64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
|
// Copyright 2016 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 "shell/browser/plugins/plugin_utils.h"
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include "base/values.h"
|
||
|
|
#include "content/public/common/webplugininfo.h"
|
||
|
|
#include "extensions/buildflags/buildflags.h"
|
||
|
|
#include "url/gurl.h"
|
||
|
|
#include "url/origin.h"
|
||
|
|
|
||
|
|
#if BUILDFLAG(ENABLE_EXTENSIONS)
|
||
|
|
#include "extensions/browser/extension_registry.h"
|
||
|
|
#include "extensions/browser/extension_util.h"
|
||
|
|
#include "extensions/common/constants.h"
|
||
|
|
#include "extensions/common/extension.h"
|
||
|
|
#include "extensions/common/manifest_handlers/mime_types_handler.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// static
|
||
|
|
std::string PluginUtils::GetExtensionIdForMimeType(
|
||
|
|
content::BrowserContext* browser_context,
|
||
|
|
const std::string& mime_type) {
|
||
|
|
auto map = GetMimeTypeToExtensionIdMap(browser_context);
|
||
|
|
auto it = map.find(mime_type);
|
||
|
|
if (it != map.end())
|
||
|
|
return it->second;
|
||
|
|
return std::string();
|
||
|
|
}
|
||
|
|
|
||
|
|
base::flat_map<std::string, std::string>
|
||
|
|
PluginUtils::GetMimeTypeToExtensionIdMap(
|
||
|
|
content::BrowserContext* browser_context) {
|
||
|
|
base::flat_map<std::string, std::string> mime_type_to_extension_id_map;
|
||
|
|
#if BUILDFLAG(ENABLE_EXTENSIONS)
|
||
|
|
std::vector<std::string> whitelist = MimeTypesHandler::GetMIMETypeWhitelist();
|
||
|
|
// Go through the white-listed extensions and try to use them to intercept
|
||
|
|
// the URL request.
|
||
|
|
for (const std::string& extension_id : whitelist) {
|
||
|
|
const extensions::Extension* extension =
|
||
|
|
extensions::ExtensionRegistry::Get(browser_context)
|
||
|
|
->enabled_extensions()
|
||
|
|
.GetByID(extension_id);
|
||
|
|
// The white-listed extension may not be installed, so we have to nullptr
|
||
|
|
// check |extension|.
|
||
|
|
if (!extension) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (MimeTypesHandler* handler = MimeTypesHandler::GetHandler(extension)) {
|
||
|
|
for (const auto& supported_mime_type : handler->mime_type_set()) {
|
||
|
|
DCHECK(!base::Contains(mime_type_to_extension_id_map,
|
||
|
|
supported_mime_type));
|
||
|
|
mime_type_to_extension_id_map[supported_mime_type] = extension_id;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
return mime_type_to_extension_id_map;
|
||
|
|
}
|