add webpack injection

Makefile

@@ -28,4 +28,4 @@ out/css/base.css: src/style/base.less $(OSTYLES)
 	npx lessc $< > $@
 
 out/js/%.js: src/script/%.coffee
-	npx coffee --no-header -bco $@ $<
+	npx coffee --no-header -co $@ $<

manifest.json

@@ -5,10 +5,6 @@
 
   "description": "Custom theme for Discord",
 
-  "icons": {
-    "48": "ext.png"
-  },
-
   "permissions": [
     "https://raw.githubusercontent.com/Er2ch/diskort/*",
     "*://discord.com/",
@@ -21,6 +17,7 @@
     "persistent": true
   },
 
+  "web_accessible_resources": ["js/webpack.js"],
   "content_scripts": [{
     "matches": ["*://discord.com/*"],
     "js": ["js/inj.js"]

package.json

@@ -3,7 +3,7 @@
   "version": "3.0.0",
   "description": "Custom script and style engine for Discord",
   "dependencies": {
-    "coffeescript": "^2.6.1",
+    "coffeescript": "^2.7.0",
     "lessc": "^1.0.2"
   }
 }

src/script/inj.coffee

@@ -10,6 +10,13 @@
 base = 'https://raw.githubusercontent.com/Er2ch/diskort/main/'
 
 inject = ->
+  # inject webpack reader
+  s = document.createElement 'script'
+  s.setAttribute 'type', 'text/javascript'
+  s.setAttribute 'src', chrome.extension.getURL 'js/webpack.js'
+  document.head.appendChild s
+
+  # inject style
   try
     resp = await fetch base + 'btfl.css'
     text = await resp.text()

src/script/webpack.coffee

@@ -0,0 +1,63 @@
+### DisKort
+# (c) Er2 2022
+# Zlib License
+###
+
+# Find and use Discord obfuscated webpack modules
+window.webpack = {}
+
+# Helper functions
+window.ModGetsAll = =>
+  Object.values webpack.cache
+    .filter (m) => m.exports
+
+window.ModGet = (filt, first = true) =>
+  if Array.isArray filt
+    key = filt
+    filt = (m) => key.every (k) => m.hasOwnProperty(k) or (m.__proto__ and m.__proto__.hasOwnProperty k)
+
+  mods = ModGetsAll()
+  m = []
+  for i of mods
+    continue if not mods.hasOwnProperty i
+    mod = mods[i]
+    {exports} = mod
+    continue if not exports
+    exports = exports.default if exports.default
+    continue if not filt exports
+    return exports if first
+    m.push exports
+
+  first or m.length is 0 and null or m
+
+window.ModGets = (filt) =>
+  ModGet filt, false
+
+window.ModGetName = (name, ret, forev) =>
+  ModGet (m) => m.displayName?.toLowerCase() is name.toLowerCase()
+
+window.WinProps = =>
+  platform: window.platform
+  GLOBAL_ENV: window.GLOBAL_ENV
+  DiscordSentry: window.DiscordSentry
+  __SENTRY__: window.__SENTRY__
+
+console.log 'Welcome to DisKort!'
+
+init = =>
+  while not window.webpackChunkdiscord_app or not window._
+    await new Promise (res) => setTimeout res, 100
+
+  console.log 'Ready to inject'
+
+  webpackChunkdiscord_app.push [
+    [[ 'diskort' ]]
+    {}
+    (r) =>
+      webpack.cache = r.c
+      webpack.require = (m) => r m
+      return
+  ]
+  return
+
+init()