Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/pyrebase/pyrebase.py

572 lines
21 KiB
Python
Raw Permalink Normal View History

import requests
from requests import Session
from requests.exceptions import HTTPError
try:
from urllib.parse import urlencode, quote
except:
from urllib import urlencode, quote
import json
import math
from random import uniform
import time
from collections import OrderedDict
from sseclient import SSEClient
import threading
import socket
from oauth2client.service_account import ServiceAccountCredentials
from gcloud import storage
from requests.packages.urllib3.contrib.appengine import is_appengine_sandbox
from requests_toolbelt.adapters import appengine
import python_jwt as jwt
from Crypto.PublicKey import RSA
import datetime
def initialize_app(config):
return Firebase(config)
class Firebase:
""" Firebase Interface """
def __init__(self, config):
self.api_key = config["apiKey"]
self.auth_domain = config["authDomain"]
self.database_url = config["databaseURL"]
self.storage_bucket = config["storageBucket"]
self.credentials = None
self.requests = requests.Session()
if config.get("serviceAccount"):
scopes = [
'https://www.googleapis.com/auth/firebase.database',
'https://www.googleapis.com/auth/userinfo.email',
"https://www.googleapis.com/auth/cloud-platform"
]
service_account_type = type(config["serviceAccount"])
if service_account_type is str:
self.credentials = ServiceAccountCredentials.from_json_keyfile_name(config["serviceAccount"], scopes)
if service_account_type is dict:
self.credentials = ServiceAccountCredentials.from_json_keyfile_dict(config["serviceAccount"], scopes)
if is_appengine_sandbox():
# Fix error in standard GAE environment
# is releated to https://github.com/kennethreitz/requests/issues/3187
# ProtocolError('Connection aborted.', error(13, 'Permission denied'))
adapter = appengine.AppEngineAdapter(max_retries=3)
else:
adapter = requests.adapters.HTTPAdapter(max_retries=3)
for scheme in ('http://', 'https://'):
self.requests.mount(scheme, adapter)
def auth(self):
return Auth(self.api_key, self.requests, self.credentials)
def database(self):
return Database(self.credentials, self.api_key, self.database_url, self.requests)
def storage(self):
return Storage(self.credentials, self.storage_bucket, self.requests)
class Auth:
""" Authentication Service """
def __init__(self, api_key, requests, credentials):
self.api_key = api_key
self.current_user = None
self.requests = requests
self.credentials = credentials
def sign_in_with_email_and_password(self, email, password):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/verifyPassword?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"email": email, "password": password, "returnSecureToken": True})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
self.current_user = request_object.json()
return request_object.json()
def create_custom_token(self, uid, additional_claims=None):
service_account_email = self.credentials.service_account_email
private_key = RSA.importKey(self.credentials._private_key_pkcs8_pem)
payload = {
"iss": service_account_email,
"sub": service_account_email,
"aud": "https://identitytoolkit.googleapis.com/google.identity.identitytoolkit.v1.IdentityToolkit",
"uid": uid
}
if additional_claims:
payload["claims"] = additional_claims
exp = datetime.timedelta(minutes=60)
return jwt.generate_jwt(payload, private_key, "RS256", exp)
def sign_in_with_custom_token(self, token):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/verifyCustomToken?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"returnSecureToken": True, "token": token})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
def refresh(self, refresh_token):
request_ref = "https://securetoken.googleapis.com/v1/token?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"grantType": "refresh_token", "refreshToken": refresh_token})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
request_object_json = request_object.json()
# handle weirdly formatted response
user = {
"userId": request_object_json["user_id"],
"idToken": request_object_json["id_token"],
"refreshToken": request_object_json["refresh_token"]
}
return user
def get_account_info(self, id_token):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/getAccountInfo?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"idToken": id_token})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
def send_email_verification(self, id_token):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/getOobConfirmationCode?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"requestType": "VERIFY_EMAIL", "idToken": id_token})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
def send_password_reset_email(self, email):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/getOobConfirmationCode?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"requestType": "PASSWORD_RESET", "email": email})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
def verify_password_reset_code(self, reset_code, new_password):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/resetPassword?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8"}
data = json.dumps({"oobCode": reset_code, "newPassword": new_password})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
def create_user_with_email_and_password(self, email, password):
request_ref = "https://www.googleapis.com/identitytoolkit/v3/relyingparty/signupNewUser?key={0}".format(self.api_key)
headers = {"content-type": "application/json; charset=UTF-8" }
data = json.dumps({"email": email, "password": password, "returnSecureToken": True})
request_object = requests.post(request_ref, headers=headers, data=data)
raise_detailed_error(request_object)
return request_object.json()
class Database:
""" Database Service """
def __init__(self, credentials, api_key, database_url, requests):
if not database_url.endswith('/'):
url = ''.join([database_url, '/'])
else:
url = database_url
self.credentials = credentials
self.api_key = api_key
self.database_url = url
self.requests = requests
self.path = ""
self.build_query = {}
self.last_push_time = 0
self.last_rand_chars = []
def order_by_key(self):
self.build_query["orderBy"] = "$key"
return self
def order_by_value(self):
self.build_query["orderBy"] = "$value"
return self
def order_by_child(self, order):
self.build_query["orderBy"] = order
return self
def start_at(self, start):
self.build_query["startAt"] = start
return self
def end_at(self, end):
self.build_query["endAt"] = end
return self
def equal_to(self, equal):
self.build_query["equalTo"] = equal
return self
def limit_to_first(self, limit_first):
self.build_query["limitToFirst"] = limit_first
return self
def limit_to_last(self, limit_last):
self.build_query["limitToLast"] = limit_last
return self
def shallow(self):
self.build_query["shallow"] = True
return self
def child(self, *args):
new_path = "/".join([str(arg) for arg in args])
if self.path:
self.path += "/{}".format(new_path)
else:
if new_path.startswith("/"):
new_path = new_path[1:]
self.path = new_path
return self
def build_request_url(self, token):
parameters = {}
if token:
parameters['auth'] = token
for param in list(self.build_query):
if type(self.build_query[param]) is str:
parameters[param] = quote('"' + self.build_query[param] + '"')
elif type(self.build_query[param]) is bool:
parameters[param] = "true" if self.build_query[param] else "false"
else:
parameters[param] = self.build_query[param]
# reset path and build_query for next query
request_ref = '{0}{1}.json?{2}'.format(self.database_url, self.path, urlencode(parameters))
self.path = ""
self.build_query = {}
return request_ref
def build_headers(self, token=None):
headers = {"content-type": "application/json; charset=UTF-8"}
if not token and self.credentials:
access_token = self.credentials.get_access_token().access_token
headers['Authorization'] = 'Bearer ' + access_token
return headers
def get(self, token=None, json_kwargs={}):
build_query = self.build_query
query_key = self.path.split("/")[-1]
request_ref = self.build_request_url(token)
# headers
headers = self.build_headers(token)
# do request
request_object = self.requests.get(request_ref, headers=headers)
raise_detailed_error(request_object)
request_dict = request_object.json(**json_kwargs)
# if primitive or simple query return
if isinstance(request_dict, list):
return PyreResponse(convert_list_to_pyre(request_dict), query_key)
if not isinstance(request_dict, dict):
return PyreResponse(request_dict, query_key)
if not build_query:
return PyreResponse(convert_to_pyre(request_dict.items()), query_key)
# return keys if shallow
if build_query.get("shallow"):
return PyreResponse(request_dict.keys(), query_key)
# otherwise sort
sorted_response = None
if build_query.get("orderBy"):
if build_query["orderBy"] == "$key":
sorted_response = sorted(request_dict.items(), key=lambda item: item[0])
elif build_query["orderBy"] == "$value":
sorted_response = sorted(request_dict.items(), key=lambda item: item[1])
else:
sorted_response = sorted(request_dict.items(), key=lambda item: item[1][build_query["orderBy"]])
return PyreResponse(convert_to_pyre(sorted_response), query_key)
def push(self, data, token=None, json_kwargs={}):
request_ref = self.check_token(self.database_url, self.path, token)
self.path = ""
headers = self.build_headers(token)
request_object = self.requests.post(request_ref, headers=headers, data=json.dumps(data, **json_kwargs).encode("utf-8"))
raise_detailed_error(request_object)
return request_object.json()
def set(self, data, token=None, json_kwargs={}):
request_ref = self.check_token(self.database_url, self.path, token)
self.path = ""
headers = self.build_headers(token)
request_object = self.requests.put(request_ref, headers=headers, data=json.dumps(data, **json_kwargs).encode("utf-8"))
raise_detailed_error(request_object)
return request_object.json()
def update(self, data, token=None, json_kwargs={}):
request_ref = self.check_token(self.database_url, self.path, token)
self.path = ""
headers = self.build_headers(token)
request_object = self.requests.patch(request_ref, headers=headers, data=json.dumps(data, **json_kwargs).encode("utf-8"))
raise_detailed_error(request_object)
return request_object.json()
def remove(self, token=None):
request_ref = self.check_token(self.database_url, self.path, token)
self.path = ""
headers = self.build_headers(token)
request_object = self.requests.delete(request_ref, headers=headers)
raise_detailed_error(request_object)
return request_object.json()
def stream(self, stream_handler, token=None, stream_id=None):
request_ref = self.build_request_url(token)
return Stream(request_ref, stream_handler, self.build_headers, stream_id)
def check_token(self, database_url, path, token):
if token:
return '{0}{1}.json?auth={2}'.format(database_url, path, token)
else:
return '{0}{1}.json'.format(database_url, path)
def generate_key(self):
push_chars = '-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz'
now = int(time.time() * 1000)
duplicate_time = now == self.last_push_time
self.last_push_time = now
time_stamp_chars = [0] * 8
for i in reversed(range(0, 8)):
time_stamp_chars[i] = push_chars[now % 64]
now = int(math.floor(now / 64))
new_id = "".join(time_stamp_chars)
if not duplicate_time:
for i in range(0, 12):
self.last_rand_chars.append(int(math.floor(uniform(0, 1) * 64)))
else:
for i in range(0, 11):
if self.last_rand_chars[i] == 63:
self.last_rand_chars[i] = 0
self.last_rand_chars[i] += 1
for i in range(0, 12):
new_id += push_chars[self.last_rand_chars[i]]
return new_id
def sort(self, origin, by_key):
# unpack pyre objects
pyres = origin.each()
new_list = []
for pyre in pyres:
new_list.append(pyre.item)
# sort
data = sorted(dict(new_list).items(), key=lambda item: item[1][by_key])
return PyreResponse(convert_to_pyre(data), origin.key())
class Storage:
""" Storage Service """
def __init__(self, credentials, storage_bucket, requests):
self.storage_bucket = "https://firebasestorage.googleapis.com/v0/b/" + storage_bucket
self.credentials = credentials
self.requests = requests
self.path = ""
if credentials:
client = storage.Client(credentials=credentials, project=storage_bucket)
self.bucket = client.get_bucket(storage_bucket)
def child(self, *args):
new_path = "/".join(args)
if self.path:
self.path += "/{}".format(new_path)
else:
if new_path.startswith("/"):
new_path = new_path[1:]
self.path = new_path
return self
def put(self, file, token=None):
# reset path
path = self.path
self.path = None
if isinstance(file, str):
file_object = open(file, 'rb')
else:
file_object = file
request_ref = self.storage_bucket + "/o?name={0}".format(path)
if token:
headers = {"Authorization": "Firebase " + token}
request_object = self.requests.post(request_ref, headers=headers, data=file_object)
raise_detailed_error(request_object)
return request_object.json()
elif self.credentials:
blob = self.bucket.blob(path)
if isinstance(file, str):
return blob.upload_from_filename(filename=file)
else:
return blob.upload_from_file(file_obj=file)
else:
request_object = self.requests.post(request_ref, data=file_object)
raise_detailed_error(request_object)
return request_object.json()
def delete(self, name):
self.bucket.delete_blob(name)
def download(self, filename, token=None):
# remove leading backlash
path = self.path
url = self.get_url(token)
self.path = None
if path.startswith('/'):
path = path[1:]
if self.credentials:
blob = self.bucket.get_blob(path)
blob.download_to_filename(filename)
else:
r = requests.get(url, stream=True)
if r.status_code == 200:
with open(filename, 'wb') as f:
for chunk in r:
f.write(chunk)
def get_url(self, token):
path = self.path
self.path = None
if path.startswith('/'):
path = path[1:]
if token:
return "{0}/o/{1}?alt=media&token={2}".format(self.storage_bucket, quote(path, safe=''), token)
return "{0}/o/{1}?alt=media".format(self.storage_bucket, quote(path, safe=''))
def list_files(self):
return self.bucket.list_blobs()
def raise_detailed_error(request_object):
try:
request_object.raise_for_status()
except HTTPError as e:
# raise detailed error message
# TODO: Check if we get a { "error" : "Permission denied." } and handle automatically
raise HTTPError(e, request_object.text)
def convert_to_pyre(items):
pyre_list = []
for item in items:
pyre_list.append(Pyre(item))
return pyre_list
def convert_list_to_pyre(items):
pyre_list = []
for item in items:
pyre_list.append(Pyre([items.index(item), item]))
return pyre_list
class PyreResponse:
def __init__(self, pyres, query_key):
self.pyres = pyres
self.query_key = query_key
def val(self):
if isinstance(self.pyres, list):
# unpack pyres into OrderedDict
pyre_list = []
# if firebase response was a list
if isinstance(self.pyres[0].key(), int):
for pyre in self.pyres:
pyre_list.append(pyre.val())
return pyre_list
# if firebase response was a dict with keys
for pyre in self.pyres:
pyre_list.append((pyre.key(), pyre.val()))
return OrderedDict(pyre_list)
else:
# return primitive or simple query results
return self.pyres
def key(self):
return self.query_key
def each(self):
if isinstance(self.pyres, list):
return self.pyres
class Pyre:
def __init__(self, item):
self.item = item
def val(self):
return self.item[1]
def key(self):
return self.item[0]
class KeepAuthSession(Session):
"""
A session that doesn't drop Authentication on redirects between domains.
"""
def rebuild_auth(self, prepared_request, response):
pass
class ClosableSSEClient(SSEClient):
def __init__(self, *args, **kwargs):
self.should_connect = True
super(ClosableSSEClient, self).__init__(*args, **kwargs)
def _connect(self):
if self.should_connect:
super(ClosableSSEClient, self)._connect()
else:
raise StopIteration()
def close(self):
self.should_connect = False
self.retry = 0
self.resp.raw._fp.fp.raw._sock.shutdown(socket.SHUT_RDWR)
self.resp.raw._fp.fp.raw._sock.close()
class Stream:
def __init__(self, url, stream_handler, build_headers, stream_id):
self.build_headers = build_headers
self.url = url
self.stream_handler = stream_handler
self.stream_id = stream_id
self.sse = None
self.thread = None
self.start()
def make_session(self):
"""
Return a custom session object to be passed to the ClosableSSEClient.
"""
session = KeepAuthSession()
return session
def start(self):
self.thread = threading.Thread(target=self.start_stream)
self.thread.start()
return self
def start_stream(self):
self.sse = ClosableSSEClient(self.url, session=self.make_session(), build_headers=self.build_headers)
for msg in self.sse:
if msg:
msg_data = json.loads(msg.data)
msg_data["event"] = msg.event
if self.stream_id:
msg_data["stream_id"] = self.stream_id
self.stream_handler(msg_data)
def close(self):
while not self.sse and not hasattr(self.sse, 'resp'):
time.sleep(0.001)
self.sse.running = False
self.sse.close()
self.thread.join()
return self