version 1.2, 2002/08/08 13:45:21
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version 1.14.10.2.2.3, 2022/07/08 16:17:26
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Line 30 package Apache::lontrans;
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Line 30 package Apache::lontrans;
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use strict; |
use strict; |
use Apache::Constants qw(:common :remotehost); |
use Apache::Constants qw(:common :remotehost); |
use Apache::lonnet(); |
use Apache::lonnet; |
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use Apache::loncommon; |
use Apache::File(); |
use Apache::File(); |
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use LONCAPA qw(:DEFAULT :match); |
sub propath { |
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my ($udom,$uname)=@_; |
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$udom=~s/\W//g; |
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$uname=~s/\W//g; |
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my $subdir=$uname.'__'; |
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$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
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my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
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return $proname; |
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} |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
unless ($r->uri=~/^\/uploaded\//) { return DECLINED; } |
# FIXME line remove when mod_perl fixes BUG#4948 |
my ($dum1,$dum2,$udom,$uname,$ufile)=split(/\//,$r->uri); |
$r->notes->set('error-notes' => ''); |
$ufile=~s/^[\~\.]+//; |
my $alias = &Apache::lonnet::get_proxy_alias(); |
$r->filename(&propath($udom,$uname).'/userfiles/'.$ufile); |
if ($alias) { |
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my $hdrhost = $r->headers_in->get('Host'); |
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my $lonhost = $r->dir_config('lonHostID'); |
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my $hostname = &Apache::lonnet::hostname($lonhost); |
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my $ssourl = '/adm/sso'; |
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if ($r->dir_config('lonOtherAuthenUrl') ne '') { |
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$ssourl = $r->dir_config('lonOtherAuthenUrl'); |
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} |
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if (($hdrhost eq $alias) || ($hdrhost eq $hostname)) { |
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my $proxyinfo = &Apache::lonnet::get_proxy_settings($r->dir_config('lonDefDomain')); |
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my ($vpnint,$vpnext); |
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if (ref($proxyinfo) eq 'HASH') { |
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$vpnint = $proxyinfo->{'vpnint'}; |
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$vpnext = $proxyinfo->{'vpnext'}; |
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} |
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my ($redirect,$remote_ip); |
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if ($hdrhost eq $alias) { |
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$remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP); |
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if (($vpnext && &Apache::lonnet::ip_match($remote_ip,$vpnext)) && |
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($r->uri !~ m{^/adm/(lti|launch)/})) { |
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$redirect = $hostname; |
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} |
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if ($r->uri eq $ssourl) { |
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if (&Apache::lonnet::alias_sso($lonhost)) { |
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undef($redirect); |
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} else { |
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$redirect = $hostname; |
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} |
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} |
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if ($redirect eq $hdrhost) { |
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undef($redirect); |
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} |
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} elsif ($hdrhost eq $hostname) { |
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$remote_ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP,1); |
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unless (($remote_ip eq '127.0.0.1') || ($remote_ip eq '::1') || |
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($remote_ip eq &Apache::lonnet::get_host_ip($lonhost)) || |
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($r->uri=~m{^/adm/(lti|launch)/}) || |
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($vpnint && &Apache::lonnet::ip_match($remote_ip,$vpnint))) { |
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$redirect = $alias; |
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if (($r->uri=~m{^/raw/}) || ($r->uri=~m{^/adm/dns/})) { |
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my %iphost = &Apache::lonnet::get_iphost(); |
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if (exists($iphost{$remote_ip})) { |
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undef($redirect); |
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} |
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} elsif ($r->uri eq $ssourl) { |
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unless (&Apache::lonnet::alias_sso($lonhost)) { |
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undef($redirect); |
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} |
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} |
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} |
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} |
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if ($redirect) { |
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my $uri = $r->uri; |
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if (($uri eq '/adm/switchserver') || ($uri =~ m{^/Shibboleth.sso/})) { |
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return DECLINED; |
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} |
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unless (($uri eq '/adm/migrateuser') || ($uri eq $ssourl)) { |
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my %user; |
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my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user); |
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if (($handle) && ($user{'name'} ne '') && ($user{'domain'} ne '')) { |
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unless (($user{'name'} eq 'public') && ($user{'domain'} eq 'public')) { |
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my $dest = '/adm/migrateuser'; |
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my $token = &set_token($r,$dest,$remote_ip,\%user); |
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unless ($token eq '') { |
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$r->internal_redirect("$dest?token=$token"); |
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$r->set_handlers('PerlHandler'=> undef); |
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return DECLINED; |
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} |
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} |
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} |
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} |
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my $protocol = 'http'; |
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my $port = $r->get_server_port(); |
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if ($port eq '443') { |
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$protocol = 'https'; |
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} |
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if ($uri =~ m{^(/adm/css/)(.+)(.css)$}) { |
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$uri = $1.&escape($2).$3; |
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} |
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my $location = $protocol.'://'.$redirect.$uri; |
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if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { |
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my $token = &set_token($r,$r->uri); |
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unless ($token eq '') { |
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$location .= '?ttoken='.$token; |
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} |
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} elsif ($r->args) { |
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$location .= '?'.$r->args; |
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} |
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$r->header_out(Location => $location); |
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return REDIRECT; |
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} |
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} |
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} |
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if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { |
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my $token = &set_token($r,$r->uri); |
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unless ($token eq '') { |
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$r->args('ttoken='.$token); |
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} |
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} |
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if ($r->uri=~m|^(/raw)?/uploaded/|) { |
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my $fn = $r->uri(); |
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$fn=~s/^\/raw//; |
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my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn); |
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if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; } |
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my $chome=&Apache::lonnet::homeserver($uname,$udom); |
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my $allowed=0; |
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my @ids=&Apache::lonnet::current_machine_ids(); |
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foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } } |
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if ($allowed) { |
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$r->filename(&propath($udom,$uname). |
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'/userfiles/'.(join('/',@ufile))); |
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} |
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return OK; |
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} elsif ($r->uri =~ m{^\Q/adm/wrapper/ext/https:/\E[^/]}) { |
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my $uri = $r->uri; |
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$uri =~ s{^(\Q/adm/wrapper/ext/https:/\E)}{$1/}; |
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$r->uri($uri); |
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} |
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return DECLINED; |
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} |
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sub set_token { |
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my ($r,$dest,$remote_ip,$userref) = @_; |
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my (%info,%user); |
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if ($dest eq '/adm/migrateuser') { |
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return unless (ref($userref) eq 'HASH'); |
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%user = %{$userref}; |
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%info = ('ip' => $remote_ip, |
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'domain' => $user{'domain'}, |
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'username' => $user{'name'}, |
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'server' => $r->dir_config('lonHostID'), |
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); |
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} |
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if ($r->args) { |
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foreach my $pair (split(/&/,$r->args)) { |
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my ($name,$value) = split(/=/,$pair); |
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$name = &LONCAPA::unescape($name); |
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next unless (($name eq 'role') || ($name eq 'symb') || |
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($name eq 'ltoken') || ($name eq 'linkkey') || |
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($name eq 'ttoken')); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$info{$name} = $value; |
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} |
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if ($info{'ttoken'}) { |
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my %current = &Apache::lonnet::tmpget($info{'ttoken'}); |
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delete($info{'ttoken'}); |
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if ($current{'origurl'} eq $r->uri) { |
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return if (keys(%current)); |
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} |
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} |
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} |
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# |
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# To be able to support deep-linking for a shortened URL, i.e., |
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# /tiny/$dom/$id with (a) linkkey included in POSTed data and |
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# data and (b) non-Shibboleth SSO in use, ltoken (or linkprot |
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# if sending to /adm/migrateuser), or linkkey are written to a |
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# .tmp file in /home/httpd/perl/tmp and the query string is |
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# replaced with ttoken=tokenid. This does mean other POSTed |
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# data will be discarded. |
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# |
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if ($r->uri =~ m{^/tiny/$match_domain/\w+$}) { |
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unless (($info{'ltoken'}) || ($info{'linkkey'} ne '')) { |
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&Apache::lonacc::get_posted_cgi($r,['linkkey']); |
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if ($env{'form.linkkey'} ne '') { |
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$info{'linkkey'} = $env{'form.linkkey'}; |
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} |
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} |
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} |
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if ($dest eq '/adm/migrateuser') { |
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if ($info{'ltoken'}) { |
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my %link_info = &Apache::lonnet::tmpget($info{'ltoken'}); |
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if ($link_info{'linkprot'}) { |
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$info{'linkprot'} = $link_info{'linkprot'}; |
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foreach my $item ('linkprotuser','linkprotexit') { |
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if ($link_info{$item} ne '') { |
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$info{$item} = $link_info{$item}; |
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} |
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} |
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} |
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&Apache::lonnet::tmpdel($info{'ltoken'}); |
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delete($info{'ltoken'}); |
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} |
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unless ($info{'role'}) { |
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if ($user{'role'} ne '') { |
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$info{'role'} = $user{'role'}; |
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} |
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} |
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unless ($info{'symb'}) { |
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unless ($r->uri eq '/adm/roles') { |
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$info{'origurl'} = $r->uri; |
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} |
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} |
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} |
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if (($dest eq '/adm/migrateuser') || (keys(%info) > 0)) { |
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unless ($dest eq '/adm/migrateuser') { |
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$info{'origurl'} = $r->uri; |
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} |
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my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link'); |
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unless (($token eq 'con_lost') || ($token eq 'refused') || |
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($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { |
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return $token; |
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} |
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} |
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return; |
} |
} |
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1; |
1; |
__END__ |
__END__ |
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