Archive for the 'javascript' Category

Dockered kaiwa image

Kaiwa is a modern web based client for XMPP, forked from the original O-Talk project and rebranded. I’ve created a docker image from the fork at which is used at amongst others. The docker image can be found at I’ve also created a docker image of the node-xmpp-bosh component that can easily […]

let’s do the timewaste again – or just another example on how some popular JavaScript libraries or frameworks freak me out

Let’s talk about code quality and about quality of documentation. One example. I’m using underscore. So there is ‘findWhere’ on collections. All you can get is “Just like where, but directly returns only the first model in the collection that matches the passed attributes.” Ok, fine, you might say, but what if it doesn’t find […]

Otalk IM

A customer of mine asked for a WebRTC based, self hosted solution. So I started investigating and stumbled upon the great Otalk IM Client. Unfortunately it has not been maintained for a while. I decided to go with it nonetheless. I updated dependencies as required to make them work with latest stable NPM (3.x) and […]

CORS and basic authentication with cowboy and XmlHttpRequest

So this seems to be anything but straight forward so I document here for the sake of it. Note that you may not require an Authorization header for the preflight OPTIONS request, you may not set Access-Control-Allow-Origin to the wildcard in that case but to the originating domain specifically, of course Access-Control-Allow-Credentials must be set […]

WebRTC based Jingle for JSJaC

Thanks to ValĂ©rian Saliou from there’s now an implementation of Jingle for JSJaC. Jingle is a protocol that allows audio and video calls on top of XMPP. The implementation makes use of WebRTC as the underlying transport. And as such by definition it’s the hottest shit. The project is called JSJaCJingle.js and can be […]

Cookie monster’s eating all of my Websockets

Lately I came across to playing around with XMPP Over Websockets. The objective was to get something like page transitions working for Websockets as well as they do with BOSH. With page transitions I mean being able to integrate some XMPP client into a web site that still has the old habit of loading new […]

Introducing Tumblikes

Tumblikes is a webapp based on node.js that allows you to download all your liked posts at Tumblr. It’s useful for backup or offline access. The project is opensource (AGPL) and hosted at Github. For convenience there’s an npm package as well. So you might just want to $ npm install tumblikes If you just […]

JSJaC v1.4

Good news folks: JSJaC v1.4 has just been released. With tons of updates and bugfixes for recent versions of browsers it also comes along with support for Facebook authentication, CORS and websockets. Documentation has been switched to JSDoc3 and improved a lot. Thanks a lot to all the contributors (check github to find out more)! […]

dojo vs. isArray

Some days ago a spent many hours to fix a somewhat broken toJson output from dojo. I’ve been copying around an array between different frames and ended up having an object instead of an array as it should be. Seems Ajaxian has a solution to this array bug now. So please dojo could you please […]