{$a}) && ref($slots->{$b})) {
- return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
+ return $slots->{$a}{$sortkey} <=> $slots->{$b}{$sortkey}
}
if (ref($slots->{$a})) { return -1;}
if (ref($slots->{$b})) { return 1;}
@@ -8151,9 +9159,136 @@ sub sorted_slots {
return @sorted;
}
+=pod
+
+=item * get_future_slots()
+
+Inputs:
+
+=over 4
+
+cnum - course number
+
+cdom - course domain
+
+now - current UNIX time
+
+symb - optional symb
+
+=back
+
+Returns:
+
+=over 4
+
+sorted_reservable - ref to array of student_schedulable slots currently
+ reservable, ordered by end date of reservation period.
+
+reservable_now - ref to hash of student_schedulable slots currently
+ reservable.
+
+ Keys in inner hash are:
+ (a) symb: either blank or symb to which slot use is restricted.
+ (b) endreserve: end date of reservation period.
+
+sorted_future - ref to array of student_schedulable slots reservable in
+ the future, ordered by start date of reservation period.
+
+future_reservable - ref to hash of student_schedulable slots reservable
+ in the future.
+
+ Keys in inner hash are:
+ (a) symb: either blank or symb to which slot use is restricted.
+ (b) startreserve: start date of reservation period.
+
+=back
+
+=cut
+
+sub get_future_slots {
+ my ($cnum,$cdom,$now,$symb) = @_;
+ my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);
+ my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
+ foreach my $slot (keys(%slots)) {
+ next unless($slots{$slot}->{'type'} eq 'schedulable_student');
+ if ($symb) {
+ next if (($slots{$slot}->{'symb'} ne '') &&
+ ($slots{$slot}->{'symb'} ne $symb));
+ }
+ if (($slots{$slot}->{'starttime'} > $now) &&
+ ($slots{$slot}->{'endtime'} > $now)) {
+ if (($slots{$slot}->{'allowedsections'}) || ($slots{$slot}->{'allowedusers'})) {
+ my $userallowed = 0;
+ if ($slots{$slot}->{'allowedsections'}) {
+ my @allowed_sec = split(',',$slots{$slot}->{'allowedsections'});
+ if (!defined($env{'request.role.sec'})
+ && grep(/^No section assigned$/,@allowed_sec)) {
+ $userallowed=1;
+ } else {
+ if (grep(/^\Q$env{'request.role.sec'}\E$/,@allowed_sec)) {
+ $userallowed=1;
+ }
+ }
+ unless ($userallowed) {
+ if (defined($env{'request.course.groups'})) {
+ my @groups = split(/:/,$env{'request.course.groups'});
+ foreach my $group (@groups) {
+ if (grep(/^\Q$group\E$/,@allowed_sec)) {
+ $userallowed=1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ if ($slots{$slot}->{'allowedusers'}) {
+ my @allowed_users = split(',',$slots{$slot}->{'allowedusers'});
+ my $user = $env{'user.name'}.':'.$env{'user.domain'};
+ if (grep(/^\Q$user\E$/,@allowed_users)) {
+ $userallowed = 1;
+ }
+ }
+ next unless($userallowed);
+ }
+ my $startreserve = $slots{$slot}->{'startreserve'};
+ my $endreserve = $slots{$slot}->{'endreserve'};
+ my $symb = $slots{$slot}->{'symb'};
+ if (($startreserve < $now) &&
+ (!$endreserve || $endreserve > $now)) {
+ my $lastres = $endreserve;
+ if (!$lastres) {
+ $lastres = $slots{$slot}->{'starttime'};
+ }
+ $reservable_now{$slot} = {
+ symb => $symb,
+ endreserve => $lastres
+ };
+ } elsif (($startreserve > $now) &&
+ (!$endreserve || $endreserve > $startreserve)) {
+ $future_reservable{$slot} = {
+ symb => $symb,
+ startreserve => $startreserve
+ };
+ }
+ }
+ }
+ my @unsorted_reservable = keys(%reservable_now);
+ if (@unsorted_reservable > 0) {
+ @sorted_reservable =
+ &sorted_slots(\@unsorted_reservable,\%reservable_now,'endreserve');
+ }
+ my @unsorted_future = keys(%future_reservable);
+ if (@unsorted_future > 0) {
+ @sorted_future =
+ &sorted_slots(\@unsorted_future,\%future_reservable,'startreserve');
+ }
+ return (\@sorted_reservable,\%reservable_now,\@sorted_future,\%future_reservable);
+}
=pod
+=back
+
=head1 HTTP Helpers
=over 4
@@ -8292,68 +9427,556 @@ sub get_env_multiple {
sub ask_for_embedded_content {
my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
- my $upload_output = '
- '."\n";
+ } elsif ($numpathchg) {
+ my %pathchange = ();
+ $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
+ if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ $output .= ''.&mt('or').'
';
+ }
+ }
+ return ($output,$counter,$numpathchg);
+}
- $upload_output.=''.&mt("Invalid characters").'';
+sub embedded_file_element {
+ my ($context,$num,$embed_file,$mapping,$allfiles,$codebase,$type) = @_;
+ return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
+ (ref($codebase) eq 'HASH'));
+ my $output;
+ if (($context eq 'upload_embedded') && ($type ne 'delete')) {
+ $output = ''."\n";
+ }
+ $output .= '';
+ unless (($context eq 'upload_embedded') &&
+ ($mapping->{$embed_file} eq $embed_file)) {
+ $output .='
+ ';
+ }
+ my $attrib;
+ if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
+ $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
+ }
+ $output .=
+ "\n\t\t".
+ '';
+ if (exists($codebase->{$mapping->{$embed_file}})) {
+ $output .=
+ "\n\t\t".
+ '';
+ }
+ return $output;
+}
+sub get_dependency_details {
+ my ($currfile,$currsubfile,$embed_file) = @_;
+ my ($size,$mtime,$showsize,$showmtime);
+ if ((ref($currfile) eq 'HASH') && (ref($currsubfile))) {
+ if ($embed_file =~ m{/}) {
+ my ($path,$fname) = split(/\//,$embed_file);
+ if (ref($currsubfile->{$path}{$fname}) eq 'ARRAY') {
+ ($size,$mtime) = @{$currsubfile->{$path}{$fname}};
+ }
} else {
- $upload_output .='
-
- ';
- my $attrib = join(':',@{$$allfiles{$embed_file}});
- $upload_output .=
- "\n\t\t".
- '';
- if (exists($$codebase{$embed_file})) {
- $upload_output .=
- "\n\t\t".
- '';
- }
- }
- $upload_output .= ''.&Apache::loncommon::end_data_table_row();
- $num++;
- }
- $upload_output .= &Apache::loncommon::end_data_table().'
-
-
- '.&mt('(only files for which a location has been provided will be uploaded)').'
- ';
- return $upload_output;
+ if (ref($currfile->{$embed_file}) eq 'ARRAY') {
+ ($size,$mtime) = @{$currfile->{$embed_file}};
+ }
+ }
+ $showsize = $size/1024.0;
+ $showsize = sprintf("%.1f",$showsize);
+ if ($mtime > 0) {
+ $showmtime = &Apache::lonlocal::locallocaltime($mtime);
+ }
+ }
+ return ($showsize,$showmtime);
+}
+
+sub ask_embedded_js {
+ return <<"END";
+
+
+END
}
sub upload_embedded {
my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
- $current_disk_usage) = @_;
- my $output;
+ $current_disk_usage,$hiddenstate,$actionurl) = @_;
+ my (%pathchange,$output,$modifyform,$footer,$returnflag);
for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
my $orig_uploaded_filename =
$env{'form.embedded_item_'.$i.'.filename'};
-
- $env{'form.embedded_orig_'.$i} =
- &unescape($env{'form.embedded_orig_'.$i});
+ foreach my $type ('orig','ref','attrib','codebase') {
+ if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
+ $env{'form.embedded_'.$type.'_'.$i} =
+ &unescape($env{'form.embedded_'.$type.'_'.$i});
+ }
+ }
my ($path,$fname) =
($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
# no path, whole string is fname
if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
-
- $path = $env{'form.currentpath'}.$path;
$fname = &Apache::lonnet::clean_filename($fname);
# See if there is anything left
next if ($fname eq '');
@@ -8365,12 +9988,12 @@ sub upload_embedded {
if ($group ne '') {
$port_path = "groups/$group/$port_path";
}
- ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
+ ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
+ $fname,$group,'embedded_item_'.$i,
$dir_root,$port_path,$disk_quota,
$current_disk_usage,$uname,$udom);
if ($state eq 'will_exceed_quota'
- || $state eq 'file_locked'
- || $state eq 'file_exists' ) {
+ || $state eq 'file_locked') {
$output .= $msg;
next;
}
@@ -8384,31 +10007,52 @@ sub upload_embedded {
# Check if extension is valid
if (($fname =~ /\.(\w+)$/) &&
(&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
- $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
+ $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).'
';
next;
} elsif (($fname =~ /\.(\w+)$/) &&
(!defined(&Apache::loncommon::fileembstyle($1)))) {
- $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
+ $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'
';
next;
} elsif ($fname=~/\.(\d+)\.(\w+)$/) {
- $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
+ $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'
';
next;
}
-
$env{'form.embedded_item_'.$i.'.filename'}=$fname;
if ($context eq 'portfolio') {
- my $result=
- &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
- $dirpath.$path);
+ my $result;
+ if ($state eq 'existingfile') {
+ $result=
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
+ $dirpath.$env{'form.currentpath'}.$path);
+ } else {
+ $result=
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+ $dirpath.
+ $env{'form.currentpath'}.$path);
+ if ($result !~ m|^/uploaded/|) {
+ $output .= ''
+ .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+ ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+ .'
';
+ next;
+ } else {
+ $output .= &mt('Uploaded [_1]',''.
+ $path.$fname.'').'
';
+ }
+ }
+ } elsif ($context eq 'coursedoc') {
+ my $result =
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
+ $dirpath.'/'.$path);
if ($result !~ m|^/uploaded/|) {
$output .= ''
- .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+ .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
- .'
';
- next;
+ .'
';
+ next;
} else {
- $output .= ''.&mt('Uploaded [_1]',''.
- $path.$fname.'').'
';
+ $output .= &mt('Uploaded [_1]',''.
+ $path.$fname.'').'
';
}
} else {
# Save the file
@@ -8416,12 +10060,12 @@ sub upload_embedded {
my $fullpath = $dir_root.$dirpath.'/'.$path;
my $dest = $fullpath.$fname;
my $url = $url_root.$dirpath.'/'.$path.$fname;
- my @parts=split(/\//,$fullpath);
+ my @parts=split(/\//,"$dirpath/$path");
my $count;
my $filepath = $dir_root;
- for ($count=4;$count<=$#parts;$count++) {
- $filepath .= "/$parts[$count]";
- if ((-e $filepath)!=1) {
+ foreach my $subdir (@parts) {
+ $filepath .= "/$subdir";
+ if (!-e $filepath) {
mkdir($filepath,0770);
}
}
@@ -8429,30 +10073,244 @@ sub upload_embedded {
if (!open($fh,'>'.$dest)) {
&Apache::lonnet::logthis('Failed to create '.$dest);
$output .= ''.
- &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+ &mt('An error occurred while trying to upload [_1] for embedded element [_2].',
+ $orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
'
';
} else {
if (!print $fh $env{'form.embedded_item_'.$i}) {
&Apache::lonnet::logthis('Failed to write to '.$dest);
$output .= ''.
- &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+ &mt('An error occurred while writing the file [_1] for embedded element [_2].',
+ $orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
'
';
} else {
- if ($context eq 'testbank') {
- $output .= &mt('Embedded file uploaded successfully:').
- ' '.
- $orig_uploaded_filename.'
';
- } else {
- $output .= ''.
- &mt('View embedded file: [_1]',''.
- $orig_uploaded_filename.'').'
';
+ $output .= &mt('Uploaded [_1]',''.
+ $url.'').'
';
+ unless ($context eq 'testbank') {
+ $footer .= &mt('View embedded file: [_1]',
+ ''.$fname.'').'
';
}
}
close($fh);
}
}
+ if ($env{'form.embedded_ref_'.$i}) {
+ $pathchange{$i} = 1;
+ }
+ }
+ if ($output) {
+ $output = ''.$output.'
';
+ }
+ $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
+ $returnflag = 'ok';
+ my $numpathchgs = scalar(keys(%pathchange));
+ if ($numpathchgs > 0) {
+ if ($context eq 'portfolio') {
+ $output .= ''.&mt('or').'
';
+ } elsif ($context eq 'testbank') {
+ $output .= ''.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).',
+ '','').'
';
+ $returnflag = 'modify_orightml';
+ }
+ }
+ return ($output.$footer,$returnflag,$numpathchgs);
+}
+
+sub modify_html_form {
+ my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
+ my $end = 0;
+ my $modifyform;
+ if ($context eq 'upload_embedded') {
+ return unless (ref($pathchange) eq 'HASH');
+ if ($env{'form.number_embedded_items'}) {
+ $end += $env{'form.number_embedded_items'};
+ }
+ if ($env{'form.number_pathchange_items'}) {
+ $end += $env{'form.number_pathchange_items'};
+ }
+ if ($end) {
+ for (my $i=0; $i<$end; $i++) {
+ if ($i < $env{'form.number_embedded_items'}) {
+ next unless($pathchange->{$i});
+ }
+ $modifyform .=
+ &start_data_table_row().
+ ' | '.
+ ''.$env{'form.embedded_ref_'.$i}.
+ ''.
+ ''.
+ ' | '.
+ ''.$env{'form.embedded_orig_'.$i}.
+ ' | '.
+ &end_data_table_row();
+ }
+ }
+ } else {
+ $modifyform = $pathchgtable;
+ if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+ $hiddenstate .= '';
+ } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ $hiddenstate .= '';
+ }
+ }
+ if ($modifyform) {
+ if ($actionurl eq '/adm/dependencies') {
+ $hiddenstate .= '';
+ }
+ return ''.&mt('Changes in content of HTML file required').'
'."\n".
+ ''.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'
'."\n".
+ '- '.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'
'."\n".
+ '- '.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'
'."\n".
+ '
'."\n".''.
+ &mt('LON-CAPA can make the required changes to your HTML file.').'
'."\n".
+ ''."\n";
+ }
+ return;
+}
+
+sub modify_html_refs {
+ my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
+ my $container;
+ if ($context eq 'portfolio') {
+ $container = $env{'form.container'};
+ } elsif ($context eq 'coursedoc') {
+ $container = $env{'form.primaryurl'};
+ } elsif ($context eq 'manage_dependencies') {
+ (undef,undef,$container) = &Apache::lonnet::decode_symb($env{'form.symb'});
+ $container = "/$container";
+ } else {
+ $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
+ }
+ my (%allfiles,%codebase,$output,$content);
+ my @changes = &get_env_multiple('form.namechange');
+ unless (@changes > 0) {
+ if (wantarray) {
+ return ('',0,0);
+ } else {
+ return;
+ }
+ }
+ if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
+ ($context eq 'manage_dependencies')) {
+ unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}) {
+ if (wantarray) {
+ return ('',0,0);
+ } else {
+ return;
+ }
+ }
+ $content = &Apache::lonnet::getfile($container);
+ if ($content eq '-1') {
+ if (wantarray) {
+ return ('',0,0);
+ } else {
+ return;
+ }
+ }
+ } else {
+ unless ($container =~ /^\Q$dir_root\E/) {
+ if (wantarray) {
+ return ('',0,0);
+ } else {
+ return;
+ }
+ }
+ if (open(my $fh,"<$container")) {
+ $content = join('', <$fh>);
+ close($fh);
+ } else {
+ if (wantarray) {
+ return ('',0,0);
+ } else {
+ return;
+ }
+ }
+ }
+ my ($count,$codebasecount) = (0,0);
+ my $mm = new File::MMagic;
+ my $mime_type = $mm->checktype_contents($content);
+ if ($mime_type eq 'text/html') {
+ my $parse_result =
+ &Apache::lonnet::extract_embedded_items($container,\%allfiles,
+ \%codebase,\$content);
+ if ($parse_result eq 'ok') {
+ foreach my $i (@changes) {
+ my $orig = &unescape($env{'form.embedded_orig_'.$i});
+ my $ref = &unescape($env{'form.embedded_ref_'.$i});
+ if ($allfiles{$ref}) {
+ my $newname = $orig;
+ my ($attrib_regexp,$codebase);
+ $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
+ if ($attrib_regexp =~ /:/) {
+ $attrib_regexp =~ s/\:/|/g;
+ }
+ if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
+ my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
+ $count += $numchg;
+ }
+ if ($env{'form.embedded_codebase_'.$i} ne '') {
+ $codebase = &unescape($env{'form.embedded_codebase_'.$i});
+ my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
+ $codebasecount ++;
+ }
+ }
+ }
+ if ($count || $codebasecount) {
+ my $saveresult;
+ if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
+ ($context eq 'manage_dependencies')) {
+ my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
+ if ($url eq $container) {
+ my ($fname) = ($container =~ m{/([^/]+)$});
+ $output = ''.&mt('Updated [quant,_1,reference] in [_2].',
+ $count,''.
+ $fname.'').'
';
+ } else {
+ $output = ''.
+ &mt('Error: update failed for: [_1].',
+ ''.
+ $container.'').'
';
+ }
+ } else {
+ if (open(my $fh,">$container")) {
+ print $fh $content;
+ close($fh);
+ $output = ''.&mt('Updated [quant,_1,reference] in [_2].',
+ $count,''.
+ $container.'').'
';
+ } else {
+ $output = ''.
+ &mt('Error: could not update [_1].',
+ ''.
+ $container.'').'
';
+ }
+ }
+ }
+ } else {
+ &logthis('Failed to parse '.$container.
+ ' to modify references: '.$parse_result);
+ }
+ }
+ if (wantarray) {
+ return ($output,$count,$codebasecount);
+ } else {
+ return $output;
}
- return $output;
}
sub check_for_existing {
@@ -8474,22 +10332,73 @@ sub check_for_existing {
sub check_for_upload {
my ($path,$fname,$group,$element,$portfolio_root,$port_path,
$disk_quota,$current_disk_usage,$uname,$udom) = @_;
- my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
+ my $filesize = length($env{'form.'.$element});
+ if (!$filesize) {
+ my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] bytes)',
+ ''.$fname.'',
+ $filesize).'
'.
+ &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'
'.
+ '';
+ return ('zero_bytes',$msg);
+ }
+ $filesize = $filesize/1000; #express in k (1024?)
my $getpropath = 1;
- my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
- $getpropath);
+ my ($dirlistref,$listerror) =
+ &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,$getpropath);
my $found_file = 0;
my $locked_file = 0;
- foreach my $line (@dir_list) {
- my ($file_name)=split(/\&/,$line,2);
- if ($file_name eq $fname){
- $file_name = $path.$file_name;
- if ($group ne '') {
- $file_name = $group.$file_name;
- }
- $found_file = 1;
- if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
- $locked_file = 1;
+ my @lockers;
+ my $navmap;
+ if ($env{'request.course.id'}) {
+ $navmap = Apache::lonnavmaps::navmap->new();
+ }
+ if (ref($dirlistref) eq 'ARRAY') {
+ foreach my $line (@{$dirlistref}) {
+ my ($file_name,$rest)=split(/\&/,$line,2);
+ if ($file_name eq $fname){
+ $file_name = $path.$file_name;
+ if ($group ne '') {
+ $file_name = $group.$file_name;
+ }
+ $found_file = 1;
+ if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
+ foreach my $lock (@lockers) {
+ if (ref($lock) eq 'ARRAY') {
+ my ($symb,$crsid) = @{$lock};
+ if ($crsid eq $env{'request.course.id'}) {
+ if (ref($navmap)) {
+ my $res = $navmap->getBySymb($symb);
+ foreach my $part (@{$res->parts()}) {
+ my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
+ unless (($slot_status == $res->RESERVED) ||
+ ($slot_status == $res->RESERVED_LOCATION)) {
+ $locked_file = 1;
+ }
+ }
+ } else {
+ $locked_file = 1;
+ }
+ } else {
+ $locked_file = 1;
+ }
+ }
+ }
+ } else {
+ my @info = split(/\&/,$rest);
+ my $currsize = $info[6]/1000;
+ if ($currsize < $filesize) {
+ my $extra = $filesize - $currsize;
+ if (($current_disk_usage + $extra) > $disk_quota) {
+ my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
+ ''.$fname.'',$filesize,$currsize).''.
+ '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+ $disk_quota,$current_disk_usage);
+ return ('will_exceed_quota',$msg);
+ }
+ }
+ }
}
}
}
@@ -8507,15 +10416,1328 @@ sub check_for_upload {
return ('file_locked',$msg);
} else {
my $msg = '';
- $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].',''.$fname.'',$port_path.$env{'form.currentpath'});
+ $msg .= &mt(' A file by that name: [_1] was found in [_2].',''.$fname.'',$port_path.$env{'form.currentpath'});
$msg .= '';
- $msg .= '
';
- $msg .= &mt('To upload, rename or delete existing [_1] in [_2].',''.$fname.'', $port_path.$env{'form.currentpath'});
- return ('file_exists',$msg);
+ return ('existingfile',$msg);
+ }
+ }
+}
+
+sub check_for_traversal {
+ my ($path,$url,$toplevel) = @_;
+ my @parts=split(/\//,$path);
+ my $cleanpath;
+ my $fullpath = $url;
+ for (my $i=0;$i<@parts;$i++) {
+ next if ($parts[$i] eq '.');
+ if ($parts[$i] eq '..') {
+ $fullpath =~ s{([^/]+/)$}{};
+ } else {
+ $fullpath .= $parts[$i].'/';
+ }
+ }
+ if ($fullpath =~ /^\Q$url\E(.*)$/) {
+ $cleanpath = $1;
+ } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
+ my $curr_toprel = $1;
+ my @parts = split(/\//,$curr_toprel);
+ my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
+ my @urlparts = split(/\//,$url_toprel);
+ my $doubledots;
+ my $startdiff = -1;
+ for (my $i=0; $i<@urlparts; $i++) {
+ if ($startdiff == -1) {
+ unless ($urlparts[$i] eq $parts[$i]) {
+ $startdiff = $i;
+ $doubledots .= '../';
+ }
+ } else {
+ $doubledots .= '../';
+ }
+ }
+ if ($startdiff > -1) {
+ $cleanpath = $doubledots;
+ for (my $i=$startdiff; $i<@parts; $i++) {
+ $cleanpath .= $parts[$i].'/';
+ }
+ }
+ }
+ $cleanpath =~ s{(/)$}{};
+ return $cleanpath;
+}
+
+sub is_archive_file {
+ my ($mimetype) = @_;
+ if (($mimetype eq 'application/octet-stream') ||
+ ($mimetype eq 'application/x-stuffit') ||
+ ($mimetype =~ m{^application/(x\-)?(compressed|tar|zip|tgz|gz|gtar|gzip|gunzip|bz|bz2|bzip2)})) {
+ return 1;
+ }
+ return;
+}
+
+sub decompress_form {
+ my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
+ my %lt = &Apache::lonlocal::texthash (
+ this => 'This file is an archive file.',
+ camt => 'This file is a Camtasia archive file.',
+ itsc => 'Its contents are as follows:',
+ youm => 'You may wish to extract its contents.',
+ extr => 'Extract contents',
+ auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
+ proa => 'Process automatically?',
+ yes => 'Yes',
+ no => 'No',
+ fold => 'Title for folder containing movie',
+ movi => 'Title for page containing embedded movie',
+ );
+ my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);
+ my ($is_camtasia,$topdir,%toplevel,@paths);
+ my $info = &list_archive_contents($fileloc,\@paths);
+ if (@paths) {
+ foreach my $path (@paths) {
+ $path =~ s{^/}{};
+ if ($path =~ m{^([^/]+)/$}) {
+ $topdir = $1;
+ }
+ if ($path =~ m{^([^/]+)/}) {
+ $toplevel{$1} = $path;
+ } else {
+ $toplevel{$path} = $path;
+ }
+ }
+ }
+ if ($mimetype =~ m{^application/(x\-)?(compressed|zip)}) {
+ my @camtasia = ("$topdir/","$topdir/index.html",
+ "$topdir/media/",
+ "$topdir/media/$topdir.mp4",
+ "$topdir/media/FirstFrame.png",
+ "$topdir/media/player.swf",
+ "$topdir/media/swfobject.js",
+ "$topdir/media/expressInstall.swf");
+ my @diffs = &compare_arrays(\@paths,\@camtasia);
+ if (@diffs == 0) {
+ $is_camtasia = 1;
+ }
+ }
+ my $output;
+ if ($is_camtasia) {
+ $output = <<"ENDCAM";
+
+$lt{'camt'}
+ENDCAM
+ } else {
+ $output = ''.$lt{'this'};
+ if ($info eq '') {
+ $output .= ' '.$lt{'youm'}.'
'."\n";
+ } else {
+ $output .= ' '.$lt{'itsc'}.''."\n".
+ '';
+ }
+ }
+ $output .= '
+$noextract
+END
+ return $output;
+}
+
+sub decompression_utility {
+ my ($program) = @_;
+ my @utilities = ('tar','gunzip','bunzip2','unzip');
+ my $location;
+ if (grep(/^\Q$program\E$/,@utilities)) {
+ foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
+ '/usr/sbin/') {
+ if (-x $dir.$program) {
+ $location = $dir.$program;
+ last;
+ }
+ }
+ }
+ return $location;
+}
+
+sub list_archive_contents {
+ my ($file,$pathsref) = @_;
+ my (@cmd,$output);
+ my $needsregexp;
+ if ($file =~ /\.zip$/) {
+ @cmd = (&decompression_utility('unzip'),"-l");
+ $needsregexp = 1;
+ } elsif (($file =~ m/\.tar\.gz$/) ||
+ ($file =~ /\.tgz$/)) {
+ @cmd = (&decompression_utility('tar'),"-ztf");
+ } elsif ($file =~ /\.tar\.bz2$/) {
+ @cmd = (&decompression_utility('tar'),"-jtf");
+ } elsif ($file =~ m|\.tar$|) {
+ @cmd = (&decompression_utility('tar'),"-tf");
+ }
+ if (@cmd) {
+ undef($!);
+ undef($@);
+ if (open(my $fh,"-|", @cmd, $file)) {
+ while (my $line = <$fh>) {
+ $output .= $line;
+ chomp($line);
+ my $item;
+ if ($needsregexp) {
+ ($item) = ($line =~ /^\s*\d+\s+[\d\-]+\s+[\d:]+\s*(.+)$/);
+ } else {
+ $item = $line;
+ }
+ if ($item ne '') {
+ unless (grep(/^\Q$item\E$/,@{$pathsref})) {
+ push(@{$pathsref},$item);
+ }
+ }
+ }
+ close($fh);
+ }
+ }
+ return $output;
+}
+
+sub decompress_uploaded_file {
+ my ($file,$dir) = @_;
+ &Apache::lonnet::appenv({'cgi.file' => $file});
+ &Apache::lonnet::appenv({'cgi.dir' => $dir});
+ my $result = &Apache::lonnet::ssi_body('/cgi-bin/decompress.pl');
+ my ($handle) = ($env{'user.environment'} =~m{/([^/]+)\.id$});
+ my $lonidsdir = $Apache::lonnet::perlvar{'lonIDsDir'};
+ &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle,1);
+ my $decompressed = $env{'cgi.decompressed'};
+ &Apache::lonnet::delenv('cgi.file');
+ &Apache::lonnet::delenv('cgi.dir');
+ &Apache::lonnet::delenv('cgi.decompressed');
+ return ($decompressed,$result);
+}
+
+sub process_decompression {
+ my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
+ my ($dir,$error,$warning,$output);
+ if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
+ $error = &mt('File name not a supported archive file type.').
+ '
'.&mt('File name should end with one of: [_1].',
+ '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
+ } else {
+ my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+ if ($docuhome eq 'no_host') {
+ $error = &mt('Could not determine home server for course.');
+ } else {
+ my @ids=&Apache::lonnet::current_machine_ids();
+ my $currdir = "$dir_root/$destination";
+ if (grep(/^\Q$docuhome\E$/,@ids)) {
+ $dir = &LONCAPA::propath($docudom,$docuname).
+ "$dir_root/$destination";
+ } else {
+ $dir = $Apache::lonnet::perlvar{'lonDocRoot'}.
+ "$dir_root/$docudom/$docuname/$destination";
+ unless (&Apache::lonnet::repcopy_userfile("$dir/$file") eq 'ok') {
+ $error = &mt('Archive file not found.');
+ }
+ }
+ my (@to_overwrite,@to_skip);
+ if ($env{'form.archive_overwrite_total'} > 0) {
+ my $total = $env{'form.archive_overwrite_total'};
+ for (my $i=0; $i<$total; $i++) {
+ if ($env{'form.archive_overwrite_'.$i} == 1) {
+ push(@to_overwrite,$env{'form.archive_overwrite_name_'.$i});
+ } elsif ($env{'form.archive_overwrite_'.$i} == 0) {
+ push(@to_skip,$env{'form.archive_overwrite_name_'.$i});
+ }
+ }
+ }
+ my $numskip = scalar(@to_skip);
+ if (($numskip > 0) &&
+ ($numskip == $env{'form.archive_itemcount'})) {
+ $warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');
+ } elsif ($dir eq '') {
+ $error = &mt('Directory containing archive file unavailable.');
+ } elsif (!$error) {
+ my ($decompressed,$display);
+ if ($numskip > 0) {
+ 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");
+ }
+ }
+ }
+ system("mv $dir/$tempdir/* $dir");
+ rmdir("$dir/$tempdir");
+ } else {
+ ($decompressed,$display) =
+ &decompress_uploaded_file($file,$dir);
+ }
+ if ($decompressed eq 'ok') {
+ $output = ''.
+ &mt('Files extracted successfully from archive.').
+ '
'."\n";
+ my ($warning,$result,@contents);
+ my ($newdirlistref,$newlisterror) =
+ &Apache::lonnet::dirlist($currdir,$docudom,
+ $docuname,1);
+ my (%is_dir,%changes,@newitems);
+ my $dirptr = 16384;
+ 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)))) {
+ push(@newitems,$item);
+ if ($dirptr&$testdir) {
+ $is_dir{$item} = 1;
+ }
+ $changes{$item} = 1;
+ }
+ }
+ }
+ if (keys(%changes) > 0) {
+ foreach my $item (sort(@newitems)) {
+ if ($changes{$item}) {
+ push(@contents,$item);
+ }
+ }
+ }
+ if (@contents > 0) {
+ my $wantform;
+ unless ($env{'form.autoextract_camtasia'}) {
+ $wantform = 1;
+ }
+ my (%children,%parent,%dirorder,%titles);
+ my ($count,$datatable) = &get_extracted($docudom,$docuname,
+ $currdir,\%is_dir,
+ \%children,\%parent,
+ \@contents,\%dirorder,
+ \%titles,$wantform);
+ if ($datatable ne '') {
+ $output .= &archive_options_form('decompressed',$datatable,
+ $count,$hiddenelem);
+ my $startcount = 6;
+ $output .= &archive_javascript($startcount,$count,
+ \%titles,\%children);
+ }
+ if ($env{'form.autoextract_camtasia'}) {
+ my %displayed;
+ my $total = 1;
+ $env{'form.archive_directory'} = [];
+ foreach my $i (sort { $a <=> $b } keys(%dirorder)) {
+ my $path = join('/',map { $titles{$_}; } @{$dirorder{$i}});
+ $path =~ s{/$}{};
+ my $item;
+ if ($path ne '') {
+ $item = "$path/$titles{$i}";
+ } else {
+ $item = $titles{$i};
+ }
+ $env{'form.archive_content_'.$i} = "$dir_root/$destination/$item";
+ if ($item eq $contents[0]) {
+ push(@{$env{'form.archive_directory'}},$i);
+ $env{'form.archive_'.$i} = 'display';
+ $env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
+ $displayed{'folder'} = $i;
+ } elsif ($item eq "$contents[0]/index.html") {
+ $env{'form.archive_'.$i} = 'display';
+ $env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
+ $displayed{'web'} = $i;
+ } else {
+ if ($item eq "$contents[0]/media") {
+ push(@{$env{'form.archive_directory'}},$i);
+ }
+ $env{'form.archive_'.$i} = 'dependency';
+ }
+ $total ++;
+ }
+ for (my $i=1; $i<$total; $i++) {
+ next if ($i == $displayed{'web'});
+ next if ($i == $displayed{'folder'});
+ $env{'form.archive_dependent_on_'.$i} = $displayed{'web'};
+ }
+ $env{'form.phase'} = 'decompress_cleanup';
+ $env{'form.archivedelete'} = 1;
+ $env{'form.archive_count'} = $total-1;
+ $output .=
+ &process_extracted_files('coursedocs',$docudom,
+ $docuname,$destination,
+ $dir_root,$hiddenelem);
+ }
+ } else {
+ $warning = &mt('No new items extracted from archive file.');
+ }
+ } else {
+ $output = $display;
+ $error = &mt('An error occurred during extraction from the archive file.');
+ }
+ }
}
}
+ if ($error) {
+ $output .= ''.&mt('Not extracted.').'
'.
+ $error.'
'."\n";
+ }
+ if ($warning) {
+ $output .= ''.$warning.'
'."\n";
+ }
+ return $output;
}
+sub get_extracted {
+ my ($docudom,$docuname,$currdir,$is_dir,$children,$parent,$contents,$dirorder,
+ $titles,$wantform) = @_;
+ my $count = 0;
+ my $depth = 0;
+ my $datatable;
+ my @hierarchy;
+ return unless ((ref($is_dir) eq 'HASH') && (ref($children) eq 'HASH') &&
+ (ref($parent) eq 'HASH') && (ref($contents) eq 'ARRAY') &&
+ (ref($dirorder) eq 'HASH') && (ref($titles) eq 'HASH'));
+ foreach my $item (@{$contents}) {
+ $count ++;
+ @{$dirorder->{$count}} = @hierarchy;
+ $titles->{$count} = $item;
+ &archive_hierarchy($depth,$count,$parent,$children);
+ if ($wantform) {
+ $datatable .= &archive_row($is_dir->{$item},$item,
+ $currdir,$depth,$count);
+ }
+ if ($is_dir->{$item}) {
+ $depth ++;
+ push(@hierarchy,$count);
+ $parent->{$depth} = $count;
+ $datatable .=
+ &recurse_extracted_archive("$currdir/$item",$docudom,$docuname,
+ \$depth,\$count,\@hierarchy,$dirorder,
+ $children,$parent,$titles,$wantform);
+ $depth --;
+ pop(@hierarchy);
+ }
+ }
+ return ($count,$datatable);
+}
+
+sub recurse_extracted_archive {
+ my ($currdir,$docudom,$docuname,$depth,$count,$hierarchy,$dirorder,
+ $children,$parent,$titles,$wantform) = @_;
+ my $result='';
+ unless ((ref($depth)) && (ref($count)) && (ref($hierarchy) eq 'ARRAY') &&
+ (ref($children) eq 'HASH') && (ref($parent) eq 'HASH') &&
+ (ref($dirorder) eq 'HASH')) {
+ return $result;
+ }
+ my $dirptr = 16384;
+ my ($newdirlistref,$newlisterror) =
+ &Apache::lonnet::dirlist($currdir,$docudom,$docuname,1);
+ if (ref($newdirlistref) eq 'ARRAY') {
+ foreach my $dir_line (@{$newdirlistref}) {
+ my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
+ unless ($item =~ /^\.+$/) {
+ $$count ++;
+ @{$dirorder->{$$count}} = @{$hierarchy};
+ $titles->{$$count} = $item;
+ &archive_hierarchy($$depth,$$count,$parent,$children);
+
+ my $is_dir;
+ if ($dirptr&$testdir) {
+ $is_dir = 1;
+ }
+ if ($wantform) {
+ $result .= &archive_row($is_dir,$item,$currdir,$$depth,$$count);
+ }
+ if ($is_dir) {
+ $$depth ++;
+ push(@{$hierarchy},$$count);
+ $parent->{$$depth} = $$count;
+ $result .=
+ &recurse_extracted_archive("$currdir/$item",$docudom,
+ $docuname,$depth,$count,
+ $hierarchy,$dirorder,$children,
+ $parent,$titles,$wantform);
+ $$depth --;
+ pop(@{$hierarchy});
+ }
+ }
+ }
+ }
+ return $result;
+}
+
+sub archive_hierarchy {
+ my ($depth,$count,$parent,$children) =@_;
+ if ((ref($parent) eq 'HASH') && (ref($children) eq 'HASH')) {
+ if (exists($parent->{$depth})) {
+ $children->{$parent->{$depth}} .= $count.':';
+ }
+ }
+ return;
+}
+
+sub archive_row {
+ my ($is_dir,$item,$currdir,$depth,$count) = @_;
+ my ($name) = ($item =~ m{([^/]+)$});
+ my %choices = &Apache::lonlocal::texthash (
+ 'display' => 'Add as file',
+ 'dependency' => 'Include as dependency',
+ 'discard' => 'Discard',
+ );
+ if ($is_dir) {
+ $choices{'display'} = &mt('Add as folder');
+ }
+ my $output = &start_data_table_row().''.$count.' | '."\n";
+ my $offset = 0;
+ foreach my $action ('display','dependency','discard') {
+ $offset ++;
+ if ($action ne 'display') {
+ $offset ++;
+ }
+ $output .= ''.
+ '';
+ if ($action eq 'dependency') {
+ $output .= ' '."\n".
+ &mt('Used by:').' '."\n".
+ ' ';
+ } elsif ($action eq 'display') {
+ $output .= ''."\n".
+ &mt('Title:').' '."\n".
+ ' ';
+ }
+ $output .= ' | ';
+ }
+ $output .= '&').'" />'.(' ' x 2);
+ for (my $i=0; $i<$depth; $i++) {
+ $output .= (' ' x2)."\n";
+ }
+ if ($is_dir) {
+ $output .= ' '."\n".
+ ''."\n";
+ } else {
+ $output .= ''."\n";
+ }
+ $output .= ' '.$name.' | '."\n".
+ &end_data_table_row();
+ return $output;
+}
+
+sub archive_options_form {
+ my ($form,$display,$count,$hiddenelem) = @_;
+ my %lt = &Apache::lonlocal::texthash(
+ perm => 'Permanently remove archive file?',
+ hows => 'How should each extracted item be incorporated in the course?',
+ cont => 'Content actions for all',
+ addf => 'Add as folder/file',
+ incd => 'Include as dependency for a displayed file',
+ disc => 'Discard',
+ no => 'No',
+ yes => 'Yes',
+ save => 'Save',
+ );
+ my $output = <<"END";
+';
+}
+
+sub archive_javascript {
+ my ($startcount,$numitems,$titles,$children) = @_;
+ return unless ((ref($titles) eq 'HASH') && (ref($children) eq 'HASH'));
+ my $maintitle = $env{'form.comment'};
+ my $scripttag = <
+// 0) {
+ var startelement = $startcount + ((count-1) * 7);
+ for (var j=1; j<6; j++) {
+ if ((j != 2) && (j != 4)) {
+ var item = startelement + j;
+ if (form.elements[item].type == 'radio') {
+ if (form.elements[item].checked) {
+ containerCheck(form,count,j);
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+numitems = $numitems
+var titles = new Array(numitems);
+var parents = new Array(numitems);
+for (var i=0; i $b } (keys(%{$children}))) {
+ my @contents = split(/:/,$children->{$container});
+ for (my $i=0; $i<@contents; $i ++) {
+ $scripttag .= 'parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
+ }
+ }
+
+ foreach my $key (sort { $a <=> $b } (keys(%{$titles}))) {
+ $scripttag .= "titles[$key] = '".$titles->{$key}."';\n";
+ }
+
+ $scripttag .= < 0) {
+ dependencyCheck(form,count,offset);
+ var item = (offset+$startcount)+7*(count-1);
+ form.elements[item].checked = true;
+ if(Object.prototype.toString.call(parents[count]) === '[object Array]') {
+ if (parents[count].length > 0) {
+ for (var j=0; j 0) {
+ var chosen = (offset+$startcount)+7*(count-1);
+ var depitem = $startcount + ((count-1) * 7) + 4;
+ var currtype = form.elements[depitem].type;
+ if (form.elements[chosen].value == 'dependency') {
+ document.getElementById('arc_depon_'+count).style.display='block';
+ form.elements[depitem].options.length = 0;
+ form.elements[depitem].options[0] = new Option('Select','',true,true);
+ for (var i=1; i<=numitems; i++) {
+ if (i == count) {
+ continue;
+ }
+ var startelement = $startcount + (i-1) * 7;
+ for (var j=1; j<6; j++) {
+ if ((j != 2) && (j!= 4)) {
+ var item = startelement + j;
+ if (form.elements[item].type == 'radio') {
+ if (form.elements[item].checked) {
+ if (form.elements[item].value == 'display') {
+ var n = form.elements[depitem].options.length;
+ form.elements[depitem].options[n] = new Option(titles[i],i,false,false);
+ }
+ }
+ }
+ }
+ }
+ }
+ } else {
+ document.getElementById('arc_depon_'+count).style.display='none';
+ form.elements[depitem].options.length = 0;
+ form.elements[depitem].options[0] = new Option('Select','',true,true);
+ }
+ titleCheck(form,count,offset);
+ }
+}
+
+function propagateSelect(form,count,offset) {
+ if (count > 0) {
+ var item = (1+offset+$startcount)+7*(count-1);
+ var picked = form.elements[item].options[form.elements[item].selectedIndex].value;
+ if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
+ if (parents[count].length > 0) {
+ for (var j=0; j 0) {
+ var item = (offset+$startcount)+7*(count-1);
+ if (form.elements[item].type == 'radio') {
+ if (form.elements[item].value == 'dependency') {
+ if (form.elements[item+1].type == 'select-one') {
+ for (var i=0; i 0) {
+ for (var j=0; j 0) {
+ var chosen = (offset+$startcount)+7*(count-1);
+ var depitem = $startcount + ((count-1) * 7) + 2;
+ var currtype = form.elements[depitem].type;
+ if (form.elements[chosen].value == 'display') {
+ document.getElementById('arc_title_'+count).style.display='block';
+ if ((count==1) && ((parents[count].length > 0) || (numitems == 1))) {
+ document.getElementById('archive_title_'+count).value=maintitle;
+ }
+ } else {
+ document.getElementById('arc_title_'+count).style.display='none';
+ if (currtype == 'text') {
+ document.getElementById('archive_title_'+count).value='';
+ }
+ }
+ }
+ return;
+}
+
+// ]]>
+
+END
+ return $scripttag;
+}
+
+sub process_extracted_files {
+ my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
+ my $numitems = $env{'form.archive_count'};
+ return unless ($numitems);
+ my @ids=&Apache::lonnet::current_machine_ids();
+ my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
+ %folders,%containers,%mapinner,%prompttofetch);
+ my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
+ if (grep(/^\Q$docuhome\E$/,@ids)) {
+ $prefix = &LONCAPA::propath($docudom,$docuname);
+ $pathtocheck = "$dir_root/$destination";
+ $dir = $dir_root;
+ $ishome = 1;
+ } else {
+ $prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
+ $pathtocheck = "$dir_root/$docudom/$docuname/$destination";
+ $dir = "$dir_root/$docudom/$docuname";
+ }
+ my $currdir = "$dir_root/$destination";
+ (my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs|supplemental)/(\w+)/});
+ if ($env{'form.folderpath'}) {
+ my @items = split('&',$env{'form.folderpath'});
+ $folders{'0'} = $items[-2];
+ $containers{'0'}='sequence';
+ } elsif ($env{'form.pagepath'}) {
+ my @items = split('&',$env{'form.pagepath'});
+ $folders{'0'} = $items[-2];
+ $containers{'0'}='page';
+ }
+ my @archdirs = &get_env_multiple('form.archive_directory');
+ if ($numitems) {
+ for (my $i=1; $i<=$numitems; $i++) {
+ my $path = $env{'form.archive_content_'.$i};
+ if ($path =~ m{^\Q$pathtocheck\E/([^/]+)$}) {
+ my $item = $1;
+ $toplevelitems{$item} = $i;
+ if (grep(/^\Q$i\E$/,@archdirs)) {
+ $is_dir{$item} = 1;
+ }
+ }
+ }
+ }
+ my ($output,%children,%parent,%titles,%dirorder,$result);
+ if (keys(%toplevelitems) > 0) {
+ my @contents = sort(keys(%toplevelitems));
+ (my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,
+ \%parent,\@contents,\%dirorder,\%titles);
+ }
+ my (%referrer,%orphaned,%todelete,%todeletedir,%newdest,%newseqid);
+ if ($numitems) {
+ for (my $i=1; $i<=$numitems; $i++) {
+ next if ($env{'form.archive_'.$i} eq 'dependency');
+ my $path = $env{'form.archive_content_'.$i};
+ if ($path =~ /^\Q$pathtocheck\E/) {
+ if ($env{'form.archive_'.$i} eq 'discard') {
+ if ($prefix ne '' && $path ne '') {
+ if (-e $prefix.$path) {
+ if ((@archdirs > 0) &&
+ (grep(/^\Q$i\E$/,@archdirs))) {
+ $todeletedir{$prefix.$path} = 1;
+ } else {
+ $todelete{$prefix.$path} = 1;
+ }
+ }
+ }
+ } elsif ($env{'form.archive_'.$i} eq 'display') {
+ my ($docstitle,$title,$url,$outer);
+ ($title) = ($path =~ m{/([^/]+)$});
+ $docstitle = $env{'form.archive_title_'.$i};
+ if ($docstitle eq '') {
+ $docstitle = $title;
+ }
+ $outer = 0;
+ if (ref($dirorder{$i}) eq 'ARRAY') {
+ if (@{$dirorder{$i}} > 0) {
+ foreach my $item (reverse(@{$dirorder{$i}})) {
+ if ($env{'form.archive_'.$item} eq 'display') {
+ $outer = $item;
+ last;
+ }
+ }
+ }
+ }
+ my ($errtext,$fatal) =
+ &LONCAPA::map::mapread('/uploaded/'.$docudom.'/'.$docuname.
+ '/'.$folders{$outer}.'.'.
+ $containers{$outer});
+ next if ($fatal);
+ if ((@archdirs > 0) && (grep(/^\Q$i\E$/,@archdirs))) {
+ if ($context eq 'coursedocs') {
+ $mapinner{$i} = time;
+ $folders{$i} = 'default_'.$mapinner{$i};
+ $containers{$i} = 'sequence';
+ my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
+ $folders{$i}.'.'.$containers{$i};
+ my $newidx = &LONCAPA::map::getresidx();
+ $LONCAPA::map::resources[$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);
+ $newseqid{$i} = $newidx;
+ unless ($errtext) {
+ $result .= ''.&mt('Folder: [_1] added to course',$docstitle).''."\n";
+ }
+ }
+ } else {
+ if ($context eq 'coursedocs') {
+ my $newidx=&LONCAPA::map::getresidx();
+ 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;
+ }
+ }
+ $LONCAPA::map::resources[$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";
+ }
+ }
+ }
+ }
+ }
+ } else {
+ $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'
';
+ }
+ }
+ for (my $i=1; $i<=$numitems; $i++) {
+ next unless ($env{'form.archive_'.$i} eq 'dependency');
+ my $path = $env{'form.archive_content_'.$i};
+ if ($path =~ /^\Q$pathtocheck\E/) {
+ my ($title) = ($path =~ m{/([^/]+)$});
+ $referrer{$i} = $env{'form.archive_dependent_on_'.$i};
+ if ($env{'form.archive_'.$referrer{$i}} eq 'display') {
+ if (ref($dirorder{$i}) eq 'ARRAY') {
+ my ($itemidx,$fullpath,$relpath);
+ if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {
+ my $container = $dirorder{$referrer{$i}}->[-1];
+ for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
+ if ($dirorder{$i}->[$j] eq $container) {
+ $itemidx = $j;
+ }
+ }
+ }
+ if ($itemidx eq '') {
+ $itemidx = 0;
+ }
+ if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
+ if ($mapinner{$referrer{$i}}) {
+ $fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
+ for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+ if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+ unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+ $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+ $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+ if (!-e $fullpath) {
+ mkdir($fullpath,0755);
+ }
+ }
+ } else {
+ last;
+ }
+ }
+ }
+ } elsif ($newdest{$referrer{$i}}) {
+ $fullpath = $newdest{$referrer{$i}};
+ for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
+ if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {
+ $orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};
+ last;
+ } elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
+ unless (defined($newseqid{$dirorder{$i}->[$j]})) {
+ $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
+ $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
+ if (!-e $fullpath) {
+ mkdir($fullpath,0755);
+ }
+ }
+ } else {
+ last;
+ }
+ }
+ }
+ if ($fullpath ne '') {
+ if (-e "$prefix$path") {
+ system("mv $prefix$path $fullpath/$title");
+ }
+ if (-e "$fullpath/$title") {
+ my $showpath;
+ if ($relpath ne '') {
+ $showpath = "$relpath/$title";
+ } 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;
+ }
+ }
+ }
+ } 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}}).'
';
+ }
+ } else {
+ $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'
';
+ }
+ }
+ if (keys(%todelete)) {
+ foreach my $key (keys(%todelete)) {
+ unlink($key);
+ }
+ }
+ if (keys(%todeletedir)) {
+ foreach my $key (keys(%todeletedir)) {
+ rmdir($key);
+ }
+ }
+ foreach my $dir (sort(keys(%is_dir))) {
+ if (($pathtocheck ne '') && ($dir ne '')) {
+ &cleanup_empty_dirs($prefix."$pathtocheck/$dir");
+ }
+ }
+ if ($result ne '') {
+ $output .= ''."\n".
+ $result."\n".
+ '
';
+ }
+ unless ($ishome) {
+ my $replicationfail;
+ foreach my $item (keys(%prompttofetch)) {
+ my $fetchresult= &Apache::lonnet::reply('fetchuserfile:'.$item,$docuhome);
+ unless ($fetchresult eq 'ok') {
+ $replicationfail .= ''.$item.''."\n";
+ }
+ }
+ if ($replicationfail) {
+ $output .= ''.
+ &mt('Course home server failed to retrieve:').'
'.
+ $replicationfail.
+ '
';
+ }
+ }
+ } else {
+ $warning = &mt('No items found in archive.');
+ }
+ if ($error) {
+ $output .= ''.&mt('Not extracted.').'
'.
+ $error.'
'."\n";
+ }
+ if ($warning) {
+ $output .= ''.$warning.'
'."\n";
+ }
+ return $output;
+}
+
+sub cleanup_empty_dirs {
+ my ($path) = @_;
+ if (($path ne '') && (-d $path)) {
+ if (opendir(my $dirh,$path)) {
+ my @dircontents = grep(!/^\./,readdir($dirh));
+ my $numitems = 0;
+ foreach my $item (@dircontents) {
+ if (-d "$path/$item") {
+ &recurse_dirs("$path/$item");
+ if (-e "$path/$item") {
+ $numitems ++;
+ }
+ } else {
+ $numitems ++;
+ }
+ }
+ if ($numitems == 0) {
+ rmdir($path);
+ }
+ closedir($dirh);
+ }
+ }
+ return;
+}
+
+=pod
+
+=item &get_folder_hierarchy()
+
+Provides hierarchy of names of folders/sub-folders containing the current
+item,
+
+Inputs: 3
+ - $navmap - navmaps object
+
+ - $map - url for map (either the trigger itself, or map containing
+ the resource, which is the trigger).
+
+ - $showitem - 1 => show title for map itself; 0 => do not show.
+
+Outputs: 1 @pathitems - array of folder/subfolder names.
+
+=cut
+
+sub get_folder_hierarchy {
+ my ($navmap,$map,$showitem) = @_;
+ my @pathitems;
+ if (ref($navmap)) {
+ my $mapres = $navmap->getResourceByUrl($map);
+ if (ref($mapres)) {
+ my $pcslist = $mapres->map_hierarchy();
+ if ($pcslist ne '') {
+ my @pcs = split(/,/,$pcslist);
+ foreach my $pc (@pcs) {
+ if ($pc == 1) {
+ push(@pathitems,&mt('Main Course Documents'));
+ } else {
+ my $res = $navmap->getByMapPc($pc);
+ if (ref($res)) {
+ my $title = $res->compTitle();
+ $title =~ s/\W+/_/g;
+ if ($title ne '') {
+ push(@pathitems,$title);
+ }
+ }
+ }
+ }
+ }
+ if ($showitem) {
+ if ($mapres->{ID} eq '0.0') {
+ push(@pathitems,&mt('Main Course Documents'));
+ } else {
+ my $maptitle = $mapres->compTitle();
+ $maptitle =~ s/\W+/_/g;
+ if ($maptitle ne '') {
+ push(@pathitems,$maptitle);
+ }
+ }
+ }
+ }
+ }
+ return @pathitems;
+}
+
+=pod
+
+=item * &get_turnedin_filepath()
+
+Determines path in a user's portfolio file for storage of files uploaded
+to a specific essayresponse or dropbox item.
+
+Inputs: 3 required + 1 optional.
+$symb is symb for resource, $uname and $udom are for current user (required).
+$caller is optional (can be "submission", if routine is called when storing
+an upoaded file when "Submit Answer" button was pressed).
+
+Returns array containing $path and $multiresp.
+$path is path in portfolio. $multiresp is 1 if this resource contains more
+than one file upload item. Callers of routine should append partid as a
+subdirectory to $path in cases where $multiresp is 1.
+
+Called by: homework/essayresponse.pm and homework/structuretags.pm
+
+=cut
+
+sub get_turnedin_filepath {
+ my ($symb,$uname,$udom,$caller) = @_;
+ my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+ my $turnindir;
+ my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
+ $turnindir = $userhash{'turnindir'};
+ my ($path,$multiresp);
+ if ($turnindir eq '') {
+ if ($caller eq 'submission') {
+ $turnindir = &mt('turned in');
+ $turnindir =~ s/\W+/_/g;
+ my %newhash = (
+ 'turnindir' => $turnindir,
+ );
+ &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
+ }
+ }
+ if ($turnindir ne '') {
+ $path = '/'.$turnindir.'/';
+ my ($multipart,$turnin,@pathitems);
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (defined($navmap)) {
+ my $mapres = $navmap->getResourceByUrl($map);
+ if (ref($mapres)) {
+ my $pcslist = $mapres->map_hierarchy();
+ if ($pcslist ne '') {
+ foreach my $pc (split(/,/,$pcslist)) {
+ my $res = $navmap->getByMapPc($pc);
+ if (ref($res)) {
+ my $title = $res->compTitle();
+ $title =~ s/\W+/_/g;
+ if ($title ne '') {
+ push(@pathitems,$title);
+ }
+ }
+ }
+ }
+ my $maptitle = $mapres->compTitle();
+ $maptitle =~ s/\W+/_/g;
+ if ($maptitle ne '') {
+ push(@pathitems,$maptitle);
+ }
+ unless ($env{'request.state'} eq 'construct') {
+ my $res = $navmap->getBySymb($symb);
+ if (ref($res)) {
+ my $partlist = $res->parts();
+ my $totaluploads = 0;
+ if (ref($partlist) eq 'ARRAY') {
+ foreach my $part (@{$partlist}) {
+ my @types = $res->responseType($part);
+ my @ids = $res->responseIds($part);
+ for (my $i=0; $i < scalar(@ids); $i++) {
+ if ($types[$i] eq 'essay') {
+ my $partid = $part.'_'.$ids[$i];
+ if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
+ $totaluploads ++;
+ }
+ }
+ }
+ }
+ if ($totaluploads > 1) {
+ $multiresp = 1;
+ }
+ }
+ }
+ }
+ } else {
+ return;
+ }
+ } else {
+ return;
+ }
+ my $restitle=&Apache::lonnet::gettitle($symb);
+ $restitle =~ s/\W+/_/g;
+ if ($restitle eq '') {
+ $restitle = ($resurl =~ m{/[^/]+$});
+ if ($restitle eq '') {
+ $restitle = time;
+ }
+ }
+ push(@pathitems,$restitle);
+ $path .= join('/',@pathitems);
+ }
+ return ($path,$multiresp);
+}
=pod
@@ -10555,7 +13777,7 @@ sub init_user_environment {
# See if old ID present, if so, remove
- my ($filename,$cookie,$userroles);
+ my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
my $now=time;
if ($public) {
@@ -10593,7 +13815,8 @@ sub init_user_environment {
# Initialize roles
- $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
+ ($userroles,$firstaccenv,$timerintenv) =
+ &Apache::lonnet::rolesinit($domain,$username,$authhost);
}
# ------------------------------------ Check browser type and MathML capability
@@ -10648,24 +13871,52 @@ sub init_user_environment {
$env{'browser.interface'}=$form->{'interface'};
}
- foreach my $tool ('aboutme','blog','portfolio') {
+ my %is_adv = ( is_adv => $env{'user.adv'} );
+ my %domdef;
+ unless ($domain eq 'public') {
+ %domdef = &Apache::lonnet::get_domain_defaults($domain);
+ }
+
+ foreach my $tool ('aboutme','blog','webdav','portfolio') {
$userenv{'availabletools.'.$tool} =
- &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
+ &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
+ undef,\%userenv,\%domdef,\%is_adv);
}
foreach my $crstype ('official','unofficial','community') {
$userenv{'canrequest.'.$crstype} =
&Apache::lonnet::usertools_access($username,$domain,$crstype,
- 'reload','requestcourses');
+ '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'};
+ }
}
$env{'user.environment'} = "$lonids/$cookie.id";
-
+
if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
&GDBM_WRCREAT(),0640)) {
&_add_to_env(\%disk_env,\%initial_env);
&_add_to_env(\%disk_env,\%userenv,'environment.');
&_add_to_env(\%disk_env,$userroles);
+ if (ref($firstaccenv) eq 'HASH') {
+ &_add_to_env(\%disk_env,$firstaccenv);
+ }
+ if (ref($timerintenv) eq 'HASH') {
+ &_add_to_env(\%disk_env,$timerintenv);
+ }
if (ref($args->{'extra_env'})) {
&_add_to_env(\%disk_env,$args->{'extra_env'});
}
@@ -10701,7 +13952,9 @@ sub get_symb {
my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
if ($symb eq '') {
if (!$silent) {
- $request->print("Unable to handle ambiguous references:$url:.");
+ if (ref($request)) {
+ $request->print("Unable to handle ambiguous references:$url:.");
+ }
return ();
}
}
@@ -10735,6 +13988,254 @@ sub clean_symb {
return ($symb,$enc);
}
+sub build_release_hashes {
+ my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
+ return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
+ (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
+ (ref($randomizetry) eq 'HASH'));
+ foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+ my ($item,$name,$value) = split(/:/,$key);
+ if ($item eq 'parameter') {
+ if (ref($checkparms->{$name}) eq 'ARRAY') {
+ unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
+ push(@{$checkparms->{$name}},$value);
+ }
+ } else {
+ push(@{$checkparms->{$name}},$value);
+ }
+ } elsif ($item eq 'resourcetag') {
+ if ($name eq 'responsetype') {
+ $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
+ }
+ } elsif ($item eq 'course') {
+ if ($name eq 'crstype') {
+ $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
+ }
+ }
+ }
+ ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
+ ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
+ return;
+}
+
+sub update_content_constraints {
+ my ($cdom,$cnum,$chome,$cid) = @_;
+ my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+ my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
+ my %checkresponsetypes;
+ foreach my $key (keys(%Apache::lonnet::needsrelease)) {
+ my ($item,$name,$value) = split(/:/,$key);
+ if ($item eq 'resourcetag') {
+ if ($name eq 'responsetype') {
+ $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
+ }
+ }
+ }
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (defined($navmap)) {
+ my %allresponses;
+ foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
+ my %responses = $res->responseTypes();
+ foreach my $key (keys(%responses)) {
+ next unless(exists($checkresponsetypes{$key}));
+ $allresponses{$key} += $responses{$key};
+ }
+ }
+ foreach my $key (keys(%allresponses)) {
+ my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
+ if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
+ ($reqdmajor,$reqdminor) = ($major,$minor);
+ }
+ }
+ undef($navmap);
+ }
+ unless (($reqdmajor eq '') && ($reqdminor eq '')) {
+ &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
+ }
+ return;
+}
+
+sub parse_supplemental_title {
+ my ($title) = @_;
+
+ my ($foldertitle,$renametitle);
+ if ($title =~ /&&&/) {
+ $title = &HTML::Entites::decode($title);
+ }
+ if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
+ $renametitle=$4;
+ my ($time,$uname,$udom) = ($1,$2,$3);
+ $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
+ my $name = &plainname($uname,$udom);
+ $name = &HTML::Entities::encode($name,'"<>&\'');
+ $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
+ $title=''.&Apache::lonlocal::locallocaltime($time).' '.
+ $name.':
'.$foldertitle;
+ }
+ if (wantarray) {
+ return ($title,$foldertitle,$renametitle);
+ }
+ return $title;
+}
+
+sub captcha_display {
+ my ($context,$lonhost) = @_;
+ my ($output,$error);
+ my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ if ($captcha eq 'original') {
+ $output = &create_captcha();
+ unless ($output) {
+ $error = 'captcha';
+ }
+ } elsif ($captcha eq 'recaptcha') {
+ $output = &create_recaptcha($pubkey);
+ unless ($output) {
+ $error = 'recaptcha';
+ }
+ }
+ return ($output,$error);
+}
+
+sub captcha_response {
+ my ($context,$lonhost) = @_;
+ my ($captcha_chk,$captcha_error);
+ my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ if ($captcha eq 'original') {
+ ($captcha_chk,$captcha_error) = &check_captcha();
+ } elsif ($captcha eq 'recaptcha') {
+ $captcha_chk = &check_recaptcha($privkey);
+ } else {
+ $captcha_chk = 1;
+ }
+ return ($captcha_chk,$captcha_error);
+}
+
+sub get_captcha_config {
+ my ($context,$lonhost) = @_;
+ my ($captcha,$pubkey,$privkey,$hashtocheck);
+ my $hostname = &Apache::lonnet::hostname($lonhost);
+ my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
+ my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+ if ($context eq 'usercreation') {
+ my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
+ if (ref($domconfig{$context}) eq 'HASH') {
+ $hashtocheck = $domconfig{$context}{'cancreate'};
+ if (ref($hashtocheck) eq 'HASH') {
+ if ($hashtocheck->{'captcha'} eq 'recaptcha') {
+ if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
+ $pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
+ $privkey = $hashtocheck->{'recaptchakeys'}{'private'};
+ }
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($hashtocheck->{'captcha'} ne 'notused') {
+ $captcha = 'original';
+ }
+ }
+ } else {
+ $captcha = 'captcha';
+ }
+ } elsif ($context eq 'login') {
+ my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
+ if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
+ $pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
+ $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
+ if ($privkey && $pubkey) {
+ $captcha = 'recaptcha';
+ } else {
+ $captcha = 'original';
+ }
+ } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
+ $captcha = 'original';
+ }
+ }
+ return ($captcha,$pubkey,$privkey);
+}
+
+sub create_captcha {
+ my %captcha_params = &captcha_settings();
+ my ($output,$maxtries,$tries) = ('',10,0);
+ while ($tries < $maxtries) {
+ $tries ++;
+ my $captcha = Authen::Captcha->new (
+ output_folder => $captcha_params{'output_dir'},
+ data_folder => $captcha_params{'db_dir'},
+ );
+ my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
+
+ if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
+ $output = ''."\n".
+ &mt('Type in the letters/numbers shown below').' '.
+ '
'.
+ '
';
+ last;
+ }
+ }
+ return $output;
+}
+
+sub captcha_settings {
+ my %captcha_params = (
+ output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
+ www_output_dir => "/captchaspool",
+ db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
+ numchars => '5',
+ );
+ return %captcha_params;
+}
+
+sub check_captcha {
+ my ($captcha_chk,$captcha_error);
+ my $code = $env{'form.code'};
+ my $md5sum = $env{'form.crypt'};
+ my %captcha_params = &captcha_settings();
+ my $captcha = Authen::Captcha->new(
+ output_folder => $captcha_params{'output_dir'},
+ data_folder => $captcha_params{'db_dir'},
+ );
+ my $captcha_chk = $captcha->check_code($code,$md5sum);
+ my %captcha_hash = (
+ 0 => 'Code not checked (file error)',
+ -1 => 'Failed: code expired',
+ -2 => 'Failed: invalid code (not in database)',
+ -3 => 'Failed: invalid code (code does not match crypt)',
+ );
+ if ($captcha_chk != 1) {
+ $captcha_error = $captcha_hash{$captcha_chk}
+ }
+ return ($captcha_chk,$captcha_error);
+}
+
+sub create_recaptcha {
+ my ($pubkey) = @_;
+ my $captcha = Captcha::reCAPTCHA->new;
+ return $captcha->get_options_setter({theme => 'white'})."\n".
+ $captcha->get_html($pubkey).
+ &mt('If either word is hard to read, [_1] will replace them.',
+ '').
+ '
';
+}
+
+sub check_recaptcha {
+ my ($privkey) = @_;
+ my $captcha_chk;
+ my $captcha = Captcha::reCAPTCHA->new;
+ my $captcha_result =
+ $captcha->check_answer(
+ $privkey,
+ $ENV{'REMOTE_ADDR'},
+ $env{'form.recaptcha_challenge_field'},
+ $env{'form.recaptcha_response_field'},
+ );
+ if ($captcha_result->{is_valid}) {
+ $captcha_chk = 1;
+ }
+ return $captcha_chk;
+}
+
=pod
=back