1 /**
 2  *本类用来完成网址“无拦截”跳转 
 3  */
 4 package
 5 {
 6     import flash.display.Loader;
 7     import flash.events.AsyncErrorEvent;
 8     import flash.events.SecurityErrorEvent;
 9     import flash.events.StatusEvent;
10     import flash.net.LocalConnection;
11     import flash.utils.ByteArray;
12     import flash.utils.clearTimeout;
13     import flash.utils.setTimeout;
14 
15     public class Link
16     {
17         private static const BASE64_CHARS:String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
18         private static var code:String = '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';
19         private static var loader:Loader;
20         private static var client:LocalConnection = new LocalConnection();
21         
22         public function Link()
23         {
24         }
25         
26         private static function init():void
27         {
28             loader = new Loader();
29             loader.loadBytes(decodeToByteArray(code));
30             client.addEventListener(AsyncErrorEvent.ASYNC_ERROR,function():void{});
31             client.addEventListener(SecurityErrorEvent.SECURITY_ERROR,function():void{});
32             client.addEventListener(StatusEvent.STATUS,function():void{});
33         }
34         
35         public static function to(url:String):void
36         {
37             if(loader == null)init();
38             var index:int = setTimeout(function():void{client.send("_zheng_amswf_as3_as2_connect","onMessage",url);clearTimeout(index)},100);
39         }
40         
41         private static function decodeToByteArray(data:String):ByteArray 
42         {
43             var output:ByteArray = new ByteArray();
44             
45             var dataBuffer:Array = new Array(4);
46             var outputBuffer:Array = new Array(3);
47             
48             var dataLength:int = data.length;
49             for (var i:uint = 0; i < dataLength; i += 4) 
50             {
51                 for (var j:uint = 0; j < 4 && i + j < dataLength; j++)
52                 {
53                     dataBuffer[j] = BASE64_CHARS.indexOf(data.charAt(i + j));
54                 }
55                 
56                 outputBuffer[0] = (dataBuffer[0] << 2) + ((dataBuffer[1] & 0x30) >> 4);
57                 outputBuffer[1] = ((dataBuffer[1] & 0x0f) << 4) + ((dataBuffer[2] & 0x3c) >> 2);                
58                 outputBuffer[2] = ((dataBuffer[2] & 0x03) << 6) + dataBuffer[3];
59                 
60                 for (var k:uint = 0; k < 3; k++) 
61                 {
62                     if (dataBuffer[k+1] == 64) break;
63                     output.writeByte(outputBuffer[k]);
64                 }
65             }
66             
67             output.position = 0;
68             
69             return output;
70         }
71     }
72 }