?/*
*?ForcibleLoader*?*?Licensed?under?the?MIT?License*?Copyright?(c)?2007-2009?BeInteractive!?(www.be-interactive.org)?and*?????????????????????????Spark?project??(www.libspark.org)*?Permission?is?hereby?granted,?free?of?charge,?to?any?person?obtaining?a?copy*?of?this?software?and?associated?documentation?files?(the?"Software"),?to?deal*?in?the?Software?without?restriction,?including?without?limitation?the?rights*?to?use,?copy,?modify,?merge,?publish,?distribute,?sublicense,?and/or?sell*?copies?of?the?Software,?and?to?permit?persons?to?whom?the?Software?is*?furnished?to?do?so,?subject?to?the?following?conditions:*?The?above?copyright?notice?and?this?permission?notice?shall?be?included?in*?all?copies?or?substantial?portions?of?the?Software.*?THE?SOFTWARE?IS?PROVIDED?"AS?IS",?WITHOUT?WARRANTY?OF?ANY?KIND,?EXPRESS?OR*?IMPLIED,?INCLUDING?BUT?NOT?LIMITED?TO?THE?WARRANTIES?OF?MERCHANTABILITY,*?FITNESS?FOR?A?PARTICULAR?PURPOSE?AND?NONINFRINGEMENT.?IN?NO?EVENT?SHALL?THE*?AUTHORS?OR?COPYRIGHT?HOLDERS?BE?LIABLE?FOR?ANY?CLAIM,?DAMAGES?OR?OTHER*?LIABILITY,?WHETHER?IN?AN?ACTION?OF?CONTRACT,?TORT?OR?OTHERWISE,?ARISING?FROM,102); font-family: monospace; font-size: 14px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">*?OUT?OF?OR?IN?CONNECTION?WITH?THE?SOFTWARE?OR?THE?USE?OR?OTHER?DEALINGS?IN*?THE?SOFTWARE.*/package{import?flash.display.Loader;import?flash.net.URLRequest;import?flash.net.URLStream;import?flash.events.IOErrorEvent;import?flash.events.SecurityErrorEvent;import?flash.events.Event;import?flash.utils.ByteArray;import?flash.utils.Endian;import?flash.errors.EOFError;/***?Loads?a?SWF?file?as?version?9?format?forcibly?even?if?version?is?under?9.*?Usage:*?<pre>*?var?loader:Loader?=?Loader(addChild(new?Loader()));*?var?fLoader:ForcibleLoader?=?new?ForcibleLoader(loader);*?fLoader.load(new?URLRequest('swf7.swf'));*?</pre>*?@author?yossy:beinteractive*?@see?http://www.be-interactive.org/?itemid=250*?@see?http://fladdict.net/blog/2007/05/avm2avm1swf.htmlpublic?class?ForcibleLoaderpublic?function?ForcibleLoader(loader:Loader)this.loader?=?loader;_stream?=?new?URLStream();_stream.addEventListener(Event.COMPLETE,?completeHandler);_stream.addEventListener(IOErrorEvent.IO_ERROR,?ioErrorHandler);_stream.addEventListener(SecurityErrorEvent.SECURITY_ERROR,?securityErrorHandler);}private?var?_loader:Loader;private?var?_stream:URLStream;public?function?get?loader():Loaderreturn?_loader;public?function?set?loader(value:Loader):void_loader?=?value;public?function?load(request:URLRequest):void_stream.load(request);private?function?completeHandler(event:Event):voidvar?inputBytes:ByteArray?=?new?ByteArray();_stream.readBytes(inputBytes);_stream.close();inputBytes.endian?=?Endian.LITTLE_ENDIAN;if?(isCompressed(inputBytes))?{uncompress(inputBytes);var?version:uint?=?uint(inputBytes[3]);if?(version?<?9)?{updateVersion(inputBytes,?9);if?(version?>?7)?{flagSWF9Bit(inputBytes);else?{insertFileAttributesTag(inputBytes);loader.loadBytes(inputBytes);private?function?isCompressed(bytes:ByteArray):Booleanreturn?bytes[0]?==?0x43;private?function?uncompress(bytes:ByteArray):voidvar?cBytes:ByteArray?=?new?ByteArray();cBytes.writeBytes(bytes,?8);bytes.length?=?8;bytes.position?=?8;cBytes.uncompress();bytes.writeBytes(cBytes);bytes[0]?=?0x46;cBytes.length?=?0;private?function?getBodyPosition(bytes:ByteArray):uintvar?result:uint?=?0;result?+=?3;?//?FWS/CWSresult?+=?1;?//?version(byte)result?+=?4;?//?length(32bit-uint)var?rectNBits:uint?=?bytes[result]?>>>?3;result?+=?(5?+?rectNBits?*?4)?/?8;?//?stage(rect)result?+=?2;result?+=?1;?//?frameRate(byte)result?+=?2;?//?totalFrames(16bit-uint)return?result;private?function?findFileAttributesPosition(offset:uint,?bytes:ByteArray):uintbytes.position?=?offset;try?{for?(;;)?{var?byte:uint?=?bytes.readShort();var?tag:uint?=?byte?>>>?6;if?(tag?==?69)?{return?bytes.position?-?2;var?length:uint?=?byte?&?0x3f;if?(length?==?0x3f)?{length?=?bytes.readInt();bytes.position?+=?length;catch?(e:EOFError)?{return?NaN;private?function?flagSWF9Bit(bytes:ByteArray):voidvar?pos:uint?=?findFileAttributesPosition(getBodyPosition(bytes),?bytes);if?(!isNaN(pos))?{bytes[pos?+?2]?|=?0x08;private?function?insertFileAttributesTag(bytes:ByteArray):voidvar?pos:uint?=?getBodyPosition(bytes);var?afterBytes:ByteArray?=?new?ByteArray();afterBytes.writeBytes(bytes,?pos);bytes.length?=?pos;bytes.position?=?pos;bytes.writeByte(0x44);bytes.writeByte(0x11);bytes.writeByte(0x08);bytes.writeByte(0x00);bytes.writeBytes(afterBytes);afterBytes.length?=?0;private?function?updateVersion(bytes:ByteArray,?version:uint):voidbytes[3]?=?version;private?function?ioErrorHandler(event:IOErrorEvent):voidloader.contentLoaderInfo.dispatchEvent(event.clone());private?function?securityErrorHandler(event:SecurityErrorEvent):void}
