--- loncom/lontrans.pm 2006/12/06 22:22:36 1.13 +++ loncom/lontrans.pm 2018/07/26 19:01:25 1.24 @@ -1,7 +1,7 @@ # The LearningOnline Network # URL translation for User Files # -# $Id: lontrans.pm,v 1.13 2006/12/06 22:22:36 albertel Exp $ +# $Id: lontrans.pm,v 1.24 2018/07/26 19:01:25 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,16 +29,101 @@ 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(); -use LONCAPA; - +use LONCAPA qw(:DEFAULT :match); sub handler { my $r = shift; # 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 = $r->headers_in->get('Host'); + if ($r->is_initial_req() || !$host) { + $r->internal_redirect($realuri); + return OK; + } else { + 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//; @@ -52,22 +137,61 @@ sub handler { $r->filename(&propath($udom,$uname). '/userfiles/'.(join('/',@ufile))); } - } elsif ($r->uri=~m|^/~|) { - #internal authentication, needs fixup. - my $fn = $r->uri(); # non users do not get the full path request - # through SCRIPT_FILENAME - $fn=~s|^/~($LONCAPA::username_re)|/home/$1/public_html|; - $r->filename($fn); - } else { return DECLINED; } - return OK; + 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 = 0; + } else { + $redirect = 1; + } + } + if (ref($replication->{'nocertreq'}) eq 'ARRAY') { + if (grep(/^\Q$remintdom\E$/,@{$replication->{'nocertreq'}})) { + $redirect = 1; + } else { + $redirect = 0; + } + } + } + } + } + } + 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.