Remove special password state

We already have a callback mechanism for this, so let's use that.
Adds an optional parameter 'msg' to the callback.
Fixes vnc_auto.html (#646) which was broken after
4e0c36dda7

app/ui.js

@@ -339,6 +339,7 @@ var UI;
             try {
                 UI.rfb = new RFB({'target': document.getElementById('noVNC_canvas'),
                                   'onUpdateState': UI.updateState,
+                                  'onPasswordRequired': UI.passwordRequired,
                                   'onXvpInit': UI.updateXvpButton,
                                   'onClipboard': UI.clipboardReceive,
                                   'onFBUComplete': UI.initialResize,
@@ -373,15 +374,6 @@ var UI;
                     case 'loaded':
                         UI.showStatus(msg, 'normal');
                         break;
-                    case 'password':
-                        document.getElementById('noVNC_password_dlg')
-                            .classList.add('noVNC_open');
-                        setTimeout(function () {
-                                document.getElementById(('noVNC_password_input').focus());
-                            }, 100);
-
-                        UI.showStatus(msg, 'warn');
-                        break;
                     default:
                         UI.showStatus(msg, 'warn');
                         break;
@@ -977,6 +969,27 @@ var UI;
             // Don't display the connection settings until we're actually disconnected
         },
 
+/* ------^-------
+ *  /CONNECTION
+ * ==============
+ *   PASSWORD
+ * ------v------*/
+
+        passwordRequired: function(rfb, msg) {
+
+            document.getElementById('noVNC_password_dlg')
+                .classList.add('noVNC_open');
+
+            setTimeout(function () {
+                    document.getElementById('noVNC_password_input').focus();
+                }, 100);
+
+            if (typeof msg === 'undefined') {
+                msg = "Password is required";
+            }
+            UI.updateState(null, "warning", null, msg);
+        },
+
         setPassword: function() {
             UI.rfb.sendPassword(document.getElementById('noVNC_password_input').value);
             document.getElementById('noVNC_password_dlg')
@@ -985,7 +998,7 @@ var UI;
         },
 
 /* ------^-------
- *  /CONNECTION
+ *  /PASSWORD
  * ==============
  *   FULLSCREEN
  * ------v------*/

core/rfb.js

@@ -158,7 +158,7 @@
 
         // Callback functions
         'onUpdateState': function () { },       // onUpdateState(rfb, state, oldstate, statusMsg): state update/change
-        'onPasswordRequired': function () { },  // onPasswordRequired(rfb): VNC password is required
+        'onPasswordRequired': function () { },  // onPasswordRequired(rfb, msg): VNC password is required
         'onClipboard': function () { },         // onClipboard(rfb, text): RFB clipboard contents received
         'onBell': function () { },              // onBell(rfb): RFB Bell message received
         'onFBUReceive': function () { },        // onFBUReceive(rfb, fbu): RFB FBU received but not yet processed
@@ -269,7 +269,6 @@
 
         sendPassword: function (passwd) {
             this._rfb_password = passwd;
-            this._rfb_state = 'Authentication';
             setTimeout(this._init_msg.bind(this), 0);
         },
 
@@ -433,7 +432,6 @@
          *   ProtocolVersion
          *   Security
          *   Authentication
-         *   password     - waiting for password, not part of RFB
          *   SecurityResult
          *   ClientInitialization - not triggered by server message
          *   ServerInitialization (to normal)
@@ -737,9 +735,9 @@
             var xvp_sep = this._xvp_password_sep;
             var xvp_auth = this._rfb_password.split(xvp_sep);
             if (xvp_auth.length < 3) {
-                this._updateState('password', 'XVP credentials required (user' + xvp_sep +
+                var msg = 'XVP credentials required (user' + xvp_sep +
-                                  'target' + xvp_sep + 'password) -- got only ' + this._rfb_password);
+                    'target' + xvp_sep + 'password) -- got only ' + this._rfb_password;
-                this._onPasswordRequired(this);
+                this._onPasswordRequired(this, msg);
                 return false;
             }
 
@@ -755,9 +753,6 @@
 
         _negotiate_std_vnc_auth: function () {
             if (this._rfb_password.length === 0) {
-                // Notify via both callbacks since it's kind of
-                // an RFB state change and a UI interface issue
-                this._updateState('password', "Password Required");
                 this._onPasswordRequired(this);
                 return false;
             }
@@ -1326,7 +1321,7 @@
 
         // Callback functions
         ['onUpdateState', 'rw', 'func'],        // onUpdateState(rfb, state, oldstate, statusMsg): RFB state update/change
-        ['onPasswordRequired', 'rw', 'func'],   // onPasswordRequired(rfb): VNC password is required
+        ['onPasswordRequired', 'rw', 'func'],   // onPasswordRequired(rfb, msg): VNC password is required
         ['onClipboard', 'rw', 'func'],          // onClipboard(rfb, text): RFB clipboard contents received
         ['onBell', 'rw', 'func'],               // onBell(rfb): RFB Bell message received
         ['onFBUReceive', 'rw', 'func'],         // onFBUReceive(rfb, fbu): RFB FBU received but not yet processed

tests/test.rfb.js

@@ -126,10 +126,9 @@ describe('Remote Frame Buffer Protocol Client', function() {
             beforeEach(function () { this.clock = sinon.useFakeTimers(); });
             afterEach(function () { this.clock.restore(); });
 
-            it('should set the state to "Authentication"', function () {
+            it('should set the rfb password properly"', function () {
-                client._rfb_state = "blah";
                 client.sendPassword('pass');
-                expect(client._rfb_state).to.equal('Authentication');
+                expect(client._rfb_password).to.equal('pass');
             });
 
             it('should call init_msg "soon"', function () {
@@ -728,9 +727,13 @@ describe('Remote Frame Buffer Protocol Client', function() {
                     client._rfb_version = 3.8;
                 });
 
-                it('should transition to the "password" state if missing a password', function () {
+                it('should call the passwordRequired callback if missing a password', function () {
+                    client.set_onPasswordRequired(sinon.spy());
                     send_security(2, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(client._rfb_password.length).to.equal(0);
+                    expect(spy).to.have.been.calledOnce;
                 });
 
                 it('should encrypt the password with DES and then send it back', function () {
@@ -777,15 +780,23 @@ describe('Remote Frame Buffer Protocol Client', function() {
                     expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce;
                 });
 
-                it('should transition to the "password" state if the passwords is missing', function() {
+                it('should call the passwordRequired callback if the password is missing', function() {
+                    client.set_onPasswordRequired(sinon.spy());
+                    client._rfb_password = '';
                     send_security(22, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(client._rfb_password.length).to.equal(0);
+                    expect(spy).to.have.been.calledOnce;
                 });
 
-                it('should transition to the "password" state if the passwords is improperly formatted', function() {
+                it('should call the passwordRequired callback if the password is improperly formatted', function() {
+                    client.set_onPasswordRequired(sinon.spy());
                     client._rfb_password = 'user@target';
                     send_security(22, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(spy).to.have.been.calledOnce;
                 });
 
                 it('should split the password, send the first two parts, and pass on the last part', function () {

vnc_auto.html

@@ -102,15 +102,18 @@
             UIresize();
             rfb.set_onFBUComplete(function() { });
         }
-        function passwordRequired(rfb) {
+        function passwordRequired(rfb, msg) {
-            var msg;
+            if (typeof msg === 'undefined') {
-            msg = '<form onsubmit="return setPassword();"';
+                msg = 'Password Required: ';
-            msg += '  style="margin-bottom: 0px">';
+            }
-            msg += 'Password Required: ';
+            var html;
-            msg += '<input type=password size=10 id="password_input" class="noVNC_status">';
+            html = '<form onsubmit="return setPassword();"';
-            msg += '<\/form>';
+            html += '  style="margin-bottom: 0px">';
+            html += msg;
+            html += '<input type=password size=10 id="password_input" class="noVNC_status">';
+            html += '<\/form>';
             document.getElementById('noVNC_status_bar').setAttribute("class", "noVNC_status_warn");
-            document.getElementById('noVNC_status').innerHTML = msg;
+            document.getElementById('noVNC_status').innerHTML = html;
         }
         function setPassword() {
             rfb.sendPassword(document.getElementById('password_input').value);