commit 5ae83e1cc6ce4bd38958538bbdbecf955a6bfc65 Author: David Fifield <david@bamsoftware.com> Date: Mon May 30 21:18:16 2011 -0700 Use a URLLoader to query the HTTP facilitator. --- swfcat.as | 54 +++++++++++++++++++++++++++++------------------------- 1 files changed, 29 insertions(+), 25 deletions(-) diff --git a/swfcat.as b/swfcat.as index 05da498..130b061 100644 --- a/swfcat.as +++ b/swfcat.as @@ -6,6 +6,9 @@ package import flash.text.TextField; import flash.text.TextFormat; import flash.net.Socket; + import flash.net.URLLoader; + import flash.net.URLLoaderDataFormat; + import flash.net.URLRequest; import flash.events.Event; import flash.events.IOErrorEvent; import flash.events.ProgressEvent; @@ -36,9 +39,6 @@ package // Seconds. private const RATE_LIMIT_HISTORY:Number = 5.0; - // Socket to facilitator. - private var s_f:Socket; - /* TextField for debug output. */ private var output_text:TextField; @@ -183,45 +183,49 @@ package /* The main logic begins here, after start-up issues are taken care of. */ private function main():void { + var fac_url:String; + var loader:URLLoader; + if (num_proxy_pairs >= MAX_NUM_PROXY_PAIRS) { setTimeout(main, FACILITATOR_POLL_INTERVAL); return; } - s_f = new Socket(); - - s_f.addEventListener(Event.CONNECT, fac_connected); - s_f.addEventListener(Event.CLOSE, function (e:Event):void { - puts("Facilitator: closed connection."); - setTimeout(main, FACILITATOR_POLL_INTERVAL); - }); - s_f.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { + loader = new URLLoader(); + /* Get the x-www-form-urlencoded values. */ + loader.dataFormat = URLLoaderDataFormat.VARIABLES; + loader.addEventListener(Event.COMPLETE, fac_complete); + loader.addEventListener(IOErrorEvent.IO_ERROR, function (e:IOErrorEvent):void { puts("Facilitator: I/O error: " + e.text + "."); }); - s_f.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { + loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, function (e:SecurityErrorEvent):void { puts("Facilitator: security error: " + e.text + "."); }); - puts("Facilitator: connecting to " + fac_addr.host + ":" + fac_addr.port + "."); - s_f.connect(fac_addr.host, fac_addr.port); - } - - private function fac_connected(e:Event):void - { - puts("Facilitator: connected."); - - s_f.addEventListener(ProgressEvent.SOCKET_DATA, fac_data); - - s_f.writeUTFBytes("GET / HTTP/1.0\r\n\r\n"); + fac_url = "http://" + encodeURIComponent(fac_addr.host) + + ":" + encodeURIComponent(fac_addr.port) + "/"; + puts("Facilitator: connecting to " + fac_url + "."); + loader.load(new URLRequest(fac_url)); } - private function fac_data(e:ProgressEvent):void + private function fac_complete(e:Event):void { + var loader:URLLoader; var client_spec:String; var client_addr:Object; var proxy_pair:Object; - client_spec = s_f.readMultiByte(e.bytesLoaded, "utf-8"); + setTimeout(main, FACILITATOR_POLL_INTERVAL); + + loader = e.target as URLLoader; + client_spec = loader.data.client; + if (client_spec == "") { + puts("No clients."); + return; + } else if (!client_spec) { + puts("Error: missing \"client\" in response."); + return; + } puts("Facilitator: got \"" + client_spec + "\"."); client_addr = parse_addr_spec(client_spec);