PHP c_ws_plugin__s2member_utils_urls::remove_s2member_sigs方法代码示例

 /**
  * Verifies an s2Member-generated signature; in a full URL, a partial URI, or in just a query string.
  *
  * @package s2Member\Utilities
  * @since 111106
  *
  * @param str $url_uri_query A full URL, a partial URI, or just a query string. Must have an s2Member-generated signature to validate.
  * @param bool $check_time Optional. Defaults to false. If true, s2Member will also check if the signature has expired, based on ``$exp_secs``.
  * @param str|int $exp_secs Optional. Defaults to (int)10. If ``$check_time`` is true, s2Member will check if the signature has expired, based on ``$exp_secs``.
  * @param str $sig_var Optional. The name of the s2Member-generated signature variable. Defaults to `_s2member_sig`.
  * @return bool True if the s2Member-generated signature is OK, else false.
  */
 public static function s2member_sig_ok($url_uri_query = FALSE, $check_time = FALSE, $exp_secs = FALSE, $sig_var = FALSE)
 {
     $url_uri_query = $query = c_ws_plugin__s2member_utils_strings::trim((string) $url_uri_query, false, "?&=");
     if (preg_match("/^(?:[a-z]+\\:\\/\\/|\\/)/i", $url_uri_query)) {
         $query = trim(c_ws_plugin__s2member_utils_urls::parse_url($url_uri_query, PHP_URL_QUERY), "?&=");
     }
     /**/
     $check_time = $check_time ? true : false;
     $exp_secs = is_numeric($exp_secs) ? (int) $exp_secs : 10;
     $sig_var = $sig_var && is_string($sig_var) ? $sig_var : "_s2member_sig";
     /**/
     $key = c_ws_plugin__s2member_utils_encryption::key();
     /**/
     if (preg_match_all("/" . preg_quote($sig_var, "/") . "\\=([0-9]+)-([^&\$]+)/", $query, $sigs)) {
         $query = c_ws_plugin__s2member_utils_urls::remove_s2member_sigs($query, $sig_var);
         /**/
         wp_parse_str($query, $vars);
         $vars = c_ws_plugin__s2member_utils_arrays::remove_0b_strings(c_ws_plugin__s2member_utils_strings::trim_deep($vars));
         $vars = serialize(c_ws_plugin__s2member_utils_arrays::ksort_deep($vars));
         /**/
         ($time = $sigs[1][$i = count($sigs[1]) - 1]) . ($sig = $sigs[2][$i]) . ($valid_sig = md5($key . $time . $vars));
         /**/
         if ($check_time) {
             return $sig === $valid_sig && $time >= strtotime("-" . $exp_secs . " seconds");
         } else {
             /* Ignoring time? Just need to compare signatures in this case. */
             return $sig === $valid_sig;
         }
     } else {
         /* Return false. No ``$query``, or no ``$sigs``. */
         return false;
     }
 }

 /**
  * Verifies an s2Member-generated signature; in a full URL, a partial URI, or in just a query string.
  *
  * @package s2Member\Utilities
  * @since 111106
  *
  * @param string $url_uri_query A full URL, a partial URI, or just a query string. Must have an s2Member-generated signature to validate.
  * @param bool $check_time Optional. Defaults to false. If true, s2Member will also check if the signature has expired, based on ``$exp_secs``.
  * @param string|int $exp_secs Optional. Defaults to (int)10. If ``$check_time`` is true, s2Member will check if the signature has expired, based on ``$exp_secs``.
  * @param string $sig_var Optional. The name of the s2Member-generated signature variable. Defaults to `_s2member_sig`.
  * @return bool True if the s2Member-generated signature is OK, else false.
  */
 public static function s2member_sig_ok($url_uri_query = FALSE, $check_time = FALSE, $exp_secs = FALSE, $sig_var = FALSE)
 {
     $url_uri_query = $query = c_ws_plugin__s2member_utils_strings::trim((string) $url_uri_query, false, '?&=');
     if (preg_match('/^(?:[a-z]+\\:\\/\\/|\\/)/i', $url_uri_query)) {
         // Is this a full URL or a partial URI?
         $query = trim(c_ws_plugin__s2member_utils_urls::parse_url($url_uri_query, PHP_URL_QUERY), '?&=');
     }
     $check_time = (bool) $check_time;
     // Check time?
     $exp_secs = is_numeric($exp_secs) ? (int) $exp_secs : 10;
     $sig_var = $sig_var && is_string($sig_var) ? $sig_var : '_s2member_sig';
     $key = c_ws_plugin__s2member_utils_encryption::key();
     // Obtain key.
     if (preg_match_all('/' . preg_quote($sig_var, '/') . '\\=([0-9]+)-([^&$]+)/', $query, $sigs)) {
         $query = c_ws_plugin__s2member_utils_urls::remove_s2member_sigs($query, $sig_var);
         wp_parse_str($query, $vars);
         // Parse the query string into an array of ``$vars``.
         $vars = c_ws_plugin__s2member_utils_arrays::remove_0b_strings(c_ws_plugin__s2member_utils_strings::trim_deep($vars));
         $vars = serialize(c_ws_plugin__s2member_utils_arrays::ksort_deep($vars));
         $i = count($sigs[1]) - 1;
         // Last one.
         $time = $sigs[1][$i];
         // Timestamp.
         $sig = $sigs[2][$i];
         // Signature.
         $valid_sig = md5($key . $time . $vars);
         if ($check_time) {
             // This must NOT be older than ``$exp_secs`` seconds ago.
             return $sig === $valid_sig && $time >= strtotime('-' . $exp_secs . ' seconds');
         }
         return $sig === $valid_sig;
     }
     return false;
     // False, it's NOT ok.
 }