I've done something like this in the past:
if(_root._url.indexOf('file://') != -1 || _root._url.indexOf
('yourdomain.com') == -1) {
_visible = false;
}
Sure you can still decompile it, but depending on what's in the SWF,
that's probably beyond the expertise or level of patience of most
people.
-josh
On Jun 8, 2006, at 5:07p, Steve Krichten wrote:
This really is not effective. Ultimately the swf still ends up
getting sent to the client when the application is used. Then that
user can get the swf out of thier cache and decompile it to grab
the assets. As Tom explained, If your app loads external swf's you
cannot protect them, you can only make them a little more difficult
to access.
-Steve
-----------------------------------------------
Naz wrote:
Yo. Adding scripts that do the following to each of your map
content swfs should solve your problem: 1) Create an if-then
statement that checks for a variable that your map loader swf will
set. If this variable is not set to the proper value that your
loader/viewer swf sets, make the map swf do sometjing ugly like
turn invisible or something ;-P (._alpha=0;) *oh, set these
variables to something else when the map .swf first loads, then
have them communicate and request for the proper value from the
loader swf upon completion of loading. This is so people who've
decrypted the urls can't enter "http://yourdomain.com/mapName.swf?
variableToCheck=properValue" <http://yourdomain.com/mapName.swf?
variableToCheck=properValue%22> manually in the browser's url
field. 2) Have each map .swf check whether it is loading from the
proper url. If not, disable displaying it.
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