--- loncom/auth/lonlogin.pm 2010/05/21 15:54:34 1.138 +++ loncom/auth/lonlogin.pm 2013/09/29 00:49:24 1.157 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.138 2010/05/21 15:54:34 bisitz Exp $ +# $Id: lonlogin.pm,v 1.157 2013/09/29 00:49:24 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -46,7 +46,7 @@ sub handler { (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'}, $ENV{'REDIRECT_QUERY_STRING'}), ['interface','username','domain','firsturl','localpath','localres', - 'token','role','symb']); + 'token','role','symb','iptoken']); if (!defined($env{'form.firsturl'})) { &Apache::lonacc::get_posted_cgi($r,['firsturl']); } @@ -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].', '','','','').'

' .$end_page @@ -101,15 +103,23 @@ sub handler { # ---------------------------------------------------- No valid token, continue - # ---------------------------- Not possible to really login to domain "public" +# ---------------------------- Not possible to really login to domain "public" if ($env{'form.domain'} eq 'public') { $env{'form.domain'}=''; $env{'form.username'}=''; } + +# ------ Is this page requested because /adm/migrateuser detected an IP change? + my %sessiondata; + if ($env{'form.iptoken'}) { + %sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'}); + my $delete = &Apache::lonnet::tmpdel($env{'form.token'}); + } # ----------------------------------------------------------- Process Interface $env{'form.interface'}=~s/\W//g; - my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; + (undef,undef,undef,undef,undef,undef,my $clientmobile) = + &Apache::loncommon::decode_user_agent(); my $iconpath= &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); @@ -117,19 +127,26 @@ sub handler { my $lonhost = $r->dir_config('lonHostID'); my $domain = &Apache::lonnet::default_login_domain(); if ($lonhost ne '') { - my $redirect = &check_loginvia($domain,$lonhost); - if ($redirect) { - $r->print($redirect); - return OK; - } + unless ($sessiondata{'sessionserver'}) { + my $redirect = &check_loginvia($domain,$lonhost); + if ($redirect) { + $r->print($redirect); + return OK; + } + } } - if (($env{'form.domain'}) && + if (($sessiondata{'domain'}) && + (&Apache::lonnet::domain($env{'form.domain'},'description'))) { + $domain=$sessiondata{'domain'}; + } elsif (($env{'form.domain'}) && (&Apache::lonnet::domain($env{'form.domain'},'description'))) { $domain=$env{'form.domain'}; } + 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'); @@ -138,9 +155,18 @@ sub handler { my $host_name = &Apache::lonnet::hostname($lonhost); # --------------------------------------------- Default values for login fields - - my $authusername=($env{'form.username'}?$env{'form.username'}:''); - my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); + + my ($authusername,$authdomain); + if ($sessiondata{'username'}) { + $authusername=$sessiondata{'username'}; + } else { + $authusername=($env{'form.username'}?$env{'form.username'}:''); + } + if ($sessiondata{'domain'}) { + $authdomain=$sessiondata{'domain'}; + } else { + $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); + } # ---------------------------------------------------------- Determine own load my $loadavg; @@ -149,18 +175,17 @@ 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 $announcements=&Apache::lonnet::getannounce(); @@ -199,9 +224,13 @@ sub handler { 'tmpput:'.$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 $hostid (sort @@ -212,7 +241,7 @@ sub handler { keys(%Apache::lonnet::spareid)) { next if ($hostid eq $lonhost); my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); + next if (($last eq $hostname) || ($hostname eq '')); $spares.='
'. @@ -220,24 +249,26 @@ sub handler { ' '.&mt('(preferred)').''.$/; $last=$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') @@ -245,46 +276,55 @@ $r->print( .'<body bgcolor="#FFFFFF">' .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>' .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />' - .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>' - .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>' - .$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 $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 $shownewuserlink = -&Apache::loncommon::designparm('login.newuser',$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 $js = (<<ENDSCRIPT); <script type="text/javascript" language="JavaScript"> // <![CDATA[ @@ -313,6 +353,14 @@ this.document.client.elements.upass$now. this.document.server.submit(); return false; } + +function enableInput() { + this.document.client.elements.upass$now.removeAttribute("readOnly"); + this.document.client.elements.uname.removeAttribute("readOnly"); + this.document.client.elements.udom.removeAttribute("readOnly"); + return; +} + // ]]> </script> @@ -320,21 +368,22 @@ ENDSCRIPT # --------------------------------------------------- Print login screen header -my %add_entries = ( + my %add_entries = ( bgcolor => "$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', @@ -352,30 +401,27 @@ 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="" /> @@ -387,38 +433,43 @@ $r->print(<<ENDSERVERFORM); <input type="hidden" name="localres" value="$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:'.$loginbox_header_textcol.'">' - .$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); - -my $loginform=(<<LFORM); + 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 $mobileargs; + if ($clientmobile) { + $mobileargs = 'autocapitalize="off" autocorrect="off"'; + } + 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" $mobileargs /><br /> <b><label for="upass$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" $mobileargs /><br /> <input type="submit" value="$lt{'log'}" /> </form> LFORM @@ -432,7 +483,7 @@ 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 @@ -455,13 +506,11 @@ 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> @@ -470,6 +519,8 @@ $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> @@ -478,6 +529,9 @@ $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> @@ -486,6 +540,10 @@ $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> @@ -494,12 +552,32 @@ $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;"> + $domainlogo + </div> + <br style="clear:both;" /> </div> <script type="text/javascript"> @@ -573,12 +651,24 @@ sub redirect_page { } sub contactdisplay { - my ($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 />'. @@ -591,7 +681,8 @@ sub contactdisplay { <script type="text/javascript"> // <![CDATA[ function helpdesk() { - var codedom = document.client.udom.value; + var possdom = document.client.udom.value; + var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),''); if (codedom == '') { codedom = "$authdomain"; } @@ -614,25 +705,6 @@ sub forgotpwdisplay { } return; } - -sub loginhelpdisplay { - my ($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) = @_;