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<?php |
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/** |
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* This file is part of the login-cidadao project or it's bundles. |
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* |
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* (c) Guilherme Donato <guilhermednt on github> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace LoginCidadao\SupportBundle\Model; |
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class PersonalData |
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{ |
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const HASH_ALGO = 'sha512'; |
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/** @var string */ |
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private $name; |
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/** @var string */ |
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private $hash; |
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/** @var string */ |
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private $challenge; |
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/** @var string */ |
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private $value; |
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/** @var bool */ |
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private $isValueFilled; |
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/** |
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* PersonalData constructor. |
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* @param string $name |
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* @param string $hash |
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* @param string $value |
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* @param bool $isValueFilled |
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* @param string $challenge |
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*/ |
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public function __construct( |
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string $name, |
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string $value = null, |
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bool $isValueFilled = null, |
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string $hash = null, |
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string $challenge = null |
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) { |
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$this->name = $name; |
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$this->value = $value; |
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$this->isValueFilled = $isValueFilled ?? (bool)$value; |
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$this->challenge = self::enforceChallenge($challenge); |
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$this->setHash($hash); |
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} |
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public static function createWithValue(string $name, ?string $value, string $challenge = null): PersonalData |
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{ |
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if (null === $value) { |
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$value = ''; |
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$filled = false; |
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} else { |
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$filled = (bool)$value; |
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} |
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return new self($name, $value, $filled, null, $challenge); |
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} |
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public static function createWithoutValue(string $name, ?string $value, string $challenge = null): PersonalData |
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{ |
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$challenge = self::enforceChallenge($challenge); |
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$hash = self::generateHash(self::enforceChallenge($challenge), $value); |
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return new self($name, null, (bool)$value, $hash, $challenge); |
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} |
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public function checkValue(string $value): bool |
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{ |
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$userHash = $this->generateHash($this->getChallenge(), $value); |
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return hash_equals($this->getHash(), $userHash); |
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} |
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private function setHash(string $hash = null) |
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{ |
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if ($hash === null) { |
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if ($this->value !== null) { |
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$hash = $this->generateHash($this->getChallenge(), $this->getValue()); |
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} else { |
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throw new \InvalidArgumentException("Hash and Value can't both be null"); |
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} |
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} |
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$this->hash = $hash; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* @return string |
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*/ |
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public function getHash(): string |
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{ |
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return $this->hash; |
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} |
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/** |
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* @return string |
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*/ |
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public function getChallenge(): string |
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{ |
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return $this->challenge; |
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} |
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/** |
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* @return string |
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*/ |
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public function getValue(): ?string |
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{ |
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return $this->value; |
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} |
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public function isValueFilled(): bool |
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{ |
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return $this->isValueFilled; |
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} |
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private static function generateHash(string $challenge, ?string $value): string |
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{ |
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return hash_hmac(self::HASH_ALGO, $challenge, $value); |
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} |
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private static function enforceChallenge(string $challenge = null): string |
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{ |
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return $challenge ?? bin2hex(random_bytes(10)); |
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} |
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public function __toString(): string |
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{ |
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if ($this->getValue() !== null) { |
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return $this->getValue(); |
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} else { |
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return $this->isValueFilled ? 'Yes' : 'No'; |
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} |
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} |
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} |
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redelivre /
login-cidadao
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