public function __construct($epub_file, $uploadPath)
{
$this->uploadPath = $uploadPath;
$this->id = uniqid();
$filter = new Decompress(array('adapter' => 'Zip', 'options' => array('target' => $this->uploadPath . 'temp/' . $this->id, 'archive' => $epub_file)));
deleteDir($this->uploadPath . 'temp/' . $this->id);
mkdir($this->uploadPath . 'temp/' . $this->id);
$filter->filter($epub_file);
}
/**
* Basic usage
*
* @return void
*/
public function testDecompressArchive()
{
$filter = new DecompressFilter('bz2');
$archive = __DIR__ . '/../_files/compressed.bz2';
$filter->setArchive($archive);
$content = $filter->compress('compress me');
$this->assertTrue($content);
$filter2 = new DecompressFilter('bz2');
$content2 = $filter2($archive);
$this->assertEquals('compress me', $content2);
}
/**
* Defined by Zend_Filter_Interface
*
* Decrypts $value with the defined settings
*
* @param string $value Content to decrypt
* @return string The decrypted content
* @throws \Zend\Filter\Exception
*/
public function decrypt($value)
{
$decrypted = "";
$envelope = current($this->getEnvelopeKey());
if (count($this->_keys['private']) !== 1) {
throw new Exception\RuntimeException('Please give a private key for decryption with Openssl');
}
if (!$this->_package && empty($envelope)) {
throw new Exception\RuntimeException('Please give an envelope key for decryption with Openssl');
}
foreach($this->_keys['private'] as $key => $cert) {
$keys = openssl_pkey_get_private($cert, $this->getPassphrase());
}
if ($this->_package) {
$details = openssl_pkey_get_details($keys);
if ($details !== false) {
$fingerprint = md5($details['key']);
} else {
$fingerprint = md5("ZendFramework");
}
$count = unpack('ncount', $value);
$count = $count['count'];
$length = 2;
for($i = $count; $i > 0; --$i) {
$header = unpack('H32print/nsize', substr($value, $length, 18));
$length += 18;
if ($header['print'] == $fingerprint) {
$envelope = substr($value, $length, $header['size']);
}
$length += $header['size'];
}
// remainder of string is the value to decrypt
$value = substr($value, $length);
}
$crypt = openssl_open($value, $decrypted, $envelope, $keys);
openssl_free_key($keys);
if ($crypt === false) {
throw new Exception\RuntimeException('Openssl was not able to decrypt you content with the given options');
}
// decompress after decryption
if (!empty($this->_compression)) {
$decompress = new Decompress($this->_compression);
$decrypted = $decompress($decrypted);
}
// decompress after decryption
if (!empty($this->_compression)) {
require_once 'Zend/Filter/Decompress.php';
$decompress = new Decompress($this->_compression);
$decrypted = $decompress->filter($decrypted);
}
return $decrypted;
}
