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Diff for /loncom/interface/lonpreferences.pm between versions 1.49 and 1.95

version 1.49, 2004/11/02 00:17:24 version 1.95, 2006/12/06 22:22:37
Line 33 Line 33
 package Apache::lonpreferences;  package Apache::lonpreferences;
   
 use strict;  use strict;
   use LONCAPA;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File;  use Apache::File;
 use Crypt::DES;  use Crypt::DES;
Line 40  use DynaLoader; # for Crypt::DES version Line 41  use DynaLoader; # for Crypt::DES version
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   use LONCAPA();
   
 #  #
 # Write lonnet::passwd to do the call below.  # Write lonnet::passwd to do the call below.
Line 97  sub wysiwygchanger { Line 100  sub wysiwygchanger {
     my $r = shift;      my $r = shift;
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['wysiwygeditor']);          ('environment',['wysiwygeditor']);
       my $onselect='checked="checked"';
     my $offselect='';      my $offselect='';
     my $onselect='checked="1"';      if ($userenv{'wysiwygeditor'} eq 'on') {
     if ($userenv{'wysiwygeditor'}) {  
  $onselect='';   $onselect='';
  $offselect='checked="1"';   $offselect='checked="checked"';
     }      }
     my $switchoff=&mt('Disable WYSIWYG editor');      my $switchoff=&mt('Disable WYSIWYG editor');
     my $switchon=&mt('Enable WYSIWYG editor');      my $switchon=&mt('Enable WYSIWYG editor');
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="set_wysiwyg" />  <input type="hidden" name="action" value="set_wysiwyg" />
 <br />  <br />
 <input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff<br />  <label><input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff</label><br />
 <input type="radio" name="wysiwyg" value="on" $offselect /> $switchon  <label><input type="radio" name="wysiwyg" value="on" $offselect /> $switchon</label>
 ENDLSCREEN  ENDLSCREEN
     $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');      $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
 }  }
Line 118  ENDLSCREEN Line 121  ENDLSCREEN
   
 sub verify_and_change_wysiwyg {  sub verify_and_change_wysiwyg {
     my $r = shift;      my $r = shift;
     my $newsetting=$ENV{'form.wysiwyg'};      my $newsetting=$env{'form.wysiwyg'};
     &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting});      &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting});
     &Apache::lonnet::appenv('environment.wysiwygeditor' => $newsetting);      &Apache::lonnet::appenv('environment.wysiwygeditor' => $newsetting);
     $r->print('<p>'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'</p>');      $r->print('<p>'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'</p>');
Line 129  sub verify_and_change_wysiwyg { Line 132  sub verify_and_change_wysiwyg {
 ################################################################  ################################################################
 sub languagechanger {  sub languagechanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['languages']);          ('environment',['languages']);
     my $language=$userenv{'languages'};      my $language=$userenv{'languages'};
Line 146  sub languagechanger { Line 149  sub languagechanger {
     my $selectionbox=&Apache::loncommon::select_form($language,'language',      my $selectionbox=&Apache::loncommon::select_form($language,'language',
      %langchoices);       %langchoices);
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_languages" />  <input type="hidden" name="action" value="verify_and_change_languages" />
 <br />$pref: $selectionbox  <br />$pref: $selectionbox
 ENDLSCREEN  ENDLSCREEN
Line 156  ENDLSCREEN Line 159  ENDLSCREEN
   
 sub verify_and_change_languages {  sub verify_and_change_languages {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
 # Screenname  # Screenname
     my $newlanguage  = $ENV{'form.language'};      my $newlanguage  = $env{'form.language'};
     $newlanguage=~s/[^\-\w]//g;      $newlanguage=~s/[^\-\w]//g;
     my $message='';      my $message='';
     if ($newlanguage) {      if ($newlanguage) {
Line 172  sub verify_and_change_languages { Line 175  sub verify_and_change_languages {
         $message='Reset preferred language';          $message='Reset preferred language';
     }      }
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
   $message
   ENDVCSCREEN
   }
   
   ################################################################
   #         Tex Engine Change Subroutines                        #
   ################################################################
   sub texenginechanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get('environment',['texengine']);
       my $texengine=$userenv{'texengine'};
   
       my $pref=&mt('Preferred method to display Math');
       my %mathchoices=('' => '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(<<ENDLSCREEN);
   <br />
   
   <form name="prefs" action="/adm/preferences" method="post">
   <input type="hidden" name="action" value="verify_and_change_texengine" />
   <p>$pref: $selectionbox</p>
   <p><input type="submit" value="$change" /></p>
   </form>
   Examples:
   <p> TeX to HTML <br /> 
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" hieght="200"></iframe>
   </p>
   <p>jsMath <br /> 
   $jsMath_start
   <script type="text/javascript">
   if (jsMath.nofonts == 1) {
       document.writeln
           ('<center><div style="padding: 10; border-style: solid; border-width:3;'
    +' border-color: #DD0000; background-color: #FFF8F8; width: 75%; text-align: left">'
    +'<small><font color="#AA0000"><b>Warning:</b> '
    +'It looks like you don\\\'t have the TeX math fonts installed. '
    +'The jsMath example on this page may not look right without them. '
    +'The <a href="http://www.math.union.edu/locate/jsMath/" target="_blank"> '
    +'jsMath Home Page</a> has information on how to download the '
    +'needed fonts.  In the meantime, jsMath will do the best it can '
    +'with the fonts you have, but it may not be pretty and some equations '
    +'may not be rendered correctly. '
    +'</font></small></div></center>');
   }
   </script>
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" hieght="200"></iframe>
   
   </p>
   <p> Convert to Images <br />
   <br />
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" hieght="200"></iframe>
 </p>  </p>
   ENDLSCREEN
       if ($env{'environment.texengine'} ne 'jsMath') {
    $r->print('<script type="text/javascript">jsMath.Process()</script>');
       }
   }
   
   
   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(<<ENDVCSCREEN);
 $message  $message
 ENDVCSCREEN  ENDVCSCREEN
 }  }
   
   ################################################################
   #         Roles Page Preference Change Subroutines         #
   ################################################################
   sub rolesprefchanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['recentroles','recentrolesn']);
       my $hotlist_flag=$userenv{'recentroles'};
       my $hotlist_n=$userenv{'recentrolesn'};
       my $checked;
       if ($hotlist_flag) {
    $checked = 'checked="checked"';
       }
       
       if (!$hotlist_n) { $hotlist_n=3; }
       my $options;
       for (my $i=1; $i<10; $i++) {
    my $select;
    if ($hotlist_n == $i) { $select = 'selected="selected"'; }
    $options .= "<option $select>$i</option>\n";
       }
   
   # Get list of recent roles and display with checkbox in front
       my $roles_check_list = '';
       my $role_key='';
       if ($env{'environment.recentroles'}) {
           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)]);
           my @sorted_roles = sort {$role_text{$a} cmp $role_text{$b}} keys(%role_text);
   
           $roles_check_list .=
       &Apache::loncommon::start_data_table().
       &Apache::loncommon::start_data_table_header_row().
       "<th>".&mt('Freeze Role')."</th>".
       "<th>".&mt('Role')."</td>".
       &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().
    '<td class="LC_table_cell_checkbox">'.
    "<input type=\"checkbox\" $checked name=\"freezeroles\"".
    " id=\"freezeroles$count\" value=\"$role_key\" /></td>".
    "<td><label for=\"freezeroles$count\">".
    "$role_text{$role_key}</label></td>".
    &Apache::loncommon::end_data_table_row(). "\n";
           }
           $roles_check_list .= "</table>\n";
       }
   
       $r->print('
   <p>'.&mt('Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist feature keeps track of the last N roles which have been visited and places a table of these at the top of the roles page. People with very few roles should leave this feature disabled.').'
   </p>
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_rolespref" />
   <br /><label>'.&mt('Enable Recent Roles Hotlist:').'
   <input type="checkbox" '.$checked.' name="recentroles" value="true" /></label>
   <br />'.&mt('Number of roles in Hotlist:').'
   <select name="recentrolesn" size="1">
   '.$options.'
   </select>
   <p>'.&mt('This list below can be used to <q>freeze</q> roles on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').'
   </p>
   '.$roles_check_list.'
   <br />
   <input type="submit" value="'.&mt('Change').'" />
   </form>');
   }
   
   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 $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 $message='<hr />';
       if ($hotlist_flag) {
           &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
           &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
           $message=&mt('Recent Roles Hotlist is Enabled');
       } else {
           &Apache::lonnet::del('environment',['recentroles']);
           &Apache::lonnet::delenv('environment\.recentroles');
           $message=&mt('Recent Roles Hotlist is Disabled');
       }
       if ($hotlist_n) {
           &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
           &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
           if ($hotlist_flag) {
               $message.="<br />".
    &mt('Display [_1] Most Recent Roles',$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}))) {
       $message .= "<br />".&mt('Unfreezing Role: [_1]',$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}) {
                $message .= "<br />".&mt('Freezing Role: [_1]',$role_text{$role_key})."\n";
                &Apache::lonhtmlcommon::store_recent('roles',
                                             $role_key,' ',1);
           }
       }
       $message .= "<hr /><br />\n";
   
       $r->print(<<ENDRPSCREEN);
   $message
   ENDRPSCREEN
   }
   
   
   
 ################################################################  ################################################################
 #         Anonymous Discussion Name Change Subroutines         #  #         Anonymous Discussion Name Change Subroutines         #
 ################################################################  ################################################################
 sub screennamechanger {  sub screennamechanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['screenname','nickname']);          ('environment',['screenname','nickname']);
     my $screenname=$userenv{'screenname'};      my $screenname=$userenv{'screenname'};
     my $nickname=$userenv{'nickname'};      my $nickname=$userenv{'nickname'};
     $r->print(<<ENDSCREEN);      $r->print(<<ENDSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_screenname" />  <input type="hidden" name="action" value="verify_and_change_screenname" />
 <br />New screenname (shown if you post anonymously):  <br />New screenname (shown if you post anonymously):
 <input type="text" size="20" value="$screenname" name="screenname" />  <input type="text" size="20" value="$screenname" name="screenname" />
Line 203  ENDSCREEN Line 478  ENDSCREEN
   
 sub verify_and_change_screenname {  sub verify_and_change_screenname {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
 # Screenname  # Screenname
     my $newscreen  = $ENV{'form.screenname'};      my $newscreen  = $env{'form.screenname'};
     $newscreen=~s/[^ \w]//g;      $newscreen=~s/[^ \w]//g;
     my $message='';      my $message='';
     if ($newscreen) {      if ($newscreen) {
Line 220  sub verify_and_change_screenname { Line 495  sub verify_and_change_screenname {
     }      }
 # Nickname  # Nickname
     $message.='<br />';      $message.='<br />';
     $newscreen  = $ENV{'form.nickname'};      $newscreen  = $env{'form.nickname'};
     $newscreen=~s/[^ \w]//g;      $newscreen=~s/[^ \w]//g;
     if ($newscreen) {      if ($newscreen) {
         &Apache::lonnet::put('environment',{'nickname' => $newscreen});          &Apache::lonnet::put('environment',{'nickname' => $newscreen});
Line 231  sub verify_and_change_screenname { Line 506  sub verify_and_change_screenname {
         &Apache::lonnet::delenv('environment\.nickname');          &Apache::lonnet::delenv('environment\.nickname');
         $message.='Reset nickname';          $message.='Reset nickname';
     }      }
       &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain);
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 </p>  
 $message  $message
 ENDVCSCREEN  ENDVCSCREEN
 }  }
Line 244  ENDVCSCREEN Line 518  ENDVCSCREEN
   
 sub msgforwardchanger {  sub msgforwardchanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);      my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);
     my $msgforward=$userenv{'msgforward'};      my $msgforward=$userenv{'msgforward'};
     my $notification=$userenv{'notification'};      my $notification=$userenv{'notification'};
Line 259  sub msgforwardchanger { Line 533  sub msgforwardchanger {
   
     $r->print(<<ENDMSG);      $r->print(<<ENDMSG);
 $forwardingHelp <br />  $forwardingHelp <br />
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_msgforward" />  <input type="hidden" name="action" value="verify_and_change_msgforward" />
 New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):  New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):
 <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />  <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
Line 274  ENDMSG Line 548  ENDMSG
   
 sub verify_and_change_msgforward {  sub verify_and_change_msgforward {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my $newscreen  = '';      my $newscreen  = '';
     my $message='';      my $message='';
     foreach (split(/\,/,$ENV{'form.msgforward'})) {      foreach (split(/\,/,$env{'form.msgforward'})) {
  my ($msuser,$msdomain)=split(/[\@\:]/,$_);   my ($msuser,$msdomain)=split(/[\@\:]/,$_);
         $msuser=~s/\W//g;          $msuser = &LONCAPA::clean_username($msuser);
         $msdomain=~s/\W//g;          $msdomain = &LONCAPA::clean_domain($msdomain);
         if (($msuser) && ($msdomain)) {          if (($msuser) && ($msdomain)) {
     if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {      if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
                $newscreen.=$msuser.':'.$msdomain.',';                 $newscreen.=$msuser.':'.$msdomain.',';
Line 300  sub verify_and_change_msgforward { Line 574  sub verify_and_change_msgforward {
         &Apache::lonnet::delenv('environment\.msgforward');          &Apache::lonnet::delenv('environment\.msgforward');
         $message.='Reset message forwarding<br />';          $message.='Reset message forwarding<br />';
     }      }
     my $notification=$ENV{'form.notification'};      my $notification=$env{'form.notification'};
     $notification=~s/\s//gs;      $notification=~s/\s//gs;
     if ($notification) {      if ($notification) {
         &Apache::lonnet::put('environment',{'notification' => $notification});          &Apache::lonnet::put('environment',{'notification' => $notification});
Line 311  sub verify_and_change_msgforward { Line 585  sub verify_and_change_msgforward {
         &Apache::lonnet::delenv('environment\.notification');          &Apache::lonnet::delenv('environment\.notification');
         $message.='Reset message notification<br />';          $message.='Reset message notification<br />';
     }      }
     my $critnotification=$ENV{'form.critnotification'};      my $critnotification=$env{'form.critnotification'};
     $critnotification=~s/\s//gs;      $critnotification=~s/\s//gs;
     if ($critnotification) {      if ($critnotification) {
         &Apache::lonnet::put('environment',{'critnotification' => $critnotification});          &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
Line 323  sub verify_and_change_msgforward { Line 597  sub verify_and_change_msgforward {
         $message.='Reset critical message notification<br />';          $message.='Reset critical message notification<br />';
     }      }
     $r->print(<<ENDVCMSG);      $r->print(<<ENDVCMSG);
 </p>  
 $message  $message
 ENDVCMSG  ENDVCMSG
 }  }
Line 335  ENDVCMSG Line 608  ENDVCMSG
 sub colorschanger {  sub colorschanger {
     my $r = shift;      my $r = shift;
 # figure out colors  # figure out colors
     my $function='student';      my $function=&Apache::loncommon::get_users_function();
     if ($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 $domain=&Apache::loncommon::determinedomain();
     my %colortypes=('pgbg'  => 'Page Background',      my %colortypes=('pgbg'  => 'Page Background',
                     'tabbg' => 'Header Background',                      'tabbg' => 'Header Background',
Line 354  sub colorschanger { Line 617  sub colorschanger {
                     'link'  => 'Un-Visited Link',                      'link'  => 'Un-Visited Link',
                     'vlink' => 'Visited Link',                      'vlink' => 'Visited Link',
                     'alink' => 'Active Link');                      'alink' => 'Active Link');
       my $start_data_table = &Apache::loncommon::start_data_table();
     my $chtable='';      my $chtable='';
     foreach my $item (sort(keys(%colortypes))) {      foreach my $item (sort(keys(%colortypes))) {
        my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);         my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
        $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol.         $chtable.=&Apache::loncommon::start_data_table_row().
      '<td>'.$colortypes{$item}.'</td><td style="background: '.$curcol.
         '">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td><input name="'.$item.          '">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td><input name="'.$item.
         '" size="10" value="'.$curcol.          '" size="10" value="'.$curcol.
 '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.  '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
 "','".$curcol."','"  "','".$curcol."','"
     .$item."','parmform.pres','psub'".');">Select</a></td></tr>';      .$item."','parmform.pres','psub'".');">Select</a></td>'.
       &Apache::loncommon::end_data_table_row()."\n";
     }      }
       my $end_data_table = &Apache::loncommon::end_data_table();
     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();      my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
     $r->print(<<ENDCOL);      $r->print(<<ENDCOL);
 <script>  <script type="text/javascript">
   
     function pclose() {      function pclose() {
         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
Line 380  sub colorschanger { Line 647  sub colorschanger {
         pclose();          pclose();
         if (document.parmform.pres_marker.value!='') {          if (document.parmform.pres_marker.value!='') {
             if (document.parmform.pres_type.value!='') {              if (document.parmform.pres_type.value!='') {
                 eval('document.server.'+                  eval('document.prefs.'+
                      document.parmform.pres_marker.value+                       document.parmform.pres_marker.value+
      '.value=document.parmform.pres_value.value;');       '.value=document.parmform.pres_value.value;');
     }      }
Line 397  sub colorschanger { Line 664  sub colorschanger {
 <input type="hidden" name="pres_type" />  <input type="hidden" name="pres_type" />
 <input type="hidden" name="pres_value" />  <input type="hidden" name="pres_value" />
 </form>  </form>
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_colors" />  <input type="hidden" name="action" value="verify_and_change_colors" />
 <table border="2">  $start_data_table
 $chtable  $chtable
   $end_data_table
 </table>  </table>
 <input type="submit" value="Change Custom Colors" />  <input type="submit" value="Change Custom Colors" />
 <input type="submit" name="resetall" value="Reset All Colors to Default" />  <input type="submit" name="resetall" value="Reset All Colors to Default" />
Line 411  ENDCOL Line 679  ENDCOL
 sub verify_and_change_colors {  sub verify_and_change_colors {
     my $r = shift;      my $r = shift;
 # figure out colors  # figure out colors
     my $function='student';      my $function=&Apache::loncommon::get_users_function();
     if ($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 $domain=&Apache::loncommon::determinedomain();
     my %colortypes=('pgbg'  => 'Page Background',      my %colortypes=('pgbg'  => 'Page Background',
                     'tabbg' => 'Header Background',                      'tabbg' => 'Header Background',
Line 433  sub verify_and_change_colors { Line 691  sub verify_and_change_colors {
   
     my $message='';      my $message='';
     foreach my $item (keys %colortypes) {      foreach my $item (keys %colortypes) {
         my $color=$ENV{'form.'.$item};          my $color=$env{'form.'.$item};
         my $entry='color.'.$function.'.'.$item;          my $entry='color.'.$function.'.'.$item;
  if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$ENV{'form.resetall'})) {   if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) {
     &Apache::lonnet::put('environment',{$entry => $color});      &Apache::lonnet::put('environment',{$entry => $color});
     &Apache::lonnet::appenv('environment.'.$entry => $color);      &Apache::lonnet::appenv('environment.'.$entry => $color);
     $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';      $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';
Line 445  sub verify_and_change_colors { Line 703  sub verify_and_change_colors {
     $message.='Reset '.$colortypes{$item}.'<br />';      $message.='Reset '.$colortypes{$item}.'<br />';
  }   }
     }      }
       my $now = time;
       &Apache::lonnet::put('environment',{'color.timestamp' => $now});
       &Apache::lonnet::appenv('environment.color.timestamp' => $now);
   
     $r->print(<<ENDVCCOL);      $r->print(<<ENDVCCOL);
 </p>  
 $message  $message
 <form name="client" action="/adm/preferences" method="post">  <form name="client" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="changecolors" />  <input type="hidden" name="action" value="changecolors" />
Line 458  ENDVCCOL Line 719  ENDVCCOL
 #            password handler subroutines            #  #            password handler subroutines            #
 ######################################################  ######################################################
 sub passwordchanger {  sub passwordchanger {
       my ($r,$errormessage,$caller,$mailtoken) = @_;
     # This function is a bit of a mess....      # This function is a bit of a mess....
     # Passwords are encrypted using londes.js (DES encryption)      # Passwords are encrypted using londes.js (DES encryption)
     my $r = shift;  
     my $errormessage = shift;  
     $errormessage = ($errormessage || '');      $errormessage = ($errormessage || '');
     my $user       = $ENV{'user.name'};      my ($user,$domain,$currentpass,$defdom);
     my $domain     = $ENV{'user.domain'};      if ((!defined($caller)) || ($caller eq 'preferences')) {
     my $homeserver = $ENV{'user.home'};          $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) {
                   $r->print(&mt('Sorry, the URL you provided to complete the reset of your password was invalid.  Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a <a href="/adm/resetpw">new request</a> for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.'));
                   return;
               }
               if (defined($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.').'<br />');
                       return;
                   }
               } else {
                   $r->print(&mt('Sorry, the URL generated when you requested reset of your password contained incomplete information.').'<br />');
                   return;
               }
      } else {
           $r->print(&mt('Page requested in unexpected context').'<br />');
           return;
       }
     my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
     # Check for authentication types that allow changing of the password.      # Check for authentication types that allow changing of the password.
     return if ($currentauth !~ /^(unix|internal):/);      return if ($currentauth !~ /^(unix|internal):/);
Line 482  sub passwordchanger { Line 770  sub passwordchanger {
        .$ukey_npass2 . $lkey_npass2,         .$ukey_npass2 . $lkey_npass2,
        $lonhost);         $lonhost);
     # Hexify the keys for output as javascript variables      # Hexify the keys for output as javascript variables
     $ukey_cpass = hex($ukey_cpass);      my %hexkey;
     $lkey_cpass = hex($lkey_cpass);      $hexkey{'ukey_cpass'}  = hex($ukey_cpass);
     $ukey_npass1= hex($ukey_npass1);      $hexkey{'lkey_cpass'}  = hex($lkey_cpass);
     $lkey_npass1= hex($lkey_npass1);      $hexkey{'ukey_npass1'} = hex($ukey_npass1);
     $ukey_npass2= hex($ukey_npass2);      $hexkey{'lkey_npass1'} = hex($lkey_npass1);
     $lkey_npass2= hex($lkey_npass2);      $hexkey{'ukey_npass2'} = hex($ukey_npass2);
       $hexkey{'lkey_npass2'} = hex($lkey_npass2);
     # Output javascript to deal with passwords      # Output javascript to deal with passwords
     # Output DES javascript      # Output DES javascript
     $r->print("<html><head>");  
     {      {
  my $include = $r->dir_config('lonIncludes');   my $include = $r->dir_config('lonIncludes');
  my $jsh=Apache::File->new($include."/londes.js");   my $jsh=Apache::File->new($include."/londes.js");
  $r->print(<$jsh>);   $r->print(<$jsh>);
     }      }
       $r->print(&jscript_send($caller));
     $r->print(<<ENDFORM);      $r->print(<<ENDFORM);
   $errormessage
   
   <p>
   <!-- We separate the forms into 'server' and 'client' in order to
        ensure that unencrypted passwords will not be sent out by a
        crappy browser -->
   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|
 <script language="JavaScript">  <script language="JavaScript">
   
     function send() {      function send() {
Line 504  sub passwordchanger { Line 810  sub passwordchanger {
         lextkey=this.document.client.elements.lkey_cpass.value;          lextkey=this.document.client.elements.lkey_cpass.value;
         initkeys();          initkeys();
   
         this.document.server.elements.currentpass.value          this.document.pserver.elements.currentpass.value
             =crypted(this.document.client.elements.currentpass.value);              =crypted(this.document.client.elements.currentpass.value);
   
         uextkey=this.document.client.elements.ukey_npass1.value;          uextkey=this.document.client.elements.ukey_npass1.value;
         lextkey=this.document.client.elements.lkey_npass1.value;          lextkey=this.document.client.elements.lkey_npass1.value;
         initkeys();          initkeys();
         this.document.server.elements.newpass_1.value          this.document.pserver.elements.newpass_1.value
             =crypted(this.document.client.elements.newpass_1.value);              =crypted(this.document.client.elements.newpass_1.value);
   
         uextkey=this.document.client.elements.ukey_npass2.value;          uextkey=this.document.client.elements.ukey_npass2.value;
         lextkey=this.document.client.elements.lkey_npass2.value;          lextkey=this.document.client.elements.lkey_npass2.value;
         initkeys();          initkeys();
         this.document.server.elements.newpass_2.value          this.document.pserver.elements.newpass_2.value
             =crypted(this.document.client.elements.newpass_2.value);              =crypted(this.document.client.elements.newpass_2.value);
   |;
         this.document.server.submit();      if ($caller eq 'reset_by_email') {
           $output .= qq|
           this.document.pserver.elements.uname.value =
                      this.document.client.elements.uname.value;
           this.document.pserver.elements.udom.value =
                      this.document.client.elements.udom.options[this.document.client.elements.udom.selectedIndex].value;
   |;
       }
       $ output .= qq|
           this.document.pserver.submit();
     }      }
   
 </script>  </script>
 $errormessage  |;
   }
 <p>  
 <!-- We separate the forms into 'server' and 'client' in order to  
      ensure that unencrypted passwords will not be sent out by a  
      crappy browser -->  
   
 <form name="server" action="/adm/preferences" method="post">  
 <input type="hidden" name="logtoken"    value="$logtoken" />  
 <input type="hidden" name="action"      value="verify_and_change_pass" />  
 <input type="hidden" name="currentpass" value="" />  
 <input type="hidden" name="newpass_1"   value="" />  
 <input type="hidden" name="newpass_2"   value="" />  
 </form>  
   
   sub client_form {
       my ($caller,$hexkey,$currentpass,$defdom) = @_;
       my $output = qq|
 <form name="client" >  <form name="client" >
 <table>  <table>
   |;
       if ($caller eq 'reset_by_email') {
           $output .= qq|
   <tr><td align="right"> E-mail address:                        </td>
       <td><input type="text" name="email" size="15" /> </td></tr>
   <tr><td align="right"> Username:                        </td>
       <td>
        <input type="text" name="uname" size="10" />
        <input type="hidden" name="currentpass" value="$currentpass" />
       </td></tr>
   <tr><td align="right"> Domain:                               </td>
       <td>
   |;
           $output .= &Apache::loncommon::select_dom_form($defdom,'udom').'
      </td>
   </tr>
   ';
       } else {
           $output .= qq|
 <tr><td align="right"> Current password:                      </td>  <tr><td align="right"> Current password:                      </td>
     <td><input type="password" name="currentpass" size="10"/> </td></tr>      <td><input type="password" name="currentpass" size="10"/> </td></tr>
   |;
       }
       $output .= <<"ENDFORM";
 <tr><td align="right"> New password:                          </td>  <tr><td align="right"> New password:                          </td>
     <td><input type="password" name="newpass_1" size="10"  /> </td></tr>      <td><input type="password" name="newpass_1" size="10"  /> </td></tr>
 <tr><td align="right"> Confirm password:                      </td>  <tr><td align="right"> Confirm password:                      </td>
Line 549  $errormessage Line 876  $errormessage
 <tr><td colspan="2" align="center">  <tr><td colspan="2" align="center">
     <input type="button" value="Change Password" onClick="send();">      <input type="button" value="Change Password" onClick="send();">
 </table>  </table>
 <input type="hidden" name="ukey_cpass"  value="$ukey_cpass" />  <input type="hidden" name="ukey_cpass"  value="$hexkey->{'ukey_cpass'}" />
 <input type="hidden" name="lkey_cpass"  value="$lkey_cpass" />  <input type="hidden" name="lkey_cpass"  value="$hexkey->{'lkey_cpass'}" />
 <input type="hidden" name="ukey_npass1" value="$ukey_npass1" />  <input type="hidden" name="ukey_npass1" value="$hexkey->{'ukey_npass1'}" />
 <input type="hidden" name="lkey_npass1" value="$lkey_npass1" />  <input type="hidden" name="lkey_npass1" value="$hexkey->{'lkey_npass1'}" />
 <input type="hidden" name="ukey_npass2" value="$ukey_npass2" />  <input type="hidden" name="ukey_npass2" value="$hexkey->{'ukey_npass2'}" />
 <input type="hidden" name="lkey_npass2" value="$lkey_npass2" />  <input type="hidden" name="lkey_npass2" value="$hexkey->{'lkey_npass2'}" />
 </form>  </form>
 </p>  </p>
 ENDFORM  ENDFORM
     #      return $output;
     return;  }
   
   sub server_form {
       my ($logtoken,$caller,$mailtoken) = @_;
       my $action = '/adm/preferences';
       if ($caller eq 'reset_by_email') {
           $action = '/adm/resetpw';
       }
       my $output = qq|
   <form name="pserver" action="$action" method="post">
   <input type="hidden" name="logtoken"    value="$logtoken" />
   <input type="hidden" name="currentpass" value="" />
   <input type="hidden" name="newpass_1"   value="" />
   <input type="hidden" name="newpass_2"   value="" />
       |;
       if ($caller eq 'reset_by_email') {
           $output .=  qq|
   <input type="hidden" name="token"   value="$mailtoken" />
   <input type="hidden" name="uname"   value="" />
   <input type="hidden" name="udom"   value="" />
   
   |;
       }
       $output .= qq|
   <input type="hidden" name="action" value="verify_and_change_pass" />
   </form>
   |;
       return $output;
 }  }
   
 sub verify_and_change_password {  sub verify_and_change_password {
     my $r = shift;      my ($r,$caller,$mailtoken) = @_;
     my $user       = $ENV{'user.name'};      my ($user,$domain,$homeserver);
     my $domain     = $ENV{'user.domain'};      if ($caller eq 'reset_by_email') {
     my $homeserver = $ENV{'user.home'};          $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,"<p>\n<font color='#ff0000'>ERROR</font>".
                            "Invalid username and/or domain .\n</p>",
                            $caller,$mailtoken);
                   return 1;
               }
           } else {
               &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
                                "Username and Domain were blank.\n</p>",
                                $caller,$mailtoken);
               return 1;
           }
       } else {
           $user       = $env{'user.name'};
           $domain     = $env{'user.domain'};
           $homeserver = $env{'user.home'};
       }
     my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
     # Check for authentication types that allow changing of the password.      # Check for authentication types that allow changing of the password.
     return if ($currentauth !~ /^(unix|internal):/);      if ($currentauth !~ /^(unix|internal):/) {
     #          if ($caller eq 'reset_by_email') {
     $r->print(<<ENDHEADER);              &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
 <html>                               "Authentication type for this user can not be changed by this mechanism..\n</p>",
 <head>                                $caller,$mailtoken);
 <title>LON-CAPA Preferences:  Change password for $user</title>              return 1;
 </head>          } else {
 ENDHEADER              return;
           }
       }
     #      #
     my $currentpass = $ENV{'form.currentpass'};       my $currentpass = $env{'form.currentpass'}; 
     my $newpass1    = $ENV{'form.newpass_1'};       my $newpass1    = $env{'form.newpass_1'}; 
     my $newpass2    = $ENV{'form.newpass_2'};      my $newpass2    = $env{'form.newpass_2'};
     my $logtoken    = $ENV{'form.logtoken'};      my $logtoken    = $env{'form.logtoken'};
     # Check for empty data       # Check for empty data 
     unless (defined($currentpass) &&       unless (defined($currentpass) && 
     defined($newpass1)    &&       defined($newpass1)    && 
     defined($newpass2)    ){      defined($newpass2)    ){
  &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".   &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
  "Password data was blank.\n</p>");   "One or more password fields were blank.\n</p>",$caller,$mailtoken);
  return;   return;
     }      }
     # Get the keys      # Get the keys
Line 595  ENDHEADER Line 971  ENDHEADER
     my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);      my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
     if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {      if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
         # I do not a have a better idea about how to handle this          # 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(<<ENDERROR);   $r->print(<<ENDERROR);
 <p>  <p>
 <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for  <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
 password decryption.  Please log out and try again.  password decryption.  $tryagain_text
 </p>  </p>
 ENDERROR  ENDERROR
         # Probably should log an error here          # Probably should log an error here
         return;          return 1;
     }      }
     my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);      my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
     #       # 
     $currentpass = &des_decrypt($ckey ,$currentpass);      $currentpass = &des_decrypt($ckey ,$currentpass);
     $newpass1    = &des_decrypt($n1key,$newpass1);      $newpass1    = &des_decrypt($n1key,$newpass1);
     $newpass2    = &des_decrypt($n2key,$newpass2);      $newpass2    = &des_decrypt($n2key,$newpass2);
     #       #
       if ($caller eq 'reset_by_email') {
           my %data = &Apache::lonnet::tmpget($mailtoken);
           if ($currentpass ne $data{'temppasswd'}) {
               &passwordchanger($r,
                            '<font color="#ff0000">ERROR:</font>'.
                            'Could not verify current authentication.  '.
                            'Please try again.',$caller,$mailtoken);
               return 1;
           }
       } 
     if ($newpass1 ne $newpass2) {      if ($newpass1 ne $newpass2) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'The new passwords you entered do not match.  '.   'The new passwords you entered do not match.  '.
  'Please try again.');   'Please try again.',$caller,$mailtoken);
  return;   return 1;
     }      }
     if (length($newpass1) < 7) {      if (length($newpass1) < 7) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'Passwords must be a minimum of 7 characters long.  '.   'Passwords must be a minimum of 7 characters long.  '.
  'Please try again.');   'Please try again.',$caller,$mailtoken);
  return;   return 1;
     }      }
     #      #
     # Check for bad characters      # Check for bad characters
Line 632  ENDERROR Line 1022  ENDERROR
     }      }
     if ($badpassword) {      if ($badpassword) {
  # I can't figure out how to enter bad characters on my browser.   # I can't figure out how to enter bad characters on my browser.
  &passwordchanger($r,<<ENDERROR);   my $errormessage = <<"ENDERROR";
 <font color="#ff0000">ERROR:</font>  <font color="#ff0000">ERROR:</font>
 The password you entered contained illegal characters.<br />  The password you entered contained illegal characters.<br />
 Valid characters are: space and <br />  Valid characters are: space and <br />
Line 641  Valid characters are: space and <br /> Line 1031  Valid characters are: space and <br />
 ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~  ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
 </pre>  </pre>
 ENDERROR  ENDERROR
           &passwordchanger($r,$errormessage,$caller,$mailtoken);
           return 1;
     }      }
     #       # 
     # Change the password (finally)      # Change the password (finally)
     my $result = &Apache::lonnet::changepass      my $result = &Apache::lonnet::changepass
  ($user,$domain,$currentpass,$newpass1,$homeserver);   ($user,$domain,$currentpass,$newpass1,$homeserver,$caller);
     # Inform the user the password has (not?) been changed      # Inform the user the password has (not?) been changed
     if ($result =~ /^ok$/) {      if ($result =~ /^ok$/) {
  $r->print(<<"ENDTEXT");   $r->print(<<"ENDTEXT");
 <h2>The password for $user was successfully changed</h2>  <h3>The password for $user was successfully changed</h3>
 ENDTEXT  ENDTEXT
     } else {      } else {
  # error error: run in circles, scream and shout   # error error: run in circles, scream and shout
         $r->print(<<ENDERROR);          $r->print(<<ENDERROR);
 <h2><font color="#ff0000">The password for $user was not changed</font></h2>  <h3><font color="#ff0000">The password for $user was not changed</font></h3>
 Please make sure your old password was entered correctly.  Please make sure your old password was entered correctly.
 ENDERROR  ENDERROR
           return 1;
     }      }
     return;      return;
 }  }
Line 666  ENDERROR Line 1059  ENDERROR
 ################################################################  ################################################################
 sub discussionchanger {  sub discussionchanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['discdisplay','discmarkread']);          ('environment',['discdisplay','discmarkread']);
     my $discdisp = 'allposts';      my $discdisp = 'allposts';
Line 689  sub discussionchanger { Line 1082  sub discussionchanger {
   
     my $function = &Apache::loncommon::get_users_function();      my $function = &Apache::loncommon::get_users_function();
     my $color = &Apache::loncommon::designparm($function.'.tabbg',      my $color = &Apache::loncommon::designparm($function.'.tabbg',
                                                     $ENV{'user.domain'});                                                      $env{'user.domain'});
     my %lt = &Apache::lonlocal::texthash(      my %lt = &Apache::lonlocal::texthash(
         'pref' => 'Display Preference',          'pref' => 'Display Preference',
         'curr' => 'Current setting ',          'curr' => 'Current setting ',
Line 725  sub discussionchanger { Line 1118  sub discussionchanger {
     }      }
           
     $r->print(<<"END");      $r->print(<<"END");
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_discussion" />  <input type="hidden" name="action" value="verify_and_change_discussion" />
 <br />  <br />
 $lt{'sdpf'}<br/> $lt{'prca'}  <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>   $lt{'sdpf'}<br /> $lt{'prca'}  <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol> 
 <br />  <br />
 <br />  <br />
 <table border="0" cellpadding="0" cellspacing="0">  END
  <tr>      $r->print(&Apache::loncommon::start_data_table());
   <td width="100%" bgcolor="#000000">      $r->print(<<"END");
    <table width="100%" border="0" cellpadding="1" cellspacing="0">         <tr>
     <tr>          <th>$lt{'pref'}</th>
      <td width="100%" bgcolor="#000000">          <th>$lt{'curr'}</th>
       <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">          <th>$lt{'actn'}?</th>
        <tr bgcolor="$color">  
         <td><b>$lt{'pref'}</b></td>  
         <td><b>$lt{'curr'}</b></td>  
         <td><b>$lt{'actn'}?</b></td>  
        </tr>         </tr>
        <tr bgcolor="#dddddd">  END
       $r->print(&Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
        <td>$lt{'disa'}</td>         <td>$lt{'disa'}</td>
        <td>$lt{$discdisp}</td>         <td>$lt{$discdisp}</td>
        <td><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</td>         <td><label><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</label></td>
       </tr><tr bgcolor="#eeeeee">  END
       $r->print(&Apache::loncommon::end_data_table_row().
         &Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
        <td>$lt{'npmr'}</td>         <td>$lt{'npmr'}</td>
        <td>$lt{$discmark}</td>         <td>$lt{$discmark}</td>
        <td><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</td>         <td><label><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</label></td>
       </tr>        </tr>
      </table>  END
     </td>      $r->print(&Apache::loncommon::end_data_table_row().
    </tr>        &Apache::loncommon::end_data_table());
   </table>      $r->print(<<"END");
  </td>  
 </tr>  
 </table>  
 <br />  <br />
 <br />  <br />
 <input type="submit" name="sub" value="Store Changes" />  <input type="submit" name="sub" value="Store Changes" />
Line 771  END Line 1162  END
                                                                                                                                                                                                                                   
 sub verify_and_change_discussion {  sub verify_and_change_discussion {
     my $r = shift;      my $r = shift;
     my $user     = $ENV{'user.name'};      my $user     = $env{'user.name'};
     my $domain   = $ENV{'user.domain'};      my $domain   = $env{'user.domain'};
     my $message='';      my $message='';
     if (defined($ENV{'form.discdisp'}) ) {      if (defined($env{'form.discdisp'}) ) {
         my $newdisp  = $ENV{'form.newdisp'};          my $newdisp  = $env{'form.newdisp'};
         if ($newdisp eq 'unread') {          if ($newdisp eq 'unread') {
             $message .='In discussions: only new posts will be displayed.<br/>';              $message .='In discussions: only new posts will be displayed.<br />';
             &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});              &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
             &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);              &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);
         } else {          } else {
             $message .= 'In discussions: all posts will be displayed.<br/>';              $message .= 'In discussions: all posts will be displayed.<br />';
             &Apache::lonnet::del('environment',['discdisplay']);              &Apache::lonnet::del('environment',['discdisplay']);
             &Apache::lonnet::delenv('environment\.discdisplay');              &Apache::lonnet::delenv('environment\.discdisplay');
         }          }
     }      }
     if (defined($ENV{'form.discmark'}) ) {      if (defined($env{'form.discmark'}) ) {
         my $newmark = $ENV{'form.newmark'};          my $newmark = $env{'form.newmark'};
         if ($newmark eq 'ondisp') {          if ($newmark eq 'ondisp') {
            $message.='In discussions: new posts will be cease to be identified as "new" after display.<br/>';             $message.='In discussions: new posts will be cease to be identified as "new" after display.<br />';
             &Apache::lonnet::put('environment',{'discmarkread' => $newmark});              &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
             &Apache::lonnet::appenv('environment.discmarkread' => $newmark);              &Apache::lonnet::appenv('environment.discmarkread' => $newmark);
         } else {          } else {
             $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br/>';              $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br />';
             &Apache::lonnet::del('environment',['discmarkread']);              &Apache::lonnet::del('environment',['discmarkread']);
             &Apache::lonnet::delenv('environment\.discmarkread');              &Apache::lonnet::delenv('environment\.discmarkread');
         }          }
     }      }
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 </p>  
 $message  $message
 ENDVCSCREEN  ENDVCSCREEN
 }  }
   
   ################################################################
   # Subroutines for page display on course access (Course Coordinators)
   ################################################################
   sub coursedisplaychanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get('environment',['course_init_display']);
       my $currvalue = 'whatsnew';
       my $firstselect = '';
       my $whatsnewselect = 'checked="checked"';
       if (exists($userenv{'course_init_display'})) {
           if ($userenv{'course_init_display'} eq 'firstres') {
               $currvalue = 'firstres';
               $firstselect = 'checked="checked"';
       $whatsnewselect = '';
           }
       }
       my %pagenames = (
                          firstres => 'First resource',
                          whatsnew => "What's new page",
                       );
       my $whatsnew_off=&mt('Display the [_1] in the course.','<b>first resource</b>');
       my $whatsnew_on=&mt('Display the "[_1]" page - a summary of items in the course which require attention.',"<b>What's New</b>");
   
       $r->print('<br /><b>'.&mt('Set the default page to be displayed when you select a course role').'</b>&nbsp;'.&mt('(Currently: [_1])',$pagenames{$currvalue}).'<br />'.&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',"<i>What's New</i>").'<br /><br />');
       $r->print(<<ENDLSCREEN);
   <form name="prefs" action="/adm/preferences" method="post">
   <input type="hidden" name="action" value="verify_and_change_coursepage" />
   <br />
   <label><input type="radio" name="newdisp" value="firstres" $firstselect /> $whatsnew_off</label><br />
   <label><input type="radio" name="newdisp" value="whatsnew" $whatsnewselect /> $whatsnew_on</label><input type="hidden" name="refpage" value="$env{'form.refpage'}" />
   ENDLSCREEN
       $r->print('<br /><br /><input type="submit" value="'.&mt('Change').'" />
   </form>');
   }
   
   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'};
       $message = '<b>'.$lt{'defs'}.'</b>: '.$lt{'when'}.', ';
       if ($newdisp eq 'firstres') {
           $message .= $lt{'ywbt'}.'<br />';
           &Apache::lonnet::put('environment',{'course_init_display' => $newdisp});
           &Apache::lonnet::appenv('environment.course_init_display' => $newdisp);
       } else {
           $message .= $lt{'apwb'}.'<br />';
           &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);
               $message .= '<br /><font size="+1"><a href="'.$furl.'">'.$lt{'gtts'}.' <i>'.&mt('now').'</i></a></font>';
           } else {
               $message .= '<br /><font size="+1"><a href="/adm/whatsnew?refpage='.
                           $refpage.'">'.$lt{'dasp'}.'</a></font>';
           }
       }
       $r->print(<<ENDVCSCREEN);
   $message
   <br /><br />
   ENDVCSCREEN
   }
   
   
 ######################################################  ######################################################
 #            other handler subroutines               #  #            other handler subroutines               #
 ######################################################  ######################################################
Line 813  ENDVCSCREEN Line 1282  ENDVCSCREEN
 ################################################################  ################################################################
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     my $user = $ENV{'user.name'};      my $user = $env{'user.name'};
     my $domain = $ENV{'user.domain'};      my $domain = $env{'user.domain'};
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
     # Some pages contain DES keys and should not be cached.      # Some pages contain DES keys and should not be cached.
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
Line 822  sub handler { Line 1291  sub handler {
     return OK if $r->header_only;      return OK if $r->header_only;
     #      #
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['action','wysiwyg','returnurl']);                                     ['action','wysiwyg','returnurl','refpage']);
     #      #
     &Apache::lonhtmlcommon::clear_breadcrumbs();      &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb      &Apache::lonhtmlcommon::add_breadcrumb
Line 847  sub handler { Line 1316  sub handler {
                           breadcrumb =>                             breadcrumb => 
                               { href =>'/adm/preferences?action=changepass',                                { href =>'/adm/preferences?action=changepass',
                                 text => 'Change Password'},                                  text => 'Change Password'},
                           printmenu => 'yes',                            printmenu => 'not_on_error',
                           }));                            }));
     }      }
     push (@Options,({ action   => 'changescreenname',      push (@Options,({ action   => 'changescreenname',
Line 883  sub handler { Line 1352  sub handler {
                       printmenu => 'yes',                        printmenu => 'yes',
                       subroutine => \&verify_and_change_msgforward }));                        subroutine => \&verify_and_change_msgforward }));
     my $aboutmeaction=      my $aboutmeaction=
         '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';          '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme';
     push (@Options,{ action => 'none',       push (@Options,{ action => 'none', 
                      linktext =>                       linktext =>
                          q{Edit the 'About Me' Personal Information Screen},                           q{Edit the 'About Me' Personal Information Screen},
Line 953  sub handler { Line 1422  sub handler {
                       subroutine => \&verify_and_change_discussion, }                        subroutine => \&verify_and_change_discussion, }
                     ));                      ));
                                                 
     if ($ENV{'user.name'} =~ /^(albertel|koretemey|korte|hallmat3|turtle)$/) {      push (@Options,({ action   => 'changerolespref',
                         linktext => 'Change Roles Page Preferences',
                         href     => '/adm/preferences',
                         subroutine => \&rolesprefchanger,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changerolespref',
                               text => 'Change Roles Pref'},
                         },
                       { action   => 'verify_and_change_rolespref',
                         subroutine => \&verify_and_change_rolespref,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changerolespref',
                               text => 'Change Roles Preferences'},
                         printmenu => 'yes',
                         }));
   
       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',
         }));
       }
   
       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',          push (@Options,({ action => 'debugtoggle',
                           printmenu => 'yes',                            printmenu => 'yes',
                           subroutine => \&toggle_debug,                            subroutine => \&toggle_debug,
                           }));                            }));
     }      }
     $r->print(<<ENDHEADER);  
 <html>      $r->print(&Apache::loncommon::start_page('Change Preferences'));
 <head>  
 <title>LON-CAPA Preferences</title>  
 </head>  
 ENDHEADER  
     my $call = undef;      my $call = undef;
     my $help = undef;      my $help = undef;
     my $printmenu = 'yes';      my $printmenu = 'yes';
     foreach my $option (@Options) {      foreach my $option (@Options) {
         if ($option->{'action'} eq $ENV{'form.action'}) {          if ($option->{'action'} eq $env{'form.action'}) {
             $call = $option->{'subroutine'};              $call = $option->{'subroutine'};
             $printmenu = $option->{'printmenu'};              $printmenu = $option->{'printmenu'};
             if (exists($option->{'breadcrumb'})) {              if (exists($option->{'breadcrumb'})) {
Line 979  ENDHEADER Line 1508  ENDHEADER
     $help=$option->{'help'};      $help=$option->{'help'};
         }          }
     }      }
     $r->print(&Apache::loncommon::bodytag('Change Preferences'));      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs      my $error;
               (undef,'Change Preferences',$help));  
     if (defined($call)) {      if (defined($call)) {
         $call->($r);          $error = $call->($r);
     }      }
     if (($printmenu eq 'yes') && (!$ENV{'form.returnurl'})) {      if ( ( ($printmenu eq 'yes')
      || ($printmenu eq 'not_on_error' && !$error) )
    && (!$env{'form.returnurl'})) {
         my $optionlist = '<table cellpadding="5">';          my $optionlist = '<table cellpadding="5">';
         if ($ENV{'user.name'} =~           if ($env{'user.name'} =~ 
                          /^(albertel|kortemey|korte|hallmat3|turtle)$/                           /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/
             ) {              ) {
             push (@Options,({ action => 'debugtoggle',              push (@Options,({ action => 'debugtoggle',
                               linktext => 'Toggle Debug Messages',                                linktext => 'Toggle Debug Messages',
                               text => 'Current Debug status is -'.                                text => 'Current Debug status is -'.
                                   $ENV{'user.debug'}.'-.',                                    $env{'user.debug'}.'-.',
                               href => '/adm/preferences',                                href => '/adm/preferences',
                               printmenu => 'yes',                                printmenu => 'yes',
                               subroutine => \&toggle_debug,                                subroutine => \&toggle_debug,
Line 1002  ENDHEADER Line 1532  ENDHEADER
         foreach my $option(@Options) {          foreach my $option(@Options) {
             my $optiontext = '';              my $optiontext = '';
             if (exists($option->{'href'})) {              if (exists($option->{'href'})) {
                 $optiontext .=    $option->{'href_args'}{'action'}=$option->{'action'};
                     '<a href="'.$option->{'href'}.   $optiontext .= 
                     '?action='.$option->{'action'}.'">'.                      '<a href="'.&add_get_param($option->{'href'},
          $option->{'href_args'}).'">'.
                     &mt($option->{'linktext'}).'</a>';                      &mt($option->{'linktext'}).'</a>';
             }              }
             if (exists($option->{'text'})) {              if (exists($option->{'text'})) {
Line 1025  ENDHEADER Line 1556  ENDHEADER
         }          }
         $optionlist .= '</table>';          $optionlist .= '</table>';
         $r->print($optionlist);          $r->print($optionlist);
     } elsif ($ENV{'form.returnurl'}) {      } elsif ($env{'form.returnurl'}) {
  $r->print('<br /><a href="'.$ENV{'form.returnurl'}.'"><font size="+1">'.   $r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.
   &mt('Return').'</font></a>');    &mt('Return').'</font></a>');
     }      }
     $r->print(<<ENDFOOTER);      $r->print(&Apache::loncommon::end_page());
 </body>  
 </html>  
 ENDFOOTER  
     return OK;      return OK;
 }  }
   
 sub toggle_debug {  sub toggle_debug {
     if ($ENV{'user.debug'}) {      if ($env{'user.debug'}) {
         &Apache::lonnet::delenv('user\.debug');          &Apache::lonnet::delenv('user\.debug');
     } else {      } else {
         &Apache::lonnet::appenv('user.debug' => 1);          &Apache::lonnet::appenv('user.debug' => 1);
Removed from v.1.49  
changed lines
  Added in v.1.95

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