[BACK]Return to lonauth.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / auth

Diff for /loncom/auth/lonauth.pm between versions 1.76 and 1.101.10.1

version 1.76, 2006/05/01 21:04:31 version 1.101.10.1, 2010/09/15 18:28:45
Line 29 Line 29
 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 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 Apache::createaccount;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
 use Apache::lonlocal;  use Apache::lonlocal;
   use HTML::Entities;
 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');   $form) = @_;
   
     my $public=($username eq 'public' && $domain eq 'public');  
   
 # See if old ID present, if so, remove  
   
     my ($filename,$cookie,$userroles);  
     my $now=time;  
   
     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);  
   
 # Give them a new cookie  
   
  $cookie="$username\_$now\_$domain\_$authhost";  
       
 # Initialize roles  
   
  $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost);  
     }  
 # ------------------------------------ Check browser type and MathML capability  
   
     my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,  # ------------------------------------------------------------ Get cookie ready
         $clientunicode,$clientos) = &Apache::loncommon::decode_user_agent($r);      my $cookie =
    &Apache::loncommon::init_user_environment($r, $username, $domain,
     $authhost, $form,
     {'extra_env' => $extra_env,});
   
 # -------------------------------------- Any accessibility options to remember?      my $public=($username eq 'public' && $domain eq 'public');
     if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) {  
  foreach ('imagesuppress','appletsuppress',  
  'embedsuppress','fontenhance','blackwhite') {  
     if ($FORM{$_} eq 'true') {  
  &Apache::lonnet::put('environment',{$_ => 'on'},  
      $domain,$username);  
     } else {  
  &Apache::lonnet::del('environment',[$_],$domain,$username);  
     }  
  }  
     }  
 # ------------------------------------------------------------- Get environment  
   
     my $userenv;      if ($public or $lowerurl eq 'noredirect') { return $cookie; }
     my %userenv=Apache::lonnet::dump('environment',$domain,$username);  
     my ($tmp) = keys(%userenv);  
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {  
  # default remote control to off  
  if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }  
  foreach my $key (keys(%userenv)) {  
     $userenv.="environment.$key=$userenv{$key}\n";  
  }  
     }  
     if (($userenv{'interface'}) && (!$FORM{'interface'})) {  
  $FORM{'interface'}=$userenv{'interface'};  
     }  
     $env{'environment.remote'}=$userenv{'remote'};  
     if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }  
   
 # --------------- 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  
   
     {  
  my $idf=Apache::File->new(">$lonids/$cookie.id");  
  unless (flock($idf,LOCK_EX)) {  
     &Apache::lonnet::logthis("<font color=blue>WARNING: ".  
    '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";  
         if ($FORM{'localpath'}) {  
            print $idf "browser.localpath=$FORM{'localpath'}\n";  
            print $idf "browser.localres=$FORM{'localres'}\n";  
         }  
         print $idf "server.domain=".$r->dir_config('lonDefDomain')."\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 $idf "request.role.adv=$env{'user.adv'}\n";  
  print $idf "request.host=$ENV{'REMOTE_ADDR'}\n";  
  if ($public) {  
     print $idf "environment.remote=off\n";  
  }  
  if ($FORM{'interface'}) {  
     $FORM{'interface'}=~s/\W//gs;  
     print $idf "browser.interface=$FORM{'interface'}\n";  
     $env{'browser.interface'}=$FORM{'interface'};  
     foreach ('imagesuppress','appletsuppress',  
      'embedsuppress','fontenhance','blackwhite') {  
  if (($FORM{$_} eq 'true') ||  
     ($userenv{$_} eq 'on')) {  
     print $idf "browser.$_=on\n";  
  }  
     }  
  }  
  if ($userroles ne '') { print $idf "$userroles"; }  
  $idf->close();  
     }  
     $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 197  sub success { Line 72  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 $destination = $lowerurl;
     my $startupremote=&Apache::lonmenu::startupremote($lowerurl);  
       if (defined($form->{role})) {
           my $envkey = 'user.role.'.$form->{role};
           my $now=time;
           my $then=$env{'user.login.time'};
           my $refresh=$env{'user.refresh.time'};
           if (exists($env{$envkey})) {
               my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
               &Apache::lonnet::role_status($envkey,$then,$refresh,$now,\$role,\$where,
                                            \$trolecode,\$tstatus,\$tstart,\$tend);
               if ($tstatus eq 'is') {
                   $destination  .= ($destination =~ /\?/) ? '&' : '?';
                   my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
                   $destination .= 'selectrole=1&'.$newrole.'=1';
               }
           }
       }
       if (defined($form->{symb})) {
           my $destsymb = $form->{symb};
           $destination  .= ($destination =~ /\?/) ? '&' : '?';
           if ($destsymb =~ /___/) {
               # FIXME Need to deal with encrypted symbs and urls as needed.
               my ($map,$resid,$desturl)=split(/___/,$destsymb);
               unless ($desturl=~/^(adm|uploaded|editupload|public)/) {
                   $desturl = &Apache::lonnet::clutter($desturl);
               }
               $desturl = &HTML::Entities::encode($desturl,'"<>&');
               $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
               $destination .= '&destinationurl='.$desturl.
                               '&destsymb='.$destsymb;
           } else {
               $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
               $destination .= '&destinationurl='.$destsymb;
           }
       }
   
       my $windowinfo=&Apache::lonmenu::open($env{'browser.os'});
       my $startupremote=&Apache::lonmenu::startupremote($destination);
     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 $brcrum = [{'href' => '',
                      'text' => 'Successful Login'},];
     my $start_page=&Apache::loncommon::start_page('Successful Login',      my $start_page=&Apache::loncommon::start_page('Successful Login',
   $startupremote,                                                    $startupremote,
   {'no_inline_link' => 1,});                                                    {'no_inline_link' => 1,
                                                      'bread_crumbs' => $brcrum,});
     my $end_page  =&Apache::loncommon::end_page();      my $end_page  =&Apache::loncommon::end_page();
   
     my $continuelink;      my $continuelink;
     if (($env{'browser.interface'} eq 'textual') ||      if ($env{'environment.remote'} eq 'off') {
         ($env{'environment.remote'} eq 'off')) {   $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
  $continuelink="<a href=\"$lowerurl\">".&mt('Continue')."</a>";  
     }      }
 # ------------------------------------------------- Output for successful login  # ------------------------------------------------- Output for successful login
   
Line 225  sub success { Line 136  sub success {
   
     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.',
        'pro' => 'Problems',         'pro' => 'Login problems?',
        'log' => 'loginproblems.html',         'log' => 'loginproblems.html',
        );         );
     $r->print(<<ENDSUCCESS);      $r->print(<<ENDSUCCESS);
Line 234  $start_page Line 145  $start_page
 $setflags  $setflags
 $windowinfo  $windowinfo
 <h1>$lt{'wel'}</h1>  <h1>$lt{'wel'}</h1>
 $lt{'mes'}.<p>  $lt{'mes'}<p>
 <a href="/adm/$lt{'log'}">$lt{'pro'}?</a></p>  <a href="/adm/$lt{'log'}">$lt{'pro'}</a></p>
 $remoteinfo  $remoteinfo
 $maincall  $maincall
 $continuelink  $continuelink
Line 246  ENDSUCCESS Line 157  ENDSUCCESS
 # --------------------------------------------------------------- Failed login!  # --------------------------------------------------------------- Failed login!
   
 sub failed {  sub failed {
     my ($r,$message) = @_;      my ($r,$message,$form) = @_;
     my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,      my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,
     {'no_inline_link' => 1,});      {'no_inline_link' => 1,});
       my $retry = '/adm/login?username='.$form->{'uname'}.
                   '&domain='.$form->{'udom'};
       if (exists($form->{role})) {
           $retry .= '&role='.$form->{role};
       }
       if (exists($form->{symb})) {
           $retry .= '&symb='.$form->{symb};
       }
     my $end_page   = &Apache::loncommon::end_page();      my $end_page   = &Apache::loncommon::end_page();
   
     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($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
       $r->print(
     $r->print(<<ENDFAILED);         $start_page
 $start_page        .'<h1>'.&mt('Sorry ...').'</h1>'
 <h1>$lt{'sorry'}</h1>        .'<p class="LC_warning">'.&mt($message).'</p>'
 <p><b>$message</b></p>        .'<p>'.&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>')
 <p>$lt{'please'}</p>        .'</p>'
 <p>        .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
 <a href="/adm/$lt{'problemspage'}">$lt{'problems'}</a></p>        .$end_page
 $end_page      );
 ENDFAILED   }
 }  
   
 # ------------------------------------------------------------------ Rerouting!  # ------------------------------------------------------------------ Rerouting!
   
Line 279  sub reroute { Line 188  sub reroute {
     my ($r) = @_;      my ($r) = @_;
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     my $msg='<h1>Sorry ...</h1>      my $msg='<h1>'.&mt('Sorry ...').'</h1>'
              Please <a href="/">log in again</a>.';             .&mt('Please [_1]log in again[_2].');
     &Apache::loncommon::simple_error_page($r,'Rerouting',$msg);      &Apache::loncommon::simple_error_page($r,'Rerouting',$msg);
 }  }
   
Line 288  sub reroute { Line 197  sub reroute {
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
       my $form;
 # Are we re-routing?  # Are we re-routing?
     if (-e '/home/httpd/html/lon-status/reroute.txt') {      if (-e '/home/httpd/html/lon-status/reroute.txt') {
  &reroute($r);   &reroute($r);
Line 298  sub handler { Line 207  sub handler {
     &Apache::lonlocal::get_language_handle($r);      &Apache::lonlocal::get_language_handle($r);
   
 # -------------------------------- Prevent users from attempting to login twice  # -------------------------------- Prevent users from attempting to login twice
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));      my $handle = &Apache::lonnet::check_for_valid_session($r);
     my $lonid=$cookies{'lonID'};      if ($handle ne '') {
     my $cookie;  
     if ($lonid) {  
  my $handle=$lonid->value;  
         $handle=~s/\W//g;  
         my $lonidsdir=$r->dir_config('lonIDsDir');  
         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {  
 # Indeed, a valid token is found  # Indeed, a valid token is found
     &Apache::loncommon::content_type($r,'text/html');   &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;   $r->send_http_header;
     my $start_page =    my $start_page = 
  &Apache::loncommon::start_page('Already logged in');      &Apache::loncommon::start_page('Already logged in');
     my $end_page =    my $end_page = 
  &Apache::loncommon::end_page();      &Apache::loncommon::end_page();
     $r->print(<<ENDFAILED);          $r->print(
 $start_page             $start_page
 <h1>You are already logged in</h1>            .'<h1>'.&mt('You are already logged in!').'</h1>'
 <p>Please either <a href="/adm/roles">continue the current session</a> or            .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
 <a href="/adm/logout">logout</a>.</p>                      ,'<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>')
 <p>            .'</p>'
 <a href="/adm/loginproblems.html">Problems?</a></p>            .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
 $end_page            .$end_page
 ENDFAILED          );
            return OK;          return OK;
  }  
     }      }
   
 # ---------------------------------------------------- No valid token, continue  # ---------------------------------------------------- No valid token, continue
   
   
     my $buffer;      my $buffer;
     $r->read($buffer,$r->header_in('Content-length'),0);      if ($r->header_in('Content-length') > 0) {
     my @pairs=split(/&/,$buffer);   $r->read($buffer,$r->header_in('Content-length'),0);
     my $pair; my $name; my $value;      }
     undef %FORM;      my %form;
     %FORM=();      foreach my $pair (split(/&/,$buffer)) {
     foreach $pair (@pairs) {         my ($name,$value) = split(/=/,$pair);
        ($name,$value) = split(/=/,$pair);  
        $value =~ tr/+/ /;         $value =~ tr/+/ /;
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;         $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
        $FORM{$name}=$value;         $form{$name}=$value;
     }       } 
   
     if ((!$FORM{'uname'}) || (!$FORM{'upass0'}) || (!$FORM{'udom'})) {      if ((!$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.',
    \%form);
         return OK;          return OK;
     }      }
   
 # split user logging in and "su"-user  # split user logging in and "su"-user
   
     ($FORM{'uname'},$FORM{'suname'})=split(/\:/,$FORM{'uname'});      ($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'});
     $FORM{'uname'} =~ s/\W//g;      $form{'uname'} = &LONCAPA::clean_username($form{'uname'});
     $FORM{'suname'} =~ s/\W//g;      $form{'suname'}= &LONCAPA::clean_username($form{'suname'});
     $FORM{'udom'}  =~ s/\W//g;      $form{'udom'}  = &LONCAPA::clean_domain(  $form{'udom'});
   
     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');
       my $contact_name = &mt('LON-CAPA helpdesk');
   
 # ---------------------------------------- Get the information from login token  # ---------------------------------------- Get the information from login token
   
     my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'},      my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
                                       $FORM{'serverid'});                                        $form{'serverid'});
   
     if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {      if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
  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.',\%form);
         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') {     $form{'serverid'});
             &failed($r,'Session could not be opened.');          if ( $reply ne 'ok' ) {
               &failed($r,'Session could not be opened.',\%form);
       &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);  
       if (!&Apache::lonnet::domain($form{'udom'})) {
           &failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
           return OK;
       }
   
       my ($key,$firsturl,$rolestr,$symbstr)=split(/&/,$tmpinfo);
       if ($rolestr) {
           $rolestr = &unescape($rolestr);
       }
       if ($symbstr) {
           $symbstr= &unescape($symbstr);
       }
       if ($rolestr =~ /^role=/) {
           (undef,$form{'role'}) = split('=',$rolestr);
       }
       if ($symbstr =~ /^symb=/) { 
           (undef,$form{'symb'}) = split('=',$symbstr);
       }
   
     my $keybin=pack("H16",$key);      my $keybin=pack("H16",$key);
   
Line 386  ENDFAILED Line 310  ENDFAILED
     my $upass='';      my $upass='';
     for (my $i=0;$i<=2;$i++) {      for (my $i=0;$i<=2;$i++) {
  my $chunk=   my $chunk=
     $cipher->decrypt(unpack("a8",pack("H16",substr($FORM{'upass'.$i},0,16))));      $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},0,16))));
   
  $chunk.=   $chunk.=
     $cipher->decrypt(unpack("a8",pack("H16",substr($FORM{'upass'.$i},16,16))));      $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16))));
   
  $chunk=substr($chunk,1,ord(substr($chunk,0,1)));   $chunk=substr($chunk,1,ord(substr($chunk,0,1)));
  $upass.=$chunk;   $upass.=$chunk;
     }      }
   
 # ---------------------------------------------------------------- Authenticate  # ---------------------------------------------------------------- Authenticate
     my $authhost=Apache::lonnet::authenticate($FORM{'uname'},      my @cancreate;
                                               $upass,      my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
                                               $FORM{'udom'});      if (ref($domconfig{'usercreation'}) eq 'HASH') {
           if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
               if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
                   @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
               } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') && 
                        ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
                   @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
               }
           }
       }
       my $defaultauth;
       if (grep(/^login$/,@cancreate)) {
           $defaultauth = 1;
       }
       my $uname = $form{'uname'};
       my $authhost=Apache::lonnet::authenticate($uname,$upass,
                                                 $form{'udom'},$defaultauth);
           
 # --------------------------------------------------------------------- Failed?  # --------------------------------------------------------------------- Failed?
   
     if ($authhost eq 'no_host') {      if ($authhost eq 'no_host') {
  failed($r,'Username and/or password could not be authenticated.');          my $lc_uname = lc($form{'uname'});
           if ($uname eq $lc_uname) {
               &failed($r,'Username and/or password could not be authenticated.',
                       \%form);
               return OK;
           } else {
               $authhost=Apache::lonnet::authenticate($lc_uname,$upass,
                                                      $form{'udom'},$defaultauth);
               if ($authhost eq 'no_host') {
                   &failed($r,'Username (in lower case) and/or password could not be authenticated.',
                           \%form);
                   return OK;
               } elsif ($authhost eq 'no_account_on_host') {
                   &create_account($r,\%form,\@cancreate,$lc_uname,$contact_name);
                   return OK;
               } else {
                   $form{'uname'} = $lc_uname; 
               }
           }
       } elsif ($authhost eq 'no_account_on_host') {
           &create_account($r,\%form,\@cancreate,$uname);
         return OK;          return OK;
     }      }
   
Line 412  ENDFAILED Line 372  ENDFAILED
  $firsturl='/adm/roles';   $firsturl='/adm/roles';
     }      }
 # --------------------------------- Are we attempting to login as somebody else?  # --------------------------------- Are we attempting to login as somebody else?
     if ($FORM{'suname'}) {      if ($form{'suname'}) {
 # ------------ see if the original user has enough privileges to pull this stunt  # ------------ see if the original user has enough privileges to pull this stunt
  if (&Apache::lonnet::privileged($FORM{'uname'},$FORM{'udom'})) {   if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) {
 # ---------------------------------------------------- see if the su-user exists  # ---------------------------------------------------- see if the su-user exists
     unless (&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'})      unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})
  eq 'no_host') {   eq 'no_host') {
  &Apache::lonnet::logthis(&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'}));   &Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}));
 # ------------------------------ see if the su-user is not too highly privileged  # ------------------------------ see if the su-user is not too highly privileged
  unless (&Apache::lonnet::privileged($FORM{'suname'},$FORM{'udom'})) {   unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) {
 # -------------------------------------------------------- actually switch users  # -------------------------------------------------------- actually switch users
     &Apache::lonnet::logperm('User '.$FORM{'uname'}.' at '.$FORM{'udom'}.      &Apache::lonnet::logperm('User '.$form{'uname'}.' at '.$form{'udom'}.
  ' logging in as '.$FORM{'suname'});   ' logging in as '.$form{'suname'});
     $FORM{'uname'}=$FORM{'suname'};      $form{'uname'}=$form{'suname'};
  } else {   } else {
     &Apache::lonnet::logthis('Attempted switch user to privileged user');      &Apache::lonnet::logthis('Attempted switch user to privileged user');
  }   }
Line 433  ENDFAILED Line 393  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',undef,
    \%form);
    $r->internal_redirect('/adm/switchserver');
       } else {
    &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
    \%form);
       }
     return OK;      return OK;
 }  }
   
   sub create_account {
       my ($r,$form,$cancreate,$uname,$contact_name) = @_;
       return unless((ref($form) eq 'HASH') && (ref($cancreate) eq 'ARRAY'));
       my %domconfig =
           &Apache::lonnet::get_dom('configuration',['usercreation'],$form->{'udom'});
       if (grep(/^login$/,@{$cancreate})) {
           my $start_page =
               &Apache::loncommon::start_page('Create a user account in LON-CAPA',
                                              '',{'no_inline_link'   => 1,});
           my $domdesc = &Apache::lonnet::domain($form->{'udom'},'description');
           my $lonhost = $r->dir_config('lonHostID');
           my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
           my $contacts =
               &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
                                                       $form->{'udom'},$origmail);
           my ($contact_email) = split(',',$contacts);
           my $output = 
               &Apache::createaccount::username_check($uname,$form->{'udom'},
                                                      $domdesc,'',$lonhost,
                                                      $contact_email,$contact_name);
           &Apache::loncommon::content_type($r,'text/html');
           $r->send_http_header;
           &Apache::createaccount::print_header($r,$start_page);
           $r->print('<h3>'.&mt('Account creation').'</h3>'.
                     &mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').'<br />'.
                     $output.&Apache::loncommon::end_page());
       } else {
           &failed($r,'Although your username and password were authenticated, you do not currently have a LON-CAPA account in this domain, and you are not permitted to create one.',$form);
       }
       return;
   }
   
 1;  1;
 __END__  __END__
   
Removed from v.1.76  
changed lines
  Added in v.1.101.10.1

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.