--- loncom/lonnet/perl/lonnet.pm 2003/11/10 23:57:49 1.446 +++ loncom/lonnet/perl/lonnet.pm 2007/02/16 01:04:19 1.832 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.446 2003/11/10 23:57:49 albertel Exp $ +# $Id: lonnet.pm,v 1.832 2007/02/16 01:04:19 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,34 +30,92 @@ package Apache::lonnet; use strict; -use Apache::File; use LWP::UserAgent(); use HTTP::Headers; +use HTTP::Date; +# use Date::Parse; use vars -qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom - %libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache - %courselogs %accesshash %userrolehash $processmarker $dumpcount - %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseresdatacache - %userresdatacache %usectioncache %domaindescription %domain_auth_def %domain_auth_arg_def - %domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir); +qw(%perlvar %hostname %badServerCache %iphost %spareid %hostdom + %libserv %pr %prp $memcache %packagetab + %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount + %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf + %domaindescription %domain_auth_def %domain_auth_arg_def + %domain_lang_def %domain_city %domain_longi %domain_lati %domain_primary + $tmpdir $_64bit %env); use IO::Socket; use GDBM_File; -use Apache::Constants qw(:common :http); use HTML::LCParser; +use HTML::Parser; use Fcntl qw(:flock); -use Apache::loncoursedata; -use Apache::lonlocal; -use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw); -use Time::HiRes(); +use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw nfreeze); +use Time::HiRes qw( gettimeofday tv_interval ); +use Cache::Memcached; +use Digest::MD5; +use Math::Random; +use LONCAPA qw(:DEFAULT :match); +use LONCAPA::Configuration; + my $readit; +my $max_connection_retries = 10; # Or some such value. + +require Exporter; + +our @ISA = qw (Exporter); +our @EXPORT = qw(%env); + +=pod + +=head1 Package Variables + +These are largely undocumented, so if you decipher one please note it here. + +=over 4 + +=item $processmarker + +Contains the time this process was started and this servers host id. + +=item $dumpcount + +Counts the number of times a message log flush has been attempted (regardless +of success) by this process. Used as part of the filename when messages are +delayed. + +=back + +=cut + # --------------------------------------------------------------------- Logging +{ + my $logid; + sub instructor_log { + my ($hash_name,$storehash,$delflag,$uname,$udom)=@_; + $logid++; + my $id=time().'00000'.$$.'00000'.$logid; + return &Apache::lonnet::put('nohist_'.$hash_name, + { $id => { + 'exe_uname' => $env{'user.name'}, + 'exe_udom' => $env{'user.domain'}, + 'exe_time' => time(), + 'exe_ip' => $ENV{'REMOTE_ADDR'}, + 'delflag' => $delflag, + 'logentry' => $storehash, + 'uname' => $uname, + 'udom' => $udom, + } + }, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'} + ); + } +} sub logtouch { my $execdir=$perlvar{'lonDaemons'}; - unless (-e "$execdir/logs/lonnet.log") { - my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); + unless (-e "$execdir/logs/lonnet.log") { + open(my $fh,">>$execdir/logs/lonnet.log"); close $fh; } my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3]; @@ -69,8 +127,10 @@ sub logthis { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); - print $fh "$local ($$): $message\n"; + if (open(my $fh,">>$execdir/logs/lonnet.log")) { + print $fh "$local ($$): $message\n"; + close($fh); + } return 1; } @@ -79,23 +139,51 @@ sub logperm { my $execdir=$perlvar{'lonDaemons'}; my $now=time; my $local=localtime($now); - my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log"); - print $fh "$now:$message:$local\n"; + if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) { + print $fh "$now:$message:$local\n"; + close($fh); + } return 1; } # -------------------------------------------------- Non-critical communication sub subreply { my ($cmd,$server)=@_; - my $peerfile="$perlvar{'lonSockDir'}/$server"; - my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - Type => SOCK_STREAM, - Timeout => 10) - or return "con_lost"; - print $client "$cmd\n"; - my $answer=<$client>; - if (!$answer) { $answer="con_lost"; } - chomp($answer); + my $peerfile="$perlvar{'lonSockDir'}/".$hostname{$server}; + # + # With loncnew process trimming, there's a timing hole between lonc server + # process exit and the master server picking up the listen on the AF_UNIX + # socket. In that time interval, a lock file will exist: + + my $lockfile=$peerfile.".lock"; + while (-e $lockfile) { # Need to wait for the lockfile to disappear. + sleep(1); + } + # At this point, either a loncnew parent is listening or an old lonc + # or loncnew child is listening so we can connect or everything's dead. + # + # We'll give the connection a few tries before abandoning it. If + # connection is not possible, we'll con_lost back to the client. + # + my $client; + for (my $retries = 0; $retries < $max_connection_retries; $retries++) { + $client=IO::Socket::UNIX->new(Peer =>"$peerfile", + Type => SOCK_STREAM, + Timeout => 10); + if($client) { + last; # Connected! + } + sleep(1); # Try again later if failed connection. + } + my $answer; + if ($client) { + print $client "sethost:$server:$cmd\n"; + $answer=<$client>; + if (!$answer) { $answer="con_lost"; } + chomp($answer); + } else { + $answer = 'con_lost'; # Failed connection. + } return $answer; } @@ -103,24 +191,8 @@ sub reply { my ($cmd,$server)=@_; unless (defined($hostname{$server})) { return 'no_such_host'; } my $answer=subreply($cmd,$server); - if ($answer eq 'con_lost') { - #sleep 5; - #$answer=subreply($cmd,$server); - #if ($answer eq 'con_lost') { - # &logthis("Second attempt con_lost on $server"); - # my $peerfile="$perlvar{'lonSockDir'}/$server"; - # my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", - # Type => SOCK_STREAM, - # Timeout => 10) - # or return "con_lost"; - # &logthis("Killing socket"); - # print $client "close_connection_exit\n"; - #sleep 5; - # $answer=subreply($cmd,$server); - #} - } if (($answer=~/^refused/) || ($answer=~/^rejected/)) { - &logthis("WARNING:". + &logthis("WARNING:". " $cmd to $server returned $answer"); } return $answer; @@ -132,7 +204,7 @@ sub reconlonc { my $peerfile=shift; &logthis("Trying to reconnect for $peerfile"); my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; - if (my $fh=Apache::File->new("$loncfile")) { + if (open(my $fh,"<$loncfile")) { my $loncpid=<$fh>; chomp($loncpid); if (kill 0 => $loncpid) { @@ -144,14 +216,14 @@ sub reconlonc { sleep 5; if (-e "$peerfile") { return; } &logthis( - "WARNING: $peerfile still not there, giving up"); + "WARNING: $peerfile still not there, giving up"); } else { &logthis( - "WARNING:". + "WARNING:". " lonc at pid $loncpid not responding, giving up"); } } else { - &logthis('WARNING: lonc not running, giving up'); + &logthis('WARNING: lonc not running, giving up'); } } @@ -160,17 +232,14 @@ sub reconlonc { sub critical { my ($cmd,$server)=@_; unless ($hostname{$server}) { - &logthis("WARNING:". + &logthis("WARNING:". " Critical message to unknown server ($server)"); return 'no_such_host'; } my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { - my $pingreply=reply('ping',$server); &reconlonc("$perlvar{'lonSockDir'}/$server"); - my $pongreply=reply('pong',$server); - &logthis("Ping/Pong for $server: $pingreply/$pongreply"); - $answer=reply($cmd,$server); + my $answer=reply($cmd,$server); if ($answer eq 'con_lost') { my $now=time; my $middlename=$cmd; @@ -180,27 +249,29 @@ sub critical { "$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server"; $dumpcount++; { - my $dfh; - if ($dfh=Apache::File->new(">$dfilename")) { - print $dfh "$cmd\n"; - } + my $dfh; + if (open($dfh,">$dfilename")) { + print $dfh "$cmd\n"; + close($dfh); + } } sleep 2; my $wcmd=''; { - my $dfh; - if ($dfh=Apache::File->new("$dfilename")) { - $wcmd=<$dfh>; - } + my $dfh; + if (open($dfh,"<$dfilename")) { + $wcmd=<$dfh>; + close($dfh); + } } chomp($wcmd); if ($wcmd eq $cmd) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Connection buffer $dfilename: $cmd"); &logperm("D:$server:$cmd"); return 'con_delayed'; } else { - &logthis("CRITICAL:" + &logthis("CRITICAL:" ." Critical connection failed: $server $cmd"); &logperm("F:$server:$cmd"); return 'con_failed'; @@ -210,152 +281,177 @@ sub critical { return $answer; } -# -# -------------- Remove all key from the env that start witha lowercase letter -# (Which is always a lon-capa value) +# ------------------------------------------- check if return value is an error -sub cleanenv { -# unless (defined(&Apache::exists_config_define("MODPERL2"))) { return; } -# unless (&Apache::exists_config_define("MODPERL2")) { return; } - foreach my $key (keys(%ENV)) { - if ($key =~ /^[a-z]/) { - delete($ENV{$key}); - } +sub error { + my ($result) = @_; + if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) { + if ($2 == 2) { return undef; } + return $1; } + return undef; } - -# ------------------------------------------- Transfer profile into environment -sub transfer_profile_to_env { +sub convert_and_load_session_env { my ($lonidsdir,$handle)=@_; my @profile; { - my $idf=Apache::File->new("$lonidsdir/$handle.id"); + open(my $idf,"$lonidsdir/$handle.id"); flock($idf,LOCK_SH); @profile=<$idf>; - $idf->close(); + close($idf); + } + my %temp_env; + foreach my $line (@profile) { + if ($line !~ m/=/) { + return 0; + } + chomp($line); + my ($envname,$envvalue)=split(/=/,$line,2); + $temp_env{&unescape($envname)} = &unescape($envvalue); + } + unlink("$lonidsdir/$handle.id"); + if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(), + 0640)) { + %disk_env = %temp_env; + @env{keys(%temp_env)} = @disk_env{keys(%temp_env)}; + untie(%disk_env); + } + return 1; +} + +# ------------------------------------------- Transfer profile into environment +my $env_loaded; +sub transfer_profile_to_env { + my ($lonidsdir,$handle,$force_transfer) = @_; + if (!$force_transfer && $env_loaded) { return; } + + if (!defined($lonidsdir)) { + $lonidsdir = $perlvar{'lonIDsDir'}; } - my $envi; - my %Remove; - for ($envi=0;$envi<=$#profile;$envi++) { - chomp($profile[$envi]); - my ($envname,$envvalue)=split(/=/,$profile[$envi]); - $ENV{$envname} = $envvalue; + if (!defined($handle)) { + ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| ); + } + + my $convert; + { + open(my $idf,"$lonidsdir/$handle.id"); + flock($idf,LOCK_SH); + if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id", + &GDBM_READER(),0640)) { + @env{keys(%disk_env)} = @disk_env{keys(%disk_env)}; + untie(%disk_env); + } else { + $convert = 1; + } + } + if ($convert) { + if (!&convert_and_load_session_env($lonidsdir,$handle)) { + &logthis("Failed to load session, or convert session."); + } + } + + my %remove; + while ( my $envname = each(%env) ) { if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { if ($time < time-300) { - $Remove{$key}++; + $remove{$key}++; } } } - $ENV{'user.environment'} = "$lonidsdir/$handle.id"; - foreach my $expired_key (keys(%Remove)) { + + $env{'user.environment'} = "$lonidsdir/$handle.id"; + $env_loaded=1; + foreach my $expired_key (keys(%remove)) { &delenv($expired_key); } } +sub timed_flock { + my ($file,$lock_type) = @_; + my $failed=0; + eval { + local $SIG{__DIE__}='DEFAULT'; + local $SIG{ALRM}=sub { + $failed=1; + die("failed lock"); + }; + alarm(13); + flock($file,$lock_type); + alarm(0); + }; + if ($failed) { + return undef; + } else { + return 1; + } +} + # ---------------------------------------------------------- Append Environment sub appenv { my %newenv=@_; - foreach (keys %newenv) { - if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { - &logthis("WARNING: ". - "Attempt to modify environment ".$_." to ".$newenv{$_} + foreach my $key (keys(%newenv)) { + if (($newenv{$key}=~/^user\.role/) || ($newenv{$key}=~/^user\.priv/)) { + &logthis("WARNING: ". + "Attempt to modify environment ".$key." to ".$newenv{$key} .''); - delete($newenv{$_}); + delete($newenv{$key}); } else { - $ENV{$_}=$newenv{$_}; + $env{$key}=$newenv{$key}; } } - - my $lockfh; - unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error: '.$!; - } - unless (flock($lockfh,LOCK_EX)) { - &logthis("WARNING: ". - 'Could not obtain exclusive lock in appenv: '.$!); - $lockfh->close(); - return 'error: '.$!; - } - - my @oldenv; - { - my $fh; - unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error: '.$!; - } - @oldenv=<$fh>; - $fh->close(); - } - for (my $i=0; $i<=$#oldenv; $i++) { - chomp($oldenv[$i]); - if ($oldenv[$i] ne '') { - my ($name,$value)=split(/=/,$oldenv[$i]); - unless (defined($newenv{$name})) { - $newenv{$name}=$value; - } - } - } - { - my $fh; - unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { - return 'error'; - } - my $newname; - foreach $newname (keys %newenv) { - print $fh "$newname=$newenv{$newname}\n"; - } - $fh->close(); + open(my $env_file,$env{'user.environment'}); + if (&timed_flock($env_file,LOCK_EX) + && + tie(my %disk_env,'GDBM_File',$env{'user.environment'}, + (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { + while (my ($key,$value) = each(%newenv)) { + $disk_env{$key} = $value; + } + untie(%disk_env); } - - $lockfh->close(); return 'ok'; } # ----------------------------------------------------- Delete from Environment sub delenv { my $delthis=shift; - my %newenv=(); if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Attempt to delete from environment ".$delthis); return 'error'; } - my @oldenv; - { - my $fh; - unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { - return 'error'; - } - unless (flock($fh,LOCK_SH)) { - &logthis("WARNING: ". - 'Could not obtain shared lock in delenv: '.$!); - $fh->close(); - return 'error: '.$!; - } - @oldenv=<$fh>; - $fh->close(); - } - { - my $fh; - unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { - return 'error'; - } - unless (flock($fh,LOCK_EX)) { - &logthis("WARNING: ". - 'Could not obtain exclusive lock in delenv: '.$!); - $fh->close(); - return 'error: '.$!; - } - foreach (@oldenv) { - unless ($_=~/^$delthis/) { print $fh $_; } - } - $fh->close(); + open(my $env_file,$env{'user.environment'}); + if (&timed_flock($env_file,LOCK_EX) + && + tie(my %disk_env,'GDBM_File',$env{'user.environment'}, + (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { + foreach my $key (keys(%disk_env)) { + if ($key=~/^$delthis/) { + delete($env{$key}); + delete($disk_env{$key}); + } + } + untie(%disk_env); } return 'ok'; } +sub get_env_multiple { + my ($name) = @_; + my @values; + if (defined($env{$name})) { + # exists is it an array + if (ref($env{$name})) { + @values=@{ $env{$name} }; + } else { + $values[0]=$env{$name}; + } + } + return(@values); +} + # ------------------------------------------ Find out current server userload # there is a copy in lond sub userload { @@ -387,10 +483,11 @@ sub overloaderror { unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } my $loadavg; if ($checkserver eq $perlvar{'lonHostID'}) { - my $loadfile=Apache::File->new('/proc/loadavg'); + open(my $loadfile,'/proc/loadavg'); $loadavg=<$loadfile>; $loadavg =~ s/\s.*//g; $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; + close($loadfile); } else { $loadavg=&reply('load',$checkserver); } @@ -406,45 +503,68 @@ sub overloaderror { # ------------------------------ Find server with least workload from spare.tab sub spareserver { - my ($loadpercent,$userloadpercent) = @_; - my $tryserver; - my $spareserver=''; + my ($loadpercent,$userloadpercent,$want_server_name) = @_; + my $spare_server; if ($userloadpercent !~ /\d/) { $userloadpercent=0; } - my $lowestserver=$loadpercent > $userloadpercent? - $loadpercent : $userloadpercent; - foreach $tryserver (keys %spareid) { - my $loadans=reply('load',$tryserver); - my $userloadans=reply('userload',$tryserver); - if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - next; #didn't get a number from the server - } - my $answer; - if ($loadans =~ /\d/) { - if ($userloadans =~ /\d/) { - #both are numbers, pick the bigger one - $answer=$loadans > $userloadans? - $loadans : $userloadans; - } else { - $answer = $loadans; - } - } else { - $answer = $userloadans; - } - if (($answer =~ /\d/) && ($answer<$lowestserver)) { - $spareserver="http://$hostname{$tryserver}"; - $lowestserver=$answer; + my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent + : $userloadpercent; + + foreach my $try_server (@{ $spareid{'primary'} }) { + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + + my $found_server = ($spare_server ne '' && $lowest_load < 100); + + if (!$found_server) { + foreach my $try_server (@{ $spareid{'default'} }) { + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); } } - return $spareserver; + + if (!$want_server_name) { + $spare_server="http://$hostname{$spare_server}"; + } + return $spare_server; } +sub compare_server_load { + my ($try_server, $spare_server, $lowest_load) = @_; + + my $loadans = &reply('load', $try_server); + my $userloadans = &reply('userload',$try_server); + + if ($loadans !~ /\d/ && $userloadans !~ /\d/) { + next; #didn't get a number from the server + } + + my $load; + if ($loadans =~ /\d/) { + if ($userloadans =~ /\d/) { + #both are numbers, pick the bigger one + $load = ($loadans > $userloadans) ? $loadans + : $userloadans; + } else { + $load = $loadans; + } + } else { + $load = $userloadans; + } + + if (($load =~ /\d/) && ($load < $lowest_load)) { + $spare_server = $try_server; + $lowest_load = $load; + } + return ($spare_server,$lowest_load); +} # --------------------------------------------- Try to change a user's password sub changepass { - my ($uname,$udom,$currentpass,$newpass,$server)=@_; + my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_; $currentpass = &escape($currentpass); $newpass = &escape($newpass); - my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass", + my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context", $server); if (! $answer) { &logthis("No reply on password change request to $server ". @@ -477,89 +597,50 @@ sub changepass { sub queryauthenticate { my ($uname,$udom)=@_; - if (($perlvar{'lonRole'} eq 'library') && - ($udom eq $perlvar{'lonDefDomain'})) { - my $answer=reply("encrypt:currentauth:$udom:$uname", - $perlvar{'lonHostID'}); - unless ($answer eq 'unknown_user' or $answer eq 'refused') { - if (length($answer)) { - return $answer; - } - else { - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; - } - } - } - - my $tryserver; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply("encrypt:currentauth:$udom:$uname",$tryserver); - unless ($answer eq 'unknown_user' or $answer eq 'refused') { - if (length($answer)) { - return $answer; - } - else { - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; - } - } - } + my $uhome=&homeserver($uname,$udom); + if (!$uhome) { + &logthis("User $uname at $udom is unknown when looking for authentication mechanism"); + return 'no_host'; + } + my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome); + if ($answer =~ /^(unknown_user|refused|con_lost)/) { + &logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); } - &logthis("User $uname at $udom lacks an authentication mechanism"); - return 'no_host'; + return $answer; } # --------- Try to authenticate user from domain's lib servers (first this one) sub authenticate { my ($uname,$upass,$udom)=@_; - $upass=escape($upass); - $uname=~s/\W//g; - if (($perlvar{'lonRole'} eq 'library') && - ($udom eq $perlvar{'lonDefDomain'})) { - my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); - if ($answer =~ /authorized/) { - if ($answer eq 'authorized') { - &logthis("User $uname at $udom authorized by local server"); - return $perlvar{'lonHostID'}; - } - if ($answer eq 'non_authorized') { - &logthis("User $uname at $udom rejected by local server"); - return 'no_host'; - } - } - } - - my $tryserver; - foreach $tryserver (keys %libserv) { - if ($hostdom{$tryserver} eq $udom) { - my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver); - if ($answer =~ /authorized/) { - if ($answer eq 'authorized') { - &logthis("User $uname at $udom authorized by $tryserver"); - return $tryserver; - } - if ($answer eq 'non_authorized') { - &logthis("User $uname at $udom rejected by $tryserver"); - return 'no_host'; - } - } - } + $upass=&escape($upass); + $uname= &LONCAPA::clean_username($uname); + my $uhome=&homeserver($uname,$udom); + if (!$uhome) { + &logthis("User $uname at $udom is unknown in authenticate"); + return 'no_host'; + } + my $answer=reply("encrypt:auth:$udom:$uname:$upass",$uhome); + if ($answer eq 'authorized') { + &logthis("User $uname at $udom authorized by $uhome"); + return $uhome; + } + if ($answer eq 'non_authorized') { + &logthis("User $uname at $udom rejected by $uhome"); + return 'no_host'; } - &logthis("User $uname at $udom could not be authenticated"); + &logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); return 'no_host'; } # ---------------------- Find the homebase for a user from domain's lib servers +my %homecache; sub homeserver { my ($uname,$udom,$ignoreBadCache)=@_; my $index="$uname:$udom"; - my ($result,$cached)=&is_cached(\%homecache,$index,'home',86400); - if (defined($cached)) { return $result; } + if (exists($homecache{$index})) { return $homecache{$index}; } my $tryserver; foreach $tryserver (keys %libserv) { next if ($ignoreBadCache ne 'true' && @@ -567,7 +648,7 @@ sub homeserver { if ($hostdom{$tryserver} eq $udom) { my $answer=reply("home:$udom:$uname",$tryserver); if ($answer eq 'found') { - return &do_cache(\%homecache,$index,$tryserver,'home'); + return $homecache{$index}=$tryserver; } elsif ($answer eq 'no_host') { $badServerCache{$tryserver}=1; } @@ -608,8 +689,8 @@ sub idget { sub idrget { my ($udom,@unames)=@_; my %returnhash=(); - foreach (@unames) { - $returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; + foreach my $uname (@unames) { + $returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1]; } return %returnhash; } @@ -619,22 +700,69 @@ sub idrget { sub idput { my ($udom,%ids)=@_; my %servers=(); - foreach (keys %ids) { - my $uhom=&homeserver($_,$udom); + foreach my $uname (keys(%ids)) { + &cput('environment',{'id'=>$ids{$uname}},$udom,$uname); + my $uhom=&homeserver($uname,$udom); if ($uhom ne 'no_host') { - my $id=&escape($ids{$_}); + my $id=&escape($ids{$uname}); $id=~tr/A-Z/a-z/; - my $unam=&escape($_); + my $esc_unam=&escape($uname); if ($servers{$uhom}) { - $servers{$uhom}.='&'.$id.'='.$unam; + $servers{$uhom}.='&'.$id.'='.$esc_unam; } else { - $servers{$uhom}=$id.'='.$unam; + $servers{$uhom}=$id.'='.$esc_unam; } - &critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); } } - foreach (keys %servers) { - &critical('idput:'.$udom.':'.$servers{$_},$_); + foreach my $server (keys(%servers)) { + &critical('idput:'.$udom.':'.$servers{$server},$server); + } +} + +# ------------------------------------------- get items from domain db files + +sub get_dom { + my ($namespace,$storearr,$udom)=@_; + my $items=''; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; + } + $items=~s/\&$//; + if (!$udom) { $udom=$env{'user.domain'}; } + if (exists($domain_primary{$udom})) { + my $uhome=$domain_primary{$udom}; + my $rep=&reply("getdom:$udom:$namespace:$items",$uhome); + my @pairs=split(/\&/,$rep); + if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { + return @pairs; + } + my %returnhash=(); + my $i=0; + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); + $i++; + } + return %returnhash; + } else { + &logthis("get_dom failed - no primary domain server for $udom"); + } +} + +# -------------------------------------------- put items in domain db files + +sub put_dom { + my ($namespace,$storehash,$udom)=@_; + if (!$udom) { $udom=$env{'user.domain'}; } + if (exists($domain_primary{$udom})) { + my $uhome=$domain_primary{$udom}; + my $items=''; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; + } + $items=~s/\&$//; + return &reply("putdom:$udom:$namespace:$items",$uhome); + } else { + &logthis("put_dom failed - no primary domain server for $udom"); } } @@ -645,24 +773,28 @@ sub assign_access_key { # a valid key looks like uname:udom#comments # comments are being appended # - my ($ckey,$cdom,$cnum,$udom,$uname,$logentry)=@_; + my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_; + $kdom= + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom)); + $knum= + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum)); $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); - $udom=$ENV{'user.name'} unless (defined($udom)); - $uname=$ENV{'user.domain'} unless (defined($uname)); - my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); + $udom=$env{'user.name'} unless (defined($udom)); + $uname=$env{'user.domain'} unless (defined($uname)); + my %existing=&get('accesskeys',[$ckey],$kdom,$knum); if (($existing{$ckey}=~/^\#(.*)$/) || # - new key - ($existing{$ckey}=~/^$uname\:$udom\#(.*)$/)) { + ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) { # assigned to this person # - this should not happen, # unless something went wrong # the first time around # ready to assign $logentry=$1.'; '.$logentry; - if (&put('accesskey',{$ckey=>$uname.':'.$udom.'#'.$logentry}, - $cdom,$cnum) eq 'ok') { + if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry}, + $kdom,$knum) eq 'ok') { # key now belongs to user my $envkey='key.'.$cdom.'_'.$cnum; if (&put('environment',{$envkey => $ckey}) eq 'ok') { @@ -693,9 +825,9 @@ sub comment_access_key { # my ($ckey,$cdom,$cnum,$logentry)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); if ($existing{$ckey}) { $existing{$ckey}.='; '.$logentry; @@ -717,9 +849,9 @@ sub comment_access_key { sub generate_access_keys { my ($number,$cdom,$cnum,$logentry)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); unless (&allowed('mky',$cdom)) { return 0; } unless (($cdom) && ($cnum)) { return 0; } if ($number>10000) { return 0; } @@ -738,14 +870,14 @@ sub generate_access_keys { } else { if (&put('accesskeys', { $newkey => '# generated '.localtime(). - ' by '.$ENV{'user.name'}.'@'.$ENV{'user.domain'}. + ' by '.$env{'user.name'}.'@'.$env{'user.domain'}. '; '.$logentry }, $cdom,$cnum) eq 'ok') { $total++; } } } - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, 'Generated '.$total.' keys for '.$cnum.' at '.$cdom); return $total; } @@ -755,21 +887,49 @@ sub generate_access_keys { sub validate_access_key { my ($ckey,$cdom,$cnum,$udom,$uname)=@_; $cdom= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); + $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom)); $cnum= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); - $udom=$ENV{'user.name'} unless (defined($udom)); - $uname=$ENV{'user.domain'} unless (defined($uname)); + $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum)); + $udom=$env{'user.domain'} unless (defined($udom)); + $uname=$env{'user.name'} unless (defined($uname)); my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); - return ($existing{$ckey}=~/^$uname\:$udom\#/); + return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/); } # ------------------------------------- Find the section of student in a course +sub devalidate_getsection_cache { + my ($udom,$unam,$courseid)=@_; + my $hashid="$udom:$unam:$courseid"; + &devalidate_cache_new('getsection',$hashid); +} + +sub courseid_to_courseurl { + my ($courseid) = @_; + #already url style courseid + return $courseid if ($courseid =~ m{^/}); + + if (exists($env{'course.'.$courseid.'.num'})) { + my $cnum = $env{'course.'.$courseid.'.num'}; + my $cdom = $env{'course.'.$courseid.'.domain'}; + return "/$cdom/$cnum"; + } + + my %courseinfo=&Apache::lonnet::coursedescription($courseid); + if (exists($courseinfo{'num'})) { + return "/$courseinfo{'domain'}/$courseinfo{'num'}"; + } + + return undef; +} sub getsection { my ($udom,$unam,$courseid)=@_; - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; + my $cachetime=1800; + + my $hashid="$udom:$unam:$courseid"; + my ($result,$cached)=&is_cached_new('getsection',$hashid); + if (defined($cached)) { return $result; } + my %Pending; my %Expired; # @@ -785,203 +945,127 @@ sub getsection { # If there is more than one expired role, choose the one which ended last. # If there is a role which has expired, return it. # - foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', - &homeserver($unam,$udom)))) { - my ($key,$value)=split(/\=/,$_); - $key=&unescape($key); - next if ($key !~/^$courseid(?:\/)*(\w+)*\_st$/); + $courseid = &courseid_to_courseurl($courseid); + my %roleshash = &dump('roles',$udom,$unam,$courseid); + foreach my $key (keys(%roleshash)) { + next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/); my $section=$1; if ($key eq $courseid.'_st') { $section=''; } - my ($dummy,$end,$start)=split(/\_/,&unescape($value)); + my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key})); my $now=time; - if (defined($end) && ($now > $end)) { + if (defined($end) && $end && ($now > $end)) { $Expired{$end}=$section; next; } - if (defined($start) && ($now < $start)) { + if (defined($start) && $start && ($now < $start)) { $Pending{$start}=$section; next; } - return $section; + return &do_cache_new('getsection',$hashid,$section,$cachetime); } # # Presumedly there will be few matching roles from the above # loop and the sorting time will be negligible. if (scalar(keys(%Pending))) { my ($time) = sort {$a <=> $b} keys(%Pending); - return $Pending{$time}; + return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime); } if (scalar(keys(%Expired))) { my @sorted = sort {$a <=> $b} keys(%Expired); my $time = pop(@sorted); - return $Expired{$time}; + return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime); } - return '-1'; + return &do_cache_new('getsection',$hashid,'-1',$cachetime); } -sub devalidate_cache { - my ($cache,$id,$name) = @_; - delete $$cache{$id.'.time'}; - delete $$cache{$id}; - my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_EX); - my %hash; - if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { - eval <<'EVALBLOCK'; - delete($hash{$id}); - delete($hash{$id.'.time'}); -EVALBLOCK - if ($@) { - &logthis("devalidate_cache blew up :$@:$name"); - unlink($filename); - } - } else { - if (-e $filename) { - &logthis("Unable to tie hash (devalidate cache): $name"); - unlink($filename); - } - } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -} - -sub is_cached { - my ($cache,$id,$name,$time) = @_; - if (!$time) { $time=300; } - if (!exists($$cache{$id.'.time'})) { - &load_cache_item($cache,$name,$id); - } - if (!exists($$cache{$id.'.time'})) { -# &logthis("Didn't find $id"); +sub save_cache { + &purge_remembered(); + #&Apache::loncommon::validate_page(); + undef(%env); + undef($env_loaded); +} + +my $to_remember=-1; +my %remembered; +my %accessed; +my $kicks=0; +my $hits=0; +sub devalidate_cache_new { + my ($name,$id,$debug) = @_; + if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); } + $id=&escape($name.':'.$id); + $memcache->delete($id); + delete($remembered{$id}); + delete($accessed{$id}); +} + +sub is_cached_new { + my ($name,$id,$debug) = @_; + $id=&escape($name.':'.$id); + if (exists($remembered{$id})) { + if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); } + $accessed{$id}=[&gettimeofday()]; + $hits++; + return ($remembered{$id},1); + } + my $value = $memcache->get($id); + if (!(defined($value))) { + if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); } return (undef,undef); - } else { - if (time-($$cache{$id.'.time'})>$time) { -# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); - &devalidate_cache($cache,$id,$name); - return (undef,undef); - } } - return ($$cache{$id},1); -} - -sub do_cache { - my ($cache,$id,$value,$name) = @_; - $$cache{$id.'.time'}=time; - $$cache{$id}=$value; -# &logthis("Caching $id as :$value:"); - &save_cache_item($cache,$name,$id); - # do_cache implictly return the set value - $$cache{$id}; -} - -sub save_cache_item { - my ($cache,$name,$id)=@_; - my $starttime=&Time::HiRes::time(); -# &logthis("Saving :$name:$id"); - my %hash; - my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_EX); - if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { - eval <<'EVALBLOCK'; - $hash{$id.'.time'}=$$cache{$id.'.time'}; - $hash{$id}=freeze({'item'=>$$cache{$id}}); -EVALBLOCK - if ($@) { - &logthis("save_cache blew up :$@:$name"); - unlink($filename); - } - } else { - if (-e $filename) { - &logthis("Unable to tie hash (save cache item): $name ($!)"); - unlink($filename); - } - } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -# &logthis("save_cache_item $name took ".(&Time::HiRes::time()-$starttime)); -} - -sub load_cache_item { - my ($cache,$name,$id)=@_; - my $starttime=&Time::HiRes::time(); -# &logthis("Before Loading $name for $id size is ".scalar(%$cache)); - my %hash; - my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; - open(DB,"$filename.lock"); - flock(DB,LOCK_SH); - if (tie(%hash,'GDBM_File',$filename,&GDBM_READER(),0640)) { - eval <<'EVALBLOCK'; - if (!%$cache) { - my $count; - while (my ($key,$value)=each(%hash)) { - $count++; - if ($key =~ /\.time$/) { - $$cache{$key}=$value; - } else { - my $hashref=thaw($value); - $$cache{$key}=$hashref->{'item'}; - } - } -# &logthis("Initial load: $count"); - } else { - my $hashref=thaw($hash{$id}); - $$cache{$id}=$hashref->{'item'}; - $$cache{$id.'.time'}=$hash{$id.'.time'}; - } -EVALBLOCK - if ($@) { - &logthis("load_cache blew up :$@:$name"); - unlink($filename); - } - } else { - if (-e $filename) { - &logthis("Unable to tie hash (load cache item): $name ($!)"); - unlink($filename); + if ($value eq '__undef__') { + if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); } + $value=undef; + } + &make_room($id,$value,$debug); + if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); } + return ($value,1); +} + +sub do_cache_new { + my ($name,$id,$value,$time,$debug) = @_; + $id=&escape($name.':'.$id); + my $setvalue=$value; + if (!defined($setvalue)) { + $setvalue='__undef__'; + } + if (!defined($time) ) { + $time=600; + } + if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); } + $memcache->set($id,$setvalue,$time); + # need to make a copy of $value + #&make_room($id,$value,$debug); + return $value; +} + +sub make_room { + my ($id,$value,$debug)=@_; + $remembered{$id}=$value; + if ($to_remember<0) { return; } + $accessed{$id}=[&gettimeofday()]; + if (scalar(keys(%remembered)) <= $to_remember) { return; } + my $to_kick; + my $max_time=0; + foreach my $other (keys(%accessed)) { + if (&tv_interval($accessed{$other}) > $max_time) { + $to_kick=$other; + $max_time=&tv_interval($accessed{$other}); } } - untie(%hash); - flock(DB,LOCK_UN); - close(DB); -# &logthis("After Loading $name size is ".scalar(%$cache)); -# &logthis("load_cache_item $name took ".(&Time::HiRes::time()-$starttime)); + delete($remembered{$to_kick}); + delete($accessed{$to_kick}); + $kicks++; + if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); } + return; } -sub usection { - my ($udom,$unam,$courseid)=@_; - my $hashid="$udom:$unam:$courseid"; - - my ($result,$cached)=&is_cached(\%usectioncache,$hashid,'usection'); - if (defined($cached)) { return $result; } - $courseid=~s/\_/\//g; - $courseid=~s/^(\w)/\/$1/; - foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', - &homeserver($unam,$udom)))) { - my ($key,$value)=split(/\=/,$_); - $key=&unescape($key); - if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { - my $section=$1; - if ($key eq $courseid.'_st') { $section=''; } - my ($dummy,$end,$start)=split(/\_/,&unescape($value)); - my $now=time; - my $notactive=0; - if ($start) { - if ($now<$start) { $notactive=1; } - } - if ($end) { - if ($now>$end) { $notactive=1; } - } - unless ($notactive) { - return &do_cache(\%usectioncache,$hashid,$section,'usection'); - } - } - } - return &do_cache(\%usectioncache,$hashid,'-1','usection'); +sub purge_remembered { + #&logthis("Tossing ".scalar(keys(%remembered))); + #&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered)))); + undef(%remembered); + undef(%accessed); } - # ------------------------------------- Read an entry from a user's environment sub userenvironment { @@ -997,16 +1081,66 @@ sub userenvironment { return %returnhash; } +# ---------------------------------------------------------- Get a studentphoto +sub studentphoto { + my ($udom,$unam,$ext) = @_; + my $home=&Apache::lonnet::homeserver($unam,$udom); + if (defined($env{'request.course.id'})) { + if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) { + if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } else { + my ($result,$perm_reqd)= + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + } + } else { + my ($result,$perm_reqd) = + &Apache::lonnet::auto_photo_permission($unam,$udom); + if ($result eq 'ok') { + if (!($perm_reqd eq 'yes')) { + return(&retrievestudentphoto($udom,$unam,$ext)); + } + } + } + return '/adm/lonKaputt/lonlogo_broken.gif'; +} + +sub retrievestudentphoto { + my ($udom,$unam,$ext,$type) = @_; + my $home=&Apache::lonnet::homeserver($unam,$udom); + my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home); + if ($ret eq 'ok') { + my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext"; + if ($type eq 'thumbnail') { + $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext"; + } + my $tokenurl=&Apache::lonnet::tokenwrapper($url); + return $tokenurl; + } else { + if ($type eq 'thumbnail') { + return '/adm/lonKaputt/genericstudent_tn.gif'; + } else { + return '/adm/lonKaputt/lonlogo_broken.gif'; + } + } +} + # -------------------------------------------------------------------- New chat sub chatsend { - my ($newentry,$anon)=@_; - my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + my ($newentry,$anon,$group)=@_; + my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $chome=$env{'course.'.$env{'request.course.id'}.'.home'}; &reply('chatsend:'.$cdom.':'.$cnum.':'. - &escape($ENV{'user.domain'}.':'.$ENV{'user.name'}.':'.$anon.':'. - &escape($newentry)),$chome); + &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'. + &escape($newentry)).':'.$group,$chome); } # ------------------------------------------ Find current version of a resource @@ -1019,7 +1153,7 @@ sub getversion { sub currentversion { my $fname=shift; - my ($result,$cached)=&is_cached(\%resversioncache,$fname,'resversion',600); + my ($result,$cached)=&is_cached_new('resversion',$fname); if (defined($cached)) { return $result; } my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; @@ -1032,7 +1166,7 @@ sub currentversion { if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return &do_cache(\%resversioncache,$fname,$answer,'resversion'); + return &do_cache_new('resversion',$fname,$answer,600); } # ----------------------------- Subscribe to a resource, return URL if possible @@ -1040,6 +1174,7 @@ sub currentversion { sub subscribe { my $fname=shift; if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; } + $fname=~s/[\n\r]//g; my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); @@ -1059,21 +1194,28 @@ sub subscribe { sub repcopy { my $filename=shift; $filename=~s/\/+/\//g; - if ($filename=~/^\/home\/httpd\/html\/adm\//) { return OK; } + if ($filename=~m|^/home/httpd/html/adm/|) { return 'ok'; } + if ($filename=~m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + if ($filename=~m|^/home/httpd/html/userfiles/| or + $filename=~m -^/*(uploaded|editupload)/-) { + return &repcopy_userfile($filename); + } + $filename=~s/[\n\r]//g; my $transname="$filename.in.transfer"; - if ((-e $filename) || (-e $transname)) { return OK; } +# FIXME: this should flock + if ((-e $filename) || (-e $transname)) { return 'ok'; } my $remoteurl=subscribe($filename); if ($remoteurl =~ /^con_lost by/) { &logthis("Subscribe returned $remoteurl: $filename"); - return HTTP_SERVICE_UNAVAILABLE; + return 'unavailable'; } elsif ($remoteurl eq 'not_found') { #&logthis("Subscribe returned not_found: $filename"); - return HTTP_NOT_FOUND; + return 'not_found'; } elsif ($remoteurl =~ /^rejected by/) { &logthis("Subscribe returned $remoteurl: $filename"); - return FORBIDDEN; + return 'forbidden'; } elsif ($remoteurl eq 'directory') { - return OK; + return 'ok'; } else { my $author=$filename; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; @@ -1084,7 +1226,7 @@ sub repcopy { my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; if ($path ne "$perlvar{'lonDocRoot'}/res") { &logthis("Malconfiguration for replication: $filename"); - return HTTP_BAD_REQUEST; + return 'bad_request'; } my $count; for ($count=5;$count<$#parts;$count++) { @@ -1099,9 +1241,9 @@ sub repcopy { if ($response->is_error()) { unlink($transname); my $message=$response->status_line; - &logthis("WARNING:" + &logthis("WARNING:" ." LWP get: $message: $filename"); - return HTTP_SERVICE_UNAVAILABLE; + return 'unavailable'; } else { if ($remoteurl!~/\.meta$/) { my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); @@ -1109,11 +1251,11 @@ sub repcopy { if ($mresponse->is_error()) { unlink($filename.'.meta'); &logthis( - "INFO: No metadata: $filename"); + "INFO: No metadata: $filename"); } } rename($transname,$filename); - return OK; + return 'ok'; } } } @@ -1122,17 +1264,28 @@ sub repcopy { # ------------------------------------------------ Get server side include body sub ssi_body { my ($filelink,%form)=@_; + if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) { + $form{'LONCAPA_INTERNAL_no_discussion'}='true'; + } my $output=($filelink=~/^http\:/?&externalssi($filelink): &ssi($filelink,%form)); - $output=~s/^.*\]*\>//si; - $output=~s/\<\/body\s*\>.*$//si; - $output=~ - s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; + $output=~s|//(\s*)?\s||gs; + $output=~s/^.*?\]*\>//si; + $output=~s/(.*)\<\/body\s*\>.*?$/$1/si; return $output; } # --------------------------------------------------------- Server Side Include +sub absolute_url { + my ($host_name) = @_; + my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://'); + if ($host_name eq '') { + $host_name = $ENV{'SERVER_NAME'}; + } + return $protocol.$host_name; +} + sub ssi { my ($fn,%form)=@_; @@ -1140,12 +1293,14 @@ sub ssi { my $ua=new LWP::UserAgent; my $request; - + + $form{'no_update_last_known'}=1; + if (%form) { - $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); + $request=new HTTP::Request('POST',&absolute_url().$fn); $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); } else { - $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); + $request=new HTTP::Request('GET',&absolute_url().$fn); } $request->header(Cookie => $ENV{'HTTP_COOKIE'}); @@ -1162,63 +1317,252 @@ sub externalssi { return $response->content; } -# ------- Add a token to a remote URI's query string to vouch for access rights +# -------------------------------- Allow a /uploaded/ URI to be vouched for -sub tokenwrapper { - my $uri=shift; - $uri=~s/^http\:\/\/([^\/]+)//; - $uri=~s/^\///; - $ENV{'user.environment'}=~/\/([^\/]+)\.id/; - my $token=$1; - if ($uri=~/^uploaded\/([^\/]+)\/([^\/]+)\/([^\/]+)(\?\.*)*$/) { - &appenv('userfile.'.$1.'/'.$2.'/'.$3 => $ENV{'request.course.id'}); - return 'http://'.$hostname{ &homeserver($2,$1)}.'/'.$uri. - (($uri=~/\?/)?'&':'?').'token='.$token. - '&tokenissued='.$perlvar{'lonHostID'}; +sub allowuploaded { + my ($srcurl,$url)=@_; + $url=&clutter(&declutter($url)); + my $dir=$url; + $dir=~s/\/[^\/]+$//; + my %httpref=(); + my $httpurl=&hreflocation('',$url); + $httpref{'httpref.'.$httpurl}=$srcurl; + &Apache::lonnet::appenv(%httpref); +} + +# --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course +# input: action, courseID, current domain, intended +# path to file, source of file, instruction to parse file for objects, +# ref to hash for embedded objects, +# ref to hash for codebase of java objects. +# +# output: url to file (if action was uploaddoc), +# ok if successful, or diagnostic message otherwise (if action was propagate or copy) +# +# Allows directory structure to be used within lonUsers/../userfiles/ for a +# course. +# +# action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in +# course's home server. +# +# action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will +# be copied from $source (current location) to +# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# and will then be copied to +# /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in +# course's home server. +# +# action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# will be retrived from $env{form.uploaddoc} (from DOCS interface) to +# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file +# and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file +# in course's home server. +# + +sub process_coursefile { + my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase)=@_; + my $fetchresult; + my $home=&homeserver($docuname,$docudom); + if ($action eq 'propagate') { + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); } else { - return '/adm/notfound.html'; + my $fpath = ''; + my $fname = $file; + ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); + $fpath=$docudom.'/'.$docuname.'/'.$fpath; + my $filepath = &build_filepath($fpath); + if ($action eq 'copy') { + if ($source eq '') { + $fetchresult = 'no source file'; + return $fetchresult; + } else { + my $destination = $filepath.'/'.$fname; + rename($source,$destination); + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + } + } elsif ($action eq 'uploaddoc') { + open(my $fh,'>'.$filepath.'/'.$fname); + print $fh $env{'form.'.$source}; + close($fh); + if ($parser eq 'parse') { + my $parse_result = &extract_embedded_items($filepath,$fname,$allfiles,$codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); + } + } + $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + if ($fetchresult eq 'ok') { + return '/uploaded/'.$fpath.'/'.$fname; + } else { + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$fetchresult); + return '/adm/notfound.html'; + } + } + } + unless ( $fetchresult eq 'ok') { + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$fetchresult); + } + return $fetchresult; +} + +sub build_filepath { + my ($fpath) = @_; + my $filepath=$perlvar{'lonDocRoot'}.'/userfiles'; + unless ($fpath eq '') { + my @parts=split('/',$fpath); + foreach my $part (@parts) { + $filepath.= '/'.$part; + if ((-e $filepath)!=1) { + mkdir($filepath,0777); + } + } } + return $filepath; } - -# --------------- Take an uploaded file and put it into the userfiles directory -# input: name of form element, coursedoc=1 means this is for the course -# output: url of file in userspace -sub userfileupload { - my ($formname,$coursedoc)=@_; - my $fname=$ENV{'form.'.$formname.'.filename'}; +sub store_edited_file { + my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_; + my $file = $primary_url; + $file =~ s#^/uploaded/$docudom/$docuname/##; + my $fpath = ''; + my $fname = $file; + ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); + $fpath=$docudom.'/'.$docuname.'/'.$fpath; + my $filepath = &build_filepath($fpath); + open(my $fh,'>'.$filepath.'/'.$fname); + print $fh $content; + close($fh); + my $home=&homeserver($docuname,$docudom); + $$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, + $home); + if ($$fetchresult eq 'ok') { + return '/uploaded/'.$fpath.'/'.$fname; + } else { + &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. + ' to host '.$home.': '.$$fetchresult); + return '/adm/notfound.html'; + } +} + +sub clean_filename { + my ($fname,$args)=@_; # Replace Windows backslashes by forward slashes $fname=~s/\\/\//g; -# Get rid of everything but the actual filename - $fname=~s/^.*\/([^\/]+)$/$1/; + if (!$args->{'keep_path'}) { + # Get rid of everything but the actual filename + $fname=~s/^.*\/([^\/]+)$/$1/; + } # Replace spaces by underscores $fname=~s/\s+/\_/g; # Replace all other weird characters by nothing - $fname=~s/[^\w\.\-]//g; + $fname=~s{[^/\w\.\-]}{}g; +# Replace all .\d. sequences with _\d. so they no longer look like version +# numbers + $fname=~s/\.(\d+)(?=\.)/_$1/g; + return $fname; +} + +# --------------- Take an uploaded file and put it into the userfiles directory +# input: $formname - the contents of the file are in $env{"form.$formname"} +# the desired filenam is in $env{"form.$formname.filename"} +# $coursedoc - if true up to the current course +# if false +# $subdir - directory in userfile to store the file into +# $parser, $allfiles, $codebase - unknown +# +# output: url of file in userspace, or error: +# or /adm/notfound.html if failure to upload occurse + + +sub userfileupload { + my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_; + if (!defined($subdir)) { $subdir='unknown'; } + my $fname=$env{'form.'.$formname.'.filename'}; + $fname=&clean_filename($fname); # See if there is anything left unless ($fname) { return 'error: no uploaded file'; } - chop($ENV{'form.'.$formname}); + chop($env{'form.'.$formname}); + if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently + my $now = time; + my $filepath = 'tmp/helprequests/'.$now; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $env{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; + } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { #files uploaded to create course page are handled differently + my $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}. + '_'.$env{'user.domain'}.'/pending'; + my @parts=split(/\//,$filepath); + my $fullpath = $perlvar{'lonDaemons'}; + for (my $i=0;$i<@parts;$i++) { + $fullpath .= '/'.$parts[$i]; + if ((-e $fullpath)!=1) { + mkdir($fullpath,0777); + } + } + open(my $fh,'>'.$fullpath.'/'.$fname); + print $fh $env{'form.'.$formname}; + close($fh); + return $fullpath.'/'.$fname; + } + # Create the directory if not present - my $docuname=''; - my $docudom=''; - my $docuhome=''; + $fname="$subdir/$fname"; if ($coursedoc) { - $docuname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - $docudom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - $docuhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; - } else { - $docuname=$ENV{'user.name'}; - $docudom=$ENV{'user.domain'}; - $docuhome=$ENV{'user.home'}; + my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + if ($env{'form.folder'} =~ m/^(default|supplemental)/) { + return &finishuserfileupload($docuname,$docudom, + $formname,$fname,$parser,$allfiles, + $codebase); + } else { + $fname=$env{'form.folder'}.'/'.$fname; + return &process_coursefile('uploaddoc',$docuname,$docudom, + $fname,$formname,$parser, + $allfiles,$codebase); + } + } elsif (defined($destuname)) { + my $docuname=$destuname; + my $docudom=$destudom; + return &finishuserfileupload($docuname,$docudom,$formname, + $fname,$parser,$allfiles,$codebase); + + } else { + my $docuname=$env{'user.name'}; + my $docudom=$env{'user.domain'}; + if (exists($env{'form.group'})) { + $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + } + return &finishuserfileupload($docuname,$docudom,$formname, + $fname,$parser,$allfiles,$codebase); } - return - &finishuserfileupload($docuname,$docudom,$docuhome,$formname,$fname); } sub finishuserfileupload { - my ($docuname,$docudom,$docuhome,$formname,$fname)=@_; + my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase) = @_; my $path=$docudom.'/'.$docuname.'/'; my $filepath=$perlvar{'lonDocRoot'}; + my ($fnamepath,$file); + $file=$fname; + if ($fname=~m|/|) { + ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|); + $path.=$fnamepath.'/'; + } my @parts=split(/\//,$filepath.'/userfiles/'.$path); my $count; for ($count=4;$count<=$#parts;$count++) { @@ -1229,25 +1573,202 @@ sub finishuserfileupload { } # Save the file { - my $fh=Apache::File->new('>'.$filepath.'/'.$fname); - print $fh $ENV{'form.'.$formname}; + if (!open(FH,'>'.$filepath.'/'.$file)) { + &logthis('Failed to create '.$filepath.'/'.$file); + print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } + if (!print FH ($env{'form.'.$formname})) { + &logthis('Failed to write to '.$filepath.'/'.$file); + print STDERR ('Failed to write to '.$filepath.'/'.$file."\n"); + return '/adm/notfound.html'; + } + close(FH); + } + if ($parser eq 'parse') { + my $parse_result = &extract_embedded_items($filepath,$file,$allfiles, + $codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.$file. + ' for embedded media: '.$parse_result); + } } # Notify homeserver to grep it # - - my $fetchresult= - &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$fname,$docuhome); + my $docuhome=&homeserver($docuname,$docudom); + my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { # # Return the URL to it - return '/uploaded/'.$path.$fname; + return '/uploaded/'.$path.$file; } else { - &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$fname. - ' to host '.$docuhome.': '.$fetchresult); + &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome. + ': '.$fetchresult); return '/adm/notfound.html'; } } +sub extract_embedded_items { + my ($filepath,$file,$allfiles,$codebase,$content) = @_; + my @state = (); + my %javafiles = ( + codebase => '', + code => '', + archive => '' + ); + my %mediafiles = ( + src => '', + movie => '', + ); + my $p; + if ($content) { + $p = HTML::LCParser->new($content); + } else { + $p = HTML::LCParser->new($filepath.'/'.$file); + } + while (my $t=$p->get_token()) { + if ($t->[0] eq 'S') { + my ($tagname, $attr) = ($t->[1],$t->[2]); + push (@state, $tagname); + if (lc($tagname) eq 'allow') { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + if (lc($tagname) eq 'img') { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + if (lc($tagname) eq 'script') { + if ($attr->{'archive'} =~ /\.jar$/i) { + &add_filetype($allfiles,$attr->{'archive'},'archive'); + } else { + &add_filetype($allfiles,$attr->{'src'},'src'); + } + } + if (lc($tagname) eq 'link') { + if (lc($attr->{'rel'}) eq 'stylesheet') { + &add_filetype($allfiles,$attr->{'href'},'href'); + } + } + if (lc($tagname) eq 'object' || + (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) { + foreach my $item (keys(%javafiles)) { + $javafiles{$item} = ''; + } + } + if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') { + my $name = lc($attr->{'name'}); + foreach my $item (keys(%javafiles)) { + if ($name eq $item) { + $javafiles{$item} = $attr->{'value'}; + last; + } + } + foreach my $item (keys(%mediafiles)) { + if ($name eq $item) { + &add_filetype($allfiles, $attr->{'value'}, 'value'); + last; + } + } + } + if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') { + foreach my $item (keys(%javafiles)) { + if ($attr->{$item}) { + $javafiles{$item} = $attr->{$item}; + last; + } + } + foreach my $item (keys(%mediafiles)) { + if ($attr->{$item}) { + &add_filetype($allfiles,$attr->{$item},$item); + last; + } + } + } + } elsif ($t->[0] eq 'E') { + my ($tagname) = ($t->[1]); + if ($javafiles{'codebase'} ne '') { + $javafiles{'codebase'} .= '/'; + } + if (lc($tagname) eq 'applet' || + lc($tagname) eq 'object' || + (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object') + ) { + foreach my $item (keys(%javafiles)) { + if ($item ne 'codebase' && $javafiles{$item} ne '') { + my $file=$javafiles{'codebase'}.$javafiles{$item}; + &add_filetype($allfiles,$file,$item); + } + } + } + pop @state; + } + } + return 'ok'; +} + +sub add_filetype { + my ($allfiles,$file,$type)=@_; + if (exists($allfiles->{$file})) { + unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) { + push(@{$allfiles->{$file}}, &escape($type)); + } + } else { + @{$allfiles->{$file}} = (&escape($type)); + } +} + +sub removeuploadedurl { + my ($url)=@_; + my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); + return &removeuserfile($uname,$udom,$fname); +} + +sub removeuserfile { + my ($docuname,$docudom,$fname)=@_; + my $home=&homeserver($docuname,$docudom); + my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home); + if ($result eq 'ok') { + if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) { + my $metafile = $fname.'.meta'; + my $metaresult = &removeuserfile($docuname,$docudom,$metafile); + my $url = "/uploaded/$docudom/$docuname/$fname"; + my ($file,$group) = (&parse_portfolio_url($url))[3,4]; + my $sqlresult = + &update_portfolio_table($docuname,$docudom,$file, + 'portfolio_metadata',$group, + 'delete'); + } + } + return $result; +} + +sub mkdiruserfile { + my ($docuname,$docudom,$dir)=@_; + my $home=&homeserver($docuname,$docudom); + return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home); +} + +sub renameuserfile { + my ($docuname,$docudom,$old,$new)=@_; + my $home=&homeserver($docuname,$docudom); + my $result = &reply("renameuserfile:$docudom:$docuname:". + &escape("$old").':'.&escape("$new"),$home); + if ($result eq 'ok') { + if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) { + my $oldmeta = $old.'.meta'; + my $newmeta = $new.'.meta'; + my $metaresult = + &renameuserfile($docuname,$docudom,$oldmeta,$newmeta); + my $url = "/uploaded/$docudom/$docuname/$old"; + my ($file,$group) = (&parse_portfolio_url($url))[3,4]; + my $sqlresult = + &update_portfolio_table($docuname,$docudom,$file, + 'portfolio_metadata',$group, + 'delete'); + } + } + return $result; +} + # ------------------------------------------------------------------------- Log sub log { @@ -1271,8 +1792,7 @@ sub flushcourselogs { # times and course titles for all courseids # my %courseidbuffer=(); - foreach (keys %courselogs) { - my $crsid=$_; + foreach my $crsid (keys %courselogs) { if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'. &escape($courselogs{$crsid}), $coursehombuf{$crsid}) eq 'ok') { @@ -1280,44 +1800,69 @@ sub flushcourselogs { } else { &logthis('Failed to flush log buffer for '.$crsid); if (length($courselogs{$crsid})>40000) { - &logthis("WARNING: Buffer for ".$crsid. + &logthis("WARNING: Buffer for ".$crsid. " exceeded maximum size, deleting."); delete $courselogs{$crsid}; } } if ($courseidbuffer{$coursehombuf{$crsid}}) { $courseidbuffer{$coursehombuf{$crsid}}.='&'. - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); + &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}).':'.&escape($coursetypebuf{$crsid}); } else { $courseidbuffer{$coursehombuf{$crsid}}= - &escape($crsid).'='.&escape($coursedescrbuf{$crsid}); - } + &escape($crsid).'='.&escape($coursedescrbuf{$crsid}). + ':'.&escape($courseinstcodebuf{$crsid}).':'.&escape($courseownerbuf{$crsid}).':'.&escape($coursetypebuf{$crsid}); + } } # # Write course id database (reverse lookup) to homeserver of courses # Is used in pickcourse # - foreach (keys %courseidbuffer) { - &courseidput($hostdom{$_},$courseidbuffer{$_},$_); + foreach my $crsid (keys(%courseidbuffer)) { + &courseidput($hostdom{$crsid},$courseidbuffer{$crsid},$crsid); } # # File accesses # Writes to the dynamic metadata of resources to get hit counts, etc. # - foreach (keys %accesshash) { - my $entry=$_; - $entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; - my %temphash=($entry => $accesshash{$entry}); - if (&Apache::lonnet::put('nohist_resevaldata',\%temphash,$1,$2) eq 'ok') { - delete $accesshash{$entry}; + foreach my $entry (keys(%accesshash)) { + if ($entry =~ /___count$/) { + my ($dom,$name); + ($dom,$name,undef)= + ($entry=~m{___($match_domain)/($match_name)/(.*)___count$}); + if (! defined($dom) || $dom eq '' || + ! defined($name) || $name eq '') { + my $cid = $env{'request.course.id'}; + $dom = $env{'request.'.$cid.'.domain'}; + $name = $env{'request.'.$cid.'.num'}; + } + my $value = $accesshash{$entry}; + my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/); + my %temphash=($url => $value); + my $result = &inc('nohist_accesscount',\%temphash,$dom,$name); + if ($result eq 'ok') { + delete $accesshash{$entry}; + } elsif ($result eq 'unknown_cmd') { + # Target server has old code running on it. + my %temphash=($entry => $value); + if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { + delete $accesshash{$entry}; + } + } + } else { + my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$}); + my %temphash=($entry => $accesshash{$entry}); + if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { + delete $accesshash{$entry}; + } } } # # Roles # Reverse lookup of user roles for course faculty/staff and co-authorship # - foreach (keys %userrolehash) { - my $entry=$_; + foreach my $entry (keys(%userrolehash)) { my ($role,$uname,$udom,$runame,$rudom,$rsec)= split(/\:/,$entry); if (&Apache::lonnet::put('nohist_userroles', @@ -1326,40 +1871,83 @@ sub flushcourselogs { delete $userrolehash{$entry}; } } +# +# Reverse lookup of domain roles (dc, ad, li, sc, au) +# + my %domrolebuffer = (); + foreach my $entry (keys %domainrolehash) { + my ($role,$uname,$udom,$runame,$rudom,$rsec)=split/:/,$entry; + if ($domrolebuffer{$rudom}) { + $domrolebuffer{$rudom}.='&'.&escape($entry). + '='.&escape($domainrolehash{$entry}); + } else { + $domrolebuffer{$rudom}.=&escape($entry). + '='.&escape($domainrolehash{$entry}); + } + delete $domainrolehash{$entry}; + } + foreach my $dom (keys(%domrolebuffer)) { + foreach my $tryserver (keys %libserv) { + if ($hostdom{$tryserver} eq $dom) { + unless (&reply('domroleput:'.$dom.':'. + $domrolebuffer{$dom},$tryserver) eq 'ok') { + &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver); + } + } + } + } $dumpcount++; } sub courselog { my $what=shift; $what=time.':'.$what; - unless ($ENV{'request.course.id'}) { return ''; } - $coursedombuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - $coursenumbuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - $coursehombuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; - $coursedescrbuf{$ENV{'request.course.id'}}= - $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - if (defined $courselogs{$ENV{'request.course.id'}}) { - $courselogs{$ENV{'request.course.id'}}.='&'.$what; + unless ($env{'request.course.id'}) { return ''; } + $coursedombuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.domain'}; + $coursenumbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.num'}; + $coursehombuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.home'}; + $coursedescrbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.description'}; + $courseinstcodebuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}; + $courseownerbuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'}; + $coursetypebuf{$env{'request.course.id'}}= + $env{'course.'.$env{'request.course.id'}.'.type'}; + if (defined $courselogs{$env{'request.course.id'}}) { + $courselogs{$env{'request.course.id'}}.='&'.$what; } else { - $courselogs{$ENV{'request.course.id'}}.=$what; + $courselogs{$env{'request.course.id'}}.=$what; } - if (length($courselogs{$ENV{'request.course.id'}})>4048) { + if (length($courselogs{$env{'request.course.id'}})>4048) { &flushcourselogs(); } } sub courseacclog { my $fnsymb=shift; - unless ($ENV{'request.course.id'}) { return ''; } - my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; - if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) { + unless ($env{'request.course.id'}) { return ''; } + my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'}; + if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|task|page)$/) { $what.=':POST'; - foreach (keys %ENV) { - if ($_=~/^form\.(.*)/) { - $what.=':'.$1.'='.$ENV{$_}; + # FIXME: Probably ought to escape things.... + foreach my $key (keys(%env)) { + if ($key=~/^form\.(.*)/) { + $what.=':'.$1.'='.$env{$key}; + } + } + } elsif ($fnsymb =~ m:^/adm/searchcat:) { + # FIXME: We should not be depending on a form parameter that someone + # editing lonsearchcat.pm might change in the future. + if ($env{'form.phase'} eq 'course_search') { + $what.= ':POST'; + # FIXME: Probably ought to escape things.... + foreach my $element ('courseexp','crsfulltext','crsrelated', + 'crsdiscuss') { + $what.=':'.$element.'='.$env{'form.'.$element}; } } } @@ -1368,14 +1956,11 @@ sub courseacclog { sub countacc { my $url=&declutter(shift); - unless ($ENV{'request.course.id'}) { return ''; } - $accesshash{$ENV{'request.course.id'}.'___'.$url.'___course'}=1; + return if (! defined($url) || $url eq ''); + unless ($env{'request.course.id'}) { return ''; } + $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1; my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; - if (defined($accesshash{$key})) { - $accesshash{$key}++; - } else { - $accesshash{$key}=1; - } + $accesshash{$key}++; } sub linklog { @@ -1388,30 +1973,48 @@ sub linklog { sub userrolelog { my ($trole,$username,$domain,$area,$tstart,$tend)=@_; - if (($trole=~/^ca/) || ($trole=~/^in/) || - ($trole=~/^cc/) || ($trole=~/^ep/) || - ($trole=~/^cr/)) { + if (($trole=~/^ca/) || ($trole=~/^aa/) || + ($trole=~/^in/) || ($trole=~/^cc/) || + ($trole=~/^ep/) || ($trole=~/^cr/) || + ($trole=~/^ta/)) { my (undef,$rudom,$runame,$rsec)=split(/\//,$area); $userrolehash {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} =$tend.':'.$tstart; - } + } + if (($trole=~/^dc/) || ($trole=~/^ad/) || + ($trole=~/^li/) || ($trole=~/^li/) || + ($trole=~/^au/) || ($trole=~/^dg/) || + ($trole=~/^sc/)) { + my (undef,$rudom,$runame,$rsec)=split(/\//,$area); + $domainrolehash + {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} + = $tend.':'.$tstart; + } } sub get_course_adv_roles { my $cid=shift; - $cid=$ENV{'request.course.id'} unless (defined($cid)); + $cid=$env{'request.course.id'} unless (defined($cid)); my %coursehash=&coursedescription($cid); + my %nothide=(); + foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { + $nothide{join(':',split(/[\@\:]/,$user))}=1; + } my %returnhash=(); my %dumphash= &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); my $now=time; - foreach (keys %dumphash) { - my ($tend,$tstart)=split(/\:/,$dumphash{$_}); + foreach my $entry (keys %dumphash) { + my ($tend,$tstart)=split(/\:/,$dumphash{$entry}); if (($tstart) && ($tstart<0)) { next; } if (($tend) && ($tend<$now)) { next; } if (($tstart) && ($now<$tstart)) { next; } - my ($role,$username,$domain,$section)=split(/\:/,$_); + my ($role,$username,$domain,$section)=split(/\:/,$entry); + if ($username eq '' || $domain eq '') { next; } + if ((&privileged($username,$domain)) && + (!$nothide{$username.':'.$domain})) { next; } + if ($role eq 'cr') { next; } my $key=&plaintext($role); if ($section) { $key.=' (Sec/Grp '.$section.')'; } if ($returnhash{$key}) { @@ -1424,21 +2027,45 @@ sub get_course_adv_roles { } sub get_my_roles { - my ($uname,$udom)=@_; - unless (defined($uname)) { $uname=$ENV{'user.name'}; } - unless (defined($udom)) { $udom=$ENV{'user.domain'}; } + my ($uname,$udom,$types,$roles,$roledoms)=@_; + unless (defined($uname)) { $uname=$env{'user.name'}; } + unless (defined($udom)) { $udom=$env{'user.domain'}; } my %dumphash= &dump('nohist_userroles',$udom,$uname); my %returnhash=(); my $now=time; - foreach (keys %dumphash) { - my ($tend,$tstart)=split(/\:/,$dumphash{$_}); + foreach my $entry (keys(%dumphash)) { + my ($tend,$tstart)=split(/\:/,$dumphash{$entry}); if (($tstart) && ($tstart<0)) { next; } - if (($tend) && ($tend<$now)) { next; } - if (($tstart) && ($now<$tstart)) { next; } - my ($role,$username,$domain,$section)=split(/\:/,$_); + my $status = 'active'; + if (($tend) && ($tend<$now)) { + $status = 'previous'; + } + if (($tstart) && ($now<$tstart)) { + $status = 'future'; + } + if (ref($types) eq 'ARRAY') { + if (!grep(/^\Q$status\E$/,@{$types})) { + next; + } + } else { + if ($status ne 'active') { + next; + } + } + my ($role,$username,$domain,$section)=split(/\:/,$entry); + if (ref($roledoms) eq 'ARRAY') { + if (!grep(/^\Q$domain\E$/,@{$roledoms})) { + next; + } + } + if (ref($roles) eq 'ARRAY') { + if (!grep(/^\Q$role\E$/,@{$roles})) { + next; + } + } $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend; - } + } return %returnhash; } @@ -1454,14 +2081,15 @@ sub postannounce { } sub getannounce { - if (my $fh=Apache::File->new($perlvar{'lonDocRoot'}.'/announcement.txt')) { + + if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) { my $announcement=''; - while (<$fh>) { $announcement .=$_; } - $fh->close(); + while (my $line = <$fh>) { $announcement .= $line; } + close($fh); if ($announcement=~/\w/) { return ''. - '
'.$announcement.'
'; + ''.$announcement.''; } else { return ''; } @@ -1480,29 +2108,116 @@ sub courseidput { } sub courseiddump { - my ($domfilter,$descfilter,$sincefilter)=@_; + my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok)=@_; my %returnhash=(); unless ($domfilter) { $domfilter=''; } foreach my $tryserver (keys %libserv) { - if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { - foreach ( - split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. - $sincefilter.':'.&escape($descfilter), + if ( ($hostidflag == 1 && grep/^$tryserver$/,@{$hostidref}) || (!defined($hostidflag)) ) { + if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { + foreach my $line ( + split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. + $sincefilter.':'.&escape($descfilter).':'. + &escape($instcodefilter).':'.&escape($ownerfilter).':'.&escape($coursefilter).':'.&escape($typefilter).':'.&escape($regexp_ok), $tryserver))) { - my ($key,$value)=split(/\=/,$_); - if (($key) && ($value)) { - $returnhash{&unescape($key)}=&unescape($value); + my ($key,$value)=split(/\=/,$line,2); + if (($key) && ($value)) { + $returnhash{&unescape($key)}=$value; + } } } + } + } + return %returnhash; +} + +# ---------------------------------------------------------- DC e-mail +sub dcmailput { + my ($domain,$msgid,$message,$server)=@_; + my $status = &Apache::lonnet::critical( + 'dcmailput:'.$domain.':'.&escape($msgid).'='. + &escape($message),$server); + return $status; +} + +sub dcmaildump { + my ($dom,$startdate,$enddate,$senders) = @_; + my %returnhash=(); + if (exists($domain_primary{$dom})) { + my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'. + &escape($enddate).':'; + my @esc_senders=map { &escape($_)} @$senders; + $cmd.=&escape(join('&',@esc_senders)); + foreach my $line (split(/\&/,&reply($cmd,$domain_primary{$dom}))) { + my ($key,$value) = split(/\=/,$line,2); + if (($key) && ($value)) { + $returnhash{&unescape($key)} = &unescape($value); + } } } return %returnhash; } +# ---------------------------------------------------------- Domain roles + +sub get_domain_roles { + my ($dom,$roles,$startdate,$enddate)=@_; + if (undef($startdate) || $startdate eq '') { + $startdate = '.'; + } + if (undef($enddate) || $enddate eq '') { + $enddate = '.'; + } + my $rolelist = join(':',@{$roles}); + my %personnel = (); + foreach my $tryserver (keys(%libserv)) { + if ($hostdom{$tryserver} eq $dom) { + %{$personnel{$tryserver}}=(); + foreach my $line ( + split(/\&/,&reply('domrolesdump:'.$dom.':'. + &escape($startdate).':'.&escape($enddate).':'. + &escape($rolelist), $tryserver))) { + my ($key,$value) = split(/\=/,$line,2); + if (($key) && ($value)) { + $personnel{$tryserver}{&unescape($key)} = &unescape($value); + } + } + } + } + return %personnel; +} -# # ----------------------------------------------------------- Check out an item +sub get_first_access { + my ($type,$argsymb)=@_; + my ($symb,$courseid,$udom,$uname)=&whichuser(); + if ($argsymb) { $symb=$argsymb; } + my ($map,$id,$res)=&decode_symb($symb); + if ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); + return $times{"$courseid\0$res"}; +} + +sub set_first_access { + my ($type)=@_; + my ($symb,$courseid,$udom,$uname)=&whichuser(); + my ($map,$id,$res)=&decode_symb($symb); + if ($type eq 'map') { + $res=&symbread($map); + } else { + $res=$symb; + } + my $firstaccess=&get_first_access($type,$symb); + if (!$firstaccess) { + return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); + } + return 'already_set'; +} + sub checkout { my ($symb,$tuname,$tudom,$tcrsid)=@_; my $now=time; @@ -1516,7 +2231,7 @@ sub checkout { $now.'&'.$ENV{'REMOTE_ADDR'}); my $token=&reply('tmpput:'.$infostr,$lonhost); if ($token=~/^error\:/) { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. ""); return ''; @@ -1532,7 +2247,7 @@ sub checkout { unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { return ''; } else { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. ""); } @@ -1542,7 +2257,7 @@ sub checkout { $token)) ne 'ok') { return ''; } else { - &logthis("WARNING: ". + &logthis("WARNING: ". "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. ""); } @@ -1556,7 +2271,7 @@ sub checkin { my $now=time; my ($ta,$tb,$lonhost)=split(/\*/,$token); $lonhost=~tr/A-Z/a-z/; - my $dtoken=$ta.'_'.$hostip{$lonhost}.'_'.$tb; + my $dtoken=$ta.'_'.$hostname{$lonhost}.'_'.$tb; $dtoken=~s/\W/\_/g; my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); @@ -1568,7 +2283,7 @@ sub checkin { unless (&allowed('mgr',$tcrsid)) { &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. - $ENV{'user.name'}.' - '.$ENV{'user.domain'}); + $env{'user.name'}.' - '.$env{'user.domain'}); return ''; } @@ -1592,15 +2307,15 @@ sub checkin { sub expirespread { my ($uname,$udom,$stype,$usymb)=@_; - my $cid=$ENV{'request.course.id'}; + my $cid=$env{'request.course.id'}; if ($cid) { my $now=time; my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; - return &reply('put:'.$ENV{'course.'.$cid.'.domain'}.':'. - $ENV{'course.'.$cid.'.num'}. + return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'. + $env{'course.'.$cid.'.num'}. ':nohist_expirationdates:'. &escape($key).'='.$now, - $ENV{'course.'.$cid.'.home'}) + $env{'course.'.$cid.'.home'}) } return 'ok'; } @@ -1609,18 +2324,19 @@ sub expirespread { sub devalidate { my ($symb,$uname,$udom)=@_; - my $cid=$ENV{'request.course.id'}; + my $cid=$env{'request.course.id'}; if ($cid) { # delete the stored spreadsheets for # - the student level sheet of this user in course's homespace # - the assessment level sheet for this resource # for this user in user's homespace + # - current conditional state info my $key=$uname.':'.$udom.':'; my $status= &del('nohist_calculatedsheets', [$key.'studentcalc:'], - $ENV{'course.'.$cid.'.domain'}, - $ENV{'course.'.$cid.'.num'}) + $env{'course.'.$cid.'.domain'}, + $env{'course.'.$cid.'.num'}) .' '. &del('nohist_calculatedsheets_'.$cid, [$key.'assesscalc:'.$symb],$udom,$uname); @@ -1629,6 +2345,7 @@ sub devalidate { $uname.' at '.$udom.' for '. $symb.': '.$status); } + &delenv('user.state.'.$cid); } } @@ -1681,27 +2398,27 @@ sub hash2str { sub hashref2str { my ($hashref)=@_; my $result='__HASH_REF__'; - foreach (keys(%$hashref)) { - if (ref($_) eq 'ARRAY') { - $result.=&arrayref2str($_).'='; - } elsif (ref($_) eq 'HASH') { - $result.=&hashref2str($_).'='; - } elsif (ref($_)) { + foreach my $key (sort(keys(%$hashref))) { + if (ref($key) eq 'ARRAY') { + $result.=&arrayref2str($key).'='; + } elsif (ref($key) eq 'HASH') { + $result.=&hashref2str($key).'='; + } elsif (ref($key)) { $result.='='; - #print("Got a ref of ".(ref($_))." skipping."); + #print("Got a ref of ".(ref($key))." skipping."); } else { - if ($_) {$result.=&escape($_).'=';} else { last; } + if ($key) {$result.=&escape($key).'=';} else { last; } } - if(ref($hashref->{$_}) eq 'ARRAY') { - $result.=&arrayref2str($hashref->{$_}).'&'; - } elsif(ref($hashref->{$_}) eq 'HASH') { - $result.=&hashref2str($hashref->{$_}).'&'; - } elsif(ref($hashref->{$_})) { + if(ref($hashref->{$key}) eq 'ARRAY') { + $result.=&arrayref2str($hashref->{$key}).'&'; + } elsif(ref($hashref->{$key}) eq 'HASH') { + $result.=&hashref2str($hashref->{$key}).'&'; + } elsif(ref($hashref->{$key})) { $result.='&'; - #print("Got a ref of ".(ref($hashref->{$_}))." skipping."); + #print("Got a ref of ".(ref($hashref->{$key}))." skipping."); } else { - $result.=&escape($hashref->{$_}).'&'; + $result.=&escape($hashref->{$key}).'&'; } } $result=~s/\&$//; @@ -1829,17 +2546,19 @@ sub tmpreset { my ($symb,$namespace,$domain,$stuname) = @_; if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); - if (!$namespace) { $namespace=$ENV{'request.state'}; } + if (!$namespace) { $namespace=$env{'request.state'}; } $namespace=~s/\//\_/g; $namespace=~s/\W//g; - #FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my $path=$perlvar{'lonDaemons'}.'/tmp'; my %hash; if (tie(%hash,'GDBM_File', @@ -1858,23 +2577,25 @@ sub tmpstore { if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); if (!$namespace) { # I don't think we would ever want to store this for a course. # it seems this will only be used if we don't have a course. - #$namespace=$ENV{'request.course.id'}; + #$namespace=$env{'request.course.id'}; #if (!$namespace) { - $namespace=$ENV{'request.state'}; + $namespace=$env{'request.state'}; #} } $namespace=~s/\//\_/g; $namespace=~s/\W//g; -#FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my $now=time; my %hash; my $path=$perlvar{'lonDaemons'}.'/tmp'; @@ -1886,7 +2607,7 @@ sub tmpstore { my $allkeys=''; foreach my $key (keys(%$storehash)) { $allkeys.=$key.':'; - $hash{"$version:$symb:$key"}=$$storehash{$key}; + $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key}); } $hash{"$version:$symb:timestamp"}=$now; $allkeys.='timestamp'; @@ -1908,15 +2629,17 @@ sub tmprestore { if (!$symb) { $symb=&symbread(); - if (!$symb) { $symb= $ENV{'request.url'}; } + if (!$symb) { $symb= $env{'request.url'}; } } $symb=escape($symb); - if (!$namespace) { $namespace=$ENV{'request.state'}; } - #FIXME needs to do something for /pub resources - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$namespace) { $namespace=$env{'request.state'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if ($domain eq 'public' && $stuname eq 'public') { + $stuname=$ENV{'REMOTE_ADDR'}; + } my %returnhash; $namespace=~s/\//\_/g; $namespace=~s/\W//g; @@ -1934,8 +2657,8 @@ sub tmprestore { my $key; $returnhash{"$scope:keys"}=$vkeys; foreach $key (@keys) { - $returnhash{"$scope:$key"}=$hash{"$scope:$symb:$key"}; - $returnhash{"$key"}=$hash{"$scope:$symb:$key"}; + $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); + $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"}); } } if (!(untie(%hash))) { @@ -1958,21 +2681,25 @@ sub store { $symb=&symbclean($symb); if (!$symb) { unless ($symb=&symbread()) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } &devalidate($symb,$stuname,$domain); $symb=escape($symb); if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$home) { $home=$env{'user.home'}; } + + $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'host'}=$perlvar{'lonHostID'}; + my $namevalue=''; - foreach (keys %$storehash) { - $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $key (keys(%$storehash)) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); @@ -1990,22 +2717,25 @@ sub cstore { $symb=&symbclean($symb); if (!$symb) { unless ($symb=&symbread()) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } &devalidate($symb,$stuname,$domain); $symb=escape($symb); if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$home) { $home=$env{'user.home'}; } + + $$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; + $$storehash{'host'}=$perlvar{'lonHostID'}; my $namevalue=''; - foreach (keys %$storehash) { - $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $key (keys(%$storehash)) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; } $namevalue=~s/\&$//; &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); @@ -2027,24 +2757,24 @@ sub restore { $symb=&escape(&symbclean($symb)); } if (!$namespace) { - unless ($namespace=$ENV{'request.course.id'}) { + unless ($namespace=$env{'request.course.id'}) { return ''; } } - if (!$domain) { $domain=$ENV{'user.domain'}; } - if (!$stuname) { $stuname=$ENV{'user.name'}; } - if (!$home) { $home=$ENV{'user.home'}; } + if (!$domain) { $domain=$env{'user.domain'}; } + if (!$stuname) { $stuname=$env{'user.name'}; } + if (!$home) { $home=$env{'user.home'}; } my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); my %returnhash=(); - foreach (split(/\&/,$answer)) { - my ($name,$value)=split(/\=/,$_); - $returnhash{&unescape($name)}=&unescape($value); + foreach my $line (split(/\&/,$answer)) { + my ($name,$value)=split(/\=/,$line); + $returnhash{&unescape($name)}=&thaw_unescape($value); } my $version; for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach (split(/\:/,$returnhash{$version.':keys'})) { - $returnhash{$_}=$returnhash{$version.':'.$_}; + foreach my $item (split(/\:/,$returnhash{$version.':keys'})) { + $returnhash{$item}=$returnhash{$version.':'.$item}; } } return %returnhash; @@ -2053,7 +2783,7 @@ sub restore { # ---------------------------------------------------------- Course Description sub coursedescription { - my $courseid=shift; + my ($courseid,$args)=@_; $courseid=~s/^\///; $courseid=~s/\_/\//g; my ($cdomain,$cnum)=split(/\//,$courseid); @@ -2063,28 +2793,84 @@ sub coursedescription { # trying and trying and trying to get the course description. my %envhash=(); my %returnhash=(); - $envhash{'course.'.$normalid.'.last_cache'}=time; + + my $expiretime=600; + if ($env{'request.course.id'} eq $normalid) { + $expiretime=120; + } + + my $prefix='course.'.$cdomain.'_'.$cnum.'.'; + if (!$args->{'freshen_cache'} + && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) { + foreach my $key (keys(%env)) { + next if ($key !~ /^\Q$prefix\E(.*)/); + my ($setting) = $1; + $returnhash{$setting} = $env{$key}; + } + return %returnhash; + } + + # get the data agin + if (!$args->{'one_time'}) { + $envhash{'course.'.$normalid.'.last_cache'}=time; + } + if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; + if (!defined($returnhash{'type'})) { + $returnhash{'type'} = 'Course'; + } while (my ($name,$value) = each %returnhash) { $envhash{'course.'.$normalid.'.'.$name}=$value; } $returnhash{'url'}=&clutter($returnhash{'url'}); $returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. - $ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; + $env{'user.name'}.'_'.$cdomain.'_'.$cnum; $envhash{'course.'.$normalid.'.home'}=$chome; $envhash{'course.'.$normalid.'.domain'}=$cdomain; $envhash{'course.'.$normalid.'.num'}=$cnum; } } - &appenv(%envhash); + if (!$args->{'one_time'}) { + &appenv(%envhash); + } return %returnhash; } +# -------------------------------------------------See if a user is privileged + +sub privileged { + my ($username,$domain)=@_; + my $rolesdump=&reply("dump:$domain:$username:roles", + &homeserver($username,$domain)); + if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return 0; } + my $now=time; + if ($rolesdump ne '') { + foreach my $entry (split(/&/,$rolesdump)) { + if ($entry!~/^rolesdef_/) { + my ($area,$role)=split(/=/,$entry); + $area=~s/\_\w\w$//; + my ($trole,$tend,$tstart)=split(/_/,$role); + if (($trole eq 'dc') || ($trole eq 'su')) { + my $active=1; + if ($tend) { + if ($tend<$now) { $active=0; } + } + if ($tstart) { + if ($tstart>$now) { $active=0; } + } + if ($active) { return 1; } + } + } + } + } + return 0; +} + # -------------------------------------------------------- Get user privileges sub rolesinit { @@ -2092,110 +2878,168 @@ sub rolesinit { my $rolesdump=reply("dump:$domain:$username:roles",$authhost); if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return ''; } my %allroles=(); - my %thesepriv=(); + my %allgroups=(); my $now=time; - my $userroles="user.login.time=$now\n"; - my $thesestr; + my %userroles = ('user.login.time' => $now); + my $group_privs; if ($rolesdump ne '') { - foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { - my ($area,$role)=split(/=/,$_); - $area=~s/\_\w\w$//; - my ($trole,$tend,$tstart)=split(/_/,$role); - $userroles.='user.role.'.$trole.'.'.$area.'='. - $tstart.'.'.$tend."\n"; -# log the associated role with the area - &userrolelog($trole,$username,$domain,$area,$tstart,$tend); - if ($tend!=0) { - if ($tend<$now) { - $trole=''; - } - } - if ($tstart!=0) { - if ($tstart>$now) { - $trole=''; - } - } + foreach my $entry (split(/&/,$rolesdump)) { + if ($entry!~/^rolesdef_/) { + my ($area,$role)=split(/=/,$entry); + $area=~s/\_\w\w$//; + my ($trole,$tend,$tstart,$group_privs); + if ($role=~/^cr/) { + if ($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) { + ($trole,my $trest)=($role=~m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|); + ($tend,$tstart)=split('_',$trest); + } else { + $trole=$role; + } + } elsif ($role =~ m|^gr/|) { + ($trole,$tend,$tstart) = split(/_/,$role); + ($trole,$group_privs) = split(/\//,$trole); + $group_privs = &unescape($group_privs); + } else { + ($trole,$tend,$tstart)=split(/_/,$role); + } + my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain, + $username); + @userroles{keys(%new_role)} = @new_role{keys(%new_role)}; + if (($tend!=0) && ($tend<$now)) { $trole=''; } + if (($tstart!=0) && ($tstart>$now)) { $trole=''; } if (($area ne '') && ($trole ne '')) { my $spec=$trole.'.'.$area; my ($tdummy,$tdomain,$trest)=split(/\//,$area); if ($trole =~ /^cr\//) { - my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); - my $homsvr=homeserver($rauthor,$rdomain); - if ($hostname{$homsvr} ne '') { - my ($rdummy,$roledef)= - &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); - - if (($rdummy ne 'con_lost') && ($roledef ne '')) { - my ($syspriv,$dompriv,$coursepriv)= - split(/\_/,$roledef); - if (defined($syspriv)) { - $allroles{'cm./'}.=':'.$syspriv; - $allroles{$spec.'./'}.=':'.$syspriv; - } - if ($tdomain ne '') { - if (defined($dompriv)) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; - } - if ($trest ne '') { - if (defined($coursepriv)) { - $allroles{'cm.'.$area}.=':'.$coursepriv; - $allroles{$spec.'.'.$area}.=':'.$coursepriv; - } - } - } - } - } + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); + } elsif ($trole eq 'gr') { + &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); } else { - if (defined($pr{$trole.':s'})) { - $allroles{'cm./'}.=':'.$pr{$trole.':s'}; - $allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; - } - if ($tdomain ne '') { - if (defined($pr{$trole.':d'})) { - $allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - $allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; - } - if ($trest ne '') { - if (defined($pr{$trole.':c'})) { - $allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; - $allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; - } - } - } + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); } } - } + } } - my $adv=0; - my $author=0; - foreach (keys %allroles) { - %thesepriv=(); - if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } - if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } - foreach (split(/:/,$allroles{$_})) { - if ($_ ne '') { - my ($privilege,$restrictions)=split(/&/,$_); - if ($restrictions eq '') { - $thesepriv{$privilege}='F'; - } else { - if ($thesepriv{$privilege} ne 'F') { - $thesepriv{$privilege}.=$restrictions; - } + my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); + $userroles{'user.adv'} = $adv; + $userroles{'user.author'} = $author; + $env{'user.adv'}=$adv; + } + return \%userroles; +} + +sub set_arearole { + my ($trole,$area,$tstart,$tend,$domain,$username) = @_; +# log the associated role with the area + &userrolelog($trole,$username,$domain,$area,$tstart,$tend); + return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend); +} + +sub custom_roleprivs { + my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_; + my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); + my $homsvr=homeserver($rauthor,$rdomain); + if ($hostname{$homsvr} ne '') { + my ($rdummy,$roledef)= + &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); + if (($rdummy ne 'con_lost') && ($roledef ne '')) { + my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef); + if (defined($syspriv)) { + $$allroles{'cm./'}.=':'.$syspriv; + $$allroles{$spec.'./'}.=':'.$syspriv; + } + if ($tdomain ne '') { + if (defined($dompriv)) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; + } + if (($trest ne '') && (defined($coursepriv))) { + $$allroles{'cm.'.$area}.=':'.$coursepriv; + $$allroles{$spec.'.'.$area}.=':'.$coursepriv; + } + } + } + } +} + +sub group_roleprivs { + my ($allgroups,$area,$group_privs,$tend,$tstart) = @_; + my $access = 1; + my $now = time; + if (($tend!=0) && ($tend<$now)) { $access = 0; } + if (($tstart!=0) && ($tstart>$now)) { $access=0; } + if ($access) { + my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|); + $$allgroups{$course}{$group} .=':'.$group_privs; + } +} + +sub standard_roleprivs { + my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_; + if (defined($pr{$trole.':s'})) { + $$allroles{'cm./'}.=':'.$pr{$trole.':s'}; + $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; + } + if ($tdomain ne '') { + if (defined($pr{$trole.':d'})) { + $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; + } + if (($trest ne '') && (defined($pr{$trole.':c'}))) { + $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; + $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; + } + } +} + +sub set_userprivs { + my ($userroles,$allroles,$allgroups) = @_; + my $author=0; + my $adv=0; + my %grouproles = (); + if (keys(%{$allgroups}) > 0) { + foreach my $role (keys %{$allroles}) { + my ($trole,$area,$sec,$extendedarea); + if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)-) { + $trole = $1; + $area = $2; + $sec = $3; + $extendedarea = $area.$sec; + if (exists($$allgroups{$area})) { + foreach my $group (keys(%{$$allgroups{$area}})) { + my $spec = $trole.'.'.$extendedarea; + $grouproles{$spec.'.'.$area.'/'.$group} = + $$allgroups{$area}{$group}; } } } - $thesestr=''; - foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } - $userroles.='user.priv.'.$_.'='.$thesestr."\n"; - } - $userroles.='user.adv='.$adv."\n". - 'user.author='.$author."\n"; - $ENV{'user.adv'}=$adv; + } + } + foreach my $group (keys(%grouproles)) { + $$allroles{$group} = $grouproles{$group}; } - return $userroles; + foreach my $role (keys(%{$allroles})) { + my %thesepriv; + if (($role=~/^au/) || ($role=~/^ca/)) { $author=1; } + foreach my $item (split(/:/,$$allroles{$role})) { + if ($item ne '') { + my ($privilege,$restrictions)=split(/&/,$item); + if ($restrictions eq '') { + $thesepriv{$privilege}='F'; + } elsif ($thesepriv{$privilege} ne 'F') { + $thesepriv{$privilege}.=$restrictions; + } + if ($thesepriv{'adv'} eq 'F') { $adv=1; } + } + } + my $thesestr=''; + foreach my $priv (keys(%thesepriv)) { + $thesestr.=':'.$priv.'&'.$thesepriv{$priv}; + } + $userroles->{'user.priv.'.$role} = $thesestr; + } + return ($author,$adv); } # --------------------------------------------------------------- get interface @@ -2203,12 +3047,12 @@ sub rolesinit { sub get { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome); @@ -2218,8 +3062,8 @@ sub get { } my %returnhash=(); my $i=0; - foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; @@ -2230,12 +3074,12 @@ sub get { sub del { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); return &reply("del:$udomain:$uname:$namespace:$items",$uhome); @@ -2244,21 +3088,46 @@ sub del { # -------------------------------------------------------------- dump interface sub dump { - my ($namespace,$udomain,$uname,$regexp)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + if ($regexp) { + $regexp=&escape($regexp); + } else { + $regexp='.'; + } + my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); + my @pairs=split(/\&/,$rep); + my %returnhash=(); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + return %returnhash; +} + +# --------------------------------------------------------- dumpstore interface + +sub dumpstore { + my ($namespace,$udomain,$uname,$regexp,$range)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); if ($regexp) { $regexp=&escape($regexp); } else { $regexp='.'; } - my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome); + my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); my @pairs=split(/\&/,$rep); my %returnhash=(); - foreach (@pairs) { - my ($key,$value)=split(/=/,$_); - $returnhash{unescape($key)}=unescape($value); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); } return %returnhash; } @@ -2267,13 +3136,14 @@ sub dump { sub getkeys { my ($namespace,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=reply("keys:$udomain:$uname:$namespace",$uhome); my @keyarray=(); - foreach (split(/\&/,$rep)) { - push (@keyarray,&unescape($_)); + foreach my $key (split(/\&/,$rep)) { + next if ($key =~ /^error: 2 /); + push(@keyarray,&unescape($key)); } return @keyarray; } @@ -2281,9 +3151,9 @@ sub getkeys { # --------------------------------------------------------------- currentdump sub currentdump { my ($courseid,$sdom,$sname)=@_; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); - $sdom = $ENV{'user.domain'} if (! defined($sdom)); - $sname = $ENV{'user.name'} if (! defined($sname)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); + $sdom = $env{'user.domain'} if (! defined($sdom)); + $sname = $env{'user.name'} if (! defined($sname)); my $uhome = &homeserver($sname,$sdom); my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); return if ($rep =~ /^(error:|no_such_host)/); @@ -2293,18 +3163,18 @@ sub currentdump { if ($rep eq "unknown_cmd") { # an old lond will not know currentdump # Do a dump and make it look like a currentdump - my @tmp = &dump($courseid,$sdom,$sname,'.'); + my @tmp = &dumpstore($courseid,$sdom,$sname,'.'); return if ($tmp[0] =~ /^(error:|no_such_host)/); my %hash = @tmp; @tmp=(); %returnhash = %{&convert_dump_to_currentdump(\%hash)}; } else { my @pairs=split(/\&/,$rep); - foreach (@pairs) { - my ($key,$value)=split(/=/,$_); + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair,2); my ($symb,$param) = split(/:/,$key); $returnhash{&unescape($symb)}->{&unescape($param)} = - &unescape($value); + &thaw_unescape($value); } } return %returnhash; @@ -2318,6 +3188,8 @@ sub convert_dump_to_currentdump{ # we might run in to problems with parameter names =~ /^v\./ while (my ($key,$value) = each(%hash)) { my ($v,$symb,$param) = split(/:/,$key); + $symb = &unescape($symb); + $param = &unescape($param); next if ($v eq 'version' || $symb eq 'keys'); next if (exists($returnhash{$symb}) && exists($returnhash{$symb}->{$param}) && @@ -2337,31 +3209,132 @@ sub convert_dump_to_currentdump{ return \%returnhash; } +# ------------------------------------------------------ critical inc interface + +sub cinc { + return &inc(@_,'critical'); +} + +# --------------------------------------------------------------- inc interface + +sub inc { + my ($namespace,$store,$udomain,$uname,$critical) = @_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + if (! ref($store)) { + # got a single value, so use that instead + $items = &escape($store).'=&'; + } elsif (ref($store) eq 'SCALAR') { + $items = &escape($$store).'=&'; + } elsif (ref($store) eq 'ARRAY') { + $items = join('=&',map {&escape($_);} @{$store}); + } elsif (ref($store) eq 'HASH') { + while (my($key,$value) = each(%{$store})) { + $items.= &escape($key).'='.&escape($value).'&'; + } + } + $items=~s/\&$//; + if ($critical) { + return &critical("inc:$udomain:$uname:$namespace:$items",$uhome); + } else { + return &reply("inc:$udomain:$uname:$namespace:$items",$uhome); + } +} + # --------------------------------------------------------------- put interface sub put { my ($namespace,$storehash,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $items=''; - foreach (keys %$storehash) { - $items.=&escape($_).'='.&escape($$storehash{$_}).'&'; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; return &reply("put:$udomain:$uname:$namespace:$items",$uhome); } +# ------------------------------------------------------------ newput interface + +sub newput { + my ($namespace,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + foreach my $key (keys(%$storehash)) { + $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; + } + $items=~s/\&$//; + return &reply("newput:$udomain:$uname:$namespace:$items",$uhome); +} + +# --------------------------------------------------------- putstore interface + +sub putstore { + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my $items=''; + foreach my $key (keys(%$storehash)) { + $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&'; + } + $items=~s/\&$//; + my $esc_symb=&escape($symb); + my $esc_v=&escape($version); + my $reply = + &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items", + $uhome); + if ($reply eq 'unknown_cmd') { + # gfall back to way things use to be done + return &old_putstore($namespace,$symb,$version,$storehash,$udomain, + $uname); + } + return $reply; +} + +sub old_putstore { + my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_; + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $uhome=&homeserver($uname,$udomain); + my %newstorehash; + foreach my $item (keys(%$storehash)) { + my $key = $version.':'.&escape($symb).':'.$item; + $newstorehash{$key} = $storehash->{$item}; + } + my $items=''; + my %allitems = (); + foreach my $item (keys(%newstorehash)) { + if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { + my $key = $1.':keys:'.$2; + $allitems{$key} .= $3.':'; + } + $items.=$item.'='.&freeze_escape($newstorehash{$item}).'&'; + } + foreach my $item (keys(%allitems)) { + $allitems{$item} =~ s/\:$//; + $items.= $item.'='.$allitems{$item}.'&'; + } + $items=~s/\&$//; + return &reply("put:$udomain:$uname:$namespace:$items",$uhome); +} + # ------------------------------------------------------ critical put interface sub cput { my ($namespace,$storehash,$udomain,$uname)=@_; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $items=''; - foreach (keys %$storehash) { - $items.=escape($_).'='.escape($$storehash{$_}).'&'; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; } $items=~s/\&$//; return &critical("put:$udomain:$uname:$namespace:$items",$uhome); @@ -2372,39 +3345,311 @@ sub cput { sub eget { my ($namespace,$storearr,$udomain,$uname)=@_; my $items=''; - foreach (@$storearr) { - $items.=escape($_).'&'; + foreach my $item (@$storearr) { + $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udomain) { $udomain=$ENV{'user.domain'}; } - if (!$uname) { $uname=$ENV{'user.name'}; } + if (!$udomain) { $udomain=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome); my @pairs=split(/\&/,$rep); my %returnhash=(); my $i=0; - foreach (@$storearr) { - $returnhash{$_}=unescape($pairs[$i]); + foreach my $item (@$storearr) { + $returnhash{$item}=&thaw_unescape($pairs[$i]); $i++; } return %returnhash; } +# ------------------------------------------------------------ tmpput interface +sub tmpput { + my ($storehash,$server,$context)=@_; + my $items=''; + foreach my $item (keys(%$storehash)) { + $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; + } + $items=~s/\&$//; + if (defined($context)) { + $items .= ':'.&escape($context); + } + return &reply("tmpput:$items",$server); +} + +# ------------------------------------------------------------ tmpget interface +sub tmpget { + my ($token,$server)=@_; + if (!defined($server)) { $server = $perlvar{'lonHostID'}; } + my $rep=&reply("tmpget:$token",$server); + my %returnhash; + foreach my $item (split(/\&/,$rep)) { + my ($key,$value)=split(/=/,$item); + $returnhash{&unescape($key)}=&thaw_unescape($value); + } + return %returnhash; +} + +# ------------------------------------------------------------ tmpget interface +sub tmpdel { + my ($token,$server)=@_; + if (!defined($server)) { $server = $perlvar{'lonHostID'}; } + return &reply("tmpdel:$token",$server); +} + +# -------------------------------------------------- portfolio access checking + +sub portfolio_access { + my ($requrl) = @_; + my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl); + my $result = &get_portfolio_access($udom,$unum,$file_name,$group); + if ($result) { + my %setters; + if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom); + if ($startblock && $endblock) { + return 'B'; + } + } else { + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port'); + if ($startblock && $endblock) { + return 'B'; + } + } + } + if ($result eq 'ok') { + return 'F'; + } elsif ($result =~ /^[^:]+:guest_/) { + return 'A'; + } + return ''; +} + +sub get_portfolio_access { + my ($udom,$unum,$file_name,$group,$access_hash) = @_; + + if (!ref($access_hash)) { + my $current_perms = &get_portfile_permissions($udom,$unum); + my %access_controls = &get_access_controls($current_perms,$group, + $file_name); + $access_hash = $access_controls{$file_name}; + } + + my ($public,$guest,@domains,@users,@courses,@groups); + my $now = time; + if (ref($access_hash) eq 'HASH') { + foreach my $key (keys(%{$access_hash})) { + my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($start > $now) { + next; + } + if ($end && $end<$now) { + next; + } + if ($scope eq 'public') { + $public = $key; + last; + } elsif ($scope eq 'guest') { + $guest = $key; + } elsif ($scope eq 'domains') { + push(@domains,$key); + } elsif ($scope eq 'users') { + push(@users,$key); + } elsif ($scope eq 'course') { + push(@courses,$key); + } elsif ($scope eq 'group') { + push(@groups,$key); + } + } + if ($public) { + return 'ok'; + } + if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { + if ($guest) { + return $guest; + } + } else { + if (@domains > 0) { + foreach my $domkey (@domains) { + if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') { + if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) { + return 'ok'; + } + } + } + } + if (@users > 0) { + foreach my $userkey (@users) { + if (exists($access_hash->{$userkey}{'users'}{$env{'user.name'}.':'.$env{'user.domain'}})) { + return 'ok'; + } + } + } + my %roleshash; + my @courses_and_groups = @courses; + push(@courses_and_groups,@groups); + if (@courses_and_groups > 0) { + my (%allgroups,%allroles); + my ($start,$end,$role,$sec,$group); + foreach my $envkey (%env) { + if ($envkey =~ m-^user\.role\.(gr|cc|in|ta|ep|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) { + my $cid = $2.'_'.$3; + if ($1 eq 'gr') { + $group = $4; + $allgroups{$cid}{$group} = $env{$envkey}; + } else { + if ($4 eq '') { + $sec = 'none'; + } else { + $sec = $4; + } + $allroles{$cid}{$1}{$sec} = $env{$envkey}; + } + } elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) { + my $cid = $2.'_'.$3; + if ($4 eq '') { + $sec = 'none'; + } else { + $sec = $4; + } + $allroles{$cid}{$1}{$sec} = $env{$envkey}; + } + } + if (keys(%allroles) == 0) { + return; + } + foreach my $key (@courses_and_groups) { + my %content = %{$$access_hash{$key}}; + my $cnum = $content{'number'}; + my $cdom = $content{'domain'}; + my $cid = $cdom.'_'.$cnum; + if (!exists($allroles{$cid})) { + next; + } + foreach my $role_id (keys(%{$content{'roles'}})) { + my @sections = @{$content{'roles'}{$role_id}{'section'}}; + my @groups = @{$content{'roles'}{$role_id}{'group'}}; + my @status = @{$content{'roles'}{$role_id}{'access'}}; + my @roles = @{$content{'roles'}{$role_id}{'role'}}; + foreach my $role (keys(%{$allroles{$cid}})) { + if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) { + foreach my $sec (keys(%{$allroles{$cid}{$role}})) { + if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') { + if (grep/^all$/,@sections) { + return 'ok'; + } else { + if (grep/^$sec$/,@sections) { + return 'ok'; + } + } + } + } + if (keys(%{$allgroups{$cid}}) == 0) { + if (grep/^none$/,@groups) { + return 'ok'; + } + } else { + if (grep/^all$/,@groups) { + return 'ok'; + } + foreach my $group (keys(%{$allgroups{$cid}})) { + if (grep/^$group$/,@groups) { + return 'ok'; + } + } + } + } + } + } + } + } + if ($guest) { + return $guest; + } + } + } + return; +} + +sub course_group_datechecker { + my ($dates,$now,$status) = @_; + my ($start,$end) = split(/\./,$dates); + if (!$start && !$end) { + return 'ok'; + } + if (grep/^active$/,@{$status}) { + if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) { + return 'ok'; + } + } + if (grep/^previous$/,@{$status}) { + if ($end > $now ) { + return 'ok'; + } + } + if (grep/^future$/,@{$status}) { + if ($start > $now) { + return 'ok'; + } + } + return; +} + +sub parse_portfolio_url { + my ($url) = @_; + + my ($type,$udom,$unum,$group,$file_name); + + if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) { + $type = 1; + $udom = $1; + $unum = $2; + $file_name = $3; + } elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) { + $type = 2; + $udom = $1; + $unum = $2; + $group = $3; + $file_name = $3.'/'.$4; + } + if (wantarray) { + return ($type,$udom,$unum,$file_name,$group); + } + return $type; +} + +sub is_portfolio_url { + my ($url) = @_; + return scalar(&parse_portfolio_url($url)); +} + +sub is_portfolio_file { + my ($file) = @_; + if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) { + return 1; + } + return; +} + + # ---------------------------------------------- Custom access rule evaluation sub customaccess { my ($priv,$uri)=@_; - my ($urole,$urealm)=split(/\./,$ENV{'request.role'}); - $urealm=~s/^\W//; - my ($udom,$ucrs,$usec)=split(/\//,$urealm); + my ($urole,$urealm)=split(/\./,$env{'request.role'},2); + my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm); + $udom = &LONCAPA::clean_domain($udom); + $ucrs = &LONCAPA::clean_username($ucrs); my $access=0; - foreach (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { - my ($effect,$realm,$role)=split(/\:/,$_); + foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { + my ($effect,$realm,$role)=split(/\:/,$right); if ($role) { if ($role ne $urole) { next; } } - foreach (split(/\s*\,\s*/,$realm)) { - my ($tdom,$tcrs,$tsec)=split(/\_/,$_); + foreach my $scope (split(/\s*\,\s*/,$realm)) { + my ($tdom,$tcrs,$tsec)=split(/\_/,$scope); if ($tdom) { if ($tdom ne $udom) { next; } } @@ -2427,39 +3672,89 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri)=@_; + my ($priv,$uri,$symb,$role)=@_; + my $ver_orguri=$uri; $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); - if (defined($ENV{'allowed.'.$priv})) { return $ENV{'allowed.'.$priv}; } -# Free bre access to adm and meta resources + if ($priv eq 'evb') { +# Evade communication block restrictions for specified role in a course + if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) { + return $1; + } else { + return; + } + } - if ((($uri=~/^adm\//) || ($uri=~/\.meta$/)) && ($priv eq 'bre')) { + if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; } +# Free bre access to adm and meta resources + if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard)$})) + || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) + && ($priv eq 'bre')) { return 'F'; } +# Free bre access to user's own portfolio contents + my ($space,$domain,$name,@dir)=split('/',$uri); + if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) && + ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) { + my %setters; + my ($startblock,$endblock) = + &Apache::loncommon::blockcheck(\%setters,'port'); + if ($startblock && $endblock) { + return 'B'; + } else { + return 'F'; + } + } + +# bre access to group portfolio for rgf priv in group, or mdg or vcg in course. + if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups') + && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) { + if (exists($env{'request.course.id'})) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + if (($domain eq $cdom) && ($name eq $cnum)) { + my $courseprivid=$env{'request.course.id'}; + $courseprivid=~s/\_/\//; + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid + .'/'.$dir[1]} =~/rgf\&([^\:]*)/) { + return $1; + } else { + if ($env{'request.course.sec'}) { + $courseprivid.='/'.$env{'request.course.sec'}; + } + if ($env{'user.priv.'.$env{'request.role'}.'./'. + $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) { + return $2; + } + } + } + } + } + # Free bre to public access if ($priv eq 'bre') { my $copyright=&metadata($uri,'copyright'); - if (($copyright eq 'public') && (!$ENV{'request.course.id'})) { + if (($copyright eq 'public') && (!$env{'request.course.id'})) { return 'F'; } if ($copyright eq 'priv') { $uri=~/([^\/]+)\/([^\/]+)\//; - unless (($ENV{'user.name'} eq $2) && ($ENV{'user.domain'} eq $1)) { + unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) { return ''; } } if ($copyright eq 'domain') { $uri=~/([^\/]+)\/([^\/]+)\//; - unless (($ENV{'user.domain'} eq $1) || - ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $1)) { + unless (($env{'user.domain'} eq $1) || + ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) { return ''; } } - if ($ENV{'request.role'}=~ /li\.\//) { + if ($env{'request.role'}=~ /li\.\//) { # Library role, so allow browsing of resources in this domain. return 'F'; } @@ -2468,11 +3763,11 @@ sub allowed { } } # Domain coordinator is trying to create a course - if (($priv eq 'ccc') && ($ENV{'request.role'} =~ /^dc\./)) { + if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) { # uri is the requested domain in this case. # comparison to 'request.role.domain' shows if the user has selected - # a role of dc for the domain in question. - return 'F' if ($uri eq $ENV{'request.role.domain'}); + # a role of dc for the domain in question. + return 'F' if ($uri eq $env{'request.role.domain'}); } my $thisallowed=''; @@ -2481,14 +3776,14 @@ sub allowed { # Course - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'}=~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } # Domain - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } @@ -2497,17 +3792,44 @@ sub allowed { $courseuri=~s/\_(\d)/\/$1/; $courseuri=~s/^([^\/])/\/$1/; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'.'.$courseuri} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; } -# URI is an uploaded document for this course +# URI is an uploaded document for this course, default permissions don't matter +# not allowing 'edit' access (editupload) to uploaded course docs + if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) { + $thisallowed=''; + my ($match)=&is_on_map($uri); + if ($match) { + if ($env{'user.priv.'.$env{'request.role'}.'./'} + =~/\Q$priv\E\&([^\:]*)/) { + $thisallowed.=$1; + } + } else { + my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; + if ($refuri) { + if ($refuri =~ m|^/adm/|) { + $thisallowed='F'; + } else { + $refuri=&declutter($refuri); + my ($match) = &is_on_map($refuri); + if ($match) { + $thisallowed='F'; + } + } + } + } + } - if (($priv eq 'bre') && - ($uri=~/^uploaded\/$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}\/$ENV{'course.'.$ENV{'request.course.id'}.'.num'}/)) { - return 'F'; + if ($priv eq 'bre' + && $thisallowed ne 'F' + && $thisallowed ne '2' + && &is_portfolio_url($uri)) { + $thisallowed = &portfolio_access($uri); } + # Full access at system, domain or course-wide level? Exit. if ($thisallowed=~/F/) { @@ -2516,7 +3838,16 @@ sub allowed { # If this is generating or modifying users, exit with special codes - if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:'=~/\:$priv\:/) { + if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) { + if (($priv eq 'cca') || ($priv eq 'caa')) { + my ($audom,$auname)=split('/',$uri); +# no author name given, so this just checks on the general right to make a co-author in this domain + unless ($auname) { return $thisallowed; } +# an author name is given, so we are about to actually make a co-author for a certain account + if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) || + (($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) && + ($audom ne $env{'request.role.domain'}))) { return ''; } + } return $thisallowed; } # @@ -2525,35 +3856,35 @@ sub allowed { # Course: See if uri or referer is an individual resource that is part of # the course - if ($ENV{'request.course.id'}) { + if ($env{'request.course.id'}) { - $courseprivid=$ENV{'request.course.id'}; - if ($ENV{'request.course.sec'}) { - $courseprivid.='/'.$ENV{'request.course.sec'}; + $courseprivid=$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $courseprivid.='/'.$env{'request.course.sec'}; } $courseprivid=~s/\_/\//; my $checkreferer=1; my ($match,$cond)=&is_on_map($uri); if ($match) { $statecond=$cond; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; $checkreferer=0; } } if ($checkreferer) { - my $refuri=$ENV{'httpref.'.$orguri}; + my $refuri=$env{'httpref.'.$orguri}; unless ($refuri) { - foreach (keys %ENV) { - if ($_=~/^httpref\..*\*/) { - my $pattern=$_; + foreach my $key (keys(%env)) { + if ($key=~/^httpref\..*\*/) { + my $pattern=$key; $pattern=~s/^httpref\.\/res\///; $pattern=~s/\*/\[\^\/\]\+/g; $pattern=~s/\//\\\//g; if ($orguri=~/$pattern/) { - $refuri=$ENV{$_}; + $refuri=$env{$key}; } } } @@ -2564,8 +3895,8 @@ sub allowed { my ($match,$cond)=&is_on_map($refuri); if ($match) { my $refstatecond=$cond; - if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} - =~/$priv\&([^\:]*)/) { + if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} + =~/\Q$priv\E\&([^\:]*)/) { $thisallowed.=$1; $uri=$refuri; $statecond=$refstatecond; @@ -2604,39 +3935,39 @@ sub allowed { my $envkey; if ($thisallowed=~/L/) { - foreach $envkey (keys %ENV) { + foreach $envkey (keys %env) { if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) { my $courseid=$2; my $roleid=$1.'.'.$2; $courseid=~s/^\///; my $expiretime=600; - if ($ENV{'request.role'} eq $roleid) { + if ($env{'request.role'} eq $roleid) { $expiretime=120; } my ($cdom,$cnum,$csec)=split(/\//,$courseid); my $prefix='course.'.$cdom.'_'.$cnum.'.'; - if ((time-$ENV{$prefix.'last_cache'})>$expiretime) { - &coursedescription($courseid); + if ((time-$env{$prefix.'last_cache'})>$expiretime) { + &coursedescription($courseid,{'freshen_cache' => 1}); } - if (($ENV{$prefix.'res.'.$uri.'.lock.sections'}=~/\,$csec\,/) - || ($ENV{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { - if ($ENV{$prefix.'res.'.$uri.'.lock.expire'}>time) { - &log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, + if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/) + || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { + if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) { + &log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, 'Locked by res: '.$priv.' for '.$uri.' due to '. $cdom.'/'.$cnum.'/'.$csec.' expire '. - $ENV{$prefix.'priv.'.$priv.'.lock.expire'}); + $env{$prefix.'priv.'.$priv.'.lock.expire'}); return ''; } } - if (($ENV{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,$csec\,/) - || ($ENV{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { - if ($ENV{'priv.'.$priv.'.lock.expire'}>time) { - &log($ENV{'user.domain'},$ENV{'user.name'}, - $ENV{'user.home'}, + if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/) + || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { + if ($env{'priv.'.$priv.'.lock.expire'}>time) { + &log($env{'user.domain'},$env{'user.name'}, + $env{'user.home'}, 'Locked by priv: '.$priv.' for '.$uri.' due to '. $cdom.'/'.$cnum.'/'.$csec.' expire '. - $ENV{$prefix.'priv.'.$priv.'.lock.expire'}); + $env{$prefix.'priv.'.$priv.'.lock.expire'}); return ''; } } @@ -2648,8 +3979,14 @@ sub allowed { # Rest of the restrictions depend on selected course # - unless ($ENV{'request.course.id'}) { - return '1'; + unless ($env{'request.course.id'}) { + if ($thisallowed eq 'A') { + return 'A'; + } elsif ($thisallowed eq 'B') { + return 'B'; + } else { + return '1'; + } } # @@ -2660,21 +3997,25 @@ sub allowed { # Course preferences if ($thisallowed=~/C/) { - my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; - my $unamedom=$ENV{'user.name'}.':'.$ENV{'user.domain'}; - if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'} - =~/$rolecode/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. - $ENV{'request.course.id'}); + my $rolecode=(split(/\./,$env{'request.role'}))[0]; + my $unamedom=$env{'user.name'}.':'.$env{'user.domain'}; + if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'} + =~/\Q$rolecode\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. + 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. + $env{'request.course.id'}); + } return ''; } - if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.users.denied'} - =~/$unamedom/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. - $ENV{'request.course.id'}); + if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} + =~/\Q$unamedom\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. + 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. + $env{'request.course.id'}); + } return ''; } } @@ -2682,20 +4023,22 @@ sub allowed { # Resource preferences if ($thisallowed=~/R/) { - my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; - if (&metadata($uri,'roledeny')=~/$rolecode/) { - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, - 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); - return ''; + my $rolecode=(split(/\./,$env{'request.role'}))[0]; + if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { + if ($priv ne 'pch') { + &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. + 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); + } + return ''; } } # Restricted by state or randomout? if ($thisallowed=~/X/) { - if ($ENV{'acc.randomout'}) { - my $symb=&symbread($uri,1); - if (($symb) && ($ENV{'acc.randomout'}=~/\&$symb\&/)) { + if ($env{'acc.randomout'}) { + if (!$symb) { $symb=&symbread($uri,1); } + if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) { return ''; } } @@ -2706,21 +4049,27 @@ sub allowed { } } + if ($thisallowed eq 'A') { + return 'A'; + } elsif ($thisallowed eq 'B') { + return 'B'; + } return 'F'; } +sub split_uri_for_cond { + my $uri=&deversion(&declutter(shift)); + my @uriparts=split(/\//,$uri); + my $filename=pop(@uriparts); + my $pathname=join('/',@uriparts); + return ($pathname,$filename); +} # --------------------------------------------------- Is a resource on the map? sub is_on_map { - my $uri=&declutter(shift); - $uri=~s/\.\d+\.(\w+)$/\.$1/; - my @uriparts=split(/\//,$uri); - my $filename=$uriparts[$#uriparts]; - my $pathname=$uri; - $pathname=~s|/\Q$filename\E$||; - $pathname=~s/^adm\/wrapper\///; + my ($pathname,$filename) = &split_uri_for_cond(shift); #Trying to find the conditional for the file - my $match=($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ + my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~ /\&\Q$filename\E\:([\d\|]+)\&/); if ($match) { return (1,$1); @@ -2739,7 +4088,7 @@ sub get_symb_from_alias { # Must be an alias my $aliassymb=''; my %bighash; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { my $rid=$bighash{'mapalias_'.$symb}; if ($rid) { @@ -2757,38 +4106,38 @@ sub get_symb_from_alias { sub definerole { if (allowed('mcr','/')) { my ($rolename,$sysrole,$domrole,$courole)=@_; - foreach (split(':',$sysrole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } - if ($pr{'cr:s'}=~/$crole\&/) { - if ($pr{'cr:s'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$sysrole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; } + if ($pr{'cr:s'}=~/\Q$crole\E\&/) { + if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { return "refused:s:$crole&$cqual"; } } } - foreach (split(':',$domrole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } - if ($pr{'cr:d'}=~/$crole\&/) { - if ($pr{'cr:d'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$domrole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; } + if ($pr{'cr:d'}=~/\Q$crole\E\&/) { + if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) { return "refused:d:$crole&$cqual"; } } } - foreach (split(':',$courole)) { - my ($crole,$cqual)=split(/\&/,$_); - if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } - if ($pr{'cr:c'}=~/$crole\&/) { - if ($pr{'cr:c'}!~/$crole\&\w*$cqual/) { + foreach my $role (split(':',$courole)) { + my ($crole,$cqual)=split(/\&/,$role); + if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; } + if ($pr{'cr:c'}=~/\Q$crole\E\&/) { + if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { return "refused:c:$crole&$cqual"; } } } - my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". - "$ENV{'user.domain'}:$ENV{'user.name'}:". + my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". + "$env{'user.domain'}:$env{'user.name'}:". "rolesdef_$rolename=". escape($sysrole.'_'.$domrole.'_'.$courole); - return reply($command,$ENV{'user.home'}); + return reply($command,$env{'user.home'}); } else { return 'refused'; } @@ -2823,13 +4172,94 @@ sub log_query { my $uhome=&homeserver($uname,$udom); if ($uhome eq 'no_host') { return 'error: no_host'; } my $uhost=$hostname{$uhome}; - my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys %filters)); + my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters))); my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command, $uhome); - unless ($queryid=~/^$uhost\_/) { return 'error: '.$queryid; } + unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; } return get_query_reply($queryid); } +# -------------------------- Update MySQL table for portfolio file + +sub update_portfolio_table { + my ($uname,$udom,$file_name,$query,$group,$action) = @_; + my $homeserver = &homeserver($uname,$udom); + my $queryid= + &reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group). + ':'.&escape($file_name).':'.$action,$homeserver); + my $reply = &get_query_reply($queryid); + return $reply; +} + +# ------- Request retrieval of institutional classlists for course(s) + +sub fetch_enrollment_query { + my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; + my $homeserver; + my $maxtries = 1; + if ($context eq 'automated') { + $homeserver = $perlvar{'lonHostID'}; + $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout + } else { + $homeserver = &homeserver($cnum,$dom); + } + my $host=$hostname{$homeserver}; + my $cmd = ''; + foreach my $affiliate (keys %{$affiliatesref}) { + $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; + } + $cmd =~ s/%%$//; + $cmd = &escape($cmd); + my $query = 'fetchenrollment'; + my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver); + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); + return 'error: '.$queryid; + } + my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split/:/,$reply; + if ($homeserver eq $perlvar{'lonHostID'}) { + foreach my $line (@responses) { + my ($key,$value) = split(/=/,$line,2); + $$replyref{$key} = $value; + } + } else { + my $pathname = $perlvar{'lonDaemons'}.'/tmp'; + foreach my $line (@responses) { + my ($key,$value) = split(/=/,$line); + $$replyref{$key} = $value; + if ($value > 0) { + foreach my $item (@{$$affiliatesref{$key}}) { + my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml'; + my $destname = $pathname.'/'.$filename; + my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver); + if ($xml_classlist =~ /^error/) { + &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); + } else { + if ( open(FILE,">$destname") ) { + print FILE &unescape($xml_classlist); + close(FILE); + } else { + &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum); + } + } + } + } + } + } + return 'ok'; + } + return 'error'; +} + sub get_query_reply { my $queryid=shift; my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; @@ -2837,9 +4267,9 @@ sub get_query_reply { for (1..100) { sleep 2; if (-e $replyfile.'.end') { - if (my $fh=Apache::File->new($replyfile)) { + if (open(my $fh,$replyfile)) { $reply.=<$fh>; - $fh->close; + close($fh); } else { return 'error: reply_file_error'; } return &unescape($reply); } @@ -2858,14 +4288,14 @@ sub courselog_query { # end: timestamp # my (%filters)=@_; - unless ($ENV{'request.course.id'}) { return 'no_course'; } + unless ($env{'request.course.id'}) { return 'no_course'; } if ($filters{'url'}) { $filters{'url'}=&symbclean(&declutter($filters{'url'})); $filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/; $filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/; } - my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; return &log_query($cname,$cdom,'courselog',%filters); } @@ -2874,11 +4304,373 @@ sub userlog_query { return &log_query($uname,$udom,'userlog',%filters); } +#--------- Call auto-enrollment subs in localenroll.pm for homeserver for course + +sub auto_run { + my ($cnum,$cdom) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response = &reply('autorun:'.$cdom,$homeserver); + return $response; +} + +sub auto_get_sections { + my ($cnum,$cdom,$inst_coursecode) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my @secs = (); + my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); + unless ($response eq 'refused') { + @secs = split/:/,$response; + } + return @secs; +} + +sub auto_new_course { + my ($cnum,$cdom,$inst_course_id,$owner) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); + return $response; +} + +sub auto_validate_courseID { + my ($cnum,$cdom,$inst_course_id) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver)); + return $response; +} + +sub auto_create_password { + my ($cnum,$cdom,$authparam) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $create_passwd = 0; + my $authchk = ''; + my $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver)); + if ($response eq 'refused') { + $authchk = 'refused'; + } else { + ($authparam,$create_passwd,$authchk) = split/:/,$response; + } + return ($authparam,$create_passwd,$authchk); +} + +sub auto_photo_permission { + my ($cnum,$cdom,$students) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($outcome,$perm_reqd,$conditions) = + split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($outcome,$perm_reqd,$conditions); +} + +sub auto_checkphotos { + my ($uname,$udom,$pid) = @_; + my $homeserver = &homeserver($uname,$udom); + my ($result,$resulttype); + my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'. + &escape($uname).':'.&escape($pid), + $homeserver)); + if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + if ($outcome) { + ($result,$resulttype) = split(/:/,$outcome); + } + return ($result,$resulttype); +} + +sub auto_photochoice { + my ($cnum,$cdom) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'. + &escape($cdom), + $homeserver))); + if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) { + return (undef,undef); + } + return ($update,$comment); +} + +sub auto_photoupdate { + my ($affiliatesref,$dom,$cnum,$photo) = @_; + my $homeserver = &homeserver($cnum,$dom); + my $host=$hostname{$homeserver}; + my $cmd = ''; + my $maxtries = 1; + foreach my $affiliate (keys(%{$affiliatesref})) { + $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; + } + $cmd =~ s/%%$//; + $cmd = &escape($cmd); + my $query = 'institutionalphotos'; + my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver); + unless ($queryid=~/^\Q$host\E\_/) { + &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum); + return 'error: '.$queryid; + } + my $reply = &get_query_reply($queryid); + my $tries = 1; + while (($reply=~/^timeout/) && ($tries < $maxtries)) { + $reply = &get_query_reply($queryid); + $tries ++; + } + if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { + &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); + } else { + my @responses = split(/:/,$reply); + my $outcome = shift(@responses); + foreach my $item (@responses) { + my ($key,$value) = split(/=/,$item); + $$photo{$key} = $value; + } + return $outcome; + } + return 'error'; +} + +sub auto_instcode_format { + my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles, + $cat_order) = @_; + my $courses = ''; + my @homeservers; + if ($caller eq 'global') { + foreach my $tryserver (keys(%libserv)) { + if ($hostdom{$tryserver} eq $codedom) { + if (!grep(/^\Q$tryserver\E$/,@homeservers)) { + push(@homeservers,$tryserver); + } + } + } + } else { + push(@homeservers,&homeserver($caller,$codedom)); + } + foreach my $code (keys(%{$instcodes})) { + $courses .= &escape($code).'='.&escape($$instcodes{$code}).'&'; + } + chop($courses); + my $ok_response = 0; + my $response; + while (@homeservers > 0 && $ok_response == 0) { + my $server = shift(@homeservers); + $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server); + if ($response !~ /(con_lost|error|no_such_host|refused)/) { + my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = + split/:/,$response; + %{$codes} = (%{$codes},&str2hash($codes_str)); + push(@{$codetitles},&str2array($codetitles_str)); + %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str)); + %{$cat_order} = (%{$cat_order},&str2hash($cat_order_str)); + $ok_response = 1; + } + } + if ($ok_response) { + return 'ok'; + } else { + return $response; + } +} + +sub auto_instcode_defaults { + my ($domain,$returnhash,$code_order) = @_; + my @homeservers; + foreach my $tryserver (keys(%libserv)) { + if ($hostdom{$tryserver} eq $domain) { + if (!grep(/^\Q$tryserver\E$/,@homeservers)) { + push(@homeservers,$tryserver); + } + } + } + my $ok_response = 0; + my $response; + while (@homeservers > 0 && $ok_response == 0) { + my $server = shift(@homeservers); + $response=&reply('autoinstcodedefaults:'.$domain,$server); + if ($response !~ /(con_lost|error|no_such_host|refused)/) { + foreach my $pair (split(/\&/,$response)) { + my ($name,$value)=split(/\=/,$pair); + if ($name eq 'code_order') { + @{$code_order} = split(/\&/,&unescape($value)); + } else { + $returnhash->{&unescape($name)}=&unescape($value); + } + } + $ok_response = 1; + } + } + if ($ok_response) { + return 'ok'; + } else { + return $response; + } +} + +sub auto_validate_class_sec { + my ($cdom,$cnum,$owner,$inst_class) = @_; + my $homeserver = &homeserver($cnum,$cdom); + my $response=&reply('autovalidateclass_sec:'.$inst_class.':'. + &escape($owner).':'.$cdom,$homeserver); + return $response; +} + +# ------------------------------------------------------- Course Group routines + +sub get_coursegroups { + my ($cdom,$cnum,$group,$namespace) = @_; + return(&dump($namespace,$cdom,$cnum,$group)); +} + +sub modify_coursegroup { + my ($cdom,$cnum,$groupsettings) = @_; + return(&put('coursegroups',$groupsettings,$cdom,$cnum)); +} + +sub toggle_coursegroup_status { + my ($cdom,$cnum,$group,$action) = @_; + my ($from_namespace,$to_namespace); + if ($action eq 'delete') { + $from_namespace = 'coursegroups'; + $to_namespace = 'deleted_groups'; + } else { + $from_namespace = 'deleted_groups'; + $to_namespace = 'coursegroups'; + } + my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace); + if (my $tmp = &error(%curr_group)) { + &Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom); + return ('read error',$tmp); + } else { + my %savedsettings = %curr_group; + my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum); + my $deloutcome; + if ($result eq 'ok') { + $deloutcome = &del($from_namespace,[$group],$cdom,$cnum); + } else { + return ('write error',$result); + } + if ($deloutcome eq 'ok') { + return 'ok'; + } else { + return ('delete error',$deloutcome); + } + } +} + +sub modify_group_roles { + my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs) = @_; + my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id; + my $role = 'gr/'.&escape($userprivs); + my ($uname,$udom) = split(/:/,$user); + my $result = &assignrole($udom,$uname,$url,$role,$end,$start); + if ($result eq 'ok') { + &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum); + } + return $result; +} + +sub modify_coursegroup_membership { + my ($cdom,$cnum,$membership) = @_; + my $result = &put('groupmembership',$membership,$cdom,$cnum); + return $result; +} + +sub get_active_groups { + my ($udom,$uname,$cdom,$cnum) = @_; + my $now = time; + my %groups = (); + foreach my $key (keys(%env)) { + if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) { + my ($start,$end) = split(/\./,$env{$key}); + if (($end!=0) && ($end<$now)) { next; } + if (($start!=0) && ($start>$now)) { next; } + if ($1 eq $cdom && $2 eq $cnum) { + $groups{$3} = $env{$key} ; + } + } + } + return %groups; +} + +sub get_group_membership { + my ($cdom,$cnum,$group) = @_; + return(&dump('groupmembership',$cdom,$cnum,$group)); +} + +sub get_users_groups { + my ($udom,$uname,$courseid) = @_; + my @usersgroups; + my $cachetime=1800; + + my $hashid="$udom:$uname:$courseid"; + my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid); + if (defined($cached)) { + @usersgroups = split(/:/,$grouplist); + } else { + $grouplist = ''; + my $courseurl = &courseid_to_courseurl($courseid); + my %roleshash = &dump('roles',$udom,$uname,$courseurl); + my $access_end = $env{'course.'.$courseid. + '.default_enrollment_end_date'}; + my $now = time; + foreach my $key (keys(%roleshash)) { + if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) { + my $group = $1; + if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) { + my $start = $2; + my $end = $1; + if ($start == -1) { next; } # deleted from group + if (($start!=0) && ($start>$now)) { next; } + if (($end!=0) && ($end<$now)) { + if ($access_end && $access_end < $now) { + if ($access_end - $end < 86400) { + push(@usersgroups,$group); + } + } + next; + } + push(@usersgroups,$group); + } + } + } + @usersgroups = &sort_course_groups($courseid,@usersgroups); + $grouplist = join(':',@usersgroups); + &do_cache_new('getgroups',$hashid,$grouplist,$cachetime); + } + return @usersgroups; +} + +sub devalidate_getgroups_cache { + my ($udom,$uname,$cdom,$cnum)=@_; + my $courseid = $cdom.'_'.$cnum; + + my $hashid="$udom:$uname:$courseid"; + &devalidate_cache_new('getgroups',$hashid); +} + # ------------------------------------------------------------------ Plain Text sub plaintext { - my $short=shift; - return &mt($prp{$short}); + my ($short,$type,$cid) = @_; + if ($short =~ /^cr/) { + return (split('/',$short))[-1]; + } + if (!defined($cid)) { + $cid = $env{'request.course.id'}; + } + if (defined($cid) && defined($env{'course.'.$cid.'.'.$short.'.plaintext'})) { + return &Apache::lonlocal::mt($env{'course.'.$cid.'.'.$short. + '.plaintext'}); + } + my %rolenames = ( + Course => 'std', + Group => 'alt1', + ); + if (defined($type) && + defined($rolenames{$type}) && + defined($prp{$short}{$rolenames{$type}})) { + return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}}); + } else { + return &Apache::lonlocal::mt($prp{$short}{'std'}); + } } # ----------------------------------------------------------------- Assign Role @@ -2888,26 +4680,36 @@ sub assignrole { my $mrole; if ($role =~ /^cr\//) { my $cwosec=$url; - $cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; + $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; unless (&allowed('ccr',$cwosec)) { &logthis('Refused custom assignrole: '. $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); + $env{'user.name'}.' at '.$env{'user.domain'}); return 'refused'; } $mrole='cr'; + } elsif ($role =~ /^gr\//) { + my $cwogrp=$url; + $cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2}; + unless (&allowed('mdg',$cwogrp)) { + &logthis('Refused group assignrole: '. + $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. + $env{'user.name'}.' at '.$env{'user.domain'}); + return 'refused'; + } + $mrole='gr'; } else { my $cwosec=$url; - $cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; + $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/; unless ((&allowed('c'.$role,$cwosec)) || &allowed('c'.$role,$udom)) { &logthis('Refused assignrole: '. $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); + $env{'user.name'}.' at '.$env{'user.domain'}); return 'refused'; } $mrole=$role; } - my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". + my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:". "$udom:$uname:$url".'_'."$mrole=$role"; if ($end) { $command.='_'.$end; } if ($start) { @@ -2917,13 +4719,15 @@ sub assignrole { $command.='_0_'.$start; } } + my $origstart = $start; + my $origend = $end; # actually delete if ($deleteflag) { if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) { # modify command to delete the role - $command="encrypt:rolesdel:$ENV{'user.domain'}:$ENV{'user.name'}:". + $command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:". "$udom:$uname:$url".'_'."$mrole"; - &logthis("$ENV{'user.name'} at $ENV{'user.domain'} deletes $mrole in $url for $uname at $udom"); + &logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom"); # set start and finish to negative values for userrolelog $start=-1; $end=-1; @@ -2933,7 +4737,12 @@ sub assignrole { my $answer=&reply($command,&homeserver($uname,$udom)); # log new user role if status is ok if ($answer eq 'ok') { - &userrolelog($mrole,$uname,$udom,$url,$start,$end); + &userrolelog($role,$uname,$udom,$url,$start,$end); +# for course roles, perform group memberships changes triggered by role change. + unless ($role =~ /^gr/) { + &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, + $origstart); + } } return $answer; } @@ -2946,16 +4755,16 @@ sub modifyuserauth { my $uhome=&homeserver($uname,$udom); unless (&allowed('mau',$udom)) { return 'refused'; } &logthis('Call to modify user authentication '.$udom.', '.$uname.', '. - $umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' in domain '.$ENV{'request.role.domain'}); + $umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}. + ' in domain '.$env{'request.role.domain'}); my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. &escape($upass),$uhome); - &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'}, 'Authentication changed for '.$udom.', '.$uname.', '.$umode. '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); &log($udom,,$uname,$uhome, - 'Authentication changed by '.$ENV{'user.domain'}.', '. - $ENV{'user.name'}.', '.$umode. + 'Authentication changed by '.$env{'user.domain'}.', '. + $env{'user.name'}.', '.$umode. '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); unless ($reply eq 'ok') { &logthis('Authentication mode error: '.$reply); @@ -2971,15 +4780,15 @@ sub modifyuser { $umode, $upass, $first, $middle, $last, $gene, $forceid, $desiredhome, $email)=@_; - $udom=~s/\W//g; - $uname=~s/\W//g; + $udom= &LONCAPA::clean_domain($udom); + $uname=&LONCAPA::clean_username($uname); &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. $last.', '.$gene.'(forceid: '.$forceid.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). - ' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. - ' in domain '.$ENV{'request.role.domain'}); + ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. + ' in domain '.$env{'request.role.domain'}); my $uhome=&homeserver($uname,$udom,'true'); # ----------------------------------------------------------------- Create User if (($uhome eq 'no_host') && @@ -2987,8 +4796,8 @@ sub modifyuser { my $unhome=''; if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) { $unhome = $desiredhome; - } elsif($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { - $unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) { + $unhome=$env{'course.'.$env{'request.course.id'}.'.home'}; } else { # load balancing routine for determining $unhome my $tryserver; my $loadm=10000000; @@ -3048,15 +4857,19 @@ sub modifyuser { if (defined($middle)) { $names{'middlename'} = $middle; } if ($last) { $names{'lastname'} = $last; } if (defined($gene)) { $names{'generation'} = $gene; } - if ($email) { $names{'notification'} = $email; - $names{'critnotification'} = $email; } - + if ($email) { + $email=~s/[^\w\@\.\-\,]//gs; + if ($email=~/\@/) { $names{'notification'} = $email; + $names{'critnotification'} = $email; + $names{'permanentemail'} = $email; } + } my $reply = &put('environment', \%names, $udom,$uname); if ($reply ne 'ok') { return 'error: '.$reply; } + &devalidate_cache_new('namescache',$uname.':'.$udom); &logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. $last.', '.$gene.' by '. - $ENV{'user.name'}.' at '.$ENV{'user.domain'}); + $env{'user.name'}.' at '.$env{'user.domain'}); return 'ok'; } @@ -3064,10 +4877,11 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, - $end,$start,$forceid,$desiredhome,$email)=@_; - my $cid=''; - unless ($cid=$ENV{'request.course.id'}) { - return 'not_in_class'; + $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid)=@_; + if (!$cid) { + unless ($cid=$env{'request.course.id'}) { + return 'not_in_class'; + } } # --------------------------------------------------------------- Make the user my $reply=&modifyuser @@ -3077,24 +4891,33 @@ sub modifystudent { # This will cause &modify_student_enrollment to get the uid from the # students environment $uid = undef if (!$forceid); - $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle, - $last,$gene,$usec,$end,$start); + $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, + $gene,$usec,$end,$start,$type,$locktype,$cid); return $reply; } sub modify_student_enrollment { - my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start) = @_; - # Get the course id from the environment - my $cid=''; - unless ($cid=$ENV{'request.course.id'}) { - return 'not_in_class'; + my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid) = @_; + my ($cdom,$cnum,$chome); + if (!$cid) { + unless ($cid=$env{'request.course.id'}) { + return 'not_in_class'; + } + $cdom=$env{'course.'.$cid.'.domain'}; + $cnum=$env{'course.'.$cid.'.num'}; + } else { + ($cdom,$cnum)=split(/_/,$cid); + } + $chome=$env{'course.'.$cid.'.home'}; + if (!$chome) { + $chome=&homeserver($cnum,$cdom); } + if (!$chome) { return 'unknown_course'; } # Make sure the user exists my $uhome=&homeserver($uname,$udom); if (($uhome eq '') || ($uhome eq 'no_host')) { return 'error: no such user'; } - # # Get student data if we were not given enough information if (!defined($first) || $first eq '' || !defined($last) || $last eq '' || @@ -3107,24 +4930,24 @@ sub modify_student_enrollment { ['firstname','middlename','lastname', 'generation','id'] ,$udom,$uname); - foreach (keys(%tmp)) { - &logthis("key $_ = ".$tmp{$_}); - } + #foreach my $key (keys(%tmp)) { + # &logthis("key $key = ".$tmp{$key}); + #} $first = $tmp{'firstname'} if (!defined($first) || $first eq ''); $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq ''); $last = $tmp{'lastname'} if (!defined($last) || $last eq ''); $gene = $tmp{'generation'} if (!defined($gene) || $gene eq ''); $uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); } - my $fullname = &Apache::loncoursedata::ProcessFullName($last,$gene, - $first,$middle); - my $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'. - $ENV{'course.'.$cid.'.num'}.':classlist:'. - &escape($uname.':'.$udom).'='. - &escape(join(':',$end,$start,$uid,$usec,$fullname)), - $ENV{'course.'.$cid.'.home'}); + my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); + my $reply=cput('classlist', + {"$uname:$udom" => + join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, + $cdom,$cnum); unless (($reply eq 'ok') || ($reply eq 'delayed')) { return 'error: '.$reply; + } else { + &devalidate_getsection_cache($udom,$uname,$cid); } # Add student role to user my $uurl='/'.$cid; @@ -3135,6 +4958,25 @@ sub modify_student_enrollment { return &assignrole($udom,$uname,$uurl,'st',$end,$start); } +sub format_name { + my ($firstname,$middlename,$lastname,$generation,$first)=@_; + my $name; + if ($first ne 'lastname') { + $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation; + } else { + if ($lastname=~/\S/) { + $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename; + $name=~s/\s+,/,/; + } else { + $name.= $firstname.' '.$middlename.' '.$generation; + } + } + $name=~s/^\s+//; + $name=~s/\s+$//; + $name=~s/\s+/ /g; + return $name; +} + # ------------------------------------------------- Write to course preferences sub writecoursepref { @@ -3147,8 +4989,8 @@ sub writecoursepref { return 'error: no such course'; } my $cstring=''; - foreach (keys %prefs) { - $cstring.=escape($_).'='.escape($prefs{$_}).'&'; + foreach my $pref (keys(%prefs)) { + $cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&'; } $cstring=~s/\&$//; return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); @@ -3157,14 +4999,17 @@ sub writecoursepref { # ---------------------------------------------------------- Make/modify course sub createcourse { - my ($udom,$description,$url,$course_server,$nonstandard)=@_; + my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, + $course_owner,$crstype)=@_; $url=&declutter($url); my $cid=''; unless (&allowed('ccc',$udom)) { return 'refused'; } # ------------------------------------------------------------------- Create ID - my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). + my $uname=int(1+rand(9)). + ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. + substr($$.time,0,5).unpack("H8",pack("I32",time)). unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; # ----------------------------------------------- Make sure that does not exist my $uhome=&homeserver($uname,$udom,'true'); @@ -3177,7 +5022,7 @@ sub createcourse { } } # ------------------------------------------------ Check supplied server name - $course_server = $ENV{'user.homeserver'} if (! defined($course_server)); + $course_server = $env{'user.homeserver'} if (! defined($course_server)); if (! exists($libserv{$course_server})) { return 'error:bad server name '.$course_server; } @@ -3190,9 +5035,10 @@ sub createcourse { return 'error: no such course'; } # ----------------------------------------------------------------- Course made -# log existance - &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description), - $uhome); +# log existence + &courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). + ':'.&escape($inst_code).':'.&escape($course_owner).':'. + &escape($crstype),$uhome); &flushcourselogs(); # set toplevel url my $topurl=$url; @@ -3200,7 +5046,7 @@ sub createcourse { # ------------------------------------------ For standard courses, make top url my $mapurl=&clutter($url); if ($mapurl eq '/res/') { $mapurl=''; } - $ENV{'form.initmap'}=(< @@ -3210,7 +5056,7 @@ sub createcourse { ENDINITMAP $topurl=&declutter( - &finishuserfileupload($uname,$udom,$uhome,'initmap','default.sequence') + &finishuserfileupload($uname,$udom,'initmap','default.sequence') ); } # ----------------------------------------------------------- Write preferences @@ -3220,6 +5066,16 @@ ENDINITMAP return '/'.$udom.'/'.$uname; } +sub is_course { + my ($cdom,$cnum) = @_; + my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, + undef,'.'); + if (exists($courses{$cdom.'_'.$cnum})) { + return 1; + } + return 0; +} + # ---------------------------------------------------------- Assign Custom Role sub assigncustomrole { @@ -3245,6 +5101,426 @@ sub revokecustomrole { $deleteflag); } +# ------------------------------------------------------------ Disk usage +sub diskusage { + my ($udom,$uname,$directoryRoot)=@_; + $directoryRoot =~ s/\/$//; + my $listing=&reply('du:'.$directoryRoot,homeserver($uname,$udom)); + return $listing; +} + +sub is_locked { + my ($file_name, $domain, $user) = @_; + my @check; + my $is_locked; + push @check, $file_name; + my %locked = &get('file_permissions',\@check, + $env{'user.domain'},$env{'user.name'}); + my ($tmp)=keys(%locked); + if ($tmp=~/^error:/) { undef(%locked); } + + if (ref($locked{$file_name}) eq 'ARRAY') { + $is_locked = 'false'; + foreach my $entry (@{$locked{$file_name}}) { + if (ref($entry) eq 'ARRAY') { + $is_locked = 'true'; + last; + } + } + } else { + $is_locked = 'false'; + } +} + +sub declutter_portfile { + my ($file) = @_; + &logthis("got $file"); + $file =~ s-^(/portfolio/|portfolio/)-/-; + &logthis("ret $file"); + return $file; +} + +# ------------------------------------------------------------- Mark as Read Only + +sub mark_as_readonly { + my ($domain,$user,$files,$what) = @_; + my %current_permissions = &dump('file_permissions',$domain,$user); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + foreach my $file (@{$files}) { + $file = &declutter_portfile($file); + push(@{$current_permissions{$file}},$what); + } + &put('file_permissions',\%current_permissions,$domain,$user); + return; +} + +# ------------------------------------------------------------Save Selected Files + +sub save_selected_files { + my ($user, $path, @files) = @_; + my $filename = $user."savedfiles"; + my @other_files = &files_not_in_path($user, $path); + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + foreach my $file (@files) { + print (OUT $env{'form.currentpath'}.$file."\n"); + } + foreach my $file (@other_files) { + print (OUT $file."\n"); + } + close (OUT); + return 'ok'; +} + +sub clear_selected_files { + my ($user) = @_; + my $filename = $user."savedfiles"; + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + print (OUT undef); + close (OUT); + return ("ok"); +} + +sub files_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my %return_files; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line_in = ) { + chomp ($line_in); + my @paths_and_file = split (m!/!, $line_in); + my $file_part = pop (@paths_and_file); + my $path_part = join ('/', @paths_and_file); + $path_part.='/'; + my $path_and_file = $path_part.$file_part; + if ($path_part eq $path) { + $return_files{$file_part}= 'selected'; + } + } + close (IN); + return (\%return_files); +} + +# called in portfolio select mode, to show files selected NOT in current directory +sub files_not_in_path { + my ($user, $path) = @_; + my $filename = $user."savedfiles"; + my @return_files; + my $path_part; + open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line = ) { + #ok, I know it's clunky, but I want it to work + my @paths_and_file = split(m|/|, $line); + my $file_part = pop(@paths_and_file); + chomp($file_part); + my $path_part = join('/', @paths_and_file); + $path_part .= '/'; + my $path_and_file = $path_part.$file_part; + if ($path_part ne $path) { + push(@return_files, ($path_and_file)); + } + } + close(OUT); + return (@return_files); +} + +#----------------------------------------------Get portfolio file permissions + +sub get_portfile_permissions { + my ($domain,$user) = @_; + my %current_permissions = &dump('file_permissions',$domain,$user); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + return \%current_permissions; +} + +#---------------------------------------------Get portfolio file access controls + +sub get_access_controls { + my ($current_permissions,$group,$file) = @_; + my %access; + my $real_file = $file; + $file =~ s/\.meta$//; + if (defined($file)) { + if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) { + $access{$real_file}{$control} = $$current_permissions{$file."\0".$control}; + } + } + } else { + foreach my $key (keys(%{$current_permissions})) { + if ($key =~ /\0accesscontrol$/) { + if (defined($group)) { + if ($key !~ m-^\Q$group\E/-) { + next; + } + } + my ($fullpath) = split(/\0/,$key); + if (ref($$current_permissions{$key}) eq 'HASH') { + foreach my $control (keys(%{$$current_permissions{$key}})) { + $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control}; + } + } + } + } + } + return %access; +} + +sub modify_access_controls { + my ($file_name,$changes,$domain,$user)=@_; + my ($outcome,$deloutcome); + my %store_permissions; + my %new_values; + my %new_control; + my %translation; + my @deletions = (); + my $now = time; + if (exists($$changes{'activate'})) { + if (ref($$changes{'activate'}) eq 'HASH') { + my @newitems = sort(keys(%{$$changes{'activate'}})); + my $numnew = scalar(@newitems); + for (my $i=0; $i<$numnew; $i++) { + my $newkey = $newitems[$i]; + my $newid = &Apache::loncommon::get_cgi_id(); + if ($newkey =~ /^\d+:/) { + $newkey =~ s/^(\d+)/$newid/; + $translation{$1} = $newid; + } elsif ($newkey =~ /^\d+_\d+_\d+:/) { + $newkey =~ s/^(\d+_\d+_\d+)/$newid/; + $translation{$1} = $newid; + } + $new_values{$file_name."\0".$newkey} = + $$changes{'activate'}{$newitems[$i]}; + $new_control{$newkey} = $now; + } + } + } + my %todelete; + my %changed_items; + foreach my $action ('delete','update') { + if (exists($$changes{$action})) { + if (ref($$changes{$action}) eq 'HASH') { + foreach my $key (keys(%{$$changes{$action}})) { + my ($itemnum) = ($key =~ /^([^:]+):/); + if ($action eq 'delete') { + $todelete{$itemnum} = 1; + } else { + $changed_items{$itemnum} = $key; + } + } + } + } + } + # get lock on access controls for file. + my $lockhash = { + $file_name."\0".'locked_access_records' => $env{'user.name'}. + ':'.$env{'user.domain'}, + }; + my $tries = 0; + my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + + while (($gotlock ne 'ok') && $tries <3) { + $tries ++; + sleep 1; + $gotlock = &newput('file_permissions',$lockhash,$domain,$user); + } + if ($gotlock eq 'ok') { + my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name); + my ($tmp)=keys(%curr_permissions); + if ($tmp=~/^error:/) { undef(%curr_permissions); } + if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) { + my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'}; + if (ref($curr_controls) eq 'HASH') { + foreach my $control_item (keys(%{$curr_controls})) { + my ($itemnum) = ($control_item =~ /^([^:]+):/); + if (defined($todelete{$itemnum})) { + push(@deletions,$file_name."\0".$control_item); + } else { + if (defined($changed_items{$itemnum})) { + $new_control{$changed_items{$itemnum}} = $now; + push(@deletions,$file_name."\0".$control_item); + $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}}; + } else { + $new_control{$control_item} = $$curr_controls{$control_item}; + } + } + } + } + } + $deloutcome = &del('file_permissions',\@deletions,$domain,$user); + $new_values{$file_name."\0".'accesscontrol'} = \%new_control; + $outcome = &put('file_permissions',\%new_values,$domain,$user); + # remove lock + my @del_lock = ($file_name."\0".'locked_access_records'); + my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user); + my ($file,$group); + if (&is_course($domain,$user)) { + ($group,$file) = split(/\//,$file_name,2); + } else { + $file = $file_name; + } + my $sqlresult = + &update_portfolio_table($user,$domain,$file,'portfolio_access', + $group); + } else { + $outcome = "error: could not obtain lockfile\n"; + } + return ($outcome,$deloutcome,\%new_values,\%translation); +} + +sub make_public_indefinitely { + my ($requrl) = @_; + my $now = time; + my $action = 'activate'; + my $aclnum = 0; + if (&is_portfolio_url($requrl)) { + my (undef,$udom,$unum,$file_name,$group) = + &parse_portfolio_url($requrl); + my $current_perms = &get_portfile_permissions($udom,$unum); + my %access_controls = &get_access_controls($current_perms, + $group,$file_name); + foreach my $key (keys(%{$access_controls{$file_name}})) { + my ($num,$scope,$end,$start) = + ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($scope eq 'public') { + if ($start <= $now && $end == 0) { + $action = 'none'; + } else { + $action = 'update'; + $aclnum = $num; + } + last; + } + } + if ($action eq 'none') { + return 'ok'; + } else { + my %changes; + my $newend = 0; + my $newstart = $now; + my $newkey = $aclnum.':public_'.$newend.'_'.$newstart; + $changes{$action}{$newkey} = { + type => 'public', + time => { + start => $newstart, + end => $newend, + }, + }; + my ($outcome,$deloutcome,$new_values,$translation) = + &modify_access_controls($file_name,\%changes,$udom,$unum); + return $outcome; + } + } else { + return 'invalid'; + } +} + +#------------------------------------------------------Get Marked as Read Only + +sub get_marked_as_readonly { + my ($domain,$user,$what,$group) = @_; + my $current_permissions = &get_portfile_permissions($domain,$user); + my @readonly_files; + my $cmp1=$what; + if (ref($what)) { $cmp1=join('',@{$what}) }; + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + my $cmp2=$stored_what; + if (ref($stored_what) eq 'ARRAY') { + $cmp2=join('',@{$stored_what}); + } + if ($cmp1 eq $cmp2) { + push(@readonly_files, $file_name); + last; + } elsif (!defined($what)) { + push(@readonly_files, $file_name); + last; + } + } + } + } + return @readonly_files; +} +#-----------------------------------------------------------Get Marked as Read Only Hash + +sub get_marked_as_readonly_hash { + my ($current_permissions,$group,$what) = @_; + my %readonly_files; + while (my ($file_name,$value) = each(%{$current_permissions})) { + if (defined($group)) { + if ($file_name !~ m-^\Q$group\E/-) { + next; + } + } + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + if (ref($stored_what) eq 'ARRAY') { + foreach my $lock_descriptor(@{$stored_what}) { + if ($lock_descriptor eq 'graded') { + $readonly_files{$file_name} = 'graded'; + } elsif ($lock_descriptor eq 'handback') { + $readonly_files{$file_name} = 'handback'; + } else { + if (!exists($readonly_files{$file_name})) { + $readonly_files{$file_name} = 'locked'; + } + } + } + } + } + } + } + return %readonly_files; +} +# ------------------------------------------------------------ Unmark as Read Only + +sub unmark_as_readonly { + # unmarks $file_name (if $file_name is defined), or all files locked by $what + # for portfolio submissions, $what contains [$symb,$crsid] + my ($domain,$user,$what,$file_name,$group) = @_; + $file_name = &declutter_portfile($file_name); + my $symb_crs = $what; + if (ref($what)) { $symb_crs=join('',@$what); } + my %current_permissions = &dump('file_permissions',$domain,$user,$group); + my ($tmp)=keys(%current_permissions); + if ($tmp=~/^error:/) { undef(%current_permissions); } + my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group); + foreach my $file (@readonly_files) { + my $clean_file = &declutter_portfile($file); + if (defined($file_name) && ($file_name ne $clean_file)) { next; } + my $current_locks = $current_permissions{$file}; + my @new_locks; + my @del_keys; + if (ref($current_locks) eq "ARRAY"){ + foreach my $locker (@{$current_locks}) { + my $compare=$locker; + if (ref($locker) eq 'ARRAY') { + $compare=join('',@{$locker}); + if ($compare ne $symb_crs) { + push(@new_locks, $locker); + } + } + } + if (scalar(@new_locks) > 0) { + $current_permissions{$file} = \@new_locks; + } else { + push(@del_keys, $file); + &del('file_permissions',\@del_keys, $domain, $user); + delete($current_permissions{$file}); + } + } + } + &put('file_permissions',\%current_permissions,$domain,$user); + return; +} + # ------------------------------------------------------------ Directory lister sub dirlist { @@ -3269,52 +5545,65 @@ sub dirlist { if($udom) { if($uname) { - my $listing=reply('ls:'.$dirRoot.'/'.$uri, - homeserver($uname,$udom)); - return split(/:/,$listing); + my $listing = &reply('ls2:'.$dirRoot.'/'.$uri, + &homeserver($uname,$udom)); + my @listing_results; + if ($listing eq 'unknown_cmd') { + $listing = &reply('ls:'.$dirRoot.'/'.$uri, + &homeserver($uname,$udom)); + @listing_results = split(/:/,$listing); + } else { + @listing_results = map { &unescape($_); } split(/:/,$listing); + } + return @listing_results; } elsif(!defined($alternateDirectoryRoot)) { - my $tryserver; - my %allusers=(); - foreach $tryserver (keys %libserv) { + my %allusers; + foreach my $tryserver (keys(%libserv)) { if($hostdom{$tryserver} eq $udom) { - my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. - $udom, $tryserver); - if (($listing ne 'no_such_dir') && ($listing ne 'empty') - && ($listing ne 'con_lost')) { - foreach (split(/:/,$listing)) { - my ($entry,@stat)=split(/&/,$_); - $allusers{$entry}=1; + my $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'. + $udom, $tryserver); + my @listing_results; + if ($listing eq 'unknown_cmd') { + $listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. + $udom, $tryserver); + @listing_results = split(/:/,$listing); + } else { + @listing_results = + map { &unescape($_); } split(/:/,$listing); + } + if ($listing_results[0] ne 'no_such_dir' && + $listing_results[0] ne 'empty' && + $listing_results[0] ne 'con_lost') { + foreach my $line (@listing_results) { + my ($entry) = split(/&/,$line,2); + $allusers{$entry} = 1; } } } } my $alluserstr=''; - foreach (sort keys %allusers) { - $alluserstr.=$_.'&user:'; + foreach my $user (sort(keys(%allusers))) { + $alluserstr.=$user.'&user:'; } $alluserstr=~s/:$//; return split(/:/,$alluserstr); } else { - my @emptyResults = (); - push(@emptyResults, 'missing user name'); - return split(':',@emptyResults); + return ('missing user name'); } } elsif(!defined($alternateDirectoryRoot)) { my $tryserver; my %alldom=(); - foreach $tryserver (keys %libserv) { + foreach $tryserver (keys(%libserv)) { $alldom{$hostdom{$tryserver}}=1; } my $alldomstr=''; - foreach (sort keys %alldom) { - $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'/&domain:'; + foreach my $domain (sort(keys(%alldom))) { + $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$domain.'/&domain:'; } $alldomstr=~s/:$//; return split(/:/,$alldomstr); } else { - my @emptyResults = (); - push(@emptyResults, 'missing domain'); - return split(':',@emptyResults); + return ('missing domain'); } } @@ -3332,8 +5621,8 @@ sub dirlist { ## sub GetFileTimestamp { my ($studentDomain,$studentName,$filename,$root)=@_; - $studentDomain=~s/\W//g; - $studentName=~s/\W//g; + $studentDomain = &LONCAPA::clean_domain($studentDomain); + $studentName = &LONCAPA::clean_username($studentName); my $subdir=$studentName.'__'; $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; my $proname="$studentDomain/$subdir/$studentName"; @@ -3349,54 +5638,114 @@ sub GetFileTimestamp { } } +sub stat_file { + my ($uri) = @_; + $uri = &clutter_with_no_wrapper($uri); + + my ($udom,$uname,$file,$dir); + if ($uri =~ m-^/(uploaded|editupload)/-) { + ($udom,$uname,$file) = + ($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-); + $file = 'userfiles/'.$file; + $dir = &propath($udom,$uname); + } + if ($uri =~ m-^/res/-) { + ($udom,$uname) = + ($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-); + $file = $uri; + } + + if (!$udom || !$uname || !$file) { + # unable to handle the uri + return (); + } + + my ($result) = &dirlist($file,$udom,$uname,$dir); + my @stats = split('&', $result); + + if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { + shift(@stats); #filename is first + return @stats; + } + return (); +} + # -------------------------------------------------------- Value of a Condition +# gets the value of a specific preevaluated condition +# stored in the string $env{user.state.} +# or looks up a condition reference in the bighash and if if hasn't +# already been evaluated recurses into docondval to get the value of +# the condition, then memoizing it to +# $env{user.state..} sub directcondval { my $number=shift; - if ($ENV{'user.state.'.$ENV{'request.course.id'}}) { - return substr($ENV{'user.state.'.$ENV{'request.course.id'}},$number,1); + if (!defined($env{'user.state.'.$env{'request.course.id'}})) { + &Apache::lonuserstate::evalstate(); + } + if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) { + return $env{'user.state.'.$env{'request.course.id'}.".$number"}; + } elsif ($number =~ /^_/) { + my $sub_condition; + if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + $sub_condition=$bighash{'conditions'.$number}; + untie(%bighash); + } + my $value = &docondval($sub_condition); + &appenv('user.state.'.$env{'request.course.id'}.".$number" => $value); + return $value; + } + if ($env{'user.state.'.$env{'request.course.id'}}) { + return substr($env{'user.state.'.$env{'request.course.id'}},$number,1); } else { return 2; } } +# get the collection of conditions for this resource sub condval { my $condidx=shift; - my $result=0; my $allpathcond=''; - foreach (split(/\|/,$condidx)) { - if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { - $allpathcond.= - '('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; - } + foreach my $cond (split(/\|/,$condidx)) { + if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) { + $allpathcond.= + '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|'; + } } $allpathcond=~s/\|$//; - if ($ENV{'request.course.id'}) { - if ($allpathcond) { - my $operand='|'; - my @stack; - foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { - if ($_ eq '(') { - push @stack,($operand,$result) - } elsif ($_ eq ')') { - my $before=pop @stack; - if (pop @stack eq '&') { - $result=$result>$before?$before:$result; - } else { - $result=$result>$before?$result:$before; - } - } elsif (($_ eq '&') || ($_ eq '|')) { - $operand=$_; - } else { - my $new=directcondval($_); - if ($operand eq '&') { - $result=$result>$new?$new:$result; - } else { - $result=$result>$new?$result:$new; - } - } - } - } + return &docondval($allpathcond); +} + +#evaluates an expression of conditions +sub docondval { + my ($allpathcond) = @_; + my $result=0; + if ($env{'request.course.id'} + && defined($allpathcond)) { + my $operand='|'; + my @stack; + foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) { + if ($chunk eq '(') { + push @stack,($operand,$result); + } elsif ($chunk eq ')') { + my $before=pop @stack; + if (pop @stack eq '&') { + $result=$result>$before?$before:$result; + } else { + $result=$result>$before?$result:$before; + } + } elsif (($chunk eq '&') || ($chunk eq '|')) { + $operand=$chunk; + } else { + my $new=directcondval($chunk); + if ($operand eq '&') { + $result=$result>$new?$new:$result; + } else { + $result=$result>$new?$result:$new; + } + } + } } return $result; } @@ -3406,29 +5755,79 @@ sub condval { sub devalidatecourseresdata { my ($coursenum,$coursedomain)=@_; my $hashid=$coursenum.':'.$coursedomain; - &devalidate_cache(\%courseresdatacache,$hashid,'courseres'); + &devalidate_cache_new('courseres',$hashid); } + # --------------------------------------------------- Course Resourcedata Query -sub courseresdata { - my ($coursenum,$coursedomain,@which)=@_; +sub get_courseresdata { + my ($coursenum,$coursedomain)=@_; my $coursehom=&homeserver($coursenum,$coursedomain); my $hashid=$coursenum.':'.$coursedomain; - my ($result,$cached)=&is_cached(\%courseresdatacache,$hashid,'courseres'); + my ($result,$cached)=&is_cached_new('courseres',$hashid); + my %dumpreply; unless (defined($cached)) { - my %dumpreply=&dump('resourcedata',$coursedomain,$coursenum); + %dumpreply=&dump('resourcedata',$coursedomain,$coursenum); $result=\%dumpreply; my ($tmp) = keys(%dumpreply); if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - &do_cache(\%courseresdatacache,$hashid,$result,'courseres'); + &do_cache_new('courseres',$hashid,$result,600); } elsif ($tmp =~ /^(con_lost|no_such_host)/) { return $tmp; } elsif ($tmp =~ /^(error)/) { $result=undef; - &do_cache(\%courseresdatacache,$hashid,$result,'courseres'); + &do_cache_new('courseres',$hashid,$result,600); } } + return $result; +} + +sub devalidateuserresdata { + my ($uname,$udom)=@_; + my $hashid="$udom:$uname"; + &devalidate_cache_new('userres',$hashid); +} + +sub get_userresdata { + my ($uname,$udom)=@_; + #most student don\'t have any data set, check if there is some data + if (&EXT_cache_status($udom,$uname)) { return undef; } + + my $hashid="$udom:$uname"; + my ($result,$cached)=&is_cached_new('userres',$hashid); + if (!defined($cached)) { + my %resourcedata=&dump('resourcedata',$udom,$uname); + $result=\%resourcedata; + &do_cache_new('userres',$hashid,$result,600); + } + my ($tmp)=keys(%$result); + if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { + return $result; + } + #error 2 occurs when the .db doesn't exist + if ($tmp!~/error: 2 /) { + &logthis("WARNING:". + " Trying to get resource data for ". + $uname." at ".$udom.": ". + $tmp.""); + } elsif ($tmp=~/error: 2 /) { + #&EXT_cache_set($udom,$uname); + &do_cache_new('userres',$hashid,undef,600); + undef($tmp); # not really an error so don't send it back + } + return $tmp; +} + +sub resdata { + my ($name,$domain,$type,@which)=@_; + my $result; + if ($type eq 'course') { + $result=&get_courseresdata($name,$domain); + } elsif ($type eq 'user') { + $result=&get_userresdata($name,$domain); + } + if (!ref($result)) { return $result; } foreach my $item (@which) { if (defined($result->{$item})) { return $result->{$item}; @@ -3448,7 +5847,7 @@ sub clear_EXT_cache_status { sub EXT_cache_status { my ($target_domain,$target_user) = @_; my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; - if (exists($ENV{$cachename}) && ($ENV{$cachename}+600) > time) { + if (exists($env{$cachename}) && ($env{$cachename}+600) > time) { # We know already the user has no data return 1; } else { @@ -3459,13 +5858,13 @@ sub EXT_cache_status { sub EXT_cache_set { my ($target_domain,$target_user) = @_; my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; - &appenv($cachename => time); + #&appenv($cachename => time); } # --------------------------------------------------------- Value of a Variable sub EXT { - my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; + my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; unless ($varname) { return ''; } #get real user name/domain, courseid and symb my $courseid; @@ -3474,11 +5873,10 @@ sub EXT { $symbparm=&get_symb_from_alias($symbparm); } if (!($uname && $udom)) { - (my $cursymb,$courseid,$udom,$uname,$publicuser)= - &Apache::lonxml::whichuser($symbparm); + (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm); if (!$symbparm) { $symbparm=$cursymb; } } else { - $courseid=$ENV{'request.course.id'}; + $courseid=$env{'request.course.id'}; } my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); my $rest; @@ -3495,11 +5893,20 @@ sub EXT { if ($realm eq 'user') { # --------------------------------------------------------------- user.resource if ($space eq 'resource') { - if (defined($Apache::lonhomework::parsing_a_problem)) { - return $Apache::lonhomework::history{$qualifierrest}; + if ( (defined($Apache::lonhomework::parsing_a_problem) + || defined($Apache::lonhomework::parsing_a_task)) + && + ($symbparm eq &symbread()) ) { + # if we are in the middle of processing the resource the + # get the value we are planning on committing + if (defined($Apache::lonhomework::results{$qualifierrest})) { + return $Apache::lonhomework::results{$qualifierrest}; + } else { + return $Apache::lonhomework::history{$qualifierrest}; + } } else { my %restored; - if ($publicuser || $ENV{'request.state'} eq 'construct') { + if ($publicuser || $env{'request.state'} eq 'construct') { %restored=&tmprestore($symbparm,$courseid,$udom,$uname); } else { %restored=&restore($symbparm,$courseid,$udom,$uname); @@ -3512,9 +5919,9 @@ sub EXT { return &allowed($qualifier,$rest); # ------------------------------------------ user.preferences, user.environment } elsif (($space eq 'preferences') || ($space eq 'environment')) { - if (($uname eq $ENV{'user.name'}) && - ($udom eq $ENV{'user.domain'})) { - return $ENV{join('.',('environment',$qualifierrest))}; + if (($uname eq $env{'user.name'}) && + ($udom eq $env{'user.domain'})) { + return $env{join('.',('environment',$qualifierrest))}; } else { my %returnhash; if (!$publicuser) { @@ -3526,11 +5933,11 @@ sub EXT { # ----------------------------------------------------------------- user.course } elsif ($space eq 'course') { # FIXME - not supporting calls for a specific user - return $ENV{join('.',('request.course',$qualifier))}; + return $env{join('.',('request.course',$qualifier))}; # ------------------------------------------------------------------- user.role } elsif ($space eq 'role') { # FIXME - not supporting calls for a specific user - my ($role,$where)=split(/\./,$ENV{'request.role'}); + my ($role,$where)=split(/\./,$env{'request.role'}); if ($qualifier eq 'value') { return $role; } elsif ($qualifier eq 'extent') { @@ -3554,116 +5961,112 @@ sub EXT { # ---------------------------------------------- pull stuff out of query string &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, [$spacequalifierrest]); - return $ENV{'form.'.$spacequalifierrest}; + return $env{'form.'.$spacequalifierrest}; } elsif ($realm eq 'request') { # ------------------------------------------------------------- request.browser if ($space eq 'browser') { if ($qualifier eq 'textremote') { - if (&mt('textual_remote_display') eq 'on') { + if (&Apache::lonlocal::mt('textual_remote_display') eq 'on') { return 1; } else { return 0; } } else { - return $ENV{'browser.'.$qualifier}; + return $env{'browser.'.$qualifier}; } # ------------------------------------------------------------ request.filename } else { - return $ENV{'request.'.$spacequalifierrest}; + return $env{'request.'.$spacequalifierrest}; } } elsif ($realm eq 'course') { # ---------------------------------------------------------- course.description - return $ENV{'course.'.$courseid.'.'.$spacequalifierrest}; + return $env{'course.'.$courseid.'.'.$spacequalifierrest}; } elsif ($realm eq 'resource') { - my $section; - if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) { + if (defined($courseid) && $courseid eq $env{'request.course.id'}) { + if (!$symbparm) { $symbparm=&symbread(); } + } + + if ($space eq 'title') { + if (!$symbparm) { $symbparm = $env{'request.filename'}; } + return &gettitle($symbparm); + } + + if ($space eq 'map') { + my ($map) = &decode_symb($symbparm); + return &symbread($map); + } + + my ($section, $group, @groups); + my ($courselevelm,$courselevel); + if ($symbparm && defined($courseid) && + $courseid eq $env{'request.course.id'}) { #print '
'.$space.' - '.$qualifier.' - '.$spacequalifierrest; # ----------------------------------------------------- Cascading lookup scheme - if (!$symbparm) { $symbparm=&symbread(); } my $symbp=$symbparm; - my $mapp=(&decode_symb($symbp))[0]; + my $mapp=&deversion((&decode_symb($symbp))[0]); my $symbparm=$symbp.'.'.$spacequalifierrest; my $mapparm=$mapp.'___(all).'.$spacequalifierrest; - if (($ENV{'user.name'} eq $uname) && - ($ENV{'user.domain'} eq $udom)) { - $section=$ENV{'request.course.sec'}; + if (($env{'user.name'} eq $uname) && + ($env{'user.domain'} eq $udom)) { + $section=$env{'request.course.sec'}; + @groups = split(/:/,$env{'request.course.groups'}); + @groups=&sort_course_groups($courseid,@groups); } else { - if (! defined($usection)) { - $section=&usection($udom,$uname,$courseid); - } else { - $section = $usection; - } + if (! defined($usection)) { + $section=&getsection($udom,$uname,$courseid); + } else { + $section = $usection; + } + @groups = &get_users_groups($udom,$uname,$courseid); } my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; my $seclevelr=$courseid.'.['.$section.'].'.$symbparm; my $seclevelm=$courseid.'.['.$section.'].'.$mapparm; - my $courselevel=$courseid.'.'.$spacequalifierrest; + $courselevel=$courseid.'.'.$spacequalifierrest; my $courselevelr=$courseid.'.'.$symbparm; - my $courselevelm=$courseid.'.'.$mapparm; + $courselevelm=$courseid.'.'.$mapparm; # ----------------------------------------------------------- first, check user - #most student don\'t have any data set, check if there is some data - if (! &EXT_cache_status($udom,$uname)) { - my $hashid="$udom:$uname"; - my ($result,$cached)=&is_cached(\%userresdatacache,$hashid, - 'userres'); - if (!defined($cached)) { - my %resourcedata=&get('resourcedata', - [$courselevelr,$courselevelm, - $courselevel],$udom,$uname); - $result=\%resourcedata; - &do_cache(\%userresdatacache,$hashid,$result,'userres'); - } - my ($tmp)=keys(%$result); - if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { - if ($$result{$courselevelr}) { - return $$result{$courselevelr}; } - if ($$result{$courselevelm}) { - return $$result{$courselevelm}; } - if ($$result{$courselevel}) { - return $$result{$courselevel}; } - } else { - if ($tmp!~/No such file/) { - &logthis("WARNING:". - " Trying to get resource data for ". - $uname." at ".$udom.": ". - $tmp.""); - } elsif ($tmp=~/error:No such file/) { - &EXT_cache_set($udom,$uname); - } elsif ($tmp =~ /^(con_lost|no_such_host)/) { - return $tmp; - } - } - } -# -------------------------------------------------------- second, check course + my $userreply=&resdata($uname,$udom,'user', + ($courselevelr,$courselevelm, + $courselevel)); + if (defined($userreply)) { return $userreply; } + +# ------------------------------------------------ second, check some of course + my $coursereply; + if (@groups > 0) { + $coursereply = &check_group_parms($courseid,\@groups,$symbparm, + $mapparm,$spacequalifierrest); + if (defined($coursereply)) { return $coursereply; } + } - my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'}, - $ENV{'course.'.$courseid.'.domain'}, - ($seclevelr,$seclevelm,$seclevel, - $courselevelr,$courselevelm, - $courselevel)); + $coursereply=&resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course', + ($seclevelr,$seclevelm,$seclevel, + $courselevelr)); if (defined($coursereply)) { return $coursereply; } # ------------------------------------------------------ third, check map parms my %parmhash=(); my $thisparm=''; if (tie(%parmhash,'GDBM_File', - $ENV{'request.course.fn'}.'_parms.db', + $env{'request.course.fn'}.'_parms.db', &GDBM_READER(),0640)) { $thisparm=$parmhash{$symbparm}; untie(%parmhash); } if ($thisparm) { return $thisparm; } } -# --------------------------------------------- last, look in resource metadata +# ------------------------------------------ fourth, look in resource metadata $spacequalifierrest=~s/\./\_/; my $filename; @@ -3671,13 +6074,22 @@ sub EXT { if ($symbparm) { $filename=(&decode_symb($symbparm))[2]; } else { - $filename=$ENV{'request.filename'}; + $filename=$env{'request.filename'}; } my $metadata=&metadata($filename,$spacequalifierrest); if (defined($metadata)) { return $metadata; } $metadata=&metadata($filename,'parameter_'.$spacequalifierrest); if (defined($metadata)) { return $metadata; } +# ---------------------------------------------- fourth, look in rest pf course + if ($symbparm && defined($courseid) && + $courseid eq $env{'request.course.id'}) { + my $coursereply=&resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course', + ($courselevelm,$courselevel)); + if (defined($coursereply)) { return $coursereply; } + } # ------------------------------------------------------------------ Cascade up unless ($space eq '0') { my @parts=split(/_/,$space); @@ -3695,9 +6107,12 @@ sub EXT { # ---------------------------------------------------- Any other user namespace } elsif ($realm eq 'environment') { # ----------------------------------------------------------------- environment - if (($uname eq $ENV{'user.name'})&&($udom eq $ENV{'user.domain'})) { - return $ENV{'environment.'.$spacequalifierrest}; + if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) { + return $env{'environment.'.$spacequalifierrest}; } else { + if ($uname eq 'anonymous' && $udom eq '') { + return ''; + } my %returnhash=&userenvironment($udom,$uname, $spacequalifierrest); return $returnhash{$spacequalifierrest}; @@ -3707,19 +6122,85 @@ sub EXT { if ($space eq 'time') { return time; } + } elsif ($realm eq 'server') { +# ----------------------------------------------------------------- system.time + if ($space eq 'name') { + return $ENV{'SERVER_NAME'}; + } } return ''; } +sub check_group_parms { + my ($courseid,$groups,$symbparm,$mapparm,$what) = @_; + my @groupitems = (); + my $resultitem; + my @levels = ($symbparm,$mapparm,$what); + foreach my $group (@{$groups}) { + foreach my $level (@levels) { + my $item = $courseid.'.['.$group.'].'.$level; + push(@groupitems,$item); + } + } + my $coursereply = &resdata($env{'course.'.$courseid.'.num'}, + $env{'course.'.$courseid.'.domain'}, + 'course',@groupitems); + return $coursereply; +} + +sub sort_course_groups { # Sort groups based on defined rankings. Default is sort(). + my ($courseid,@groups) = @_; + @groups = sort(@groups); + return @groups; +} + sub packages_tab_default { my ($uri,$varname)=@_; my (undef,$part,$name)=split(/\./,$varname); - my $packages=&metadata($uri,'packages'); - foreach my $package (split(/,/,$packages)) { + + my (@extension,@specifics,$do_default); + foreach my $package (split(/,/,&metadata($uri,'packages'))) { my ($pack_type,$pack_part)=split(/_/,$package,2); - if ($pack_part eq $part) { + if ($pack_type eq 'default') { + $do_default=1; + } elsif ($pack_type eq 'extension') { + push(@extension,[$package,$pack_type,$pack_part]); + } else { + push(@specifics,[$package,$pack_type,$pack_part]); + } + } + # first look for a package that matches the requested part id + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; + next if ($pack_part ne $part); + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + } + # look for any possible matching non extension_ package + foreach my $package (@specifics) { + my (undef,$pack_type,$pack_part)=@{$package}; + if (defined($packagetab{"$pack_type&$name&default"})) { return $packagetab{"$pack_type&$name&default"}; } + if ($pack_type eq 'part') { $pack_part='0'; } + if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { + return $packagetab{$pack_type."_".$pack_part."&$name&default"}; + } + } + # look for any posible extension_ match + foreach my $package (@extension) { + my ($package,$pack_type)=@{$package}; + if (defined($packagetab{"$pack_type&$name&default"})) { + return $packagetab{"$pack_type&$name&default"}; + } + if (defined($packagetab{$package."&$name&default"})) { + return $packagetab{$package."&$name&default"}; + } + } + # look for a global default setting + if ($do_default && defined($packagetab{"default&$name&default"})) { + return $packagetab{"default&$name&default"}; } return undef; } @@ -3742,14 +6223,17 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata +my %metaentry; sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); # if it is a non metadata possible uri return quickly - if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|)) || + if (($uri eq '') || + (($uri =~ m|^/*adm/|) && + ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) || - ($uri =~ m|home/[^/]+/public_html/|)) { - return ''; + ($uri =~ m|home/$match_username/public_html/|)) { + return undef; } my $filename=$uri; $uri=~s/\.meta$//; @@ -3759,23 +6243,31 @@ sub metadata { # Everything is cached by the main uri, libraries are never directly cached # if (!defined($liburi)) { - my ($result,$cached)=&is_cached(\%metacache,$uri,'meta'); + my ($result,$cached)=&is_cached_new('meta',$uri); if (defined($cached)) { return $result->{':'.$what}; } } { # # Is this a recursive call for a library? # - my %lcmetacache; +# if (! exists($metacache{$uri})) { +# $metacache{$uri}={}; +# } if ($liburi) { $liburi=&declutter($liburi); $filename=$liburi; } else { - &devalidate_cache(\%metacache,$uri,'meta'); + &devalidate_cache_new('meta',$uri); + undef(%metaentry); } my %metathesekeys=(); unless ($filename=~/\.meta$/) { $filename.='.meta'; } - my $metastring=&getfile(&filelocation('',&clutter($filename))); + my $metastring; + if ($uri !~ m -^(editupload)/-) { + my $file=&filelocation('',&clutter($filename)); + #push(@{$metaentry{$uri.'.file'}},$file); + $metastring=&getfile($file); + } my $parser=HTML::LCParser->new(\$metastring); my $token; undef %metathesekeys; @@ -3790,21 +6282,21 @@ sub metadata { if (defined($token->[2]->{'id'})) { $keyroot.='_'.$token->[2]->{'id'}; } - if ($lcmetacache{':packages'}) { - $lcmetacache{':packages'}.=','.$package.$keyroot; + if ($metaentry{':packages'}) { + $metaentry{':packages'}.=','.$package.$keyroot; } else { - $lcmetacache{':packages'}=$package.$keyroot; + $metaentry{':packages'}=$package.$keyroot; } - foreach (keys %packagetab) { + foreach my $pack_entry (keys(%packagetab)) { my $part=$keyroot; $part=~s/^\_//; - if ($_=~/^\Q$package\E\&/ || - $_=~/^\Q$package\E_0\&/) { - my ($pack,$name,$subp)=split(/\&/,$_); + if ($pack_entry=~/^\Q$package\E\&/ || + $pack_entry=~/^\Q$package\E_0\&/) { + my ($pack,$name,$subp)=split(/\&/,$pack_entry); # ignore package.tab specified default values # here &package_tab_default() will fetch those if ($subp eq 'default') { next; } - my $value=$packagetab{$_}; + my $value=$packagetab{$pack_entry}; my $unikey; if ($pack =~ /_0$/) { $unikey='parameter_0_'.$name; @@ -3815,14 +6307,14 @@ sub metadata { if ($subp eq 'display') { $value.=' [Part: '.$part.']'; } - $lcmetacache{':'.$unikey.'.part'}=$part; + $metaentry{':'.$unikey.'.part'}=$part; $metathesekeys{$unikey}=1; - unless (defined($lcmetacache{':'.$unikey.'.'.$subp})) { - $lcmetacache{':'.$unikey.'.'.$subp}=$value; + unless (defined($metaentry{':'.$unikey.'.'.$subp})) { + $metaentry{':'.$unikey.'.'.$subp}=$value; } - if (defined($lcmetacache{':'.$unikey.'.default'})) { - $lcmetacache{':'.$unikey}= - $lcmetacache{':'.$unikey.'.default'}; + if (defined($metaentry{':'.$unikey.'.default'})) { + $metaentry{':'.$unikey}= + $metaentry{':'.$unikey.'.default'}; } } } @@ -3852,10 +6344,12 @@ sub metadata { my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,$unikey, - $depthcount+1)))) { - $metathesekeys{$_}=1; + my $metadata = + &metadata($uri,'keys', $location,$unikey, + $depthcount+1); + foreach my $meta (split(',',$metadata)) { + $metaentry{':'.$meta}=$metaentry{':'.$meta}; + $metathesekeys{$meta}=1; } } } else { @@ -3864,19 +6358,20 @@ sub metadata { $unikey.='_'.$token->[2]->{'name'}; } $metathesekeys{$unikey}=1; - foreach (@{$token->[3]}) { - $lcmetacache{':'.$unikey.'.'.$_}=$token->[2]->{$_}; + foreach my $param (@{$token->[3]}) { + $metaentry{':'.$unikey.'.'.$param} = + $token->[2]->{$param}; } my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry)); - my $default=$lcmetacache{':'.$unikey.'.default'}; + my $default=$metaentry{':'.$unikey.'.default'}; if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) { # only ws inside the tag, and not in default, so use default # as value - $lcmetacache{':'.$unikey}=$default; + $metaentry{':'.$unikey}=$default; } else { # either something interesting inside the tag or default # uninteresting - $lcmetacache{':'.$unikey}=$internaltext; + $metaentry{':'.$unikey}=$internaltext; } # end of not-a-package not-a-library import } @@ -3885,37 +6380,84 @@ sub metadata { # the next is the end of "start tag" } } + my ($extension) = ($uri =~ /\.(\w+)$/); + foreach my $key (keys(%packagetab)) { + #no specific packages #how's our extension + if ($key!~/^extension_\Q$extension\E&/) { next; } + &metadata_create_package_def($uri,$key,'extension_'.$extension, + \%metathesekeys); + } + if (!exists($metaentry{':packages'})) { + foreach my $key (keys(%packagetab)) { + #no specific packages well let's get default then + if ($key!~/^default&/) { next; } + &metadata_create_package_def($uri,$key,'default', + \%metathesekeys); + } + } # are there custom rights to evaluate - if ($lcmetacache{':copyright'} eq 'custom') { + if ($metaentry{':copyright'} eq 'custom') { # # Importing a rights file here # unless ($depthcount) { - my $location=$lcmetacache{':customdistributionfile'}; + my $location=$metaentry{':customdistributionfile'}; my $dir=$filename; $dir=~s|[^/]*$||; $location=&filelocation($dir,$location); - foreach (sort(split(/\,/,&metadata($uri,'keys', - $location,'_rights', - $depthcount+1)))) { - $metathesekeys{$_}=1; + my $rights_metadata = + &metadata($uri,'keys',$location,'_rights', + $depthcount+1); + foreach my $rights (split(',',$rights_metadata)) { + #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights}; + $metathesekeys{$rights}=1; } } } - $lcmetacache{':keys'}=join(',',keys %metathesekeys); - &metadata_generate_part0(\%metathesekeys,\%lcmetacache,$uri); - $lcmetacache{':allpossiblekeys'}=join(',',keys %metathesekeys); - &do_cache(\%metacache,$uri,\%lcmetacache,'meta'); + # uniqifiy package listing + my %seen; + my @uniq_packages = + grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); + $metaentry{':packages'} = join(',',@uniq_packages); + + $metaentry{':keys'} = join(',',keys(%metathesekeys)); + &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); + $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); + &do_cache_new('meta',$uri,\%metaentry,60*60); # this is the end of "was not already recently cached } - return $metacache{$uri}->{':'.$what}; + return $metaentry{':'.$what}; +} + +sub metadata_create_package_def { + my ($uri,$key,$package,$metathesekeys)=@_; + my ($pack,$name,$subp)=split(/\&/,$key); + if ($subp eq 'default') { next; } + + if (defined($metaentry{':packages'})) { + $metaentry{':packages'}.=','.$package; + } else { + $metaentry{':packages'}=$package; + } + my $value=$packagetab{$key}; + my $unikey; + $unikey='parameter_0_'.$name; + $metaentry{':'.$unikey.'.part'}=0; + $$metathesekeys{$unikey}=1; + unless (defined($metaentry{':'.$unikey.'.'.$subp})) { + $metaentry{':'.$unikey.'.'.$subp}=$value; + } + if (defined($metaentry{':'.$unikey.'.default'})) { + $metaentry{':'.$unikey}= + $metaentry{':'.$unikey.'.default'}; + } } sub metadata_generate_part0 { my ($metadata,$metacache,$uri) = @_; my %allnames; - foreach my $metakey (sort keys %$metadata) { + foreach my $metakey (keys(%$metadata)) { if ($metakey=~/^parameter\_(.*)/) { my $part=$$metacache{':'.$metakey.'.part'}; my $name=$$metacache{':'.$metakey.'.name'}; @@ -3934,51 +6476,92 @@ sub metadata_generate_part0 { '.type'}; my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name. '.display'}; - my $expr='\\[Part: '.$allnames{$name}.'\\]'; - $olddis=~s/$expr/\[Part: 0\]/; + my $expr='[Part: '.$allnames{$name}.']'; + $olddis=~s/\Q$expr\E/\[Part: 0\]/; $$metacache{"$key.display"}=$olddis; } } +# ------------------------------------------------------ Devalidate title cache + +sub devalidate_title_cache { + my ($url)=@_; + if (!$env{'request.course.id'}) { return; } + my $symb=&symbread($url); + if (!$symb) { return; } + my $key=$env{'request.course.id'}."\0".$symb; + &devalidate_cache_new('title',$key); +} + # ------------------------------------------------- Get the title of a resource sub gettitle { my $urlsymb=shift; my $symb=&symbread($urlsymb); - unless ($symb) { - unless ($urlsymb) { $urlsymb=$ENV{'request.filename'}; } - return &metadata($urlsymb,'title'); - } - my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); - if (defined($cached)) { return $result; } - my ($map,$resid,$url)=&decode_symb($symb); - my $title=''; - my %bighash; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', - &GDBM_READER(),0640)) { - my $mapid=$bighash{'map_pc_'.&clutter($map)}; - $title=$bighash{'title_'.$mapid.'.'.$resid}; - untie %bighash; + if ($symb) { + my $key=$env{'request.course.id'}."\0".$symb; + my ($result,$cached)=&is_cached_new('title',$key); + if (defined($cached)) { + return $result; + } + my ($map,$resid,$url)=&decode_symb($symb); + my $title=''; + my %bighash; + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', + &GDBM_READER(),0640)) { + my $mapid=$bighash{'map_pc_'.&clutter($map)}; + $title=$bighash{'title_'.$mapid.'.'.$resid}; + untie %bighash; + } + $title=~s/\&colon\;/\:/gs; + if ($title) { + return &do_cache_new('title',$key,$title,600); + } + $urlsymb=$url; } - $title=~s/\&colon\;/\:/gs; - if ($title) { - return &do_cache(\%titlecache,$symb,$title,'title'); + my $title=&metadata($urlsymb,'title'); + if (!$title) { $title=(split('/',$urlsymb))[-1]; } + return $title; +} + +sub get_slot { + my ($which,$cnum,$cdom)=@_; + if (!$cnum || !$cdom) { + (undef,my $courseid)=&whichuser(); + $cdom=$env{'course.'.$courseid.'.domain'}; + $cnum=$env{'course.'.$courseid.'.num'}; + } + my $key=join("\0",'slots',$cdom,$cnum,$which); + my %slotinfo; + if (exists($remembered{$key})) { + $slotinfo{$which} = $remembered{$key}; } else { - return &metadata($urlsymb,'title'); + %slotinfo=&get('slots',[$which],$cdom,$cnum); + &Apache::lonhomework::showhash(%slotinfo); + my ($tmp)=keys(%slotinfo); + if ($tmp=~/^error:/) { return (); } + $remembered{$key} = $slotinfo{$which}; + } + if (ref($slotinfo{$which}) eq 'HASH') { + return %{$slotinfo{$which}}; } + return $slotinfo{$which}; } - # ------------------------------------------------- Update symbolic store links sub symblist { my ($mapname,%newhash)=@_; $mapname=&deversion(&declutter($mapname)); my %hash; - if (($ENV{'request.course.fn'}) && (%newhash)) { - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', + if (($env{'request.course.fn'}) && (%newhash)) { + if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_WRCREAT(),0640)) { - foreach (keys %newhash) { - $hash{declutter($_)}=$mapname.'___'.&deversion($newhash{$_}); + foreach my $url (keys %newhash) { + next if ($url eq 'last_known' + && $env{'form.no_update_last_known'}); + $hash{declutter($url)}=&encode_symb($mapname, + $newhash{$url}->[1], + $newhash{$url}->[0]); } if (untie(%hash)) { return 'ok'; @@ -3991,7 +6574,8 @@ sub symblist { # --------------------------------------------------------------- Verify a symb sub symbverify { - my ($symb,$thisfn)=@_; + my ($symb,$thisurl)=@_; + my $thisfn=$thisurl; $thisfn=&declutter($thisfn); # direct jump to resource in page or to a sequence - will construct own symbs if ($thisfn=~/\.(page|sequence)$/) { return 1; } @@ -4001,26 +6585,30 @@ sub symbverify { unless ($url eq $thisfn) { return 0; } $symb=&symbclean($symb); + $thisurl=&deversion($thisurl); $thisfn=&deversion($thisfn); my %bighash; my $okay=0; - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { - my $ids=$bighash{'ids_'.&clutter($thisfn)}; + my $ids=$bighash{'ids_'.&clutter($thisurl)}; unless ($ids) { - $ids=$bighash{'ids_/'.$thisfn}; + $ids=$bighash{'ids_/'.$thisurl}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) - foreach (split(/\,/,$ids)) { - my ($mapid,$resid)=split(/\./,$_); + foreach my $id (split(/\,/,$ids)) { + my ($mapid,$resid)=split(/\./,$id); if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { - $okay=1; - } + if (($env{'request.role.adv'}) || + $bighash{'encrypted_'.$id} eq $env{'request.enc'}) { + $okay=1; + } + } } } untie(%bighash); @@ -4032,13 +6620,17 @@ sub symbverify { sub symbclean { my $symb=shift; - + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } # remove version from map $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; # remove version from URL $symb=~s/\.(\d+)\.(\w+)$/\.$2/; +# remove wrapper + + $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/; + $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/; return $symb; } @@ -4050,22 +6642,23 @@ sub encode_symb { } sub decode_symb { - my ($map,$resid,$url)=split(/\_\_\_/,shift); + my $symb=shift; + if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); } + my ($map,$resid,$url)=split(/___/,$symb); return (&fixversion($map),$resid,&fixversion($url)); } sub fixversion { my $fn=shift; - if ($fn=~/^(adm|uploaded|public)/) { return $fn; } + if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; } my %bighash; my $uri=&clutter($fn); - my $key=$ENV{'request.course.id'}.'_'.$uri; + my $key=$env{'request.course.id'}.'_'.$uri; # is this cached? - my ($result,$cached)=&is_cached(\%courseresversioncache,$key, - 'courseresversion',600); + my ($result,$cached)=&is_cached_new('courseresversion',$key); if (defined($cached)) { return $result; } # unfortunately not cached, or expired - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { if ($bighash{'version_'.$uri}) { my $version=$bighash{'version_'.$uri}; @@ -4076,8 +6669,7 @@ sub fixversion { } untie %bighash; } - return &do_cache - (\%courseresversioncache,$key,&declutter($uri),'courseresversion'); + return &do_cache_new('courseresversion',$key,&declutter($uri),600); } sub deversion { @@ -4090,37 +6682,51 @@ sub deversion { sub symbread { my ($thisfn,$donotrecurse)=@_; + my $cache_str='request.symbread.cached.'.$thisfn; + if (defined($env{$cache_str})) { return $env{$cache_str}; } # no filename provided? try from environment unless ($thisfn) { - if ($ENV{'request.symb'}) { return &symbclean($ENV{'request.symb'}); } - $thisfn=$ENV{'request.filename'}; + if ($env{'request.symb'}) { + return $env{$cache_str}=&symbclean($env{'request.symb'}); + } + $thisfn=$env{'request.filename'}; } + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } # is that filename actually a symb? Verify, clean, and return if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { - if (&symbverify($thisfn,$1)) { return &symbclean($thisfn); } + if (&symbverify($thisfn,$1)) { + return $env{$cache_str}=&symbclean($thisfn); + } } $thisfn=declutter($thisfn); my %hash; my %bighash; my $syval=''; - if (($ENV{'request.course.fn'}) && ($thisfn)) { - if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', + if (($env{'request.course.fn'}) && ($thisfn)) { + my $targetfn = $thisfn; + if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) { + $targetfn = 'adm/wrapper/'.$thisfn; + } + if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) { + $targetfn=$1; + } + if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_READER(),0640)) { - $syval=$hash{$thisfn}; + $syval=$hash{$targetfn}; untie(%hash); } # ---------------------------------------------------------- There was an entry if ($syval) { - unless ($syval=~/\_\d+$/) { - unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { - &appenv('request.ambiguous' => $thisfn); - return ''; - } - $syval.=$1; - } + #unless ($syval=~/\_\d+$/) { + #unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) { + #&appenv('request.ambiguous' => $thisfn); + #return $env{$cache_str}=''; + #} + #$syval.=$1; + #} } else { # ------------------------------------------------------- Was not in symb table - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { # ---------------------------------------------- Get ID(s) for current resource my $ids=$bighash{'ids_'.&clutter($thisfn)}; @@ -4137,18 +6743,19 @@ sub symbread { if ($#possibilities==0) { # ----------------------------------------------- There is only one possibility my ($mapid,$resid)=split(/\./,$ids); - $syval=declutter($bighash{'map_id_'.$mapid}).'___'.$resid; + $syval=&encode_symb($bighash{'map_id_'.$mapid}, + $resid,$thisfn); } elsif (!$donotrecurse) { # ------------------------------------------ There is more than one possibility my $realpossible=0; - foreach (@possibilities) { - my $file=$bighash{'src_'.$_}; + foreach my $id (@possibilities) { + my $file=$bighash{'src_'.$id}; if (&allowed('bre',$file)) { - my ($mapid,$resid)=split(/\./,$_); + my ($mapid,$resid)=split(/\./,$id); if ($bighash{'map_type_'.$mapid} ne 'page') { $realpossible++; - $syval=declutter($bighash{'map_id_'.$mapid}). - '___'.$resid; + $syval=&encode_symb($bighash{'map_id_'.$mapid}, + $resid,$thisfn); } } } @@ -4158,14 +6765,14 @@ sub symbread { } } untie(%bighash) - } + } } if ($syval) { - return &symbclean($syval.'___'.$thisfn); + return $env{$cache_str}=$syval; } } &appenv('request.ambiguous' => $thisfn); - return ''; + return $env{$cache_str}=''; } # ---------------------------------------------------------- Return random seed @@ -4179,27 +6786,127 @@ sub numval { $txt=~tr/U-Z/0-5/; $txt=~tr/u-z/0-5/; $txt=~s/\D//g; + if ($_64bit) { if ($txt > 2**32) { return -1; } } return int($txt); } +sub numval2 { + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { if ($total > 2**32) { return -1; } } + return int($total); +} + +sub numval3 { + use integer; + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { $total=(($total<<32)>>32); } + return $total; +} + +sub digest { + my ($data)=@_; + my $digest=&Digest::MD5::md5($data); + my ($a,$b,$c,$d)=unpack("iiii",$digest); + my ($e,$f); + { + use integer; + $e=($a+$b); + $f=($c+$d); + if ($_64bit) { + $e=(($e<<32)>>32); + $f=(($f<<32)>>32); + } + } + if (wantarray) { + return ($e,$f); + } else { + my $g; + { + use integer; + $g=($e+$f); + if ($_64bit) { + $g=(($g<<32)>>32); + } + } + return $g; + } +} + sub latest_rnd_algorithm_id { - return '64bit2'; + return '64bit5'; +} + +sub get_rand_alg { + my ($courseid)=@_; + if (!$courseid) { $courseid=(&whichuser())[1]; } + if ($courseid) { + return $env{"course.$courseid.rndseed"}; + } + return &latest_rnd_algorithm_id(); +} + +sub validCODE { + my ($CODE)=@_; + if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; } + return 0; +} + +sub getCODE { + if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; } + if ( (defined($Apache::lonhomework::parsing_a_problem) || + defined($Apache::lonhomework::parsing_a_task) ) && + &validCODE($Apache::lonhomework::history{'resource.CODE'})) { + return $Apache::lonhomework::history{'resource.CODE'}; + } + return undef; } sub rndseed { my ($symb,$courseid,$domain,$username)=@_; - my ($wsymb,$wcourseid,$wdomain,$wusername)=&Apache::lonxml::whichuser(); + my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser(); if (!$symb) { unless ($symb=$wsymb) { return time; } } if (!$courseid) { $courseid=$wcourseid; } if (!$domain) { $domain=$wdomain; } if (!$username) { $username=$wusername } - my $which=$ENV{"course.$courseid.rndseed"}; - my $CODE=$ENV{'scantron.CODE'}; - if (defined($CODE)) { - &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + my $which=&get_rand_alg(); + + if (defined(&getCODE())) { + if ($which eq '64bit5') { + return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit4') { + return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); + } else { + return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + } + } elsif ($which eq '64bit5') { + return &rndseed_64bit5($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit4') { + return &rndseed_64bit4($symb,$courseid,$domain,$username); + } elsif ($which eq '64bit3') { + return &rndseed_64bit3($symb,$courseid,$domain,$username); } elsif ($which eq '64bit2') { return &rndseed_64bit2($symb,$courseid,$domain,$username); } elsif ($which eq '64bit') { @@ -4219,8 +6926,9 @@ sub rndseed_32bit { my $domainseed=unpack("%32C*",$domain) << 7; my $courseseed=unpack("%32C*",$courseid); my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; - #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num=(($num<<32)>>32); } return $num; } } @@ -4239,8 +6947,9 @@ sub rndseed_64bit { my $num1=$symbchck+$symbseed+$namechck; my $num2=$nameseed+$domainseed+$courseseed; - #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } return "$num1,$num2"; } } @@ -4261,123 +6970,473 @@ sub rndseed_64bit2 { my $num1=$symbchck+$symbseed+$namechck; my $num2=$nameseed+$domainseed+$courseseed; - #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num:$symb"); + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } return "$num1,$num2"; } } +sub rndseed_64bit3 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval2($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval2($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + +sub rndseed_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval3($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval3($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&logthis("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + +sub rndseed_64bit5 { + my ($symb,$courseid,$domain,$username)=@_; + my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username"); + return "$num1:$num2"; +} + sub rndseed_CODE_64bit { my ($symb,$courseid,$domain,$username)=@_; { use integer; my $symbchck=unpack("%32S*",$symb.' ') << 16; - my $symbseed=numval($symb); - my $CODEseed=numval($ENV{'scantron.CODE'}) << 16; + my $symbseed=numval2($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval(&getCODE()); my $courseseed=unpack("%32S*",$courseid.' '); - my $num1=$symbseed+$CODEseed; - my $num2=$courseseed+$symbchck; - #&Apache::lonxml::debug("$symbseed:$CODEseed|$courseseed:$symbchck"); - #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); - return "$num1,$num2"; + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&logthis("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + +sub rndseed_CODE_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval3($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval3(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&logthis("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; } } +sub rndseed_CODE_64bit5 { + my ($symb,$courseid,$domain,$username)=@_; + my $code = &getCODE(); + my ($num1,$num2)=&digest("$symb,$courseid,$code"); + return "$num1:$num2"; +} + sub setup_random_from_rndseed { my ($rndseed)=@_; - if ($rndseed =~/,/) { - my ($num1,$num2)=split(/,/,$rndseed); + if ($rndseed =~/([,:])/) { + my ($num1,$num2)=split(/[,:]/,$rndseed); &Math::Random::random_set_seed(abs($num1),abs($num2)); } else { &Math::Random::random_set_seed_from_phrase($rndseed); } } +sub latest_receipt_algorithm_id { + return 'receipt2'; +} + +sub recunique { + my $fucourseid=shift; + my $unique; + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') { + $unique=$env{"course.$fucourseid.internal.encseed"}; + } else { + $unique=$perlvar{'lonReceipt'}; + } + return unpack("%32C*",$unique); +} + +sub recprefix { + my $fucourseid=shift; + my $prefix; + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') { + $prefix=$env{"course.$fucourseid.internal.encpref"}; + } else { + $prefix=$perlvar{'lonHostID'}; + } + return unpack("%32C*",$prefix); +} + sub ireceipt { - my ($funame,$fudom,$fucourseid,$fusymb)=@_; + my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_; my $cuname=unpack("%32C*",$funame); my $cudom=unpack("%32C*",$fudom); my $cucourseid=unpack("%32C*",$fucourseid); my $cusymb=unpack("%32C*",$fusymb); - my $cunique=unpack("%32C*",$perlvar{'lonReceipt'}); - return unpack("%32C*",$perlvar{'lonHostID'}).'-'. - ($cunique%$cuname+ - $cunique%$cudom+ - $cusymb%$cuname+ - $cusymb%$cudom+ - $cucourseid%$cuname+ - $cucourseid%$cudom); + my $cunique=&recunique($fucourseid); + my $cpart=unpack("%32S*",$part); + my $return =&recprefix($fucourseid).'-'; + if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' || + $env{'request.state'} eq 'construct') { + #&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom)); + + $return.= ($cunique%$cuname+ + $cunique%$cudom+ + $cusymb%$cuname+ + $cusymb%$cudom+ + $cucourseid%$cuname+ + $cucourseid%$cudom+ + $cpart%$cuname+ + $cpart%$cudom); + } else { + $return.= ($cunique%$cuname+ + $cunique%$cudom+ + $cusymb%$cuname+ + $cusymb%$cudom+ + $cucourseid%$cuname+ + $cucourseid%$cudom); + } + return $return; } sub receipt { - my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); - return &ireceipt($name,$domain,$courseid,$symb); + my ($part)=@_; + my ($symb,$courseid,$domain,$name) = &whichuser(); + return &ireceipt($name,$domain,$courseid,$symb,$part); +} + +sub whichuser { + my ($passedsymb)=@_; + my ($symb,$courseid,$domain,$name,$publicuser); + if (defined($env{'form.grade_symb'})) { + my ($tmp_courseid)=&get_env_multiple('form.grade_courseid'); + my $allowed=&allowed('vgr',$tmp_courseid); + if (!$allowed && + exists($env{'request.course.sec'}) && + $env{'request.course.sec'} !~ /^\s*$/) { + $allowed=&allowed('vgr',$tmp_courseid. + '/'.$env{'request.course.sec'}); + } + if ($allowed) { + ($symb)=&get_env_multiple('form.grade_symb'); + $courseid=$tmp_courseid; + ($domain)=&get_env_multiple('form.grade_domain'); + ($name)=&get_env_multiple('form.grade_username'); + return ($symb,$courseid,$domain,$name,$publicuser); + } + } + if (!$passedsymb) { + $symb=&symbread(); + } else { + $symb=$passedsymb; + } + $courseid=$env{'request.course.id'}; + $domain=$env{'user.domain'}; + $name=$env{'user.name'}; + if ($name eq 'public' && $domain eq 'public') { + if (!defined($env{'form.username'})) { + $env{'form.username'}.=time.rand(10000000); + } + $name.=$env{'form.username'}; + } + return ($symb,$courseid,$domain,$name,$publicuser); + } # ------------------------------------------------------------ Serves up a file -# returns either the contents of the file or a -1 +# returns either the contents of the file or +# -1 if the file doesn't exist +# +# if the target is a file that was uploaded via DOCS, +# a check will be made to see if a current copy exists on the local server, +# if it does this will be served, otherwise a copy will be retrieved from +# the home server for the course and stored in /home/httpd/html/userfiles on +# the local server. + sub getfile { - my $file=shift; - if ($file=~/^\/*uploaded\//) { # user file + my ($file) = @_; + if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } + &repcopy($file); + return &readfile($file); +} + +sub repcopy_userfile { + my ($file)=@_; + if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } + if ($file =~ m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + my ($cdom,$cnum,$filename) = + ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|); + my $uri="/uploaded/$cdom/$cnum/$filename"; + if (-e "$file") { +# we already have a local copy, check it out + my @fileinfo = stat($file); + my $rtncode; + my $info; + my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode); + if ($lwpresp ne 'ok') { +# there is no such file anymore, even though we had a local copy + if ($rtncode eq '404') { + unlink($file); + } + return -1; + } + if ($info < $fileinfo[9]) { +# nice, the file we have is up-to-date, just say okay + return 'ok'; + } else { +# the file is outdated, get rid of it + unlink($file); + } + } +# one way or the other, at this point, we don't have the file +# construct the correct path for the file + my @parts = ($cdom,$cnum); + if ($filename =~ m|^(.+)/[^/]+$|) { + push @parts, split(/\//,$1); + } + my $path = $perlvar{'lonDocRoot'}.'/userfiles'; + foreach my $part (@parts) { + $path .= '/'.$part; + if (!-e $path) { + mkdir($path,0770); + } + } +# now the path exists for sure +# get a user agent + my $ua=new LWP::UserAgent; + my $transferfile=$file.'.in.transfer'; +# FIXME: this should flock + if (-e $transferfile) { return 'ok'; } + my $request; + $uri=~s/^\///; + $request=new HTTP::Request('GET','http://'.$hostname{&homeserver($cnum,$cdom)}.'/raw/'.$uri); + my $response=$ua->request($request,$transferfile); +# did it work? + if ($response->is_error()) { + unlink($transferfile); + &logthis("Userfile repcopy failed for $uri"); + return -1; + } +# worked, rename the transfer file + rename($transferfile,$file); + return 'ok'; +} + +sub tokenwrapper { + my $uri=shift; + $uri=~s|^http\://([^/]+)||; + $uri=~s|^/||; + $env{'user.environment'}=~/\/([^\/]+)\.id/; + my $token=$1; + my (undef,$udom,$uname,$file)=split('/',$uri,4); + if ($udom && $uname && $file) { + $file=~s|(\?\.*)*$||; + &appenv("userfile.$udom/$uname/$file" => $env{'request.course.id'}); + return 'http://'.$hostname{ &homeserver($uname,$udom)}.'/'.$uri. + (($uri=~/\?/)?'&':'?').'token='.$token. + '&tokenissued='.$perlvar{'lonHostID'}; + } else { + return '/adm/notfound.html'; + } +} + +# call with reqtype HEAD: get last modification time +# call with reqtype GET: get the file contents +# Do not call this with reqtype GET for large files! It loads everything into memory +# +sub getuploaded { + my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; + $uri=~s/^\///; + $uri = 'http://'.$hostname{ &homeserver($cnum,$cdom)}.'/raw/'.$uri; my $ua=new LWP::UserAgent; - my $request=new HTTP::Request('GET',&tokenwrapper($file)); + my $request=new HTTP::Request($reqtype,$uri); my $response=$ua->request($request); - if ($response->is_success()) { - return $response->content; - } else { - return -1; - } - } else { # normal file from res space - &repcopy($file); - if (! -e $file ) { return -1; }; - my $fh=Apache::File->new($file); - my $a=''; - while (<$fh>) { $a .=$_; } - return $a; - } + $$rtncode = $response->code; + if (! $response->is_success()) { + return 'failed'; + } + if ($reqtype eq 'HEAD') { + $$info = &HTTP::Date::str2time( $response->header('Last-modified') ); + } elsif ($reqtype eq 'GET') { + $$info = $response->content; + } + return 'ok'; +} + +sub readfile { + my $file = shift; + if ( (! -e $file ) || ($file eq '') ) { return -1; }; + my $fh; + open($fh,"<$file"); + my $a=''; + while (my $line = <$fh>) { $a .= $line; } + return $a; } sub filelocation { - my ($dir,$file) = @_; - my $location; - $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces - if ($file=~m:^/~:) { # is a contruction space reference - $location = $file; - $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; - } elsif ($file=~/^\/*uploaded/) { # is an uploaded file - $location=$file; - } else { - $file=~s/^$perlvar{'lonDocRoot'}//; - $file=~s:^/*res::; - if ( !( $file =~ m:^/:) ) { - $location = $dir. '/'.$file; + my ($dir,$file) = @_; + my $location; + $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces + + if ($file =~ m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; + } + if ($file=~m:^/~:) { # is a contruction space reference + $location = $file; + $location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; + } elsif ($file=~m{^/home/$match_username/public_html/}) { + # is a correct contruction space reference + $location = $file; + } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file + my ($udom,$uname,$filename)= + ($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-); + my $home=&homeserver($uname,$udom); + my $is_me=0; + my @ids=¤t_machine_ids(); + foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } + if ($is_me) { + $location=&propath($udom,$uname). + '/userfiles/'.$filename; + } else { + $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. + $udom.'/'.$uname.'/'.$filename; + } } else { - $location = '/home/httpd/html/res'.$file; + $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; + $file=~s:^/res/:/:; + if ( !( $file =~ m:^/:) ) { + $location = $dir. '/'.$file; + } else { + $location = '/home/httpd/html/res'.$file; + } } - } - $location=~s://+:/:g; # remove duplicate / - while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. - return $location; + $location=~s://+:/:g; # remove duplicate / + while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. + while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./ + return $location; } sub hreflocation { my ($dir,$file)=@_; - unless (($file=~/^http:\/\//i) || ($file=~/^\//)) { - my $finalpath=filelocation($dir,$file); - $finalpath=~s/^\/home\/httpd\/html//; - $finalpath=~s-/home/(\w+)/public_html/-/~$1/-; - return $finalpath; - } else { - return $file; + unless (($file=~m-^http://-i) || ($file=~m-^/-)) { + $file=filelocation($dir,$file); + } elsif ($file=~m-^/adm/-) { + $file=~s-^/adm/wrapper/-/-; + $file=~s-^/adm/coursedocs/showdoc/-/-; + } + if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) { + $file=~s-^\Q$perlvar{'lonDocRoot'}\E--; + } elsif ($file=~m-/home/($match_username)/public_html/-) { + $file=~s-^/home/($match_username)/public_html/-/~$1/-; + } elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) { + $file=~s-^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/ + -/uploaded/$1/$2/-x; + } + return $file; +} + +sub current_machine_domains { + my $hostname=$hostname{$perlvar{'lonHostID'}}; + my @domains; + while( my($id, $name) = each(%hostname)) { +# &logthis("-$id-$name-$hostname-"); + if ($hostname eq $name) { + push(@domains,$hostdom{$id}); + } } + return @domains; +} + +sub current_machine_ids { + my $hostname=$hostname{$perlvar{'lonHostID'}}; + my @ids; + while( my($id, $name) = each(%hostname)) { +# &logthis("-$id-$name-$hostname-"); + if ($hostname eq $name) { + push(@ids,$id); + } + } + return @ids; +} + +sub additional_machine_domains { + my @domains; + open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab"); + while( my $line = <$fh>) { + $line =~ s/\s//g; + push(@domains,$line); + } + return @domains; +} + +sub default_login_domain { + my $domain = $perlvar{'lonDefDomain'}; + my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; + foreach my $posdom (¤t_machine_domains(), + &additional_machine_domains()) { + if (lc($posdom) eq lc($testdomain)) { + $domain=$posdom; + last; + } + } + return $domain; } # ------------------------------------------------------------- Declutters URLs sub declutter { my $thisfn=shift; - $thisfn=~s/^$perlvar{'lonDocRoot'}//; + if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); } + $thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; $thisfn=~s/^\///; + $thisfn=~s|^adm/wrapper/||; + $thisfn=~s|^adm/coursedocs/showdoc/||; $thisfn=~s/^res\///; $thisfn=~s/\?.+$//; return $thisfn; @@ -4387,33 +7446,63 @@ sub declutter { sub clutter { my $thisfn='/'.&declutter(shift); - unless ($thisfn=~/^\/(uploaded|adm|userfiles|ext|raw|priv)\//) { + unless ($thisfn=~/^\/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)\//) { $thisfn='/res'.$thisfn; } + if ($thisfn !~m|/adm|) { + if ($thisfn =~ m|/ext/|) { + $thisfn='/adm/wrapper'.$thisfn; + } else { + my ($ext) = ($thisfn =~ /\.(\w+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($ext); + if ($embstyle eq 'ssi' + || ($embstyle eq 'hdn') + || ($embstyle eq 'rat') + || ($embstyle eq 'prv') + || ($embstyle eq 'ign')) { + #do nothing with these + } elsif (($embstyle eq 'img') + || ($embstyle eq 'emb') + || ($embstyle eq 'wrp')) { + $thisfn='/adm/wrapper'.$thisfn; + } elsif ($embstyle eq 'unk' + && $thisfn!~/\.(sequence|page)$/) { + $thisfn='/adm/coursedocs/showdoc'.$thisfn; + } else { +# &logthis("Got a blank emb style"); + } + } + } return $thisfn; } -# -------------------------------------------------------- Escape Special Chars - -sub escape { - my $str=shift; - $str =~ s/(\W)/"%".unpack('H2',$1)/eg; - return $str; +sub clutter_with_no_wrapper { + my $uri = &clutter(shift); + if ($uri =~ m-^/adm/-) { + $uri =~ s-^/adm/wrapper/-/-; + $uri =~ s-^/adm/coursedocs/showdoc/-/-; + } + return $uri; } -# ----------------------------------------------------- Un-Escape Special Chars - -sub unescape { - my $str=shift; - $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - return $str; +sub freeze_escape { + my ($value)=@_; + if (ref($value)) { + $value=&nfreeze($value); + return '__FROZEN__'.&escape($value); + } + return &escape($value); } -sub mod_perl_version { - if (defined($perlvar{'MODPERL2'})) { - return 2; + +sub thaw_unescape { + my ($value)=@_; + if ($value =~ /^__FROZEN__/) { + substr($value,0,10,undef); + $value=&unescape($value); + return &thaw($value); } - return 1; + return &unescape($value); } sub correct_line_ends { @@ -4426,62 +7515,45 @@ sub correct_line_ends { sub goodbye { &logthis("Starting Shut down"); #not converted to using infrastruture and probably shouldn't be - &logthis(sprintf("%-20s is %s",'%badServerCache',scalar(%badServerCache))); + &logthis(sprintf("%-20s is %s",'%badServerCache',length(&freeze(\%badServerCache)))); #converted - &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); - &logthis(sprintf("%-20s is %s",'%homecache',scalar(%homecache))); - &logthis(sprintf("%-20s is %s",'%titlecache',scalar(%titlecache))); - &logthis(sprintf("%-20s is %s",'%courseresdatacache',scalar(%courseresdatacache))); +# &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); + &logthis(sprintf("%-20s is %s",'%homecache',length(&freeze(\%homecache)))); +# &logthis(sprintf("%-20s is %s",'%titlecache',length(&freeze(\%titlecache)))); +# &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&freeze(\%courseresdatacache)))); #1.1 only - &logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache))); - &logthis(sprintf("%-20s is %s",'%usectioncache',scalar(%usectioncache))); - &logthis(sprintf("%-20s is %s",'%courseresversioncache',scalar(%courseresversioncache))); - &logthis(sprintf("%-20s is %s",'%resversioncache',scalar(%resversioncache))); +# &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&freeze(\%userresdatacache)))); +# &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&freeze(\%getsectioncache)))); +# &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&freeze(\%courseresversioncache)))); +# &logthis(sprintf("%-20s is %s",'%resversioncache',length(&freeze(\%resversioncache)))); + &logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered)))); + &logthis(sprintf("%-20s is %s",'kicks',$kicks)); + &logthis(sprintf("%-20s is %s",'hits',$hits)); &flushcourselogs(); &logthis("Shutting down"); - return DONE; } BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf unless ($readit) { { - my $config=Apache::File->new("/etc/httpd/conf/loncapa.conf"); - - while (my $configline=<$config>) { - if ($configline =~ /^[^\#]*PerlSetVar/) { - my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); - chomp($varvalue); - $perlvar{$varname}=$varvalue; - } - } -} -{ - my $config=Apache::File->new("/etc/httpd/conf/loncapa_apache.conf"); - - while (my $configline=<$config>) { - if ($configline =~ /^[^\#]*PerlSetVar/) { - my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); - chomp($varvalue); - $perlvar{$varname}=$varvalue; - } - } + my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf'); + %perlvar = (%perlvar,%{$configvars}); } # ------------------------------------------------------------ Read domain file { - my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}. - '/domain.tab'); %domaindescription = (); %domain_auth_def = (); %domain_auth_arg_def = (); - if ($fh) { - while (<$fh>) { - next if (/^(\#|\s*$)/); + my $fh; + if (open($fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/domain.tab')) { + while (my $line = <$fh>) { + next if ($line =~ /^(\#|\s*$)/); # next if /^\#/; - chomp; + chomp $line; my ($domain, $domain_description, $def_auth, $def_auth_arg, - $def_lang, $city, $longi, $lati) = split(/:/,$_); + $def_lang, $city, $longi, $lati, $primary) = split(/:/,$line,9); $domain_auth_def{$domain}=$def_auth; $domain_auth_arg_def{$domain}=$def_auth_arg; $domaindescription{$domain}=$domain_description; @@ -4489,86 +7561,121 @@ BEGIN { $domain_city{$domain}=$city; $domain_longi{$domain}=$longi; $domain_lati{$domain}=$lati; + $domain_primary{$domain}=$primary; -# &logthis("Domain.tab: $domain, $domain_auth_def{$domain}, $domain_auth_arg_def{$domain},$domaindescription{$domain}"); + # &logthis("Domain.tab: $domain, $domain_auth_def{$domain}, $domain_auth_arg_def{$domain},$domaindescription{$domain}"); # &logthis("Domain.tab: $domain ".$domaindescription{$domain} ); - } + } } + close ($fh); } # ------------------------------------------------------------- Read hosts file { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/hosts.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); while (my $configline=<$config>) { next if ($configline =~ /^(\#|\s*$)/); chomp($configline); - my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline); - if ($id && $domain && $role && $name && $ip) { + my ($id,$domain,$role,$name)=split(/:/,$configline); + $name=~s/\s//g; + if ($id && $domain && $role && $name) { $hostname{$id}=$name; $hostdom{$id}=$domain; - $hostip{$id}=$ip; - $iphost{$ip}=$id; if ($role eq 'library') { $libserv{$id}=$name; } - } else { - if ($configline) { - &logthis("Skipping hosts.tab line -$configline-"); - } } } + close($config); + # FIXME: dev server don't want this, production servers _do_ want this + #&get_iphost(); +} + +sub get_iphost { + if (%iphost) { return %iphost; } + my %name_to_ip; + foreach my $id (keys(%hostname)) { + my $name=$hostname{$id}; + my $ip; + if (!exists($name_to_ip{$name})) { + $ip = gethostbyname($name); + if (!$ip || length($ip) ne 4) { + &logthis("Skipping host $id name $name no IP found"); + next; + } + $ip=inet_ntoa($ip); + $name_to_ip{$name} = $ip; + } else { + $ip = $name_to_ip{$name}; + } + push(@{$iphost{$ip}},$id); + } + return %iphost; } # ------------------------------------------------------ Read spare server file { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/spare.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); while (my $configline=<$config>) { chomp($configline); if ($configline) { - $spareid{$configline}=1; + my ($host,$type) = split(':',$configline,2); + if (!defined($type) || $type eq '') { $type = 'default' }; + push(@{ $spareid{$type} }, $host); } } + close($config); } # ------------------------------------------------------------ Read permissions { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/roles.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/roles.tab"); while (my $configline=<$config>) { - chomp($configline); - if ($configline) { - my ($role,$perm)=split(/ /,$configline); - if ($perm ne '') { $pr{$role}=$perm; } - } + chomp($configline); + if ($configline) { + my ($role,$perm)=split(/ /,$configline); + if ($perm ne '') { $pr{$role}=$perm; } + } } + close($config); } # -------------------------------------------- Read plain texts for permissions { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/rolesplain.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab"); while (my $configline=<$config>) { - chomp($configline); - if ($configline) { - my ($short,$plain)=split(/:/,$configline); - if ($plain ne '') { $prp{$short}=$plain; } - } + chomp($configline); + if ($configline) { + my ($short,@plain)=split(/:/,$configline); + %{$prp{$short}} = (); + if (@plain > 0) { + $prp{$short}{'std'} = $plain[0]; + for (my $i=1; $i<@plain; $i++) { + $prp{$short}{'alt'.$i} = $plain[$i]; + } + } + } } + close($config); } # ---------------------------------------------------------- Read package table { - my $config=Apache::File->new("$perlvar{'lonTabDir'}/packages.tab"); + open(my $config,"<$perlvar{'lonTabDir'}/packages.tab"); while (my $configline=<$config>) { - chomp($configline); - my ($short,$plain)=split(/:/,$configline); - my ($pack,$name)=split(/\&/,$short); - if ($plain ne '') { - $packagetab{$pack.'&'.$name.'&name'}=$name; - $packagetab{$short}=$plain; - } + if ($configline !~ /\S/ || $configline=~/^#/) { next; } + chomp($configline); + my ($short,$plain)=split(/:/,$configline); + my ($pack,$name)=split(/\&/,$short); + if ($plain ne '') { + $packagetab{$pack.'&'.$name.'&name'}=$name; + $packagetab{$short}=$plain; + } } + close($config); } # ------------- set up temporary directory @@ -4577,14 +7684,22 @@ BEGIN { } -%metacache=(); +$memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'], + 'compress_threshold'=> 20_000, + }); $processmarker='_'.time.'_'.$perlvar{'lonHostID'}; $dumpcount=0; &logtouch(); -&logthis('INFO: Read configuration'); +&logthis('INFO: Read configuration'); $readit=1; + { + use integer; + my $test=(2**32)+1; + if ($test != 0) { $_64bit=1; } else { $_64bit=0; } + &logthis(" Detected 64bit platform ($_64bit)"); + } } } @@ -4759,14 +7874,21 @@ that was requested X B: the value of %hash is written to the user envirnoment file, and will be restored for each access this -user makes during this session, also modifies the %ENV for the current +user makes during this session, also modifies the %env for the current process =item * X B: removes all items from the session environment file that matches the regular expression in $regexp. The -values are also delted from the current processes %ENV. +values are also delted from the current processes %env. + +=item * get_env_multiple($name) + +gets $name from the %env hash, it seemlessly handles the cases where multiple +values may be defined and end up as an array ref. + +returns an array of values =back @@ -4812,8 +7934,8 @@ X B: get user privileges =item * -X -B: finds the section of student in the +X +B: finds the section of student in the course $cname, return section name/number or '' for "not in course" and '-1' for "no section" @@ -4830,13 +7952,13 @@ passed in @what from the requested user' =item * -allowed($priv,$uri) : check for a user privilege; returns codes for allowed -actions +allowed($priv,$uri,$symb,$role) : check for a user privilege; returns codes for allowed actions F: full access U,I,K: authentication modes (cxx only) '': forbidden 1: user needs to choose course 2: browse allowed + A: passphrase authentication needed =item * @@ -4849,6 +7971,9 @@ and course level plaintext($short) : return value in %prp hash (rolesplain.tab); plain text explanation of a user role term +=item * + +get_my_roles($uname,$udom,$types,$roles,$roledoms) : All arguments are optional. Returns a hash of a user's roles, with keys set to colon-sparated $uname,$udom,and $role, and value set to colon-separated start and end times for the role. If no username and domain are specified, will default to current user/domain. Types, roles, and roledoms are references to arrays, of role statuses (active, future or previous), roles (e.g., cc,in, st etc.) and domains of the roles which can be used to restrict the list if roles reported. If no array ref is provided for types, will default to return only active roles. =back =head2 User Modification @@ -4979,13 +8104,17 @@ revokecustomrole($udom,$uname,$url,$role =item * -coursedescription($courseid) : course description +coursedescription($courseid) : returns a hash of information about the +specified course id, including all environment settings for the +course, the description of the course will be in the hash under the +key 'description' =item * -courseresdata($coursenum,$coursedomain,@which) : request for current -parameter setting for a specific course, @what should be a list of -parameters to ask about. This routine caches answers for 5 minutes. +resdata($name,$domain,$type,@which) : request for current parameter +setting for a specific $type, where $type is either 'course' or 'user', +@what should be a list of parameters to ask about. This routine caches +answers for 5 minutes. =back @@ -5016,8 +8145,8 @@ subscribe($fname) : subscribe to a resou repcopy($filename) : subscribes to the requested file, and attempts to replicate from the owning library server, Might return -HTTP_SERVICE_UNAVAILABLE, HTTP_NOT_FOUND, FORBIDDEN, OK, or -HTTP_BAD_REQUEST, also attempts to grab the metadata for the +'unavailable', 'not_found', 'forbidden', 'ok', or +'bad_request', also attempts to grab the metadata for the resource. Expects the local filesystem pathname (/home/httpd/html/res/....) @@ -5071,9 +8200,10 @@ returns the data handle =item * symbverify($symb,$thisfn) : verifies that $symb actually exists and is -a possible symb for the URL in $thisfn, returns a 1 on success, 0 on -failure, user must be in a course, as it assumes the existance of the -course initi hash, and uses $ENV('request.course.id'} +a possible symb for the URL in $thisfn, and if is an encryypted +resource that the user accessed using /enc/ returns a 1 on success, 0 +on failure, user must be in a course, as it assumes the existance of +the course initial hash, and uses $env('request.course.id'} =item * @@ -5104,7 +8234,7 @@ unfakeable, receipt =item * -receipt() : API to ireceipt working off of ENV values; given out to users +receipt() : API to ireceipt working off of env values; given out to users =item * @@ -5138,7 +8268,7 @@ forcing spreadsheet to reevaluate the re store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently for this url; hashref needs to be given and should be a \%hashname; the remaining args aren't required and if they aren't passed or are '' they will -be derived from the ENV +be derived from the env =item * @@ -5152,6 +8282,27 @@ all args are optional =item * +dumpstore($namespace,$udom,$uname,$regexp,$range) : +dumps the complete (or key matching regexp) namespace into a hash +($udom, $uname, $regexp, $range are optional) for a namespace that is +normally &store()ed into + +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) + + +=item * + +putstore($namespace,$symb,$version,$storehash,$udomain,$uname) : +replaces a &store() version of data with a replacement set of data +for a particular resource in a namespace passed in the $storehash hash +reference + +=item * + tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that works very similar to store/cstore, but all data is stored in a temporary location and can be reset using tmpreset, $storehash should @@ -5181,9 +8332,22 @@ namesp ($udom and $uname are optional) =item * -dump($namespace,$udom,$uname,$regexp) : +dump($namespace,$udom,$uname,$regexp,$range) : dumps the complete (or key matching regexp) namespace into a hash -($udom, $uname and $regexp are optional) +($udom, $uname, $regexp, $range are optional) + +$range should be either an integer '100' (give me the first 100 + matching records) + or be two integers sperated by a - with no spaces + '30-50' (give me the 30th through the 50th matching + records) +=item * + +inc($namespace,$store,$udom,$uname) : increments $store in $namespace. +$store can be a scalar, an array reference, or if the amount to be +incremented is > 1, a hash reference. + +($udom and $uname are optional) =item * @@ -5197,6 +8361,31 @@ cput($namespace,$storehash,$udom,$uname) =item * +newput($namespace,$storehash,$udom,$uname) : + +Attempts to store the items in the $storehash, but only if they don't +currently exist, if this succeeds you can be certain that you have +successfully created a new key value pair in the $namespace db. + + +Args: + $namespace: name of database to store values to + $storehash: hashref to store to the db + $udom: (optional) domain of user containing the db + $uname: (optional) name of user caontaining the db + +Returns: + 'ok' -> succeeded in storing all keys of $storehash + 'key_exists: ' -> failed to anything out of $storehash, as at + least already existed in the db (other + requested keys may also already exist) + 'error: ' -> unable to tie the DB or other erorr occured + 'con_lost' -> unable to contact request server + 'refused' -> action was not allowed by remote machine + + +=item * + eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array reference filled in from namesp (encrypts the return communication) ($udom and $uname are optional) @@ -5206,6 +8395,15 @@ reference filled in from namesp (encrypt log($udom,$name,$home,$message) : write to permanent log for user; use critical subroutine +=item * + +get_dom($namespace,$storearr,$udomain) : returns hash with keys from array +reference filled in from namespace found in domain level on primary domain server ($udomain is optional) + +=item * + +put_dom($namespace,$storehash,$udomain) : stores hash in namespace at domain level on primary domain server ($udomain is optional) + =back =head2 Network Status Functions @@ -5297,8 +8495,39 @@ messages of critical importance should g =item * -getfile($file) : returns the entire contents of a file or -1; it -properly subscribes to and replicates the file if neccessary. +getfile($file,$caller) : two cases - requests for files in /res or in /uploaded. +(a) files in /uploaded + (i) If a local copy of the file exists - + compares modification date of local copy with last-modified date for + definitive version stored on home server for course. If local copy is + stale, requests a new version from the home server and stores it. + If the original has been removed from the home server, then local copy + is unlinked. + (ii) If local copy does not exist - + requests the file from the home server and stores it. + + If $caller is 'uploadrep': + This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase) + for request for files originally uploaded via DOCS. + - returns 'ok' if fresh local copy now available, -1 otherwise. + + Otherwise: + This indicates a call from the content generation phase of the request. + - returns the entire contents of the file or -1. + +(b) files in /res + - returns the entire contents of a file or -1; + it properly subscribes to and replicates the file if neccessary. + + +=item * + +stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file + reference + +returns either a stat() list of data about the file or an empty list +if the file doesn't exist or couldn't find out about it (connection +problems or user unknown) =item * @@ -5318,6 +8547,178 @@ declutter() : declutters URLs (remove do =back +=head2 Usererfile file routines (/uploaded*) + +=over 4 + +=item * + +userfileupload(): main rotine for putting a file in a user or course's + filespace, arguments are, + + formname - required - this is the name of the element in $env where the + filename, and the contents of the file to create/modifed exist + the filename is in $env{'form.'.$formname.'.filename'} and the + contents of the file is located in $env{'form.'.$formname} + coursedoc - if true, store the file in the course of the active role + of the current user + subdir - required - subdirectory to put the file in under ../userfiles/ + if undefined, it will be placed in "unknown" + + (This routine calls clean_filename() to remove any dangerous + characters from the filename, and then calls finuserfileupload() to + complete the transaction) + + returns either the url of the uploaded file (/uploaded/....) if successful + and /adm/notfound.html if unsuccessful + +=item * + +clean_filename(): routine for cleaing a filename up for storage in + userfile space, argument is: + + filename - proposed filename + +returns: the new clean filename + +=item * + +finishuserfileupload(): routine that creaes and sends the file to +userspace, probably shouldn't be called directly + + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + formname: same as for userfileupload() + fname: filename (inculding subdirectories) for the file + + returns either the url of the uploaded file (/uploaded/....) if successful + and /adm/notfound.html if unsuccessful + +=item * + +renameuserfile(): renames an existing userfile to a new name + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + old: current file name (including any subdirs under userfiles) + new: desired file name (including any subdirs under userfiles) + +=item * + +mkdiruserfile(): creates a directory is a userfiles dir + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + dir: dir to create (including any subdirs under userfiles) + +=item * + +removeuserfile(): removes a file that exists in userfiles + + Args: + docuname: username or courseid of destination for the file + docudom: domain of user/course of destination for the file + fname: filname to delete (including any subdirs under userfiles) + +=item * + +removeuploadedurl(): convience function for removeuserfile() + + Args: + url: a full /uploaded/... url to delete + +=item * + +get_portfile_permissions(): + Args: + domain: domain of user or course contain the portfolio files + user: name of user or num of course contain the portfolio files + Returns: + hashref of a dump of the proper file_permissions.db + + +=item * + +get_access_controls(): + +Args: + current_permissions: the hash ref returned from get_portfile_permissions() + group: (optional) the group you want the files associated with + file: (optional) the file you want access info on + +Returns: + a hash (keys are file names) of hashes containing + keys are: path to file/file_name\0uniqueID:scope_end_start (see below) + values are XML containing access control settings (see below) + +Internal notes: + + access controls are stored in file_permissions.db as key=value pairs. + key -> path to file/file_name\0uniqueID:scope_end_start + where scope -> public,guest,course,group,domains or users. + end -> UNIX time for end of access (0 -> no end date) + start -> UNIX time for start of access + + value -> XML description of access control + (type =1 of: public,guest,course,group,domains,users"> + + + + for scope type = guest + + for scope type = course or group + + + + +
+ + + + for scope type = domains + + for scope type = users + + + + + + + + Access data is also aggregated for each file in an additional key=value pair: + key -> path to file/file_name\0accesscontrol + value -> reference to hash + hash contains key = value pairs + where key = uniqueID:scope_end_start + value = UNIX time record was last updated + + Used to improve speed of look-ups of access controls for each file. + + Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. + +modify_access_controls(): + +Modifies access controls for a portfolio file +Args +1. file name +2. reference to hash of required changes, +3. domain +4. username + where domain,username are the domain of the portfolio owner + (either a user or a course) + +Returns: +1. result of additions or updates ('ok' or 'error', with error message). +2. result of deletions ('ok' or 'error', with error message). +3. reference to hash of any new or updated access controls. +4. reference to hash used to map incoming IDs to uniqueIDs assigned to control. + key = integer (inbound ID) + value = uniqueID + +=back + =head2 HTTP Helper Routines =over 4