Rewrote to not use .ird, turn's out they're not needed

This commit is contained in:
Nichlas Severinsen 2018-07-07 23:36:27 +02:00
parent 77a2f33642
commit f8b35fbe83
6 changed files with 12 additions and 195 deletions

View file

@ -1,137 +0,0 @@
# -*- coding: utf8 -*-
# libray - Libre Blu-Ray PS3 ISO Tool
# Copyright (C) 2018 Nichlas Severinsen
#
# This file is part of libray.
#
# libray is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# libray is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libray. If not, see <https://www.gnu.org/licenses/>.
import os
import sys
import zlib
import shutil
try:
from libray import core
except ImportError:
import core
class IRD:
ORDER = 'little'
TEMP_FILE = 'ird'
MAGIC_STRING = b"3IRD"
def __init__(self, args):
self.uncompress(args.ird) # TODO: Try/Except
self.size = core.filesize(self.TEMP_FILE)
with open(self.TEMP_FILE, 'rb') as input_ird:
if input_ird.read(4) != self.MAGIC_STRING:
core.error("Either not an IRD file, corruped IRD file, or unknown IRD format")
self.version = core.to_int(input_ird.read(1), self.ORDER)
self.game_id = input_ird.read(9)
name_length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
self.game_name = input_ird.read(name_length).decode('utf8')
self.update_version = input_ird.read(4)
self.game_version = input_ird.read(5)
self.app_version = input_ird.read(5)
if self.version == 7:
self.identifier = input_ird.read(4)
header_length = (core.to_int(input_ird.read(4), self.ORDER))
self.header = input_ird.read(header_length)
footer_length = (core.to_int(input_ird.read(4), self.ORDER))
self.footer = input_ird.read(footer_length)
self.region_count = core.to_int(input_ird.read(1), self.ORDER)
self.region_hashes = []
for i in range(0, self.region_count):
self.region_hashes.append(input_ird.read(16))
self.file_count = core.to_int(input_ird.read(4), self.ORDER)
self.file_hashes = []
for i in range(0, self.file_count):
key = core.to_int(input_ird.read(8), self.ORDER)
val = input_ird.read(16)
self.file_hashes.append({'key': key, 'val': val})
if self.version >= 9:
self.pic = input_ird.read(115)
unused_bytes = input_ird.read(4) # Yeah, I don't know either.
self.data1 = input_ird.read(16)
self.data2 = input_ird.read(16)
if self.version < 9:
self.pic = input_ird.read(115)
if self.version < 7:
self.uid = core.to_int(input_ird.read(4), self.ORDER)
if args.verbose:
self.print_info()
os.remove(self.TEMP_FILE)
def get_if_exists(self, input_ird):
starting_address = input_ird.tell()
length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
print(length)
if length:
return input_ird.read(length)
input_ird.seek(starting_address)
return None
def uncompress(self, filename):
uncompress = False
with open(filename, 'rb') as input_ird:
if input_ird.read(4) != self.MAGIC_STRING:
uncompress = True
if uncompress:
with open(filename, 'rb') as gzfile:
with open(self.TEMP_FILE, 'wb') as tmpfile:
tmpfile.write(zlib.decompress(gzfile.read(), zlib.MAX_WBITS|16))
else:
shutil.copyfile(filename, self.TEMP_FILE)
def print_info(self):
print('Info from IRD:')
print('Version: %s' % self.version)
print('Game ID: %s' % self.game_id)
print('Game Name: %s' % self.game_name)
print('Update Version: %s' % self.update_version)
print('Game Version: %s' % self.game_version)
print('App Version: %s' % self.app_version)
print('Region Count: %s' % self.region_count)
print('File Count: %s' % self.file_count)
print('Data1: %s' % self.data1.hex())
print('Data2: %s' % self.data2.hex())