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<?php namespace Illuminate\Validation;
use Closure;
use DateTime;
use DateTimeZone;
use Illuminate\Support\Fluent;
use Illuminate\Support\MessageBag;
use Illuminate\Container\Container;
use Symfony\Component\HttpFoundation\File\File;
use Symfony\Component\Translation\TranslatorInterface;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Illuminate\Support\Contracts\MessageProviderInterface;
class Validator implements MessageProviderInterface {
/**
* The Translator implementation.
*
* @var \Symfony\Component\Translation\TranslatorInterface
*/
protected $translator;
/**
* The Presence Verifier implementation.
*
* @var \Illuminate\Validation\PresenceVerifierInterface
*/
protected $presenceVerifier;
/**
* The failed validation rules.
*
* @var array
*/
protected $failedRules = array();
/**
* The message bag instance.
*
* @var \Illuminate\Support\MessageBag
*/
protected $messages;
/**
* The data under validation.
*
* @var array
*/
protected $data;
/**
* The files under validation.
*
* @var array
*/
protected $files = array();
/**
* The rules to be applied to the data.
*
* @var array
*/
protected $rules;
/**
* The array of custom error messages.
*
* @var array
*/
protected $customMessages = array();
/**
* The array of fallback error messages.
*
* @var array
*/
protected $fallbackMessages = array();
/**
* The array of custom attribute names.
*
* @var array
*/
protected $customAttributes = array();
/**
* The array of custom displayabled values.
*
* @var array
*/
protected $customValues = array();
/**
* All of the custom validator extensions.
*
* @var array
*/
protected $extensions = array();
/**
* All of the custom replacer extensions.
*
* @var array
*/
protected $replacers = array();
/**
* The size related validation rules.
*
* @var array
*/
protected $sizeRules = array('Size', 'Between', 'Min', 'Max');
/**
* The numeric related validation rules.
*
* @var array
*/
protected $numericRules = array('Numeric', 'Integer');
/**
* The validation rules that imply the field is required.
*
* @var array
*/
protected $implicitRules = array(
'Required', 'RequiredWith', 'RequiredWithAll', 'RequiredWithout', 'RequiredWithoutAll', 'RequiredIf', 'Accepted'
);
/**
* Create a new Validator instance.
*
* @param \Symfony\Component\Translation\TranslatorInterface $translator
* @param array $data
* @param array $rules
* @param array $messages
* @param array $customAttributes
* @return void
*/
public function __construct(TranslatorInterface $translator, array $data, array $rules, array $messages = array(), array $customAttributes = array())
{
$this->translator = $translator;
$this->customMessages = $messages;
$this->data = $this->parseData($data);
$this->rules = $this->explodeRules($rules);
$this->customAttributes = $customAttributes;
}
/**
* Parse the data and hydrate the files array.
*
* @param array $data
* @return array
*/
protected function parseData(array $data)
{
$this->files = array();
foreach ($data as $key => $value)
{
// If this value is an instance of the HttpFoundation File class we will
// remove it from the data array and add it to the files array, which
// we use to conveniently separate out these files from other data.
if ($value instanceof File)
{
$this->files[$key] = $value;
unset($data[$key]);
}
}
return $data;
}
/**
* Explode the rules into an array of rules.
*
* @param string|array $rules
* @return array
*/
protected function explodeRules($rules)
{
foreach ($rules as $key => &$rule)
{
$rule = (is_string($rule)) ? explode('|', $rule) : $rule;
}
return $rules;
}
/**
* Add conditions to a given field based on a Closure.
*
* @param string $attribute
* @param string|array $rules
* @param callable $callback
* @return void
*/
public function sometimes($attribute, $rules, callable $callback)
{
$payload = new Fluent(array_merge($this->data, $this->files));
if (call_user_func($callback, $payload))
{
foreach ((array) $attribute as $key)
{
$this->mergeRules($key, $rules);
}
}
}
/**
* Define a set of rules that apply to each element in an array attribute.
*
* @param string $attribute
* @param string|array $rules
* @return void
*
* @throws \InvalidArgumentException
*/
public function each($attribute, $rules)
{
$data = array_get($this->data, $attribute);
if ( ! is_array($data))
{
if ($this->hasRule($attribute, 'Array')) return;
throw new \InvalidArgumentException('Attribute for each() must be an array.');
}
foreach ($data as $dataKey => $dataValue)
{
foreach ($rules as $ruleValue)
{
$this->mergeRules("$attribute.$dataKey", $ruleValue);
}
}
}
/**
* Merge additional rules into a given attribute.
*
* @param string $attribute
* @param string|array $rules
* @return void
*/
public function mergeRules($attribute, $rules)
{
$current = isset($this->rules[$attribute]) ? $this->rules[$attribute] : [];
$merge = head($this->explodeRules(array($rules)));
$this->rules[$attribute] = array_merge($current, $merge);
}
/**
* Determine if the data passes the validation rules.
*
* @return bool
*/
public function passes()
{
$this->messages = new MessageBag;
// We'll spin through each rule, validating the attributes attached to that
// rule. Any error messages will be added to the containers with each of
// the other error messages, returning true if we don't have messages.
foreach ($this->rules as $attribute => $rules)
{
foreach ($rules as $rule)
{
$this->validate($attribute, $rule);
}
}
return count($this->messages->all()) === 0;
}
/**
* Determine if the data fails the validation rules.
*
* @return bool
*/
public function fails()
{
return ! $this->passes();
}
/**
* Validate a given attribute against a rule.
*
* @param string $attribute
* @param string $rule
* @return void
*/
protected function validate($attribute, $rule)
{
list($rule, $parameters) = $this->parseRule($rule);
if ($rule == '') return;
// We will get the value for the given attribute from the array of data and then
// verify that the attribute is indeed validatable. Unless the rule implies
// that the attribute is required, rules are not run for missing values.
$value = $this->getValue($attribute);
$validatable = $this->isValidatable($rule, $attribute, $value);
$method = "validate{$rule}";
if ($validatable && ! $this->$method($attribute, $value, $parameters, $this))
{
$this->addFailure($attribute, $rule, $parameters);
}
}
/**
* Returns the data which was valid.
*
* @return array
*/
public function valid()
{
if ( ! $this->messages) $this->passes();
return array_diff_key($this->data, $this->messages()->toArray());
}
/**
* Returns the data which was invalid.
*
* @return array
*/
public function invalid()
{
if ( ! $this->messages) $this->passes();
return array_intersect_key($this->data, $this->messages()->toArray());
}
/**
* Get the value of a given attribute.
*
* @param string $attribute
* @return mixed
*/
protected function getValue($attribute)
{
if ( ! is_null($value = array_get($this->data, $attribute)))
{
return $value;
}
elseif ( ! is_null($value = array_get($this->files, $attribute)))
{
return $value;
}
}
/**
* Determine if the attribute is validatable.
*
* @param string $rule
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function isValidatable($rule, $attribute, $value)
{
return $this->presentOrRuleIsImplicit($rule, $attribute, $value) &&
$this->passesOptionalCheck($attribute);
}
/**
* Determine if the field is present, or the rule implies required.
*
* @param string $rule
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function presentOrRuleIsImplicit($rule, $attribute, $value)
{
return $this->validateRequired($attribute, $value) || $this->isImplicit($rule);
}
/**
* Determine if the attribute passes any optional check.
*
* @param string $attribute
* @return bool
*/
protected function passesOptionalCheck($attribute)
{
if ($this->hasRule($attribute, array('Sometimes')))
{
return array_key_exists($attribute, array_dot($this->data))
|| array_key_exists($attribute, $this->files);
}
return true;
}
/**
* Determine if a given rule implies the attribute is required.
*
* @param string $rule
* @return bool
*/
protected function isImplicit($rule)
{
return in_array($rule, $this->implicitRules);
}
/**
* Add a failed rule and error message to the collection.
*
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return void
*/
protected function addFailure($attribute, $rule, $parameters)
{
$this->addError($attribute, $rule, $parameters);
$this->failedRules[$attribute][$rule] = $parameters;
}
/**
* Add an error message to the validator's collection of messages.
*
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return void
*/
protected function addError($attribute, $rule, $parameters)
{
$message = $this->getMessage($attribute, $rule);
$message = $this->doReplacements($message, $attribute, $rule, $parameters);
$this->messages->add($attribute, $message);
}
/**
* "Validate" optional attributes.
*
* Always returns true, just lets us put sometimes in rules.
*
* @return bool
*/
protected function validateSometimes()
{
return true;
}
/**
* Validate that a required attribute exists.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateRequired($attribute, $value)
{
if (is_null($value))
{
return false;
}
elseif (is_string($value) && trim($value) === '')
{
return false;
}
elseif (is_array($value) && count($value) < 1)
{
return false;
}
elseif ($value instanceof File)
{
return (string) $value->getPath() != '';
}
return true;
}
/**
* Validate the given attribute is filled if it is present.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateFilled($attribute, $value)
{
if (array_key_exists($attribute, $this->data) || array_key_exists($attribute, $this->files))
{
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 an attribute exists when any other attribute exists.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
protected function validateRequiredWith($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 $parameters
* @return bool
*/
protected function validateRequiredWithAll($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 $parameters
* @return bool
*/
protected function validateRequiredWithout($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 $parameters
* @return bool
*/
protected function validateRequiredWithoutAll($attribute, $value, $parameters)
{
if ($this->allFailingRequired($parameters))
{
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Validate that an attribute exists when another attribute has a given value.
*
* @param string $attribute
* @param mixed $value
* @param mixed $parameters
* @return bool
*/
protected function validateRequiredIf($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'required_if');
$data = array_get($this->data, $parameters[0]);
$values = array_slice($parameters, 1);
if (in_array($data, $values))
{
return $this->validateRequired($attribute, $value);
}
return true;
}
/**
* Get the number of attributes in a list that are present.
*
* @param array $attributes
* @return int
*/
protected function getPresentCount($attributes)
{
$count = 0;
foreach ($attributes as $key)
{
if (array_get($this->data, $key) || array_get($this->files, $key))
{
$count++;
}
}
return $count;
}
/**
* Validate that an attribute has a matching confirmation.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateConfirmed($attribute, $value)
{
return $this->validateSame($attribute, $value, array($attribute.'_confirmation'));
}
/**
* Validate that two attributes match.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateSame($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'same');
$other = array_get($this->data, $parameters[0]);
return (isset($other) && $value == $other);
}
/**
* Validate that an attribute is different from another attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateDifferent($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'different');
$other = $parameters[0];
return isset($this->data[$other]) && $value != $this->data[$other];
}
/**
* Validate that an attribute was "accepted".
*
* This validation rule implies the attribute is "required".
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateAccepted($attribute, $value)
{
$acceptable = array('yes', 'on', '1', 1, true, 'true');
return ($this->validateRequired($attribute, $value) && in_array($value, $acceptable, true));
}
/**
* Validate that an attribute is a boolean.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateBoolean($attribute, $value)
{
$acceptable = array(true, false, 0, 1, '0', '1');
return in_array($value, $acceptable, true);
}
/**
* Validate that an attribute is an array.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateArray($attribute, $value)
{
return is_array($value);
}
/**
* Validate that an attribute is numeric.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateNumeric($attribute, $value)
{
return is_numeric($value);
}
/**
* Validate that an attribute is an integer.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateInteger($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_INT) !== false;
}
/**
* Validate that an attribute has a given number of digits.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateDigits($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'digits');
return $this->validateNumeric($attribute, $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 $parameters
* @return bool
*/
protected function validateDigitsBetween($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'digits_between');
$length = strlen((string) $value);
return $length >= $parameters[0] && $length <= $parameters[1];
}
/**
* Validate the size of an attribute.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateSize($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'size');
return $this->getSize($attribute, $value) == $parameters[0];
}
/**
* Validate the size of an attribute is between a set of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateBetween($attribute, $value, $parameters)
{
$this->requireParameterCount(2, $parameters, 'between');
$size = $this->getSize($attribute, $value);
return $size >= $parameters[0] && $size <= $parameters[1];
}
/**
* Validate the size of an attribute is greater than a minimum value.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateMin($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'min');
return $this->getSize($attribute, $value) >= $parameters[0];
}
/**
* Validate the size of an attribute is less than a maximum value.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateMax($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'max');
if ($value instanceof UploadedFile && ! $value->isValid()) return false;
return $this->getSize($attribute, $value) <= $parameters[0];
}
/**
* 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) && $hasNumeric)
{
return array_get($this->data, $attribute);
}
elseif (is_array($value))
{
return count($value);
}
elseif ($value instanceof File)
{
return $value->getSize() / 1024;
}
return $this->getStringSize($value);
}
/**
* Get the size of a string.
*
* @param string $value
* @return int
*/
protected function getStringSize($value)
{
if (function_exists('mb_strlen')) return mb_strlen($value);
return strlen($value);
}
/**
* Validate an attribute is contained within a list of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateIn($attribute, $value, $parameters)
{
return in_array((string) $value, $parameters);
}
/**
* Validate an attribute is not contained within a list of values.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateNotIn($attribute, $value, $parameters)
{
return ! $this->validateIn($attribute, $value, $parameters);
}
/**
* 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 $parameters
* @return bool
*/
protected function validateUnique($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'unique');
$table = $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.
$column = isset($parameters[1]) ? $parameters[1] : $attribute;
list($idColumn, $id) = array(null, null);
if (isset($parameters[2]))
{
list($idColumn, $id) = $this->getUniqueIds($parameters);
if (strtolower($id) == 'null') $id = null;
}
// 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->getPresenceVerifier();
$extra = $this->getUniqueExtra($parameters);
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)
{
$idColumn = isset($parameters[3]) ? $parameters[3] : 'id';
return array($idColumn, $parameters[2]);
}
/**
* 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 array();
}
/**
* Validate the existence of an attribute value in a database table.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateExists($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'exists');
$table = $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.
$column = isset($parameters[1]) ? $parameters[1] : $attribute;
$expected = (is_array($value)) ? count($value) : 1;
return $this->getExistCount($table, $column, $value, $parameters) >= $expected;
}
/**
* Get the number of records that exist in storage.
*
* @param string $table
* @param string $column
* @param mixed $value
* @param array $parameters
* @return int
*/
protected function getExistCount($table, $column, $value, $parameters)
{
$verifier = $this->getPresenceVerifier();
$extra = $this->getExtraExistConditions($parameters);
if (is_array($value))
{
return $verifier->getMultiCount($table, $column, $value, $extra);
}
return $verifier->getCount($table, $column, $value, null, null, $extra);
}
/**
* Get the extra exist conditions.
*
* @param array $parameters
* @return array
*/
protected function getExtraExistConditions(array $parameters)
{
return $this->getExtraConditions(array_values(array_slice($parameters, 2)));
}
/**
* Get the extra conditions for a unique / exists rule.
*
* @param array $segments
* @return array
*/
protected function getExtraConditions(array $segments)
{
$extra = array();
$count = count($segments);
for ($i = 0; $i < $count; $i = $i + 2)
{
$extra[$segments[$i]] = $segments[$i + 1];
}
return $extra;
}
/**
* Validate that an attribute is a valid IP.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateIp($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_IP) !== false;
}
/**
* Validate that an attribute is a valid e-mail address.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateEmail($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_EMAIL) !== false;
}
/**
* Validate that an attribute is a valid URL.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateUrl($attribute, $value)
{
return filter_var($value, FILTER_VALIDATE_URL) !== false;
}
/**
* Validate that an attribute is an active URL.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateActiveUrl($attribute, $value)
{
$url = str_replace(array('http://', 'https://', 'ftp://'), '', strtolower($value));
return checkdnsrr($url);
}
/**
* Validate the MIME type of a file is an image MIME type.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateImage($attribute, $value)
{
return $this->validateMimes($attribute, $value, array('jpeg', 'png', 'gif', 'bmp'));
}
/**
* Validate the MIME type of a file upload attribute is in a set of MIME types.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateMimes($attribute, $value, $parameters)
{
if ( ! $this->isAValidFileInstance($value))
{
return false;
}
return $value->getPath() != '' && in_array($value->guessExtension(), $parameters);
}
/**
* Check that the given value is a valid file instance.
*
* @param mixed $value
* @return bool
*/
protected function isAValidFileInstance($value)
{
if ($value instanceof UploadedFile && ! $value->isValid()) return false;
return $value instanceof File;
}
/**
* Validate that an attribute contains only alphabetic characters.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateAlpha($attribute, $value)
{
return preg_match('/^[\pL\pM]+$/u', $value);
}
/**
* Validate that an attribute contains only alpha-numeric characters.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateAlphaNum($attribute, $value)
{
return preg_match('/^[\pL\pM\pN]+$/u', $value);
}
/**
* Validate that an attribute contains only alpha-numeric characters, dashes, and underscores.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateAlphaDash($attribute, $value)
{
return preg_match('/^[\pL\pM\pN_-]+$/u', $value);
}
/**
* Validate that an attribute passes a regular expression check.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateRegex($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'regex');
return preg_match($parameters[0], $value);
}
/**
* Validate that an attribute is a valid date.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateDate($attribute, $value)
{
if ($value instanceof DateTime) return true;
if (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 $parameters
* @return bool
*/
protected function validateDateFormat($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'date_format');
$parsed = date_parse_from_format($parameters[0], $value);
return $parsed['error_count'] === 0 && $parsed['warning_count'] === 0;
}
/**
* Validate the date is before a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateBefore($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'before');
if ($format = $this->getDateFormat($attribute))
{
return $this->validateBeforeWithFormat($format, $value, $parameters);
}
if ( ! ($date = strtotime($parameters[0])))
{
return strtotime($value) < strtotime($this->getValue($parameters[0]));
}
return strtotime($value) < $date;
}
/**
* Validate the date is before a given date with a given format.
*
* @param string $format
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateBeforeWithFormat($format, $value, $parameters)
{
$param = $this->getValue($parameters[0]) ?: $parameters[0];
return $this->checkDateTimeOrder($format, $value, $param);
}
/**
* Validate the date is after a given date.
*
* @param string $attribute
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateAfter($attribute, $value, $parameters)
{
$this->requireParameterCount(1, $parameters, 'after');
if ($format = $this->getDateFormat($attribute))
{
return $this->validateAfterWithFormat($format, $value, $parameters);
}
if ( ! ($date = strtotime($parameters[0])))
{
return strtotime($value) > strtotime($this->getValue($parameters[0]));
}
return strtotime($value) > $date;
}
/**
* Validate the date is after a given date with a given format.
*
* @param string $format
* @param mixed $value
* @param array $parameters
* @return bool
*/
protected function validateAfterWithFormat($format, $value, $parameters)
{
$param = $this->getValue($parameters[0]) ?: $parameters[0];
return $this->checkDateTimeOrder($format, $param, $value);
}
/**
* Given two date/time strings, check that one is after the other.
*
* @param string $format
* @param string $before
* @param string $after
* @return bool
*/
protected function checkDateTimeOrder($format, $before, $after)
{
$before = $this->getDateTimeWithOptionalFormat($format, $before);
$after = $this->getDateTimeWithOptionalFormat($format, $after);
return ($before && $after) && ($after > $before);
}
/**
* Get a DateTime instance from a string.
*
* @param string $format
* @param string $value
* @return \DateTime|null
*/
protected function getDateTimeWithOptionalFormat($format, $value)
{
$date = DateTime::createFromFormat($format, $value);
if ($date) return $date;
try
{
return new DateTime($value);
}
catch (\Exception $e)
{
return null;
}
}
/**
* Validate that an attribute is a valid timezone.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
protected function validateTimezone($attribute, $value)
{
try
{
new DateTimeZone($value);
}
catch (\Exception $e)
{
return false;
}
return true;
}
/**
* 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 validation message for an attribute and rule.
*
* @param string $attribute
* @param string $rule
* @return string
*/
protected function getMessage($attribute, $rule)
{
$lowerRule = snake_case($rule);
$inlineMessage = $this->getInlineMessage($attribute, $lowerRule);
// First we will retrieve the custom message for the validation rule if one
// exists. If a custom validation message is being used we'll return the
// custom message, otherwise we'll keep searching for a valid message.
if ( ! is_null($inlineMessage))
{
return $inlineMessage;
}
$customKey = "validation.custom.{$attribute}.{$lowerRule}";
$customMessage = $this->translator->trans($customKey);
// First we check for a custom defined validation message for the attribute
// and rule. This allows the developer to specify specific messages for
// only some attributes and rules that need to get specially formed.
if ($customMessage !== $customKey)
{
return $customMessage;
}
// If the rule being validated is a "size" rule, we will need to gather the
// specific error message for the type of attribute being validated such
// as a number, file or string which all have different message types.
elseif (in_array($rule, $this->sizeRules))
{
return $this->getSizeMessage($attribute, $rule);
}
// Finally, if no developer specified messages have been set, and no other
// special messages apply for this rule, we will just pull the default
// messages out of the translator service for this validation rule.
$key = "validation.{$lowerRule}";
if ($key != ($value = $this->translator->trans($key)))
{
return $value;
}
return $this->getInlineMessage(
$attribute, $lowerRule, $this->fallbackMessages
) ?: $key;
}
/**
* Get the inline message for a rule if it exists.
*
* @param string $attribute
* @param string $lowerRule
* @param array $source
* @return string
*/
protected function getInlineMessage($attribute, $lowerRule, $source = null)
{
$source = $source ?: $this->customMessages;
$keys = array("{$attribute}.{$lowerRule}", $lowerRule);
// First we will check for a custom message for an attribute specific rule
// message for the fields, then we will check for a general custom line
// that is not attribute specific. If we find either we'll return it.
foreach ($keys as $key)
{
if (isset($source[$key])) return $source[$key];
}
}
/**
* Get the proper error message for an attribute and size rule.
*
* @param string $attribute
* @param string $rule
* @return string
*/
protected function getSizeMessage($attribute, $rule)
{
$lowerRule = snake_case($rule);
// There are three different types of size validations. The attribute may be
// either a number, file, or string so we will check a few things to know
// which type of value it is and return the correct line for that type.
$type = $this->getAttributeType($attribute);
$key = "validation.{$lowerRule}.{$type}";
return $this->translator->trans($key);
}
/**
* Get the data type of the given attribute.
*
* @param string $attribute
* @return string
*/
protected function getAttributeType($attribute)
{
// We assume that the attributes present in the file array are files so that
// means that if the attribute does not have a numeric rule and the files
// list doesn't have it we'll just consider it a string by elimination.
if ($this->hasRule($attribute, $this->numericRules))
{
return 'numeric';
}
elseif ($this->hasRule($attribute, array('Array')))
{
return 'array';
}
elseif (array_key_exists($attribute, $this->files))
{
return 'file';
}
return 'string';
}
/**
* Replace all error message place-holders with actual values.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function doReplacements($message, $attribute, $rule, $parameters)
{
$message = str_replace(':attribute', $this->getAttribute($attribute), $message);
if (isset($this->replacers[snake_case($rule)]))
{
$message = $this->callReplacer($message, $attribute, snake_case($rule), $parameters);
}
elseif (method_exists($this, $replacer = "replace{$rule}"))
{
$message = $this->$replacer($message, $attribute, $rule, $parameters);
}
return $message;
}
/**
* Transform an array of attributes to their displayable form.
*
* @param array $values
* @return array
*/
protected function getAttributeList(array $values)
{
$attributes = array();
// For each attribute in the list we will simply get its displayable form as
// this is convenient when replacing lists of parameters like some of the
// replacement functions do when formatting out the validation message.
foreach ($values as $key => $value)
{
$attributes[$key] = $this->getAttribute($value);
}
return $attributes;
}
/**
* Get the displayable name of the attribute.
*
* @param string $attribute
* @return string
*/
protected function getAttribute($attribute)
{
// The developer may dynamically specify the array of custom attributes
// on this Validator instance. If the attribute exists in this array
// it takes precedence over all other ways we can pull attributes.
if (isset($this->customAttributes[$attribute]))
{
return $this->customAttributes[$attribute];
}
$key = "validation.attributes.{$attribute}";
// We allow for the developer to specify language lines for each of the
// attributes allowing for more displayable counterparts of each of
// the attributes. This provides the ability for simple formats.
if (($line = $this->translator->trans($key)) !== $key)
{
return $line;
}
// If no language line has been specified for the attribute all of the
// underscores are removed from the attribute name and that will be
// used as default versions of the attribute's displayable names.
return str_replace('_', ' ', snake_case($attribute));
}
/**
* Get the displayable name of the value.
*
* @param string $attribute
* @param mixed $value
* @return string
*/
public function getDisplayableValue($attribute, $value)
{
if (isset($this->customValues[$attribute][$value]))
{
return $this->customValues[$attribute][$value];
}
$key = "validation.values.{$attribute}.{$value}";
if (($line = $this->translator->trans($key)) !== $key)
{
return $line;
}
return $value;
}
/**
* Replace all place-holders for the between rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceBetween($message, $attribute, $rule, $parameters)
{
return str_replace(array(':min', ':max'), $parameters, $message);
}
/**
* Replace all place-holders for the digits rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceDigits($message, $attribute, $rule, $parameters)
{
return str_replace(':digits', $parameters[0], $message);
}
/**
* Replace all place-holders for the digits (between) rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceDigitsBetween($message, $attribute, $rule, $parameters)
{
return $this->replaceBetween($message, $attribute, $rule, $parameters);
}
/**
* Replace all place-holders for the size rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceSize($message, $attribute, $rule, $parameters)
{
return str_replace(':size', $parameters[0], $message);
}
/**
* Replace all place-holders for the min rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceMin($message, $attribute, $rule, $parameters)
{
return str_replace(':min', $parameters[0], $message);
}
/**
* Replace all place-holders for the max rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceMax($message, $attribute, $rule, $parameters)
{
return str_replace(':max', $parameters[0], $message);
}
/**
* Replace all place-holders for the in rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceIn($message, $attribute, $rule, $parameters)
{
foreach ($parameters as &$parameter)
{
$parameter = $this->getDisplayableValue($attribute, $parameter);
}
return str_replace(':values', implode(', ', $parameters), $message);
}
/**
* Replace all place-holders for the not_in rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceNotIn($message, $attribute, $rule, $parameters)
{
return $this->replaceIn($message, $attribute, $rule, $parameters);
}
/**
* Replace all place-holders for the mimes rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceMimes($message, $attribute, $rule, $parameters)
{
return str_replace(':values', implode(', ', $parameters), $message);
}
/**
* Replace all place-holders for the required_with rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceRequiredWith($message, $attribute, $rule, $parameters)
{
$parameters = $this->getAttributeList($parameters);
return str_replace(':values', implode(' / ', $parameters), $message);
}
/**
* Replace all place-holders for the required_without rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceRequiredWithout($message, $attribute, $rule, $parameters)
{
return $this->replaceRequiredWith($message, $attribute, $rule, $parameters);
}
/**
* Replace all place-holders for the required_without_all rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceRequiredWithoutAll($message, $attribute, $rule, $parameters)
{
return $this->replaceRequiredWith($message, $attribute, $rule, $parameters);
}
/**
* Replace all place-holders for the required_if rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceRequiredIf($message, $attribute, $rule, $parameters)
{
$parameters[1] = $this->getDisplayableValue($parameters[0], array_get($this->data, $parameters[0]));
$parameters[0] = $this->getAttribute($parameters[0]);
return str_replace(array(':other', ':value'), $parameters, $message);
}
/**
* Replace all place-holders for the same rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceSame($message, $attribute, $rule, $parameters)
{
return str_replace(':other', $this->getAttribute($parameters[0]), $message);
}
/**
* Replace all place-holders for the different rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceDifferent($message, $attribute, $rule, $parameters)
{
return $this->replaceSame($message, $attribute, $rule, $parameters);
}
/**
* Replace all place-holders for the date_format rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceDateFormat($message, $attribute, $rule, $parameters)
{
return str_replace(':format', $parameters[0], $message);
}
/**
* Replace all place-holders for the before rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceBefore($message, $attribute, $rule, $parameters)
{
if ( ! (strtotime($parameters[0])))
{
return str_replace(':date', $this->getAttribute($parameters[0]), $message);
}
return str_replace(':date', $parameters[0], $message);
}
/**
* Replace all place-holders for the after rule.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function replaceAfter($message, $attribute, $rule, $parameters)
{
return $this->replaceBefore($message, $attribute, $rule, $parameters);
}
/**
* Determine if the given attribute has a rule in the given set.
*
* @param string $attribute
* @param string|array $rules
* @return bool
*/
protected function hasRule($attribute, $rules)
{
return ! is_null($this->getRule($attribute, $rules));
}
/**
* Get a rule and its parameters for a given attribute.
*
* @param string $attribute
* @param string|array $rules
* @return array|null
*/
protected function getRule($attribute, $rules)
{
if ( ! array_key_exists($attribute, $this->rules))
{
return;
}
$rules = (array) $rules;
foreach ($this->rules[$attribute] as $rule)
{
list($rule, $parameters) = $this->parseRule($rule);
if (in_array($rule, $rules)) return [$rule, $parameters];
}
}
/**
* Extract the rule name and parameters from a rule.
*
* @param array|string $rules
* @return array
*/
protected function parseRule($rules)
{
if (is_array($rules))
{
return $this->parseArrayRule($rules);
}
return $this->parseStringRule($rules);
}
/**
* Parse an array based rule.
*
* @param array $rules
* @return array
*/
protected function parseArrayRule(array $rules)
{
return array(studly_case(trim(array_get($rules, 0))), array_slice($rules, 1));
}
/**
* Parse a string based rule.
*
* @param string $rules
* @return array
*/
protected function parseStringRule($rules)
{
$parameters = [];
// The format for specifying validation rules and parameters follows an
// easy {rule}:{parameters} formatting convention. For instance the
// rule "Max:3" states that the value may only be three letters.
if (strpos($rules, ':') !== false)
{
list($rules, $parameter) = explode(':', $rules, 2);
$parameters = $this->parseParameters($rules, $parameter);
}
return array(studly_case(trim($rules)), $parameters);
}
/**
* Parse a parameter list.
*
* @param string $rule
* @param string $parameter
* @return array
*/
protected function parseParameters($rule, $parameter)
{
if (strtolower($rule) == 'regex') return array($parameter);
return str_getcsv($parameter);
}
/**
* Get the array of custom validator extensions.
*
* @return array
*/
public function getExtensions()
{
return $this->extensions;
}
/**
* Register an array of custom validator extensions.
*
* @param array $extensions
* @return void
*/
public function addExtensions(array $extensions)
{
if ($extensions)
{
$keys = array_map('snake_case', array_keys($extensions));
$extensions = array_combine($keys, array_values($extensions));
}
$this->extensions = array_merge($this->extensions, $extensions);
}
/**
* Register an array of custom implicit validator extensions.
*
* @param array $extensions
* @return void
*/
public function addImplicitExtensions(array $extensions)
{
$this->addExtensions($extensions);
foreach ($extensions as $rule => $extension)
{
$this->implicitRules[] = studly_case($rule);
}
}
/**
* Register a custom validator extension.
*
* @param string $rule
* @param \Closure|string $extension
* @return void
*/
public function addExtension($rule, $extension)
{
$this->extensions[snake_case($rule)] = $extension;
}
/**
* Register a custom implicit validator extension.
*
* @param string $rule
* @param \Closure|string $extension
* @return void
*/
public function addImplicitExtension($rule, $extension)
{
$this->addExtension($rule, $extension);
$this->implicitRules[] = studly_case($rule);
}
/**
* Get the array of custom validator message replacers.
*
* @return array
*/
public function getReplacers()
{
return $this->replacers;
}
/**
* Register an array of custom validator message replacers.
*
* @param array $replacers
* @return void
*/
public function addReplacers(array $replacers)
{
if ($replacers)
{
$keys = array_map('snake_case', array_keys($replacers));
$replacers = array_combine($keys, array_values($replacers));
}
$this->replacers = array_merge($this->replacers, $replacers);
}
/**
* Register a custom validator message replacer.
*
* @param string $rule
* @param \Closure|string $replacer
* @return void
*/
public function addReplacer($rule, $replacer)
{
$this->replacers[snake_case($rule)] = $replacer;
}
/**
* Get the data under validation.
*
* @return array
*/
public function getData()
{
return $this->data;
}
/**
* Set the data under validation.
*
* @param array $data
* @return void
*/
public function setData(array $data)
{
$this->data = $this->parseData($data);
}
/**
* Get the validation rules.
*
* @return array
*/
public function getRules()
{
return $this->rules;
}
/**
* Set the validation rules.
*
* @param array $rules
* @return $this
*/
public function setRules(array $rules)
{
$this->rules = $this->explodeRules($rules);
return $this;
}
/**
* Set the custom attributes on the validator.
*
* @param array $attributes
* @return $this
*/
public function setAttributeNames(array $attributes)
{
$this->customAttributes = $attributes;
return $this;
}
/**
* Set the custom values on the validator.
*
* @param array $values
* @return $this
*/
public function setValueNames(array $values)
{
$this->customValues = $values;
return $this;
}
/**
* Get the files under validation.
*
* @return array
*/
public function getFiles()
{
return $this->files;
}
/**
* Set the files under validation.
*
* @param array $files
* @return $this
*/
public function setFiles(array $files)
{
$this->files = $files;
return $this;
}
/**
* Get the Presence Verifier implementation.
*
* @return \Illuminate\Validation\PresenceVerifierInterface
*
* @throws \RuntimeException
*/
public function getPresenceVerifier()
{
if ( ! isset($this->presenceVerifier))
{
throw new \RuntimeException("Presence verifier has not been set.");
}
return $this->presenceVerifier;
}
/**
* Set the Presence Verifier implementation.
*
* @param \Illuminate\Validation\PresenceVerifierInterface $presenceVerifier
* @return void
*/
public function setPresenceVerifier(PresenceVerifierInterface $presenceVerifier)
{
$this->presenceVerifier = $presenceVerifier;
}
/**
* Get the Translator implementation.
*
* @return \Symfony\Component\Translation\TranslatorInterface
*/
public function getTranslator()
{
return $this->translator;
}
/**
* Set the Translator implementation.
*
* @param \Symfony\Component\Translation\TranslatorInterface $translator
* @return void
*/
public function setTranslator(TranslatorInterface $translator)
{
$this->translator = $translator;
}
/**
* Get the custom messages for the validator
*
* @return array
*/
public function getCustomMessages()
{
return $this->customMessages;
}
/**
* Set the custom messages for the validator
*
* @param array $messages
* @return void
*/
public function setCustomMessages(array $messages)
{
$this->customMessages = array_merge($this->customMessages, $messages);
}
/**
* Get the custom attributes used by the validator.
*
* @return array
*/
public function getCustomAttributes()
{
return $this->customAttributes;
}
/**
* Add custom attributes to the validator.
*
* @param array $customAttributes
* @return $this
*/
public function addCustomAttributes(array $customAttributes)
{
$this->customAttributes = array_merge($this->customAttributes, $customAttributes);
return $this;
}
/**
* Get the custom values for the validator.
*
* @return array
*/
public function getCustomValues()
{
return $this->customValues;
}
/**
* Add the custom values for the validator.
*
* @param array $customValues
* @return $this
*/
public function addCustomValues(array $customValues)
{
$this->customValues = array_merge($this->customValues, $customValues);
return $this;
}
/**
* Get the fallback messages for the validator.
*
* @return array
*/
public function getFallbackMessages()
{
return $this->fallbackMessages;
}
/**
* Set the fallback messages for the validator.
*
* @param array $messages
* @return void
*/
public function setFallbackMessages(array $messages)
{
$this->fallbackMessages = $messages;
}
/**
* Get the failed validation rules.
*
* @return array
*/
public function failed()
{
return $this->failedRules;
}
/**
* Get the message container for the validator.
*
* @return \Illuminate\Support\MessageBag
*/
public function messages()
{
if ( ! $this->messages) $this->passes();
return $this->messages;
}
/**
* An alternative more semantic shortcut to the message container.
*
* @return \Illuminate\Support\MessageBag
*/
public function errors()
{
return $this->messages();
}
/**
* Get the messages for the instance.
*
* @return \Illuminate\Support\MessageBag
*/
public function getMessageBag()
{
return $this->messages();
}
/**
* Set the IoC container instance.
*
* @param \Illuminate\Container\Container $container
* @return void
*/
public function setContainer(Container $container)
{
$this->container = $container;
}
/**
* Call a custom validator extension.
*
* @param string $rule
* @param array $parameters
* @return bool
*/
protected function callExtension($rule, $parameters)
{
$callback = $this->extensions[$rule];
if ($callback instanceof Closure)
{
return call_user_func_array($callback, $parameters);
}
elseif (is_string($callback))
{
return $this->callClassBasedExtension($callback, $parameters);
}
}
/**
* Call a class based validator extension.
*
* @param string $callback
* @param array $parameters
* @return bool
*/
protected function callClassBasedExtension($callback, $parameters)
{
list($class, $method) = explode('@', $callback);
return call_user_func_array(array($this->container->make($class), $method), $parameters);
}
/**
* Call a custom validator message replacer.
*
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function callReplacer($message, $attribute, $rule, $parameters)
{
$callback = $this->replacers[$rule];
if ($callback instanceof Closure)
{
return call_user_func_array($callback, func_get_args());
}
elseif (is_string($callback))
{
return $this->callClassBasedReplacer($callback, $message, $attribute, $rule, $parameters);
}
}
/**
* Call a class based validator message replacer.
*
* @param string $callback
* @param string $message
* @param string $attribute
* @param string $rule
* @param array $parameters
* @return string
*/
protected function callClassBasedReplacer($callback, $message, $attribute, $rule, $parameters)
{
list($class, $method) = explode('@', $callback);
return call_user_func_array(array($this->container->make($class), $method), array_slice(func_get_args(), 1));
}
/**
* 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.");
}
}
/**
* Handle dynamic calls to class methods.
*
* @param string $method
* @param array $parameters
* @return mixed
*
* @throws \BadMethodCallException
*/
public function __call($method, $parameters)
{
$rule = snake_case(substr($method, 8));
if (isset($this->extensions[$rule]))
{
return $this->callExtension($rule, $parameters);
}
throw new \BadMethodCallException("Method [$method] does not exist.");
}
}
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