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|
import json
import sys
from unittest import SkipTest
from uuid import uuid4
import boto3
import pytest
from botocore.exceptions import ClientError
from moto import mock_aws
from moto.core import DEFAULT_ACCOUNT_ID as ACCOUNT_ID
from moto.utilities.distutils_version import LooseVersion
from .utilities import get_role_name, get_test_zip_file1, get_test_zip_file2
PYTHON_VERSION = "python3.11"
_lambda_region = "us-west-2"
boto3_version = sys.modules["botocore"].__version__
@pytest.mark.parametrize("key", ["FunctionName", "FunctionArn"])
@mock_aws
def test_add_function_permission(key):
"""
Parametrized to ensure that we can add permission by using the FunctionName and the FunctionArn
"""
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
f = conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=(get_role_name()),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
)
name_or_arn = f[key]
response = conn.add_permission(
FunctionName=name_or_arn,
StatementId="1",
Action="lambda:InvokeFunction",
Principal="432143214321",
SourceArn="arn:aws:lambda:us-west-2:account-id:function:helloworld",
)
assert "Statement" in response
res = json.loads(response["Statement"])
assert res["Action"] == "lambda:InvokeFunction"
assert res["Condition"] == {
"ArnLike": {
"AWS:SourceArn": "arn:aws:lambda:us-west-2:account-id:function:helloworld"
}
}
@mock_aws
def test_add_permission_with_principalorgid():
if LooseVersion(boto3_version) < LooseVersion("1.29.0"):
raise SkipTest("Parameters only available in newer versions")
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
fn_arn = conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=(get_role_name()),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
)["FunctionArn"]
source_arn = "arn:aws:lambda:us-west-2:account-id:function:helloworld"
response = conn.add_permission(
FunctionName=fn_arn,
StatementId="1",
Action="lambda:InvokeFunction",
Principal="432143214321",
PrincipalOrgID="o-a1b2c3d4e5",
SourceArn=source_arn,
)
assert "Statement" in response
res = json.loads(response["Statement"])
assert res["Condition"]["StringEquals"] == {"aws:PrincipalOrgID": "o-a1b2c3d4e5"}
assert res["Condition"]["ArnLike"] == {"AWS:SourceArn": source_arn}
assert "PrincipalOrgID" not in res
@pytest.mark.parametrize("key", ["FunctionName", "FunctionArn"])
@mock_aws
def test_get_function_policy(key):
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
f = conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=get_role_name(),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
Description="test lambda function",
Timeout=3,
MemorySize=128,
Publish=True,
)
name_or_arn = f[key]
conn.add_permission(
FunctionName=name_or_arn,
StatementId="2",
Action="lambda:InvokeFunction",
Principal="lambda.amazonaws.com",
SourceArn=f"arn:aws:lambda:us-west-2:{ACCOUNT_ID}:function:helloworld",
)
response = conn.get_policy(FunctionName=name_or_arn)
assert "Policy" in response
res = json.loads(response["Policy"])
assert res["Statement"][0]["Action"] == "lambda:InvokeFunction"
assert res["Statement"][0]["Principal"] == {"Service": "lambda.amazonaws.com"}
assert (
res["Statement"][0]["Resource"]
== f"arn:aws:lambda:us-west-2:123456789012:function:{function_name}"
)
@mock_aws
def test_get_policy_with_qualifier():
# assert that the resource within the statement ends with :qualifier
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=get_role_name(),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
Description="test lambda function",
Timeout=3,
MemorySize=128,
Publish=True,
)
zip_content_two = get_test_zip_file2()
conn.update_function_code(
FunctionName=function_name, ZipFile=zip_content_two, Publish=True
)
conn.add_permission(
FunctionName=function_name,
StatementId="1",
Action="lambda:InvokeFunction",
Principal="lambda.amazonaws.com",
SourceArn=f"arn:aws:lambda:us-west-2:{ACCOUNT_ID}:function:helloworld",
Qualifier="2",
)
response = conn.get_policy(FunctionName=function_name, Qualifier="2")
assert "Policy" in response
res = json.loads(response["Policy"])
assert res["Statement"][0]["Action"] == "lambda:InvokeFunction"
assert res["Statement"][0]["Principal"] == {"Service": "lambda.amazonaws.com"}
assert (
res["Statement"][0]["Resource"]
== f"arn:aws:lambda:us-west-2:123456789012:function:{function_name}:2"
)
@mock_aws
def test_add_permission_with_unknown_qualifier():
# assert that the resource within the statement ends with :qualifier
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=get_role_name(),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
Description="test lambda function",
Timeout=3,
MemorySize=128,
Publish=True,
)
with pytest.raises(ClientError) as exc:
conn.add_permission(
FunctionName=function_name,
StatementId="2",
Action="lambda:InvokeFunction",
Principal="lambda.amazonaws.com",
SourceArn=f"arn:aws:lambda:us-west-2:{ACCOUNT_ID}:function:helloworld",
Qualifier="5",
)
err = exc.value.response["Error"]
assert err["Code"] == "ResourceNotFoundException"
assert (
err["Message"]
== f"Function not found: arn:aws:lambda:us-west-2:{ACCOUNT_ID}:function:{function_name}:5"
)
@pytest.mark.parametrize("key", ["FunctionName", "FunctionArn"])
@mock_aws
def test_remove_function_permission(key):
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
f = conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=(get_role_name()),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
)
name_or_arn = f[key]
conn.add_permission(
FunctionName=name_or_arn,
StatementId="1",
Action="lambda:InvokeFunction",
Principal="432143214321",
SourceArn="arn:aws:lambda:us-west-2:account-id:function:helloworld",
)
remove = conn.remove_permission(FunctionName=name_or_arn, StatementId="1")
assert remove["ResponseMetadata"]["HTTPStatusCode"] == 204
with pytest.raises(ClientError) as exc:
conn.get_policy(FunctionName=name_or_arn)["Policy"]
err = exc.value.response["Error"]
assert err["Code"] == "ResourceNotFoundException"
assert err["Message"] == "The resource you requested does not exist."
@pytest.mark.parametrize("key", ["FunctionName", "FunctionArn"])
@mock_aws
def test_remove_function_permission__with_qualifier(key):
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
f = conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=(get_role_name()),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
Description="test lambda function",
Timeout=3,
MemorySize=128,
Publish=True,
)
name_or_arn = f[key]
# Ensure Qualifier=2 exists
zip_content_two = get_test_zip_file2()
conn.update_function_code(
FunctionName=function_name, ZipFile=zip_content_two, Publish=True
)
conn.add_permission(
FunctionName=name_or_arn,
StatementId="1",
Action="lambda:InvokeFunction",
Principal="432143214321",
SourceArn="arn:aws:lambda:us-west-2:account-id:function:helloworld",
SourceAccount="123412341234",
EventSourceToken="blah",
Qualifier="2",
)
remove = conn.remove_permission(
FunctionName=name_or_arn, StatementId="1", Qualifier="2"
)
assert remove["ResponseMetadata"]["HTTPStatusCode"] == 204
with pytest.raises(ClientError) as exc:
conn.get_policy(FunctionName=name_or_arn, Qualifier="2")
err = exc.value.response["Error"]
assert err["Code"] == "ResourceNotFoundException"
assert err["Message"] == "The resource you requested does not exist."
@mock_aws
def test_get_unknown_policy():
conn = boto3.client("lambda", _lambda_region)
with pytest.raises(ClientError) as exc:
conn.get_policy(FunctionName="unknown")
err = exc.value.response["Error"]
assert err["Code"] == "ResourceNotFoundException"
assert (
err["Message"]
== "Function not found: arn:aws:lambda:us-west-2:123456789012:function:unknown"
)
@mock_aws
def test_policy_error_if_blank_resource_policy():
# Setup
conn = boto3.client("lambda", _lambda_region)
zip_content = get_test_zip_file1()
function_name = str(uuid4())[0:6]
conn.create_function(
FunctionName=function_name,
Runtime=PYTHON_VERSION,
Role=(get_role_name()),
Handler="lambda_function.handler",
Code={"ZipFile": zip_content},
Description="test lambda function",
Timeout=3,
MemorySize=128,
Publish=True,
)
# Execute
with pytest.raises(ClientError) as exc:
conn.get_policy(FunctionName=function_name)
# Verify
err = exc.value.response["Error"]
assert err["Code"] == "ResourceNotFoundException"
assert err["Message"] == "The resource you requested does not exist."
|
