Added PostFrame, extract eventargs

2016-06-16 15:16:29 +08:00
parent dcdd941f3b
commit cd2cce7e98
5 changed files with 162 additions and 31 deletions
@@ -0,0 +1,91 @@
+"use strict";
+
+var cl = global.botanLoader;
+var Dragonfly = global.Dragonfly;
+
+var PostRequestEventArgs = cl.load( "botanss.net.events.PostRequest" );
+var EventEmitter = require( "events" ).EventEmitter;
+
+class PostFrame extends EventEmitter
+{
+	constructor( Http )
+	{
+		super();
+		this.HTTP = Http;
+		this.result = "Error: PostFrame is unhandled";
+		this.planted = false;
+	}
+
+	run()
+	{
+		var _self = this;
+		var requestStr = "";
+
+		if( this.HTTP.request.isPost )
+		{
+			var Req = this.HTTP.request.raw;
+
+			var ReceiveData = function( data )
+			{
+				requestStr += data + "";
+				if( 51200 < requestStr.length )
+				{
+					_self.result = "The size of request is too big ( 500KB < )";
+					Req.removeListener( "data", ReceiveData );
+					Req.removeListener( "end", ReceiveEnd );
+
+					_self.plantResult();
+				}
+			};
+
+			var ReceiveEnd = function()
+			{
+				var EventArgs = new PostRequestEventArgs( requestStr );
+
+				_self.emit( "PostRequest", this, EventArgs );
+				if( !EventArgs.Handled )
+				{
+					_self.result = "Error: Unhandled Request";
+					_self.plantResult();
+				}
+			};
+
+			Req.addListener( "data", ReceiveData );
+			Req.addListener( "end", ReceiveEnd );
+			return;
+		}
+		else
+		{
+			Dragonfly.Info(
+				"GET: " + encodeURI( this.HTTP.request.raw.url )
+				+ " - " + this.HTTP.request.raw.headers["user-agent"]
+				, Dragonfly.Visibility.VISIBLE
+			);
+		}
+
+		this.plantResult();
+	}
+
+	plantResult()
+	{
+		if( !this.planted )
+		{
+			this.planted = true;
+			if( this.HTTP )
+			{
+				if( !( this.result instanceof Buffer ) )
+				{
+					this.result = String( this.result );
+				}
+
+				this.HTTP.response.headers["Content-Type"] = "text/plain";
+				this.HTTP.response.headers["Content-Length"] = this.result.length;
+				this.HTTP.response.write( this.result );
+				this.HTTP.response.end();
+			}
+
+		}
+	}
+}
+
+module.exports = PostFrame;