/** * Test genRandomStr function. */ public function test_genRandomStr() { $lengths = [2, 4, 8, 16, 32, 64, 128]; foreach ($lengths as $len) { $str = \pdyn\base\Utils::genRandomStr($len); $this->assertInternalType('string', $str); $this->assertEquals($len, mb_strlen($str)); } }
/** * Generate a guaranteed unique value of a specified length. * @param int|bool $length A desired length, or false to use uniqid length. * @return string The unique string. */ public static function uniqid($length = false) { if ($length <= 13) { return uniqid(); } $uniq = strrev(str_replace('.', '', uniqid('', true))); $uniqlen = mb_strlen($uniq); if ($length === false || $length === $uniqlen) { return $uniq; } elseif ($length < $uniqlen) { return mb_substr($uniq, 0, $length); } else { return \pdyn\base\Utils::genRandomStr($length - mb_strlen($uniq)) . $uniq; } }
/** * This sends a request to the hub. * * @param string $mode The request mode. 'subscribe' or 'unsubscribe' * @param string $url The URL to send the request to - the hub URL. * @param string $topic The topic you are referring to. * @param string $callback The local callback URL. * @param \pdyn\httpclient\HttpClientInterface $httpclient An HttpClientInterface object that will handle the transfer. * @return bool|array True if successful, array of 'status_code', and 'msg', specifying received http code and body text. */ protected function send_request($mode, $url, $topic, $callback, \pdyn\httpclient\HttpClientInterface $httpclient) { if (!\pdyn\datatype\Url::validate($callback)) { throw new Exception('Bad $callback received', Exception::ERR_BAD_REQUEST); } if (!\pdyn\datatype\Url::validate($url)) { throw new Exception('Bad $url received', Exception::ERR_BAD_REQUEST); } $request = $this->storage->get_request($mode, $topic, $url, $callback); $verifytoken = \pdyn\base\Utils::genRandomStr(64); if (empty($request)) { $request = $this->storage->create_request($mode, $topic, $url, $callback, $verifytoken); } $postdata = ['hub.mode' => $mode, 'hub.callback' => $callback, 'hub.topic' => $topic, 'hub.verify' => 'async', 'hub.verify_token' => $verifytoken, 'hub.lease_seconds' => 604800]; $response = $httpclient->post($url, $postdata); if ($response->status_code() === 204 || $response->status_code() === 202) { return true; } else { $this->storage->delete_request($request->id); return ['status_code' => $response->status_code(), 'msg' => $response->body()]; } }