Annotation of loncom/lontrans.pm, revision 1.14.10.2
1.1 www 1: # The LearningOnline Network
2: # URL translation for User Files
3: #
1.14.10.2! raeburn 4: # $Id: lontrans.pm,v 1.14.10.1 2020/03/05 22:02:32 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;
32: use Apache::Constants qw(:common :remotehost);
33: use Apache::lonnet();
1.14.10.2! raeburn 34: use Apache::loncommon;
1.1 www 35: use Apache::File();
1.11 www 36: use LONCAPA;
37:
1.2 www 38:
1.1 www 39: sub handler {
40: my $r = shift;
1.12 albertel 41: # FIXME line remove when mod_perl fixes BUG#4948
42: $r->notes->set('error-notes' => '');
1.14.10.2! raeburn 43: my $alias = &Apache::lonnet::get_proxy_alias();
! 44: if ($alias) {
! 45: my $hdrhost = $r->headers_in->get('Host');
! 46: my $lonhost = $r->dir_config('lonHostID');
! 47: my $hostname = &Apache::lonnet::hostname($lonhost);
! 48: my $ssourl = '/adm/sso';
! 49: if ($r->dir_config('lonOtherAuthenUrl') ne '') {
! 50: $ssourl = $r->dir_config('lonOtherAuthenUrl');
! 51: }
! 52: if (($hdrhost eq $alias) || ($hdrhost eq $hostname)) {
! 53: my $proxyinfo = &Apache::lonnet::get_proxy_settings($r->dir_config('lonDefDomain'));
! 54: my ($vpnint,$vpnext);
! 55: if (ref($proxyinfo) eq 'HASH') {
! 56: $vpnint = $proxyinfo->{'vpnint'};
! 57: $vpnext = $proxyinfo->{'vpnext'};
! 58: }
! 59: my ($redirect,$remote_ip);
! 60: if ($hdrhost eq $alias) {
! 61: $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP);
! 62: if (($vpnext && &Apache::lonnet::ip_match($remote_ip,$vpnext))) {
! 63: $redirect = $hostname;
! 64: }
! 65: if ($r->uri eq $ssourl) {
! 66: if (&Apache::lonnet::alias_sso($lonhost)) {
! 67: undef($redirect);
! 68: } else {
! 69: $redirect = $hostname;
! 70: }
! 71: }
! 72: if ($redirect eq $hdrhost) {
! 73: undef($redirect);
! 74: }
! 75: } elsif ($hdrhost eq $hostname) {
! 76: $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP,1);
! 77: unless (($remote_ip eq '127.0.0.1') || ($remote_ip eq '::1') ||
! 78: ($remote_ip eq &Apache::lonnet::get_host_ip($lonhost)) ||
! 79: ($vpnint && &Apache::lonnet::ip_match($remote_ip,$vpnint))) {
! 80: $redirect = $alias;
! 81: if (($r->uri=~m{^/raw/}) || ($r->uri=~m{^/adm/dns/})) {
! 82: my %iphost = &Apache::lonnet::get_iphost();
! 83: if (exists($iphost{$remote_ip})) {
! 84: undef($redirect);
! 85: }
! 86: } elsif ($r->uri eq $ssourl) {
! 87: unless (&Apache::lonnet::alias_sso($lonhost)) {
! 88: undef($redirect);
! 89: }
! 90: }
! 91: }
! 92: }
! 93: if ($redirect) {
! 94: my $uri = $r->uri;
! 95: if (($uri eq '/adm/switchserver') || ($uri =~ m{^/Shibboleth.sso/})) {
! 96: return DECLINED;
! 97: }
! 98: unless (($uri eq '/adm/migrateuser') || ($uri eq $ssourl)) {
! 99: my %user;
! 100: my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user);
! 101: if (($handle) && ($user{'name'} ne '') && ($user{'domain'} ne '')) {
! 102: unless (($user{'name'} eq 'public') && ($user{'domain'} eq 'public')) {
! 103: my $dest = '/adm/migrateuser';
! 104: my $token = &set_token($r,$dest,$remote_ip,\%user);
! 105: unless ($token eq '') {
! 106: $r->internal_redirect("$dest?token=$token");
! 107: $r->set_handlers('PerlHandler'=> undef);
! 108: return DECLINED;
! 109: }
! 110: }
! 111: }
! 112: }
! 113: my $protocol = 'http';
! 114: my $port = $r->get_server_port();
! 115: if ($port eq '443') {
! 116: $protocol = 'https';
! 117: }
! 118: if ($uri =~ m{^(/adm/css/)(.+)(.css)$}) {
! 119: $uri = $1.&escape($2).$3;
! 120: }
! 121: my $location = $protocol.'://'.$redirect.$uri;
! 122: if ($r->args) {
! 123: $location .= '?'.$r->args;
! 124: }
! 125: $r->header_out(Location => $location);
! 126: return REDIRECT;
! 127: }
! 128: }
! 129: }
1.7 raeburn 130: if ($r->uri=~m|^(/raw)?/uploaded/|) {
131: my $fn = $r->uri();
132: $fn=~s/^\/raw//;
133: my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn);
1.10 albertel 134: if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; }
1.7 raeburn 135: my $chome=&Apache::lonnet::homeserver($uname,$udom);
1.9 albertel 136: my $allowed=0;
137: my @ids=&Apache::lonnet::current_machine_ids();
138: foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } }
139: if ($allowed) {
1.13 albertel 140: $r->filename(&propath($udom,$uname).
141: '/userfiles/'.(join('/',@ufile)));
1.7 raeburn 142: }
1.14.10.1 raeburn 143: return OK;
144: } elsif ($r->uri =~ m{^\Q/adm/wrapper/ext/https:/\E[^/]}) {
145: my $uri = $r->uri;
146: $uri =~ s{^(\Q/adm/wrapper/ext/https:/\E)}{$1/};
147: $r->uri($uri);
148: }
149: return DECLINED;
1.1 www 150: }
151:
1.14.10.2! raeburn 152: sub set_token {
! 153: my ($r,$dest,$remote_ip,$userref) = @_;
! 154: my (%info,%user);
! 155: if ($dest eq '/adm/migrateuser') {
! 156: return unless (ref($userref) eq 'HASH');
! 157: %user = %{$userref};
! 158: %info = ('ip' => $remote_ip,
! 159: 'domain' => $user{'domain'},
! 160: 'username' => $user{'name'},
! 161: 'server' => $r->dir_config('lonHostID'),
! 162: );
! 163: }
! 164: if ($r->args) {
! 165: foreach my $pair (split(/&/,$r->args)) {
! 166: my ($name,$value) = split(/=/,$pair);
! 167: $name = &LONCAPA::unescape($name);
! 168: next unless (($name eq 'role') || ($name eq 'symb'));
! 169: $value =~ tr/+/ /;
! 170: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
! 171: $info{$name} = $value;
! 172: }
! 173: }
! 174: if ($dest eq '/adm/migrateuser') {
! 175: unless ($info{'role'}) {
! 176: if ($user{'role'} ne '') {
! 177: $info{'role'} = $user{'role'};
! 178: }
! 179: }
! 180: unless ($info{'symb'}) {
! 181: unless ($r->uri eq '/adm/roles') {
! 182: $info{'origurl'} = $r->uri;
! 183: }
! 184: }
! 185: }
! 186: if (($dest eq '/adm/migrateuser') || (keys(%info) > 0)) {
! 187: unless ($dest eq '/adm/migrateuser') {
! 188: $info{'origurl'} = $r->uri;
! 189: }
! 190: my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
! 191: unless (($token eq 'con_lost') || ($token eq 'refused') ||
! 192: ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
! 193: return $token;
! 194: }
! 195: }
! 196: return;
! 197: }
! 198:
1.1 www 199: 1;
200: __END__
201:
202:
203:
204:
205:
206:
207:
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