loncom/auth/lonlogin.pm - diff

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Diff for /loncom/auth/lonlogin.pm between versions 1.56 and 1.81

version 1.56, 2004/03/16 20:42:50	version 1.81, 2006/09/28 00:59:02
Line 32 use strict;	Line 32 use strict;
use Apache::Constants qw(:common);	use Apache::Constants qw(:common);
use CGI::Cookie();	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::lonauth();
use Apache::lonlocal;	use Apache::lonlocal;
	use Apache::migrateuser();
	use lib '/home/httpd/lib/perl/';
	use LONCAPA;


	sub additional_machine_domains {
	my @domains;
	open(my $fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/expected_domains.tab');
	while( my $line = <$fh>) {
	$line =~ s/\s//g;
	push(@domains,$line);
	}
	return @domains;
	}

sub handler {	sub handler {
my $r = shift;	my $r = shift;

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

	# -- check if they are a migrating user
	if (defined($env{'form.token'})) {
	return &Apache::migrateuser::handler($r);
	}

&Apache::loncommon::no_cache($r);	&Apache::loncommon::no_cache($r);
&Apache::lonlocal::get_language_handle($r);	&Apache::lonlocal::get_language_handle($r);
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
Line 52 sub handler {	Line 78 sub handler {
return OK;	return OK;
}	}


# -------------------------------- Prevent users from attempting to login twice	# -------------------------------- Prevent users from attempting to login twice
my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));	my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
my $lonid=$cookies{'lonID'};	my $lonid=$cookies{'lonID'};
Line 60 sub handler {	Line 87 sub handler {
my $handle=$lonid->value;	my $handle=$lonid->value;
$handle=~s/\W//g;	$handle=~s/\W//g;
my $lonidsdir=$r->dir_config('lonIDsDir');	my $lonidsdir=$r->dir_config('lonIDsDir');
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {	if (-e "$lonidsdir/$handle.id") {
	# Is there an existing token file?
	if ($handle=~/^publicuser\_/) {
	# For "public user" - remove it, we apparently really want to login
	unlink("$lonidsdir/$handle.id");
	} elsif ($handle ne '') {
# Indeed, a valid token is found	# Indeed, a valid token is found
my $bodytag=&Apache::loncommon::bodytag('Already logged in');	my $start_page =
$r->print(<<ENDFAILED);	&Apache::loncommon::start_page('Already logged in');
<html>	my $end_page =
<head>	&Apache::loncommon::end_page();
<title>Already logged in</title>	$r->print(<<ENDFAILED);
</head>	$start_page
$bodytag
<h1>You are already logged in</h1>	<h1>You are already logged in</h1>
<p>Please either <a href="/adm/roles">continue the current session</a> or	<p>Please either <a href="/adm/roles">continue the current session</a> or
<a href="/adm/logout">logout</a>.</p>	<a href="/adm/logout">logout</a>.</p>
<p>	<p>
<a href="/adm/loginproblems.html">Problems?</a></p>	<a href="/adm/loginproblems.html">Problems?</a></p>
</body>	$end_page
</html>
ENDFAILED	ENDFAILED
return OK;	return OK;
	}
}	}
}	}

# ---------------------------------------------------- No valid token, continue	# ---------------------------------------------------- No valid token, continue

&Apache::loncommon::get_unprocessed_cgi	# ---------------------------- Not possible to really login to domain "public"
($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'},	if ($env{'form.domain'} eq 'public') {
['interface','username','domain','firsturl','localpath','localres']);	$env{'form.domain'}='';
	$env{'form.username'}='';
	}
# ----------------------------------------------------------- Process Interface	# ----------------------------------------------------------- Process Interface
$ENV{'form.interface'}=~s/\W//g;	$env{'form.interface'}=~s/\W//g;

my $textbrowsers=$r->dir_config('lonTextBrowsers');	my $textbrowsers=$r->dir_config('lonTextBrowsers');
my $httpbrowser=$ENV{"HTTP_USER_AGENT"};	my $httpbrowser=$ENV{"HTTP_USER_AGENT"};

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

my $fullgraph=($ENV{'form.interface'} ne 'textual');	my $fullgraph=($env{'form.interface'} ne 'textual');
my $port_to_use=$r->dir_config('lonhttpdPort');	my $port_to_use=$r->dir_config('lonhttpdPort');
if (!defined($port_to_use)) {	if (!defined($port_to_use)) {
$port_to_use='8080';	$port_to_use='8080';
Line 108 ENDFAILED	Line 139 ENDFAILED
my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.	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'}) &&	my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
($Apache::lonnet::domaindescription{$ENV{'form.domain'}})) {	foreach my $posdom (&Apache::lonnet::current_machine_domains(),
$domain=$ENV{'form.domain'};	&additional_machine_domains()) {
	if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; }
	}
	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');
Line 121 ENDFAILED	Line 157 ENDFAILED
my $include = $r->dir_config('lonIncludes');	my $include = $r->dir_config('lonIncludes');
my $expire = $r->dir_config('lonExpire');	my $expire = $r->dir_config('lonExpire');
my $version = $r->dir_config('lonVersion');	my $version = $r->dir_config('lonVersion');
	my $host_name = $Apache::lonnet::hostname{$lonhost};

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

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

# ---------------------------------------------------------- Determine own load	# ---------------------------------------------------------- Determine own load
my $loadavg;	my $loadavg;
Line 134 ENDFAILED	Line 171 ENDFAILED
$loadavg=<$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
my $otherserver='http://'.$ENV{'SERVER_NAME'};	my $otherserver= &Apache::lonnet::absolute_url($host_name);
my $firsturl=	my $firsturl=
($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.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') &&	if (($role eq 'access') &&
(($userloadpercent>100.0)\|\|($loadpercent>100.0))) {	(($userloadpercent>100.0)\|\|($loadpercent>100.0))) {
Line 179 ENDFAILED	Line 216 ENDFAILED

if ($logtoken eq 'con_lost') {	if ($logtoken eq 'con_lost') {
my $spares='';	my $spares='';
foreach (keys %Apache::lonnet::hostname) {	my $last;
if ($_ ne $lonhost) {	foreach my $hostid (sort
$spares.='<br /><a href="http://'.$Apache::lonnet::hostname{$_}.	{
'/adm/login?domain='.$authdomain.'">'.	$Apache::lonnet::hostname{$a} cmp
$Apache::lonnet::hostname{$_}.'</a>';	$Apache::lonnet::hostname{$b};
if ($Apache::lonnet::spareid{$_}) {	}
$spares.=' (preferred)';	keys(%Apache::lonnet::spareid)) {
}	next if ($hostid eq $lonhost);
}	next if ($last eq $Apache::lonnet::hostname{$hostid});
	$spares.='<br /><font size="+1"><a href="http://'.
	$Apache::lonnet::hostname{$hostid}.
	'/adm/login?domain='.$authdomain.'">'.
	$Apache::lonnet::hostname{$hostid}.'</a>'.
	' (preferred)</font>'.$/;
	$last=$Apache::lonnet::hostname{$hostid};
	}
	$spares.= '<br />';
	foreach my $hostid (sort
	{
	$Apache::lonnet::hostname{$a} cmp
	$Apache::lonnet::hostname{$b};
	}
	keys(%Apache::lonnet::hostname)) {
	next if ($hostid eq $lonhost \|\| $Apache::lonnet::spareid{$hostid});
	next if ($last eq $Apache::lonnet::hostname{$hostid});
	$spares.='<br /><a href="http://'.
	$Apache::lonnet::hostname{$hostid}.
	'/adm/login?domain='.$authdomain.'">'.
	$Apache::lonnet::hostname{$hostid}.'</a>';
	$last=$Apache::lonnet::hostname{$hostid};
}	}
$r->print(<<ENDTROUBLE);	$r->print(<<ENDTROUBLE);
<html>	<html>
Line 256 my %lt=&Apache::lonlocal::texthash(	Line 314 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');
	# -------------------------------------------------- Change password field name
	my $now=time;
# ---------------------------------------------------------- Serve rest of page	# ---------------------------------------------------------- Serve rest of page
$r->print(<<ENDSCRIPT);	$r->print(<<ENDSCRIPT);

Line 296 my %lt=&Apache::lonlocal::texthash(	Line 355 my %lt=&Apache::lonlocal::texthash(
lextkey=this.document.client.elements.lextkey.value;	lextkey=this.document.client.elements.lextkey.value;
initkeys();	initkeys();

this.document.server.elements.upass.value	this.document.server.elements.upass0.value
=crypted(this.document.client.elements.upass.value);	=crypted(this.document.client.elements.upass$now.value.substr(0,15));
	this.document.server.elements.upass1.value
	=crypted(this.document.client.elements.upass$now.value.substr(15,15));
	this.document.server.elements.upass2.value
	=crypted(this.document.client.elements.upass$now.value.substr(30,15));

	this.document.client.elements.uname.value='';
	this.document.client.elements.upass$now.value='';

this.document.server.submit();	this.document.server.submit();
return false;	return false;
Line 314 ENDSCRIPT	Line 380 ENDSCRIPT
<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="upass0" value="" />
	<input type="hidden" name="upass1" value="" />
	<input type="hidden" name="upass2" value="" />
<input type="hidden" name="udom" value="" />	<input type="hidden" name="udom" value="" />
<input type="hidden" name="imagesuppress" value="" />	<input type="hidden" name="imagesuppress" value="" />
<input type="hidden" name="appletsuppress" value="" />	<input type="hidden" name="appletsuppress" value="" />
Line 324 ENDSCRIPT	Line 392 ENDSCRIPT
<input type="hidden" name="fontenhance" value="" />	<input type="hidden" name="fontenhance" value="" />
<input type="hidden" name="blackwhite" value="" />	<input type="hidden" name="blackwhite" value="" />
<input type="hidden" name="remember" value="" />	<input type="hidden" name="remember" value="" />
<input type="hidden" name="localpath" value="$ENV{'form.localpath'}" />	<input type="hidden" name="localpath" value="$env{'form.localpath'}" />
<input type="hidden" name="localres" value="$ENV{'form.localres'}" />	<input type="hidden" name="localres" value="$env{'form.localres'}" />
</form>	</form>
ENDSERVERFORM	ENDSERVERFORM
if ($fullgraph) { $r->print(<<ENDTOP);	if ($fullgraph) { $r->print(<<ENDTOP);
Line 389 ENDTOP	Line 457 ENDTOP
unless ($fullgraph) {	unless ($fullgraph) {
$r->print(<<ENDACCESSOPTIONS);	$r->print(<<ENDACCESSOPTIONS);
<h3>Select Accessibility Options</h3>	<h3>Select Accessibility Options</h3>
<input type="checkbox" name="imagesuppress" /> Suppress rendering of images<br />	<label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
<input type="checkbox" name="appletsuppress" /> Suppress Java applets<br />	<label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
<input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia<br />	<label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
<input type="checkbox" name="fontenhance" /> Increase font size<br />	<label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
<input type="checkbox" name="blackwhite" /> Switch to black and white mode<br />	<label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
<p>If you have accessibility needs that are not addressed by this interface,	<p>If you have accessibility needs that are not addressed by this interface,
please	please
contact the system administrator at <tt>$sysadm</tt>.</p><br />	contact the system administrator at <tt>$sysadm</tt>.</p><br />
Line 422 ENDNOOPT	Line 490 ENDNOOPT
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg"><font size=-1><b>   $lt{'pw'}:</b></font></td>	<td bgcolor="$mainbg"><font size=-1><b>   $lt{'pw'}:</b></font></td>
<td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>	<td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
</tr>	</tr>
<tr>	<tr>
<td bgcolor="$mainbg"><font size=-1><b>   $lt{'dom'}:</b></font></td>	<td bgcolor="$mainbg"><font size=-1><b>   $lt{'dom'}:</b></font></td>
Line 440 ENDNOOPT	Line 508 ENDNOOPT
</form>	</form>
ENDLOGIN	ENDLOGIN
if ($fullgraph) {	if ($fullgraph) {
	my $helpdeskscript;
	my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
$r->print(<<ENDDOCUMENT);	$r->print(<<ENDDOCUMENT);
</td>	</td>

Line 492 ENDLOGIN	Line 562 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 528 $domainlogo	Line 592 $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()">'.$$lt{'helpdesk'}.'</a></b><br />';
	my $thisurl = &escape('/adm/login');
	$$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.1.56
changed lines
	Added in v.1.81