NOTICE NOTICE NOTICE
NOT WORKING AS OF 2022-01-11. MAYBE IN THE SUMMER OF 2022. SORRY.
OK, so in this repository I will try to create a bitlbee plugin for whatsapp. With C. Dunno what will happen. Lets see.
Why the name? It means the next try of creating bilbee plugin for whatsapp. Because other people have tried and projects are now non-functioning or dormant. Or written with exotic languages. This project will die also one day but I will try now to make it work.
Protocol specs for Whatsapp Web api (we will use this) is here: https://github.com/sigalor/whatsapp-web-reveng
It seems we need Websockets library for C.
Somebody has made a list:
https://github.com/facundofarias/awesome-websockets#c
This is available on both Debian 9 and 10 and Ubuntu 16.04 LTS: https://libwebsockets.org/
This is available on Debian 10 only: https://github.com/tatsuhiro-t/wslay
So maybe eventually libwebsockets7 (v. 1.7.1) as in Ubuntu?
Need some kind of library for QR-code authorization, one that can output the authorization code to a .gif or .png for authroization.
So maybe minimum libqrencode3 as it is also with that old Ubuntu LTS?
http://megaui.net/fukuchi/works/qrencode/index.en.html
The QR code needs to be actually outputted as a valid format. PNG is cool. So its something like libpng16. Exists also in that old LTS.
http://libpng.org/pub/png/libpng.html
Some kind of AES library is needed probably. This looks good: https://github.com/kokke/tiny-AES-c
Make test binary for writing big arbitrary QR code PNG files.
Make test binary for authorizing clients. It will store encryption keys which can be transferred to the plugin resource directory. Or via irc AUTH? Need to think a bit.
Build system should be more or less the same as with bitlbee-facebook, right? I have never used anything like this before, only pure makefiles.
Best to start on Ubuntu 16.04 LTS. Then learn autogen/autowhatever framework by copying and modifying files until shit compiles. There were alternatives, but better not rock the boat with something different from for example bitlbee-facebook.
Confirming from Debian 10 that autogen.sh is successful. Going back to Ubuntu 16.04 to continue development though.
It seems Whatsapp Web version keeps changing, so keep it configurable easily.
Damn, things are getting so fragmented if we keep clinging on Ubuntu 16.04 LTS. We already needed, or "needed" external curve 25519 and base64 libraries. A big problem will be possible SSL certificate verification and extraction.
Good example: https://stackoverflow.com/questions/30904560/libwebsocket-client-example
Probably even better example: https://github.com/iamscottmoyers/simple-libwebsockets-example/blob/master/client.c
Ok nice, it seems https://www.websocket.org/echo.html works with current implemation. And the current Whatsapp connection does not.
Why have separate setting for Whatsapp Web version? See: sigalor/whatsapp-web-reveng#272 It says: "JS demo is not working I tried to run the latest index_jsdemo.js in local and share the web session. I am able to start the local server , the QR code that got generated is not valid to start the web session sharing. Any idea?? You need to update Whatsapp Web version to "0,4,2081"."
Every websocket library has some stupidities so at some point I started to create my own.
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