--- loncom/auth/migrateuser.pm 2006/07/05 18:37:41 1.9 +++ loncom/auth/migrateuser.pm 2020/10/23 20:58:08 1.25.2.3 @@ -1,7 +1,7 @@ # The LearningOnline Network # Starts a user off based of an existing token. # -# $Id: migrateuser.pm,v 1.9 2006/07/05 18:37:41 albertel Exp $ +# $Id: migrateuser.pm,v 1.25.2.3 2020/10/23 20:58:08 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,19 +29,23 @@ 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(); sub goto_login { - my ($r) = @_; + my ($r,$domain) = @_; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; + my $url = '/adm/login'; + if ($domain) { + $url .= '?domain='.$domain; + } $r->print(&Apache::loncommon::start_page('Going to login',undef, - {'redirect' => - [0,'/adm/login'],}). + {'redirect' => [0,$url],}). '

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

'. '

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

'. &Apache::loncommon::end_page()); @@ -52,17 +56,173 @@ sub goto_login { sub sso_check { my ($data) = @_; my %extra_env; - if ($data->{'sso.login'}) { - $extra_env{'request.sso.login'} = $data->{'sso.login'}; + if (ref($data) eq 'HASH') { + if ($data->{'sso.login'}) { + $extra_env{'request.sso.login'} = $data->{'sso.login'}; + } + if ($data->{'sso.reloginserver'}) { + $extra_env{'request.sso.reloginserver'} = + $data->{'sso.reloginserver'}; + } } return \%extra_env; } +sub ip_changed { + my ($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 { + $message .= '
'. + &mt('As a result, your LON-CAPA session is being redirected.'); + } + } + } + unless ($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 .= '
'.&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($r); + } + return OK; +} + sub handler { my ($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($r); @@ -71,28 +231,93 @@ sub handler { return &goto_login($r); } - 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($r); + } + if ($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); } my $extra_env = &sso_check(\%data); + if (($data{'balancer'}) && ($data{'server'}) && ($data{'balcookie'})) { + if (ref($extra_env) eq 'HASH') { + $extra_env->{'request.balancercookie'} = $data{'server'}.':'.$data{'balcookie'}; + } else { + $extra_env = { 'request.balancercookie' => $data{'server'}.':'.$data{'balcookie'} }; + } + } elsif (($data{'server'}) && ($data{'otherbalcookie'})) { + my ($balancer,$balcookie) = split(/:/,$data{'otherbalcookie'}); + if (defined(&Apache::lonnet::hostname($balancer)) && $balcookie =~ /^[a-f0-9]{32}$/) { + my $baldom = &Apache::lonnet::host_domain($balancer); + if (&Apache::lonnet::shared_institution($baldom)) { + my $cookieid = join('_',$udom,$data{'username'},$balcookie); + &Apache::lonnet::updatebalcookie($cookieid,$balancer,$data{'server'}); + if (ref($extra_env) eq 'HASH') { + $extra_env->{'request.balancercookie'} = $data{'otherbalcookie'}; + } else { + $extra_env = { 'request.balancercookie' => $data{'otherbalcookie'} }; + } + } + } + } + + my (%form,$cid); + 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'}) { + if ($data{'role'} =~ m{\./($match_domain)/($match_courseid)(?:/\w+|$)}) { + unless (&Apache::lonnet::homeserver($2,$1) eq 'no_host') { + $cid = $1.'_'.$2; + } + } + } else { + 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 '') { + $r->internal_redirect($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 = $data{'origurl'}; + } + &Apache::lonauth::success($r,$data{'username'},$data{'domain'}, + $home,$desturl,$extra_env,\%form); - if (!$data{'role'}) { - &Apache::lonauth::success($r,$data{'username'},$data{'domain'}, - $home,'/adm/roles',$extra_env); + } return OK; + } my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1'; - - + if ($data{'origurl'} ne '') { + $next_url .= '&orgurl='.&escape($data{'origurl'}); + } &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home, - $next_url,$extra_env); + $next_url,$extra_env,\%form,$cid); return OK; }