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<?php
/**
* PHPPgAdmin 6.0.0
*/
namespace PHPPgAdmin\Database;
/**
* @file
* Class to represent a database connection
*
* Id: Connection.php,v 1.15 2008/02/18 21:42:47 ioguix Exp $
*/
class Connection
{
use \PHPPgAdmin\Traits\HelperTrait;
public $conn;
public $platform = 'UNKNOWN';
protected $container;
protected $server_info;
protected $version_dictionary = [
'13' => 'Postgres13',
'12' => 'Postgres12',
'11' => 'Postgres11',
'10' => 'Postgres10',
'9.7' => 'Postgres96',
'9.6' => 'Postgres96',
'9.5' => 'Postgres95',
'9.4' => 'Postgres94',
'9.3' => 'Postgres93',
'9.2' => 'Postgres92',
'9.1' => 'Postgres91',
'9.0' => 'Postgres90',
'8.4' => 'Postgres84',
'8.3' => 'Postgres83',
'8.2' => 'Postgres82',
'8.1' => 'Postgres81',
'8.0' => 'Postgres80',
'7.5' => 'Postgres80',
'7.4' => 'Postgres74',
];
// The backend platform. Set to UNKNOWN by default.
private $_connection_result;
/**
* Creates a new connection. Will actually make a database connection.
*
* @param array $server_info
* @param string $database database name
* @param \Slim\Container $container
* @param int $fetchMode Defaults to associative. Override for different behaviour
*/
public function __construct($server_info, $database, $container, $fetchMode = ADODB_FETCH_ASSOC)
{
$host = $server_info['host'];
$port = $server_info['port'];
$sslmode = $server_info['sslmode'];
$user = $server_info['username'];
$password = $server_info['password'];
$this->server_info = $server_info;
$this->container = $container;
$this->conn = ADONewConnection('postgres9');
//$this->conn->debug = true;
$this->conn->setFetchMode($fetchMode);
// Ignore host if null
if (null === $host || '' === $host) {
if (null !== $port && '' !== $port) {
$pghost = ':' . $port;
} else {
$pghost = '';
}
} else {
$pghost = "{$host}:{$port}";
}
// Add sslmode to $pghost as needed
if (('disable' === $sslmode) || ('allow' === $sslmode) || ('prefer' === $sslmode) || ('require' === $sslmode)) {
$pghost .= ':' . $sslmode;
} elseif ('legacy' === $sslmode) {
$pghost .= ' requiressl=1';
}
/*try {
$this->_connection_result = $this->conn->connect($pghost, $user, $password, $database);
$this->prtrace(['_connection_result' => $this->_connection_result, 'conn' => $this->conn]);
} catch (\PHPPgAdmin\ADOdbException $e) {
$this->prtrace(['message' => $e->getMessage(), 'trace' => $e->getTraceAsString()]);
*/
try {
$this->conn->connect($pghost, $user, $password, $database);
//$this->prtrace($this->conn);
} catch (\Exception $e) {
$this->prtrace($e->getMessage(), $e->getTrace());
}
}
public function getConnectionResult()
{
return $this->_connection_result;
}
/**
* Gets the name of the correct database driver to use. As a side effect,
* sets the platform.
*
* @param string $description A description of the database and version (returns by reference)
*
* @return string The driver. e.g. Postgres96
*/
public function getDriver(&$description)
{
$v = \pg_version($this->conn->_connectionID);
//\PhpConsole\Handler::getInstance()->debug($v, 'pg_version');
if (isset($v['server'])) {
$version = $v['server'];
}
// If we didn't manage to get the version without a query, query...
if (!isset($version)) {
$adodb = new ADOdbBase($this->conn, $this->container, $this->server_info);
$sql = 'SELECT VERSION() AS version';
$field = $adodb->selectField($sql, 'version');
// Check the platform, if it's mingw, set it
if (\preg_match('/ mingw /i', $field)) {
$this->platform = 'MINGW';
}
$params = \explode(' ', $field);
if (!isset($params[1])) {
return -3;
}
$version = $params[1]; // eg. 8.4.4
}
$description = "PostgreSQL {$version}";
$version_parts = \explode('.', $version);
if ((int) (10 <= $version_parts[0])) {
$major_version = $version_parts[0];
} else {
$major_version = \implode('.', [$version_parts[0], $version_parts[1]]);
}
//$this->prtrace(['pg_version' => pg_version($this->conn->_connectionID), 'version' => $version, 'major_version' => $major_version]);
// Detect version and choose appropriate database driver
if (\array_key_exists($major_version, $this->version_dictionary)) {
return $this->version_dictionary[$major_version];
}
/* All <7.4 versions are not supported */
// if major version is 7 or less and wasn't cought in the
// switch/case block, we have an unsupported version.
if (8 > (int) \mb_substr($version, 0, 1)) {
return null;
}
// If unknown version, then default to latest driver
return 'Postgres';
}
/**
* Get the last error in the connection.
*
* @return string Error string
*/
public function getLastError()
{
return \pg_last_error($this->conn->_connectionID);
}
}
|
