--- loncom/auth/migrateuser.pm 2006/04/05 22:39:55 1.5
+++ loncom/auth/migrateuser.pm 2018/11/24 16:19:04 1.35
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Starts a user off based of an existing token.
#
-# $Id: migrateuser.pm,v 1.5 2006/04/05 22:39:55 albertel Exp $
+# $Id: migrateuser.pm,v 1.35 2018/11/24 16:19:04 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,58 +29,478 @@
package Apache::migrateuser;
use strict;
+use LONCAPA qw(:DEFAULT :match);
use Apache::Constants qw(:common :http :methods);
use Apache::lonauth;
use Apache::lonnet;
+use Apache::lonlocal;
+use Apache::lonlogin();
+use Apache::ltiauth;
+use CGI::Cookie;
sub goto_login {
- my ($r) = @_;
+ my ($r,$domain,$data) = @_;
+ if ((ref($data) eq 'HASH') && ($data->{'lti.login'})) {
+ &Apache::ltiauth::invalid_request($r,'22');
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $url = '/adm/login';
+ if ($domain) {
+ $url .= '?domain='.$domain;
+ }
+ $r->print(&Apache::loncommon::start_page('Going to login',undef,
+ {'redirect' => [0,$url],}).
+ '<h1>'.&mt('One moment please...').'</h1>'.
+ '<p>'.&mt('Transferring to login page.').'</p>'.
+ &Apache::loncommon::end_page());
+ }
+ return OK;
+}
+
+sub sso_check {
+ my ($data) = @_;
+ my %extra_env;
+ if (ref($data) eq 'HASH') {
+ if ($data->{'sso.login'}) {
+ $extra_env{'request.sso.login'} = $data->{'sso.login'};
+ }
+ if ($data->{'sso.reloginserver'}) {
+ $extra_env{'request.sso.reloginserver'} =
+ $data->{'sso.reloginserver'};
+ }
+ if (($data->{'balancer'}) && ($data->{'server'}) && ($data->{'balcookie'})) {
+ $extra_env{'request.balancercookie'} = $data->{'server'}.':'.$data->{'balcookie'};
+ }
+ }
+ return \%extra_env;
+}
+
+sub lti_check {
+ my ($data) = @_;
+ my %lti_env;
+ if (ref($data) eq 'HASH') {
+ if ($data->{'lti.login'}) {
+ $lti_env{'request.lti.login'} = $data->{'lti.login'};
+ if ($data->{'lti.reqcrs'}) {
+ $lti_env{'request.lti.reqcrs'} = $data->{'lti.reqcrs'};
+ }
+ if ($data->{'lti.reqrole'}) {
+ $lti_env{'request.lti.reqrole'} = $data->{'lti.reqrole'};
+ }
+ if ($data->{'lti.selfenrollrole'}) {
+ $lti_env{'request.lti.selfenrollrole'} = $data->{'lti.selfenrollrole'};
+ }
+ if ($data->{'lti.uri'}) {
+ $lti_env{'request.lti.uri'} = $data->{'lti.uri'};
+ }
+ if ($data->{'lti.target'}) {
+ $lti_env{'request.lti.target'} = $data->{'lti.target'};
+ }
+ if ($data->{'lti.sourcecrs'}) {
+ $lti_env{'request.lti.sourcecrs'} = $data->{'lti.sourcecrs'};
+ }
+ }
+ if ($data->{'lti.passbackid'}) {
+ $lti_env{'request.lti.passbackid'} = $data->{'lti.passbackid'};
+ }
+ if ($data->{'lti.passbackurl'}) {
+ $lti_env{'request.lti.passbackurl'} = $data->{'lti.passbackurl'};
+ }
+ if ($data->{'lti.rosterid'}) {
+ $lti_env{'request.lti.rosterid'} = $data->{'lti.rosterid'};
+ }
+ if ($data->{'lti.rosterurl'}) {
+ $lti_env{'request.lti.rosterurl'} = $data->{'lti.rosterurl'};
+ }
+ }
+ return \%lti_env;
+}
+
+sub ip_changed {
+ my ($r,$udom,$camefrom,$dataref) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
- $r->print(&Apache::loncommon::start_page('Going to login',undef,
- {'redirect' =>
- [0,'/adm/login'],}).
- '<h1>'.&mt('One moment please...').'</h1>'.
- '<p>'.&mt('Transferring to login page.').'</p>'.
- &Apache::loncommon::end_page());
+ if (ref($dataref) eq 'HASH') {
+ my $title = 'LON-CAPA Session redirected';
+ my $message = &mt('Your internet address has changed since you logged in.');
+ my $rule_in_effect;
+ if ($dataref->{'balancer'}) {
+ my $baldom = &Apache::lonnet::host_domain($camefrom);
+ my $balprimaryid = &Apache::lonnet::domain($baldom,'primary');
+ my $balintdom = &Apache::lonnet::internet_dom($balprimaryid);
+ my $uprimaryid = &Apache::lonnet::domain($udom,'primary');
+ my $uintdom = &Apache::lonnet::internet_dom($uprimaryid);
+ my $dom_in_use;
+ if (($uintdom ne '') && ($uintdom eq $balintdom)) {
+ $dom_in_use = $udom;
+ } else {
+ $dom_in_use = $baldom;
+ }
+ my ($result,$cached)=&Apache::lonnet::is_cached_new('loadbalancing',$dom_in_use);
+ unless (defined($cached)) {
+ my $cachetime = 60*60*24;
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
+ if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
+ $result = &Apache::lonnet::do_cache_new('loadbalancing',$dom_in_use,
+ $domconfig{'loadbalancing'},$cachetime);
+ }
+ }
+ if (ref($result) eq 'HASH') {
+ (undef,my $currtargets,my $currrules) =
+ &Apache::lonnet::check_balancer_result($result,$dataref->{'server'});
+ if (ref($currrules) eq 'HASH') {
+ if ($dataref->{'sso.login'}) {
+ if ($currrules->{'_LC_ipchangesso'} ne '') {
+ $rule_in_effect = $currrules->{'_LC_ipchangesso'};
+ }
+ } else {
+ if ($currrules->{'_LC_ipchange'} ne '') {
+ $rule_in_effect = $currrules->{'_LC_ipchange'};
+ }
+ }
+ }
+ }
+ }
+ my $url;
+ my $lonhost= $r->dir_config('lonHostID');
+ my $switchto = $lonhost;
+ if ($rule_in_effect ne 'offloadedto') {
+ my $hosthere;
+ my @ids=&Apache::lonnet::current_machine_ids();
+ unless ($rule_in_effect eq 'balancer') {
+ if (grep(/^\Q$rule_in_effect\E$/,@ids)) {
+ $hosthere = 1;
+ }
+ }
+ unless ($hosthere) {
+ if ($dataref->{'role'}) {
+ my ($adom,$aname);
+ if ($dataref->{'role'} =~ m{^au\./($match_domain)/$}) {
+ $adom = $1;
+ $aname = $dataref->{'username'};
+ } elsif ($dataref->{'role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
+ $adom = $1;
+ $aname = $2;
+ }
+ if ($adom ne '' && $aname ne '') {
+ my $ahome = &Apache::lonnet::homeserver($aname,$adom);
+ unless ($ahome eq 'no_host') {
+ if ($ahome && grep(/^\Q$ahome\E$/,@ids)) {
+ $hosthere = 1;
+ }
+ }
+ }
+ }
+ }
+ unless ($hosthere) {
+ my $hostname;
+ if ($rule_in_effect eq 'balancer') {
+ $hostname = &Apache::lonnet::hostname($dataref->{'server'});
+ if ($hostname) {
+ $switchto = $dataref->{'server'};
+ }
+ } else {
+ $hostname = &Apache::lonnet::hostname($rule_in_effect);
+ if ($hostname) {
+ $switchto = $rule_in_effect;
+ }
+ }
+ if ($hostname) {
+ my $protocol = $Apache::lonnet::protocol{$switchto};
+ $protocol = 'http' if ($protocol ne 'https');
+ $url = $protocol.'://'.$hostname;
+ if ($rule_in_effect eq 'balancer') {
+ $message .= '<br />'.
+ &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.');
+ } else {
+ $message .= '<br />'.
+ &mt('As a result, your LON-CAPA session is being redirected.');
+ }
+ }
+ }
+ unless ($hosthere) {
+ if (($dataref->{'balancer'}) && ($dataref->{'balcookie'})) {
+ &Apache::lonnet::delbalcookie($dataref->{'balcookie'},$dataref->{'balancer'});
+ }
+ }
+ }
+ if ($dataref->{'sso.login'}) {
+ $url .= '/adm/roles';
+ } else {
+ $url .= '/adm/login';
+ if ($udom) {
+ $url .= '?domain='.$udom;
+ }
+ $message .= '<br />'.&mt('You will need to provide your password one more time.');
+ }
+ my %info= (
+ 'domain' => $udom,
+ 'username' => $dataref->{'username'},
+ 'role' => $dataref->{'role'},
+ 'sessionserver' => $lonhost,
+ );
+ if ($dataref->{'origurl'}) {
+ $info{'origurl'} = $dataref->{'origurl'};
+ }
+ if ($dataref->{'symb'}) {
+ $info{'symb'} = $dataref->{'symb'};
+ }
+ my $iptoken = &Apache::lonnet::tmpput(\%info,$switchto);
+ unless ($iptoken eq 'conlost') {
+ $url .= ($url =~ /\?/) ? '&' : '?';
+ $url .= 'iptoken='.$iptoken;
+ }
+ $r->print(&Apache::loncommon::start_page($title,undef,
+ {'redirect' =>
+ [2,$url],}).
+ '<h1>'.&mt('One moment please...').'</h1>'.
+ '<p class="LC_warning">'.$message.'</p>'.
+ &Apache::loncommon::end_page());
+ } else {
+ return &goto_login($r);
+ }
return OK;
}
+sub logout {
+ my ($r,$handle,$data,$lti_env) = @_;
+ my $lonidsdir=$r->dir_config('lonIDsDir');
+ if (unlink("$lonidsdir/$handle.id")) {
+ if (($env{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
+ (-l "$lonidsdir/$env{'user.linkedenv'}.id") &&
+ (readlink("$lonidsdir/$env{'user.linkedenv'}.id") eq "$lonidsdir/$handle.id")) {
+ unlink("$lonidsdir/$env{'user.linkedenv'}.id");
+ }
+ }
+ my %temp=('logout' => time);
+ &Apache::lonnet::put('email_status',\%temp);
+ &Apache::lonnet::log($env{'user.domain'},
+ $env{'user.name'},
+ $env{'user.home'},
+ "Logout $ENV{'REMOTE_ADDR'}");
+
+ &Apache::loncommon::content_type($r,'text/html');
+
+ #expire the cookies
+ my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
+ foreach my $name (keys(%cookies)) {
+ next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
+ my $c = new CGI::Cookie(-name => $name,
+ -value => '',
+ -expires => '-10y',);
+ $r->headers_out->add('Set-cookie' => $c);
+ }
+ my (%info,%user_info,%lti_info);
+ if (ref($lti_env) eq 'HASH') {
+ %lti_info = %{$lti_env};
+ }
+ my $lonhost = $r->dir_config('lonHostID');
+ if (ref($data) eq 'HASH') {
+ %user_info=('ip' => $ENV{'REMOTE_ADDR'},
+ 'domain' => $data->{'domain'},
+ 'username' => $data->{'username'},
+ 'role' => $data->{'role'},
+ 'origurl' => $data->{'origurl'},
+ 'symb' => $data->{'symb'},
+ 'server' => $lonhost);
+ }
+ %info = (%user_info,%lti_info);
+ my $token = &Apache::lonnet::tmpput(\%info,$lonhost);
+ my $url = '/adm/migrateuser?token='.$token;
+ $r->send_http_header;
+ $r->print(
+ &Apache::loncommon::start_page('Updating Session ...',undef,
+ {'redirect' => [0.1,$url],
+ 'only_body' => 1,}).
+ &Apache::loncommon::end_page());
+ $r->register_cleanup(\&flush_course_logs);
+ return;
+}
+
+sub flush_course_logs {
+ &Apache::lonnet::flushcourselogs();
+ return OK;
+}
sub handler {
my ($r) = @_;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
my %data = &Apache::lonnet::tmpget($env{'form.token'});
+ if (keys(%data) == 0) {
+ return &goto_login($r);
+ }
my $delete = &Apache::lonnet::tmpdel($env{'form.token'});
+ &Apache::lonlocal::get_language_handle($r);
+
if ($delete ne 'ok') {
- return &goto_login($r);
+ return &goto_login($r,undef,\%data);
}
- if ($data{'ip'} ne $ENV{'REMOTE_ADDR'} || !defined($data{'username'}) ||
- !defined($data{'domain'}) ) {
- return &goto_login($r);
+ if (!defined($data{'username'}) || !defined($data{'domain'})) {
+ return &goto_login($r,undef,\%data);
+ }
+ if ($data{'ip'} ne $ENV{'REMOTE_ADDR'}) {
+ &Apache::lonnet::logthis('IP change when session migration requested -- was: '.
+ $data{'ip'}.'; now: '.$ENV{'REMOTE_ADDR'}.' for '.$data{'username'}.':'.$data{'domain'});
+ return &ip_changed($r,$data{'domain'},$data{'server'},\%data);
}
- &Apache::lonnet::logthis("Allowing access for $data{'username'}\@$data{'domain'} to $data{'role'}");
+ &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} to $data{'role'}");
my $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
- if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r); }
+ my $udom;
+ if (&Apache::lonnet::domain($data{'domain'})) {
+ $udom=$data{'domain'};
+ }
+ if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r,$udom,\%data); }
+
+ my $sso_env = &sso_check(\%data);
+ my $lti_env = <i_check(\%data);
+
+ my $extra_env;
+ if ((ref($sso_env) eq 'HASH') && (keys(%{$sso_env}))) {
+ $extra_env = $sso_env;
+ } elsif ((ref($lti_env) eq 'HASH') && (keys(%{$lti_env}))) {
+ $extra_env = $lti_env;
+ }
+
+ my %form;
+ if ($data{'symb'} ne '') {
+ $form{'symb'} = $data{'symb'};
+ }
+ if ($data{'iptoken'} ne '') {
+ $form{'iptoken'} = $data{'iptoken'};
+ }
+ if ($data{'noloadbalance'} ne '') {
+ $form{'noloadbalance'} = $data{'noloadbalance'};
+ }
if (!$data{'role'}) {
- &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
- $home,'/adm/roles');
+ my $handle = &Apache::lonnet::check_for_valid_session($r);
+ if ($handle) {
+ &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
+ $handle);
+ if ($data{'lti.login'}) {
+ my $needslogout;
+ if ($env{'request.lti.login'}) {
+ if (($env{'user.name'} ne $data{'username'}) ||
+ ($env{'user.domain'} ne $data{'domain'})) {
+ $needslogout = 1;
+ }
+ } else {
+ $needslogout = 1;
+ }
+# If access is via LTI, and user already has a non-LTI session cookie
+# (and session) or has an LTI session cookie for a different username,
+# logout the existing session, and start a new one
+ if ($needslogout) {
+ &logout($r,$handle,\%data,$lti_env);
+ } elsif (($data{'lti.reqcrs'}) && ($data{'lti.reqrole'} eq 'cc')) {
+ $form{'lti.reqcrs'} = $data{'lti.reqcrs'};
+ $form{'lti.reqrole'} = $data{'lti.reqrole'};
+ $form{'lti.sourcecrs'} = $data{'lti.sourcecrs'};
+ $form{'lti.uri'} = $data{'lti.uri'};
+ if ($data{'lti.passbackid'}) {
+ $form{'lti.passbackid'} = $data{'lti.passbackid'};
+ }
+ if ($data{'lti.passbackurl'}) {
+ $form{'lti.passbackurl'} = $data{'lti.passbackurl'};
+ }
+ if ($data{'lti.rosterid'}) {
+ $form{'lti.rosterid'} = $data{'lti.rosterid'};
+ }
+ if ($data{'lti.rosterurl'}) {
+ $form{'lti.rosterurl'} = $data{'lti.rosterurl'};
+ }
+ if ($data{'lti.target'}) {
+ $form{'lti.target'} = $data{'lti.target'};
+ }
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ &Apache::ltiauth::lti_reqcrs($r,$data{'domain'},\%form,$data{'username'},$data{'domain'});
+ } else {
+ if (ref($lti_env) eq 'HASH') {
+ delete($lti_env->{'reqcrs'});
+ delete($lti_env->{'reqrole'});
+ delete($lti_env->{'selfenrollrole'});
+ }
+ if ($data{'lti.selfenrollrole'}) {
+ if (&Apache::ltiauth::lti_enroll($data{'username'},$data{'domain'},
+ $data{'lti.selfenrollrole'}) eq 'ok') {
+ my $url = '/adm/roles?selectrole=1&'.
+ &escape($data{'lti.selfenrollrole'}).'=1';
+ if ($data{'origurl'} =~ m{/default_\d+\.sequence$}) {
+ $url .= '&orgurl='.$data{'origurl'}.'&navmap=1';
+ } elsif ($data{'origurl'} ne '') {
+ $url .= '&orgurl='.$data{'origurl'};
+ }
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ $r->internal_redirect($url);
+ } else {
+ &Apache::ltiauth::invalid_request($r,23);
+ }
+ } elsif ($data{'origurl'} ne '') {
+ my $url = $data{'origurl'};
+ if ($url =~ m{/default_\d+\.sequence$}) {
+ $url .= (($url =~/\?/)?'&':'?').'navmap=1';
+ }
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ $r->internal_redirect($url);
+ } else {
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ }
+ }
+ } elsif ($data{'origurl'} ne '') {
+ $r->internal_redirect($data{'origurl'});
+ } elsif ($env{'request.course.id'}) {
+ $r->internal_redirect('/adm/navmaps');
+ } else {
+ $r->internal_redirect('/adm/roles');
+ }
+ } else {
+ my $desturl = '/adm/roles';
+ if ($data{'origurl'} ne '') {
+ $desturl = $data{'origurl'};
+ if ($data{'lti.login'}) {
+ $desturl = $data{'origurl'};
+ if ($desturl =~ m{/default_\d+\.sequence$}) {
+ $desturl .= (($desturl =~/\?/)?'&':'?').'navmap=1';
+ }
+ }
+ }
+ my $skipcritical;
+ if (($data{'lti.login'}) && ($data{'lti.reqcrs'}) &&
+ ($data{'lti.reqrole'} eq 'cc')) {
+ $skipcritical = 1;
+ }
+ &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
+ $home,$desturl,$extra_env,\%form,$skipcritical);
+ }
return OK;
}
-
- my $cookie=&Apache::lonauth::success($r,$data{'username'},$data{'domain'},
- $home,'noredirect');
- $r->header_out('Set-cookie',"lonID=$cookie; path=/");
- &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
- $cookie);
- $env{'form.selectrole'}='1';
- $env{'form.'.$data{'role'}}='1';
- return &Apache::lonroles::handler($r);
+
+ my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
+ if ($data{'origurl'} ne '') {
+ $next_url .= '&orgurl='.&escape($data{'origurl'});
+ if ($data{'lti.login'}) {
+ if (($data{'origurl'} =~ m{/default_\d+\.sequence$}) ||
+ ($data{'origurl'} =~ m{^/res/.+\.sequence$})) {
+ $next_url .= '&navmap=1';
+ }
+ }
+ }
+ &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
+ $next_url,$extra_env,\%form);
+ return OK;
}
1;