Annotation of loncom/auth/migrateuser.pm, revision 1.18
1.1 albertel 1: # The LearningOnline Network
2: # Starts a user off based of an existing token.
3: #
1.18 ! raeburn 4: # $Id: migrateuser.pm,v 1.17 2013/06/06 12:39:06 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;
1.6 albertel 32: use LONCAPA;
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 $camefrom = &Apache::lonnet::hostname($dataref->{'server'});
! 76: my $frombalancer = $dataref->{'balancer'};
! 77: my $rule_in_effect;
! 78: if ($frombalancer) {
! 79: my $balancerdom = &Apache::lonnet::host_domain($dataref->{'server'});
! 80: my ($result,$cached)=&Apache::lonnet::is_cached_new('loadbalancing',$balancerdom);
! 81: unless (defined($cached)) {
! 82: my $cachetime = 60*60*24;
! 83: my %domconfig =
! 84: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$balancerdom);
! 85: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
! 86: $result = &Apache::lonnet::do_cache_new('loadbalancing',$balancerdom,
! 87: $domconfig{'loadbalancing'},$cachetime);
! 88: }
! 89: }
! 90: if (ref($result) eq 'HASH') {
! 91: (undef,my $currtargets,my $currrules) =
! 92: &Apache::lonnet::check_balancer_result($result,$dataref->{'server'});
! 93: if (ref($currrules) eq 'HASH') {
! 94: if ($dataref->{'sso.login'}) {
! 95: if ($currrules->{'_LC_ipchangesso'} ne '') {
! 96: $rule_in_effect = $currrules->{'_LC_ipchangesso'};
! 97: }
! 98: } else {
! 99: if ($currrules->{'_LC_ipchange'} ne '') {
! 100: $rule_in_effect = $currrules->{'_LC_ipchange'};
! 101: }
! 102: }
! 103: }
! 104: }
! 105: }
! 106: my $url;
! 107: my $lonhost= $r->dir_config('lonHostID');
! 108: my $switchto = $lonhost;
! 109: if ($rule_in_effect eq 'balancer') {
! 110: my $hosthere;
! 111: if ($dataref->{'role'}) {
! 112: my ($adom,$aname);
! 113: if ($dataref->{'role'} =~ m{^au\./($match_domain)/$}) {
! 114: $adom = $1;
! 115: $aname = $dataref->{'username'};
! 116: } elsif ($dataref->{'role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
! 117: $adom = $1;
! 118: $aname = $2;
! 119: }
! 120: if ($adom ne '' && $aname ne '') {
! 121: my $ahome = &Apache::lonnet::homeserver($aname,$adom);
! 122: unless ($ahome eq 'no_host') {
! 123: my @ids=&Apache::lonnet::current_machine_ids();
! 124: if ($ahome && grep(/^\Q$ahome\E$/,@ids)) {
! 125: $hosthere = 1;
! 126: }
! 127: }
! 128: }
! 129: }
! 130: unless ($hosthere) {
! 131: my $hostname = &Apache::lonnet::hostname($dataref->{'server'});
! 132: if ($hostname) {
! 133: $switchto = $dataref->{'server'};
! 134: my $protocol = $Apache::lonnet::protocol{$switchto};
! 135: $protocol = 'http' if ($protocol ne 'https');
! 136: $url = $protocol.'://'.$hostname;
! 137: $message .= '<br />'.
! 138: &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.');
! 139: }
! 140: }
! 141: }
! 142: if ($dataref->{'sso.login'}) {
! 143: $url .= '/adm/roles?';
! 144: } else {
! 145: $url .= '/adm/login?';
! 146: $message .= '<br />'.&mt('You will need to provide your password one more time');
! 147: }
! 148: my %info= (
! 149: 'domain' => $dataref->{'domain'},
! 150: 'username' => $dataref->{'username'},
! 151: 'role' => $dataref->{'role'},
! 152: 'sessionserver' => $lonhost,
! 153: );
! 154: if ($dataref->{'origurl'}) {
! 155: $info{'origurl'} = $dataref->{'origurl'};
! 156: }
! 157: if ($dataref->{'symb'}) {
! 158: $info{'symb'} = $dataref->{'symb'};
! 159: }
! 160: my $iptoken = &Apache::lonnet::tmpput(\%info,$switchto);
! 161: unless ($iptoken eq 'conlost') {
! 162: $url .= 'iptoken='.$iptoken;
! 163: }
! 164: $r->print(&Apache::loncommon::start_page($title,undef,
! 165: {'redirect' =>
! 166: [2,$url],}).
! 167: '<h1>'.&mt('One moment please...').'</h1>'.
! 168: '<p class="LC_warning">'.$message.'</p>'.
! 169: &Apache::loncommon::end_page());
! 170: } else {
! 171: return &goto_login($r);
1.10 raeburn 172: }
1.18 ! raeburn 173: return OK;
1.7 albertel 174: }
175:
1.1 albertel 176: sub handler {
177: my ($r) = @_;
178:
179: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
1.4 albertel 180: my %data = &Apache::lonnet::tmpget($env{'form.token'});
1.13 raeburn 181: if (keys(%data) == 0) {
182: return &goto_login($r);
183: }
1.4 albertel 184: my $delete = &Apache::lonnet::tmpdel($env{'form.token'});
185:
1.6 albertel 186: &Apache::lonlocal::get_language_handle($r);
187:
1.4 albertel 188: if ($delete ne 'ok') {
189: return &goto_login($r);
190: }
1.2 albertel 191:
1.18 ! raeburn 192: if (!defined($data{'username'}) || !defined($data{'domain'})) {
! 193: return &goto_login($r);
! 194: }
! 195: if ($data{'ip'} ne $ENV{'REMOTE_ADDR'}) {
! 196: return &ip_changed($r,$data{'domain'},$data{'server'},\%data);
1.2 albertel 197: }
198:
1.17 raeburn 199: &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} to $data{'role'}");
1.2 albertel 200: my $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
201: if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r); }
202:
1.8 albertel 203: my $extra_env = &sso_check(\%data);
204:
1.16 raeburn 205: my %form;
206: if ($data{'symb'} ne '') {
207: $form{'symb'} = $data{'symb'};
208: }
209:
1.3 albertel 210: if (!$data{'role'}) {
1.12 albertel 211: my $handle = &Apache::lonnet::check_for_valid_session($r);
212: if ($handle) {
1.11 albertel 213: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
214: $handle);
1.14 raeburn 215: if ($data{'origurl'} ne '') {
216: $r->internal_redirect($data{'origurl'});
217: } elsif ($env{'request.course.id'}) {
218: $r->internal_redirect('/adm/navmaps');
1.11 albertel 219: } else {
220: $r->internal_redirect('/adm/roles');
221: }
222: } else {
1.14 raeburn 223: my $desturl = '/adm/roles';
224: if ($data{'origurl'} ne '') {
225: $desturl = $data{'origurl'};
226: }
1.11 albertel 227: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
1.16 raeburn 228: $home,$desturl,$extra_env,\%form);
1.11 albertel 229:
230: }
1.1 albertel 231: return OK;
1.11 albertel 232:
1.1 albertel 233: }
1.6 albertel 234:
235: my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
1.15 raeburn 236: if ($data{'origurl'} ne '') {
237: $next_url .= '&orgurl='.&escape($data{'origurl'});
238: }
1.6 albertel 239: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
1.16 raeburn 240: $next_url,$extra_env,\%form);
1.6 albertel 241: return OK;
1.1 albertel 242: }
243:
244: 1;
245: __END__
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