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- <?php
- namespace Grav\Common\Data;
- use Grav\Common\GravTrait;
- use Symfony\Component\Yaml\Exception\ParseException;
- use Symfony\Component\Yaml\Parser;
- /**
- * Data validation.
- *
- * @author RocketTheme
- * @license MIT
- */
- class Validation
- {
- use GravTrait;
- /**
- * Validate value against a blueprint field definition.
- *
- * @param mixed $value
- * @param array $field
- * @throws \RuntimeException
- */
- public static function validate($value, array $field)
- {
- $validate = isset($field['validate']) ? (array) $field['validate'] : array();
- // If value isn't required, we will stop validation if empty value is given.
- if (empty($validate['required']) && ($value === null || $value === '')) {
- return;
- }
- // Get language class
- $language = self::getGrav()['language'];
- // Validate type with fallback type text.
- $type = (string) isset($field['validate']['type']) ? $field['validate']['type'] : $field['type'];
- $method = 'type'.strtr($type, '-', '_');
- $name = ucfirst(isset($field['label']) ? $field['label'] : $field['name']);
- $message = (string) isset($field['validate']['message']) ? $field['validate']['message'] : 'Invalid input in "' . $language->translate($name) . '""';
- if (method_exists(__CLASS__, $method)) {
- $success = self::$method($value, $validate, $field);
- } else {
- $success = self::typeText($value, $validate, $field);
- }
- if (!$success) {
- throw new \RuntimeException($message);
- }
- // Check individual rules
- foreach ($validate as $rule => $params) {
- $method = 'validate'.strtr($rule, '-', '_');
- if (method_exists(__CLASS__, $method)) {
- $success = self::$method($value, $params);
- if (!$success) {
- throw new \RuntimeException($message);
- }
- }
- }
- }
- /**
- * Filter value against a blueprint field definition.
- *
- * @param mixed $value
- * @param array $field
- * @return mixed Filtered value.
- */
- public static function filter($value, array $field)
- {
- $validate = isset($field['validate']) ? (array) $field['validate'] : array();
- // If value isn't required, we will return null if empty value is given.
- if (empty($validate['required']) && ($value === null || $value === '')) {
- return null;
- }
- // if this is a YAML field, simply parse it and return the value
- if (isset($field['yaml']) && $field['yaml'] === true) {
- try {
- $yaml = new Parser();
- return $yaml->parse($value);
- } catch (ParseException $e) {
- throw new \RuntimeException($e->getMessage());
- }
- }
- // Validate type with fallback type text.
- $type = (string) isset($field['validate']['type']) ? $field['validate']['type'] : $field['type'];
- $method = 'filter'.strtr($type, '-', '_');
- if (method_exists(__CLASS__, $method)) {
- $value = self::$method($value, $validate, $field);
- } else {
- $value = self::filterText($value, $validate, $field);
- }
- return $value;
- }
- /**
- * HTML5 input: text
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeText($value, array $params, array $field)
- {
- if (!is_string($value)) {
- return false;
- }
- if (isset($params['min']) && strlen($value) < $params['min']) {
- return false;
- }
- if (isset($params['max']) && strlen($value) > $params['max']) {
- return false;
- }
- $min = isset($params['min']) ? $params['min'] : 0;
- if (isset($params['step']) && (strlen($value) - $min) % $params['step'] == 0) {
- return false;
- }
- if ((!isset($params['multiline']) || !$params['multiline']) && preg_match('/\R/um', $value)) {
- return false;
- }
- return true;
- }
- protected static function filterText($value, array $params, array $field)
- {
- return (string) $value;
- }
- protected static function filterCommaList($value, array $params, array $field)
- {
- return is_array($value) ? $value : preg_split('/\s*,\s*/', $value, -1, PREG_SPLIT_NO_EMPTY);
- }
- protected static function typeCommaList($value, array $params, array $field)
- {
- return is_array($value) ? true : self::typeText($value, $params, $field);
- }
- /**
- * HTML5 input: textarea
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeTextarea($value, array $params, array $field)
- {
- if (!isset($params['multiline'])) {
- $params['multiline'] = true;
- }
- return self::typeText($value, $params, $field);
- }
- /**
- * HTML5 input: password
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typePassword($value, array $params, array $field)
- {
- return self::typeText($value, $params, $field);
- }
- /**
- * HTML5 input: hidden
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeHidden($value, array $params, array $field)
- {
- return self::typeText($value, $params, $field);
- }
- /**
- * Custom input: checkbox list
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeCheckboxes($value, array $params, array $field)
- {
- return self::typeArray((array) $value, $params, $field);
- }
- protected static function filterCheckboxes($value, array $params, array $field)
- {
- return self::filterArray($value, $params, $field);
- }
- /**
- * HTML5 input: checkbox
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeCheckbox($value, array $params, array $field)
- {
- $value = (string) $value;
- if (!isset($field['value'])) {
- $field['value'] = 1;
- }
- if ($value && $value != $field['value']) {
- return false;
- }
- return true;
- }
- /**
- * HTML5 input: radio
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeRadio($value, array $params, array $field)
- {
- return self::typeArray((array) $value, $params, $field);
- }
- /**
- * Custom input: toggle
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeToggle($value, array $params, array $field)
- {
- return self::typeArray((array) $value, $params, $field);
- }
- /**
- * HTML5 input: select
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeSelect($value, array $params, array $field)
- {
- return self::typeArray((array) $value, $params, $field);
- }
- /**
- * HTML5 input: number
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeNumber($value, array $params, array $field)
- {
- if (!is_numeric($value)) {
- return false;
- }
- if (isset($params['min']) && $value < $params['min']) {
- return false;
- }
- if (isset($params['max']) && $value > $params['max']) {
- return false;
- }
- $min = isset($params['min']) ? $params['min'] : 0;
- if (isset($params['step']) && fmod($value - $min, $params['step']) == 0) {
- return false;
- }
- return true;
- }
- protected static function filterNumber($value, array $params, array $field)
- {
- return (int) $value;
- }
- protected static function filterDateTime($value, array $params, array $field)
- {
- $format = self::getGrav()['config']->get('system.pages.dateformat.default');
- if ($format) {
- $converted = new \DateTime($value);
- return $converted->format($format);
- }
- return $value;
- }
- /**
- * HTML5 input: range
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeRange($value, array $params, array $field)
- {
- return self::typeNumber($value, $params, $field);
- }
- protected static function filterRange($value, array $params, array $field)
- {
- return self::filterNumber($value, $params, $field);
- }
- /**
- * HTML5 input: color
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeColor($value, array $params, array $field)
- {
- return preg_match('/^\#[0-9a-fA-F]{3}[0-9a-fA-F]{3}?$/u', $value);
- }
- /**
- * HTML5 input: email
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeEmail($value, array $params, array $field)
- {
- return self::typeText($value, $params, $field) && filter_var($value, FILTER_VALIDATE_EMAIL);
- }
- /**
- * HTML5 input: url
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeUrl($value, array $params, array $field)
- {
- return self::typeText($value, $params, $field) && filter_var($value, FILTER_VALIDATE_URL);
- }
- /**
- * HTML5 input: datetime
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeDatetime($value, array $params, array $field)
- {
- if ($value instanceof \DateTime) {
- return true;
- } elseif (!is_string($value)) {
- return false;
- } elseif (!isset($params['format'])) {
- return false !== strtotime($value);
- }
- $dateFromFormat = \DateTime::createFromFormat($params['format'], $value);
- return $dateFromFormat && $value === date($params['format'], $dateFromFormat->getTimestamp());
- }
- /**
- * HTML5 input: datetime-local
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeDatetimeLocal($value, array $params, array $field)
- {
- return self::typeDatetime($value, $params, $field);
- }
- /**
- * HTML5 input: date
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeDate($value, array $params, array $field)
- {
- $params = array($params);
- if (!isset($params['format'])) {
- $params['format'] = 'Y-m-d';
- }
- return self::typeDatetime($value, $params, $field);
- }
- /**
- * HTML5 input: time
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeTime($value, array $params, array $field)
- {
- $params = array($params);
- if (!isset($params['format'])) {
- $params['format'] = 'H:i';
- }
- return self::typeDatetime($value, $params, $field);
- }
- /**
- * HTML5 input: month
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeMonth($value, array $params, array $field)
- {
- $params = array($params);
- if (!isset($params['format'])) {
- $params['format'] = 'Y-m';
- }
- return self::typeDatetime($value, $params, $field);
- }
- /**
- * HTML5 input: week
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeWeek($value, array $params, array $field)
- {
- if (!isset($params['format']) && !preg_match('/^\d{4}-W\d{2}$/u', $value)) {
- return false;
- }
- return self::typeDatetime($value, $params, $field);
- }
- /**
- * Custom input: array
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeArray($value, array $params, array $field)
- {
- if (!is_array($value)) {
- return false;
- }
- if (isset($field['multiple'])) {
- if (isset($params['min']) && count($value) < $params['min']) {
- return false;
- }
- if (isset($params['max']) && count($value) > $params['max']) {
- return false;
- }
- $min = isset($params['min']) ? $params['min'] : 0;
- if (isset($params['step']) && (count($value) - $min) % $params['step'] == 0) {
- return false;
- }
- }
- $options = isset($field['options']) ? array_keys($field['options']) : array();
- $values = isset($field['use']) && $field['use'] == 'keys' ? array_keys($value) : $value;
- if ($options && array_diff($values, $options)) {
- return false;
- }
- return true;
- }
- protected static function filterArray($value, $params, $field)
- {
- $values = (array) $value;
- $options = isset($field['options']) ? array_keys($field['options']) : array();
- $multi = isset($field['multiple']) ? $field['multiple'] : false;
- if ($options) {
- $useKey = isset($field['use']) && $field['use'] == 'keys';
- foreach ($values as $key => $value) {
- $values[$key] = $useKey ? (bool) $value : $value;
- }
- }
- if ($multi) {
- foreach ($values as $key => $value) {
- if (is_array($value)) {
- $value = implode(',', $value);
- }
- $values[$key] = array_map('trim', explode(',', $value));
- }
- }
- return $values;
- }
- public static function typeList($value, array $params, array $field)
- {
- if (!is_array($value)) {
- return false;
- }
- if (isset($field['fields'])) {
- foreach ($value as $key => $item) {
- foreach ($field['fields'] as $subKey => $subField) {
- $subKey = trim($subKey, '.');
- $subValue = isset($item[$subKey]) ? $item[$subKey] : null;
- self::validate($subValue, $subField);
- }
- }
- }
- return true;
- }
- protected static function filterList($value, array $params, array $field)
- {
- return (array) $value;
- }
- /**
- * Custom input: ignore (will not validate)
- *
- * @param mixed $value Value to be validated.
- * @param array $params Validation parameters.
- * @param array $field Blueprint for the field.
- * @return bool True if validation succeeded.
- */
- public static function typeIgnore($value, array $params, array $field)
- {
- return true;
- }
- public static function filterIgnore($value, array $params, array $field)
- {
- return $value;
- }
- // HTML5 attributes (min, max and range are handled inside the types)
- public static function validateRequired($value, $params)
- {
- if (is_string($value)) {
- $value = trim($value);
- }
-
- return (bool) $params !== true || !empty($value);
- }
- public static function validatePattern($value, $params)
- {
- return (bool) preg_match("`^{$params}$`u", $value);
- }
- // Internal types
- public static function validateAlpha($value, $params)
- {
- return ctype_alpha($value);
- }
- public static function validateAlnum($value, $params)
- {
- return ctype_alnum($value);
- }
- public static function typeBool($value, $params)
- {
- return is_bool($value) || $value == 1 || $value == 0;
- }
- public static function validateBool($value, $params)
- {
- return is_bool($value) || $value == 1 || $value == 0;
- }
- protected static function filterBool($value, $params)
- {
- return (bool) $value;
- }
- public static function validateDigit($value, $params)
- {
- return ctype_digit($value);
- }
- public static function validateFloat($value, $params)
- {
- return is_float(filter_var($value, FILTER_VALIDATE_FLOAT));
- }
- protected static function filterFloat($value, $params)
- {
- return (float) $value;
- }
- public static function validateHex($value, $params)
- {
- return ctype_xdigit($value);
- }
- public static function validateInt($value, $params)
- {
- return is_numeric($value) && (int) $value == $value;
- }
- protected static function filterInt($value, $params)
- {
- return (int) $value;
- }
- public static function validateArray($value, $params)
- {
- return is_array($value) || ($value instanceof \ArrayAccess
- && $value instanceof \Traversable
- && $value instanceof \Countable);
- }
- public static function validateJson($value, $params)
- {
- return (bool) (json_decode($value));
- }
- }
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