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api_regression_http.py
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api_regression_http.py
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#!/usr/bin/env python
"""Base test classes for API handlers tests."""
from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals
# pylint:mode=test
import logging
import os
import threading
from absl import flags
import portpicker
import requests
from typing import Text
from google.protobuf import json_format
from grr_api_client.connectors import http_connector
from grr_response_core.lib import utils
from grr_response_core.lib.util import compatibility
from grr_response_core.lib.util import precondition
from grr_response_core.lib.util.compat import json
from grr_response_server import gui
from grr_response_server.gui import api_auth_manager
from grr_response_server.gui import api_call_router
from grr_response_server.gui import api_value_renderers
from grr_response_server.gui import http_api
from grr_response_server.gui import wsgiapp_testlib
DOCUMENT_ROOT = os.path.join(os.path.dirname(gui.__file__), "static")
_HTTP_ENDPOINTS = {}
_HTTP_ENDPOINTS_LOCK = threading.RLock()
class HttpApiRegressionTestMixinBase(object):
"""Load only API E2E test cases."""
api_version = None
_get_connector_lock = threading.RLock()
@staticmethod
def GetConnector(api_version):
if api_version not in [1, 2]:
raise ValueError("api_version may be 1 or 2 only")
with _HTTP_ENDPOINTS_LOCK:
if api_version not in _HTTP_ENDPOINTS:
port = portpicker.pick_unused_port()
logging.info("Picked free AdminUI port %d.", port)
# Force creation of new APIAuthorizationManager.
api_auth_manager.InitializeApiAuthManager()
trd = wsgiapp_testlib.ServerThread(
port, name="ApiRegressionHttpConnectorV%d" % api_version)
trd.StartAndWaitUntilServing()
_HTTP_ENDPOINTS[api_version] = "http://localhost:%d" % port
return http_connector.HttpConnector(
api_endpoint=_HTTP_ENDPOINTS[api_version])
def setUp(self):
super(HttpApiRegressionTestMixinBase, self).setUp()
self.connector = self.GetConnector(self.__class__.api_version)
def _ParseJSON(self, json_str):
"""Parses response JSON."""
precondition.AssertType(json_str, Text)
xssi_prefix = ")]}'\n"
if json_str.startswith(xssi_prefix):
json_str = json_str[len(xssi_prefix):]
return json.Parse(json_str)
def _PrepareV1Request(self, method, args=None):
"""Prepares API v1 request for a given method and args."""
args_proto = None
if args:
args_proto = args.AsPrimitiveProto()
request = self.connector.BuildRequest(method, args_proto)
request.url = request.url.replace("/api/v2/", "/api/")
if args and request.data:
body_proto = args.__class__().AsPrimitiveProto()
json_format.Parse(request.data, body_proto)
body_args = args.__class__.FromSerializedBytes(
body_proto.SerializeToString())
request.data = json.Dump(
api_value_renderers.StripTypeInfo(
api_value_renderers.RenderValue(body_args)),
encoder=http_api.JSONEncoderWithRDFPrimitivesSupport)
prepped_request = request.prepare()
return request, prepped_request
def _PrepareV2Request(self, method, args=None):
"""Prepares API v2 request for a given method and args."""
args_proto = None
if args:
args_proto = args.AsPrimitiveProto()
request = self.connector.BuildRequest(method, args_proto)
prepped_request = request.prepare()
return request, prepped_request
def HandleCheck(self, method_metadata, args=None, replace=None):
"""Does regression check for given method, args and a replace function."""
if not replace:
raise ValueError("replace can't be None")
if self.__class__.api_version == 1:
request, prepped_request = self._PrepareV1Request(
method_metadata.name, args=args)
elif self.__class__.api_version == 2:
request, prepped_request = self._PrepareV2Request(
method_metadata.name, args=args)
else:
raise ValueError("api_version may be only 1 or 2, not %d" %
flags.FLAGS.api_version)
session = requests.Session()
response = session.send(prepped_request)
check_result = {
"url": replace(prepped_request.path_url),
"method": request.method
}
if request.data:
if compatibility.PY2:
data = request.data.decode("utf-8")
else:
data = request.data
request_payload = self._ParseJSON(replace(data))
if request_payload:
check_result["request_payload"] = request_payload
if (method_metadata.result_type ==
api_call_router.RouterMethodMetadata.BINARY_STREAM_RESULT_TYPE):
check_result["response"] = replace(utils.SmartUnicode(response.content))
else:
content = response.content.decode("utf-8")
check_result["response"] = self._ParseJSON(replace(content))
if self.__class__.api_version == 1:
stripped_response = api_value_renderers.StripTypeInfo(
check_result["response"])
if stripped_response != check_result["response"]:
check_result["type_stripped_response"] = stripped_response
return check_result
# TODO(amoser): Clean up comments and naming.
# Each mixin below configures a different way for regression tests to run. After
# AFF4 is gone, there will be only 2 mixins left here (http API v1 and http
# API v2). At the moment we have v1 with rel_db, v1 without, v2 with rel_db,
# and v2 without.
#
# Duplicated test methods are added to these classes explicitly to make sure
# they were not misconfigured and REL_DB is enabled in tests that count on
# REL_DB being enabled - this will go away with AFF4 support going away.
#
# output_file_name denotes where golden regression data should be read from -
# the point of REL_DB enabled tests is that they should stay compatible with
# the current API behavior. So we direct them to use same golden files -
# hence the duplication. Again, this will go away soon.
class HttpApiV1RelationalDBRegressionTestMixin(HttpApiRegressionTestMixinBase):
"""Test class for HTTP v1 protocol with Database.enabled=True."""
connection_type = "http_v1"
skip_legacy_dynamic_proto_tests = False
api_version = 1
@property
def output_file_name(self):
return os.path.join(DOCUMENT_ROOT,
"angular-components/docs/api-docs-examples.json")
class HttpApiV2RelationalDBRegressionTestMixin(HttpApiRegressionTestMixinBase):
"""Test class for HTTP v2 protocol with Database.enabled=True."""
connection_type = "http_v2"
skip_legacy_dynamic_proto_tests = True
api_version = 2
@property
def output_file_name(self):
return os.path.join(DOCUMENT_ROOT,
"angular-components/docs/api-v2-docs-examples.json")