loncom/auth/lonlogin.pm - diff

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Diff for /loncom/auth/lonlogin.pm between versions 1.44.2.1 and 1.62

version 1.44.2.1, 2003/08/26 19:47:33	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();
	use Apache::lonauth();
	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;


	# Are we re-routing?
	if (-e '/home/httpd/html/lon-status/reroute.txt') {
	&Apache::lonauth::reroute($r);
	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']);


# ----------------------------------------------------------- Process Interface	# ----------------------------------------------------------- Process Interface
$ENV{'form.interface'}=~s/\W//g;	$ENV{'form.interface'}=~s/\W//g;

Line 99 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 109 sub handler {	Line 144 sub handler {
# ---------------------------------------- Are we access server and overloaded?	# ---------------------------------------- Are we access server and overloaded?
if (($role eq 'access') &&	if (($role eq 'access') &&
(($userloadpercent>100.0)\|\|($loadpercent>100.0))) {	(($userloadpercent>100.0)\|\|($loadpercent>100.0))) {
$otherserver=Apache::lonnet::spareserver($loadpercent,$userloadpercent);	my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
	if ($unloaded) { $otherserver=$unloaded; }
}	}

	# ----------------------------------------------------------- Get announcements
	my $announcements=&Apache::lonnet::getannounce();
# -------------------------------------------------------- Set login parameters	# -------------------------------------------------------- Set login parameters

my @hexstr=('0','1','2','3','4','5','6','7',	my @hexstr=('0','1','2','3','4','5','6','7',
Line 141 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 167 ENDTROUBLE	Line 212 ENDTROUBLE

# ----------------------------------------------- Apparently we are in business	# ----------------------------------------------- Apparently we are in business

my $domainlogo=&Apache::loncommon::domainlogo();	my $domainlogo=&Apache::loncommon::domainlogo($domain);
$servadm=~s/\,/\<br \/\>/g;	$servadm=~s/\,/\<br \/\>/g;
$sysadm=~s/\,/\<br \/\>/g;	$sysadm=~s/\,/\<br \/\>/g;

Line 202 ENDHEADER	Line 247 ENDHEADER
my $logo=&Apache::loncommon::designparm('login.logo',$domain);	my $logo=&Apache::loncommon::designparm('login.logo',$domain);
my $img=&Apache::loncommon::designparm('login.img',$domain);	my $img=&Apache::loncommon::designparm('login.img',$domain);

	# ----------------------------------------------------------------------- Texts

	my %lt=&Apache::lonlocal::texthash(
	'un' => 'Username',
	'pw' => 'Password',
	'dom' => 'Domain',
	'perc' => 'percent',
	'load' => 'Load',
	'userload' => 'User Load',
	'about' => 'aboutlon.gif',
	'access' => 'accessbutton.gif',
	'auth' => 'userauthentication.gif',
	'log' => 'Log in',
	'help' => 'Help',
	'serv' => 'Server',
	'servadm' => 'Server Administration',
	'sysadm' => 'System Administration',
	'helpdesk' => 'Contact Helpdesk');

# ---------------------------------------------------------- Serve rest of page	# ---------------------------------------------------------- Serve rest of page
$r->print(<<ENDSCRIPT);	$r->print(<<ENDSCRIPT);
Line 300 ENDSERVERFORM	Line 363 ENDSERVERFORM
<!-- A cell that will hold the 'access' and 'about' buttons -->	<!-- A cell that will hold the 'access' and 'about' buttons -->
<!-- Row 3 Column 1 -->	<!-- Row 3 Column 1 -->
<td valign="top" height=60 align="center" bgcolor="$sidebg">	<td valign="top" height=60 align="center" bgcolor="$sidebg">
<a href="/adm/login?interface=textual"><img src="$iconpath/accessbutton.gif" border=0 alt="Accessibility Options" /></a>	<a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a>
<br />	<br />
<a href="/adm/about.html"><img src="$iconpath/aboutlon.gif" border=0 alt="About LON-CAPA" /></a>	<a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a>
</td>	</td>

<!-- The shaded space between the two main columns -->	<!-- The shaded space between the two main columns -->
Line 311 ENDSERVERFORM	Line 374 ENDSERVERFORM

<!-- The right main column holding the large LON-CAPA logo-->	<!-- The right main column holding the large LON-CAPA logo-->
<!-- Rows 3-4 Column 3 -->	<!-- Rows 3-4 Column 3 -->
<td align="center" valign="top" width="100%" height="100%" rowspan=2 bgcolor="$mainbg">	<td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
<center>	<center>
<img src="$logo" alt="" />	<img src="$logo" alt="" />
</center>	</center>
Line 327 ENDSERVERFORM	Line 390 ENDSERVERFORM
<td align="center" valign="middle" bgcolor="$sidebg">	<td align="center" valign="middle" bgcolor="$sidebg">
ENDTOP	ENDTOP
} else {	} else {
$r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>');	$r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
}	}
$r->print('<form name="client" onsubmit="return(send())">');	$r->print('<form name="client" onsubmit="return(send())">');
unless ($fullgraph) {	unless ($fullgraph) {
Line 359 ENDNOOPT	Line 422 ENDNOOPT

<!-- Start the sub-table for text and input alignment -->	<!-- Start the sub-table for text and input alignment -->
<table border=0 cellspacing=0 cellpadding=0>	<table border=0 cellspacing=0 cellpadding=0>
<tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/userauthentication.gif" alt="User Authentication" /></td></tr>	<tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
<tr>	<tr>
<td bgcolor="$mainbg"><br /><font size=-1><b>   User Name:</b></font></td>	<td bgcolor="$mainbg"><br /><font size=-1><b>   $lt{'un'}:</b></font></td>
<td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>	<td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg"><font size=-1><b>   Password:</b></font></td>	<td bgcolor="$mainbg"><font size=-1><b>   $lt{'pw'}:</b></font></td>
<td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>	<td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg"><font size=-1><b>   Domain:</b></font></td>	<td bgcolor="$mainbg"><font size=-1><b>   $lt{'dom'}:</b></font></td>
<td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>	<td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg">   <a href="/adm/loginproblems.html">Help</a></td>	<td bgcolor="$mainbg">   <a href="/adm/loginproblems.html">$lt{'help'}</a></td>
<td bgcolor="$mainbg" valign="bottom" align="center">	<td bgcolor="$mainbg" valign="bottom" align="center">
<br />	<br />
<input type="submit" value="Log In" />	<input type="submit" value="$lt{'log'}" />
</td>	</td>
</tr>	</tr>
</table>	</table>
Line 384 ENDNOOPT	Line 447 ENDNOOPT
</form>	</form>
ENDLOGIN	ENDLOGIN
if ($fullgraph) {	if ($fullgraph) {
	my $helpdeskscript;
	my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
$r->print(<<ENDDOCUMENT);	$r->print(<<ENDDOCUMENT);
</td>	</td>

<!-- Row 4 Column 2 -->	<!-- Row 4 Column 2 -->
<td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>	<td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>

	<!-- Row 4 Column 3 -->
	<td bgcolor="$mainbg">$announcements</td>

<!-- Row 4 Column 4 -->	<!-- Row 4 Column 4 -->
<td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>	<td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
</tr>	</tr>
Line 401 ENDLOGIN	Line 469 ENDLOGIN
<table border=0 cellspacing=0 cellpadding=0>	<table border=0 cellspacing=0 cellpadding=0>
<tr>	<tr>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><b>   Domain: </b></small>	<small><b>   $lt{'dom'}: </b></small>
</td>	</td>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><tt> $domain</tt></small>	<small><tt> $domain</tt></small>
Line 409 ENDLOGIN	Line 477 ENDLOGIN
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><b>   Server: </b></small>	<small><b>   $lt{'serv'}: </b></small>
</td>	</td>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><tt> $lonhost ($role)</tt></small>	<small><tt> $lonhost ($role)</tt></small>
Line 417 ENDLOGIN	Line 485 ENDLOGIN
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><b>   Load: </b></small>	<small><b>   $lt{'load'}: </b></small>
</td>	</td>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><tt> $loadpercent percent</tt></small>	<small><tt> $loadpercent $lt{'perc'}</tt></small>
</td>	</td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><b>   User Load: </b></small>	<small><b>   $lt{'userload'}: </b></small>
</td>	</td>
<td bgcolor="$sidebg" align="left" valign="top">	<td bgcolor="$sidebg" align="left" valign="top">
<small><tt> $userloadpercent percent</tt></small>	<small><tt> $userloadpercent $lt{'perc'}</tt></small>
</td>	</td>
</tr>	</tr>
</table>	</table>
<br />	<br />
<small>	$contactblock
<b>   System Administration:</b><br />
<tt>      $sysadm</tt><br />
<b>   Server Administration:</b><br />
<tt>      $servadm</tt><br /> <br />
$version
</small>
</td>	</td>

<!-- Row 5 Column 2 -->	<!-- Row 5 Column 2 -->
Line 469 $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__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.44.2.1
changed lines
	Added in v.1.62