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<?php |
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/* |
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* Copyright (c) 2021. Hilmi Erdem Keren |
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* license MIT |
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*/ |
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namespace Erdemkeren\Otp; |
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use Erdemkeren\Otp\Contracts\GeneratorContract; |
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use Erdemkeren\Otp\Contracts\GeneratorManagerContract; |
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use Erdemkeren\Otp\Exceptions\GeneratorInstantiationException; |
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use Erdemkeren\Otp\Exceptions\UnregisteredGeneratorException; |
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use function is_callable; |
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use function is_string; |
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use ReflectionClass; |
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use UnexpectedValueException; |
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/** |
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* Class GeneratorManager. |
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*/ |
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class GeneratorManager implements GeneratorManagerContract |
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{ |
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/** |
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* The password generator registry. |
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* |
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* @var array |
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*/ |
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private static array $generators; |
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/** |
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* Get the token generator by the given name. |
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* |
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* @param string $name |
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* @return callable |
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* |
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* @throws UnregisteredGeneratorException |
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*/ |
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public function get(string $name): callable |
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{ |
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if (! array_key_exists($name, static::$generators)) { |
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throw UnregisteredGeneratorException::createForName($name); |
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} |
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return static::$generators[$name]; |
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} |
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/** |
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* Registers the given password generator with the given name. |
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* |
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* @param string $name |
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* @param callable|string $generator |
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*/ |
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public function register(string $name, string|callable $generator): void |
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{ |
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if (is_string($generator)) { |
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$generator = $this->createGeneratorFromString($generator); |
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} |
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if (! is_callable($generator) && ! $generator instanceof GeneratorContract) { |
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throw new UnexpectedValueException(sprintf( |
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'The generators should either be callable or an instance of %s', |
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GeneratorContract::class, |
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)); |
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} |
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static::$generators[$name] = is_callable($generator) |
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? $generator |
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: function () use ($generator): string { |
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return $generator->generate(); |
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}; |
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} |
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/** |
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* Create a new password generator instance using the given |
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* fully qualified password generator class name. |
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* |
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* @param string $className |
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* @return GeneratorContract |
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*/ |
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private function createGeneratorFromString(string $className): GeneratorContract |
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{ |
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if (! class_exists($className)) { |
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throw GeneratorInstantiationException::createForMissingGenerator($className); |
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} |
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$generatorReflection = new ReflectionClass($className); |
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if (! $generatorReflection->isInstantiable()) { |
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throw GeneratorInstantiationException::createForNotInstantiableGenerator($className); |
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} |
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return new $className(); |
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} |
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} |
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erdemkeren /
laravel-otp
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