--- loncom/auth/switchserver.pm 2023/07/05 21:13:07 1.35.2.6.2.6 +++ loncom/auth/switchserver.pm 2021/10/26 14:20:40 1.59 @@ -1,7 +1,7 @@ # The LearningOnline Network # Switch Servers Handler # -# $Id: switchserver.pm,v 1.35.2.6.2.6 2023/07/05 21:13:07 raeburn Exp $ +# $Id: switchserver.pm,v 1.59 2021/10/26 14:20:40 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -54,7 +54,7 @@ sub init_env { } sub do_redirect { - my ($r,$url,$only_body,$extra_text,$write_to_opener) = @_; + my ($r,$url,$only_body,$extra_text) = @_; $r->send_http_header; my $delay = 0.5; if ($only_body && !$extra_text) { @@ -62,7 +62,7 @@ sub do_redirect { } my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef, - {'redirect' => [$delay,$url,'',$write_to_opener,1], + {'redirect' => [$delay,$url], 'only_body' => $only_body,}); my $end_page = &Apache::loncommon::end_page(); $r->print($start_page.$extra_text.$end_page); @@ -97,12 +97,12 @@ sub flush_course_logs { sub handler { my ($r) = @_; - + my $handle=&init_env($r); if (!defined($handle)) { return FORBIDDEN; } &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['otherserver','role','origurl','symb','lcssowin','edit']); + ['otherserver','role','origurl','symb']); my $switch_to=&Apache::lonnet::hostname($env{'form.otherserver'}); if (! $env{'form.otherserver'}) { @@ -155,72 +155,38 @@ sub handler { $skip_canhost_check = 1; } } elsif ($env{'form.role'} =~ m{^[ac]a\./($match_domain)/($match_username)$}) { - if (&Apache::lonnet::homeserver($2,$1) eq $env{'form.otherserver'}) { - $skip_canhost_check = 1; + my ($audom,$auname) = ($1,$2); + if (&Apache::lonnet::homeserver($auname,$audom) eq $env{'form.otherserver'}) { + if ((&Apache::lonnet::will_trust('othcoau',$env{'user.domain'},$audom)) && + (&Apache::lonnet::will_trust('coaurem',$audom,$env{'user.domain'}))) { + $skip_canhost_check = 1; + } } } } } unless ($skip_canhost_check) { - my $canhost = &Apache::lonnet::can_switchserver($env{'user.domain'},$env{'form.otherserver'}); - unless ($canhost) { - if (($env{'request.course.id'}) && ($env{'form.symb'} ne '') && - (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) { - my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; - my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - if (($cdom ne '') && ($cnum ne '') && ($env{'form.role'} =~ m{^([^.]+)\Q./$cdom/$cnum\E$})) { - my $symb = &Apache::lonnet::symbclean($env{'form.symb'}); - my ($map,$idx,$url) = &Apache::lonnet::decode_symb($symb); - if (&Apache::lonnet::symbverify($symb,$url)) { - my $fileloc = &Apache::lonnet::declutter(&Apache::lonnet::filelocation("",$url)); - my $resurl = &Apache::lonnet::clutter($url); - if ($resurl =~ m{^/res/($match_domain)/($match_username)/}) { - my ($audom,$auname) = ($1,$2); - if (&Apache::lonnet::homeserver($auname,$audom) eq $env{'form.otherserver'}) { - my @possroles = ("user.role.au./$audom/","user.role.ca./$audom/$auname","user.role.aa./$audom/$auname"); - my $hasrole; - foreach my $rolekey (@possroles) { - if (exists($env{$rolekey})) { - my ($start,$end) = split(/\./,$env{$rolekey}); - unless (($start && $start > $now) || ($end && $end < $now)) { - $hasrole = $rolekey; - } - if ($hasrole) { - $hasrole =~ s/^\Quser.role.\E//; - last; - } - } - } - if ($hasrole) { - $env{'form.role'} = $hasrole; - $env{'form.origurl'} = &Apache::lonnet::deversion($resurl); - $env{'form.origurl'} =~ s{^/res/}{/priv/}; - delete($env{'form.symb'}); - $canhost = 1; - if ($env{'form.edit'}) { - my $ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP); - my %info=('ip' => $ip, - 'domain' => $env{'user.domain'}, - 'username' => $env{'user.name'}, - 'home' => $env{'user.home'}, - 'role' => $env{'form.role'}, - 'server' => $r->dir_config('lonHostID'), - 'origurl' => $env{'form.origurl'}); - &Apache::loncommon::content_type($r,'text/html'); - my $token = &Apache::lonnet::tmpput(\%info,$env{'form.otherserver'}); - my $url = $protocol.'://'.$switch_to.'/adm/login?'. - 'domain='.$env{'user.domain'}. - '&username='.$env{'user.name'}. - '&token='.$token; - return &do_redirect($r,$url,0); - } - } - } - } - } - } - } + my $canhost = 1; + my $uprimary_id = &Apache::lonnet::domain($env{'user.domain'},'primary'); + my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); + my @intdoms; + my $internet_names = &Apache::lonnet::get_internet_names($env{'form.otherserver'}); + if (ref($internet_names) eq 'ARRAY') { + @intdoms = @{$internet_names}; + } + unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { + my $serverhomeID = &Apache::lonnet::get_server_homeID($switch_to); + my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); + my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); + my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'}); + my $remoterev = &Apache::lonnet::get_server_loncaparev($env{'user.domain'},$env{'form.otherserver'}); + $canhost = + &Apache::lonnet::can_host_session($env{'user.domain'}, + $env{'form.otherserver'}, + $remoterev, + $udomdefaults{'remotesessions'}, + $defdomdefaults{'hostedsessions'}); } unless ($canhost) { return FORBIDDEN; } } @@ -273,9 +239,9 @@ sub handler { # ---------------------------------------------------------------- Get handover - my ($is_balancer,$setcookie,$newcookieid,$otherbalcookie); + my ($is_balancer,$setcookie,$newcookieid,$otherbalcookie,$offloadto,$dom_balancers); my $only_body = 0; - ($is_balancer,undef,$setcookie) = + ($is_balancer,undef,$setcookie,$offloadto,$dom_balancers) = &Apache::lonnet::check_loadbalancing($env{'user.name'},$env{'user.domain'},'switchserver'); if ($is_balancer && $setcookie && $env{'form.otherserver'}) { @@ -295,12 +261,25 @@ sub handler { $otherbalcookie = $env{'request.balancercookie'}; } - my %info=('ip' => $ip, - 'domain' => $env{'user.domain'}, - 'username' => $env{'user.name'}, - 'role' => $env{'form.role'}, - 'server' => $r->dir_config('lonHostID'), - 'balancer' => $is_balancer); + my %info=('ip' => $ip, + 'domain' => $env{'user.domain'}, + 'username' => $env{'user.name'}, + 'home' => $env{'user.home'}, + 'role' => $env{'form.role'}, + 'server' => $r->dir_config('lonHostID'), + 'balancer' => $is_balancer, + 'dom_balancers' => $dom_balancers, + 'offloadto' => ''); + if (ref($offloadto) eq 'HASH') { + foreach my $key (keys(%{$offloadto})) { + if (ref($offloadto->{$key}) eq 'ARRAY') { + $info{'offloadto'} .= $key.'='.join(',',@{$offloadto->{$key}}).'&'; + } + } + $info{'offloadto'} =~ s/\&$//; + } elsif (ref($offloadto) eq 'ARRAY') { + $info{'offloadto'} = join(',',@{$offloadto}); + } if ($newcookieid) { $info{'balcookie'} = $newcookieid; } elsif ($otherbalcookie) { @@ -308,24 +287,17 @@ sub handler { } if ($env{'form.origurl'}) { $info{'origurl'} = $env{'form.origurl'}; - if ($env{'form.origurl'} eq '/adm/email') { - if ($env{'request.display'} && ($env{'request.mailrecip'} eq "$env{'user.name'}:$env{'user.domain'}")) { - $info{'display'} = &escape($env{'request.display'}); - $info{'mailrecip'} = &escape($env{'request.mailrecip'}); - } - } } if ($env{'form.symb'}) { $info{'symb'} = $env{'form.symb'}; } - my $ssologoutscript = ''; - my $write_to_opener; + my $ssologoutscript = ''; if ($env{'request.sso.login'}) { $info{'sso.login'} = $env{'request.sso.login'}; if (defined($r->dir_config("lonSSOUserLogoutScriptFile_$info{domain}"))) { if (open(my $fh,'<',$r->dir_config("lonSSOUserLogoutScriptFile_$info{domain}"))) { $ssologoutscript .= join('',<$fh>); - close($fh); + close($fh); } } if (defined($r->dir_config('lonSSOUserLogoutScriptFile'))) { @@ -340,11 +312,6 @@ sub handler { } if ($env{'request.linkprot'}) { $info{'linkprot'} = $env{'request.linkprot'}; - foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') { - if ($env{'request.'.$item}) { - $info{$item} = $env{'request.'.$item}; - } - } } elsif ($env{'request.linkkey'} ne '') { $info{'linkkey'} = $env{'request.linkkey'}; } @@ -385,18 +352,12 @@ sub handler { $info{'lti.target'} = $env{'request.lti.target'}; } my $token = &Apache::lonnet::tmpput(\%info,$env{'form.otherserver'}); - my @args = ("domain=$env{'user.domain'}", - "username=$env{'user.name'}", - "token=$token"); - my $url = $protocol.'://'.$switch_to.'/adm/login?'; - if ($env{'form.lcssowin'}) { - $url .= join('&',@args); - $only_body = 1; - } else { - $url .= join('&',@args); - } + my $url =$protocol.'://'.$switch_to.'/adm/login?'. + 'domain='.$env{'user.domain'}. + '&username='.$env{'user.name'}. + '&token='.$token; # --------------------------------------------------------------- Screen Output - return &do_redirect($r, $url, $only_body, $ssologoutscript, $env{'form.lcssowin'}); + return &do_redirect($r, $url, $only_body, $ssologoutscript); } 1;