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<?php |
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declare(strict_types=1); |
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namespace Phypes\Validator; |
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use Phypes\Error\TypeError\TypeError; |
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use Phypes\Error\TypeError\TypeErrorCode; |
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use Phypes\Result; |
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use Phypes\Rule\String\MinimumLength; |
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class PasswordValidator extends AbstractValidator |
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{ |
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/** |
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* Check if the password has a diverse character type set for a strong-enough password |
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* Uppercase, lowercase combo etc. |
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* @param string $password |
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* @return bool |
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*/ |
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private function hasMultiCharTypes(string $password): bool |
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{ |
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$differentCharacterTypes = 0; |
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// Lowercase |
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if (preg_match('/[a-z]/', $password)) { |
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$differentCharacterTypes++; |
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} |
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// Upper case |
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if (preg_match('/[A-Z]/', $password)) { |
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$differentCharacterTypes++; |
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} |
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//Check for numbers |
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if (preg_match('/[\d]/', $password)) { |
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$differentCharacterTypes++; |
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} |
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//Check for anything that's not a word aka special characters |
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if (preg_match('/[\W]/', $password)) { |
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$differentCharacterTypes++; |
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} |
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return $differentCharacterTypes > 2; |
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} |
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/** |
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* Standard password length check |
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* @param string $password |
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* @param int $minSize |
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* @return bool |
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*/ |
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private function isLongEnough(string $password, int $minSize) : bool |
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{ |
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return (new MinimumLength($minSize))->$this->validate($password)->isValid(); |
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} |
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/** |
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* Validate the password based on different imposing conditions |
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* Implement your own password validator if you want a more custom set of rules |
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* This set of rules should work for a lot of general use cases |
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* @param $password |
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* @param array $options |
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* @return Result |
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*/ |
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public function validate($password, $options = []): Result |
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{ |
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if (!$this->isLongEnough($password, 8)) { |
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$error = new TypeError(TypeErrorCode::PASSWORD_TOO_SMALL, |
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'The password is not at least 8 characters long'); |
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return $this->failure($error); |
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} |
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if (!$this->hasMultiCharTypes($password)) { |
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$error = new TypeError(TypeErrorCode::PASSWORD_NOT_MULTI_CHARACTER, |
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'The password does not contain at least 3 of these character types:' . |
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' lower case, upper case, numeric and special characters'); |
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return $this->failure($error); |
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} |
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return $this->success(); |
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} |
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} |
2DSharp /
Phypes
