Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 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/component_updater/widevine_cdm_component_installer.h" |
| 6 | |
| 7 | #include <string.h> |
| 8 | |
| 9 | #include <vector> |
| 10 | |
| 11 | #include "base/base_paths.h" |
| 12 | #include "base/bind.h" |
| 13 | #include "base/command_line.h" |
| 14 | #include "base/compiler_specific.h" |
| 15 | #include "base/file_util.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 16 | #include "base/files/file_enumerator.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 17 | #include "base/files/file_path.h" |
| 18 | #include "base/logging.h" |
| 19 | #include "base/path_service.h" |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 20 | #include "base/strings/string_util.h" |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 21 | #include "base/values.h" |
| 22 | #include "base/version.h" |
| 23 | #include "build/build_config.h" |
| 24 | #include "chrome/browser/component_updater/component_updater_service.h" |
| 25 | #include "chrome/browser/plugins/plugin_prefs.h" |
| 26 | #include "chrome/common/chrome_constants.h" |
| 27 | #include "chrome/common/chrome_paths.h" |
| 28 | #include "chrome/common/widevine_cdm_constants.h" |
| 29 | #include "content/public/browser/browser_thread.h" |
| 30 | #include "content/public/browser/plugin_service.h" |
| 31 | #include "content/public/common/pepper_plugin_info.h" |
| 32 | #include "third_party/widevine/cdm/widevine_cdm_common.h" |
| 33 | |
| 34 | #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. |
| 35 | |
| 36 | using content::BrowserThread; |
| 37 | using content::PluginService; |
| 38 | |
| 39 | namespace { |
| 40 | |
| 41 | // TODO(xhwang): Move duplicate code among all component installer |
| 42 | // implementations to some common place. |
| 43 | |
| 44 | #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) |
| 45 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 46 | // CRX hash. The extension id is: oimompecagnajdejgnnjijobebaeigek. |
| 47 | const uint8 kSha2Hash[] = { 0xe8, 0xce, 0xcf, 0x42, 0x06, 0xd0, 0x93, 0x49, |
| 48 | 0x6d, 0xd9, 0x89, 0xe1, 0x41, 0x04, 0x86, 0x4a, |
| 49 | 0x8f, 0xbd, 0x86, 0x12, 0xb9, 0x58, 0x9b, 0xfb, |
| 50 | 0x4f, 0xbb, 0x1b, 0xa9, 0xd3, 0x85, 0x37, 0xef }; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 51 | |
| 52 | // File name of the Widevine CDM component manifest on different platforms. |
| 53 | const char kWidevineCdmManifestName[] = "WidevineCdm"; |
| 54 | |
| 55 | // Name of the Widevine CDM OS in the component manifest. |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 56 | const char kWidevineCdmPlatform[] = |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 57 | #if defined(OS_MACOSX) |
| 58 | "mac"; |
| 59 | #elif defined(OS_WIN) |
| 60 | "win"; |
| 61 | #else // OS_LINUX, etc. TODO(viettrungluu): Separate out Chrome OS and Android? |
| 62 | "linux"; |
| 63 | #endif |
| 64 | |
| 65 | // Name of the Widevine CDM architecture in the component manifest. |
| 66 | const char kWidevineCdmArch[] = |
| 67 | #if defined(ARCH_CPU_X86) |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 68 | "x86"; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 69 | #elif defined(ARCH_CPU_X86_64) |
| 70 | "x64"; |
| 71 | #else // TODO(viettrungluu): Support an ARM check? |
| 72 | "???"; |
| 73 | #endif |
| 74 | |
| 75 | // If we don't have a Widevine CDM component, this is the version we claim. |
| 76 | const char kNullVersion[] = "0.0.0.0"; |
| 77 | |
| 78 | // The base directory on Windows looks like: |
| 79 | // <profile>\AppData\Local\Google\Chrome\User Data\WidevineCdm\. |
| 80 | base::FilePath GetWidevineCdmBaseDirectory() { |
| 81 | base::FilePath result; |
| 82 | PathService::Get(chrome::DIR_COMPONENT_WIDEVINE_CDM, &result); |
| 83 | return result; |
| 84 | } |
| 85 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 86 | // Widevine CDM is packaged as a multi-CRX. Widevine CDM binaries are located in |
| 87 | // _platform_specific/<platform_arch> folder in the package. This function |
| 88 | // returns the platform-specific subdirectory that is part of that multi-CRX. |
| 89 | base::FilePath GetPlatformDirectory(const base::FilePath& base_path) { |
| 90 | std::string platform_arch = kWidevineCdmPlatform; |
| 91 | platform_arch += '_'; |
| 92 | platform_arch += kWidevineCdmArch; |
| 93 | return base_path.AppendASCII("_platform_specific").AppendASCII(platform_arch); |
| 94 | } |
| 95 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 96 | // Widevine CDM has the version encoded in the path so we need to enumerate the |
| 97 | // directories to find the full path. |
| 98 | // On success, |latest_dir| returns something like: |
| 99 | // <profile>\AppData\Local\Google\Chrome\User Data\WidevineCdm\10.3.44.555\. |
| 100 | // |latest_version| returns the corresponding version number. |older_dirs| |
| 101 | // returns directories of all older versions. |
| 102 | bool GetWidevineCdmDirectory(base::FilePath* latest_dir, |
| 103 | base::Version* latest_version, |
| 104 | std::vector<base::FilePath>* older_dirs) { |
| 105 | base::FilePath base_dir = GetWidevineCdmBaseDirectory(); |
| 106 | bool found = false; |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 107 | base::FileEnumerator file_enumerator( |
| 108 | base_dir, false, base::FileEnumerator::DIRECTORIES); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 109 | for (base::FilePath path = file_enumerator.Next(); !path.value().empty(); |
| 110 | path = file_enumerator.Next()) { |
| 111 | base::Version version(path.BaseName().MaybeAsASCII()); |
| 112 | if (!version.IsValid()) |
| 113 | continue; |
| 114 | if (found) { |
| 115 | if (version.CompareTo(*latest_version) > 0) { |
| 116 | older_dirs->push_back(*latest_dir); |
| 117 | *latest_dir = path; |
| 118 | *latest_version = version; |
| 119 | } else { |
| 120 | older_dirs->push_back(path); |
| 121 | } |
| 122 | } else { |
| 123 | *latest_dir = path; |
| 124 | *latest_version = version; |
| 125 | found = true; |
| 126 | } |
| 127 | } |
| 128 | return found; |
| 129 | } |
| 130 | |
| 131 | bool MakeWidevineCdmPluginInfo(const base::FilePath& path, |
| 132 | const base::Version& version, |
| 133 | content::PepperPluginInfo* plugin_info) { |
| 134 | if (!version.IsValid() || |
| 135 | version.components().size() != |
| 136 | static_cast<size_t>(kWidevineCdmVersionNumComponents)) { |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | plugin_info->is_internal = false; |
| 141 | // Widevine CDM must run out of process. |
| 142 | plugin_info->is_out_of_process = true; |
| 143 | plugin_info->path = path; |
| 144 | plugin_info->name = kWidevineCdmDisplayName; |
| 145 | plugin_info->description = kWidevineCdmDescription; |
| 146 | plugin_info->version = version.GetString(); |
Ben Murdoch | ca12bfa | 2013-07-23 11:17:05 +0100 | [diff] [blame] | 147 | content::WebPluginMimeType widevine_cdm_mime_type( |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 148 | kWidevineCdmPluginMimeType, |
| 149 | kWidevineCdmPluginExtension, |
| 150 | kWidevineCdmPluginMimeTypeDescription); |
| 151 | plugin_info->mime_types.push_back(widevine_cdm_mime_type); |
| 152 | plugin_info->permissions = kWidevineCdmPluginPermissions; |
| 153 | |
| 154 | return true; |
| 155 | } |
| 156 | |
| 157 | void RegisterWidevineCdmWithChrome(const base::FilePath& path, |
| 158 | const base::Version& version) { |
| 159 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 160 | content::PepperPluginInfo plugin_info; |
| 161 | if (!MakeWidevineCdmPluginInfo(path, version, &plugin_info)) |
| 162 | return; |
| 163 | |
| 164 | PluginService::GetInstance()->RegisterInternalPlugin( |
| 165 | plugin_info.ToWebPluginInfo(), true); |
| 166 | PluginService::GetInstance()->RefreshPlugins(); |
| 167 | } |
| 168 | |
| 169 | // Returns true if this browser is compatible with the given Widevine CDM |
| 170 | // manifest, with the version specified in the manifest in |version_out|. |
| 171 | bool CheckWidevineCdmManifest(const base::DictionaryValue& manifest, |
| 172 | base::Version* version_out) { |
| 173 | std::string name; |
| 174 | manifest.GetStringASCII("name", &name); |
| 175 | |
| 176 | if (name != kWidevineCdmManifestName) |
| 177 | return false; |
| 178 | |
| 179 | std::string proposed_version; |
| 180 | manifest.GetStringASCII("version", &proposed_version); |
| 181 | base::Version version(proposed_version.c_str()); |
| 182 | if (!version.IsValid()) |
| 183 | return false; |
| 184 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 185 | *version_out = version; |
| 186 | return true; |
| 187 | } |
| 188 | |
| 189 | class WidevineCdmComponentInstaller : public ComponentInstaller { |
| 190 | public: |
| 191 | explicit WidevineCdmComponentInstaller(const base::Version& version); |
| 192 | virtual ~WidevineCdmComponentInstaller() {} |
| 193 | |
| 194 | virtual void OnUpdateError(int error) OVERRIDE; |
| 195 | virtual bool Install(const base::DictionaryValue& manifest, |
| 196 | const base::FilePath& unpack_path) OVERRIDE; |
| 197 | |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 198 | virtual bool GetInstalledFile(const std::string& file, |
| 199 | base::FilePath* installed_file) OVERRIDE; |
| 200 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 201 | private: |
| 202 | base::Version current_version_; |
| 203 | }; |
| 204 | |
| 205 | WidevineCdmComponentInstaller::WidevineCdmComponentInstaller( |
| 206 | const base::Version& version) |
| 207 | : current_version_(version) { |
| 208 | DCHECK(version.IsValid()); |
| 209 | } |
| 210 | |
| 211 | void WidevineCdmComponentInstaller::OnUpdateError(int error) { |
| 212 | NOTREACHED() << "Widevine CDM update error: " << error; |
| 213 | } |
| 214 | |
| 215 | bool WidevineCdmComponentInstaller::Install( |
| 216 | const base::DictionaryValue& manifest, |
| 217 | const base::FilePath& unpack_path) { |
| 218 | base::Version version; |
| 219 | if (!CheckWidevineCdmManifest(manifest, &version)) |
| 220 | return false; |
| 221 | if (current_version_.CompareTo(version) > 0) |
| 222 | return false; |
| 223 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 224 | if (!base::PathExists( |
| 225 | GetPlatformDirectory(unpack_path).AppendASCII(kWidevineCdmFileName))) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 226 | return false; |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 227 | } |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 228 | |
| 229 | base::FilePath adapter_source_path; |
| 230 | PathService::Get(chrome::FILE_WIDEVINE_CDM_ADAPTER, &adapter_source_path); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 231 | if (!base::PathExists(adapter_source_path)) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 232 | return false; |
| 233 | |
| 234 | // Passed the basic tests. Time to install it. |
| 235 | base::FilePath install_path = |
| 236 | GetWidevineCdmBaseDirectory().AppendASCII(version.GetString()); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 237 | if (base::PathExists(install_path)) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 238 | return false; |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 239 | if (!base::Move(unpack_path, install_path)) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 240 | return false; |
| 241 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 242 | base::FilePath adapter_install_path = GetPlatformDirectory(install_path) |
| 243 | .AppendASCII(kWidevineCdmAdapterFileName); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 244 | if (!base::CopyFile(adapter_source_path, adapter_install_path)) |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 245 | return false; |
| 246 | |
| 247 | // Installation is done. Now register the Widevine CDM with chrome. |
| 248 | current_version_ = version; |
| 249 | BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind( |
| 250 | &RegisterWidevineCdmWithChrome, adapter_install_path, version)); |
| 251 | return true; |
| 252 | } |
| 253 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 254 | // Given |file|, a path like "_platform_specific/win_x86/widevinecdm.dll", |
| 255 | // returns the assumed install path. The path separator in |file| is '/' |
| 256 | // for all platforms. Caller is responsible for checking that the |
| 257 | // |installed_file| actually exists. |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 258 | bool WidevineCdmComponentInstaller::GetInstalledFile( |
| 259 | const std::string& file, base::FilePath* installed_file) { |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 260 | if (current_version_.Equals(base::Version(kNullVersion))) |
| 261 | return false; // No CDM has been installed yet. |
| 262 | |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 263 | *installed_file = GetWidevineCdmBaseDirectory().AppendASCII( |
| 264 | current_version_.GetString()).AppendASCII(file); |
Ben Murdoch | eb525c5 | 2013-07-10 11:40:50 +0100 | [diff] [blame] | 265 | return true; |
| 266 | } |
| 267 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 268 | void FinishWidevineCdmUpdateRegistration(ComponentUpdateService* cus, |
| 269 | const base::Version& version) { |
| 270 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| 271 | CrxComponent widevine_cdm; |
| 272 | widevine_cdm.name = "WidevineCdm"; |
| 273 | widevine_cdm.installer = new WidevineCdmComponentInstaller(version); |
| 274 | widevine_cdm.version = version; |
| 275 | widevine_cdm.pk_hash.assign(kSha2Hash, &kSha2Hash[sizeof(kSha2Hash)]); |
| 276 | if (cus->RegisterComponent(widevine_cdm) != ComponentUpdateService::kOk) { |
| 277 | NOTREACHED() << "Widevine CDM component registration failed."; |
| 278 | return; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | void StartWidevineCdmUpdateRegistration(ComponentUpdateService* cus) { |
| 283 | DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 284 | base::FilePath base_dir = GetWidevineCdmBaseDirectory(); |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 285 | if (!base::PathExists(base_dir) && |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 286 | !file_util::CreateDirectory(base_dir)) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 287 | NOTREACHED() << "Could not create Widevine CDM directory."; |
| 288 | return; |
| 289 | } |
| 290 | |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 291 | base::FilePath latest_dir; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 292 | base::Version version(kNullVersion); |
| 293 | std::vector<base::FilePath> older_dirs; |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 294 | |
| 295 | if (GetWidevineCdmDirectory(&latest_dir, &version, &older_dirs)) { |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 296 | base::FilePath latest_platform_dir = GetPlatformDirectory(latest_dir); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 297 | base::FilePath adapter_path = |
Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 298 | latest_platform_dir.AppendASCII(kWidevineCdmAdapterFileName); |
| 299 | base::FilePath cdm_path = |
| 300 | latest_platform_dir.AppendASCII(kWidevineCdmFileName); |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 301 | |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 302 | if (base::PathExists(adapter_path) && |
| 303 | base::PathExists(cdm_path)) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 304 | BrowserThread::PostTask( |
| 305 | BrowserThread::UI, FROM_HERE, |
Torne (Richard Coles) | 868fa2f | 2013-06-11 10:57:03 +0100 | [diff] [blame] | 306 | base::Bind(&RegisterWidevineCdmWithChrome, adapter_path, version)); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 307 | } else { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 308 | base::DeleteFile(latest_dir, true); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 309 | version = base::Version(kNullVersion); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | BrowserThread::PostTask( |
| 314 | BrowserThread::UI, FROM_HERE, |
| 315 | base::Bind(&FinishWidevineCdmUpdateRegistration, cus, version)); |
| 316 | |
| 317 | // Remove older versions of Widevine CDM. |
| 318 | for (std::vector<base::FilePath>::iterator iter = older_dirs.begin(); |
| 319 | iter != older_dirs.end(); ++iter) { |
Ben Murdoch | 7dbb3d5 | 2013-07-17 14:55:54 +0100 | [diff] [blame] | 320 | base::DeleteFile(*iter, true); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 321 | } |
| 322 | } |
| 323 | |
| 324 | #endif // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) |
| 325 | |
| 326 | } // namespace |
| 327 | |
| 328 | void RegisterWidevineCdmComponent(ComponentUpdateService* cus) { |
| 329 | #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) |
| 330 | BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, |
| 331 | base::Bind(&StartWidevineCdmUpdateRegistration, cus)); |
| 332 | #endif // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT) |
| 333 | } |