--- loncom/interface/lonpreferences.pm 2001/01/03 16:20:59 1.1 +++ loncom/interface/lonpreferences.pm 2007/04/13 13:39:32 1.98 @@ -1,41 +1,1635 @@ # The LearningOnline Network # Preferences # -# (Internal Server Error Handler +# $Id: lonpreferences.pm,v 1.98 2007/04/13 13:39:32 www Exp $ # -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) +# Copyright Michigan State University Board of Trustees # -# 3/1/1 Gerd Kortemeyer) +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). # -# 3/1 Gerd Kortemeyer +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. # +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# +# This package uses the "londes.js" javascript code. +# +# TODOs that have to be completed: +# interface with lonnet to change the password + package Apache::lonpreferences; use strict; +use LONCAPA; use Apache::Constants qw(:common); +use Apache::File; +use Crypt::DES; +use DynaLoader; # for Crypt::DES version +use Apache::loncommon(); +use Apache::lonhtmlcommon(); +use Apache::lonlocal; +use Apache::lonnet; +use LONCAPA(); + +# +# Write lonnet::passwd to do the call below. +# 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; +} + +################################################################ +# Handler subroutines # +################################################################ + +################################################################ +# Language Change Subroutines # +################################################################ + +sub wysiwygchanger { + my $r = shift; + my %userenv = &Apache::lonnet::get + ('environment',['wysiwygeditor']); + my $onselect='checked="checked"'; + my $offselect=''; + if ($userenv{'wysiwygeditor'} eq 'on') { + $onselect=''; + $offselect='checked="checked"'; + } + my $switchoff=&mt('Disable WYSIWYG editor'); + my $switchon=&mt('Enable WYSIWYG editor'); + $r->print(< + +
+
+ +ENDLSCREEN + $r->print('
'); +} + + +sub verify_and_change_wysiwyg { + my $r = shift; + my $newsetting=$env{'form.wysiwyg'}; + &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting}); + &Apache::lonnet::appenv('environment.wysiwygeditor' => $newsetting); + $r->print('

'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'

'); +} + +################################################################ +# Language Change Subroutines # +################################################################ +sub languagechanger { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my %userenv = &Apache::lonnet::get + ('environment',['languages']); + my $language=$userenv{'languages'}; + + my $pref=&mt('Preferred language'); + my %langchoices=('' => 'No language preference'); + foreach (&Apache::loncommon::languageids()) { + if (&Apache::loncommon::supportedlanguagecode($_)) { + $langchoices{&Apache::loncommon::supportedlanguagecode($_)} + = &Apache::loncommon::plainlanguagedescription($_); + } + } + my $selectionbox=&Apache::loncommon::select_form($language,'language', + %langchoices); + $r->print(< + +
$pref: $selectionbox +ENDLSCREEN + $r->print('
'); +} + + +sub verify_and_change_languages { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Screenname + my $newlanguage = $env{'form.language'}; + $newlanguage=~s/[^\-\w]//g; + my $message=''; + if ($newlanguage) { + &Apache::lonnet::put('environment',{'languages' => $newlanguage}); + &Apache::lonnet::appenv('environment.languages' => $newlanguage); + $message='Set new preferred languages to '.$newlanguage; + } else { + &Apache::lonnet::del('environment',['languages']); + &Apache::lonnet::delenv('environment\.languages'); + $message='Reset preferred language'; + } + $r->print(< 'Default', + 'tth' => 'TeX to HTML', + #'ttm' => 'TeX to MathML', + 'jsMath' => 'jsMath', + 'mimetex' => 'Convert to Images' + ); + my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine', + %mathchoices); + my $jsMath_start=&Apache::lontexconvert::jsMath_header(); + my $change=&mt('Change'); + $r->print(< + +
+ +

$pref: $selectionbox

+

+
+Examples: +

TeX to HTML
+ +

+

jsMath
+$jsMath_start + + + +

+

Convert to Images
+
+ +

+ENDLSCREEN + if ($env{'environment.texengine'} ne 'jsMath') { + $r->print(''); + } +} + + +sub verify_and_change_texengine { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Screenname + my $newtexengine = $env{'form.texengine'}; + $newtexengine=~s/[^\-\w]//g; + if ($newtexengine eq 'ttm') { + &Apache::lonnet::appenv('browser.mathml' => 1); + } else { + if ($env{'environment.texengine'} eq 'ttm') { + &Apache::lonnet::appenv('browser.mathml' => 0); + } + } + my $message=''; + if ($newtexengine) { + &Apache::lonnet::put('environment',{'texengine' => $newtexengine}); + &Apache::lonnet::appenv('environment.texengine' => $newtexengine); + $message='Set new preferred math display to '.$newtexengine; + } else { + &Apache::lonnet::del('environment',['texengine']); + &Apache::lonnet::delenv('environment\.texengine'); + $message='Reset preferred math display.'; + } + + + $r->print(<".&mt('Freeze '.$role)."". + "".&mt($role)."". + &Apache::loncommon::end_data_table_header_row(). + "\n"; + my $count; + foreach $role_key (@sorted_roles) { + my $checked = ""; + my $value = $recent_roles{$role_key}; + if ($frozen_roles{$role_key}) { + $checked = "checked=\"checked\""; + } + $count++; + $roles_check_list .= + &Apache::loncommon::start_data_table_row(). + ''. + "". + "". + &Apache::loncommon::end_data_table_row(). "\n"; + } + $roles_check_list .= "\n"; + } + + $r->print(' +

'.&mt('Some LON-CAPA users have a long list of '.$lc_role.'s. The Recent '.$role.'s Hotlist feature keeps track of the last N '.$lc_role.'s which have been visited and places a table of these at the top of the '.$lc_role.'s page. People with very few '.$lc_role.'s should leave this feature disabled.').' +

+
+ +
+
'.&mt('Number of '.$role.'s in Hotlist:').' + +

'.&mt('This list below can be used to freeze '.$lc_role.'s on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').' +

+'.$roles_check_list.' +
+ +
'); +} + +sub rolespref_get_role_text { +# Get a line of text for each role + my ($roles) = @_; + my %roletext = (); + + foreach my $item (@$roles) { +# get course information + my ($role,$rest) = split(/\./, $item); + my $trole = ""; + $trole = &Apache::lonnet::plaintext($role); + my ($tdomain,$other,$tsection)= split(/\//,Apache::lonnet::declutter($rest)); + my $tother = '-'; + if ($role =~ /^(cc|st|in|ta|ep|cr)/ ) { + my %newhash=&Apache::lonnet::coursedescription($tdomain."_".$other); + $tother = " - ".$newhash{'description'}; + } elsif ($role =~ /dc/) { + $tother = ""; + } else { + $tother = " - $other"; + } + + my $section=""; + if ($tsection) { + $section = " - Section/Group: $tsection"; + } + $roletext{$item} = $tdomain." - ".$trole.$tother.$section; + } + return %roletext; +} + +sub verify_and_change_rolespref { + my $r = shift; + my $role = ($env{'user.adv'} ? 'Role' : 'Course'); + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Recent Roles Hotlist Flag + my $hotlist_flag = $env{'form.recentroles'}; + my $hotlist_n = $env{'form.recentrolesn'}; + my $message='
'; + if ($hotlist_flag) { + &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag}); + &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag); + $message=&mt('Recent '.$role.'s Hotlist is Enabled'); + } else { + &Apache::lonnet::del('environment',['recentroles']); + &Apache::lonnet::delenv('environment\.recentroles'); + $message=&mt('Recent '.$role.'s Hotlist is Disabled'); + } + if ($hotlist_n) { + &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n}); + &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n); + if ($hotlist_flag) { + $message.="
". + &mt('Display [_1] Most Recent '.$role.'s',$hotlist_n)."\n"; + } + } + +# Get list of froze roles and list of recent roles + my @freeze_list = &Apache::loncommon::get_env_multiple('form.freezeroles'); + my %freeze = (); + my %roletext = (); + + foreach my $key (@freeze_list) { + $freeze{$key}='1'; + } + + my %recent_roles = + &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'}); + my %frozen_roles = + &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'}); + my %role_text = &rolespref_get_role_text([keys(%recent_roles)]); + +# Unset any roles that were previously frozen but aren't in list + foreach my $role_key (sort(keys(%recent_roles))) { + if (($frozen_roles{$role_key}) && (!exists($freeze{$role_key}))) { + $message .= "
".&mt('Unfreezing '.$role.': [_1]',$role_text{$role_key})."\n"; + &Apache::lonhtmlcommon::store_recent('roles',$role_key,' ',0); + } + } + +# Freeze selected roles + foreach my $role_key (@freeze_list) { + if (!$frozen_roles{$role_key}) { + $message .= "
".&mt('Freezing '.$role.': [_1]',$role_text{$role_key})."\n"; + &Apache::lonhtmlcommon::store_recent('roles', + $role_key,' ',1); + } + } + $message .= "

\n"; + + $r->print(<print(< + +
New screenname (shown if you post anonymously): + +
New nickname (shown if you post non-anonymously): + + + +ENDSCREEN +} + +sub verify_and_change_screenname { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Screenname + my $newscreen = $env{'form.screenname'}; + $newscreen=~s/[^ \w]//g; + my $message=''; + if ($newscreen) { + &Apache::lonnet::put('environment',{'screenname' => $newscreen}); + &Apache::lonnet::appenv('environment.screenname' => $newscreen); + $message='Set new screenname to '.$newscreen; + } else { + &Apache::lonnet::del('environment',['screenname']); + &Apache::lonnet::delenv('environment\.screenname'); + $message='Reset screenname'; + } +# Nickname + $message.='
'; + $newscreen = $env{'form.nickname'}; + $newscreen=~s/[^ \w]//g; + if ($newscreen) { + &Apache::lonnet::put('environment',{'nickname' => $newscreen}); + &Apache::lonnet::appenv('environment.nickname' => $newscreen); + $message.='Set new nickname to '.$newscreen; + } else { + &Apache::lonnet::del('environment',['nickname']); + &Apache::lonnet::delenv('environment\.nickname'); + $message.='Reset nickname'; + } + &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain); + $r->print(<print(< + +
+
+ + +ENDSCREEN +} + +sub verify_and_change_icons { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $newicons = $env{'form.menumode'}; + &Apache::lonnet::put('environment',{'icons' => $newicons}); + &Apache::lonnet::appenv('environment.icons' => $newicons); + $r->print(&mt('Set menu mode to [_1].',$newicons)); +} + +################################################################ +# Message Forward # +################################################################ + +sub msgforwardchanger { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']); + my $msgforward=$userenv{'msgforward'}; + my $notification=$userenv{'notification'}; + my $critnotification=$userenv{'critnotification'}; + my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding", + "What are forwarding ". + "and notification ". + "addresses"); + my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message", + "What are critical messages"); + + $r->print(< +
+ +New Forwarding Address(es) (user:domain,user:domain,...): +
+New Message Notification Email Address(es) (joe\@doe.com,jane\@doe.edu,...): +
+New Critical Message Notification Email Address(es) (joe\@doe.com,jane\@doe.edu,...): +$criticalMessageHelp
+ +
+ENDMSG +} + +sub verify_and_change_msgforward { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $newscreen = ''; + my $message=''; + foreach (split(/\,/,$env{'form.msgforward'})) { + my ($msuser,$msdomain)=split(/[\@\:]/,$_); + $msuser = &LONCAPA::clean_username($msuser); + $msdomain = &LONCAPA::clean_domain($msdomain); + if (($msuser) && ($msdomain)) { + if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') { + $newscreen.=$msuser.':'.$msdomain.','; + } else { + $message.='No such user: '.$msuser.':'.$msdomain.'
'; + } + } + } + $newscreen=~s/\,$//; + if ($newscreen) { + &Apache::lonnet::put('environment',{'msgforward' => $newscreen}); + &Apache::lonnet::appenv('environment.msgforward' => $newscreen); + $message.='Set new message forwarding to '.$newscreen.'
'; + } else { + &Apache::lonnet::del('environment',['msgforward']); + &Apache::lonnet::delenv('environment\.msgforward'); + $message.='Reset message forwarding
'; + } + my $notification=$env{'form.notification'}; + $notification=~s/\s//gs; + if ($notification) { + &Apache::lonnet::put('environment',{'notification' => $notification}); + &Apache::lonnet::appenv('environment.notification' => $notification); + $message.='Set message notification address to '.$notification.'
'; + } else { + &Apache::lonnet::del('environment',['notification']); + &Apache::lonnet::delenv('environment\.notification'); + $message.='Reset message notification
'; + } + my $critnotification=$env{'form.critnotification'}; + $critnotification=~s/\s//gs; + if ($critnotification) { + &Apache::lonnet::put('environment',{'critnotification' => $critnotification}); + &Apache::lonnet::appenv('environment.critnotification' => $critnotification); + $message.='Set critical message notification address to '.$critnotification; + } else { + &Apache::lonnet::del('environment',['critnotification']); + &Apache::lonnet::delenv('environment\.critnotification'); + $message.='Reset critical message notification
'; + } + $r->print(< 'Page Background', + 'tabbg' => 'Header Background', + 'sidebg'=> 'Header Border', + 'font' => 'Font', + 'link' => 'Un-Visited Link', + 'vlink' => 'Visited Link', + 'alink' => 'Active Link'); + my $start_data_table = &Apache::loncommon::start_data_table(); + my $chtable=''; + foreach my $item (sort(keys(%colortypes))) { + my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain); + $chtable.=&Apache::loncommon::start_data_table_row(). + ''.$colortypes{$item}.'      Select'. + &Apache::loncommon::end_data_table_row()."\n"; + } + my $end_data_table = &Apache::loncommon::end_data_table(); + my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition(); + $r->print(< + + function pclose() { + parmwin=window.open("/adm/rat/empty.html","LONCAPAparms", + "height=350,width=350,scrollbars=no,menubar=no"); + parmwin.close(); + } + + $pjump_def + + function psub() { + pclose(); + if (document.parmform.pres_marker.value!='') { + if (document.parmform.pres_type.value!='') { + eval('document.prefs.'+ + document.parmform.pres_marker.value+ + '.value=document.parmform.pres_value.value;'); + } + } else { + document.parmform.pres_value.value=''; + document.parmform.pres_marker.value=''; + } + } + + + +
+ + + +
+
+ +$start_data_table +$chtable +$end_data_table + + + +
+ENDCOL +} + +sub verify_and_change_colors { + my $r = shift; +# figure out colors + my $function=&Apache::loncommon::get_users_function(); + my $domain=&Apache::loncommon::determinedomain(); + my %colortypes=('pgbg' => 'Page Background', + 'tabbg' => 'Header Background', + 'sidebg'=> 'Header Border', + 'font' => 'Font', + 'link' => 'Un-Visited Link', + 'vlink' => 'Visited Link', + 'alink' => 'Active Link'); + + my $message=''; + foreach my $item (keys %colortypes) { + my $color=$env{'form.'.$item}; + my $entry='color.'.$function.'.'.$item; + if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) { + &Apache::lonnet::put('environment',{$entry => $color}); + &Apache::lonnet::appenv('environment.'.$entry => $color); + $message.='Set '.$colortypes{$item}.' to '.$color.'
'; + } else { + &Apache::lonnet::del('environment',[$entry]); + &Apache::lonnet::delenv('environment\.'.$entry); + $message.='Reset '.$colortypes{$item}.'
'; + } + } + my $now = time; + &Apache::lonnet::put('environment',{'color.timestamp' => $now}); + &Apache::lonnet::appenv('environment.color.timestamp' => $now); + + $r->print(< + + +ENDVCCOL +} + +###################################################### +# password handler subroutines # +###################################################### +sub passwordchanger { + my ($r,$errormessage,$caller,$mailtoken) = @_; + # This function is a bit of a mess.... + # Passwords are encrypted using londes.js (DES encryption) + $errormessage = ($errormessage || ''); + my ($user,$domain,$currentpass,$defdom); + if ((!defined($caller)) || ($caller eq 'preferences')) { + $user = $env{'user.name'}; + $domain = $env{'user.domain'}; + if (!defined($caller)) { + $caller = 'preferences'; + } + } elsif ($caller eq 'reset_by_email') { + $defdom = $r->dir_config('lonDefDomain'); + my %data = &Apache::lonnet::tmpget($mailtoken); + if (keys(%data) == 0) { + $r->print(&mt('Sorry, the URL you provided to complete the reset of your password was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a new request for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.')); + return; + } + if (defined($data{time})) { + if (time - $data{'time'} < 7200) { + $user = $data{'username'}; + $domain = $data{'domain'}; + $currentpass = $data{'temppasswd'}; + } else { + $r->print(&mt('Sorry, the token generated when you requested a password reset has expired.').'
'); + return; + } + } else { + $r->print(&mt('Sorry, the URL generated when you requested reset of your password contained incomplete information.').'
'); + return; + } + } else { + $r->print(&mt('Page requested in unexpected context').'
'); + return; + } + my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain); + # Check for authentication types that allow changing of the password. + return if ($currentauth !~ /^(unix|internal):/); + # + # Generate keys + my ($lkey_cpass ,$ukey_cpass ) = &des_keys(); + my ($lkey_npass1,$ukey_npass1) = &des_keys(); + my ($lkey_npass2,$ukey_npass2) = &des_keys(); + # Store the keys in the log files + my $lonhost = $r->dir_config('lonHostID'); + my $logtoken=Apache::lonnet::reply('tmpput:' + .$ukey_cpass . $lkey_cpass .'&' + .$ukey_npass1 . $lkey_npass1.'&' + .$ukey_npass2 . $lkey_npass2, + $lonhost); + # Hexify the keys for output as javascript variables + my %hexkey; + $hexkey{'ukey_cpass'} = hex($ukey_cpass); + $hexkey{'lkey_cpass'} = hex($lkey_cpass); + $hexkey{'ukey_npass1'} = hex($ukey_npass1); + $hexkey{'lkey_npass1'} = hex($lkey_npass1); + $hexkey{'ukey_npass2'} = hex($ukey_npass2); + $hexkey{'lkey_npass2'} = hex($lkey_npass2); + # Output javascript to deal with passwords + # Output DES javascript + { + my $include = $r->dir_config('lonIncludes'); + my $jsh=Apache::File->new($include."/londes.js"); + $r->print(<$jsh>); + } + $r->print(&jscript_send($caller)); + $r->print(< + +ENDFORM + $r->print(&server_form($logtoken,$caller,$mailtoken)); + $r->print(&client_form($caller,\%hexkey,$currentpass,$defdom)); + + # + return; +} + +sub jscript_send { + my ($caller) = @_; + my $output = qq| + +|; +} + +sub client_form { + my ($caller,$hexkey,$currentpass,$defdom) = @_; + my $output = qq| +
+ +|; + if ($caller eq 'reset_by_email') { + $output .= qq| + + + + + + + +'; + } else { + $output .= qq| + + +|; + } + $output .= <<"ENDFORM"; + + + + +
E-mail address:
Username: + + +
Domain: +|; + $output .= &Apache::loncommon::select_dom_form($defdom,'udom').' +
Current password:
New password:
Confirm password:
+ +
+ + + + + + +
+

+ENDFORM + return $output; +} + +sub server_form { + my ($logtoken,$caller,$mailtoken) = @_; + my $action = '/adm/preferences'; + if ($caller eq 'reset_by_email') { + $action = '/adm/resetpw'; + } + my $output = qq| +
+ + + + + |; + if ($caller eq 'reset_by_email') { + $output .= qq| + + + + +|; + } + $output .= qq| + +
+|; + return $output; +} + +sub verify_and_change_password { + my ($r,$caller,$mailtoken) = @_; + my ($user,$domain,$homeserver); + if ($caller eq 'reset_by_email') { + $user = $env{'form.uname'}; + $domain = $env{'form.udom'}; + if ($user ne '' && $domain ne '') { + $homeserver = &Apache::lonnet::homeserver($user,$domain); + if ($homeserver eq 'no_host') { + &passwordchanger($r,"

\nERROR". + "Invalid username and/or domain .\n

", + $caller,$mailtoken); + return 1; + } + } else { + &passwordchanger($r,"

\nERROR". + "Username and Domain were blank.\n

", + $caller,$mailtoken); + return 1; + } + } else { + $user = $env{'user.name'}; + $domain = $env{'user.domain'}; + $homeserver = $env{'user.home'}; + } + my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain); + # Check for authentication types that allow changing of the password. + if ($currentauth !~ /^(unix|internal):/) { + if ($caller eq 'reset_by_email') { + &passwordchanger($r,"

\nERROR". + "Authentication type for this user can not be changed by this mechanism..\n

", + $caller,$mailtoken); + return 1; + } else { + return; + } + } + # + my $currentpass = $env{'form.currentpass'}; + my $newpass1 = $env{'form.newpass_1'}; + my $newpass2 = $env{'form.newpass_2'}; + my $logtoken = $env{'form.logtoken'}; + # Check for empty data + unless (defined($currentpass) && + defined($newpass1) && + defined($newpass2) ){ + &passwordchanger($r,"

\nERROR". + "One or more password fields were blank.\n

",$caller,$mailtoken); + return; + } + # Get the keys + my $lonhost = $r->dir_config('lonHostID'); + my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost); + if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { + # I do not a have a better idea about how to handle this + my $tryagain_text = &mt('Please log out and try again.'); + if ($caller eq 'reset_by_email') { + $tryagain_text = &mt('Please try again later.'); + } + $r->print(< +ERROR: Unable to retrieve stored token for +password decryption. $tryagain_text +

+ENDERROR + # Probably should log an error here + return 1; + } + my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo); + # + $currentpass = &des_decrypt($ckey ,$currentpass); + $newpass1 = &des_decrypt($n1key,$newpass1); + $newpass2 = &des_decrypt($n2key,$newpass2); + # + if ($caller eq 'reset_by_email') { + my %data = &Apache::lonnet::tmpget($mailtoken); + if ($currentpass ne $data{'temppasswd'}) { + &passwordchanger($r, + 'ERROR:'. + 'Could not verify current authentication. '. + 'Please try again.',$caller,$mailtoken); + return 1; + } + } + if ($newpass1 ne $newpass2) { + &passwordchanger($r, + 'ERROR:'. + 'The new passwords you entered do not match. '. + 'Please try again.',$caller,$mailtoken); + return 1; + } + if (length($newpass1) < 7) { + &passwordchanger($r, + 'ERROR:'. + 'Passwords must be a minimum of 7 characters long. '. + 'Please try again.',$caller,$mailtoken); + return 1; + } + # + # Check for bad characters + my $badpassword = 0; + foreach (split(//,$newpass1)) { + $badpassword = 1 if ((ord($_)<32)||(ord($_)>126)); + } + if ($badpassword) { + # I can't figure out how to enter bad characters on my browser. + my $errormessage = <<"ENDERROR"; +ERROR: +The password you entered contained illegal characters.
+Valid characters are: space and
+
+!"\#$%&\'()*+,-./0123456789:;<=>?\@
+ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
+
+ENDERROR + &passwordchanger($r,$errormessage,$caller,$mailtoken); + return 1; + } + # + # Change the password (finally) + my $result = &Apache::lonnet::changepass + ($user,$domain,$currentpass,$newpass1,$homeserver,$caller); + # Inform the user the password has (not?) been changed + if ($result =~ /^ok$/) { + $r->print(<<"ENDTEXT"); +

The password for $user was successfully changed

+ENDTEXT + } else { + # error error: run in circles, scream and shout + $r->print(<The password for $user was not changed +Please make sure your old password was entered correctly. +ENDERROR + return 1; + } + return; +} + +################################################################ +# discussion display subroutines +################################################################ +sub discussionchanger { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my %userenv = &Apache::lonnet::get + ('environment',['discdisplay','discmarkread']); + my $discdisp = 'allposts'; + my $discmark = 'onmark'; + + if (defined($userenv{'discdisplay'})) { + unless ($userenv{'discdisplay'} eq '') { + $discdisp = $userenv{'discdisplay'}; + } + } + if (defined($userenv{'discmarkread'})) { + unless ($userenv{'discdisplay'} eq '') { + $discmark = $userenv{'discmarkread'}; + } + } + + my $newdisp = 'unread'; + my $newmark = 'ondisp'; + + my $function = &Apache::loncommon::get_users_function(); + my $color = &Apache::loncommon::designparm($function.'.tabbg', + $env{'user.domain'}); + my %lt = &Apache::lonlocal::texthash( + 'pref' => 'Display Preference', + 'curr' => 'Current setting ', + 'actn' => 'Action', + 'sdpf' => 'Set display preferences for discussion posts for both bulletin boards and individual resources in all your courses.', + 'prca' => 'Preferences can be set that determine', + 'whpo' => 'Which posts are displayed when you display a bulletin board or resource, and', + 'unwh' => 'Under what circumstances posts are identfied as "New"', + 'allposts' => 'All posts', + 'unread' => 'New posts only', + 'ondisp' => 'Once displayed', + 'onmark' => 'Once marked as read', + 'disa' => 'Posts displayed?', + 'npmr' => 'New posts cease to be identified as "New"?', + 'thde' => 'The preferences you set here can be overridden within each individual discussion.', + 'chgt' => 'Change to ' + ); + my $dispchange = $lt{'unread'}; + my $markchange = $lt{'ondisp'}; + my $currdisp = $lt{'allposts'}; + my $currmark = $lt{'onmark'}; + + if ($discdisp eq 'unread') { + $dispchange = $lt{'allposts'}; + $currdisp = $lt{'unread'}; + $newdisp = 'allposts'; + } + + if ($discmark eq 'ondisp') { + $markchange = $lt{'onmark'}; + $currmark = $lt{'ondisp'}; + $newmark = 'onmark'; + } + + $r->print(<<"END"); +
+ +
+$lt{'sdpf'}
$lt{'prca'}
  1. $lt{'whpo'}
  2. $lt{'unwh'}
+
+
+END + $r->print(&Apache::loncommon::start_data_table()); + $r->print(<<"END"); + + $lt{'pref'} + $lt{'curr'} + $lt{'actn'}? + +END + $r->print(&Apache::loncommon::start_data_table_row()); + $r->print(<<"END"); + $lt{'disa'} + $lt{$discdisp} + +END + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::start_data_table_row()); + $r->print(<<"END"); + $lt{'npmr'} + $lt{$discmark} + + +END + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::end_data_table()); + $r->print(<<"END"); +
+
+ +
+
+Note: $lt{'thde'} +
+END +} + +sub verify_and_change_discussion { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $message=''; + if (defined($env{'form.discdisp'}) ) { + my $newdisp = $env{'form.newdisp'}; + if ($newdisp eq 'unread') { + $message .='In discussions: only new posts will be displayed.
'; + &Apache::lonnet::put('environment',{'discdisplay' => $newdisp}); + &Apache::lonnet::appenv('environment.discdisplay' => $newdisp); + } else { + $message .= 'In discussions: all posts will be displayed.
'; + &Apache::lonnet::del('environment',['discdisplay']); + &Apache::lonnet::delenv('environment\.discdisplay'); + } + } + if (defined($env{'form.discmark'}) ) { + my $newmark = $env{'form.newmark'}; + if ($newmark eq 'ondisp') { + $message.='In discussions: new posts will be cease to be identified as "new" after display.
'; + &Apache::lonnet::put('environment',{'discmarkread' => $newmark}); + &Apache::lonnet::appenv('environment.discmarkread' => $newmark); + } else { + $message.='In discussions: posts will be identified as "new" until marked as read by the reader.
'; + &Apache::lonnet::del('environment',['discmarkread']); + &Apache::lonnet::delenv('environment\.discmarkread'); + } + } + $r->print(< 'First resource', + whatsnew => "What's new page", + ); + my $whatsnew_off=&mt('Display the [_1] in the course.','first resource'); + my $whatsnew_on=&mt('Display the "[_1]" page - a summary of items in the course which require attention.',"What's New"); + + $r->print('
'.&mt('Set the default page to be displayed when you select a course role').' '.&mt('(Currently: [_1])',$pagenames{$currvalue}).'
'.&mt('The global user preference you set for your courses can be overridden in an individual course by setting a course specific setting via the "[_1]" page in the course',"What's New").'

'); + $r->print(< + +
+
+ +ENDLSCREEN + $r->print('

+'); +} + +sub verify_and_change_coursepage { + my $r = shift; + my $message=''; + my %lt = &Apache::lonlocal::texthash( + 'defs' => 'Default now set', + 'when' => 'when you select a course role from the roles screen', + 'ywbt' => 'you will be taken to the start of the course.', + 'apwb' => 'a page will be displayed that lists items in the course that may require action from you.', + 'gtts' => 'Go to the start of the course', + 'dasp' => "Display the What's New page listing course action items", + ); + my $newdisp = $env{'form.newdisp'}; + $message = ''.$lt{'defs'}.': '.$lt{'when'}.', '; + if ($newdisp eq 'firstres') { + $message .= $lt{'ywbt'}.'
'; + &Apache::lonnet::put('environment',{'course_init_display' => $newdisp}); + &Apache::lonnet::appenv('environment.course_init_display' => $newdisp); + } else { + $message .= $lt{'apwb'}.'
'; + &Apache::lonnet::del('environment',['course_init_display']); + &Apache::lonnet::delenv('environment\.course_init_display'); + } + my $refpage = $env{'form.refpage'}; + if (($env{'request.course.fn'}) && ($env{'request.course.id'})) { + if ($newdisp eq 'firstres') { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my ($furl,$ferr)= + &Apache::lonuserstate::readmap($cdom.'/'.$cnum); + $message .= '
'.$lt{'gtts'}.' '.&mt('now').''; + } else { + $message .= '
'.$lt{'dasp'}.''; + } + } + $r->print(<
+ENDVCSCREEN +} + + +###################################################### +# other handler subroutines # +###################################################### + +################################################################ +# Main handler # +################################################################ sub handler { my $r = shift; - $r->content_type('text/html'); + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + &Apache::loncommon::content_type($r,'text/html'); + # Some pages contain DES keys and should not be cached. + &Apache::loncommon::no_cache($r); $r->send_http_header; return OK if $r->header_only; + # + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['action','wysiwyg','returnurl','refpage']); + # + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb + ({href => '/adm/preferences', + text => 'Set User Preferences'}); + + my @Options; + # Determine current authentication method + my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain); + if ($currentauth =~ /^(unix|internal):/) { + push (@Options,({ action => 'changepass', + linktext => 'Change Password', + href => '/adm/preferences', + help => 'Change_Password', + subroutine => \&passwordchanger, + breadcrumb => + { href => '/adm/preferences?action=changepass', + text => 'Change Password'}, + }, + { action => 'verify_and_change_pass', + subroutine => \&verify_and_change_password, + breadcrumb => + { href =>'/adm/preferences?action=changepass', + text => 'Change Password'}, + printmenu => 'not_on_error', + })); + } + push (@Options,({ action => 'changescreenname', + linktext => 'Change Screen Name', + href => '/adm/preferences', + help => 'Prefs_Screen_Name_Nickname', + subroutine => \&screennamechanger, + breadcrumb => + { href => '/adm/preferences?action=changescreenname', + text => 'Change Screen Name'}, + }, + { action => 'verify_and_change_screenname', + subroutine => \&verify_and_change_screenname, + breadcrumb => + { href => '/adm/preferences?action=changescreenname', + text => 'Change Screen Name'}, + printmenu => 'yes', + })); + + push (@Options,({ action => 'changemsgforward', + linktext => 'Change Message Forwarding and Notification Email Addresses', + href => '/adm/preferences', + help => 'Prefs_Forwarding', + breadcrumb => + { href => '/adm/preferences?action=changemsgforward', + text => 'Change Message Forwarding'}, + subroutine => \&msgforwardchanger, + }, + { action => 'verify_and_change_msgforward', + breadcrumb => + { href => '/adm/preferences?action=changemsgforward', + text => 'Change Message Forwarding'}, + printmenu => 'yes', + subroutine => \&verify_and_change_msgforward })); + my $aboutmeaction= + '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme'; + push (@Options,{ action => 'none', + linktext => + q{Edit the 'About Me' Personal Information Screen}, + help => 'Prefs_About_Me', + href => $aboutmeaction}); + push (@Options,({ action => 'changecolors', + linktext => 'Change Color Scheme', + href => '/adm/preferences', + help => 'Change_Colors', + breadcrumb => + { href => '/adm/preferences?action=changecolors', + text => 'Change Colors'}, + subroutine => \&colorschanger, + }, + { action => 'verify_and_change_colors', + breadcrumb => + { href => '/adm/preferences?action=changecolors', + text => 'Change Colors'}, + printmenu => 'yes', + subroutine => \&verify_and_change_colors, + })); + push (@Options,({ action => 'changelanguages', + linktext => 'Change Language Preferences', + href => '/adm/preferences', + help => 'Prefs_Language', + breadcrumb=> + { href => '/adm/preferences?action=changelanguages', + text => 'Change Language'}, + subroutine => \&languagechanger, + }, + { action => 'verify_and_change_languages', + breadcrumb=> + {href => '/adm/preferences?action=changelanguages', + text => 'Change Language'}, + printmenu => 'yes', + subroutine=>\&verify_and_change_languages, } + )); + push (@Options,({ action => 'changewysiwyg', + linktext => 'Change WYSIWYG Editor Preferences', + href => '/adm/preferences', + breadcrumb => + { href => '/adm/preferences?action=changewysiwyg', + text => 'Change WYSIWYG Preferences'}, + subroutine => \&wysiwygchanger, + }, + { action => 'set_wysiwyg', + breadcrumb => + { href => '/adm/preferences?action=changewysiwyg', + text => 'Change WYSIWYG Preferences'}, + printmenu => 'yes', + subroutine => \&verify_and_change_wysiwyg, } + )); + push (@Options,({ action => 'changediscussions', + linktext => 'Change Discussion Display Preferences', + href => '/adm/preferences', + help => 'Change_Discussion_Display', + breadcrumb => + { href => '/adm/preferences?action=changediscussions', + text => 'Change Discussion Preferences'}, + subroutine => \&discussionchanger, + }, + { action => 'verify_and_change_discussion', + breadcrumb => + { href => '/adm/preferences?action=changediscussions', + text => 'Change Discussion Preferences'}, + printmenu => 'yes', + subroutine => \&verify_and_change_discussion, } + )); + + my $role = ($env{'user.adv'} ? 'Roles' : 'Course'); + push (@Options,({ action => 'changerolespref', + linktext => 'Change '.$role.' Page Preferences', + href => '/adm/preferences', + subroutine => \&rolesprefchanger, + breadcrumb => + { href => '/adm/preferences?action=changerolespref', + text => 'Change '.$role.' Page Pref'}, + }, + { action => 'verify_and_change_rolespref', + subroutine => \&verify_and_change_rolespref, + breadcrumb => + { href => '/adm/preferences?action=changerolespref', + text => 'Change '.$role.' Page Preferences'}, + printmenu => 'yes', + })); -# --------------------------------------------------- Print login screen header - $r->print(< - -The LearningOnline Network with CAPA - - -

Preferences

- - - -ENDDOCUMENT + push (@Options,({ action => 'changetexenginepref', + linktext => 'Change How Math Equations Are Displayed', + href => '/adm/preferences', + subroutine => \&texenginechanger, + breadcrumb => + { href => '/adm/preferences?action=changetexenginepref', + text => 'Change Math Pref'}, + }, + { action => 'verify_and_change_texengine', + subroutine => \&verify_and_change_texengine, + breadcrumb => + { href => '/adm/preferences?action=changetexenginepref', + text => 'Change Math Preferences'}, + printmenu => 'yes', + })); + + if ($env{'environment.remote'} eq 'off') { + push (@Options,({ action => 'launch', + linktext => 'Launch Remote Control', + href => '/adm/remote?url=/adm/preferences', + })); + } else { + push (@Options,({ action => 'collapse', + linktext => 'Collapse Remote Control', + href => '/adm/remote?url=/adm/preferences', + })); + } + + push (@Options,({ action => 'changeicons', + linktext => 'Change How Main Menu is Displayed', + href => '/adm/preferences', + subroutine => \&iconchanger, + breadcrumb => + { href => '/adm/preferences?action=changeicons', + text => 'Change Main Menu'}, + }, + { action => 'verify_and_change_icons', + subroutine => \&verify_and_change_icons, + breadcrumb => + { href => '/adm/preferences?action=changeicons', + text => 'Change Main Menu'}, + printmenu => 'yes', + })); + + if (&Apache::lonnet::allowed('whn',$env{'request.course.id'}) + || &Apache::lonnet::allowed('whn',$env{'request.course.id'}.'/' + .$env{'request.course.sec'})) { + push (@Options,({ action => 'changecourseinit', + linktext => 'Change Course Initialization Preference', + href => '/adm/preferences', + subroutine => \&coursedisplaychanger, + breadcrumb => + { href => '/adm/preferences?action=changecourseinit', + text => 'Change Course Init. Pref.'}, + }, + { action => 'verify_and_change_coursepage', + breadcrumb => + { href => '/adm/preferences?action=changecourseinit', text => 'Change Course Initialization Preference'}, + printmenu => 'yes', + subroutine => \&verify_and_change_coursepage, + })); + } + + if ($env{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle|raeburn)$/) { + push (@Options,({ action => 'debugtoggle', + printmenu => 'yes', + subroutine => \&toggle_debug, + })); + } + + $r->print(&Apache::loncommon::start_page('Change Preferences')); + + my $call = undef; + my $help = undef; + my $printmenu = 'yes'; + foreach my $option (@Options) { + if ($option->{'action'} eq $env{'form.action'}) { + $call = $option->{'subroutine'}; + $printmenu = $option->{'printmenu'}; + if (exists($option->{'breadcrumb'})) { + &Apache::lonhtmlcommon::add_breadcrumb + ($option->{'breadcrumb'}); + } + $help=$option->{'help'}; + } + } + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help)); + my $error; + if (defined($call)) { + $error = $call->($r); + } + if ( ( ($printmenu eq 'yes') + || ($printmenu eq 'not_on_error' && !$error) ) + && (!$env{'form.returnurl'})) { + my $optionlist = ''; + if ($env{'user.name'} =~ + /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/ + ) { + push (@Options,({ action => 'debugtoggle', + linktext => 'Toggle Debug Messages', + text => 'Current Debug status is -'. + $env{'user.debug'}.'-.', + href => '/adm/preferences', + printmenu => 'yes', + subroutine => \&toggle_debug, + })); + } + foreach my $option(@Options) { + my $optiontext = ''; + if (exists($option->{'href'})) { + $option->{'href_args'}{'action'}=$option->{'action'}; + $optiontext .= + ''. + &mt($option->{'linktext'}).''; + } + if (exists($option->{'text'})) { + $optiontext .= ' '.&mt($option->{'text'}); + } + if ($optiontext ne '') { + $optiontext = ''.$optiontext.''; + my $helplink = ' '; + if (exists($option->{'help'})) { + $helplink = &Apache::loncommon::help_open_topic + ($option->{'help'}); + } + $optionlist .= ''. + ''. + ''. + ''; + } + } + $optionlist .= '
'.$helplink.''.$optiontext.'
'; + $r->print($optionlist); + } elsif ($env{'form.returnurl'}) { + $r->print('
'. + &mt('Return').''); + } + $r->print(&Apache::loncommon::end_page()); return OK; -} +} + +sub toggle_debug { + if ($env{'user.debug'}) { + &Apache::lonnet::delenv('user\.debug'); + } else { + &Apache::lonnet::appenv('user.debug' => 1); + } +} 1; __END__