Re: Security of t:formdata

2008-06-23 Thread Martijn Brinkers (List)
Using ClientPersistentFieldStorage (t:state:client parameter) you can 'inject' arbitary serialiable objects so it would be easy to 'inject' a huge byte array that consumes all memory. Securing this with an HMAC would not be that hard because it only requires changes to Base64ObjectInputStream. I th

Re: Security of t:formdata

2008-06-23 Thread Ivan Dubrov
Howard Lewis Ship wrote: Although you could use this technique (severe hacking of t:formdata) to control what ComponentAction was instantiated at what point in the form submission, the security effects of this are minimal; Tapestry includes only a finite set of ComponentAction classes and each ha

Re: Security of t:formdata

2008-06-20 Thread Andreas Andreou
http://www.hdiv.org/ I've never used this but if its performance is as good as they say, it holds a lot of promise IMHO On Fri, Jun 20, 2008 at 11:57 PM, Howard Lewis Ship <[EMAIL PROTECTED]> wrote: > Although you could use this technique (severe hacking of t:formdata) > to control what Component