--- loncom/lonnet/perl/lonnet.pm 2004/12/04 02:14:19 1.572 +++ loncom/lonnet/perl/lonnet.pm 2005/01/11 21:43:33 1.586 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.572 2004/12/04 02:14:19 banghart Exp $ +# $Id: lonnet.pm,v 1.586 2005/01/11 21:43:33 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -1406,13 +1406,13 @@ sub finishuserfileupload { } # Save the file { - #&Apache::lonnet::logthis("Saving to $filepath $file"); open(FH,'>'.$filepath.'/'.$file); print FH $ENV{'form.'.$formname}; close(FH); } # Notify homeserver to grep it # + &Apache::lonnet::logthis("fetching ".$path.$file); my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { # @@ -1588,11 +1588,23 @@ sub courseacclog { my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) { $what.=':POST'; + # FIXME: Probably ought to escape things.... foreach (keys %ENV) { if ($_=~/^form\.(.*)/) { $what.=':'.$1.'='.$ENV{$_}; } } + } elsif ($fnsymb =~ m:^/adm/searchcat:) { + # FIXME: We should not be depending on a form parameter that someone + # editing lonsearchcat.pm might change in the future. + if ($ENV{'form.phase'} eq 'course_search') { + $what.= ':POST'; + # FIXME: Probably ought to escape things.... + foreach my $element ('courseexp','crsfulltext','crsrelated', + 'crsdiscuss') { + $what.=':'.$element.'='.$ENV{'form.'.$element}; + } + } } &courselog($what); } @@ -1644,6 +1656,7 @@ sub get_course_adv_roles { if (($tend) && ($tend<$now)) { next; } if (($tstart) && ($now<$tstart)) { next; } my ($role,$username,$domain,$section)=split(/\:/,$_); + if ($username eq '' || $domain eq '') { next; } if ((&privileged($username,$domain)) && (!$nothide{$username.':'.$domain})) { next; } my $key=&plaintext($role); @@ -2363,7 +2376,7 @@ sub privileged { my $now=time; if ($rolesdump ne '') { foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { + if ($_!~/^rolesdef_/) { my ($area,$role)=split(/=/,$_); $area=~s/\_\w\w$//; my ($trole,$tend,$tstart)=split(/_/,$role); @@ -2395,11 +2408,11 @@ sub rolesinit { if ($rolesdump ne '') { foreach (split(/&/,$rolesdump)) { - if ($_!~/^rolesdef\&/) { + if ($_!~/^rolesdef_/) { my ($area,$role)=split(/=/,$_); $area=~s/\_\w\w$//; my ($trole,$tend,$tstart)=split(/_/,$role); - $userroles.=&set_arearole($trole,$area,$tstart,$tend); + $userroles.=&set_arearole($trole,$area,$tstart,$tend,$domain,$username); if (($tend!=0) && ($tend<$now)) { $trole=''; } if (($tstart!=0) && ($tstart>$now)) { $trole=''; } if (($area ne '') && ($trole ne '')) { @@ -2776,7 +2789,7 @@ sub customaccess { # ------------------------------------------------- Check for a user privilege sub allowed { - my ($priv,$uri)=@_; + my ($priv,$uri,$symb)=@_; $uri=&deversion($uri); my $orguri=$uri; $uri=&declutter($uri); @@ -3057,7 +3070,7 @@ sub allowed { if ($thisallowed=~/X/) { if ($ENV{'acc.randomout'}) { - my $symb=&symbread($uri,1); + if (!$symb) { $symb=&symbread($uri,1); } if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) { return ''; } @@ -3359,11 +3372,18 @@ sub auto_instcode_format { my $courses = ''; my $homeserver; if ($caller eq 'global') { - $homeserver = $perlvar{'lonHostID'}; + foreach my $tryserver (keys %libserv) { + if ($hostdom{$tryserver} eq $codedom) { + $homeserver = $tryserver; + last; + } + } + if (($ENV{'user.name'}) && ($ENV{'user.domain'} eq $codedom)) { + $homeserver = &homeserver($ENV{'user.name'},$codedom); + } } else { $homeserver = &homeserver($caller,$codedom); } - my $host=$hostname{$homeserver}; foreach (keys %{$instcodes}) { $courses .= &escape($_).'='.&escape($$instcodes{$_}).'&'; } @@ -3817,20 +3837,45 @@ sub mark_as_readonly { sub save_selected_files { my ($user, $path, @files) = @_; my $filename = $user."savedfiles"; - open OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename; - foreach (@files) { - print OUT $ENV{'form.currentpath'}.$_."\n"; + my @other_files = &files_not_in_path($user, $path); + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + foreach my $file (@files) { + print (OUT $ENV{'form.currentpath'}.$file."\n"); + } + foreach my $file (@other_files) { + print (OUT $file."\n"); } - close OUT; + close (OUT); return 'ok'; } +sub clear_selected_files { + my ($user) = @_; + my $filename = $user."savedfiles"; + open (OUT, '>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + print (OUT undef); + close (OUT); + return ("ok"); +} + sub files_in_path { my ($user, $path) = @_; my $filename = $user."savedfiles"; my %return_files; - open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename; - return \%return_files; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); + while (my $line_in = ) { + chomp ($line_in); + my @paths_and_file = split (m!/!, $line_in); + my $file_part = pop (@paths_and_file); + my $path_part = join ('/', @paths_and_file); + $path_part.='/'; + my $path_and_file = $path_part.$file_part; + if ($path_part eq $path) { + $return_files{$file_part}= 'selected'; + } + } + close (IN); + return (\%return_files); } # called in portfolio select mode, to show files selected NOT in current directory @@ -3839,23 +3884,21 @@ sub files_not_in_path { my $filename = $user."savedfiles"; my @return_files; my $path_part; - open IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename; + open (IN, '<'.$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename); while () { #ok, I know it's clunky, but I want it to work my @paths_and_file = split m!/!, $_; - my $file_part = pop @paths_and_file; - my $path_part = join '/', @paths_and_file; + my $file_part = pop (@paths_and_file); + chomp ($file_part); + my $path_part = join ('/', @paths_and_file); $path_part .= '/'; my $path_and_file = $path_part.$file_part; if ($path_part ne $path) { - push @return_files, ($path_and_file); - &logthis("path part is $path_part file is $file_part"); - } else { - &logthis("path part is $path_part file is $file_part"); + push (@return_files, ($path_and_file)); } } - close OUT; - return @return_files; + close (OUT); + return (@return_files); } #--------------------------------------------------------------Get Marked as Read Only @@ -3877,7 +3920,25 @@ sub get_marked_as_readonly { } return @readonly_files; } +#-----------------------------------------------------------Get Marked as Read Only Hash +sub get_marked_as_readonly_hash { + my ($domain,$user,$what) = @_; + my %current_permissions = &Apache::lonnet::dump('file_permissions',$domain,$user); + my %readonly_files; + while (my ($file_name,$value) = each(%current_permissions)) { + if (ref($value) eq "ARRAY"){ + foreach my $stored_what (@{$value}) { + if ($stored_what eq $what) { + $readonly_files{$file_name} = 'locked'; + } elsif (!defined($what)) { + $readonly_files{$file_name} = 'locked'; + } + } + } + } + return %readonly_files; +} # ------------------------------------------------------------ Unmark as Read Only sub unmark_as_readonly { @@ -4389,6 +4450,7 @@ sub packages_tab_default { if (defined($packagetab{"$pack_type&$name&default"})) { return $packagetab{"$pack_type&$name&default"}; } + if ($pack_type eq 'part') { $pack_part='0'; } if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { return $packagetab{$pack_type."_".$pack_part."&$name&default"}; } @@ -4670,7 +4732,9 @@ sub gettitle { my $symb=&symbread($urlsymb); if ($symb) { my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); - if (defined($cached)) { return $result; } + if (defined($cached)) { + return $result; + } my ($map,$resid,$url)=&decode_symb($symb); my $title=''; my %bighash; @@ -4746,8 +4810,11 @@ sub symbverify { if ( &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) eq $symb) { - $okay=1; - } + if (($ENV{'request.role.adv'}) || + $bighash{'encrypted_'.$_} eq $ENV{'request.enc'}) { + $okay=1; + } + } } } untie(%bighash); @@ -4942,8 +5009,25 @@ sub numval2 { return int($total); } +sub numval3 { + use integer; + my $txt=shift; + $txt=~tr/A-J/0-9/; + $txt=~tr/a-j/0-9/; + $txt=~tr/K-T/0-9/; + $txt=~tr/k-t/0-9/; + $txt=~tr/U-Z/0-5/; + $txt=~tr/u-z/0-5/; + $txt=~s/\D//g; + my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); + my $total; + foreach my $val (@txts) { $total+=$val; } + if ($_64bit) { $total=(($total<<32)>>32); } + return $total; +} + sub latest_rnd_algorithm_id { - return '64bit3'; + return '64bit4'; } sub get_rand_alg { @@ -4982,7 +5066,13 @@ sub rndseed { if (!$username) { $username=$wusername } my $which=&get_rand_alg(); if (defined(&getCODE())) { - return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + if ($which eq '64bit4') { + return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username); + } else { + return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); + } + } elsif ($which eq '64bit4') { + return &rndseed_64bit4($symb,$courseid,$domain,$username); } elsif ($which eq '64bit3') { return &rndseed_64bit3($symb,$courseid,$domain,$username); } elsif ($which eq '64bit2') { @@ -5079,6 +5169,30 @@ sub rndseed_64bit3 { } } +sub rndseed_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + # strings need to be an even # of cahracters long, it it is odd the + # last characters gets thrown away + my $symbchck=unpack("%32S*",$symb.' ') << 21; + my $symbseed=numval3($symb) << 10; + my $namechck=unpack("%32S*",$username.' '); + + my $nameseed=numval3($username) << 21; + my $domainseed=unpack("%32S*",$domain.' ') << 10; + my $courseseed=unpack("%32S*",$courseid.' '); + + my $num1=$symbchck+$symbseed+$namechck; + my $num2=$nameseed+$domainseed+$courseseed; + #&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$_64bit"); + if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); } + + return "$num1:$num2"; + } +} + sub rndseed_CODE_64bit { my ($symb,$courseid,$domain,$username)=@_; { @@ -5098,6 +5212,25 @@ sub rndseed_CODE_64bit { } } +sub rndseed_CODE_64bit4 { + my ($symb,$courseid,$domain,$username)=@_; + { + use integer; + my $symbchck=unpack("%32S*",$symb.' ') << 16; + my $symbseed=numval3($symb); + my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; + my $CODEseed=numval3(&getCODE()); + my $courseseed=unpack("%32S*",$courseid.' '); + my $num1=$symbseed+$CODEchck; + my $num2=$CODEseed+$courseseed+$symbchck; + #&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); + #&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); + if ($_64bit) { $num1=(($num1<<32)>>32); } + if ($_64bit) { $num2=(($num2<<32)>>32); } + return "$num1:$num2"; + } +} + sub setup_random_from_rndseed { my ($rndseed)=@_; if ($rndseed =~/([,:])/) { @@ -5436,10 +5569,10 @@ sub thaw_unescape { } sub mod_perl_version { + return 1; if (defined($perlvar{'MODPERL2'})) { return 2; } - return 1; } sub correct_line_ends { @@ -5472,6 +5605,7 @@ BEGIN { # ----------------------------------- Read loncapa.conf and loncapa_apache.conf unless ($readit) { { + # FIXME: Use LONCAPA::Configuration::read_conf here and omit next block open(my $config,") { @@ -6107,9 +6241,10 @@ returns the data handle =item * symbverify($symb,$thisfn) : verifies that $symb actually exists and is -a possible symb for the URL in $thisfn, returns a 1 on success, 0 on -failure, user must be in a course, as it assumes the existance of the -course initi hash, and uses $ENV('request.course.id'} +a possible symb for the URL in $thisfn, and if is an encryypted +resource that the user accessed using /enc/ returns a 1 on success, 0 +on failure, user must be in a course, as it assumes the existance of +the course initial hash, and uses $ENV('request.course.id'} =item *