'
+ .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
+ .' '
+ .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
+ ,'',' ')
+ .'
+//
+
+
+$new_user_create
+
+END_BLOCK
+
+ $output .= &Apache::lonhtmlcommon::start_pick_box().
+ &Apache::lonhtmlcommon::row_title($lt{'doma'}).
+ $domform.
+ &Apache::lonhtmlcommon::row_closure().
+ &Apache::lonhtmlcommon::row_title($lt{'usr'}).
+ $srchbysel.
+ $srchtypesel.
+ 'only be used for verified users at [_1]:",$domdesc).' ';
+ foreach my $rule (@{$ruleorder}) {
+ if (ref($curr_rules) eq 'ARRAY') {
+ if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
+ if (ref($rules->{$rule}) eq 'HASH') {
+ $output .= ''.$rules->{$rule}{'name'}.': '.
+ $rules->{$rule}{'desc'}.' ';
+ }
+ }
+ }
+ }
+ $output .= ' ';
+ }
+ }
+ return $output;
+}
+
+sub instrule_disallow_msg {
+ my ($checkitem,$domdesc,$count,$mode) = @_;
+ my $response;
+ my %text = (
+ item => 'username',
+ items => 'usernames',
+ match => 'matches',
+ do => 'does',
+ action => 'a username',
+ one => 'one',
+ );
+ if ($count > 1) {
+ $text{'item'} = 'usernames';
+ $text{'match'} ='match';
+ $text{'do'} = 'do';
+ $text{'action'} = 'usernames',
+ $text{'one'} = 'ones';
+ }
+ if ($checkitem eq 'id') {
+ $text{'items'} = 'IDs';
+ $text{'item'} = 'ID';
+ $text{'action'} = 'an ID';
+ if ($count > 1) {
+ $text{'item'} = 'IDs';
+ $text{'action'} = 'IDs';
+ }
+ }
+ $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",''.$domdesc.' ').''
+ .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+ ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+ .' '.&mt('Uploaded [_1]',''.
+ $path.$fname.' ').'
';
+ }
+ } else {
+# Save the file
+ my $target = $env{'form.embedded_item_'.$i};
+ my $fullpath = $dir_root.$dirpath.'/'.$path;
+ my $dest = $fullpath.$fname;
+ my $url = $url_root.$dirpath.'/'.$path.$fname;
+ my @parts=split(/\//,$fullpath);
+ my $count;
+ my $filepath = $dir_root;
+ for ($count=4;$count<=$#parts;$count++) {
+ $filepath .= "/$parts[$count]";
+ if ((-e $filepath)!=1) {
+ mkdir($filepath,0770);
+ }
+ }
+ my $fh;
+ if (!open($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 writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+ ' '.
+ $orig_uploaded_filename.' '.
+ &mt('View embedded file: [_1]',''.
+ $orig_uploaded_filename.' ').' '.$fname.' ',$path);
+ } elsif (-e $path.'/'.$fname) {
+ $state = 'exists';
+ $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].',''.$fname.' ',$path);
+ }
+ if ($state eq 'exists') {
+ $msg = ''.$msg.' '.
+ &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.' ',$filesize).' '.
+ '';
+ $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].',''.$fname.' ',''.$port_path.$env{'form.currentpath'}.' ');
+ $msg .= ' '.$fname.' ');
+ 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 .= ' ';
+ $msg .= ''.$fname.' ', $port_path.$env{'form.currentpath'});
+ return ('file_exists',$msg);
+ }
+ }
+}
+
+
+=pod
+
+=back
+
+=head1 CSV Upload/Handling functions
+
+=over 4
+
+=item * &upfile_store($r)
+
+Store uploaded file, $r should be the HTTP Request object,
+needs $env{'form.upfile'}
+returns $datatoken to be put into hidden field
+
+=cut
+
+sub upfile_store {
+ my $r=shift;
+ $env{'form.upfile'}=~s/\r/\n/gs;
+ $env{'form.upfile'}=~s/\f/\n/gs;
+ $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 $datafile = $r->dir_config('lonDaemons').
+ '/tmp/'.$datatoken.'.tmp';
+ if ( open(my $fh,">$datafile") ) {
+ print $fh $env{'form.upfile'};
+ close($fh);
+ }
+ }
+ return $datatoken;
+}
+
+=pod
+
+=item * &load_tmp_file($r)
+
+Load uploaded file from tmp, $r should be the HTTP Request object,
+needs $env{'form.datatoken'},
+sets $env{'form.upfile'} to the contents of the file
+
+=cut
+
+sub load_tmp_file {
+ my $r=shift;
+ my @studentdata=();
+ {
+ my $studentfile = $r->dir_config('lonDaemons').
+ '/tmp/'.$env{'form.datatoken'}.'.tmp';
+ if ( open(my $fh,"<$studentfile") ) {
+ @studentdata=<$fh>;
+ close($fh);
+ }
+ }
+ $env{'form.upfile'}=join('',@studentdata);
+}
+
+=pod
+
+=item * &upfile_record_sep()
+
+Separate uploaded file into records
+returns array of records,
+needs $env{'form.upfile'} and $env{'form.upfiletype'}
+
+=cut
+
+sub upfile_record_sep {
+ if ($env{'form.upfiletype'} eq 'xml') {
+ } else {
+ my @records;
+ foreach my $line (split(/\n/,$env{'form.upfile'})) {
+ if ($line=~/^\s*$/) { next; }
+ push(@records,$line);
+ }
+ return @records;
+ }
+}
+
+=pod
+
+=item * &record_sep($record)
+
+Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
+
+=cut
+
+sub takeleft {
+ my $index=shift;
+ return substr('0000'.$index,-4,4);
+}
+
+sub record_sep {
+ my $record=shift;
+ my %components=();
+ if ($env{'form.upfiletype'} eq 'xml') {
+ } elsif ($env{'form.upfiletype'} eq 'space') {
+ my $i=0;
+ foreach my $field (split(/\s+/,$record)) {
+ $field=~s/^(\"|\')//;
+ $field=~s/(\"|\')$//;
+ $components{&takeleft($i)}=$field;
+ $i++;
+ }
+ } elsif ($env{'form.upfiletype'} eq 'tab') {
+ my $i=0;
+ foreach my $field (split(/\t/,$record)) {
+ $field=~s/^(\"|\')//;
+ $field=~s/(\"|\')$//;
+ $components{&takeleft($i)}=$field;
+ $i++;
+ }
+ } else {
+ my $separator=',';
+ if ($env{'form.upfiletype'} eq 'semisv') {
+ $separator=';';
+ }
+ my $i=0;
+# the character we are looking for to indicate the end of a quote or a record
+ my $looking_for=$separator;
+# do not add the characters to the fields
+ my $ignore=0;
+# we just encountered a separator (or the beginning of the record)
+ my $just_found_separator=1;
+# store the field we are working on here
+ my $field='';
+# work our way through all characters in record
+ foreach my $character ($record=~/(.)/g) {
+ if ($character eq $looking_for) {
+ if ($character ne $separator) {
+# Found the end of a quote, again looking for separator
+ $looking_for=$separator;
+ $ignore=1;
+ } else {
+# Found a separator, store away what we got
+ $components{&takeleft($i)}=$field;
+ $i++;
+ $just_found_separator=1;
+ $ignore=0;
+ $field='';
+ }
+ next;
+ }
+# single or double quotation marks after a separator indicate beginning of a quote
+# we are now looking for the end of the quote and need to ignore separators
+ if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
+ $looking_for=$character;
+ next;
+ }
+# ignore would be true after we reached the end of a quote
+ if ($ignore) { next; }
+ if (($just_found_separator) && ($character=~/\s/)) { next; }
+ $field.=$character;
+ $just_found_separator=0;
+ }
+# catch the very last entry, since we never encountered the separator
+ $components{&takeleft($i)}=$field;
+ }
+ return %components;
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &upfile_select_html()
+
+Return HTML code to select a file from the users machine and specify
+the file type.
+
+=cut
+
+######################################################
+######################################################
+sub upfile_select_html {
+ my %Types = (
+ csv => &mt('CSV (comma separated values, spreadsheet)'),
+ semisv => &mt('Semicolon separated values'),
+ space => &mt('Space separated'),
+ tab => &mt('Tabulator separated'),
+# xml => &mt('HTML/XML'),
+ );
+ my $Str = '';
+ foreach my $type (sort(keys(%Types))) {
+ $Str .= ''.$Types{$type}." \n";
+ }
+ $Str .= " \n";
+ return $Str;
+}
+
+sub get_samples {
+ my ($records,$toget) = @_;
+ my @samples=({});
+ my $got=0;
+ foreach my $rec (@$records) {
+ my %temp = &record_sep($rec);
+ if (! grep(/\S/, values(%temp))) { next; }
+ if (%temp) {
+ $samples[$got]=\%temp;
+ $got++;
+ if ($got == $toget) { last; }
+ }
+ }
+ return \@samples;
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &csv_print_samples($r,$records)
+
+Prints a table of sample values from each column uploaded $r is an
+Apache Request ref, $records is an arrayref from
+&Apache::loncommon::upfile_record_sep
+
+=cut
+
+######################################################
+######################################################
+sub csv_print_samples {
+ my ($r,$records) = @_;
+ my $samples = &get_samples($records,5);
+
+ $r->print(&mt('Samples').''.&mt('Column [_1]',($sample+1)).' '); }
+ $r->print(&end_data_table_header_row());
+ foreach my $hash (@$samples) {
+ $r->print(&start_data_table_row());
+ foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
+ $r->print('');
+ if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
+ $r->print(' ');
+ }
+ $r->print(&end_data_table_row());
+ }
+ $r->print(&end_data_table().''.&mt('Attribute').' '.
+ ''.&mt('Column').' '.
+ &end_data_table_header_row()."\n");
+ foreach my $array_ref (@$d) {
+ my ($value,$display,$defaultcol)=@{ $array_ref };
+ $r->print(&start_data_table_row().''.$display.' ');
+
+ $r->print('');
+ $r->print(''.&mt('Column [_1]',($sample+1)).' ');
+ }
+ $r->print(' '.
+ &mt('Field').' '.&mt('Samples').' '.
+ &end_data_table_header_row());
+
+ foreach my $key (sort(keys(%{ $samples->[0] }))) {
+ $r->print(&start_data_table_row().'');
+ foreach my $option (@$d) {
+ my ($value,$display,$defaultcol)=@{ $option };
+ $r->print(''.
+ $display.' ');
+ }
+ $r->print(' ');
+ foreach my $line (0..($max_samples-1)) {
+ if (defined($samples->[$line]{$key})) {
+ $r->print($samples->[$line]{$key}." '.&end_data_table_row());
+ $i++;
+ }
+ $r->print(&end_data_table());
+ $i--;
+ return($i);
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &clean_excel_name($name)
+
+Returns a replacement for $name which does not contain any illegal characters.
+
+=cut
+
+######################################################
+######################################################
+sub clean_excel_name {
+ my ($name) = @_;
+ $name =~ s/[:\*\?\/\\]//g;
+ if (length($name) > 31) {
+ $name = substr($name,0,31);
+ }
+ return $name;
+}
+
+=pod
+
+=item * &check_if_partid_hidden($id,$symb,$udom,$uname)
+
+Returns either 1 or undef
+
+1 if the part is to be hidden, undef if it is to be shown
+
+Arguments are:
+
+$id the id of the part to be checked
+$symb, optional the symb of the resource to check
+$udom, optional the domain of the user to check for
+$uname, optional the username of the user to check for
+
+=cut
+
+sub check_if_partid_hidden {
+ my ($id,$symb,$udom,$uname) = @_;
+ my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
+ $symb,$udom,$uname);
+ my $truth=1;
+ #if the string starts with !, then the list is the list to show not hide
+ if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
+ my @hiddenlist=split(/,/,$hiddenparts);
+ foreach my $checkid (@hiddenlist) {
+ if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
+ }
+ return !$truth;
+}
+
+
+############################################################
+############################################################
+
+=pod
+
+=back
+
+=head1 cgi-bin script and graphing routines
+
+=over 4
+
+=item * &get_cgi_id()
+
+Inputs: none
+
+Returns an id which can be used to pass environment variables
+to various cgi-bin scripts. These environment variables will
+be removed from the users environment after a given time by
+the routine &Apache::lonnet::transfer_profile_to_env.
+
+=cut
+
+############################################################
+############################################################
+my $uniq=0;
+sub get_cgi_id {
+ $uniq=($uniq+1)%100000;
+ return (time.'_'.$$.'_'.$uniq);
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item * &DrawBarGraph()
+
+Facilitates the plotting of data in a (stacked) bar graph.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an '.$linktext.' ';
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Course Environment Routines
+
+=over 4
+
+=item * &restore_course_settings()
+
+=item * &store_course_settings()
+
+Restores/Store indicated form parameters from the course environment.
+Will not overwrite existing values of the form parameters.
+
+Inputs:
+a scalar describing the data (e.g. 'chart', 'problem_analysis')
+
+a hash ref describing the data to be stored. For example:
+
+%Save_Parameters = ('Status' => 'scalar',
+ 'chartoutputmode' => 'scalar',
+ 'chartoutputdata' => 'scalar',
+ 'Section' => 'array',
+ 'Group' => 'array',
+ 'StudentData' => 'array',
+ 'Maps' => 'array');
+
+Returns: both routines return nothing
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub store_course_settings {
+ return &store_settings($env{'request.course.id'},@_);
+}
+
+sub store_settings {
+ # save to the environment
+ # appenv the same items, just to be safe
+ my $udom = $env{'user.domain'};
+ my $uname = $env{'user.name'};
+ my ($context,$prefix,$Settings) = @_;
+ my %SaveHash;
+ my %AppHash;
+ while (my ($setting,$type) = each(%$Settings)) {
+ my $basename = join('.','internal',$context,$prefix,$setting);
+ my $envname = 'environment.'.$basename;
+ if (exists($env{'form.'.$setting})) {
+ # Save this value away
+ if ($type eq 'scalar' &&
+ (! exists($env{$envname}) ||
+ $env{$envname} ne $env{'form.'.$setting})) {
+ $SaveHash{$basename} = $env{'form.'.$setting};
+ $AppHash{$envname} = $env{'form.'.$setting};
+ } elsif ($type eq 'array') {
+ my $stored_form;
+ if (ref($env{'form.'.$setting})) {
+ $stored_form = join(',',
+ map {
+ &escape($_);
+ } sort(@{$env{'form.'.$setting}}));
+ } else {
+ $stored_form =
+ &escape($env{'form.'.$setting});
+ }
+ # Determine if the array contents are the same.
+ if ($stored_form ne $env{$envname}) {
+ $SaveHash{$basename} = $stored_form;
+ $AppHash{$envname} = $stored_form;
+ }
+ }
+ }
+ }
+ my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
+ $udom,$uname);
+ if ($put_result !~ /^(ok|delayed)/) {
+ &Apache::lonnet::logthis('unable to save form parameters, '.
+ 'got error:'.$put_result);
+ }
+ # Make sure these settings stick around in this session, too
+ &Apache::lonnet::appenv(\%AppHash);
+ return;
+}
+
+sub restore_course_settings {
+ return &restore_settings($env{'request.course.id'},@_);
+}
+
+sub restore_settings {
+ my ($context,$prefix,$Settings) = @_;
+ while (my ($setting,$type) = each(%$Settings)) {
+ next if (exists($env{'form.'.$setting}));
+ my $envname = 'environment.internal.'.$context.'.'.$prefix.
+ '.'.$setting;
+ if (exists($env{$envname})) {
+ if ($type eq 'scalar') {
+ $env{'form.'.$setting} = $env{$envname};
+ } elsif ($type eq 'array') {
+ $env{'form.'.$setting} = [
+ map {
+ &unescape($_);
+ } split(',',$env{$envname})
+ ];
+ }
+ }
+ }
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Domain E-mail Routines
+
+=over 4
+
+=item * &build_recipient_list()
+
+Build recipient lists for five types of e-mail:
+(a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
+(d) Help requests, (e) Course requests needing approval, generated by
+lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
+loncoursequeueadmin.pm respectively.
+
+Inputs:
+defmail (scalar - email address of default recipient),
+mailing type (scalar - errormail, packagesmail, or helpdeskmail),
+defdom (domain for which to retrieve configuration settings),
+origmail (scalar - email address of recipient from loncapa.conf,
+i.e., predates configuration by DC via domainprefs.pm
+
+Returns: comma separated list of addresses to which to send e-mail.
+
+=back
+
+=cut
+
+############################################################
+############################################################
+sub build_recipient_list {
+ my ($defmail,$mailing,$defdom,$origmail) = @_;
+ my @recipients;
+ my $otheremails;
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
+ if (ref($domconfig{'contacts'}) eq 'HASH') {
+ if (exists($domconfig{'contacts'}{$mailing})) {
+ if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
+ my @contacts = ('adminemail','supportemail');
+ foreach my $item (@contacts) {
+ if ($domconfig{'contacts'}{$mailing}{$item}) {
+ my $addr = $domconfig{'contacts'}{$item};
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+ }
+ }
+ } elsif ($origmail ne '') {
+ push(@recipients,$origmail);
+ }
+ } elsif ($origmail ne '') {
+ push(@recipients,$origmail);
+ }
+ if (defined($defmail)) {
+ if ($defmail ne '') {
+ push(@recipients,$defmail);
+ }
+ }
+ if ($otheremails) {
+ my @others;
+ if ($otheremails =~ /,/) {
+ @others = split(/,/,$otheremails);
+ } else {
+ push(@others,$otheremails);
+ }
+ foreach my $addr (@others) {
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ }
+ my $recipientlist = join(',',@recipients);
+ return $recipientlist;
+}
+
+############################################################
+############################################################
+
+=pod
+
+=head1 Course Catalog Routines
+
+=over 4
+
+=item * &gather_categories()
+
+Converts category definitions - keys of categories hash stored in
+coursecategories in configuration.db on the primary library server in a
+domain - to an array. Also generates javascript and idx hash used to
+generate Domain Coordinator interface for editing Course Categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+idx (reference to hash of counters used in Domain Coordinator interface for
+ editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+ Domain Coordinator interface for editing Course Categories).
+
+Returns: nothing
+
+Side effects: populates cats, idx and jsarray.
+
+=cut
+
+sub gather_categories {
+ my ($categories,$cats,$idx,$jsarray) = @_;
+ my %counters;
+ my $num = 0;
+ foreach my $item (keys(%{$categories})) {
+ my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
+ if ($container eq '' && $depth == 0) {
+ $cats->[$depth][$categories->{$item}] = $cat;
+ } else {
+ $cats->[$depth]{$container}[$categories->{$item}] = $cat;
+ }
+ my ($escitem,$tail) = split(/:/,$item,2);
+ if ($counters{$tail} eq '') {
+ $counters{$tail} = $num;
+ $num ++;
+ }
+ if (ref($idx) eq 'HASH') {
+ $idx->{$item} = $counters{$tail};
+ }
+ if (ref($jsarray) eq 'ARRAY') {
+ push(@{$jsarray->[$counters{$tail}]},$item);
+ }
+ }
+ return;
+}
+
+=pod
+
+=item * &extract_categories()
+
+Used to generate breadcrumb trails for course categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+trails (reference to array of breacrumb trails for each category).
+
+allitems (reference to hash - key is category key
+ (format: escaped(name):escaped(parent category):depth in hierarchy).
+
+idx (reference to hash of counters used in Domain Coordinator interface for
+ editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+ Domain Coordinator interface for editing Course Categories).
+
+subcats (reference to hash of arrays containing all subcategories within each
+ category, -recursive)
+
+Returns: nothing
+
+Side effects: populates trails and allitems hash references.
+
+=cut
+
+sub extract_categories {
+ my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
+ if (ref($categories) eq 'HASH') {
+ &gather_categories($categories,$cats,$idx,$jsarray);
+ if (ref($cats->[0]) eq 'ARRAY') {
+ for (my $i=0; $i<@{$cats->[0]}; $i++) {
+ my $name = $cats->[0][$i];
+ my $item = &escape($name).'::0';
+ my $trailstr;
+ if ($name eq 'instcode') {
+ $trailstr = &mt('Official courses (with institutional codes)');
+ } elsif ($name eq 'communities') {
+ $trailstr = &mt('Communities');
+ } else {
+ $trailstr = $name;
+ }
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ my @parents = ($name);
+ if (ref($cats->[1]{$name}) eq 'ARRAY') {
+ for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
+ my $category = $cats->[1]{$name}[$j];
+ if (ref($subcats) eq 'HASH') {
+ push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
+ }
+ &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
+ }
+ } else {
+ if (ref($subcats) eq 'HASH') {
+ $subcats->{$item} = [];
+ }
+ }
+ }
+ }
+ }
+ return;
+}
+
+=pod
+
+=item *&recurse_categories()
+
+Recursively used to generate breadcrumb trails for course categories.
+
+Inputs:
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
+
+category (current course category, for which breadcrumb trail is being generated).
+
+trails (reference to array of breadcrumb trails for each category).
+
+allitems (reference to hash - key is category key
+ (format: escaped(name):escaped(parent category):depth in hierarchy).
+
+parents (array containing containers directories for current category,
+ back to top level).
+
+Returns: nothing
+
+Side effects: populates trails and allitems hash references
+
+=cut
+
+sub recurse_categories {
+ my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
+ my $shallower = $depth - 1;
+ if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
+ for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
+ my $name = $cats->[$depth]{$category}[$k];
+ my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+ my $trailstr = join(' -> ',(@{$parents},$category));
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ my $deeper = $depth+1;
+ push(@{$parents},$category);
+ if (ref($subcats) eq 'HASH') {
+ my $subcat = &escape($name).':'.$category.':'.$depth;
+ for (my $j=@{$parents}; $j>=0; $j--) {
+ my $higher;
+ if ($j > 0) {
+ $higher = &escape($parents->[$j]).':'.
+ &escape($parents->[$j-1]).':'.$j;
+ } else {
+ $higher = &escape($parents->[$j]).'::'.$j;
+ }
+ push(@{$subcats->{$higher}},$subcat);
+ }
+ }
+ &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
+ $subcats);
+ pop(@{$parents});
+ }
+ } else {
+ my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+ my $trailstr = join(' -> ',(@{$parents},$category));
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ }
+ return;
+}
+
+=pod
+
+=item *&assign_categories_table()
+
+Create a datatable for display of hierarchical categories in a domain,
+with checkboxes to allow a course to be categorized.
+
+Inputs:
+
+cathash - reference to hash of categories defined for the domain (from
+ configuration.db)
+
+currcat - scalar with an & separated list of categories assigned to a course.
+
+type - scalar contains course type (Course or Community).
+
+Returns: $output (markup to be displayed)
+
+=cut
+
+sub assign_categories_table {
+ my ($cathash,$currcat,$type) = @_;
+ my $output;
+ if (ref($cathash) eq 'HASH') {
+ my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
+ &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
+ $maxdepth = scalar(@cats);
+ if (@cats > 0) {
+ my $itemcount = 0;
+ if (ref($cats[0]) eq 'ARRAY') {
+ my @currcategories;
+ if ($currcat ne '') {
+ @currcategories = split('&',$currcat);
+ }
+ my $table;
+ for (my $i=0; $i<@{$cats[0]}; $i++) {
+ my $parent = $cats[0][$i];
+ next if ($parent eq 'instcode');
+ if ($type eq 'Community') {
+ next unless ($parent eq 'communities');
+ } else {
+ next if ($parent eq 'communities');
+ }
+ my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+ my $item = &escape($parent).'::0';
+ my $checked = '';
+ if (@currcategories > 0) {
+ if (grep(/^\Q$item\E$/,@currcategories)) {
+ $checked = ' checked="checked"';
+ }
+ }
+ my $parent_title = $parent;
+ if ($parent eq 'communities') {
+ $parent_title = &mt('Communities');
+ }
+ $table .= ''.
+ ' '.
+ ''.
+ &Apache::lonnet::assigncustomrole(
+ $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
+ ' '.$result.' '.$linefeed.
+ &mt('Add to classlist').': ok ';
+ }
+ $output .= $linefeed;
+ }
+ } else {
+ $output = &mt('Assigning').' '.$three.' in '.$url.
+ ($start?', '.&mt('starting').' '.localtime($start):'').
+ ($end?', '.&mt('ending').' '.localtime($end):'').': ';
+ my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
+ if ($context eq 'auto') {
+ $output .= $result.$linefeed;
+ } else {
+ $output .= ''.$result.' '.$linefeed;
+ }
+ }
+ return $output;
+}
+
+sub commit_studentrole {
+ my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+ my ($result,$linefeed,$oldsecurl,$newsecurl);
+ if ($context eq 'auto') {
+ $linefeed = "\n";
+ } else {
+ $linefeed = ''.$clonemsg.' ';
+ }
+ }
+ $outcome .= $clonemsg.$linefeed;
+
+ if (!$can_clone) {
+ return (0,$outcome);
+ }
+ }
+
+#
+# Open course
+#
+ my $crstype = lc($args->{'crstype'});
+ my %cenv=();
+ $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
+ $args->{'cdescr'},
+ $args->{'curl'},
+ $args->{'course_home'},
+ $args->{'nonstandard'},
+ $args->{'crscode'},
+ $args->{'ccuname'}.':'.
+ $args->{'ccdomain'},
+ $args->{'crstype'},
+ $cnum,$context,$category);
+
+ # Note: The testing routines depend on this being output; see
+ # Utils::Course. This needs to at least be output as a comment
+ # if anyone ever decides to not show this, and Utils::Course::new
+ # will need to be suitably modified.
+ $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+#
+# Check if created correctly
+#
+ ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
+ my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
+ $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
+
+#
+# Do the cloning
+#
+ if ($can_clone && $cloneid) {
+ $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
+ if ($context ne 'auto') {
+ $clonemsg = ''.$clonemsg.' ';
+ }
+ $outcome .= $clonemsg.$linefeed;
+ my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
+# Copy all files
+ &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
+# Restore URL
+ $cenv{'url'}=$oldcenv{'url'};
+# Restore title
+ $cenv{'description'}=$oldcenv{'description'};
+# Mark as cloned
+ $cenv{'clonedfrom'}=$cloneid;
+# Need to clone grading mode
+ my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
+ $cenv{'grading'}=$newenv{'grading'};
+# Do not clone these environment entries
+ &Apache::lonnet::del('environment',
+ ['default_enrollment_start_date',
+ 'default_enrollment_end_date',
+ 'question.email',
+ 'policy.email',
+ 'comment.email',
+ 'pch.users.denied',
+ 'plc.users.denied',
+ 'hidefromcat',
+ 'categories'],
+ $$crsudom,$$crsunum);
+ }
+
+#
+# Set environment (will override cloned, if existing)
+#
+ my @sections = ();
+ my @xlists = ();
+ if ($args->{'crstype'}) {
+ $cenv{'type'}=$args->{'crstype'};
+ }
+ if ($args->{'crsid'}) {
+ $cenv{'courseid'}=$args->{'crsid'};
+ }
+ if ($args->{'crscode'}) {
+ $cenv{'internal.coursecode'}=$args->{'crscode'};
+ }
+ if ($args->{'crsquota'} ne '') {
+ $cenv{'internal.coursequota'}=$args->{'crsquota'};
+ } else {
+ $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
+ }
+ if ($args->{'ccuname'}) {
+ $cenv{'internal.courseowner'} = $args->{'ccuname'}.
+ ':'.$args->{'ccdomain'};
+ } else {
+ $cenv{'internal.courseowner'} = $args->{'curruser'};
+ }
+ my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
+ if ($args->{'crssections'}) {
+ $cenv{'internal.sectionnums'} = '';
+ if ($args->{'crssections'} =~ m/,/) {
+ @sections = split/,/,$args->{'crssections'};
+ } else {
+ $sections[0] = $args->{'crssections'};
+ }
+ if (@sections > 0) {
+ foreach my $item (@sections) {
+ my ($sec,$gp) = split/:/,$item;
+ my $class = $args->{'crscode'}.$sec;
+ my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
+ $cenv{'internal.sectionnums'} .= $item.',';
+ unless ($addcheck eq 'ok') {
+ push @badclasses, $class;
+ }
+ }
+ $cenv{'internal.sectionnums'} =~ s/,$//;
+ }
+ }
+# do not hide course coordinator from staff listing,
+# even if privileged
+ $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+# add crosslistings
+ if ($args->{'crsxlist'}) {
+ $cenv{'internal.crosslistings'}='';
+ if ($args->{'crsxlist'} =~ m/,/) {
+ @xlists = split/,/,$args->{'crsxlist'};
+ } else {
+ $xlists[0] = $args->{'crsxlist'};
+ }
+ if (@xlists > 0) {
+ foreach my $item (@xlists) {
+ my ($xl,$gp) = split/:/,$item;
+ my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
+ $cenv{'internal.crosslistings'} .= $item.',';
+ unless ($addcheck eq 'ok') {
+ push @badclasses, $xl;
+ }
+ }
+ $cenv{'internal.crosslistings'} =~ s/,$//;
+ }
+ }
+ if ($args->{'autoadds'}) {
+ $cenv{'internal.autoadds'}=$args->{'autoadds'};
+ }
+ if ($args->{'autodrops'}) {
+ $cenv{'internal.autodrops'}=$args->{'autodrops'};
+ }
+# check for notification of enrollment changes
+ my @notified = ();
+ if ($args->{'notify_owner'}) {
+ if ($args->{'ccuname'} ne '') {
+ push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
+ }
+ }
+ if ($args->{'notify_dc'}) {
+ if ($uname ne '') {
+ push(@notified,$uname.':'.$udom);
+ }
+ }
+ if (@notified > 0) {
+ my $notifylist;
+ if (@notified > 1) {
+ $notifylist = join(',',@notified);
+ } else {
+ $notifylist = $notified[0];
+ }
+ $cenv{'internal.notifylist'} = $notifylist;
+ }
+ if (@badclasses > 0) {
+ my %lt=&Apache::lonlocal::texthash(
+ 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
+ 'dnhr' => 'does not have rights to access enrollment in these classes',
+ 'adby' => 'as determined by the policies of your institution on access to official classlists'
+ );
+ my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
+ ' ('.$lt{'adby'}.')';
+ if ($context eq 'auto') {
+ $outcome .= $badclass_msg.$linefeed;
+ $outcome .= ''.$badclass_msg.$linefeed.'
'."\n";
+ foreach my $item (@badclasses) {
+ if ($context eq 'auto') {
+ $outcome .= " - $item\n";
+ } else {
+ $outcome .= "$item \n";
+ }
+ }
+ if ($context eq 'auto') {
+ $outcome .= $linefeed;
+ } else {
+ $outcome .= " '.$krb_msg.' ';
+ }
+ $outcome .= $linefeed;
+ }
+ }
+ if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
+ if ($args->{'setpolicy'}) {
+ $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+ }
+ if ($args->{'setcontent'}) {
+ $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+ }
+ }
+ if ($args->{'reshome'}) {
+ $cenv{'reshome'}=$args->{'reshome'}.'/';
+ $cenv{'reshome'}=~s/\/+$/\//;
+ }
+#
+# course has keyed access
+#
+ if ($args->{'setkeys'}) {
+ $cenv{'keyaccess'}='yes';
+ }
+# if specified, key authority is not course, but user
+# only active if keyaccess is yes
+ if ($args->{'keyauth'}) {
+ my ($user,$domain) = split(':',$args->{'keyauth'});
+ $user = &LONCAPA::clean_username($user);
+ $domain = &LONCAPA::clean_username($domain);
+ if ($user ne '' && $domain ne '') {
+ $cenv{'keyauth'}=$user.':'.$domain;
+ }
+ }
+
+ if ($args->{'disresdis'}) {
+ $cenv{'pch.roles.denied'}='st';
+ }
+ if ($args->{'disablechat'}) {
+ $cenv{'plc.roles.denied'}='st';
+ }
+
+ # Record we've not yet viewed the Course Initialization Helper for this
+ # course
+ $cenv{'course.helper.not.run'} = 1;
+ #
+ # Use new Randomseed
+ #
+ $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
+ $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
+ #
+ # The encryption code and receipt prefix for this course
+ #
+ $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
+ $cenv{'internal.encpref'}=100+int(9*rand(99));
+ #
+ # By default, use standard grading
+ if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
+
+ $outcome .= $linefeed.&mt('Setting environment').': '.
+ &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
+#
+# Open all assignments
+#
+ if ($args->{'openall'}) {
+ my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
+ my %storecontent = ($storeunder => time,
+ $storeunder.'.type' => 'date_start');
+
+ $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
+ ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
+ }
+#
+# Set first page
+#
+ unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
+ || ($cloneid)) {
+ use LONCAPA::map;
+ $outcome .= &mt('Setting first resource').': ';
+
+ my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
+ my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
+
+ $outcome .= ($fatal?$errtext:'read ok').' - ';
+ my $title; my $url;
+ if ($args->{'firstres'} eq 'syl') {
+ $title=&mt('Syllabus');
+ $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
+ } else {
+ $title=&mt('Navigate Contents');
+ $url='/adm/navmaps';
+ }
+
+ $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
+ (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
+
+ if ($errtext) { $fatal=2; }
+ $outcome .= ($fatal?$errtext:'write ok').$linefeed;
+ }
+
+ return (1,$outcome);
+}
+
+############################################################
+############################################################
+
+sub course_type {
+ my ($cid) = @_;
+ if (!defined($cid)) {
+ $cid = $env{'request.course.id'};
+ }
+ if (defined($env{'course.'.$cid.'.type'})) {
+ return $env{'course.'.$cid.'.type'};
+ } else {
+ return 'Course';
+ }
+}
+
+sub group_term {
+ my $crstype = &course_type();
+ my %names = (
+ 'Course' => 'group',
+ 'Community' => 'group',
+ );
+ return $names{$crstype};
+}
+
+sub course_types {
+ my @types = ('official','unofficial','community');
+ my %typename = (
+ official => 'Official course',
+ unofficial => 'Unofficial course',
+ community => 'Community',
+ );
+ return (\@types,\%typename);
+}
+
+sub icon {
+ my ($file)=@_;
+ my $curfext = lc((split(/\./,$file))[-1]);
+ my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
+ my $embstyle = &Apache::loncommon::fileembstyle($curfext);
+ if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
+ if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
+ $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif") {
+ $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif";
+ }
+ }
+ return &lonhttpdurl($iconname);
+}
+
+sub lonhttpdurl {
+#
+# Had been used for "small fry" static images on separate port 8080.
+# Modify here if lightweight http functionality desired again.
+# Currently eliminated due to increasing firewall issues.
+#
+ my ($url)=@_;
+ return $url;
+}
+
+sub connection_aborted {
+ my ($r)=@_;
+ $r->print(" ");$r->rflush();
+ my $c = $r->connection;
+ return $c->aborted();
+}
+
+# Escapes strings that may have embedded 's that will be put into
+# strings as 'strings'.
+sub escape_single {
+ my ($input) = @_;
+ $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
+ $input =~ s/\'/\\\'/g; # Esacpe the 's....
+ return $input;
+}
+
+# Same as escape_single, but escape's "'s This
+# can be used for "strings"
+sub escape_double {
+ my ($input) = @_;
+ $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
+ $input =~ s/\"/\\\"/g; # Esacpe the "s....
+ return $input;
+}
+
+# Escapes the last element of a full URL.
+sub escape_url {
+ my ($url) = @_;
+ my @urlslices = split(/\//, $url,-1);
+ my $lastitem = &escape(pop(@urlslices));
+ return join('/',@urlslices).'/'.$lastitem;
+}
+
+sub compare_arrays {
+ my ($arrayref1,$arrayref2) = @_;
+ my (@difference,%count);
+ @difference = ();
+ %count = ();
+ if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
+ foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
+ foreach my $element (keys(%count)) {
+ if ($count{$element} == 1) {
+ push(@difference,$element);
+ }
+ }
+ }
+ return @difference;
+}
+
+# -------------------------------------------------------- Initialize user login
+sub init_user_environment {
+ my ($r, $username, $domain, $authhost, $form, $args) = @_;
+ my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
+
+ my $public=($username eq 'public' && $domain eq 'public');
+
+# See if old ID present, if so, remove
+
+ my ($filename,$cookie,$userroles);
+ my $now=time;
+
+ if ($public) {
+ my $max_public=100;
+ my $oldest;
+ my $oldest_time=0;
+ for(my $next=1;$next<=$max_public;$next++) {
+ if (-e $lonids."/publicuser_$next.id") {
+ my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
+ if ($mtime<$oldest_time || !$oldest_time) {
+ $oldest_time=$mtime;
+ $oldest=$next;
+ }
+ } else {
+ $cookie="publicuser_$next";
+ last;
+ }
+ }
+ if (!$cookie) { $cookie="publicuser_$oldest"; }
+ } else {
+ # if this isn't a robot, kill any existing non-robot sessions
+ if (!$args->{'robot'}) {
+ opendir(DIR,$lonids);
+ while ($filename=readdir(DIR)) {
+ if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
+ unlink($lonids.'/'.$filename);
+ }
+ }
+ closedir(DIR);
+ }
+# Give them a new cookie
+ my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
+ : $now.$$.int(rand(10000)));
+ $cookie="$username\_$id\_$domain\_$authhost";
+
+# Initialize roles
+
+ $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
+ }
+# ------------------------------------ Check browser type and MathML capability
+
+ my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
+ $clientunicode,$clientos) = &decode_user_agent($r);
+
+# ------------------------------------------------------------- Get environment
+
+ my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
+ my ($tmp) = keys(%userenv);
+ if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
+ # default remote control to off
+ if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
+ } else {
+ undef(%userenv);
+ }
+ if (($userenv{'interface'}) && (!$form->{'interface'})) {
+ $form->{'interface'}=$userenv{'interface'};
+ }
+ $env{'environment.remote'}=$userenv{'remote'};
+ if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
+
+# --------------- Do not trust query string to be put directly into environment
+ foreach my $option ('interface','localpath','localres') {
+ $form->{$option}=~s/[\n\r\=]//gs;
+ }
+# --------------------------------------------------------- Write first profile
+
+ {
+ my %initial_env =
+ ("user.name" => $username,
+ "user.domain" => $domain,
+ "user.home" => $authhost,
+ "browser.type" => $clientbrowser,
+ "browser.version" => $clientversion,
+ "browser.mathml" => $clientmathml,
+ "browser.unicode" => $clientunicode,
+ "browser.os" => $clientos,
+ "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
+ "request.course.fn" => '',
+ "request.course.uri" => '',
+ "request.course.sec" => '',
+ "request.role" => 'cm',
+ "request.role.adv" => $env{'user.adv'},
+ "request.host" => $ENV{'REMOTE_ADDR'},);
+
+ if ($form->{'localpath'}) {
+ $initial_env{"browser.localpath"} = $form->{'localpath'};
+ $initial_env{"browser.localres"} = $form->{'localres'};
+ }
+
+ if ($public) {
+ $initial_env{"environment.remote"} = "off";
+ }
+ if ($form->{'interface'}) {
+ $form->{'interface'}=~s/\W//gs;
+ $initial_env{"browser.interface"} = $form->{'interface'};
+ $env{'browser.interface'}=$form->{'interface'};
+ }
+
+ foreach my $tool ('aboutme','blog','portfolio') {
+ $userenv{'availabletools.'.$tool} =
+ &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
+ }
+
+ foreach my $crstype ('official','unofficial','community') {
+ $userenv{'canrequest.'.$crstype} =
+ &Apache::lonnet::usertools_access($username,$domain,$crstype,
+ 'reload','requestcourses');
+ }
+
+ $env{'user.environment'} = "$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($args->{'extra_env'})) {
+ &_add_to_env(\%disk_env,$args->{'extra_env'});
+ }
+ untie(%disk_env);
+ } else {
+ &Apache::lonnet::logthis("WARNING: ".
+ 'Could not create environment storage in lonauth: '.$!.' ');
+ return 'error: '.$!;
+ }
+ }
+ $env{'request.role'}='cm';
+ $env{'request.role.adv'}=$env{'user.adv'};
+ $env{'browser.type'}=$clientbrowser;
+
+ return $cookie;
+
+}
+
+sub _add_to_env {
+ my ($idf,$env_data,$prefix) = @_;
+ if (ref($env_data) eq 'HASH') {
+ while (my ($key,$value) = each(%$env_data)) {
+ $idf->{$prefix.$key} = $value;
+ $env{$prefix.$key} = $value;
+ }
+ }
+}
+
+# --- Get the symbolic name of a problem and the url
+sub get_symb {
+ my ($request,$silent) = @_;
+ (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+ 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:.");
+ return ();
+ }
+ }
+ &Apache::lonenc::check_decrypt(\$symb);
+ return ($symb);
+}
+
+# --------------------------------------------------------------Get annotation
+
+sub get_annotation {
+ my ($symb,$enc) = @_;
+
+ my $key = $symb;
+ if (!$enc) {
+ $key =
+ &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
+ }
+ my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
+ return $annotation{$key};
+}
+
+sub clean_symb {
+ my ($symb,$delete_enc) = @_;
+
+ &Apache::lonenc::check_decrypt(\$symb);
+ my $enc = $env{'request.enc'};
+ if ($delete_enc) {
+ delete($env{'request.enc'});
+ }
+
+ return ($symb,$enc);
+}
+
+=pod
+
+=back
+
+=cut
+
1;
__END__;
+