完成webtermial demo

static/js/wssh.js

@@ -0,0 +1,89 @@
+/*
+WSSH Javascript Client
+
+Usage:
+
+var client = new WSSHClient();
+
+client.connect({
+    // Connection and authentication parameters
+    username: 'root',
+    hostname: 'localhost',
+    authentication_method: 'password', // can either be password or private_key
+    password: 'secretpassword', // do not provide when using private_key
+    key_passphrase: 'secretpassphrase', // *may* be provided if the private_key is encrypted
+
+    // Callbacks
+    onError: function(error) {
+        // Called upon an error
+        console.error(error);
+    },
+    onConnect: function() {
+        // Called after a successful connection to the server
+        console.debug('Connected!');
+
+        client.send('ls\n'); // You can send data back to the server by using WSSHClient.send()
+    },
+    onClose: function() {
+        // Called when the remote closes the connection
+        console.debug('Connection Reset By Peer');
+    },
+    onData: function(data) {
+        // Called when data is received from the server
+        console.debug('Received: ' + data);
+    }
+});
+
+*/
+
+function WSSHClient() {
+};
+
+WSSHClient.prototype._generateEndpoint = function(options) {
+    console.log(options);
+    if (window.location.protocol == 'https:') {
+        var protocol = 'wss://';
+    } else {
+        var protocol = 'ws://';
+    }
+
+    var endpoint = protocol + window.location.host + ':8080' + '/terminal';
+    return endpoint;
+};
+
+WSSHClient.prototype.connect = function(options) {
+    var endpoint = this._generateEndpoint(options);
+
+    if (window.WebSocket) {
+        this._connection = new WebSocket(endpoint);
+    }
+    else if (window.MozWebSocket) {
+        this._connection = MozWebSocket(endpoint);
+    }
+    else {
+        options.onError('WebSocket Not Supported');
+        return ;
+    }
+
+    this._connection.onopen = function() {
+        options.onConnect();
+    };
+
+    this._connection.onmessage = function (evt) {
+        var data = JSON.parse(evt.data.toString());
+        if (data.error !== undefined) {
+            options.onError(data.error);
+        }
+        else {
+            options.onData(data.data);
+        }
+    };
+
+    this._connection.onclose = function(evt) {
+        options.onClose();
+    };
+};
+
+WSSHClient.prototype.send = function(data) {
+    this._connection.send(JSON.stringify({'data': data}));
+};