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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/extensions/user_script_loader.h" | |
| 6 | |
| 7 #include <set> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "base/files/file_util.h" | |
| 12 #include "base/files/scoped_temp_dir.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/strings/string_util.h" | |
| 15 #include "chrome/browser/chrome_notification_types.h" | |
| 16 #include "chrome/test/base/testing_profile.h" | |
| 17 #include "content/public/browser/notification_observer.h" | |
| 18 #include "content/public/browser/notification_registrar.h" | |
| 19 #include "content/public/browser/notification_service.h" | |
| 20 #include "content/public/test/test_browser_thread.h" | |
| 21 #include "testing/gtest/include/gtest/gtest.h" | |
| 22 | |
| 23 using content::BrowserThread; | |
| 24 using extensions::URLPatternSet; | |
| 25 | |
| 26 namespace { | |
| 27 | |
| 28 static void AddPattern(URLPatternSet* extent, const std::string& pattern) { | |
| 29 int schemes = URLPattern::SCHEME_ALL; | |
| 30 extent->AddPattern(URLPattern(schemes, pattern)); | |
| 31 } | |
| 32 } | |
| 33 | |
| 34 namespace extensions { | |
| 35 | |
| 36 // Test bringing up a script loader on a specific directory, putting a script | |
| 37 // in there, etc. | |
| 38 | |
| 39 class UserScriptLoaderTest : public testing::Test, | |
| 40 public content::NotificationObserver { | |
| 41 public: | |
| 42 UserScriptLoaderTest() : shared_memory_(NULL) {} | |
| 43 | |
| 44 void SetUp() override { | |
| 45 ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); | |
| 46 | |
| 47 // Register for all user script notifications. | |
| 48 registrar_.Add(this, | |
| 49 extensions::NOTIFICATION_USER_SCRIPTS_UPDATED, | |
| 50 content::NotificationService::AllSources()); | |
| 51 | |
| 52 // UserScriptLoader posts tasks to the file thread so make the current | |
| 53 // thread look like one. | |
| 54 file_thread_.reset(new content::TestBrowserThread( | |
| 55 BrowserThread::FILE, base::MessageLoop::current())); | |
| 56 ui_thread_.reset(new content::TestBrowserThread( | |
| 57 BrowserThread::UI, base::MessageLoop::current())); | |
| 58 } | |
| 59 | |
| 60 void TearDown() override { | |
| 61 file_thread_.reset(); | |
| 62 ui_thread_.reset(); | |
| 63 } | |
| 64 | |
| 65 void Observe(int type, | |
| 66 const content::NotificationSource& source, | |
| 67 const content::NotificationDetails& details) override { | |
| 68 DCHECK(type == extensions::NOTIFICATION_USER_SCRIPTS_UPDATED); | |
| 69 | |
| 70 shared_memory_ = content::Details<base::SharedMemory>(details).ptr(); | |
| 71 if (base::MessageLoop::current() == &message_loop_) | |
| 72 base::MessageLoop::current()->Quit(); | |
| 73 } | |
| 74 | |
| 75 // Directory containing user scripts. | |
| 76 base::ScopedTempDir temp_dir_; | |
| 77 | |
| 78 content::NotificationRegistrar registrar_; | |
| 79 | |
| 80 // MessageLoop used in tests. | |
| 81 base::MessageLoopForUI message_loop_; | |
| 82 | |
| 83 scoped_ptr<content::TestBrowserThread> file_thread_; | |
| 84 scoped_ptr<content::TestBrowserThread> ui_thread_; | |
| 85 | |
| 86 // Updated to the script shared memory when we get notified. | |
| 87 base::SharedMemory* shared_memory_; | |
| 88 }; | |
| 89 | |
| 90 // Test that we get notified even when there are no scripts. | |
| 91 TEST_F(UserScriptLoaderTest, NoScripts) { | |
| 92 TestingProfile profile; | |
| 93 UserScriptLoader loader(&profile, | |
| 94 std::string() /* owner_extension_id */, | |
| 95 true /* listen_for_extension_system_loaded */); | |
| 96 loader.StartLoad(); | |
| 97 message_loop_.PostTask(FROM_HERE, base::MessageLoop::QuitClosure()); | |
| 98 message_loop_.Run(); | |
| 99 | |
| 100 ASSERT_TRUE(shared_memory_ != NULL); | |
| 101 } | |
| 102 | |
| 103 TEST_F(UserScriptLoaderTest, Parse1) { | |
| 104 const std::string text( | |
| 105 "// This is my awesome script\n" | |
| 106 "// It does stuff.\n" | |
| 107 "// ==UserScript== trailing garbage\n" | |
| 108 "// @name foobar script\n" | |
| 109 "// @namespace http://www.google.com/\n" | |
| 110 "// @include *mail.google.com*\n" | |
| 111 "// \n" | |
| 112 "// @othergarbage\n" | |
| 113 "// @include *mail.yahoo.com*\r\n" | |
| 114 "// @include \t *mail.msn.com*\n" // extra spaces after "@include" OK | |
| 115 "//@include not-recognized\n" // must have one space after "//" | |
| 116 "// ==/UserScript== trailing garbage\n" | |
| 117 "\n" | |
| 118 "\n" | |
| 119 "alert('hoo!');\n"); | |
| 120 | |
| 121 UserScript script; | |
| 122 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 123 ASSERT_EQ(3U, script.globs().size()); | |
| 124 EXPECT_EQ("*mail.google.com*", script.globs()[0]); | |
| 125 EXPECT_EQ("*mail.yahoo.com*", script.globs()[1]); | |
| 126 EXPECT_EQ("*mail.msn.com*", script.globs()[2]); | |
| 127 } | |
| 128 | |
| 129 TEST_F(UserScriptLoaderTest, Parse2) { | |
| 130 const std::string text("default to @include *"); | |
| 131 | |
| 132 UserScript script; | |
| 133 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 134 ASSERT_EQ(1U, script.globs().size()); | |
| 135 EXPECT_EQ("*", script.globs()[0]); | |
| 136 } | |
| 137 | |
| 138 TEST_F(UserScriptLoaderTest, Parse3) { | |
| 139 const std::string text( | |
| 140 "// ==UserScript==\n" | |
| 141 "// @include *foo*\n" | |
| 142 "// ==/UserScript=="); // no trailing newline | |
| 143 | |
| 144 UserScript script; | |
| 145 UserScriptLoader::ParseMetadataHeader(text, &script); | |
| 146 ASSERT_EQ(1U, script.globs().size()); | |
| 147 EXPECT_EQ("*foo*", script.globs()[0]); | |
| 148 } | |
| 149 | |
| 150 TEST_F(UserScriptLoaderTest, Parse4) { | |
| 151 const std::string text( | |
| 152 "// ==UserScript==\n" | |
| 153 "// @match http://*.mail.google.com/*\n" | |
| 154 "// @match \t http://mail.yahoo.com/*\n" | |
| 155 "// ==/UserScript==\n"); | |
| 156 | |
| 157 URLPatternSet expected_patterns; | |
| 158 AddPattern(&expected_patterns, "http://*.mail.google.com/*"); | |
| 159 AddPattern(&expected_patterns, "http://mail.yahoo.com/*"); | |
| 160 | |
| 161 UserScript script; | |
| 162 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 163 EXPECT_EQ(0U, script.globs().size()); | |
| 164 EXPECT_EQ(expected_patterns, script.url_patterns()); | |
| 165 } | |
| 166 | |
| 167 TEST_F(UserScriptLoaderTest, Parse5) { | |
| 168 const std::string text( | |
| 169 "// ==UserScript==\n" | |
| 170 "// @match http://*mail.google.com/*\n" | |
| 171 "// ==/UserScript==\n"); | |
| 172 | |
| 173 // Invalid @match value. | |
| 174 UserScript script; | |
| 175 EXPECT_FALSE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 176 } | |
| 177 | |
| 178 TEST_F(UserScriptLoaderTest, Parse6) { | |
| 179 const std::string text( | |
| 180 "// ==UserScript==\n" | |
| 181 "// @include http://*.mail.google.com/*\n" | |
| 182 "// @match \t http://mail.yahoo.com/*\n" | |
| 183 "// ==/UserScript==\n"); | |
| 184 | |
| 185 // Allowed to match @include and @match. | |
| 186 UserScript script; | |
| 187 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 188 } | |
| 189 | |
| 190 TEST_F(UserScriptLoaderTest, Parse7) { | |
| 191 // Greasemonkey allows there to be any leading text before the comment marker. | |
| 192 const std::string text( | |
| 193 "// ==UserScript==\n" | |
| 194 "adsasdfasf// @name hello\n" | |
| 195 " // @description\twiggity woo\n" | |
| 196 "\t// @match \t http://mail.yahoo.com/*\n" | |
| 197 "// ==/UserScript==\n"); | |
| 198 | |
| 199 UserScript script; | |
| 200 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 201 ASSERT_EQ("hello", script.name()); | |
| 202 ASSERT_EQ("wiggity woo", script.description()); | |
| 203 ASSERT_EQ(1U, script.url_patterns().patterns().size()); | |
| 204 EXPECT_EQ("http://mail.yahoo.com/*", | |
| 205 script.url_patterns().begin()->GetAsString()); | |
| 206 } | |
| 207 | |
| 208 TEST_F(UserScriptLoaderTest, Parse8) { | |
| 209 const std::string text( | |
| 210 "// ==UserScript==\n" | |
| 211 "// @name myscript\n" | |
| 212 "// @match http://www.google.com/*\n" | |
| 213 "// @exclude_match http://www.google.com/foo*\n" | |
| 214 "// ==/UserScript==\n"); | |
| 215 | |
| 216 UserScript script; | |
| 217 EXPECT_TRUE(UserScriptLoader::ParseMetadataHeader(text, &script)); | |
| 218 ASSERT_EQ("myscript", script.name()); | |
| 219 ASSERT_EQ(1U, script.url_patterns().patterns().size()); | |
| 220 EXPECT_EQ("http://www.google.com/*", | |
| 221 script.url_patterns().begin()->GetAsString()); | |
| 222 ASSERT_EQ(1U, script.exclude_url_patterns().patterns().size()); | |
| 223 EXPECT_EQ("http://www.google.com/foo*", | |
| 224 script.exclude_url_patterns().begin()->GetAsString()); | |
| 225 } | |
| 226 | |
| 227 TEST_F(UserScriptLoaderTest, SkipBOMAtTheBeginning) { | |
| 228 base::FilePath path = temp_dir_.path().AppendASCII("script.user.js"); | |
| 229 const std::string content("\xEF\xBB\xBF alert('hello');"); | |
| 230 size_t written = base::WriteFile(path, content.c_str(), content.size()); | |
| 231 ASSERT_EQ(written, content.size()); | |
| 232 | |
| 233 UserScript user_script; | |
| 234 user_script.js_scripts().push_back( | |
| 235 UserScript::File(temp_dir_.path(), path.BaseName(), GURL())); | |
| 236 | |
| 237 UserScriptList user_scripts; | |
| 238 user_scripts.push_back(user_script); | |
| 239 | |
| 240 UserScriptLoader::LoadScriptsForTest(&user_scripts); | |
| 241 | |
| 242 EXPECT_EQ(content.substr(3), | |
| 243 user_scripts[0].js_scripts()[0].GetContent().as_string()); | |
| 244 } | |
| 245 | |
| 246 TEST_F(UserScriptLoaderTest, LeaveBOMNotAtTheBeginning) { | |
| 247 base::FilePath path = temp_dir_.path().AppendASCII("script.user.js"); | |
| 248 const std::string content("alert('here's a BOOM: \xEF\xBB\xBF');"); | |
| 249 size_t written = base::WriteFile(path, content.c_str(), content.size()); | |
| 250 ASSERT_EQ(written, content.size()); | |
| 251 | |
| 252 UserScript user_script; | |
| 253 user_script.js_scripts().push_back(UserScript::File( | |
| 254 temp_dir_.path(), path.BaseName(), GURL())); | |
| 255 | |
| 256 UserScriptList user_scripts; | |
| 257 user_scripts.push_back(user_script); | |
| 258 | |
| 259 UserScriptLoader::LoadScriptsForTest(&user_scripts); | |
| 260 | |
| 261 EXPECT_EQ(content, user_scripts[0].js_scripts()[0].GetContent().as_string()); | |
| 262 } | |
| 263 | |
| 264 } // namespace extensions | |
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Chromium Code Reviews
Issue 822453002:
Introduce HostID and de-couple Extensions from "script injection System" [browser side] (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master