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1 // Copyright (c) 2013 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/api/execute_code_function.h" | |
6 | |
7 #include "chrome/browser/extensions/api/tabs/tabs_constants.h" | |
8 #include "chrome/common/extensions/api/i18n/default_locale_handler.h" | |
9 #include "extensions/browser/component_extension_resource_manager.h" | |
10 #include "extensions/browser/extensions_browser_client.h" | |
11 #include "extensions/browser/file_reader.h" | |
12 #include "extensions/common/error_utils.h" | |
13 #include "extensions/common/extension_messages.h" | |
14 #include "extensions/common/file_util.h" | |
15 #include "extensions/common/message_bundle.h" | |
16 #include "net/base/filename_util.h" | |
17 #include "ui/base/resource/resource_bundle.h" | |
18 | |
19 namespace extensions { | |
20 | |
21 namespace keys = tabs_constants; | |
22 using api::tabs::InjectDetails; | |
23 | |
24 ExecuteCodeFunction::ExecuteCodeFunction() { | |
25 } | |
26 | |
27 ExecuteCodeFunction::~ExecuteCodeFunction() { | |
28 } | |
29 | |
30 void ExecuteCodeFunction::DidLoadFile(bool success, | |
31 const std::string& data) { | |
32 | |
33 if (!success || !details_->file) { | |
34 DidLoadAndLocalizeFile(success, data); | |
35 return; | |
36 } | |
37 | |
38 ScriptExecutor::ScriptType script_type = | |
39 ShouldInsertCSS() ? ScriptExecutor::CSS : ScriptExecutor::JAVASCRIPT; | |
40 | |
41 std::string extension_id; | |
42 base::FilePath extension_path; | |
43 std::string extension_default_locale; | |
44 if (extension()) { | |
45 extension_id = extension()->id(); | |
46 extension_path = extension()->path(); | |
47 extension_default_locale = LocaleInfo::GetDefaultLocale(extension()); | |
48 } | |
49 | |
50 content::BrowserThread::PostTask( | |
51 content::BrowserThread::FILE, FROM_HERE, | |
52 base::Bind(&ExecuteCodeFunction::GetFileURLAndLocalizeCSS, this, | |
53 script_type, | |
54 data, | |
55 extension_id, | |
56 extension_path, | |
57 extension_default_locale)); | |
58 } | |
59 | |
60 void ExecuteCodeFunction::GetFileURLAndLocalizeCSS( | |
61 ScriptExecutor::ScriptType script_type, | |
62 const std::string& data, | |
63 const std::string& extension_id, | |
64 const base::FilePath& extension_path, | |
65 const std::string& extension_default_locale) { | |
66 | |
67 std::string localized_data = data; | |
68 // Check if the file is CSS and needs localization. | |
69 if ((script_type == ScriptExecutor::CSS) && | |
70 !extension_id.empty() && | |
71 (data.find(MessageBundle::kMessageBegin) != std::string::npos)) { | |
72 scoped_ptr<SubstitutionMap> localization_messages( | |
73 file_util::LoadMessageBundleSubstitutionMap( | |
74 extension_path, extension_id, extension_default_locale)); | |
75 | |
76 // We need to do message replacement on the data, so it has to be mutable. | |
77 std::string error; | |
78 MessageBundle::ReplaceMessagesWithExternalDictionary(*localization_messages, | |
79 &localized_data, | |
80 &error); | |
81 } | |
82 | |
83 file_url_ = net::FilePathToFileURL(resource_.GetFilePath()); | |
84 | |
85 // Call back DidLoadAndLocalizeFile on the UI thread. The success parameter | |
86 // is always true, because if loading had failed, we wouldn't have had | |
87 // anything to localize. | |
88 content::BrowserThread::PostTask( | |
89 content::BrowserThread::UI, FROM_HERE, | |
90 base::Bind(&ExecuteCodeFunction::DidLoadAndLocalizeFile, this, | |
91 true, localized_data)); | |
92 } | |
93 | |
94 void ExecuteCodeFunction::DidLoadAndLocalizeFile(bool success, | |
95 const std::string& data) { | |
96 if (success) { | |
97 if (!Execute(data)) | |
98 SendResponse(false); | |
99 } else { | |
100 // TODO(viettrungluu): bug: there's no particular reason the path should be | |
101 // UTF-8, in which case this may fail. | |
102 error_ = ErrorUtils::FormatErrorMessage(keys::kLoadFileError, | |
103 resource_.relative_path().AsUTF8Unsafe()); | |
104 SendResponse(false); | |
105 } | |
106 } | |
107 | |
108 bool ExecuteCodeFunction::Execute(const std::string& code_string) { | |
109 ScriptExecutor* executor = GetScriptExecutor(); | |
110 if (!executor) | |
111 return false; | |
112 | |
113 if (!extension()) | |
114 return false; | |
115 | |
116 ScriptExecutor::ScriptType script_type = ScriptExecutor::JAVASCRIPT; | |
117 if (ShouldInsertCSS()) | |
118 script_type = ScriptExecutor::CSS; | |
119 | |
120 ScriptExecutor::FrameScope frame_scope = | |
121 details_->all_frames.get() && *details_->all_frames ? | |
122 ScriptExecutor::ALL_FRAMES : | |
123 ScriptExecutor::TOP_FRAME; | |
124 | |
125 ScriptExecutor::MatchAboutBlank match_about_blank = | |
126 details_->match_about_blank.get() && *details_->match_about_blank ? | |
127 ScriptExecutor::MATCH_ABOUT_BLANK : | |
128 ScriptExecutor::DONT_MATCH_ABOUT_BLANK; | |
129 | |
130 UserScript::RunLocation run_at = | |
131 UserScript::UNDEFINED; | |
132 switch (details_->run_at) { | |
133 case InjectDetails::RUN_AT_NONE: | |
134 case InjectDetails::RUN_AT_DOCUMENT_IDLE: | |
135 run_at = UserScript::DOCUMENT_IDLE; | |
136 break; | |
137 case InjectDetails::RUN_AT_DOCUMENT_START: | |
138 run_at = UserScript::DOCUMENT_START; | |
139 break; | |
140 case InjectDetails::RUN_AT_DOCUMENT_END: | |
141 run_at = UserScript::DOCUMENT_END; | |
142 break; | |
143 } | |
144 CHECK_NE(UserScript::UNDEFINED, run_at); | |
145 | |
146 executor->ExecuteScript( | |
147 extension()->id(), | |
148 script_type, | |
149 code_string, | |
150 frame_scope, | |
151 match_about_blank, | |
152 run_at, | |
153 ScriptExecutor::ISOLATED_WORLD, | |
154 IsWebView() ? ScriptExecutor::WEB_VIEW_PROCESS | |
155 : ScriptExecutor::DEFAULT_PROCESS, | |
156 GetWebViewSrc(), | |
157 file_url_, | |
158 user_gesture_, | |
159 has_callback() ? ScriptExecutor::JSON_SERIALIZED_RESULT | |
160 : ScriptExecutor::NO_RESULT, | |
161 base::Bind(&ExecuteCodeFunction::OnExecuteCodeFinished, this)); | |
162 return true; | |
163 } | |
164 | |
165 bool ExecuteCodeFunction::HasPermission() { | |
166 return true; | |
167 } | |
168 | |
169 bool ExecuteCodeFunction::RunAsync() { | |
170 EXTENSION_FUNCTION_VALIDATE(Init()); | |
171 | |
172 if (!details_->code.get() && !details_->file.get()) { | |
173 error_ = keys::kNoCodeOrFileToExecuteError; | |
174 return false; | |
175 } | |
176 if (details_->code.get() && details_->file.get()) { | |
177 error_ = keys::kMoreThanOneValuesError; | |
178 return false; | |
179 } | |
180 | |
181 if (!CanExecuteScriptOnPage()) | |
182 return false; | |
183 | |
184 if (details_->code.get()) | |
185 return Execute(*details_->code); | |
186 | |
187 if (!details_->file.get()) | |
188 return false; | |
189 resource_ = extension()->GetResource(*details_->file); | |
190 | |
191 if (resource_.extension_root().empty() || resource_.relative_path().empty()) { | |
192 error_ = keys::kNoCodeOrFileToExecuteError; | |
193 return false; | |
194 } | |
195 | |
196 int resource_id; | |
197 if (ExtensionsBrowserClient::Get()->GetComponentExtensionResourceManager()-> | |
198 IsComponentExtensionResource( | |
199 resource_.extension_root(), resource_.relative_path(), | |
200 &resource_id)) { | |
201 const ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
202 DidLoadFile(true, rb.GetRawDataResource(resource_id).as_string()); | |
203 } else { | |
204 scoped_refptr<FileReader> file_reader(new FileReader( | |
205 resource_, base::Bind(&ExecuteCodeFunction::DidLoadFile, this))); | |
206 file_reader->Start(); | |
207 } | |
208 | |
209 return true; | |
210 } | |
211 | |
212 void ExecuteCodeFunction::OnExecuteCodeFinished( | |
213 const std::string& error, | |
214 const GURL& on_url, | |
215 const base::ListValue& result) { | |
216 if (!error.empty()) | |
217 SetError(error); | |
218 | |
219 SendResponse(error.empty()); | |
220 } | |
221 | |
222 } // namespace extensions | |
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