Add isConnected and isAuthenticated properties

lib/imap.js

@@ -44,6 +44,7 @@ function ImapConnection (options) {
     connTimeout: 10000, // connection timeout in msecs
     debug: false
   };
+
   this._state = {
     status: STATES.NOCONNECT,
     conn: null,
@@ -89,9 +90,12 @@ function ImapConnection (options) {
     this.debug = this._options.debug;
   else
     this.debug = false;
+
   this.delimiter = undefined;
   this.namespaces = { personal: [], other: [], shared: [] };
   this.capabilities = [];
+  this.isConnected = false;
+  this.isAuthenticated = false;
 }
 
 inherits(ImapConnection, EventEmitter);
@@ -119,12 +123,16 @@ ImapConnection.prototype.connect = function(loginCb) {
 
   state.conn.on('connect', function() {
     clearTimeout(state.tmrConn);
+    state.isConnected = true;
+    state.isAuthenticated = false;
     self.debug&&self.debug('[connection] Connected to host.');
     state.conn.cleartext.write('');
     state.status = STATES.NOAUTH;
   });
 
   state.conn.on('end', function() {
+    state.isConnected = false;
+    state.isAuthenticated = false;
     self.debug&&self.debug('[connection] FIN packet received. Disconnecting...');
     self.emit('end');
   });
@@ -142,6 +150,8 @@ ImapConnection.prototype.connect = function(loginCb) {
   state.conn.on('close', function(had_error) {
     self._reset();
     requests = state.requests;
+    state.isConnected = false;
+    state.isAuthenticated = false;
     self.debug&&self.debug('[connection] Connection closed.');
     self.emit('close', had_error);
   });
@@ -498,6 +508,7 @@ ImapConnection.prototype.connect = function(loginCb) {
             break;
           case 'PREAUTH':
             state.status = STATES.AUTH;
+            state.isAuthenticated = true;
             if (state.numCapRecvs === 0)
               state.numCapRecvs = 1;
             break;
@@ -1188,6 +1199,7 @@ ImapConnection.prototype._login = function(cb) {
       fnReturn = function(err) {
         if (!err) {
           self._state.status = STATES.AUTH;
+          self._state.isAuthenticated = true;
           if (self._state.numCapRecvs !== 2) {
             // fetch post-auth server capabilities if they were not
             // automatically provided after login