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File:  [LON-CAPA] / loncom / auth / lonauth.pm
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Wed Oct 13 17:48:52 1999 UTC (25 years, 2 months ago) by albertel
Branches: loncom
CVS tags: start
LON-CAPA Communication Module

# The LearningOnline Network
# User Authentication Module
# 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15 Gerd Kortemeyer

package Apache::lonauth;

use Apache::Constants qw(:common);
use Apache::File;
use CGI qw(:standard);
use CGI::Cookie();
use Apache::lonnet();

# ------------------------------------------------------------ Successful login

sub success {
    my ($r, $lowerurl, $username, $domain, $authhost) = @_;
    my $lonids=$r->dir_config('lonIDsDir');
# See if old ID present, but overlooked
    my $cookie;
    if ($cookie=<$lonids/$username\_*\_$domain\_$authhost.id>) {
	$cookie=~s/\.id//;
        $cookie=~s/$lonids\///;
    } else {
        my $now=time;
        $cookie="$username\_$now\_$domain\_$authhost";
        {
	    my $idf=Apache::File->new(">$lonids/$cookie.id");
            print $idf "Name: $username\n";
        }
    }
    $cookie="lonID=$cookie; path=/";
    $r->send_cgi_header(<<ENDHEADER);
Content-type: text/html
Set-cookie: $cookie

ENDHEADER
    $r->print(<<ENDSUCCESS);
<html>
<head>
<title>Successful Login to the LearningOnline Network</title>
</head>
<frameset rows="80,*" border=0>
<frame scrolling="no" name="loncontrol" src="/adm/menu">
<frame name="loncontent" src="$lowerurl">
</frameset>
</html>
ENDSUCCESS
}

# --------------------------------------------------------------- Failed login!

sub failed {
    my ($r,$message) = @_;
    $r->send_cgi_header(<<ENDFHEADER);
Content-type: text/html

ENDFHEADER
    $r->print(<<ENDFAILED);
<html>
<head>
<title>Unsuccessful Login to the LearningOnline Network</title>
</head>
<html>
<body bgcolor="#FFFFFF">
<h1>Sorry ...</h1>
<h2>$message to use the Learning<i>Online</i> Network</h2>
</body>
</html>
ENDFAILED
}

# ---------------------------------------------------------------- Main handler

sub handler {
    my $r = shift;

    my $buffer;
    $r->read($buffer,$r->header_in('Content-length'));
    my @pairs=split(/&/,$buffer);
    my $pair; my $name; my $value; my %FORM;
    foreach $pair (@pairs) {
       ($name,$value) = split(/=/,$pair);
       $FORM{$name}=$value;
    } 

    if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) {
	failed($r,'Username, password and domain need to be specified');
        return OK;
    }
    $FORM{'uname'} =~ s/\W//g;
    $FORM{'upass'} =~ s/\W//g;
    $FORM{'udom'}  =~ s/\W//g;

    my $role   = $r->dir_config('lonRole');
    my $domain = $r->dir_config('lonDefDomain');
    my $prodir = $r->dir_config('lonUsersDir');

# ---------------------------------------------------------------- Authenticate
    my $authhost=Apache::lonnet::authenticate($FORM{'uname'},
                                              $FORM{'upass'},
                                              $FORM{'udom'});
    
# --------------------------------------------------------------------- Failed?

    if ($authhost eq 'no_host') {
	failed($r,'Username and/or password could not be authenticated');
        return OK;
    }

    my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
    my $lonurl=$cookies{'lonURL'};
    if (!$lonurl) { failed($r,'Cookies need to be activated'); return OK; }
    my $lowerurl=$lonurl->value;

    success($r,$lowerurl,$FORM{'uname'},$FORM{'udom'},$authhost);
    return OK;
}

1;
__END__
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