TIANHE
445e7ac290
- Fix token missing issue after email code registration/login - Add last login time update for code-based login - Support email login in addition to username login - Fix password login for code-registered users (allow setting password) - Fix referral code parameter passing from URL hash - Add email column to user management table - Improve profile page layout (align card heights, reorganize layout) - Add i18n support for Register Bonus, Referral Bonus, Code Lock Minutes, Code Max Attempts - Fix billing service add_credits to support reference_id parameter - Update password handling documentation
518 lines
20 KiB
Python
518 lines
20 KiB
Python
"""
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OAuth Service - Handles Google and GitHub OAuth authentication.
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"""
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import os
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import secrets
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import requests
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from urllib.parse import urlencode
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from datetime import datetime
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from typing import Tuple, Optional, Dict, Any
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from app.utils.db import get_db_connection
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from app.utils.logger import get_logger
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logger = get_logger(__name__)
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# Singleton instance
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_oauth_service = None
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def get_oauth_service():
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"""Get singleton OAuthService instance"""
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global _oauth_service
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if _oauth_service is None:
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_oauth_service = OAuthService()
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return _oauth_service
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class OAuthService:
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"""OAuth service for Google and GitHub authentication"""
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def __init__(self):
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self._load_config()
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def _load_config(self):
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"""Load OAuth configuration from environment variables"""
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# Google OAuth
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self.google_client_id = os.getenv('GOOGLE_CLIENT_ID', '')
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self.google_client_secret = os.getenv('GOOGLE_CLIENT_SECRET', '')
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self.google_redirect_uri = os.getenv('GOOGLE_REDIRECT_URI', '')
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self.google_enabled = bool(self.google_client_id and self.google_client_secret)
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# GitHub OAuth
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self.github_client_id = os.getenv('GITHUB_CLIENT_ID', '')
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self.github_client_secret = os.getenv('GITHUB_CLIENT_SECRET', '')
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self.github_redirect_uri = os.getenv('GITHUB_REDIRECT_URI', '')
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self.github_enabled = bool(self.github_client_id and self.github_client_secret)
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# Frontend URL for redirect after OAuth
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self.frontend_url = os.getenv('FRONTEND_URL', 'http://localhost:8080')
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# State storage (in-memory for simplicity, could use Redis in production)
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self._states = {}
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# =========================================================================
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# Google OAuth
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# =========================================================================
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def get_google_auth_url(self, state: str = None) -> Tuple[str, str]:
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"""
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Generate Google OAuth authorization URL.
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Returns:
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(auth_url, state)
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"""
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if not self.google_enabled:
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return '', ''
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state = state or secrets.token_urlsafe(32)
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self._states[state] = {'provider': 'google', 'created_at': datetime.now()}
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params = {
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'client_id': self.google_client_id,
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'redirect_uri': self.google_redirect_uri,
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'response_type': 'code',
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'scope': 'openid email profile',
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'state': state,
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'access_type': 'offline',
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'prompt': 'select_account'
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}
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auth_url = f"https://accounts.google.com/o/oauth2/v2/auth?{urlencode(params)}"
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return auth_url, state
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def handle_google_callback(self, code: str, state: str) -> Tuple[bool, Dict[str, Any]]:
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"""
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Handle Google OAuth callback.
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Args:
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code: Authorization code from Google
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state: State parameter for CSRF protection
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Returns:
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(success, user_info_or_error)
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"""
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# Validate state
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if state not in self._states or self._states[state].get('provider') != 'google':
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return False, {'error': 'Invalid state parameter'}
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del self._states[state]
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try:
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# Exchange code for tokens
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token_response = requests.post(
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'https://oauth2.googleapis.com/token',
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data={
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'code': code,
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'client_id': self.google_client_id,
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'client_secret': self.google_client_secret,
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'redirect_uri': self.google_redirect_uri,
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'grant_type': 'authorization_code'
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},
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timeout=10
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)
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if token_response.status_code != 200:
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logger.error(f"Google token exchange failed: {token_response.text}")
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return False, {'error': 'Failed to exchange authorization code'}
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tokens = token_response.json()
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access_token = tokens.get('access_token')
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# Get user info
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user_response = requests.get(
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'https://www.googleapis.com/oauth2/v2/userinfo',
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headers={'Authorization': f'Bearer {access_token}'},
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timeout=10
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)
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if user_response.status_code != 200:
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logger.error(f"Google user info failed: {user_response.text}")
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return False, {'error': 'Failed to get user information'}
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user_info = user_response.json()
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return True, {
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'provider': 'google',
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'provider_user_id': user_info.get('id'),
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'email': user_info.get('email'),
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'name': user_info.get('name'),
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'avatar': user_info.get('picture'),
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'access_token': access_token,
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'refresh_token': tokens.get('refresh_token')
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}
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except requests.RequestException as e:
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logger.error(f"Google OAuth error: {e}")
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return False, {'error': 'OAuth service unavailable'}
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# =========================================================================
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# GitHub OAuth
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# =========================================================================
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def get_github_auth_url(self, state: str = None) -> Tuple[str, str]:
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"""
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Generate GitHub OAuth authorization URL.
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Returns:
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(auth_url, state)
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"""
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if not self.github_enabled:
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return '', ''
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state = state or secrets.token_urlsafe(32)
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self._states[state] = {'provider': 'github', 'created_at': datetime.now()}
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params = {
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'client_id': self.github_client_id,
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'redirect_uri': self.github_redirect_uri,
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'scope': 'user:email read:user',
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'state': state
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}
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auth_url = f"https://github.com/login/oauth/authorize?{urlencode(params)}"
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return auth_url, state
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def handle_github_callback(self, code: str, state: str) -> Tuple[bool, Dict[str, Any]]:
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"""
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Handle GitHub OAuth callback.
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Args:
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code: Authorization code from GitHub
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state: State parameter for CSRF protection
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Returns:
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(success, user_info_or_error)
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"""
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# Validate state
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if state not in self._states or self._states[state].get('provider') != 'github':
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return False, {'error': 'Invalid state parameter'}
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del self._states[state]
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try:
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# Exchange code for token
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token_response = requests.post(
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'https://github.com/login/oauth/access_token',
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data={
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'client_id': self.github_client_id,
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'client_secret': self.github_client_secret,
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'code': code,
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'redirect_uri': self.github_redirect_uri
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},
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headers={'Accept': 'application/json'},
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timeout=10
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)
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if token_response.status_code != 200:
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logger.error(f"GitHub token exchange failed: {token_response.text}")
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return False, {'error': 'Failed to exchange authorization code'}
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tokens = token_response.json()
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access_token = tokens.get('access_token')
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if not access_token:
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error = tokens.get('error_description', 'Unknown error')
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logger.error(f"GitHub token error: {error}")
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return False, {'error': error}
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# Get user info
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user_response = requests.get(
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'https://api.github.com/user',
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headers={
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'Authorization': f'Bearer {access_token}',
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'Accept': 'application/vnd.github.v3+json'
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},
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timeout=10
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)
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if user_response.status_code != 200:
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logger.error(f"GitHub user info failed: {user_response.text}")
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return False, {'error': 'Failed to get user information'}
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user_info = user_response.json()
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# Get user email (might be private)
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email = user_info.get('email')
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if not email:
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email_response = requests.get(
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'https://api.github.com/user/emails',
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headers={
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'Authorization': f'Bearer {access_token}',
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'Accept': 'application/vnd.github.v3+json'
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},
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timeout=10
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)
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if email_response.status_code == 200:
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emails = email_response.json()
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# Find primary email
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for e in emails:
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if e.get('primary') and e.get('verified'):
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email = e.get('email')
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break
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# Fallback to any verified email
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if not email:
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for e in emails:
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if e.get('verified'):
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email = e.get('email')
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break
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return True, {
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'provider': 'github',
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'provider_user_id': str(user_info.get('id')),
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'email': email,
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'name': user_info.get('name') or user_info.get('login'),
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'avatar': user_info.get('avatar_url'),
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'access_token': access_token,
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'refresh_token': None # GitHub doesn't use refresh tokens
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}
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except requests.RequestException as e:
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logger.error(f"GitHub OAuth error: {e}")
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return False, {'error': 'OAuth service unavailable'}
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# =========================================================================
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# OAuth Link Management
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# =========================================================================
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def get_or_create_user_from_oauth(self, oauth_info: Dict[str, Any]) -> Tuple[bool, Dict[str, Any]]:
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"""
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Get existing user or create new user from OAuth info.
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Args:
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oauth_info: Dict with provider, provider_user_id, email, name, avatar, tokens
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Returns:
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(success, user_or_error)
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"""
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provider = oauth_info['provider']
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provider_user_id = oauth_info['provider_user_id']
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email = oauth_info.get('email')
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name = oauth_info.get('name', '')
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avatar = oauth_info.get('avatar', '/avatar2.jpg')
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try:
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with get_db_connection() as db:
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cur = db.cursor()
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# Check if OAuth link exists
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cur.execute(
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"""
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SELECT user_id FROM qd_oauth_links
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WHERE provider = ? AND provider_user_id = ?
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""",
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(provider, provider_user_id)
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)
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link = cur.fetchone()
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if link:
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# Existing OAuth link - get user
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user_id = link['user_id']
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cur.execute(
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"""
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SELECT id, username, email, nickname, avatar, status, role
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FROM qd_users WHERE id = ?
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""",
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(user_id,)
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)
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user = cur.fetchone()
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if user:
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# Update OAuth tokens
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cur.execute(
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"""
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UPDATE qd_oauth_links
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SET access_token = ?, refresh_token = ?, updated_at = NOW()
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WHERE provider = ? AND provider_user_id = ?
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""",
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(oauth_info.get('access_token'), oauth_info.get('refresh_token'),
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provider, provider_user_id)
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)
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# Update last login
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cur.execute(
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"UPDATE qd_users SET last_login_at = NOW() WHERE id = ?",
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(user_id,)
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)
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db.commit()
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cur.close()
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return True, dict(user)
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else:
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# Orphaned OAuth link - remove it
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cur.execute(
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"DELETE FROM qd_oauth_links WHERE provider = ? AND provider_user_id = ?",
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(provider, provider_user_id)
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)
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db.commit()
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# Check if user exists with same email
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if email:
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cur.execute(
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"""
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SELECT id, username, email, nickname, avatar, status, role
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FROM qd_users WHERE email = ?
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""",
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(email,)
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)
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existing_user = cur.fetchone()
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if existing_user:
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# Link OAuth to existing user
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cur.execute(
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"""
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INSERT INTO qd_oauth_links
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(user_id, provider, provider_user_id, provider_email,
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provider_name, provider_avatar, access_token, refresh_token)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?)
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""",
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(existing_user['id'], provider, provider_user_id, email,
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name, avatar, oauth_info.get('access_token'),
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oauth_info.get('refresh_token'))
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)
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cur.execute(
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"UPDATE qd_users SET last_login_at = NOW() WHERE id = ?",
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(existing_user['id'],)
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)
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db.commit()
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cur.close()
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return True, dict(existing_user)
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# Create new user
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# Generate unique username from OAuth name or email
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base_username = (name or email.split('@')[0] if email else provider_user_id)
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base_username = ''.join(c for c in base_username if c.isalnum() or c in '_-')[:30]
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username = base_username
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# Ensure username is unique
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counter = 1
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while True:
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cur.execute("SELECT id FROM qd_users WHERE username = ?", (username,))
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if not cur.fetchone():
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break
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username = f"{base_username}_{counter}"
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counter += 1
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# Generate a random password (user won't need it for OAuth login)
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import secrets
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random_password = secrets.token_urlsafe(32)
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from app.services.user_service import get_user_service
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password_hash = get_user_service().hash_password(random_password)
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# Ensure email is unique or generate placeholder
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if email:
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cur.execute("SELECT id FROM qd_users WHERE email = ?", (email,))
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if cur.fetchone():
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email = f"{provider}_{provider_user_id}@oauth.local"
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else:
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email = f"{provider}_{provider_user_id}@oauth.local"
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# Insert new user
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cur.execute(
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"""
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INSERT INTO qd_users
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(username, password_hash, email, nickname, avatar, status, role, email_verified)
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VALUES (?, ?, ?, ?, ?, 'active', 'user', TRUE)
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""",
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(username, password_hash, email, name or username, avatar or '/avatar2.jpg')
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)
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user_id = cur.lastrowid
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# Create OAuth link
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cur.execute(
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"""
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INSERT INTO qd_oauth_links
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(user_id, provider, provider_user_id, provider_email,
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provider_name, provider_avatar, access_token, refresh_token)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?)
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""",
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(user_id, provider, provider_user_id, oauth_info.get('email'),
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name, avatar, oauth_info.get('access_token'),
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oauth_info.get('refresh_token'))
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)
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db.commit()
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cur.close()
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return True, {
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'id': user_id,
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'username': username,
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'email': email,
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'nickname': name or username,
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'avatar': avatar or '/avatar2.jpg',
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'status': 'active',
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'role': 'user'
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}
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except Exception as e:
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logger.error(f"OAuth user creation failed: {e}")
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return False, {'error': 'Failed to create user account'}
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def get_user_oauth_links(self, user_id: int) -> list:
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"""Get all OAuth links for a user"""
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try:
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with get_db_connection() as db:
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cur = db.cursor()
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cur.execute(
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"""
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SELECT provider, provider_email, provider_name, created_at
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FROM qd_oauth_links WHERE user_id = ?
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""",
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(user_id,)
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)
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links = cur.fetchall()
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cur.close()
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return [dict(link) for link in links] if links else []
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except Exception as e:
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logger.error(f"Failed to get OAuth links: {e}")
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return []
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def unlink_oauth(self, user_id: int, provider: str) -> Tuple[bool, str]:
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"""Unlink an OAuth provider from user account"""
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try:
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with get_db_connection() as db:
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cur = db.cursor()
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# Check if user has password (can't unlink last auth method)
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cur.execute(
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"SELECT password_hash FROM qd_users WHERE id = ?",
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(user_id,)
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)
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user = cur.fetchone()
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if not user or not user['password_hash']:
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# Check if this is the only OAuth link
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cur.execute(
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"SELECT COUNT(*) as count FROM qd_oauth_links WHERE user_id = ?",
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(user_id,)
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)
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count = cur.fetchone()['count']
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if count <= 1:
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cur.close()
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return False, 'Cannot unlink the only authentication method'
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cur.execute(
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"DELETE FROM qd_oauth_links WHERE user_id = ? AND provider = ?",
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(user_id, provider)
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)
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db.commit()
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cur.close()
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return True, 'unlinked'
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except Exception as e:
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logger.error(f"Failed to unlink OAuth: {e}")
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return False, 'Failed to unlink account'
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# =========================================================================
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# Cleanup
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# =========================================================================
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def cleanup_expired_states(self, max_age_minutes: int = 10):
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"""Clean up expired OAuth states"""
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cutoff = datetime.now()
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from datetime import timedelta
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cutoff = cutoff - timedelta(minutes=max_age_minutes)
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expired = [k for k, v in self._states.items()
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if v.get('created_at', datetime.now()) < cutoff]
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for k in expired:
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del self._states[k]
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