--- loncom/interface/lonpreferences.pm 2002/02/15 22:04:39 1.3
+++ loncom/interface/lonpreferences.pm 2005/06/06 16:23:55 1.62
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Preferences
#
-# $Id: lonpreferences.pm,v 1.3 2002/02/15 22:04:39 matthew Exp $
+# $Id: lonpreferences.pm,v 1.62 2005/06/06 16:23:55 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,18 +25,6 @@
#
# http://www.lon-capa.org/
#
-# (Internal Server Error Handler
-#
-# (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)
-#
-# 3/1/1 Gerd Kortemeyer)
-#
-# 3/1 Gerd Kortemeyer
-#
-# 2/13/02 2/14 2/15 Matthew Hall
-#
# This package uses the "londes.js" javascript code.
#
# TODOs that have to be completed:
@@ -49,50 +37,25 @@ 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;
-#------------------- forms to be output
-my $passwordform =<
-
-
-
-ENDPASSWORDFORM
-
-my $environmentform = <
-There are currently no environment variables you can change.
-
-
-ENDENVIRONMENTFORM
-#------------------ end of forms to be output
-
-################################################################
-# Handler subroutines #
-################################################################
#
# Write lonnet::passwd to do the call below.
# Use:
# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
#
-# I really should write some javascript to check on the client side for
-# mismatched passwords, but other problems are more pressing
-#
##################################################
# password associated functions #
##################################################
sub des_keys {
- # Make a new key for DES encryption
- # Each key has two parts which are returned seperately
+ # 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='';
@@ -119,19 +82,558 @@ sub des_decrypt {
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
$plaintext.=
$cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
- $plaintext=unpack("a8",$plaintext);
- $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)));
- unpack("a8",$plaintext);
+ $plaintext=substr($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 $offselect='';
+ my $onselect='checked="1"';
+ if ($userenv{'wysiwygeditor'}) {
+ $onselect='';
+ $offselect='checked="1"';
+ }
+ my $switchoff=&mt('Disable WYSIWYG editor');
+ my $switchon=&mt('Enable WYSIWYG editor');
+ $r->print(<
+
+
+ $switchoff
+ $switchon
+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(< 'No Preference',
+ 'tth' => 'TeX to HTML',
+ 'ttm' => 'TeX to MathML',
+ 'jsMath' => 'jsMath',
+ 'mimetex' => 'Convert to Images'
+ );
+ my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
+ %mathchoices);
+ my $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
+ my $jsMath_example=&Apache::lontexconvert::jsMath_converted(\$mathexample);
+ $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
+ my $tth_example=&Apache::lontexconvert::tth_converted(\$mathexample);
+ $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';
+ my $mimetex_example=&Apache::lontexconvert::mimetex_converted(\$mathexample);
+ my $change=&mt('Change');
+ $r->print(<
+
+$pref: $selectionbox
+
+
+Examples:
+ TeX to HTML $tth_example
+
+
+jsMath
+
+
+
+$jsMath_example
+ Convert to Images $mimetex_example
+ENDLSCREEN
+ if ($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(<print(<Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist
+feature keeps track of the last N roles which have been
+visited and places a table of these at the top of the roles page.
+People with very few roles should leave this feature disabled.
+
+
+
+ENDSCREEN
+}
+
+sub verify_and_change_rolespref {
+ my $r = shift;
+ 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='Recent Roles Hotlist is Enabled';
+ } else {
+ &Apache::lonnet::del('environment',['recentroles']);
+ &Apache::lonnet::delenv('environment\.recentroles');
+ $message='Recent Roles Hotlist is Disabled';
+ }
+ if ($hotlist_n) {
+ &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
+ &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
+ if ($hotlist_flag) {
+ $message.=" Display $hotlist_n Most Recent Roles\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';
+ }
+
+ $r->print(<print(<
+
+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=~s/\W//g;
+ $msdomain=~s/\W//g;
+ if (($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 $chtable='';
+ foreach my $item (sort(keys(%colortypes))) {
+ my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
+ $chtable.=''.$colortypes{$item}.' Select ';
+ }
+ 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.server.'+
+ document.parmform.pres_marker.value+
+ '.value=document.parmform.pres_value.value;');
+ }
+ } else {
+ document.parmform.pres_value.value='';
+ document.parmform.pres_marker.value='';
+ }
+ }
+
+
+
+
+
+ENDCOL
+}
+
+sub verify_and_change_colors {
+ my $r = shift;
+# figure out colors
+ my $function='student';
+ if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
+ $function='coordinator';
+ }
+ if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
+ $function='admin';
+ }
+ if (($env{'request.role'}=~/^(au|ca)/) ||
+ ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+ $function='author';
+ }
+ 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}.' ';
+ }
+ }
+ $r->print(<
+
+
+ENDVCCOL
+}
+
+######################################################
+# password handler subroutines #
+######################################################
sub passwordchanger {
+ # This function is a bit of a mess....
# Passwords are encrypted using londes.js (DES encryption)
- #
my $r = shift;
- my $user = $ENV{'user.name'};
- my $domain = $ENV{'user.domain'};
- my $homeserver = $ENV{'user.home'};
+ my $errormessage = shift;
+ $errormessage = ($errormessage || '');
+ my $user = $env{'user.name'};
+ my $domain = $env{'user.domain'};
+ my $homeserver = $env{'user.home'};
my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
# Check for authentication types that allow changing of the password.
return if ($currentauth !~ /^(unix|internal):/);
@@ -140,14 +642,14 @@ sub passwordchanger {
my ($lkey_cpass ,$ukey_cpass ) = &des_keys();
my ($lkey_npass1,$ukey_npass1) = &des_keys();
my ($lkey_npass2,$ukey_npass2) = &des_keys();
- # Store the 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 these keys
+ # Hexify the keys for output as javascript variables
$ukey_cpass = hex($ukey_cpass);
$lkey_cpass = hex($lkey_cpass);
$ukey_npass1= hex($ukey_npass1);
@@ -155,22 +657,15 @@ sub passwordchanger {
$ukey_npass2= hex($ukey_npass2);
$lkey_npass2= hex($lkey_npass2);
# Output javascript to deal with passwords
- $r->print(<
-
-The LearningOnline Network with CAPA
-
-ENDHEADER
- # Output DES javascript
+ # Output DES javascript
+ my $html=&Apache::lonxml::xmlbegin();
+ $r->print($html."");
{
my $include = $r->dir_config('lonIncludes');
my $jsh=Apache::File->new($include."/londes.js");
$r->print(<$jsh>);
}
$r->print(<
-
-Preferences for $user
-$user is a member of domain $domain
-
-Change password for $user
-
+$errormessage
+
-
-