/**
* Validates and type-casts API Request parameters
*
* TODO 02/09/2009: Create more informative InvalidArgumentException classes:
* InvalidInputException, MissingRequiredParameterException, etc.
*
* @param array &$expected Types of checks required for request
* @param array &$input Actual request parameters
* @param array &$optional Array to store optional parameters in
*
* @return void
*/
public static function checkInput(&$expected, &$input, &$optional)
{
// Validation checks
$checks = array("required" => "checkForMissingParams", "alphanum" => "checkAlphaNumericStrings", "ints" => "checkInts", "floats" => "checkFloats", "bools" => "checkBools", "dates" => "checkDates", "encoded" => "checkURLEncodedStrings", "urls" => "checkURLs", "files" => "checkFilePaths", "uuids" => "checkUUIDs");
// Run validation checks
foreach ($checks as $name => $method) {
if (isset($expected[$name])) {
Validation_InputValidator::$method($expected[$name], $input);
}
}
// Create array of optional parameters
if (isset($expected["optional"])) {
Validation_InputValidator::checkOptionalParams($expected["optional"], $input, $optional);
}
// Check for unknown parameters
$allowed = array("action", "_", "XDEBUG_PROFILE");
if (isset($expected["required"])) {
$allowed = array_merge($allowed, array_values($expected["required"]));
}
if (isset($expected["optional"])) {
$allowed = array_merge($allowed, array_values($expected["optional"]));
}
// Unset any unexpected request parameters
foreach (array_keys($_REQUEST) as $param) {
if (!in_array($param, $allowed)) {
/*
throw new InvalidArgumentException(
'Unrecognized parameter <b>'.$param.'</b>.', 27);
*/
unset($_REQUEST[$param]);
unset($_GET[$param]);
unset($_POST[$param]);
}
}
}
