# Copyright 2015 The Chromium OS Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import logging import utils from autotest_lib.client.common_lib import error from autotest_lib.client.cros import enterprise_policy_base from autotest_lib.client.cros import httpd class policy_ImagesAllowedForUrls(enterprise_policy_base.EnterprisePolicyTest): """Test ImagesAllowedForUrls policy effect on CrOS look & feel. This test verifies the behavior of Chrome OS with a range of valid values for the ImagesAllowedForUrls user policies. These values are covered by four test cases, named: NotSet, 1Url, 2Urls, and 3Urls. When the policy value is None (as in case=NotSet), then images are blocked on any page. When the value is set to a single domain (case=1Url), images are allowed on any page with that domain. When set to multiple domains (as in case=2Urls or 3Urls), then images are allowed on any page with a domain that matches any of the listed domains. Two test cases (1Url, 3Urls) are designed to allow images to be shown on the test page. The other two test cases (NotSet, 2Urls) are designed to block images on the test page. Note this test has a dependency on the DefaultImagesSetting policy, which is partially tested herein, and by the test policy_ImagesBlockedForUrls. For this test, we set DefaultImagesSetting=2. This blocks images on all pages except those with a domain listed in ImagesAllowedForUrls. For the test policy_ImagesBlockedForUrls, we set DefaultImagesSetting=1. That allows images to be shown on all pages except those with domains listed in ImagesBlockedForUrls. """ version = 1 POLICY_NAME = 'ImagesAllowedForUrls' URL_HOST = 'http://localhost' URL_PORT = 8080 URL_BASE = '%s:%d' % (URL_HOST, URL_PORT) URL_PAGE = '/kittens.html' TEST_URL = URL_BASE + URL_PAGE URL1_DATA = [URL_HOST] URL2_DATA = ['http://www.bing.com', 'https://www.yahoo.com'] URL3_DATA = ['http://www.bing.com', URL_BASE, 'https://www.yahoo.com'] TEST_CASES = { 'NotSet': '', '1Url': URL1_DATA, '2Urls': URL2_DATA, '3Urls': URL3_DATA } STARTUP_URLS = ['chrome://policy', 'chrome://settings'] SUPPORTING_POLICIES = { 'DefaultImagesSetting': 2, 'BookmarkBarEnabled': False, 'RestoreOnStartupURLs': STARTUP_URLS, 'RestoreOnStartup': 4 } def initialize(self, args=()): super(policy_ImagesAllowedForUrls, self).initialize(args) if self.mode == 'list': self._web_server = None else: self._web_server = httpd.HTTPListener( self.URL_PORT, docroot=self.bindir) self._web_server.run() def _wait_for_page_ready(self, tab): utils.poll_for_condition( lambda: tab.EvaluateJavaScript('pageReady'), exception=error.TestError('Test page is not ready.')) def _test_images_allowed_for_urls(self, policy_value, policies_json): """ Verify CrOS enforces the ImagesAllowedForUrls policy. When ImagesAllowedForUrls is undefined, images shall be blocked on all pages. When ImagesAllowedForUrls contains one or more domains, images shall be shown only on the pages whose domain matches any of the listed domains. @param policy_value: policy value expected on chrome://policy page. @param policies_json: policy JSON data to send to the fake DM server. """ self.setup_case(self.POLICY_NAME, policy_value, policies_json) logging.info('Running _test_images_allowed_for_urls(%s, %s)', policy_value, policies_json) tab = self.cr.browser.tabs.New() tab.Activate() tab.Navigate(self.TEST_URL, timeout=4) tab.WaitForDocumentReadyStateToBeComplete() self._wait_for_page_ready(tab) image_is_blocked = tab.EvaluateJavaScript( "document.getElementById('kittens_id').width") == 0 # String |URL_HOST| will be found in string |policy_value| for # test cases 1Url and 3Urls, but not for cases NotSet and 2Urls. if policy_value is not None and self.URL_HOST in policy_value: if image_is_blocked: raise error.TestFail('Image should not be blocked.') else: if not image_is_blocked: raise error.TestFail('Image should be blocked.') tab.Close() def _run_test_case(self, case): """ Setup and run the test configured for the specified test case. Set the expected |policy_value| and |policies_json| data based on the test |case|. If the user specified an expected |value| in the command line args, then use it to set the |policy_value| and blank out the |policies_json|. @param case: Name of the test case to run. """ if case not in self.TEST_CASES: raise error.TestError('Test case %s is not valid.' % case) logging.info('Running test case: %s', case) if self.is_value_given: # If |value| was given in the command line args, then set expected # |policy_value| to the given value, and |policies_json| to None. policy_value = self.value policies_json = None else: # Otherwise, set expected |policy_value| and setup |policies_json| # data to the values required by the test |case|. policies_json = self.SUPPORTING_POLICIES.copy() if case == 'NotSet': policy_value = None policy_json = {'ImagesAllowedForUrls': None} elif case == '1Url': policy_value = ','.join(self.URL1_DATA) policy_json = {'ImagesAllowedForUrls': self.URL1_DATA} elif case == '2Urls': policy_value = ','.join(self.URL2_DATA) policy_json = {'ImagesAllowedForUrls': self.URL2_DATA} elif case == '3Urls': policy_value = ','.join(self.URL3_DATA) policy_json = {'ImagesAllowedForUrls': self.URL3_DATA} policies_json.update(policy_json) # Run test using the values configured for the test case. self._test_images_allowed_for_urls(policy_value, policies_json) def run_once(self): """Main runner for the test cases.""" if self.mode == 'all': for case in sorted(self.TEST_CASES): self._run_test_case(case) elif self.mode == 'single': self._run_test_case(self.case) elif self.mode == 'list': logging.info('List Test Cases:') for case, value in sorted(self.TEST_CASES.items()): logging.info(' case=%s, value="%s"', case, value) else: raise error.TestError('Run mode %s is not valid.' % self.mode) def cleanup(self): if self._web_server: self._web_server.stop() super(policy_ImagesAllowedForUrls, self).cleanup()