moto/moto/cognitoidp/utils.py
2021-10-20 11:56:45 +00:00

69 lines
1.9 KiB
Python

import random
import string
import hashlib
import hmac
import base64
import re
FORMATS = {
"email": r"\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b",
"phone_number": r"\+\d{,15}",
}
PAGINATION_MODEL = {
"list_user_pools": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"page_ending_range_keys": ["arn"],
},
"list_user_pool_clients": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"page_ending_range_keys": ["id"],
},
"list_identity_providers": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"page_ending_range_keys": ["name"],
},
"list_users": {
"input_token": "pagination_token",
"limit_key": "limit",
"limit_default": 60,
"page_ending_range_keys": ["id"],
},
}
def create_id():
size = 26
chars = list(range(10)) + list(string.ascii_lowercase)
return "".join(str(random.choice(chars)) for x in range(size))
def check_secret_hash(app_client_secret, app_client_id, username, secret_hash):
key = bytes(str(app_client_secret).encode("latin-1"))
msg = bytes(str(username + app_client_id).encode("latin-1"))
new_digest = hmac.new(key, msg, hashlib.sha256).digest()
SECRET_HASH = base64.b64encode(new_digest).decode()
return SECRET_HASH == secret_hash
def validate_username_format(username, _format="email"):
# if the value of the `_format` param other than `email` or `phone_number`,
# the default value for the regex will match nothing and the
# method will return None
return re.fullmatch(FORMATS.get(_format, r"a^"), username)
def flatten_attrs(attrs):
return {attr["Name"]: attr["Value"] for attr in attrs}
def expand_attrs(attrs):
return [{"Name": k, "Value": v} for k, v in attrs.items()]