widevine_cdm_component_installer.cc revision 010d83a9304c5a91596085d917d248abff47903a
1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Use of this source code is governed by a BSD-style license that can be 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// found in the LICENSE file. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/browser/component_updater/widevine_cdm_component_installer.h" 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <string.h> 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <string> 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <vector> 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/base_paths.h" 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/bind.h" 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/compiler_specific.h" 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/file_util.h" 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/files/file_path.h" 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/logging.h" 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/path_service.h" 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/strings/string16.h" 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/strings/string_number_conversions.h" 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/strings/string_split.h" 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/strings/utf_string_conversions.h" 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "base/values.h" 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "build/build_config.h" 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/browser/component_updater/component_updater_service.h" 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/browser/component_updater/default_component_installer.h" 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/browser/plugins/plugin_prefs.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/common/chrome_constants.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/common/chrome_paths.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/common/chrome_version_info.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "chrome/common/widevine_cdm_constants.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "content/public/browser/browser_thread.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "content/public/browser/plugin_service.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "content/public/common/pepper_plugin_info.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "media/cdm/ppapi/supported_cdm_versions.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "third_party/widevine/cdm/widevine_cdm_common.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. NOLINT 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgusing content::BrowserThread; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgusing content::PluginService; 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgnamespace component_updater { 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgnamespace { 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// CRX hash. The extension id is: oimompecagnajdejgnnjijobebaeigek. 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst uint8 kSha2Hash[] = {0xe8, 0xce, 0xcf, 0x42, 0x06, 0xd0, 0x93, 0x49, 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0x6d, 0xd9, 0x89, 0xe1, 0x41, 0x04, 0x86, 0x4a, 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0x8f, 0xbd, 0x86, 0x12, 0xb9, 0x58, 0x9b, 0xfb, 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0x4f, 0xbb, 0x1b, 0xa9, 0xd3, 0x85, 0x37, 0xef}; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// File name of the Widevine CDM component manifest on different platforms. 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kWidevineCdmManifestName[] = "WidevineCdm"; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// File name of the Widevine CDM adapter version file. The CDM adapter shares 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// the same version number with Chromium version. 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmAdapterVersionName[] = "CdmAdapterVersion"; 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Name of the Widevine CDM OS in the component manifest. 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kWidevineCdmPlatform[] = 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if defined(OS_MACOSX) 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "mac"; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#elif defined(OS_WIN) 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "win"; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else // OS_LINUX, etc. TODO(viettrungluu): Separate out Chrome OS and Android? 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "linux"; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Name of the Widevine CDM architecture in the component manifest. 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kWidevineCdmArch[] = 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if defined(ARCH_CPU_X86) 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "x86"; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#elif defined(ARCH_CPU_X86_64) 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "x64"; 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else // TODO(viettrungluu): Support an ARM check? 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "???"; 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// The CDM manifest includes several custom values, all beginning with "x-cdm-". 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// All values are strings. 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// All values that are lists are delimited by commas. No trailing commas. 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// For example, "1,2,4". 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmValueDelimiter = ','; 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgCOMPILE_ASSERT(kCdmValueDelimiter == kCdmSupportedCodecsValueDelimiter, 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cdm_delimiters_do_not_match); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// The following entries are required. 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Interface versions are lists of integers (e.g. "1" or "1,2,4"). 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// These are checked in this file before registering the CDM. 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// All match the interface versions from content_decryption_module.h that the 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// CDM supports. 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Matches CDM_MODULE_VERSION. 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmModuleVersionsName[] = "x-cdm-module-versions"; 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Matches supported ContentDecryptionModule_* version(s). 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmInterfaceVersionsName[] = "x-cdm-interface-versions"; 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Matches supported Host_* version(s). 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmHostVersionsName[] = "x-cdm-host-versions"; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// The codecs list is a list of simple codec names (e.g. "vp8,vorbis"). 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// The list is passed to other parts of Chrome. 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgconst char kCdmCodecsListName[] = "x-cdm-codecs"; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Widevine CDM is packaged as a multi-CRX. Widevine CDM binaries are located in 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// _platform_specific/<platform_arch> folder in the package. This function 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// returns the platform-specific subdirectory that is part of that multi-CRX. 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbase::FilePath GetPlatformDirectory(const base::FilePath& base_path) { 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::string platform_arch = kWidevineCdmPlatform; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org platform_arch += '_'; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org platform_arch += kWidevineCdmArch; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return base_path.AppendASCII("_platform_specific").AppendASCII(platform_arch); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool MakeWidevineCdmPluginInfo( 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::Version& version, 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& path, 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const std::vector<base::string16>& additional_param_names, 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const std::vector<base::string16>& additional_param_values, 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org content::PepperPluginInfo* plugin_info) { 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!version.IsValid() || 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org version.components().size() != 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static_cast<size_t>(kWidevineCdmVersionNumComponents)) { 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->is_internal = false; 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // Widevine CDM must run out of process. 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->is_out_of_process = true; 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->path = path; 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->name = kWidevineCdmDisplayName; 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->description = kWidevineCdmDescription; 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->version = version.GetString(); 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org content::WebPluginMimeType widevine_cdm_mime_type( 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kWidevineCdmPluginMimeType, 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kWidevineCdmPluginExtension, 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kWidevineCdmPluginMimeTypeDescription); 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org widevine_cdm_mime_type.additional_param_names = additional_param_names; 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org widevine_cdm_mime_type.additional_param_values = additional_param_values; 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->mime_types.push_back(widevine_cdm_mime_type); 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info->permissions = kWidevineCdmPluginPermissions; 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtypedef bool (*VersionCheckFunc)(int version); 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool CheckForCompatibleVersion(const base::DictionaryValue& manifest, 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const std::string version_name, 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org VersionCheckFunc version_check_func) { 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::string versions_string; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!manifest.GetString(version_name, &versions_string)) { 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Widevine CDM component manifest missing " << version_name; 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG_IF(WARNING, versions_string.empty()) 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org << "Widevine CDM component manifest has empty " << version_name; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<std::string> versions; 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::SplitString(versions_string, kCdmValueDelimiter, &versions); 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (size_t i = 0; i < versions.size(); ++i) { 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int version = 0; 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (base::StringToInt(versions[i], &version)) 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (version_check_func(version)) 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Widevine CDM component manifest has no supported " 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org << version_name << " in '" << versions_string << "'"; 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Returns whether the CDM's API versions, as specified in the manifest, are 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// compatible with this Chrome binary. 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Checks the module API, CDM interface API, and Host API. 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// This should never fail except in rare cases where the component has not been 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// updated recently or the user downgrades Chrome. 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool IsCompatibleWithChrome(const base::DictionaryValue& manifest) { 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return CheckForCompatibleVersion(manifest, 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kCdmModuleVersionsName, 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org media::IsSupportedCdmModuleVersion) && 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org CheckForCompatibleVersion(manifest, 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kCdmInterfaceVersionsName, 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org media::IsSupportedCdmInterfaceVersion) && 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org CheckForCompatibleVersion(manifest, 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org kCdmHostVersionsName, 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org media::IsSupportedCdmHostVersion); 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid GetAdditionalParams(const base::DictionaryValue& manifest, 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<base::string16>* additional_param_names, 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<base::string16>* additional_param_values) { 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::string16 codecs; 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (manifest.GetString(kCdmCodecsListName, &codecs)) { 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG_IF(WARNING, codecs.empty()) 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org << "Widevine CDM component manifest has empty codecs list"; 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org additional_param_names->push_back( 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::ASCIIToUTF16(kCdmSupportedCodecsParamName)); 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org additional_param_values->push_back(codecs); 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Widevine CDM component manifest is missing codecs"; 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid RegisterWidevineCdmWithChrome(const base::Version& cdm_version, 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& adapter_install_path, 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scoped_ptr<base::DictionaryValue> manifest) { 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<base::string16> additional_param_names; 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<base::string16> additional_param_values; 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GetAdditionalParams( 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *manifest, &additional_param_names, &additional_param_values); 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org content::PepperPluginInfo plugin_info; 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!MakeWidevineCdmPluginInfo(cdm_version, 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org adapter_install_path, 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org additional_param_names, 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org additional_param_values, 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &plugin_info)) { 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // true = Add to beginning of list to override any existing registrations. 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PluginService::GetInstance()->RegisterInternalPlugin( 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org plugin_info.ToWebPluginInfo(), true); 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PluginService::GetInstance()->RefreshPlugins(); 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} // namespace 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgclass WidevineCdmComponentInstallerTraits : public ComponentInstallerTraits { 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org public: 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org WidevineCdmComponentInstallerTraits(); 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual ~WidevineCdmComponentInstallerTraits() {} 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org private: 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // The following methods override ComponentInstallerTraits. 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual bool CanAutoUpdate() const OVERRIDE; 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual bool OnCustomInstall(const base::DictionaryValue& manifest, 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& install_dir) OVERRIDE; 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual bool VerifyInstallation( 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& install_dir) const OVERRIDE; 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual void ComponentReady( 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::Version& version, 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& path, 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scoped_ptr<base::DictionaryValue> manifest) OVERRIDE; 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual base::FilePath GetBaseDirectory() const OVERRIDE; 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual void GetHash(std::vector<uint8>* hash) const OVERRIDE; 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org virtual std::string GetName() const OVERRIDE; 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // Checks and updates CDM adapter if necessary to make sure the latest CDM 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // adapter is always used. 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // Note: The component is ready when CDM is present, but the CDM won't be 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // registered until the adapter is copied by this function (see 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // VerifyInstallation). 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void UpdateCdmAdapter(const base::Version& cdm_version, 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& cdm_install_dir, 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scoped_ptr<base::DictionaryValue> manifest); 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DISALLOW_COPY_AND_ASSIGN(WidevineCdmComponentInstallerTraits); 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgWidevineCdmComponentInstallerTraits::WidevineCdmComponentInstallerTraits() { 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool WidevineCdmComponentInstallerTraits::CanAutoUpdate() const { 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool WidevineCdmComponentInstallerTraits::OnCustomInstall( 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::DictionaryValue& manifest, 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& install_dir) { 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// Once the CDM is ready, check the CDM adapter. 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid WidevineCdmComponentInstallerTraits::ComponentReady( 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::Version& version, 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& path, 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scoped_ptr<base::DictionaryValue> manifest) { 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!IsCompatibleWithChrome(*manifest)) { 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Installed Widevine CDM component is incompatible."; 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org BrowserThread::PostBlockingPoolTask( 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FROM_HERE, 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::Bind(&WidevineCdmComponentInstallerTraits::UpdateCdmAdapter, 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::Unretained(this), 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org version, 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org path, 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::Passed(&manifest))); 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool WidevineCdmComponentInstallerTraits::VerifyInstallation( 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& install_dir) const { 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return base::PathExists( 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GetPlatformDirectory(install_dir).AppendASCII(kWidevineCdmFileName)); 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// The base directory on Windows looks like: 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org// <profile>\AppData\Local\Google\Chrome\User Data\WidevineCdm\. 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbase::FilePath WidevineCdmComponentInstallerTraits::GetBaseDirectory() const { 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::FilePath result; 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PathService::Get(chrome::DIR_COMPONENT_WIDEVINE_CDM, &result); 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return result; 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid WidevineCdmComponentInstallerTraits::GetHash( 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::vector<uint8>* hash) const { 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org hash->assign(kSha2Hash, kSha2Hash + arraysize(kSha2Hash)); 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstd::string WidevineCdmComponentInstallerTraits::GetName() const { 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return kWidevineCdmManifestName; 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid WidevineCdmComponentInstallerTraits::UpdateCdmAdapter( 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::Version& cdm_version, 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath& cdm_install_dir, 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org scoped_ptr<base::DictionaryValue> manifest) { 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath adapter_version_path = 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GetPlatformDirectory(cdm_install_dir).AppendASCII(kCdmAdapterVersionName); 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const base::FilePath adapter_install_path = 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GetPlatformDirectory(cdm_install_dir) 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org .AppendASCII(kWidevineCdmAdapterFileName); 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const std::string chrome_version = chrome::VersionInfo().Version(); 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DCHECK(!chrome_version.empty()); 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org std::string adapter_version; 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!base::ReadFileToString(adapter_version_path, &adapter_version) || 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org adapter_version != chrome_version || 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org !base::PathExists(adapter_install_path)) { 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int bytes_written = base::WriteFile( 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org adapter_version_path, chrome_version.data(), chrome_version.size()); 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (bytes_written < 0 || 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static_cast<size_t>(bytes_written) != chrome_version.size()) { 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Failed to write Widevine CDM adapter version file."; 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org // Ignore version file writing failure and try to copy the CDM adapter. 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::FilePath adapter_source_path; 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PathService::Get(chrome::FILE_WIDEVINE_CDM_ADAPTER, &adapter_source_path); 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!base::CopyFile(adapter_source_path, adapter_install_path)) { 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DLOG(WARNING) << "Failed to copy Widevine CDM adapter."; 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org BrowserThread::PostTask(content::BrowserThread::UI, 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FROM_HERE, 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::Bind(&RegisterWidevineCdmWithChrome, 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cdm_version, 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org adapter_install_path, 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org base::Passed(&manifest))); 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 356 357#endif // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) 358 359void RegisterWidevineCdmComponent(ComponentUpdateService* cus) { 360#if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) 361 base::FilePath adapter_source_path; 362 PathService::Get(chrome::FILE_WIDEVINE_CDM_ADAPTER, &adapter_source_path); 363 if (!base::PathExists(adapter_source_path)) 364 return; 365 scoped_ptr<ComponentInstallerTraits> traits( 366 new WidevineCdmComponentInstallerTraits); 367 // |cus| will take ownership of |installer| during installer->Register(cus). 368 DefaultComponentInstaller* installer = 369 new DefaultComponentInstaller(traits.Pass()); 370 installer->Register(cus); 371#else 372 return; 373#endif // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) 374} 375 376} // namespace component_updater 377