Progress so far

app/api/account/authorize/route.ts

@@ -0,0 +1,75 @@
+import axios from 'axios'
+import { db } from "@/lib/db"
+import { NextResponse } from "next/server";
+
+export async function GET(req: Request) {
+    try {
+        const { searchParams } = new URL(req.url)
+        const code = searchParams.get('code') as string
+        const scope = searchParams.get('scope') as string
+        const state = searchParams.get('state') as string
+
+        console.log("CODE:", code)
+        console.log("SCOPE:", scope)
+        console.log("STATE:", state)
+        if (!code || !scope || !state) {
+            return new NextResponse("Bad Request", { status: 400 });
+        }
+        console.log("VERIFY")
+        // Verify state against user id in user table.
+        const user = await db.user.findFirst({
+          where: {
+            id: state
+          }
+        })
+
+        console.log("USER", user)
+        if (!user) {
+          return new NextResponse("Bad Request", { status: 400 });
+        }
+
+        console.log("FETCH TOKEN")
+        // Post to https://id.twitch.tv/oauth2/token
+        const token: { access_token:string, expires_in:number, refresh_token:string, token_type:string, scope:string[] } = (await axios.post("https://id.twitch.tv/oauth2/token", {
+            client_id: process.env.TWITCH_BOT_CLIENT_ID,
+            client_secret: process.env.TWITCH_BOT_CLIENT_SECRET,
+            code: code,
+            grant_type: "authorization_code",
+            redirect_uri: "https://hermes.goblincaves.com/api/account/authorize"
+        })).data
+        console.log("TOKEN", token)
+
+        // Fetch values from token.
+        const { access_token, expires_in, refresh_token, token_type } = token
+        console.log("AT", access_token)
+        console.log("RT", refresh_token)
+        console.log("TT", token_type)
+
+        if (!access_token || !refresh_token || token_type !== "bearer") {
+            return new NextResponse("Unauthorized", { status: 401 });
+        }
+
+        let info = await axios.get("https://api.twitch.tv/helix/users?login=" + user.username, {
+            headers: {
+                "Authorization": "Bearer " + access_token,
+                "Client-Id": process.env.TWITCH_BOT_CLIENT_ID
+            }
+        })
+        console.log(info.data.data)
+        const broadcasterId = info.data.data[0]['id']
+
+        await db.twitchConnection.create({
+          data: {
+            broadcasterId: broadcasterId,
+            accessToken: access_token,
+            refreshToken: refresh_token,
+            userId: state
+          }
+        })
+        
+        return new NextResponse("", { status: 200 });
+    } catch (error) {
+        console.log("[ACCOUNT]", error);
+        return new NextResponse("Internal Error", { status: 500 });
+    }
+}