--- loncom/interface/lonpreferences.pm 2013/08/29 19:42:58 1.196.4.13 +++ loncom/interface/lonpreferences.pm 2016/08/05 20:47:30 1.196.4.18 @@ -1,7 +1,7 @@ # The LearningOnline Network # Preferences # -# $Id: lonpreferences.pm,v 1.196.4.13 2013/08/29 19:42:58 raeburn Exp $ +# $Id: lonpreferences.pm,v 1.196.4.18 2016/08/05 20:47:30 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,8 +36,6 @@ use strict; use LONCAPA; use Apache::Constants qw(:common); use Apache::File; -use Crypt::DES; -use DynaLoader; # for Crypt::DES version use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::lonlocal; @@ -45,50 +43,6 @@ use Apache::lonnet; use LONCAPA::lonauthcgi(); 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 # ################################################################ @@ -206,11 +160,13 @@ sub texenginechanger { my $domain = $env{'user.domain'}; my %userenv = &Apache::lonnet::get('environment',['texengine']); my $texengine=$userenv{'texengine'}; + if (lc($texengine) eq 'jsmath') { + $texengine = 'MathJax'; + } my %mathchoices=('' => 'Default', 'tth' => 'tth (TeX to HTML)', #'ttm' => 'TeX to MathML', - 'jsMath' => 'jsMath', 'MathJax' => 'MathJax', 'mimetex' => 'mimetex (Convert to Images)', 'raw' => 'Raw (Screen Reader)' @@ -222,33 +178,17 @@ sub texenginechanger { 'texengine', \%mathchoices); my $MathJax_start=&Apache::lontexconvert::MathJax_header(); - my $jsMath_start=&Apache::lontexconvert::jsMath_header(); my %lt=&Apache::lonlocal::texthash( 'headline' => 'Change how math is displayed', 'preftxt' => 'Preferred method to display math', 'change' => 'Save', 'exmpl' => 'Examples', 'mathjax' => 'MathJax:', - 'jsmath' => 'jsMath:', + 'mathjaxinfo' => 'MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation.', 'tth' => 'tth (TeX to HTML):', 'mimetex' => 'mimetex (Convert to Images):', ); - my $jsMathWarning='

' - .'

' - .&mt("It looks like you don't have the TeX math fonts installed.") - .'
' - .'
' - .&mt('The jsMath example on this page may not look right without them. ' - .'The [_1]jsMath Home Page[_2] 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.' - ,'' - ,'') - .'
' - .'

'; - $r->print(<$lt{'headline'}
@@ -265,37 +205,22 @@ $lt{'exmpl'}

$lt{'mathjax'}

- +

-MathJax provides rendered equations whose source code can be extracted in TeX and MathML formats by right clicking the equation. -

- -

$lt{'jsmath'}

-

-$jsMath_start - - +$lt{'mathjaxinfo'}

$lt{'mimetex'}

- +

$lt{'tth'}

- +

ENDLSCREEN - if ($env{'environment.texengine'} ne 'jsMath') { - $r->print(''); - } } @@ -306,6 +231,9 @@ sub verify_and_change_texengine { # Screenname my $newtexengine = $env{'form.texengine'}; $newtexengine=~s/[^\-\w]//g; + if (lc($newtexengine) eq 'jsmath') { + $newtexengine = 'MathJax'; + } if ($newtexengine eq 'ttm') { &Apache::lonnet::appenv({'browser.mathml' => 1}); } else { @@ -834,7 +762,7 @@ sub lockwarning { my $textbottom=&mt('Changing roles or logging out may result in data corruption.'); my ($num,%which)=&Apache::lonnet::get_locks(); my $which=''; - foreach my $id (keys %which) { + foreach my $id (keys(%which)) { $which.='
  • '.$which{$id}.'
    • '; } my $change=&mt('Override'); @@ -1265,7 +1193,7 @@ sub verify_and_change_colors { ); my $message=''; - foreach my $item (keys %colortypes) { + foreach my $item (keys(%colortypes)) { my $color=$env{'form.'.$item}; if (!($color =~ /^#/)) { $color = '#' . $color; @@ -1308,6 +1236,12 @@ sub passwordchanger { $r->print(Apache::loncommon::start_page('Personal Data')); $r->print(Apache::lonhtmlcommon::breadcrumbs('Change Password')); } + my ($blocked,$blocktext) = + &Apache::loncommon::blocking_status('passwd'); + if ($blocked) { + $r->print('

    '.$blocktext.'

    '); + return; + } if ((!defined($caller)) || ($caller eq 'preferences')) { $user = $env{'user.name'}; $domain = $env{'user.domain'}; @@ -1364,9 +1298,9 @@ sub passwordchanger { return if ($currentauth !~ /^(unix|internal):/); # # Generate keys - my ($lkey_cpass ,$ukey_cpass ) = &des_keys(); - my ($lkey_npass1,$ukey_npass1) = &des_keys(); - my ($lkey_npass2,$ukey_npass2) = &des_keys(); + my ($lkey_cpass ,$ukey_cpass ) = &Apache::loncommon::des_keys(); + my ($lkey_npass1,$ukey_npass1) = &Apache::loncommon::des_keys(); + my ($lkey_npass2,$ukey_npass2) = &Apache::loncommon::des_keys(); # Store the keys in the log files my $lonhost = $r->dir_config('lonHostID'); my $logtoken=Apache::lonnet::reply('tmpput:' @@ -1536,6 +1470,12 @@ sub server_form { sub verify_and_change_password { my ($r,$caller,$mailtoken) = @_; my ($user,$domain,$homeserver); + my ($blocked,$blocktext) = + &Apache::loncommon::blocking_status('passwd'); + if ($blocked) { + $r->print('

    '.$blocktext.'

    '); + return; + } if ($caller eq 'reset_by_email') { $user = $env{'form.uname'}; $domain = $env{'form.udom'}; @@ -1605,9 +1545,9 @@ ENDERROR } my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo); # - $currentpass = &des_decrypt($ckey ,$currentpass); - $newpass1 = &des_decrypt($n1key,$newpass1); - $newpass2 = &des_decrypt($n2key,$newpass2); + $currentpass = &Apache::loncommon::des_decrypt($ckey ,$currentpass); + $newpass1 = &Apache::loncommon::des_decrypt($n1key,$newpass1); + $newpass2 = &Apache::loncommon::des_decrypt($n2key,$newpass2); # if ($caller eq 'reset_by_email') { my %data = &Apache::lonnet::tmpget($mailtoken);