version 1.2, 2002/07/27 19:06:41
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version 1.7, 2002/10/21 19:15:10
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# The LearningOnline Network |
# The LearningOnline Network |
# Low security Access Handler for Token-based access |
# Access Handler for User File Transfers |
# (clearance given by other loncapa host) |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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package Apache::lontokacc; |
package Apache::lontokacc; |
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common :remotehost); |
use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::loncommon(); |
use Apache::File(); |
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use Data::Dumper; |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
my $reqhost = $r->get_remote_host(REMOTE_DOUBLE_REV); |
['token','server']); |
if (!$reqhost && $r->get_remote_host(REMOTE_NOLOOKUP) eq $r->get_server_name()) { |
my $tmpinfo='no_token'; |
$reqhost = $r->get_server_name(); |
if (($ENV{'form.token'}) || ($ENV{'form.server'})) { |
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$tmpinfo=&Apache::lonnet::unescape( |
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&Apache::lonnet::reply('tmpget:'.$ENV{'form.token'}, |
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$ENV{'form.server'})); |
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if ($tmpinfo eq $r->uri) { |
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return OK; |
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} |
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} |
} |
$r->log_reason("Invalid token-based access ".$r->uri.' '.$tmpinfo, |
unless ($reqhost) { |
$r->filename); |
$r->log_reason("Spoof request from ". $reqhost); |
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return FORBIDDEN; |
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} |
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if ($reqhost eq 'localhost.localdomain') { |
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$r->register_cleanup(\&removefile); |
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return OK; |
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} |
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my $readline; |
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my $lontabdir=$r->dir_config('lonTabDir'); |
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{ |
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my $fh; |
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unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) { |
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$r->log_reason("Could not find host tab file"); |
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return FORBIDDEN; |
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} |
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while ($readline=<$fh>) { |
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my ($id,$domain,$role,$name,$ip)=split(/:/,$readline); |
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if ($name =~ /$reqhost/i) { |
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$r->register_cleanup(\&removefile); |
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return OK; |
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} |
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} |
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} |
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$r->log_reason("Invalid request for user file transfer from $reqhost", |
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$r->filename); |
return FORBIDDEN; |
return FORBIDDEN; |
} |
} |
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sub removefile { |
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my $r=shift; |
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if ($r->status==200) { |
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unlink($r->filename); |
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&Apache::lonnet::logthis('Unlinking '.$r->filename); |
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} else { |
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&Apache::lonnet::logthis('Failed to transfer '.$r->filename); |
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} |
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} |
1; |
1; |
__END__ |
__END__ |
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