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File:  [LON-CAPA] / loncom / auth / lonauth.pm
Revision 1.2: download - view: text, annotated - select for diffs
Tue Nov 16 19:14:15 1999 UTC (24 years, 7 months ago) by www
Branches: MAIN
CVS tags: HEAD
Putting environment variables into session profile
Reading environment variables from session profile
Not tested yet

    1: # The LearningOnline Network
    2: # User Authentication Module
    3: # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15
    4: # 16/11 Gerd Kortemeyer
    5: 
    6: package Apache::lonauth;
    7: 
    8: use Apache::Constants qw(:common);
    9: use Apache::File;
   10: use CGI qw(:standard);
   11: use CGI::Cookie();
   12: use Apache::lonnet();
   13: 
   14: # ------------------------------------------------------------ Successful login
   15: 
   16: sub success {
   17:     my ($r, $lowerurl, $username, $domain, $authhost) = @_;
   18:     my $lonids=$r->dir_config('lonIDsDir');
   19: # See if old ID present, but overlooked
   20:     my $cookie;
   21:     if ($cookie=<$lonids/$username\_*\_$domain\_$authhost.id>) {
   22: 	$cookie=~s/\.id//;
   23:         $cookie=~s/$lonids\///;
   24:     } else {
   25:         my $now=time;
   26:         $cookie="$username\_$now\_$domain\_$authhost";
   27:         {
   28: 	    my $idf=Apache::File->new(">$lonids/$cookie.id");
   29:             print $idf "username=$username\n";
   30:             print $idf "userdomain=$domain\n";
   31:             print $idf "userhome=$authhost\n";
   32:         }
   33:     }
   34:     $cookie="lonID=$cookie; path=/";
   35:     $r->send_cgi_header(<<ENDHEADER);
   36: Content-type: text/html
   37: Set-cookie: $cookie
   38: 
   39: ENDHEADER
   40:     $r->print(<<ENDSUCCESS);
   41: <html>
   42: <head>
   43: <title>Successful Login to the LearningOnline Network</title>
   44: </head>
   45: <frameset rows="80,*" border=0>
   46: <frame scrolling="no" name="loncontrol" src="/adm/menu">
   47: <frame name="loncontent" src="$lowerurl">
   48: </frameset>
   49: </html>
   50: ENDSUCCESS
   51: }
   52: 
   53: # --------------------------------------------------------------- Failed login!
   54: 
   55: sub failed {
   56:     my ($r,$message) = @_;
   57:     $r->send_cgi_header(<<ENDFHEADER);
   58: Content-type: text/html
   59: 
   60: ENDFHEADER
   61:     $r->print(<<ENDFAILED);
   62: <html>
   63: <head>
   64: <title>Unsuccessful Login to the LearningOnline Network</title>
   65: </head>
   66: <html>
   67: <body bgcolor="#FFFFFF">
   68: <h1>Sorry ...</h1>
   69: <h2>$message to use the Learning<i>Online</i> Network</h2>
   70: </body>
   71: </html>
   72: ENDFAILED
   73: }
   74: 
   75: # ---------------------------------------------------------------- Main handler
   76: 
   77: sub handler {
   78:     my $r = shift;
   79: 
   80:     my $buffer;
   81:     $r->read($buffer,$r->header_in('Content-length'));
   82:     my @pairs=split(/&/,$buffer);
   83:     my $pair; my $name; my $value; my %FORM;
   84:     foreach $pair (@pairs) {
   85:        ($name,$value) = split(/=/,$pair);
   86:        $FORM{$name}=$value;
   87:     } 
   88: 
   89:     if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
   90: 	failed($r,'Username, password and domain need to be specified');
   91:         return OK;
   92:     }
   93:     $FORM{'uname'} =~ s/\W//g;
   94:     $FORM{'upass'} =~ s/\W//g;
   95:     $FORM{'udom'}  =~ s/\W//g;
   96: 
   97:     my $role   = $r->dir_config('lonRole');
   98:     my $domain = $r->dir_config('lonDefDomain');
   99:     my $prodir = $r->dir_config('lonUsersDir');
  100: 
  101: # ---------------------------------------------------------------- Authenticate
  102:     my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
  103:                                               $FORM{'upass'},
  104:                                               $FORM{'udom'});
  105:     
  106: # --------------------------------------------------------------------- Failed?
  107: 
  108:     if ($authhost eq 'no_host') {
  109: 	failed($r,'Username and/or password could not be authenticated');
  110:         return OK;
  111:     }
  112: 
  113:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
  114:     my $lonurl=$cookies{'lonURL'};
  115:     if (!$lonurl) { failed($r,'Cookies need to be activated'); return OK; }
  116:     my $lowerurl=$lonurl->value;
  117: 
  118:     success($r,$lowerurl,$FORM{'uname'},$FORM{'udom'},$authhost);
  119:     return OK;
  120: }
  121: 
  122: 1;
  123: __END__
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