コード例 #1
0
ファイル: jtv.py プロジェクト: bachwell/jtv
    def __readNdxFile(self, file, dic):
        fileName = file.filename
        sizeFile = file.file_size
        fileData = self.__zipFile.read(fileName, 'rU')
        bt = BytesIO(fileData)
        bt.seek(0)
        lenBytes = bt.read(2)
#        lenSum = self.BytesToInt(lenBytes)
#        print "lenSum = ", lenSum
        while bt.tell() < sizeFile:
            lenBytes12 = bt.read(12)
            # NULL bytes
            bytesNull = lenBytes12[0:2]
            bytesNullInt = self.BytesToInt(bytesNull)
            # FILETIME bytes
            bytesFileTime = lenBytes12[2:10]
            bytesFileTimeInt = self.BytesToInt(bytesFileTime)
            # offset in PDT bytes
            bytesOffsetPdt = lenBytes12[10:12]
            bytesOffsetPdtInt = self.BytesToInt(bytesOffsetPdt)
            startTimeInt = self.FiletimeToUnixtimestamp(bytesFileTimeInt)
            if bytesOffsetPdtInt not in dic.keys():
                dic[bytesOffsetPdtInt] = [None, None]
            dic[bytesOffsetPdtInt][1] = startTimeInt
        bt.close()
コード例 #2
0
ファイル: jtv.py プロジェクト: bachwell/jtv
 def __readPdtFile(self, file, dic):
     fileName = file.filename
     sizeFile = file.file_size
     fileData = self.__zipFile.read(fileName, 'rU')
     bt = BytesIO(fileData)
     bt.seek(int('0x01A', 0))
     while bt.tell() < sizeFile:
         pos = bt.tell()
         lenBytes = bt.read(2)
         lenBytesHex = "0x" + ''.join( [ "%02X" % ord( x ) for x in reversed(lenBytes) ] )
         lenSum = int(lenBytesHex, 0)
         bytesProName = unicode(bt.read(lenSum), self.__jtvEncodeProgrammName)
         if pos not in dic.keys():
             dic[pos] = [None, None]
         dic[pos][0] = bytesProName
     bt.close()
コード例 #3
0
def decompress(frequencyTable, valueData):
    buffer = BytesIO(valueData)
    uncompressedSize = readUnsignedLeb128(buffer)
    compressedSize = len(valueData) - buffer.tell()
    # create a buffer to decompress into
    inputData = buffer.read(compressedSize)
    outputData = ctypes.create_string_buffer(uncompressedSize)
    decompDLL.decompressData(frequencyTable, inputData, compressedSize,
                             outputData, uncompressedSize)
    return BytesIO(outputData.raw)
コード例 #4
0
def extractUnencryptedTelaraDB(unencryptedDBFilename, extractDirectory):

    print("Begin extracting of " + unencryptedDBFilename)
    # load decompression DLL
    decompDLL = ctypes.CDLL("riftdecomp.dll")

    conn = sqlite3.connect(unencryptedDBFilename)
    conn.row_factory = sqlite3.Row
    ds = conn.cursor()

    # DatasetID appears to be a "category" of sorts, with the datasetkey being subcategories
    # For example, dataset 7701 has different keys for different languages.
    # Guesses at some randomly chosen dataset id contents:
    # 83 - ability formulas
    # 84 - worlds? contains NIF references
    # 111 - Scene?
    # 114 - sound bank reference
    # 4307 - profanity block?
    # 7701 - EULA

    # In test mode only the first row for each datasetid will be extracted, disable it to extract more than one row per datasetid
    ###############
    #
    # WARNING:    BE AWARE IF YOU DISABLE TEST MODE WITHOUT CHANGING THE SQL EURY YOU WILL PULL **EVERY RECORD** FROM THE DATABASE.
    # WARNING:    THERE ARE 400,000+ AND MOST ARE UNDER 1KB.BE AWARE THAT your filesystem might not appreciate 400,000 1KB files suddenly appearing
    # WARNING:    You may wish to filter the first query by a specific datasetId, eg:
    # WARNING:    ds.execute('SELECT * from dataset where datasetId=?', (7701,))
    #
    ###############
    TEST_MODE = True
    test_mode_ids = set()

    ds.execute('SELECT * from dataset order by length(value) desc')
    while (1):
        rowA = ds.fetchone()
        if rowA == None:
            break

        dsc = conn.cursor()

        dsid = rowA["datasetId"]
        dskey = rowA["datasetKey"]
        dsname = rowA[
            "name"]  # some entries have a "name" that can be useful to identify, but often have funny characters in them so we can't use them directly

        if TEST_MODE:
            if dsid in test_mode_ids:
                continue
            test_mode_ids.add(dsid)

        dsc.execute("select * from dataset_compression where datasetid= ?",
                    (dsid, ))
        freqRow = dsc.fetchone()

        valueData = rowA['value']
        frequencyTable = freqRow["frequencies"]

        buffer = BytesIO(valueData)

        uncompressedSize = readUnsignedLeb128(buffer)
        compressedSize = len(valueData) - buffer.tell()

        # create a buffer to decompress into
        inputData = buffer.read(compressedSize)
        outputData = ctypes.create_string_buffer(uncompressedSize)
        decompDLL.decompressData(frequencyTable, inputData, compressedSize,
                                 outputData, uncompressedSize)

        # write our new data to
        f = open(os.path.join(extractDirectory + str(dsid) + "_" + str(dskey)),
                 "wb")
        f.write(outputData)
        f.close()

        dsc.close()

    ds.close()