X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/04b05946ab640eaf9135a73772b704dd41c323e7..717c14c014e3c988bcb392599a47ffa92630da78:/platforma/static/filebrowser/uploadify/com/adobe/net/proxies/.svn/text-base/RFC2817Socket.as.svn-base diff --git a/platforma/static/filebrowser/uploadify/com/adobe/net/proxies/.svn/text-base/RFC2817Socket.as.svn-base b/platforma/static/filebrowser/uploadify/com/adobe/net/proxies/.svn/text-base/RFC2817Socket.as.svn-base new file mode 100644 index 00000000..e73e9e7d --- /dev/null +++ b/platforma/static/filebrowser/uploadify/com/adobe/net/proxies/.svn/text-base/RFC2817Socket.as.svn-base @@ -0,0 +1,198 @@ +/* + Copyright (c) 2008, Adobe Systems Incorporated + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + * Neither the name of Adobe Systems Incorporated nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +package com.adobe.net.proxies +{ + import flash.events.Event; + import flash.events.IOErrorEvent; + import flash.events.ProgressEvent; + import flash.net.Socket; + + /** + * This class allows TCP socket connections through HTTP proxies in accordance with + * RFC 2817: + * + * ftp://ftp.rfc-editor.org/in-notes/rfc2817.txt + * + * It can also be used to make direct connections to a destination, as well. If you + * pass the host and port into the constructor, no proxy will be used. You can also + * call connect, passing in the host and the port, and if you didn't set the proxy + * info, a direct connection will be made. A proxy is only used after you have called + * the setProxyInfo function. + * + * The connection to and negotiation with the proxy is completely hidden. All the + * same events are thrown whether you are using a proxy or not, and the data you + * receive from the target server will look exact as it would if you were connected + * to it directly rather than through a proxy. + * + * @author Christian Cantrell + * + **/ + public class RFC2817Socket + extends Socket + { + private var proxyHost:String = null; + private var host:String = null; + private var proxyPort:int = 0; + private var port:int = 0; + private var deferredEventHandlers:Object = new Object(); + private var buffer:String = new String(); + + /** + * Construct a new RFC2817Socket object. If you pass in the host and the port, + * no proxy will be used. If you want to use a proxy, instantiate with no + * arguments, call setProxyInfo, then call connect. + **/ + public function RFC2817Socket(host:String = null, port:int = 0) + { + super(host, port); + } + + /** + * Set the proxy host and port number. Your connection will only proxied if + * this function has been called. + **/ + public function setProxyInfo(host:String, port:int):void + { + this.proxyHost = host; + this.proxyPort = port; + + var deferredSocketDataHandler:Object = this.deferredEventHandlers[ProgressEvent.SOCKET_DATA]; + var deferredConnectHandler:Object = this.deferredEventHandlers[Event.CONNECT]; + + if (deferredSocketDataHandler != null) + { + super.removeEventListener(ProgressEvent.SOCKET_DATA, deferredSocketDataHandler.listener, deferredSocketDataHandler.useCapture); + } + + if (deferredConnectHandler != null) + { + super.removeEventListener(Event.CONNECT, deferredConnectHandler.listener, deferredConnectHandler.useCapture); + } + } + + /** + * Connect to the specified host over the specified port. If you want your + * connection proxied, call the setProxyInfo function first. + **/ + public override function connect(host:String, port:int):void + { + if (this.proxyHost == null) + { + this.redirectConnectEvent(); + this.redirectSocketDataEvent(); + super.connect(host, port); + } + else + { + this.host = host; + this.port = port; + super.addEventListener(Event.CONNECT, this.onConnect); + super.addEventListener(ProgressEvent.SOCKET_DATA, this.onSocketData); + super.connect(this.proxyHost, this.proxyPort); + } + } + + private function onConnect(event:Event):void + { + this.writeUTFBytes("CONNECT "+this.host+":"+this.port+" HTTP/1.1\n\n"); + this.flush(); + this.redirectConnectEvent(); + } + + private function onSocketData(event:ProgressEvent):void + { + while (this.bytesAvailable != 0) + { + this.buffer += this.readUTFBytes(1); + if (this.buffer.search(/\r?\n\r?\n$/) != -1) + { + this.checkResponse(event); + break; + } + } + } + + private function checkResponse(event:ProgressEvent):void + { + var responseCode:String = this.buffer.substr(this.buffer.indexOf(" ")+1, 3); + + if (responseCode.search(/^2/) == -1) + { + var ioError:IOErrorEvent = new IOErrorEvent(IOErrorEvent.IO_ERROR); + ioError.text = "Error connecting to the proxy ["+this.proxyHost+"] on port ["+this.proxyPort+"]: " + this.buffer; + this.dispatchEvent(ioError); + } + else + { + this.redirectSocketDataEvent(); + this.dispatchEvent(new Event(Event.CONNECT)); + if (this.bytesAvailable > 0) + { + this.dispatchEvent(event); + } + } + this.buffer = null; + } + + private function redirectConnectEvent():void + { + super.removeEventListener(Event.CONNECT, onConnect); + var deferredEventHandler:Object = this.deferredEventHandlers[Event.CONNECT]; + if (deferredEventHandler != null) + { + super.addEventListener(Event.CONNECT, deferredEventHandler.listener, deferredEventHandler.useCapture, deferredEventHandler.priority, deferredEventHandler.useWeakReference); + } + } + + private function redirectSocketDataEvent():void + { + super.removeEventListener(ProgressEvent.SOCKET_DATA, onSocketData); + var deferredEventHandler:Object = this.deferredEventHandlers[ProgressEvent.SOCKET_DATA]; + if (deferredEventHandler != null) + { + super.addEventListener(ProgressEvent.SOCKET_DATA, deferredEventHandler.listener, deferredEventHandler.useCapture, deferredEventHandler.priority, deferredEventHandler.useWeakReference); + } + } + + public override function addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int=0.0, useWeakReference:Boolean=false):void + { + if (type == Event.CONNECT || type == ProgressEvent.SOCKET_DATA) + { + this.deferredEventHandlers[type] = {listener:listener,useCapture:useCapture, priority:priority, useWeakReference:useWeakReference}; + } + else + { + super.addEventListener(type, listener, useCapture, priority, useWeakReference); + } + } + } +} \ No newline at end of file