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Diff for /loncom/interface/lonpreferences.pm between versions 1.209 and 1.213

version 1.209, 2013/07/24 18:21:39 version 1.213, 2014/05/26 15:21:27
Line 36  use strict; Line 36  use strict;
 use LONCAPA;  use LONCAPA;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File;  use Apache::File;
 use Crypt::DES;  
 use DynaLoader; # for Crypt::DES version  
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
 use Apache::lonlocal;  use Apache::lonlocal;
Line 45  use Apache::lonnet; Line 43  use Apache::lonnet;
 use LONCAPA::lonauthcgi();  use LONCAPA::lonauthcgi();
 use LONCAPA();  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                    #  #                       Handler subroutines                    #
 ################################################################  ################################################################
Line 229  sub texenginechanger { Line 183  sub texenginechanger {
       'change'   => 'Save',        'change'   => 'Save',
       'exmpl'    => 'Examples',        'exmpl'    => 'Examples',
       'mathjax'  => 'MathJax:',        'mathjax'  => 'MathJax:',
         'mathjaxinfo' => 'MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation.',
       'jsmath'   => 'jsMath:',        'jsmath'   => 'jsMath:',
       'tth'      => 'tth (TeX to HTML):',        'tth'      => 'tth (TeX to HTML):',
       'mimetex'  => 'mimetex (Convert to Images):',        'mimetex'  => 'mimetex (Convert to Images):',
Line 265  $lt{'exmpl'} Line 220  $lt{'exmpl'}
   
 <h3>$lt{'mathjax'}</h3>  <h3>$lt{'mathjax'}</h3>
 </script>  </script>
 <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=MathJax" width="400" height="120"></iframe>  <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=MathJax" width="400" height="150"></iframe>
 </p>  </p>
 <p>  <p>
 MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation.  $lt{'mathjaxinfo'}
 </p>  </p>
   
 <h3>$lt{'jsmath'}</h3>   <h3>$lt{'jsmath'}</h3> 
Line 280  if (jsMath.nofonts == 1) { Line 235  if (jsMath.nofonts == 1) {
 }  }
   
 </script>  </script>
 <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="120"></iframe>  <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="150"></iframe>
 </p>  </p>
   
 <h3>$lt{'mimetex'}</h3>  <h3>$lt{'mimetex'}</h3>
 <p>  <p>
 <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="100"></iframe>  <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="150"></iframe>
 </p>  </p>
   
 <h3>$lt{'tth'}</h3>  <h3>$lt{'tth'}</h3>
 <p>  <p>
 <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="220"></iframe>  <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="150"></iframe>
 </p>  </p>
 ENDLSCREEN  ENDLSCREEN
     if ($env{'environment.texengine'} ne 'jsMath') {      if ($env{'environment.texengine'} ne 'jsMath') {
Line 447  $options.' Line 402  $options.'
 </div>');  </div>');
      } else {       } else {
          $r->print('<br clear="all" />'.           $r->print('<br clear="all" />'.
                    &mt('Once the Hotlist contains recently visited '.$lc_role.'s, you can return to this page to also set frozen roles.'));                     &mt('Once the Hotlist contains recently visited '.$lc_role.'s you can return to this page to also set frozen roles.'));
      }       }
      $r->print('       $r->print('
 <br clear="all" />  <br clear="all" />
Line 1363  sub passwordchanger { Line 1318  sub passwordchanger {
     return if ($currentauth !~ /^(unix|internal):/);      return if ($currentauth !~ /^(unix|internal):/);
     #      #
     # Generate keys      # Generate keys
     my ($lkey_cpass ,$ukey_cpass ) = &des_keys();      my ($lkey_cpass ,$ukey_cpass ) = &Apache::loncommon::des_keys();
     my ($lkey_npass1,$ukey_npass1) = &des_keys();      my ($lkey_npass1,$ukey_npass1) = &Apache::loncommon::des_keys();
     my ($lkey_npass2,$ukey_npass2) = &des_keys();      my ($lkey_npass2,$ukey_npass2) = &Apache::loncommon::des_keys();
     # Store the keys in the log files      # Store the keys in the log files
     my $lonhost = $r->dir_config('lonHostID');      my $lonhost = $r->dir_config('lonHostID');
     my $logtoken=Apache::lonnet::reply('tmpput:'      my $logtoken=Apache::lonnet::reply('tmpput:'
Line 1604  ENDERROR Line 1559  ENDERROR
     }      }
     my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);      my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
     #       # 
     $currentpass = &des_decrypt($ckey ,$currentpass);      $currentpass = &Apache::loncommon::des_decrypt($ckey ,$currentpass);
     $newpass1    = &des_decrypt($n1key,$newpass1);      $newpass1    = &Apache::loncommon::des_decrypt($n1key,$newpass1);
     $newpass2    = &des_decrypt($n2key,$newpass2);      $newpass2    = &Apache::loncommon::des_decrypt($n2key,$newpass2);
     #      #
     if ($caller eq 'reset_by_email') {      if ($caller eq 'reset_by_email') {
         my %data = &Apache::lonnet::tmpget($mailtoken);          my %data = &Apache::lonnet::tmpget($mailtoken);
Removed from v.1.209  
changed lines
  Added in v.1.213

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