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fix: Google Sign-In - Firebase Admin credentials via env var + mobile redirect flow

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This commit is contained in:
Johan Samudio
2026-02-23 19:31:47 -05:00
parent b75c4cc0a7
commit f5fa086356
4 changed files with 96 additions and 15 deletions
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22
backend/app/api/auth/__init__.py
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@ -1,4 +1,5 @@
import os
import json
import shutil
from uuid import uuid4
from typing import Annotated, Optional
@ -12,11 +13,26 @@ from app.schemas.user import PassengerCreate, Token, UserResponse, LoginRequest,
import firebase_admin
from firebase_admin import auth as firebase_auth, credentials
# Initialize Firebase Admin
# Initialize Firebase Admin SDK
# Supports two methods:
# 1. FIREBASE_SERVICE_ACCOUNT_JSON env var with the full JSON as a string (recommended for Render/production)
# 2. GOOGLE_APPLICATION_CREDENTIALS env var pointing to a JSON file path (local dev)
try:
if not firebase_admin._apps:
# Default initialization (uses GOOGLE_APPLICATION_CREDENTIALS)
firebase_admin.initialize_app()
sa_json = os.environ.get("FIREBASE_SERVICE_ACCOUNT_JSON")
if sa_json:
# Parse the JSON string directly from environment variable
sa_dict = json.loads(sa_json)
cred = credentials.Certificate(sa_dict)
firebase_admin.initialize_app(cred)
print("DEBUG: Firebase Admin initialized from FIREBASE_SERVICE_ACCOUNT_JSON env var")
elif os.environ.get("GOOGLE_APPLICATION_CREDENTIALS"):
# Use file path from GOOGLE_APPLICATION_CREDENTIALS
firebase_admin.initialize_app()
print("DEBUG: Firebase Admin initialized from GOOGLE_APPLICATION_CREDENTIALS file")
else:
print("WARNING: No Firebase credentials found. Set FIREBASE_SERVICE_ACCOUNT_JSON or GOOGLE_APPLICATION_CREDENTIALS.")
firebase_admin.initialize_app()
except Exception as e:
print(f"WARNING: Firebase Admin could not be initialized: {e}")