mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-27 02:24:18 +00:00
91 lines
2.6 KiB
Python
91 lines
2.6 KiB
Python
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import itertools
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import json
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import typing
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from collections.abc import MutableMapping
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from typing import Any, Dict, Generator, List, TextIO, Callable
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from mitmproxy import flowfilter
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from mitmproxy.http import HTTPFlow
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def f_id(x):
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return x
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class URLDict(MutableMapping):
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"""Data structure to store information using filters as keys."""
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def __init__(self):
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self.store: Dict[flowfilter.TFilter, Any] = {}
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def __getitem__(self, key, *, count=0):
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if count:
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ret = itertools.islice(self.get_generator(key), 0, count)
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else:
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ret = list(self.get_generator(key))
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if ret:
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return ret
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else:
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raise KeyError
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def __setitem__(self, key: str, value):
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fltr = flowfilter.parse(key)
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if fltr:
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self.store.__setitem__(fltr, value)
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else:
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raise ValueError("Not a valid filter")
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def __delitem__(self, key):
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self.store.__delitem__(key)
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def __iter__(self):
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return self.store.__iter__()
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def __len__(self):
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return self.store.__len__()
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def get_generator(self, flow: HTTPFlow) -> Generator[Any, None, None]:
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for fltr, value in self.store.items():
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if flowfilter.match(fltr, flow):
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yield value
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def get(self, flow: HTTPFlow, default=None, *, count=0) -> List[Any]:
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try:
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return self.__getitem__(flow, count=count)
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except KeyError:
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return default
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@classmethod
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def _load(cls, json_obj, value_loader: Callable = f_id):
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url_dict = cls()
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for fltr, value in json_obj.items():
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url_dict[fltr] = value_loader(value)
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return url_dict
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@classmethod
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def load(cls, f: TextIO, value_loader: Callable = f_id):
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json_obj = json.load(f)
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return cls._load(json_obj, value_loader)
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@classmethod
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def loads(cls, json_str: str, value_loader: Callable = f_id):
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json_obj = json.loads(json_str)
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return cls._load(json_obj, value_loader)
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def _dump(self, value_dumper: Callable = f_id) -> Dict:
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dumped: Dict[typing.Union[flowfilter.TFilter, str], Any] = {}
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for fltr, value in self.store.items():
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if hasattr(fltr, 'pattern'):
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# cast necessary for mypy
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dumped[typing.cast(Any, fltr).pattern] = value_dumper(value)
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else:
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dumped[str(fltr)] = value_dumper(value)
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return dumped
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def dump(self, f: TextIO, value_dumper: Callable = f_id):
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json.dump(self._dump(value_dumper), f)
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def dumps(self, value_dumper: Callable = f_id):
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return json.dumps(self._dump(value_dumper))
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