/**
* em_unzip::_check_parameters()
*
* { Description }
*
* @param integer $p_error_code
* @param string $p_error_string
*/
function _check_parameters(&$p_params, $p_default)
{
// Check that param is an array
if (!is_array($p_params)) {
$this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER, 'Unsupported parameter, waiting for an array');
return em_unzip::errorCode();
}
// Check that all the params are valid
for (reset($p_params); list($v_key, $v_value) = each($p_params);) {
if (!isset($p_default[$v_key])) {
$this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAMETER, 'Unsupported parameter with key \'' . $v_key . '\'');
return em_unzip::errorCode();
}
}
// Set the default values
for (reset($p_default); list($v_key, $v_value) = each($p_default);) {
if (!isset($p_params[$v_key])) {
$p_params[$v_key] = $p_default[$v_key];
}
}
// Check specific parameters
$v_callback_list = array('callback_pre_add', 'callback_post_add', 'callback_pre_extract', 'callback_post_extract');
for ($i = 0; $i < sizeof($v_callback_list); $i++) {
$v_key = $v_callback_list[$i];
if (isset($p_params[$v_key]) && $p_params[$v_key] != '') {
if (!function_exists($p_params[$v_key])) {
$this->_errorLog(ARCHIVE_ZIP_ERR_INVALID_PARAM_VALUE, "Callback '" . $p_params[$v_key] . "()' is not an existing function for " . "parameter '" . $v_key . "'");
return em_unzip::errorCode();
}
}
}
return 1;
}
/**
* Unzips a zip file in the given path.
*
* Uses unzip binary if available, otherwise a pure PHP unzip is used.
*
* @param string $file Full path to zip file
* @param string $path Path to change to before extracting
* @return boolean True on success, false in failure
*/
function unzip($file, $path)
{
if (strlen($GLOBALS['TYPO3_CONF_VARS']['BE']['unzip_path'])) {
chdir($path);
$cmd = $GLOBALS['TYPO3_CONF_VARS']['BE']['unzip_path'] . ' -o ' . escapeshellarg($file);
exec($cmd, $list, $ret);
return $ret === 0;
} else {
// we use a pure PHP unzip
$unzip = new em_unzip($file);
$ret = $unzip->extract(array('add_path' => $path));
return is_array($ret);
}
}
