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<?php |
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|
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if (!defined('ABSPATH')) exit; |
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if (!class_exists('BVCallbackRequest')) : |
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class BVCallbackRequest { |
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public $params; |
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public $method; |
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public $wing; |
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public $is_afterload; |
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public $is_admin_ajax; |
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public $is_debug; |
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public $account; |
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public $calculated_mac; |
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public $sig; |
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public $time; |
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public $version; |
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public $is_sha1; |
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public $bvb64stream; |
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public $bvb64cksize; |
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public $checksum; |
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|
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public function __construct($account, $in_params) { |
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$this->params = array(); |
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$this->account = $account; |
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$this->wing = $in_params['wing']; |
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$this->method = $in_params['bvMethod']; |
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$this->is_afterload = array_key_exists('afterload', $in_params); |
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$this->is_admin_ajax = array_key_exists('adajx', $in_params); |
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$this->is_debug = array_key_exists('bvdbg', $in_params); |
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$this->sig = $in_params['sig']; |
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$this->time = intval($in_params['bvTime']); |
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$this->version = $in_params['bvVersion']; |
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$this->is_sha1 = array_key_exists('sha1', $in_params); |
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$this->bvb64stream = isset($in_params['bvb64stream']); |
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$this->bvb64cksize = array_key_exists('bvb64cksize', $in_params) ? intval($in_params['bvb64cksize']) : false; |
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$this->checksum = array_key_exists('checksum', $in_params) ? $in_params['checksum'] : false; |
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} |
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|
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public function isAPICall() { |
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return array_key_exists('apicall', $this->params); |
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} |
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|
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public function curlRequest($url, $body) { |
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$ch = curl_init($url); |
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curl_setopt($ch, CURLOPT_POST, 1); |
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curl_setopt($ch, CURLOPT_TIMEOUT, 15); |
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curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($body)); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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return curl_exec($ch); |
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} |
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|
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public function fileGetContentRequest($url, $body) { |
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$options = array( |
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'http' => array( |
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'header' => "Content-type: application/x-www-form-urlencoded\r\n", |
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'method' => 'POST', |
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'content' => http_build_query($body) |
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) |
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); |
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|
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$context = stream_context_create($options); |
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return file_get_contents($url, false, $context); |
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} |
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|
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public function http_request($url, $body) { |
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if (in_array('curl', get_loaded_extensions())) { |
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return $this->curlRequest($url, $body); |
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} else { |
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return $this->fileGetContentRequest($url, $body); |
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} |
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} |
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|
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public function get_params_via_api($params_key, $apiurl) { |
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$res = $this->http_request($apiurl, array('bvkey' => $params_key)); |
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|
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if ($res === FALSE) { |
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return false; |
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} |
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|
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return $res; |
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} |
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|
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public function info() { |
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$info = array( |
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"requestedsig" => $this->sig, |
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"requestedtime" => $this->time, |
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"requestedversion" => $this->version |
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); |
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if ($this->is_debug) { |
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$info["inreq"] = $this->params; |
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} |
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if ($this->is_admin_ajax) { |
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$info["adajx"] = true; |
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} |
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if ($this->is_afterload) { |
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$info["afterload"] = true; |
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} |
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if ($this->calculated_mac) { |
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$info["calculated_mac"] = $this->calculated_mac; |
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} |
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return $info; |
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} |
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|
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public function processParams($in_params) { |
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$params = array(); |
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|
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if (array_key_exists('obend', $in_params) && function_exists('ob_end_clean')) |
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@ob_end_clean(); |
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|
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if (array_key_exists('op_reset', $in_params) && function_exists('output_reset_rewrite_vars')) |
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@output_reset_rewrite_vars(); |
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|
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if (array_key_exists('concat', $in_params)) { |
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foreach ($in_params['concat'] as $key) { |
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$concated = ''; |
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$count = intval($in_params[$key]); |
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for ($i = 1; $i <= $count; $i++) { |
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$concated .= $in_params[$key."_bv_".$i]; |
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} |
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$in_params[$key] = $concated; |
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} |
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} |
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|
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if (isset($in_params['bvpdataviaapi']) && isset($in_params['bvapiurl'])) { |
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$pdata = $this->get_params_via_api($in_params['bvpdataviaapi'], $in_params['bvapiurl']); |
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if ($pdata !== false) { |
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$in_params["bvprms"] = $pdata; |
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} |
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} |
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|
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if (array_key_exists('bvprms', $in_params) && isset($in_params['bvprms']) && |
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array_key_exists('bvprmsmac', $in_params) && isset($in_params['bvprmsmac'])) { |
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$digest_algo = 'SHA1'; |
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$sent_mac = WPRAccount::sanitizeKey($in_params['bvprmsmac']); |
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|
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if (array_key_exists('bvprmshshalgo', $in_params) && isset($in_params['bvprmshshalgo'])) { |
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$digest_algo = $in_params['bvprmshshalgo']; |
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} |
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|
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$calculated_mac = hash_hmac($digest_algo, $in_params['bvprms'], $this->account->secret); |
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$this->calculated_mac = substr($calculated_mac, 0, 6); |
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|
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if ($this->compare_mac($sent_mac, $calculated_mac) === true) { |
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|
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if (array_key_exists('b64', $in_params)) { |
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foreach ($in_params['b64'] as $key) { |
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if (is_array($in_params[$key])) { |
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$in_params[$key] = array_map('base64_decode', $in_params[$key]); |
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} else { |
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$in_params[$key] = base64_decode($in_params[$key]); |
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} |
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} |
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} |
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|
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if (array_key_exists('unser', $in_params)) { |
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foreach ($in_params['unser'] as $key) { |
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$in_params[$key] = json_decode($in_params[$key], TRUE); |
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} |
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} |
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|
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if (array_key_exists('sersafe', $in_params)) { |
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$key = $in_params['sersafe']; |
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$in_params[$key] = BVCallbackRequest::serialization_safe_decode($in_params[$key]); |
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} |
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|
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if (array_key_exists('bvprms', $in_params) && isset($in_params['bvprms'])) { |
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$params = $in_params['bvprms']; |
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} |
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|
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if (array_key_exists('clacts', $in_params)) { |
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foreach ($in_params['clacts'] as $action) { |
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remove_all_actions($action); |
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} |
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} |
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|
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if (array_key_exists('clallacts', $in_params)) { |
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global $wp_filter; |
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foreach ( $wp_filter as $filter => $val ){ |
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remove_all_actions($filter); |
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} |
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} |
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|
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if (array_key_exists('memset', $in_params)) { |
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$val = intval(urldecode($in_params['memset'])); |
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@ini_set('memory_limit', $val.'M'); |
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} |
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|
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return $params; |
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} |
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} |
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|
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return false; |
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} |
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|
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private function compare_mac($l_hash, $r_hash) { |
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if (!is_string($l_hash) || !is_string($r_hash)) { |
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return false; |
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} |
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|
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if (strlen($l_hash) !== strlen($r_hash)) { |
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return false; |
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} |
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|
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if (function_exists('hash_equals')) { |
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return hash_equals($l_hash, $r_hash); |
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} else { |
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return $l_hash === $r_hash; |
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} |
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} |
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|
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public static function serialization_safe_decode($data) { |
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if (is_array($data)) { |
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$data = array_map(array('BVCallbackRequest', 'serialization_safe_decode'), $data); |
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} elseif (is_string($data)) { |
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$data = base64_decode($data); |
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} |
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|
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return $data; |
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} |
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} |
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endif; |
