noVNC/include/web-socket-js/flash-src/WebSocketMain.as

95 lines
2.7 KiB
ActionScript

// Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
// License: New BSD License
// Reference: http://dev.w3.org/html5/websockets/
// Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol-31
package {
import flash.display.*;
import flash.events.*;
import flash.external.*;
import flash.net.*;
import flash.system.*;
import flash.utils.*;
import mx.core.*;
import mx.controls.*;
import mx.events.*;
import mx.utils.*;
import bridge.FABridge;
public class WebSocketMain extends Sprite {
private var policyLoaded:Boolean = false;
private var callerUrl:String;
private var debug:Boolean = false;
public function WebSocketMain() {
// This is to avoid "You are trying to call recursively into the Flash Player ..."
// error which (I heard) happens when you pass bunch of messages.
// This workaround was written here:
// http://www.themorphicgroup.com/blog/2009/02/14/fabridge-error-you-are-trying-to-call-recursively-into-the-flash-player-which-is-not-allowed/
FABridge.EventsToCallLater["flash.events::Event"] = "true";
FABridge.EventsToCallLater["WebSocketMessageEvent"] = "true";
FABridge.EventsToCallLater["WebSocketStateEvent"] = "true";
var fab:FABridge = new FABridge();
fab.rootObject = this;
//log("Flash initialized");
}
public function setCallerUrl(url:String):void {
callerUrl = url;
}
public function setDebug(val:Boolean):void {
debug = val;
}
public function create(
url:String, protocol:String,
proxyHost:String = null, proxyPort:int = 0,
headers:String = null):WebSocket {
loadPolicyFile(null);
return new WebSocket(this, url, protocol, proxyHost, proxyPort, headers);
}
public function getOrigin():String {
return (URLUtil.getProtocol(this.callerUrl) + "://" +
URLUtil.getServerNameWithPort(this.callerUrl)).toLowerCase();
}
public function getCallerHost():String {
return URLUtil.getServerName(this.callerUrl);
}
public function loadPolicyFile(url:String):void {
if (policyLoaded && !url) return;
if (!url) {
url = "xmlsocket://" + URLUtil.getServerName(this.callerUrl) + ":843";
}
log("policy file: " + url);
Security.loadPolicyFile(url);
policyLoaded = true;
}
public function log(message:String):void {
if (debug) {
ExternalInterface.call("webSocketLog", encodeURIComponent("[WebSocket] " + message));
}
}
public function error(message:String):void {
ExternalInterface.call("webSocketError", encodeURIComponent("[WebSocket] " + message));
}
public function fatal(message:String):void {
ExternalInterface.call("webSocketError", encodeURIComponent("[WebSocket] " + message));
throw message;
}
}
}