//
ENDUPDATE
@@ -10219,11 +10459,15 @@ sub sorted_inst_types {
}
sub get_institutional_codes {
- my ($settings,$allcourses,$LC_code) = @_;
+ my ($cdom,$crs,$settings,$allcourses,$LC_code) = @_;
# Get complete list of course sections to update
my @currsections = ();
my @currxlists = ();
+ my (%unclutteredsec,%unclutteredlcsec);
my $coursecode = $$settings{'internal.coursecode'};
+ my $crskey = $crs.':'.$coursecode;
+ @{$unclutteredsec{$crskey}} = ();
+ @{$unclutteredlcsec{$crskey}} = ();
if ($$settings{'internal.sectionnums'} ne '') {
@currsections = split(/,/,$$settings{'internal.sectionnums'});
@@ -10234,8 +10478,8 @@ sub get_institutional_codes {
}
if (@currxlists > 0) {
- foreach (@currxlists) {
- if (m/^([^:]+):(\w*)$/) {
+ foreach my $xl (@currxlists) {
+ if ($xl =~ /^([^:]+):(\w*)$/) {
unless (grep/^$1$/,@{$allcourses}) {
push(@{$allcourses},$1);
$$LC_code{$1} = $2;
@@ -10243,15 +10487,28 @@ sub get_institutional_codes {
}
}
}
-
+
if (@currsections > 0) {
- foreach (@currsections) {
- if (m/^(\w+):(\w*)$/) {
- my $sec = $coursecode.$1;
+ foreach my $sec (@currsections) {
+ if ($sec =~ m/^(\w+):(\w*)$/) {
+ my $instsec = $1;
my $lc_sec = $2;
- unless (grep/^$sec$/,@{$allcourses}) {
+ unless (grep/^\Q$instsec\E$/,@{$unclutteredsec{$crskey}}) {
+ push(@{$unclutteredsec{$crskey}},$instsec);
+ push(@{$unclutteredlcsec{$crskey}},$lc_sec);
+ }
+ }
+ }
+ }
+
+ if (@{$unclutteredsec{$crskey}} > 0) {
+ my %formattedsec = &Apache::lonnet::auto_instsec_reformat($cdom,'clutter',\%unclutteredsec);
+ if ((ref($formattedsec{$crskey}) eq 'ARRAY') && (ref($unclutteredlcsec{$crskey}) eq 'ARRAY')) {
+ for (my $i=0; $i<@{$formattedsec{$crskey}}; $i++) {
+ my $sec = $coursecode.$formattedsec{$crskey}[$i];
+ unless (grep/^\Q$sec\E$/,@{$allcourses}) {
push(@{$allcourses},$sec);
- $$LC_code{$sec} = $lc_sec;
+ $$LC_code{$sec} = $unclutteredlcsec{$crskey}[$i];
}
}
}
@@ -11501,7 +11758,7 @@ sub modify_html_refs {
return;
}
}
- if (open(my $fh,"<$container")) {
+ if (open(my $fh,'<',$container)) {
$content = join('', <$fh>);
close($fh);
} else {
@@ -11566,7 +11823,7 @@ sub modify_html_refs {
}
}
} else {
- if (open(my $fh,">$container")) {
+ if (open(my $fh,'>',$container)) {
print $fh $content;
close($fh);
$output = ''.&mt('Updated [quant,_1,reference] in [_2].',
@@ -12083,6 +12340,18 @@ sub decompress_uploaded_file {
sub process_decompression {
my ($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.').
@@ -12117,30 +12386,44 @@ 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);
@@ -12158,8 +12441,7 @@ 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;
@@ -12644,7 +12926,7 @@ 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);
@@ -12657,7 +12939,7 @@ 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+)/});
@@ -12746,7 +13028,9 @@ 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 {
@@ -12755,38 +13039,47 @@ 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++) {
@@ -12847,7 +13140,9 @@ 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;
@@ -12856,21 +13151,26 @@ 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)) {
@@ -13144,12 +13444,15 @@ 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);
}
@@ -13159,21 +13462,22 @@ 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);
}
@@ -13181,6 +13485,14 @@ 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()
@@ -14069,6 +14381,12 @@ 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
@@ -14078,7 +14396,7 @@ 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,$lastresort,$allbcc,$addtext);
my %domconfig =
@@ -14119,11 +14437,98 @@ sub build_recipient_list {
} elsif ($origmail ne '') {
$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 '') {
$lastresort = $origmail;
}
-
- if (($mailing eq 'helpdesk') && ($lastresort ne '')) {
+ 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'};
@@ -14203,7 +14608,7 @@ sub build_recipient_list {
}
}
}
- if ($mailing eq 'helpdesk') {
+ if ($mailing eq 'helpdeskmail') {
if ((!@recipients) && ($lastresort ne '')) {
push(@recipients,$lastresort);
}
@@ -14308,6 +14713,8 @@ 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.
@@ -14315,7 +14722,7 @@ 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') {
@@ -14341,12 +14748,15 @@ 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;
+ }
}
}
}
@@ -14384,7 +14794,7 @@ 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++) {
@@ -14411,16 +14821,21 @@ 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;
}
@@ -14452,8 +14867,8 @@ sub assign_categories_table {
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;
@@ -14775,7 +15190,8 @@ sub check_clone {
my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
- my $clonemsg;
+ my $clonetitle;
+ my @clonemsg;
my $can_clone = 0;
my $lctype = lc($args->{'crstype'});
if ($lctype ne 'community') {
@@ -14783,16 +15199,38 @@ sub check_clone {
}
if ($clonehome eq 'no_host') {
if ($args->{'crstype'} eq 'Community') {
- $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+ push(@clonemsg,({
+ mt => 'No new community created.',
+ args => [],
+ },
+ {
+ mt => 'A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',
+ args => [$args->{'clonedomain'}.':'.$args->{'clonedomain'}],
+ }));
} else {
- $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
- }
+ push(@clonemsg,({
+ mt => 'No new course created.',
+ args => [],
+ },
+ {
+ mt => 'A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',
+ args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
+ }));
+ }
} else {
my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
+ $clonetitle = $clonedesc{'description'};
if ($args->{'crstype'} eq 'Community') {
if ($clonedesc{'type'} ne 'Community') {
- $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
- return ($can_clone, $clonemsg, $cloneid, $clonehome);
+ push(@clonemsg,({
+ mt => 'No new community created.',
+ args => [],
+ },
+ {
+ mt => 'A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',
+ args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}],
+ }));
+ return ($can_clone,\@clonemsg,$cloneid,$clonehome);
}
}
if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
@@ -14881,20 +15319,34 @@ sub check_clone {
}
unless ($can_clone) {
if ($args->{'crstype'} eq 'Community') {
- $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+ push(@clonemsg,({
+ mt => 'No new community created.',
+ args => [],
+ },
+ {
+ mt => 'The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',
+ args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
+ }));
} else {
- $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
- }
+ push(@clonemsg,({
+ mt => 'No new course created.',
+ args => [],
+ },
+ {
+ mt => 'The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',
+ args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}],
+ }));
+ }
}
}
}
- return ($can_clone, $clonemsg, $cloneid, $clonehome);
+ return ($can_clone,\@clonemsg,$cloneid,$clonehome,$clonetitle);
}
sub construct_course {
my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,
- $cnum,$category,$coderef) = @_;
- my $outcome;
+ $cnum,$category,$coderef,$callercontext,$user_lh) = @_;
+ my ($outcome,$msgref,$clonemsgref);
my $linefeed = '
'."\n";
if ($context eq 'auto') {
$linefeed = "\n";
@@ -14903,18 +15355,11 @@ sub construct_course {
#
# Are we cloning?
#
- my ($can_clone, $clonemsg, $cloneid, $clonehome);
+ my ($can_clone,$cloneid,$clonehome,$clonetitle);
if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
- ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
- if ($context ne 'auto') {
- if ($clonemsg ne '') {
- $clonemsg = ''.$clonemsg.'';
- }
- }
- $outcome .= $clonemsg.$linefeed;
-
+ ($can_clone,$clonemsgref,$cloneid,$clonehome,$clonetitle) = &check_clone($args,$linefeed);
if (!$can_clone) {
- return (0,$outcome);
+ return (0,$outcome,$clonemsgref);
}
}
@@ -14932,15 +15377,20 @@ sub construct_course {
$args->{'ccuname'}.':'.
$args->{'ccdomain'},
$args->{'crstype'},
- $cnum,$context,$category);
+ $cnum,$context,$category,
+ $callercontext);
# Note: The testing routines depend on this being output; see
# Utils::Course. This needs to at least be output as a comment
# if anyone ever decides to not show this, and Utils::Course::new
# will need to be suitably modified.
- $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+ if (($callercontext eq 'auto') && ($user_lh ne '')) {
+ $outcome .= &mt_user($user_lh,'New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+ } else {
+ $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+ }
if ($$courseid =~ /^error:/) {
- return (0,$outcome);
+ return (0,$outcome,$clonemsgref);
}
#
@@ -14949,23 +15399,37 @@ sub construct_course {
($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
if ($crsuhome eq 'no_host') {
- $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
- return (0,$outcome);
+ if (($callercontext eq 'auto') && ($user_lh ne '')) {
+ $outcome .= &mt_user($user_lh,
+ 'Course creation failed, unrecognized course home server.');
+ } else {
+ $outcome .= &mt('Course creation failed, unrecognized course home server.');
+ }
+ $outcome .= $linefeed;
+ return (0,$outcome,$clonemsgref);
}
$outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
#
# Do the cloning
#
+ my @clonemsg;
if ($can_clone && $cloneid) {
- $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
- if ($context ne 'auto') {
- $clonemsg = ''.$clonemsg.'';
- }
- $outcome .= $clonemsg.$linefeed;
+ push(@clonemsg,
+ {
+ mt => 'Created [_1] by cloning from [_2]',
+ args => [$crstype,$clonetitle],
+ });
my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
# Copy all files
- &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
+ my @info =
+ &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},
+ $args->{'dateshift'},$args->{'crscode'},
+ $args->{'ccuname'}.':'.$args->{'ccdomain'},
+ $args->{'tinyurls'});
+ if (@info) {
+ push(@clonemsg,@info);
+ }
# Restore URL
$cenv{'url'}=$oldcenv{'url'};
# Restore title
@@ -15232,12 +15696,17 @@ 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
@@ -15267,7 +15736,7 @@ sub construct_course {
$outcome .= ($fatal?$errtext:'write ok').$linefeed;
}
- return (1,$outcome);
+ return (1,$outcome,\@clonemsg);
}
sub make_unique_code {
@@ -15436,6 +15905,24 @@ 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, $args) = @_;
@@ -15471,7 +15958,23 @@ sub init_user_environment {
opendir(DIR,$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);
@@ -15522,6 +16025,7 @@ sub init_user_environment {
# --------------------------------------------------------- Write first profile
{
+ my $ip = &Apache::lonnet::get_requestor_ip();
my %initial_env =
("user.name" => $username,
"user.domain" => $domain,
@@ -15540,7 +16044,7 @@ 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'};
@@ -16400,8 +16904,12 @@ sub needs_coursereinit {
$interval = 600;
}
if (($now-$env{'request.course.timechecked'})>$interval) {
- my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
&Apache::lonnet::appenv({'request.course.timechecked'=>$now});
+ my $blocked = &blocking_status('reinit',$cnum,$cdom,undef,1);
+ if ($blocked) {
+ return ();
+ }
+ my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
if ($lastchange > $env{'request.course.tied'}) {
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
@@ -16604,10 +17112,10 @@ 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) {
@@ -16623,9 +17131,9 @@ 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') {
@@ -16637,7 +17145,7 @@ 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);
@@ -16685,6 +17193,27 @@ 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,$version);
}
@@ -16765,13 +17294,14 @@ sub create_recaptcha {
sub check_recaptcha {
my ($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) {
@@ -16787,7 +17317,7 @@ sub check_recaptcha {
my $captcha_result =
$captcha->check_answer(
$privkey,
- $ENV{'REMOTE_ADDR'},
+ $ip,
$env{'form.recaptcha_challenge_field'},
$env{'form.recaptcha_response_field'},
);
@@ -16836,9 +17366,25 @@ sub cleanup_html {
# Checks for critical messages and returns a redirect url if one exists.
# $interval indicates how often to check for messages.
+# $context is the calling context -- roles, grades, contents, menu or flip.
sub critical_redirect {
- my ($interval) = @_;
+ my ($interval,$context) = @_;
if ((time-$env{'user.criticalcheck.time'})>$interval) {
+ if (($env{'request.course.id'}) && (($context eq 'flip') || ($context eq 'contents'))) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my $blocked = &blocking_status('alert',$cnum,$cdom,undef,1);
+ if ($blocked) {
+ my $checkrole = "cm./$cdom/$cnum";
+ if ($env{'request.course.sec'} ne '') {
+ $checkrole .= "/$env{'request.course.sec'}";
+ }
+ unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
+ ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
+ return;
+ }
+ }
+ }
my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},
$env{'user.name'});
&Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
@@ -16904,6 +17450,299 @@ sub des_decrypt {
return $plaintext;
}
+sub get_requested_shorturls {
+ my ($cdom,$cnum,$navmap) = @_;
+ return unless (ref($navmap));
+ my ($numnew,$errors);
+ my @toshorten = &Apache::loncommon::get_env_multiple('form.addtiny');
+ if (@toshorten) {
+ my (%maps,%resources,%titles);
+ &Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles,
+ 'shorturls',$cdom,$cnum);
+ if (keys(%resources)) {
+ my %tocreate;
+ foreach my $item (sort {$a <=> $b} (@toshorten)) {
+ my $symb = $resources{$item};
+ if ($symb) {
+ $tocreate{$cnum.'&'.$symb} = 1;
+ }
+ }
+ if (keys(%tocreate)) {
+ ($numnew,$errors) = &make_short_symbs($cdom,$cnum,
+ \%tocreate);
+ }
+ }
+ }
+ return ($numnew,$errors);
+}
+
+sub make_short_symbs {
+ my ($cdom,$cnum,$tocreateref,$lockuser) = @_;
+ my ($numnew,@errors);
+ if (ref($tocreateref) eq 'HASH') {
+ my %tocreate = %{$tocreateref};
+ if (keys(%tocreate)) {
+ my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum);
+ my $su = Short::URL->new(no_vowels => 1);
+ my $init = '';
+ my (%newunique,%addcourse,%courseonly,%failed);
+ # get lock on tiny db
+ my $now = time;
+ if ($lockuser eq '') {
+ $lockuser = $env{'user.name'}.':'.$env{'user.domain'};
+ }
+ my $lockhash = {
+ "lock\0$now" => $lockuser,
+ };
+ my $tries = 0;
+ my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);
+ my ($code,$error);
+ while (($gotlock ne 'ok') && ($tries<3)) {
+ $tries ++;
+ sleep 1;
+ $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom);
+ }
+ if ($gotlock eq 'ok') {
+ $init = &shorten_symbs($cdom,$init,$su,\%coursetiny,\%tocreate,\%newunique,
+ \%addcourse,\%courseonly,\%failed);
+ if (keys(%failed)) {
+ my $numfailed = scalar(keys(%failed));
+ push(@errors,&mt('error: could not obtain unique six character URL for [quant,_1,resource]',$numfailed));
+ }
+ if (keys(%newunique)) {
+ my $putres = &Apache::lonnet::newput_dom('tiny',\%newunique,$cdom);
+ if ($putres eq 'ok') {
+ $numnew = scalar(keys(%newunique));
+ my $newputres = &Apache::lonnet::newput('tiny',\%addcourse,$cdom,$cnum);
+ unless ($newputres eq 'ok') {
+ push(@errors,&mt('error: could not store course look-up of short URLs'));
+ }
+ } else {
+ push(@errors,&mt('error: could not store unique six character URLs'));
+ }
+ }
+ }
+ }
+ }
+ return ($numnew,\@errors);
+}
+
+sub shorten_symbs {
+ my ($cdom,$init,$su,$coursetiny,$tocreate,$newunique,$addcourse,$courseonly,$failed) = @_;
+ return unless ((ref($su)) && (ref($coursetiny) eq 'HASH') && (ref($tocreate) eq 'HASH') &&
+ (ref($newunique) eq 'HASH') && (ref($addcourse) eq 'HASH') &&
+ (ref($courseonly) eq 'HASH') && (ref($failed) eq 'HASH'));
+ my (%possibles,%collisions);
+ foreach my $key (keys(%{$tocreate})) {
+ my $num = String::CRC32::crc32($key);
+ my $tiny = $su->encode($num,$init);
+ if ($tiny) {
+ $possibles{$tiny} = $key;
+ }
+ }
+ if (!$init) {
+ $init = 1;
+ } else {
+ $init ++;
+ }
+ if (keys(%possibles)) {
+ my @posstiny = keys(%possibles);
+ my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
+ my %currtiny = &Apache::lonnet::get('tiny',\@posstiny,$cdom,$configuname);
+ if (keys(%currtiny)) {
+ foreach my $key (keys(%currtiny)) {
+ next if ($currtiny{$key} eq '');
+ if ($currtiny{$key} eq $possibles{$key}) {
+ my ($tcnum,$tsymb) = split(/\&/,$currtiny{$key});
+ unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) {
+ $courseonly->{$tsymb} = $key;
+ }
+ } else {
+ $collisions{$possibles{$key}} = 1;
+ }
+ delete($possibles{$key});
+ }
+ }
+ foreach my $key (keys(%possibles)) {
+ $newunique->{$key} = $possibles{$key};
+ my ($tcnum,$tsymb) = split(/\&/,$possibles{$key});
+ unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) {
+ $addcourse->{$tsymb} = $key;
+ }
+ }
+ }
+ if (keys(%collisions)) {
+ if ($init <5) {
+ if (!$init) {
+ $init = 1;
+ } else {
+ $init ++;
+ }
+ $init = &shorten_symbs($cdom,$init,$su,$coursetiny,\%collisions,
+ $newunique,$addcourse,$courseonly,$failed);
+ } else {
+ foreach my $key (keys(%collisions)) {
+ $failed->{$key} = 1;
+ $failed->{$key} = 1;
+ }
+ }
+ }
+ return $init;
+}
+
+sub is_nonframeable {
+ my ($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__;