--- loncom/lonnet/perl/lonnet.pm 2008/12/21 19:03:10 1.981 +++ loncom/lonnet/perl/lonnet.pm 2012/08/01 04:56:54 1.1172.2.8 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.981 2008/12/21 19:03:10 raeburn Exp $ +# $Id: lonnet.pm,v 1.1172.2.8 2012/08/01 04:56:54 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -75,9 +75,9 @@ use LWP::UserAgent(); use HTTP::Date; use Image::Magick; -# use Date::Parse; use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir - $_64bit %env %protocol); + $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease + %managerstab); my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash, %userrolehash, $processmarker, $dumpcount, %coursedombuf, @@ -93,14 +93,16 @@ use Time::HiRes qw( gettimeofday tv_inte use Cache::Memcached; use Digest::MD5; use Math::Random; +use File::MMagic; use LONCAPA qw(:DEFAULT :match); use LONCAPA::Configuration; +use LONCAPA::lonmetadata; + +use File::Copy; my $readit; my $max_connection_retries = 10; # Or some such value. -my $upload_photo_form = 0; #Variable to check when user upload a photo 0=not 1=true - require Exporter; our @ISA = qw (Exporter); @@ -150,7 +152,8 @@ sub logthis { my $now=time; my $local=localtime($now); if (open(my $fh,">>$execdir/logs/lonnet.log")) { - print $fh "$local ($$): $message\n"; + my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string. + print $fh $logstring; close($fh); } return 1; @@ -181,6 +184,175 @@ sub create_connection { return 0; } +sub get_server_timezone { + my ($cnum,$cdom) = @_; + my $home=&homeserver($cnum,$cdom); + if ($home ne 'no_host') { + my $cachetime = 24*3600; + my ($timezone,$cached)=&is_cached_new('servertimezone',$home); + if (defined($cached)) { + return $timezone; + } else { + my $timezone = &reply('servertimezone',$home); + return &do_cache_new('servertimezone',$home,$timezone,$cachetime); + } + } +} + +sub get_server_distarch { + my ($lonhost,$ignore_cache) = @_; + if (defined($lonhost)) { + if (!defined(&hostname($lonhost))) { + return; + } + my $cachetime = 12*3600; + if (!$ignore_cache) { + my ($distarch,$cached)=&is_cached_new('serverdistarch',$lonhost); + if (defined($cached)) { + return $distarch; + } + } + my $rep = &reply('serverdistarch',$lonhost); + unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' || + $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' || + $rep eq '') { + return &do_cache_new('serverdistarch',$lonhost,$rep,$cachetime); + } + } + return; +} + +sub get_server_loncaparev { + my ($dom,$lonhost,$ignore_cache,$caller) = @_; + if (defined($lonhost)) { + if (!defined(&hostname($lonhost))) { + undef($lonhost); + } + } + if (!defined($lonhost)) { + if (defined(&domain($dom,'primary'))) { + $lonhost=&domain($dom,'primary'); + if ($lonhost eq 'no_host') { + undef($lonhost); + } + } + } + if (defined($lonhost)) { + my $cachetime = 12*3600; + if (!$ignore_cache) { + my ($loncaparev,$cached)=&is_cached_new('serverloncaparev',$lonhost); + if (defined($cached)) { + return $loncaparev; + } + } + my ($answer,$loncaparev); + my @ids=¤t_machine_ids(); + if (grep(/^\Q$lonhost\E$/,@ids)) { + $answer = $perlvar{'lonVersion'}; + if ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) { + $loncaparev = $1; + } + } else { + $answer = &reply('serverloncaparev',$lonhost); + if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) { + if ($caller eq 'loncron') { + my $ua=new LWP::UserAgent; + $ua->timeout(4); + my $protocol = $protocol{$lonhost}; + $protocol = 'http' if ($protocol ne 'https'); + my $url = $protocol.'://'.&hostname($lonhost).'/adm/about.html'; + my $request=new HTTP::Request('GET',$url); + my $response=$ua->request($request); + unless ($response->is_error()) { + my $content = $response->content; + if ($content =~ /

VERSION\:\s*([\w.\-]+)<\/p>/) { + $loncaparev = $1; + } + } + } else { + $loncaparev = $loncaparevs{$lonhost}; + } + } elsif ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) { + $loncaparev = $1; + } + } + return &do_cache_new('serverloncaparev',$lonhost,$loncaparev,$cachetime); + } +} + +sub get_server_homeID { + my ($hostname,$ignore_cache,$caller) = @_; + unless ($ignore_cache) { + my ($serverhomeID,$cached)=&is_cached_new('serverhomeID',$hostname); + if (defined($cached)) { + return $serverhomeID; + } + } + my $cachetime = 12*3600; + my $serverhomeID; + if ($caller eq 'loncron') { + my @machine_ids = &machine_ids($hostname); + foreach my $id (@machine_ids) { + my $response = &reply('serverhomeID',$id); + unless (($response eq 'unknown_cmd') || ($response eq 'con_lost')) { + $serverhomeID = $response; + last; + } + } + if ($serverhomeID eq '') { + $serverhomeID = $machine_ids[-1]; + } + } else { + $serverhomeID = $serverhomeIDs{$hostname}; + } + return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime); +} + +sub get_remote_globals { + my ($lonhost,$whathash,$ignore_cache) = @_; + my ($result,%returnhash,%whatneeded); + if (ref($whathash) eq 'HASH') { + foreach my $what (sort(keys(%{$whathash}))) { + my $hashid = $lonhost.'-'.$what; + my ($response,$cached); + unless ($ignore_cache) { + ($response,$cached)=&is_cached_new('lonnetglobal',$hashid); + } + if (defined($cached)) { + $returnhash{$what} = $response; + } else { + $whatneeded{$what} = 1; + } + } + if (keys(%whatneeded) == 0) { + $result = 'ok'; + } else { + my $requested = &freeze_escape(\%whatneeded); + my $rep=&reply('readlonnetglobal:'.$requested,$lonhost); + if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') || + ($rep eq 'unknown_cmd')) { + $result = $rep; + } else { + $result = 'ok'; + my @pairs=split(/\&/,$rep); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + my $what = &unescape($key); + my $hashid = $lonhost.'-'.$what; + $returnhash{$what}=&thaw_unescape($value); + &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600); + } + } + } + } + return ($result,\%returnhash); +} + +sub remote_devalidate_cache { + my ($lonhost,$name,$id) = @_; + my $response = &reply('devalidatecache:'.&escape($name).':'.&escape($id),$lonhost); + return $response; +} # -------------------------------------------------- Non-critical communication sub subreply { @@ -424,13 +596,21 @@ sub transfer_profile_to_env { # ---------------------------------------------------- Check for valid session sub check_for_valid_session { - my ($r) = @_; + my ($r,$name) = @_; my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); - my $lonid=$cookies{'lonID'}; + if ($name eq '') { + $name = 'lonID'; + } + my $lonid=$cookies{$name}; return undef if (!$lonid); my $handle=&LONCAPA::clean_handle($lonid->value); - my $lonidsdir=$r->dir_config('lonIDsDir'); + my $lonidsdir; + if ($name eq 'lonDAV') { + $lonidsdir=$r->dir_config('lonDAVsessDir'); + } else { + $lonidsdir=$r->dir_config('lonIDsDir'); + } return undef if (!-e "$lonidsdir/$handle.id"); my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id"); @@ -512,11 +692,20 @@ sub appenv { # ----------------------------------------------------- Delete from Environment sub delenv { - my $delthis=shift; - if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { - &logthis("WARNING: ". - "Attempt to delete from environment ".$delthis); - return 'error'; + my ($delthis,$regexp,$roles) = @_; + if (($delthis=~/^user\.role/) || ($delthis=~/^user\.priv/)) { + my $refused = 1; + if (ref($roles) eq 'ARRAY') { + my ($type,$role) = ($delthis =~ /^user\.(role|priv)\.([^.]+)\./); + if (grep(/^\Q$role\E$/,@{$roles})) { + $refused = 0; + } + } + if ($refused) { + &logthis("WARNING: ". + "Attempt to delete from environment ".$delthis); + return 'error'; + } } my $opened = open(my $env_file,'+<',$env{'user.environment'}); if ($opened @@ -525,10 +714,17 @@ sub delenv { tie(my %disk_env,'GDBM_File',$env{'user.environment'}, (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) { foreach my $key (keys(%disk_env)) { - if ($key=~/^\Q$delthis\E/) { - delete($env{$key}); - delete($disk_env{$key}); - } + if ($regexp) { + if ($key=~/^$delthis/) { + delete($env{$key}); + delete($disk_env{$key}); + } + } else { + if ($key=~/^\Q$delthis\E/) { + delete($env{$key}); + delete($disk_env{$key}); + } + } } untie(%disk_env); } @@ -618,51 +814,48 @@ sub userload { return $userloadpercent; } -# ------------------------------------------ Fight off request when overloaded - -sub overloaderror { - my ($r,$checkserver)=@_; - unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } - my $loadavg; - if ($checkserver eq $perlvar{'lonHostID'}) { - open(my $loadfile,'/proc/loadavg'); - $loadavg=<$loadfile>; - $loadavg =~ s/\s.*//g; - $loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; - close($loadfile); - } else { - $loadavg=&reply('load',$checkserver); - } - my $overload=$loadavg-100; - if ($overload>0) { - $r->err_headers_out->{'Retry-After'}=$overload; - $r->log_error('Overload of '.$overload.' on '.$checkserver); - return 413; - } - return ''; -} - # ------------------------------ Find server with least workload from spare.tab sub spareserver { - my ($loadpercent,$userloadpercent,$want_server_name) = @_; + my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_; my $spare_server; if ($userloadpercent !~ /\d/) { $userloadpercent=0; } 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 '' && $lowest_load < 100); + my ($uint_dom,$remotesessions); + if (($udom ne '') && (&domain($udom) ne '')) { + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); + my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom); + $remotesessions = $udomdefaults{'remotesessions'}; + } + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { + if ($uint_dom) { + next unless (&spare_can_host($udom,$uint_dom,$remotesessions, + $try_server)); + } + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + } - if (!$found_server) { - foreach my $try_server (@{ $spareid{'default'} }) { - ($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) { + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + if ($uint_dom) { + next unless (&spare_can_host($udom,$uint_dom, + $remotesessions,$try_server)); + } + ($spare_server, $lowest_load) = + &compare_server_load($try_server, $spare_server, $lowest_load); + } + } + } } if (!$want_server_name) { @@ -670,7 +863,12 @@ sub spareserver { if ($protocol{$spare_server} eq 'https') { $protocol = $protocol{$spare_server}; } - $spare_server = $protocol.'://'.&hostname($spare_server); + if (defined($spare_server)) { + my $hostname = &hostname($spare_server); + if (defined($hostname)) { + $spare_server = $protocol.'://'.$hostname; + } + } } return $spare_server; } @@ -682,7 +880,7 @@ sub compare_server_load { my $userloadans = &reply('userload',$try_server); if ($loadans !~ /\d/ && $userloadans !~ /\d/) { - next; #didn't get a number from the server + return ($spare_server, $lowest_load); #didn't get a number from the server } my $load; @@ -708,9 +906,18 @@ sub compare_server_load { # --------------------------- ask offload servers if user already has a session sub find_existing_session { my ($udom,$uname) = @_; - foreach my $try_server (@{ $spareid{'primary'} }, - @{ $spareid{'default'} }) { - return $try_server if (&has_user_session($try_server, $udom, $uname)); + my $spareshash = &this_host_spares($udom); + if (ref($spareshash) eq 'HASH') { + if (ref($spareshash->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'primary'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } + if (ref($spareshash->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{ $spareshash->{'default'} }) { + return $try_server if (&has_user_session($try_server, $udom, $uname)); + } + } } return; } @@ -725,13 +932,53 @@ sub has_user_session { return 0; } +# --------- determine least loaded server in a user's domain which allows login + +sub choose_server { + my ($udom,$checkloginvia) = @_; + my %domconfhash = &Apache::loncommon::get_domainconf($udom); + my %servers = &get_servers($udom); + my $lowest_load = 30000; + my ($login_host,$hostname,$portal_path,$isredirect); + foreach my $lonhost (keys(%servers)) { + my $loginvia; + if ($checkloginvia) { + $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost}; + if ($loginvia) { + my ($server,$path) = split(/:/,$loginvia); + ($login_host, $lowest_load) = + &compare_server_load($server, $login_host, $lowest_load); + if ($login_host eq $server) { + $portal_path = $path; + $isredirect = 1; + } + } else { + ($login_host, $lowest_load) = + &compare_server_load($lonhost, $login_host, $lowest_load); + if ($login_host eq $lonhost) { + $portal_path = ''; + $isredirect = ''; + } + } + } else { + ($login_host, $lowest_load) = + &compare_server_load($lonhost, $login_host, $lowest_load); + } + } + if ($login_host ne '') { + $hostname = &hostname($login_host); + } + return ($login_host,$hostname,$portal_path,$isredirect); +} + # --------------------------------------------- Try to change a user's password sub changepass { my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_; $currentpass = &escape($currentpass); $newpass = &escape($newpass); - my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context", + my $lonhost = $perlvar{'lonHostID'}; + my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context:$lonhost", $server); if (! $answer) { &logthis("No reply on password change request to $server ". @@ -756,6 +1003,9 @@ sub changepass { } elsif ($answer =~ "^refused") { &logthis("$server refused to change $uname in $udom password because ". "it was sent an unencrypted request to change the password."); + } elsif ($answer =~ "invalid_client") { + &logthis("$server refused to change $uname in $udom password because ". + "it was a reset by e-mail originating from an invalid server."); } return $answer; } @@ -779,7 +1029,7 @@ sub queryauthenticate { # --------- Try to authenticate user from domain's lib servers (first this one) sub authenticate { - my ($uname,$upass,$udom,$checkdefauth)=@_; + my ($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)=@_; $upass=&escape($upass); $uname= &LONCAPA::clean_username($uname); my $uhome=&homeserver($uname,$udom,1); @@ -802,7 +1052,7 @@ sub authenticate { return 'no_host'; } } - my $answer=reply("encrypt:auth:$udom:$uname:$upass:$checkdefauth",$uhome); + my $answer=reply("encrypt:auth:$udom:$uname:$upass:$checkdefauth:$clientcancheckhost",$uhome); if ($answer eq 'authorized') { if ($newhome) { &logthis("User $uname at $udom authorized by $uhome, but needs account"); @@ -820,6 +1070,398 @@ sub authenticate { return 'no_host'; } +sub can_host_session { + my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_; + my $canhost = 1; + my $host_idn = &Apache::lonnet::internet_dom($lonhost); + if (ref($remotesessions) eq 'HASH') { + if (ref($remotesessions->{'excludedomain'}) eq 'ARRAY') { + if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'excludedomain'}})) { + $canhost = 0; + } else { + $canhost = 1; + } + } + if (ref($remotesessions->{'includedomain'}) eq 'ARRAY') { + if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'includedomain'}})) { + $canhost = 1; + } else { + $canhost = 0; + } + } + if ($canhost) { + if ($remotesessions->{'version'} ne '') { + my ($reqmajor,$reqminor) = ($remotesessions->{'version'} =~ /^(\d+)\.(\d+)$/); + if ($reqmajor ne '' && $reqminor ne '') { + if ($remoterev =~ /^\'?(\d+)\.(\d+)/) { + my $major = $1; + my $minor = $2; + if (($major < $reqmajor ) || + (($major == $reqmajor) && ($minor < $reqminor))) { + $canhost = 0; + } + } else { + $canhost = 0; + } + } + } + } + } + if ($canhost) { + if (ref($hostedsessions) eq 'HASH') { + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); + if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') { + if (($uint_dom ne '') && + (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) { + $canhost = 0; + } else { + $canhost = 1; + } + } + if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') { + if (($uint_dom ne '') && + (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) { + $canhost = 1; + } else { + $canhost = 0; + } + } + } + } + return $canhost; +} + +sub spare_can_host { + my ($udom,$uint_dom,$remotesessions,$try_server)=@_; + my $canhost=1; + my @intdoms; + my $internet_names = &Apache::lonnet::get_internet_names($try_server); + if (ref($internet_names) eq 'ARRAY') { + @intdoms = @{$internet_names}; + } + unless (grep(/^\Q$uint_dom\E$/,@intdoms)) { + my $serverhomeID = &Apache::lonnet::get_server_homeID($try_server); + my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); + my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); + my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server); + $canhost = &can_host_session($udom,$try_server,$remoterev, + $remotesessions, + $defdomdefaults{'hostedsessions'}); + } + return $canhost; +} + +sub this_host_spares { + my ($dom) = @_; + my ($dom_in_use,$lonhost_in_use,$result); + my @hosts = ¤t_machine_ids(); + foreach my $lonhost (@hosts) { + if (&host_domain($lonhost) eq $dom) { + $dom_in_use = $dom; + $lonhost_in_use = $lonhost; + last; + } + } + if ($dom_in_use ne '') { + $result = &spares_for_offload($dom_in_use,$lonhost_in_use); + } + if (ref($result) ne 'HASH') { + $lonhost_in_use = $perlvar{'lonHostID'}; + $dom_in_use = &host_domain($lonhost_in_use); + $result = &spares_for_offload($dom_in_use,$lonhost_in_use); + if (ref($result) ne 'HASH') { + $result = \%spareid; + } + } + return $result; +} + +sub spares_for_offload { + my ($dom_in_use,$lonhost_in_use) = @_; + my ($result,$cached)=&is_cached_new('spares',$dom_in_use); + if (defined($cached)) { + return $result; + } else { + my $cachetime = 60*60*24; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['usersessions'],$dom_in_use); + if (ref($domconfig{'usersessions'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'spares'}{$lonhost_in_use}) eq 'HASH') { + return &do_cache_new('spares',$dom_in_use,$domconfig{'usersessions'}{'spares'}{$lonhost_in_use},$cachetime); + } + } + } + } + return; +} + +sub get_lonbalancer_config { + my ($servers) = @_; + my ($currbalancer,$currtargets); + if (ref($servers) eq 'HASH') { + foreach my $server (keys(%{$servers})) { + my %what = ( + spareid => 1, + perlvar => 1, + ); + my ($result,$returnhash) = &get_remote_globals($server,\%what); + if ($result eq 'ok') { + if (ref($returnhash) eq 'HASH') { + if (ref($returnhash->{'perlvar'}) eq 'HASH') { + if ($returnhash->{'perlvar'}->{'lonBalancer'} eq 'yes') { + $currbalancer = $server; + $currtargets = {}; + if (ref($returnhash->{'spareid'}) eq 'HASH') { + if (ref($returnhash->{'spareid'}->{'primary'}) eq 'ARRAY') { + $currtargets->{'primary'} = $returnhash->{'spareid'}->{'primary'}; + } + if (ref($returnhash->{'spareid'}->{'default'}) eq 'ARRAY') { + $currtargets->{'default'} = $returnhash->{'spareid'}->{'default'}; + } + } + last; + } + } + } + } + } + } + return ($currbalancer,$currtargets); +} + +sub check_loadbalancing { + my ($uname,$udom) = @_; + my ($is_balancer,$dom_in_use,$homeintdom,$rule_in_effect, + $offloadto,$otherserver); + my $lonhost = $perlvar{'lonHostID'}; + my @hosts = ¤t_machine_ids(); + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + my $uintdom = &Apache::lonnet::internet_dom($uprimary_id); + my $intdom = &Apache::lonnet::internet_dom($lonhost); + my $serverhomedom = &host_domain($lonhost); + + my $cachetime = 60*60*24; + + if (($uintdom ne '') && ($uintdom eq $intdom)) { + $dom_in_use = $udom; + $homeintdom = 1; + } else { + $dom_in_use = $serverhomedom; + } + my ($result,$cached)=&is_cached_new('loadbalancing',$dom_in_use); + unless (defined($cached)) { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime); + } + } + if (ref($result) eq 'HASH') { + my $currbalancer = $result->{'lonhost'}; + my $currtargets = $result->{'targets'}; + my $currrules = $result->{'rules'}; + if ($currbalancer ne '') { + if (grep(/^\Q$currbalancer\E$/,@hosts)) { + $is_balancer = 1; + } + } + if ($is_balancer) { + if (ref($currrules) eq 'HASH') { + if ($homeintdom) { + if ($uname ne '') { + if (($currrules->{'_LC_adv'} ne '') || ($currrules->{'_LC_author'} ne '')) { + my ($is_adv,$is_author) = &is_advanced_user($udom,$uname); + if (($currrules->{'_LC_author'} ne '') && ($is_author)) { + $rule_in_effect = $currrules->{'_LC_author'}; + } elsif (($currrules->{'_LC_adv'} ne '') && ($is_adv)) { + $rule_in_effect = $currrules->{'_LC_adv'} + } + } + if ($rule_in_effect eq '') { + my %userenv = &userenvironment($udom,$uname,'inststatus'); + if ($userenv{'inststatus'} ne '') { + my @statuses = map { &unescape($_); } split(/:/,$userenv{'inststatus'}); + my ($othertitle,$usertypes,$types) = + &Apache::loncommon::sorted_inst_types($udom); + if (ref($types) eq 'ARRAY') { + foreach my $type (@{$types}) { + if (grep(/^\Q$type\E$/,@statuses)) { + if (exists($currrules->{$type})) { + $rule_in_effect = $currrules->{$type}; + } + } + } + } + } else { + if (exists($currrules->{'default'})) { + $rule_in_effect = $currrules->{'default'}; + } + } + } + } else { + if (exists($currrules->{'default'})) { + $rule_in_effect = $currrules->{'default'}; + } + } + } else { + if ($currrules->{'_LC_external'} ne '') { + $rule_in_effect = $currrules->{'_LC_external'}; + } + } + $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets, + $uname,$udom); + } + } + } elsif (($homeintdom) && ($udom ne $serverhomedom)) { + my ($result,$cached)=&is_cached_new('loadbalancing',$serverhomedom); + unless (defined($cached)) { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime); + } + } + if (ref($result) eq 'HASH') { + my $currbalancer = $result->{'lonhost'}; + my $currtargets = $result->{'targets'}; + my $currrules = $result->{'rules'}; + + if ($currbalancer eq $lonhost) { + $is_balancer = 1; + if (ref($currrules) eq 'HASH') { + if ($currrules->{'_LC_internetdom'} ne '') { + $rule_in_effect = $currrules->{'_LC_internetdom'}; + } + } + $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets, + $uname,$udom); + } + } else { + if ($perlvar{'lonBalancer'} eq 'yes') { + $is_balancer = 1; + $offloadto = &this_host_spares($dom_in_use); + } + } + } else { + if ($perlvar{'lonBalancer'} eq 'yes') { + $is_balancer = 1; + $offloadto = &this_host_spares($dom_in_use); + } + } + if ($is_balancer) { + my $lowest_load = 30000; + if (ref($offloadto) eq 'HASH') { + if (ref($offloadto->{'primary'}) eq 'ARRAY') { + foreach my $try_server (@{$offloadto->{'primary'}}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + my $found_server = ($otherserver ne '' && $lowest_load < 100); + + if (!$found_server) { + if (ref($offloadto->{'default'}) eq 'ARRAY') { + foreach my $try_server (@{$offloadto->{'default'}}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + } + } elsif (ref($offloadto) eq 'ARRAY') { + if (@{$offloadto} == 1) { + $otherserver = $offloadto->[0]; + } elsif (@{$offloadto} > 1) { + foreach my $try_server (@{$offloadto}) { + ($otherserver,$lowest_load) = + &compare_server_load($try_server,$otherserver,$lowest_load); + } + } + } + if (($otherserver ne '') && (grep(/^\Q$otherserver\E$/,@hosts))) { + $is_balancer = 0; + if ($uname ne '' && $udom ne '') { + if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) { + + &appenv({'user.loadbalexempt' => $lonhost, + 'user.loadbalcheck.time' => time}); + } + } + } + } + return ($is_balancer,$otherserver); +} + +sub get_loadbalancer_targets { + my ($rule_in_effect,$currtargets,$uname,$udom) = @_; + my $offloadto; + if ($rule_in_effect eq 'none') { + return [$perlvar{'lonHostID'}]; + } elsif ($rule_in_effect eq '') { + $offloadto = $currtargets; + } else { + if ($rule_in_effect eq 'homeserver') { + my $homeserver = &homeserver($uname,$udom); + if ($homeserver ne 'no_host') { + $offloadto = [$homeserver]; + } + } elsif ($rule_in_effect eq 'externalbalancer') { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom); + if (ref($domconfig{'loadbalancing'}) eq 'HASH') { + if ($domconfig{'loadbalancing'}{'lonhost'} ne '') { + if (&hostname($domconfig{'loadbalancing'}{'lonhost'}) ne '') { + $offloadto = [$domconfig{'loadbalancing'}{'lonhost'}]; + } + } + } else { + my %servers = &internet_dom_servers($udom); + my ($remotebalancer,$remotetargets) = &get_lonbalancer_config(\%servers); + if (&hostname($remotebalancer) ne '') { + $offloadto = [$remotebalancer]; + } + } + } elsif (&hostname($rule_in_effect) ne '') { + $offloadto = [$rule_in_effect]; + } + } + return $offloadto; +} + +sub internet_dom_servers { + my ($dom) = @_; + my (%uniqservers,%servers); + my $primaryserver = &hostname(&domain($dom,'primary')); + my @machinedoms = &machine_domains($primaryserver); + foreach my $mdom (@machinedoms) { + my %currservers = %servers; + my %server = &get_servers($mdom); + %servers = (%currservers,%server); + } + my %by_hostname; + foreach my $id (keys(%servers)) { + push(@{$by_hostname{$servers{$id}}},$id); + } + foreach my $hostname (sort(keys(%by_hostname))) { + if (@{$by_hostname{$hostname}} > 1) { + my $match = 0; + foreach my $id (@{$by_hostname{$hostname}}) { + if (&host_domain($id) eq $dom) { + $uniqservers{$id} = $hostname; + $match = 1; + } + } + unless ($match) { + $uniqservers{$by_hostname{$hostname}[0]} = $hostname; + } + } else { + $uniqservers{$by_hostname{$hostname}[0]} = $hostname; + } + } + return %uniqservers; +} + # ---------------------- Find the homebase for a user from domain's lib servers my %homecache; @@ -905,7 +1547,18 @@ sub idput { } } -# ------------------------------------------- get items from domain db files +# ------------------------------dump from db file owned by domainconfig user +sub dump_dom { + my ($namespace, $udom, $regexp) = @_; + + $udom ||= $env{'user.domain'}; + + return () unless $udom; + + return &dump($namespace, $udom, &get_domainconfiguser($udom), $regexp); +} + +# ------------------------------------------ get items from domain db files sub get_dom { my ($namespace,$storearr,$udom,$uhome)=@_; @@ -979,30 +1632,71 @@ sub put_dom { } } +# --------------------- newput for items in db file owned by domainconfig user +sub newput_dom { + my ($namespace,$storehash,$udom) = @_; + my $result; + if (!$udom) { + $udom=$env{'user.domain'}; + } + if ($udom) { + my $uname = &get_domainconfiguser($udom); + $result = &newput($namespace,$storehash,$udom,$uname); + } + return $result; +} + +# --------------------- delete for items in db file owned by domainconfig user +sub del_dom { + my ($namespace,$storearr,$udom)=@_; + if (ref($storearr) eq 'ARRAY') { + if (!$udom) { + $udom=$env{'user.domain'}; + } + if ($udom) { + my $uname = &get_domainconfiguser($udom); + return &del($namespace,$storearr,$udom,$uname); + } + } +} + +# ----------------------------------construct domainconfig user for a domain +sub get_domainconfiguser { + my ($udom) = @_; + return $udom.'-domainconfig'; +} + sub retrieve_inst_usertypes { my ($udom) = @_; my (%returnhash,@order); - if (defined(&domain($udom,'primary'))) { - my $uhome=&domain($udom,'primary'); - my $rep=&reply("inst_usertypes:$udom",$uhome); - if ($rep =~ /^(con_lost|error|no_such_host|refused)/) { - &logthis("get_dom failed - $rep returned from $uhome in domain: $udom"); - return (\%returnhash,\@order); - } - my ($hashitems,$orderitems) = split(/:/,$rep); - my @pairs=split(/\&/,$hashitems); - foreach my $item (@pairs) { - my ($key,$value)=split(/=/,$item,2); - $key = &unescape($key); - next if ($key =~ /^error: 2 /); - $returnhash{$key}=&thaw_unescape($value); - } - my @esc_order = split(/\&/,$orderitems); - foreach my $item (@esc_order) { - push(@order,&unescape($item)); - } + my %domdefs = &Apache::lonnet::get_domain_defaults($udom); + if ((ref($domdefs{'inststatustypes'}) eq 'HASH') && + (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) { + %returnhash = %{$domdefs{'inststatustypes'}}; + @order = @{$domdefs{'inststatusorder'}}; } else { - &logthis("get_dom failed - no primary domain server for $udom"); + if (defined(&domain($udom,'primary'))) { + my $uhome=&domain($udom,'primary'); + my $rep=&reply("inst_usertypes:$udom",$uhome); + if ($rep =~ /^(con_lost|error|no_such_host|refused)/) { + &logthis("get_dom failed - $rep returned from $uhome in domain: $udom"); + return (\%returnhash,\@order); + } + my ($hashitems,$orderitems) = split(/:/,$rep); + my @pairs=split(/\&/,$hashitems); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + my @esc_order = split(/\&/,$orderitems); + foreach my $item (@esc_order) { + push(@order,&unescape($item)); + } + } else { + &logthis("get_dom failed - no primary domain server for $udom"); + } } return (\%returnhash,\@order); } @@ -1231,7 +1925,6 @@ sub inst_userrules { sub get_domain_defaults { my ($domain) = @_; my $cachetime = 60*60*24; - my ($defauthtype,$defautharg,$deflang,%deftools); my ($result,$cached)=&is_cached_new('domdefaults',$domain); if (defined($cached)) { if (ref($result) eq 'HASH') { @@ -1240,11 +1933,16 @@ sub get_domain_defaults { } my %domdefaults; my %domconfig = - &Apache::lonnet::get_dom('configuration',['defaults','quotas'],$domain); + &Apache::lonnet::get_dom('configuration',['defaults','quotas', + 'requestcourses','inststatus', + 'coursedefaults','usersessions'],$domain); if (ref($domconfig{'defaults'}) eq 'HASH') { $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'}; $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'}; + $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'}; + $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'}; + $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'}; } else { $domdefaults{'lang_def'} = &domain($domain,'lang_def'); $domdefaults{'auth_def'} = &domain($domain,'auth_def'); @@ -1256,13 +1954,36 @@ sub get_domain_defaults { } else { $domdefaults{'defaultquota'} = $domconfig{'quotas'}; } - my @usertools = ('aboutme','blog','portfolio'); + my @usertools = ('aboutme','blog','webdav','portfolio'); foreach my $item (@usertools) { if (ref($domconfig{'quotas'}{$item}) eq 'HASH') { $domdefaults{$item} = $domconfig{'quotas'}{$item}; } } } + if (ref($domconfig{'requestcourses'}) eq 'HASH') { + foreach my $item ('official','unofficial','community') { + $domdefaults{$item} = $domconfig{'requestcourses'}{$item}; + } + } + if (ref($domconfig{'inststatus'}) eq 'HASH') { + foreach my $item ('inststatustypes','inststatusorder') { + $domdefaults{$item} = $domconfig{'inststatus'}{$item}; + } + } + if (ref($domconfig{'coursedefaults'}) eq 'HASH') { + foreach my $item ('canuse_pdfforms') { + $domdefaults{$item} = $domconfig{'coursedefaults'}{$item}; + } + } + if (ref($domconfig{'usersessions'}) eq 'HASH') { + if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') { + $domdefaults{'remotesessions'} = $domconfig{'usersessions'}{'remote'}; + } + if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') { + $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'}; + } + } &Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults, $cachetime); return %domdefaults; @@ -1514,7 +2235,7 @@ sub is_cached_new { my ($name,$id,$debug) = @_; $id=&make_key($name,$id); if (exists($remembered{$id})) { - if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); } + if ($debug) { &Apache::lonnet::logthis("Early return $id of $remembered{$id} "); } $accessed{$id}=[&gettimeofday()]; $hits++; return ($remembered{$id},1); @@ -1593,12 +2314,17 @@ sub userenvironment { } $items=~s/\&$//; my %returnhash=(); - my @answer=split(/\&/, - &reply('get:'.$udom.':'.$unam.':environment:'.$items, - &homeserver($unam,$udom))); - my $i; - for ($i=0;$i<=$#what;$i++) { - $returnhash{$what[$i]}=&unescape($answer[$i]); + my $uhome = &homeserver($unam,$udom); + unless ($uhome eq 'no_host') { + my @answer=split(/\&/, + &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome)); + if ($#answer==0 && $answer[0] =~ /^(con_lost|error:|no_such_host)/i) { + return %returnhash; + } + my $i; + for ($i=0;$i<=$#what;$i++) { + $returnhash{$what[$i]}=&unescape($answer[$i]); + } } return %returnhash; } @@ -1675,20 +2401,29 @@ sub getversion { sub currentversion { my $fname=shift; - my ($result,$cached)=&is_cached_new('resversion',$fname); - if (defined($cached)) { return $result; } my $author=$fname; $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; my ($udom,$uname)=split(/\//,$author); - my $home=homeserver($uname,$udom); + my $home=&homeserver($uname,$udom); if ($home eq 'no_host') { return -1; } - my $answer=reply("currentversion:$fname",$home); + my $answer=&reply("currentversion:$fname",$home); if (($answer eq 'con_lost') || ($answer eq 'rejected')) { return -1; } - return &do_cache_new('resversion',$fname,$answer,600); + return $answer; +} + +# +# Return special version number of resource if set by override, empty otherwise +# +sub usedversion { + my $fname=shift; + unless ($fname) { $fname=$env{'request.uri'}; } + my ($urlversion)=($fname=~/\.(\d+)\.\w+$/); + if ($urlversion) { return $urlversion; } + return ''; } # ----------------------------- Subscribe to a resource, return URL if possible @@ -1716,10 +2451,11 @@ sub subscribe { sub repcopy { my $filename=shift; $filename=~s/\/+/\//g; - if ($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)/-) { + my $londocroot = $perlvar{'lonDocRoot'}; + if ($filename=~m{^\Q$londocroot/adm/\E}) { return 'ok'; } + if ($filename=~m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; } + if ($filename=~m{^\Q$londocroot/userfiles/\E} or + $filename=~m{^/*(uploaded|editupload)/}) { return &repcopy_userfile($filename); } $filename=~s/[\n\r]//g; @@ -1746,7 +2482,7 @@ sub repcopy { unless ($home eq $perlvar{'lonHostID'}) { my @parts=split(/\//,$filename); my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; - if ($path ne "$perlvar{'lonDocRoot'}/res") { + if ($path ne "$londocroot/res") { &logthis("Malconfiguration for replication: $filename"); return 'bad_request'; } @@ -1794,6 +2530,8 @@ sub ssi_body { if ($filelink=~/^https?\:/) { ($output,$response)=&externalssi($filelink); } else { + $filelink .= $filelink=~/\?/ ? '&' : '?'; + $filelink .= 'inhibitmenu=yes'; ($output,$response)=&ssi($filelink,%form); } $output=~s|//(\s*)?\s||gs; @@ -1837,14 +2575,13 @@ sub ssi { &Apache::lonenc::check_encrypt(\$fn); if (%form) { $request=new HTTP::Request('POST',&absolute_url().$fn); - $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); + $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys(%form))); } else { $request=new HTTP::Request('GET',&absolute_url().$fn); } $request->header(Cookie => $ENV{'HTTP_COOKIE'}); - my $response=$ua->request($request); - + my $response= $ua->request($request); if (wantarray) { return ($response->content, $response); } else { @@ -1882,6 +2619,8 @@ sub allowuploaded { # 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. +# reference to scalar to accommodate mime type determined +# from File::MMagic if $parser = parse. # # output: url to file (if action was uploaddoc), # ok if successful, or diagnostic message otherwise (if action was propagate or copy) @@ -1908,7 +2647,8 @@ sub allowuploaded { # sub process_coursefile { - my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase)=@_; + my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase, + $mimetype)=@_; my $fetchresult; my $home=&homeserver($docuname,$docudom); if ($action eq 'propagate') { @@ -1935,10 +2675,17 @@ sub process_coursefile { 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); + my $mm = new File::MMagic; + my $type = $mm->checktype_filename($filepath.'/'.$fname); + if ($type eq 'text/html') { + my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase); + unless ($parse_result eq 'ok') { + &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result); + } } + if (ref($mimetype)) { + $$mimetype = $type; + } } $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, $home); @@ -2014,20 +2761,53 @@ sub clean_filename { $fname=~s/\.(\d+)(?=\.)/_$1/g; return $fname; } - -#Wrapper function for userphotoupload -sub userphotoupload -{ - my($formname,$subdir) = @_; - $upload_photo_form = 1; - return &userfileupload($formname,undef,$subdir); +# This Function checks if an Image's dimensions exceed either $resizewidth (width) +# or $resizeheight (height) - both pixels. If so, the image is scaled to produce an +# image with the same aspect ratio as the original, but with dimensions which do +# not exceed $resizewidth and $resizeheight. + +sub resizeImage { + my ($img_path,$resizewidth,$resizeheight) = @_; + my $ima = Image::Magick->new; + my $resized; + if (-e $img_path) { + $ima->Read($img_path); + if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) { + my $width = $ima->Get('width'); + my $height = $ima->Get('height'); + if ($width > $resizewidth) { + my $factor = $width/$resizewidth; + my $newheight = $height/$factor; + $ima->Scale(width=>$resizewidth,height=>$newheight); + $resized = 1; + } + } + if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) { + my $width = $ima->Get('width'); + my $height = $ima->Get('height'); + if ($height > $resizeheight) { + my $factor = $height/$resizeheight; + my $newwidth = $width/$factor; + $ima->Scale(width=>$newwidth,height=>$resizeheight); + $resized = 1; + } + } + if ($resized) { + $ima->Write($img_path); + } + } + return; } # --------------- 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 +# the desired filename is in $env{"form.$formname.filename"} +# $context - possible values: coursedoc, existingfile, overwrite, +# canceloverwrite, or ''. +# if 'coursedoc': upload to the current course +# if 'existingfile': write file to tmp/overwrites directory +# if 'canceloverwrite': delete file written to tmp/overwrites directory +# $context is passed as argument to &finishuserfileupload # $subdir - directory in userfile to store the file into # $parser - instruction to parse file for objects ($parser = parse) # $allfiles - reference to hash for embedded objects @@ -2036,38 +2816,62 @@ sub userphotoupload # $dsetudom - domain for permanaent storage of uploaded file # $thumbwidth - width (pixels) of thumbnail to make for uploaded image # $thumbheight - height (pixels) of thumbnail to make for uploaded image +# $resizewidth - width (pixels) to which to resize uploaded image +# $resizeheight - height (pixels) to which to resize uploaded image +# $mimetype - reference to scalar to accommodate mime type determined +# from File::MMagic. # # 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,$thumbwidth,$thumbheight)=@_; + my ($formname,$context,$subdir,$parser,$allfiles,$codebase,$destuname, + $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight,$mimetype)=@_; if (!defined($subdir)) { $subdir='unknown'; } my $fname=$env{'form.'.$formname.'.filename'}; $fname=&clean_filename($fname); -# See if there is anything left + # See if there is anything left unless ($fname) { return 'error: no uploaded file'; } - chop($env{'form.'.$formname}); - if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently + # Files uploaded to help request form, or uploaded to "create course" page are handled differently + if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) || + (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) || + ($context eq 'existingfile') || ($context eq 'canceloverwrite')) { 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); + my $filepath; + if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { + $filepath = 'tmp/helprequests/'.$now; + } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) { + $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}. + '_'.$env{'user.domain'}.'/pending'; + } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) { + my ($docuname,$docudom); + if ($destudom) { + $docudom = $destudom; + } else { + $docudom = $env{'user.domain'}; + } + if ($destuname) { + $docuname = $destuname; + } else { + $docuname = $env{'user.name'}; + } + if (exists($env{'form.group'})) { + $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + } + $filepath = 'tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$subdir; + if ($context eq 'canceloverwrite') { + my $tempfile = $perlvar{'lonDaemons'}.'/'.$filepath.'/'.$fname; + if (-e $tempfile) { + my @info = stat($tempfile); + if ($info[9] eq $env{'form.timestamp'}) { + unlink($tempfile); + } + } + return; } } - 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'; + # Create the directory if not present my @parts=split(/\//,$filepath); my $fullpath = $perlvar{'lonDaemons'}; for (my $i=0;$i<@parts;$i++) { @@ -2079,31 +2883,39 @@ sub userfileupload { open(my $fh,'>'.$fullpath.'/'.$fname); print $fh $env{'form.'.$formname}; close($fh); - return $fullpath.'/'.$fname; + if ($context eq 'existingfile') { + my @info = stat($fullpath.'/'.$fname); + return ($fullpath.'/'.$fname,$info[9]); + } else { + return $fullpath.'/'.$fname; + } } - -# Create the directory if not present - $fname="$subdir/$fname"; - if ($coursedoc) { + if ($subdir eq 'scantron') { + $fname = 'scantron_orig_'.$fname; + } else { + $fname="$subdir/$fname"; + } + if ($context eq 'coursedoc') { 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,$thumbwidth,$thumbheight); + $codebase,$thumbwidth,$thumbheight, + $resizewidth,$resizeheight,$context,$mimetype); } else { $fname=$env{'form.folder'}.'/'.$fname; return &process_coursefile('uploaddoc',$docuname,$docudom, $fname,$formname,$parser, - $allfiles,$codebase); + $allfiles,$codebase,$mimetype); } } elsif (defined($destuname)) { my $docuname=$destuname; my $docudom=$destudom; return &finishuserfileupload($docuname,$docudom,$formname,$fname, $parser,$allfiles,$codebase, - $thumbwidth,$thumbheight); - + $thumbwidth,$thumbheight, + $resizewidth,$resizeheight,$context,$mimetype); } else { my $docuname=$env{'user.name'}; my $docudom=$env{'user.domain'}; @@ -2113,15 +2925,17 @@ sub userfileupload { } return &finishuserfileupload($docuname,$docudom,$formname,$fname, $parser,$allfiles,$codebase, - $thumbwidth,$thumbheight); + $thumbwidth,$thumbheight, + $resizewidth,$resizeheight,$context,$mimetype); } } sub finishuserfileupload { my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase, - $thumbwidth,$thumbheight) = @_; + $thumbwidth,$thumbheight,$resizewidth,$resizeheight,$context,$mimetype) = @_; my $path=$docudom.'/'.$docuname.'/'; my $filepath=$perlvar{'lonDocRoot'}; + my ($fnamepath,$file,$fetchthumb); $file=$fname; if ($fname=~m|/|) { @@ -2136,6 +2950,7 @@ sub finishuserfileupload { mkdir($filepath,0777); } } + # Save the file { if (!open(FH,'>'.$filepath.'/'.$file)) { @@ -2143,38 +2958,53 @@ sub finishuserfileupload { print STDERR ('Failed to create '.$filepath.'/'.$file."\n"); return '/adm/notfound.html'; } - if (!print FH ($env{'form.'.$formname})) { + if ($context eq 'overwrite') { + my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname; + my $target = $filepath.'/'.$file; + if (-e $source) { + my @info = stat($source); + if ($info[9] eq $env{'form.timestamp'}) { + unless (&File::Copy::move($source,$target)) { + &logthis('Failed to overwrite '.$filepath.'/'.$file); + return "Moving from $source failed"; + } + } else { + return "Temporary file: $source had unexpected date/time for last modification"; + } + } else { + return "Temporary file: $source missing"; + } + } elsif (!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($upload_photo_form==1) - { - my $ima = Image::Magick->new; - $ima->Read($filepath.'/'.$file); - if($ima->Get('width') > 300) - { - my $factor = $ima->Get('width')/300; - $ima->Scale( width=>300, height=>$ima->Get('height')/$factor ); - } - if($ima->Get('height') > 400) - { - my $factor = $ima->Get('height')/400; - $ima->Scale( width=>$ima->Get('width')/$factor, height=>400); - } - - - $ima->Write($filepath.'/'.$file); - $upload_photo_form = 0; + if ($resizewidth && $resizeheight) { + my $mm = new File::MMagic; + my $mime_type = $mm->checktype_filename($filepath.'/'.$file); + if ($mime_type =~ m{^image/}) { + &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight); + } } } + if (($context eq 'coursedoc') || ($parser eq 'parse')) { + if (ref($mimetype)) { + if ($$mimetype eq '') { + my $mm = new File::MMagic; + my $type = $mm->checktype_filename($filepath.'/'.$file); + $$mimetype = $type; + } + } + } if ($parser eq 'parse') { - my $parse_result = &extract_embedded_items($filepath.'/'.$file,$allfiles, - $codebase); - unless ($parse_result eq 'ok') { - &logthis('Failed to parse '.$filepath.$file. - ' for embedded media: '.$parse_result); + if ((ref($mimetype)) && ($$mimetype eq 'text/html')) { + 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); + } } } if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { @@ -2189,7 +3019,7 @@ sub finishuserfileupload { # Notify homeserver to grep it # - my $docuhome=&homeserver($docuname,$docudom); + my $docuhome=&homeserver($docuname,$docudom); my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { if ($fetchthumb) { @@ -2212,6 +3042,7 @@ sub finishuserfileupload { sub extract_embedded_items { my ($fullpath,$allfiles,$codebase,$content) = @_; my @state = (); + my (%lastids,%related,%shockwave,%flashvars); my %javafiles = ( codebase => '', code => '', @@ -2241,10 +3072,30 @@ sub extract_embedded_items { &add_filetype($allfiles,$attr->{'href'},'href'); } if (lc($tagname) eq 'script') { + my $src; if ($attr->{'archive'} =~ /\.jar$/i) { &add_filetype($allfiles,$attr->{'archive'},'archive'); } else { - &add_filetype($allfiles,$attr->{'src'},'src'); + if ($attr->{'src'} ne '') { + $src = $attr->{'src'}; + &add_filetype($allfiles,$src,'src'); + } + } + my $text = $p->get_trimmed_text(); + if ($text =~ /\Qswfobject.registerObject(\E([^\)]+)\)/) { + my @swfargs = split(/,/,$1); + foreach my $item (@swfargs) { + $item =~ s/["']//g; + $item =~ s/^\s+//; + $item =~ s/\s+$//; + } + if (($swfargs[0] ne'') && ($swfargs[2] ne '')) { + if (ref($related{$swfargs[0]}) eq 'ARRAY') { + push(@{$related{$swfargs[0]}},$swfargs[2]); + } else { + $related{$swfargs[0]} = [$swfargs[2]]; + } + } } } if (lc($tagname) eq 'link') { @@ -2257,6 +3108,9 @@ sub extract_embedded_items { foreach my $item (keys(%javafiles)) { $javafiles{$item} = ''; } + if ((lc($tagname) eq 'object') && (lc($state[-2]) ne 'object')) { + $lastids{lc($tagname)} = $attr->{'id'}; + } } if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') { my $name = lc($attr->{'name'}); @@ -2266,12 +3120,22 @@ sub extract_embedded_items { last; } } + my $pathfrom; foreach my $item (keys(%mediafiles)) { if ($name eq $item) { - &add_filetype($allfiles, $attr->{'value'}, 'value'); + $pathfrom = $attr->{'value'}; + $shockwave{$lastids{lc($state[-2])}} = $pathfrom; + &add_filetype($allfiles,$pathfrom,$name); last; } } + if ($name eq 'flashvars') { + $flashvars{$lastids{lc($state[-2])}} = $attr->{'value'}; + } + if ($pathfrom ne '') { + &embedded_dependency($allfiles,\%related,$lastids{lc($state[-2])}, + $pathfrom); + } } if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') { foreach my $item (keys(%javafiles)) { @@ -2286,7 +3150,16 @@ sub extract_embedded_items { last; } } + if (lc($tagname) eq 'embed') { + if (($attr->{'name'} ne '') && ($attr->{'src'} ne '')) { + &embedded_dependency($allfiles,\%related,$attr->{'name'}, + $attr->{'src'}); + } + } } + if ($t->[4] =~ m{/>$}) { + pop(@state); + } } elsif ($t->[0] eq 'E') { my ($tagname) = ($t->[1]); if ($javafiles{'codebase'} ne '') { @@ -2306,6 +3179,23 @@ sub extract_embedded_items { pop @state; } } + foreach my $id (sort(keys(%flashvars))) { + if ($shockwave{$id} ne '') { + my @pairs = split(/\&/,$flashvars{$id}); + foreach my $pair (@pairs) { + my ($key,$value) = split(/\=/,$pair); + if ($key eq 'thumb') { + &add_filetype($allfiles,$value,$key); + } elsif ($key eq 'content') { + my ($path) = ($shockwave{$id} =~ m{^(.+/)[^/]+$}); + my ($ext) = ($value =~ /\.([^.]+)$/); + if ($ext ne '') { + &add_filetype($allfiles,$path.$value,$ext); + } + } + } + } + } return 'ok'; } @@ -2320,22 +3210,37 @@ sub add_filetype { } } +sub embedded_dependency { + my ($allfiles,$related,$identifier,$pathfrom) = @_; + if ((ref($allfiles) eq 'HASH') && (ref($related) eq 'HASH')) { + if (($identifier ne '') && + (ref($related->{$identifier}) eq 'ARRAY') && + ($pathfrom ne '')) { + my ($path) = ($pathfrom =~ m{^(.+/)[^/]+$}); + foreach my $dep (@{$related->{$identifier}}) { + &add_filetype($allfiles,$path.$dep,'object'); + } + } + } + return; +} + sub removeuploadedurl { - my ($url)=@_; - my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); + my ($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 $home=&homeserver($docuname,$docudom); my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home); - if ($result eq 'ok') { + 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($url))[3,4]; + my ($file,$group) = (&parse_portfolio_url($url))[3,4]; my $sqlresult = &update_portfolio_table($docuname,$docudom,$file, 'portfolio_metadata',$group, @@ -2446,15 +3351,10 @@ sub flushcourselogs { 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)/($match_name)/(.*)___(\w+)$}); + if (($dom eq 'uploaded') || ($dom eq 'adm')) { next; } my %temphash=($entry => $accesshash{$entry}); if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { delete $accesshash{$entry}; @@ -2478,7 +3378,7 @@ sub flushcourselogs { # Reverse lookup of domain roles (dc, ad, li, sc, au) # my %domrolebuffer = (); - foreach my $entry (keys %domainrolehash) { + foreach my $entry (keys(%domainrolehash)) { my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry); if ($domrolebuffer{$rudom}) { $domrolebuffer{$rudom}.='&'.&escape($entry). @@ -2533,7 +3433,7 @@ sub courseacclog { my $fnsymb=shift; unless ($env{'request.course.id'}) { return ''; } my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'}; - if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|task|page)$/) { + if ($fnsymb=~/$LONCAPA::assess_re/) { $what.=':POST'; # FIXME: Probably ought to escape things.... foreach my $key (keys(%env)) { @@ -2565,7 +3465,13 @@ sub countacc { my $url=&declutter(shift); return if (! defined($url) || $url eq ''); unless ($env{'request.course.id'}) { return ''; } +# +# Mark that this url was used in this course +# $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1; +# +# Increase the access count for this resource in this child process +# my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; $accesshash{$key}++; } @@ -2577,30 +3483,37 @@ sub linklog { $accesshash{$from.'___'.$to.'___comefrom'}=1; $accesshash{$to.'___'.$from.'___goto'}=1; } + +sub statslog { + my ($symb,$part,$users,$av_attempts,$degdiff)=@_; + if ($users<2) { return; } + my %dynstore=&LONCAPA::lonmetadata::dynamic_metadata_storage({ + 'course' => $env{'request.course.id'}, + 'sections' => '"all"', + 'num_students' => $users, + 'part' => $part, + 'symb' => $symb, + 'mean_tries' => $av_attempts, + 'deg_of_diff' => $degdiff}); + foreach my $key (keys(%dynstore)) { + $accesshash{$key}=$dynstore{$key}; + } +} sub userrolelog { my ($trole,$username,$domain,$area,$tstart,$tend)=@_; - if (($trole=~/^ca/) || ($trole=~/^aa/) || - ($trole=~/^in/) || ($trole=~/^cc/) || - ($trole=~/^ep/) || ($trole=~/^cr/) || - ($trole=~/^ta/)) { + if ( $trole =~ /^(ca|aa|in|cc|ep|cr|ta|co)/ ) { my (undef,$rudom,$runame,$rsec)=split(/\//,$area); $userrolehash {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} =$tend.':'.$tstart; } - if (($env{'request.role'} =~ /dc\./) && - (($trole=~/^au/) || ($trole=~/^in/) || - ($trole=~/^cc/) || ($trole=~/^ep/) || - ($trole=~/^cr/) || ($trole=~/^ta/))) { + if ($env{'request.role'} =~ /dc\./ && $trole =~ /^(au|in|cc|ep|cr|ta|co)/) { $userrolehash {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'} =$tend.':'.$tstart; } - if (($trole=~/^dc/) || ($trole=~/^ad/) || - ($trole=~/^li/) || ($trole=~/^li/) || - ($trole=~/^au/) || ($trole=~/^dg/) || - ($trole=~/^sc/)) { + if ($trole =~ /^(dc|ad|li|au|dg|sc)/ ) { my (undef,$rudom,$runame,$rsec)=split(/\//,$area); $domainrolehash {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} @@ -2613,7 +3526,8 @@ sub courserolelog { if (($trole eq 'cc') || ($trole eq 'in') || ($trole eq 'ep') || ($trole eq 'ad') || ($trole eq 'ta') || ($trole eq 'st') || - ($trole=~/^cr/) || ($trole eq 'gr')) { + ($trole=~/^cr/) || ($trole eq 'gr') || + ($trole eq 'co')) { if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) { my $cdom = $1; my $cnum = $2; @@ -2633,6 +3547,9 @@ sub courserolelog { $storehash{'section'} = $sec; } &instructor_log($namespace,\%storehash,$delflag,$username,$domain,$cnum,$cdom); + if (($trole ne 'st') || ($sec ne '')) { + &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum); + } } } return; @@ -2642,6 +3559,7 @@ sub get_course_adv_roles { my ($cid,$codes) = @_; $cid=$env{'request.course.id'} unless (defined($cid)); my %coursehash=&coursedescription($cid); + my $crstype = &Apache::loncommon::course_type($cid); my %nothide=(); foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { if ($user !~ /:/) { @@ -2654,15 +3572,29 @@ sub get_course_adv_roles { my %dumphash= &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); my $now=time; - foreach my $entry (keys %dumphash) { + my %privileged; + 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(/\:/,$entry); if ($username eq '' || $domain eq '') { next; } - if ((&privileged($username,$domain)) && - (!$nothide{$username.':'.$domain})) { next; } + unless (ref($privileged{$domain}) eq 'HASH') { + my %dompersonnel = + &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); + $privileged{$domain} = {}; + foreach my $server (keys(%dompersonnel)) { + if (ref($dompersonnel{$server}) eq 'HASH') { + foreach my $user (keys(%{$dompersonnel{$server}})) { + my ($trole,$uname,$udom) = split(/:/,$user); + $privileged{$udom}{$uname} = 1; + } + } + } + } + if ((exists($privileged{$domain}{$username})) && + (!$nothide{$username.':'.$domain})) { next; } if ($role eq 'cr') { next; } if ($codes) { if ($section) { $role .= ':'.$section; } @@ -2672,7 +3604,7 @@ sub get_course_adv_roles { $returnhash{$role}=$username.':'.$domain; } } else { - my $key=&plaintext($role); + my $key=&plaintext($role,$crstype); if ($section) { $key.=' ('.&Apache::lonlocal::mt('Section [_1]',$section).')'; } if ($returnhash{$key}) { $returnhash{$key}.=','.$username.':'.$domain; @@ -2689,7 +3621,7 @@ sub get_my_roles { unless (defined($uname)) { $uname=$env{'user.name'}; } unless (defined($udom)) { $udom=$env{'user.domain'}; } my (%dumphash,%nothide); - if ($context eq 'userroles') { + if ($context eq 'userroles') { %dumphash = &dump('roles',$udom,$uname); } else { %dumphash= @@ -2707,9 +3639,11 @@ sub get_my_roles { } my %returnhash=(); my $now=time; + my %privileged; foreach my $entry (keys(%dumphash)) { my ($role,$tend,$tstart); if ($context eq 'userroles') { + next if ($entry =~ /^rolesdef/); ($role,$tend,$tstart)=split(/_/,$dumphash{$entry}); } else { ($tend,$tstart)=split(/\:/,$dumphash{$entry}); @@ -2749,15 +3683,42 @@ sub get_my_roles { if (!grep(/^cr$/,@{$roles})) { next; } + } elsif ($role =~ /^gr\//) { + if (!grep(/^gr$/,@{$roles})) { + next; + } } else { next; } } } if ($hidepriv) { - if ((&privileged($username,$domain)) && - (!$nothide{$username.':'.$domain})) { - next; + if ($context eq 'userroles') { + if ((&privileged($username,$domain)) && + (!$nothide{$username.':'.$domain})) { + next; + } + } else { + unless (ref($privileged{$domain}) eq 'HASH') { + my %dompersonnel = + &Apache::lonnet::get_domain_roles($domain,['dc'],$now,$now); + $privileged{$domain} = {}; + if (keys(%dompersonnel)) { + foreach my $server (keys(%dompersonnel)) { + if (ref($dompersonnel{$server}) eq 'HASH') { + foreach my $user (keys(%{$dompersonnel{$server}})) { + my ($trole,$uname,$udom) = split(/:/,$user); + $privileged{$udom}{$uname} = $trole; + } + } + } + } + } + if (exists($privileged{$domain}{$username})) { + if (!$nothide{$username.':'.$domain}) { + next; + } + } } } if ($withsec) { @@ -2805,6 +3766,7 @@ sub getannounce { sub courseidput { my ($domain,$storehash,$coursehome,$caller) = @_; + return unless (ref($storehash) eq 'HASH'); my $outcome; if ($caller eq 'timeonly') { my $cids = ''; @@ -2843,7 +3805,8 @@ sub courseidput { sub courseiddump { my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter, $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok, - $selfenrollonly,$catfilter,$showhidden,$caller)=@_; + $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone, + $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner)=@_; my $as_hash = 1; my %returnhash; if (!$domfilter) { $domfilter=''; } @@ -2862,7 +3825,11 @@ sub courseiddump { ':'.&escape($coursefilter).':'.&escape($typefilter). ':'.&escape($regexp_ok).':'.$as_hash.':'. &escape($selfenrollonly).':'.&escape($catfilter).':'. - $showhidden.':'.$caller,$tryserver); + $showhidden.':'.$caller.':'.&escape($cloner).':'. + &escape($cc_clone).':'.$cloneonly.':'. + &escape($createdbefore).':'.&escape($createdafter).':'. + &escape($creationcontext).':'.$domcloner, + $tryserver); my @pairs=split(/\&/,$rep); foreach my $item (@pairs) { my ($key,$value)=split(/\=/,$item,2); @@ -2877,7 +3844,7 @@ sub courseiddump { for (my $i=0; $i<@responses; $i++) { $returnhash{$key}{$items[$i]} = &unescape($responses[$i]); } - } + } } } } @@ -2885,6 +3852,49 @@ sub courseiddump { return %returnhash; } +sub courselastaccess { + my ($cdom,$cnum,$hostidref) = @_; + my %returnhash; + if ($cdom && $cnum) { + my $chome = &homeserver($cnum,$cdom); + if ($chome ne 'no_host') { + my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome); + &extract_lastaccess(\%returnhash,$rep); + } + } else { + if (!$cdom) { $cdom=''; } + my %libserv = &all_library(); + foreach my $tryserver (keys(%libserv)) { + if (ref($hostidref) eq 'ARRAY') { + next unless (grep(/^\Q$tryserver\E$/,@{$hostidref})); + } + if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) { + my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver); + &extract_lastaccess(\%returnhash,$rep); + } + } + } + return %returnhash; +} + +sub extract_lastaccess { + my ($returnhash,$rep) = @_; + if (ref($returnhash) eq 'HASH') { + unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' || + $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' || + $rep eq '') { + my @pairs=split(/\&/,$rep); + foreach my $item (@pairs) { + my ($key,$value)=split(/\=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash->{$key} = &thaw_unescape($value); + } + } + } + return; +} + # ---------------------------------------------------------- DC e-mail sub dcmailput { @@ -2917,10 +3927,10 @@ sub dcmaildump { sub get_domain_roles { my ($dom,$roles,$startdate,$enddate)=@_; - if (undef($startdate) || $startdate eq '') { + if ((!defined($startdate)) || ($startdate eq '')) { $startdate = '.'; } - if (undef($enddate) || $enddate eq '') { + if ((!defined($enddate)) || ($enddate eq '')) { $enddate = '.'; } my $rolelist; @@ -2945,13 +3955,36 @@ sub get_domain_roles { return %personnel; } -# ----------------------------------------------------------- Check out an item +# ----------------------------------------------------------- Interval timing + +{ +# Caches needed for speedup of navmaps +# We don't want to cache this for very long at all (5 seconds at most) +# +# The user for whom we cache +my $cachedkey=''; +# The cached times for this user +my %cachedtimes=(); +# When this was last done +my $cachedtime=(); + +sub load_all_first_access { + my ($uname,$udom)=@_; + if (($cachedkey eq $uname.':'.$udom) && + (abs($cachedtime-time)<5) && (!$env{'form.markaccess'})) { + return; + } + $cachedtime=time; + $cachedkey=$uname.':'.$udom; + %cachedtimes=&dump('firstaccesstimes',$udom,$uname); +} sub get_first_access { - my ($type,$argsymb)=@_; + my ($type,$argsymb,$argmap)=@_; my ($symb,$courseid,$udom,$uname)=&whichuser(); if ($argsymb) { $symb=$argsymb; } my ($map,$id,$res)=&decode_symb($symb); + if ($argmap) { $map = $argmap; } if ($type eq 'course') { $res='course'; } elsif ($type eq 'map') { @@ -2959,12 +3992,12 @@ sub get_first_access { } else { $res=$symb; } - my %times=&get('firstaccesstimes',["$courseid\0$res"],$udom,$uname); - return $times{"$courseid\0$res"}; + &load_all_first_access($uname,$udom); + return $cachedtimes{"$courseid\0$res"}; } sub set_first_access { - my ($type)=@_; + my ($type,$interval)=@_; my ($symb,$courseid,$udom,$uname)=&whichuser(); my ($map,$id,$res)=&decode_symb($symb); if ($type eq 'course') { @@ -2974,98 +4007,27 @@ sub set_first_access { } else { $res=$symb; } - my $firstaccess=&get_first_access($type,$symb); + $cachedkey=''; + my $firstaccess=&get_first_access($type,$symb,$map); if (!$firstaccess) { - return &put('firstaccesstimes',{"$courseid\0$res"=>time},$udom,$uname); + my $start = time; + my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start}, + $udom,$uname); + if ($putres eq 'ok') { + &put('timerinterval',{"$courseid\0$res"=>$interval}, + $udom,$uname); + &appenv( + { + 'course.'.$courseid.'.firstaccess.'.$res => $start, + 'course.'.$courseid.'.timerinterval.'.$res => $interval, + } + ); + } + return $putres; } return 'already_set'; } - -sub checkout { - my ($symb,$tuname,$tudom,$tcrsid)=@_; - my $now=time; - my $lonhost=$perlvar{'lonHostID'}; - my $infostr=&escape( - 'CHECKOUTTOKEN&'. - $tuname.'&'. - $tudom.'&'. - $tcrsid.'&'. - $symb.'&'. - $now.'&'.$ENV{'REMOTE_ADDR'}); - my $token=&reply('tmpput:'.$infostr,$lonhost); - if ($token=~/^error\:/) { - &logthis("WARNING: ". - "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - return ''; - } - - $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/; - $token=~tr/a-z/A-Z/; - - my %infohash=('resource.0.outtoken' => $token, - 'resource.0.checkouttime' => $now, - 'resource.0.outremote' => $ENV{'REMOTE_ADDR'}); - - unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - - if (&log($tudom,$tuname,&homeserver($tuname,$tudom), - &escape('Checkout '.$infostr.' - '. - $token)) ne 'ok') { - return ''; - } else { - &logthis("WARNING: ". - "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. - ""); - } - return $token; -} - -# ------------------------------------------------------------ Check in an item - -sub checkin { - my $token=shift; - my $now=time; - my ($ta,$tb,$lonhost)=split(/\*/,$token); - $lonhost=~tr/A-Z/a-z/; - my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb; - $dtoken=~s/\W/\_/g; - my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= - split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); - - unless (($tuname) && ($tudom)) { - &logthis('Check in '.$token.' ('.$dtoken.') failed'); - return ''; - } - - unless (&allowed('mgr',$tcrsid)) { - &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. - $env{'user.name'}.' - '.$env{'user.domain'}); - return ''; - } - - my %infohash=('resource.0.intoken' => $token, - 'resource.0.checkintime' => $now, - 'resource.0.inremote' => $ENV{'REMOTE_ADDR'}); - - unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { - return ''; - } - - if (&log($tudom,$tuname,&homeserver($tuname,$tudom), - &escape('Checkin - '.$token)) ne 'ok') { - return ''; - } - - return ($symb,$tuname,$tudom,$tcrsid); } - # --------------------------------------------- Set Expire Date for Spreadsheet sub expirespread { @@ -3170,7 +4132,7 @@ sub hashref2str { $result.='='; #print("Got a ref of ".(ref($key))." skipping."); } else { - if ($key) {$result.=&escape($key).'=';} else { last; } + if (defined($key)) {$result.=&escape($key).'=';} else { last; } } if(ref($hashref->{$key}) eq 'ARRAY') { @@ -3322,12 +4284,12 @@ sub tmpreset { if ($domain eq 'public' && $stuname eq 'public') { $stuname=$ENV{'REMOTE_ADDR'}; } - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); my %hash; if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_WRCREAT(),0640)) { - foreach my $key (keys %hash) { + foreach my $key (keys(%hash)) { if ($key=~ /:$symb/) { delete($hash{$key}); } @@ -3361,7 +4323,7 @@ sub tmpstore { } my $now=time; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_WRCREAT(),0640)) { @@ -3407,7 +4369,7 @@ sub tmprestore { $namespace=~s/\//\_/g; $namespace=~s/\W//g; my %hash; - my $path=$perlvar{'lonDaemons'}.'/tmp'; + my $path=LONCAPA::tempdir(); if (tie(%hash,'GDBM_File', $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', &GDBM_READER(),0640)) { @@ -3544,6 +4506,8 @@ sub restore { } # ---------------------------------------------------------- Course Description +# +# sub coursedescription { my ($courseid,$args)=@_; @@ -3573,7 +4537,8 @@ sub coursedescription { return %returnhash; } - # get the data agin + # get the data again + if (!$args->{'one_time'}) { $envhash{'course.'.$normalid.'.last_cache'}=time; } @@ -3581,6 +4546,10 @@ sub coursedescription { if ($chome ne 'no_host') { %returnhash=&dump('environment',$cdomain,$cnum); if (!exists($returnhash{'con_lost'})) { + my $username = $env{'user.name'}; # Defult username + if(defined $args->{'user'}) { + $username = $args->{'user'}; + } $returnhash{'home'}= $chome; $returnhash{'domain'} = $cdomain; $returnhash{'num'} = $cnum; @@ -3591,8 +4560,8 @@ sub coursedescription { $envhash{'course.'.$normalid.'.'.$name}=$value; } $returnhash{'url'}=&clutter($returnhash{'url'}); - $returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. - $env{'user.name'}.'_'.$cdomain.'_'.$cnum; + $returnhash{'fn'}=LONCAPA::tempdir() . + $username.'_'.$cdomain.'_'.$cnum; $envhash{'course.'.$normalid.'.home'}=$chome; $envhash{'course.'.$normalid.'.domain'}=$cdomain; $envhash{'course.'.$normalid.'.num'}=$cnum; @@ -3604,93 +4573,169 @@ sub coursedescription { return %returnhash; } +sub update_released_required { + my ($needsrelease,$cdom,$cnum,$chome,$cid) = @_; + if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') { + $cid = $env{'request.course.id'}; + $cdom = $env{'course.'.$cid.'.domain'}; + $cnum = $env{'course.'.$cid.'.num'}; + $chome = $env{'course.'.$cid.'.home'}; + } + if ($needsrelease) { + my %curr_reqd_hash = &userenvironment($cdom,$cnum,'internal.releaserequired'); + my $needsupdate; + if ($curr_reqd_hash{'internal.releaserequired'} eq '') { + $needsupdate = 1; + } else { + my ($currmajor,$currminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'}); + my ($needsmajor,$needsminor) = split(/\./,$needsrelease); + if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) { + $needsupdate = 1; + } + } + if ($needsupdate) { + my %needshash = ( + 'internal.releaserequired' => $needsrelease, + ); + my $putresult = &put('environment',\%needshash,$cdom,$cnum); + if ($putresult eq 'ok') { + &appenv({'course.'.$cid.'.internal.releaserequired' => $needsrelease}); + my %crsinfo = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.'); + if (ref($crsinfo{$cid}) eq 'HASH') { + $crsinfo{$cid}{'releaserequired'} = $needsrelease; + &courseidput($cdom,\%crsinfo,$chome,'notime'); + } + } + } + } + return; +} + # -------------------------------------------------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; } - } - } + + my %rolesdump = &dump("roles", $domain, $username) or return 0; + my $now = time; + + for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys %rolesdump}) { + my ($trole, $tend, $tstart) = split(/_/, $role); + if (($trole eq 'dc') || ($trole eq 'su')) { + return 1 unless ($tend && $tend < $now) + or ($tstart && $tstart > $now); + } } - } + return 0; } # -------------------------------------------------------- Get user privileges sub rolesinit { - my ($domain,$username,$authhost)=@_; - my %userroles; - my $rolesdump=reply("dump:$domain:$username:roles",$authhost); - if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return \%userroles; } + my ($domain, $username) = @_; + my %userroles = ('user.login.time' => time); + my %rolesdump = &dump("roles", $domain, $username) or return \%userroles; + + # firstaccess and timerinterval are related to timed maps/resources. + # also, blocking can be triggered by an activating timer + # it's saved in the user's %env. + my %firstaccess = &dump('firstaccesstimes', $domain, $username); + my %timerinterval = &dump('timerinterval', $domain, $username); + my (%coursetimerstarts, %firstaccchk, %firstaccenv, %coursetimerintervals, + %timerintchk, %timerintenv); + + foreach my $key (keys(%firstaccess)) { + my ($cid, $rest) = split(/\0/, $key); + $coursetimerstarts{$cid}{$rest} = $firstaccess{$key}; + } + + foreach my $key (keys(%timerinterval)) { + my ($cid,$rest) = split(/\0/,$key); + $coursetimerintervals{$cid}{$rest} = $timerinterval{$key}; + } + my %allroles=(); - my %allgroups=(); - my $now=time; - %userroles = ('user.login.time' => $now); - my $group_privs; + my %allgroups=(); - if ($rolesdump ne '') { - 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\//) { - &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); - } elsif ($trole eq 'gr') { - &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); - } else { - &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); - } + for my $area (grep { ! /^rolesdef_/ } keys %rolesdump) { + my $role = $rolesdump{$area}; + $area =~ s/\_\w\w$//; + + my ($trole, $tend, $tstart, $group_privs); + + if ($role =~ /^cr/) { + # Custom role, defined by a user + # e.g., user.role.cr/msu/smith/mynewrole + if ($role =~ m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) { + $trole = $1; + ($tend, $tstart) = split('_', $2); + } else { + $trole = $role; } - } + } elsif ($role =~ m|^gr/|) { + # Role of member in a group, defined within a course/community + # e.g., user.role.gr/msu/04935610a19ee4a5fmsul1/leopards + ($trole, $tend, $tstart) = split(/_/, $role); + next if $tstart eq '-1'; + ($trole, $group_privs) = split(/\//, $trole); + $group_privs = &unescape($group_privs); + } else { + # Just a normal role, defined in roles.tab + ($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)}; + + # role expired or not available yet? + $trole = '' if ($tend != 0 && $tend < $userroles{'user.login.time'}) or + ($tstart != 0 && $tstart > $userroles{'user.login.time'}); + + next if $area eq '' or $trole eq ''; + + my $spec = "$trole.$area"; + my ($tdummy, $tdomain, $trest) = split(/\//, $area); + + if ($trole =~ /^cr\//) { + # Custom role, defined by a user + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); + } elsif ($trole eq 'gr') { + # Role of a member in a group, defined within a course/community + &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart); + next; + } else { + # Normal role, defined in roles.tab + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); + } + + my $cid = $tdomain.'_'.$trest; + unless ($firstaccchk{$cid}) { + if (ref($coursetimerstarts{$cid}) eq 'HASH') { + foreach my $item (keys(%{$coursetimerstarts{$cid}})) { + $firstaccenv{'course.'.$cid.'.firstaccess.'.$item} = + $coursetimerstarts{$cid}{$item}; + } + } + $firstaccchk{$cid} = 1; + } + unless ($timerintchk{$cid}) { + if (ref($coursetimerintervals{$cid}) eq 'HASH') { + foreach my $item (keys(%{$coursetimerintervals{$cid}})) { + $timerintenv{'course.'.$cid.'.timerinterval.'.$item} = + $coursetimerintervals{$cid}{$item}; + } + } + $timerintchk{$cid} = 1; } - my ($author,$adv) = &set_userprivs(\%userroles,\%allroles,\%allgroups); - $userroles{'user.adv'} = $adv; - $userroles{'user.author'} = $author; - $env{'user.adv'}=$adv; } - return \%userroles; + + @userroles{'user.author', 'user.adv'} = &set_userprivs(\%userroles, + \%allroles, \%allgroups); + $env{'user.adv'} = $userroles{'user.adv'}; + + return (\%userroles,\%firstaccenv,\%timerintenv); } sub set_arearole { @@ -3710,6 +4755,9 @@ sub custom_roleprivs { if (($rdummy ne 'con_lost') && ($roledef ne '')) { my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef); if (defined($syspriv)) { + if ($trest =~ /^$match_community$/) { + $syspriv =~ s/bre\&S//; + } $$allroles{'cm./'}.=':'.$syspriv; $$allroles{$spec.'./'}.=':'.$syspriv; } @@ -3758,23 +4806,36 @@ sub standard_roleprivs { } sub set_userprivs { - my ($userroles,$allroles,$allgroups) = @_; + my ($userroles,$allroles,$allgroups,$groups_roles) = @_; my $author=0; my $adv=0; my %grouproles = (); if (keys(%{$allgroups}) > 0) { - foreach my $role (keys %{$allroles}) { - my ($trole,$area,$sec,$extendedarea); - if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) { - $trole = $1; - $area = $2; - $sec = $3; - $extendedarea = $area.$sec; - if (exists($$allgroups{$area})) { - foreach my $group (keys(%{$$allgroups{$area}})) { - my $spec = $trole.'.'.$extendedarea; - $grouproles{$spec.'.'.$area.'/'.$group} = + my @groupkeys; + foreach my $role (keys(%{$allroles})) { + push(@groupkeys,$role); + } + if (ref($groups_roles) eq 'HASH') { + foreach my $key (keys(%{$groups_roles})) { + unless (grep(/^\Q$key\E$/,@groupkeys)) { + push(@groupkeys,$key); + } + } + } + if (@groupkeys > 0) { + foreach my $role (@groupkeys) { + my ($trole,$area,$sec,$extendedarea); + if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) { + $trole = $1; + $area = $2; + $sec = $3; + $extendedarea = $area.$sec; + if (exists($$allgroups{$area})) { + foreach my $group (keys(%{$$allgroups{$area}})) { + my $spec = $trole.'.'.$extendedarea; + $grouproles{$spec.'.'.$area.'/'.$group} = $$allgroups{$area}{$group}; + } } } } @@ -3798,7 +4859,7 @@ sub set_userprivs { } } my $thesestr=''; - foreach my $priv (keys(%thesepriv)) { + foreach my $priv (sort(keys(%thesepriv))) { $thesestr.=':'.$priv.'&'.$thesepriv{$priv}; } $userroles->{'user.priv.'.$role} = $thesestr; @@ -3806,6 +4867,163 @@ sub set_userprivs { return ($author,$adv); } +sub role_status { + my ($rolekey,$update,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_; + my @pwhere = (); + if (exists($env{$rolekey}) && $env{$rolekey} ne '') { + (undef,undef,$$role,@pwhere)=split(/\./,$rolekey); + unless (!defined($$role) || $$role eq '') { + $$where=join('.',@pwhere); + $$trolecode=$$role.'.'.$$where; + ($$tstart,$$tend)=split(/\./,$env{$rolekey}); + $$tstatus='is'; + if ($$tstart && $$tstart>$update) { + $$tstatus='future'; + if ($$tstart<$now) { + if ($$tstart && $$tstart>$refresh) { + if (($$where ne '') && ($$role ne '')) { + my (%allroles,%allgroups,$group_privs, + %groups_roles,@rolecodes); + my %userroles = ( + 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend + ); + @rolecodes = ('cm'); + my $spec=$$role.'.'.$$where; + my ($tdummy,$tdomain,$trest)=split(/\//,$$where); + if ($$role =~ /^cr\//) { + &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where); + push(@rolecodes,'cr'); + } elsif ($$role eq 'gr') { + push(@rolecodes,$$role); + my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'}, + $env{'user.name'}); + my ($trole) = split('_',$rolehash{$$where.'_'.$$role},2); + (undef,my $group_privs) = split(/\//,$trole); + $group_privs = &unescape($group_privs); + &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart); + my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1); + &get_groups_roles($tdomain,$trest, + \%course_roles,\@rolecodes, + \%groups_roles); + } else { + push(@rolecodes,$$role); + &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where); + } + my ($author,$adv)= &set_userprivs(\%userroles,\%allroles,\%allgroups,\%groups_roles); + &appenv(\%userroles,\@rolecodes); + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role); + } + } + $$tstatus = 'is'; + } + } + if ($$tend) { + if ($$tend<$update) { + $$tstatus='expired'; + } elsif ($$tend<$now) { + $$tstatus='will_not'; + } + } + } + } +} + +sub get_groups_roles { + my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_; + return unless((ref($cdom_courseroles) eq 'HASH') && + (ref($rolecodes) eq 'ARRAY') && + (ref($groups_roles) eq 'HASH')); + if (keys(%{$cdom_courseroles}) > 0) { + my ($cnum) = ($rest =~ /^($match_courseid)/); + if ($cdom ne '' && $cnum ne '') { + foreach my $key (keys(%{$cdom_courseroles})) { + if ($key =~ /^\Q$cnum\E:\Q$cdom\E:([^:]+):?([^:]*)/) { + my $crsrole = $1; + my $crssec = $2; + if ($crsrole =~ /^cr/) { + unless (grep(/^cr$/,@{$rolecodes})) { + push(@{$rolecodes},'cr'); + } + } else { + unless(grep(/^\Q$crsrole\E$/,@{$rolecodes})) { + push(@{$rolecodes},$crsrole); + } + } + my $rolekey = "$crsrole./$cdom/$cnum"; + if ($crssec ne '') { + $rolekey .= "/$crssec"; + } + $rolekey .= './'; + $groups_roles->{$rolekey} = $rolecodes; + } + } + } + } + return; +} + +sub delete_env_groupprivs { + my ($where,$courseroles,$possroles) = @_; + return unless((ref($courseroles) eq 'HASH') && (ref($possroles) eq 'ARRAY')); + my ($dummy,$udom,$uname,$group) = split(/\//,$where); + unless (ref($courseroles->{$udom}) eq 'HASH') { + %{$courseroles->{$udom}} = + &get_my_roles('','','userroles',['active'], + $possroles,[$udom],1); + } + if (ref($courseroles->{$udom}) eq 'HASH') { + foreach my $item (keys(%{$courseroles->{$udom}})) { + my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item); + my $area = '/'.$cdom.'/'.$cnum; + my $privkey = "user.priv.$crsrole.$area"; + if ($crssec ne '') { + $privkey .= '/'.$crssec; + } + $privkey .= ".$area/$group"; + &Apache::lonnet::delenv($privkey,undef,[$crsrole]); + } + } + return; +} + +sub check_adhoc_privs { + my ($cdom,$cnum,$update,$refresh,$now,$checkrole,$caller) = @_; + my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum; + if ($env{$cckey}) { + my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend); + &role_status($cckey,$update,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend); + unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) { + &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller); + } + } else { + &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller); + } +} + +sub set_adhoc_privileges { +# role can be cc or ca + my ($dcdom,$pickedcourse,$role,$caller) = @_; + my $area = '/'.$dcdom.'/'.$pickedcourse; + my $spec = $role.'.'.$area; + my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'}, + $env{'user.name'}); + my %ccrole = (); + &standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area); + my ($author,$adv)= &set_userprivs(\%userroles,\%ccrole); + &appenv(\%userroles,[$role,'cm']); + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role); + unless ($caller eq 'constructaccess' && $env{'request.course.id'}) { + &appenv( {'request.role' => $spec, + 'request.role.domain' => $dcdom, + 'request.course.sec' => '' + } + ); + my $tadv=0; + if (&allowed('adv') eq 'F') { $tadv=1; } + &appenv({'request.role.adv' => $tadv}); + } +} + # --------------------------------------------------------------- get interface sub get { @@ -3841,11 +5059,11 @@ sub del { foreach my $item (@$storearr) { $items.=&escape($item).'&'; } + $items=~s/\&$//; 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); } @@ -3856,6 +5074,7 @@ sub dump { if (!$udomain) { $udomain=$env{'user.domain'}; } if (!$uname) { $uname=$env{'user.name'}; } my $uhome=&homeserver($uname,$udomain); + if ($regexp) { $regexp=&escape($regexp); } else { @@ -3864,15 +5083,18 @@ sub dump { 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($value); + if (!($rep =~ /^error/ )) { + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } } return %returnhash; } + # --------------------------------------------------------- dumpstore interface sub dumpstore { @@ -4155,7 +5377,7 @@ sub tmpget { return %returnhash; } -# ------------------------------------------------------------ tmpget interface +# ------------------------------------------------------------ tmpdel interface sub tmpdel { my ($token,$server)=@_; if (!defined($server)) { $server = $perlvar{'lonHostID'}; } @@ -4266,7 +5488,7 @@ sub get_portfolio_access { my (%allgroups,%allroles); my ($start,$end,$role,$sec,$group); foreach my $envkey (%env) { - if ($envkey =~ m-^user\.role\.(gr|cc|in|ta|ep|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) { + if ($envkey =~ m-^user\.role\.(gr|cc|co|in|ta|ep|ad|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) { my $cid = $2.'_'.$3; if ($1 eq 'gr') { $group = $4; @@ -4406,13 +5628,25 @@ sub is_portfolio_file { } sub usertools_access { - my ($uname,$udom,$tool,$action) = @_; - my $access; - my %tools = ( - aboutme => 1, - blog => 1, - portfolio => 1, - ); + my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_; + my ($access,%tools); + if ($context eq '') { + $context = 'tools'; + } + if ($context eq 'requestcourses') { + %tools = ( + official => 1, + unofficial => 1, + community => 1, + ); + } else { + %tools = ( + aboutme => 1, + blog => 1, + webdav => 1, + portfolio => 1, + ); + } return if (!defined($tools{$tool})); if ((!defined($udom)) || (!defined($uname))) { @@ -4422,19 +5656,29 @@ sub usertools_access { if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { if ($action ne 'reload') { - return $env{'environment.availabletools.'.$tool}; - } + if ($context eq 'requestcourses') { + return $env{'environment.canrequest.'.$tool}; + } else { + return $env{'environment.availabletools.'.$tool}; + } + } } my ($toolstatus,$inststatus); - if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { - $toolstatus = $env{'environment.tools.'.$tool}; + if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) && + ($action ne 'reload')) { + $toolstatus = $env{'environment.'.$context.'.'.$tool}; $inststatus = $env{'environment.inststatus'}; } else { - my %userenv = &userenvironment($udom,$uname,'tools.'.$tool); - $toolstatus = $userenv{'tools.'.$tool}; - $inststatus = $userenv{'inststatus'}; + if (ref($userenvref) eq 'HASH') { + $toolstatus = $userenvref->{$context.'.'.$tool}; + $inststatus = $userenvref->{'inststatus'}; + } else { + my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool,'inststatus'); + $toolstatus = $userenv{$context.'.'.$tool}; + $inststatus = $userenv{'inststatus'}; + } } if ($toolstatus ne '') { @@ -4446,8 +5690,17 @@ sub usertools_access { return $access; } - my $is_adv = &is_advanced_user($udom,$uname); - my %domdef = &get_domain_defaults($udom); + my ($is_adv,%domdef); + if (ref($is_advref) eq 'HASH') { + $is_adv = $is_advref->{'is_adv'}; + } else { + $is_adv = &is_advanced_user($udom,$uname); + } + if (ref($domdefref) eq 'HASH') { + %domdef = %{$domdefref}; + } else { + %domdef = &get_domain_defaults($udom); + } if (ref($domdef{$tool}) eq 'HASH') { if ($is_adv) { if ($domdef{$tool}{'_LC_adv'} ne '') { @@ -4489,16 +5742,50 @@ sub usertools_access { } } } else { - $access = 1; + if (($context eq 'tools') && ($tool ne 'webdav')) { + $access = 1; + } else { + $access = 0; + } return $access; } } +sub is_course_owner { + my ($cdom,$cnum,$udom,$uname) = @_; + if (($udom eq '') || ($uname eq '')) { + $udom = $env{'user.domain'}; + $uname = $env{'user.name'}; + } + unless (($udom eq '') || ($uname eq '')) { + if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'})) { + if ($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'} eq $uname.':'.$udom) { + return 1; + } else { + my %courseinfo = &Apache::lonnet::coursedescription($cdom.'/'.$cnum); + if ($courseinfo{'internal.courseowner'} eq $uname.':'.$udom) { + return 1; + } + } + } + } + return; +} + sub is_advanced_user { my ($udom,$uname) = @_; + if ($udom ne '' && $uname ne '') { + if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { + if (wantarray) { + return ($env{'user.adv'},$env{'user.author'}); + } else { + return $env{'user.adv'}; + } + } + } my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1); my %allroles; - my $is_adv; + my ($is_adv,$is_author); foreach my $role (keys(%roleshash)) { my ($trest,$tdomain,$trole,$sec) = split(/:/,$role); my $area = '/'.$tdomain.'/'.$trest; @@ -4512,6 +5799,9 @@ sub is_advanced_user { } elsif ($trole ne 'gr') { &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); } + if ($trole eq 'au') { + $is_author = 1; + } } } foreach my $role (keys(%allroles)) { @@ -4526,9 +5816,61 @@ sub is_advanced_user { } } } + if (wantarray) { + return ($is_adv,$is_author); + } return $is_adv; } +sub check_can_request { + my ($dom,$can_request,$request_domains) = @_; + my $canreq = 0; + my ($types,$typename) = &Apache::loncommon::course_types(); + my @options = ('approval','validate','autolimit'); + my $optregex = join('|',@options); + if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) { + foreach my $type (@{$types}) { + if (&usertools_access($env{'user.name'}, + $env{'user.domain'}, + $type,undef,'requestcourses')) { + $canreq ++; + if (ref($request_domains) eq 'HASH') { + push(@{$request_domains->{$type}},$env{'user.domain'}); + } + if ($dom eq $env{'user.domain'}) { + $can_request->{$type} = 1; + } + } + if ($env{'environment.reqcrsotherdom.'.$type} ne '') { + my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type}); + if (@curr > 0) { + foreach my $item (@curr) { + if (ref($request_domains) eq 'HASH') { + my ($otherdom) = ($item =~ /^($match_domain):($optregex)(=?\d*)$/); + if ($otherdom ne '') { + if (ref($request_domains->{$type}) eq 'ARRAY') { + unless (grep(/^\Q$otherdom\E$/,@{$request_domains->{$type}})) { + push(@{$request_domains->{$type}},$otherdom); + } + } else { + push(@{$request_domains->{$type}},$otherdom); + } + } + } + } + unless($dom eq $env{'user.domain'}) { + $canreq ++; + if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) { + $can_request->{$type} = 1; + } + } + } + } + } + } + return $canreq; +} + # ---------------------------------------------- Custom access rule evaluation sub customaccess { @@ -4683,17 +6025,77 @@ sub allowed { my $statecond=0; my $courseprivid=''; + my $ownaccess; + # Community Coordinator or Assistant Co-author browsing resource space. + if (($priv eq 'bro') && ($env{'user.author'})) { + if ($uri eq '') { + $ownaccess = 1; + } else { + if (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) { + my $udom = $env{'user.domain'}; + my $uname = $env{'user.name'}; + if ($uri =~ m{^\Q$udom\E/?$}) { + $ownaccess = 1; + } elsif ($uri =~ m{^\Q$udom\E/\Q$uname\E/?}) { + unless ($uri =~ m{\.\./}) { + $ownaccess = 1; + } + } elsif (($udom ne 'public') && ($uname ne 'public')) { + my $now = time; + if ($uri =~ m{^([^/]+)/?$}) { + my $adom = $1; + foreach my $key (keys(%env)) { + if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) { + my ($start,$end) = split('.',$env{$key}); + if (($now >= $start) && (!$end || $end < $now)) { + $ownaccess = 1; + last; + } + } + } + } elsif ($uri =~ m{^([^/]+)/([^/]+)/?}) { + my $adom = $1; + my $aname = $2; + foreach my $role ('ca','aa') { + if ($env{"user.role.$role./$adom/$aname"}) { + my ($start,$end) = + split('.',$env{"user.role.$role./$adom/$aname"}); + if (($now >= $start) && (!$end || $end < $now)) { + $ownaccess = 1; + last; + } + } + } + } + } + } + } + } + # Course if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + unless (($priv eq 'bro') && (!$ownaccess)) { + $thisallowed.=$1; + } } # Domain if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + unless (($priv eq 'bro') && (!$ownaccess)) { + $thisallowed.=$1; + } + } + +# User who is not author or co-author might still be able to edit +# resource of an author in the domain (e.g., if Domain Coordinator). + if (($priv eq 'eco') && ($thisallowed eq '') && ($env{'request.course.id'}) && + (&allowed('mdc',$env{'request.course.id'}))) { + if ($env{"user.priv.cm./$uri/"}=~/\Q$priv\E\&([^\:]*)/) { + $thisallowed.=$1; + } } # Course: uri itself is a course @@ -4703,7 +6105,9 @@ sub allowed { if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + unless (($priv eq 'bro') && (!$ownaccess)) { + $thisallowed.=$1; + } } # URI is an uploaded document for this course, default permissions don't matter @@ -4714,7 +6118,12 @@ sub allowed { if ($match) { if ($env{'user.priv.'.$env{'request.role'}.'./'} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my @blockers = &has_comm_blocking($priv,$symb,$uri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$1; + } } } else { my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri}; @@ -4725,7 +6134,12 @@ sub allowed { $refuri=&declutter($refuri); my ($match) = &is_on_map($refuri); if ($match) { - $thisallowed='F'; + my @blockers = &has_comm_blocking($priv,$symb,$refuri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed='F'; + } } } } @@ -4777,7 +6191,17 @@ sub allowed { $statecond=$cond; if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my $value = $1; + if ($priv eq 'bre') { + my @blockers = &has_comm_blocking($priv,$symb,$uri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$value; + } + } else { + $thisallowed.=$value; + } $checkreferer=0; } } @@ -4805,7 +6229,17 @@ sub allowed { my $refstatecond=$cond; if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid} =~/\Q$priv\E\&([^\:]*)/) { - $thisallowed.=$1; + my $value = $1; + if ($priv eq 'bre') { + my @blockers = &has_comm_blocking($priv,$symb,$refuri); + if (@blockers > 0) { + $thisallowed = 'B'; + } else { + $thisallowed.=$value; + } + } else { + $thisallowed.=$value; + } $uri=$refuri; $statecond=$refstatecond; } @@ -4843,7 +6277,7 @@ 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; @@ -4909,7 +6343,7 @@ sub allowed { 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') { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. $env{'request.course.id'}); @@ -4919,7 +6353,7 @@ sub allowed { if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'} =~/\Q$unamedom\E/) { - if ($priv ne 'pch') { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}. 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. $env{'request.course.id'}); @@ -4933,7 +6367,7 @@ sub allowed { if ($thisallowed=~/R/) { my $rolecode=(split(/\./,$env{'request.role'}))[0]; if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { - if ($priv ne 'pch') { + if (($priv ne 'pch') && ($priv ne 'plc')) { &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'. 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); } @@ -4965,6 +6399,184 @@ sub allowed { return 'F'; } +sub get_comm_blocks { + my ($cdom,$cnum) = @_; + if ($cdom eq '' || $cnum eq '') { + return unless ($env{'request.course.id'}); + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + my %commblocks; + my $hashid=$cdom.'_'.$cnum; + my ($blocksref,$cached)=&is_cached_new('comm_block',$hashid); + if ((defined($cached)) && (ref($blocksref) eq 'HASH')) { + %commblocks = %{$blocksref}; + } else { + %commblocks = &Apache::lonnet::dump('comm_block',$cdom,$cnum); + my $cachetime = 600; + &do_cache_new('comm_block',$hashid,\%commblocks,$cachetime); + } + return %commblocks; +} + +sub has_comm_blocking { + my ($priv,$symb,$uri,$blocks) = @_; + return unless ($env{'request.course.id'}); + return unless ($priv eq 'bre'); + return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/); + my %commblocks; + if (ref($blocks) eq 'HASH') { + %commblocks = %{$blocks}; + } else { + %commblocks = &get_comm_blocks(); + } + return unless (keys(%commblocks) > 0); + if (!$symb) { $symb=&symbread($uri,1); } + my ($map,$resid,undef)=&decode_symb($symb); + my %tocheck = ( + maps => $map, + resources => $symb, + ); + my @blockers; + my $now = time; + my $navmap = Apache::lonnavmaps::navmap->new(); + foreach my $block (keys(%commblocks)) { + if ($block =~ /^(\d+)____(\d+)$/) { + my ($start,$end) = ($1,$2); + if ($start <= $now && $end >= $now) { + if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') { + if ($commblocks{$block}{'blocks'}{'docs'}{'maps'}{$map}) { + unless (grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + } + } + } + if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') { + if ($commblocks{$block}{'blocks'}{'docs'}{'resources'}{$symb}) { + unless (grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + } + } + } + } + } + } + } elsif ($block =~ /^firstaccess____(.+)$/) { + my $item = $1; + my @to_test; + if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') { + my $check_interval; + if (&check_docs_block($commblocks{$block}{'blocks'}{'docs'},\%tocheck)) { + my @interval; + my $type = 'map'; + if ($item eq 'course') { + $type = 'course'; + @interval=&EXT("resource.0.interval"); + } else { + if ($item =~ /___\d+___/) { + $type = 'resource'; + @interval=&EXT("resource.0.interval",$item); + if (ref($navmap)) { + my $res = $navmap->getBySymb($item); + push(@to_test,$res); + } + } else { + my $mapsymb = &symbread($item,1); + if ($mapsymb) { + if (ref($navmap)) { + my $mapres = $navmap->getBySymb($mapsymb); + @to_test = $mapres->retrieveResources($mapres,undef,0,1); + foreach my $res (@to_test) { + my $symb = $res->symb(); + next if ($symb eq $mapsymb); + if ($symb ne '') { + @interval=&EXT("resource.0.interval",$symb); + last; + } + } + } + } + } + } + if ($interval[0] =~ /\d+/) { + my $first_access; + if ($type eq 'resource') { + $first_access=&get_first_access($interval[1],$item); + } elsif ($type eq 'map') { + $first_access=&get_first_access($interval[1],undef,$item); + } else { + $first_access=&get_first_access($interval[1]); + } + if ($first_access) { + my $timesup = $first_access+$interval[0]; + if ($timesup > $now) { + foreach my $res (@to_test) { + if ($res->is_problem()) { + if ($res->completable()) { + unless (grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + } + last; + } + } + } + } + } + } + } + } + } + } + } + return @blockers; +} + +sub check_docs_block { + my ($docsblock,$tocheck) =@_; + if ((ref($docsblock) ne 'HASH') || (ref($tocheck) ne 'HASH')) { + return; + } + if (ref($docsblock->{'maps'}) eq 'HASH') { + if ($tocheck->{'maps'}) { + if ($docsblock->{'maps'}{$tocheck->{'maps'}}) { + return 1; + } + } + } + if (ref($docsblock->{'resources'}) eq 'HASH') { + if ($tocheck->{'resources'}) { + if ($docsblock->{'resources'}{$tocheck->{'resources'}}) { + return 1; + } + } + } + return; +} + +# +# Removes the versino from a URI and +# splits it in to its filename and path to the filename. +# Seems like File::Basename could have done this more clearly. +# Parameters: +# $uri - input URI +# Returns: +# Two element list consisting of +# $pathname - the URI up to and excluding the trailing / +# $filename - The part of the URI following the last / +# NOTE: +# Another realization of this is simply: +# use File::Basename; +# ... +# $uri = shift; +# $filename = basename($uri); +# $path = dirname($uri); +# return ($filename, $path); +# +# The implementation below is probably faster however. +# sub split_uri_for_cond { my $uri=&deversion(&declutter(shift)); my @uriparts=split(/\//,$uri); @@ -5116,8 +6728,7 @@ sub update_allusers_table { 'generation='.&escape($names->{'generation'}).'%%'. 'permanentemail='.&escape($names->{'permanentemail'}).'%%'. 'id='.&escape($names->{'id'}),$homeserver); - my $reply = &get_query_reply($queryid); - return $reply; + return; } # ------- Request retrieval of institutional classlists for course(s) @@ -5134,7 +6745,7 @@ sub fetch_enrollment_query { } my $host=&hostname($homeserver); my $cmd = ''; - foreach my $affiliate (keys %{$affiliatesref}) { + foreach my $affiliate (keys(%{$affiliatesref})) { $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%'; } $cmd =~ s/%%$//; @@ -5161,7 +6772,7 @@ sub fetch_enrollment_query { $$replyref{$key} = $value; } } else { - my $pathname = $perlvar{'lonDaemons'}.'/tmp'; + my $pathname = LONCAPA::tempdir(); foreach my $line (@responses) { my ($key,$value) = split(/=/,$line); $$replyref{$key} = $value; @@ -5191,7 +6802,7 @@ sub fetch_enrollment_query { sub get_query_reply { my $queryid=shift; - my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; + my $replyfile=LONCAPA::tempdir().$queryid; my $reply=''; for (1..100) { sleep 2; @@ -5267,19 +6878,29 @@ sub auto_run { 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); + my $homeserver; + if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { + $homeserver = &homeserver($cnum,$cdom); + } + if (!defined($homeserver)) { + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + } + my @secs; + if (defined($homeserver)) { + 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 ($cnum,$cdom,$inst_course_id,$owner,$coowners) = @_; my $homeserver = &homeserver($cnum,$cdom); - my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); + my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.&escape($owner).':'.$cdom.':'.&escape($coowners),$homeserver)); return $response; } @@ -5290,6 +6911,23 @@ sub auto_validate_courseID { return $response; } +sub auto_validate_instcode { + my ($cnum,$cdom,$instcode,$owner) = @_; + my ($homeserver,$response); + if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) { + $homeserver = &homeserver($cnum,$cdom); + } + if (!defined($homeserver)) { + if ($cdom =~ /^$match_domain$/) { + $homeserver = &domain($cdom,'primary'); + } + } + $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'. + &escape($instcode).':'.&escape($owner),$homeserver)); + my ($outcome,$description) = map { &unescape($_); } split('&',$response,2); + return ($outcome,$description); +} + sub auto_create_password { my ($cnum,$cdom,$authparam,$udom) = @_; my ($homeserver,$response); @@ -5404,6 +7042,13 @@ sub auto_instcode_format { push(@homeservers,$tryserver); } } + } elsif ($caller eq 'requests') { + if ($codedom =~ /^$match_domain$/) { + my $chome = &domain($codedom,'primary'); + unless ($chome eq 'no_host') { + push(@homeservers,$chome); + } + } } else { push(@homeservers,&homeserver($caller,$codedom)); } @@ -5461,7 +7106,81 @@ sub auto_instcode_defaults { } return $response; -} +} + +sub auto_possible_instcodes { + my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_; + unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') && + (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) { + return; + } + my (@homeservers,$uhome); + if (defined(&domain($domain,'primary'))) { + $uhome=&domain($domain,'primary'); + push(@homeservers,&domain($domain,'primary')); + } else { + my %servers = &get_servers($domain,'library'); + foreach my $tryserver (keys(%servers)) { + if (!grep(/^\Q$tryserver\E$/,@homeservers)) { + push(@homeservers,$tryserver); + } + } + } + my $response; + foreach my $server (@homeservers) { + $response=&reply('autopossibleinstcodes:'.$domain,$server); + next if ($response =~ /(con_lost|error|no_such_host|refused)/); + my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) = + split(':',$response); + @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr)); + @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr)); + foreach my $item (split('&',$cat_title)) { + my ($name,$value)=split('=',$item); + $cat_titles->{&unescape($name)}=&thaw_unescape($value); + } + foreach my $item (split('&',$cat_order)) { + my ($name,$value)=split('=',$item); + $cat_orders->{&unescape($name)}=&thaw_unescape($value); + } + return 'ok'; + } + return $response; +} + +sub auto_courserequest_checks { + my ($dom) = @_; + my ($homeserver,%validations); + if ($dom =~ /^$match_domain$/) { + $homeserver = &domain($dom,'primary'); + } + unless ($homeserver eq 'no_host') { + my $response=&reply('autocrsreqchecks:'.$dom,$homeserver); + unless ($response =~ /(con_lost|error|no_such_host|refused)/) { + my @items = split(/&/,$response); + foreach my $item (@items) { + my ($key,$value) = split('=',$item); + $validations{&unescape($key)} = &thaw_unescape($value); + } + } + } + return %validations; +} + +sub auto_courserequest_validation { + my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = @_; + my ($homeserver,$response); + if ($dom =~ /^$match_domain$/) { + $homeserver = &domain($dom,'primary'); + } + unless ($homeserver eq 'no_host') { + + $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner). + ':'.&escape($crstype).':'.&escape($inststatuslist). + ':'.&escape($instcode).':'.&escape($instseclist), + $homeserver)); + } + return $response; +} sub auto_validate_class_sec { my ($cdom,$cnum,$owners,$inst_class) = @_; @@ -5614,28 +7333,38 @@ sub devalidate_getgroups_cache { # ------------------------------------------------------------------ Plain Text sub plaintext { - my ($short,$type,$cid) = @_; - if ($short =~ /^cr/) { + my ($short,$type,$cid,$forcedefault) = @_; + if ($short =~ m{^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', + Course => 'std', + Community => 'alt1', ); - if (defined($type) && - defined($rolenames{$type}) && - defined($prp{$short}{$rolenames{$type}})) { + if ($cid ne '') { + if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') { + unless ($forcedefault) { + my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'}; + &Apache::lonlocal::mt_escape(\$roletext); + return &Apache::lonlocal::mt($roletext); + } + } + } + if ((defined($type)) && (defined($rolenames{$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'}); + } elsif ($cid ne '') { + my $crstype = $env{'course.'.$cid.'.type'}; + if (($crstype ne '') && (defined($rolenames{$crstype})) && + (defined($prp{$short}{$rolenames{$crstype}}))) { + return &Apache::lonlocal::mt($prp{$short}{$rolenames{$crstype}}); + } } + return &Apache::lonlocal::mt($prp{$short}{'std'}); } # ----------------------------------------------------------------- Assign Role @@ -5648,10 +7377,27 @@ sub assignrole { my $cwosec=$url; $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'}); - return 'refused'; + my $refused = 1; + if ($context eq 'requestcourses') { + if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) { + if ($role =~ m{^cr/($match_domain)/($match_username)/([^/]+)$}) { + if (($1 eq $env{'user.domain'}) && ($2 eq $env{'user.name'})) { + my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$}); + my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner')); + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } + } + } + if ($refused) { + &logthis('Refused custom assignrole: '. + $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start. + ' by '.$env{'user.name'}.' at '.$env{'user.domain'}); + return 'refused'; + } } $mrole='cr'; } elsif ($role =~ /^gr\//) { @@ -5677,15 +7423,61 @@ sub assignrole { $refused = 1; } if ($refused) { - if (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { + my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$}); + if (!$selfenroll && $context eq 'course') { + my %crsenv; + if ($role eq 'cc' || $role eq 'co') { + %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner')); + if (($role eq 'cc') && ($cnum !~ /^$match_community$/)) { + if ($env{'request.role'} eq 'cc./'.$cdom.'/'.$cnum) { + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } elsif (($role eq 'co') && ($cnum =~ /^$match_community$/)) { + if ($env{'request.role'} eq 'co./'.$cdom.'/'.$cnum) { + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } + } + } elsif (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { $refused = ''; - } else { + } elsif ($context eq 'requestcourses') { + my @possroles = ('st','ta','ep','in','cc','co'); + if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) { + my $wrongcc; + if ($cnum =~ /^$match_community$/) { + $wrongcc = 1 if ($role eq 'cc'); + } else { + $wrongcc = 1 if ($role eq 'co'); + } + unless ($wrongcc) { + my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner')); + if ($crsenv{'internal.courseowner'} eq + $env{'user.name'}.':'.$env{'user.domain'}) { + $refused = ''; + } + } + } + } + if ($refused) { &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url. ' '.$role.' '.$end.' '.$start.' by '. $env{'user.name'}.' at '.$env{'user.domain'}); return 'refused'; } } + } elsif ($role eq 'au') { + if ($url ne '/'.$udom.'/') { + &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}. + ' to assign author role for '.$uname.':'.$udom. + ' in domain: '.$url.' refused (wrong domain).'); + return 'refused'; + } } $mrole=$role; } @@ -5726,10 +7518,97 @@ sub assignrole { &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend, $origstart,$selfenroll,$context); } + if ($role eq 'cc') { + &autoupdate_coowners($url,$end,$start,$uname,$udom); + } } return $answer; } +sub autoupdate_coowners { + my ($url,$end,$start,$uname,$udom) = @_; + my ($cdom,$cnum) = ($url =~ m{^/($match_domain)/($match_courseid)}); + if (($cdom ne '') && ($cnum ne '')) { + my $now = time; + my %domdesign = &Apache::loncommon::get_domainconf($cdom); + if ($domdesign{$cdom.'.autoassign.co-owners'}) { + my %coursehash = &coursedescription($cdom.'_'.$cnum); + my $instcode = $coursehash{'internal.coursecode'}; + if ($instcode ne '') { + if (($start && $start <= $now) && ($end == 0) || ($end > $now)) { + unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) { + my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners); + my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom); + if ($result eq 'valid') { + if ($coursehash{'internal.co-owners'}) { + foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) { + push(@newcoowners,$coowner); + } + unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) { + push(@newcoowners,$uname.':'.$udom); + } + @newcoowners = sort(@newcoowners); + } else { + push(@newcoowners,$uname.':'.$udom); + } + } else { + if ($coursehash{'internal.co-owners'}) { + foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) { + unless ($coowner eq $uname.':'.$udom) { + push(@newcoowners,$coowner); + } + } + unless (@newcoowners > 0) { + $delcoowners = 1; + $coowners = ''; + } + } + } + if (@newcoowners || $delcoowners) { + &store_coowners($cdom,$cnum,$coursehash{'home'}, + $delcoowners,@newcoowners); + } + } + } + } + } + } +} + +sub store_coowners { + my ($cdom,$cnum,$chome,$delcoowners,@newcoowners) = @_; + my $cid = $cdom.'_'.$cnum; + my ($coowners,$delresult,$putresult); + if (@newcoowners) { + $coowners = join(',',@newcoowners); + my %coownershash = ( + 'internal.co-owners' => $coowners, + ); + $putresult = &put('environment',\%coownershash,$cdom,$cnum); + if ($putresult eq 'ok') { + if ($env{'course.'.$cid.'.num'} eq $cnum) { + &appenv({'course.'.$cid.'.internal.co-owners' => $coowners}); + } + } + } + if ($delcoowners) { + $delresult = &Apache::lonnet::del('environment',['internal.co-owners'],$cdom,$cnum); + if ($delresult eq 'ok') { + if ($env{'course.'.$cid.'.internal.co-owners'}) { + &Apache::lonnet::delenv('course.'.$cid.'.internal.co-owners'); + } + } + } + if (($putresult eq 'ok') || ($delresult eq 'ok')) { + my %crsinfo = + &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.'); + if (ref($crsinfo{$cid}) eq 'HASH') { + $crsinfo{$cid}{'co-owners'} = \@newcoowners; + my $cidput = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime'); + } + } +} + # -------------------------------------------------- Modify user authentication # Overrides without validation @@ -5762,17 +7641,27 @@ sub modifyuser { my ($udom, $uname, $uid, $umode, $upass, $first, $middle, $last, $gene, - $forceid, $desiredhome, $email, $inststatus)=@_; + $forceid, $desiredhome, $email, $inststatus, $candelete)=@_; $udom= &LONCAPA::clean_domain($udom); $uname=&LONCAPA::clean_username($uname); + my $showcandelete = 'none'; + if (ref($candelete) eq 'ARRAY') { + if (@{$candelete} > 0) { + $showcandelete = join(', ',@{$candelete}); + } + } &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. - $last.', '.$gene.'(forceid: '.$forceid.')'. + $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'. (defined($desiredhome) ? ' desiredhome = '.$desiredhome : ' desiredhome not specified'). ' by '.$env{'user.name'}.' at '.$env{'user.domain'}. ' in domain '.$env{'request.role.domain'}); my $uhome=&homeserver($uname,$udom,'true'); + my $newuser; + if ($uhome eq 'no_host') { + $newuser = 1; + } # ----------------------------------------------------------------- Create User if (($uhome eq 'no_host') && (($umode && $upass) || ($umode eq 'localauth'))) { @@ -5825,16 +7714,41 @@ sub modifyuser { ['firstname','middlename','lastname','generation','id', 'permanentemail','inststatus'], $udom,$uname); - my %names; + my (%names,%oldnames); if ($tmp[0] =~ m/^error:.*/) { %names=(); } else { %names = @tmp; + %oldnames = %names; } # -# Make sure to not trash student environment if instructor does not bother -# to supply name and email information -# +# If name, email and/or uid are blank (e.g., because an uploaded file +# of users did not contain them), do not overwrite existing values +# unless field is in $candelete array ref. +# + + my @fields = ('firstname','middlename','lastname','generation', + 'permanentemail','id'); + my %newvalues; + if (ref($candelete) eq 'ARRAY') { + foreach my $field (@fields) { + if (grep(/^\Q$field\E$/,@{$candelete})) { + if ($field eq 'firstname') { + $names{$field} = $first; + } elsif ($field eq 'middlename') { + $names{$field} = $middle; + } elsif ($field eq 'lastname') { + $names{$field} = $last; + } elsif ($field eq 'generation') { + $names{$field} = $gene; + } elsif ($field eq 'permanentemail') { + $names{$field} = $email; + } elsif ($field eq 'id') { + $names{$field} = $uid; + } + } + } + } if ($first) { $names{'firstname'} = $first; } if (defined($middle)) { $names{'middlename'} = $middle; } if ($last) { $names{'lastname'} = $last; } @@ -5844,19 +7758,55 @@ sub modifyuser { if ($email=~/\@/) { $names{'permanentemail'} = $email; } } if ($uid) { $names{'id'} = $uid; } - if (defined($inststatus)) { $names{'inststatus'} = $inststatus; } - my $reply = &put('environment', \%names, $udom,$uname); - if ($reply ne 'ok') { return 'error: '.$reply; } - my $sqlresult = &update_allusers_table($uname,$udom,\%names); - &devalidate_cache_new('namescache',$uname.':'.$udom); - my $logmsg = 'Success modifying user '.$udom.', '.$uname.', '.$uid.', '. + if (defined($inststatus)) { + $names{'inststatus'} = ''; + my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom); + if (ref($usertypes) eq 'HASH') { + my @okstatuses; + foreach my $item (split(/:/,$inststatus)) { + if (defined($usertypes->{$item})) { + push(@okstatuses,$item); + } + } + if (@okstatuses) { + $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses); + } + } + } + my $logmsg = $udom.', '.$uname.', '.$uid.', '. $umode.', '.$first.', '.$middle.', '. - $last.', '.$gene.', '.$email.', '.$inststatus; + $last.', '.$gene.', '.$email.', '.$inststatus; if ($env{'user.name'} ne '' && $env{'user.domain'}) { $logmsg .= ' by '.$env{'user.name'}.' at '.$env{'user.domain'}; } else { $logmsg .= ' during self creation'; } + my $changed; + if ($newuser) { + $changed = 1; + } else { + foreach my $field (@fields) { + if ($names{$field} ne $oldnames{$field}) { + $changed = 1; + last; + } + } + } + unless ($changed) { + $logmsg = 'No changes in user information needed for: '.$logmsg; + &logthis($logmsg); + return 'ok'; + } + my $reply = &put('environment', \%names, $udom,$uname); + if ($reply ne 'ok') { + return 'error: '.$reply; + } + if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) { + &Apache::lonnet::devalidate_cache_new('emailscache',$uname.':'.$udom); + } + my $sqlresult = &update_allusers_table($uname,$udom,\%names); + &devalidate_cache_new('namescache',$uname.':'.$udom); + $logmsg = 'Success modifying user '.$logmsg; &logthis($logmsg); return 'ok'; } @@ -5866,7 +7816,7 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid, - $selfenroll,$context)=@_; + $selfenroll,$context,$inststatus)=@_; if (!$cid) { unless ($cid=$env{'request.course.id'}) { return 'not_in_class'; @@ -5875,7 +7825,7 @@ sub modifystudent { # --------------------------------------------------------------- Make the user my $reply=&modifyuser ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid, - $desiredhome,$email); + $desiredhome,$email,$inststatus); unless ($reply eq 'ok') { return $reply; } # This will cause &modify_student_enrollment to get the uid from the # students environment @@ -5929,14 +7879,16 @@ sub modify_student_enrollment { $uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); } my $fullname = &format_name($first,$middle,$last,$gene,'lastname'); + my $user = "$uname:$udom"; + my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum); my $reply=cput('classlist', - {"$uname:$udom" => + {$user => join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, $cdom,$cnum); - unless (($reply eq 'ok') || ($reply eq 'delayed')) { + if (($reply eq 'ok') || ($reply eq 'delayed')) { + &devalidate_getsection_cache($udom,$uname,$cid); + } else { return 'error: '.$reply; - } else { - &devalidate_getsection_cache($udom,$uname,$cid); } # Add student role to user my $uurl='/'.$cid; @@ -5944,7 +7896,16 @@ sub modify_student_enrollment { if ($usec) { $uurl.='/'.$usec; } - return &assignrole($udom,$uname,$uurl,'st',$end,$start,undef,$selfenroll,$context); + my $result = &assignrole($udom,$uname,$uurl,'st',$end,$start,undef, + $selfenroll,$context); + if ($result ne 'ok') { + if ($old_entry{$user} ne '') { + $reply = &cput('classlist',\%old_entry,$cdom,$cnum); + } else { + $reply = &del('classlist',[$user],$cdom,$cnum); + } + } + return $result; } sub format_name { @@ -5989,48 +7950,90 @@ sub writecoursepref { sub createcourse { my ($udom,$description,$url,$course_server,$nonstandard,$inst_code, - $course_owner,$crstype)=@_; + $course_owner,$crstype,$cnum,$context,$category)=@_; $url=&declutter($url); my $cid=''; - unless (&allowed('ccc',$udom)) { + if ($context eq 'requestcourses') { + my $can_create = 0; + my ($ownername,$ownerdom) = split(':',$course_owner); + if ($udom eq $ownerdom) { + if (&usertools_access($ownername,$ownerdom,$category,undef, + $context)) { + $can_create = 1; + } + } else { + my %userenv = &userenvironment($ownerdom,$ownername,'reqcrsotherdom.'. + $category); + if ($userenv{'reqcrsotherdom.'.$category} ne '') { + my @curr = split(',',$userenv{'reqcrsotherdom.'.$category}); + if (@curr > 0) { + my @options = qw(approval validate autolimit); + my $optregex = join('|',@options); + if (grep(/^\Q$udom\E:($optregex)(=?\d*)$/,@curr)) { + $can_create = 1; + } + } + } + } + if ($can_create) { + unless ($ownername eq $env{'user.name'} && $ownerdom eq $env{'user.domain'}) { + unless (&allowed('ccc',$udom)) { + return 'refused'; + } + } + } else { + return 'refused'; + } + } elsif (!&allowed('ccc',$udom)) { return 'refused'; } -# ------------------------------------------------------------------- Create ID - 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,$udom,'true'); - unless (($uhome eq '') || ($uhome eq 'no_host')) { - $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). - unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; - $uhome=&homeserver($uname,$udom,'true'); - unless (($uhome eq '') || ($uhome eq 'no_host')) { - return 'error: unable to generate unique course-ID'; - } - } -# ------------------------------------------------ Check supplied server name - $course_server = $env{'user.homeserver'} if (! defined($course_server)); - if (! &is_library($course_server)) { - return 'error:bad server name '.$course_server; +# --------------------------------------------------------------- Get Unique ID + my $uname; + if ($cnum =~ /^$match_courseid$/) { + my $chome=&homeserver($cnum,$udom,'true'); + if (($chome eq '') || ($chome eq 'no_host')) { + $uname = $cnum; + } else { + $uname = &generate_coursenum($udom,$crstype); + } + } else { + $uname = &generate_coursenum($udom,$crstype); + } + return $uname if ($uname =~ /^error/); +# -------------------------------------------------- Check supplied server name + if (!defined($course_server)) { + if (defined(&domain($udom,'primary'))) { + $course_server = &domain($udom,'primary'); + } else { + $course_server = $env{'user.home'}; + } + } + my %host_servers = + &Apache::lonnet::get_servers($udom,'library'); + unless ($host_servers{$course_server}) { + return 'error: invalid home server for course: '.$course_server; } # ------------------------------------------------------------- Make the course my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', $course_server); unless ($reply eq 'ok') { return 'error: '.$reply; } - $uhome=&homeserver($uname,$udom,'true'); + my $uhome=&homeserver($uname,$udom,'true'); if (($uhome eq '') || ($uhome eq 'no_host')) { return 'error: no such course'; } # ----------------------------------------------------------------- Course made # log existence + my $now = time; my $newcourse = { $udom.'_'.$uname => { description => $description, inst_code => $inst_code, owner => $course_owner, type => $crstype, + creator => $env{'user.name'}.':'. + $env{'user.domain'}, + created => $now, + context => $context, }, }; &courseidput($udom,$newcourse,$uhome,'notime'); @@ -6055,19 +8058,95 @@ ENDINITMAP } # ----------------------------------------------------------- Write preferences &writecoursepref($udom.'_'.$uname, - ('description' => $description, - 'url' => $topurl)); + ('description' => $description, + 'url' => $topurl, + 'internal.creator' => $env{'user.name'}.':'. + $env{'user.domain'}, + 'internal.created' => $now, + 'internal.creationcontext' => $context) + ); return '/'.$udom.'/'.$uname; } +# ------------------------------------------------------------------- Create ID +sub generate_coursenum { + my ($udom,$crstype) = @_; + my $domdesc = &domain($udom); + return 'error: invalid domain' if ($domdesc eq ''); + my $first; + if ($crstype eq 'Community') { + $first = '0'; + } else { + $first = int(1+rand(9)); + } + my $uname=$first. + ('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,$udom,'true'); + unless (($uhome eq '') || ($uhome eq 'no_host')) { + if ($crstype eq 'Community') { + $first = '0'; + } else { + $first = int(1+rand(9)); + } + $uname=$first. + ('a'..'z','A'..'Z','0'..'9')[int(rand(62))]. + substr($$.time,0,5).unpack("H8",pack("I32",time)). + unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; + $uhome=&homeserver($uname,$udom,'true'); + unless (($uhome eq '') || ($uhome eq 'no_host')) { + return 'error: unable to generate unique course-ID'; + } + } + return $uname; +} + sub is_course { - my ($cdom,$cnum) = @_; - my %courses = &courseiddump($cdom,'.',1,'.','.',$cnum,undef, - undef,'.'); - if (exists($courses{$cdom.'_'.$cnum})) { - return 1; + my ($cdom, $cnum) = scalar(@_) == 1 ? + ($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_; + + return unless $cdom and $cnum; + + my %courses = &courseiddump($cdom, '.', 1, '.', '.', $cnum, undef, undef, + '.'); + + return unless exists($courses{$cdom.'_'.$cnum}); + return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum; +} + +sub store_userdata { + my ($storehash,$datakey,$namespace,$udom,$uname) = @_; + my $result; + if ($datakey ne '') { + if (ref($storehash) eq 'HASH') { + if ($udom eq '' || $uname eq '') { + $udom = $env{'user.domain'}; + $uname = $env{'user.name'}; + } + my $uhome=&homeserver($uname,$udom); + if (($uhome eq '') || ($uhome eq 'no_host')) { + $result = 'error: no_host'; + } else { + $storehash->{'ip'} = $ENV{'REMOTE_ADDR'}; + $storehash->{'host'} = $perlvar{'lonHostID'}; + + my $namevalue=''; + foreach my $key (keys(%{$storehash})) { + $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&'; + } + $namevalue=~s/\&$//; + $result = &reply("store:$udom:$uname:$namespace:$datakey:". + $namevalue,$uhome); + } + } else { + $result = 'error: data to store was not a hash reference'; + } + } else { + $result= 'error: invalid requestkey'; } - return 0; + return $result; } # ---------------------------------------------------------- Assign Custom Role @@ -6112,10 +8191,10 @@ sub diskusage { } sub is_locked { - my ($file_name, $domain, $user) = @_; + my ($file_name, $domain, $user, $which) = @_; my @check; my $is_locked; - push @check, $file_name; + push (@check,$file_name); my %locked = &get('file_permissions',\@check, $env{'user.domain'},$env{'user.name'}); my ($tmp)=keys(%locked); @@ -6124,14 +8203,19 @@ sub is_locked { if (ref($locked{$file_name}) eq 'ARRAY') { $is_locked = 'false'; foreach my $entry (@{$locked{$file_name}}) { - if (ref($entry) eq 'ARRAY') { + if (ref($entry) eq 'ARRAY') { $is_locked = 'true'; - last; + if (ref($which) eq 'ARRAY') { + push(@{$which},$entry); + } else { + last; + } } } } else { $is_locked = 'false'; } + return $is_locked; } sub declutter_portfile { @@ -6175,7 +8259,7 @@ sub save_selected_files { sub clear_selected_files { my ($user) = @_; my $filename = $user."savedfiles"; - open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (OUT, '>'.LONCAPA::tempdir().$filename); print (OUT undef); close (OUT); return ("ok"); @@ -6185,7 +8269,7 @@ sub files_in_path { my ($user, $path) = @_; my $filename = $user."savedfiles"; my %return_files; - open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open (IN, '<'.LONCAPA::tempdir().$filename); while (my $line_in = ) { chomp ($line_in); my @paths_and_file = split (m!/!, $line_in); @@ -6207,7 +8291,7 @@ sub files_not_in_path { my $filename = $user."savedfiles"; my @return_files; my $path_part; - open(IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + open(IN, '<'.LONCAPA::.$filename); while (my $line = ) { #ok, I know it's clunky, but I want it to work my @paths_and_file = split(m|/|, $line); @@ -6555,26 +8639,33 @@ sub dirlist { if($udom) { if($uname) { + my $uhome = &homeserver($uname,$udom); + if ($uhome eq 'no_host') { + return ([],'no_host'); + } $listing = &reply('ls3:'.&escape('/'.$uri).':'.$getpropath.':' .$getuserdir.':'.&escape($dirRoot) - .':'.&escape($uname).':'.&escape($udom), - &homeserver($uname,$udom)); + .':'.&escape($uname).':'.&escape($udom),$uhome); if ($listing eq 'unknown_cmd') { - $listing = &reply('ls2:'.$dirRoot.'/'.$uri, - &homeserver($uname,$udom)); + $listing = &reply('ls2:'.$dirRoot.'/'.$uri,$uhome); } else { @listing_results = map { &unescape($_); } split(/:/,$listing); } if ($listing eq 'unknown_cmd') { - $listing = &reply('ls:'.$dirRoot.'/'.$uri, - &homeserver($uname,$udom)); + $listing = &reply('ls:'.$dirRoot.'/'.$uri,$uhome); @listing_results = split(/:/,$listing); } else { @listing_results = map { &unescape($_); } split(/:/,$listing); } - return @listing_results; + if (($listing eq 'no_such_host') || ($listing eq 'con_lost') || + ($listing eq 'rejected') || ($listing eq 'refused') || + ($listing eq 'no_such_dir') || ($listing eq 'empty')) { + return ([],$listing); + } else { + return (\@listing_results); + } } elsif(!$alternateRoot) { - my %allusers; + my (%allusers,%listerror); my %servers = &get_servers($udom,'library'); foreach my $tryserver (keys(%servers)) { $listing = &reply('ls3:'.&escape("/res/$udom").':::::'. @@ -6593,32 +8684,31 @@ sub dirlist { @listing_results = map { &unescape($_); } split(/:/,$listing); } - if ($listing_results[0] ne 'no_such_dir' && - $listing_results[0] ne 'empty' && - $listing_results[0] ne 'con_lost') { + if (($listing eq 'no_such_host') || ($listing eq 'con_lost') || + ($listing eq 'rejected') || ($listing eq 'refused') || + ($listing eq 'no_such_dir') || ($listing eq 'empty')) { + $listerror{$tryserver} = $listing; + } else { foreach my $line (@listing_results) { my ($entry) = split(/&/,$line,2); $allusers{$entry} = 1; } } } - my $alluserstr=''; + my @alluserslist=(); foreach my $user (sort(keys(%allusers))) { - $alluserstr.=$user.'&user:'; + push(@alluserslist,$user.'&user'); } - $alluserstr=~s/:$//; - return split(/:/,$alluserstr); + return (\@alluserslist); } else { - return ('missing user name'); + return ([],'missing username'); } } elsif(!defined($getpropath)) { - my @all_domains = sort(&all_domains()); - foreach my $domain (@all_domains) { - $domain = $perlvar{'lonDocRoot'}.'/res/'.$domain.'/&domain'; - } - return @all_domains; + my $path = $perlvar{'lonDocRoot'}.'/res/'; + my @all_domains = map { $path.$_.'/&domain'; } (sort(&all_domains())); + return (\@all_domains); } else { - return ('missing domain'); + return ([],'missing domain'); } } @@ -6631,11 +8721,13 @@ sub GetFileTimestamp { my ($studentDomain,$studentName,$filename,$getuserdir)=@_; $studentDomain = &LONCAPA::clean_domain($studentDomain); $studentName = &LONCAPA::clean_username($studentName); - my ($fileStat) = - &Apache::lonnet::dirlist($filename,$studentDomain,$studentName, - undef,$getuserdir); - my @stats = split('&', $fileStat); - if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { + my ($fileref,$error) = &dirlist($filename,$studentDomain,$studentName, + undef,$getuserdir); + if (($error eq 'empty') || ($error eq 'no_such_dir')) { + return -1; + } + if (ref($fileref) eq 'ARRAY') { + my @stats = split('&',$fileref->[0]); # @stats contains first the filename, then the stat output return $stats[10]; # so this is 10 instead of 9. } else { @@ -6667,12 +8759,15 @@ sub stat_file { if ($file =~ /^userfiles\//) { $getpropath = 1; } - my ($result) = &dirlist($file,$udom,$uname,$getpropath); - my @stats = split('&', $result); - - if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { - shift(@stats); #filename is first - return @stats; + my ($listref,$error) = &dirlist($file,$udom,$uname,$getpropath); + if (($error eq 'empty') || ($error eq 'no_such_dir')) { + return (); + } else { + if (ref($listref) eq 'ARRAY') { + my @stats = split('&',$listref->[0]); + shift(@stats); #filename is first + return @stats; + } } return (); } @@ -6993,15 +9088,7 @@ sub EXT { } elsif ($realm eq 'request') { # ------------------------------------------------------------- request.browser if ($space eq 'browser') { - if ($qualifier eq 'textremote') { - 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}; @@ -7274,6 +9361,7 @@ sub add_prefix_and_part { # ---------------------------------------------------------------- Get metadata my %metaentry; +my %importedpartids; sub metadata { my ($uri,$what,$liburi,$prefix,$depthcount)=@_; $uri=&declutter($uri); @@ -7281,10 +9369,10 @@ sub metadata { if (($uri eq '') || (($uri =~ m|^/*adm/|) && ($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || - ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) ) { + ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) { return undef; } - if (($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) + if (($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) { return undef; } @@ -7300,6 +9388,10 @@ sub metadata { if (defined($cached)) { return $result->{':'.$what}; } } { +# Imported parts would go here + my %importedids=(); + my @origfileimportpartids=(); + my $importedparts=0; # # Is this a recursive call for a library? # @@ -7317,13 +9409,14 @@ sub metadata { my %metathesekeys=(); unless ($filename=~/\.meta$/) { $filename.='.meta'; } my $metastring; - if ($uri =~ /^~/ || $uri =~ m{home/$match_username/public_html/}) { + if ($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) { my $which = &hreflocation('','/'.($liburi || $uri)); $metastring = &Apache::lonnet::ssi_body($which, ('grade_target' => 'meta')); $cachetime = 1; # only want this cached in the child not long term - } elsif ($uri !~ m -^(editupload)/-) { + } elsif (($uri !~ m -^(editupload)/-) && + ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) { my $file=&filelocation('',&clutter($filename)); #push(@{$metaentry{$uri.'.file'}},$file); $metastring=&getfile($file); @@ -7383,27 +9476,55 @@ sub metadata { # This is not a package - some other kind of start tag # my $entry=$token->[1]; - my $unikey; - if ($entry eq 'import') { - $unikey=''; - } else { - $unikey=$entry; - } - $unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); - - if (defined($token->[2]->{'id'})) { - $unikey.='_'.$token->[2]->{'id'}; - } + my $unikey=''; if ($entry eq 'import') { # # Importing a library here # + my $location=$parser->get_text('/import'); + my $dir=$filename; + $dir=~s|[^/]*$||; + $location=&filelocation($dir,$location); + + my $importmode=$token->[2]->{'importmode'}; + if ($importmode eq 'problem') { +# Import as problem/response + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + } elsif ($importmode eq 'part') { +# Import as part(s) + $importedparts=1; +# We need to get the original file and the imported file to get the part order correct +# Good news: we do not need to worry about nested libraries, since parts cannot be nested +# Load and inspect original file + if ($#origfileimportpartids<0) { + undef(%importedpartids); + my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri); + my $origfile=&getfile($origfilelocation); + @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + } + +# Load and inspect imported file + my $impfile=&getfile($location); + my @impfilepartids=($impfile=~/]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs); + if ($#impfilepartids>=0) { +# This problem had parts + $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids); + } else { +# Importing by turning a single problem into a problem part +# It gets the import-tags ID as part-ID + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'}); + $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'}; + } + } else { +# Normal import + $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } + } + if ($depthcount<20) { - my $location=$parser->get_text('/import'); - my $dir=$filename; - $dir=~s|[^/]*$||; - $location=&filelocation($dir,$location); my $metadata = &metadata($uri,'keys', $location,$unikey, $depthcount+1); @@ -7411,9 +9532,16 @@ sub metadata { $metaentry{':'.$meta}=$metaentry{':'.$meta}; $metathesekeys{$meta}=1; } - } - } else { + } + } else { +# +# Not importing, some other kind of non-package, non-library start tag +# + $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'}); + if (defined($token->[2]->{'id'})) { + $unikey.='_'.$token->[2]->{'id'}; + } if (defined($token->[2]->{'name'})) { $unikey.='_'.$token->[2]->{'name'}; } @@ -7487,6 +9615,22 @@ sub metadata { grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'})); $metaentry{':packages'} = join(',',@uniq_packages); + if ($importedparts) { +# We had imported parts and need to rebuild partorder + $metaentry{':partorder'}=''; + $metathesekeys{'partorder'}=1; + for (my $index=0;$index<$#origfileimportpartids;$index+=2) { + if ($origfileimportpartids[$index] eq 'part') { +# original part, part of the problem + $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1]; + } else { +# we have imported parts at this position + $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]}; + } + } + $metaentry{':partorder'}=~s/^\,//; + } + $metaentry{':keys'} = join(',',keys(%metathesekeys)); &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri); $metaentry{':allpossiblekeys'}=join(',',keys %metathesekeys); @@ -7559,6 +9703,11 @@ sub devalidate_title_cache { &devalidate_cache_new('title',$key); } +# ------------------------------------------------- Get the title of a course + +sub current_course_title { + return $env{ 'course.' . $env{'request.course.id'} . '.description' }; +} # ------------------------------------------------- Get the title of a resource sub gettitle { @@ -7584,6 +9733,10 @@ sub gettitle { } $title=~s/\&colon\;/\:/gs; if ($title) { +# Remember both $symb and $title for dynamic metadata + $accesshash{$symb.'___crstitle'}=$title; + $accesshash{&declutter($map).'___'.&declutter($url).'___usage'}=time; +# Cache this title and then return it return &do_cache_new('title',$key,$title,600); } $urlsymb=$url; @@ -7616,6 +9769,84 @@ sub get_slot { } return $slotinfo{$which}; } + +sub get_reservable_slots { + my ($cnum,$cdom,$uname,$udom) = @_; + my $now = time; + my $reservable_info; + my $key=join("\0",'reservableslots',$cdom,$cnum,$uname,$udom); + if (exists($remembered{$key})) { + $reservable_info = $remembered{$key}; + } else { + my %resv; + ($resv{'now_order'},$resv{'now'},$resv{'future_order'},$resv{'future'}) = + &Apache::loncommon::get_future_slots($cnum,$cdom,$now); + $reservable_info = \%resv; + $remembered{$key} = $reservable_info; + } + return $reservable_info; +} + +sub get_course_slots { + my ($cnum,$cdom) = @_; + my $hashid=$cnum.':'.$cdom; + my ($result,$cached) = &Apache::lonnet::is_cached_new('allslots',$hashid); + if (defined($cached)) { + if (ref($result) eq 'HASH') { + return %{$result}; + } + } else { + my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum); + my ($tmp) = keys(%slots); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + &Apache::lonnet::do_cache_new('allslots',$hashid,\%slots,600); + return %slots; + } + } + return; +} + +sub devalidate_slots_cache { + my ($cnum,$cdom)=@_; + my $hashid=$cnum.':'.$cdom; + &devalidate_cache_new('allslots',$hashid); +} + +sub get_coursechange { + my ($cdom,$cnum) = @_; + if ($cdom eq '' || $cnum eq '') { + return unless ($env{'request.course.id'}); + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + } + my $hashid=$cdom.'_'.$cnum; + my ($change,$cached)=&is_cached_new('crschange',$hashid); + if ((defined($cached)) && ($change ne '')) { + return $change; + } else { + my %crshash; + %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum); + if ($crshash{'internal.contentchange'} eq '') { + $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'}; + if ($change eq '') { + %crshash = &get('environment',['internal.created'],$cdom,$cnum); + $change = $crshash{'internal.created'}; + } + } else { + $change = $crshash{'internal.contentchange'}; + } + my $cachetime = 600; + &do_cache_new('crschange',$hashid,$change,$cachetime); + } + return $change; +} + +sub devalidate_coursechange_cache { + my ($cnum,$cdom)=@_; + my $hashid=$cnum.':'.$cdom; + &devalidate_cache_new('crschange',$hashid); +} + # ------------------------------------------------- Update symbolic store links sub symblist { @@ -7625,7 +9856,7 @@ sub symblist { if (($env{'request.course.fn'}) && (%newhash)) { if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db', &GDBM_WRCREAT(),0640)) { - foreach my $url (keys %newhash) { + foreach my $url (keys(%newhash)) { next if ($url eq 'last_known' && $env{'form.no_update_last_known'}); $hash{declutter($url)}=&encode_symb($mapname, @@ -7662,19 +9893,27 @@ sub symbverify { if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db', &GDBM_READER(),0640)) { + if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) { + $thisurl =~ s/\?.+$//; + } my $ids=$bighash{'ids_'.&clutter($thisurl)}; - unless ($ids) { - $ids=$bighash{'ids_/'.$thisurl}; + unless ($ids) { + my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl; + $ids=$bighash{$idkey}; } if ($ids) { # ------------------------------------------------------------------- Has ID(s) foreach my $id (split(/\,/,$ids)) { my ($mapid,$resid)=split(/\./,$id); + if ($thisfn =~ m{^/adm/wrapper/ext/}) { + $symb =~ s/\?.+$//; + } if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { if (($env{'request.role.adv'}) || - $bighash{'encrypted_'.$id} eq $env{'request.enc'}) { + ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) || + ($thisurl eq '/adm/navmaps')) { $okay=1; } } @@ -7752,7 +9991,11 @@ sub deversion { sub symbread { my ($thisfn,$donotrecurse)=@_; my $cache_str='request.symbread.cached.'.$thisfn; - if (defined($env{$cache_str})) { return $env{$cache_str}; } + if (defined($env{$cache_str})) { + if (($thisfn) || ($env{$cache_str} ne '')) { + return $env{$cache_str}; + } + } # no filename provided? try from environment unless ($thisfn) { if ($env{'request.symb'}) { @@ -7949,19 +10192,44 @@ sub getCODE { } return undef; } - +# +# Determines the random seed for a specific context: +# +# parameters: +# symb - in course context the symb for the seed. +# course_id - The course id of the form domain_coursenum. +# domain - Domain for the user. +# course - Course for the user. +# cenv - environment of the course. +# +# NOTE: +# All parameters are picked out of the environment if missing +# or not defined. +# If a symb cannot be determined the current time is used instead. +# +# For a given well defined symb, courside, domain, username, +# and course environment, the seed is reproducible. +# sub rndseed { - my ($symb,$courseid,$domain,$username)=@_; + my ($symb,$courseid,$domain,$username, $cenv)=@_; my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser(); if (!defined($symb)) { unless ($symb=$wsymb) { return time; } } - if (!$courseid) { $courseid=$wcourseid; } - if (!$domain) { $domain=$wdomain; } - if (!$username) { $username=$wusername } - my $which=&get_rand_alg(); + if (!defined $courseid) { + $courseid=$wcourseid; + } + if (!defined $domain) { $domain=$wdomain; } + if (!defined $username) { $username=$wusername } + my $which; + if (defined($cenv->{'rndseed'})) { + $which = $cenv->{'rndseed'}; + } else { + $which =&get_rand_alg($courseid); + } if (defined(&getCODE())) { + if ($which eq '64bit5') { return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username); } elsif ($which eq '64bit4') { @@ -8285,8 +10553,9 @@ sub getfile { sub repcopy_userfile { my ($file)=@_; - if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); } - if ($file =~ m|^/home/httpd/html/lonUsers/|) { return 'ok'; } + my $londocroot = $perlvar{'lonDocRoot'}; + if ($file =~ m{^/*(uploaded|editupload)/}) { $file=&filelocation("",$file); } + if ($file =~ m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; } my ($cdom,$cnum,$filename) = ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|); my $uri="/uploaded/$cdom/$cnum/$filename"; @@ -8415,13 +10684,7 @@ sub filelocation { $file=~s-^/adm/coursedocs/showdoc/-/-; } - if ($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 =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) { + if ($file =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) { $location = $file; } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file my ($udom,$uname,$filename)= @@ -8431,7 +10694,7 @@ sub filelocation { 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; + $location=propath($udom,$uname).'/userfiles/'.$filename; } else { $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. $udom.'/'.$uname.'/'.$filename; @@ -8440,11 +10703,12 @@ sub filelocation { $location = $perlvar{'lonDocRoot'}.'/'.$file; } else { $file=~s/^\Q$perlvar{'lonDocRoot'}\E//; - $file=~s:^/res/:/:; + $file=~s:^/(res|priv)/:/:; + my $space=$1; if ( !( $file =~ m:^/:) ) { $location = $dir. '/'.$file; } else { - $location = '/home/httpd/html/res'.$file; + $location = $perlvar{'lonDocRoot'}.'/'.$space.$file; } } $location=~s://+:/:g; # remove duplicate / @@ -8469,11 +10733,9 @@ sub hreflocation { } if ($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; + $file=~s{^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/} + {/uploaded/$1/$2/}x; } if ($file=~ m{^/userfiles/}) { $file =~ s{^/userfiles/}{/uploaded/}; @@ -8481,6 +10743,10 @@ sub hreflocation { return $file; } + + + + sub current_machine_domains { return &machine_domains(&hostname($perlvar{'lonHostID'})); } @@ -8546,7 +10812,10 @@ sub declutter { $thisfn=~s|^adm/wrapper/||; $thisfn=~s|^adm/coursedocs/showdoc/||; $thisfn=~s/^res\///; - $thisfn=~s/\?.+$//; + $thisfn=~s/^priv\///; + unless (($thisfn =~ /^ext/) || ($thisfn =~ /\.(page|sequence)___\d+___ext/)) { + $thisfn=~s/\?.+$//; + } return $thisfn; } @@ -8558,8 +10827,8 @@ sub clutter { || $thisfn =~ m{^/adm/(includes|pages)} ) { $thisfn='/res'.$thisfn; } - if ($thisfn !~m|/adm|) { - if ($thisfn =~ m|/ext/|) { + if ($thisfn !~m|^/adm|) { + if ($thisfn =~ m|^/ext/|) { $thisfn='/adm/wrapper'.$thisfn; } else { my ($ext) = ($thisfn =~ /\.(\w+)$/); @@ -8667,6 +10936,7 @@ sub get_dns { while (%alldns) { my ($dns) = keys(%alldns); my $ua=new LWP::UserAgent; + $ua->timeout(30); my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url"); my $response=$ua->request($request); delete($alldns{$dns}); @@ -8750,14 +11020,21 @@ sub get_dns { my %libserv; my $loaded; my %name_to_host; + my %internetdom; + my %LC_dns_serv; sub parse_hosts_tab { my ($file) = @_; foreach my $configline (@$file) { next if ($configline =~ /^(\#|\s*$ )/x); - next if ($configline =~ /^\^/); - chomp($configline); - my ($id,$domain,$role,$name,$protocol)=split(/:/,$configline); + chomp($configline); + if ($configline =~ /^\^/) { + if ($configline =~ /^\^([\w.\-]+)/) { + $LC_dns_serv{$1} = 1; + } + next; + } + my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline); $name=~s/\s//g; if ($id && $domain && $role && $name) { $hostname{$id}=$name; @@ -8773,6 +11050,9 @@ sub get_dns { } else { $protocol{$id} = 'http'; } + if (defined($intdom)) { + $internetdom{$id} = $intdom; + } } } } @@ -8834,6 +11114,12 @@ sub get_dns { return %libserv; } + sub unique_library { + #2x reverse removes all hostnames that appear more than once + my %unique = reverse &all_library(); + return reverse %unique; + } + sub get_servers { &load_hosts_tab() if (!$loaded); @@ -8857,6 +11143,11 @@ sub get_dns { return %result; } + sub get_unique_servers { + my %unique = reverse &get_servers(@_); + return reverse %unique; + } + sub host_domain { &load_hosts_tab() if (!$loaded); @@ -8871,6 +11162,21 @@ sub get_dns { my @uniq = grep(!$seen{$_}++, values(%hostdom)); return @uniq; } + + sub internet_dom { + &load_hosts_tab() if (!$loaded); + + my ($lonid) = @_; + return $internetdom{$lonid}; + } + + sub is_LC_dns { + &load_hosts_tab() if (!$loaded); + + my ($hostname) = @_; + return exists($LC_dns_serv{$hostname}); + } + } { @@ -8963,6 +11269,65 @@ sub get_dns { return %iphost; } + + # + # Given a DNS returns the loncapa host name for that DNS + # + sub host_from_dns { + my ($dns) = @_; + my @hosts; + my $ip; + + if (exists($name_to_ip{$dns})) { + $ip = $name_to_ip{$dns}; + } + if (!$ip) { + $ip = gethostbyname($dns); # Initial translation to IP is in net order. + if (length($ip) == 4) { + $ip = &IO::Socket::inet_ntoa($ip); + } + } + if ($ip) { + @hosts = get_hosts_from_ip($ip); + return $hosts[0]; + } + return undef; + } + + sub get_internet_names { + my ($lonid) = @_; + return if ($lonid eq ''); + my ($idnref,$cached)= + &Apache::lonnet::is_cached_new('internetnames',$lonid); + if ($cached) { + return $idnref; + } + my $ip = &get_host_ip($lonid); + my @hosts = &get_hosts_from_ip($ip); + my %iphost = &get_iphost(); + my (@idns,%seen); + foreach my $id (@hosts) { + my $dom = &host_domain($id); + my $prim_id = &domain($dom,'primary'); + my $prim_ip = &get_host_ip($prim_id); + next if ($seen{$prim_ip}); + if (ref($iphost{$prim_ip}) eq 'ARRAY') { + foreach my $id (@{$iphost{$prim_ip}}) { + my $intdom = &internet_dom($id); + unless (grep(/^\Q$intdom\E$/,@idns)) { + push(@idns,$intdom); + } + } + } + $seen{$prim_ip} = 1; + } + return &Apache::lonnet::do_cache_new('internetnames',$lonid,\@idns,12*60*60); + } + +} + +sub all_loncaparevs { + return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10); } BEGIN { @@ -9040,9 +11405,72 @@ BEGIN { close($config); } +# ---------------------------------------------------------- Read loncaparev table +{ + if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") { + if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($hostid,$loncaparev)=split(/:/,$configline); + $loncaparevs{$hostid}=$loncaparev; + } + close($config); + } + } +} + +# ---------------------------------------------------------- Read serverhostID table +{ + if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { + if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { + while (my $configline=<$config>) { + chomp($configline); + my ($name,$id)=split(/:/,$configline); + $serverhomeIDs{$name}=$id; + } + close($config); + } + } +} + +{ + my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml'; + if (-e $file) { + my $parser = HTML::LCParser->new($file); + while (my $token = $parser->get_token()) { + if ($token->[0] eq 'S') { + my $item = $token->[1]; + my $name = $token->[2]{'name'}; + my $value = $token->[2]{'value'}; + if ($item ne '' && $name ne '' && $value ne '') { + my $release = $parser->get_text(); + $release =~ s/(^\s*|\s*$ )//gx; + $needsrelease{$item.':'.$name.':'.$value} = $release; + } + } + } + } +} + +# ---------------------------------------------------------- Read managers table +{ + if (-e "$perlvar{'lonTabDir'}/managers.tab") { + if (open(my $config,"<$perlvar{'lonTabDir'}/managers.tab")) { + while (my $configline=<$config>) { + chomp($configline); + next if ($configline =~ /^\#/); + if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) { + $managerstab{$configline} = 1; + } + } + close($config); + } + } +} + # ------------- set up temporary directory { - $tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; + $tmpdir = LONCAPA::tempdir(); } @@ -9244,9 +11672,11 @@ in the user's environment.db and in %env =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. +B: removes all items from the session +environment file that begin with $delthis. If the +optional second arg - $regexp - is true, $delthis is treated as a +regular expression, otherwise \Q$delthis\E is used. +The values are also deleted from the current processes %env. =item * get_env_multiple($name) @@ -9268,9 +11698,14 @@ authentication scheme =item * X -B: try to +B: try to authenticate user from domain's lib servers (first use the current one). C<$upass> should be the users password. +$checkdefauth is optional (value is 1 if a check should be made to + authenticate user using default authentication method, and allow + account creation if username does not have account in the domain). +$clientcancheckhost is optional (value is 1 if checking whether the + server can host will occur on the client side in lonauth.pm). =item * X @@ -9296,7 +11731,13 @@ B: store away a list =item * X -B: get user privileges +B: get user privileges. +returns user role, first access and timer interval hashes + +=item * +X +B: returns a true if user has a +privileged and active role (i.e. su or dc), false otherwise. =item * X @@ -9343,9 +11784,14 @@ and course level =item * -plaintext($short) : return value in %prp hash (rolesplain.tab); plain text -explanation of a user role term - +plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash +(rolesplain.tab); plain text explanation of a user role term. +$type is Course (default) or Community. +If $forcedefault evaluates to true, text returned will be default +text for $type. Otherwise, if this is a course, the text returned +will be a custom name for the role (if defined in the course's +environment). If no custom name is defined the default is returned. + =item * get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec) : @@ -9387,9 +11833,16 @@ modifyuserauth($udom,$uname,$umode,$upas =item * -modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene, - $forceid,$desiredhome,$email,$inststatus) : -modify user +modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last, $gene, + $forceid,$desiredhome,$email,$inststatus,$candelete) : + +will update user information (firstname,middlename,lastname,generation, +permanentemail), and if forceid is true, student/employee ID also. +A user's institutional affiliation(s) can also be updated. +User information fields will not be overwritten with empty entries +unless the field is included in the $candelete array reference. +This array is included when a single user is modified via "Manage Users", +or when Autoupdate.pl is run by cron in a domain. =item * @@ -9517,11 +11970,32 @@ revokecustomrole($udom,$uname,$url,$role =item * -coursedescription($courseid) : returns a hash of information about the +coursedescription($courseid,$options) : 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' +$options is an optional parameter that if supplied is a hash reference that controls +what how this function works. It has the following key/values: + +=over 4 + +=item freshen_cache + +If defined, and the environment cache for the course is valid, it is +returned in the returned hash. + +=item one_time + +If defined, the last cache time is set to _now_ + +=item user + +If defined, the supplied username is used instead of the current user. + + +=back + =item * resdata($name,$domain,$type,@which) : request for current parameter @@ -9550,7 +12024,24 @@ database) for a course =item * -createcourse($udom,$description,$url) : make/modify course +createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course + +=item * + +generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community). + +=item * + +is_course($courseid), is_course($cdom, $cnum) + +Accepts either a combined $courseid (in the form of domain_courseid) or the +two component version $cdom, $cnum. It checks if the specified course exists. + +Returns: + undef if the course doesn't exist, otherwise + in scalar context the combined courseid. + in list context the two components of the course identifier, domain and + courseid. =back @@ -9848,14 +12339,96 @@ or lonTabs/domain.tab. =item * -dirlist($uri) : return directory list based on URI +dirlist() : return directory list based on URI (first arg). + +Inputs: 1 required, 5 optional. + +=over + +=item +$uri - path to file in filesystem (starts: /res or /userfiles/). Required. + +=item +$userdomain - domain of user/course to be listed. Extracted from $uri if absent. + +=item +$username - username of user/course to be listed. Extracted from $uri if absent. + +=item +$getpropath - boolean: 1 if prepend path using &propath(). + +=item +$getuserdir - boolean: 1 if prepend path for "userfiles". + +=item +$alternateRoot - path to prepend in place of path from $uri. + +=back + +Returns: Array of up to two items. + +=over + +a reference to an array of files/subdirectories + +=over + +Each element in the array of files/subdirectories is a & separated list of +item name and the result of running stat on the item. If dirlist was requested +for a file instead of a directory, the item name will be ''. For a directory +listing, if the item is a metadata file, the element will end &N&M +(where N amd M are either 0 or 1, corresponding to obsolete set (1), or +default copyright set (1). + +=back + +a scalar containing error condition (if encountered). + +=over + +=item +no_host (no homeserver identified for $username:$domain). + +=item +no_such_host (server contacted for listing not identified as valid host). + +=item +con_lost (connection to remote server failed). + +=item +refused (invalid $username:$domain received on lond side). + +=item +no_such_dir (directory at specified path on lond side does not exist). + +=item +empty (directory at specified path on lond side is empty). + +=over + +This is currently not encountered because the &ls3, &ls2, +&ls (_handler) routines on the lond side do not filter out +. and .. from a directory listing. + +=back + +=back + +=back =item * spareserver() : find server with least workload from spare.tab + +=item * + +host_from_dns($dns) : Returns the loncapa hostname corresponding to a DNS name or undef +if there is no corresponding loncapa host. + =back + =head2 Apache Request =over 4 @@ -9903,11 +12476,12 @@ splitting on '&', supports elements that =head2 Logging Routines -=over 4 These routines allow one to make log messages in the lonnet.log and lonnet.perm logfiles. +=over 4 + =item * logtouch() : make sure the logfile, lonnet.log, exists @@ -9923,6 +12497,7 @@ logperm() : append a permanent message t file never gets deleted by any automated portion of the system, only messages of critical importance should go in here. + =back =head2 General File Helper Routines @@ -9996,8 +12571,10 @@ userfileupload(): main rotine for puttin 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 + context - if coursedoc, store the file in the course of the active role + of the current user; + if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp + if 'canceloverwrite': delete file in tmp/overwrites directory subdir - required - subdirectory to put the file in under ../userfiles/ if undefined, it will be placed in "unknown" @@ -10019,16 +12596,29 @@ returns: the new clean filename =item * -finishuserfileupload(): routine that creaes and sends the file to +finishuserfileupload(): routine that creates 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 + fname: filename (including subdirectories) for the file + parser: if 'parse', will parse (html) file to extract references to objects, links etc. + allfiles: reference to hash used to store objects found by parser + codebase: reference to hash used for codebases of java objects found by parser + thumbwidth: width (pixels) of thumbnail to be created for uploaded image + thumbheight: height (pixels) of thumbnail to be created for uploaded image + resizewidth: width to be used to resize image using resizeImage from ImageMagick + resizeheight: height to be used to resize image using resizeImage from ImageMagick + context: if 'overwrite', will move the uploaded file from its temporary location to + userfiles to facilitate overwriting a previously uploaded file with same name. + mimetype: reference to scalar to accommodate mime type determined + from File::MMagic if $parser = parse. returns either the url of the uploaded file (/uploaded/....) if successful - and /adm/notfound.html if unsuccessful + and /adm/notfound.html if unsuccessful (or an error message if context + was 'overwrite'). + =item *