--- loncom/auth/switchserver.pm 2018/12/08 15:16:03 1.46
+++ loncom/auth/switchserver.pm 2023/06/02 01:20:26 1.65
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Switch Servers Handler
#
-# $Id: switchserver.pm,v 1.46 2018/12/08 15:16:03 raeburn Exp $
+# $Id: switchserver.pm,v 1.65 2023/06/02 01:20:26 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,7 +29,7 @@
package Apache::switchserver;
use strict;
-use Apache::Constants qw(:common);
+use Apache::Constants qw(:common :remotehost);
use Apache::lonnet;
use Digest::MD5 qw(md5_hex);
use CGI::Cookie();
@@ -54,11 +54,15 @@ sub init_env {
}
sub do_redirect {
- my ($r,$url,$only_body,$extra_text) = @_;
+ my ($r,$url,$only_body,$extra_text,$write_to_opener) = @_;
$r->send_http_header;
+ my $delay = 0.5;
+ if ($only_body && !$extra_text) {
+ $delay = 0;
+ }
my $start_page =
&Apache::loncommon::start_page('Switching Server ...',undef,
- {'redirect' => [0.5,$url],
+ {'redirect' => [$delay,$url,'',$write_to_opener,1],
'only_body' => $only_body,});
my $end_page = &Apache::loncommon::end_page();
$r->print($start_page.$extra_text.$end_page);
@@ -93,12 +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']);
+ ['otherserver','role','origurl','symb','lcssowin','edit']);
my $switch_to=&Apache::lonnet::hostname($env{'form.otherserver'});
if (! $env{'form.otherserver'}) {
@@ -107,7 +111,7 @@ sub handler {
$env{'user.name'});
if (! $env{'form.otherserver'}) {
$env{'form.otherserver'} =
- &Apache::lonnet::spareserver(30000,undef,1);
+ &Apache::lonnet::spareserver($r,30000,undef,1);
}
$switch_to=&Apache::lonnet::hostname($env{'form.otherserver'});
}
@@ -119,6 +123,10 @@ sub handler {
if ($Apache::lonnet::protocol{$env{'form.otherserver'}} eq 'https') {
$protocol = $Apache::lonnet::protocol{$env{'form.otherserver'}};
}
+ unless ($env{'form.otherserver'} eq $r->dir_config('lonHostID')) {
+ my $alias = &Apache::lonnet::use_proxy_alias($r,$env{'form.otherserver'});
+ $switch_to = $alias if ($alias ne '');
+ }
}
if ($env{'user.name'} eq 'public'
@@ -159,26 +167,69 @@ sub handler {
}
unless ($skip_canhost_check) {
- 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'});
+ 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 < $now)) {
+ if ($rolekey eq "user.role.au./$audom/") {
+ $hasrole = $rolekey;
+ } elsif ((&Apache::lonnet::will_trust('othcoau',$env{'user.domain'},$audom)) &&
+ (&Apache::lonnet::will_trust('coaurem',$audom,$env{'user.domain'}))) {
+ $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,$url,0);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
}
unless ($canhost) { return FORBIDDEN; }
}
@@ -207,7 +258,8 @@ sub handler {
} else {
$logmsg .= " (no role)";
}
- $logmsg .= ' '.$ENV{'REMOTE_ADDR'};
+ my $ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP);
+ $logmsg .= ' '.$ip;
&Apache::lonnet::log($env{'user.domain'},$env{'user.name'},
$env{'user.home'},$logmsg);
@@ -227,26 +279,32 @@ sub handler {
return OK;
}
# -------------------------------------------------------- Menu script and info
-
+
# ---------------------------------------------------------------- Get handover
- my $newcookieid;
- my ($is_balancer,$posshost,$setcookie,$offloadto,$dom_balancers) =
- &Apache::lonnet::check_loadbalancing($env{'user.name'},$env{'user.domain'});
+ my ($is_balancer,$setcookie,$newcookieid,$otherbalcookie,$offloadto,$dom_balancers);
+ my $only_body = 0;
+ ($is_balancer,undef,$setcookie,$offloadto,$dom_balancers) =
+ &Apache::lonnet::check_loadbalancing($env{'user.name'},$env{'user.domain'},'switchserver');
if ($is_balancer && $setcookie && $env{'form.otherserver'}) {
# Set a balancer cookie unless browser already sent LON-CAPA load balancer
# cookie which points at the target server
my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
- unless (($found_server eq $env{'form.otherserver'}) &&
- ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) {
+ if (($found_server eq $env{'form.otherserver'}) &&
+ ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) {
+ $only_body = 1;
+ } else {
$newcookieid = &balancer_cookieid($r,$env{'form.otherserver'},
$env{'user.name'},$env{'user.domain'});
}
}
+ if ((!$is_balancer) && ($env{'request.balancercookie'})) {
+ $otherbalcookie = $env{'request.balancercookie'};
+ }
- my %info=('ip' => $ENV{'REMOTE_ADDR'},
+ my %info=('ip' => $ip,
'domain' => $env{'user.domain'},
'username' => $env{'user.name'},
'home' => $env{'user.home'},
@@ -267,19 +325,54 @@ sub handler {
}
if ($newcookieid) {
$info{'balcookie'} = $newcookieid;
+ } elsif ($otherbalcookie) {
+ $info{'otherbalcookie'} = $otherbalcookie;
}
if ($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 $write_to_opener;
if ($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($fh);
+ }
+ }
+ if (defined($r->dir_config('lonSSOUserLogoutScriptFile'))) {
+ if (open(my $fh,'<',$r->dir_config('lonSSOUserLogoutScriptFile'))) {
+ $ssologoutscript .= join('',<$fh>);
+ close($fh);
+ }
+ }
}
if ($env{'request.sso.reloginserver'}) {
$info{'sso.reloginserver'} = $env{'request.sso.reloginserver'};
}
+ if ($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'} = $env{'request.linkkey'};
+ }
+ if ($env{'request.deeplink.login'}) {
+ $info{'deeplink.login'} = $env{'request.deeplink.login'};
+ }
if ($env{'request.lti.login'}) {
$info{'lti.login'} = $env{'request.lti.login'};
}
@@ -314,12 +407,18 @@ sub handler {
$info{'lti.target'} = $env{'request.lti.target'};
}
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;
+ 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 {
+ $url .= join('&',@args);
+ }
# --------------------------------------------------------------- Screen Output
- return &do_redirect($r, $url, 0);
+ return &do_redirect($r, $url, $only_body, $ssologoutscript, $env{'form.lcssowin'});
}
1;