README.md

@@ -11,6 +11,11 @@ All settings for endpoints are configured in query parameters.
 - `identifier`: Bluesky handle
 - `password`: Bluesky password - create an app password in settings
 
+### `/discord`
+
+- `token`: Discord token
+- `cookie`: Cookie header, b64-encoded
+
 ### `/misskey`
 
 - `instance`: Link to your Misskey instance. Include protocol.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "avahooks",
-  "version": "1.0.6",
+  "version": "1.0.5",
   "main": "index.js",
   "scripts": {
     "start": "node ./dist/index.js",

src/translators/discord.ts

@@ -0,0 +1,79 @@
+import { z } from "zod"
+import { translator } from "../lib/types.js"
+import downloadAvatarForPayload from "../lib/downloadAvatarForPayload.js"
+export default translator({
+    query: z.object({
+        token: z.string().describe("Discord token"),
+        cookie: z.string().describe(`Cookie header, b64-encoded`),
+    }),
+    async execute(payload, { token, cookie }) {
+        let avatar = await downloadAvatarForPayload(payload, [
+            "png",
+            "jpeg",
+            undefined,
+        ])
+
+        if (!avatar) throw new Error("discord: failed to get avatar")
+
+        const browser_version = "113.0.5666.197",
+            browser_version_short = browser_version.split(".")[1],
+            client_build_number = "347115", // todo: figure out how to get this?
+            ua = `Mozilla/5.0 (Windows NT 10.0; WOW64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/${browser_version} Safari/537.36`
+
+        // copied from a firefox private browsing window
+        // realistically this will probably need updates in the future
+        // but for now this is good enough
+        let f = await fetch("https://discord.com/api/v9/users/@me", {
+            headers: {
+                "User-Agent": ua,
+                Accept: "*/*",
+                "Accept-Language": "en-US,en;q=0.5",
+                "Content-Type": "application/json",
+                Authorization: token,
+                "X-Super-Properties": Buffer.from(
+                    JSON.stringify({
+                        os: "Windows",
+                        browser: "Chrome",
+                        device: "",
+                        system_locale: "en-US",
+                        browser_user_agent: ua,
+                        browser_version,
+                        os_version: "10",
+                        referrer: "",
+                        referring_domain: "",
+                        referrer_current: "",
+                        referring_domain_current: "",
+                        release_channel: "stable",
+                        client_build_number,
+                        client_event_source: null,
+                    })
+                ).toString("base64"),
+                cookie: Buffer.from(cookie, "base64url").toString(),
+                "X-Discord-Locale": "en-US",
+                "X-Discord-Timezone": "America/Los_Angeles",
+                "X-Debug-Options": "bugReporterEnabled",
+                "Sec-GPC": "1",
+                "Sec-Fetch-Dest": "empty",
+                "Sec-Fetch-Mode": "cors",
+                "Sec-Fetch-Site": "same-origin",
+                "sec-ch-ua-platform": '"Windows"',
+                "sec-ch-ua": `"Google Chrome";v="${browser_version_short}", "Chromium";v="${browser_version_short}", "Not=A?Brand";v="24"`,
+                "sec-ch-ua-mobile": "?0",
+                Priority: "u=0",
+                Referer: "https://discord.com/channels/@me/",
+                Origin: "https://discord.com",
+            },
+            body: JSON.stringify({
+                avatar: `data:${avatar.type};base64,${Buffer.from(
+                    await avatar.arrayBuffer()
+                ).toString("base64")}`,
+            }),
+            method: "PATCH",
+        })
+
+        if (!f.ok)
+            throw new Error(
+                `discord: avatar set failed with ${f.status}: ${await f.text()}`
+            )
+    },
+})