If you have the symbol manifest you could recover a decent amount of
information. Though, the only hooks for that are for deobfuscating
individual stack traces on the server.
If I understand your situation correctly, it's as if someone handed you a
compiled object file with debugging symbols stripped, and now they are
asking you to write new code on top of that. If you have the symbol
manifest, then it's closer to an unstripped object file.
The short answer: unless you can get access to the original source, a
rewrite is probably in order.
On Wed, Jun 22, 2011 at 6:17 PM, Jim Douglas jdou...@basis.com wrote:
Without the original source, this will be a rewrite. At best, GWT-
generated JavaScript is helpful for debugging IFF it was generated
with output style detailed or pretty. Even in this scenario, it's not
practical to attempt to reverse-engineer the original Java source.
And there's almost no chance that's what you have; it's almost
certainly generated with output style obfuscated, which makes it
completely indecipherable.
On Jun 22, 2:52 pm, Nathan Klatt n8kl...@gmail.com wrote:
I don't have much hope for this but is there any way to recover something
reasonably approaching the original source of a GWT project given the
generated class, html, JavaScript, etc files?
A client has given us the generated web application but does not have
access
to the original source and the original developers are unavailable. (Yes,
this makes me nervous and, no, I don't know the full circumstances, but
I'm
not the one calling the shots here.)
If we can get it to a working state, we will probably continue pressing
on
with it as a GWT application. Otherwise, we will write it from scratch
which
means back to the PHP dungeon for me.
I have played around with decompiling the class files but I suspect a
significant chunk of the client code remains hiding in the JavaScript, is
that correct? How difficult will that be to replicate?
Can anyone offer some hope here?
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