Annotation of loncom/auth/migrateuser.pm, revision 1.23
1.1 albertel 1: # The LearningOnline Network
2: # Starts a user off based of an existing token.
3: #
1.23 ! raeburn 4: # $Id: migrateuser.pm,v 1.22 2014/10/05 13:49:11 raeburn Exp $
1.1 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
1.2 albertel 29: package Apache::migrateuser;
1.1 albertel 30:
31: use strict;
1.19 raeburn 32: use LONCAPA qw(:DEFAULT :match);
1.1 albertel 33: use Apache::Constants qw(:common :http :methods);
34: use Apache::lonauth;
35: use Apache::lonnet;
1.6 albertel 36: use Apache::lonlocal;
1.18 raeburn 37: use Apache::lonlogin();
1.1 albertel 38:
39: sub goto_login {
1.2 albertel 40: my ($r) = @_;
41: &Apache::loncommon::content_type($r,'text/html');
42: $r->send_http_header;
1.5 albertel 43: $r->print(&Apache::loncommon::start_page('Going to login',undef,
44: {'redirect' =>
45: [0,'/adm/login'],}).
46: '<h1>'.&mt('One moment please...').'</h1>'.
47: '<p>'.&mt('Transferring to login page.').'</p>'.
48: &Apache::loncommon::end_page());
1.2 albertel 49: return OK;
1.1 albertel 50: }
51:
1.2 albertel 52:
1.7 albertel 53: sub sso_check {
54: my ($data) = @_;
1.8 albertel 55: my %extra_env;
1.18 raeburn 56: if (ref($data) eq 'HASH') {
57: if ($data->{'sso.login'}) {
58: $extra_env{'request.sso.login'} = $data->{'sso.login'};
59: }
60: if ($data->{'sso.reloginserver'}) {
61: $extra_env{'request.sso.reloginserver'} =
62: $data->{'sso.reloginserver'};
63: }
1.7 albertel 64: }
1.18 raeburn 65: return \%extra_env;
66: }
67:
68: sub ip_changed {
69: my ($r,$udom,$camefrom,$dataref) = @_;
70: &Apache::loncommon::content_type($r,'text/html');
71: $r->send_http_header;
72: if (ref($dataref) eq 'HASH') {
73: my $title = 'LON-CAPA Session redirected';
74: my $message = &mt('Your internet address has changed since you logged in.');
75: my $rule_in_effect;
1.22 raeburn 76: if ($dataref->{'balancer'}) {
77: my $baldom = &Apache::lonnet::host_domain($camefrom);
78: my $balprimaryid = &Apache::lonnet::domain($baldom,'primary');
79: my $balintdom = &Apache::lonnet::internet_dom($balprimaryid);
80: my $uprimaryid = &Apache::lonnet::domain($udom,'primary');
81: my $uintdom = &Apache::lonnet::internet_dom($uprimaryid);
82: my $dom_in_use;
83: if (($uintdom ne '') && ($uintdom eq $balintdom)) {
84: $dom_in_use = $udom;
85: } else {
86: $dom_in_use = $baldom;
1.21 raeburn 87: }
1.22 raeburn 88: my ($result,$cached)=&Apache::lonnet::is_cached_new('loadbalancing',$dom_in_use);
1.18 raeburn 89: unless (defined($cached)) {
90: my $cachetime = 60*60*24;
91: my %domconfig =
1.22 raeburn 92: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
1.18 raeburn 93: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.22 raeburn 94: $result = &Apache::lonnet::do_cache_new('loadbalancing',$dom_in_use,
1.18 raeburn 95: $domconfig{'loadbalancing'},$cachetime);
96: }
97: }
98: if (ref($result) eq 'HASH') {
99: (undef,my $currtargets,my $currrules) =
100: &Apache::lonnet::check_balancer_result($result,$dataref->{'server'});
101: if (ref($currrules) eq 'HASH') {
102: if ($dataref->{'sso.login'}) {
103: if ($currrules->{'_LC_ipchangesso'} ne '') {
104: $rule_in_effect = $currrules->{'_LC_ipchangesso'};
105: }
106: } else {
107: if ($currrules->{'_LC_ipchange'} ne '') {
108: $rule_in_effect = $currrules->{'_LC_ipchange'};
109: }
110: }
111: }
112: }
113: }
114: my $url;
115: my $lonhost= $r->dir_config('lonHostID');
116: my $switchto = $lonhost;
1.23 ! raeburn 117: if ($rule_in_effect ne 'offloadedto') {
1.18 raeburn 118: my $hosthere;
1.23 ! raeburn 119: my @ids=&Apache::lonnet::current_machine_ids();
! 120: unless ($rule_in_effect eq 'balancer') {
! 121: if (grep(/^\Q$rule_in_effect\E$/,@ids)) {
! 122: $hosthere = 1;
! 123: }
! 124: }
! 125: unless ($hosthere) {
! 126: if ($dataref->{'role'}) {
! 127: my ($adom,$aname);
! 128: if ($dataref->{'role'} =~ m{^au\./($match_domain)/$}) {
! 129: $adom = $1;
! 130: $aname = $dataref->{'username'};
! 131: } elsif ($dataref->{'role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
! 132: $adom = $1;
! 133: $aname = $2;
! 134: }
! 135: if ($adom ne '' && $aname ne '') {
! 136: my $ahome = &Apache::lonnet::homeserver($aname,$adom);
! 137: unless ($ahome eq 'no_host') {
! 138: if ($ahome && grep(/^\Q$ahome\E$/,@ids)) {
! 139: $hosthere = 1;
! 140: }
1.18 raeburn 141: }
142: }
143: }
144: }
1.23 ! raeburn 145: unless ($hosthere) {
! 146: my $hostname;
! 147: if ($rule_in_effect eq 'balancer') {
! 148: $hostname = &Apache::lonnet::hostname($dataref->{'server'});
! 149: if ($hostname) {
! 150: $switchto = $dataref->{'server'};
! 151: }
! 152: } else {
! 153: $hostname = &Apache::lonnet::hostname($rule_in_effect);
! 154: if ($hostname) {
! 155: $switchto = $rule_in_effect;
! 156: }
! 157: }
1.18 raeburn 158: if ($hostname) {
159: my $protocol = $Apache::lonnet::protocol{$switchto};
160: $protocol = 'http' if ($protocol ne 'https');
161: $url = $protocol.'://'.$hostname;
1.23 ! raeburn 162: if ($rule_in_effect eq 'balancer') {
! 163: $message .= '<br />'.
! 164: &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.');
! 165: } else {
! 166: $message .= '<br />'.
! 167: &mt('As a result, your LON-CAPA session is being redirected.');
! 168: }
1.18 raeburn 169: }
170: }
171: }
172: if ($dataref->{'sso.login'}) {
1.21 raeburn 173: $url .= '/adm/roles';
1.18 raeburn 174: } else {
1.21 raeburn 175: $url .= '/adm/login';
1.20 raeburn 176: $message .= '<br />'.&mt('You will need to provide your password one more time.');
1.18 raeburn 177: }
178: my %info= (
179: 'domain' => $dataref->{'domain'},
180: 'username' => $dataref->{'username'},
181: 'role' => $dataref->{'role'},
182: 'sessionserver' => $lonhost,
183: );
184: if ($dataref->{'origurl'}) {
185: $info{'origurl'} = $dataref->{'origurl'};
186: }
187: if ($dataref->{'symb'}) {
188: $info{'symb'} = $dataref->{'symb'};
189: }
190: my $iptoken = &Apache::lonnet::tmpput(\%info,$switchto);
191: unless ($iptoken eq 'conlost') {
1.21 raeburn 192: $url .= '?iptoken='.$iptoken;
1.18 raeburn 193: }
194: $r->print(&Apache::loncommon::start_page($title,undef,
195: {'redirect' =>
196: [2,$url],}).
197: '<h1>'.&mt('One moment please...').'</h1>'.
198: '<p class="LC_warning">'.$message.'</p>'.
199: &Apache::loncommon::end_page());
200: } else {
201: return &goto_login($r);
1.10 raeburn 202: }
1.18 raeburn 203: return OK;
1.7 albertel 204: }
205:
1.1 albertel 206: sub handler {
207: my ($r) = @_;
208:
209: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
1.4 albertel 210: my %data = &Apache::lonnet::tmpget($env{'form.token'});
1.13 raeburn 211: if (keys(%data) == 0) {
212: return &goto_login($r);
213: }
1.4 albertel 214: my $delete = &Apache::lonnet::tmpdel($env{'form.token'});
215:
1.6 albertel 216: &Apache::lonlocal::get_language_handle($r);
217:
1.4 albertel 218: if ($delete ne 'ok') {
219: return &goto_login($r);
220: }
1.2 albertel 221:
1.18 raeburn 222: if (!defined($data{'username'}) || !defined($data{'domain'})) {
223: return &goto_login($r);
224: }
225: if ($data{'ip'} ne $ENV{'REMOTE_ADDR'}) {
226: return &ip_changed($r,$data{'domain'},$data{'server'},\%data);
1.2 albertel 227: }
228:
1.17 raeburn 229: &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} to $data{'role'}");
1.2 albertel 230: my $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
231: if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r); }
232:
1.8 albertel 233: my $extra_env = &sso_check(\%data);
234:
1.16 raeburn 235: my %form;
236: if ($data{'symb'} ne '') {
237: $form{'symb'} = $data{'symb'};
238: }
1.21 raeburn 239: if ($data{'iptoken'} ne '') {
240: $form{'iptoken'} = $data{'iptoken'};
241: }
1.16 raeburn 242:
1.3 albertel 243: if (!$data{'role'}) {
1.12 albertel 244: my $handle = &Apache::lonnet::check_for_valid_session($r);
245: if ($handle) {
1.11 albertel 246: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
247: $handle);
1.14 raeburn 248: if ($data{'origurl'} ne '') {
249: $r->internal_redirect($data{'origurl'});
250: } elsif ($env{'request.course.id'}) {
251: $r->internal_redirect('/adm/navmaps');
1.11 albertel 252: } else {
253: $r->internal_redirect('/adm/roles');
254: }
255: } else {
1.14 raeburn 256: my $desturl = '/adm/roles';
257: if ($data{'origurl'} ne '') {
258: $desturl = $data{'origurl'};
259: }
1.11 albertel 260: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
1.16 raeburn 261: $home,$desturl,$extra_env,\%form);
1.11 albertel 262:
263: }
1.1 albertel 264: return OK;
1.11 albertel 265:
1.1 albertel 266: }
1.6 albertel 267:
268: my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
1.15 raeburn 269: if ($data{'origurl'} ne '') {
270: $next_url .= '&orgurl='.&escape($data{'origurl'});
271: }
1.6 albertel 272: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
1.16 raeburn 273: $next_url,$extra_env,\%form);
1.6 albertel 274: return OK;
1.1 albertel 275: }
276:
277: 1;
278: __END__
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