Annotation of loncom/auth/lonlogin.pm, revision 1.138
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.138 ! bisitz 4: # $Id: lonlogin.pm,v 1.137 2010/05/06 16:15:59 bisitz Exp $
1.11 www 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: #
1.14 albertel 28:
1.1 albertel 29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
1.63 albertel 34: use Apache::lonnet;
1.12 albertel 35: use Apache::loncommon();
1.49 www 36: use Apache::lonauth();
1.50 www 37: use Apache::lonlocal;
1.71 albertel 38: use Apache::migrateuser();
1.75 www 39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
1.1 albertel 42: sub handler {
43: my $r = shift;
1.71 albertel 44:
45: &Apache::loncommon::get_unprocessed_cgi
1.79 albertel 46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 48: ['interface','username','domain','firsturl','localpath','localres',
1.123 raeburn 49: 'token','role','symb']);
1.102 raeburn 50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
1.71 albertel 53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
1.53 www 59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
1.54 www 61: &Apache::loncommon::content_type($r,'text/html');
1.1 albertel 62: $r->send_http_header;
63: return OK if $r->header_only;
64:
1.49 www 65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
1.55 www 71:
1.71 albertel 72:
1.55 www 73: # -------------------------------- Prevent users from attempting to login twice
1.95 albertel 74: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.135 raeburn 75: if ($handle ne '') {
76: my $lonidsdir=$r->dir_config('lonIDsDir');
77: if ($handle=~/^publicuser\_/) {
1.70 www 78: # For "public user" - remove it, we apparently really want to login
1.135 raeburn 79: unlink($r->dir_config('lonIDsDir')."/$handle.id");
80: } else {
1.55 www 81: # Indeed, a valid token is found
1.135 raeburn 82: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
83: my $start_page =
84: &Apache::loncommon::start_page('Already logged in');
85: my $end_page =
86: &Apache::loncommon::end_page();
87: my $dest = '/adm/roles';
88: if ($env{'form.firsturl'} ne '') {
89: $dest = $env{'form.firsturl'};
90: }
91: $r->print(
1.100 bisitz 92: $start_page
1.103 bisitz 93: .'<h1>'.&mt('You are already logged in!').'</h1>'
1.117 hauer 94: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
1.125 raeburn 95: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.135 raeburn 96: .$end_page
1.100 bisitz 97: );
1.135 raeburn 98: return OK;
99: }
1.55 www 100: }
101:
102: # ---------------------------------------------------- No valid token, continue
1.16 www 103:
1.70 www 104: # ---------------------------- Not possible to really login to domain "public"
105: if ($env{'form.domain'} eq 'public') {
106: $env{'form.domain'}='';
107: $env{'form.username'}='';
108: }
1.32 www 109: # ----------------------------------------------------------- Process Interface
1.63 albertel 110: $env{'form.interface'}=~s/\W//g;
1.16 www 111:
1.32 www 112: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.94 albertel 113:
114: my $iconpath=
115: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
116:
1.126 raeburn 117: my $lonhost = $r->dir_config('lonHostID');
1.87 raeburn 118: my $domain = &Apache::lonnet::default_login_domain();
1.126 raeburn 119: if ($lonhost ne '') {
1.133 raeburn 120: my $redirect = &check_loginvia($domain,$lonhost);
121: if ($redirect) {
122: $r->print($redirect);
123: return OK;
124: }
1.126 raeburn 125: }
126:
1.63 albertel 127: if (($env{'form.domain'}) &&
1.89 albertel 128: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 129: $domain=$env{'form.domain'};
1.46 www 130: }
1.1 albertel 131: my $role = $r->dir_config('lonRole');
132: my $loadlim = $r->dir_config('lonLoadLim');
1.90 raeburn 133: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 134: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 135: my $include = $r->dir_config('lonIncludes');
1.37 www 136: my $expire = $r->dir_config('lonExpire');
1.44 www 137: my $version = $r->dir_config('lonVersion');
1.88 albertel 138: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 139:
1.30 www 140: # --------------------------------------------- Default values for login fields
141:
1.63 albertel 142: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
143: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30 www 144:
145: # ---------------------------------------------------------- Determine own load
1.1 albertel 146: my $loadavg;
1.41 albertel 147: {
148: my $loadfile=Apache::File->new('/proc/loadavg');
149: $loadavg=<$loadfile>;
150: }
1.1 albertel 151: $loadavg =~ s/\s.*//g;
1.57 matthew 152: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41 albertel 153: my $userloadpercent=&Apache::lonnet::userload();
1.1 albertel 154:
1.30 www 155: # ------------------------------------------------------- Do the load balancing
1.80 albertel 156: my $otherserver= &Apache::lonnet::absolute_url($host_name);
1.31 www 157: my $firsturl=
1.63 albertel 158: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.97 albertel 159: # ---------------------------------------------------------- Are we overloaded?
160: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
1.47 albertel 161: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
162: if ($unloaded) { $otherserver=$unloaded; }
1.1 albertel 163: }
1.6 www 164:
1.45 www 165: # ----------------------------------------------------------- Get announcements
166: my $announcements=&Apache::lonnet::getannounce();
1.6 www 167: # -------------------------------------------------------- Set login parameters
168:
169: my @hexstr=('0','1','2','3','4','5','6','7',
170: '8','9','a','b','c','d','e','f');
171: my $lkey='';
172: for (0..7) {
173: $lkey.=$hexstr[rand(15)];
174: }
175:
176: my $ukey='';
177: for (0..7) {
178: $ukey.=$hexstr[rand(15)];
179: }
180:
181: my $lextkey=hex($lkey);
1.15 www 182: if ($lextkey>2147483647) { $lextkey-=4294967296; }
183:
1.6 www 184: my $uextkey=hex($ukey);
1.15 www 185: if ($uextkey>2147483647) { $uextkey-=4294967296; }
186:
1.31 www 187: # -------------------------------------------------------- Store away log token
1.123 raeburn 188: my $tokenextras;
189: if ($env{'form.role'}) {
190: $tokenextras = '&role='.&escape($env{'form.role'});
191: }
192: if ($env{'form.symb'}) {
1.124 raeburn 193: if (!$tokenextras) {
194: $tokenextras = '&';
195: }
1.123 raeburn 196: $tokenextras .= '&symb='.&escape($env{'form.symb'});
197: }
1.6 www 198: my $logtoken=Apache::lonnet::reply(
1.123 raeburn 199: 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
1.6 www 200: $lonhost);
1.31 www 201:
202: # ------------------- If we cannot talk to ourselves, we are in serious trouble
203:
204: if ($logtoken eq 'con_lost') {
205: my $spares='';
1.64 albertel 206: my $last;
207: foreach my $hostid (sort
208: {
1.88 albertel 209: &Apache::lonnet::hostname($a) cmp
210: &Apache::lonnet::hostname($b);
1.64 albertel 211: }
212: keys(%Apache::lonnet::spareid)) {
1.58 matthew 213: next if ($hostid eq $lonhost);
1.88 albertel 214: my $hostname = &Apache::lonnet::hostname($hostid);
215: next if ($last eq $hostname);
1.58 matthew 216: $spares.='<br /><font size="+1"><a href="http://'.
1.88 albertel 217: $hostname.
1.58 matthew 218: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 219: $hostname.'</a>'.
1.106 bisitz 220: ' '.&mt('(preferred)').'</font>'.$/;
1.88 albertel 221: $last=$hostname;
1.58 matthew 222: }
1.107 tempelho 223: $spares.= '<br />';
224: my %all_hostnames = &Apache::lonnet::all_hostnames();
225: foreach my $hostid (sort
226: {
227: &Apache::lonnet::hostname($a) cmp
228: &Apache::lonnet::hostname($b);
229: }
230: keys(%all_hostnames)) {
231: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
232: my $hostname = &Apache::lonnet::hostname($hostid);
233: next if ($last eq $hostname);
234: $spares.='<br /><a href="http://'.
235: $hostname.
236: '/adm/login?domain='.$authdomain.'">'.
237: $hostname.'</a>';
238: $last=$hostname;
239: }
240: $r->print(
241: '<html>'
242: .'<head><title>'
243: .&mt('The LearningOnline Network with CAPA')
244: .'</title></head>'
245: .'<body bgcolor="#FFFFFF">'
246: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
247: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
248: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
249: .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
250: .$spares
251: .'</body>'
252: .'</html>'
253: );
254: return OK;
255: }
1.31 www 256:
257: # ----------------------------------------------- Apparently we are in business
1.107 tempelho 258: $servadm=~s/\,/\<br \/\>/g;
1.38 www 259:
1.21 www 260: # ----------------------------------------------------------- Front page design
1.119 tempelho 261: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
262: my $font=&Apache::loncommon::designparm('login.font',$domain);
263: my $link=&Apache::loncommon::designparm('login.link',$domain);
264: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
1.107 tempelho 265: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.119 tempelho 266: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
1.137 bisitz 267: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
268: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
269: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
1.107 tempelho 270: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
271: my $img=&Apache::loncommon::designparm('login.img',$domain);
1.132 bisitz 272: my $domainlogo='<div>'.&Apache::loncommon::domainlogo($domain).'</div>';
1.109 raeburn 273: my $showbanner = 1;
274: my $showmainlogo = 1;
275: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
276: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
277: }
278: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
279: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
280: }
1.107 tempelho 281: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
282: my $showcoursecat =
283: &Apache::loncommon::designparm('login.coursecatalog',$domain);
284: my $shownewuserlink =
285: &Apache::loncommon::designparm('login.newuser',$domain);
286: my $now=time;
287: my $js = (<<ENDSCRIPT);
288:
1.116 bisitz 289: <script type="text/javascript" language="JavaScript">
1.122 bisitz 290: // <![CDATA[
1.107 tempelho 291: function send()
292: {
293: this.document.server.elements.uname.value
294: =this.document.client.elements.uname.value;
295:
296: this.document.server.elements.udom.value
297: =this.document.client.elements.udom.value;
298:
299: uextkey=this.document.client.elements.uextkey.value;
300: lextkey=this.document.client.elements.lextkey.value;
301: initkeys();
302:
303: this.document.server.elements.upass0.value
304: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
305: this.document.server.elements.upass1.value
306: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
307: this.document.server.elements.upass2.value
308: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
1.6 www 309:
1.107 tempelho 310: this.document.client.elements.uname.value='';
311: this.document.client.elements.upass$now.value='';
1.6 www 312:
1.107 tempelho 313: this.document.server.submit();
314: return false;
315: }
1.122 bisitz 316: // ]]>
1.107 tempelho 317: </script>
1.98 raeburn 318:
1.16 www 319: ENDSCRIPT
1.6 www 320:
1.98 raeburn 321: # --------------------------------------------------- Print login screen header
322:
1.118 tempelho 323: my %add_entries = (
1.108 tempelho 324: bgcolor => "$mainbg",
1.107 tempelho 325: text => "$font",
326: link => "$link",
327: vlink => "$vlink",
328: alink => "$alink",);
329:
330: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
331: { 'redirect' => [$expire,'/adm/roles'],
332: 'add_entries' => \%add_entries,
333: 'only_body' => 1,}));
1.98 raeburn 334:
335: # ----------------------------------------------------------------------- Texts
336:
337: my %lt=&Apache::lonlocal::texthash(
1.129 bisitz 338: 'un' => 'Username',
339: 'pw' => 'Password',
340: 'dom' => 'Domain',
341: 'perc' => 'percent',
342: 'load' => 'Server Load',
343: 'userload' => 'User Load',
344: 'catalog' => 'Course/Community Catalog',
345: 'log' => 'Log in',
346: 'help' => 'Log-in Help',
347: 'serv' => 'Server',
348: 'servadm' => 'Server Administration',
349: 'helpdesk' => 'Contact Helpdesk',
350: 'forgotpw' => 'Forgot password?',
351: 'newuser' => 'New User?',
352: );
1.98 raeburn 353: # -------------------------------------------------- Change password field name
1.131 jms 354:
1.107 tempelho 355: my $forgotpw = &forgotpwdisplay(%lt);
1.132 bisitz 356: $forgotpw .= '<br />' if $forgotpw;
1.135 raeburn 357: my $loginhelp = &loginhelpdisplay($authdomain,%lt);
1.132 bisitz 358: $loginhelp .= '<br />' if $loginhelp;
1.98 raeburn 359:
360: # ---------------------------------------------------- Serve out DES JavaScript
1.107 tempelho 361: {
362: my $jsh=Apache::File->new($include."/londes.js");
363: $r->print(<$jsh>);
364: }
1.98 raeburn 365: # ---------------------------------------------------------- Serve rest of page
366:
1.107 tempelho 367: $r->print(
1.137 bisitz 368: '<div class="LC_Box"'
369: .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
370: );
1.6 www 371:
1.120 foxr 372: #
373: # If the loadbalancing yielded just http:// because perhaps there's no loadbalancing?
374: # then just us a relative link to authenticate:
375: #
376:
1.107 tempelho 377: $r->print(<<ENDSERVERFORM);
378: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
1.33 www 379: <input type="hidden" name="logtoken" value="$logtoken" />
380: <input type="hidden" name="serverid" value="$lonhost" />
381: <input type="hidden" name="uname" value="" />
1.65 www 382: <input type="hidden" name="upass0" value="" />
383: <input type="hidden" name="upass1" value="" />
384: <input type="hidden" name="upass2" value="" />
1.33 www 385: <input type="hidden" name="udom" value="" />
1.63 albertel 386: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
387: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 388: </form>
1.16 www 389: ENDSERVERFORM
1.108 tempelho 390: my $coursecatalog;
391: if (($showcoursecat eq '') || ($showcoursecat)) {
1.132 bisitz 392: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
1.108 tempelho 393: }
394: my $newuserlink;
395: if ($shownewuserlink) {
1.132 bisitz 396: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
1.108 tempelho 397: }
1.137 bisitz 398: my $logintitle =
399: '<h2 class="LC_hcell"'
400: .' style="background:'.$loginbox_header_bgcol.';'
1.138 ! bisitz 401: .' color:'.$loginbox_header_textcol.'">'
! 402: .$lt{'log'}
! 403: .'</h2>';
1.108 tempelho 404:
405: my $noscript_warning='<noscript><span class="LC_warning"><b>'
406: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
407: .'</b></span></noscript>';
408: my $helpdeskscript;
409: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
1.132 bisitz 410: $authdomain,\$helpdeskscript);
1.107 tempelho 411:
1.108 tempelho 412: my $loginform=(<<LFORM);
1.122 bisitz 413: <form name="client" action="" onsubmit="return(send())">
1.115 bisitz 414: <input type="hidden" name="lextkey" value="$lextkey" />
415: <input type="hidden" name="uextkey" value="$uextkey" />
1.108 tempelho 416: <b><label for="uname">$lt{'un'}</label>:</b><br />
1.130 bisitz 417: <input type="text" name="uname" id="uname" size="15" value="$authusername" /><br />
1.108 tempelho 418: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.130 bisitz 419: <input type="password" name="upass$now" id="upass$now" size="15" /><br />
1.108 tempelho 420: <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.130 bisitz 421: <input type="text" name="udom" id="udom" size="15" value="$authdomain" /><br />
1.108 tempelho 422: <input type="submit" value="$lt{'log'}" />
423: </form>
424: LFORM
425:
1.109 raeburn 426: if ($showbanner) {
427: $r->print(<<HEADER);
428: <!-- The LON-CAPA Header -->
1.132 bisitz 429: <div style="background:$pgbg;margin:0;width:100%;">
430: <img src="$img" border="0" alt="The Learning Online Network with CAPA" />
431: </div>
1.109 raeburn 432: HEADER
433: }
434: $r->print(<<ENDTOP);
1.137 bisitz 435: <div style="float:left;">
436: <div class="LC_Box" style="background:$loginbox_bg;">
1.112 muellerd 437: $logintitle
1.137 bisitz 438: $loginform
439: $noscript_warning
1.108 tempelho 440: </div>
1.107 tempelho 441:
1.137 bisitz 442: <div class="LC_Box" style="padding-top: 10px;">
1.132 bisitz 443: $loginhelp
444: $forgotpw
445: $contactblock
446: $newuserlink
1.130 bisitz 447: $coursecatalog
1.107 tempelho 448: </div>
1.118 tempelho 449: </div>
1.137 bisitz 450:
451: <div>
1.118 tempelho 452: ENDTOP
453: if ($showmainlogo) {
454: $r->print(' <img src="'.$logo.'" alt="" />'."\n");
455: }
456: $r->print(<<ENDTOP);
457: $announcements
458: $domainlogo
1.137 bisitz 459: </div>
460: <hr style="clear:both;" />
1.108 tempelho 461: ENDTOP
462:
463: $r->print(<<ENDDOCUMENT);
1.115 bisitz 464: <table border="0" cellspacing="0" cellpadding="0">
1.14 albertel 465: <tr>
1.110 muellerd 466: <td align="left" valign="top">
1.132 bisitz 467: <small><b>$lt{'dom'}: </b></small>
1.14 albertel 468: </td>
1.110 muellerd 469: <td align="left" valign="top">
1.14 albertel 470: <small><tt> $domain</tt></small>
471: </td>
472: </tr>
473: <tr>
1.110 muellerd 474: <td align="left" valign="top">
1.132 bisitz 475: <small><b>$lt{'serv'}: </b></small>
1.14 albertel 476: </td>
1.110 muellerd 477: <td align="left" valign="top">
1.14 albertel 478: <small><tt> $lonhost ($role)</tt></small>
479: </td>
480: </tr>
481: <tr>
1.110 muellerd 482: <td align="left" valign="top">
1.132 bisitz 483: <small><b>$lt{'load'}: </b></small>
1.14 albertel 484: </td>
1.110 muellerd 485: <td align="left" valign="top">
1.51 www 486: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 487: </td>
488: </tr>
489: <tr>
1.110 muellerd 490: <td align="left" valign="top">
1.132 bisitz 491: <small><b>$lt{'userload'}: </b></small>
1.42 albertel 492: </td>
1.110 muellerd 493: <td align="left" valign="top">
1.51 www 494: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 495: </td>
496: </tr>
1.132 bisitz 497: <tr>
498: <td colspan="2" align="left">
499: <small>$version</small>
500: </td>
501: </tr>
1.14 albertel 502: </table>
1.107 tempelho 503: </div>
1.25 bowersj2 504:
1.59 albertel 505: <script type="text/javascript">
1.122 bisitz 506: // <![CDATA[
1.59 albertel 507: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 508: if ( document.client.uname ) { document.client.uname.focus(); }
1.122 bisitz 509: // ]]>
1.25 bowersj2 510: </script>
1.62 raeburn 511: $helpdeskscript
1.14 albertel 512:
1.1 albertel 513: ENDDOCUMENT
1.98 raeburn 514: my %endargs = ( 'noredirectlink' => 1, );
515: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 516: return OK;
1.60 raeburn 517: }
518:
1.133 raeburn 519: sub check_loginvia {
520: my ($domain,$lonhost) = @_;
521: if ($domain eq '' || $lonhost eq '') {
522: return;
523: }
524: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
525: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
526: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
527: my $output;
528: if ($loginvia ne '') {
529: my $noredirect;
530: my $ip = $ENV{'REMOTE_ADDR'};
531: if ($ip eq '127.0.0.1') {
532: $noredirect = 1;
533: } else {
534: if ($loginvia_exempt ne '') {
535: my @exempt = split(',',$loginvia_exempt);
536: if (grep(/^\Q$ip\E$/,@exempt)) {
537: $noredirect = 1;
538: }
539: }
540: }
541: unless ($noredirect) {
542: my ($newhost,$path);
543: if ($loginvia =~ /:/) {
544: ($newhost,$path) = split(':',$loginvia);
545: } else {
546: $newhost = $loginvia;
547: }
548: if ($newhost ne $lonhost) {
549: if (&Apache::lonnet::hostname($newhost) ne '') {
550: $output = &redirect_page($newhost,$path);
551: }
552: }
553: }
554: }
555: return $output;
556: }
557:
1.126 raeburn 558: sub redirect_page {
1.133 raeburn 559: my ($desthost,$path) = @_;
1.126 raeburn 560: my $protocol = $Apache::lonnet::protocol{$desthost};
561: $protocol = 'http' if ($protocol ne 'https');
1.133 raeburn 562: unless ($path =~ m{^/}) {
563: $path = '/'.$path;
564: }
565: my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).$path;
1.126 raeburn 566: if ($env{'form.firsturl'} ne '') {
567: $url .='?firsturl='.$env{'form.firsturl'};
568: }
1.136 raeburn 569: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
1.126 raeburn 570: {'redirect' => [0,$url],});
571: my $end_page = &Apache::loncommon::end_page();
572: return $start_page.$end_page;
573: }
574:
1.60 raeburn 575: sub contactdisplay {
1.132 bisitz 576: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript) = @_;
1.60 raeburn 577: my $contactblock;
1.62 raeburn 578: my $showhelpdesk = 0;
579: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
580: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
581: $showhelpdesk = 1;
582: }
1.90 raeburn 583: if ($servadm && $showadminmail) {
1.130 bisitz 584: $contactblock .= $$lt{'servadm'}.':<br />'.
585: '<tt>'.$servadm.'</tt><br />';
1.90 raeburn 586: }
1.60 raeburn 587: if ($showhelpdesk) {
1.114 tempelho 588: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75 www 589: my $thisurl = &escape('/adm/login');
1.62 raeburn 590: $$helpdeskscript = <<"ENDSCRIPT";
591: <script type="text/javascript">
1.122 bisitz 592: // <![CDATA[
1.62 raeburn 593: function helpdesk() {
594: var codedom = document.client.udom.value;
595: if (codedom == '') {
596: codedom = "$authdomain";
597: }
598: var querystr = "origurl=$thisurl&codedom="+codedom;
599: document.location.href = "/adm/helpdesk?"+querystr;
600: return;
601: }
1.122 bisitz 602: // ]]>
1.62 raeburn 603: </script>
604: ENDSCRIPT
1.60 raeburn 605: }
606: return $contactblock;
607: }
1.83 raeburn 608:
609: sub forgotpwdisplay {
1.84 raeburn 610: my (%lt) = @_;
1.83 raeburn 611: my $prompt_for_resetpw = 1;
612: if ($prompt_for_resetpw) {
1.107 tempelho 613: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84 raeburn 614: }
615: return;
616: }
617:
618: sub loginhelpdisplay {
1.135 raeburn 619: my ($authdomain,%lt) = @_;
1.84 raeburn 620: my $login_help = 1;
621: if ($login_help) {
1.135 raeburn 622: my $dom = $authdomain;
623: if ($dom eq '') {
624: $dom = &Apache::lonnet::default_login_domain();
625: }
626: my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom);
627: my $loginhelp_url = $helpconfig{'helpsettings'}{'loginhelpurl'};
628: if ($loginhelp_url ne '') {
629: return '<a href="'.$loginhelp_url.'">'.$lt{'help'}.'</a>';
1.131 jms 630: } else {
1.135 raeburn 631: return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
632: }
1.83 raeburn 633: }
634: return;
635: }
1.1 albertel 636:
1.90 raeburn 637: sub coursecatalog_link {
638: my ($linkname) = @_;
639: return <<"END";
1.137 bisitz 640: <a href="/adm/coursecatalog">$linkname</a>
1.90 raeburn 641: END
642: }
643:
1.101 raeburn 644: sub newuser_link {
645: my ($linkname) = @_;
1.130 bisitz 646: return '<a href="/adm/createaccount">'.$linkname.'</a>';
1.101 raeburn 647: }
648:
1.1 albertel 649: 1;
650: __END__
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