KeyRing.prototype.import = function(tar, passphrase, writeflag, callback) {
var self = this;
var read = fs.createReadStream(tar);
var parse = targz().createParseStream();
if (typeof writeflag === 'function') {
callback = writeflag;
writeflag = false;
}
function worker(entry, done) {
var key = path.basename(entry.path);
var keyPath = path.join(self._keyFolder, key);
if (!utils.existsSync(keyPath) || writeflag === true) {
var buf = '';
entry.on('data', function(data) {
buf += data;
});
entry.resume();
entry.on('end', function() {
var decrypted;
if (key === 'key.ring' || key === '.DS_Store') {
return entry.abort();
}
try {
decrypted = self._encrypt(
KeyRing.prototype._decrypt.call({ _pass: passphrase }, buf)
);
} catch (err) {
parse.removeAllListeners('end');
return callback(new Error('Failed to decrypt keyring'));
}
fs.writeFileSync(keyPath, decrypted, done);
});
}
}
parse.on('entry', worker).on('end', callback);
read.pipe(parse);
};
KeyRing.prototype.export = function(tar, callback) {
var read = targz().createReadStream(this._keyFolder);
var write = fs.createWriteStream(tar);
read.pipe(write).on('finish', callback).on('error', callback);
};