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Diff for /loncom/auth/lonauth.pm between versions 1.64 and 1.81

version 1.64, 2005/02/07 20:33:04 version 1.81, 2006/08/30 16:50:23
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # 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  
 # 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 strict;
   use LONCAPA;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File;  
 use CGI qw(:standard);  use CGI qw(:standard);
 use CGI::Cookie();  use CGI::Cookie();
 use DynaLoader; # for Crypt::DES version  use DynaLoader; # for Crypt::DES version
 use Crypt::DES;  use Crypt::DES;
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::lonmenu();  use Apache::lonmenu();
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
 use Apache::lonlocal;  use Apache::lonlocal;
Line 53  my %FORM; Line 46  my %FORM;
 # ------------------------------------------------------------ Successful login  # ------------------------------------------------------------ Successful login
   
 sub success {  sub success {
     my ($r, $username, $domain, $authhost,$lowerurl) = @_;      my ($r, $username, $domain, $authhost, $lowerurl, $extra_env) = @_;
     my $lonids=$r->dir_config('lonIDsDir');      my $lonids=$r->dir_config('lonIDsDir');
   
       my $public=($username eq 'public' && $domain eq 'public');
   
 # See if old ID present, if so, remove  # See if old ID present, if so, remove
   
     my $filename;      my ($filename,$cookie,$userroles);
     opendir(DIR,$lonids);      my $now=time;
     while ($filename=readdir(DIR)) {  
        if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {  
   unlink($lonids.'/'.$filename);  
        }  
     }  
     closedir(DIR);  
   
 # Give them a new cookie      if ($public) {
    my $max_public=100;
    my $oldest;
    my $oldest_time=0;
    for(my $next=1;$next<=$max_public;$next++) {
       if (-e $lonids."/publicuser_$next.id") {
    my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
    if ($mtime<$oldest_time || !$oldest_time) {
       $oldest_time=$mtime;
       $oldest=$next;
    }
       } else {
    $cookie="publicuser_$next";
    last;
       }
    }
    if (!$cookie) { $cookie="publicuser_$oldest"; }
       } else {
    opendir(DIR,$lonids);
    while ($filename=readdir(DIR)) {
       if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
    unlink($lonids.'/'.$filename);
       }
    }
    closedir(DIR);
   
     my $cookie;  # Give them a new cookie
     my $now=time;  
     $cookie="$username\_$now\_$domain\_$authhost";  
   
    $cookie="$username\_$now\_$domain\_$authhost";
       
 # Initialize roles  # Initialize roles
   
     my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);   $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
       }
 # ------------------------------------ Check browser type and MathML capability  # ------------------------------------ Check browser type and MathML capability
   
     my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,      my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
Line 96  sub success { Line 109  sub success {
     }      }
 # ------------------------------------------------------------- Get environment  # ------------------------------------------------------------- Get environment
   
     my $userenv;  
     my %userenv=Apache::lonnet::dump('environment',$domain,$username);      my %userenv=Apache::lonnet::dump('environment',$domain,$username);
     my ($tmp) = keys(%userenv);      my ($tmp) = keys(%userenv);
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {      if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
  foreach my $key (keys(%userenv)) {   # default remote control to off
     $userenv.="environment.$key=$userenv{$key}\n";   if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
  }      } else {
    undef(%userenv);
     }      }
     if (($userenv{'interface'}) && (!$FORM{'interface'})) {      if (($userenv{'interface'}) && (!$FORM{'interface'})) {
  $FORM{'interface'}=$userenv{'interface'};   $FORM{'interface'}=$userenv{'interface'};
     }      }
     $ENV{'environment.remote'}=$userenv{'remote'};      $env{'environment.remote'}=$userenv{'remote'};
       if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
   
 # --------------- Do not trust query string to be put directly into environment  # --------------- Do not trust query string to be put directly into environment
     foreach ('imagesuppress','appletsuppress',      foreach ('imagesuppress','appletsuppress',
      'embedsuppress','fontenhance','blackwhite',       'embedsuppress','fontenhance','blackwhite',
Line 117  sub success { Line 132  sub success {
 # --------------------------------------------------------- Write first profile  # --------------------------------------------------------- Write first profile
   
     {      {
  my $idf=Apache::File->new(">$lonids/$cookie.id");   my %initial_env = 
  unless (flock($idf,LOCK_EX)) {      ("user.name"          => $username,
     &Apache::lonnet::logthis("<font color=blue>WARNING: ".       "user.domain"        => $domain,
    'Could not obtain exclusive lock in lonauth: '.$!);       "user.home"          => $authhost,
     $idf->close();       "browser.type"       => $clientbrowser,
     return 'error: '.$!;       "browser.version"    => $clientversion,
  }       "browser.mathml"     => $clientmathml,
  if ($userenv ne '') { print $idf "$userenv\n"; }       "browser.unicode"    => $clientunicode,
  print $idf "user.name=$username\n";       "browser.os"         => $clientos,
  print $idf "user.domain=$domain\n";       "server.domain"      => $r->dir_config('lonDefDomain'),
  print $idf "user.home=$authhost\n";       "request.course.fn"  => '',
  print $idf "browser.type=$clientbrowser\n";       "request.course.uri" => '',
  print $idf "browser.version=$clientversion\n";       "request.course.sec" => '',
  print $idf "browser.mathml=$clientmathml\n";       "request.role"       => 'cm',
  print $idf "browser.unicode=$clientunicode\n";       "request.role.adv"   => $env{'user.adv'},
  print $idf "browser.os=$clientos\n";       "request.host"       => $ENV{'REMOTE_ADDR'},);
   
         if ($FORM{'localpath'}) {          if ($FORM{'localpath'}) {
            print $idf "browser.localpath=$FORM{'localpath'}\n";      $initial_env{"browser.localpath"}  = $FORM{'localpath'};
            print $idf "browser.localres=$FORM{'localres'}\n";      $initial_env{"browser.localres"}   = $FORM{'localres'};
         }          }
  print $idf "request.course.fn=\n";  
  print $idf "request.course.uri=\n";   if ($public) {
  print $idf "request.course.sec=\n";      $initial_env{"environment.remote"} = "off";
  print $idf "request.role=cm\n";   }
         print $idf "request.role.adv=$ENV{'user.adv'}\n";  
  print $idf "request.host=$ENV{'REMOTE_ADDR'}\n";  
  if ($FORM{'interface'}) {   if ($FORM{'interface'}) {
     $FORM{'interface'}=~s/\W//gs;      $FORM{'interface'}=~s/\W//gs;
     print $idf "browser.interface=$FORM{'interface'}\n";      $initial_env{"browser.interface"} = $FORM{'interface'};
     $ENV{'browser.interface'}=$FORM{'interface'};      $env{'browser.interface'}=$FORM{'interface'};
     foreach ('imagesuppress','appletsuppress',      foreach my $option ('imagesuppress','appletsuppress',
      'embedsuppress','fontenhance','blackwhite') {   'embedsuppress','fontenhance','blackwhite') {
  if (($FORM{$_} eq 'true') ||   if (($FORM{$option} eq 'true') ||
     ($userenv{$_} eq 'on')) {      ($userenv{$option} eq 'on')) {
     print $idf "browser.$_=on\n";      $initial_env{"browser.$option"} = "on";
  }   }
     }      }
  }   }
  if ($userroles ne '') { print $idf "$userroles"; }  
  $idf->close();   $env{'user.environment'} = "$lonids/$cookie.id";
     }   open(my $idf,">$lonids/$cookie.id");
     $ENV{'request.role'}='cm';   unless (flock($idf,LOCK_EX)) {
     $ENV{'request.role.adv'}=$ENV{'user.adv'};      &Apache::lonnet::logthis("<font color=blue>WARNING: ".
     $ENV{'browser.type'}=$clientbrowser;     'Could not obtain exclusive lock in lonauth: '.$!);
       close($idf);
       return 'error: '.$!;
    }
   
    &add_to_env($idf,\%initial_env);
    &add_to_env($idf,\%userenv);
    &add_to_env($idf,$userroles);
    &add_to_env($idf,$extra_env);
    close($idf);
       }
       $env{'request.role'}='cm';
       $env{'request.role.adv'}=$env{'user.adv'};
       $env{'browser.type'}=$clientbrowser;
 # -------------------------------------------------------------------- Log this  # -------------------------------------------------------------------- Log this
   
     &Apache::lonnet::log($domain,$username,$authhost,      &Apache::lonnet::log($domain,$username,$authhost,
Line 177  sub success { Line 204  sub success {
   
 # ------------------------------------------------------------ Get cookie ready  # ------------------------------------------------------------ Get cookie ready
   
       if ($public or $lowerurl eq 'noredirect') { return $cookie; }
   
     $cookie="lonID=$cookie; path=/";      $cookie="lonID=$cookie; path=/";
 # -------------------------------------------------------- Menu script and info  # -------------------------------------------------------- Menu script and info
     my $windowinfo=&Apache::lonmenu::open($clientos);      my $windowinfo=&Apache::lonmenu::open($clientos);
Line 184  sub success { Line 213  sub success {
     my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl);      my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl);
     my $setflags=&Apache::lonmenu::setflags();      my $setflags=&Apache::lonmenu::setflags();
     my $maincall=&Apache::lonmenu::maincall();      my $maincall=&Apache::lonmenu::maincall();
     my $bodytag=&Apache::loncommon::bodytag('Successful Login');      my $start_page=&Apache::loncommon::start_page('Successful Login',
     my $add=&addcontent();    $startupremote,
     {'no_inline_link' => 1,});
       my $end_page  =&Apache::loncommon::end_page();
   
     my $continuelink;      my $continuelink;
     if (($ENV{'browser.interface'} eq 'textual') ||      if (($env{'browser.interface'} eq 'textual') ||
         ($ENV{'environment.remote'} eq 'off')) {          ($env{'environment.remote'} eq 'off')) {
  $continuelink="<a href=\"$lowerurl\">".&mt('Continue')."</a>";   $continuelink="<a href=\"$lowerurl\">".&mt('Continue')."</a>";
     }      }
 # ------------------------------------------------- Output for successful login  # ------------------------------------------------- Output for successful login
   
     $r->send_cgi_header(<<ENDHEADER);      &Apache::loncommon::content_type($r,'text/html');
 Content-type: text/html$add      $r->header_out('Set-cookie' => $cookie);
 Set-cookie: $cookie      $r->send_http_header;
   
 ENDHEADER  
     my %lt=&Apache::lonlocal::texthash(      my %lt=&Apache::lonlocal::texthash(
        'wel' => 'Welcome',         'wel' => 'Welcome',
        'mes' => 'Welcome to the Learning<i>Online</i> Network with CAPA. Please wait while your session is being set up',         'mes' => 'Welcome to the Learning<i>Online</i> Network with CAPA. Please wait while your session is being set up',
Line 205  ENDHEADER Line 236  ENDHEADER
        'log' => 'loginproblems.html',         'log' => 'loginproblems.html',
        );         );
     $r->print(<<ENDSUCCESS);      $r->print(<<ENDSUCCESS);
 <html>  $start_page
 <head>  
 <title>Successful Login to the LearningOnline Network with CAPA</title>  
 $startupremote  
 </head>  
 $bodytag  
 $setflags  $setflags
 $windowinfo  $windowinfo
 <h1>$lt{'wel'}</h1>  <h1>$lt{'wel'}</h1>
Line 219  $lt{'mes'}.<p> Line 245  $lt{'mes'}.<p>
 $remoteinfo  $remoteinfo
 $maincall  $maincall
 $continuelink  $continuelink
 </body>  $end_page
 </html>  
 ENDSUCCESS  ENDSUCCESS
 }  }
   
   sub add_to_env {
       my ($idf,$env_data) = @_;
       @env{keys(%$env_data)} = @$env_data{keys(%$env_data)};
       while (my ($key,$value) = each(%$env_data)) {
    print $idf (&escape($key).'='.&escape($value)."\n");
       }
   }
   
 # --------------------------------------------------------------- Failed login!  # --------------------------------------------------------------- Failed login!
   
 sub failed {  sub failed {
     my ($r,$message) = @_;      my ($r,$message) = @_;
     my $bodytag=&Apache::loncommon::bodytag('Unsuccessful Login');      my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,
     my $add=&addcontent();      {'no_inline_link' => 1,});
     $r->send_cgi_header(<<ENDFHEADER);      my $end_page   = &Apache::loncommon::end_page();
 Content-type: text/html$add  
       my %lt=('sorry'  => &mt('Sorry ...'),
       'please' => 
       &mt('Please [_1]log in again[_2].',
    "<a href=\"/adm/login?username=$FORM{'uname'}&domain=$FORM{'udom'}\">",
    '</a>'),
       'problemspage' => &mt('loginproblems.html'),
       'problems'     => 'Problems',
       );
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
   
 ENDFHEADER  
     $r->print(<<ENDFAILED);      $r->print(<<ENDFAILED);
 <html>  $start_page
 <head>  <h1>$lt{'sorry'}</h1>
 <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>  
 </head>  
 $bodytag  
 <h1>Sorry ...</h1>  
 <p><b>$message</b></p>  <p><b>$message</b></p>
 <p>Please <a href="/adm/login?username=$FORM{'uname'}&domain=$FORM{'udom'}">log in again</a>.</p>  <p>$lt{'please'}</p>
 <p>  <p>
 <a href="/adm/loginproblems.html">Problems?</a></p>  <a href="/adm/$lt{'problemspage'}">$lt{'problems'}</a></p>
 </body>  $end_page
 </html>  
 ENDFAILED  ENDFAILED
 }  }
   
 # --------------------------------------------------------------------- Charset  
   
 sub addcontent {  
     my $encoding=&Apache::lonlocal::current_encoding;  
     if ($encoding) {  
  return '; charset='.$encoding;  
     } else {  
  return '';  
     }  
 }  
   
 # ------------------------------------------------------------------ Rerouting!  # ------------------------------------------------------------------ Rerouting!
   
 sub reroute {  sub reroute {
     my $r=shift;      my ($r) = @_;
     my $bodytag=&Apache::loncommon::bodytag('Rerouting');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_cgi_header(<<ENDRFHEADER);      $r->send_http_header;
 Content-type: text/html      my $msg='<h1>Sorry ...</h1>
                Please <a href="/">log in again</a>.';
 ENDRFHEADER      &Apache::loncommon::simple_error_page($r,'Rerouting',$msg);
     $r->print(<<ENDRFAILED);  
 <html>  
 <head>  
 <title>Rerouting Login to the LearningOnline Network with CAPA</title>  
 </head>  
 $bodytag  
 <h1>Sorry ...</h1>  
 Please <a href="/">log in again</a>.  
 </body>  
 </html>  
 ENDRFAILED  
 }  }
   
 # ---------------------------------------------------------------- Main handler  # ---------------------------------------------------------------- Main handler
Line 306  sub handler { Line 321  sub handler {
         my $lonidsdir=$r->dir_config('lonIDsDir');          my $lonidsdir=$r->dir_config('lonIDsDir');
         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {          if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
 # Indeed, a valid token is found  # Indeed, a valid token is found
     $r->send_cgi_header(<<ENDFHEADER);      &Apache::loncommon::content_type($r,'text/html');
 Content-type: text/html      $r->send_http_header;
       my $start_page = 
 ENDFHEADER   &Apache::loncommon::start_page('Already logged in');
     my $bodytag=&Apache::loncommon::bodytag('Already logged in');      my $end_page = 
    &Apache::loncommon::end_page();
     $r->print(<<ENDFAILED);      $r->print(<<ENDFAILED);
 <html>  $start_page
 <head>  
 <title>Already logged in</title>  
 </head>  
 $bodytag  
 <h1>You are already logged in</h1>  <h1>You are already logged in</h1>
 <p>Please either <a href="/adm/roles">continue the current session</a> or  <p>Please either <a href="/adm/roles">continue the current session</a> or
 <a href="/adm/logout">logout</a>.</p>  <a href="/adm/logout">logout</a>.</p>
 <p>  <p>
 <a href="/adm/loginproblems.html">Problems?</a></p>  <a href="/adm/loginproblems.html">Problems?</a></p>
 </body>  $end_page
 </html>  
 ENDFAILED  ENDFAILED
            return OK;             return OK;
  }   }
Line 345  ENDFAILED Line 356  ENDFAILED
        $FORM{$name}=$value;         $FORM{$name}=$value;
     }       } 
   
     if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {      if ((!$FORM{'uname'}) || (!$FORM{'upass0'}) || (!$FORM{'udom'})) {
  failed($r,'Username, password and domain need to be specified.');   failed($r,'Username, password and domain need to be specified.');
         return OK;          return OK;
     }      }
Line 370  ENDFAILED Line 381  ENDFAILED
  failed($r,'Information needed to verify your login information is missing, inaccessible or expired.');   failed($r,'Information needed to verify your login information is missing, inaccessible or expired.');
         return OK;          return OK;
     } else {      } else {
         unless (&Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'},   my $reply = &Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'},
                                          $FORM{'serverid'}) eq 'ok') {     $FORM{'serverid'});
           if ( $reply ne 'ok' ) {
             &failed($r,'Session could not be opened.');              &failed($r,'Session could not be opened.');
       &Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $FORM{'serverid'}." to get login token");
       return OK;
  }   }
     }      }
     my ($key,$firsturl)=split(/&/,$tmpinfo);      my ($key,$firsturl)=split(/&/,$tmpinfo);
Line 386  ENDFAILED Line 400  ENDFAILED
     else {      else {
  $cipher=new DES $keybin;   $cipher=new DES $keybin;
     }      }
       my $upass='';
       for (my $i=0;$i<=2;$i++) {
    my $chunk=
       $cipher->decrypt(unpack("a8",pack("H16",substr($FORM{'upass'.$i},0,16))));
   
     my $upass=$cipher->decrypt(   $chunk.=
        unpack("a8",pack("H16",substr($FORM{'upass'},0,16))));      $cipher->decrypt(unpack("a8",pack("H16",substr($FORM{'upass'.$i},16,16))));
   
     $upass.=$cipher->decrypt(  
        unpack("a8",pack("H16",substr($FORM{'upass'},16,16))));  
   
     $upass=substr($upass,1,ord(substr($upass,0,1)));   $chunk=substr($chunk,1,ord(substr($chunk,0,1)));
    $upass.=$chunk;
       }
   
 # ---------------------------------------------------------------- Authenticate  # ---------------------------------------------------------------- Authenticate
     my $authhost=Apache::lonnet::authenticate($FORM{'uname'},      my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
Line 433  ENDFAILED Line 450  ENDFAILED
     &Apache::lonnet::logthis('Non-privileged user attempting switch user');      &Apache::lonnet::logthis('Non-privileged user attempting switch user');
  }   }
     }      }
     &success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);      if ($r->dir_config("lonBalancer") eq 'yes') {
    &success($r,$FORM{'uname'},$FORM{'udom'},$authhost,'noredirect');
    $r->internal_redirect('/adm/switchserver');
       } else {
    &success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
       }
     return OK;      return OK;
 }  }
   
Removed from v.1.64  
changed lines
  Added in v.1.81

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