94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
# -*- coding: utf8 -*-
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# LibRay-PS3 - Libre Blu-Ray PS3 ISO Tool
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# Copyright (C) 2018 Nichlas Severinsen
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#
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# This program 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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# This program 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 this program. 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 gzip
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ORDER = 'big'
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SECTOR = 2048
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def bytes_to_int(byte):
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return int.from_bytes(byte, ORDER)
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class IRD:
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def is_compressed(self, fileobj):
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fileobj.seek(0)
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return fileobj.read(4) != b"3IRD"
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def uncompress(self, filename):
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with gzip.open(filename, 'rb') as gzfile:
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with open('ird', 'wb') as outfile:
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outfile.write(gzfile.read())
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def __init__(self, filename):
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with open(filename, 'rb') as fileobj:
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if self.is_compressed(fileobj):
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self.uncompress(filename)
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self.size = os.stat('ird').st_size
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with open('ird', 'rb') as ird:
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self.magic_string = ird.read(4)
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self.version = bytes_to_int(ird.read(1))
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self.game_id = ird.read(9)
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self.game_name = ird.read(12)
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self.update_version = ird.read(4)
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self.game_version = ird.read(5)
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if self.version == 7:
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self.identifier = ird.read(4)
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self.header = ird.read(SECTOR*3)
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self.footer = ird.read(SECTOR)
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self.region_count = ird.read(1)
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back = ird.tell()
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prefix = bytes_to_int(ird.read(1))
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length = prefix >> 1
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if prefix & 0b00000001:
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ird.seek(back)
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self.header = ird.read(length)
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back = ird.tell()
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prefix = bytes_to_int(ird.read(1))
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length = prefix >> 1
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ird.seek(back)
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self.footer = ird.read(length)
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self.region_count
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print()
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sys.exit()
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print(self.game_name, self.update_version, self.game_version, self.region_count)
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ird.seek(self.size - (2 + 115 + 16 + 16))
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if self.version >= 9:
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self.pic = ird.read(115)
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self.data_one = ird.read(16)
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print(self.data_one.hex())
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self.data_two = ird.read(16)
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if self.version < 9:
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self.pic = ird.read(115)
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self.uid = ird.read(2)
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print(self.pic)
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print(self.uid)
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print(self.game_id)
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if filename != 'ird':
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os.remove('ird')
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