utage: mission key generation and name finding

should be compatible with bingo's xdusuitecsharp

utage/crypt.py

@@ -1,3 +1,51 @@
+import io
+import os
+import traceback
+
+from functools import partial
+from glob import glob
+from multiprocessing.pool import Pool
+
+from . import crypt
+from . import translate
+
+def crypt_dir(dir_in, key, encrypt=False, no_compress=False):
+	if not encrypt:
+		files = glob(os.path.join(dir_in, "**/*.utage"), recursive=True)
+	else:
+		files = glob(os.path.join(dir_in, "**/*.tsv"), recursive=True)
+
+	if len(files) == 0:
+		raise FileNotFoundError("No valid files found in directory: " + dir_in)
+
+	pcrypt = partial(crypt_file, key=key, encrypt=encrypt, no_compress=no_compress)
+	with Pool() as p:
+		p.map(pcrypt, files)
+
+def crypt_file(file_in, key, encrypt=False, no_compress=False):
+	with open(file_in, "rb") as inf:
+		in_data = inf.read()
+	try:
+		if encrypt:
+			if not file_in.endswith(".png") and not file_in.endswith(".jpg") and not file_in.endswith(".tsv"):
+				raise ValueError("Invalid File Type for {}".format(file_in))
+			if not file_in.endswith(".png") and not no_compress:
+				enc_data = crypt.compress(in_data)
+			enc_data = crypt.xor_crypt(enc_data, key)
+			with io.open(file_in + ".utage", "wb") as output:
+				output.write(enc_data)
+		else:
+			if not file_in.endswith(".utage"):
+				raise ValueError("Invalid File Type for {}".format(file_in))
+			dec_data = crypt.xor_crypt(in_data, key)
+			if not file_in.endswith(".png.utage") and not file_in.endswith(".jpg.utage") and not no_compress:
+				dec_data = crypt.decompress(dec_data)
+			with io.open(file_in.replace(".utage", ""), "wb") as output:
+				output.write(dec_data)
+	except Exception as e:
+		traceback.print_exc()
+		print("Error processing file: " + file_in)
+
 def decompress(data):
 	osize = 0
 	isize = len(data)