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<?php |
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namespace Germania\UserProfiles; |
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use Germania\UserProfiles\Exceptions\SetPasswordException; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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/** |
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* This Callable updates the password for the given user. |
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* The password will be hashed by the hash function callable passed |
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* to the constructor. |
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* |
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* Example: |
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* |
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* <?php |
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* use Germania\UserProfiles\PdoPasswordSetter; |
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* |
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* $pdo = new PDO( ... ); |
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* $hash = function() { return 'ABCDEF'; }; |
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* $logger = new Monolog(); |
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* $table = 'users'; |
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* |
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* $user = 42; |
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* |
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* $setter = new PdoPasswordSetter( $pdo, $hash, $logger, $table); |
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* $result = $setter( 42, 'top_secret' ); |
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* ?> |
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* |
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* @author Carsten Witt <[email protected]> |
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*/ |
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class PdoPasswordSetter |
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{ |
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/** |
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* Database table |
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* @var string |
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*/ |
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public $table = 'users'; |
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/** |
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* @var PDOStatement |
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*/ |
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public $stmt; |
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/** |
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* @var LoggerInterface |
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*/ |
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public $logger; |
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/** |
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* @var Callable |
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*/ |
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public $hash_function; |
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/** |
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* @param PDO $pdo PDO instance |
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* @param Callable $hash_function Hash function callable |
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* @param LoggerInterface $logger Optional: PSR-3 Logger |
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* @param string $table Optional: Database table name |
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*/ |
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public function __construct( \PDO $pdo, Callable $hash_function, LoggerInterface $logger = null, $table = null) |
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{ |
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// Setup |
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$this->hash_function = $hash_function; |
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$this->logger = $logger ?: new NullLogger; |
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$this->table = $table ?: $this->table; |
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// Prepare business |
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$sql = "UPDATE {$this->table} SET |
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password = :password |
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WHERE id = :user_id |
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LIMIT 1"; |
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// Store for later use |
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$this->stmt = $pdo->prepare( $sql ); |
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} |
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/** |
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* @param int $user_id |
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* @param string $new_password |
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* |
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* @return bool PDOStatement execution result |
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* |
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* @throws SetPasswordException if PDOStatement execution fails |
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*/ |
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public function __invoke( $user_id, $new_password ) |
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{ |
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// Calc values |
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$hash_function = $this->hash_function; |
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$password_hash = $hash_function( $new_password ); |
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// Perform |
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$result = $this->stmt->execute([ |
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'password' => $password_hash, |
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'user_id' => $user_id |
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]); |
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// Evaluate |
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$loginfo = [ |
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'user_id' => $user_id, |
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'mb_strlen' => mb_strlen($password_hash ), |
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'result' => $result |
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]; |
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if ($result): |
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$this->logger->info("Successfully set password.", $loginfo); |
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return $result; |
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endif; |
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$this->logger->warning("Could not set password?!", $loginfo); |
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throw new SetPasswordException; |
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} |
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} |
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GermaniaKG /
UserProfiles
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