/**
* Obfuscates the file
*
* @throws IOException
* @throws org.gradle.api.InvalidUserDataException if the there is insufficient information
* available to generate the signature.
*/
void generate(ReobfExceptor exc, File srg) throws IOException {
File toObf = getToObf();
if (toObf == null) {
throw new InvalidUserDataException(
"Unable to obfuscate as the file to obfuscate has not been specified");
}
File output = getFile();
File excepted = new File(caller.getTemporaryDir(), "excepted.jar");
Files.copy(toObf, excepted);
// copy input somewhere else...
if (exc != null) {
exc.toReobfJar = toObf;
exc.buildSrg();
srg = exc.outSrg;
// append SRG
BufferedWriter writer = new BufferedWriter(new FileWriter(srg, true));
for (String line : caller.getExtraSrg()) {
writer.write(line);
writer.newLine();
}
writer.flush();
writer.close();
}
// obfuscate!
if (caller.getUseRetroGuard()) applyRetroGuard(excepted, output, srg);
else applySpecialSource(excepted, output, srg);
}
private void applyRetroGuard(File input, File output, File srg) throws IOException {
File cfg = new File(caller.getTemporaryDir(), "retroguard.cfg");
generateRgConfig(cfg, input, output, srg);
String[] args = new String[] {"-notch", cfg.getCanonicalPath()};
NameProvider.parseCommandLine(args);
}
private void generateRgConfig(File config, File in, File out, File srg) throws IOException {
String log = new File(caller.getTemporaryDir(), "retroguard.log").getCanonicalPath();
File script = new File(caller.getTemporaryDir(), "retroguard.script");
// the config
String[] lines =
new String[] {
"reobinput = " + in.getCanonicalPath(),
"reoboutput = " + out.getCanonicalPath(),
"reobf = " + srg.getCanonicalPath(),
"script = " + script.getCanonicalPath(),
"log = " + log,
"verbose = 0",
"quiet = 1",
"fullmap = 0",
"startindex = 0",
"protectedpackage = paulscode",
"protectedpackage = com",
"protectedpackage = isom",
"protectedpackage = ibxm",
"protectedpackage = de/matthiasmann/twl",
"protectedpackage = org",
"protectedpackage = javax",
"protectedpackage = argo",
"protectedpackage = gnu",
"protectedpackage = io/netty"
};
Files.write(Joiner.on(Constants.NEWLINE).join(lines), config, Charset.defaultCharset());
// the script.
lines =
new String[] {
".option Application",
".option Applet",
".option Repackage",
".option Annotations",
".option MapClassString",
".attribute LineNumberTable",
".attribute EnclosingMethod",
".attribute Deprecated"
};
Files.write(Joiner.on(Constants.NEWLINE).join(lines), script, Charset.defaultCharset());
}