mirror of
https://github.com/nexy7574/LCC-bot.git
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add account binding endpoints
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parent
67bd19aa1e
commit
00837612d4
1 changed files with 72 additions and 25 deletions
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@ -9,10 +9,11 @@ from datetime import datetime, timezone
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from hashlib import sha512
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from hashlib import sha512
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from http import HTTPStatus
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from http import HTTPStatus
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from pathlib import Path
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from pathlib import Path
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from typing import Optional
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import discord
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import discord
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import httpx
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import httpx
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from fastapi import FastAPI, Header, HTTPException, Request
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from fastapi import FastAPI, Header, HTTPException, Request, status
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from fastapi import WebSocketException as _WSException
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from fastapi import WebSocketException as _WSException
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from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse
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from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse
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from starlette.websockets import WebSocket, WebSocketDisconnect
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from starlette.websockets import WebSocket, WebSocketDisconnect
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@ -64,6 +65,30 @@ app.state.last_sender_ts = datetime.utcnow()
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app.state.ws_connected = Lock()
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app.state.ws_connected = Lock()
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async def get_access_token(code: str):
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response = app.state.http.post(
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"https://discord.com/api/oauth2/token",
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data={
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"grant_type": "authorization_code",
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"code": code,
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"redirect_uri": OAUTH_REDIRECT_URI,
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},
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headers={"Content-Type": "application/x-www-form-urlencoded"}
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auth=(CLIENT_ID, CLIENT_SECRET)
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)
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response.raise_for_status()
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return response.json()
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async def get_authorised_user(access_token: str):
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response = app.state.http.get(
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"https://discord.com/api/users/@me",
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headers={"Authorization": "Bearer " + access_token}
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)
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response.raise_for_status()
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return response.json()
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@app.middleware("http")
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@app.middleware("http")
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async def check_bot_instanced(request, call_next):
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async def check_bot_instanced(request, call_next):
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if not request.app.state.bot:
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if not request.app.state.bot:
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@ -123,32 +148,14 @@ async def authenticate(req: Request, code: str = None, state: str = None):
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else:
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else:
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app.state.states.pop(state)
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app.state.states.pop(state)
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# First, we need to do the auth code flow
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# First, we need to do the auth code flow
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response = app.state.http.post(
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data = await get_access_token(code)
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"https://discord.com/api/oauth2/token",
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data={
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"client_id": OAUTH_ID,
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"client_secret": OAUTH_SECRET,
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"grant_type": "authorization_code",
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"code": code,
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"redirect_uri": OAUTH_REDIRECT_URI,
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},
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)
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if response.status_code != 200:
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raise HTTPException(status_code=response.status_code, detail=response.text)
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data = response.json()
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access_token = data["access_token"]
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access_token = data["access_token"]
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# Now we can generate a token
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# Now we can generate a token
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token = sha512(access_token.encode()).hexdigest()
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token = sha512(access_token.encode()).hexdigest()
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# Now we can get the user's info
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# Now we can get the user's info
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response = app.state.http.get(
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user = await get_authorised_user(access_token)
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"https://discord.com/api/users/@me", headers={"Authorization": "Bearer " + data["access_token"]}
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)
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if response.status_code != 200:
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raise HTTPException(status_code=response.status_code, detail=response.text)
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user = response.json()
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# Now we need to fetch the student from the database
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# Now we need to fetch the student from the database
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student = await get_or_none(AccessTokens, user_id=user["id"])
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student = await get_or_none(AccessTokens, user_id=user["id"])
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@ -330,7 +337,7 @@ async def bridge_recv(ws: WebSocket, secret: str = Header(None)):
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@app.get("/bridge/bind/new")
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@app.get("/bridge/bind/new")
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async def bridge_new_bind(mx_id: str):
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async def bridge_bind_new(mx_id: str):
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"""Begins a new bind session."""
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"""Begins a new bind session."""
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existing: Optional[BridgeBind] = await get_or_none(BridgeBind, matrix_id=mx_id)
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existing: Optional[BridgeBind] = await get_or_none(BridgeBind, matrix_id=mx_id)
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if existing:
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if existing:
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@ -342,6 +349,46 @@ async def bridge_new_bind(mx_id: str):
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token = secrets.token_urlsafe()
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token = secrets.token_urlsafe()
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app.state.binds[token] = mx_id
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app.state.binds[token] = mx_id
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url = discord.utils.oauth_url(
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url = discord.utils.oauth_url(
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OAUTH_ID, redirect_uri=OAUTH_REDIRECT_URI, scopes=("identify", "connections", "guilds", "email")
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OAUTH_ID, redirect_uri=OAUTH_REDIRECT_URI, scopes=("identify")
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)
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) + f"&state={value}&prompt=none"
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+ f"&state={value}&prompt=none"
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return {
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"status": "pending",
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"url": url,
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}
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@app.get("/bridge/bind/callback")
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async def bridge_bind_callback(code: str, state: str):
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"""Finishes the bind."""
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# Getting an entire access token seems like a waste, but oh well. Only need to do this once.
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mx_id = app.state.binds.pop(state, None)
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if not mx_id:
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raise HTTPException(status_code=400, "Invalid state")
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data = await get_access_token(code)
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access_token = data["access_token"]
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user = await get_authorised_user(access_token)
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user_id = int(user["id"])
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await BridgeBind.objects.create(matrix_id=mx_id, user_id=user_id)
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return JSONResponse({"matrix": mx_id, "discord": user_id}, 201)
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@app.delete("/bridge/bind/{mx_id}")
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async def bridge_bind_delete(mx_id: str, code: str = None, state: str = None):
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"""Unbinds a matrix account."""
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existing: Optional[BridgeBind] = await get_or_none(BridgeBind, matrix_id=mx_id)
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if not existing:
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raise HTTPException(404, "Not found")
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if not (code and state) or state not in app.state.binds:
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token = secrets.token_urlsafe()
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app.state.binds[token] = mx_id
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url = discord.utils.oauth_url(
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OAUTH_ID, redirect_uri=OAUTH_REDIRECT_URI, scopes=("identify")
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) + f"&state={value}&prompt=none"
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return JSONResponse({"status": "pending", "url": url})
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else:
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real_mx_id = app.state.binds.pop(state, None)
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if real_mx_id != mx_id:
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raise HTTPException(400, "Invalid state")
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await existing.delete()
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return JSONResponse({"status": "ok"}, 200)
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