Annotation of loncom/auth/lonauth.pm, revision 1.121.2.24.2.4
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.27 www 3: #
1.121.2.24.2. (raeburn 4:): # $Id: lonauth.pm,v 1.121.2.24.2.3 2022/02/27 02:57:35 raeburn Exp $
1.27 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: #
1.1 albertel 28:
29: package Apache::lonauth;
30:
1.18 albertel 31: use strict;
1.121.2.24.2. (raeburn 32:): use LONCAPA qw(:DEFAULT :match);
1.1 albertel 33: use Apache::Constants qw(:common);
34: use CGI qw(:standard);
1.45 matthew 35: use Apache::loncommon();
1.66 albertel 36: use Apache::lonnet;
1.12 www 37: use Apache::lonmenu();
1.90 raeburn 38: use Apache::createaccount;
1.18 albertel 39: use Fcntl qw(:flock);
1.56 www 40: use Apache::lonlocal;
1.119 raeburn 41: use Apache::File();
1.101 raeburn 42: use HTML::Entities;
1.121.2.18 raeburn 43: use Digest::MD5;
1.121.2.24 raeburn 44: use CGI::Cookie();
1.85 albertel 45:
1.1 albertel 46: # ------------------------------------------------------------ Successful login
1.85 albertel 47: sub success {
48: my ($r, $username, $domain, $authhost, $lowerurl, $extra_env,
1.121.2.22 raeburn 49: $form,$cid,$expirepub) = @_;
1.1 albertel 50:
1.85 albertel 51: # ------------------------------------------------------------ Get cookie ready
52: my $cookie =
53: &Apache::loncommon::init_user_environment($r, $username, $domain,
54: $authhost, $form,
1.86 albertel 55: {'extra_env' => $extra_env,});
1.4 www 56:
1.69 albertel 57: my $public=($username eq 'public' && $domain eq 'public');
58:
1.85 albertel 59: if ($public or $lowerurl eq 'noredirect') { return $cookie; }
1.78 albertel 60:
1.7 www 61: # -------------------------------------------------------------------- Log this
62:
1.121.2.21 raeburn 63: my $ip = &Apache::lonnet::get_requestor_ip();
1.7 www 64: &Apache::lonnet::log($domain,$username,$authhost,
1.121.2.21 raeburn 65: "Login $ip");
1.4 www 66:
1.14 www 67: # ------------------------------------------------- Check for critical messages
68:
1.21 www 69: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 70: if ($what[0]) {
1.22 www 71: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
1.21 www 72: $lowerurl='/adm/email?critical=display';
1.14 www 73: }
74: }
75:
1.121.2.18 raeburn 76: # ------------------------------------------------------------ Get cookies ready
77: my ($securecookie,$defaultcookie);
78: my $ssl = $r->subprocess_env('https');
79: if ($ssl) {
80: $securecookie="lonSID=$cookie; path=/; HttpOnly; secure";
81: my $lonidsdir=$r->dir_config('lonIDsDir');
82: if (($lonidsdir) && (-e "$lonidsdir/$cookie.id")) {
83: my $linkname=substr(Digest::MD5::md5_hex(Digest::MD5::md5_hex(time(). {}. rand(). $$)), 0, 32).'_linked';
84: if (-e "$lonidsdir/$linkname.id") {
85: unlink("$lonidsdir/$linkname.id");
86: }
87: my $made_symlink = eval { symlink("$lonidsdir/$cookie.id",
88: "$lonidsdir/$linkname.id"); 1 };
89: if ($made_symlink) {
90: $defaultcookie = "lonLinkID=$linkname; path=/; HttpOnly;";
91: &Apache::lonnet::appenv({'user.linkedenv' => $linkname});
92: }
93: }
94: } else {
95: $defaultcookie = "lonID=$cookie; path=/; HttpOnly;";
96: }
1.12 www 97: # -------------------------------------------------------- Menu script and info
1.100 raeburn 98: my $destination = $lowerurl;
99:
100: if (defined($form->{role})) {
101: my $envkey = 'user.role.'.$form->{role};
102: my $now=time;
103: my $then=$env{'user.login.time'};
104: my $refresh=$env{'user.refresh.time'};
1.111 raeburn 105: my $update=$env{'user.update.time'};
106: if (!$update) {
107: $update = $then;
108: }
1.100 raeburn 109: if (exists($env{$envkey})) {
110: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
1.111 raeburn 111: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
1.100 raeburn 112: \$trolecode,\$tstatus,\$tstart,\$tend);
113: if ($tstatus eq 'is') {
1.101 raeburn 114: $destination .= ($destination =~ /\?/) ? '&' : '?';
115: my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
116: $destination .= 'selectrole=1&'.$newrole.'=1';
1.100 raeburn 117: }
118: }
119: }
1.101 raeburn 120: if (defined($form->{symb})) {
121: my $destsymb = $form->{symb};
1.121.2.19 raeburn 122: my $encrypted;
123: if ($destsymb =~ m{^/enc/}) {
124: $encrypted = 1;
125: if ($cid) {
126: $destsymb = &Apache::lonenc::unencrypted($destsymb,$cid);
127: }
128: }
1.101 raeburn 129: $destination .= ($destination =~ /\?/) ? '&' : '?';
130: if ($destsymb =~ /___/) {
131: my ($map,$resid,$desturl)=split(/___/,$destsymb);
1.121.2.13 raeburn 132: $desturl = &Apache::lonnet::clutter($desturl);
1.121.2.19 raeburn 133: if ($encrypted) {
134: $desturl = &Apache::lonenc::encrypted($desturl,1,$cid);
135: $destsymb = $form->{symb};
136: }
1.101 raeburn 137: $desturl = &HTML::Entities::encode($desturl,'"<>&');
138: $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
1.121.2.8 raeburn 139: $destination .= 'destinationurl='.$desturl.
1.101 raeburn 140: '&destsymb='.$destsymb;
1.121.2.19 raeburn 141: } elsif (!$encrypted) {
1.101 raeburn 142: $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
1.121.2.8 raeburn 143: $destination .= 'destinationurl='.$destsymb;
1.101 raeburn 144: }
145: }
1.111 raeburn 146: if ($destination =~ m{^/adm/roles}) {
147: $destination .= ($destination =~ /\?/) ? '&' : '?';
148: $destination .= 'source=login';
149: }
1.100 raeburn 150:
1.121.2.24.2. (raeburn 151:): my $brcrum = [{'href' => '',
152:): 'text' => 'Successful Login'},];
153:): my $args = {'no_inline_link' => 1,
154:): 'bread_crumbs' => $brcrum,};
155:): if (($env{'request.deeplink.login'} eq $lowerurl) &&
156:): (($env{'request.linkprot'}) || ($env{'request.linkkey'} ne ''))) {
157:): my %info;
158:): if ($env{'request.linkprot'}) {
159:): $info{'linkprot'} = $env{'request.linkprot'};
160:): foreach my $item ('linkprotuser','linkprotexit') {
161:): if ($form->{$item}) {
162:): $info{$item} = $form->{$item};
163:): }
164:): }
165:): $args = {'only_body' => 1,};
166:): } elsif ($env{'request.linkkey'} ne '') {
167:): $info{'linkkey'} = $env{'request.linkkey'};
168:): }
169:): $info{'origurl'} = $lowerurl;
170:): my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
171:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
172:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
173:): $destination .= (($destination =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
174:): }
175:): }
176:): if ($env{'request.deeplink.login'}) {
177:): if ($env{'environment.remote'} eq 'on') {
178:): &Apache::lonnet::appenv({'environment.remote' => 'off'});
179:): }
180:): }
181:):
1.121.2.1 raeburn 182: my $windowinfo=&Apache::lonmenu::open($env{'browser.os'});
183: my $startupremote=&Apache::lonmenu::startupremote($destination);
184: my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl);
185: my $setflags=&Apache::lonmenu::setflags();
186: my $maincall=&Apache::lonmenu::maincall();
1.74 albertel 187: my $start_page=&Apache::loncommon::start_page('Successful Login',
1.121.2.24.2. (raeburn 188:): $startupremote,$args);
1.74 albertel 189: my $end_page =&Apache::loncommon::end_page();
190:
1.121.2.1 raeburn 191: my $continuelink;
192: if ($env{'environment.remote'} eq 'off') {
193: $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
194: }
1.5 www 195: # ------------------------------------------------- Output for successful login
196:
1.74 albertel 197: &Apache::loncommon::content_type($r,'text/html');
1.121.2.18 raeburn 198: if ($securecookie) {
199: $r->headers_out->add('Set-cookie' => $securecookie);
200: }
201: if ($defaultcookie) {
202: $r->headers_out->add('Set-cookie' => $defaultcookie);
203: }
1.121.2.22 raeburn 204: if ($expirepub) {
205: my $c = new CGI::Cookie(-name => 'lonPubID',
206: -value => '',
207: -expires => '-10y',);
208: $r->headers_out->add('Set-cookie' => $c);
209: }
1.74 albertel 210: $r->send_http_header;
1.1 albertel 211:
1.121.2.24.2. (raeburn 212:): if ($env{'request.linkprot'}) {
213:): $r->print(<<END);
214:): $start_page
215:): <br />$continuelink
216:): $end_page
217:): END
218:): } else {
219:): my %lt=&Apache::lonlocal::texthash(
220:): 'wel' => 'Welcome',
221:): 'pro' => 'Login problems?',
222:): );
223:): my $loginhelp = &loginhelpdisplay($domain);
224:): if ($loginhelp) {
225:): $loginhelp = '<p><a href="'.$loginhelp.'">'.$lt{'pro'}.'</a></p>';
226:): }
1.121.2.2 raeburn 227:
1.121.2.24.2. (raeburn 228:): my $welcome = &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','<i>','</i>');
229:): $r->print(<<ENDSUCCESS);
1.74 albertel 230: $start_page
1.121.2.1 raeburn 231: $setflags
1.19 www 232: $windowinfo
1.58 www 233: <h1>$lt{'wel'}</h1>
1.121.2.2 raeburn 234: $welcome
235: $loginhelp
1.121.2.1 raeburn 236: $remoteinfo
237: $maincall
1.64 albertel 238: $continuelink
1.74 albertel 239: $end_page
1.1 albertel 240: ENDSUCCESS
1.121.2.24.2. (raeburn 241:): }
1.121.2.11 raeburn 242: return;
1.1 albertel 243: }
244:
245: # --------------------------------------------------------------- Failed login!
246:
247: sub failed {
1.121.2.22 raeburn 248: my ($r,$message,$form,$authhost) = @_;
1.121.2.7 raeburn 249: (undef,undef,undef,my $clientmathml,my $clientunicode) =
250: &Apache::loncommon::decode_user_agent();
251: my $args = {};
252: if ($clientunicode && !$clientmathml) {
253: $args = {'browser.unicode' => 1};
254: }
1.121.2.24.2. (raeburn 255:): if ($form->{firsturl} =~ m{^/tiny/$match_domain/\w+$}) {
256:): if ($form->{linkprot}) {
257:): $args->{only_body} = 1;
258:): }
259:): }
1.121.2.7 raeburn 260:
261: my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,$args);
262: my $uname = &Apache::loncommon::cleanup_html($form->{'uname'});
263: my $udom = &Apache::loncommon::cleanup_html($form->{'udom'});
264: if (&Apache::lonnet::domain($udom,'description') eq '') {
265: undef($udom);
266: }
267: my $retry = '/adm/login';
268: if ($uname eq $form->{'uname'}) {
269: $retry .= '?username='.$uname;
270: }
271: if ($udom) {
272: $retry .= (($retry=~/\?/)?'&':'?').'domain='.$udom;
273: }
1.121.2.22 raeburn 274: my $lonhost = $r->dir_config('lonHostID');
275: my $querystr;
276: my $result = &set_retry_token($form,$lonhost,\$querystr);
277: if ($result eq 'fail') {
278: if (exists($form->{role})) {
279: my $role = &Apache::loncommon::cleanup_html($form->{role});
280: if ($role ne '') {
281: $retry .= (($retry=~/\?/)?'&':'?').'role='.$role;
282: }
283: }
284: if (exists($form->{symb})) {
285: my $symb = &Apache::loncommon::cleanup_html($form->{symb});
286: if ($symb ne '') {
287: $retry .= (($retry=~/\?/)?'&':'?').'symb='.$symb;
288: }
289: }
290: if (exists($form->{firsturl})) {
291: my $firsturl = &Apache::loncommon::cleanup_html($form->{firsturl});
292: if ($firsturl ne '') {
293: $retry .= (($retry=~/\?/)?'&':'?').'firsturl='.$firsturl;
1.121.2.24.2. (raeburn 294:): if ($form->{firsturl} =~ m{^/tiny/$match_domain/\w+$}) {
295:): unless (exists($form->{linkprot})) {
296:): if (exists($form->{linkkey})) {
297:): $retry .= 'linkkey='.$form->{linkkey};
298:): }
299:): }
300:): }
301:): }
302:): }
303:): if (exists($form->{linkprot})) {
304:): my %info = (
305:): 'linkprot' => $form->{'linkprot'},
306:): );
307:): foreach my $item ('linkprotuser','linkprotexit') {
308:): if ($form->{$item} ne '') {
309:): $info{$item} = $form->{$item};
310:): }
311:): }
312:): my $ltoken = &Apache::lonnet::tmpput(\%info,
313:): $r->dir_config('lonHostID'),'retry');
314:): if ($ltoken) {
315:): $retry .= (($retry =~ /\?/) ? '&' : '?').'ltoken='.$ltoken;
1.121.2.22 raeburn 316: }
1.121.2.7 raeburn 317: }
1.121.2.22 raeburn 318: } elsif ($querystr ne '') {
319: $retry .= (($retry=~/\?/)?'&':'?').$querystr;
1.100 raeburn 320: }
1.121.2.7 raeburn 321: my $end_page = &Apache::loncommon::end_page();
1.74 albertel 322: &Apache::loncommon::content_type($r,'text/html');
323: $r->send_http_header;
1.121.2.9 raeburn 324: my @actions =
325: (&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>'));
1.121.2.7 raeburn 326: my $loginhelp = &loginhelpdisplay($udom);
1.121.2.2 raeburn 327: if ($loginhelp) {
1.121.2.9 raeburn 328: push(@actions, '<a href="'.$loginhelp.'">'.&mt('Login problems?').'</a>');
1.121.2.2 raeburn 329: }
1.121.2.9 raeburn 330: #FIXME: link to helpdesk might be added here
1.121.2.2 raeburn 331:
1.92 bisitz 332: $r->print(
333: $start_page
1.121.2.9 raeburn 334: .'<h2>'.&mt('Sorry ...').'</h2>'
335: .&Apache::lonhtmlcommon::confirm_success(&mt($message),1).'<br /><br />'
336: .&Apache::lonhtmlcommon::actionbox(\@actions)
1.92 bisitz 337: .$end_page
338: );
339: }
1.60 www 340:
1.55 www 341: # ------------------------------------------------------------------ Rerouting!
342:
343: sub reroute {
1.74 albertel 344: my ($r) = @_;
345: &Apache::loncommon::content_type($r,'text/html');
346: $r->send_http_header;
1.121.2.5 raeburn 347: my $msg='<b>'.&mt('Sorry ...').'</b><br />'
1.92 bisitz 348: .&mt('Please [_1]log in again[_2].');
1.121.2.5 raeburn 349: &Apache::loncommon::simple_error_page($r,'Rerouting',$msg,{'no_auto_mt_msg' => 1});
1.55 www 350: }
351:
1.1 albertel 352: # ---------------------------------------------------------------- Main handler
353:
354: sub handler {
355: my $r = shift;
1.120 raeburn 356: my $londocroot = $r->dir_config('lonDocRoot');
1.55 www 357: # Are we re-routing?
1.120 raeburn 358: if (-e "$londocroot/lon-status/reroute.txt") {
1.55 www 359: &reroute($r);
360: return OK;
361: }
1.56 www 362:
1.57 www 363: &Apache::lonlocal::get_language_handle($r);
1.1 albertel 364:
1.59 www 365: # -------------------------------- Prevent users from attempting to login twice
1.89 albertel 366: my $handle = &Apache::lonnet::check_for_valid_session($r);
367: if ($handle ne '') {
1.103 raeburn 368: my $lonidsdir=$r->dir_config('lonIDsDir');
369: if ($handle=~/^publicuser\_/) {
370: # For "public user" - remove it, we apparently really want to login
371: unlink($r->dir_config('lonIDsDir')."/$handle.id");
372: } else {
1.59 www 373: # Indeed, a valid token is found
1.103 raeburn 374: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
375: &Apache::loncommon::content_type($r,'text/html');
376: $r->send_http_header;
377: my $start_page =
378: &Apache::loncommon::start_page('Already logged in');
379: my $end_page =
380: &Apache::loncommon::end_page();
1.105 raeburn 381: my $dest = '/adm/roles';
1.121.2.22 raeburn 382: my %form = &get_form_items($r);
383: if ($form{'logtoken'}) {
384: my $tmpinfo = &Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
385: $form{'serverid'});
386: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
387: ($tmpinfo eq 'no_such_host')) {
1.121.2.23 raeburn 388: my ($des_key,$firsturl,@rest)=split(/&/,$tmpinfo);
1.121.2.22 raeburn 389: $firsturl = &unescape($firsturl);
390: my %info;
391: foreach my $item (@rest) {
392: my ($key,$value) = split(/=/,$item);
393: $info{$key} = &unescape($value);
394: }
395: if ($firsturl ne '') {
396: $info{'firsturl'} = $firsturl;
397: $dest = $firsturl;
1.121.2.24.2. (raeburn 398:): my $relogin;
399:): if ($dest =~ m{^/tiny/$match_domain/\w+$}) {
400:): if ($env{'request.course.id'}) {
401:): my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
402:): my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
403:): my $symb = &Apache::loncommon::symb_from_tinyurl($dest,$cnum,$cdom);
404:): if ($symb) {
405:): unless (&set_deeplink_login(%info) eq 'ok') {
406:): $relogin = 1;
407:): }
408:): }
409:): }
410:): if ($relogin) {
411:): $r->print(
412:): $start_page
413:): .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
414:): .'<p>'.&mt('Please [_1]log out[_2] first, and then try your access again',
415:): '<a href="/adm/logout">','</a>')
416:): .'</p>'
417:): .$end_page);
418:): } else {
419:): if (($info{'linkprot'}) || ($info{'linkkey'} ne '')) {
420:): if (($info{'linkprot'}) && ($info{'linkprotuser'} ne '')) {
421:): unless ($info{'linkprotuser'} eq $env{'user.name'}.':'.$env{'user.domain'}) {
422:): $r->print(
423:): $start_page
424:): .'<p class="LC_warning">'.&mt('You are already logged in, but as a different user from the one expected for the link you followed from another system').'</p>'
425:): .'<p>'.&mt('Please [_1]log out[_2] first, and then try following the link again from the other system',
426:): '<a href="/adm/logout">','</a>')
427:):
428:): .'</p>'
429:): .$end_page);
430:): return OK;
431:): }
432:): }
433:): my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
434:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
435:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
436:): $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
437:): }
438:): }
439:): $r->print(
440:): $start_page
441:): .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
442:): .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4] first, and then try your access again',
443:): '<a href="'.$dest.'">','</a>',
444:): '<a href="/adm/logout">','</a>')
445:): .'</p>'
446:): .$end_page);
447:): }
448:): return OK;
449:): }
1.121.2.22 raeburn 450: }
451: }
1.105 raeburn 452: }
1.103 raeburn 453: $r->print(
454: $start_page
1.121.2.4 raeburn 455: .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
1.103 raeburn 456: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
1.105 raeburn 457: ,'<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>')
1.103 raeburn 458: .'</p>'
459: .$end_page
460: );
461: return OK;
462: }
1.59 www 463: }
464:
465: # ---------------------------------------------------- No valid token, continue
466:
1.121.2.22 raeburn 467: my %form = &get_form_items($r);
1.85 albertel 468: if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
469: &failed($r,'Username, password and domain need to be specified.',
470: \%form);
1.1 albertel 471: return OK;
472: }
1.61 www 473:
474: # split user logging in and "su"-user
475:
1.121.2.17 raeburn 476: ($form{'uname'},$form{'suname'},$form{'sudom'})=split(/\:/,$form{'uname'});
1.87 albertel 477: $form{'uname'} = &LONCAPA::clean_username($form{'uname'});
478: $form{'suname'}= &LONCAPA::clean_username($form{'suname'});
1.121.2.17 raeburn 479: $form{'udom'} = &LONCAPA::clean_domain($form{'udom'});
480: $form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'});
1.1 albertel 481:
482: my $role = $r->dir_config('lonRole');
483: my $domain = $r->dir_config('lonDefDomain');
484: my $prodir = $r->dir_config('lonUsersDir');
1.93 raeburn 485: my $contact_name = &mt('LON-CAPA helpdesk');
1.1 albertel 486:
1.8 www 487: # ---------------------------------------- Get the information from login token
488:
1.85 albertel 489: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
490: $form{'serverid'});
1.121.2.7 raeburn 491:
1.114 raeburn 492: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
493: ($tmpinfo eq 'no_such_host')) {
1.85 albertel 494: &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
1.8 www 495: return OK;
1.44 www 496: } else {
1.85 albertel 497: my $reply = &Apache::lonnet::reply('tmpdel:'.$form{'logtoken'},
498: $form{'serverid'});
1.77 albertel 499: if ( $reply ne 'ok' ) {
1.85 albertel 500: &failed($r,'Session could not be opened.',\%form);
501: &Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $form{'serverid'}." to get login token");
1.77 albertel 502: return OK;
1.44 www 503: }
1.8 www 504: }
1.100 raeburn 505:
1.93 raeburn 506: if (!&Apache::lonnet::domain($form{'udom'})) {
507: &failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
508: return OK;
509: }
1.100 raeburn 510:
1.121.2.22 raeburn 511: my ($des_key,$firsturl,@rest)=split(/&/,$tmpinfo);
512: $firsturl = &unescape($firsturl);
513: foreach my $item (@rest) {
514: my ($key,$value) = split(/=/,$item);
515: $form{$key} = &unescape($value);
1.100 raeburn 516: }
1.121.2.24.2. (raeburn 517:): if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) {
518:): $form{'firsturl'} = $firsturl;
519:): }
1.121.2.23 raeburn 520: my $upass = &Apache::loncommon::des_decrypt($des_key,$form{'upass0'});
1.8 www 521:
1.1 albertel 522: # ---------------------------------------------------------------- Authenticate
1.119 raeburn 523:
1.90 raeburn 524: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
1.119 raeburn 525: my ($cancreate,$statustocreate) =
526: &Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'});
527: my $defaultauth;
528: if (ref($cancreate) eq 'ARRAY') {
529: if (grep(/^login$/,@{$cancreate})) {
530: $defaultauth = 1;
1.90 raeburn 531: }
532: }
1.105 raeburn 533: my $clientcancheckhost = 1;
1.90 raeburn 534: my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass,
1.105 raeburn 535: $form{'udom'},$defaultauth,
536: $clientcancheckhost);
1.1 albertel 537:
538: # --------------------------------------------------------------------- Failed?
539:
540: if ($authhost eq 'no_host') {
1.121.2.24.2. (raeburn 541:): my $pwdverify;
542:): if (&Apache::lonnet::homeserver($form{'uname'},$form{'udom'}) eq 'no_host') {
543:): my %possunames = &alternate_unames_check($form{'uname'},$form{'udom'});
544:): if (keys(%possunames) > 0) {
545:): foreach my $rulematch (keys(%possunames)) {
546:): my $possuname = $possunames{$rulematch};
547:): if (($possuname ne '') && ($possuname =~ /^$match_username$/)) {
548:): $authhost=Apache::lonnet::authenticate($possuname,$upass,
549:): $form{'udom'},undef,
550:): $clientcancheckhost);
551:): if (($authhost eq 'no_host') || ($authhost eq 'no_account_on_host')) {
552:): next;
553:): } elsif (($authhost ne '') && (&Apache::lonnet::hostname($authhost) ne '')) {
554:): $pwdverify = 1;
555:): &Apache::lonnet::logthis("Authenticated user: $possuname was submitted as: $form{'uname'}");
556:): $form{'uname'} = $possuname;
557:): last;
558:): }
559:): }
560:): }
561:): }
562:): }
563:): unless ($pwdverify) {
564:): &failed($r,'Username and/or password could not be authenticated.',
565:): \%form);
566:): return OK;
567:): }
1.90 raeburn 568: } elsif ($authhost eq 'no_account_on_host') {
1.119 raeburn 569: if ($defaultauth) {
1.105 raeburn 570: my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
1.110 raeburn 571: unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) {
572: return OK;
573: }
1.90 raeburn 574: my $start_page =
1.121.2.1 raeburn 575: &Apache::loncommon::start_page('Create a user account in LON-CAPA',
576: '',{'no_inline_link' => 1,});
1.93 raeburn 577: my $lonhost = $r->dir_config('lonHostID');
578: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
579: my $contacts =
580: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
581: $form{'udom'},$origmail);
582: my ($contact_email) = split(',',$contacts);
1.119 raeburn 583: my $output =
584: &Apache::createaccount::username_check($form{'uname'},$form{'udom'},
585: $domdesc,'',$lonhost,
586: $contact_email,$contact_name,
587: undef,$statustocreate);
1.90 raeburn 588: &Apache::loncommon::content_type($r,'text/html');
589: $r->send_http_header;
590: &Apache::createaccount::print_header($r,$start_page);
1.94 raeburn 591: $r->print('<h3>'.&mt('Account creation').'</h3>'.
592: &mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').'<br />'.
593: $output.&Apache::loncommon::end_page());
1.90 raeburn 594: return OK;
595: } else {
596: &failed($r,'Although your username and password were authenticated, you do not currently have a LON-CAPA account in this domain, and you are not permitted to create one.',\%form);
597: return OK;
598: }
1.1 albertel 599: }
600:
1.59 www 601: if (($firsturl eq '') ||
602: ($firsturl=~/^\/adm\/(logout|remote)/)) {
1.24 www 603: $firsturl='/adm/roles';
1.7 www 604: }
1.121.2.6 raeburn 605:
1.121.2.23 raeburn 606: my ($hosthere,%sessiondata);
1.121.2.6 raeburn 607: if ($form{'iptoken'}) {
1.121.2.23 raeburn 608: %sessiondata = &Apache::lonnet::tmpget($form{'iptoken'});
1.121.2.12 raeburn 609: my $delete = &Apache::lonnet::tmpdel($form{'iptoken'});
1.121.2.6 raeburn 610: if (($sessiondata{'domain'} eq $form{'udom'}) &&
611: ($sessiondata{'username'} eq $form{'uname'})) {
612: $hosthere = 1;
613: }
614: }
615:
1.61 www 616: # --------------------------------- Are we attempting to login as somebody else?
1.85 albertel 617: if ($form{'suname'}) {
1.121.2.17 raeburn 618: my ($suname,$sudom,$sudomref);
619: $suname = $form{'suname'};
620: $sudom = $form{'udom'};
621: if ($form{'sudom'}) {
622: unless ($sudom eq $form{'sudom'}) {
623: if (&Apache::lonnet::domain($form{'sudom'})) {
624: $sudomref = [$form{'sudom'}];
625: $sudom = $form{'sudom'};
626: }
627: }
628: }
1.61 www 629: # ------------ see if the original user has enough privileges to pull this stunt
1.121.2.17 raeburn 630: if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'},$sudomref)) {
1.61 www 631: # ---------------------------------------------------- see if the su-user exists
1.121.2.17 raeburn 632: unless (&Apache::lonnet::homeserver($suname,$sudom) eq 'no_host') {
1.61 www 633: # ------------------------------ see if the su-user is not too highly privileged
1.121.2.17 raeburn 634: if (&Apache::lonnet::privileged($suname,$sudom)) {
635: &Apache::lonnet::logthis('Attempted switch user to privileged user');
636: } else {
637: my $noprivswitch;
638: #
639: # su-user's home server and user's home server must have one of:
640: # (a) same domain
641: # (b) same primary library server for the two domains
642: # (c) same "internet domain" for primary library server(s) for home servers' domains
643: #
644: my $suprim = &Apache::lonnet::domain($sudom,'primary');
645: my $suintdom = &Apache::lonnet::internet_dom($suprim);
646: unless ($sudom eq $form{'udom'}) {
647: my $uprim = &Apache::lonnet::domain($form{'udom'},'primary');
648: my $uintdom = &Apache::lonnet::internet_dom($uprim);
649: unless ($suprim eq $uprim) {
650: unless ($suintdom eq $uintdom) {
651: &Apache::lonnet::logthis('Attempted switch user '
652: .'to user with different "internet domain".');
653: $noprivswitch = 1;
654: }
655: }
656: }
657:
658: unless ($noprivswitch) {
659: #
660: # server where log-in occurs must have same "internet domain" as su-user's home
661: # server
662: #
663: my $lonhost = $r->dir_config('lonHostID');
664: my $hostintdom = &Apache::lonnet::internet_dom($lonhost);
665: if ($hostintdom ne $suintdom) {
666: &Apache::lonnet::logthis('Attempted switch user on a '
667: .'server with a different "internet domain".');
668: } else {
669:
1.61 www 670: # -------------------------------------------------------- actually switch users
1.121.2.17 raeburn 671:
672: &Apache::lonnet::logperm('User '.$form{'uname'}.' at '.
673: $form{'udom'}.' logging in as '.$suname.':'.$sudom);
674: $form{'uname'}=$suname;
675: if ($form{'udom'} ne $sudom) {
676: $form{'udom'}=$sudom;
677: }
678: }
679: }
1.61 www 680: }
681: }
682: } else {
683: &Apache::lonnet::logthis('Non-privileged user attempting switch user');
684: }
685: }
1.85 albertel 686:
1.121.2.24.2. (raeburn 687:): if ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
688:): if (($form{'linkprot'}) && ($form{'linkprotuser'} ne '')) {
689:): unless($form{'linkprotuser'} eq $form{'uname'}.':'.$form{'udom'}) {
690:): delete($form{'udom'});
691:): delete($form{'uname'});
692:): &failed($r,'Username and/or domain are different to that expected for the link you followed from another system',
693:): \%form,$authhost);
694:): return OK;
695:): }
696:): }
697:): }
698:):
1.121.2.6 raeburn 699: my ($is_balancer,$otherserver);
700:
701: unless ($hosthere) {
702: ($is_balancer,$otherserver) =
1.121.2.15 raeburn 703: &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'},'login');
704: if ($is_balancer) {
1.121.2.20 raeburn 705: # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
706: my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r);
707: if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) {
708: $otherserver = $found_server;
709: }
1.121.2.15 raeburn 710: if ($otherserver eq '') {
711: my $lowest_load;
712: ($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($form{'udom'});
713: if ($lowest_load > 100) {
1.121.2.22 raeburn 714: $otherserver = &Apache::lonnet::spareserver($r,$lowest_load,$lowest_load,1,$form{'udom'});
1.121.2.15 raeburn 715: }
716: }
717: if ($otherserver ne '') {
718: my @hosts = &Apache::lonnet::current_machine_ids();
719: if (grep(/^\Q$otherserver\E$/,@hosts)) {
720: $hosthere = $otherserver;
721: }
722: }
723: }
1.121.2.6 raeburn 724: }
1.117 raeburn 725:
1.121.2.15 raeburn 726: if (($is_balancer) && (!$hosthere)) {
1.115 raeburn 727: if ($otherserver) {
728: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
729: \%form);
1.121.2.8 raeburn 730: my $switchto = '/adm/switchserver?otherserver='.$otherserver;
731: if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
732: $switchto .= '&origurl='.$firsturl;
733: }
734: if ($form{'role'}) {
735: $switchto .= '&role='.$form{'role'};
736: }
737: if ($form{'symb'}) {
738: $switchto .= '&symb='.$form{'symb'};
739: }
1.121.2.24.2. (raeburn 740:): if ($form{'linkprot'}) {
741:): $env{'request.linkprot'} = $form{'linkprot'};
742:): foreach my $item ('linkprotuser','linkprotexit') {
743:): if ($form{$item}) {
744:): $env{'request.'.$item} = $form{$item};
745:): }
746:): }
747:): } elsif ($form{'linkkey'} ne '') {
748:): $env{'request.linkkey'} = $form{'linkkey'};
749:): }
750:): if ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
751:): &set_deeplink_login(%form);
752:): }
1.121.2.8 raeburn 753: $r->internal_redirect($switchto);
1.115 raeburn 754: } else {
1.121.2.20 raeburn 755: &Apache::loncommon::content_type($r,'text/html');
756: $r->send_http_header;
1.115 raeburn 757: $r->print(&noswitch());
758: }
1.110 raeburn 759: return OK;
1.81 albertel 760: } else {
1.115 raeburn 761: if (!&check_can_host($r,\%form,$authhost)) {
1.118 raeburn 762: my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
1.115 raeburn 763: if ($otherserver) {
764: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
765: \%form);
1.121.2.8 raeburn 766: my $switchto = '/adm/switchserver?otherserver='.$otherserver;
767: if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
768: $switchto .= '&origurl='.$firsturl;
769: }
770: if ($form{'role'}) {
771: $switchto .= '&role='.$form{'role'};
772: }
773: if ($form{'symb'}) {
774: $switchto .= '&symb='.$form{'symb'};
775: }
1.121.2.24.2. (raeburn 776:): if ($form{'linkprot'}) {
777:): $env{'request.linkprot'} = $form{'linkprot'};
778:): foreach my $item ('linkprotuser','linkprotexit') {
779:): if ($form{$item}) {
780:): $env{'request.'.$item} = $form{$item};
781:): }
782:): }
783:): } elsif ($form{'linkkey'} ne '') {
784:): $env{'request.linkkey'} = $form{'linkkey'};
785:): }
786:): if ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
787:): &set_deeplink_login(%form);
788:): }
1.121.2.8 raeburn 789: $r->internal_redirect($switchto);
1.115 raeburn 790: } else {
1.121.2.20 raeburn 791: &Apache::loncommon::content_type($r,'text/html');
792: $r->send_http_header;
1.115 raeburn 793: $r->print(&noswitch());
794: }
795: return OK;
796: }
797:
1.109 raeburn 798: # ------------------------------------------------------- Do the load balancing
799:
800: # ---------------------------------------------------------- Determine own load
801: my $loadlim = $r->dir_config('lonLoadLim');
802: my $loadavg;
803: {
804: my $loadfile=Apache::File->new('/proc/loadavg');
805: $loadavg=<$loadfile>;
806: }
807: $loadavg =~ s/\s.*//g;
808: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
809: my $userloadpercent=&Apache::lonnet::userload();
810:
811: # ---------------------------------------------------------- Are we overloaded?
812: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
1.121.2.22 raeburn 813: my $unloaded=Apache::lonnet::spareserver($r,$loadpercent,$userloadpercent,1,$form{'udom'});
1.115 raeburn 814: if (!$unloaded) {
1.118 raeburn 815: ($unloaded) = &Apache::lonnet::choose_server($form{'udom'});
1.115 raeburn 816: }
1.109 raeburn 817: if ($unloaded) {
818: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',
819: undef,\%form);
1.121.2.24.2. (raeburn 820:): if ($form{'linkprot'}) {
821:): $env{'request.linkprot'} = $form{'linkprot'};
822:): } elsif ($form{'linkkey'} ne '') {
823:): $env{'request.linkkey'} = $form{'linkkey'};
824:): }
825:): if ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
826:): &set_deeplink_login(%form);
827:): }
1.109 raeburn 828: $r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl);
1.110 raeburn 829: return OK;
1.109 raeburn 830: }
831: }
1.121.2.15 raeburn 832: if (($is_balancer) && ($hosthere)) {
833: $form{'noloadbalance'} = $hosthere;
834: }
1.121.2.22 raeburn 835: my $extra_env;
836: if (($hosthere) && ($sessiondata{'sessionserver'} ne '')) {
837: if ($sessiondata{'origurl'} ne '') {
838: $firsturl = $sessiondata{'origurl'};
839: $form{'firsturl'} = $sessiondata{'origurl'};
840: my @names = ('role','symb','linkprot','linkkey');
841: foreach my $item (@names) {
842: if ($sessiondata{$item} ne '') {
843: $form{$item} = $sessiondata{$item};
844: }
845: }
846: }
847: }
1.121.2.24.2. (raeburn 848:): if ($form{'linkprot'}) {
849:): my ($linkprotector,$uri) = split(/:/,$form{'linkprot'},2);
850:): if ($linkprotector) {
851:): $extra_env = {'user.linkprotector' => $linkprotector,
852:): 'user.linkproturi' => $uri};
853:): }
854:): } elsif ($form{'linkkey'} ne '') {
855:): $extra_env = {'user.deeplinkkey' => $form{'linkkey'},
856:): 'user.keyedlinkuri' => $form{'firsturl'}};
857:): }
858:): if ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
859:): &set_deeplink_login(%form);
860:): if ($form{'linkprot'}) {
861:): if (ref($extra_env) eq 'HASH') {
862:): %{$extra_env} = ( %{$extra_env}, 'request.linkprot' => $form{'linkprot'} );
863:): } else {
864:): $extra_env = {'request.linkprot' => $form{'linkprot'}};
865:): }
866:): if ($form{'linkprotexit'}) {
867:): $extra_env->{'request.linkprotexit'} = $form{'linkprotexit'};
868:): }
869:): } elsif ($form{'linkkey'} ne '') {
870:): if (ref($extra_env) eq 'HASH') {
871:): %{$extra_env} = ( %{$extra_env}, 'request.linkkey' => $form{'linkkey'} );
872:): } else {
873:): $extra_env = {'request.linkkey' => $form{'linkkey'}};
874:): }
875:): }
876:): if ($env{'request.deeplink.login'}) {
877:): if (ref($extra_env) eq 'HASH') {
878:): %{$extra_env} = ( %{$extra_env}, 'request.deeplink.login' => $form{'firsturl'} );
879:): } else {
880:): $extra_env = {'request.deeplink.login' => $form{'firsturl'}};
881:): }
882:): }
883:): }
884:): &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,$extra_env,
1.109 raeburn 885: \%form);
1.110 raeburn 886: return OK;
1.81 albertel 887: }
1.1 albertel 888: }
889:
1.121.2.22 raeburn 890: sub get_form_items {
891: my ($r) = @_;
892: my $buffer;
893: if ($r->header_in('Content-length') > 0) {
894: $r->read($buffer,$r->header_in('Content-length'),0);
895: }
896: my %form;
897: foreach my $pair (split(/&/,$buffer)) {
898: my ($name,$value) = split(/=/,$pair);
899: $value =~ tr/+/ /;
900: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
901: $form{$name}=$value;
902: }
903: return %form;
904: }
905:
1.121.2.24.2. (raeburn 906:): sub set_deeplink_login {
907:): my (%form) = @_;
908:): my $disallow;
909:): if ($form{'firsturl'} =~ m{^/tiny/($match_domain)/\w+$}) {
910:): my $cdom = $1;
911:): my ($cnum,$symb) = &Apache::loncommon::symb_from_tinyurl($form{'firsturl'},'',$cdom);
912:): if ($symb) {
913:): if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
914:): my $deeplink;
915:): if ($symb =~ /\.(page|sequence)$/) {
916:): my $mapname = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($symb))[2]);
917:): my $navmap = Apache::lonnavmaps::navmap->new();
918:): if (ref($navmap)) {
919:): $deeplink = $navmap->get_mapparam(undef,$mapname,'0.deeplink');
920:): }
921:): } else {
922:): $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$symb);
923:): }
924:): if ($deeplink ne '') {
925:): my ($state,$others,$listed,$scope,$protect) = split(/,/,$deeplink);
926:): if (($protect ne 'none') && ($protect ne '')) {
927:): my ($acctype,$item) = split(/:/,$protect);
928:): if ($acctype =~ /lti(c|d)$/) {
929:): unless ($form{'linkprot'} eq $item.$1.':'.$env{'request.deeplink.login'}) {
930:): $disallow = 1;
931:): }
932:): } elsif ($acctype eq 'key') {
933:): unless ($form{'linkkey'} eq $item) {
934:): $disallow = 1;
935:): }
936:): }
937:): }
938:): }
939:): unless ($disallow) {
940:): $env{'request.deeplink.login'} = $form{'firsturl'};
941:): }
942:): } else {
943:): $env{'request.deeplink.login'} = $form{'firsturl'};
944:): }
945:): }
946:): }
947:): if ($disallow) {
948:): return;
949:): }
950:): return 'ok';
951:): }
952:):
1.121.2.22 raeburn 953: sub set_retry_token {
954: my ($form,$lonhost,$querystr) = @_;
955: if (ref($form) eq 'HASH') {
956: my ($firsturl,$token,$extras,@names);
1.121.2.24.2. (raeburn 957:): @names = ('role','symb','linkprotuser','linkprotexit','linkprot','linkkey','iptoken');
1.121.2.22 raeburn 958: foreach my $name (@names) {
959: if ($form->{$name} ne '') {
960: $extras .= '&'.$name.'='.&escape($form->{$name});
961: last if ($name eq 'linkprot');
962: }
963: }
964: my $firsturl = $form->{'firsturl'};
965: if (($firsturl ne '') || ($extras ne '')) {
966: $extras .= ':retry';
967: $token = &Apache::lonnet::reply('tmpput:'.&escape($firsturl).
968: $extras,$lonhost);
969: if (($token eq 'con_lost') || ($token eq 'no_such_host')) {
970: return 'fail';
971: } else {
972: if (ref($querystr)) {
973: $$querystr = 'retry='.$token;
974: }
975: return 'ok';
976: }
977: }
978: }
979: return;
980: }
981:
1.105 raeburn 982: sub check_can_host {
983: my ($r,$form,$authhost,$domdesc) = @_;
984: return unless (ref($form) eq 'HASH');
985: my $canhost = 1;
1.106 raeburn 986: my $lonhost = $r->dir_config('lonHostID');
1.105 raeburn 987: my $udom = $form->{'udom'};
1.108 raeburn 988: my @intdoms;
989: my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
990: if (ref($internet_names) eq 'ARRAY') {
991: @intdoms = @{$internet_names};
992: }
1.106 raeburn 993: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
994: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
995: unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
996: my $machine_dom = &Apache::lonnet::host_domain($lonhost);
997: my $hostname = &Apache::lonnet::hostname($lonhost);
998: my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
999: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
1000: my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
1.105 raeburn 1001: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
1002: my $loncaparev;
1003: if ($authhost eq 'no_account_on_host') {
1.106 raeburn 1004: $loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom);
1.105 raeburn 1005: } else {
1.106 raeburn 1006: $loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom,$lonhost);
1.105 raeburn 1007: }
1.106 raeburn 1008: $canhost = &Apache::lonnet::can_host_session($udom,$lonhost,$loncaparev,
1009: $udomdefaults{'remotesessions'},
1010: $defdomdefaults{'hostedsessions'});
1.105 raeburn 1011: }
1012: unless ($canhost) {
1013: if ($authhost eq 'no_account_on_host') {
1.115 raeburn 1014: my $checkloginvia = 1;
1015: my ($login_host,$hostname) =
1016: &Apache::lonnet::choose_server($udom,$checkloginvia);
1.105 raeburn 1017: &Apache::loncommon::content_type($r,'text/html');
1018: $r->send_http_header;
1019: if ($login_host ne '') {
1020: my $protocol = $Apache::lonnet::protocol{$login_host};
1021: $protocol = 'http' if ($protocol ne 'https');
1.121.2.22 raeburn 1022: my $alias = &Apache::lonnet::use_proxy_alias($r,$login_host);
1023: $hostname = $alias if ($alias ne '');
1.105 raeburn 1024: my $newurl = $protocol.'://'.$hostname.'/adm/createaccount';
1.121.2.24.2. (raeburn 1025:): #FIXME Should preserve where user was going and linkprot by setting ltoken at $login_host
1.105 raeburn 1026: $r->print(&Apache::loncommon::start_page('Create a user account in LON-CAPA').
1027: '<h3>'.&mt('Account creation').'</h3>'.
1028: &mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
1029: '<p>'.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'</p>'.
1030: '<p>'.&mt('[_1]Log in[_2]','<a href="'.$newurl.'">','</a>').
1031: &Apache::loncommon::end_page());
1032: } else {
1033: $r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable').
1034: '<h3>'.&mt('Account creation unavailable').'</h3>'.
1035: &mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
1036: '<p>'.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'</p>'.
1037: &Apache::loncommon::end_page());
1038: }
1039: } else {
1040: &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
1041: $form);
1.121.2.24.2. (raeburn 1042:): if ($form->{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
1043:): $env{'request.deeplink.login'} = $form->{'firsturl'};
1044:): }
1045:): if ($form->{'linkprot'}) {
1046:): $env{'request.linkprot'} = $form->{'linkprot'};
1047:): } elsif ($form->{'linkkey'} ne '') {
1048:): $env{'request.linkkey'} = $form->{'linkkey'};
1049:): }
1.107 raeburn 1050: my ($otherserver) = &Apache::lonnet::choose_server($udom);
1.105 raeburn 1051: $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
1052: }
1053: }
1.110 raeburn 1054: return $canhost;
1.105 raeburn 1055: }
1056:
1.115 raeburn 1057: sub noswitch {
1058: my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
1059: '<h3>'.&mt('Session unavailable').'</h3>'.
1060: &mt('This LON-CAPA server is unable to host your session.').'<br />'.
1061: '<p>'.&mt('Currently no other LON-CAPA server is available to host your session either.').'</p>'.
1062: &Apache::loncommon::end_page();
1063: return $result;
1064: }
1065:
1.121.2.2 raeburn 1066: sub loginhelpdisplay {
1067: my ($authdomain) = @_;
1068: my $login_help = 1;
1069: my $lang = &Apache::lonlocal::current_language();
1070: if ($login_help) {
1071: my $dom = $authdomain;
1072: if ($dom eq '') {
1073: $dom = &Apache::lonnet::default_login_domain();
1074: }
1075: my %domconfhash = &Apache::loncommon::get_domainconf($dom);
1076: my $loginhelp_url;
1077: if ($lang) {
1078: $loginhelp_url = $domconfhash{$dom.'.login.helpurl_'.$lang};
1079: if ($loginhelp_url ne '') {
1080: return $loginhelp_url;
1081: }
1082: }
1083: $loginhelp_url = $domconfhash{$dom.'.login.helpurl_nolang'};
1084: if ($loginhelp_url ne '') {
1085: return $loginhelp_url;
1086: } else {
1087: return '/adm/loginproblems.html';
1088: }
1089: }
1090: return;
1091: }
1092:
1.121.2.24.2. (raeburn 1093:): sub alternate_unames_check {
1094:): my ($uname,$udom) = @_;
1095:): my %possunames;
1096:): my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
1097:): if (ref($domdefs{'unamemap_rule'}) eq 'ARRAY') {
1098:): if (@{$domdefs{'unamemap_rule'}} > 0) {
1099:): %possunames =
1100:): &Apache::lonnet::inst_rulecheck($udom,$uname,undef,
1101:): 'unamemap',$domdefs{'unamemap_rule'});
1102:): }
1103:): }
1104:): return %possunames;
1105:): }
1106:):
1.1 albertel 1107: 1;
1108: __END__
1.7 www 1109:
1110:
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