/**
* @brief connects to migration.db, or creates if not found
* @param $db optional path to migration.db, defaults to user data dir
* @return bool whether the operation was successful
*/
private static function connectDB($path = null)
{
// Has the dbpath been set?
self::$dbpath = !is_null($path) ? $path : self::$dbpath;
if (!self::$dbpath) {
OC_Log::write('migration', 'connectDB() was called without dbpath being set', OC_Log::ERROR);
return false;
}
// Already connected
if (!self::$MDB2) {
require_once 'MDB2.php';
$datadir = OC_Config::getValue("datadirectory", OC::$SERVERROOT . "/data");
// DB type
if (class_exists('SQLite3')) {
$dbtype = 'sqlite3';
} else {
if (is_callable('sqlite_open')) {
$dbtype = 'sqlite';
} else {
OC_Log::write('migration', 'SQLite not found', OC_Log::ERROR);
return false;
}
}
// Prepare options array
$options = array('portability' => MDB2_PORTABILITY_ALL & !MDB2_PORTABILITY_FIX_CASE, 'log_line_break' => '<br>', 'idxname_format' => '%s', 'debug' => true, 'quote_identifier' => true);
$dsn = array('phptype' => $dbtype, 'database' => self::$dbpath, 'mode' => '0644');
// Try to establish connection
self::$MDB2 = MDB2::factory($dsn, $options);
// Die if we could not connect
if (PEAR::isError(self::$MDB2)) {
die(self::$MDB2->getMessage());
OC_Log::write('migration', 'Failed to create/connect to migration.db', OC_Log::FATAL);
OC_Log::write('migration', self::$MDB2->getUserInfo(), OC_Log::FATAL);
OC_Log::write('migration', self::$MDB2->getMessage(), OC_Log::FATAL);
return false;
}
// We always, really always want associative arrays
self::$MDB2->setFetchMode(MDB2_FETCHMODE_ASSOC);
}
return true;
}
