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Diff for /loncom/auth/lonauth.pm between versions 1.2 and 1.38

version 1.2, 1999/11/16 19:14:15 version 1.38, 2003/02/18 19:12:38
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # User Authentication Module  # User Authentication Module
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15  # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15
 # 16/11 Gerd Kortemeyer  # 16/11,12/16,
   # 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29,
   # 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10,
   # 05/28,05/29 Gerd Kortemeyer
   # 07/28,08/03 Gerd Kortemeyer
   # 8/20 Gerd Kortemeyer
   
 package Apache::lonauth;  package Apache::lonauth;
   
   use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File;  use Apache::File;
 use CGI qw(:standard);  use CGI qw(:standard);
 use CGI::Cookie();  use CGI::Cookie();
   use DynaLoader; # for Crypt::DES version
   use Crypt::DES;
 use Apache::lonnet();  use Apache::lonnet();
   use Apache::lonmenu();
   use Fcntl qw(:flock);
   
   my %FORM;
   
 # ------------------------------------------------------------ Successful login  # ------------------------------------------------------------ Successful login
   
 sub success {  sub success {
     my ($r, $lowerurl, $username, $domain, $authhost) = @_;      my ($r, $username, $domain, $authhost,$lowerurl) = @_;
     my $lonids=$r->dir_config('lonIDsDir');      my $lonids=$r->dir_config('lonIDsDir');
 # See if old ID present, but overlooked  
   # See if old ID present, if so, remove
   
       my $filename;
       opendir(DIR,$lonids);
       while ($filename=readdir(DIR)) {
          if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
     unlink($lonids.'/'.$filename);
          }
       }
       closedir(DIR);
   
   # Give them a new cookie
   
     my $cookie;      my $cookie;
     if ($cookie=<$lonids/$username\_*\_$domain\_$authhost.id>) {      my $now=time;
  $cookie=~s/\.id//;      $cookie="$username\_$now\_$domain\_$authhost";
         $cookie=~s/$lonids\///;  
     } else {  # Initialize roles
         my $now=time;  
         $cookie="$username\_$now\_$domain\_$authhost";      my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);
         {  
   # ------------------------------------ Check browser type and MathML capability
   
       my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));
       my %mathcap=split(/\&/,$r->dir_config("lonMathML"));
       my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
       my $i;
       my $clientbrowser='unknown';
       my $clientversion='0';
       my $clientmathml='';
       my $clientunicode='0';
       for ($i=0;$i<=$#browsertype;$i++) {
           my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
    if (($httpbrowser=~/$match/i)  && ($httpbrowser!~/$notmatch/i)) {
       $clientbrowser=$bname;
               $httpbrowser=~/$vreg/i;
       $clientversion=$1;
               $clientmathml=($clientversion>=$minv);
               $clientunicode=($clientversion>=$univ);
    }
       }
       my $clientos='unknown';
       if (($httpbrowser=~/linux/i) ||
           ($httpbrowser=~/unix/i) ||
           ($httpbrowser=~/ux/i) ||
           ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
       if (($httpbrowser=~/vax/i) ||
           ($httpbrowser=~/vms/i)) { $clientos='vms'; }
       if ($httpbrowser=~/next/i) { $clientos='next'; }
       if (($httpbrowser=~/mac/i) ||
           ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
       if ($httpbrowser=~/win/i) { $clientos='win'; }
       if ($httpbrowser=~/embed/i) { $clientos='pda'; }
   
   # ------------------------------------------------------------- Get environment
   
       my $userenv;
       my %userenv=Apache::lonnet::dump('environment',$domain,$username);
       my ($tmp) = keys(%userenv);
       if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
    foreach my $key (keys(%userenv)) {
       $userenv.="environment.$key=$userenv{$key}\n";
    }
       }
       if (($userenv{'interface'}) && (!$FORM{'interface'})) {
    $FORM{'interface'}=$userenv{'interface'};
       }
   # --------------------------------------------------------- Write first profile
   
          {
     my $idf=Apache::File->new(">$lonids/$cookie.id");      my $idf=Apache::File->new(">$lonids/$cookie.id");
             print $idf "username=$username\n";      unless (flock($idf,LOCK_EX)) {
             print $idf "userdomain=$domain\n";        &Apache::lonnet::logthis("<font color=blue>WARNING: ".
             print $idf "userhome=$authhost\n";      'Could not obtain exclusive lock in lonauth: '.$!);
         $idf->close();
         return 'error: '.$!;
       }
               if ($userenv ne '') { print $idf "$userenv\n"; }
               print $idf "user.name=$username\n";
               print $idf "user.domain=$domain\n";
               print $idf "user.home=$authhost\n";
               print $idf "browser.type=$clientbrowser\n";
               print $idf "browser.version=$clientversion\n";
               print $idf "browser.mathml=$clientmathml\n";
               print $idf "browser.unicode=$clientunicode\n";
               print $idf "browser.os=$clientos\n";
               print $idf "request.course.fn=\n";
               print $idf "request.course.uri=\n";
               print $idf "request.course.sec=\n";
               print $idf "request.role=cm\n";
               print $idf "request.host=$ENV{'HTTP_HOST'}\n";
               if ($FORM{'interface'}) {
    $FORM{'interface'}=~s/\W//gs;
                   print $idf "browser.interface=$FORM{'interface'}\n";
                   $ENV{'browser.interface'}=$FORM{'interface'};
               }
               foreach 
                 ('imagesuppress','embedsuppress','fontenhance','blackwhite') {
                   if (($FORM{$_} eq 'on') ||
                       ($userenv{$_} eq 'on')) {
                      print $idf "browser.$_=on\n";
    }
               } 
               if ($userroles ne '') { print $idf "$userroles"; }
       $idf->close();
           }
            $ENV{'request.role'}='cm';
            $ENV{'browser.type'}=$clientbrowser;
   # -------------------------------------------------------------------- Log this
   
       &Apache::lonnet::log($domain,$username,$authhost,
                            "Login $ENV{'REMOTE_ADDR'}");
   
   # ------------------------------------------------- Check for critical messages
   
       my @what=&Apache::lonnet::dump('critical',$domain,$username);
       if ($what[0]) {
    if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
       $lowerurl='/adm/email?critical=display';
         }          }
     }      }
   
   # ------------------------------------------------------------ Get cookie ready
   
     $cookie="lonID=$cookie; path=/";      $cookie="lonID=$cookie; path=/";
   # -------------------------------------------------------- Menu script and info
       my $windowinfo=&Apache::lonmenu::open($clientos);
       my $startupremote=&Apache::lonmenu::startupremote($lowerurl);
       my $setflags=&Apache::lonmenu::setflags();
       my $maincall=&Apache::lonmenu::maincall();
   # ------------------------------------------------- Output for successful login
   
     $r->send_cgi_header(<<ENDHEADER);      $r->send_cgi_header(<<ENDHEADER);
 Content-type: text/html  Content-type: text/html
 Set-cookie: $cookie  Set-cookie: $cookie
Line 40  ENDHEADER Line 194  ENDHEADER
     $r->print(<<ENDSUCCESS);      $r->print(<<ENDSUCCESS);
 <html>  <html>
 <head>  <head>
 <title>Successful Login to the LearningOnline Network</title>  <title>Successful Login to the LearningOnline Network with CAPA</title>
   $startupremote
 </head>  </head>
 <frameset rows="80,*" border=0>  <body bgcolor="#FFFFFF">
 <frame scrolling="no" name="loncontrol" src="/adm/menu">  $setflags
 <frame name="loncontent" src="$lowerurl">  $windowinfo
 </frameset>  <h1>Welcome!</h1>
   Welcome to the Learning<i>Online</i> Network with CAPA.
   Please wait while your session
   is being set up.<p>
   <a href="/adm/loginproblems.html">Problems?</a></p>
   $maincall
   </body>
 </html>  </html>
 ENDSUCCESS  ENDSUCCESS
 }  }
Line 61  ENDFHEADER Line 222  ENDFHEADER
     $r->print(<<ENDFAILED);      $r->print(<<ENDFAILED);
 <html>  <html>
 <head>  <head>
 <title>Unsuccessful Login to the LearningOnline Network</title>  <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
 </head>  </head>
 <html>  <html>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 <h1>Sorry ...</h1>  <h1>Sorry ...</h1>
 <h2>$message to use the Learning<i>Online</i> Network</h2>  <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>
 </body>  </body>
 </html>  </html>
 ENDFAILED  ENDFAILED
Line 80  sub handler { Line 241  sub handler {
     my $buffer;      my $buffer;
     $r->read($buffer,$r->header_in('Content-length'));      $r->read($buffer,$r->header_in('Content-length'));
     my @pairs=split(/&/,$buffer);      my @pairs=split(/&/,$buffer);
     my $pair; my $name; my $value; my %FORM;      my $pair; my $name; my $value;
       undef %FORM;
       %FORM=();
     foreach $pair (@pairs) {      foreach $pair (@pairs) {
        ($name,$value) = split(/=/,$pair);         ($name,$value) = split(/=/,$pair);
          $value =~ tr/+/ /;
          $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
        $FORM{$name}=$value;         $FORM{$name}=$value;
     }       } 
   
Line 91  sub handler { Line 256  sub handler {
         return OK;          return OK;
     }      }
     $FORM{'uname'} =~ s/\W//g;      $FORM{'uname'} =~ s/\W//g;
     $FORM{'upass'} =~ s/\W//g;  
     $FORM{'udom'}  =~ s/\W//g;      $FORM{'udom'}  =~ s/\W//g;
   
     my $role   = $r->dir_config('lonRole');      my $role   = $r->dir_config('lonRole');
     my $domain = $r->dir_config('lonDefDomain');      my $domain = $r->dir_config('lonDefDomain');
     my $prodir = $r->dir_config('lonUsersDir');      my $prodir = $r->dir_config('lonUsersDir');
   
   # ---------------------------------------- Get the information from login token
   
       my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},
                                         $FORM{'serverid'});
   
       if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
    failed($r,'Login token missing, inaccessible or expired');
           return OK;
       }
       
       my ($key,$firsturl)=split(/&/,$tmpinfo);
   
       my $keybin=pack("H16",$key);
   
       my $cipher;
       if ($Crypt::DES::VERSION>=2.03) {
    $cipher=new Crypt::DES $keybin;
       }
       else {
    $cipher=new DES $keybin;
       }
   
       my $upass=$cipher->decrypt(
          unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));
   
       $upass.=$cipher->decrypt(
          unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));
   
       $upass=substr($upass,1,ord(substr($upass,0,1)));
   
 # ---------------------------------------------------------------- Authenticate  # ---------------------------------------------------------------- Authenticate
     my $authhost=Apache::lonnet::authenticate($FORM{'uname'},      my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
                                               $FORM{'upass'},                                                $upass,
                                               $FORM{'udom'});                                                $FORM{'udom'});
           
 # --------------------------------------------------------------------- Failed?  # --------------------------------------------------------------------- Failed?
Line 110  sub handler { Line 304  sub handler {
         return OK;          return OK;
     }      }
   
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));      if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {
     my $lonurl=$cookies{'lonURL'};   $firsturl='/adm/roles';
     if (!$lonurl) { failed($r,'Cookies need to be activated'); return OK; }      }
     my $lowerurl=$lonurl->value;  
   
     success($r,$lowerurl,$FORM{'uname'},$FORM{'udom'},$authhost);      success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
     return OK;      return OK;
 }  }
   
 1;  1;
 __END__  __END__
   
   
Removed from v.1.2  
changed lines
  Added in v.1.38

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