Annotation of loncom/lontrans.pm, revision 1.17
1.1 www 1: # The LearningOnline Network
2: # URL translation for User Files
3: #
1.17 ! raeburn 4: # $Id: lontrans.pm,v 1.16 2016/08/16 20:17:54 raeburn 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: $r->notes->set('error-notes' => '');
1.17 ! raeburn 41: if ($r->uri =~ m{^/adm/lti/(.+)$}) {
! 42: my $realuri = $1;
! 43: my %user;
! 44: my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user);
! 45: if (($handle ne '') && ($user{'lti'})) {
! 46: if ($realuri =~ m{^uploaded/$match_domain/$match_courseid/(default|supplemental)(|_\d+)\.(?:sequence|page)___\d+___.+$}) {
! 47: my ($map,$resid,$url) = split(/___/,$realuri);
! 48: $realuri = &Apache::lonnet::clutter($url).'?symb='.$realuri;
! 49: } elsif ($realuri =~ m{($match_domain)/($match_courseid)$}) {
! 50: $realuri = '/adm/navmaps';
! 51: } else {
! 52: $realuri = '/'.$realuri;
! 53: if ($realuri =~ m{/default_\d+\.sequence$}) {
! 54: $realuri .= (($realuri =~/\?/)?'&':'?').'navmap=1';
! 55: }
! 56: }
! 57: my $host = $r->headers_in->get('Host');
! 58: if ($host) {
! 59: my $protocol = 'http';
! 60: if ($r->get_server_port == 443) {
! 61: $protocol = 'https';
! 62: }
! 63: my $location = $protocol.'://'.$host.$realuri;
! 64: $r->headers_out->set(Location => $location);
! 65: return REDIRECT;
! 66: }
! 67: }
! 68: } elsif ($r->uri=~m{^/raw/}) {
1.15 raeburn 69: my $host = $r->headers_in->get('Host');
70: if ($host) {
71: unless ($host =~ /^internal\-/) {
1.16 raeburn 72: my $remote_ip = $r->get_remote_host();
73: my $lonhost = $r->dir_config('lonHostID');
74: if (&redirect_raw($remote_ip,$lonhost)) {
75: my $location = 'https://internal-'.$host.$r->uri;
76: $r->headers_out->set(Location => $location);
77: return REDIRECT;
1.15 raeburn 78: }
79: }
80: }
81: }
1.7 raeburn 82: if ($r->uri=~m|^(/raw)?/uploaded/|) {
83: my $fn = $r->uri();
84: $fn=~s/^\/raw//;
85: my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn);
1.10 albertel 86: if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; }
1.7 raeburn 87: my $chome=&Apache::lonnet::homeserver($uname,$udom);
1.9 albertel 88: my $allowed=0;
89: my @ids=&Apache::lonnet::current_machine_ids();
90: foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } }
91: if ($allowed) {
1.13 albertel 92: $r->filename(&propath($udom,$uname).
93: '/userfiles/'.(join('/',@ufile)));
1.7 raeburn 94: }
1.15 raeburn 95: return OK;
96: } else {
97: return DECLINED;
98: }
99: }
100:
101: sub redirect_raw {
102: my ($remote_ip,$lonhost) = @_;
103: my @remhostids = &Apache::lonnet::get_hosts_from_ip($remote_ip);
104: my $redirect;
105: while (@remhostids) {
106: my $try_server = pop(@remhostids);
107: my $remhostname = &Apache::lonnet::hostname($try_server);
108: if ($remhostname) {
109: my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server);
110: my ($remmajor,$remminor) = ($remoterev =~ /^(\d+)\.(\d+)/);
111: if (($remmajor > 2) || (($remmajor == 2) && $remminor >= 12)) {
112: my $internet_names = &Apache::lonnet::get_internet_names($try_server);
113: if (ref($internet_names) eq 'ARRAY') {
114: my $intdom = &Apache::lonnet::internet_dom($lonhost);
115: unless (grep(/^\Q$intdom\E$/,@{$internet_names})) {
116: my $lonhostname = &Apache::lonnet::hostname($lonhost);
117: my $serverhomeID = &Apache::lonnet::get_server_homeID($lonhostname);
118: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
119: my %domdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
120: my $replication = $domdefaults{'replication'};
121: if (ref($replication) eq 'HASH') {
122: my $remhomeID = &Apache::lonnet::get_server_homeID($remhostname);
123: my $remhomedom = &Apache::lonnet::host_domain($remhomeID);
124: my $remprimary = &Apache::lonnet::domain($remhomedom,'primary');
125: my $remintdom = &Apache::lonnet::internet_dom($remprimary);
126: if (ref($replication->{'certreq'}) eq 'ARRAY') {
127: if (grep(/^\Q$remintdom\E$/,@{$replication->{'certreq'}})) {
128: $redirect = 1;
129: } else {
130: $redirect = 0;
131: }
132: }
133: if (ref($replication->{'nocertreq'}) eq 'ARRAY') {
134: if (grep(/^\Q$remintdom\E$/,@{$replication->{'nocertreq'}})) {
135: $redirect = 0;
136: } else {
137: $redirect = 1;
138: }
139: }
140: }
141: }
142: }
143: }
144: last;
145: }
146: }
147: return $redirect;
1.1 www 148: }
149:
150: 1;
151: __END__
152:
153:
154:
155:
156:
157:
158:
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