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Unified Diff: chrome/browser/component_updater/cros_component_installer.h

Issue 2707063002: Universial component install for chrome os. (Closed)
Patch Set: Created 3 years, 10 months ago
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Index: chrome/browser/component_updater/cros_component_installer.h
diff --git a/chrome/browser/component_updater/cros_component_installer.h b/chrome/browser/component_updater/cros_component_installer.h
new file mode 100644
index 0000000000000000000000000000000000000000..859504ab92791c9d67a816c7cfffafda347ac974
--- /dev/null
+++ b/chrome/browser/component_updater/cros_component_installer.h
@@ -0,0 +1,149 @@
+// Copyright (c) 2012 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.
+#ifndef CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_
+#define CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_
+
+#include "base/base_paths.h"
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/files/file_enumerator.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/json/json_reader.h"
+#include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "base/path_service.h"
+#include "base/stl_util.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/version.h"
+#include "build/build_config.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/component_updater/component_installer_errors.h"
+#include "chrome/browser/component_updater/cros_component_installer.h"
+#include "chrome/browser/plugins/plugin_prefs.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/chrome_content_client.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_switches.h"
+#include "components/component_updater/component_updater_service.h"
+#include "components/component_updater/default_component_installer.h"
+#include "components/update_client/update_client.h"
+#include "components/update_client/update_client_errors.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/plugin_service.h"
+#include "content/public/common/content_constants.h"
+#include "crypto/sha2.h"
+#include "third_party/libxml/chromium/libxml_utils.h"
+
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+#include "chrome/browser/ui/ash/system_tray_client.h"
+#include "chrome/common/chrome_features.h"
+#include "chromeos/dbus/dbus_method_call_status.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/image_loader_client.h"
+#include "content/public/browser/browser_thread.h"
+#elif defined(OS_LINUX)
+#include "chrome/common/component_flash_hint_file_linux.h"
+#endif // defined(OS_CHROMEOS)
+
+namespace component_updater {
+
+class ComponentUpdateService;
+class ConfigParser {
+ public:
+ struct Result {
+ std::string name;
+ std::string dir_name;
+ std::string sha2hashstr;
+ };
+ // an example config_xml:
+ // <components>
+ // <component name='cups' dir_name='cups'></component>
+ // <component name='samba' dir_name='samba'></component>
waffles 2017/02/21 21:16:04 The sha256 hash of the public key must also appear
xiaochu 2017/02/21 21:39:40 Done.
+ // </components>
waffles 2017/02/21 21:16:04 Can we use JSON or protocol buffers instead? XML i
waffles 2017/02/21 21:39:25 ...so is that a "no"?
xiaochu 2017/02/21 21:39:40 I agree. I created another issue here (https://bug
waffles 2017/02/21 21:52:13 I suggest switching now, since there's no reason t
+ bool Parse(std::string config_xml, std::vector<Result>& results);
+ std::string getErrors() { return errors_; }
+
+ private:
+ // Utility class for cleaning up the xml document when leaving a scope.
+ class ScopedXmlDocument {
+ public:
+ explicit ScopedXmlDocument(xmlDocPtr document) : document_(document) {}
+ ~ScopedXmlDocument() {
+ if (document_)
+ xmlFreeDoc(document_);
+ }
+ xmlDocPtr get() { return document_; }
+
+ private:
+ xmlDocPtr document_;
+ };
+ // This is used for the xml parser to report errors. This assumes the context
+ // is a pointer to a std::string where the error message should be appended.
+ static void XmlErrorFunc(void* context, const char* message, ...);
+ static bool TagNameEquals(const xmlNode* node, const char* expected_name);
+
+ bool IsValidSha256(const std::string& sha2HashStr);
+ // Returns the value of a named attribute, or nullptr .
+ static std::unique_ptr<std::string> GetAttributePtr(
+ xmlNode* node,
+ const char* attribute_name);
+
+ void ParseError(const char* details, ...);
+
+ bool ParseComponentTag(xmlNode* component,
+ Result* result,
+ std::string* error);
+
+ // Returns child nodes of |root| with name |name|.
+ static std::vector<xmlNode*> GetChildren(xmlNode* root, const char* name);
+
+ std::string errors_;
+}; // class ConfigParser
+
+class CrOSComponentInstallerTraits : public ComponentInstallerTraits {
+ public:
+ CrOSComponentInstallerTraits(std::string dir_name,
+ std::string name,
+ std::string sha2HashStr);
+ ~CrOSComponentInstallerTraits() override {}
+
+ private:
+ // The following methods override ComponentInstallerTraits.
+ bool SupportsGroupPolicyEnabledComponentUpdates() const override;
+ bool RequiresNetworkEncryption() const override;
+ update_client::CrxInstaller::Result OnCustomInstall(
+ const base::DictionaryValue& manifest,
+ const base::FilePath& install_dir) override;
+ bool VerifyInstallation(const base::DictionaryValue& manifest,
+ const base::FilePath& install_dir) const override;
+ void ComponentReady(const base::Version& version,
+ const base::FilePath& path,
+ std::unique_ptr<base::DictionaryValue> manifest) override;
+ base::FilePath GetRelativeInstallDir() const override;
+ void GetHash(std::vector<uint8_t>* hash) const override;
+ std::string GetName() const override;
+ update_client::InstallerAttributes GetInstallerAttributes() const override;
+ std::vector<std::string> GetMimeTypes() const override;
+ std::string dir_name;
+ std::string name;
+ uint8_t kSha2Hash_[crypto::kSHA256Length] = {};
+
+ DISALLOW_COPY_AND_ASSIGN(CrOSComponentInstallerTraits);
+};
+
+void RegisterCrOSComponent(ComponentUpdateService* cus,
+ ConfigParser::Result& result);
+bool RegisterCrOSComponent(ComponentUpdateService* cus, std::string name);
+
+bool InstallCrOSComponent(std::string name);
+
+bool IsReadyCrOSComponent(std::string name);
+
+} // namespace component_updater
+
+#endif // CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_

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