# The LearningOnline Network # URL translation for User Files # # $Id: lontrans.pm,v 1.16 2016/08/16 20:17:54 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # package Apache::lontrans; use strict; use Apache::Constants qw(:common :remotehost REDIRECT); use Apache::lonnet(); use Apache::File(); use LONCAPA qw(:DEFAULT :match); sub handler { my $r = shift; # FIXME line remove when mod_perl fixes BUG#4948 $r->notes->set('error-notes' => ''); if ($r->uri=~m{^/raw/}) { my $host = $r->headers_in->get('Host'); if ($host) { unless ($host =~ /^internal\-/) { my $remote_ip = $r->get_remote_host(); my $lonhost = $r->dir_config('lonHostID'); if (&redirect_raw($remote_ip,$lonhost)) { my $location = 'https://internal-'.$host.$r->uri; $r->headers_out->set(Location => $location); return REDIRECT; } } } } if ($r->uri=~m|^(/raw)?/uploaded/|) { my $fn = $r->uri(); $fn=~s/^\/raw//; my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn); if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; } my $chome=&Apache::lonnet::homeserver($uname,$udom); my $allowed=0; my @ids=&Apache::lonnet::current_machine_ids(); foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } } if ($allowed) { $r->filename(&propath($udom,$uname). '/userfiles/'.(join('/',@ufile))); } return OK; } else { return DECLINED; } } sub redirect_raw { my ($remote_ip,$lonhost) = @_; my @remhostids = &Apache::lonnet::get_hosts_from_ip($remote_ip); my $redirect; while (@remhostids) { my $try_server = pop(@remhostids); my $remhostname = &Apache::lonnet::hostname($try_server); if ($remhostname) { my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server); my ($remmajor,$remminor) = ($remoterev =~ /^(\d+)\.(\d+)/); if (($remmajor > 2) || (($remmajor == 2) && $remminor >= 12)) { my $internet_names = &Apache::lonnet::get_internet_names($try_server); if (ref($internet_names) eq 'ARRAY') { my $intdom = &Apache::lonnet::internet_dom($lonhost); unless (grep(/^\Q$intdom\E$/,@{$internet_names})) { my $lonhostname = &Apache::lonnet::hostname($lonhost); my $serverhomeID = &Apache::lonnet::get_server_homeID($lonhostname); my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); my %domdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); my $replication = $domdefaults{'replication'}; if (ref($replication) eq 'HASH') { my $remhomeID = &Apache::lonnet::get_server_homeID($remhostname); my $remhomedom = &Apache::lonnet::host_domain($remhomeID); my $remprimary = &Apache::lonnet::domain($remhomedom,'primary'); my $remintdom = &Apache::lonnet::internet_dom($remprimary); if (ref($replication->{'certreq'}) eq 'ARRAY') { if (grep(/^\Q$remintdom\E$/,@{$replication->{'certreq'}})) { $redirect = 1; } else { $redirect = 0; } } if (ref($replication->{'nocertreq'}) eq 'ARRAY') { if (grep(/^\Q$remintdom\E$/,@{$replication->{'nocertreq'}})) { $redirect = 0; } else { $redirect = 1; } } } } } } last; } } return $redirect; } 1; __END__