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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "extensions/shell/browser/shell_nacl_browser_delegate.h"
- #include <string>
- #include "base/base_paths.h"
- #include "base/command_line.h"
- #include "base/logging.h"
- #include "base/path_service.h"
- #include "base/strings/string_split.h"
- #include "base/strings/string_util.h"
- #include "build/build_config.h"
- #include "content/public/browser/browser_context.h"
- #include "content/public/browser/browser_thread.h"
- #include "content/public/browser/render_frame_host.h"
- #include "content/public/browser/site_instance.h"
- #include "extensions/browser/extension_registry.h"
- #include "extensions/browser/extension_system.h"
- #include "extensions/browser/process_manager.h"
- #include "extensions/common/constants.h"
- #include "extensions/common/extension.h"
- #include "extensions/common/url_pattern.h"
- #include "extensions/shell/common/version.h" // Generated file.
- #include "url/gurl.h"
- using content::BrowserContext;
- using content::BrowserThread;
- using content::BrowserPpapiHost;
- namespace extensions {
- ShellNaClBrowserDelegate::ShellNaClBrowserDelegate(BrowserContext* context)
- : browser_context_(context) {
- DCHECK(browser_context_);
- }
- ShellNaClBrowserDelegate::~ShellNaClBrowserDelegate() {
- }
- void ShellNaClBrowserDelegate::ShowMissingArchInfobar(int render_process_id,
- int render_frame_id) {
- // app_shell does not have infobars.
- LOG(ERROR) << "Missing architecture for pid " << render_process_id;
- }
- bool ShellNaClBrowserDelegate::DialogsAreSuppressed() {
- return false;
- }
- bool ShellNaClBrowserDelegate::GetCacheDirectory(base::FilePath* cache_dir) {
- // Just use the general cache directory, not a subdirectory like Chrome does.
- #if BUILDFLAG(IS_POSIX)
- return base::PathService::Get(base::DIR_CACHE, cache_dir);
- #elif BUILDFLAG(IS_WIN)
- // TODO(yoz): Find an appropriate persistent directory to use here.
- return base::PathService::Get(base::DIR_TEMP, cache_dir);
- #endif
- }
- bool ShellNaClBrowserDelegate::GetPluginDirectory(base::FilePath* plugin_dir) {
- // On Posix, plugins are in the module directory.
- return base::PathService::Get(base::DIR_MODULE, plugin_dir);
- }
- bool ShellNaClBrowserDelegate::GetPnaclDirectory(base::FilePath* pnacl_dir) {
- // On Posix, the pnacl directory is inside the plugin directory.
- base::FilePath plugin_dir;
- if (!GetPluginDirectory(&plugin_dir))
- return false;
- *pnacl_dir = plugin_dir.Append(FILE_PATH_LITERAL("pnacl"));
- return true;
- }
- bool ShellNaClBrowserDelegate::GetUserDirectory(base::FilePath* user_dir) {
- base::FilePath path = browser_context_->GetPath();
- if (!path.empty()) {
- *user_dir = path;
- return true;
- }
- return false;
- }
- std::string ShellNaClBrowserDelegate::GetVersionString() const {
- // A version change triggers an update of the NaCl validation caches.
- // Example version: "39.0.2129.0 (290550)".
- return PRODUCT_VERSION " (" LAST_CHANGE ")";
- }
- ppapi::host::HostFactory* ShellNaClBrowserDelegate::CreatePpapiHostFactory(
- content::BrowserPpapiHost* ppapi_host) {
- return NULL;
- }
- void ShellNaClBrowserDelegate::SetDebugPatterns(
- const std::string& debug_patterns) {
- // No debugger support. Developers should use Chrome for debugging.
- }
- bool ShellNaClBrowserDelegate::URLMatchesDebugPatterns(
- const GURL& manifest_url) {
- // No debugger support. Developers should use Chrome for debugging.
- return false;
- }
- // This function is security sensitive. Be sure to check with a security
- // person before you modify it.
- // TODO(jamescook): Refactor this code into the extensions module so it can
- // be shared with Chrome's NaClBrowserDelegateImpl. http://crbug.com/403017
- NaClBrowserDelegate::MapUrlToLocalFilePathCallback
- ShellNaClBrowserDelegate::GetMapUrlToLocalFilePathCallback(
- const base::FilePath& profile_directory) {
- auto extensions = std::make_unique<ExtensionSet>();
- extensions->InsertAll(
- ExtensionRegistry::Get(browser_context_)->enabled_extensions());
- return base::BindRepeating(
- [](const ExtensionSet* extensions, const GURL& file_url,
- bool use_blocking_api, base::FilePath* file_path) {
- // Check that the URL is recognized by the extension system.
- const Extension* extension =
- extensions->GetExtensionOrAppByURL(file_url);
- if (!extension)
- return false;
- // This is a short-cut which avoids calling a blocking file operation
- // (GetFilePath()), so that this can be called on the IO thread. It only
- // handles a subset of the urls.
- if (!use_blocking_api) {
- if (file_url.SchemeIs(kExtensionScheme)) {
- std::string path = file_url.path();
- base::TrimString(path, "/", &path); // Remove first slash
- *file_path = extension->path().AppendASCII(path);
- return true;
- }
- return false;
- }
- // Check that the URL references a resource in the extension.
- // NOTE: app_shell does not support shared modules.
- ExtensionResource resource = extension->GetResource(file_url.path());
- if (resource.empty())
- return false;
- // GetFilePath is a blocking function call.
- const base::FilePath resource_file_path = resource.GetFilePath();
- if (resource_file_path.empty())
- return false;
- *file_path = resource_file_path;
- return true;
- },
- base::Owned(std::move(extensions)));
- }
- } // namespace extensions
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