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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/extensions/manifest_tests/chrome_manifest_test.h"
#include "chrome/common/webui_url_constants.h"
#include "extensions/common/error_utils.h"
#include "extensions/common/extension.h"
#include "extensions/common/file_util.h"
#include "extensions/common/manifest_constants.h"
#include "extensions/common/manifest_handlers/content_scripts_handler.h"
#include "extensions/common/mojom/match_origin_as_fallback.mojom-shared.h"
#include "extensions/common/switches.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace errors = manifest_errors;
class ContentScriptsManifestTest : public ChromeManifestTest {
};
TEST_F(ContentScriptsManifestTest, MatchPattern) {
const Testcase testcases[] = {
// chrome:// urls are not allowed.
Testcase("content_script_invalid_match_chrome_url.json",
ErrorUtils::FormatErrorMessage(
errors::kInvalidMatch, base::NumberToString(0),
base::NumberToString(0),
URLPattern::GetParseResultString(
URLPattern::ParseResult::kInvalidScheme))),
// chrome-extension:// urls are not allowed.
Testcase("content_script_invalid_match_chrome_extension_url.json",
ErrorUtils::FormatErrorMessage(
errors::kInvalidMatch, base::NumberToString(0),
base::NumberToString(0),
URLPattern::GetParseResultString(
URLPattern::ParseResult::kInvalidScheme))),
// isolated-app:// urls are not allowed.
Testcase("content_script_invalid_match_isolated_app_url.json",
ErrorUtils::FormatErrorMessage(
errors::kInvalidMatch, base::NumberToString(0),
base::NumberToString(0),
URLPattern::GetParseResultString(
URLPattern::ParseResult::kInvalidScheme))),
// Match paterns must be strings.
Testcase("content_script_match_pattern_not_string.json",
"Error at key 'content_scripts'. Parsing array failed at index "
"0: Error at key 'matches': Parsing array failed at index 0: "
"expected string, got integer")};
RunTestcases(testcases, EXPECT_TYPE_ERROR);
LoadAndExpectSuccess("ports_in_content_scripts.json");
}
TEST_F(ContentScriptsManifestTest, OnChromeUrlsWithFlag) {
base::CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kExtensionsOnChromeURLs);
scoped_refptr<Extension> extension =
LoadAndExpectSuccess("content_script_invalid_match_chrome_url.json");
const GURL newtab_url(chrome::kChromeUINewTabURL);
EXPECT_TRUE(
ContentScriptsInfo::ExtensionHasScriptAtURL(extension.get(), newtab_url));
}
TEST_F(ContentScriptsManifestTest, ScriptableHosts) {
// TODO(yoz): Test GetScriptableHosts.
scoped_refptr<Extension> extension =
LoadAndExpectSuccess("content_script_yahoo.json");
URLPatternSet scriptable_hosts =
ContentScriptsInfo::GetScriptableHosts(extension.get());
URLPatternSet expected;
expected.AddPattern(
URLPattern(URLPattern::SCHEME_HTTP, "http://yahoo.com/*"));
EXPECT_EQ(expected, scriptable_hosts);
}
TEST_F(ContentScriptsManifestTest, ContentScriptIds) {
scoped_refptr<Extension> extension1 =
LoadAndExpectSuccess("content_script_yahoo.json");
scoped_refptr<Extension> extension2 =
LoadAndExpectSuccess("content_script_yahoo.json");
const UserScriptList& user_scripts1 =
ContentScriptsInfo::GetContentScripts(extension1.get());
ASSERT_EQ(1u, user_scripts1.size());
const UserScriptList& user_scripts2 =
ContentScriptsInfo::GetContentScripts(extension2.get());
ASSERT_EQ(1u, user_scripts2.size());
// The two content scripts should have different ids.
EXPECT_NE(user_scripts2[0]->id(), user_scripts1[0]->id());
}
TEST_F(ContentScriptsManifestTest, FailLoadingNonUTF8Scripts) {
base::FilePath install_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &install_dir));
install_dir = install_dir.AppendASCII("extensions")
.AppendASCII("bad")
.AppendASCII("bad_encoding");
std::string error;
scoped_refptr<Extension> extension(
file_util::LoadExtension(install_dir, mojom::ManifestLocation::kUnpacked,
Extension::NO_FLAGS, &error));
ASSERT_EQ(extension.get(), nullptr);
ASSERT_STREQ(
"Could not load file 'bad_encoding.js' for content script. "
"It isn't UTF-8 encoded.",
error.c_str());
}
TEST_F(ContentScriptsManifestTest, FailLoadingNonJsScripts) {
static constexpr char kWarning[] =
"Invalid script mime type: 'Could not load file 'files/bad_script.json' "
"for content script, content scripts can only be loaded from supported "
"JavaScript files such as .js files.'";
scoped_refptr<Extension> extension =
LoadAndExpectWarning("mime_type/bad_content_script.json", kWarning);
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
EXPECT_TRUE(user_scripts.empty());
}
TEST_F(ContentScriptsManifestTest, AllowLoadingScssStyleSheets) {
scoped_refptr<Extension> extension =
LoadAndExpectWarnings("mime_type/good_scss_style_sheet.json", {});
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
EXPECT_EQ(1u, user_scripts.size());
}
TEST_F(ContentScriptsManifestTest, AllowLoadingUserJsContentScripts) {
scoped_refptr<Extension> extension =
LoadAndExpectWarnings("mime_type/good_user_js_script.json", {});
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
EXPECT_EQ(1u, user_scripts.size());
}
TEST_F(ContentScriptsManifestTest, MatchOriginAsFallback) {
scoped_refptr<const Extension> extension =
LoadAndExpectSuccess("content_script_match_origin_as_fallback.json");
ASSERT_TRUE(extension);
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
ASSERT_EQ(7u, user_scripts.size());
// The first script specifies `"match_origin_as_fallback": true`.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kAlways,
user_scripts[0]->match_origin_as_fallback());
// The second specifies `"match_origin_as_fallback": false`.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kNever,
user_scripts[1]->match_origin_as_fallback());
// The third specifies `"match_about_blank": true`.
EXPECT_EQ(
mojom::MatchOriginAsFallbackBehavior::kMatchForAboutSchemeAndClimbTree,
user_scripts[2]->match_origin_as_fallback());
// The fourth specifies `"match_about_blank": false`.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kNever,
user_scripts[3]->match_origin_as_fallback());
// The fifth specifies `"match_origin_as_fallback": false` *and*
// `"match_about_blank": true`. "match_origin_as_fallback" takes precedence.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kNever,
user_scripts[4]->match_origin_as_fallback());
// The sixth specifies `"match_origin_as_fallback": true` *and*
// `"match_about_blank": false`. "match_origin_as_fallback" takes precedence.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kAlways,
user_scripts[5]->match_origin_as_fallback());
// The seventh and final does not specify a value for either.
EXPECT_EQ(mojom::MatchOriginAsFallbackBehavior::kNever,
user_scripts[6]->match_origin_as_fallback());
}
TEST_F(ContentScriptsManifestTest, MatchOriginAsFallback_InvalidCases) {
LoadAndExpectError(
"content_script_match_origin_as_fallback_invalid_with_paths.json",
errors::kMatchOriginAsFallbackCantHavePaths);
}
TEST_F(ContentScriptsManifestTest, ExecutionWorld) {
scoped_refptr<const Extension> extension =
LoadAndExpectSuccess("content_script_execution_world.json");
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
ASSERT_EQ(3u, user_scripts.size());
// Content scripts which don't specify an execution world will default to the
// isolated world.
EXPECT_EQ(mojom::ExecutionWorld::kIsolated,
user_scripts[0]->execution_world());
// Content scripts which specify an execution world will run on the world that
// was specified.
EXPECT_EQ(mojom::ExecutionWorld::kMain, user_scripts[1]->execution_world());
EXPECT_EQ(mojom::ExecutionWorld::kIsolated,
user_scripts[2]->execution_world());
}
TEST_F(ContentScriptsManifestTest, ExecutionWorld_InvalidForMV2) {
scoped_refptr<const Extension> extension = LoadAndExpectWarning(
"content_script_execution_world_warning_for_mv2.json",
errors::kExecutionWorldRestrictedToMV3);
const UserScriptList& user_scripts =
ContentScriptsInfo::GetContentScripts(extension.get());
ASSERT_EQ(1u, user_scripts.size());
// The content script parsed from the manifest should be executing in the
// isolated world.
EXPECT_EQ(mojom::ExecutionWorld::kIsolated,
user_scripts[0]->execution_world());
}
} // namespace extensions
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