--- loncom/lontrans.pm 2002/08/08 13:45:21 1.2
+++ loncom/lontrans.pm 2018/04/21 20:34:44 1.22
@@ -1,7 +1,7 @@
# The LearningOnline Network
# URL translation for User Files
#
-# $Id: lontrans.pm,v 1.2 2002/08/08 13:45:21 www Exp $
+# $Id: lontrans.pm,v 1.22 2018/04/21 20:34:44 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,35 +29,166 @@
package Apache::lontrans;
use strict;
-use Apache::Constants qw(:common :remotehost);
-use Apache::lonnet();
+use Apache::Constants qw(:common :remotehost REDIRECT :http);
+use Apache::lonnet;
use Apache::File();
-
-sub propath {
- my ($udom,$uname)=@_;
- $udom=~s/\W//g;
- $uname=~s/\W//g;
- my $subdir=$uname.'__';
- $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
- my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
- return $proname;
-}
-
+use LONCAPA qw(:DEFAULT :match);
sub handler {
my $r = shift;
- unless ($r->uri=~/^\/uploaded\//) { return DECLINED; }
- my ($dum1,$dum2,$udom,$uname,$ufile)=split(/\//,$r->uri);
- $ufile=~s/^[\~\.]+//;
- $r->filename(&propath($udom,$uname).'/userfiles/'.$ufile);
+ # FIXME line remove when mod_perl fixes BUG#4948
+ $r->notes->set('error-notes' => '');
+ if ($r->uri =~ m{^/+tiny/+($match_domain)/+(\w+)$}) {
+ my ($cdom,$key) = ($1,$2);
+ if (&Apache::lonnet::domain($cdom) ne '') {
+ my %user;
+ my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user);
+ if ($handle ne '') {
+ my $lonidsdir=$r->dir_config('lonIDsDir');
+ &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
+ if ($env{'request.course.id'}) {
+ my $tinyurl;
+ my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key);
+ if (defined($cached)) {
+ $tinyurl = $result;
+ } else {
+ my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
+ my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname);
+ if ($currtiny{$key} ne '') {
+ $tinyurl = $currtiny{$key};
+ &Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600);
+ }
+ }
+ if ($tinyurl ne '') {
+ my ($cnum,$symb) = split(/\&/,$tinyurl);
+ if (($cnum =~ /^$match_courseid$/) &&
+ (&Apache::lonnet::homeserver($cnum,$cdom) ne 'no_host')) {
+ if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
+ my ($map,$resid,$url) = &Apache::lonnet::decode_symb($symb);
+ if (&Apache::lonnet::is_on_map($url)) {
+ my $realuri;
+ if ((&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) &&
+ (!$env{'request.role.adv'})) {
+ $env{'user.error.msg'}=$r->uri.':bre:1:1:Access to resource denied';
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ if ((&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i) &&
+ (!$env{'request.role.adv'})) {
+ $realuri = &Apache::lonenc::encrypted(&Apache::lonnet::clutter($url));
+ if (($url =~ /\.sequence$/) &&
+ ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement')) {
+ $realuri .= '?navmap=1';
+ } else {
+ $realuri .= '?symb='.&Apache::lonenc::encrypted($symb);
+ }
+ } else {
+ $realuri = &Apache::lonnet::clutter($url);
+ if (($url =~ /\.sequence$/) &&
+ ($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement')) {
+ $realuri .= '?navmap=1';
+ } else {
+ $realuri .= '?symb='.$symb;
+ }
+ }
+ my $host = $r->headers_in->get('Host');
+ if ($host) {
+ my $protocol = 'http';
+ if ($r->get_server_port == 443) {
+ $protocol = 'https';
+ }
+ my $location = $protocol.'://'.$host.$realuri;
+ $r->headers_out->set(Location => $location);
+ return REDIRECT;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } elsif ($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__
-
-
-
-
-
-
500 Internal Server Error
Internal Server Error
The server encountered an internal error or
misconfiguration and was unable to complete
your request.
Please contact the server administrator at
root@localhost to inform them of the time this error occurred,
and the actions you performed just before this error.
More information about this error may be available
in the server error log.