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Wednesday, 22 May 2013

Project update

May 18, 2012 // 0 Comments

My employer tasked me with updating a single sign on application I wrote a few years ago. The initial one only took me a short while and relied on JSON objects & XMLHttpRequests to authenticate applications/users (both were required). Because I have taken a different approach this time around and researched quite a few topics such as "securing data at rest", "data transmission integrity","s...

jQuery.AJAX plug-in

April 15, 2012 // 0 Comments

Simple wrapper for XMLHttpRequests using jQuery. This wrapper does however support many of the current .ajax() functions configurable parameters in addition to providing some customized header options I perfer to use accross all form posts. See features for more details on this. Fork me @ GitHub - jQuery.AJAX REQUIREMENTS: jQuery libraries (required - http://www.jquery....

Proxies and methods of retrieving the originating IP through HTTP headers and PHP

January 9, 2012 // 0 Comments

Here is a little something I put together tonight because I wanted to return some GeoIP location data but wanted to ensure I am passing the 'true' IP to the service. I can't think of any other headers that might be applicable in returning the IPv4 or IPv6 address a proxy server is forwarding requests for so if anyone has any to add by all means. Here is the example usage (uses cURL & the...

Building a secure development desktop (part 1)

December 24, 2011 // 0 Comments

Background Recently I began experiencing problems running a virtual machine on my development desktop which run as my LAMP server. I took every precaution I could to prevent unnecessary remote access through the use of IPTables and other host based firewalling techniques to limit connections to my VM from my own desktop. Needless to say I lost months of work because it was obviously not good enou...

Patch: Implement SPKAC key creation, validation & public key export for the PHP OpenSSL extension

December 6, 2011 // 0 Comments

Spent my weekend implementing three new functions for PHP. Once you use the patch I submitted this morning it is now very easy to generate, verify and export the public key from the HTML5 KeyGen tag. I submitted the patch in response to a feature request & the internals mailing list for PHP but that was only because a bug report existing asking for this support in the PHP OpenSSL extension. ...

HTML forms auto-saving work...

November 15, 2011 // 0 Comments

Some of you already know I have a project which handles transparent storage of HTML forms within newer HTML5 client storage mechanisms. Recently I was asked about a feature which would make this more useful. Here is a scenario I have myself experienced as I am sure you have as well... While typing into the web site form field my internet connection got lost. I was on page 3 of a 10 page form ...

Transparent encrypted database access with MySQL stored procedures

October 19, 2011 // 0 Comments

I have been writing quite a few stored procedures lately to work with PDO access. The primary reason for using stored procedures and stored functions is so that I can allow access (uniform access to be exact) across multiple languages; iOS, C#, C++, perl, PHP, python, ruby etc... By providing one interface to all of the various languages it creates a simple and uniform access point to perform s...