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// Copyright (c) 2009 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_EXTENSIONS_EXTENSION_CREATOR_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_CREATOR_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
namespace base {
class RSAPrivateKey;
}
class FilePath;
// This class create an installable extension (.crx file) given an input
// directory that contains a valid manifest.json and the extension's resources
// contained within that directory. The output .crx file is always signed with a
// private key that is either provided in |private_key_path| or is internal
// generated randomly (and optionally written to |output_private_key_path|.
class ExtensionCreator {
public:
ExtensionCreator() {}
bool Run(const FilePath& extension_dir,
const FilePath& crx_path,
const FilePath& private_key_path,
const FilePath& private_key_output_path);
// Returns the error message that will be present if Run(...) returned false.
std::string error_message() { return error_message_; }
private:
// Verifies input directory's existance. |extension_dir| is the source
// directory that should contain all the extension resources.
// |private_key_path| is the optional path to an existing private key to sign
// the extension. If not provided, a random key will be created (in which case
// it is written to |private_key_output_path| -- if provided).
bool InitializeInput(const FilePath& extension_dir,
const FilePath& private_key_path,
const FilePath& private_key_output_path);
// Reads private key from |private_key_path|.
base::RSAPrivateKey* ReadInputKey(const FilePath& private_key_path);
// Generates a key pair and writes the private key to |private_key_path|
// if provided.
base::RSAPrivateKey* GenerateKey(const FilePath& private_key_path);
// Creates temporary zip file for the extension.
bool CreateZip(const FilePath& extension_dir, const FilePath& temp_path,
FilePath* zip_path);
// Signs the temporary zip and returns the signature.
bool SignZip(const FilePath& zip_path,
base::RSAPrivateKey* private_key,
std::vector<uint8>* signature);
// Export installable .crx to |crx_path|.
bool WriteCRX(const FilePath& zip_path,
base::RSAPrivateKey* private_key,
const std::vector<uint8>& signature,
const FilePath& crx_path);
// Holds a message for any error that is raised during Run(...).
std::string error_message_;
DISALLOW_COPY_AND_ASSIGN(ExtensionCreator);
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_CREATOR_H_
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