added data serialization, encryption, and ip subnet checking to spectre

This commit is contained in:
JT Smith 2006-02-08 20:18:00 +00:00
parent 6595290272
commit 75ecd4d7f4
9 changed files with 139 additions and 6 deletions

View file

@ -35,6 +35,8 @@ save you many hours of grief.
POE
POE::Component::IKC::Server
POE::Component::Client::UserAgent
Crypt::Blowfish
Net::Subnets
* The upgrade script is going to convert your WebGUI config files
from the current PlainConfig format to the new JSON format.

View file

@ -320,7 +320,19 @@
# the LDAP server. Note that this will only happen for users
# that have LDAP as their authentication.
"SyncProfilesToLDAP_hour" : 2
"SyncProfilesToLDAP_hour" : 2,
# Define the subnets that WebGUI should expect Spectre communication
# to come from. All other subnets will be ignored. The subnet
# should be listed in CIDR notation.
"spectreSubnets" : [ "127.0.0.1/32" ],
# Define the key that will be used to encrypt communcation
# between Spectre and WebGUI. Note that this must match the
# cryptoKey in the Spectre config file.
"spectreCryptoKey" : "123qwe"
}

View file

@ -2,6 +2,12 @@
{
# Define a key that will be used between Spectre and WebGUI to encrypt
# communication. Note that this key must match the "spectreCryptoKey"
# directive in your WebGUI config files.
"cryptoKey" : "123qwe",
# Define a port for Spectre to run on between 1024 and 65000.
"port" : 32133,

View file

@ -48,7 +48,7 @@ Gracefully shuts down the admin interface.
sub _stop {
my ($kernel, $self) = @_[KERNEL, OBJECT];
print "Stopping WebGUI Admin...";
print "Stopping Spectre...";
undef $self;
$kernel->stop;
print "OK\n";

View file

@ -210,7 +210,17 @@ sub runWorker {
my $url = $job->{sitename}.'/'.$job->{gateway};
$url =~ s/\/\//\//g;
$url = "http://".$url."?op=spectre;instanceId=".$job->{instanceId};
$kernel->post( useragent => 'request', { request => HTTP::Request->new(GET => $url), response => $session->postback('workerResponse') });
my $payload = {
'do'=>'runWorkflow',
instanceId=>$job->{instanceId},
};
my $cipher = Crypt::Blowfish->new($self->{_config}->get("cryptoKey"));
my $request = HTTP::Request->new(POST => $url, Content => { op=>"spectre", payload=>$cipher->encrypt(objToJson($payload)) });
my $cookie = $self->{_cookies}{$job->{sitename}};
$request->header("Cookie","wgSession=".$cookie) if (defined $cookie);
$request->header("User-Agent","Spectre");
$request->header("X-JobId",$job->{instanceId});
$kernel->post( useragent => 'request', { request => $request, response => $session->postback('workerResponse') });
}
#-------------------------------------------------------------------
@ -247,9 +257,16 @@ This method is called when the response from the runWorker() method is received.
sub workerResponse {
my $self = $_[OBJECT];
my ($request, $response, $entry) = @{$_[ARG1]};
my $jobId = ""; # got to figure out how to get this from the request, cuz the response may die
my $jobId = $request->header("X-JobId"); # got to figure out how to get this from the request, cuz the response may die
if ($response->is_success) {
my $state = ""; # get the response
if ($response->header("Cookie") ne "") {
my $cookie = $response->header("Set-Cookie");
$cookie =~ s/wgSession=([a-zA-Z0-9\_\-]{22})/$1/;
$self->{_cookies}{$self->{_jobs}{$jobId}{sitename}} = $cookie;
}
my $cipher = Crypt::Blowfish->new($self->{_config}->get("cryptoKey"));
my $payload = jsonToObj($cipher->decrypt($response->content));
my $state = $payload->{state};
if ($state eq "continue") {
$self->suspendJob($jobId);
} elsif ($state eq "done") {

View file

@ -77,6 +77,7 @@ Returns a hash reference containing operation and package names.
sub getOperations {
return {
'spectre' => 'WebGUI::Operation::Spectre',
'adminConsole' => 'WebGUI::Operation::Admin',
'switchOffAdmin' => 'WebGUI::Operation::Admin',
'switchOnAdmin' => 'WebGUI::Operation::Admin',

View file

@ -0,0 +1,49 @@
package WebGUI::Operation::Spectre;
#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2006 Plain Black Corporation.
#-------------------------------------------------------------------
# Please read the legal notices (docs/legal.txt) and the license
# (docs/license.txt) that came with this distribution before using
# this software.
#-------------------------------------------------------------------
# http://www.plainblack.com info@plainblack.com
#-------------------------------------------------------------------
use strict;
use Crypt::Blowfish;
use JSON;
=head1 NAME
Package WebGUI::Operation::Spectre
=head1 DESCRIPTION
Operation handler for Spectre functions.
=cut
#-------------------------------------------------------------------
=head2 www_spectre ( )
Checks to ensure the requestor is who we think it is, and then executes a spectre function, and returns a data packet.
=cut
sub www_spectre {
my $session = shift;
return $session->privilege->insufficient unless(isInSubnet($session->env->get("REMOTE_ADDR"), $session->config->get("spectreSubnets"));
my $cipher = Crypt::Blowfish->new($session->config->get("spectreCryptoKey"));
my $payload = jsonToObj($cipher->decrypt($session->form->get("payload")));
my $out = {};
if ($payload->{do} eq "runWorkflow") {
# do workflow stuff
}
return $cipher->encrypt(objToJson($out));
}
1;

View file

@ -19,9 +19,10 @@ package WebGUI::Utility;
use Exporter;
use strict;
use Tie::IxHash;
use Net::Subnets;
our @ISA = qw(Exporter);
our @EXPORT = qw(&isBetween &makeTabSafe &makeArrayTabSafe &randomizeHash &commify &randomizeArray
our @EXPORT = qw(&isBetween &makeTabSafe &makeArrayTabSafe &randomizeHash &commify &randomizeArray &isInSubnet
&formatBytes &sortHashDescending &sortHash &isIn &makeCommaSafe &makeArrayCommaSafe &randint &round
);
@ -40,6 +41,7 @@ This package provides miscellaneous but useful utilities to the WebGUI programme
$string = commify($integer);
$size = formatBytes($integer);
$boolean = isIn($value, @array);
$boolean = isInSubnet($ip, \@subnets);
makeArrayCommaSafe(\@array);
makeArrayTabSafe(\@array);
$string = makeCommaSafe($string);
@ -155,6 +157,48 @@ sub isIn {
return 0;
}
#-------------------------------------------------------------------
=head2 isInSubnet ( ipAddress, subnets )
Verifies whether an IP address is in a given subnet. Returns a 1 if it is, undef if there's a formatting error, or 0 if the IP is not in the list of subnets.
=head3 ipAddress
A scalar containing an IP address.
=head3 subnets
An array reference containing subnets in CIDR format. Example: 127.0.0.1/32
=cut
sub isInSubnet {
my $ip = shift;
my $subnets = shift;
# some validation
for my $cidr ( @{ $subnets } ) {
my @parts = $cidr =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)\/(\d+)$/;
unless ( 5 == @parts ) { # cidr has 5 parts
return undef;
}
unless ( 4 == grep { $_ <= 255 } @parts[0..3] ) { # each octet needs to be between 0 and 255
return undef;
}
unless ( $parts[4] <= 32 ) { # the subnet needs to be less than or equal to 32, as 32 represents only 1 ip address
return undef;
}
}
my $net = Net::Subnets->new;
$net->subnets($subnets);
if ($net->check($ip)) {
return 1;
} else {
return 0;
}
}
#-------------------------------------------------------------------
=head2 makeArrayCommaSafe ( array )

View file

@ -78,6 +78,8 @@ checkModule("Template",2.14,2);
checkModule("Parse::PlainConfig",1.1);
checkModule("XML::RSSLite",0.11);
checkModule("JSON",0.991);
checkModule("Net::Subnets",0.21);
checkModule("Crypt::Blowfish",2.10);
checkModule("Finance::Quote",1.08);
checkModule("POE",0.3202);
checkModule("POE::Component::IKC::Server",0.18);