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Diff for /loncom/auth/lonauth.pm between versions 1.41 and 1.63

version 1.41, 2003/02/20 06:49:23 version 1.63, 2004/10/28 16:25:19
Line 42  use CGI qw(:standard); Line 42  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::lonnet();  use Apache::lonnet();
 use Apache::lonmenu();  use Apache::lonmenu();
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
   use Apache::lonlocal;
   
 my %FORM;  my %FORM;
   
Line 77  sub success { Line 79  sub success {
   
 # ------------------------------------ Check browser type and MathML capability  # ------------------------------------ Check browser type and MathML capability
   
     my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet"));      my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
     my %mathcap=split(/\&/,$r->dir_config("lonMathML"));          $clientunicode,$clientos) = &Apache::loncommon::decode_user_agent($r);
     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'; }  
   
 # -------------------------------------- Any accessibility options to remember?  # -------------------------------------- Any accessibility options to remember?
     if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) {      if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) {
Line 133  sub success { Line 107  sub success {
     if (($userenv{'interface'}) && (!$FORM{'interface'})) {      if (($userenv{'interface'}) && (!$FORM{'interface'})) {
  $FORM{'interface'}=$userenv{'interface'};   $FORM{'interface'}=$userenv{'interface'};
     }      }
       $ENV{'environment.remote'}=$userenv{'remote'};
   # --------------- Do not trust query string to be put directly into environment
       foreach ('imagesuppress','appletsuppress',
        'embedsuppress','fontenhance','blackwhite',
        'interface','localpath','localres') {
    $FORM{$_}=~s/[\n\r\=]//gs;
       }
 # --------------------------------------------------------- Write first profile  # --------------------------------------------------------- Write first profile
   
     {      {
Line 152  sub success { Line 133  sub success {
  print $idf "browser.mathml=$clientmathml\n";   print $idf "browser.mathml=$clientmathml\n";
  print $idf "browser.unicode=$clientunicode\n";   print $idf "browser.unicode=$clientunicode\n";
  print $idf "browser.os=$clientos\n";   print $idf "browser.os=$clientos\n";
           if ($FORM{'localpath'}) {
              print $idf "browser.localpath=$FORM{'localpath'}\n";
              print $idf "browser.localres=$FORM{'localres'}\n";
           }
  print $idf "request.course.fn=\n";   print $idf "request.course.fn=\n";
  print $idf "request.course.uri=\n";   print $idf "request.course.uri=\n";
  print $idf "request.course.sec=\n";   print $idf "request.course.sec=\n";
  print $idf "request.role=cm\n";   print $idf "request.role=cm\n";
  print $idf "request.host=$ENV{'HTTP_HOST'}\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";      print $idf "browser.interface=$FORM{'interface'}\n";
Line 173  sub success { Line 159  sub success {
  $idf->close();   $idf->close();
     }      }
     $ENV{'request.role'}='cm';      $ENV{'request.role'}='cm';
       $ENV{'request.role.adv'}=$ENV{'user.adv'};
     $ENV{'browser.type'}=$clientbrowser;      $ENV{'browser.type'}=$clientbrowser;
 # -------------------------------------------------------------------- Log this  # -------------------------------------------------------------------- Log this
   
Line 194  sub success { Line 181  sub success {
 # -------------------------------------------------------- Menu script and info  # -------------------------------------------------------- Menu script and info
     my $windowinfo=&Apache::lonmenu::open($clientos);      my $windowinfo=&Apache::lonmenu::open($clientos);
     my $startupremote=&Apache::lonmenu::startupremote($lowerurl);      my $startupremote=&Apache::lonmenu::startupremote($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 $add=&addcontent();
 # ------------------------------------------------- Output for successful login  # ------------------------------------------------- Output for successful login
   
     $r->send_cgi_header(<<ENDHEADER);      $r->send_cgi_header(<<ENDHEADER);
 Content-type: text/html  Content-type: text/html$add
 Set-cookie: $cookie  Set-cookie: $cookie
   
 ENDHEADER  ENDHEADER
       my %lt=&Apache::lonlocal::texthash(
          'wel' => 'Welcome',
          'mes' => 'Welcome to the Learning<i>Online</i> Network with CAPA. Please wait while your session is being set up',
          'pro' => 'Problems',
          'log' => 'loginproblems.html',
          );
     $r->print(<<ENDSUCCESS);      $r->print(<<ENDSUCCESS);
 <html>  <html>
 <head>  <head>
 <title>Successful Login to the LearningOnline Network with CAPA</title>  <title>Successful Login to the LearningOnline Network with CAPA</title>
 $startupremote  $startupremote
 </head>  </head>
 <body bgcolor="#FFFFFF">  $bodytag
 $setflags  $setflags
 $windowinfo  $windowinfo
 <h1>Welcome!</h1>  <h1>$lt{'wel'}</h1>
 Welcome to the Learning<i>Online</i> Network with CAPA.  $lt{'mes'}.<p>
 Please wait while your session  <a href="/adm/$lt{'log'}">$lt{'pro'}?</a></p>
 is being set up.<p>  $remoteinfo
 <a href="/adm/loginproblems.html">Problems?</a></p>  
 $maincall  $maincall
 </body>  </body>
 </html>  </html>
Line 227  ENDSUCCESS Line 222  ENDSUCCESS
   
 sub failed {  sub failed {
     my ($r,$message) = @_;      my ($r,$message) = @_;
       my $bodytag=&Apache::loncommon::bodytag('Unsuccessful Login');
       my $add=&addcontent();
     $r->send_cgi_header(<<ENDFHEADER);      $r->send_cgi_header(<<ENDFHEADER);
 Content-type: text/html  Content-type: text/html$add
   
 ENDFHEADER  ENDFHEADER
     $r->print(<<ENDFAILED);      $r->print(<<ENDFAILED);
Line 236  ENDFHEADER Line 233  ENDFHEADER
 <head>  <head>
 <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>  <title>Unsuccessful Login to the LearningOnline Network with CAPA</title>
 </head>  </head>
 <html>  $bodytag
 <body bgcolor="#FFFFFF">  
 <h1>Sorry ...</h1>  <h1>Sorry ...</h1>
 <h2>$message to use the Learning<i>Online</i> Network with CAPA</h2>  <p><b>$message</b></p>
   <p>Please <a href="/adm/login?username=$FORM{'uname'}&domain=$FORM{'udom'}">log in again</a>.</p>
   <p>
   <a href="/adm/loginproblems.html">Problems?</a></p>
 </body>  </body>
 </html>  </html>
 ENDFAILED  ENDFAILED
 }  }
   
   # --------------------------------------------------------------------- Charset
   
   sub addcontent {
       my $encoding=&Apache::lonlocal::current_encoding;
       if ($encoding) {
    return '; charset='.$encoding;
       } else {
    return '';
       }
   }
   
   # ------------------------------------------------------------------ Rerouting!
   
   sub reroute {
       my $r=shift;
       my $bodytag=&Apache::loncommon::bodytag('Rerouting');
       $r->send_cgi_header(<<ENDRFHEADER);
   Content-type: text/html
   
   ENDRFHEADER
       $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
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   
   # Are we re-routing?
       if (-e '/home/httpd/html/lon-status/reroute.txt') {
    &reroute($r);
    return OK;
       }
   
       &Apache::lonlocal::get_language_handle($r);
   
   # -------------------------------- Prevent users from attempting to login twice
       my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
       my $lonid=$cookies{'lonID'};
       my $cookie;
       if ($lonid) {
    my $handle=$lonid->value;
           $handle=~s/\W//g;
           my $lonidsdir=$r->dir_config('lonIDsDir');
           if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
   # Indeed, a valid token is found
       $r->send_cgi_header(<<ENDFHEADER);
   Content-type: text/html
   
   ENDFHEADER
       my $bodytag=&Apache::loncommon::bodytag('Already logged in');
       $r->print(<<ENDFAILED);
   <html>
   <head>
   <title>Already logged in</title>
   </head>
   $bodytag
   <h1>You are already logged in</h1>
   <p>Please either <a href="/adm/roles">continue the current session</a> or
   <a href="/adm/logout">logout</a>.</p>
   <p>
   <a href="/adm/loginproblems.html">Problems?</a></p>
   </body>
   </html>
   ENDFAILED
              return OK;
    }
       }
   
   # ---------------------------------------------------- No valid token, continue
   
   
     my $buffer;      my $buffer;
     $r->read($buffer,$r->header_in('Content-length'));      $r->read($buffer,$r->header_in('Content-length'),0);
     my @pairs=split(/&/,$buffer);      my @pairs=split(/&/,$buffer);
     my $pair; my $name; my $value;      my $pair; my $name; my $value;
     undef %FORM;      undef %FORM;
Line 264  sub handler { Line 340  sub handler {
     }       } 
   
     if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {      if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$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;
     }      }
   
   # split user logging in and "su"-user
   
       ($FORM{'uname'},$FORM{'suname'})=split(/\:/,$FORM{'uname'});
     $FORM{'uname'} =~ s/\W//g;      $FORM{'uname'} =~ s/\W//g;
       $FORM{'suname'} =~ 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');
Line 280  sub handler { Line 361  sub handler {
                                       $FORM{'serverid'});                                        $FORM{'serverid'});
   
     if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {      if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
  failed($r,'Login token missing, inaccessible or expired');   failed($r,'Information needed to verify your login information is missing, inaccessible or expired.');
         return OK;          return OK;
       } else {
           unless (&Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'},
                                            $FORM{'serverid'}) eq 'ok') {
               &failed($r,'Session could not be opened.');
    }
     }      }
       
     my ($key,$firsturl)=split(/&/,$tmpinfo);      my ($key,$firsturl)=split(/&/,$tmpinfo);
   
     my $keybin=pack("H16",$key);      my $keybin=pack("H16",$key);
Line 312  sub handler { Line 397  sub handler {
 # --------------------------------------------------------------------- Failed?  # --------------------------------------------------------------------- Failed?
   
     if ($authhost eq 'no_host') {      if ($authhost eq 'no_host') {
  failed($r,'Username and/or password could not be authenticated');   failed($r,'Username and/or password could not be authenticated.');
         return OK;          return OK;
     }      }
   
     if (($firsturl eq '') || ($firsturl eq '/adm/logout')) {      if (($firsturl eq '') || 
    ($firsturl=~/^\/adm\/(logout|remote)/)) {
  $firsturl='/adm/roles';   $firsturl='/adm/roles';
     }      }
   # --------------------------------- Are we attempting to login as somebody else?
     success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);      if ($FORM{'suname'}) {
   # ------------ see if the original user has enough privileges to pull this stunt
    if (&Apache::lonnet::privileged($FORM{'uname'},$FORM{'udom'})) {
   # ---------------------------------------------------- see if the su-user exists
       unless (&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'})
    eq 'no_host') {
    &Apache::lonnet::logthis(&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'}));
   # ------------------------------ see if the su-user is not too highly privileged
    unless (&Apache::lonnet::privileged($FORM{'suname'},$FORM{'udom'})) {
   # -------------------------------------------------------- actually switch users
       &Apache::lonnet::logperm('User '.$FORM{'uname'}.' at '.$FORM{'udom'}.
    ' logging in as '.$FORM{'suname'});
       $FORM{'uname'}=$FORM{'suname'};
    } else {
       &Apache::lonnet::logthis('Attempted switch user to privileged user');
    }
       }
    } else {
       &Apache::lonnet::logthis('Non-privileged user attempting switch user');
    }
       }
       &success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);
     return OK;      return OK;
 }  }
   
Removed from v.1.41  
changed lines
  Added in v.1.63

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