# UnRPA Copyright (c) X@MPP 2012
#
# This Tool is Granted to you AS IS, without any implied support or warranty
# The Author of this tool is not Responsible for any misuse or loss of information
# that may be caused by this tool, use at your own discretion
#
# This Tool is For Personal Use only, You Hear By Agree that you will not distribute,
# Nor Modify and redistribute Extracted content without Prior consent from the Owner of said content.
#
# If you Do not Agree to these Terms, Do not Download this Tool
#
# Usage: python unrpa.py /path/to/data.rpa
#
import os.path
from pickle import loads
from cStringIO import StringIO
import sys
import types
import time
## == Vars == ##
Path = ""
Map = { }
def UnRPA(_Path,_Dest):
Map.clear()
Map[_Path.lower()] = _Path
fn = transfn(_Path)
try:
fn = transfn(_Path)
fi = file(fn, "rb")
line = fi.readline()
if line.startswith("RPA-3.0"):
print "[*] File Archive is a RenPy 3.0 RPA"
print "[*] %s" % line
print "[*] Getting Offset"
Offset = int(line[8:24], 16)
print "[*] Offset: %s" % Offset
print "[*] Getting Key "
Key = int(line[25:33], 16)
print "[*] Key: %s " % Key
print "[*] Seeking Offset"
fi.seek(Offset)
print "[*] Loading Index"
index = loads(fi.read().decode("zlib"))
print "[*] Deobfuscateing Index..."
keys_ = 0
for _key in index.keys():
if len(index[_key][0]) == 2:
index[_key] = [(Offset^Key, dlen^Key) for Offset, dlen in index[_key]]
else:
index[_key] = [(Offset^Key, dlen^Key,Start) for Offset,dlen,Start in index[_key]]
keys_ += 1
print "[*] %s Index Keys Processed" % keys_
print "[*] Closing File"
fi.close()
if line.startswith("RPA-2.0"):
print "[*] File Archive is a RenPy 2.0 RPA"
print "[*] %s" % line
print "[*] Getting Offset"
Offset = int(line[8:],16)
print "[*] Offset: %s" % Offset
print "[*] Seeking Offset"
fi.seek(Offset)
print "[*] Loading Index"
index = loads(fi.read().decode("zlib"))
print "[*] Closing File"
fi.close()
print "[*] Riping Files"
if not os.path.isdir(_Dest):
os.mkdir(_Dest)
f = file(transfn(_Path), "rb")
t1 = time.time()
for name, data in index.iteritems():
print "[*] Extracting %s" % _Dest+"/"+name
if len(data[0]) == 2:
offset, dlen = data[0]
start = ''
else:
offset, dlen, start = data[0]
with open(_Path, "rb") as f:
f.seek(offset)
raw_file = start + f.read(dlen - len(start))
try:
os.makedirs(os.path.dirname(_Dest+"/"+name))
except:
pass
fi = open(_Dest+"/"+name, 'wb')
fi.write(raw_file)
fi.close()
f.close()
t2 = time.time()
print "[*] Done! This Unpacking took %0.3f milliseconds" % ((t2-t1)*1000.0)
except:
print "[*] Failure, Aborting"
pass
def transfn(name):
name = Map.get(name.lower(), name)
if isinstance(name, unicode):
name = name.encode("utf-8")
fn = os.path.join(name)
if os.path.exists(fn):
return fn
raise Exception("Couldn't find file '%s'." % name)
def main():
print "[*] UnRPA Version 0.1"
if len(sys.argv) < 2:
print "[*] Usage: %s /path/to/data.rpa" % sys.argv[0]
sys.exit()
else:
Path = sys.argv[1]
if os.path.isfile(Path):
print "[*] all good, UnRPAing to same directory"
UnRPA(Path,os.path.dirname(Path)+"/UnRPA")
else:
print "[*] '%s' Needs to be a file " % Path
print "[*] Usage: %s /path/to/data.rpa" % sys.argv[0]
sys.exit()
if __name__ == "__main__":
main()
