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<?php |
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namespace Germania\UserProfiles; |
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use Germania\UserProfiles\Exceptions\SetApiKeyException; |
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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 sets a new random API key for a user's ID. |
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* |
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* Example: |
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* |
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* use Germania\UserProfiles\PdoApiKeySetter; |
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* |
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* $pdo = new PDO( ... ); |
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* $rnd = function() { return 'ABCDEF'; }; |
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* $logger = new Monolog(); |
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* $table = 'users'; |
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* |
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* $setter = new PdoApiKeySetter( $pdo, $random_gen, $logger, $table); |
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* $result = $setter( 42 ); |
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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 PdoApiKeySetter |
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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 $random_gen; |
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/** |
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* @param PDO $pdo PDO instance |
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* @param Callable $random_gen Callable Random Generator |
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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 $random_gen, LoggerInterface $logger = null, $table = null ) |
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{ |
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// Prerequisites |
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$this->table = $table ?: $this->table; |
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$this->random_gen = $random_gen; |
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$this->logger = $logger; |
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// Prepare business |
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$sql = "UPDATE {$this->table} |
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SET api_key = :apikey |
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WHERE id = :user_id |
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LIMIT 1"; |
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// Store for later use |
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$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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* |
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* @return bool TRUE on success |
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* |
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* @throws SetApiKeyException if PDOStatement execution fails. |
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*/ |
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public function __invoke( $user_id ) |
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{ |
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// Calc values |
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$randomgen = $this->random_gen; |
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$apikey = $randomgen(); |
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// Perform |
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$result = $this->stmt->execute([ |
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'apikey' => $apikey, |
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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' => $user_id, |
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'mb_strlen' => mb_strlen($apikey ), |
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'result' => $result |
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]; |
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if ($result): |
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$this->logger->info("Successfully created API key.", $loginfo); |
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return $result; |
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endif; |
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$this->logger->warning("Could not set API key?!", $loginfo); |
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throw new SetApiKeyException; |
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} |
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} |
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GermaniaKG /
UserProfiles
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