--- loncom/auth/lonlogin.pm 2010/05/06 16:15:59 1.137
+++ loncom/auth/lonlogin.pm 2013/01/23 15:26:37 1.154
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Login Screen
#
-# $Id: lonlogin.pm,v 1.137 2010/05/06 16:15:59 bisitz Exp $
+# $Id: lonlogin.pm,v 1.154 2013/01/23 15:26:37 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -64,11 +64,13 @@ sub handler {
# Are we re-routing?
- if (-e '/home/httpd/html/lon-status/reroute.txt') {
+ my $londocroot = $r->dir_config('lonDocRoot');
+ if (-e "$londocroot/lon-status/reroute.txt") {
&Apache::lonauth::reroute($r);
return OK;
}
+ $env{'form.firsturl'} =~ s/(`)/'/g;
# -------------------------------- Prevent users from attempting to login twice
my $handle = &Apache::lonnet::check_for_valid_session($r);
@@ -90,7 +92,7 @@ sub handler {
}
$r->print(
$start_page
- .''.&mt('You are already logged in!').'
'
+ .''.&mt('You are already logged in!').'
'
.''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
'','','','').'
'
.$end_page
@@ -130,6 +132,7 @@ sub handler {
}
my $role = $r->dir_config('lonRole');
my $loadlim = $r->dir_config('lonLoadLim');
+ my $uloadlim= $r->dir_config('lonUserLoadLim');
my $servadm = $r->dir_config('lonAdmEMail');
my $tabdir = $r->dir_config('lonTabDir');
my $include = $r->dir_config('lonIncludes');
@@ -149,18 +152,17 @@ sub handler {
$loadavg=<$loadfile>;
}
$loadavg =~ s/\s.*//g;
- my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
- my $userloadpercent=&Apache::lonnet::userload();
-# ------------------------------------------------------- Do the load balancing
- my $otherserver= &Apache::lonnet::absolute_url($host_name);
+ my ($loadpercent,$userloadpercent);
+ if ($loadlim) {
+ $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
+ }
+ if ($uloadlim) {
+ $userloadpercent=&Apache::lonnet::userload();
+ }
+
my $firsturl=
($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
-# ---------------------------------------------------------- Are we overloaded?
- if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
- my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
- if ($unloaded) { $otherserver=$unloaded; }
- }
# ----------------------------------------------------------- Get announcements
my $announcements=&Apache::lonnet::getannounce();
@@ -199,9 +201,13 @@ sub handler {
'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
$lonhost);
-# ------------------- If we cannot talk to ourselves, we are in serious trouble
+# -- If we cannot talk to ourselves, or hostID does not map to a hostname
+# we are in serious trouble
- if ($logtoken eq 'con_lost') {
+ if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
+ if ($logtoken eq 'no_such_host') {
+ &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab');
+ }
my $spares='';
my $last;
foreach my $hostid (sort
@@ -212,7 +218,7 @@ sub handler {
keys(%Apache::lonnet::spareid)) {
next if ($hostid eq $lonhost);
my $hostname = &Apache::lonnet::hostname($hostid);
- next if ($last eq $hostname);
+ next if (($last eq $hostname) || ($hostname eq ''));
$spares.='
'.
@@ -220,24 +226,26 @@ sub handler {
' '.&mt('(preferred)').''.$/;
$last=$hostname;
}
-$spares.= '
';
-my %all_hostnames = &Apache::lonnet::all_hostnames();
-foreach my $hostid (sort
+ if ($spares) {
+ $spares.= '
';
+ }
+ my %all_hostnames = &Apache::lonnet::all_hostnames();
+ foreach my $hostid (sort
{
&Apache::lonnet::hostname($a) cmp
&Apache::lonnet::hostname($b);
}
keys(%all_hostnames)) {
- next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
- my $hostname = &Apache::lonnet::hostname($hostid);
- next if ($last eq $hostname);
- $spares.='
'.
- $hostname.'';
- $last=$hostname;
-}
-$r->print(
+ next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
+ my $hostname = &Apache::lonnet::hostname($hostid);
+ next if (($last eq $hostname) || ($hostname eq ''));
+ $spares.='
'.
+ $hostname.'';
+ $last=$hostname;
+ }
+ $r->print(
''
.''
.&mt('The LearningOnline Network with CAPA')
@@ -245,51 +253,55 @@ $r->print(
.'<body bgcolor="#FFFFFF">'
.'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
.'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
- .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
- .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
- .$spares
- .'</body>'
- .'</html>'
-);
-return OK;
-}
+ .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>');
+ if ($spares) {
+ $r->print('<p>'.&mt('Please attempt to login to one of the following servers:')
+ .'</p>'
+ .$spares);
+ }
+ $r->print('</body>'
+ .'</html>'
+ );
+ return OK;
+ }
# ----------------------------------------------- Apparently we are in business
-$servadm=~s/\,/\<br \/\>/g;
+ $servadm=~s/\,/\<br \/\>/g;
# ----------------------------------------------------------- Front page design
-my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
-my $font=&Apache::loncommon::designparm('login.font',$domain);
-my $link=&Apache::loncommon::designparm('login.link',$domain);
-my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
-my $alink=&Apache::loncommon::designparm('login.alink',$domain);
-my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
-my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
-my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
-my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
-my $logo=&Apache::loncommon::designparm('login.logo',$domain);
-my $img=&Apache::loncommon::designparm('login.img',$domain);
-my $domainlogo='<div>'.&Apache::loncommon::domainlogo($domain).'</div>';
-my $login=&Apache::loncommon::designparm('login.login',$domain);
-if ($login eq '') {
-$login = $iconpath.'/'.&mt('userauthentication.gif');
-}
-my $showbanner = 1;
-my $showmainlogo = 1;
-if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
- $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
-}
-if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
- $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
-}
-my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
-my $showcoursecat =
-&Apache::loncommon::designparm('login.coursecatalog',$domain);
-my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
-my $shownewuserlink =
-&Apache::loncommon::designparm('login.newuser',$domain);
-my $now=time;
-my $js = (<<ENDSCRIPT);
+ my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
+ my $font=&Apache::loncommon::designparm('login.font',$domain);
+ my $link=&Apache::loncommon::designparm('login.link',$domain);
+ my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
+ my $alink=&Apache::loncommon::designparm('login.alink',$domain);
+ my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
+ my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
+ my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
+ my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
+ my $logo=&Apache::loncommon::designparm('login.logo',$domain);
+ my $img=&Apache::loncommon::designparm('login.img',$domain);
+ my $domainlogo=&Apache::loncommon::domainlogo($domain);
+ my $showbanner = 1;
+ my $showmainlogo = 1;
+ if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
+ $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
+ }
+ if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
+ $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
+ }
+ my $showadminmail;
+ my @possdoms = &Apache::lonnet::current_machine_domains();
+ if (grep(/^\Q$domain\E$/,@possdoms)) {
+ $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
+ }
+ my $showcoursecat =
+ &Apache::loncommon::designparm('login.coursecatalog',$domain);
+ my $shownewuserlink =
+ &Apache::loncommon::designparm('login.newuser',$domain);
+ my $showhelpdesk =
+ &Apache::loncommon::designparm('login.helpdesk',$domain);
+ my $now=time;
+ my $js = (<<ENDSCRIPT);
<script type="text/javascript" language="JavaScript">
// <![CDATA[
@@ -318,6 +330,14 @@ this.document.client.elements.upass$now.
this.document.server.submit();
return false;
}
+
+function enableInput() {
+ this.document.client.elements.upass$now.removeAttribute("readOnly");
+ this.document.client.elements.uname.removeAttribute("readOnly");
+ this.document.client.elements.udom.removeAttribute("readOnly");
+ return;
+}
+
// ]]>
</script>
@@ -325,21 +345,22 @@ ENDSCRIPT
# --------------------------------------------------- Print login screen header
-my %add_entries = (
+ my %add_entries = (
bgcolor => "$mainbg",
text => "$font",
link => "$link",
vlink => "$vlink",
- alink => "$alink",);
+ alink => "$alink",
+ onload => 'javascript:enableInput();',);
-$r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
+ $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
{ 'redirect' => [$expire,'/adm/roles'],
'add_entries' => \%add_entries,
'only_body' => 1,}));
# ----------------------------------------------------------------------- Texts
-my %lt=&Apache::lonlocal::texthash(
+ my %lt=&Apache::lonlocal::texthash(
'un' => 'Username',
'pw' => 'Password',
'dom' => 'Domain',
@@ -357,30 +378,27 @@ my %lt=&Apache::lonlocal::texthash(
);
# -------------------------------------------------- Change password field name
-my $forgotpw = &forgotpwdisplay(%lt);
-$forgotpw .= '<br />' if $forgotpw;
-my $loginhelp = &loginhelpdisplay($authdomain,%lt);
-$loginhelp .= '<br />' if $loginhelp;
+ my $forgotpw = &forgotpwdisplay(%lt);
+ $forgotpw .= '<br />' if $forgotpw;
+ my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain);
+ if ($loginhelp) {
+ $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />';
+ }
# ---------------------------------------------------- Serve out DES JavaScript
-{
-my $jsh=Apache::File->new($include."/londes.js");
-$r->print(<$jsh>);
-}
+ {
+ my $jsh=Apache::File->new($include."/londes.js");
+ $r->print(<$jsh>);
+ }
# ---------------------------------------------------------- Serve rest of page
-$r->print(
+ $r->print(
'<div class="LC_Box"'
.' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
);
-#
-# If the loadbalancing yielded just http:// because perhaps there's no loadbalancing?
-# then just us a relative link to authenticate:
-#
-
-$r->print(<<ENDSERVERFORM);
-<form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
+ $r->print(<<ENDSERVERFORM);
+<form name="server" action="/adm/authenticate" method="post" target="_top">
<input type="hidden" name="logtoken" value="$logtoken" />
<input type="hidden" name="serverid" value="$lonhost" />
<input type="hidden" name="uname" value="" />
@@ -392,43 +410,39 @@ $r->print(<<ENDSERVERFORM);
<input type="hidden" name="localres" value="$env{'form.localres'}" />
</form>
ENDSERVERFORM
-my $coursecatalog;
-if (($showcoursecat eq '') || ($showcoursecat)) {
- $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
-}
-my $newuserlink;
-if ($shownewuserlink) {
- $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
-}
-my $logintitle =
- '<h2 class="LC_hcell"'
- .' style="background:'.$loginbox_header_bgcol.';'
- .' color:'.$loginbox_header_textcol.'">';
-if ($loginheader eq 'text') {
- $logintitle .= $lt{'log'};
-} else {
- $logintitle .= '<img src="'.$login.'"'.
- ' alt="'.&mt('User Authentication').'" />';
-}
-$logintitle .= '</h2>';
-
-my $noscript_warning='<noscript><span class="LC_warning"><b>'
- .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
- .'</b></span></noscript>';
-my $helpdeskscript;
-my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
- $authdomain,\$helpdeskscript);
+ my $coursecatalog;
+ if (($showcoursecat eq '') || ($showcoursecat)) {
+ $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
+ }
+ my $newuserlink;
+ if ($shownewuserlink) {
+ $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
+ }
+ my $logintitle =
+ '<h2 class="LC_hcell"'
+ .' style="background:'.$loginbox_header_bgcol.';'
+ .' color:'.$loginbox_header_textcol.'">'
+ .$lt{'log'}
+ .'</h2>';
+
+ my $noscript_warning='<noscript><span class="LC_warning"><b>'
+ .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
+ .'</b></span></noscript>';
+ my $helpdeskscript;
+ my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
+ $authdomain,\$helpdeskscript,
+ $showhelpdesk,\@possdoms);
-my $loginform=(<<LFORM);
+ my $loginform=(<<LFORM);
<form name="client" action="" onsubmit="return(send())">
<input type="hidden" name="lextkey" value="$lextkey" />
<input type="hidden" name="uextkey" value="$uextkey" />
<b><label for="uname">$lt{'un'}</label>:</b><br />
- <input type="text" name="uname" id="uname" size="15" value="$authusername" /><br />
+ <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" /><br />
<b><label for="upass$now">$lt{'pw'}</label>:</b><br />
- <input type="password" name="upass$now" id="upass$now" size="15" /><br />
+ <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br />
<b><label for="udom">$lt{'dom'}</label>:</b><br />
- <input type="text" name="udom" id="udom" size="15" value="$authdomain" /><br />
+ <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" /><br />
<input type="submit" value="$lt{'log'}" />
</form>
LFORM
@@ -442,7 +456,7 @@ LFORM
HEADER
}
$r->print(<<ENDTOP);
-<div style="float:left;">
+<div style="float:left;margin-top:0;">
<div class="LC_Box" style="background:$loginbox_bg;">
$logintitle
$loginform
@@ -465,13 +479,11 @@ ENDTOP
}
$r->print(<<ENDTOP);
$announcements
-$domainlogo
</div>
<hr style="clear:both;" />
ENDTOP
-
-$r->print(<<ENDDOCUMENT);
- <table border="0" cellspacing="0" cellpadding="0">
+ my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow);
+ $domainrow = <<"END";
<tr>
<td align="left" valign="top">
<small><b>$lt{'dom'}: </b></small>
@@ -480,6 +492,8 @@ $r->print(<<ENDDOCUMENT);
<small><tt> $domain</tt></small>
</td>
</tr>
+END
+ $serverrow = <<"END";
<tr>
<td align="left" valign="top">
<small><b>$lt{'serv'}: </b></small>
@@ -488,6 +502,9 @@ $r->print(<<ENDDOCUMENT);
<small><tt> $lonhost ($role)</tt></small>
</td>
</tr>
+END
+ if ($loadlim) {
+ $loadrow = <<"END";
<tr>
<td align="left" valign="top">
<small><b>$lt{'load'}: </b></small>
@@ -496,6 +513,10 @@ $r->print(<<ENDDOCUMENT);
<small><tt> $loadpercent $lt{'perc'}</tt></small>
</td>
</tr>
+END
+ }
+ if ($uloadlim) {
+ $userloadrow = <<"END";
<tr>
<td align="left" valign="top">
<small><b>$lt{'userload'}: </b></small>
@@ -504,12 +525,32 @@ $r->print(<<ENDDOCUMENT);
<small><tt> $userloadpercent $lt{'perc'}</tt></small>
</td>
</tr>
+END
+ }
+ if (($version ne '') && ($version ne '<!-- VERSION -->')) {
+ $versionrow = <<"END";
<tr>
<td colspan="2" align="left">
<small>$version</small>
</td>
</tr>
+END
+ }
+
+ $r->print(<<ENDDOCUMENT);
+ <div style="float: left;">
+ <table border="0" cellspacing="0" cellpadding="0">
+$domainrow
+$serverrow
+$loadrow
+$userloadrow
+$versionrow
</table>
+ </div>
+ <div style="float: right;">
+ $domainlogo
+ </div>
+ <br style="clear:both;" />
</div>
<script type="text/javascript">
@@ -583,12 +624,24 @@ sub redirect_page {
}
sub contactdisplay {
- my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript) = @_;
+ my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk,
+ $possdoms) = @_;
my $contactblock;
- my $showhelpdesk = 0;
- my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
- if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
- $showhelpdesk = 1;
+ my $origmail;
+ if (ref($possdoms) eq 'ARRAY') {
+ if (grep(/^\Q$authdomain\E$/,@{$possdoms})) {
+ $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
+ }
+ }
+ my $requestmail =
+ &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
+ $authdomain,$origmail);
+ unless ($showhelpdesk eq '0') {
+ if ($requestmail =~ m/[^\@]+\@[^\@]+/) {
+ $showhelpdesk = 1;
+ } else {
+ $showhelpdesk = 0;
+ }
}
if ($servadm && $showadminmail) {
$contactblock .= $$lt{'servadm'}.':<br />'.
@@ -624,25 +677,6 @@ sub forgotpwdisplay {
}
return;
}
-
-sub loginhelpdisplay {
- my ($authdomain,%lt) = @_;
- my $login_help = 1;
- if ($login_help) {
- my $dom = $authdomain;
- if ($dom eq '') {
- $dom = &Apache::lonnet::default_login_domain();
- }
- my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom);
- my $loginhelp_url = $helpconfig{'helpsettings'}{'loginhelpurl'};
- if ($loginhelp_url ne '') {
- return '<a href="'.$loginhelp_url.'">'.$lt{'help'}.'</a>';
- } else {
- return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
- }
- }
- return;
-}
sub coursecatalog_link {
my ($linkname) = @_;