/**
* Verify CLI response from endpoint.
*
* @param string $response Response from endpoint.
* @param string $function_name Name of called function.
*
* @return WP_Error|string
*/
function verify_cli_response($response, $function_name)
{
$response = trim($response);
if (false === $response) {
return $this->cli_error($this->error);
}
if (false === $this->wpmdb->is_json($response)) {
return $this->cli_error(sprintf(__('We were expecting a JSON response, instead we received: %2$s (function name: %1$s)', 'wp-migrate-db-cli'), $function_name, $response));
}
$response = json_decode($response, true);
if (isset($response['wpmdb_error'])) {
return $this->cli_error($response['body']);
}
// Display warnings and non fatal error messages as CLI warnings without aborting.
if (isset($response['wpmdb_warning']) || isset($response['wpmdb_non_fatal_error'])) {
$body = isset($response['cli_body']) ? $response['cli_body'] : $response['body'];
$messages = maybe_unserialize($body);
foreach ((array) $messages as $message) {
if ($message) {
WP_CLI::warning(self::cleanup_message($message));
}
}
}
return $response;
}
/**
* Sanitize and validate data.
*
* @param string|array $data The data to the sanitized.
* @param string|array $key_rules The keys in the data (if data is an array) and the sanitization rule(s) to apply for each key.
* @param string $context Additional context data for messages etc.
* @param int $recursion_level How deep in the recursion are we? Optional, defaults to 0.
*
* @return mixed The sanitized data, the data if no key rules supplied or `false` if an unrecognized rule supplied.
*/
private static function _sanitize_data($data, $key_rules, $context, $recursion_level = 0)
{
if (empty($data) || empty($key_rules)) {
return $data;
}
if (0 === $recursion_level && is_array($data)) {
// We always expect associative arrays.
if (!is_array($key_rules)) {
wp_die(sprintf(__('%1$s was not expecting data to be an array.', 'wp-db-migrate-pro'), $context));
return false;
}
foreach ($data as $key => $value) {
// If a key does not have a rule it's not ours and can be removed.
// We should not fail if there is extra data as plugins like Polylang add their own data to each ajax request.
if (!array_key_exists($key, $key_rules)) {
unset($data[$key]);
continue;
}
$data[$key] = WPMDB_Sanitize::_sanitize_data($value, $key_rules[$key], $context, $recursion_level + 1);
}
} elseif (is_array($key_rules)) {
foreach ($key_rules as $rule) {
$data = WPMDB_Sanitize::_sanitize_data($data, $rule, $context, $recursion_level + 1);
}
} else {
// Neither $data or $key_rules are a first level array so can be analysed.
if ('array' == $key_rules) {
if (!is_array($data)) {
wp_die(sprintf(__('%1$s was expecting an array but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('string' == $key_rules) {
if (!is_string($data)) {
wp_die(sprintf(__('%1$s was expecting a string but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('key' == $key_rules) {
$key_name = sanitize_key($data);
if ($key_name !== $data) {
wp_die(sprintf(__('%1$s was expecting a valid key but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = $key_name;
} elseif ('text' == $key_rules) {
$text = sanitize_text_field($data);
if ($text !== $data) {
wp_die(sprintf(__('%1$s was expecting text but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = $text;
} elseif ('serialized' == $key_rules) {
if (!is_string($data) || !is_serialized($data)) {
wp_die(sprintf(__('%1$s was expecting serialized data but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('json_array' == $key_rules) {
if (!is_string($data) || !WPMDB::is_json($data)) {
wp_die(sprintf(__('%1$s was expecting JSON data but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = json_decode($data, true);
} elseif ('json' == $key_rules) {
if (!is_string($data) || !WPMDB::is_json($data)) {
wp_die(sprintf(__('%1$s was expecting JSON data but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('numeric' == $key_rules) {
if (!is_numeric($data)) {
wp_die(sprintf(__('%1$s was expecting a valid numeric but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('int' == $key_rules) {
// As we are sanitizing form data, even integers are within a string.
if (!is_numeric($data) || (int) $data != $data) {
wp_die(sprintf(__('%1$s was expecting an integer but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = (int) $data;
} elseif ('positive_int' == $key_rules) {
if (!is_numeric($data) || (int) $data != $data || 0 > $data) {
wp_die(sprintf(__('%1$s was expecting a positive number (int) but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = floor($data);
} elseif ('negative_int' == $key_rules) {
if (!is_numeric($data) || (int) $data != $data || 0 < $data) {
wp_die(sprintf(__('%1$s was expecting a negative number (int) but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = ceil($data);
} elseif ('zero_int' == $key_rules) {
if (!is_numeric($data) || (int) $data != $data || 0 !== $data) {
wp_die(sprintf(__('%1$s was expecting 0 (int) but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = 0;
} elseif ('empty' == $key_rules) {
if (!empty($data)) {
wp_die(sprintf(__('%1$s was expecting an empty value but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
} elseif ('url' == $key_rules) {
$url = esc_url_raw($data);
if (empty($url)) {
wp_die(sprintf(__('%1$s was expecting a URL but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = $url;
} elseif ('bool' == $key_rules) {
$bool = sanitize_key($data);
if (empty($bool) || !in_array($bool, array('true', 'false'))) {
wp_die(sprintf(__('%1$s was expecting a bool but got something else: "%2$s"', 'wp-db-migrate-pro'), $context, $data));
return false;
}
$data = $bool;
} else {
wp_die(sprintf(__('Unknown sanitization rule "%1$s" supplied by %2$s', 'wp-db-migrate-pro'), $key_rules, $context));
return false;
}
}
return $data;
}
