<?php<liu21st@gmail.com>
namespace think;
use think\exception\ClassNotFoundException;
class Validate
{
protected static $instance;
protected static $type = [];
protected $alias = [
'>' => 'gt', '>=' => 'egt', '<' => 'lt', '<=' => 'elt', '=' => 'eq', 'same' => 'eq',
];
protected $rule = [];
protected $message = [];
protected $field = [];
protected static $typeMsg = [
'require' => ':attribute require',
'number' => ':attribute must be numeric',
'integer' => ':attribute must be integer',
'float' => ':attribute must be float',
'boolean' => ':attribute must be bool',
'email' => ':attribute not a valid email address',
'array' => ':attribute must be a array',
'accepted' => ':attribute must be yes,on or 1',
'date' => ':attribute not a valid datetime',
'file' => ':attribute not a valid file',
'image' => ':attribute not a valid image',
'alpha' => ':attribute must be alpha',
'alphaNum' => ':attribute must be alpha-numeric',
'alphaDash' => ':attribute must be alpha-numeric, dash, underscore',
'activeUrl' => ':attribute not a valid domain or ip',
'chs' => ':attribute must be chinese',
'chsAlpha' => ':attribute must be chinese or alpha',
'chsAlphaNum' => ':attribute must be chinese,alpha-numeric',
'chsDash' => ':attribute must be chinese,alpha-numeric,underscore, dash',
'url' => ':attribute not a valid url',
'ip' => ':attribute not a valid ip',
'dateFormat' => ':attribute must be dateFormat of :rule',
'in' => ':attribute must be in :rule',
'notIn' => ':attribute be notin :rule',
'between' => ':attribute must between :1 - :2',
'notBetween' => ':attribute not between :1 - :2',
'length' => 'size of :attribute must be :rule',
'max' => 'max size of :attribute must be :rule',
'min' => 'min size of :attribute must be :rule',
'after' => ':attribute cannot be less than :rule',
'before' => ':attribute cannot exceed :rule',
'expire' => ':attribute not within :rule',
'allowIp' => 'access IP is not allowed',
'denyIp' => 'access IP denied',
'confirm' => ':attribute out of accord with :2',
'different' => ':attribute cannot be same with :2',
'egt' => ':attribute must greater than or equal :rule',
'gt' => ':attribute must greater than :rule',
'elt' => ':attribute must less than or equal :rule',
'lt' => ':attribute must less than :rule',
'eq' => ':attribute must equal :rule',
'unique' => ':attribute has exists',
'regex' => ':attribute not conform to the rules',
'method' => 'invalid Request method',
'token' => 'invalid token',
'fileSize' => 'filesize not match',
'fileExt' => 'extensions to upload is not allowed',
'fileMime' => 'mimetype to upload is not allowed',
];
protected $currentScene = null;
protected $regex = [];
protected $scene = [];
protected $error = [];
protected $batch = false;
public function __construct(array $rules = [], $message = [], $field = [])
{
$this->rule = array_merge($this->rule, $rules);
$this->message = array_merge($this->message, $message);
$this->field = array_merge($this->field, $field);
}
public static function make($rules = [], $message = [], $field = [])
{
if (is_null(self::$instance)) {
self::$instance = new self($rules, $message, $field);
}
return self::$instance;
}
public function rule($name, $rule = '')
{
if (is_array($name)) {
$this->rule = array_merge($this->rule, $name);
} else {
$this->rule[$name] = $rule;
}
return $this;
}
public static function extend($type, $callback = null)
{
if (is_array($type)) {
self::$type = array_merge(self::$type, $type);
} else {
self::$type[$type] = $callback;
}
}
public static function setTypeMsg($type, $msg = null)
{
if (is_array($type)) {
self::$typeMsg = array_merge(self::$typeMsg, $type);
} else {
self::$typeMsg[$type] = $msg;
}
}
public function message($name, $message = '')
{
if (is_array($name)) {
$this->message = array_merge($this->message, $name);
} else {
$this->message[$name] = $message;
}
return $this;
}
public function scene($name, $fields = null)
{
if (is_array($name)) {
$this->scene = array_merge($this->scene, $name);
}if (is_null($fields)) {
$this->currentScene = $name;
} else {
$this->scene[$name] = $fields;
}
return $this;
}
public function hasScene($name)
{
return isset($this->scene[$name]);
}
public function batch($batch = true)
{
$this->batch = $batch;
return $this;
}
public function check($data, $rules = [], $scene = '')
{
$this->error = [];
if (empty($rules)) {
$rules = $this->rule;
}
$scene = $this->getScene($scene);
if (is_array($scene)) {
$change = [];
$array = [];
foreach ($scene as $k => $val) {
if (is_numeric($k)) {
$array[] = $val;
} else {
$array[] = $k;
$change[$k] = $val;
}
}
}
foreach ($rules as $key => $item) {
if (is_numeric($key)) {
$key = $item[0];
$rule = $item[1];
if (isset($item[2])) {
$msg = is_string($item[2]) ? explode('|', $item[2]) : $item[2];
} else {
$msg = [];
}
} else {
$rule = $item;
$msg = [];
}
if (strpos($key, '|')) {
list($key, $title) = explode('|', $key);
} else {
$title = isset($this->field[$key]) ? $this->field[$key] : $key;
}
if (!empty($scene)) {
if ($scene instanceof \Closure && !call_user_func_array($scene, [$key, $data])) {
continue;
} elseif (is_array($scene)) {
if (!in_array($key, $array)) {
continue;
} elseif (isset($change[$key])) {
$rule = $change[$key];
}
}
}
$value = $this->getDataValue($data, $key);
if ($rule instanceof \Closure) {
$result = call_user_func_array($rule, [$value, $data]);
} else {
$result = $this->checkItem($key, $value, $rule, $data, $title, $msg);
}
if (true !== $result) {
if (!empty($this->batch)) {
if (is_array($result)) {
$this->error = array_merge($this->error, $result);
} else {
$this->error[$key] = $result;
}
} else {
$this->error = $result;
return false;
}
}
}
return !empty($this->error) ? false : true;
}
protected function checkRule($value, $rules)
{
if ($rules instanceof \Closure) {
return call_user_func_array($rules, [$value]);
} elseif (is_string($rules)) {
$rules = explode('|', $rules);
}
foreach ($rules as $key => $rule) {
if ($rule instanceof \Closure) {
$result = call_user_func_array($rule, [$value]);
} else {
list($type, $rule) = $this->getValidateType($key, $rule);
$callback = isset(self::$type[$type]) ? self::$type[$type] : [$this, $type];
$result = call_user_func_array($callback, [$value, $rule]);
}
if (true !== $result) {
return $result;
}
}
return true;
}
protected function checkItem($field, $value, $rules, $data, $title = '', $msg = [])
{
if (is_string($rules)) {
$rules = explode('|', $rules);
}
$i = 0;
foreach ($rules as $key => $rule) {
if ($rule instanceof \Closure) {
$result = call_user_func_array($rule, [$value, $data]);
$info = is_numeric($key) ? '' : $key;
} else {
list($type, $rule, $info) = $this->getValidateType($key, $rule);
if (0 === strpos($info, 'require') || (!is_null($value) && '' !== $value)) {
$callback = isset(self::$type[$type]) ? self::$type[$type] : [$this, $type];
$result = call_user_func_array($callback, [$value, $rule, $data, $field, $title]);
} else {
$result = true;
}
}
if (false === $result) {
if (isset($msg[$i])) {
$message = $msg[$i];
if (is_string($message) && strpos($message, '{%') === 0) {
$message = Lang::get(substr($message, 2, -1));
}
} else {
$message = $this->getRuleMsg($field, $title, $info, $rule);
}
return $message;
} elseif (true !== $result) {
if (is_string($result) && false !== strpos($result, ':')) {
$result = str_replace([':attribute', ':rule'], [$title, (string) $rule], $result);
}
return $result;
}
$i++;
}
return $result;
}
protected function getValidateType($key, $rule)
{
if (!is_numeric($key)) {
return [$key, $rule, $key];
}
if (strpos($rule, ':')) {
list($type, $rule) = explode(':', $rule, 2);
if (isset($this->alias[$type])) {
$type = $this->alias[$type];
}
$info = $type;
} elseif (method_exists($this, $rule)) {
$type = $rule;
$info = $rule;
$rule = '';
} else {
$type = 'is';
$info = $rule;
}
return [$type, $rule, $info];
}
protected function confirm($value, $rule, $data, $field = '')
{
if ('' == $rule) {
if (strpos($field, '_confirm')) {
$rule = strstr($field, '_confirm', true);
} else {
$rule = $field . '_confirm';
}
}
return $this->getDataValue($data, $rule) === $value;
}
protected function different($value, $rule, $data)
{
return $this->getDataValue($data, $rule) != $value;
}
protected function egt($value, $rule, $data)
{
$val = $this->getDataValue($data, $rule);
return !is_null($val) && $value >= $val;
}
protected function gt($value, $rule, $data)
{
$val = $this->getDataValue($data, $rule);
return !is_null($val) && $value > $val;
}
protected function elt($value, $rule, $data)
{
$val = $this->getDataValue($data, $rule);
return !is_null($val) && $value <= $val;
}
protected function lt($value, $rule, $data)
{
$val = $this->getDataValue($data, $rule);
return !is_null($val) && $value < $val;
}
protected function eq($value, $rule)
{
return $value == $rule;
}
protected function is($value, $rule, $data = [])
{
switch ($rule) {
case 'require':
$result = !empty($value) || '0' == $value;
break;
case 'accepted':
$result = in_array($value, ['1', 'on', 'yes']);
break;
case 'date':
$result = false !== strtotime($value);
break;
case 'alpha':
$result = $this->regex($value, '/^[A-Za-z]+$/');
break;
case 'alphaNum':
$result = $this->regex($value, '/^[A-Za-z0-9]+$/');
break;
case 'alphaDash':
$result = $this->regex($value, '/^[A-Za-z0-9\-\_]+$/');
break;
case 'chs':
$result = $this->regex($value, '/^[\x{4e00}-\x{9fa5}]+$/u');
break;
case 'chsAlpha':
$result = $this->regex($value, '/^[\x{4e00}-\x{9fa5}a-zA-Z]+$/u');
break;
case 'chsAlphaNum':
$result = $this->regex($value, '/^[\x{4e00}-\x{9fa5}a-zA-Z0-9]+$/u');
break;
case 'chsDash':
$result = $this->regex($value, '/^[\x{4e00}-\x{9fa5}a-zA-Z0-9\_\-]+$/u');
break;
case 'activeUrl':
$result = checkdnsrr($value);
break;
case 'ip':
$result = $this->filter($value, [FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6]);
break;
case 'url':
$result = $this->filter($value, FILTER_VALIDATE_URL);
break;
case 'float':
$result = $this->filter($value, FILTER_VALIDATE_FLOAT);
break;
case 'number':
$result = is_numeric($value);
break;
case 'integer':
$result = $this->filter($value, FILTER_VALIDATE_INT);
break;
case 'email':
$result = $this->filter($value, FILTER_VALIDATE_EMAIL);
break;
case 'boolean':
$result = in_array($value, [true, false, 0, 1, '0', '1'], true);
break;
case 'array':
$result = is_array($value);
break;
case 'file':
$result = $value instanceof File;
break;
case 'image':
$result = $value instanceof File && in_array($this->getImageType($value->getRealPath()), [1, 2, 3, 6]);
break;
case 'token':
$result = $this->token($value, '__token__', $data);
break;
default:
if (isset(self::$type[$rule])) {
$result = call_user_func_array(self::$type[$rule], [$value]);
} else {
$result = $this->regex($value, $rule);
}
}
return $result;
}
protected function getImageType($image)
{
if (function_exists('exif_imagetype')) {
return exif_imagetype($image);
} else {
try {
$info = getimagesize($image);
return $info ? $info[2] : false;
} catch (\Exception $e) {
return false;
}
}
}
protected function activeUrl($value, $rule)
{
if (!in_array($rule, ['A', 'MX', 'NS', 'SOA', 'PTR', 'CNAME', 'AAAA', 'A6', 'SRV', 'NAPTR', 'TXT', 'ANY'])) {
$rule = 'MX';
}
return checkdnsrr($value, $rule);
}
protected function ip($value, $rule)
{
if (!in_array($rule, ['ipv4', 'ipv6'])) {
$rule = 'ipv4';
}
return $this->filter($value, [FILTER_VALIDATE_IP, 'ipv6' == $rule ? FILTER_FLAG_IPV6 : FILTER_FLAG_IPV4]);
}
protected function fileExt($file, $rule)
{
if (is_array($file)) {
foreach ($file as $item) {
if (!($item instanceof File) || !$item->checkExt($rule)) {
return false;
}
}
return true;
} elseif ($file instanceof File) {
return $file->checkExt($rule);
} else {
return false;
}
}
protected function fileMime($file, $rule)
{
if (is_array($file)) {
foreach ($file as $item) {
if (!($item instanceof File) || !$item->checkMime($rule)) {
return false;
}
}
return true;
} elseif ($file instanceof File) {
return $file->checkMime($rule);
} else {
return false;
}
}
protected function fileSize($file, $rule)
{
if (is_array($file)) {
foreach ($file as $item) {
if (!($item instanceof File) || !$item->checkSize($rule)) {
return false;
}
}
return true;
} elseif ($file instanceof File) {
return $file->checkSize($rule);
} else {
return false;
}
}
protected function image($file, $rule)
{
if (!($file instanceof File)) {
return false;
}
if ($rule) {
$rule = explode(',', $rule);
list($width, $height, $type) = getimagesize($file->getRealPath());
if (isset($rule[2])) {
$imageType = strtolower($rule[2]);
if ('jpeg' == $imageType) {
$imageType = 'jpg';
}
if (image_type_to_extension($type, false) != $imageType) {
return false;
}
}
list($w, $h) = $rule;
return $w == $width && $h == $height;
} else {
return in_array($this->getImageType($file->getRealPath()), [1, 2, 3, 6]);
}
}
protected function method($value, $rule)
{
$method = Request::instance()->method();
return strtoupper($rule) == $method;
}
protected function dateFormat($value, $rule)
{
$info = date_parse_from_format($rule, $value);
return 0 == $info['warning_count'] && 0 == $info['error_count'];
}
protected function unique($value, $rule, $data, $field)
{
if (is_string($rule)) {
$rule = explode(',', $rule);
}
if (false !== strpos($rule[0], '\\')) {
$db = new $rule[0];
} else {
try {
$db = Loader::model($rule[0]);
} catch (ClassNotFoundException $e) {
$db = Db::name($rule[0]);
}
}
$key = isset($rule[1]) ? $rule[1] : $field;
if (strpos($key, '^')) {
$fields = explode('^', $key);
foreach ($fields as $key) {
$map[$key] = $data[$key];
}
} elseif (strpos($key, '=')) {
parse_str($key, $map);
} else {
$map[$key] = $data[$field];
}
$pk = isset($rule[3]) ? $rule[3] : $db->getPk();
if (is_string($pk)) {
if (isset($rule[2])) {
$map[$pk] = ['neq', $rule[2]];
} elseif (isset($data[$pk])) {
$map[$pk] = ['neq', $data[$pk]];
}
}
if ($db->where($map)->field($pk)->find()) {
return false;
}
return true;
}
protected function behavior($value, $rule, $data)
{
return Hook::exec($rule, '', $data);
}
protected function filter($value, $rule)
{
if (is_string($rule) && strpos($rule, ',')) {
list($rule, $param) = explode(',', $rule);
} elseif (is_array($rule)) {
$param = isset($rule[1]) ? $rule[1] : null;
$rule = $rule[0];
} else {
$param = null;
}
return false !== filter_var($value, is_int($rule) ? $rule : filter_id($rule), $param);
}
protected function requireIf($value, $rule, $data)
{
list($field, $val) = explode(',', $rule);
if ($this->getDataValue($data, $field) == $val) {
return !empty($value) || '0' == $value;
} else {
return true;
}
}
protected function requireCallback($value, $rule, $data)
{
$result = call_user_func_array($rule, [$value, $data]);
if ($result) {
return !empty($value) || '0' == $value;
} else {
return true;
}
}
protected function requireWith($value, $rule, $data)
{
$val = $this->getDataValue($data, $rule);
if (!empty($val)) {
return !empty($value) || '0' == $value;
} else {
return true;
}
}
protected function in($value, $rule)
{
return in_array($value, is_array($rule) ? $rule : explode(',', $rule));
}
protected function notIn($value, $rule)
{
return !in_array($value, is_array($rule) ? $rule : explode(',', $rule));
}
protected function between($value, $rule)
{
if (is_string($rule)) {
$rule = explode(',', $rule);
}
list($min, $max) = $rule;
return $value >= $min && $value <= $max;
}
protected function notBetween($value, $rule)
{
if (is_string($rule)) {
$rule = explode(',', $rule);
}
list($min, $max) = $rule;
return $value < $min || $value > $max;
}
protected function length($value, $rule)
{
if (is_array($value)) {
$length = count($value);
} elseif ($value instanceof File) {
$length = $value->getSize();
} else {
$length = mb_strlen((string) $value);
}
if (strpos($rule, ',')) {
list($min, $max) = explode(',', $rule);
return $length >= $min && $length <= $max;
} else {
return $length == $rule;
}
}
protected function max($value, $rule)
{
if (is_array($value)) {
$length = count($value);
} elseif ($value instanceof File) {
$length = $value->getSize();
} else {
$length = mb_strlen((string) $value);
}
return $length <= $rule;
}
protected function min($value, $rule)
{
if (is_array($value)) {
$length = count($value);
} elseif ($value instanceof File) {
$length = $value->getSize();
} else {
$length = mb_strlen((string) $value);
}
return $length >= $rule;
}
protected function after($value, $rule)
{
return strtotime($value) >= strtotime($rule);
}
protected function before($value, $rule)
{
return strtotime($value) <= strtotime($rule);
}
protected function expire($value, $rule)
{
if (is_string($rule)) {
$rule = explode(',', $rule);
}
list($start, $end) = $rule;
if (!is_numeric($start)) {
$start = strtotime($start);
}
if (!is_numeric($end)) {
$end = strtotime($end);
}
return $_SERVER['REQUEST_TIME'] >= $start && $_SERVER['REQUEST_TIME'] <= $end;
}
protected function allowIp($value, $rule)
{
return in_array($_SERVER['REMOTE_ADDR'], is_array($rule) ? $rule : explode(',', $rule));
}
protected function denyIp($value, $rule)
{
return !in_array($_SERVER['REMOTE_ADDR'], is_array($rule) ? $rule : explode(',', $rule));
}
protected function regex($value, $rule)
{
if (isset($this->regex[$rule])) {
$rule = $this->regex[$rule];
}
if (0 !== strpos($rule, '/') && !preg_match('/\/[imsU]{0,4}$/', $rule)) {
$rule = '/^' . $rule . '$/';
}
return is_scalar($value) && 1 === preg_match($rule, (string) $value);
}
protected function token($value, $rule, $data)
{
$rule = !empty($rule) ? $rule : '__token__';
if (!isset($data[$rule]) || !Session::has($rule)) {
return false;
}
if (isset($data[$rule]) && Session::get($rule) === $data[$rule]) {
Session::delete($rule); return true;
}
Session::delete($rule);
return false;
}
public function getError()
{
return $this->error;
}
protected function getDataValue($data, $key)
{
if (is_numeric($key)) {
$value = $key;
} elseif (strpos($key, '.')) {
list($name1, $name2) = explode('.', $key);
$value = isset($data[$name1][$name2]) ? $data[$name1][$name2] : null;
} else {
$value = isset($data[$key]) ? $data[$key] : null;
}
return $value;
}
protected function getRuleMsg($attribute, $title, $type, $rule)
{
if (isset($this->message[$attribute . '.' . $type])) {
$msg = $this->message[$attribute . '.' . $type];
} elseif (isset($this->message[$attribute][$type])) {
$msg = $this->message[$attribute][$type];
} elseif (isset($this->message[$attribute])) {
$msg = $this->message[$attribute];
} elseif (isset(self::$typeMsg[$type])) {
$msg = self::$typeMsg[$type];
} elseif (0 === strpos($type, 'require')) {
$msg = self::$typeMsg['require'];
} else {
$msg = $title . Lang::get('not conform to the rules');
}
if (is_string($msg) && 0 === strpos($msg, '{%')) {
$msg = Lang::get(substr($msg, 2, -1));
} elseif (Lang::has($msg)) {
$msg = Lang::get($msg);
}
if (is_string($msg) && is_scalar($rule) && false !== strpos($msg, ':')) {
if (is_string($rule) && strpos($rule, ',')) {
$array = array_pad(explode(',', $rule), 3, '');
} else {
$array = array_pad([], 3, '');
}
$msg = str_replace(
[':attribute', ':rule', ':1', ':2', ':3'],
[$title, (string) $rule, $array[0], $array[1], $array[2]],
$msg);
}
return $msg;
}
protected function getScene($scene = '')
{
if (empty($scene)) {
$scene = $this->currentScene;
}
if (!empty($scene) && isset($this->scene[$scene])) {
$scene = $this->scene[$scene];
if (is_string($scene)) {
$scene = explode(',', $scene);
}
} else {
$scene = [];
}
return $scene;
}
public static function __callStatic($method, $params)
{
$class = self::make();
if (method_exists($class, $method)) {
return call_user_func_array([$class, $method], $params);
} else {
throw new \BadMethodCallException('method not exists:' . __CLASS__ . '->' . $method);
}
}
}