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<?php
namespace Illuminate\Validation\Concerns;
use DateTime;
use Countable;
use Exception;
use Throwable;
use DateTimeZone;
use DateTimeInterface;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use InvalidArgumentException;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Date;
use Illuminate\Validation\Rules\Exists;
use Illuminate\Validation\Rules\Unique;
use Illuminate\Validation\ValidationData;
use Egulias\EmailValidator\EmailValidator;
use Symfony\Component\HttpFoundation\File\File;
use Egulias\EmailValidator\Validation\RFCValidation;
use Symfony\Component\HttpFoundation\File\UploadedFile;
trait ValidatesAttributes
{
/**
* Validate that an attribute was "accepted".
*
* This validation rule implies the attribute is "required".
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateAccepted($attribute, $value)
{
$acceptable = ['yes', 'on', '1', 1, true, 'true'];
return $this->validateRequired($attribute, $value) && in_array($value, $acceptable, true);
}
/**
* Validate that an attribute is an active URL.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateActiveUrl($attribute, $value)
{
if (! is_string($value)) {
return false;
}
if ($url = parse_url($value, PHP_URL_HOST)) {
try {
return count(dns_get_record($url, DNS_A | DNS_AAAA)) > 0;
} catch (Exception $e) {
return false;
}
}
return false;
}
/**
* "Break" on first validation fail.
*
* Always returns true, just lets us put "bail" in rules.
*
* @return bool
*/
public function validateBail()
{
return true;
}
/**
* Validate the date is before a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateBefore($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'before');
return $this->compareDates($attribute, $value, $parameters, '<');
}
/**
* Validate the date is before or equal a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateBeforeOrEqual($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'before_or_equal');
return $this->compareDates($attribute, $value, $parameters, '<=');
}
/**
* Validate the date is after a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateAfter($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'after');
return $this->compareDates($attribute, $value, $parameters, '>');
}
/**
* Validate the date is equal or after a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateAfterOrEqual($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'after_or_equal');
return $this->compareDates($attribute, $value, $parameters, '>=');
}
/**
* Compare a given date against another using an operator.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @param string $operator
* @return bool
*/
protected function compareDates($attribute, $value, $parameters, $operator)
{
if (! is_string($value) && ! is_numeric($value) && ! $value instanceof DateTimeInterface) {
return false;
}
if ($format = $this->getDateFormat($attribute)) {
return $this->checkDateTimeOrder($format, $value, $parameters[0], $operator);
}
if (! $date = $this->getDateTimestamp($parameters[0])) {
$date = $this->getDateTimestamp($this->getValue($parameters[0]));
}
return $this->compare($this->getDateTimestamp($value), $date, $operator);
}
/**
* Get the date format for an attribute if it has one.
*
* @param string $attribute
* @return string|null
*/
protected function getDateFormat($attribute)
{
if ($result = $this->getRule($attribute, 'DateFormat')) {
return $result[1][0];
}
}
/**
* Get the date timestamp.
*
* @param mixed $value
* @return int
*/
protected function getDateTimestamp($value)
{
if ($value instanceof DateTimeInterface) {
return $value->getTimestamp();
}
if ($this->isTestingRelativeDateTime($value)) {
$date = $this->getDateTime($value);
if (! is_null($date)) {
return $date->getTimestamp();
}
}
return strtotime($value);
}
/**
* Given two date/time strings, check that one is after the other.
*
* @param string $format
* @param string $first
* @param string $second
* @param string $operator
* @return bool
*/
protected function checkDateTimeOrder($format, $first, $second, $operator)
{
$firstDate = $this->getDateTimeWithOptionalFormat($format, $first);
if (! $secondDate = $this->getDateTimeWithOptionalFormat($format, $second)) {
$secondDate = $this->getDateTimeWithOptionalFormat($format, $this->getValue($second));
}
return ($firstDate && $secondDate) && ($this->compare($firstDate, $secondDate, $operator));
}
/**
* Get a DateTime instance from a string.
*
* @param string $format
* @param string $value
* @return \DateTime|null
*/
protected function getDateTimeWithOptionalFormat($format, $value)
{
if ($date = DateTime::createFromFormat('!'.$format, $value)) {
return $date;
}
return $this->getDateTime($value);
}
/**
* Get a DateTime instance from a string with no format.
*
* @param string $value
* @return \DateTime|null
*/
protected function getDateTime($value)
{
try {
if ($this->isTestingRelativeDateTime($value)) {
return Date::parse($value);
}
return new DateTime($value);
} catch (Exception $e) {
//
}
}
/**
* Check if the given value should be adjusted to Carbon::getTestNow().
*
* @param mixed $value
* @return bool
*/
protected function isTestingRelativeDateTime($value)
{
return Carbon::hasTestNow() && is_string($value) && (
$value === 'now' || Carbon::hasRelativeKeywords($value)
);
}
/**
* Validate that an attribute contains only alphabetic characters.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateAlpha($attribute, $value)
{
return is_string($value) && preg_match('/^[\pL\pM]+$/u', $value);
}
/**
* Validate that an attribute contains only alpha-numeric characters, dashes, and underscores.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateAlphaDash($attribute, $value)
{
if (! is_string($value) && ! is_numeric($value)) {
return false;
}
return preg_match('/^[\pL\pM\pN_-]+$/u', $value) > 0;
}
/**
* Validate that an attribute contains only alpha-numeric characters.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateAlphaNum($attribute, $value)
{
if (! is_string($value) && ! is_numeric($value)) {
return false;
}
return preg_match('/^[\pL\pM\pN]+$/u', $value) > 0;
}
/**
* Validate that an attribute is an array.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateArray($attribute, $value)
{
return is_array($value);
}
/**
* Validate the size of an attribute is between a set of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateBetween($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'between');
$size = $this->getSize($attribute, $value);
return $size >= $parameters[0] && $size <= $parameters[1];
}
/**
* Validate that an attribute is a boolean.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateBoolean($attribute, $value)
{
$acceptable = [true, false, 0, 1, '0', '1'];
return in_array($value, $acceptable, true);
}
/**
* Validate that an attribute has a matching confirmation.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateConfirmed($attribute, $value)
{
return $this->validateSame($attribute, $value, [$attribute.'_confirmation']);
}
/**
* Validate that an attribute is a valid date.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateDate($attribute, $value)
{
if ($value instanceof DateTimeInterface) {
return true;
}
if ((! is_string($value) && ! is_numeric($value)) || strtotime($value) === false) {
return false;
}
$date = date_parse($value);
return checkdate($date['month'], $date['day'], $date['year']);
}
/**
* Validate that an attribute matches a date format.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDateFormat($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'date_format');
if (! is_string($value) && ! is_numeric($value)) {
return false;
}
$format = $parameters[0];
$date = DateTime::createFromFormat('!'.$format, $value);
return $date && $date->format($format) == $value;
}
/**
* Validate that an attribute is equal to another date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDateEquals($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'date_equals');
return $this->compareDates($attribute, $value, $parameters, '=');
}
/**
* Validate that an attribute is different from another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDifferent($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'different');
foreach ($parameters as $parameter) {
$other = Arr::get($this->data, $parameter);
if (is_null($other) || $value === $other) {
return false;
}
}
return true;
}
/**
* Validate that an attribute has a given number of digits.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDigits($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'digits');
return ! preg_match('/[^0-9]/', $value)
&& strlen((string) $value) == $parameters[0];
}
/**
* Validate that an attribute is between a given number of digits.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDigitsBetween($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'digits_between');
$length = strlen((string) $value);
return ! preg_match('/[^0-9]/', $value)
&& $length >= $parameters[0] && $length <= $parameters[1];
}
/**
* Validate the dimensions of an image matches the given values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDimensions($attribute, $value, $parameters)
{
if ($this->isValidFileInstance($value) && $value->getClientMimeType() === 'image/svg+xml') {
return true;
}
if (! $this->isValidFileInstance($value) || ! $sizeDetails = @getimagesize($value->getRealPath())) {
return false;
}
$this->requireParameterCount(1, $parameters, 'dimensions');
[$width, $height] = $sizeDetails;
$parameters = $this->parseNamedParameters($parameters);
if ($this->failsBasicDimensionChecks($parameters, $width, $height) ||
$this->failsRatioCheck($parameters, $width, $height)) {
return false;
}
return true;
}
/**
* Test if the given width and height fail any conditions.
*
* @param array $parameters
* @param int $width
* @param int $height
* @return bool
*/
protected function failsBasicDimensionChecks($parameters, $width, $height)
{
return (isset($parameters['width']) && $parameters['width'] != $width) ||
(isset($parameters['min_width']) && $parameters['min_width'] > $width) ||
(isset($parameters['max_width']) && $parameters['max_width'] < $width) ||
(isset($parameters['height']) && $parameters['height'] != $height) ||
(isset($parameters['min_height']) && $parameters['min_height'] > $height) ||
(isset($parameters['max_height']) && $parameters['max_height'] < $height);
}
/**
* Determine if the given parameters fail a dimension ratio check.
*
* @param array $parameters
* @param int $width
* @param int $height
* @return bool
*/
protected function failsRatioCheck($parameters, $width, $height)
{
if (! isset($parameters['ratio'])) {
return false;
}
[$numerator, $denominator] = array_replace(
[1, 1], array_filter(sscanf($parameters['ratio'], '%f/%d'))
);
$precision = 1 / max($width, $height);
return abs($numerator / $denominator - $width / $height) > $precision;
}
/**
* Validate an attribute is unique among other values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateDistinct($attribute, $value, $parameters)
{
$attributeName = $this->getPrimaryAttribute($attribute);
$attributeData = ValidationData::extractDataFromPath(
ValidationData::getLeadingExplicitAttributePath($attributeName), $this->data
);
$pattern = str_replace('\*', '[^.]+', preg_quote($attributeName, '#'));
$data = Arr::where(Arr::dot($attributeData), function ($value, $key) use ($attribute, $pattern) {
return $key != $attribute && (bool) preg_match('#^'.$pattern.'\z#u', $key);
});
if (in_array('ignore_case', $parameters)) {
return empty(preg_grep('/^'.preg_quote($value, '/').'$/iu', $data));
}
return ! in_array($value, array_values($data));
}
/**
* Validate that an attribute is a valid e-mail address.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateEmail($attribute, $value)
{
return (new EmailValidator)->isValid($value, new RFCValidation);
}
/**
* Validate the existence of an attribute value in a database table.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateExists($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'exists');
[$connection, $table] = $this->parseTable($parameters[0]);
// The second parameter position holds the name of the column that should be
// verified as existing. If this parameter is not specified we will guess
// that the columns being "verified" shares the given attribute's name.
$column = $this->getQueryColumn($parameters, $attribute);
$expected = is_array($value) ? count(array_unique($value)) : 1;
return $this->getExistCount(
$connection, $table, $column, $value, $parameters
) >= $expected;
}
/**
* Get the number of records that exist in storage.
*
* @param mixed $connection
* @param string $table
* @param string $column
* @param mixed $value
* @param array $parameters
* @return int
*/
protected function getExistCount($connection, $table, $column, $value, $parameters)
{
$verifier = $this->getPresenceVerifierFor($connection);
$extra = $this->getExtraConditions(
array_values(array_slice($parameters, 2))
);
if ($this->currentRule instanceof Exists) {
$extra = array_merge($extra, $this->currentRule->queryCallbacks());
}
return is_array($value)
? $verifier->getMultiCount($table, $column, $value, $extra)
: $verifier->getCount($table, $column, $value, null, null, $extra);
}
/**
* Validate the uniqueness of an attribute value on a given database table.
*
* If a database column is not specified, the attribute will be used.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateUnique($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'unique');
[$connection, $table] = $this->parseTable($parameters[0]);
// The second parameter position holds the name of the column that needs to
// be verified as unique. If this parameter isn't specified we will just
// assume that this column to be verified shares the attribute's name.
$column = $this->getQueryColumn($parameters, $attribute);
[$idColumn, $id] = [null, null];
if (isset($parameters[2])) {
[$idColumn, $id] = $this->getUniqueIds($parameters);
}
// The presence verifier is responsible for counting rows within this store
// mechanism which might be a relational database or any other permanent
// data store like Redis, etc. We will use it to determine uniqueness.
$verifier = $this->getPresenceVerifierFor($connection);
$extra = $this->getUniqueExtra($parameters);
if ($this->currentRule instanceof Unique) {
$extra = array_merge($extra, $this->currentRule->queryCallbacks());
}
return $verifier->getCount(
$table, $column, $value, $id, $idColumn, $extra
) == 0;
}
/**
* Get the excluded ID column and value for the unique rule.
*
* @param array $parameters
* @return array
*/
protected function getUniqueIds($parameters)
{
$idColumn = $parameters[3] ?? 'id';
return [$idColumn, $this->prepareUniqueId($parameters[2])];
}
/**
* Prepare the given ID for querying.
*
* @param mixed $id
* @return int
*/
protected function prepareUniqueId($id)
{
if (preg_match('/\[(.*)\]/', $id, $matches)) {
$id = $this->getValue($matches[1]);
}
if (strtolower($id) === 'null') {
$id = null;
}
if (filter_var($id, FILTER_VALIDATE_INT) !== false) {
$id = (int) $id;
}
return $id;
}
/**
* Get the extra conditions for a unique rule.
*
* @param array $parameters
* @return array
*/
protected function getUniqueExtra($parameters)
{
if (isset($parameters[4])) {
return $this->getExtraConditions(array_slice($parameters, 4));
}
return [];
}
/**
* Parse the connection / table for the unique / exists rules.
*
* @param string $table
* @return array
*/
protected function parseTable($table)
{
return Str::contains($table, '.') ? explode('.', $table, 2) : [null, $table];
}
/**
* Get the column name for an exists / unique query.
*
* @param array $parameters
* @param string $attribute
* @return bool
*/
protected function getQueryColumn($parameters, $attribute)
{
return isset($parameters[1]) && $parameters[1] !== 'NULL'
? $parameters[1] : $this->guessColumnForQuery($attribute);
}
/**
* Guess the database column from the given attribute name.
*
* @param string $attribute
* @return string
*/
public function guessColumnForQuery($attribute)
{
if (in_array($attribute, Arr::collapse($this->implicitAttributes))
&& ! is_numeric($last = last(explode('.', $attribute)))) {
return $last;
}
return $attribute;
}
/**
* Get the extra conditions for a unique / exists rule.
*
* @param array $segments
* @return array
*/
protected function getExtraConditions(array $segments)
{
$extra = [];
$count = count($segments);
for ($i = 0; $i < $count; $i += 2) {
$extra[$segments[$i]] = $segments[$i + 1];
}
return $extra;
}
/**
* Validate the given value is a valid file.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateFile($attribute, $value)
{
return $this->isValidFileInstance($value);
}
/**
* Validate the given attribute is filled if it is present.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateFilled($attribute, $value)
{
if (Arr::has($this->data, $attribute)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute is greater than another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateGt($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'gt');
$comparedToValue = $this->getValue($parameters[0]);
$this->shouldBeNumeric($attribute, 'Gt');
if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
return $this->getSize($attribute, $value) > $parameters[0];
}
$this->requireSameType($value, $comparedToValue);
return $this->getSize($attribute, $value) > $this->getSize($attribute, $comparedToValue);
}
/**
* Validate that an attribute is less than another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateLt($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'lt');
$comparedToValue = $this->getValue($parameters[0]);
$this->shouldBeNumeric($attribute, 'Lt');
if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
return $this->getSize($attribute, $value) < $parameters[0];
}
$this->requireSameType($value, $comparedToValue);
return $this->getSize($attribute, $value) < $this->getSize($attribute, $comparedToValue);
}
/**
* Validate that an attribute is greater than or equal another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateGte($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'gte');
$comparedToValue = $this->getValue($parameters[0]);
$this->shouldBeNumeric($attribute, 'Gte');
if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
return $this->getSize($attribute, $value) >= $parameters[0];
}
$this->requireSameType($value, $comparedToValue);
return $this->getSize($attribute, $value) >= $this->getSize($attribute, $comparedToValue);
}
/**
* Validate that an attribute is less than or equal another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateLte($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'lte');
$comparedToValue = $this->getValue($parameters[0]);
$this->shouldBeNumeric($attribute, 'Lte');
if (is_null($comparedToValue) && (is_numeric($value) && is_numeric($parameters[0]))) {
return $this->getSize($attribute, $value) <= $parameters[0];
}
$this->requireSameType($value, $comparedToValue);
return $this->getSize($attribute, $value) <= $this->getSize($attribute, $comparedToValue);
}
/**
* Validate the MIME type of a file is an image MIME type.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateImage($attribute, $value)
{
return $this->validateMimes($attribute, $value, ['jpeg', 'png', 'gif', 'bmp', 'svg']);
}
/**
* Validate an attribute is contained within a list of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateIn($attribute, $value, $parameters)
{
if (is_array($value) && $this->hasRule($attribute, 'Array')) {
foreach ($value as $element) {
if (is_array($element)) {
return false;
}
}
return count(array_diff($value, $parameters)) === 0;
}
return ! is_array($value) && in_array((string) $value, $parameters);
}
/**
* Validate that the values of an attribute is in another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateInArray($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'in_array');
$explicitPath = ValidationData::getLeadingExplicitAttributePath($parameters[0]);
$attributeData = ValidationData::extractDataFromPath($explicitPath, $this->data);
$otherValues = Arr::where(Arr::dot($attributeData), function ($value, $key) use ($parameters) {
return Str::is($parameters[0], $key);
});
return in_array($value, $otherValues);
}
/**
* Validate that an attribute is an integer.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateInteger($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_INT) !== false;
}
/**
* Validate that an attribute is a valid IP.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateIp($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_IP) !== false;
}
/**
* Validate that an attribute is a valid IPv4.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateIpv4($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
}
/**
* Validate that an attribute is a valid IPv6.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateIpv6($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
}
/**
* Validate the attribute is a valid JSON string.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateJson($attribute, $value)
{
if (! is_scalar($value) && ! method_exists($value, '__toString')) {
return false;
}
json_decode($value);
return json_last_error() === JSON_ERROR_NONE;
}
/**
* Validate the size of an attribute is less than a maximum value.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateMax($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'max');
if ($value instanceof UploadedFile && ! $value->isValid()) {
return false;
}
return $this->getSize($attribute, $value) <= $parameters[0];
}
/**
* Validate the guessed extension of a file upload is in a set of file extensions.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateMimes($attribute, $value, $parameters)
{
if (! $this->isValidFileInstance($value)) {
return false;
}
if ($this->shouldBlockPhpUpload($value, $parameters)) {
return false;
}
return $value->getPath() !== '' && in_array($value->guessExtension(), $parameters);
}
/**
* Validate the MIME type of a file upload attribute is in a set of MIME types.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateMimetypes($attribute, $value, $parameters)
{
if (! $this->isValidFileInstance($value)) {
return false;
}
if ($this->shouldBlockPhpUpload($value, $parameters)) {
return false;
}
return $value->getPath() !== '' &&
(in_array($value->getMimeType(), $parameters) ||
in_array(explode('/', $value->getMimeType())[0].'/*', $parameters));
}
/**
* Check if PHP uploads are explicitly allowed.
*
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function shouldBlockPhpUpload($value, $parameters)
{
if (in_array('php', $parameters)) {
return false;
}
$phpExtensions = [
'php', 'php3', 'php4', 'php5', 'phtml',
];
return ($value instanceof UploadedFile)
? in_array(trim(strtolower($value->getClientOriginalExtension())), $phpExtensions)
: in_array(trim(strtolower($value->getExtension())), $phpExtensions);
}
/**
* Validate the size of an attribute is greater than a minimum value.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateMin($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'min');
return $this->getSize($attribute, $value) >= $parameters[0];
}
/**
* "Indicate" validation should pass if value is null.
*
* Always returns true, just lets us put "nullable" in rules.
*
* @return bool
*/
public function validateNullable()
{
return true;
}
/**
* Validate an attribute is not contained within a list of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateNotIn($attribute, $value, $parameters)
{
return ! $this->validateIn($attribute, $value, $parameters);
}
/**
* Validate that an attribute is numeric.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateNumeric($attribute, $value)
{
return is_numeric($value);
}
/**
* Validate that an attribute exists even if not filled.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validatePresent($attribute, $value)
{
return Arr::has($this->data, $attribute);
}
/**
* Validate that an attribute passes a regular expression check.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateRegex($attribute, $value, $parameters)
{
if (! is_string($value) && ! is_numeric($value)) {
return false;
}
$this->requireParameterCount(1, $parameters, 'regex');
return preg_match($parameters[0], $value) > 0;
}
/**
* Validate that an attribute does not pass a regular expression check.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateNotRegex($attribute, $value, $parameters)
{
if (! is_string($value) && ! is_numeric($value)) {
return false;
}
$this->requireParameterCount(1, $parameters, 'not_regex');
return preg_match($parameters[0], $value) < 1;
}
/**
* Validate that a required attribute exists.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateRequired($attribute, $value)
{
if (is_null($value)) {
return false;
} elseif (is_string($value) && trim($value) === '') {
return false;
} elseif ((is_array($value) || $value instanceof Countable) && count($value) < 1) {
return false;
} elseif ($value instanceof File) {
return (string) $value->getPath() !== '';
}
return true;
}
/**
* Validate that an attribute exists when another attribute has a given value.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredIf($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'required_if');
$other = Arr::get($this->data, $parameters[0]);
$values = array_slice($parameters, 1);
if (is_bool($other)) {
$values = $this->convertValuesToBoolean($values);
}
if (in_array($other, $values)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Convert the given values to boolean if they are string "true" / "false".
*
* @param array $values
* @return array
*/
protected function convertValuesToBoolean($values)
{
return array_map(function ($value) {
if ($value === 'true') {
return true;
} elseif ($value === 'false') {
return false;
}
return $value;
}, $values);
}
/**
* Validate that an attribute exists when another attribute does not have a given value.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredUnless($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'required_unless');
$data = Arr::get($this->data, $parameters[0]);
$values = array_slice($parameters, 1);
if (! in_array($data, $values)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute exists when any other attribute exists.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredWith($attribute, $value, $parameters)
{
if (! $this->allFailingRequired($parameters)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute exists when all other attributes exists.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredWithAll($attribute, $value, $parameters)
{
if (! $this->anyFailingRequired($parameters)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute exists when another attribute does not.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredWithout($attribute, $value, $parameters)
{
if ($this->anyFailingRequired($parameters)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute exists when all other attributes do not.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
public function validateRequiredWithoutAll($attribute, $value, $parameters)
{
if ($this->allFailingRequired($parameters)) {
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Determine if any of the given attributes fail the required test.
*
* @param array $attributes
* @return bool
*/
protected function anyFailingRequired(array $attributes)
{
foreach ($attributes as $key) {
if (! $this->validateRequired($key, $this->getValue($key))) {
return true;
}
}
return false;
}
/**
* Determine if all of the given attributes fail the required test.
*
* @param array $attributes
* @return bool
*/
protected function allFailingRequired(array $attributes)
{
foreach ($attributes as $key) {
if ($this->validateRequired($key, $this->getValue($key))) {
return false;
}
}
return true;
}
/**
* Validate that two attributes match.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateSame($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'same');
$other = Arr::get($this->data, $parameters[0]);
return $value === $other;
}
/**
* Validate the size of an attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
public function validateSize($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'size');
return $this->getSize($attribute, $value) == $parameters[0];
}
/**
* "Validate" optional attributes.
*
* Always returns true, just lets us put sometimes in rules.
*
* @return bool
*/
public function validateSometimes()
{
return true;
}
/**
* Validate that an attribute is a string.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateString($attribute, $value)
{
return is_string($value);
}
/**
* Validate that an attribute is a valid timezone.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateTimezone($attribute, $value)
{
try {
new DateTimeZone($value);
} catch (Exception $e) {
return false;
} catch (Throwable $e) {
return false;
}
return true;
}
/**
* Validate that an attribute is a valid URL.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateUrl($attribute, $value)
{
if (! is_string($value)) {
return false;
}
/*
* This pattern is derived from Symfony\Component\Validator\Constraints\UrlValidator (2.7.4).
*
* (c) Fabien Potencier <fabien@symfony.com> http://symfony.com
*/
$pattern = '~^
((aaa|aaas|about|acap|acct|acr|adiumxtra|afp|afs|aim|apt|attachment|aw|barion|beshare|bitcoin|blob|bolo|callto|cap|chrome|chrome-extension|cid|coap|coaps|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-playcontainer|dlna-playsingle|dns|dntp|dtn|dvb|ed2k|example|facetime|fax|feed|feedready|file|filesystem|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|ham|hcp|http|https|iax|icap|icon|im|imap|info|iotdisco|ipn|ipp|ipps|irc|irc6|ircs|iris|iris.beep|iris.lwz|iris.xpc|iris.xpcs|itms|jabber|jar|jms|keyparc|lastfm|ldap|ldaps|magnet|mailserver|mailto|maps|market|message|mid|mms|modem|ms-help|ms-settings|ms-settings-airplanemode|ms-settings-bluetooth|ms-settings-camera|ms-settings-cellular|ms-settings-cloudstorage|ms-settings-emailandaccounts|ms-settings-language|ms-settings-location|ms-settings-lock|ms-settings-nfctransactions|ms-settings-notifications|ms-settings-power|ms-settings-privacy|ms-settings-proximity|ms-settings-screenrotation|ms-settings-wifi|ms-settings-workplace|msnim|msrp|msrps|mtqp|mumble|mupdate|mvn|news|nfs|ni|nih|nntp|notes|oid|opaquelocktoken|pack|palm|paparazzi|pkcs11|platform|pop|pres|prospero|proxy|psyc|query|redis|rediss|reload|res|resource|rmi|rsync|rtmfp|rtmp|rtsp|rtsps|rtspu|secondlife|s3|service|session|sftp|sgn|shttp|sieve|sip|sips|skype|smb|sms|smtp|snews|snmp|soap.beep|soap.beeps|soldat|spotify|ssh|steam|stun|stuns|submit|svn|tag|teamspeak|tel|teliaeid|telnet|tftp|things|thismessage|tip|tn3270|turn|turns|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|videotex|view-source|wais|webcal|ws|wss|wtai|wyciwyg|xcon|xcon-userid|xfire|xmlrpc\.beep|xmlrpc.beeps|xmpp|xri|ymsgr|z39\.50|z39\.50r|z39\.50s)):// # protocol
(([\pL\pN-]+:)?([\pL\pN-]+)@)? # basic auth
(
([\pL\pN\pS\-\.])+(\.?([\pL]|xn\-\-[\pL\pN-]+)+\.?) # a domain name
| # or
\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} # an IP address
| # or
\[
(?:(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){6})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:::(?:(?:(?:[0-9a-f]{1,4})):){5})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){4})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,1}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){3})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,2}(?:(?:[0-9a-f]{1,4})))?::(?:(?:(?:[0-9a-f]{1,4})):){2})(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,3}(?:(?:[0-9a-f]{1,4})))?::(?:(?:[0-9a-f]{1,4})):)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,4}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:(?:(?:(?:[0-9a-f]{1,4})):(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9]))\.){3}(?:(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])))))))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,5}(?:(?:[0-9a-f]{1,4})))?::)(?:(?:[0-9a-f]{1,4})))|(?:(?:(?:(?:(?:(?:[0-9a-f]{1,4})):){0,6}(?:(?:[0-9a-f]{1,4})))?::))))
\] # an IPv6 address
)
(:[0-9]+)? # a port (optional)
(/?|/\S+|\?\S*|\#\S*) # a /, nothing, a / with something, a query or a fragment
$~ixu';
return preg_match($pattern, $value) > 0;
}
/**
* Validate that an attribute is a valid UUID.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function validateUuid($attribute, $value)
{
if (! is_string($value)) {
return false;
}
return preg_match('/^[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}$/iD', $value) > 0;
}
/**
* Get the size of an attribute.
*
* @param string $attribute
* @param mixed $value
* @return mixed
*/
protected function getSize($attribute, $value)
{
$hasNumeric = $this->hasRule($attribute, $this->numericRules);
// This method will determine if the attribute is a number, string, or file and
// return the proper size accordingly. If it is a number, then number itself
// is the size. If it is a file, we take kilobytes, and for a string the
// entire length of the string will be considered the attribute size.
if (is_numeric($value) && $hasNumeric) {
return $value;
} elseif (is_array($value)) {
return count($value);
} elseif ($value instanceof File) {
return $value->getSize() / 1024;
}
return mb_strlen($value);
}
/**
* Check that the given value is a valid file instance.
*
* @param mixed $value
* @return bool
*/
public function isValidFileInstance($value)
{
if ($value instanceof UploadedFile && ! $value->isValid()) {
return false;
}
return $value instanceof File;
}
/**
* Determine if a comparison passes between the given values.
*
* @param mixed $first
* @param mixed $second
* @param string $operator
* @return bool
*
* @throws \InvalidArgumentException
*/
protected function compare($first, $second, $operator)
{
switch ($operator) {
case '<':
return $first < $second;
case '>':
return $first > $second;
case '<=':
return $first <= $second;
case '>=':
return $first >= $second;
case '=':
return $first == $second;
default:
throw new InvalidArgumentException;
}
}
/**
* Parse named parameters to $key => $value items.
*
* @param array $parameters
* @return array
*/
protected function parseNamedParameters($parameters)
{
return array_reduce($parameters, function ($result, $item) {
[$key, $value] = array_pad(explode('=', $item, 2), 2, null);
$result[$key] = $value;
return $result;
});
}
/**
* Require a certain number of parameters to be present.
*
* @param int $count
* @param array $parameters
* @param string $rule
* @return void
*
* @throws \InvalidArgumentException
*/
protected function requireParameterCount($count, $parameters, $rule)
{
if (count($parameters) < $count) {
throw new InvalidArgumentException("Validation rule $rule requires at least $count parameters.");
}
}
/**
* Require comparison values to be of the same type.
*
* @param mixed $first
* @param mixed $second
* @return void
*
* @throws \InvalidArgumentException
*/
protected function requireSameType($first, $second)
{
if (gettype($first) != gettype($second)) {
throw new InvalidArgumentException('The values under comparison must be of the same type');
}
}
/**
* Adds the existing rule to the numericRules array if the attribute's value is numeric.
*
* @param string $attribute
* @param string $rule
*
* @return void
*/
protected function shouldBeNumeric($attribute, $rule)
{
if (is_numeric($this->getValue($attribute))) {
$this->numericRules[] = $rule;
}
}
}