Rewrote to not use .ird, turn's out they're not needed
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77a2f33642
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6 changed files with 12 additions and 195 deletions
137
libray/ird.py
137
libray/ird.py
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# -*- coding: utf8 -*-
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# libray - Libre Blu-Ray PS3 ISO Tool
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# Copyright (C) 2018 Nichlas Severinsen
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#
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# This file is part of libray.
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#
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# libray is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# libray is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with libray. If not, see <https://www.gnu.org/licenses/>.
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import os
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import sys
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import zlib
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import shutil
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try:
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from libray import core
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except ImportError:
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import core
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class IRD:
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ORDER = 'little'
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TEMP_FILE = 'ird'
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MAGIC_STRING = b"3IRD"
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def __init__(self, args):
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self.uncompress(args.ird) # TODO: Try/Except
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self.size = core.filesize(self.TEMP_FILE)
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with open(self.TEMP_FILE, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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core.error("Either not an IRD file, corruped IRD file, or unknown IRD format")
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self.version = core.to_int(input_ird.read(1), self.ORDER)
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self.game_id = input_ird.read(9)
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name_length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
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self.game_name = input_ird.read(name_length).decode('utf8')
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self.update_version = input_ird.read(4)
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self.game_version = input_ird.read(5)
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self.app_version = input_ird.read(5)
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if self.version == 7:
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self.identifier = input_ird.read(4)
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header_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.header = input_ird.read(header_length)
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footer_length = (core.to_int(input_ird.read(4), self.ORDER))
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self.footer = input_ird.read(footer_length)
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self.region_count = core.to_int(input_ird.read(1), self.ORDER)
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self.region_hashes = []
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for i in range(0, self.region_count):
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self.region_hashes.append(input_ird.read(16))
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self.file_count = core.to_int(input_ird.read(4), self.ORDER)
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self.file_hashes = []
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for i in range(0, self.file_count):
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key = core.to_int(input_ird.read(8), self.ORDER)
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val = input_ird.read(16)
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self.file_hashes.append({'key': key, 'val': val})
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if self.version >= 9:
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self.pic = input_ird.read(115)
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unused_bytes = input_ird.read(4) # Yeah, I don't know either.
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self.data1 = input_ird.read(16)
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self.data2 = input_ird.read(16)
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if self.version < 9:
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self.pic = input_ird.read(115)
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if self.version < 7:
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self.uid = core.to_int(input_ird.read(4), self.ORDER)
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if args.verbose:
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self.print_info()
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os.remove(self.TEMP_FILE)
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def get_if_exists(self, input_ird):
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starting_address = input_ird.tell()
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length = core.read_seven_bit_encoded_int(input_ird, self.ORDER)
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print(length)
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if length:
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return input_ird.read(length)
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input_ird.seek(starting_address)
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return None
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def uncompress(self, filename):
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uncompress = False
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with open(filename, 'rb') as input_ird:
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if input_ird.read(4) != self.MAGIC_STRING:
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uncompress = True
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if uncompress:
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with open(filename, 'rb') as gzfile:
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with open(self.TEMP_FILE, 'wb') as tmpfile:
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tmpfile.write(zlib.decompress(gzfile.read(), zlib.MAX_WBITS|16))
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else:
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shutil.copyfile(filename, self.TEMP_FILE)
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def print_info(self):
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print('Info from IRD:')
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print('Version: %s' % self.version)
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print('Game ID: %s' % self.game_id)
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print('Game Name: %s' % self.game_name)
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print('Update Version: %s' % self.update_version)
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print('Game Version: %s' % self.game_version)
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print('App Version: %s' % self.app_version)
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print('Region Count: %s' % self.region_count)
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print('File Count: %s' % self.file_count)
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print('Data1: %s' % self.data1.hex())
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print('Data2: %s' % self.data2.hex())
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