Annotation of loncom/auth/lonauth.pm, revision 1.101.8.9.2.2
1.1 albertel 1: # The LearningOnline Network
2: # User Authentication Module
1.27 www 3: #
1.101.8.9.2.2! (raeburn 4:: # $Id: lonauth.pm,v 1.101.8.9.2.1 2012/02/06 03:27:59 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;
1.78 albertel 32: use LONCAPA;
1.1 albertel 33: use Apache::Constants qw(:common);
34: use CGI qw(:standard);
1.26 harris41 35: use DynaLoader; # for Crypt::DES version
1.8 www 36: use Crypt::DES;
1.45 matthew 37: use Apache::loncommon();
1.66 albertel 38: use Apache::lonnet;
1.12 www 39: use Apache::lonmenu();
1.90 raeburn 40: use Apache::createaccount;
1.18 albertel 41: use Fcntl qw(:flock);
1.56 www 42: use Apache::lonlocal;
1.101.8.8 raeburn 43: use Apache::File();
1.101 raeburn 44: use HTML::Entities;
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,
49: $form) = @_;
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 $cookie; }
1.78 albertel 60:
1.7 www 61: # -------------------------------------------------------------------- Log this
62:
63: &Apache::lonnet::log($domain,$username,$authhost,
64: "Login $ENV{'REMOTE_ADDR'}");
1.4 www 65:
1.14 www 66: # ------------------------------------------------- Check for critical messages
67:
1.21 www 68: my @what=&Apache::lonnet::dump('critical',$domain,$username);
1.14 www 69: if ($what[0]) {
1.22 www 70: if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
1.21 www 71: $lowerurl='/adm/email?critical=display';
1.14 www 72: }
73: }
74:
1.5 www 75: # ------------------------------------------------------------ Get cookie ready
1.1 albertel 76: $cookie="lonID=$cookie; path=/";
1.12 www 77: # -------------------------------------------------------- Menu script and info
1.100 raeburn 78: my $destination = $lowerurl;
79:
80: if (defined($form->{role})) {
81: my $envkey = 'user.role.'.$form->{role};
82: my $now=time;
83: my $then=$env{'user.login.time'};
84: my $refresh=$env{'user.refresh.time'};
1.101.8.9.2.2! (raeburn 85:: my $update=$env{'user.update.time'};
! 86:: if (!$update) {
! 87:: $update = $then;
! 88:: }
1.100 raeburn 89: if (exists($env{$envkey})) {
90: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
1.101.8.9.2.2! (raeburn 91:: &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
1.100 raeburn 92: \$trolecode,\$tstatus,\$tstart,\$tend);
93: if ($tstatus eq 'is') {
1.101 raeburn 94: $destination .= ($destination =~ /\?/) ? '&' : '?';
95: my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
96: $destination .= 'selectrole=1&'.$newrole.'=1';
1.100 raeburn 97: }
98: }
99: }
1.101 raeburn 100: if (defined($form->{symb})) {
101: my $destsymb = $form->{symb};
102: $destination .= ($destination =~ /\?/) ? '&' : '?';
103: if ($destsymb =~ /___/) {
104: # FIXME Need to deal with encrypted symbs and urls as needed.
105: my ($map,$resid,$desturl)=split(/___/,$destsymb);
106: unless ($desturl=~/^(adm|uploaded|editupload|public)/) {
107: $desturl = &Apache::lonnet::clutter($desturl);
108: }
109: $desturl = &HTML::Entities::encode($desturl,'"<>&');
110: $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
111: $destination .= '&destinationurl='.$desturl.
112: '&destsymb='.$destsymb;
113: } else {
114: $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
115: $destination .= '&destinationurl='.$destsymb;
116: }
117: }
1.101.8.9.2.2! (raeburn 118:: if ($destination =~ m{^/adm/roles}) {
! 119:: $destination .= ($destination =~ /\?/) ? '&' : '?';
! 120:: $destination .= 'source=login';
! 121:: }
1.100 raeburn 122:
1.85 albertel 123: my $windowinfo=&Apache::lonmenu::open($env{'browser.os'});
1.100 raeburn 124: my $startupremote=&Apache::lonmenu::startupremote($destination);
1.63 albertel 125: my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl);
1.35 www 126: my $setflags=&Apache::lonmenu::setflags();
127: my $maincall=&Apache::lonmenu::maincall();
1.99 bisitz 128: my $brcrum = [{'href' => '',
129: 'text' => 'Successful Login'},];
1.74 albertel 130: my $start_page=&Apache::loncommon::start_page('Successful Login',
1.99 bisitz 131: $startupremote,
132: {'no_inline_link' => 1,
133: 'bread_crumbs' => $brcrum,});
1.74 albertel 134: my $end_page =&Apache::loncommon::end_page();
135:
1.64 albertel 136: my $continuelink;
1.98 www 137: if ($env{'environment.remote'} eq 'off') {
1.100 raeburn 138: $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
1.64 albertel 139: }
1.5 www 140: # ------------------------------------------------- Output for successful login
141:
1.74 albertel 142: &Apache::loncommon::content_type($r,'text/html');
143: $r->header_out('Set-cookie' => $cookie);
144: $r->send_http_header;
1.1 albertel 145:
1.58 www 146: my %lt=&Apache::lonlocal::texthash(
147: 'wel' => 'Welcome',
1.92 bisitz 148: 'pro' => 'Login problems?',
1.58 www 149: 'log' => 'loginproblems.html',
150: );
1.101.8.9 raeburn 151: my $welcome = &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','<i>','</i>');
1.1 albertel 152: $r->print(<<ENDSUCCESS);
1.74 albertel 153: $start_page
1.35 www 154: $setflags
1.19 www 155: $windowinfo
1.58 www 156: <h1>$lt{'wel'}</h1>
1.101.8.9 raeburn 157: $welcome<p>
1.92 bisitz 158: <a href="/adm/$lt{'log'}">$lt{'pro'}</a></p>
1.63 albertel 159: $remoteinfo
1.35 www 160: $maincall
1.64 albertel 161: $continuelink
1.74 albertel 162: $end_page
1.1 albertel 163: ENDSUCCESS
164: }
165:
166: # --------------------------------------------------------------- Failed login!
167:
168: sub failed {
1.85 albertel 169: my ($r,$message,$form) = @_;
1.76 albertel 170: my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,
171: {'no_inline_link' => 1,});
1.100 raeburn 172: my $retry = '/adm/login?username='.$form->{'uname'}.
173: '&domain='.$form->{'udom'};
174: if (exists($form->{role})) {
175: $retry .= '&role='.$form->{role};
176: }
177: if (exists($form->{symb})) {
178: $retry .= '&symb='.$form->{symb};
179: }
1.74 albertel 180: my $end_page = &Apache::loncommon::end_page();
181: &Apache::loncommon::content_type($r,'text/html');
182: $r->send_http_header;
1.92 bisitz 183: $r->print(
184: $start_page
185: .'<h1>'.&mt('Sorry ...').'</h1>'
1.95 bisitz 186: .'<p class="LC_warning">'.&mt($message).'</p>'
1.100 raeburn 187: .'<p>'.&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>')
1.92 bisitz 188: .'</p>'
189: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
190: .$end_page
191: );
192: }
1.60 www 193:
1.55 www 194: # ------------------------------------------------------------------ Rerouting!
195:
196: sub reroute {
1.74 albertel 197: my ($r) = @_;
198: &Apache::loncommon::content_type($r,'text/html');
199: $r->send_http_header;
1.92 bisitz 200: my $msg='<h1>'.&mt('Sorry ...').'</h1>'
201: .&mt('Please [_1]log in again[_2].');
1.74 albertel 202: &Apache::loncommon::simple_error_page($r,'Rerouting',$msg);
1.55 www 203: }
204:
1.1 albertel 205: # ---------------------------------------------------------------- Main handler
206:
207: sub handler {
208: my $r = shift;
1.85 albertel 209: my $form;
1.55 www 210: # Are we re-routing?
211: if (-e '/home/httpd/html/lon-status/reroute.txt') {
212: &reroute($r);
213: return OK;
214: }
1.56 www 215:
1.57 www 216: &Apache::lonlocal::get_language_handle($r);
1.1 albertel 217:
1.59 www 218: # -------------------------------- Prevent users from attempting to login twice
1.89 albertel 219: my $handle = &Apache::lonnet::check_for_valid_session($r);
220: if ($handle ne '') {
1.101.8.1 raeburn 221: my $lonidsdir=$r->dir_config('lonIDsDir');
222: if ($handle=~/^publicuser\_/) {
223: # For "public user" - remove it, we apparently really want to login
224: unlink($r->dir_config('lonIDsDir')."/$handle.id");
225: } else {
1.59 www 226: # Indeed, a valid token is found
1.101.8.1 raeburn 227: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
228: &Apache::loncommon::content_type($r,'text/html');
229: $r->send_http_header;
230: my $start_page =
231: &Apache::loncommon::start_page('Already logged in');
232: my $end_page =
233: &Apache::loncommon::end_page();
234: my $dest = '/adm/roles';
235: if ($env{'form.firsturl'} ne '') {
236: $dest = $env{'form.firsturl'};
237: }
238: $r->print(
239: $start_page
240: .'<h1>'.&mt('You are already logged in!').'</h1>'
241: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
242: ,'<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>')
243: .'</p>'
244: .$end_page
245: );
246: return OK;
247: }
1.59 www 248: }
249:
250: # ---------------------------------------------------- No valid token, continue
251:
252:
1.1 albertel 253: my $buffer;
1.84 albertel 254: if ($r->header_in('Content-length') > 0) {
255: $r->read($buffer,$r->header_in('Content-length'),0);
256: }
1.85 albertel 257: my %form;
258: foreach my $pair (split(/&/,$buffer)) {
259: my ($name,$value) = split(/=/,$pair);
1.7 www 260: $value =~ tr/+/ /;
261: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.85 albertel 262: $form{$name}=$value;
1.1 albertel 263: }
264:
1.85 albertel 265: if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
266: &failed($r,'Username, password and domain need to be specified.',
267: \%form);
1.1 albertel 268: return OK;
269: }
1.61 www 270:
271: # split user logging in and "su"-user
272:
1.85 albertel 273: ($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'});
1.87 albertel 274: $form{'uname'} = &LONCAPA::clean_username($form{'uname'});
275: $form{'suname'}= &LONCAPA::clean_username($form{'suname'});
276: $form{'udom'} = &LONCAPA::clean_domain( $form{'udom'});
1.1 albertel 277:
278: my $role = $r->dir_config('lonRole');
279: my $domain = $r->dir_config('lonDefDomain');
280: my $prodir = $r->dir_config('lonUsersDir');
1.93 raeburn 281: my $contact_name = &mt('LON-CAPA helpdesk');
1.1 albertel 282:
1.8 www 283: # ---------------------------------------- Get the information from login token
284:
1.85 albertel 285: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
286: $form{'serverid'});
1.8 www 287:
1.101.8.7 raeburn 288: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
289: ($tmpinfo eq 'no_such_host')) {
1.85 albertel 290: &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
1.8 www 291: return OK;
1.44 www 292: } else {
1.85 albertel 293: my $reply = &Apache::lonnet::reply('tmpdel:'.$form{'logtoken'},
294: $form{'serverid'});
1.77 albertel 295: if ( $reply ne 'ok' ) {
1.85 albertel 296: &failed($r,'Session could not be opened.',\%form);
297: &Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $form{'serverid'}." to get login token");
1.77 albertel 298: return OK;
1.44 www 299: }
1.8 www 300: }
1.100 raeburn 301:
1.93 raeburn 302: if (!&Apache::lonnet::domain($form{'udom'})) {
303: &failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
304: return OK;
305: }
1.100 raeburn 306:
307: my ($key,$firsturl,$rolestr,$symbstr)=split(/&/,$tmpinfo);
308: if ($rolestr) {
309: $rolestr = &unescape($rolestr);
310: }
311: if ($symbstr) {
312: $symbstr= &unescape($symbstr);
313: }
314: if ($rolestr =~ /^role=/) {
315: (undef,$form{'role'}) = split('=',$rolestr);
316: }
317: if ($symbstr =~ /^symb=/) {
318: (undef,$form{'symb'}) = split('=',$symbstr);
319: }
1.8 www 320:
321: my $keybin=pack("H16",$key);
322:
1.26 harris41 323: my $cipher;
324: if ($Crypt::DES::VERSION>=2.03) {
325: $cipher=new Crypt::DES $keybin;
326: }
327: else {
328: $cipher=new DES $keybin;
329: }
1.67 www 330: my $upass='';
331: for (my $i=0;$i<=2;$i++) {
332: my $chunk=
1.85 albertel 333: $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},0,16))));
1.8 www 334:
1.67 www 335: $chunk.=
1.85 albertel 336: $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16))));
1.8 www 337:
1.67 www 338: $chunk=substr($chunk,1,ord(substr($chunk,0,1)));
339: $upass.=$chunk;
340: }
1.8 www 341:
1.1 albertel 342: # ---------------------------------------------------------------- Authenticate
1.101.8.8 raeburn 343:
1.90 raeburn 344: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
1.101.8.9.2.2! (raeburn 345:: my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
1.101.8.8 raeburn 346: my ($cancreate,$statustocreate) =
347: &Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'});
1.90 raeburn 348: my $defaultauth;
1.101.8.8 raeburn 349: if (ref($cancreate) eq 'ARRAY') {
350: if (grep(/^login$/,@{$cancreate})) {
351: $defaultauth = 1;
352: }
1.90 raeburn 353: }
1.101.8.2 raeburn 354: my $clientcancheckhost = 1;
1.101.8.9.2.1 (raeburn 355:: my $uname = $form{'uname'};
356:: my $authhost=Apache::lonnet::authenticate($uname,$upass,
1.101.8.2 raeburn 357: $form{'udom'},$defaultauth,
358: $clientcancheckhost);
1.1 albertel 359:
360: # --------------------------------------------------------------------- Failed?
361:
362: if ($authhost eq 'no_host') {
1.101.8.9.2.1 (raeburn 363:: my $lc_uname = lc($uname);
364:: if ($uname eq $lc_uname) {
365:: &failed($r,'Username and/or password could not be authenticated.',
366:: \%form);
1.90 raeburn 367: return OK;
368: } else {
1.101.8.9.2.1 (raeburn 369:: $authhost=Apache::lonnet::authenticate($lc_uname,$upass,
370:: $form{'udom'},$defaultauth);
371:: if ($authhost eq 'no_host') {
372:: &failed($r,'Username (in lower case) and/or password could not be authenticated.',
373:: \%form);
374:: return OK;
375:: } elsif ($authhost eq 'no_account_on_host') {
1.101.8.9.2.2! (raeburn 376:: &create_account($r,\%form,$cancreate,$lc_uname,$contact_name,$domdesc);
1.101.8.9.2.1 (raeburn 377:: return OK;
378:: } else {
379:: $form{'uname'} = $lc_uname;
380:: }
1.90 raeburn 381: }
1.101.8.9.2.1 (raeburn 382:: } elsif ($authhost eq 'no_account_on_host') {
1.101.8.9.2.2! (raeburn 383:: &create_account($r,\%form,$cancreate,$uname,$contact_name,$domdesc);
1.101.8.9.2.1 (raeburn 384:: return OK;
1.1 albertel 385: }
386:
1.59 www 387: if (($firsturl eq '') ||
388: ($firsturl=~/^\/adm\/(logout|remote)/)) {
1.24 www 389: $firsturl='/adm/roles';
1.7 www 390: }
1.61 www 391: # --------------------------------- Are we attempting to login as somebody else?
1.85 albertel 392: if ($form{'suname'}) {
1.61 www 393: # ------------ see if the original user has enough privileges to pull this stunt
1.85 albertel 394: if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) {
1.61 www 395: # ---------------------------------------------------- see if the su-user exists
1.85 albertel 396: unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})
1.61 www 397: eq 'no_host') {
1.85 albertel 398: &Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}));
1.61 www 399: # ------------------------------ see if the su-user is not too highly privileged
1.85 albertel 400: unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) {
1.61 www 401: # -------------------------------------------------------- actually switch users
1.85 albertel 402: &Apache::lonnet::logperm('User '.$form{'uname'}.' at '.$form{'udom'}.
403: ' logging in as '.$form{'suname'});
404: $form{'uname'}=$form{'suname'};
1.61 www 405: } else {
406: &Apache::lonnet::logthis('Attempted switch user to privileged user');
407: }
408: }
409: } else {
410: &Apache::lonnet::logthis('Non-privileged user attempting switch user');
411: }
412: }
1.85 albertel 413:
1.81 albertel 414: if ($r->dir_config("lonBalancer") eq 'yes') {
1.101.8.6 raeburn 415: my $otherserver = &Apache::lonnet::spareserver(30000,undef,1,$form{'udom'});
1.101.8.7 raeburn 416: if (!$otherserver) {
417: ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
418: }
419: if ($otherserver) {
420: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
421: \%form);
422: $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
423: } else {
424: $r->print(&noswitch());
425: }
1.101.8.5 raeburn 426: return OK;
1.81 albertel 427: } else {
1.101.8.9.2.2! (raeburn 428:: if (!&check_can_host($r,\%form,$authhost,$domdesc)) {
1.101.8.7 raeburn 429: my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
430: if ($otherserver) {
431: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
432: \%form);
433: $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl);
434: } else {
435: $r->print(&noswitch());
436: }
437: return OK;
438: }
1.101.8.4 raeburn 439: # ------------------------------------------------------- Do the load balancing
440:
441: # ---------------------------------------------------------- Determine own load
442: my $loadlim = $r->dir_config('lonLoadLim');
443: my $loadavg;
444: {
445: my $loadfile=Apache::File->new('/proc/loadavg');
446: $loadavg=<$loadfile>;
447: }
448: $loadavg =~ s/\s.*//g;
449: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
450: my $userloadpercent=&Apache::lonnet::userload();
451:
452: # ---------------------------------------------------------- Are we overloaded?
453: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
454: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent,1,$form{'udom'});
1.101.8.7 raeburn 455: if (!$unloaded) {
456: ($unloaded) = &Apache::lonnet::choose_server($form{'udom'});
457: }
1.101.8.4 raeburn 458: if ($unloaded) {
459: &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',
460: undef,\%form);
461: $r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl);
1.101.8.5 raeburn 462: return OK;
1.101.8.4 raeburn 463: }
464: }
465: &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
466: \%form);
1.101.8.5 raeburn 467: return OK;
1.81 albertel 468: }
1.1 albertel 469: }
470:
1.101.8.2 raeburn 471: sub check_can_host {
472: my ($r,$form,$authhost,$domdesc) = @_;
473: return unless (ref($form) eq 'HASH');
474: my $canhost = 1;
475: my $lonhost = $r->dir_config('lonHostID');
476: my $udom = $form->{'udom'};
1.101.8.3 raeburn 477: my @intdoms;
478: my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
479: if (ref($internet_names) eq 'ARRAY') {
480: @intdoms = @{$internet_names};
481: }
1.101.8.2 raeburn 482: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
483: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
484: unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
485: my $machine_dom = &Apache::lonnet::host_domain($lonhost);
486: my $hostname = &Apache::lonnet::hostname($lonhost);
487: my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
488: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
489: my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
490: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
491: my $loncaparev;
492: if ($authhost eq 'no_account_on_host') {
493: $loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom);
494: } else {
495: $loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom,$lonhost);
496: }
497: $canhost = &Apache::lonnet::can_host_session($udom,$lonhost,$loncaparev,
498: $udomdefaults{'remotesessions'},
499: $defdomdefaults{'hostedsessions'});
500: }
501: unless ($canhost) {
502: if ($authhost eq 'no_account_on_host') {
1.101.8.7 raeburn 503: my $checkloginvia = 1;
504: my ($login_host,$hostname) =
505: &Apache::lonnet::choose_server($udom,$checkloginvia);
1.101.8.2 raeburn 506: &Apache::loncommon::content_type($r,'text/html');
507: $r->send_http_header;
508: if ($login_host ne '') {
509: my $protocol = $Apache::lonnet::protocol{$login_host};
510: $protocol = 'http' if ($protocol ne 'https');
511: my $newurl = $protocol.'://'.$hostname.'/adm/createaccount';
512: $r->print(&Apache::loncommon::start_page('Create a user account in LON-CAPA').
513: '<h3>'.&mt('Account creation').'</h3>'.
514: &mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
515: '<p>'.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'</p>'.
516: '<p>'.&mt('[_1]Log in[_2]','<a href="'.$newurl.'">','</a>').
517: &Apache::loncommon::end_page());
518: } else {
519: $r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable').
520: '<h3>'.&mt('Account creation unavailable').'</h3>'.
521: &mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
522: '<p>'.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'</p>'.
523: &Apache::loncommon::end_page());
524: }
525: } else {
526: &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
527: $form);
528: my ($otherserver) = &Apache::lonnet::choose_server($udom);
529: $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
530: }
531: }
1.101.8.5 raeburn 532: return $canhost;
1.101.8.2 raeburn 533: }
534:
1.101.8.7 raeburn 535: sub noswitch {
536: my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
537: '<h3>'.&mt('Session unavailable').'</h3>'.
538: &mt('This LON-CAPA server is unable to host your session.').'<br />'.
539: '<p>'.&mt('Currently no other LON-CAPA server is available to host your session either.').'</p>'.
540: &Apache::loncommon::end_page();
541: return $result;
542: }
543:
1.101.8.9.2.1 (raeburn 544:: sub create_account {
1.101.8.9.2.2! (raeburn 545:: my ($r,$form,$cancreate,$uname,$contact_name,$domdesc) = @_;
1.101.8.9.2.1 (raeburn 546:: return unless((ref($form) eq 'HASH') && (ref($cancreate) eq 'ARRAY'));
547:: my %domconfig =
548:: &Apache::lonnet::get_dom('configuration',['usercreation'],$form->{'udom'});
1.101.8.9.2.2! (raeburn 549:: if (&check_can_host($r,$form,'no_account_on_host',$domdesc)) {
1.101.8.9.2.1 (raeburn 550:: my $start_page =
551:: &Apache::loncommon::start_page('Create a user account in LON-CAPA',
552:: '',{'no_inline_link' => 1,});
553:: my $lonhost = $r->dir_config('lonHostID');
554:: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
555:: my $contacts =
556:: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
557:: $form->{'udom'},$origmail);
558:: my ($contact_email) = split(',',$contacts);
559:: my $output =
560:: &Apache::createaccount::username_check($uname,$form->{'udom'},
561:: $domdesc,'',$lonhost,
562:: $contact_email,$contact_name);
563:: &Apache::loncommon::content_type($r,'text/html');
564:: $r->send_http_header;
565:: &Apache::createaccount::print_header($r,$start_page);
566:: $r->print('<h3>'.&mt('Account creation').'</h3>'.
567:: &mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').'<br />'.
568:: $output.&Apache::loncommon::end_page());
569:: } else {
570:: &failed($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);
571:: }
572:: return;
573:: }
574::
1.1 albertel 575: 1;
576: __END__
1.7 www 577:
578:
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