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- $match_domain and $match_username in use.
1: # The LearningOnline Network 2: # Starts a user off based of an existing token. 3: # 4: # $Id: migrateuser.pm,v 1.19 2013/09/29 13:07:25 raeburn Exp $ 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: 29: package Apache::migrateuser; 30: 31: use strict; 32: use LONCAPA qw(:DEFAULT :match); 33: use Apache::Constants qw(:common :http :methods); 34: use Apache::lonauth; 35: use Apache::lonnet; 36: use Apache::lonlocal; 37: use Apache::lonlogin(); 38: 39: sub goto_login { 40: my ($r) = @_; 41: &Apache::loncommon::content_type($r,'text/html'); 42: $r->send_http_header; 43: $r->print(&Apache::loncommon::start_page('Going to login',undef, 44: {'redirect' => 45: [0,'/adm/login'],}). 46: '<h1>'.&mt('One moment please...').'</h1>'. 47: '<p>'.&mt('Transferring to login page.').'</p>'. 48: &Apache::loncommon::end_page()); 49: return OK; 50: } 51: 52: 53: sub sso_check { 54: my ($data) = @_; 55: my %extra_env; 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: $data->{'sso.reloginserver'}; 63: } 64: } 65: return \%extra_env; 66: } 67: 68: sub ip_changed { 69: my ($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($r); 172: } 173: return OK; 174: } 175: 176: sub handler { 177: my ($r) = @_; 178: 179: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']); 180: my %data = &Apache::lonnet::tmpget($env{'form.token'}); 181: if (keys(%data) == 0) { 182: return &goto_login($r); 183: } 184: my $delete = &Apache::lonnet::tmpdel($env{'form.token'}); 185: 186: &Apache::lonlocal::get_language_handle($r); 187: 188: if ($delete ne 'ok') { 189: return &goto_login($r); 190: } 191: 192: if (!defined($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); 197: } 198: 199: &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} to $data{'role'}"); 200: my $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'}); 201: if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r); } 202: 203: my $extra_env = &sso_check(\%data); 204: 205: my %form; 206: if ($data{'symb'} ne '') { 207: $form{'symb'} = $data{'symb'}; 208: } 209: 210: if (!$data{'role'}) { 211: my $handle = &Apache::lonnet::check_for_valid_session($r); 212: if ($handle) { 213: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'), 214: $handle); 215: if ($data{'origurl'} ne '') { 216: $r->internal_redirect($data{'origurl'}); 217: } elsif ($env{'request.course.id'}) { 218: $r->internal_redirect('/adm/navmaps'); 219: } else { 220: $r->internal_redirect('/adm/roles'); 221: } 222: } else { 223: my $desturl = '/adm/roles'; 224: if ($data{'origurl'} ne '') { 225: $desturl = $data{'origurl'}; 226: } 227: &Apache::lonauth::success($r,$data{'username'},$data{'domain'}, 228: $home,$desturl,$extra_env,\%form); 229: 230: } 231: return OK; 232: 233: } 234: 235: my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1'; 236: if ($data{'origurl'} ne '') { 237: $next_url .= '&orgurl='.&escape($data{'origurl'}); 238: } 239: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home, 240: $next_url,$extra_env,\%form); 241: return OK; 242: } 243: 244: 1; 245: __END__