pdnsmanager/backend/src/operations/Users.php
2018-04-05 16:23:55 +02:00

299 lines
9.1 KiB
PHP

<?php
namespace Operations;
require '../vendor/autoload.php';
/**
* This class provides functions for retrieving and modifying users.
*/
class Users
{
/** @var \Monolog\Logger */
private $logger;
/** @var \PDO */
private $db;
/** @var \Slim\Container */
private $c;
public function __construct(\Slim\Container $c)
{
$this->logger = $c->logger;
$this->db = $c->db;
$this->c = $c;
}
/**
* Get a list of users according to filter criteria
*
* @param $pi PageInfo object, which is also updated with total page number
* @param $nameQuery Search query, may be null
* @param $type Type of the user, comma separated, null for no filter
* @param $sorting Sort string in format 'field-asc,field2-desc', null for default
*
* @return array Array with matching users
*/
public function getUsers(\Utils\PagingInfo &$pi, ? string $nameQuery, ? string $type, ? string $sorting) : array
{
$config = $this->c['config']['authentication'];
$this->db->beginTransaction();
$nameQuery = $nameQuery !== null ? '%' . $nameQuery . '%' : '%';
//Count elements
if ($pi->pageSize === null) {
$pi->totalPages = 1;
} else {
$query = $this->db->prepare('
SELECT COUNT(*) AS total
FROM users U
WHERE (U.name LIKE :nameQuery) AND
(U.type IN ' . \Services\Database::makeSetString($this->db, $type) . ' OR :noTypeFilter)
');
$query->bindValue(':nameQuery', $nameQuery, \PDO::PARAM_STR);
$query->bindValue(':noTypeFilter', intval($type === null), \PDO::PARAM_INT);
$query->execute();
$record = $query->fetch();
$pi->totalPages = ceil($record['total'] / $pi->pageSize);
}
//Query and return result
$ordStr = \Services\Database::makeSortingString($sorting, [
'id' => 'U.id',
'name' => 'U.name',
'type' => 'U.type'
]);
$pageStr = \Services\Database::makePagingString($pi);
$query = $this->db->prepare('
SELECT id, name, type, backend
FROM users U
WHERE (U.name LIKE :nameQuery) AND
(U.type IN ' . \Services\Database::makeSetString($this->db, $type) . ' OR :noTypeFilter)'
. $ordStr . $pageStr);
$query->bindValue(':nameQuery', $nameQuery, \PDO::PARAM_STR);
$query->bindValue(':noTypeFilter', intval($type === null), \PDO::PARAM_INT);
$query->execute();
$data = $query->fetchAll();
$this->db->commit();
$dataTransformed = array_map(
function ($item) use ($config) {
if (!array_key_exists($item['backend'], $config)) {
return null;
}
if (!array_key_exists('prefix', $config[$item['backend']])) {
return null;
}
$prefix = $config[$item['backend']]['prefix'];
if ($prefix === 'default') {
$name = $item['name'];
} else {
$name = $prefix . '/' . $item['name'];
}
return [
'id' => intval($item['id']),
'name' => $name,
'type' => $item['type'],
'native' => $item['backend'] === 'native'
];
},
$data
);
return array_filter($dataTransformed, function ($v) {
return $v !== null;
});
}
/**
* Add new domain
*
* @param $name Name of the new zone
* @param $type Type of the new zone
* @param $master Master for slave zones, otherwise null
*
* @return array New domain entry
*
* @throws AlreadyExistenException it the domain exists already
*/
public function addDomain(string $name, string $type, ? string $master) : array
{
if (!in_array($type, [' MASTER ', ' SLAVE ', ' NATIVE '])) {
throw new \Exceptions\SemanticException();
}
$this->db->beginTransaction();
$query = $this->db->prepare(' SELECT id FROM domains WHERE name = : name ');
$query->bindValue(' : name ', $name, \PDO::PARAM_STR);
$query->execute();
$record = $query->fetch();
if ($record !== false) { // Domain already exists
$this->db->rollBack();
throw new \Exceptions\AlreadyExistentException();
}
if ($type === ' SLAVE ') {
$query = $this->db->prepare(' INSERT INTO domains (name, type, master) VALUES(: name, : type, : master) ');
$query->bindValue(' : master ', $master, \PDO::PARAM_STR);
} else {
$query = $this->db->prepare(' INSERT INTO domains (name, type) VALUES (: name, : type) ');
}
$query->bindValue(' : name ', $name, \PDO::PARAM_STR);
$query->bindValue(' : type ', $type, \PDO::PARAM_STR);
$query->execute();
$query = $this->db->prepare(' SELECT id, name, type, master FROM domains WHERE name = : name ');
$query->bindValue(' : name ', $name, \PDO::PARAM_STR);
$query->execute();
$record = $query->fetch();
$record[' id '] = intval($record[' id ']);
if ($type !== ' SLAVE ') {
unset($record[' master ']);
}
$this->db->commit();
return $record;
}
/**
* Delete domain
*
* @param $id Id of the domain to delete
*
* @return void
*
* @throws NotFoundException if domain does not exist
*/
public function deleteDomain(int $id) : void
{
$this->db->beginTransaction();
$query = $this->db->prepare(' SELECT id FROM domains WHERE id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
if ($query->fetch() === false) { //Domain does not exist
$this->db->rollBack();
throw new \Exceptions\NotFoundException();
}
$query = $this->db->prepare('
DELETE E FROM remote E
LEFT OUTER JOIN records R ON R . id = E . record
WHERE R . domain_id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
$query = $this->db->prepare(' DELETE FROM records WHERE domain_id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
$query = $this->db->prepare(' DELETE FROM domains WHERE id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
$this->db->commit();
}
/**
* Get domain
*
* @param $id Id of the domain to get
*
* @return array Domain data
*
* @throws NotFoundException if domain does not exist
*/
public function getDomain(int $id) : array
{
$query = $this->db->prepare('
SELECT D . id, D . name, D . type, D . master, COUNT (R . domain_id) as records FROM domains D
LEFT OUTER JOIN records R ON D . id = R . domain_id
WHERE D . id = : id
GROUP BY D . id, D . name, D . type, D . master
');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
$record = $query->fetch();
if ($record === false) {
throw new \Exceptions\NotFoundException();
}
$record[' id '] = intval($record[' id ']);
$record[' records '] = intval($record[' records ']);
if ($record[' type '] !== ' SLAVE ') {
unset($record[' master ']);
}
return $record;
}
/**
* Get type of given domain
*
* @param int Domain id
*
* @return string Domain type
*
* @throws NotFoundException if domain does not exist
*/
public function getDomainType(int $id) : string
{
$query = $this->db->prepare(' SELECT type FROM domains WHERE id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->execute();
$record = $query->fetch();
if ($record === false) {
throw new \Exceptions\NotFoundException();
}
return $record[' type '];
}
/**
* Update master for slave zone
*
* @param int Domain id
* @param string New master
*
* @return void
*
* @throws NotFoundException if domain does not exist
* @throws SemanticException if domain is no slave zone
*/
public function updateSlave(int $id, string $master)
{
if ($this->getDomainType($id) !== ' SLAVE ') {
throw new \Exceptions\SemanticException();
}
$query = $this->db->prepare(' UPDATE domains SET master = : master WHERE id = : id ');
$query->bindValue(' : id ', $id, \PDO::PARAM_INT);
$query->bindValue(' : master', $master, \PDO::PARAM_STR);
$query->execute();
}
}