From dcc316ff3c30d9a939002f5116c195e4a4f0158e Mon Sep 17 00:00:00 2001
From: Flummi <flummi@f0ck.space>
Date: Sat, 16 Nov 2019 21:11:06 +0100
Subject: [PATCH] own implementation of websockets for slack

---
 package.json          |  3 +--
 src/clients/slack.mjs | 59 +++++++++++++++++++------------------------
 2 files changed, 27 insertions(+), 35 deletions(-)

diff --git a/package.json b/package.json
index 524597c..1fe20f0 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
   "author": "Flummi",
   "license": "ISC",
   "dependencies": {
-    "flumm-fetch-cookies": "git+https://gitfap.de/keinBot/flumm-fetch-cookies",
-    "ws": "^7.2.0"
+    "flumm-fetch-cookies": "git+https://gitfap.de/keinBot/flumm-fetch-cookies"
   }
 }
diff --git a/src/clients/slack.mjs b/src/clients/slack.mjs
index d03ab72..9da05e6 100644
--- a/src/clients/slack.mjs
+++ b/src/clients/slack.mjs
@@ -1,6 +1,7 @@
-import fetch from "flumm-fetch-cookies";
+import https from "https";
+import url from "url";
 import EventEmitter from "events";
-import ws from "ws";
+import fetch from "flumm-fetch-cookies";
 
 export default class slack extends EventEmitter {
   constructor(options) {
@@ -9,14 +10,14 @@ export default class slack extends EventEmitter {
     this.token = options.token || null;
     this.set = this.options.set || "all";
     this.network = "Slack";
-    this.api = `https://slack.com/api`;
+    this.api = "https://slack.com/api";
     this.socket = null;
     this.server = {
       set: this.set,
       channel: null,
       user: null,
       wss: {
-        link: null,
+        url: null,
         socket: null
       },
       me: {}
@@ -32,34 +33,29 @@ export default class slack extends EventEmitter {
     if (!res.ok)
       throw this.emit("data", ["error", res.description]); // more infos
 
-    this.server.me = {
-      id: res.self.id,
-      nickname: res.self.name,
-    };
-    this.server.wss.link = res.url;
-    this.server.team = res.team;
-    this.server.channel = res.channel;
+    this.server.wss.url = url.parse(res.url);
 
-    this.server.wss.socket = new ws(this.server.wss.link, {
-      perMessageDeflate: false
+    https.get({
+      hostname: this.server.wss.url.host,
+      path: this.server.wss.url.path,
+      port: 443,
+      headers: {
+        "Upgrade": "websocket",
+        "Connection": "Upgrade",
+        "Sec-WebSocket-Version": 13,
+        "Sec-WebSocket-Key": new Buffer.from(Array(16).fill().map(e => Math.round(Math.random() * 0xFF))).toString("base64")
+      }
+    }).on("upgrade", (_, sock) => {
+      this.server.wss.socket = sock;
+
+      this.server.wss.socket.on("data", data => {
+        data = JSON.parse(data.slice(data.indexOf("{")).toString());
+        if(data.type !== "message")
+          return false;
+
+        return this.emit("data", ["message", this.reply(data)]);
+      })
     });
-
-    this.server.wss.socket.on("error", error => {
-      console.error(error);
-    });
-
-    this.server.wss.socket.on("message", async data => {
-      data = JSON.parse(data);
-
-      if(data.type !== "message")
-        return false;
-
-      return this.emit("data", ["message", this.reply(data)]);
-    });
-    
-    console.log(res);
-
-    
   }
 
   async send(channel, text) {
@@ -94,9 +90,6 @@ export default class slack extends EventEmitter {
 
   format(msg) {
     return msg.toString()
-      .split("<").join("&lt;")
-      .split(">").join("&gt;")
-      .split("&").join("&amp;")
       .replace(/\[b\](.*?)\[\/b\]/g, "*$1*") // bold
       .replace(/\[s\](.*?)\[\/s\]/g, "~$1~") // strike
       .replace(/\[i\](.*?)\[\/i\]/g, "_$1_") // italic