AssetRequest.py

from ProtocolBuffer import ProtocolBuffer


class AssetRequest:
    def __init__(self, package_name, auth_token, device_id, operator, device_name, sdk_version):
        self.encode_table = [0, [16], 2, [24], 4, [34], 6, [42], 8, [50], 10, [58], 12, [66], 14, [74], 16, [82], 18, [90], 20, [19, 82], 22, [10], 24, [20]]
        self.pad = [10]
        self.buffer = ProtocolBuffer()

        self.auth_token = auth_token
        self.is_secure = True
        self.sdk_version = 2009011
        self.device_id = device_id
        self.device_name = device_name
        self.sdk_version = sdk_version
        self.locale = "en"
        self.country = "us"
        self.operator_alpha = operator.name
        self.sim_operator_alpha = operator.name
        self.operator_code = operator.code
        self.sim_operator_code = operator.code
        self.package_name = package_name

    def encode(self):
        self.buffer.reset()

        header_len = 0

        for encoder in self.encode_table:
            enc_type = type(encoder).__name__

            if enc_type == "list":
                self.buffer.buffer += encoder

            elif enc_type == "int":
                if encoder == 0:
                    self.buffer.update(self.auth_token)

                elif encoder == 2:
                    self.buffer.update(self.is_secure)

                elif encoder == 4:
                    self.buffer.update(self.sdk_version)

                elif encoder == 6:
                    self.buffer.update(self.device_id)

                elif encoder == 8:
                    self.buffer.update('%s:%d' % (self.device_name, self.sdk_version))

                elif encoder == 10:
                    self.buffer.update(self.locale)

                elif encoder == 12:
                    self.buffer.update(self.country)

                elif encoder == 14:
                    self.buffer.update(self.operator_alpha)

                elif encoder == 16:
                    self.buffer.update(self.sim_operator_alpha)

                elif encoder == 18:
                    self.buffer.update(self.operator_code)

                elif encoder == 20:
                    self.buffer.update(self.sim_operator_code)
                    header_len = len(self.buffer.buffer) + 1

                elif encoder == 22:
                    self.buffer.update(len(self.package_name) + 2)

                elif encoder == 24:
                    self.buffer.update(self.package_name)

        self.buffer.buffer = self.pad + ProtocolBuffer().update(header_len) + self.pad + self.buffer.buffer

        return self.buffer.finalize()