public static function checkIPv6($ip) { $ipPart = SimplePie_Net_IPv6::SplitV64($ip); $count = 0; if (!empty($ipPart[0])) { $ipv6 = explode(':', $ipPart[0]); for ($i = 0; $i < count($ipv6); $i++) { $dec = hexdec($ipv6[$i]); $hex = strtoupper(preg_replace('/^[0]{1,3}(.*[0-9a-fA-F])$/', '\\1', $ipv6[$i])); if ($ipv6[$i] >= 0 && $dec <= 65535 && $hex === strtoupper(dechex($dec))) { $count++; } } if ($count === 8) { return true; } elseif ($count === 6 && !empty($ipPart[1])) { $ipv4 = explode('.', $ipPart[1]); $count = 0; foreach ($ipv4 as $ipv4_part) { if ($ipv4_part >= 0 && $ipv4_part <= 255 && preg_match('/^\\d{1,3}$/', $ipv4_part)) { $count++; } } if ($count === 4) { return true; } } else { return false; } } else { return false; } }
/** * Set the ihost. Returns true on success, false on failure (if there are * any invalid characters). * * @param string $ihost * @return bool */ public function set_host($ihost) { if ($ihost === null) { $this->ihost = null; return true; } elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') { if (SimplePie_Net_IPv6::check_ipv6(substr($ihost, 1, -1))) { $this->ihost = '[' . SimplePie_Net_IPv6::compress(substr($ihost, 1, -1)) . ']'; } else { $this->ihost = null; return false; } } else { $ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;='); // Lowercase, but ignore pct-encoded sections (as they should // remain uppercase). This must be done after the previous step // as that can add unescaped characters. $position = 0; $strlen = strlen($ihost); while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) { if ($ihost[$position] === '%') { $position += 3; } else { $ihost[$position] = strtolower($ihost[$position]); $position++; } } $this->ihost = $ihost; } $this->scheme_normalization(); return true; }
/** * Set the host. Returns true on success, false on failure (if there are * any invalid characters). * * @access public * @param string $host * @return bool */ public function set_host($host) { if ($host === null || $host === '') { $this->host = null; $this->valid[__FUNCTION__] = true; return true; } elseif ($host[0] === '[' && substr($host, -1) === ']') { if (SimplePie_Net_IPv6::checkIPv6(substr($host, 1, -1))) { $this->host = $host; $this->valid[__FUNCTION__] = true; return true; } else { $this->host = null; $this->valid[__FUNCTION__] = false; return false; } } else { $this->host = $this->replace_invalid_with_pct_encoding($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=', SIMPLEPIE_LOWERCASE); $this->valid[__FUNCTION__] = true; return true; } }