mirror of
https://github.com/not-lucky/GeminiKeyManagement.git
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72 lines
2.9 KiB
Python
72 lines
2.9 KiB
Python
"""
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Functions for handling Google Cloud authentication.
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"""
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import os
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import json
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import logging
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import time
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import google.auth
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from google.oauth2.credentials import Credentials
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import google_auth_oauthlib.flow
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from google_auth_oauthlib.flow import InstalledAppFlow
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from google.auth.transport import requests
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from . import config
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logger = logging.getLogger(__name__)
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def get_and_refresh_credentials(email, max_retries=3, retry_delay=5):
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"""Tries to load and refresh credentials for an email with retries. Does not start interactive flow."""
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token_file = os.path.join(config.CREDENTIALS_DIR, f"{email}.json")
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creds = None
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if os.path.exists(token_file):
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try:
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creds = Credentials.from_authorized_user_file(token_file, config.SCOPES)
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except (ValueError, json.JSONDecodeError):
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logging.warning(f"Could not decode token file for {email}. Re-authentication will be required.")
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return None
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if creds and creds.valid:
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return creds
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if creds and creds.expired and creds.refresh_token:
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for attempt in range(max_retries):
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try:
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logging.info(f"Refreshing credentials for {email} (attempt {attempt + 1}/{max_retries})...")
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creds.refresh(google.auth.transport.requests.Request())
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with open(token_file, "w") as token:
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token.write(creds.to_json())
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logging.info(f"Successfully refreshed credentials for {email}.")
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return creds
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except Exception as e:
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logging.warning(f"Failed to refresh credentials for {email} on attempt {attempt + 1}: {e}")
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if attempt < max_retries - 1:
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time.sleep(retry_delay)
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logging.error(f"Failed to refresh credentials for {email} after {max_retries} attempts.")
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return None
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return None
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def run_interactive_auth(email, max_retries=3, retry_delay=5):
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"""Runs the interactive OAuth2 flow for a given email with retries."""
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for attempt in range(max_retries):
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try:
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logging.info(f"Please authenticate with: {email} (attempt {attempt + 1}/{max_retries})")
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flow = google_auth_oauthlib.flow.InstalledAppFlow.from_client_secrets_file(
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config.CLIENT_SECRETS_FILE, config.SCOPES
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)
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creds = flow.run_local_server(port=0)
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token_file = os.path.join(config.CREDENTIALS_DIR, f"{email}.json")
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with open(token_file, "w") as token:
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token.write(creds.to_json())
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return creds
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except Exception as e:
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logging.error(f"An unexpected error occurred during authentication for {email} on attempt {attempt + 1}: {e}")
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if attempt < max_retries - 1:
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logging.info(f"Retrying authentication in {retry_delay} seconds...")
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time.sleep(retry_delay)
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logging.error(f"Failed to authenticate {email} after {max_retries} attempts.")
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return None
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