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<?php |
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namespace Germania\Permissions; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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use Psr\Container\ContainerInterface; |
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use Psr\Container\NotFoundException; |
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class PdoAllPermissions implements \Countable, \IteratorAggregate, ContainerInterface |
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{ |
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use LoggerAwareTrait; |
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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 Array |
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*/ |
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public $permissions = array(); |
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/** |
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* @var string |
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*/ |
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public $permissions_table = "permissions"; |
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/** |
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* @var string |
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*/ |
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public $permissions_roles_table = "permissions_roles"; |
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/** |
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* @var Seperator string for roles in SELECT statement |
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*/ |
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protected $separator = ","; |
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/** |
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* @param \PDO $pdo PDO instance |
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* @param string $permissions_table Permissions table name |
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* @param string $permissions_roles_table Permissions and roles assignments table |
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* @param LoggerInterface|null $logger Optional: PSR-3 Logger |
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*/ |
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public function __construct( \PDO $pdo, $permissions_table, $permissions_roles_table, LoggerInterface $logger = null ) |
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{ |
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$this->setLogger( $logger ?: new NullLogger ); |
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// Prerequisites |
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$this->permissions_table = $permissions_table; |
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$this->permissions_roles_table = $permissions_roles_table; |
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// Read pages and allowed roles |
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$sql = "SELECT |
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-- Select name twice here because of UNIQUE |
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P.permission_name AS name, |
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P.id, |
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P.permission_name AS name, |
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P.permission_description AS description, |
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P.info AS info, |
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GROUP_CONCAT(Pmm.role_id ORDER BY role_id ASC SEPARATOR '{$this->separator}') AS assigned_roles |
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FROM {$this->permissions_table} P |
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LEFT JOIN {$this->permissions_roles_table} Pmm |
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ON P.id = Pmm.permission_id |
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GROUP BY name"; |
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// Prepare business |
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$this->stmt = $pdo->prepare( $sql ); |
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$this->stmt->execute(); |
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$this->permissions = $this->stmt->fetchAll( \PDO::FETCH_UNIQUE | \PDO::FETCH_ASSOC); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function has( $name ) |
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{ |
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return array_key_exists($name, $this->permissions); |
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} |
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/** |
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* @inheritDoc |
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* @throws PermissionNotFoundException |
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*/ |
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public function get( $name ) |
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{ |
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if ($this->has($name)) |
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return $this->permissions[ $name ]; |
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throw new PermissionNotFoundException("There is no permission '$name'"); |
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} |
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/** |
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* @inheritDoc |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count( $this->permissions ); |
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} |
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/** |
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* @return ArrayIterator |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator( $this->permissions ); |
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} |
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} |
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GermaniaKG /
Permissions
