diff options
| author | cpu@chromium.org <cpu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-07-22 02:55:04 +0000 |
|---|---|---|
| committer | cpu@chromium.org <cpu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-07-22 02:55:04 +0000 |
| commit | 2e114e73ddef537fe075d84b1a580f459b50e8a4 (patch) | |
| tree | 9ccea58b222d25a1b79023a6225620385399db14 /chrome/browser/component_updater/component_unpacker.h | |
| parent | a5a583a1e097d5e3d28cf756403c6e0a8bf657e0 (diff) | |
| download | chromium_src-2e114e73ddef537fe075d84b1a580f459b50e8a4.zip chromium_src-2e114e73ddef537fe075d84b1a580f459b50e8a4.tar.gz chromium_src-2e114e73ddef537fe075d84b1a580f459b50e8a4.tar.bz2 | |
Component updater second installment
introducing the main external objects:
-ComponentInstaller
-ComponentUpdateService
The ComponentUnpacker is an implementation detail but it
is fairly simple and we might as well deal with it.
Tests are comming with the next CL.
TEST=none
BUG=61602
Review URL: http://codereview.chromium.org/7458011
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93530 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/component_updater/component_unpacker.h')
| -rw-r--r-- | chrome/browser/component_updater/component_unpacker.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/chrome/browser/component_updater/component_unpacker.h b/chrome/browser/component_updater/component_unpacker.h new file mode 100644 index 0000000..60fc385 --- /dev/null +++ b/chrome/browser/component_updater/component_unpacker.h @@ -0,0 +1,59 @@ +// Copyright (c) 2011 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_COMPONENT_UNPACKER_H_ +#define CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UNPACKER_H_ +#pragma once + +#include <vector> + +#include "base/file_path.h" + +class ComponentInstaller; + +// In charge of unpacking the component CRX package and verifying that it is +// well formed and the cryptographic signature is correct. If there is no +// error the component specific installer will be invoked to proceed with +// the component installation or update. +// +// This class should be used only by the component updater. It is inspired +// and overlaps with code in the extension's SandboxedExtensionUnpacker. +// The main differences are: +// - The public key hash is full SHA256. +// - Does not use a sandboxed unpacker. A valid component is fully trusted. +// - The manifest can have different attributes and resources are not +// transcoded. +class ComponentUnpacker { + public: + // Possible error conditions. + enum Error { + kNone, + kInvalidParams, + kInvalidFile, + kUzipPathError, + kUnzipFailed, + kNoManifest, + kBadManifest, + kBadExtension, + kInvalidId, + kInstallerError, + }; + // Unpacks, verifies and calls the installer. |pk_hash| is the expected + // public key SHA256 hash. |path| is the current location of the CRX. + ComponentUnpacker(const std::vector<uint8>& pk_hash, + const FilePath& path, + ComponentInstaller* installer); + + // If something went wrong during unpacking or installer invocation, the + // destructor will delete the unpacked CRX files. + ~ComponentUnpacker(); + + Error error() const { return error_; } + + private: + FilePath unpack_path_; + Error error_; +}; + +#endif // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UNPACKER_H_ |