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<?php |
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namespace Germania\PermanentAuth; |
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use Germania\PermanentAuth\Exceptions\DuplicateSelectorException; |
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use Germania\PermanentAuth\Exceptions\StorageException; |
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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 stores a persistent login for a given User ID with selector, token hash and expiration date. |
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* |
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* If a selector exists, a `DuplicateSelectorException` will be thrown. |
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* If the insert statement execution fails, a `StorageException` will be thrown. |
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*/ |
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class PdoStorage |
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{ |
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/** |
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* @var string |
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*/ |
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public $table = "auth_logins"; |
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/** |
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* @var PDOStatement |
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*/ |
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public $avoid_stmt; |
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/** |
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* @var PDOStatement |
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*/ |
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public $insert_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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* @param \PDO $pdo PDO instance |
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* @param LoggerInterface $logger Optional: PSR-3 Logger |
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* @param string $table Optional: Custom table name, default: `auth_logins` |
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*/ |
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public function __construct( \PDO $pdo, LoggerInterface $logger = null, $table = null ) |
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{ |
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$this->table = $table ?: $this->table; |
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$this->logger = $logger ?: new NullLogger; |
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// ------------------------------------------ |
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// 1. Prepare avoid duplicates statement |
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// ------------------------------------------ |
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$avoid_duplicate_sql = "SELECT selector |
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FROM {$this->table} |
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WHERE selector = :selector |
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LIMIT 1"; |
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$this->avoid_stmt = $pdo->prepare($avoid_duplicate_sql); |
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// ------------------------------------------ |
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// 2. Prepare Insert statements |
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// ------------------------------------------ |
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$insert_sql = "INSERT INTO {$this->table} ( |
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user_id, |
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selector, |
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token_hash, |
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valid_until |
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) VALUES ( |
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:user_id, |
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:selector, |
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:token_hash, |
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:valid_until |
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)"; |
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$this->insert_stmt = $pdo->prepare( $insert_sql ); |
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} |
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/** |
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* @param int $user_id User ID |
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* @param string $selector Cookie selector |
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* @param string $token_hash Token hash |
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* @param \DateTime $valid_until Valid until DateTime |
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* |
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* @return boolean |
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* |
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* @throws StorageException if Insert Statement executions returns FALSE. |
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*/ |
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public function __invoke($user_id, $selector, $token_hash, \DateTime $valid_until) |
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{ |
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// ------------------------------------------ |
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// 1. Find out if selector already exists |
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// ------------------------------------------ |
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$way_clear = $this->avoid_stmt->execute([':selector' => $selector]); |
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if (!$way_clear) { |
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throw new StorageException("Could not check if selector is existing."); |
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} |
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if ($this->avoid_stmt->fetchColumn()) { |
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throw new DuplicateSelectorException; |
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} |
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// ------------------------------------------ |
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// 2. Insert |
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// ------------------------------------------ |
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$result = $this->insert_stmt->execute([ |
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':user_id' => $user_id, |
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':selector' => $selector, |
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':token_hash' => $token_hash, |
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':valid_until' => $valid_until->format('Y-m-d H:i:s') |
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]); |
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if ($result) : |
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$this->logger->info("Stored in database", [ |
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'user_id' => $user_id, |
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'selector' => $selector |
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]); |
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else: |
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$error_info = $this->insert_stmt->errorInfo(); |
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$this->logger->error('Could not store persistent login', [ |
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'user_id' => $user_id, |
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'selector' => $selector, |
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'stmt_error' => $error_info |
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]); |
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throw new StorageException("Could not store persistent login on server: " . implode("/", $error_info)); |
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endif; |
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return true; |
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} |
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} |
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GermaniaKG /
PermanentAuth
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..