--- loncom/lontrans.pm 2023/07/05 19:22:09 1.14.10.2.2.4 +++ loncom/lontrans.pm 2018/04/17 14:02:56 1.21 @@ -1,7 +1,7 @@ # The LearningOnline Network # URL translation for User Files # -# $Id: lontrans.pm,v 1.14.10.2.2.4 2023/07/05 19:22:09 raeburn Exp $ +# $Id: lontrans.pm,v 1.21 2018/04/17 14:02:56 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,118 +29,152 @@ package Apache::lontrans; use strict; -use Apache::Constants qw(:common :remotehost); +use Apache::Constants qw(:common :remotehost REDIRECT :http); use Apache::lonnet; -use Apache::loncommon; use Apache::File(); use LONCAPA qw(:DEFAULT :match); sub handler { my $r = shift; - # FIXME line remove when mod_perl fixes BUG#4948 + # FIXME line remove when mod_perl fixes BUG#4948 $r->notes->set('error-notes' => ''); - if (($r->uri eq '/adm/service/passback') || - ($r->uri eq '/adm/service/roster')) { - return OK; - } - my $alias = &Apache::lonnet::get_proxy_alias(); - if ($alias) { - my $hdrhost = $r->headers_in->get('Host'); - my $lonhost = $r->dir_config('lonHostID'); - my $hostname = &Apache::lonnet::hostname($lonhost); - my $ssourl = '/adm/sso'; - if ($r->dir_config('lonOtherAuthenUrl') ne '') { - $ssourl = $r->dir_config('lonOtherAuthenUrl'); - } - if (($hdrhost eq $alias) || ($hdrhost eq $hostname)) { - my $proxyinfo = &Apache::lonnet::get_proxy_settings($r->dir_config('lonDefDomain')); - my ($vpnint,$vpnext); - if (ref($proxyinfo) eq 'HASH') { - $vpnint = $proxyinfo->{'vpnint'}; - $vpnext = $proxyinfo->{'vpnext'}; - } - my ($redirect,$remote_ip); - if ($hdrhost eq $alias) { - $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP); - if (($vpnext && &Apache::lonnet::ip_match($remote_ip,$vpnext)) && - ($r->uri !~ m{^/adm/(lti|launch)/})) { - $redirect = $hostname; - } - if ($r->uri eq $ssourl) { - if (&Apache::lonnet::alias_sso($lonhost)) { - undef($redirect); - } else { - $redirect = $hostname; + if ($r->uri =~ m{^/adm/lti/(.+)$}) { + my $realuri = $1; + my %user; + my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user); + if (($handle ne '') && ($user{'lti'})) { + if ($realuri =~ m{^uploaded/$match_domain/$match_courseid/(default|supplemental)(|_\d+)\.(?:sequence|page)___\d+___.+$}) { + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); + } + my ($map,$resid,$url) = split(/___/,$realuri); + $realuri = &Apache::lonnet::clutter($url).'?symb='.$realuri; + } elsif ($realuri =~ m{^res/$match_domain/$match_username/.+\.(?:sequence|page)___\d+___.+$}) { + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); + } + my ($map,$resid,$url) = split(/___/,$realuri); + $realuri = &Apache::lonnet::clutter($url).'?symb='.$realuri; + } elsif ($realuri =~ m{^tiny/$match_domain/\w+$}) { + $realuri = '/'.$realuri; + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); + } + } elsif ($realuri =~ m{($match_domain)/($match_courseid)$}) { + $realuri = '/adm/navmaps'; + if ($user{'ltiuri'} ne '') { + &Apache::lonnet::delenv('request.lti.uri'); + } + } else { + $realuri = '/'.$realuri; + if ($realuri =~ m{/default_\d+\.sequence$}) { + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); } - } - if ($redirect eq $hdrhost) { - undef($redirect); - } - } elsif ($hdrhost eq $hostname) { - $remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP,1); - unless (($remote_ip eq '127.0.0.1') || ($remote_ip eq '::1') || - ($remote_ip eq &Apache::lonnet::get_host_ip($lonhost)) || - ($r->uri=~m{^/adm/(lti|launch)/}) || - ($vpnint && &Apache::lonnet::ip_match($remote_ip,$vpnint))) { - $redirect = $alias; - if (($r->uri=~m{^/raw/}) || ($r->uri=~m{^/adm/dns/})) { - my %iphost = &Apache::lonnet::get_iphost(); - if (exists($iphost{$remote_ip})) { - undef($redirect); - } - } elsif ($r->uri eq $ssourl) { - unless (&Apache::lonnet::alias_sso($lonhost)) { - undef($redirect); - } + $realuri .= (($realuri =~/\?/)?'&':'?').'navmap=1'; + } elsif ($realuri =~ m{^/res/.+\.sequence$}) { + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); } - } - } - if ($redirect) { - my $uri = $r->uri; - if (($uri eq '/adm/switchserver') || ($uri =~ m{^/Shibboleth.sso/})) { - return DECLINED; - } - unless (($uri eq '/adm/migrateuser') || ($uri eq $ssourl)) { - my %user; - my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user); - if (($handle) && ($user{'name'} ne '') && ($user{'domain'} ne '')) { - unless (($user{'name'} eq 'public') && ($user{'domain'} eq 'public')) { - my $dest = '/adm/migrateuser'; - my $token = &set_token($r,$dest,$remote_ip,\%user); - unless ($token eq '') { - $r->internal_redirect("$dest?token=$token"); - $r->set_handlers('PerlHandler'=> undef); - return DECLINED; - } - } + $realuri .= (($realuri =~/\?/)?'&':'?').'navmap=1'; + } elsif ($realuri =~ m{\.page$}) { + if ($user{'ltiuri'} ne $realuri) { + &Apache::lonnet::appenv({'request.lti.uri' => $realuri}); } } + } + my $host = $r->headers_in->get('Host'); + if ($host) { my $protocol = 'http'; - my $port = $r->get_server_port(); - if ($port eq '443') { + if ($r->get_server_port == 443) { $protocol = 'https'; } - if ($uri =~ m{^(/adm/css/)(.+)(.css)$}) { - $uri = $1.&escape($2).$3; - } - my $location = $protocol.'://'.$redirect.$uri; - if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { - my $token = &set_token($r,$r->uri); - unless ($token eq '') { - $location .= '?ttoken='.$token; + my $location = $protocol.'://'.$host.$realuri; + $r->headers_out->set(Location => $location); + return REDIRECT; + } + } + } elsif ($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->args) { - $location .= '?'.$r->args; } - $r->header_out(Location => $location); - return REDIRECT; } } - } - if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { - my $token = &set_token($r,$r->uri); - unless ($token eq '') { - $r->args('ttoken='.$token); + } 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/|) { @@ -157,98 +191,58 @@ sub handler { '/userfiles/'.(join('/',@ufile))); } return OK; - } elsif ($r->uri =~ m{^\Q/adm/wrapper/ext/https:/\E[^/]}) { - my $uri = $r->uri; - $uri =~ s{^(\Q/adm/wrapper/ext/https:/\E)}{$1/}; - $r->uri($uri); + } else { + return DECLINED; } - return DECLINED; } -sub set_token { - my ($r,$dest,$remote_ip,$userref) = @_; - my (%info,%user); - if ($dest eq '/adm/migrateuser') { - return unless (ref($userref) eq 'HASH'); - %user = %{$userref}; - %info = ('ip' => $remote_ip, - 'domain' => $user{'domain'}, - 'username' => $user{'name'}, - 'server' => $r->dir_config('lonHostID'), - ); - } - if ($r->args) { - foreach my $pair (split(/&/,$r->args)) { - my ($name,$value) = split(/=/,$pair); - $name = &LONCAPA::unescape($name); - next unless (($name eq 'role') || ($name eq 'symb') || - ($name eq 'ltoken') || ($name eq 'linkkey') || - ($name eq 'ttoken')); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - $info{$name} = $value; - } - if ($info{'ttoken'}) { - my %current = &Apache::lonnet::tmpget($info{'ttoken'}); - delete($info{'ttoken'}); - if ($current{'origurl'} eq $r->uri) { - return if (keys(%current)); - } - } - } -# -# To be able to support deep-linking for a shortened URL, i.e., -# /tiny/$dom/$id with (a) linkkey included in POSTed data and -# data and (b) non-Shibboleth SSO in use, ltoken (or linkprot -# if sending to /adm/migrateuser), or linkkey are written to a -# .tmp file in /home/httpd/perl/tmp and the query string is -# replaced with ttoken=tokenid. This does mean other POSTed -# data will be discarded. -# - if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { - unless (($info{'ltoken'}) || ($info{'linkkey'} ne '')) { - &Apache::lonacc::get_posted_cgi($r,['linkkey']); - if ($env{'form.linkkey'} ne '') { - $info{'linkkey'} = $env{'form.linkkey'}; - } - } - } - if ($dest eq '/adm/migrateuser') { - if ($info{'ltoken'}) { - my %link_info = &Apache::lonnet::tmpget($info{'ltoken'}); - if ($link_info{'linkprot'}) { - $info{'linkprot'} = $link_info{'linkprot'}; - foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') { - if ($link_info{$item} ne '') { - $info{$item} = $link_info{$item}; +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 { + $redirect = 1; + } + } + } } } } - &Apache::lonnet::tmpdel($info{'ltoken'}); - delete($info{'ltoken'}); - } - unless ($info{'role'}) { - if ($user{'role'} ne '') { - $info{'role'} = $user{'role'}; - } - } - unless ($info{'symb'}) { - unless ($r->uri eq '/adm/roles') { - $info{'origurl'} = $r->uri; - } - } - } - if (($dest eq '/adm/migrateuser') || (keys(%info) > 0)) { - unless ($dest eq '/adm/migrateuser') { - $info{'origurl'} = $r->uri; - } - my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link'); - unless (($token eq 'con_lost') || ($token eq 'refused') || - ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { - return $token; + last; } } - return; + return $redirect; } 1;