app.py

import requests
import pyrebase
import urllib
from retinaface import RetinaFace
from deepface import DeepFace
from fastapi import FastAPI
import firebase_admin
from firebase_admin import credentials
from decouple import config

app = FastAPI()

@app.get("/")
def read_root():
    return {"Hello": "World"}

@app.get("/verify/")
def verify_image(url1):
    firebase_config = {
    "apiKey": config("FIREBASE_API_KEY"),
    "authDomain": config("FIREBASE_AUTH_DOMAIN"),
    "projectId": config("FIREBASE_PROJECT_ID"),
    "storageBucket": config("FIREBASE_STORAGE_BUCKET"),
    "messagingSenderId": config("FIREBASE_MESSAGING_SENDER_ID"),
    "appId": config("FIREBASE_APP_ID"),
    "databaseURL": config("FIREBASE_DATABASE_URL"),
    "serviceAccount": config("FIREBASE_SERVICE_ACCOUNT_JSON")
}

# Initialize the Firebase app with the service account JSON
    cred = credentials.Certificate(firebase_config['serviceAccount'])
    firebase_admin
    firebase = pyrebase.initialize_app(firebaseConfig)
    storage = firebase.storage()
    path = "Faces/"
    files = storage.bucket.list_blobs(prefix=path)
    flag = False
    # url1 = "https://api.time.com/wp-content/uploads/2023/04/shah-rukh-khan-time100-2023-1.jpg"
    for file in files:
      if (file.name.endswith(".jpg") or file.name.endswith(".jpeg")) :
        # print(file.name)
        url = storage.child(f"{file.name}").get_url(None)
        # print(url)
        with requests.get(url) as response:
          result = DeepFace.verify(f"{url1}",url, model_name="Facenet", distance_metric='cosine')
          if result['verified']:
            flag = True
            start_index = file.name.rfind('/')
            end_index = file.name.rfind('$')
            if start_index != -1 and end_index != -1:
              name = file.name[start_index + 1:end_index]
              return {"username": name}
              break

    if flag == False:
      print("Not Verified")
      return {"username": "Not Found"}