loncom/auth/lonlogin.pm - diff

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Diff for /loncom/auth/lonlogin.pm between versions 1.26 and 1.46

version 1.26, 2002/10/29 20:57:31	version 1.46, 2003/08/25 15:24:43
Line 50 sub handler {	Line 50 sub handler {


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

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

my $fullgraph=($ENV{'form.interface'} ne 'textual');	my $textbrowsers=$r->dir_config('lonTextBrowsers');
	my $httpbrowser=$ENV{"HTTP_USER_AGENT"};

	foreach (split(/\:/,$textbrowsers)) {
	if ($httpbrowser=~/$_/i) {
	$ENV{'form.interface'}='textual';
	}
	}

my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':8080'.	my $fullgraph=($ENV{'form.interface'} ne 'textual');
	my $port_to_use=$r->dir_config('lonhttpdPort');
	if (!defined($port_to_use)) {
	$port_to_use='8080';
	}
	my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
$r->dir_config('lonIconsURL');	$r->dir_config('lonIconsURL');
my $domain = $r->dir_config('lonDefDomain');	my $domain = $r->dir_config('lonDefDomain');
	if (($ENV{'form.domain'}) &&
	($Apache::lonnet::domaindescription{$ENV{'form.domain'}})) {
	$domain=$ENV{'form.domain'};
	}
my $role = $r->dir_config('lonRole');	my $role = $r->dir_config('lonRole');
my $loadlim = $r->dir_config('lonLoadLim');	my $loadlim = $r->dir_config('lonLoadLim');
my $servadm = $r->dir_config('lonAdmEMail');	my $servadm = $r->dir_config('lonAdmEMail');
Line 66 sub handler {	Line 84 sub handler {
my $lonhost = $r->dir_config('lonHostID');	my $lonhost = $r->dir_config('lonHostID');
my $tabdir = $r->dir_config('lonTabDir');	my $tabdir = $r->dir_config('lonTabDir');
my $include = $r->dir_config('lonIncludes');	my $include = $r->dir_config('lonIncludes');
	my $expire = $r->dir_config('lonExpire');
	my $version = $r->dir_config('lonVersion');

	# --------------------------------------------- Default values for login fields

	my $authusername=($ENV{'form.username'}?$ENV{'form.username'}:'');
	my $authdomain=($ENV{'form.domain'}?$ENV{'form.domain'}:$domain);

	# ---------------------------------------------------------- Determine own load
my $loadavg;	my $loadavg;
{	{
my $loadfile=Apache::File->new('/proc/loadavg');	my $loadfile=Apache::File->new('/proc/loadavg');
$loadavg=<$loadfile>;	$loadavg=<$loadfile>;
}	}
$loadavg =~ s/\s.*//g;	$loadavg =~ s/\s.*//g;
my $loadpercent=100*$loadavg/$loadlim;	my $loadpercent=100*$loadavg/$loadlim;
	my $userloadpercent=&Apache::lonnet::userload();

	# ------------------------------------------------------- Do the load balancing
my $otherserver='http://'.$ENV{'SERVER_NAME'};	my $otherserver='http://'.$ENV{'SERVER_NAME'};
my $firsturl=$ENV{'request.firsturl'};	my $firsturl=
	($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.firsturl'});
# ---------------------------------------- Are we access server and overloaded?	# ---------------------------------------- Are we access server and overloaded?
if (($role eq 'access') && ($loadpercent>100.0)) {	if (($role eq 'access') &&
$otherserver=Apache::lonnet::spareserver($loadpercent);	(($userloadpercent>100.0)\|\|($loadpercent>100.0))) {
	$otherserver=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
}	}

	# ----------------------------------------------------------- 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 102 sub handler {	Line 134 sub handler {
my $uextkey=hex($ukey);	my $uextkey=hex($ukey);
if ($uextkey>2147483647) { $uextkey-=4294967296; }	if ($uextkey>2147483647) { $uextkey-=4294967296; }

	# -------------------------------------------------------- Store away log token
my $logtoken=Apache::lonnet::reply(	my $logtoken=Apache::lonnet::reply(
'tmpput:'.$ukey.$lkey.'&'.$firsturl,	'tmpput:'.$ukey.$lkey.'&'.$firsturl,
$lonhost);	$lonhost);

	# ------------------- If we cannot talk to ourselves, we are in serious trouble

	if ($logtoken eq 'con_lost') {
	my $spares='';
	foreach (keys %Apache::lonnet::hostname) {
	if ($_ ne $lonhost) {
	$spares.='<br /><a href="http://'.$Apache::lonnet::hostname{$_}.
	'/adm/login?domain='.$authdomain.'">'.
	$Apache::lonnet::hostname{$_}.'</a>';
	if ($Apache::lonnet::spareid{$_}) {
	$spares.=' (preferred)';
	}
	}
	}
	$r->print(<<ENDTROUBLE);
	<html>
	<head><title>The LearningOnline Network with CAPA</title></head>
	<body bgcolor="#FFFFFF">
	<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
	<h3>This LON-CAPA server is temporarily not available for login</h3>
	<p>Please attempt to login to one of the following servers:</p>$spares
	<p>If the problem persists, please contact <tt>$servadm</tt>.</p>
	</body>
	</html>
	ENDTROUBLE
	return OK;
	}

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

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

# --------------------------------------------------- Print login screen header	# --------------------------------------------------- Print login screen header
$r->print(<<ENDHEADER);	$r->print(<<ENDHEADER);
<html>	<html>
<head>	<head>
	<meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
<title>The LearningOnline Network with CAPA Login</title>	<title>The LearningOnline Network with CAPA Login</title>
</head>	</head>
ENDHEADER	ENDHEADER
Line 120 ENDHEADER	Line 188 ENDHEADER
}	}

# ----------------------------------------------------------- Front page design	# ----------------------------------------------------------- Front page design
my $pgbg=&Apache::loncommon::designparm('login.pgbg');	my $pgbg=
my $font=&Apache::loncommon::designparm('login.font');	($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
my $link=&Apache::loncommon::designparm('login.link');	my $font=
my $vlink=&Apache::loncommon::designparm('login.vlink');	($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
my $alink=&Apache::loncommon::designparm('login.alink');	my $link=
my $mainbg=&Apache::loncommon::designparm('login.mainbg');	($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
my $sidebg=&Apache::loncommon::designparm('login.sidebg');	my $vlink=
my $logo=&Apache::loncommon::designparm('login.logo');	($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
my $img=&Apache::loncommon::designparm('login.img');	my $alink=&Apache::loncommon::designparm('login.alink',$domain);
	my $mainbg=
	($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
	my $sidebg=
	($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
	my $logo=&Apache::loncommon::designparm('login.logo',$domain);
	my $img=&Apache::loncommon::designparm('login.img',$domain);


# ---------------------------------------------------------- Serve rest of page	# ---------------------------------------------------------- Serve rest of page
$r->print(<<ENDSCRIPT);	$r->print(<<ENDSCRIPT);

<body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"	<body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
onLoad="init();" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>	topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>

<script language="JavaScript">	<script language="JavaScript">
function send()	function send()
Line 146 ENDHEADER	Line 220 ENDHEADER
this.document.server.elements.udom.value	this.document.server.elements.udom.value
=this.document.client.elements.udom.value;	=this.document.client.elements.udom.value;

	this.document.server.elements.imagesuppress.value
	=this.document.client.elements.imagesuppress.checked;

	this.document.server.elements.embedsuppress.value
	=this.document.client.elements.embedsuppress.checked;

	this.document.server.elements.appletsuppress.value
	=this.document.client.elements.appletsuppress.checked;

	this.document.server.elements.fontenhance.value
	=this.document.client.elements.fontenhance.checked;

	this.document.server.elements.blackwhite.value
	=this.document.client.elements.blackwhite.checked;

	this.document.server.elements.remember.value
	=this.document.client.elements.remember.checked;

uextkey=this.document.client.elements.uextkey.value;	uextkey=this.document.client.elements.uextkey.value;
lextkey=this.document.client.elements.lextkey.value;	lextkey=this.document.client.elements.lextkey.value;
initkeys();	initkeys();
Line 166 ENDSCRIPT	Line 258 ENDSCRIPT

$r->print(<<ENDSERVERFORM);	$r->print(<<ENDSERVERFORM);
<form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">	<form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
<input type=hidden name=logtoken value="$logtoken">	<input type="hidden" name="logtoken" value="$logtoken" />
<input type=hidden name=serverid value="$lonhost">	<input type="hidden" name="serverid" value="$lonhost" />
<input type=hidden name=interface value="$ENV{'form.interface'}">	<input type="hidden" name="interface" value="$ENV{'form.interface'}" />
<input type=hidden name=uname value="">	<input type="hidden" name="uname" value="" />
<input type=hidden name=upass value="">	<input type="hidden" name="upass" value="" />
<input type=hidden name=udom value="">	<input type="hidden" name="udom" value="" />
	<input type="hidden" name="imagesuppress" value="" />
	<input type="hidden" name="appletsuppress" value="" />
	<input type="hidden" name="embedsuppress" value="" />
	<input type="hidden" name="fontenhance" value="" />
	<input type="hidden" name="blackwhite" value="" />
	<input type="hidden" name="remember" value="" />
	<input type="hidden" name="localpath" value="$ENV{'form.localpath'}" />
	<input type="hidden" name="localres" value="$ENV{'form.localres'}" />
</form>	</form>
ENDSERVERFORM	ENDSERVERFORM
if ($fullgraph) { $r->print(<<ENDTOP);	if ($fullgraph) { $r->print(<<ENDTOP);
Line 179 ENDSERVERFORM	Line 279 ENDSERVERFORM
<tr>	<tr>

<!-- Row 1 Columns 2-4 -->	<!-- Row 1 Columns 2-4 -->
<td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="#006600"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>	<td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
</tr>	</tr>

<!-- The gray bar that starts the two table frames -->	<!-- The gray bar that starts the two table frames -->
Line 213 ENDSERVERFORM	Line 313 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 228 ENDSERVERFORM	Line 328 ENDSERVERFORM
<!-- Row 4 Column 1 -->	<!-- Row 4 Column 1 -->
<td align="center" valign="middle" bgcolor="$sidebg">	<td align="center" valign="middle" bgcolor="$sidebg">
ENDTOP	ENDTOP
	} else {
	$r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
	}
	$r->print('<form name="client" onsubmit="return(send())">');
	unless ($fullgraph) {
	$r->print(<<ENDACCESSOPTIONS);
	<h3>Select Accessibility Options</h3>
	<input type="checkbox" name="imagesuppress" /> Suppress rendering of images<br />
	<input type="checkbox" name="appletsuppress" /> Suppress Java applets<br />
	<input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia<br />
	<input type="checkbox" name="fontenhance" /> Increase font size<br />
	<input type="checkbox" name="blackwhite" /> Switch to black and white mode<br />
	<p>If you have accessibility needs that are not addressed by this interface,
	please
	contact the system administrator at <tt>$sysadm</tt>.</p><br />
	<input type="checkbox" name="remember" /> Remember these settings for next login<hr />
	ENDACCESSOPTIONS
	} else {
	$r->print(<<ENDNOOPT);
	<input type="hidden" name="imagesuppress" value="" />
	<input type="hidden" name="embedsuppress" value="" />
	<input type="hidden" name="appletsuppress" value="" />
	<input type="hidden" name="fontenhance" value="" />
	<input type="hidden" name="blackwhite" value="" />
	<input type="hidden" name="remember" value="" />
	ENDNOOPT
}	}
$r->print(<<ENDLOGIN);	$r->print(<<ENDLOGIN);
<form name="client" onsubmit="return(send())">
<input type="hidden" name="lextkey" value="$lextkey">	<input type="hidden" name="lextkey" value="$lextkey">
<input type="hidden" name="uextkey" value="$uextkey">	<input type="hidden" name="uextkey" value="$uextkey">

Line 239 ENDTOP	Line 364 ENDTOP
<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/userauthentication.gif" 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>   User Name:</b></font></td>
<td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" /></td>	<td bgcolor="$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="$mainbg"><font size=-1><b>   Password:</b></font></td>
Line 247 ENDTOP	Line 372 ENDTOP
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg"><font size=-1><b>   Domain:</b></font></td>	<td bgcolor="$mainbg"><font size=-1><b>   Domain:</b></font></td>
<td bgcolor="$mainbg"><input type="text" name="udom" size="10" value=$domain /></td>	<td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg" valign="bottom" align="center" colspan=2>	<td bgcolor="$mainbg">   <a href="/adm/loginproblems.html">Help</a></td>
	<td bgcolor="$mainbg" valign="bottom" align="center">
<br />	<br />
<input type="submit" value="Log In" />	<input type="submit" value="Log In" />
</td>	</td>
Line 266 ENDLOGIN	Line 392 ENDLOGIN
<!-- 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 299 ENDLOGIN	Line 428 ENDLOGIN
<small><tt> $loadpercent percent</tt></small>	<small><tt> $loadpercent percent</tt></small>
</td>	</td>
</tr>	</tr>
	<tr>
	<td bgcolor="$sidebg" align="left" valign="top">
	<small><b>   User Load: </b></small>
	</td>
	<td bgcolor="$sidebg" align="left" valign="top">
	<small><tt> $userloadpercent percent</tt></small>
	</td>
	</tr>
</table>	</table>
<br />	<br />
<small>	<small>
<b>   System Administration:</b><br />	<b>   System Administration:</b><br />
<tt>      $sysadm</tt><br />	<tt>      $sysadm</tt><br />
<b>   Server Administration:</b><br />	<b>   Server Administration:</b><br />
<tt>      $servadm<br /> </tt>	<tt>      $servadm</tt><br /> <br />
	$version
</small>	</small>
</td>	</td>

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

Removed from v.1.26
changed lines
	Added in v.1.46