Tools/TestWebKitAPI/Tests/WebKitGLib/TestWebKitUserContentManager.cpp - WebKit - Git at Google

 /*
  * Copyright (C) 2013-2014 Igalia S.L.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2,1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */

 #include "config.h"

 #include "WebKitTestServer.h"
 #include "WebViewTest.h"
 #include <cstdarg>
 #include <wtf/glib/GRefPtr.h>
 #include <wtf/glib/GUniquePtr.h>

 static WebKitTestServer* kServer;

 // These are all here so that they can be changed easily, if necessary.
 static const char* kTestHTML =
 "<html>\n"
 "  <head><link rel=\"stylesheet\" type=\"text/css\" href=\"/extra.css\"></head>\n"
 "  <body>\n"
 "    <div id=\"styledElement\">Sweet stylez!</div>\n"
 "    <div id=\"otherElement\">Blocked stylez!</div>\n"
 "  </body>\n"
 "</html>";

 static const char* kTestCSS =
 "div#otherElement {\n"
 "  font-weight: bold;\n"
 "}\n";

 static const char* kInjectedStyleSheet = "#styledElement { font-weight: bold; }";
 static const char* kStyleSheetTestScript = "getComputedStyle(document.getElementById('styledElement'))['font-weight']";
 static const char* kStyleSheetTestScriptResult = "bold";
 static const char* kInjectedScript = "document.write('<div id=\"item\">Generated by a script</div>')";
 static const char* kScriptTestScript = "document.getElementById('item').innerText";
 static const char* kScriptTestScriptResult = "Generated by a script";
 static const char* kScriptTestCSSBlocked = "getComputedStyle(document.getElementById('otherElement'))['font-weight']";
 static const char* kScriptTestCSSBlockedResult = "normal";
 static const char* kJSONFilter =
 "[\n"
 "  {\n"
 "    \"trigger\": {\n"
 "      \"url-filter\": \".*\",\n"
 "      \"resource-type\": [\"style-sheet\"]\n"
 "    },\n"
 "    \"action\": {\n"
 "      \"type\": \"block\"\n"
 "    }\n"
 "  }\n"
 "]\n";

 static void testWebViewNewWithUserContentManager(Test* test, gconstpointer)
 {
     GRefPtr<WebKitUserContentManager> userContentManager1 = adoptGRef(webkit_user_content_manager_new());
     test->assertObjectIsDeletedWhenTestFinishes(G_OBJECT(userContentManager1.get()));
     auto webView1 = Test::adoptView(Test::createWebView(userContentManager1.get()));
     g_assert_true(webkit_web_view_get_user_content_manager(webView1.get()) == userContentManager1.get());

     auto webView2 = Test::adoptView(Test::createWebView());
     g_assert_true(webkit_web_view_get_user_content_manager(webView2.get()) != userContentManager1.get());
 }

 static bool isStyleSheetInjectedForURLAtPath(WebViewTest* test, const char* path, const char* world = nullptr)
 {
     test->loadURI(kServer->getURIForPath(path).data());
     test->waitUntilLoadFinished();

     GUniqueOutPtr<GError> error;
     WebKitJavascriptResult* javascriptResult = world ? test->runJavaScriptInWorldAndWaitUntilFinished(kStyleSheetTestScript, world, &error.outPtr())
         : test->runJavaScriptAndWaitUntilFinished(kStyleSheetTestScript, &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());

     GUniquePtr<char> resultString(WebViewTest::javascriptResultToCString(javascriptResult));
     return !g_strcmp0(resultString.get(), kStyleSheetTestScriptResult);
 }

 static bool isScriptInjectedForURLAtPath(WebViewTest* test, const char* path, const char* world = nullptr)
 {
     test->loadURI(kServer->getURIForPath(path).data());
     test->waitUntilLoadFinished();

     GUniqueOutPtr<GError> error;
     WebKitJavascriptResult* javascriptResult = world ? test->runJavaScriptInWorldAndWaitUntilFinished(kScriptTestScript, world, &error.outPtr())
         : test->runJavaScriptAndWaitUntilFinished(kScriptTestScript, &error.outPtr());
     if (javascriptResult) {
         g_assert_no_error(error.get());

         GUniquePtr<char> resultString(WebViewTest::javascriptResultToCString(javascriptResult));
         return !g_strcmp0(resultString.get(), kScriptTestScriptResult);
     }
     return false;
 }

 static void fillURLListFromPaths(char** list, const char* path, ...)
 {
     va_list argumentList;
     va_start(argumentList, path);

     int i = 0;
     while (path) {
         // FIXME: We must use a wildcard for the host here until http://wkbug.com/112476 is fixed.
         // Until that time patterns with port numbers in them will not properly match URLs with port numbers.
         list[i++] = g_strdup_printf("http://*/%s*", path);
         path = va_arg(argumentList, const char*);
     }
 }

 static void removeOldInjectedContentAndResetLists(WebKitUserContentManager* userContentManager, char** whitelist, char** blacklist)
 {
     webkit_user_content_manager_remove_all_style_sheets(userContentManager);
     webkit_user_content_manager_remove_all_scripts(userContentManager);
     webkit_user_content_manager_remove_all_filters(userContentManager);

     while (*whitelist) {
         g_free(*whitelist);
         *whitelist = 0;
         whitelist++;
     }

     while (*blacklist) {
         g_free(*blacklist);
         *blacklist = 0;
         blacklist++;
     }
 }

 static void testUserContentManagerInjectedStyleSheet(WebViewTest* test, gconstpointer)
 {
     char* whitelist[3] = { 0, 0, 0 };
     char* blacklist[3] = { 0, 0, 0 };

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     // Without a whitelist or a blacklist all URLs should have the injected style sheet.
     static const char* randomPath = "somerandompath";
     g_assert_false(isStyleSheetInjectedForURLAtPath(test, randomPath));
     WebKitUserStyleSheet* styleSheet = webkit_user_style_sheet_new(kInjectedStyleSheet, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, nullptr, nullptr);
     webkit_user_content_manager_add_style_sheet(test->m_userContentManager.get(), styleSheet);
     webkit_user_style_sheet_unref(styleSheet);
     g_assert_true(isStyleSheetInjectedForURLAtPath(test, randomPath));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     g_assert_false(isStyleSheetInjectedForURLAtPath(test, randomPath, "WebExtensionTestScriptWorld"));
     styleSheet = webkit_user_style_sheet_new_for_world(kInjectedStyleSheet, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, "WebExtensionTestScriptWorld", nullptr, nullptr);
     webkit_user_content_manager_add_style_sheet(test->m_userContentManager.get(), styleSheet);
     webkit_user_style_sheet_unref(styleSheet);
     g_assert_true(isStyleSheetInjectedForURLAtPath(test, randomPath, "WebExtensionTestScriptWorld"));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     fillURLListFromPaths(blacklist, randomPath, 0);
     styleSheet = webkit_user_style_sheet_new(kInjectedStyleSheet, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, nullptr, blacklist);
     webkit_user_content_manager_add_style_sheet(test->m_userContentManager.get(), styleSheet);
     webkit_user_style_sheet_unref(styleSheet);
     g_assert_false(isStyleSheetInjectedForURLAtPath(test, randomPath));
     g_assert_true(isStyleSheetInjectedForURLAtPath(test, "someotherrandompath"));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     static const char* inTheWhiteList = "inthewhitelist";
     static const char* notInWhitelist = "notinthewhitelist";
     static const char* inTheWhiteListAndBlackList = "inthewhitelistandblacklist";

     fillURLListFromPaths(whitelist, inTheWhiteList, inTheWhiteListAndBlackList, 0);
     fillURLListFromPaths(blacklist, inTheWhiteListAndBlackList, 0);
     styleSheet = webkit_user_style_sheet_new(kInjectedStyleSheet, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, whitelist, blacklist);
     webkit_user_content_manager_add_style_sheet(test->m_userContentManager.get(), styleSheet);
     webkit_user_style_sheet_unref(styleSheet);
     g_assert_true(isStyleSheetInjectedForURLAtPath(test, inTheWhiteList));
     g_assert_false(isStyleSheetInjectedForURLAtPath(test, inTheWhiteListAndBlackList));
     g_assert_false(isStyleSheetInjectedForURLAtPath(test, notInWhitelist));

     // It's important to clean up the environment before other tests.
     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);
 }

 static void testUserContentManagerInjectedScript(WebViewTest* test, gconstpointer)
 {
     char* whitelist[3] = { 0, 0, 0 };
     char* blacklist[3] = { 0, 0, 0 };

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     // Without a whitelist or a blacklist all URLs should have the injected script.
     static const char* randomPath = "somerandompath";
     g_assert_false(isScriptInjectedForURLAtPath(test, randomPath));
     WebKitUserScript* script = webkit_user_script_new(kInjectedScript, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_END, nullptr, nullptr);
     webkit_user_content_manager_add_script(test->m_userContentManager.get(), script);
     webkit_user_script_unref(script);
     g_assert_true(isScriptInjectedForURLAtPath(test, randomPath));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     g_assert_false(isScriptInjectedForURLAtPath(test, randomPath, "WebExtensionTestScriptWorld"));
     script = webkit_user_script_new_for_world(kInjectedScript, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_END, "WebExtensionTestScriptWorld", nullptr, nullptr);
     webkit_user_content_manager_add_script(test->m_userContentManager.get(), script);
     webkit_user_script_unref(script);
     g_assert_true(isScriptInjectedForURLAtPath(test, randomPath, "WebExtensionTestScriptWorld"));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     fillURLListFromPaths(blacklist, randomPath, 0);
     script = webkit_user_script_new(kInjectedScript, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_END, nullptr, blacklist);
     webkit_user_content_manager_add_script(test->m_userContentManager.get(), script);
     webkit_user_script_unref(script);
     g_assert_false(isScriptInjectedForURLAtPath(test, randomPath));
     g_assert_true(isScriptInjectedForURLAtPath(test, "someotherrandompath"));

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     static const char* inTheWhiteList = "inthewhitelist";
     static const char* notInWhitelist = "notinthewhitelist";
     static const char* inTheWhiteListAndBlackList = "inthewhitelistandblacklist";

     fillURLListFromPaths(whitelist, inTheWhiteList, inTheWhiteListAndBlackList, 0);
     fillURLListFromPaths(blacklist, inTheWhiteListAndBlackList, 0);
     script = webkit_user_script_new(kInjectedScript, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_SCRIPT_INJECT_AT_DOCUMENT_END, whitelist, blacklist);
     webkit_user_content_manager_add_script(test->m_userContentManager.get(), script);
     webkit_user_script_unref(script);
     g_assert_true(isScriptInjectedForURLAtPath(test, inTheWhiteList));
     g_assert_false(isScriptInjectedForURLAtPath(test, inTheWhiteListAndBlackList));
     g_assert_false(isScriptInjectedForURLAtPath(test, notInWhitelist));

     // It's important to clean up the environment before other tests.
     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);
 }

 class UserScriptMessageTest : public WebViewTest {
 public:
     MAKE_GLIB_TEST_FIXTURE(UserScriptMessageTest);

     UserScriptMessageTest()
         : m_userScriptMessage(nullptr)
     {
     }

     ~UserScriptMessageTest()
     {
         if (m_userScriptMessage)
             webkit_javascript_result_unref(m_userScriptMessage);
     }

     bool registerHandler(const char* handlerName, const char* worldName = nullptr)
     {
         return worldName ? webkit_user_content_manager_register_script_message_handler_in_world(m_userContentManager.get(), handlerName, worldName)
             : webkit_user_content_manager_register_script_message_handler(m_userContentManager.get(), handlerName);
     }

     void unregisterHandler(const char* handlerName, const char* worldName = nullptr)
     {
         return worldName ? webkit_user_content_manager_unregister_script_message_handler_in_world(m_userContentManager.get(), handlerName, worldName)
             : webkit_user_content_manager_unregister_script_message_handler(m_userContentManager.get(), handlerName);
     }

     static void scriptMessageReceived(WebKitUserContentManager* userContentManager, WebKitJavascriptResult* jsResult, UserScriptMessageTest* test)
     {
         g_signal_handlers_disconnect_by_func(userContentManager, reinterpret_cast<gpointer>(scriptMessageReceived), test);
         if (!test->m_waitForScriptRun)
             g_main_loop_quit(test->m_mainLoop);

         g_assert_null(test->m_userScriptMessage);
         test->m_userScriptMessage = webkit_javascript_result_ref(jsResult);
     }

     WebKitJavascriptResult* waitUntilMessageReceived(const char* handlerName)
     {
         if (m_userScriptMessage) {
             webkit_javascript_result_unref(m_userScriptMessage);
             m_userScriptMessage = nullptr;
         }

         GUniquePtr<char> signalName(g_strdup_printf("script-message-received::%s", handlerName));
         g_signal_connect(m_userContentManager.get(), signalName.get(), G_CALLBACK(scriptMessageReceived), this);

         g_main_loop_run(m_mainLoop);
         g_assert_false(m_waitForScriptRun);
         g_assert_nonnull(m_userScriptMessage);
         return m_userScriptMessage;
     }

     static void runJavaScriptFinished(GObject*, GAsyncResult* result, UserScriptMessageTest* test)
     {
         g_assert_true(test->m_waitForScriptRun);
         test->m_waitForScriptRun = false;
         g_main_loop_quit(test->m_mainLoop);
     }

     WebKitJavascriptResult* postMessageAndWaitUntilReceived(const char* handlerName, const char* javascriptValueAsText, const char* worldName = nullptr)
     {
         GUniquePtr<char> javascriptSnippet(g_strdup_printf("window.webkit.messageHandlers.%s.postMessage(%s);", handlerName, javascriptValueAsText));
         m_waitForScriptRun = true;
         if (worldName)
             webkit_web_view_run_javascript_in_world(m_webView, javascriptSnippet.get(), worldName, nullptr, reinterpret_cast<GAsyncReadyCallback>(runJavaScriptFinished), this);
         else
             webkit_web_view_run_javascript(m_webView, javascriptSnippet.get(), nullptr, reinterpret_cast<GAsyncReadyCallback>(runJavaScriptFinished), this);
         return waitUntilMessageReceived(handlerName);
     }

 private:
     WebKitJavascriptResult* m_userScriptMessage;
     bool m_waitForScriptRun { false };
 };

 static void testUserContentManagerScriptMessageReceived(UserScriptMessageTest* test, gconstpointer)
 {
     g_assert_true(test->registerHandler("msg"));

     // Trying to register the same handler a second time must fail.
     g_assert_false(test->registerHandler("msg"));

     test->loadHtml("<html></html>", nullptr);
     test->waitUntilLoadFinished();

     // Check that the "window.webkit.messageHandlers" namespace exists.
     GUniqueOutPtr<GError> error;
     WebKitJavascriptResult* javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers ? 'y' : 'n';", &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());
     GUniquePtr<char> valueString(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "y");

     // Check that the "document.webkit.messageHandlers.msg" namespace exists.
     javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers.msg ? 'y' : 'n';", &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());
     valueString.reset(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "y");

     valueString.reset(WebViewTest::javascriptResultToCString(test->postMessageAndWaitUntilReceived("msg", "'user message'")));
     g_assert_cmpstr(valueString.get(), ==, "user message");

     // Messages should arrive despite of other handlers being registered.
     g_assert_true(test->registerHandler("anotherHandler"));

     // Check that the "document.webkit.messageHandlers.msg" namespace still exists.
     javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers.msg ? 'y' : 'n';", &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());
     valueString.reset(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "y");

     // Check that the "document.webkit.messageHandlers.anotherHandler" namespace exists.
     javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers.anotherHandler ? 'y' : 'n';", &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());
     valueString.reset(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "y");

     valueString.reset(WebViewTest::javascriptResultToCString(test->postMessageAndWaitUntilReceived("msg", "'handler: msg'")));
     g_assert_cmpstr(valueString.get(), ==, "handler: msg");

     valueString.reset(WebViewTest::javascriptResultToCString(test->postMessageAndWaitUntilReceived("anotherHandler", "'handler: anotherHandler'")));
     g_assert_cmpstr(valueString.get(), ==, "handler: anotherHandler");

     // Unregistering a handler and re-registering again under the same name should work.
     test->unregisterHandler("msg");

     javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers.msg.postMessage('42');", &error.outPtr());
     g_assert_null(javascriptResult);
     g_assert_nonnull(error.get());

     // Re-registering a handler that has been unregistered must work
     g_assert_true(test->registerHandler("msg"));
     valueString.reset(WebViewTest::javascriptResultToCString(test->postMessageAndWaitUntilReceived("msg", "'handler: msg'")));
     g_assert_cmpstr(valueString.get(), ==, "handler: msg");

     test->unregisterHandler("anotherHandler");
 }

 static void testUserContentManagerScriptMessageInWorldReceived(UserScriptMessageTest* test, gconstpointer)
 {
     g_assert_true(test->registerHandler("msg"));

     test->loadHtml("<html></html>", nullptr);
     test->waitUntilLoadFinished();

     // Check that the "window.webkit.messageHandlers" namespace doesn't exist in isolated worlds.
     GUniqueOutPtr<GError> error;
     WebKitJavascriptResult* javascriptResult = test->runJavaScriptInWorldAndWaitUntilFinished("window.webkit.messageHandlers ? 'y' : 'n';", "WebExtensionTestScriptWorld", &error.outPtr());
     g_assert_null(javascriptResult);
     g_assert_error(error.get(), WEBKIT_JAVASCRIPT_ERROR, WEBKIT_JAVASCRIPT_ERROR_SCRIPT_FAILED);
     test->unregisterHandler("msg");

     g_assert_true(test->registerHandler("msg", "WebExtensionTestScriptWorld"));

     // Check that the "window.webkit.messageHandlers" namespace exists in the world.
     javascriptResult = test->runJavaScriptInWorldAndWaitUntilFinished("window.webkit.messageHandlers ? 'y' : 'n';", "WebExtensionTestScriptWorld", &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());
     GUniquePtr<char> valueString(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "y");

     valueString.reset(WebViewTest::javascriptResultToCString(test->postMessageAndWaitUntilReceived("msg", "'user message'", "WebExtensionTestScriptWorld")));
     g_assert_cmpstr(valueString.get(), ==, "user message");

     // Post message in main world should fail.
     javascriptResult = test->runJavaScriptAndWaitUntilFinished("window.webkit.messageHandlers.msg.postMessage('42');", &error.outPtr());
     g_assert_null(javascriptResult);
     g_assert_error(error.get(), WEBKIT_JAVASCRIPT_ERROR, WEBKIT_JAVASCRIPT_ERROR_SCRIPT_FAILED);

     test->unregisterHandler("msg", "WebExtensionTestScriptWorld");
 }

 #if PLATFORM(GTK)
 static void testUserContentManagerScriptMessageFromDOMBindings(UserScriptMessageTest* test, gconstpointer)
 {
     g_assert_true(test->registerHandler("dom"));

     test->loadHtml("<html>1</html>", nullptr);
     WebKitJavascriptResult* javascriptResult = test->waitUntilMessageReceived("dom");
     g_assert_nonnull(javascriptResult);
     GUniquePtr<char> valueString(WebViewTest::javascriptResultToCString(javascriptResult));
     g_assert_cmpstr(valueString.get(), ==, "DocumentLoaded");

     test->unregisterHandler("dom");
 }
 #endif

 static bool isCSSBlockedForURLAtPath(WebViewTest* test, const char* path)
 {
     test->loadURI(kServer->getURIForPath(path).data());
     test->waitUntilLoadFinished();

     GUniqueOutPtr<GError> error;
     WebKitJavascriptResult* javascriptResult = test->runJavaScriptAndWaitUntilFinished(kScriptTestCSSBlocked, &error.outPtr());
     g_assert_nonnull(javascriptResult);
     g_assert_no_error(error.get());

     GUniquePtr<char> valueString(WebViewTest::javascriptResultToCString(javascriptResult));
     return !g_strcmp0(valueString.get(), kScriptTestCSSBlockedResult);
 }

 static WebKitUserContentFilter* getUserContentFilter(WebViewTest* test)
 {
     GUniquePtr<char> filtersPath(g_build_filename(test->dataDirectory(), "filters", nullptr));
     WebKitUserContentFilterStore* store = webkit_user_content_filter_store_new(filtersPath.get());
     test->assertObjectIsDeletedWhenTestFinishes(G_OBJECT(store));

     struct Data {
         GMainLoop* mainLoop;
         WebKitUserContentFilter* filter;
     };
     Data data { test->m_mainLoop, nullptr, };

     GRefPtr<GBytes> source = adoptGRef(g_bytes_new_static(kJSONFilter, strlen(kJSONFilter)));
     webkit_user_content_filter_store_save(store, "TestFilter", source.get(), nullptr, [](GObject* sourceObject, GAsyncResult* result, void* userData) {
         auto* data = static_cast<Data*>(userData);
         GUniqueOutPtr<GError> error;
         data->filter = webkit_user_content_filter_store_save_finish(WEBKIT_USER_CONTENT_FILTER_STORE(sourceObject), result, &error.outPtr());
         g_assert_nonnull(data->filter);
         g_assert_no_error(error.get());
         g_main_loop_quit(data->mainLoop);
     }, &data);
     g_main_loop_run(data.mainLoop);

     g_object_unref(store);

     g_assert_nonnull(data.filter);
     return data.filter;
 }

 static void testUserContentManagerContentFilter(WebViewTest* test, gconstpointer)
 {
     char* whitelist[] = { nullptr, nullptr, nullptr };
     char* blacklist[] = { nullptr, nullptr, nullptr };

     removeOldInjectedContentAndResetLists(test->m_userContentManager.get(), whitelist, blacklist);

     static const char* somePath = "somepath";
     g_assert_false(isCSSBlockedForURLAtPath(test, somePath));

     WebKitUserContentFilter* filter = getUserContentFilter(test);
     webkit_user_content_manager_add_filter(test->m_userContentManager.get(), filter);
     g_assert_true(isCSSBlockedForURLAtPath(test, somePath));

     webkit_user_content_manager_remove_filter(test->m_userContentManager.get(), filter);
     g_assert_false(isCSSBlockedForURLAtPath(test, somePath));

     webkit_user_content_filter_unref(filter);
 }

 static void serverCallback(SoupServer* server, SoupMessage* message, const char* path, GHashTable*, SoupClientContext*, gpointer)
 {
     soup_message_set_status(message, SOUP_STATUS_OK);
     if (!g_strcmp0(path, "/extra.css"))
         soup_message_body_append(message->response_body, SOUP_MEMORY_STATIC, kTestCSS, strlen(kTestCSS));
     else
         soup_message_body_append(message->response_body, SOUP_MEMORY_STATIC, kTestHTML, strlen(kTestHTML));
     soup_message_body_complete(message->response_body);
 }

 void beforeAll()
 {
     kServer = new WebKitTestServer();
     kServer->run(serverCallback);

     Test::add("WebKitWebView", "new-with-user-content-manager", testWebViewNewWithUserContentManager);
     WebViewTest::add("WebKitUserContentManager", "injected-style-sheet", testUserContentManagerInjectedStyleSheet);
     WebViewTest::add("WebKitUserContentManager", "injected-script", testUserContentManagerInjectedScript);
     UserScriptMessageTest::add("WebKitUserContentManager", "script-message-received", testUserContentManagerScriptMessageReceived);
     UserScriptMessageTest::add("WebKitUserContentManager", "script-message-in-world-received", testUserContentManagerScriptMessageInWorldReceived);
 #if PLATFORM(GTK)
     UserScriptMessageTest::add("WebKitUserContentManager", "script-message-from-dom-bindings", testUserContentManagerScriptMessageFromDOMBindings);
 #endif
     WebViewTest::add("WebKitUserContentManager", "content-filter", testUserContentManagerContentFilter);
 }

 void afterAll()
 {
     delete kServer;
 }