Annotation of loncom/lontrans.pm, revision 1.27
1.1 www 1: # The LearningOnline Network
2: # URL translation for User Files
3: #
1.27 ! raeburn 4: # $Id: lontrans.pm,v 1.26 2020/02/29 16:05:21 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;
1.25 raeburn 32: use Apache::Constants qw(:common :remotehost REDIRECT);
1.18 raeburn 33: use Apache::lonnet;
1.1 www 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;
1.25 raeburn 39: # FIXME line remove when mod_perl fixes BUG#4948
1.12 albertel 40: $r->notes->set('error-notes' => '');
1.27 ! raeburn 41: my $actualhost = $r->headers_in->get('Host');
1.25 raeburn 42: if ($r->uri=~m{^/raw/}) {
1.27 ! raeburn 43: if ($actualhost) {
1.15 raeburn 44: unless ($host =~ /^internal\-/) {
1.27 ! raeburn 45: my $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP,1);
1.16 raeburn 46: my $lonhost = $r->dir_config('lonHostID');
47: if (&redirect_raw($remote_ip,$lonhost)) {
48: my $location = 'https://internal-'.$host.$r->uri;
49: $r->headers_out->set(Location => $location);
50: return REDIRECT;
1.15 raeburn 51: }
52: }
53: }
54: }
1.27 ! raeburn 55: my $alias = &Apache::lonnet::get_proxy_alias();
! 56: if ($alias) {
! 57: my $lonhost = $r->dir_config('lonHostID');
! 58: my $expected_host = &Apache::lonnet::hostname($lonhost);
! 59: if (($actualhost eq $expected_host) && ($actualhost ne $alias)) {
! 60: my $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP,1);
! 61: unless ($remote_ip eq '127.0.0.1') {
! 62: my $hostip = &Apache::lonnet::get_host_ip($lonhost);
! 63: unless ($remote_ip eq $hostip) {
! 64: my $do_redirect = 1;
! 65: if ($r->uri=~m{^/raw/}){
! 66: my %iphost = &Apache::lonnet::get_iphost();
! 67: if (exists($iphost{$remote_ip})) {
! 68: undef($do_redirect);
! 69: }
! 70: }
! 71: if ($do_redirect) {
! 72: my $uri = $r->uri;
! 73: my $protocol = 'http';
! 74: my $port = $r->get_server_port();
! 75: if ($port eq '443') {
! 76: $protocol = 'https';
! 77: }
! 78: $r->header_out(Location => $protocol.'://'.$alias.$uri);
! 79: return REDIRECT;
! 80: }
! 81: }
! 82: }
! 83: }
! 84: }
1.7 raeburn 85: if ($r->uri=~m|^(/raw)?/uploaded/|) {
86: my $fn = $r->uri();
87: $fn=~s/^\/raw//;
88: my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn);
1.10 albertel 89: if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; }
1.7 raeburn 90: my $chome=&Apache::lonnet::homeserver($uname,$udom);
1.9 albertel 91: my $allowed=0;
92: my @ids=&Apache::lonnet::current_machine_ids();
93: foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } }
94: if ($allowed) {
1.13 albertel 95: $r->filename(&propath($udom,$uname).
96: '/userfiles/'.(join('/',@ufile)));
1.7 raeburn 97: }
1.15 raeburn 98: return OK;
1.26 raeburn 99: } elsif ($r->uri =~ m{^\Q/adm/wrapper/ext/https:/\E[^/]}) {
100: my $uri = $r->uri;
101: $uri =~ s{^(\Q/adm/wrapper/ext/https:/\E)}{$1/};
102: $r->uri($uri);
1.15 raeburn 103: }
1.26 raeburn 104: return DECLINED;
1.15 raeburn 105: }
106:
107: sub redirect_raw {
108: my ($remote_ip,$lonhost) = @_;
109: my @remhostids = &Apache::lonnet::get_hosts_from_ip($remote_ip);
110: my $redirect;
111: while (@remhostids) {
112: my $try_server = pop(@remhostids);
113: my $remhostname = &Apache::lonnet::hostname($try_server);
114: if ($remhostname) {
115: my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$try_server);
116: my ($remmajor,$remminor) = ($remoterev =~ /^(\d+)\.(\d+)/);
117: if (($remmajor > 2) || (($remmajor == 2) && $remminor >= 12)) {
118: my $internet_names = &Apache::lonnet::get_internet_names($try_server);
119: if (ref($internet_names) eq 'ARRAY') {
120: my $intdom = &Apache::lonnet::internet_dom($lonhost);
121: unless (grep(/^\Q$intdom\E$/,@{$internet_names})) {
122: my $lonhostname = &Apache::lonnet::hostname($lonhost);
123: my $serverhomeID = &Apache::lonnet::get_server_homeID($lonhostname);
124: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
125: my %domdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
126: my $replication = $domdefaults{'replication'};
127: if (ref($replication) eq 'HASH') {
128: my $remhomeID = &Apache::lonnet::get_server_homeID($remhostname);
129: my $remhomedom = &Apache::lonnet::host_domain($remhomeID);
130: my $remprimary = &Apache::lonnet::domain($remhomedom,'primary');
131: my $remintdom = &Apache::lonnet::internet_dom($remprimary);
132: if (ref($replication->{'certreq'}) eq 'ARRAY') {
133: if (grep(/^\Q$remintdom\E$/,@{$replication->{'certreq'}})) {
1.24 raeburn 134: $redirect = 0;
135: } else {
1.15 raeburn 136: $redirect = 1;
137: }
138: }
139: if (ref($replication->{'nocertreq'}) eq 'ARRAY') {
140: if (grep(/^\Q$remintdom\E$/,@{$replication->{'nocertreq'}})) {
1.24 raeburn 141: $redirect = 1;
142: } else {
1.15 raeburn 143: $redirect = 0;
144: }
145: }
146: }
147: }
148: }
149: }
150: last;
151: }
152: }
1.24 raeburn 153: return $redirect;
1.1 www 154: }
155:
156: 1;
157: __END__
158:
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