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<?php |
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declare(strict_types=1); |
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namespace Stadly\PasswordPolice\Rule; |
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use DateTimeInterface; |
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use InvalidArgumentException; |
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use RuntimeException; |
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use Stadly\PasswordPolice\Password; |
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use Stadly\PasswordPolice\Policy; |
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use Stadly\PasswordPolice\WordList\WordListInterface; |
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final class GuessableData implements RuleInterface |
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{ |
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private const DATE_FORMATS = [ |
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// Year |
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['y'], // 18 |
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['Y'], // 2018 |
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// Day month |
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['j', 'n'], // 4 8 |
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['j', 'm'], // 4 08 |
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['j', 'M'], // 4 Aug |
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['j', 'F'], // 4 August |
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// Month day |
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['n', 'j'], // 8 4 |
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['n', 'd'], // 8 04 |
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['M', 'j'], // Aug 4 |
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['M', 'd'], // Aug 04 |
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['F', 'j'], // August 4 |
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['F', 'd'], // August 04 |
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]; |
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private const DATE_SEPARATORS = [ |
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'', |
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'-', |
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' ', |
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'/', |
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'.', |
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',', |
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'. ', |
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', ', |
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]; |
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/** |
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* Check whether a password is in compliance with the rule. |
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* |
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* @param Password|string $password Password to check. |
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* @return bool Whether the password is in compliance with the rule. |
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*/ |
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public function test($password): bool |
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{ |
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$data = $this->getGuessableData($password); |
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return $data === null; |
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} |
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/** |
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* Enforce that a password is in compliance with the rule. |
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* |
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* @param Password|string $password Password that must adhere to the rule. |
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* @throws RuleException If the password does not adhrere to the rule. |
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*/ |
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public function enforce($password): void |
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{ |
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$data = $this->getGuessableData($password); |
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if ($data !== null) { |
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throw new RuleException($this, $this->getMessage()); |
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} |
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1 |
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} |
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/** |
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* @param Password|string $password Password to find guessable data in. |
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* @return string|DateTimeInterface|null Guessable data in the password. |
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*/ |
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private function getGuessableData($password) |
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{ |
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7 |
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if ($password instanceof Password) { |
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foreach ($password->getGuessableData() as $data) { |
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if ($this->contains((string)$password, $data)) { |
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return $data; |
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} |
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} |
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} |
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return null; |
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} |
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/** |
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* @param string $password Password to check. |
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* @param string|DateTimeInterface $data Data to check. |
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* @return bool Whether the password contains the data. |
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*/ |
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private function contains(string $password, $data): bool |
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{ |
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6 |
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if ($data instanceof DateTimeInterface) { |
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return $this->containsDate($password, $data); |
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} |
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4 |
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return $this->containsString($password, $data); |
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} |
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/** |
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* @param string $password Password to check. |
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* @param string $string String to check. |
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* @return bool Whether the password contains the string. |
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*/ |
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private function containsString(string $password, string $string): bool |
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{ |
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return false !== mb_stripos($password, $string); |
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} |
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/** |
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* @param string $password Password to check. |
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* @param DateTimeInterface $date Date to check. |
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* @return bool Whether the password contains the date. |
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*/ |
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3 |
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private function containsDate(string $password, DateTimeInterface $date): bool |
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{ |
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3 |
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foreach ($this->getDateFormats() as $format) { |
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if ($this->containsString($password, $date->format($format))) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return iterable<string> Date formats. |
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*/ |
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private function getDateFormats(): iterable |
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{ |
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foreach (self::DATE_FORMATS as $format) { |
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foreach (self::DATE_SEPARATORS as $separator) { |
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yield implode($separator, $format); |
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} |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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1 |
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public function getMessage(): string |
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{ |
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1 |
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$translator = Policy::getTranslator(); |
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1 |
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return $translator->trans( |
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'Must not contain guessable data.' |
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); |
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} |
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} |
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Stadly /
PasswordPolice
