--- loncom/auth/migrateuser.pm 2009/07/23 17:40:29 1.16 +++ loncom/auth/migrateuser.pm 2018/07/04 16:58:19 1.34 @@ -1,7 +1,7 @@ # The LearningOnline Network # Starts a user off based of an existing token. # -# $Id: migrateuser.pm,v 1.16 2009/07/23 17:40:29 raeburn Exp $ +# $Id: migrateuser.pm,v 1.34 2018/07/04 16:58:19 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,39 +29,293 @@ package Apache::migrateuser; use strict; -use LONCAPA; +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 ($r) = @_; - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - $r->print(&Apache::loncommon::start_page('Going to login',undef, - {'redirect' => - [0,'/adm/login'],}). - '

'.&mt('One moment please...').'

'. - '

'.&mt('Transferring to login page.').'

'. - &Apache::loncommon::end_page()); + 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],}). + '

'.&mt('One moment please...').'

'. + '

'.&mt('Transferring to login page.').'

'. + &Apache::loncommon::end_page()); + } return OK; } - sub sso_check { my ($data) = @_; my %extra_env; - if ($data->{'sso.login'}) { - $extra_env{'request.sso.login'} = $data->{'sso.login'}; - } - if ($data->{'sso.reloginserver'}) { - $extra_env{'request.sso.reloginserver'} = - $data->{'sso.reloginserver'}; + if (ref($data) eq 'HASH') { + if ($data->{'sso.login'}) { + $extra_env{'request.sso.login'} = $data->{'sso.login'}; + } + if ($data->{'sso.reloginserver'}) { + $extra_env{'request.sso.reloginserver'} = + $data->{'sso.reloginserver'}; + } } return \%extra_env; } +sub lti_check { + my ($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'); + $r->send_http_header; + if (ref($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 .= '
'. + &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.'); + } else { + $message .= '
'. + &mt('As a result, your LON-CAPA session is being redirected.'); + } + } + } + } + if ($dataref->{'sso.login'}) { + $url .= '/adm/roles'; + } else { + $url .= '/adm/login'; + if ($udom) { + $url .= '?domain='.$udom; + } + $message .= '
'.&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],}). + '

'.&mt('One moment please...').'

'. + '

'.$message.'

'. + &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) = @_; @@ -75,31 +329,129 @@ sub handler { &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 $extra_env = &sso_check(\%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'}) { my $handle = &Apache::lonnet::check_for_valid_session($r); if ($handle) { &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'), $handle); - if ($data{'origurl'} ne '') { + 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'); @@ -110,18 +462,33 @@ sub handler { 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); - + $home,$desturl,$extra_env,\%form,$skipcritical); } return OK; - } - my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1'; + my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1'; if ($data{'origurl'} ne '') { - $next_url .= '&orgurl='.&escape($data{'origurl'}); + $next_url .= '&orgurl='.&escape($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);