var types = this._sock.rQshiftBytes(num_types);
Util.Debug("Server security types: " + types);
+ // Polyfill since IE and PhantomJS doesn't have
+ // TypedArray.includes()
+ function includes(item, array) {
+ for (var i = 0; i < array.length; i++) {
+ if (array[i] === item) {
+ return true;
+ }
+ }
+ return false;
+ }
+
// Look for each auth in preferred order
this._rfb_auth_scheme = 0;
- if (types.indexOf(1) !== -1) {
+ if (includes(1, types)) {
this._rfb_auth_scheme = 1; // None
- } else if (types.indexOf(22) !== -1) {
+ } else if (includes(22, types)) {
this._rfb_auth_scheme = 22; // XVP
- } else if (types.indexOf(16) !== -1) {
+ } else if (includes(16, types)) {
this._rfb_auth_scheme = 16; // Tight
- } else if (types.indexOf(2) !== -1) {
+ } else if (includes(2, types)) {
this._rfb_auth_scheme = 2; // VNC Auth
} else {
return this._fail("Unsupported server",
expect(client._rfb_auth_scheme).to.equal(auth_scheme);
});
+ it('should prefer no authentication is possible', function () {
+ client._rfb_version = 3.7;
+ var auth_schemes = [2, 1, 3];
+ client._sock._websocket._receive_data(auth_schemes);
+ expect(client._rfb_auth_scheme).to.equal(1);
+ expect(client._sock).to.have.sent(new Uint8Array([1, 1]));
+ });
+
it('should choose for the most prefered scheme possible for versions >= 3.7', function () {
client._rfb_version = 3.7;
- var auth_schemes = [2, 1, 2];
+ var auth_schemes = [2, 22, 16];
client._sock._websocket._receive_data(auth_schemes);
- expect(client._rfb_auth_scheme).to.equal(2);
- expect(client._sock).to.have.sent(new Uint8Array([2]));
+ expect(client._rfb_auth_scheme).to.equal(22);
+ expect(client._sock).to.have.sent(new Uint8Array([22]));
});
it('should fail if there are no supported schemes for versions >= 3.7', function () {