loncom/auth/lonlogin.pm - diff

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Diff for /loncom/auth/lonlogin.pm between versions 1.52 and 1.62

version 1.52, 2003/09/17 13:47:55	version 1.62, 2004/12/30 16:04:37
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9,
# 1/17/01 Gerd Kortemeyer
#
# 2/7/02,2/8,2/12,2/14,2/15,2/19 Josh Brunskole
#
# 7/10/02 Jeremy Bowers

package Apache::lonlogin;	package Apache::lonlogin;

use strict;	use strict;
use Apache::Constants qw(:common);	use Apache::Constants qw(:common);
	use CGI::Cookie();
use Apache::File ();	use Apache::File ();
use Apache::lonnet();	use Apache::lonnet();
use Apache::loncommon();	use Apache::loncommon();
Line 45 use Apache::lonlocal;	Line 39 use Apache::lonlocal;

sub handler {	sub handler {
my $r = shift;	my $r = shift;
$r->content_type('text/html');
&Apache::loncommon::no_cache($r);	&Apache::loncommon::no_cache($r);
	&Apache::lonlocal::get_language_handle($r);
	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
return OK if $r->header_only;	return OK if $r->header_only;

Line 57 sub handler {	Line 52 sub handler {
return OK;	return OK;
}	}

	# -------------------------------- 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
	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

&Apache::loncommon::get_unprocessed_cgi	&Apache::loncommon::get_unprocessed_cgi
($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'},	($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'},
['interface','username','domain','firsturl','localpath','localres']);	['interface','username','domain','firsturl','localpath','localres']);

# -------------------------------------------------------------------- Language

&Apache::lonlocal::get_language_handle();

# ----------------------------------------------------------- Process Interface	# ----------------------------------------------------------- Process Interface
$ENV{'form.interface'}=~s/\W//g;	$ENV{'form.interface'}=~s/\W//g;
Line 111 sub handler {	Line 134 sub handler {
$loadavg=<$loadfile>;	$loadavg=<$loadfile>;
}	}
$loadavg =~ s/\s.*//g;	$loadavg =~ s/\s.*//g;
my $loadpercent=100*$loadavg/$loadlim;	my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
my $userloadpercent=&Apache::lonnet::userload();	my $userloadpercent=&Apache::lonnet::userload();

# ------------------------------------------------------- Do the load balancing	# ------------------------------------------------------- Do the load balancing
Line 156 sub handler {	Line 179 sub handler {

if ($logtoken eq 'con_lost') {	if ($logtoken eq 'con_lost') {
my $spares='';	my $spares='';
foreach (keys %Apache::lonnet::hostname) {
if ($_ ne $lonhost) {	foreach my $hostid (keys(%Apache::lonnet::spareid)) {
$spares.='<br /><a href="http://'.$Apache::lonnet::hostname{$_}.	next if ($hostid eq $lonhost);
'/adm/login?domain='.$authdomain.'">'.	$spares.='<br /><font size="+1"><a href="http://'.
$Apache::lonnet::hostname{$_}.'</a>';	$Apache::lonnet::hostname{$hostid}.
if ($Apache::lonnet::spareid{$_}) {	'/adm/login?domain='.$authdomain.'">'.
$spares.=' (preferred)';	$Apache::lonnet::hostname{$hostid}.'</a>'.
}	' (preferred)</font>'.$/;
}	}
	$spares.= '<br />';
	foreach my $hostid (keys(%Apache::lonnet::hostname)) {
	next if ($hostid eq $lonhost \|\| $Apache::lonnet::spareid{$hostid});
	$spares.='<br /><a href="http://'.
	$Apache::lonnet::hostname{$hostid}.
	'/adm/login?domain='.$authdomain.'">'.
	$Apache::lonnet::hostname{$hostid}.'</a>';
}	}
$r->print(<<ENDTROUBLE);	$r->print(<<ENDTROUBLE);
<html>	<html>
Line 233 my %lt=&Apache::lonlocal::texthash(	Line 263 my %lt=&Apache::lonlocal::texthash(
'help' => 'Help',	'help' => 'Help',
'serv' => 'Server',	'serv' => 'Server',
'servadm' => 'Server Administration',	'servadm' => 'Server Administration',
'sysadm' => 'System Administration');	'sysadm' => 'System Administration',
	'helpdesk' => 'Contact Helpdesk');

# ---------------------------------------------------------- Serve rest of page	# ---------------------------------------------------------- Serve rest of page
$r->print(<<ENDSCRIPT);	$r->print(<<ENDSCRIPT);
Line 417 ENDNOOPT	Line 447 ENDNOOPT
</form>	</form>
ENDLOGIN	ENDLOGIN
if ($fullgraph) {	if ($fullgraph) {
	my $helpdeskscript;
	my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
$r->print(<<ENDDOCUMENT);	$r->print(<<ENDDOCUMENT);
</td>	</td>

Line 469 ENDLOGIN	Line 501 ENDLOGIN
</tr>	</tr>
</table>	</table>
<br />	<br />
<small>	$contactblock
<b>   $lt{'sysadm'}:</b><br />
<tt>      $sysadm</tt><br />
<b>   $lt{'servadm'}:</b><br />
<tt>      $servadm</tt><br /> <br />
$version
</small>
</td>	</td>

<!-- Row 5 Column 2 -->	<!-- Row 5 Column 2 -->
Line 505 $domainlogo	Line 531 $domainlogo
</tr>	</tr>
</table>	</table>

<script>	<script type="text/javascript">
// the if prevents the script error if the browser can't handle this	// the if prevents the script error if the browser can not handle this
if ( document.client.uname ) { document.client.uname.focus(); }	if ( document.client.uname ) { document.client.uname.focus(); }
</script>	</script>
	$helpdeskscript

ENDDOCUMENT	ENDDOCUMENT
}	}
$r->print('</body></html>');	$r->print('</body></html>');
return OK;	return OK;
}	}

	sub contactdisplay {
	my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_;
	my $contactblock;
	my $showsysadm = 1;
	my $showservadm = 1;
	my $showhelpdesk = 0;
	my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
	if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
	$showhelpdesk = 1;
	}
	if ($showsysadm) {
	$contactblock .= '<b>   '.$$lt{'sysadm'}.':</b><br />'.
	'<tt>      '.$sysadm.'</tt><br />';
	}
	if ($showservadm) {
	$contactblock .= '<b>   '.$$lt{'servadm'}.':</b><br />'.
	'<tt>      '.$servadm.'</tt><br /> <br />';
	}
	if ($showhelpdesk) {
	$contactblock .= '<b>   <a href="javascript:helpdesk()">'.$$lt{'helpdesk'}.'</a></b><br />';
	my $thisurl = &Apache::lonnet::escape('/adm/login');
	$$helpdeskscript = <<"ENDSCRIPT";
	<script type="text/javascript">
	function helpdesk() {
	var codedom = document.client.udom.value;
	if (codedom == '') {
	codedom = "$authdomain";
	}
	var querystr = "origurl=$thisurl&codedom="+codedom;
	document.location.href = "/adm/helpdesk?"+querystr;
	return;
	}
	</script>
	ENDSCRIPT
	}
	$contactblock .= <<"ENDBLOCK";
	$version
	ENDBLOCK
	return $contactblock;
	}


1;	1;
__END__	__END__

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Removed from v.1.52
changed lines
	Added in v.1.62