XMPP - 2010-11-05

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The Unhandled Exception

4:25 PM

test

in The Tavern (General), 27 mins ago, by Popular Demand

0

A: Formatting Sandbox

Some Grace Note-inspired abuse: i like this and my first thought was meta-parent linking as you said furthermore i think that it might be good to enable some other very related sites perhaps using the same algorithm used by the close menu ...

2

A: Using Ruby, how can I confirm that an XML snippit is valid?

The actual error in this case is your  . According to XEP-0071, section 8, point 5: Section 11.1 of XMPP Core stipulates that character entities other than the five general entities defined in Section 4.6 of the XML specification (i.e., <, >, &, ', and...

@html.gsub!(/ /,' ') has made chat even more stable!

but it looks like I'll need to do more than that simple regexp

2 hours later…

6:23 PM

I'm supposed to be doing work?

The Unhandled Exception

Yes. Nobody else was able to break chat, so...

21 hours ago, by The Unhandled Exception

1 hour ago, by Fosco

Minecraft Talk

Everything Minecraft, including classic and survival mode

9

chat.stackexchange.com/rooms/28/minecraft-talk

3 hours later…

9:20 PM

now for a yummy, full-on test!

A test... of write support!

The Unhandled Exception

@JoshsSocks Your test failed:

> You must login to post

A test... from a different IP...

The Unhandled Exception

HOLY CRAP

I AM THE WINNER

The Unhandled Exception

@JoshsSocks I am truly impressed

9:30 PM

I HAVE HACKED @balpha 's CHAT

The Unhandled Exception

@JoshsSocks SHUT UP!!!!!

If he closes this hole, write support becomes much harder!

Testing min cookie requirements

The Unhandled Exception

Okie Dokie!

There's a cookie called somusr

This cookie combined with the JavaScript fkey value is all that's necessary to post messages until someone whose name rhymes with "Ralpha" decides to make my life more difficult

so I propose for initial early write support you IM the system something like: /fkey <your-fkey-value>, and /somusr <your somusr cookie value> and then, you can chat!

9:50 PM

XMPP write support here we come\!

I can do all sorts of cool stuff with this...

17:50:24 up 10 days, 7:28, 6 users, load average: 0.01, 0.00, 0.00

17:50:56 up 10 days, 7:29, 6 users, load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
jnet pts/1 cpe-075-177-134- 26Oct10 10days 24:32 24:32 top
jnet pts/2 cpe-075-177-134- 26Oct10 3days 0.39s 0.17s /bin/bash
jnet pts/3 cpe-075-177-134- 26Oct10 5:27m 31.68s 30.50s /usr/bin/ruby .
jnet pts/4 cpe-075-177-134- 26Oct10 29:58 0.19s 0.19s /bin/bash
jnet pts/5 cpe-075-177-134- 26Oct10 0.00s 0.22s 0.21s /bin/bash

10:11 PM

did I hear XMPP write support

The Unhandled Exception

@Sathya You did

I'm working on it now, but

@TheUnhandledException where can I find these values

The Unhandled Exception

@Sathya Check cookies for somusr

Check firebug for fkey

I am still working on writing XMPP write support

So feel free to hold off :-)

ah I'm using CHrome's dev tools

found somusr

The Unhandled Exception

@Sathya That should show it also, lemme see...

10:14 PM

no clue on fkey

The Unhandled Exception

@Sathya in console run: fkey().fkey

is that a function ?

The Unhandled Exception

It's a statement. fkey() is a function

ah

okay. got it.

fkey from chat, and somusr cookie from meta

The Unhandled Exception

Now it's not done yet, but I propose that you (anyone) would msg the XMPP server with fkey <blah>

10:16 PM

@TheUnhandledException somusr is not required ?

The Unhandled Exception

and the server will store it

@Sathya Both are

@TheUnhandledException how did you figure this out ;-s

@Sathya I figured it out!!! I was posting chat messages and watching firebug's console!

I'm a smart sock!!!

@JoshsSocks :-D

The Unhandled Exception

@JoshsSocks Hush or I'll wash you again

10:18 PM

@JoshsSocks i must take firebug lessons from you then

but... he asked me!

user image

Then I just SSHed into the server and did:

cookie=cookieval; fkey=fkeyval

msg="Something to send"

and

curl -b "$cookie" -d "fkey=$fkey&text=$msg" chat.meta.stackoverflow.com/chats/241/messages/new

very nice

then I can just set the shell env var msg to anything:

18:20:57 up 10 days, 7:59, 6 users, load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
jnet pts/1 cpe-075-177-134- 26Oct10 10days 24:35 24:35 top
jnet pts/2 cpe-075-177-134- 26Oct10 3days 0.39s 0.17s /bin/bash
jnet pts/3 cpe-075-177-134- 26Oct10 5:57m 34.62s 33.44s /usr/bin/ruby .
jnet pts/4 cpe-075-177-134- 26Oct10 59:59 0.19s 0.19s /bin/bash
jnet pts/5 cpe-075-177-134- 26Oct10 0.00s 0.22s 0.21s /bin/bash

That came from my datacenter, whereas this message is from my home!

@JoshsSocks :-D

The Unhandled Exception

@JoshsSocks You're a sock. You don't have a datacenter!

Geez

10:24 PM

@TheUnhandledException aw! don't be hard on @JoshsSocks

Dang sockpuppets, getting all uppity with their imaginary data centers and false feelings of independence!

Yeah! I'll give you athlete's foot!

The Unhandled Exception

Ahahaha... this room has become the XMPP room of insanity :-)

Having a sockpuppet account is just. too. much. damn. fun!

3

@Tim did you see that I found a surprisingly easy path to write support?

Yeah, nice :)

How are you going to manage that data though?

The Unhandled Exception

@TimStone Every logged in user already has an instance of the SOXMPP_LoggedInUser class

so all I need to do is add two member variables, fkey and somusr

10:29 PM

Ah, right, that makes sense.

The Unhandled Exception

That object already contains the user's JID, so when an XMPP message comes in, I search for the corresponding SOXMPP_LoggedInUser, extract the vars, and execute an HTTP POST

and wait for balpha to close this security hole

The Unhandled Exception

@JoshsSocks would you please shut up!

@JoshsSocks I don't think that it's a security hole, really.

fkey is non-trivial, so.

Having both pieces of information is unlikely enough given this isn't a super sensitive arena. :P

The Unhandled Exception

Good man @Tim :-)

I guess the only thing I was worried about was that posting from a different IP wouldn't work. But it does and I am thankful!

Meaning @rchern can create a userscript to get the fkey and cookie val over to the XMPP server :-)

10:38 PM

o:

The Unhandled Exception

Then you can say you helped with XMPP!

Hm XMPP component isn't acknowledging my messages...

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