Annotation of modules/gci/lonlogin.pm, revision 1.8
1.1 gci 1: # The LearningOnline Network
2: # Login Screen
3: #
1.8 ! gci 4: # $Id: lonlogin.pm,v 1.7 2010/01/09 00:50:43 gci Exp $
1.1 gci 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
34: use Apache::lonnet;
35: use Apache::loncommon();
36: use Apache::lonauth();
37: use Apache::lonlocal;
38: use Apache::migrateuser();
39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
42: sub handler {
43: my $r = shift;
44:
45: &Apache::loncommon::get_unprocessed_cgi
46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
48: ['interface','username','domain','firsturl','localpath','localres',
1.2 gci 49: 'token','role','symb']);
1.1 gci 50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
61: &Apache::loncommon::content_type($r,'text/html');
62: $r->send_http_header;
63: return OK if $r->header_only;
64:
65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
71:
72:
73: # -------------------------------- Prevent users from attempting to login twice
74: my $handle = &Apache::lonnet::check_for_valid_session($r);
75: if ($handle=~/^publicuser\_/) {
76: # For "public user" - remove it, we apparently really want to login
77: unlink($r->dir_config('lonIDsDir')."/$handle.id");
78: } elsif ($handle ne '') {
79: # Indeed, a valid token is found
80: my $start_page =
81: &Apache::loncommon::start_page('Already logged in');
82: my $end_page =
83: &Apache::loncommon::end_page();
1.4 gci 84: my $dest = '/adm/roles';
85: if ($env{'form.firsturl'} ne '') {
86: $dest = $env{'form.firsturl'};
87: }
1.1 gci 88: $r->print(
89: $start_page
90: .'<h1>'.&mt('You are already logged in!').'</h1>'
1.2 gci 91: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
1.4 gci 92: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.1 gci 93: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
94: .$end_page
95: );
96: return OK;
97: }
98:
99: # ---------------------------------------------------- No valid token, continue
100:
101: # ---------------------------- Not possible to really login to domain "public"
102: if ($env{'form.domain'} eq 'public') {
103: $env{'form.domain'}='';
104: $env{'form.username'}='';
105: }
106: # ----------------------------------------------------------- Process Interface
107: $env{'form.interface'}=~s/\W//g;
108:
109: my $textbrowsers=$r->dir_config('lonTextBrowsers');
110: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
111:
112: foreach (split(/\:/,$textbrowsers)) {
113: if ($httpbrowser=~/$_/i) {
114: $env{'form.interface'}='textual';
115: }
116: }
117:
118: my $fullgraph=($env{'form.interface'} ne 'textual');
119:
120: my $iconpath=
121: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
122:
123: my $domain = &Apache::lonnet::default_login_domain();
124: if (($env{'form.domain'}) &&
125: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
126: $domain=$env{'form.domain'};
127: }
1.4 gci 128: my $sitename = 'GCI WebCenter';
129: my $shortsitename = 'WebCenter';
130: my $existing = 'Existing WebCenter user?';
131: my $sitedesc = &mt('The Geoscience Concept Inventory (GCI) [_1]WebCenter[_2] is a place to comment on existing concept questions, or submit new ones, and is also a place to build and manage Concept Tests which your students will complete via the [_3]Testing Center[_2].','<a href="http://gci.lite.msu.edu/">','</a>','<a href="http://gcitest.lite.msu.edu/adm/login">');
1.1 gci 132: my $role = $r->dir_config('lonRole');
133: my $loadlim = $r->dir_config('lonLoadLim');
134: my $servadm = $r->dir_config('lonAdmEMail');
135: my $lonhost = $r->dir_config('lonHostID');
136: my $tabdir = $r->dir_config('lonTabDir');
137: my $include = $r->dir_config('lonIncludes');
138: my $expire = $r->dir_config('lonExpire');
139: my $version = $r->dir_config('lonVersion');
140: my $host_name = &Apache::lonnet::hostname($lonhost);
1.4 gci 141: if ($domain eq 'gcitest') {
1.5 gci 142: $lonhost = 'gcitestl1';
143: $host_name = 'gcitest.lite.msu.edu';
1.4 gci 144: $sitename = 'GCI Testing Center';
145: $shortsitename = 'Testing Center';
146: $existing = 'Student with Testing Center account?';
147: $sitedesc = &mt('The GCI Testing Center is used by [_1]students[_2] to complete online concept tests created by their instructors using questions available in the Geoscience Concept Inventory.','<i>','</i>');
148: }
1.1 gci 149:
150: # --------------------------------------------- Default values for login fields
151:
152: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
153: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
154:
155: # ---------------------------------------------------------- Determine own load
156: my $loadavg;
157: {
158: my $loadfile=Apache::File->new('/proc/loadavg');
159: $loadavg=<$loadfile>;
160: }
161: $loadavg =~ s/\s.*//g;
162: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
163: my $userloadpercent=&Apache::lonnet::userload();
164:
165: # ------------------------------------------------------- Do the load balancing
166: my $otherserver= &Apache::lonnet::absolute_url($host_name);
167: my $firsturl=
168: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
169: # ---------------------------------------------------------- Are we overloaded?
170: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
171: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
172: if ($unloaded) { $otherserver=$unloaded; }
173: }
174:
175: # ----------------------------------------------------------- Get announcements
176: my $announcements=&Apache::lonnet::getannounce();
177: # -------------------------------------------------------- Set login parameters
178:
179: my @hexstr=('0','1','2','3','4','5','6','7',
180: '8','9','a','b','c','d','e','f');
181: my $lkey='';
182: for (0..7) {
183: $lkey.=$hexstr[rand(15)];
184: }
185:
186: my $ukey='';
187: for (0..7) {
188: $ukey.=$hexstr[rand(15)];
189: }
190:
191: my $lextkey=hex($lkey);
192: if ($lextkey>2147483647) { $lextkey-=4294967296; }
193:
194: my $uextkey=hex($ukey);
195: if ($uextkey>2147483647) { $uextkey-=4294967296; }
196:
197: # -------------------------------------------------------- Store away log token
1.2 gci 198: my $tokenextras;
199: if ($env{'form.role'}) {
200: $tokenextras = '&role='.&escape($env{'form.role'});
201: }
1.6 gci 202: if ($domain eq 'gci') {
203: $env{'form.symb'} = '/adm/gci_info';
204: }
1.2 gci 205: if ($env{'form.symb'}) {
206: if (!$tokenextras) {
207: $tokenextras = '&';
208: }
209: $tokenextras .= '&symb='.&escape($env{'form.symb'});
210: }
1.1 gci 211: my $logtoken=Apache::lonnet::reply(
1.6 gci 212: 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
1.1 gci 213: $lonhost);
214:
215: # ------------------- If we cannot talk to ourselves, we are in serious trouble
216:
217: if ($logtoken eq 'con_lost') {
218: my $spares='';
219: my $last;
220: foreach my $hostid (sort
221: {
222: &Apache::lonnet::hostname($a) cmp
223: &Apache::lonnet::hostname($b);
224: }
225: keys(%Apache::lonnet::spareid)) {
226: next if ($hostid eq $lonhost);
227: my $hostname = &Apache::lonnet::hostname($hostid);
228: next if ($last eq $hostname);
229: $spares.='<br /><font size="+1"><a href="http://'.
230: $hostname.
231: '/adm/login?domain='.$authdomain.'">'.
232: $hostname.'</a>'.
233: ' '.&mt('(preferred)').'</font>'.$/;
234: $last=$hostname;
235: }
236: $spares.= '<br />';
237: my %all_hostnames = &Apache::lonnet::all_hostnames();
238: foreach my $hostid (sort
239: {
240: &Apache::lonnet::hostname($a) cmp
241: &Apache::lonnet::hostname($b);
242: }
243: keys(%all_hostnames)) {
244: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
245: my $hostname = &Apache::lonnet::hostname($hostid);
246: next if ($last eq $hostname);
247: $spares.='<br /><a href="http://'.
248: $hostname.
249: '/adm/login?domain='.$authdomain.'">'.
250: $hostname.'</a>';
251: $last=$hostname;
252: }
253: $r->print(
254: '<html>'
255: .'<head><title>'
256: .&mt('The LearningOnline Network with CAPA')
257: .'</title></head>'
258: .'<body bgcolor="#FFFFFF">'
259: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
260: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
1.4 gci 261: .'<h3>'.&mt("The $sitename server is temporarily not available for login.").'</h3>'
1.1 gci 262: .'</body>'
263: .'</html>'
264: );
265: return OK;
266: }
267:
268: # ----------------------------------------------- Apparently we are in business
269: $servadm=~s/\,/\<br \/\>/g;
270:
271: # ----------------------------------------------------------- Front page design
272: my $pgbg=
273: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
274: my $font=
275: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
276: my $link=
277: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
278: my $vlink=
279: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
280: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
281: my $mainbg=
282: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
283: my $sidebg=
284: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
285: my $textcol =
286: ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000');
287: my $bgcol =
288: ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF');
289: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
290: my $img=&Apache::loncommon::designparm('login.img',$domain);
291: my $domainlogo=&Apache::loncommon::domainlogo($domain);
292: my $login=&Apache::loncommon::designparm('login.login',$domain);
293: if ($login eq '') {
294: $login = $iconpath.'/'.&mt('userauthentication.gif');
295: }
296: my $showbanner = 1;
297: my $showmainlogo = 1;
298: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
299: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
300: }
301: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
302: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
303: }
304: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
305: my $showcoursecat =
306: &Apache::loncommon::designparm('login.coursecatalog',$domain);
307: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
308: my $shownewuserlink =
309: &Apache::loncommon::designparm('login.newuser',$domain);
310: my $now=time;
311: my $js = (<<ENDSCRIPT);
312:
1.2 gci 313: <script type="text/javascript" language="JavaScript">
1.4 gci 314: // <![CDATA[
315:
1.1 gci 316: function send(caller)
317: {
318:
319: if (caller == "newaccount") {
320: this.document.signup.submit();
321: return false;
322: }
323: if (document.client.uname.value == "" || !document.client.uname.value) {
324: alert("You must provide a username ");
325: return false;
326: }
327: if (document.client.upass$now.value == "" || !document.client.upass$now.value) {
328: alert("You must provide a password");
329: return false;
330: }
331:
332: this.document.server.elements.uname.value
333: =this.document.client.elements.uname.value;
334:
335: this.document.server.elements.udom.value
336: =this.document.client.elements.udom.value;
337:
338: this.document.server.elements.imagesuppress.value
339: =this.document.client.elements.imagesuppress.checked;
340:
341: this.document.server.elements.embedsuppress.value
342: =this.document.client.elements.embedsuppress.checked;
343:
344: this.document.server.elements.appletsuppress.value
345: =this.document.client.elements.appletsuppress.checked;
346:
347: this.document.server.elements.fontenhance.value
348: =this.document.client.elements.fontenhance.checked;
349:
350: this.document.server.elements.blackwhite.value
351: =this.document.client.elements.blackwhite.checked;
352:
353: this.document.server.elements.remember.value
354: =this.document.client.elements.remember.checked;
355:
356: uextkey=this.document.client.elements.uextkey.value;
357: lextkey=this.document.client.elements.lextkey.value;
358: initkeys();
359:
360: this.document.server.elements.upass0.value
361: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
362: this.document.server.elements.upass1.value
363: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
364: this.document.server.elements.upass2.value
365: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
366:
367: this.document.client.elements.uname.value='';
368: this.document.client.elements.upass$now.value='';
369:
370: this.document.server.submit();
371: return false;
372: }
1.4 gci 373: // ]]>
1.1 gci 374: </script>
1.4 gci 375:
1.1 gci 376: ENDSCRIPT
377:
378: # --------------------------------------------------- Print login screen header
379:
380: my %add_entries = (topmargin => "0",
381: leftmargin => "0",
382: marginheight => "0",
383: marginwidth => "0",
384: bgcolor => "$pgbg",
385: text => "$font",
386: link => "$link",
387: vlink => "$vlink",
388: alink => "$alink",
389: onload => "if ( document.client.uname ) { document.client.uname.focus(); }",
390: marginheight => "0",);
391:
1.4 gci 392: my $css_url = "/css/$domain/login.css";
393: $js .= "\n".'<link type="text/css" rel="stylesheet" href="'.$css_url.'">'."\n";
1.1 gci 394: $r->print(&Apache::loncommon::start_page('GCI WebCenter Login',$js,
395: { 'redirect' => [$expire,'/adm/roles'],
396: 'add_entries' => \%add_entries,
397: 'only_body' => 1,}));
398:
399: # ----------------------------------------------------------------------- Texts
400:
401: my %lt=&Apache::lonlocal::texthash(
402: 'un' => 'Username',
403: 'pw' => 'Password',
404: 'dom' => 'Domain',
405: 'load' => 'Server Load',
406: 'userload' => 'User Load',
407: 'about' => 'About LON-CAPA',
408: 'access' => 'Accessibility Options',
409: 'catalog' => 'Course Catalog',
410: 'log' => 'Log in',
411: 'help' => 'Log-in Help',
412: 'serv' => 'Server',
413: 'servadm' => 'Server Administration',
414: 'helpdesk' => 'Contact Helpdesk',
415: 'forgotpw' => 'Forgot password?',
416: 'newuser' => 'New User?',
417: 'options_headline' => 'Select Accessibility Options',
418: 'sprs_img' => 'Suppress rendering of images',
419: 'sprs_applet' => 'Suppress Java applets',
420: 'sprs_embed' => 'Suppress rendering of embedded multimedia',
421: 'sprs_font' => 'Increase font size',
422: 'sprs_blackwhite' => 'Switch to black and white mode',
423: 'remember' => 'Remember these settings for next login',
424: 'tbli' => 'Text-based Interface Login');
425: # -------------------------------------------------- Change password field name
426: my $forgotpw = &forgotpwdisplay(%lt);
427: my $loginhelp = &loginhelpdisplay(%lt);
428:
429: # ---------------------------------------------------- Serve out DES JavaScript
430: {
431: my $jsh=Apache::File->new($include."/londes.js");
432: $r->print(<$jsh>);
433: }
434: # ---------------------------------------------------------- Serve rest of page
435:
436: my $coursecatalog;
437: if (($showcoursecat eq '') || ($showcoursecat)) {
438: $coursecatalog = &coursecatalog_link($lt{'catalog'},$fullgraph);
439: }
440: my $newuserlink;
441: if ($shownewuserlink) {
442: $newuserlink = &newuser_link($lt{'newuser'});
443: }
444: if ($fullgraph) {
1.4 gci 445: $r->print(<<"END_OF_BLOCK1");
1.1 gci 446: <br />
447: <div align="center">
448: <table class="LC_loginbox">
449: <tr>
1.4 gci 450: <td align="left" valign="top" width="11">
451: <img name="login_r1_c1" src="/images/login/$domain/r1_c1.png" width="11" height="11" border="0" alt="">
1.1 gci 452: </td>
453: <td width="450" valign="top">
454: <table class="LC_loginbox_left">
455: <tr>
1.4 gci 456: <td width="411" align="left"><br /><img src="/images/login/$domain/logo_smrnd.png" width="411" height="51" alt="GCI" align="left"></td>
1.1 gci 457: </tr>
458: <tr>
459: <td>
460: <div align="left" style="display:block; margin-top:5px; margin-bottom:5px; margin-left:0px; margin-right:0px; width:440px; height:5px;">
1.4 gci 461: <div class="divider">
1.1 gci 462: </div>
463: </div>
464: </td>
465: </tr>
466: </table>
467: <table class="LC_loginbox_left">
468: <tr>
469: <td height="10" colspan="4"> </td>
470: </tr>
471: <tr>
472: <td width="10"> </td>
473: <td valign="top" class="bodyblue" width="430" align="left">
1.4 gci 474: <span style="font-size: 18px; line-height: 22px; "><font style="font-size: 18px; line-height: 22px;"><br />New to the $sitename?</font></span><br />
475: <font class="bodyblue">$sitedesc<br /><br />The $shortsitename runs on <a href="http://loncapa.org/">LON-CAPA</a> - an open source freeware distributed learning content management and assessment system.</font><br /><br />
476: END_OF_BLOCK1
477: if ($domain eq 'gci') {
478: $r->print(<<"END_OF_BLOCK2");
479: <font class="bodyblue"><b>Create a GCI WebCenter ID</b> – use your ID to submit comments or new content, or to create a new test. If you are already a GCI WebCenter user, please log-in.</font><br /><br /><br />
1.1 gci 480: <form name="signup" method="post" action="/adm/createaccount?courseid=gci_9615072b469884921gcil1"><input type="hidden" name="process" value="signup"/>
481: <table class="LC_signup">
482: <tr>
1.4 gci 483: <td align="left" valign="top" width="11" height="11"><img src="/images/login/$domain/r2_c4.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 484: <td> </td>
1.4 gci 485: <td align="right" valign="top" width="11" height="11"><img src="/images/login/$domain/r2_c6.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 486: </tr>
487: <tr>
1.7 gci 488: <td> </td>
1.8 ! gci 489: <td align="center" valign="middle"><span style="white-space: nowrap;">New to GCI WebCenter: <a href="javascript:send('newaccount')" style="color: #ffffff">Click here to sign up</a></span></td>
1.7 gci 490: <td> </td>
1.1 gci 491: </tr>
492: <tr>
1.4 gci 493: <td align="left" valign="bottom" width="11" height="11"><img src="/images/login/$domain/r8_c4.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 494: <td> </td>
1.4 gci 495: <td align="right" valign="bottom" width="11" height="11"><img src="/images/login/$domain/r8_c6.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 496: </tr>
497: </table>
498: </form>
1.4 gci 499: END_OF_BLOCK2
500: } else {
501: $r->print('<font class="bodyblue">'.
502: &mt("If you are already a $sitename user, please log-in.").' '.&mt('If not, contact your instructor to request a username and password.').
503: '</font><br /><br /><br />');
504: }
505: $r->print(<<"END_OF_BLOCK3");
1.1 gci 506: </td>
507: </tr>
508: </table>
509: </td>
510: <td width="10"> </td>
511: <td valign="top">
1.4 gci 512: <form name="client" method="post" onsubmit="return(send());">
1.1 gci 513: <table class="LC_loginbox_right">
514: <tr>
515: <td colspan="3" height="23" class="LC_loginbox_strip"> </td>
516: </tr>
517: <tr>
1.4 gci 518: <td align="left" valign="top" width="11" height="11"><img src="/images/login/$domain/r2_c4.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 519: <td> </td>
1.4 gci 520: <td align="right" valign="top" width="11" height="11"><img src="/images/login/$domain/r2_c6.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 521: </tr>
522: <tr>
523: <td width="10"> </td>
524: <td>
525: <table border="0" cellspacing="0" cellpadding="0">
526: <tr>
527: <td align="right" class="bodywhite" height=50><br>
528: <span style="font-size: 15px; line-height: 17px; font-weight: bold;">
1.4 gci 529: $existing</span>
1.1 gci 530: <br />Please log-in.<br>
1.4 gci 531: <hr class="login"><br /><br />
1.1 gci 532: </td>
533: </tr>
534: <tr>
535: <td>
536: <table border="0" cellpadding="2" cellspacing="0">
537: <tr>
538: <td align="right" class="bodywhite"><label for="uname">$lt{'un'}</label>:</td>
539: <td align="right"><input type="text" name="uname" size="17" value="$authusername" /></td>
540: </tr>
541: <tr>
542: <td align="right" class="bodywhite"><label for="upass$now">$lt{'pw'}</label>:</td>
1.4 gci 543: <td align="right"><input name="upass$now" size="17" value="" type="password"><input type="hidden" name="udom" value="$domain" /></td>
1.1 gci 544: </tr>
545: <tr><td> </td></tr>
546: <tr>
547: <td colspan="2" align="right"><input name="signin" type="submit" value="Log-in" class=buttonwhite /></td>
548: </tr>
549: </table>
550: </td>
551: </tr>
552: <tr>
553: <td align="right" valign="top" class="bodywhite">
554: <br />
555: <br /><br />
1.4 gci 556: <hr class="login" />
1.1 gci 557: <br />
558: <a href="/adm/resetpw" style="color: #ffffff">Forgot your password?</a><br>
559: <br />
560: </td>
561: </tr>
562: </table>
563: </td>
564: <td width="9"> </td>
565: </tr>
566: <tr>
1.4 gci 567: <td align="left" valign="bottom" width="11" height="11"><img src="/images/login/$domain/r8_c4.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 568: <td> </td>
1.4 gci 569: <td align="right" valign="bottom" width="11" height="11"><img src="/images/login/$domain/r8_c6.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 570: </tr>
571: <tr>
572: <td colspan="3" height="10" class="LC_loginbox_strip"> </td>
573: </tr>
574: </table>
575: </td>
1.4 gci 576: <td align="right" valign="top" width="11"><img src="/images/login/$domain/r1_c7.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 577: </tr>
578: <tr>
579: <td colspan="4">
1.7 gci 580: <div align="left">
1.1 gci 581: <table border="0" cellspacing="0" cellpadding="0">
582: <tr>
583: <td width="10"> </td>
584: <td><font size="-1">
1.7 gci 585: <b>Note</b>:<br />
1.1 gci 586: If log-in fails, it may be because your browser is not accepting session cookies, or javascript is disabled. <a href="http://loncapa.msu.edu/student/cookies.html">Learn more</a>.
587: </font>
588: </td>
589: <td width="10"> </td>
590: </tr>
591: </table>
1.7 gci 592: </div>
1.1 gci 593: </td>
594: </tr>
595: <tr>
1.4 gci 596: <td align="left" valign="bottom" width="11"><img src="/images/login/$domain/r9_c1.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 597: <td colspan="3" width="698"> </td>
1.4 gci 598: <td align="right" valign="bottom" width="11"><img src="/images/login/$domain/r9_c7.png" width="11" height="11" border="0" alt=""></td>
1.1 gci 599: </tr>
600: </table>
601: </div>
602: <p> </p>
603: <noscript><font size='3'> <b>Please Note:</b>
604: Javascript must be enabled in your web browser in order to use this web site.
605: </font></noscript>
606: <p> </p>
607: <input type="hidden" name="imagesuppress" value="" />
608: <input type="hidden" name="embedsuppress" value="" />
609: <input type="hidden" name="appletsuppress" value="" />
610: <input type="hidden" name="fontenhance" value="" />
611: <input type="hidden" name="blackwhite" value="" />
612: <input type="hidden" name="remember" value="" />
1.4 gci 613: END_OF_BLOCK3
1.1 gci 614: } else {
615: $r->print(<<ENDACCESSOPTIONS);
616: <h1>The Learning<i>Online</i> Network with CAPA</h1>
617: <h2>$lt{'tbli'}</h2>$announcements
618: <h3>$lt{'options_headline'}</h3>
1.2 gci 619: <form name="client" action="" onsubmit="return(send())">
1.1 gci 620: <label><input type="checkbox" name="imagesuppress" /> $lt{'sprs_img'}</label><br />
621: <label><input type="checkbox" name="appletsuppress" /> $lt{'sprs_applet'}</label><br />
622: <label><input type="checkbox" name="embedsuppress" /> $lt{'sprs_embed'}</label><br />
623: <label><input type="checkbox" name="fontenhance" /> $lt{'sprs_font'}</label><br />
624: <label><input type="checkbox" name="blackwhite" /> $lt{'sprs_blackwhite'}</label><br />
625: <br />
626: <input type="checkbox" name="remember" /> $lt{'remember'}
627: ENDACCESSOPTIONS
628: }
629: $r->print('
1.2 gci 630: <input type="hidden" name="lextkey" value="'.$lextkey.'" />
631: <input type="hidden" name="uextkey" value="'.$uextkey.'" />
1.1 gci 632: ');
633: unless ($fullgraph) {
634: my $logintitle;
635: if ($loginheader eq 'text') {
636: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2"> <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>';
637: } else {
638: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'.
639: &mt('User Authentication').'" /></td>';
640: }
641: my $noscript_warning='<td colspan="2" bgcolor="'.$mainbg.'">'
642: .'<noscript><div class="LC_warning"><font size="-1">'
643: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
644: .'</font></div></noscript></td>';
645: $r->print(<<ENDTEXTUAL);
646: <hr />
1.4 gci 647: <table border="0" cellspacing="0" cellpadding="0">
1.1 gci 648: <tr>$logintitle</tr>
649: <tr>$noscript_warning</tr>
650: <tr>
651: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
652: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
653: </tr>
654: <tr>
655: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
656: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
657: </tr>
658: <tr>
659: <td bgcolor="$mainbg"> </td>
660: <td bgcolor="$mainbg" valign="bottom" align="center">
661: <br />
662: <input type="submit" value="$lt{'log'}" />
1.4 gci 663: <input type="hidden" name="udom" value="$domain" />
1.1 gci 664: </td>
665: </tr>
666: <tr>
667: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
668: $loginhelp
669: $forgotpw
670: $newuserlink
671: $coursecatalog
672: <br />
673: </td>
674: </tr>
675: </table>
676: ENDTEXTUAL
677: }
678: $r->print(<<"ENDLOGIN");
679: </form>
680: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
681: <input type="hidden" name="logtoken" value="$logtoken" />
682: <input type="hidden" name="serverid" value="$lonhost" />
683: <input type="hidden" name="interface" value="$env{'form.interface'}" />
684: <input type="hidden" name="uname" value="" />
685: <input type="hidden" name="upass0" value="" />
686: <input type="hidden" name="upass1" value="" />
687: <input type="hidden" name="upass2" value="" />
688: <input type="hidden" name="udom" value="" />
689: <input type="hidden" name="imagesuppress" value="" />
690: <input type="hidden" name="appletsuppress" value="" />
691: <input type="hidden" name="embedsuppress" value="" />
692: <input type="hidden" name="fontenhance" value="" />
693: <input type="hidden" name="blackwhite" value="" />
694: <input type="hidden" name="remember" value="" />
695: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
696: <input type="hidden" name="localres" value="$env{'form.localres'}" />
697: </form>
698: ENDLOGIN
699: if ($fullgraph) {
700: my $helpdeskscript;
701: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
702: $version,$authdomain,\$helpdeskscript);
703: }
704: my %endargs = ( 'noredirectlink' => 1, );
705: $r->print(&Apache::loncommon::end_page(\%endargs));
706: return OK;
707: }
708:
709: sub contactdisplay {
710: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
711: my $contactblock;
712: my $showhelpdesk = 0;
713: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
714: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
715: $showhelpdesk = 1;
716: }
717: if ($servadm && $showadminmail) {
718: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
719: '<tt> '.$servadm.'</tt><br /> <br />';
720: }
721: if ($showhelpdesk) {
722: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
723: my $thisurl = &escape('/adm/login');
724: $$helpdeskscript = <<"ENDSCRIPT";
725: <script type="text/javascript">
1.2 gci 726: // <![CDATA[
1.1 gci 727: function helpdesk() {
728: var codedom = document.client.udom.value;
729: if (codedom == '') {
730: codedom = "$authdomain";
731: }
732: var querystr = "origurl=$thisurl&codedom="+codedom;
733: document.location.href = "/adm/helpdesk?"+querystr;
734: return;
735: }
1.2 gci 736: // ]]>
1.1 gci 737: </script>
738: ENDSCRIPT
739: }
740: $contactblock .= <<"ENDBLOCK";
741: $version
742: ENDBLOCK
743: return $contactblock;
744: }
745:
746: sub forgotpwdisplay {
747: my (%lt) = @_;
748: my $prompt_for_resetpw = 1;
749: if ($prompt_for_resetpw) {
750: return '<br /> <a href="/adm/resetpw"><b>'.$lt{'forgotpw'}.'</b></a><br />';
751: }
752: return;
753: }
754:
755: sub loginhelpdisplay {
756: my (%lt) = @_;
757: my $login_help = 1;
758: if ($login_help) {
759: return ' <a href="/adm/loginproblems.html"><b>'.$lt{'help'}.'</b></a>';
760: }
761: return;
762: }
763:
764: sub coursecatalog_link {
765: my ($linkname,$fullgraph) = @_;
766: my $link = '/adm/coursecatalog';
767: if (!$fullgraph) {
768: $link.= '?interface=textual';
769: }
770: return ' <a href="/adm/coursecatalog"><b>'.$linkname.'</b></a><br />';
771: END
772: }
773:
774: sub newuser_link {
775: my ($linkname) = @_;
776: return ' <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
777: }
778:
779: 1;
780: __END__
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