open_with_browser.cc revision 58537e28ecd584eab876aee8be7156509866d23a 
1// Copyright 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/chromeos/file_manager/open_with_browser.h"
6
7#include "base/bind.h"
8#include "base/command_line.h"
9#include "base/logging.h"
10#include "base/path_service.h"
11#include "base/threading/sequenced_worker_pool.h"
12#include "chrome/browser/chromeos/drive/drive.pb.h"
13#include "chrome/browser/chromeos/drive/file_system.h"
14#include "chrome/browser/chromeos/drive/file_system_util.h"
15#include "chrome/browser/extensions/api/file_handlers/app_file_handler_util.h"
16#include "chrome/browser/extensions/crx_installer.h"
17#include "chrome/browser/extensions/extension_install_prompt.h"
18#include "chrome/browser/extensions/extension_service.h"
19#include "chrome/browser/extensions/extension_system.h"
20#include "chrome/browser/plugins/plugin_prefs.h"
21#include "chrome/browser/profiles/profile.h"
22#include "chrome/browser/profiles/profile_manager.h"
23#include "chrome/browser/ui/browser.h"
24#include "chrome/browser/ui/browser_finder.h"
25#include "chrome/browser/ui/browser_tabstrip.h"
26#include "chrome/browser/ui/browser_window.h"
27#include "chrome/browser/ui/simple_message_box.h"
28#include "chrome/common/chrome_paths.h"
29#include "chrome/common/chrome_switches.h"
30#include "chromeos/chromeos_switches.h"
31#include "content/public/browser/browser_thread.h"
32#include "content/public/browser/plugin_service.h"
33#include "content/public/common/pepper_plugin_info.h"
34#include "content/public/common/webplugininfo.h"
35#include "net/base/net_util.h"
36
37using content::BrowserThread;
38using content::PluginService;
39
40namespace file_manager {
41namespace util {
42namespace {
43
44const base::FilePath::CharType kCRXExtension[] = FILE_PATH_LITERAL(".crx");
45const base::FilePath::CharType kPdfExtension[] = FILE_PATH_LITERAL(".pdf");
46const base::FilePath::CharType kSwfExtension[] = FILE_PATH_LITERAL(".swf");
47
48// List of file extensions viewable in the browser.
49const base::FilePath::CharType* kFileExtensionsViewableInBrowser[] = {
50#if defined(GOOGLE_CHROME_BUILD)
51  FILE_PATH_LITERAL(".pdf"),
52  FILE_PATH_LITERAL(".swf"),
53#endif
54  FILE_PATH_LITERAL(".bmp"),
55  FILE_PATH_LITERAL(".jpg"),
56  FILE_PATH_LITERAL(".jpeg"),
57  FILE_PATH_LITERAL(".png"),
58  FILE_PATH_LITERAL(".webp"),
59  FILE_PATH_LITERAL(".gif"),
60  FILE_PATH_LITERAL(".txt"),
61  FILE_PATH_LITERAL(".html"),
62  FILE_PATH_LITERAL(".htm"),
63  FILE_PATH_LITERAL(".mhtml"),
64  FILE_PATH_LITERAL(".mht"),
65  FILE_PATH_LITERAL(".svg"),
66};
67
68// Returns true if |file_path| is viewable in the browser (ex. HTML file).
69bool IsViewableInBrowser(const base::FilePath& file_path) {
70  for (size_t i = 0; i < arraysize(kFileExtensionsViewableInBrowser); i++) {
71    if (file_path.MatchesExtension(kFileExtensionsViewableInBrowser[i]))
72      return true;
73  }
74  return false;
75}
76
77bool IsPepperPluginEnabled(Profile* profile,
78                           const base::FilePath& plugin_path) {
79  DCHECK(profile);
80
81  content::PepperPluginInfo* pepper_info =
82      PluginService::GetInstance()->GetRegisteredPpapiPluginInfo(plugin_path);
83  if (!pepper_info)
84    return false;
85
86  scoped_refptr<PluginPrefs> plugin_prefs = PluginPrefs::GetForProfile(profile);
87  if (!plugin_prefs.get())
88    return false;
89
90  return plugin_prefs->IsPluginEnabled(pepper_info->ToWebPluginInfo());
91}
92
93bool IsPdfPluginEnabled(Profile* profile) {
94  DCHECK(profile);
95
96  base::FilePath plugin_path;
97  PathService::Get(chrome::FILE_PDF_PLUGIN, &plugin_path);
98  return IsPepperPluginEnabled(profile, plugin_path);
99}
100
101bool IsFlashPluginEnabled(Profile* profile) {
102  DCHECK(profile);
103
104  base::FilePath plugin_path(
105      CommandLine::ForCurrentProcess()->GetSwitchValueNative(
106          switches::kPpapiFlashPath));
107  if (plugin_path.empty())
108    PathService::Get(chrome::FILE_PEPPER_FLASH_PLUGIN, &plugin_path);
109  return IsPepperPluginEnabled(profile, plugin_path);
110}
111
112void OpenNewTab(Profile* profile, const GURL& url) {
113  DCHECK(profile);
114
115  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
116  Browser* browser = chrome::FindOrCreateTabbedBrowser(
117      profile, chrome::HOST_DESKTOP_TYPE_ASH);
118  chrome::AddSelectedTabWithURL(browser, url, content::PAGE_TRANSITION_LINK);
119  // If the current browser is not tabbed then the new tab will be created
120  // in a different browser. Make sure it is visible.
121  browser->window()->Show();
122}
123
124void InstallCRX(Profile* profile, const base::FilePath& file_path) {
125  DCHECK(profile);
126
127  ExtensionService* service =
128      extensions::ExtensionSystem::Get(profile)->extension_service();
129  CHECK(service);
130
131  scoped_refptr<extensions::CrxInstaller> installer(
132      extensions::CrxInstaller::Create(
133          service,
134          scoped_ptr<ExtensionInstallPrompt>(new ExtensionInstallPrompt(
135              profile, NULL, NULL))));
136  installer->set_error_on_unsupported_requirements(true);
137  installer->set_is_gallery_install(false);
138  installer->set_allow_silent_install(false);
139  installer->InstallCrx(file_path);
140}
141
142// Called when a crx file on Drive was downloaded.
143void OnCRXDownloadCallback(Profile* profile,
144                           drive::FileError error,
145                           const base::FilePath& file,
146                           scoped_ptr<drive::ResourceEntry> entry) {
147  DCHECK(profile);
148
149  if (error != drive::FILE_ERROR_OK)
150    return;
151  InstallCRX(profile, file);
152}
153
154// Reads the alternate URL from a GDoc file. When it fails, returns a file URL
155// for |file_path| as fallback.
156// Note that an alternate url is a URL to open a hosted document.
157GURL ReadUrlFromGDocOnBlockingPool(const base::FilePath& file_path) {
158  GURL url = drive::util::ReadUrlFromGDocFile(file_path);
159  if (url.is_empty())
160    url = net::FilePathToFileURL(file_path);
161  return url;
162}
163
164}  // namespace
165
166bool OpenFileWithBrowser(Profile* profile, const base::FilePath& file_path) {
167  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
168  DCHECK(profile);
169
170  // For things supported natively by the browser, we should open it
171  // in a tab.
172  if (IsViewableInBrowser(file_path) ||
173      ShouldBeOpenedWithPlugin(profile, file_path.Extension())) {
174    GURL page_url = net::FilePathToFileURL(file_path);
175    // Override drive resource to point to internal handler instead of file URL.
176    if (drive::util::IsUnderDriveMountPoint(file_path)) {
177      page_url = drive::util::FilePathToDriveURL(
178          drive::util::ExtractDrivePath(file_path));
179    }
180    OpenNewTab(profile, page_url);
181    return true;
182  }
183
184  if (drive::util::HasGDocFileExtension(file_path)) {
185    if (drive::util::IsUnderDriveMountPoint(file_path)) {
186      // The file is on Google Docs. Open with drive URL.
187      GURL url = drive::util::FilePathToDriveURL(
188          drive::util::ExtractDrivePath(file_path));
189      OpenNewTab(profile, url);
190    } else {
191      // The file is local (downloaded from an attachment or otherwise copied).
192      // Parse the file to extract the Docs url and open this url.
193      base::PostTaskAndReplyWithResult(
194          BrowserThread::GetBlockingPool(),
195          FROM_HERE,
196          base::Bind(&ReadUrlFromGDocOnBlockingPool, file_path),
197          base::Bind(&OpenNewTab, static_cast<Profile*>(NULL)));
198    }
199    return true;
200  }
201
202  if (file_path.MatchesExtension(kCRXExtension)) {
203    if (drive::util::IsUnderDriveMountPoint(file_path)) {
204      drive::FileSystemInterface* file_system =
205          drive::util::GetFileSystemByProfile(profile);
206      if (!file_system)
207        return false;
208      file_system->GetFileByPath(
209          drive::util::ExtractDrivePath(file_path),
210          base::Bind(&OnCRXDownloadCallback, profile));
211    } else {
212      InstallCRX(profile, file_path);
213    }
214    return true;
215  }
216
217  // Failed to open the file of unknown type.
218  LOG(WARNING) << "Unknown file type: " << file_path.value();
219  return false;
220}
221
222// If a bundled plugin is enabled, we should open pdf/swf files in a tab.
223bool ShouldBeOpenedWithPlugin(
224    Profile* profile,
225    const base::FilePath::StringType& file_extension) {
226  DCHECK(profile);
227
228  const base::FilePath file_path =
229      base::FilePath::FromUTF8Unsafe("dummy").AddExtension(file_extension);
230  if (file_path.MatchesExtension(kPdfExtension))
231    return IsPdfPluginEnabled(profile);
232  if (file_path.MatchesExtension(kSwfExtension))
233    return IsFlashPluginEnabled(profile);
234  return false;
235}
236
237}  // namespace util
238}  // namespace file_manager
239