--- loncom/interface/loncommon.pm 2013/12/30 01:57:04 1.1075.2.61 +++ loncom/interface/loncommon.pm 2014/03/13 14:46:46 1.1181 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1075.2.61 2013/12/30 01:57:04 raeburn Exp $ +# $Id: loncommon.pm,v 1.1181 2014/03/13 14:46:46 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -72,8 +72,11 @@ use Apache::lonuserstate(); use LONCAPA qw(:DEFAULT :match); use DateTime::TimeZone; use DateTime::Locale::Catalog; +use Text::Aspell; use Authen::Captcha; use Captcha::reCAPTCHA; +use Crypt::DES; +use DynaLoader; # for Crypt::DES version # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -158,6 +161,7 @@ sub ssi_with_retries { # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; +my %supported_codes; my %latex_language; # For choosing hyphenation in my %latex_language_bykey; # for choosing hyphenation from metadata my %cprtag; @@ -192,14 +196,15 @@ BEGIN { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); - my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line)); + my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line)); $language{$key}=$val.' - '.$enc; if ($sup) { $supported_language{$key}=$sup; + $supported_codes{$key} = $code; } if ($latex) { $latex_language_bykey{$key} = $latex; - $latex_language{$two} = $latex; + $latex_language{$code} = $latex; } } close($fh); @@ -663,7 +668,7 @@ if (!Array.prototype.indexOf) { var n = 0; if (arguments.length > 0) { n = Number(arguments[1]); - if (n !== n) { // shortcut for verifying if it's NaN + if (n !== n) { // shortcut for verifying if it is NaN n = 0; } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) { n = (n > 0 || -1) * Math.floor(Math.abs(n)); @@ -899,12 +904,12 @@ sub check_uncheck_jscript { function checkAll(field) { if (field.length > 0) { for (i = 0; i < field.length; i++) { - if (!field[i].disabled) { + if (!field[i].disabled) { field[i].checked = true; } } } else { - if (!field.disabled) { + if (!field.disabled) { field.checked = true; } } @@ -1014,6 +1019,33 @@ sub select_language { =pod + +=item * &list_languages() + +Returns an array reference that is suitable for use in language prompters. +Each array element is itself a two element array. The first element +is the language code. The second element a descsriptiuon of the +language itself. This is suitable for use in e.g. +&Apache::edit::select_arg (once dereferenced that is). + +=cut + +sub list_languages { + my @lang_choices; + + foreach my $id (&languageids()) { + my $code = &supportedlanguagecode($id); + if ($code) { + my $selector = $supported_codes{$id}; + my $description = &plainlanguagedescription($id); + push (@lang_choices, [$selector, $description]); + } + } + return \@lang_choices; +} + +=pod + =item * &linked_select_forms(...) linked_select_forms returns a string containing a block @@ -1234,11 +1266,7 @@ sub help_open_topic { $topic=~s/\W/\_/g; if (!$stayOnPage) { - if ($env{'browser.mobile'}) { - $link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');"; - } else { - $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))"; - } + $link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');"; } elsif ($stayOnPage eq 'popup') { $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))"; } else { @@ -1352,10 +1380,8 @@ sub help_open_menu { sub top_nav_help { my ($text) = @_; $text = &mt($text); - my $stay_on_page; - unless ($env{'environment.remote'} eq 'on') { - $stay_on_page = 1; - } + my $stay_on_page = 1; + my ($link,$banner_link); unless ($env{'request.noversionuri'} =~ m{^/adm/helpmenu}) { $link = ($stay_on_page) ? "javascript:helpMenu('display')" @@ -1385,9 +1411,9 @@ sub help_menu_js { &Apache::loncommon::start_page('Help Menu', undef, {'frameset' => 1, 'js_ready' => 1, - 'use_absolute' => $httphost, + 'use_absolute' => $httphost, 'add_entries' => { - 'border' => '0', + 'border' => '0', 'rows' => "110,*",},}); my $end_page = &Apache::loncommon::end_page({'frameset' => 1, @@ -2189,7 +2215,7 @@ The optional $onchange argument specifie The optional $incdoms is a reference to an array of domains which will be the only available options. -The optional $excdoms is a reference to an array of domains which will be excluded from the available options. +The optional $excdoms is a reference to an array of domains which will be excluded from the available options. =cut @@ -2207,7 +2233,7 @@ sub select_dom_form { } if ($includeempty) { @domains=('',@domains); } if (ref($excdoms) eq 'ARRAY') { - map { $exclude{$_} = 1; } @{$excdoms}; + map { $exclude{$_} = 1; } @{$excdoms}; } my $selectdomain = "'. + &Apache::lonnet::domain($codedom,'description'); + } else { + $domainselectform = &select_dom_form($filter->{$item}, + 'domainfilter', + $allow_blank,'',$onchange); + } + } else { + $list->{$item} = &HTML::Entities::encode($filter->{$item},'<>&"'); + } + } + + # last course activity filter and selection + $sincefilterform = &timebased_select_form('sincefilter',$filter); + + # course created filter and selection + if (exists($filter->{'createdfilter'})) { + $createdfilterform = &timebased_select_form('createdfilter',$filter); + } + + my %lt = &Apache::lonlocal::texthash( + 'cac' => "$crstype Activity", + 'ccr' => "$crstype Created", + 'cde' => "$crstype Title", + 'cdo' => "$crstype Domain", + 'ins' => 'Institutional Code', + 'inc' => 'Institutional Categorization', + 'cow' => "$crstype Owner/Co-owner", + 'cop' => "$crstype Personnel Includes", + 'cog' => 'Type', + ); + + if (($formname eq 'ccrs') || ($formname eq 'requestcrs')) { + my $typeval = 'Course'; + if ($crstype eq 'Community') { + $typeval = 'Community'; + } + $typeselectform = ''; + } else { + $typeselectform = '"; + } + + my ($cloneableonlyform,$cloneabletitle); + if (exists($filter->{'cloneableonly'})) { + my $cloneableon = ''; + my $cloneableoff = ' checked="checked"'; + if ($filter->{'cloneableonly'}) { + $cloneableon = $cloneableoff; + $cloneableoff = ''; + } + $cloneableonlyform = ''.(' 'x3).''; + if ($formname eq 'ccrs') { + $cloneabletitle = &mt('Cloneable for').' '.$cloneruname.':'.$clonerudom; + } else { + $cloneabletitle = &mt('Cloneable by you'); + } + } + my $officialjs; + if ($crstype eq 'Course') { + if (exists($filter->{'instcodefilter'})) { + if (($fixeddom) || ($formname eq 'requestcrs') + || ($formname eq 'modifycourse')) { + $officialjs = 1; + ($instcodeform,$jscript,$$numtitlesref) = + &Apache::courseclassifier::instcode_selectors($codedom,'filterpicker', + $officialjs,$codetitlesref); + if ($jscript) { + $jscript = ''."\n"; + } + } + if ($instcodeform eq '') { + $instcodeform = + ''; + $instcodetitle = $lt{'ins'}; + } else { + $instcodetitle = $lt{'inc'}; + } + if ($fixeddom) { + $instcodetitle .= '
('.$codedom.')'; + } + } + } + my $output = qq| +
+ +|; + if ($formname eq 'modifycourse') { + $output .= ''."\n". + ''."\n"; + } else { + my $name_input; + if ($cnameelement ne '') { + $name_input = ''; + } + $output .= qq| + + +$name_input +$roleelement +$multelement +$typeelement +|; + if ($formname eq 'portform') { + $output .= ''."\n"; + } + } + if ($fixeddom) { + $output .= ''."\n"; + } + $output .= "
\n".&Apache::lonhtmlcommon::start_pick_box(); + if ($sincefilterform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cac'}) + .$sincefilterform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($createdfilterform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'ccr'}) + .$createdfilterform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($domainselectform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cdo'}) + .$domainselectform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($typeselectform) { + if (($formname eq 'ccrs') || ($formname eq 'requestcrs')) { + $output .= $typeselectform; + } else { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cog'}) + .$typeselectform + .&Apache::lonhtmlcommon::row_closure(); + } + } + if ($instcodeform) { + $output .= &Apache::lonhtmlcommon::row_title($instcodetitle) + .$instcodeform + .&Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'ownerfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cow'}). + '
'.&mt('Username').'
'. + '		'.&mt('Domain').'
'. + $ownerdomselectform.'
'. + &Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'personfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cop'}). + '
'.&mt('Username').'
'. + '		'.&mt('Domain').'
'. + $persondomselectform.'
'. + &Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'coursefilter'})) { + $output .= &Apache::lonhtmlcommon::row_title(&mt('LON-CAPA course ID')) + .'' + .&Apache::lonhtmlcommon::row_closure(); + } + if ($cloneableonlyform) { + $output .= &Apache::lonhtmlcommon::row_title($cloneabletitle). + $cloneableonlyform.&Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'descriptfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cde'}) + .'' + .&Apache::lonhtmlcommon::row_closure(1); + } + $output .= &Apache::lonhtmlcommon::end_pick_box().'

'.$clonetext."\n". + ''."\n". + '

'."\n".'
'."\n".'
'."\n"; + return $jscript.$clonewarning.$output; +} + +=pod + +=item * &timebased_select_form() + +Create markup for an option response item used to select a time-based +filter e.g., Course Activity, Course Created, when searching for courses +or communities + +Inputs: + +item - name of form element (sincefilter or createdfilter) + +filter - anonymous hash of criteria and their values + +Returns: HTML for a select box contained a blank, then six time selections, + with value set in incoming form variables currently selected. + +Side Effects: None + +=cut + +sub timebased_select_form { + my ($item,$filter) = @_; + if (ref($filter) eq 'HASH') { + $filter->{$item} =~ s/[^\d-]//g; + if (!$filter->{$item}) { $filter->{$item}=-1; } + return &select_form( + $filter->{$item}, + $item, + { '-1' => '', + '86400' => &mt('today'), + '604800' => &mt('last week'), + '2592000' => &mt('last month'), + '7776000' => &mt('last three months'), + '15552000' => &mt('last six months'), + '31104000' => &mt('last year'), + 'select_form_order' => + ['-1','86400','604800','2592000','7776000', + '15552000','31104000']}); + } +} + +=pod + +=item * &js_changer() + +Create script tag containing Javascript used to submit course search form +when course type or domain is changed. + +Inputs: None + +Returns: markup containing updateFilters() javascript function. + +Side Effects: None + +=cut + +sub js_changer { + return < +// + + +ENDJS +} + +=pod + +=back + +=cut + + sub build_release_hashes { my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_; return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') && @@ -14891,7 +15301,7 @@ sub captcha_display { $error = 'recaptcha'; } } - return ($output,$error); + return ($output,$error,$captcha); } sub captcha_response { @@ -14967,8 +15377,9 @@ sub create_captcha { if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') { $output = ''."\n". &mt('Type in the letters/numbers shown below').' '. - '
'. - ''; + ''. + '
'. + 'captcha'; last; } } @@ -15038,6 +15449,19 @@ sub check_recaptcha { return $captcha_chk; } +sub emailusername_info { + my @fields = ('firstname','lastname','institution','web','location','officialemail'); + my %titles = &Apache::lonlocal::texthash ( + lastname => 'Last Name', + firstname => 'First Name', + institution => 'School/college/university', + location => "School's city, state/province, country", + web => "School's web address", + officialemail => 'E-mail address at institution (if different)', + ); + return (\@fields,\%titles); +} + sub cleanup_html { my ($incoming) = @_; my $outgoing; @@ -15060,11 +15484,47 @@ sub cleanup_html { return $outgoing; } -=pod - -=back - -=cut +# Use: +# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver); +# +################################################## +# password associated functions # +################################################## +sub des_keys { + # Make a new key for DES encryption. + # Each key has two parts which are returned separately. + # Please note: Each key must be passed through the &hex function + # before it is output to the web browser. The hex versions cannot + # be used to decrypt. + my @hexstr=('0','1','2','3','4','5','6','7', + '8','9','a','b','c','d','e','f'); + my $lkey=''; + for (0..7) { + $lkey.=$hexstr[rand(15)]; + } + my $ukey=''; + for (0..7) { + $ukey.=$hexstr[rand(15)]; + } + return ($lkey,$ukey); +} + +sub des_decrypt { + my ($key,$cyphertext) = @_; + my $keybin=pack("H16",$key); + my $cypher; + if ($Crypt::DES::VERSION>=2.03) { + $cypher=new Crypt::DES $keybin; + } else { + $cypher=new DES $keybin; + } + my $plaintext= + $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16)))); + $plaintext.= + $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16)))); + $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) ); + return $plaintext; +} 1; __END__;