509cb4f0d9
Exact commands run were: python3 -m libcst.tool codemod convert_format_to_fstring.ConvertFormatStringCommand . --no-format python3 setup.py build_ext --inplace
75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
import requests
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from bemani.client.common import random_hex_string
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from bemani.protocol import EAmuseProtocol, Node
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class ClientProtocol:
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def __init__(self, address: str, port: int, encryption: bool, compression: bool, verbose: bool) -> None:
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self.__address = address
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self.__port = port
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self.__encryption = encryption
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self.__compression = compression
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self.__verbose = verbose
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def exchange(self, uri: str, tree: Node, text_encoding: str="shift-jis", packet_encoding: str="binary") -> Node:
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headers = {}
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if self.__verbose:
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print('Outgoing request:')
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print(tree)
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# Handle encoding
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if packet_encoding == "xml":
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_packet_encoding = EAmuseProtocol.XML
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elif packet_encoding == "binary":
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_packet_encoding = EAmuseProtocol.BINARY
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else:
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raise Exception(f"Unknown packet encoding {packet_encoding}")
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# Handle encryption
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if self.__encryption:
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encryption = f'1-{random_hex_string(8)}-{random_hex_string(4)}'
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headers['X-Eamuse-Info'] = encryption
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else:
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encryption = None
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# Handle compression
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if self.__compression:
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compression = 'lz77'
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else:
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compression = None
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headers['X-Compress'] = compression
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# Convert it
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proto = EAmuseProtocol()
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req = proto.encode(
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compression,
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encryption,
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tree,
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text_encoding=text_encoding,
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packet_encoding=_packet_encoding,
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)
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# Send the request, get the response
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r = requests.post(
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f'http://{self.__address}:{self.__port}/{uri}',
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headers=headers,
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data=req,
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)
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# Get the compression and encryption
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encryption = headers.get('X-Eamuse-Info')
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compression = headers.get('X-Compress')
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# Decode it
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packet = proto.decode(
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compression,
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encryption,
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r.content,
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)
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if self.__verbose:
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print('Incoming response:')
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print(packet)
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return packet
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