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Annotation of loncom/lontrans.pm, revision 1.15

1.1       www         1: # The LearningOnline Network
                      2: # URL translation for User Files
                      3: #
1.15    ! raeburn     4: # $Id: lontrans.pm,v 1.14 2011/10/21 16:03:06 www Exp $
1.1       www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: 
                     29: package Apache::lontrans;
                     30: 
                     31: use strict;
1.15    ! raeburn    32: use Apache::Constants qw(:common :remotehost REDIRECT);
1.1       www        33: use Apache::lonnet();
                     34: use Apache::File();
1.15    ! raeburn    35: use LONCAPA qw(:DEFAULT :match);
1.2       www        36: 
1.1       www        37: sub handler {
                     38:     my $r = shift;
1.12      albertel   39:     # FIXME line remove when mod_perl fixes BUG#4948 
                     40:     $r->notes->set('error-notes' => '');
1.15    ! raeburn    41:     if ($r->uri=~m{^/raw/}) {
        !            42:         my $host = $r->headers_in->get('Host');
        !            43:         if ($host) {
        !            44:             unless ($host =~ /^internal\-/) {
        !            45:                 my $c = $r->connection;
        !            46:                 if (ref($c)) {
        !            47:                     my $remote_ip = $c->remote_ip;
        !            48:                     my $lonhost = $r->dir_config('lonHostID');
        !            49:                     if (&redirect_raw($remote_ip,$lonhost)) {
        !            50:                         my $location = 'https://internal-'.$host.$r->uri;
        !            51:                         $r->headers_out->set(Location => $location);
        !            52:                         return REDIRECT;
        !            53:                     }
        !            54:                 }
        !            55:             }
        !            56:         }
        !            57:     }
1.7       raeburn    58:     if ($r->uri=~m|^(/raw)?/uploaded/|) {
                     59:         my $fn = $r->uri();
                     60:         $fn=~s/^\/raw//;
                     61:         my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn);
1.10      albertel   62: 	if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; }
1.7       raeburn    63:         my $chome=&Apache::lonnet::homeserver($uname,$udom);
1.9       albertel   64: 	my $allowed=0;
                     65: 	my @ids=&Apache::lonnet::current_machine_ids();
                     66: 	foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } }
                     67: 	if ($allowed) {
1.13      albertel   68: 	    $r->filename(&propath($udom,$uname).
                     69: 			 '/userfiles/'.(join('/',@ufile)));
1.7       raeburn    70:         }
1.15    ! raeburn    71:         return OK;
        !            72:     } else { 
        !            73:         return DECLINED;
        !            74:     }
        !            75: }
        !            76: 
        !            77: sub redirect_raw {
        !            78:     my ($remote_ip,$lonhost) = @_;
        !            79:     my @remhostids = &Apache::lonnet::get_hosts_from_ip($remote_ip);
        !            80:     my $redirect;
        !            81:     while (@remhostids) {
        !            82:         my $try_server = pop(@remhostids);
        !            83:         my $remhostname = &Apache::lonnet::hostname($try_server);
        !            84:         if ($remhostname) {
        !            85:             my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server);
        !            86:             my ($remmajor,$remminor) = ($remoterev =~ /^(\d+)\.(\d+)/);
        !            87:             if (($remmajor > 2) || (($remmajor == 2) && $remminor >= 12)) {
        !            88:                 my $internet_names = &Apache::lonnet::get_internet_names($try_server);
        !            89:                 if (ref($internet_names) eq 'ARRAY') {
        !            90:                     my $intdom = &Apache::lonnet::internet_dom($lonhost);
        !            91:                     unless (grep(/^\Q$intdom\E$/,@{$internet_names})) {
        !            92:                         my $lonhostname = &Apache::lonnet::hostname($lonhost);
        !            93:                         my $serverhomeID = &Apache::lonnet::get_server_homeID($lonhostname);
        !            94:                         my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
        !            95:                         my %domdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
        !            96:                         my $replication = $domdefaults{'replication'};
        !            97:                         if (ref($replication) eq 'HASH') {
        !            98:                             my $remhomeID = &Apache::lonnet::get_server_homeID($remhostname);
        !            99:                             my $remhomedom = &Apache::lonnet::host_domain($remhomeID);
        !           100:                             my $remprimary = &Apache::lonnet::domain($remhomedom,'primary');
        !           101:                             my $remintdom = &Apache::lonnet::internet_dom($remprimary);
        !           102:                             if (ref($replication->{'certreq'}) eq 'ARRAY') {
        !           103:                                 if (grep(/^\Q$remintdom\E$/,@{$replication->{'certreq'}})) {
        !           104:                                     $redirect = 1;
        !           105:                                 } else {
        !           106:                                     $redirect = 0;
        !           107:                                 }
        !           108:                             }
        !           109:                             if (ref($replication->{'nocertreq'}) eq 'ARRAY') {
        !           110:                                 if (grep(/^\Q$remintdom\E$/,@{$replication->{'nocertreq'}})) {
        !           111:                                     $redirect = 0;
        !           112:                                 } else {
        !           113:                                     $redirect = 1;
        !           114:                                 }
        !           115:                             }
        !           116:                         }
        !           117:                     }
        !           118:                 }
        !           119:             }
        !           120:             last;
        !           121:         }
        !           122:     }
        !           123:     return $redirect;  
1.1       www       124: }
                    125: 
                    126: 1;
                    127: __END__
                    128: 
                    129: 
                    130: 
                    131: 
                    132: 
                    133: 
                    134: