import base64
import hashlib
import hmac
import re
import string
from typing import Any, Dict, List, Optional
from moto.moto_api._internal import mock_random as random
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,
"unique_attribute": "arn",
},
"list_user_pool_clients": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"unique_attribute": "id",
},
"list_identity_providers": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"unique_attribute": "name",
},
"list_users": {
"input_token": "pagination_token",
"limit_key": "limit",
"limit_default": 60,
"unique_attribute": "id",
},
"list_groups": {
"input_token": "next_token",
"limit_key": "limit",
"limit_default": 60,
"unique_attribute": "group_name",
},
"admin_list_groups_for_user": {
"input_token": "next_token",
"limit_key": "limit",
"limit_default": 60,
"unique_attribute": "group_name",
},
"list_users_in_group": {
"input_token": "next_token",
"limit_key": "limit",
"limit_default": 60,
"unique_attribute": "id",
},
"list_resource_servers": {
"input_token": "next_token",
"limit_key": "max_results",
"limit_default": 60,
"unique_attribute": "identifier",
},
}
def create_id() -> str:
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: str,
app_client_id: str,
username: str,
secret_hash: Optional[str],
) -> bool:
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: str, _format: str = "email") -> bool:
# 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) is not None
def flatten_attrs(attrs: List[Dict[str, Any]]) -> Dict[str, Any]:
return {attr["Name"]: attr["Value"] for attr in attrs}
def expand_attrs(attrs: Dict[str, Any]) -> List[Dict[str, Any]]:
return [{"Name": k, "Value": v} for k, v in attrs.items()]
ID_HASH_STRATEGY = "HASH"
def generate_id(strategy: Optional[str], *args: Any) -> str:
if strategy == ID_HASH_STRATEGY:
return _generate_id_hash(args)
else:
return _generate_id_uuid()
def _generate_id_uuid() -> str:
return random.uuid4().hex
def _generate_id_hash(args: Any) -> str:
hasher = hashlib.sha256()
for arg in args:
hasher.update(str(arg).encode())
return hasher.hexdigest()