/**
* This is a simple system to generate unique keys. It will need to be improved in the future for better performance.
*
* @param Object $object - must have a getPeer method.
*/
private static function getUniqueKey($object, $ppk_field = self::KEY_FIELD_NAME, $key_length = self::KEY_LENGTH, $key_char_pool = self::KEY_CHARACTER_POOL)
{
$object_peer = self::getObjectPeer($object);
if (is_null($object_peer)) {
throw new \Exception("Object must have a Peer class.");
}
$tries = 0;
while (self::primaryKeyValueExists($new_id = \Altumo\String\String::generateRandomString($key_length, $key_char_pool), $object_peer, $ppk_field)) {
if ($tries++ > 30) {
throw new \Exception("Tried to generate a unique value for {$ppk_field} {$tries} times and failed.");
}
}
return $new_id;
}
/**
* Stores the SSL certificate in a temporary file and returns its path.
*
* When making a request with an SSL certificate, curl requires that
* certificate to be in a file. This function stores the certificate in a
* temporary file and returns its path.
*
*
* @see deleteSslCertificateTempFile
* // This method will be called after the certificate has been used in order
* // to clean up the file that was created.
*
* @throws \Exception
* // If the temp certificate file cannot be created or written
*
* @param string $temp_path
*/
protected function createSslCertificateTempFile()
{
// If a certificate temp file has already been created, delete it
$this->deleteSslCertificateTempFile();
// Gets certificate data
$ssl_cert_data = $this->getSslCertificateData();
\Altumo\Validation\Strings::assertNonEmptyString($ssl_cert_data);
// Use system temp directory path
$temp_path = sys_get_temp_dir();
// Make a new filename for the certificate using its own hash and a random string
$temp_filename = $temp_path . '/altumo_pem_' . sha1($ssl_cert_data) . '_' . \Altumo\String\String::generateRandomString(4);
// Write the contents of the certificate to the temporary file
if (file_put_contents($temp_filename, $this->getSslCertificateData()) === false) {
throw new \Exception('Unable to write to temporary certificate file.');
}
$this->setSslCertificateTempFile($temp_filename);
return $temp_filename;
}
