moto/moto/secretsmanager/models.py
2019-12-26 21:03:49 +01:00

505 lines
17 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import time
import json
import uuid
import datetime
from boto3 import Session
from moto.core import BaseBackend, BaseModel
from .exceptions import (
SecretNotFoundException,
SecretHasNoValueException,
InvalidParameterException,
ResourceExistsException,
InvalidRequestException,
ClientError,
)
from .utils import random_password, secret_arn, get_secret_name_from_arn
class SecretsManager(BaseModel):
def __init__(self, region_name, **kwargs):
self.region = region_name
class SecretsStore(dict):
def __setitem__(self, key, value):
new_key = get_secret_name_from_arn(key)
super(SecretsStore, self).__setitem__(new_key, value)
def __getitem__(self, key):
new_key = get_secret_name_from_arn(key)
return super(SecretsStore, self).__getitem__(new_key)
def __contains__(self, key):
new_key = get_secret_name_from_arn(key)
return dict.__contains__(self, new_key)
class SecretsManagerBackend(BaseBackend):
def __init__(self, region_name=None, **kwargs):
super(SecretsManagerBackend, self).__init__()
self.region = region_name
self.secrets = SecretsStore()
def reset(self):
region_name = self.region
self.__dict__ = {}
self.__init__(region_name)
def _is_valid_identifier(self, identifier):
return identifier in self.secrets
def _unix_time_secs(self, dt):
epoch = datetime.datetime.utcfromtimestamp(0)
return (dt - epoch).total_seconds()
def get_secret_value(self, secret_id, version_id, version_stage):
if not self._is_valid_identifier(secret_id):
raise SecretNotFoundException()
if not version_id and version_stage:
# set version_id to match version_stage
versions_dict = self.secrets[secret_id]["versions"]
for ver_id, ver_val in versions_dict.items():
if version_stage in ver_val["version_stages"]:
version_id = ver_id
break
if not version_id:
raise SecretNotFoundException()
# TODO check this part
if "deleted_date" in self.secrets[secret_id]:
raise InvalidRequestException(
"An error occurred (InvalidRequestException) when calling the GetSecretValue operation: You tried to \
perform the operation on a secret that's currently marked deleted."
)
secret = self.secrets[secret_id]
version_id = version_id or secret["default_version_id"]
secret_version = secret["versions"][version_id]
response_data = {
"ARN": secret_arn(self.region, secret["secret_id"]),
"Name": secret["name"],
"VersionId": secret_version["version_id"],
"VersionStages": secret_version["version_stages"],
"CreatedDate": secret_version["createdate"],
}
if "secret_string" in secret_version:
response_data["SecretString"] = secret_version["secret_string"]
if "secret_binary" in secret_version:
response_data["SecretBinary"] = secret_version["secret_binary"]
if (
"secret_string" not in secret_version
and "secret_binary" not in secret_version
):
raise SecretHasNoValueException(version_stage or "AWSCURRENT")
response = json.dumps(response_data)
return response
def create_secret(
self, name, secret_string=None, secret_binary=None, tags=[], **kwargs
):
# error if secret exists
if name in self.secrets.keys():
raise ResourceExistsException(
"A resource with the ID you requested already exists."
)
version_id = self._add_secret(
name, secret_string=secret_string, secret_binary=secret_binary, tags=tags
)
response = json.dumps(
{
"ARN": secret_arn(self.region, name),
"Name": name,
"VersionId": version_id,
}
)
return response
def _add_secret(
self,
secret_id,
secret_string=None,
secret_binary=None,
tags=[],
version_id=None,
version_stages=None,
):
if version_stages is None:
version_stages = ["AWSCURRENT"]
if not version_id:
version_id = str(uuid.uuid4())
secret_version = {
"createdate": int(time.time()),
"version_id": version_id,
"version_stages": version_stages,
}
if secret_string is not None:
secret_version["secret_string"] = secret_string
if secret_binary is not None:
secret_version["secret_binary"] = secret_binary
if secret_id in self.secrets:
# remove all old AWSPREVIOUS stages
for secret_verion_to_look_at in self.secrets[secret_id][
"versions"
].values():
if "AWSPREVIOUS" in secret_verion_to_look_at["version_stages"]:
secret_verion_to_look_at["version_stages"].remove("AWSPREVIOUS")
# set old AWSCURRENT secret to AWSPREVIOUS
previous_current_version_id = self.secrets[secret_id]["default_version_id"]
self.secrets[secret_id]["versions"][previous_current_version_id][
"version_stages"
] = ["AWSPREVIOUS"]
self.secrets[secret_id]["versions"][version_id] = secret_version
self.secrets[secret_id]["default_version_id"] = version_id
else:
self.secrets[secret_id] = {
"versions": {version_id: secret_version},
"default_version_id": version_id,
}
secret = self.secrets[secret_id]
secret["secret_id"] = secret_id
secret["name"] = secret_id
secret["rotation_enabled"] = False
secret["rotation_lambda_arn"] = ""
secret["auto_rotate_after_days"] = 0
secret["tags"] = tags
return version_id
def put_secret_value(self, secret_id, secret_string, secret_binary, version_stages):
version_id = self._add_secret(
secret_id, secret_string, secret_binary, version_stages=version_stages
)
response = json.dumps(
{
"ARN": secret_arn(self.region, secret_id),
"Name": secret_id,
"VersionId": version_id,
"VersionStages": version_stages,
}
)
return response
def describe_secret(self, secret_id):
if not self._is_valid_identifier(secret_id):
raise SecretNotFoundException()
secret = self.secrets[secret_id]
response = json.dumps(
{
"ARN": secret_arn(self.region, secret["secret_id"]),
"Name": secret["name"],
"Description": "",
"KmsKeyId": "",
"RotationEnabled": secret["rotation_enabled"],
"RotationLambdaARN": secret["rotation_lambda_arn"],
"RotationRules": {
"AutomaticallyAfterDays": secret["auto_rotate_after_days"]
},
"LastRotatedDate": None,
"LastChangedDate": None,
"LastAccessedDate": None,
"DeletedDate": secret.get("deleted_date", None),
"Tags": secret["tags"],
}
)
return response
def rotate_secret(
self,
secret_id,
client_request_token=None,
rotation_lambda_arn=None,
rotation_rules=None,
):
rotation_days = "AutomaticallyAfterDays"
if not self._is_valid_identifier(secret_id):
raise SecretNotFoundException()
if "deleted_date" in self.secrets[secret_id]:
raise InvalidRequestException(
"An error occurred (InvalidRequestException) when calling the RotateSecret operation: You tried to \
perform the operation on a secret that's currently marked deleted."
)
if client_request_token:
token_length = len(client_request_token)
if token_length < 32 or token_length > 64:
msg = "ClientRequestToken " "must be 32-64 characters long."
raise InvalidParameterException(msg)
if rotation_lambda_arn:
if len(rotation_lambda_arn) > 2048:
msg = "RotationLambdaARN " "must <= 2048 characters long."
raise InvalidParameterException(msg)
if rotation_rules:
if rotation_days in rotation_rules:
rotation_period = rotation_rules[rotation_days]
if rotation_period < 1 or rotation_period > 1000:
msg = (
"RotationRules.AutomaticallyAfterDays " "must be within 1-1000."
)
raise InvalidParameterException(msg)
secret = self.secrets[secret_id]
old_secret_version = secret["versions"][secret["default_version_id"]]
new_version_id = client_request_token or str(uuid.uuid4())
self._add_secret(
secret_id,
old_secret_version["secret_string"],
secret["tags"],
version_id=new_version_id,
version_stages=["AWSCURRENT"],
)
secret["rotation_lambda_arn"] = rotation_lambda_arn or ""
if rotation_rules:
secret["auto_rotate_after_days"] = rotation_rules.get(rotation_days, 0)
if secret["auto_rotate_after_days"] > 0:
secret["rotation_enabled"] = True
if "AWSCURRENT" in old_secret_version["version_stages"]:
old_secret_version["version_stages"].remove("AWSCURRENT")
response = json.dumps(
{
"ARN": secret_arn(self.region, secret["secret_id"]),
"Name": secret["name"],
"VersionId": new_version_id,
}
)
return response
def get_random_password(
self,
password_length,
exclude_characters,
exclude_numbers,
exclude_punctuation,
exclude_uppercase,
exclude_lowercase,
include_space,
require_each_included_type,
):
# password size must have value less than or equal to 4096
if password_length > 4096:
raise ClientError(
"ClientError: An error occurred (ValidationException) \
when calling the GetRandomPassword operation: 1 validation error detected: Value '{}' at 'passwordLength' \
failed to satisfy constraint: Member must have value less than or equal to 4096".format(
password_length
)
)
if password_length < 4:
raise InvalidParameterException(
"InvalidParameterException: An error occurred (InvalidParameterException) \
when calling the GetRandomPassword operation: Password length is too short based on the required types."
)
response = json.dumps(
{
"RandomPassword": random_password(
password_length,
exclude_characters,
exclude_numbers,
exclude_punctuation,
exclude_uppercase,
exclude_lowercase,
include_space,
require_each_included_type,
)
}
)
return response
def list_secret_version_ids(self, secret_id):
secret = self.secrets[secret_id]
version_list = []
for version_id, version in secret["versions"].items():
version_list.append(
{
"CreatedDate": int(time.time()),
"LastAccessedDate": int(time.time()),
"VersionId": version_id,
"VersionStages": version["version_stages"],
}
)
response = json.dumps(
{
"ARN": secret["secret_id"],
"Name": secret["name"],
"NextToken": "",
"Versions": version_list,
}
)
return response
def list_secrets(self, max_results, next_token):
# TODO implement pagination and limits
secret_list = []
for secret in self.secrets.values():
versions_to_stages = {}
for version_id, version in secret["versions"].items():
versions_to_stages[version_id] = version["version_stages"]
secret_list.append(
{
"ARN": secret_arn(self.region, secret["secret_id"]),
"DeletedDate": secret.get("deleted_date", None),
"Description": "",
"KmsKeyId": "",
"LastAccessedDate": None,
"LastChangedDate": None,
"LastRotatedDate": None,
"Name": secret["name"],
"RotationEnabled": secret["rotation_enabled"],
"RotationLambdaARN": secret["rotation_lambda_arn"],
"RotationRules": {
"AutomaticallyAfterDays": secret["auto_rotate_after_days"]
},
"SecretVersionsToStages": versions_to_stages,
"Tags": secret["tags"],
}
)
return secret_list, None
def delete_secret(
self, secret_id, recovery_window_in_days, force_delete_without_recovery
):
if not self._is_valid_identifier(secret_id):
raise SecretNotFoundException()
if "deleted_date" in self.secrets[secret_id]:
raise InvalidRequestException(
"An error occurred (InvalidRequestException) when calling the DeleteSecret operation: You tried to \
perform the operation on a secret that's currently marked deleted."
)
if recovery_window_in_days and force_delete_without_recovery:
raise InvalidParameterException(
"An error occurred (InvalidParameterException) when calling the DeleteSecret operation: You can't \
use ForceDeleteWithoutRecovery in conjunction with RecoveryWindowInDays."
)
if recovery_window_in_days and (
recovery_window_in_days < 7 or recovery_window_in_days > 30
):
raise InvalidParameterException(
"An error occurred (InvalidParameterException) when calling the DeleteSecret operation: The \
RecoveryWindowInDays value must be between 7 and 30 days (inclusive)."
)
deletion_date = datetime.datetime.utcnow()
if force_delete_without_recovery:
secret = self.secrets.pop(secret_id, None)
else:
deletion_date += datetime.timedelta(days=recovery_window_in_days or 30)
self.secrets[secret_id]["deleted_date"] = self._unix_time_secs(
deletion_date
)
secret = self.secrets.get(secret_id, None)
if not secret:
raise SecretNotFoundException()
arn = secret_arn(self.region, secret["secret_id"])
name = secret["name"]
return arn, name, self._unix_time_secs(deletion_date)
def restore_secret(self, secret_id):
if not self._is_valid_identifier(secret_id):
raise SecretNotFoundException()
self.secrets[secret_id].pop("deleted_date", None)
secret = self.secrets[secret_id]
arn = secret_arn(self.region, secret["secret_id"])
name = secret["name"]
return arn, name
@staticmethod
def get_resource_policy(secret_id):
resource_policy = {
"Version": "2012-10-17",
"Statement": {
"Effect": "Allow",
"Principal": {
"AWS": [
"arn:aws:iam::111122223333:root",
"arn:aws:iam::444455556666:root",
]
},
"Action": ["secretsmanager:GetSecretValue"],
"Resource": "*",
},
}
return json.dumps(
{
"ARN": secret_id,
"Name": secret_id,
"ResourcePolicy": json.dumps(resource_policy),
}
)
secretsmanager_backends = {}
for region in Session().get_available_regions("secretsmanager"):
secretsmanager_backends[region] = SecretsManagerBackend(region_name=region)
for region in Session().get_available_regions(
"secretsmanager", partition_name="aws-us-gov"
):
secretsmanager_backends[region] = SecretsManagerBackend(region_name=region)
for region in Session().get_available_regions(
"secretsmanager", partition_name="aws-cn"
):
secretsmanager_backends[region] = SecretsManagerBackend(region_name=region)