63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
from functools import wraps
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from aiohttp import ClientSession
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from starlette.exceptions import HTTPException
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from strawberry.extensions import Extension
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from settings import AUTH_URL
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from services.db import local_session
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from orm.author import Author
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async def check_auth(req) -> str | None:
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token = req.headers.get("Authorization")
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user_id = ""
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if token:
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# Logging the authentication token
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print(f"[services.auth] checking auth token: {token}")
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query_name = "validate_jwt_token"
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operation = "ValidateToken"
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headers = {
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"Content-Type": "application/json",
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}
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variables = {
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"params": {
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"token_type": "access_token",
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"token": token,
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}
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}
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gql = {
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"query": f"query {operation}($params: ValidateJWTTokenInput!) {{ {query_name}(params: $params) {{ is_valid claims }} }}",
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"variables": variables,
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"operationName": operation,
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}
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try:
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# Asynchronous HTTP request to the authentication server
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async with ClientSession() as session:
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async with session.post(AUTH_URL, json=gql, headers=headers) as response:
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if response.status == 200:
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data = await response.json()
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errors = data.get("errors")
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if errors:
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print(f"[services.auth] errors: {errors}")
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else:
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user_id = data.get("data", {}).get(query_name, {}).get("claims", {}).get("sub")
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return user_id
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except Exception as e:
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# Handling and logging exceptions during authentication check
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print(f"[services.auth] {e}")
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class LoginRequiredMiddleware(Extension):
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async def on_request_start(self):
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context = self.execution_context.context
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req = context.get("request")
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user_id = await check_auth(req)
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if user_id:
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context["user_id"] = user_id
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with local_session() as session:
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author = session.query(Author).filter(Author.user == user_id).first()
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if author:
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context["author_id"] = author.id
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context["user_id"] = user_id or None
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