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<?php |
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namespace Lagdo\DbAdmin\Driver\Db; |
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use Lagdo\DbAdmin\Driver\DriverInterface; |
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use Lagdo\DbAdmin\Driver\Entity\UserEntity; |
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use Lagdo\DbAdmin\Driver\Utils\Utils; |
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use function preg_match; |
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use function preg_match_all; |
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abstract class Server implements ServerInterface |
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{ |
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/** |
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* @var DriverInterface |
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*/ |
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protected $driver; |
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/** |
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* @var Utils |
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*/ |
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protected $utils; |
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/** |
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* The constructor |
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* |
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* @param DriverInterface $driver |
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* @param Utils $utils |
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*/ |
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public function __construct(DriverInterface $driver, Utils $utils) |
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{ |
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$this->driver = $driver; |
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$this->utils = $utils; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getUsers(string $database): array |
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{ |
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// From privileges.inc.php |
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$clause = ($database == '' ? 'user' : 'db WHERE ' . $this->driver->quote($database) . ' LIKE Db'); |
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$query = "SELECT User, Host FROM mysql.$clause ORDER BY Host, User"; |
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$statement = $this->driver->query($query); |
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// $grant = $statement; |
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if (!$statement) { |
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// list logged user, information_schema.USER_PRIVILEGES lists just the current user too |
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$statement = $this->driver->query("SELECT SUBSTRING_INDEX(CURRENT_USER, '@', 1) " . |
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"AS User, SUBSTRING_INDEX(CURRENT_USER, '@', -1) AS Host"); |
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} |
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$users = []; |
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while ($user = $statement->fetchAssoc()) { |
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$users[] = $user; |
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} |
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return $users; |
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} |
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/** |
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* @param UserEntity $user |
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* @param array $grant |
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* |
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* @return void |
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*/ |
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private function addUserGrant(UserEntity $user, array $grant) |
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{ |
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if (preg_match('~GRANT (.*) ON (.*) TO ~', $grant[0], $match) && |
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preg_match_all('~ *([^(,]*[^ ,(])( *\([^)]+\))?~', $match[1], $matches, PREG_SET_ORDER)) { |
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//! escape the part between ON and TO |
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foreach ($matches as $val) { |
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$match2 = $match[2] ?? ''; |
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$val2 = $val[2] ?? ''; |
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if ($val[1] != 'USAGE') { |
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$user->grants["$match2$val2"][$val[1]] = true; |
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} |
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if (preg_match('~ WITH GRANT OPTION~', $grant[0])) { //! don't check inside strings and identifiers |
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$user->grants["$match2$val2"]['GRANT OPTION'] = true; |
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} |
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} |
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} |
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if (preg_match("~ IDENTIFIED BY PASSWORD '([^']+)~", $grant[0], $match)) { |
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$user->password = $match[1]; |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getUserGrants(string $user, string $host): UserEntity |
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{ |
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$entity = new UserEntity($user, $host); |
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// From user.inc.php |
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//! use information_schema for MySQL 5 - column names in column privileges are not escaped |
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$query = 'SHOW GRANTS FOR ' . $this->driver->quote($user) . '@' . $this->driver->quote($host); |
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if (!($statement = $this->driver->query($query))) { |
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return $entity; |
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} |
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while ($grant = $statement->fetchRow()) { |
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$this->addUserGrant($entity, $grant); |
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} |
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return $entity; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getUserPrivileges(UserEntity $user) |
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{ |
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$user->privileges = $this->driver->rows('SHOW PRIVILEGES'); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function engines() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function collations() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function databaseCollation(string $database, array $collations) |
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{ |
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return ''; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isInformationSchema(string $database) |
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{ |
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return false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function variables() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function statusVariables() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function routineLanguages() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function renameDatabase(string $name, string $collation) |
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{ |
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return false; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function processes() |
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{ |
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return []; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function processAttr(array $process, string $key, string $val): string |
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{ |
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return $this->utils->str->html($val); |
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} |
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} |
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lagdo /
dbadmin-driver
