';
my @srchins = ('crs','dom','alc','instd');
@@ -9580,6 +9938,7 @@ sub user_picker {
next if ($option eq 'alc');
next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
next if ($option eq 'crs' && !$env{'request.course.id'});
+ next if (($option eq 'instd') && ($noinstd));
if ($curr_selected{'srchin'} eq $option) {
$srchinsel .= '
'.$html_lt{$option}.' ';
@@ -10077,7 +10436,7 @@ sub get_institutional_codes {
foreach (@currxlists) {
if (m/^([^:]+):(\w*)$/) {
unless (grep/^$1$/,@{$allcourses}) {
- push @{$allcourses},$1;
+ push(@{$allcourses},$1);
$$LC_code{$1} = $2;
}
}
@@ -10090,7 +10449,7 @@ sub get_institutional_codes {
my $sec = $coursecode.$1;
my $lc_sec = $2;
unless (grep/^$sec$/,@{$allcourses}) {
- push @{$allcourses},$sec;
+ push(@{$allcourses},$sec);
$$LC_code{$sec} = $lc_sec;
}
}
@@ -11341,7 +11700,7 @@ sub modify_html_refs {
return;
}
}
- if (open(my $fh,"<$container")) {
+ if (open(my $fh,'<',$container)) {
$content = join('', <$fh>);
close($fh);
} else {
@@ -11406,7 +11765,7 @@ sub modify_html_refs {
}
}
} else {
- if (open(my $fh,">$container")) {
+ if (open(my $fh,'>',$container)) {
print $fh $content;
close($fh);
$output = ''.&mt('Updated [quant,_1,reference] in [_2].',
@@ -11923,6 +12282,18 @@ sub decompress_uploaded_file {
sub process_decompression {
my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
+ unless (($dir_root eq '/userfiles') && ($destination =~ m{^(docs|supplemental)/(default|\d+)/\d+$})) {
+ return '
'.&mt('Not extracted.').' '.
+ &mt('Unexpected file path.').'
'."\n";
+ }
+ unless (($docudom =~ /^$match_domain$/) && ($docuname =~ /^$match_courseid$/)) {
+ return ''.&mt('Not extracted.').' '.
+ &mt('Unexpected course context.').'
'."\n";
+ }
+ unless ($file eq &Apache::lonnet::clean_filename($file)) {
+ return ''.&mt('Not extracted.').' '.
+ &mt('Filename contained unexpected characters.').'
'."\n";
+ }
my ($dir,$error,$warning,$output);
if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/i) {
$error = &mt('Filename not a supported archive file type.').
@@ -11957,30 +12328,44 @@ sub process_decompression {
}
}
my $numskip = scalar(@to_skip);
- if (($numskip > 0) &&
- ($numskip == $env{'form.archive_itemcount'})) {
+ my $numoverwrite = scalar(@to_overwrite);
+ if (($numskip) && (!$numoverwrite)) {
$warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');
} elsif ($dir eq '') {
$error = &mt('Directory containing archive file unavailable.');
} elsif (!$error) {
my ($decompressed,$display);
- if ($numskip > 0) {
+ if (($numskip) || ($numoverwrite)) {
my $tempdir = time.'_'.$$.int(rand(10000));
mkdir("$dir/$tempdir",0755);
- system("mv $dir/$file $dir/$tempdir/$file");
- ($decompressed,$display) =
- &decompress_uploaded_file($file,"$dir/$tempdir");
- foreach my $item (@to_skip) {
- if (($item ne '') && ($item !~ /\.\./)) {
- if (-f "$dir/$tempdir/$item") {
- unlink("$dir/$tempdir/$item");
- } elsif (-d "$dir/$tempdir/$item") {
- system("rm -rf $dir/$tempdir/$item");
+ if (&File::Copy::move("$dir/$file","$dir/$tempdir/$file")) {
+ ($decompressed,$display) =
+ &decompress_uploaded_file($file,"$dir/$tempdir");
+ foreach my $item (@to_skip) {
+ if (($item ne '') && ($item !~ /\.\./)) {
+ if (-f "$dir/$tempdir/$item") {
+ unlink("$dir/$tempdir/$item");
+ } elsif (-d "$dir/$tempdir/$item") {
+ &File::Path::remove_tree("$dir/$tempdir/$item",{ safe => 1 });
+ }
+ }
+ }
+ foreach my $item (@to_overwrite) {
+ if ((-e "$dir/$tempdir/$item") && (-e "$dir/$item")) {
+ if (($item ne '') && ($item !~ /\.\./)) {
+ if (-f "$dir/$item") {
+ unlink("$dir/$item");
+ } elsif (-d "$dir/$item") {
+ &File::Path::remove_tree("$dir/$item",{ safe => 1 });
+ }
+ &File::Copy::move("$dir/$tempdir/$item","$dir/$item");
+ }
}
}
+ if (&File::Copy::move("$dir/$tempdir/$file","$dir/$file")) {
+ &File::Path::remove_tree("$dir/$tempdir",{ safe => 1 });
+ }
}
- system("mv $dir/$tempdir/* $dir");
- rmdir("$dir/$tempdir");
} else {
($decompressed,$display) =
&decompress_uploaded_file($file,$dir);
@@ -11998,8 +12383,7 @@ sub process_decompression {
if (ref($newdirlistref) eq 'ARRAY') {
foreach my $dir_line (@{$newdirlistref}) {
my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
- unless (($item =~ /^\.+$/) || ($item eq $file) ||
- ((@to_skip > 0) && (grep(/^\Q$item\E$/,@to_skip)))) {
+ unless (($item =~ /^\.+$/) || ($item eq $file)) {
push(@newitems,$item);
if ($dirptr&$testdir) {
$is_dir{$item} = 1;
@@ -12484,7 +12868,7 @@ END
sub process_extracted_files {
my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
my $numitems = $env{'form.archive_count'};
- return unless ($numitems);
+ return if ((!$numitems) || ($numitems =~ /\D/));
my @ids=&Apache::lonnet::current_machine_ids();
my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
%folders,%containers,%mapinner,%prompttofetch);
@@ -12497,7 +12881,7 @@ sub process_extracted_files {
} else {
$prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
$pathtocheck = "$dir_root/$docudom/$docuname/$destination";
- $dir = "$dir_root/$docudom/$docuname";
+ $dir = "$dir_root/$docudom/$docuname";
}
my $currdir = "$dir_root/$destination";
(my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs|supplemental)/(\w+)/});
@@ -12586,7 +12970,9 @@ sub process_extracted_files {
'.'.$containers{$outer},1,1);
$newseqid{$i} = $newidx;
unless ($errtext) {
- $result .= ''.&mt('Folder: [_1] added to course',$docstitle).' '."\n";
+ $result .= ''.&mt('Folder: [_1] added to course',
+ &HTML::Entities::encode($docstitle,'<>&"'))..
+ ' '."\n";
}
}
} else {
@@ -12595,38 +12981,47 @@ sub process_extracted_files {
my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
$docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
$title;
- if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
- mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
- }
- if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
- mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
- }
- if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
- system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
- $newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
- unless ($ishome) {
- my $fetch = "$newdest{$i}/$title";
- $fetch =~ s/^\Q$prefix$dir\E//;
- $prompttofetch{$fetch} = 1;
+ if (($outer !~ /\D/) && ($mapinner{$outer} !~ /\D/) && ($newidx !~ /\D/)) {
+ if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
+ mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
}
- }
- $LONCAPA::map::resources[$newidx]=
- $docstitle.':'.$url.':false:normal:res';
- push(@LONCAPA::map::order, $newidx);
- my ($outtext,$errtext)=
- &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
- $docuname.'/'.$folders{$outer}.
- '.'.$containers{$outer},1,1);
- unless ($errtext) {
- if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
- $result .= ''.&mt('File: [_1] added to course',$docstitle).' '."\n";
+ if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+ mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
}
+ if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
+ if (rename("$prefix$path","$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title")) {
+ $newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
+ unless ($ishome) {
+ my $fetch = "$newdest{$i}/$title";
+ $fetch =~ s/^\Q$prefix$dir\E//;
+ $prompttofetch{$fetch} = 1;
+ }
+ }
+ }
+ $LONCAPA::map::resources[$newidx]=
+ $docstitle.':'.$url.':false:normal:res';
+ push(@LONCAPA::map::order, $newidx);
+ my ($outtext,$errtext)=
+ &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
+ $docuname.'/'.$folders{$outer}.
+ '.'.$containers{$outer},1,1);
+ unless ($errtext) {
+ if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
+ $result .= ''.&mt('File: [_1] added to course',
+ &HTML::Entities::encode($docstitle,'<>&"')).
+ ' '."\n";
+ }
+ }
+ } else {
+ $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
+ &HTML::Entities::encode($path,'<>&"')).' ';
}
}
}
}
} else {
- $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).' ';
+ $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
+ &HTML::Entities::encode($path,'<>&"')).' ';
}
}
for (my $i=1; $i<=$numitems; $i++) {
@@ -12687,7 +13082,9 @@ sub process_extracted_files {
}
if ($fullpath ne '') {
if (-e "$prefix$path") {
- system("mv $prefix$path $fullpath/$title");
+ unless (rename("$prefix$path","$fullpath/$title")) {
+ $warning .= &mt('Failed to rename dependency').' ';
+ }
}
if (-e "$fullpath/$title") {
my $showpath;
@@ -12696,21 +13093,26 @@ sub process_extracted_files {
} else {
$showpath = "/$title";
}
- $result .= ''.&mt('[_1] included as a dependency',$showpath).' '."\n";
- }
- unless ($ishome) {
- my $fetch = "$fullpath/$title";
- $fetch =~ s/^\Q$prefix$dir\E//;
- $prompttofetch{$fetch} = 1;
+ $result .= ''.&mt('[_1] included as a dependency',
+ &HTML::Entities::encode($showpath,'<>&"')).
+ ' '."\n";
+ unless ($ishome) {
+ my $fetch = "$fullpath/$title";
+ $fetch =~ s/^\Q$prefix$dir\E//;
+ $prompttofetch{$fetch} = 1;
+ }
}
}
}
} elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
$warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
- $path,$env{'form.archive_content_'.$referrer{$i}}).' ';
+ &HTML::Entities::encode($path,'<>&"'),
+ &HTML::Entities::encode($env{'form.archive_content_'.$referrer{$i}},'<>&"')).
+ ' ';
}
} else {
- $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).' ';
+ $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',
+ &HTML::Entities::encode($path)).' ';
}
}
if (keys(%todelete)) {
@@ -12984,12 +13386,15 @@ sub upfile_store {
$env{'form.upfile'}=~s/\n+/\n/gs;
$env{'form.upfile'}=~s/\n+$//gs;
- my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
- '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
+ my $datatoken = &valid_datatoken($env{'user.name'}.'_'.$env{'user.domain'}.
+ '_enroll_'.$env{'request.course.id'}.'_'.
+ time.'_'.$$);
+ return if ($datatoken eq '');
+
{
my $datafile = $r->dir_config('lonDaemons').
'/tmp/'.$datatoken.'.tmp';
- if ( open(my $fh,">$datafile") ) {
+ if ( open(my $fh,'>',$datafile) ) {
print $fh $env{'form.upfile'};
close($fh);
}
@@ -12999,21 +13404,22 @@ sub upfile_store {
=pod
-=item * &load_tmp_file($r)
+=item * &load_tmp_file($r,$datatoken)
Load uploaded file from tmp, $r should be the HTTP Request object,
-needs $env{'form.datatoken'},
+$datatoken is the name to assign to the temporary file.
sets $env{'form.upfile'} to the contents of the file
=cut
sub load_tmp_file {
- my $r=shift;
+ my ($r,$datatoken) = @_;
+ return if ($datatoken eq '');
my @studentdata=();
{
my $studentfile = $r->dir_config('lonDaemons').
- '/tmp/'.$env{'form.datatoken'}.'.tmp';
- if ( open(my $fh,"<$studentfile") ) {
+ '/tmp/'.$datatoken.'.tmp';
+ if ( open(my $fh,'<',$studentfile) ) {
@studentdata=<$fh>;
close($fh);
}
@@ -13021,6 +13427,14 @@ sub load_tmp_file {
$env{'form.upfile'}=join('',@studentdata);
}
+sub valid_datatoken {
+ my ($datatoken) = @_;
+ if ($datatoken =~ /^$match_username\_$match_domain\_enroll_(|$match_domain\_$match_courseid)\_\d+_\d+$/) {
+ return $datatoken;
+ }
+ return;
+}
+
=pod
=item * &upfile_record_sep()
@@ -13461,7 +13875,7 @@ sub DrawBarGraph {
@Labels = @$labels;
} else {
for (my $i=0;$i<@{$Values[0]};$i++) {
- push (@Labels,$i+1);
+ push(@Labels,$i+1);
}
}
#
@@ -13909,6 +14323,12 @@ defdom (domain for which to retrieve con
origmail (scalar - email address of recipient from loncapa.conf,
i.e., predates configuration by DC via domainprefs.pm
+$requname username of requester (if mailing type is helpdeskmail)
+
+$requdom domain of requester (if mailing type is helpdeskmail)
+
+$reqemail e-mail address of requester (if mailing type is helpdeskmail)
+
Returns: comma separated list of addresses to which to send e-mail.
=back
@@ -13918,11 +14338,11 @@ Returns: comma separated list of address
############################################################
############################################################
sub build_recipient_list {
- my ($defmail,$mailing,$defdom,$origmail) = @_;
+ my ($defmail,$mailing,$defdom,$origmail,$requname,$requdom,$reqemail) = @_;
my @recipients;
- my $otheremails;
+ my ($otheremails,$lastresort,$allbcc,$addtext);
my %domconfig =
- &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
+ &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
if (ref($domconfig{'contacts'}) eq 'HASH') {
if (exists($domconfig{'contacts'}{$mailing})) {
if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
@@ -13934,14 +14354,183 @@ sub build_recipient_list {
push(@recipients,$addr);
}
}
- $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+ }
+ $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+ if ($mailing eq 'helpdeskmail') {
+ if ($domconfig{'contacts'}{$mailing}{'bcc'}) {
+ my @bccs = split(/,/,$domconfig{'contacts'}{$mailing}{'bcc'});
+ my @ok_bccs;
+ foreach my $bcc (@bccs) {
+ $bcc =~ s/^\s+//g;
+ $bcc =~ s/\s+$//g;
+ if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
+ if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
+ push(@ok_bccs,$bcc);
+ }
+ }
+ }
+ if (@ok_bccs > 0) {
+ $allbcc = join(', ',@ok_bccs);
+ }
+ }
+ $addtext = $domconfig{'contacts'}{$mailing}{'include'};
}
}
} elsif ($origmail ne '') {
- push(@recipients,$origmail);
+ $lastresort = $origmail;
+ }
+ if ($mailing eq 'helpdeskmail') {
+ if ((ref($domconfig{'contacts'}{'overrides'}) eq 'HASH') &&
+ (keys(%{$domconfig{'contacts'}{'overrides'}}))) {
+ my ($inststatus,$inststatus_checked);
+ if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '') &&
+ ($env{'user.domain'} ne 'public')) {
+ $inststatus_checked = 1;
+ $inststatus = $env{'environment.inststatus'};
+ }
+ unless ($inststatus_checked) {
+ if (($requname ne '') && ($requdom ne '')) {
+ if (($requname =~ /^$match_username$/) &&
+ ($requdom =~ /^$match_domain$/) &&
+ (&Apache::lonnet::domain($requdom))) {
+ my $requhome = &Apache::lonnet::homeserver($requname,
+ $requdom);
+ unless ($requhome eq 'no_host') {
+ my %userenv = &Apache::lonnet::userenvironment($requdom,$requname,'inststatus');
+ $inststatus = $userenv{'inststatus'};
+ $inststatus_checked = 1;
+ }
+ }
+ }
+ }
+ unless ($inststatus_checked) {
+ if ($reqemail =~ /^[^\@]+\@[^\@]+$/) {
+ my %srch = (srchby => 'email',
+ srchdomain => $defdom,
+ srchterm => $reqemail,
+ srchtype => 'exact');
+ my %srch_results = &Apache::lonnet::usersearch(\%srch);
+ foreach my $uname (keys(%srch_results)) {
+ if (ref($srch_results{$uname}{'inststatus'}) eq 'ARRAY') {
+ $inststatus = join(',',@{$srch_results{$uname}{'inststatus'}});
+ $inststatus_checked = 1;
+ last;
+ }
+ }
+ unless ($inststatus_checked) {
+ my ($dirsrchres,%srch_results) = &Apache::lonnet::inst_directory_query(\%srch);
+ if ($dirsrchres eq 'ok') {
+ foreach my $uname (keys(%srch_results)) {
+ if (ref($srch_results{$uname}{'inststatus'}) eq 'ARRAY') {
+ $inststatus = join(',',@{$srch_results{$uname}{'inststatus'}});
+ $inststatus_checked = 1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ if ($inststatus ne '') {
+ foreach my $status (split(/\:/,$inststatus)) {
+ if (ref($domconfig{'contacts'}{'overrides'}{$status}) eq 'HASH') {
+ my @contacts = ('adminemail','supportemail');
+ foreach my $item (@contacts) {
+ if ($domconfig{'contacts'}{'overrides'}{$status}{$item}) {
+ my $addr = $domconfig{'contacts'}{'overrides'}{$status};
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ }
+ $otheremails = $domconfig{'contacts'}{'overrides'}{$status}{'others'};
+ if ($domconfig{'contacts'}{'overrides'}{$status}{'bcc'}) {
+ my @bccs = split(/,/,$domconfig{'contacts'}{'overrides'}{$status}{'bcc'});
+ my @ok_bccs;
+ foreach my $bcc (@bccs) {
+ $bcc =~ s/^\s+//g;
+ $bcc =~ s/\s+$//g;
+ if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
+ if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
+ push(@ok_bccs,$bcc);
+ }
+ }
+ }
+ if (@ok_bccs > 0) {
+ $allbcc = join(', ',@ok_bccs);
+ }
+ }
+ $addtext = $domconfig{'contacts'}{'overrides'}{$status}{'include'};
+ last;
+ }
+ }
+ }
+ }
}
} elsif ($origmail ne '') {
- push(@recipients,$origmail);
+ $lastresort = $origmail;
+ }
+ if (($mailing eq 'helpdeskmail') && ($lastresort ne '')) {
+ unless (grep(/^\Q$defdom\E$/,&Apache::lonnet::current_machine_domains())) {
+ my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
+ my $machinedom = $Apache::lonnet::perlvar{'lonDefDomain'};
+ my %what = (
+ perlvar => 1,
+ );
+ my $primary = &Apache::lonnet::domain($defdom,'primary');
+ if ($primary) {
+ my $gotaddr;
+ my ($result,$returnhash) =
+ &Apache::lonnet::get_remote_globals($primary,{ perlvar => 1 });
+ if (($result eq 'ok') && (ref($returnhash) eq 'HASH')) {
+ if ($returnhash->{'lonSupportEMail'} =~ /^[^\@]+\@[^\@]+$/) {
+ $lastresort = $returnhash->{'lonSupportEMail'};
+ $gotaddr = 1;
+ }
+ }
+ unless ($gotaddr) {
+ my $uintdom = &Apache::lonnet::internet_dom($primary);
+ my $intdom = &Apache::lonnet::internet_dom($lonhost);
+ unless ($uintdom eq $intdom) {
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['contacts'],$machinedom);
+ if (ref($domconfig{'contacts'}) eq 'HASH') {
+ if (ref($domconfig{'contacts'}{'otherdomsmail'}) eq 'HASH') {
+ my @contacts = ('adminemail','supportemail');
+ foreach my $item (@contacts) {
+ if ($domconfig{'contacts'}{'otherdomsmail'}{$item}) {
+ my $addr = $domconfig{'contacts'}{$item};
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ }
+ if ($domconfig{'contacts'}{'otherdomsmail'}{'others'}) {
+ $otheremails = $domconfig{'contacts'}{'otherdomsmail'}{'others'};
+ }
+ if ($domconfig{'contacts'}{'otherdomsmail'}{'bcc'}) {
+ my @bccs = split(/,/,$domconfig{'contacts'}{'otherdomsmail'}{'bcc'});
+ my @ok_bccs;
+ foreach my $bcc (@bccs) {
+ $bcc =~ s/^\s+//g;
+ $bcc =~ s/\s+$//g;
+ if ($bcc =~ m/^[^\@]+\@[^\@]+$/) {
+ if (!(grep(/^\Q$bcc\E$/,@ok_bccs))) {
+ push(@ok_bccs,$bcc);
+ }
+ }
+ }
+ if (@ok_bccs > 0) {
+ $allbcc = join(', ',@ok_bccs);
+ }
+ }
+ $addtext = $domconfig{'contacts'}{'otherdomsmail'}{'include'};
+ }
+ }
+ }
+ }
+ }
+ }
}
if (defined($defmail)) {
if ($defmail ne '') {
@@ -13961,8 +14550,21 @@ sub build_recipient_list {
}
}
}
- my $recipientlist = join(',',@recipients);
- return $recipientlist;
+ if ($mailing eq 'helpdeskmail') {
+ if ((!@recipients) && ($lastresort ne '')) {
+ push(@recipients,$lastresort);
+ }
+ } elsif ($lastresort ne '') {
+ if (!grep(/^\Q$lastresort\E$/,@recipients)) {
+ push(@recipients,$lastresort);
+ }
+ }
+ my $recipientlist = join(',',@recipients);
+ if (wantarray) {
+ return ($recipientlist,$allbcc,$addtext);
+ } else {
+ return $recipientlist;
+ }
}
############################################################
@@ -14053,6 +14655,8 @@ jsarray (reference to array of categorie
subcats (reference to hash of arrays containing all subcategories within each
category, -recursive)
+maxd (reference to hash used to hold max depth for all top-level categories).
+
Returns: nothing
Side effects: populates trails and allitems hash references.
@@ -14060,7 +14664,7 @@ Side effects: populates trails and allit
=cut
sub extract_categories {
- my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
+ my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats,$maxd) = @_;
if (ref($categories) eq 'HASH') {
&gather_categories($categories,$cats,$idx,$jsarray);
if (ref($cats->[0]) eq 'ARRAY') {
@@ -14086,12 +14690,15 @@ sub extract_categories {
if (ref($subcats) eq 'HASH') {
push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
}
- &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
+ &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats,$maxd);
}
} else {
if (ref($subcats) eq 'HASH') {
$subcats->{$item} = [];
}
+ if (ref($maxd) eq 'HASH') {
+ $maxd->{$name} = 1;
+ }
}
}
}
@@ -14129,7 +14736,7 @@ Side effects: populates trails and allit
=cut
sub recurse_categories {
- my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
+ my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats,$maxd) = @_;
my $shallower = $depth - 1;
if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
@@ -14156,16 +14763,21 @@ sub recurse_categories {
}
}
&recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
- $subcats);
+ $subcats,$maxd);
pop(@{$parents});
}
} else {
my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
- my $trailstr = join(' -> ',(@{$parents},$category));
+ my $trailstr = join(' » ',(@{$parents},$category));
if ($allitems->{$item} eq '') {
push(@{$trails},$trailstr);
$allitems->{$item} = scalar(@{$trails})-1;
}
+ if (ref($maxd) eq 'HASH') {
+ if ($depth > $maxd->{$parents->[0]}) {
+ $maxd->{$parents->[0]} = $depth;
+ }
+ }
}
return;
}
@@ -14186,16 +14798,19 @@ currcat - scalar with an & separated lis
type - scalar contains course type (Course or Community).
+disabled - scalar (optional) contains disabled="disabled" if input elements are
+ to be readonly (e.g., Domain Helpdesk role viewing course settings).
+
Returns: $output (markup to be displayed)
=cut
sub assign_categories_table {
- my ($cathash,$currcat,$type) = @_;
+ my ($cathash,$currcat,$type,$disabled) = @_;
my $output;
if (ref($cathash) eq 'HASH') {
- my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
- &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
+ my (@cats,@trails,%allitems,%idx,@jsarray,%maxd,@path,$maxdepth);
+ &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray,\%maxd);
$maxdepth = scalar(@cats);
if (@cats > 0) {
my $itemcount = 0;
@@ -14227,11 +14842,11 @@ sub assign_categories_table {
}
$table .= ''.
' '.$parent_title.' '.
+ $item.'"'.$checked.$disabled.' />'.$parent_title.''.
' ';
my $depth = 1;
push(@path,$parent);
- $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+ $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories,$disabled);
pop(@path);
$table .= ' ';
$itemcount ++;
@@ -14270,12 +14885,15 @@ path - Array containing all categories b
currcategories - reference to array of current categories assigned to the course
+disabled - scalar (optional) contains disabled="disabled" if input elements are
+ to be readonly (e.g., Domain Helpdesk role viewing course settings).
+
Returns: $output (markup to be displayed).
=cut
sub assign_category_rows {
- my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
+ my ($itemcount,$cats,$depth,$parent,$path,$currcategories,$disabled) = @_;
my ($text,$name,$item,$chgstr);
if (ref($cats) eq 'ARRAY') {
my $maxdepth = scalar(@{$cats});
@@ -14298,12 +14916,12 @@ sub assign_category_rows {
}
$text .= ''.
' '.$name.' '.
+ $item.'"'.$checked.$disabled.' />'.$name.''.
' '.
'';
if (ref($path) eq 'ARRAY') {
push(@{$path},$name);
- $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
+ $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories,$disabled);
pop(@{$path});
}
$text .= ' ';
@@ -14534,7 +15152,7 @@ sub check_clone {
return ($can_clone, $clonemsg, $cloneid, $clonehome);
}
}
- if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
+ if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
(&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
$can_clone = 1;
} else {
@@ -14631,7 +15249,8 @@ sub check_clone {
}
sub construct_course {
- my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_;
+ my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,
+ $cnum,$category,$coderef) = @_;
my $outcome;
my $linefeed = ' '."\n";
if ($context eq 'auto') {
@@ -14779,7 +15398,7 @@ sub construct_course {
my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
$cenv{'internal.sectionnums'} .= $item.',';
unless ($addcheck eq 'ok') {
- push @badclasses, $class;
+ push(@badclasses,$class);
}
}
$cenv{'internal.sectionnums'} =~ s/,$//;
@@ -14807,7 +15426,7 @@ sub construct_course {
my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
$cenv{'internal.crosslistings'} .= $item.',';
unless ($addcheck eq 'ok') {
- push @badclasses, $xl;
+ push(@badclasses,$xl);
}
}
$cenv{'internal.crosslistings'} =~ s/,$//;
@@ -14842,28 +15461,29 @@ sub construct_course {
}
if (@badclasses > 0) {
my %lt=&Apache::lonlocal::texthash(
- 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
- 'dnhr' => 'does not have rights to access enrollment in these classes',
- 'adby' => 'as determined by the policies of your institution on access to official classlists'
+ 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course.',
+ 'howi' => 'However, if automated course roster updates are enabled for this class, these particular sections/crosslistings are not guaranteed to contribute towards enrollment.',
+ 'itis' => 'It is possible that rights to access enrollment for these classes will be available through assignment of co-owners.',
);
- my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
- ' ('.$lt{'adby'}.')';
+ my $badclass_msg = $lt{'tclb'}.$linefeed.$lt{'howi'}.$linefeed.
+ &mt('That is because the user identified as the course owner ([_1]) does not have rights to access enrollment in these classes, as determined by the policies of your institution on access to official classlists',$cenv{'internal.courseowner'}).$linefeed.$lt{'itis'};
if ($context eq 'auto') {
$outcome .= $badclass_msg.$linefeed;
+ } else {
$outcome .= ''.$badclass_msg.$linefeed.'
'."\n";
- foreach my $item (@badclasses) {
- if ($context eq 'auto') {
- $outcome .= " - $item\n";
- } else {
- $outcome .= "$item \n";
- }
- }
+ }
+ foreach my $item (@badclasses) {
if ($context eq 'auto') {
- $outcome .= $linefeed;
+ $outcome .= " - $item\n";
} else {
- $outcome .= " \n";
+ $outcome .= "$item \n";
}
- }
+ }
+ if ($context eq 'auto') {
+ $outcome .= $linefeed;
+ } else {
+ $outcome .= " \n";
+ }
}
if ($args->{'no_end_date'}) {
$args->{'endaccess'} = 0;
@@ -14969,12 +15589,17 @@ sub construct_course {
# Open all assignments
#
if ($args->{'openall'}) {
+ my $opendate = time;
+ if ($args->{'openallfrom'} =~ /^\d+$/) {
+ $opendate = $args->{'openallfrom'};
+ }
my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
- my %storecontent = ($storeunder => time,
+ my %storecontent = ($storeunder => $opendate,
$storeunder.'.type' => 'date_start');
-
- $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
- ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
+ $outcome .= &mt('All assignments open starting [_1]',
+ &Apache::lonlocal::locallocaltime($opendate)).': '.
+ &Apache::lonnet::cput
+ ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
}
#
# Set first page
@@ -15173,6 +15798,24 @@ sub compare_arrays {
return @difference;
}
+sub lon_status_items {
+ my %defaults = (
+ E => 100,
+ W => 4,
+ N => 1,
+ U => 5,
+ threshold => 200,
+ sysmail => 2500,
+ );
+ my %names = (
+ E => 'Errors',
+ W => 'Warnings',
+ N => 'Notices',
+ U => 'Unsent',
+ );
+ return (\%defaults,\%names);
+}
+
# -------------------------------------------------------- Initialize user login
sub init_user_environment {
my ($r, $username, $domain, $authhost, $form, $args) = @_;
@@ -15208,7 +15851,23 @@ sub init_user_environment {
opendir(DIR,$lonids);
while ($filename=readdir(DIR)) {
if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
- unlink($lonids.'/'.$filename);
+ if (tie(my %oldenv,'GDBM_File',"$lonids/$filename",
+ &GDBM_READER(),0640)) {
+ my $linkedfile;
+ if (exists($oldenv{'user.linkedenv'})) {
+ $linkedfile = $oldenv{'user.linkedenv'};
+ }
+ untie(%oldenv);
+ if (unlink("$lonids/$filename")) {
+ if ($linkedfile =~ /^[a-f0-9]+_linked$/) {
+ if (-l "$lonids/$linkedfile.id") {
+ unlink("$lonids/$linkedfile.id");
+ }
+ }
+ }
+ } else {
+ unlink($lonids.'/'.$filename);
+ }
}
}
closedir(DIR);
@@ -15259,6 +15918,7 @@ sub init_user_environment {
# --------------------------------------------------------- Write first profile
{
+ my $ip = &Apache::lonnet::get_requestor_ip();
my %initial_env =
("user.name" => $username,
"user.domain" => $domain,
@@ -15277,7 +15937,7 @@ sub init_user_environment {
"request.course.sec" => '',
"request.role" => 'cm',
"request.role.adv" => $env{'user.adv'},
- "request.host" => $ENV{'REMOTE_ADDR'},);
+ "request.host" => $ip,);
if ($form->{'localpath'}) {
$initial_env{"browser.localpath"} = $form->{'localpath'};
@@ -15296,36 +15956,44 @@ sub init_user_environment {
$env{'user.noloadbalance'} = $lonhost;
}
- my %is_adv = ( is_adv => $env{'user.adv'} );
- my %domdef;
- unless ($domain eq 'public') {
- %domdef = &Apache::lonnet::get_domain_defaults($domain);
+ if ($form->{'noloadbalance'}) {
+ my @hosts = &Apache::lonnet::current_machine_ids();
+ my $hosthere = $form->{'noloadbalance'};
+ if (grep(/^\Q$hosthere\E$/,@hosts)) {
+ $initial_env{"user.noloadbalance"} = $hosthere;
+ $env{'user.noloadbalance'} = $hosthere;
+ }
}
- foreach my $tool ('aboutme','blog','webdav','portfolio') {
- $userenv{'availabletools.'.$tool} =
- &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
- undef,\%userenv,\%domdef,\%is_adv);
- }
+ unless ($domain eq 'public') {
+ my %is_adv = ( is_adv => $env{'user.adv'} );
+ my %domdef = &Apache::lonnet::get_domain_defaults($domain);
- foreach my $crstype ('official','unofficial','community','textbook') {
- $userenv{'canrequest.'.$crstype} =
- &Apache::lonnet::usertools_access($username,$domain,$crstype,
- 'reload','requestcourses',
- \%userenv,\%domdef,\%is_adv);
- }
+ foreach my $tool ('aboutme','blog','webdav','portfolio') {
+ $userenv{'availabletools.'.$tool} =
+ &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
+ undef,\%userenv,\%domdef,\%is_adv);
+ }
- $userenv{'canrequest.author'} =
- &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
- 'reload','requestauthor',
- \%userenv,\%domdef,\%is_adv);
- my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
- $domain,$username);
- my $reqstatus = $reqauthor{'author_status'};
- if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
- if (ref($reqauthor{'author'}) eq 'HASH') {
- $userenv{'requestauthorqueued'} = $reqstatus.':'.
- $reqauthor{'author'}{'timestamp'};
+ foreach my $crstype ('official','unofficial','community','textbook') {
+ $userenv{'canrequest.'.$crstype} =
+ &Apache::lonnet::usertools_access($username,$domain,$crstype,
+ 'reload','requestcourses',
+ \%userenv,\%domdef,\%is_adv);
+ }
+
+ $userenv{'canrequest.author'} =
+ &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
+ 'reload','requestauthor',
+ \%userenv,\%domdef,\%is_adv);
+ my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
+ $domain,$username);
+ my $reqstatus = $reqauthor{'author_status'};
+ if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
+ if (ref($reqauthor{'author'}) eq 'HASH') {
+ $userenv{'requestauthorqueued'} = $reqstatus.':'.
+ $reqauthor{'author'}{'timestamp'};
+ }
}
}
@@ -15933,7 +16601,7 @@ sub search_courses {
if (ref($courses{$cid}) eq 'HASH') {
if (ref($courses{$cid}{roles}) eq 'ARRAY') {
if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) {
- push (@{$courses{$cid}{roles}},$courserole);
+ push(@{$courses{$cid}{roles}},$courserole);
}
} else {
$courses{$cid}{roles} = [$courserole];
@@ -16263,8 +16931,8 @@ sub recurse_supplemental {
}
sub symb_to_docspath {
- my ($symb) = @_;
- return unless ($symb);
+ my ($symb,$navmapref) = @_;
+ return unless ($symb && ref($navmapref));
my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
if ($resurl=~/\.(sequence|page)$/) {
$mapurl=$resurl;
@@ -16272,9 +16940,11 @@ sub symb_to_docspath {
$mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
}
my $mapresobj;
- my $navmap = Apache::lonnavmaps::navmap->new();
- if (ref($navmap)) {
- $mapresobj = $navmap->getResourceByUrl($mapurl);
+ unless (ref($$navmapref)) {
+ $$navmapref = Apache::lonnavmaps::navmap->new();
+ }
+ if (ref($$navmapref)) {
+ $mapresobj = $$navmapref->getResourceByUrl($mapurl);
}
$mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
my $type=$2;
@@ -16284,7 +16954,7 @@ sub symb_to_docspath {
if ($pcslist ne '') {
foreach my $pc (split(/,/,$pcslist)) {
next if ($pc <= 1);
- my $res = $navmap->getByMapPc($pc);
+ my $res = $$navmapref->getByMapPc($pc);
if (ref($res)) {
my $thisurl = $res->src();
$thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
@@ -16331,10 +17001,10 @@ sub symb_to_docspath {
}
sub captcha_display {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$defdom) = @_;
my ($output,$error);
my ($captcha,$pubkey,$privkey,$version) =
- &get_captcha_config($context,$lonhost);
+ &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {
$output = &create_captcha();
unless ($output) {
@@ -16350,9 +17020,9 @@ sub captcha_display {
}
sub captcha_response {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$defdom) = @_;
my ($captcha_chk,$captcha_error);
- my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost);
+ my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom);
if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {
@@ -16364,7 +17034,7 @@ sub captcha_response {
}
sub get_captcha_config {
- my ($context,$lonhost) = @_;
+ my ($context,$lonhost,$dom_in_effect) = @_;
my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
@@ -16412,6 +17082,27 @@ sub get_captcha_config {
} elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
$captcha = 'original';
}
+ } elsif ($context eq 'passwords') {
+ if ($dom_in_effect) {
+ my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect);
+ if ($passwdconf{'captcha'} eq 'recaptcha') {
+ if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') {
+ $pubkey = $passwdconf{'recaptchakeys'}{'public'};
+ $privkey = $passwdconf{'recaptchakeys'}{'private'};
+ }
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ $version = $passwdconf{'recaptchaversion'};
+ if ($version ne '2') {
+ $version = 1;
+ }
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($passwdconf{'captcha'} ne 'notused') {
+ $captcha = 'original';
+ }
+ }
}
return ($captcha,$pubkey,$privkey,$version);
}
@@ -16492,13 +17183,14 @@ sub create_recaptcha {
sub check_recaptcha {
my ($privkey,$version) = @_;
my $captcha_chk;
+ my $ip = &Apache::lonnet::get_requestor_ip();
if ($version >= 2) {
my $ua = LWP::UserAgent->new;
$ua->timeout(10);
my %info = (
secret => $privkey,
response => $env{'form.g-recaptcha-response'},
- remoteip => $ENV{'REMOTE_ADDR'},
+ remoteip => $ip,
);
my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info);
if ($response->is_success) {
@@ -16514,7 +17206,7 @@ sub check_recaptcha {
my $captcha_result =
$captcha->check_answer(
$privkey,
- $ENV{'REMOTE_ADDR'},
+ $ip,
$env{'form.recaptcha_challenge_field'},
$env{'form.recaptcha_response_field'},
);
@@ -16631,6 +17323,159 @@ sub des_decrypt {
return $plaintext;
}
+sub is_nonframeable {
+ my ($url,$absolute,$hostname,$ip,$nocache) = @_;
+ my ($remprotocol,$remhost) = ($url =~ m{^(https?)\://(([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,})}i);
+ return if (($remprotocol eq '') || ($remhost eq ''));
+
+ $remprotocol = lc($remprotocol);
+ $remhost = lc($remhost);
+ my $remport = 80;
+ if ($remprotocol eq 'https') {
+ $remport = 443;
+ }
+ my ($result,$cached) = &Apache::lonnet::is_cached_new('noiframe',$remhost.':'.$remport);
+ if ($cached) {
+ unless ($nocache) {
+ if ($result) {
+ return 1;
+ } else {
+ return 0;
+ }
+ }
+ }
+ my $uselink;
+ my $request = new HTTP::Request('HEAD',$url);
+ my $ua = LWP::UserAgent->new;
+ $ua->timeout(5);
+ my $response=$ua->request($request);
+ if ($response->is_success()) {
+ my $secpolicy = lc($response->header('content-security-policy'));
+ my $xframeop = lc($response->header('x-frame-options'));
+ $secpolicy =~ s/^\s+|\s+$//g;
+ $xframeop =~ s/^\s+|\s+$//g;
+ if (($secpolicy ne '') || ($xframeop ne '')) {
+ my $remotehost = $remprotocol.'://'.$remhost;
+ my ($origin,$protocol,$port);
+ if ($ENV{'SERVER_PORT'} =~/^\d+$/) {
+ $port = $ENV{'SERVER_PORT'};
+ } else {
+ $port = 80;
+ }
+ if ($absolute eq '') {
+ $protocol = 'http:';
+ if ($port == 443) {
+ $protocol = 'https:';
+ }
+ $origin = $protocol.'//'.lc($hostname);
+ } else {
+ $origin = lc($absolute);
+ ($protocol,$hostname) = ($absolute =~ m{^(https?:)//([^/]+)$});
+ }
+ if (($secpolicy) && ($secpolicy =~ /\Qframe-ancestors\E([^;]*)(;|$)/)) {
+ my $framepolicy = $1;
+ $framepolicy =~ s/^\s+|\s+$//g;
+ my @policies = split(/\s+/,$framepolicy);
+ if (@policies) {
+ if (grep(/^\Q'none'\E$/,@policies)) {
+ $uselink = 1;
+ } else {
+ $uselink = 1;
+ if ((grep(/^\Q*\E$/,@policies)) || (grep(/^\Q$protocol\E$/,@policies)) ||
+ (($origin ne '') && (grep(/^\Q$origin\E$/,@policies))) ||
+ (($ip ne '') && (grep(/^\Q$ip\E$/,@policies)))) {
+ undef($uselink);
+ }
+ if ($uselink) {
+ if (grep(/^\Q'self'\E$/,@policies)) {
+ if (($origin ne '') && ($remotehost eq $origin)) {
+ undef($uselink);
+ }
+ }
+ }
+ if ($uselink) {
+ my @possok;
+ if ($ip ne '') {
+ push(@possok,$ip);
+ }
+ my $hoststr = '';
+ foreach my $part (reverse(split(/\./,$hostname))) {
+ if ($hoststr eq '') {
+ $hoststr = $part;
+ } else {
+ $hoststr = "$part.$hoststr";
+ }
+ if ($hoststr eq $hostname) {
+ push(@possok,$hostname);
+ } else {
+ push(@possok,"*.$hoststr");
+ }
+ }
+ if (@possok) {
+ foreach my $poss (@possok) {
+ last if (!$uselink);
+ foreach my $policy (@policies) {
+ if ($policy =~ m{^(\Q$protocol\E//|)\Q$poss\E(\Q:$port\E|)$}) {
+ undef($uselink);
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } elsif ($xframeop ne '') {
+ $uselink = 1;
+ my @policies = split(/\s*,\s*/,$xframeop);
+ if (@policies) {
+ unless (grep(/^deny$/,@policies)) {
+ if ($origin ne '') {
+ if (grep(/^sameorigin$/,@policies)) {
+ if ($remotehost eq $origin) {
+ undef($uselink);
+ }
+ }
+ if ($uselink) {
+ foreach my $policy (@policies) {
+ if ($policy =~ /^allow-from\s*(.+)$/) {
+ my $allowfrom = $1;
+ if (($allowfrom ne '') && ($allowfrom eq $origin)) {
+ undef($uselink);
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ if ($nocache) {
+ if ($cached) {
+ my $devalidate;
+ if ($uselink && !$result) {
+ $devalidate = 1;
+ } elsif (!$uselink && $result) {
+ $devalidate = 1;
+ }
+ if ($devalidate) {
+ &Apache::lonnet::devalidate_cache_new('noiframe',$remhost.':'.$remport);
+ }
+ }
+ } else {
+ if ($uselink) {
+ $result = 1;
+ } else {
+ $result = 0;
+ }
+ &Apache::lonnet::do_cache_new('noiframe',$remhost.':'.$remport,$result,3600);
+ }
+ return $uselink;
+}
+
1;
__END__;