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<?php
/**
* Copyright (c) 2009-2017 Arne Blankerts <arne@blankerts.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Arne Blankerts nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT * NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package Autoload
* @author Arne Blankerts <arne@blankerts.de>
* @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
* @license BSD License
*
*/
namespace TheSeer\Autoload {
use TheSeer\DirectoryScanner\DirectoryScanner;
class PharBuilder {
private $scanner;
private $compression;
private $key;
private $basedir;
private $aliasName;
private $signatureType;
private $directories = array();
private $supportedSignatureTypes = array(
'SHA-512' => \Phar::SHA512,
'SHA-256' => \Phar::SHA256,
'SHA-1' => \Phar::SHA1
);
public function __construct(DirectoryScanner $scanner, $basedir) {
$this->scanner = $scanner;
$this->basedir = $basedir;
}
public function setCompressionMode($mode) {
$this->compression = $mode;
}
public function setSignatureType($type) {
if (!in_array($type, array_keys($this->supportedSignatureTypes))) {
throw new \InvalidArgumentException(
sprintf('Signature type "%s" not known or not supported by this PHP installation.', $type)
);
}
$this->signatureType = $type;
}
public function setSignatureKey($key) {
$this->key = $key;
}
public function addDirectory($directory) {
$this->directories[] = $directory;
}
public function setAliasName($name) {
$this->aliasName = $name;
}
public function build($filename, $stub) {
if (file_exists($filename)) {
unlink($filename);
}
$phar = new \Phar($filename, 0, $this->aliasName != '' ? $this->aliasName : basename($filename));
$phar->startBuffering();
$phar->setStub($stub);
if ($this->key !== NULL) {
$privateKey = '';
openssl_pkey_export($this->key, $privateKey);
$phar->setSignatureAlgorithm(\Phar::OPENSSL, $privateKey);
$keyDetails = openssl_pkey_get_details($this->key);
file_put_contents($filename . '.pubkey', $keyDetails['key']);
} else {
$phar->setSignatureAlgorithm($this->selectSignatureType());
}
$basedir = $this->basedir ? $this->basedir : $this->directories[0];
foreach($this->directories as $directory) {
$phar->buildFromIterator($this->scanner->__invoke($directory), $basedir);
}
if ($this->compression !== \Phar::NONE) {
$phar->compressFiles($this->compression);
}
$phar->stopBuffering();
}
private function selectSignatureType() {
if ($this->signatureType !== NULL) {
return $this->supportedSignatureTypes[$this->signatureType];
}
$supported = \Phar::getSupportedSignatures();
foreach($this->supportedSignatureTypes as $candidate => $type) {
if (in_array($candidate, $supported)) {
return $type;
}
}
// Is there any PHP Version out there that does not support at least SHA-1?
// But hey, fallback to md5, better than nothing
return \Phar::MD5;
}
}
}