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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/common/chrome_content_client.h" | 5 #include "chrome/common/chrome_content_client.h" |
6 | 6 |
7 #if defined(OS_LINUX) | 7 #if defined(OS_LINUX) |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #endif // defined(OS_LINUX) | 9 #endif // defined(OS_LINUX) |
10 | 10 |
11 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/debug/crash_logging.h" | 12 #include "base/debug/crash_logging.h" |
13 #include "base/files/file_util.h" | 13 #include "base/files/file_util.h" |
14 #include "base/json/json_reader.h" | 14 #include "base/json/json_reader.h" |
15 #include "base/memory/scoped_vector.h" | 15 #include "base/memory/scoped_vector.h" |
16 #include "base/path_service.h" | 16 #include "base/path_service.h" |
17 #include "base/strings/string16.h" | 17 #include "base/strings/string16.h" |
18 #include "base/strings/string_number_conversions.h" | 18 #include "base/strings/string_number_conversions.h" |
19 #include "base/strings/string_split.h" | 19 #include "base/strings/string_split.h" |
20 #include "base/strings/string_util.h" | 20 #include "base/strings/string_util.h" |
21 #include "base/strings/stringprintf.h" | 21 #include "base/strings/stringprintf.h" |
22 #include "base/strings/utf_string_conversions.h" | 22 #include "base/strings/utf_string_conversions.h" |
23 #include "build/build_config.h" | 23 #include "build/build_config.h" |
24 #include "chrome/common/child_process_logging.h" | 24 #include "chrome/common/child_process_logging.h" |
25 #include "chrome/common/chrome_constants.h" | 25 #include "chrome/common/chrome_constants.h" |
26 #include "chrome/common/chrome_paths.h" | 26 #include "chrome/common/chrome_paths.h" |
27 #include "chrome/common/chrome_switches.h" | 27 #include "chrome/common/chrome_switches.h" |
28 #include "chrome/common/component_flash_hint_file_linux.h" | |
29 #include "chrome/common/crash_keys.h" | 28 #include "chrome/common/crash_keys.h" |
30 #include "chrome/common/pepper_flash.h" | 29 #include "chrome/common/pepper_flash.h" |
31 #include "chrome/common/secure_origin_whitelist.h" | 30 #include "chrome/common/secure_origin_whitelist.h" |
32 #include "chrome/common/url_constants.h" | 31 #include "chrome/common/url_constants.h" |
33 #include "chrome/grit/common_resources.h" | 32 #include "chrome/grit/common_resources.h" |
34 #include "components/dom_distiller/core/url_constants.h" | 33 #include "components/dom_distiller/core/url_constants.h" |
35 #include "components/version_info/version_info.h" | 34 #include "components/version_info/version_info.h" |
36 #include "content/public/common/content_constants.h" | 35 #include "content/public/common/content_constants.h" |
37 #include "content/public/common/content_switches.h" | 36 #include "content/public/common/content_switches.h" |
38 #include "content/public/common/url_constants.h" | 37 #include "content/public/common/url_constants.h" |
39 #include "content/public/common/user_agent.h" | 38 #include "content/public/common/user_agent.h" |
40 #include "extensions/common/constants.h" | 39 #include "extensions/common/constants.h" |
41 #include "gpu/config/gpu_info.h" | 40 #include "gpu/config/gpu_info.h" |
42 #include "net/http/http_util.h" | 41 #include "net/http/http_util.h" |
43 #include "ui/base/l10n/l10n_util.h" | 42 #include "ui/base/l10n/l10n_util.h" |
44 #include "ui/base/layout.h" | 43 #include "ui/base/layout.h" |
45 #include "ui/base/resource/resource_bundle.h" | 44 #include "ui/base/resource/resource_bundle.h" |
46 | 45 |
47 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. | 46 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. |
48 | 47 |
| 48 #if defined(OS_LINUX) |
| 49 #include "chrome/common/component_flash_hint_file_linux.h" |
| 50 #endif // defined(OS_LINUX) |
| 51 |
49 #if defined(OS_WIN) | 52 #if defined(OS_WIN) |
50 #include "base/win/registry.h" | 53 #include "base/win/registry.h" |
51 #include "base/win/windows_version.h" | 54 #include "base/win/windows_version.h" |
52 #endif | 55 #endif |
53 | 56 |
54 #if !defined(DISABLE_NACL) | 57 #if !defined(DISABLE_NACL) |
55 #include "components/nacl/common/nacl_constants.h" | 58 #include "components/nacl/common/nacl_constants.h" |
56 #include "components/nacl/common/nacl_process_type.h" | 59 #include "components/nacl/common/nacl_process_type.h" |
57 #include "components/nacl/common/nacl_sandbox_type.h" | 60 #include "components/nacl/common/nacl_sandbox_type.h" |
58 #endif | 61 #endif |
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233 // or 11.2.123.45. | 236 // or 11.2.123.45. |
234 std::string flash_version = | 237 std::string flash_version = |
235 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( | 238 base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( |
236 switches::kPpapiFlashVersion); | 239 switches::kPpapiFlashVersion); |
237 | 240 |
238 plugins->push_back( | 241 plugins->push_back( |
239 CreatePepperFlashInfo(base::FilePath(flash_path), flash_version)); | 242 CreatePepperFlashInfo(base::FilePath(flash_path), flash_version)); |
240 } | 243 } |
241 | 244 |
242 #if defined(OS_LINUX) | 245 #if defined(OS_LINUX) |
| 246 // This function tests if DIR_USER_DATA can be accessed, as a simple check to |
| 247 // see if the zygote has been sandboxed at this point. |
243 bool IsUserDataDirAvailable() { | 248 bool IsUserDataDirAvailable() { |
244 base::FilePath user_data_dir; | 249 base::FilePath user_data_dir; |
245 if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) | 250 return PathService::Get(chrome::DIR_USER_DATA, &user_data_dir); |
246 return false; | |
247 return base::PathExists(user_data_dir); | |
248 } | 251 } |
249 | 252 |
250 // This method is used on Linux only because of architectural differences in how | 253 // This method is used on Linux only because of architectural differences in how |
251 // it loads the component updated flash plugin, and not because the other | 254 // it loads the component updated flash plugin, and not because the other |
252 // platforms do not support component updated flash. On other platforms, the | 255 // platforms do not support component updated flash. On other platforms, the |
253 // component updater sends an IPC message to all threads, at undefined points in | 256 // component updater sends an IPC message to all threads, at undefined points in |
254 // time, with the URL of the component updated flash. Because the linux zygote | 257 // time, with the URL of the component updated flash. Because the linux zygote |
255 // thread has no access to the file system after it warms up, it must preload | 258 // thread has no access to the file system after it warms up, it must preload |
256 // the component updated flash. | 259 // the component updated flash. |
257 bool GetComponentUpdatedPepperFlash(content::PepperPluginInfo* plugin) { | 260 bool GetComponentUpdatedPepperFlash(content::PepperPluginInfo* plugin) { |
258 #if defined(FLAPPER_AVAILABLE) | 261 #if defined(FLAPPER_AVAILABLE) |
259 if (chrome::component_flash_hint_file::DoesHintFileExist()) { | 262 if (component_flash_hint_file::DoesHintFileExist()) { |
260 base::FilePath flash_path; | 263 base::FilePath flash_path; |
261 std::string version; | 264 std::string version; |
262 if (chrome::component_flash_hint_file::VerifyAndReturnFlashLocation( | 265 if (component_flash_hint_file::VerifyAndReturnFlashLocation(&flash_path, |
263 &flash_path, &version)) { | 266 &version)) { |
264 // Test if the file can be mapped as executable. If the user's home | 267 // Test if the file can be mapped as executable. If the user's home |
265 // directory is mounted noexec, the component flash plugin will not load. | 268 // directory is mounted noexec, the component flash plugin will not load. |
266 // By testing for this, Chrome can fallback to the bundled flash plugin. | 269 // By testing for this, Chrome can fallback to the bundled flash plugin. |
267 if (!chrome::component_flash_hint_file::TestExecutableMapping( | 270 if (!component_flash_hint_file::TestExecutableMapping(flash_path)) { |
268 flash_path)) { | |
269 LOG(WARNING) << "The component updated flash plugin could not be " | 271 LOG(WARNING) << "The component updated flash plugin could not be " |
270 "mapped as executable. Attempting to fallback to the " | 272 "mapped as executable. Attempting to fallback to the " |
271 "bundled or system plugin."; | 273 "bundled or system plugin."; |
272 return false; | 274 return false; |
273 } | 275 } |
274 *plugin = CreatePepperFlashInfo(flash_path, version); | 276 *plugin = CreatePepperFlashInfo(flash_path, version); |
275 return true; | 277 return true; |
276 } else { | |
277 LOG(ERROR) | |
278 << "Failed to locate and load the component updated flash plugin."; | |
279 } | 278 } |
| 279 LOG(ERROR) |
| 280 << "Failed to locate and load the component updated flash plugin."; |
280 } | 281 } |
281 #endif // defined(FLAPPER_AVAILABLE) | 282 #endif // defined(FLAPPER_AVAILABLE) |
282 return false; | 283 return false; |
283 } | 284 } |
284 #endif // defined(OS_LINUX) | 285 #endif // defined(OS_LINUX) |
285 | 286 |
286 bool GetBundledPepperFlash(content::PepperPluginInfo* plugin) { | 287 bool GetBundledPepperFlash(content::PepperPluginInfo* plugin) { |
287 #if defined(FLAPPER_AVAILABLE) | 288 #if defined(FLAPPER_AVAILABLE) |
288 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | 289 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); |
289 | 290 |
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444 #elif defined(OS_POSIX) | 445 #elif defined(OS_POSIX) |
445 base::debug::SetCrashKeyValue(crash_keys::kGPUVendor, gpu_info.gl_vendor); | 446 base::debug::SetCrashKeyValue(crash_keys::kGPUVendor, gpu_info.gl_vendor); |
446 base::debug::SetCrashKeyValue(crash_keys::kGPURenderer, gpu_info.gl_renderer); | 447 base::debug::SetCrashKeyValue(crash_keys::kGPURenderer, gpu_info.gl_renderer); |
447 #endif | 448 #endif |
448 } | 449 } |
449 | 450 |
450 #if defined(ENABLE_PLUGINS) | 451 #if defined(ENABLE_PLUGINS) |
451 // static | 452 // static |
452 content::PepperPluginInfo* ChromeContentClient::FindMostRecentPlugin( | 453 content::PepperPluginInfo* ChromeContentClient::FindMostRecentPlugin( |
453 const std::vector<content::PepperPluginInfo*>& plugins) { | 454 const std::vector<content::PepperPluginInfo*>& plugins) { |
454 content::PepperPluginInfo* result = nullptr; | |
455 auto it = std::max_element( | 455 auto it = std::max_element( |
456 plugins.begin(), plugins.end(), | 456 plugins.begin(), plugins.end(), |
457 [](content::PepperPluginInfo* x, content::PepperPluginInfo* y) { | 457 [](content::PepperPluginInfo* x, content::PepperPluginInfo* y) { |
458 Version version_x(x->version); | 458 Version version_x(x->version); |
459 DCHECK(version_x.IsValid()); | 459 DCHECK(version_x.IsValid()); |
460 return version_x.IsOlderThan(y->version); | 460 return version_x.IsOlderThan(y->version); |
461 }); | 461 }); |
462 if (it != plugins.end()) | 462 return it != plugins.end() ? *it : nullptr; |
463 result = *it; | |
464 return result; | |
465 } | 463 } |
466 #endif // defined(ENABLE_PLUGINS) | 464 #endif // defined(ENABLE_PLUGINS) |
467 | 465 |
468 void ChromeContentClient::AddPepperPlugins( | 466 void ChromeContentClient::AddPepperPlugins( |
469 std::vector<content::PepperPluginInfo>* plugins) { | 467 std::vector<content::PepperPluginInfo>* plugins) { |
470 #if defined(ENABLE_PLUGINS) | 468 #if defined(ENABLE_PLUGINS) |
471 ComputeBuiltInPlugins(plugins); | 469 ComputeBuiltInPlugins(plugins); |
472 AddPepperFlashFromCommandLine(plugins); | 470 AddPepperFlashFromCommandLine(plugins); |
473 | 471 |
474 #if defined(OS_LINUX) | 472 #if defined(OS_LINUX) |
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496 flash_versions.push_back(bundled_flash.release()); | 494 flash_versions.push_back(bundled_flash.release()); |
497 | 495 |
498 scoped_ptr<content::PepperPluginInfo> system_flash( | 496 scoped_ptr<content::PepperPluginInfo> system_flash( |
499 new content::PepperPluginInfo); | 497 new content::PepperPluginInfo); |
500 if (GetSystemPepperFlash(system_flash.get())) | 498 if (GetSystemPepperFlash(system_flash.get())) |
501 flash_versions.push_back(system_flash.release()); | 499 flash_versions.push_back(system_flash.release()); |
502 | 500 |
503 // This function will return only the most recent version of the flash plugin. | 501 // This function will return only the most recent version of the flash plugin. |
504 content::PepperPluginInfo* max_flash = | 502 content::PepperPluginInfo* max_flash = |
505 FindMostRecentPlugin(flash_versions.get()); | 503 FindMostRecentPlugin(flash_versions.get()); |
506 if (max_flash != nullptr) | 504 if (max_flash) |
507 plugins->push_back(*max_flash); | 505 plugins->push_back(*max_flash); |
508 #endif // defined(ENABLE_PLUGINS) | 506 #endif // defined(ENABLE_PLUGINS) |
509 } | 507 } |
510 | 508 |
511 void ChromeContentClient::AddAdditionalSchemes( | 509 void ChromeContentClient::AddAdditionalSchemes( |
512 std::vector<std::string>* standard_schemes, | 510 std::vector<std::string>* standard_schemes, |
513 std::vector<std::string>* savable_schemes) { | 511 std::vector<std::string>* savable_schemes) { |
514 standard_schemes->push_back(extensions::kExtensionScheme); | 512 standard_schemes->push_back(extensions::kExtensionScheme); |
515 savable_schemes->push_back(extensions::kExtensionScheme); | 513 savable_schemes->push_back(extensions::kExtensionScheme); |
516 standard_schemes->push_back(chrome::kChromeNativeScheme); | 514 standard_schemes->push_back(chrome::kChromeNativeScheme); |
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589 schemes->insert(content::kChromeUIScheme); | 587 schemes->insert(content::kChromeUIScheme); |
590 schemes->insert(extensions::kExtensionScheme); | 588 schemes->insert(extensions::kExtensionScheme); |
591 schemes->insert(extensions::kExtensionResourceScheme); | 589 schemes->insert(extensions::kExtensionResourceScheme); |
592 GetSecureOriginWhitelist(origins); | 590 GetSecureOriginWhitelist(origins); |
593 } | 591 } |
594 | 592 |
595 void ChromeContentClient::AddServiceWorkerSchemes( | 593 void ChromeContentClient::AddServiceWorkerSchemes( |
596 std::set<std::string>* schemes) { | 594 std::set<std::string>* schemes) { |
597 schemes->insert(extensions::kExtensionScheme); | 595 schemes->insert(extensions::kExtensionScheme); |
598 } | 596 } |
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