57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
import asyncio
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import collections
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import logging
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from collections.abc import Callable
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from mitmproxy import command
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from mitmproxy import log
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from mitmproxy.log import LogEntry
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from mitmproxy.utils import signals
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class EventStore:
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def __init__(self, size: int = 10000) -> None:
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self.data: collections.deque[LogEntry] = collections.deque(maxlen=size)
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self.sig_add = signals.SyncSignal(lambda entry: None)
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self.sig_refresh = signals.SyncSignal(lambda: None)
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self.logger = CallbackLogger(self._add_log)
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self.logger.install()
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def done(self):
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self.logger.uninstall()
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def _add_log(self, entry: LogEntry) -> None:
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self.data.append(entry)
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self.sig_add.send(entry)
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@property
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def size(self) -> int | None:
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return self.data.maxlen
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@command.command("eventstore.clear")
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def clear(self) -> None:
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"""
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Clear the event log.
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"""
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self.data.clear()
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self.sig_refresh.send()
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class CallbackLogger(log.MitmLogHandler):
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def __init__(
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self,
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callback: Callable[[LogEntry], None],
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):
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super().__init__()
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self.callback = callback
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self.event_loop = asyncio.get_running_loop()
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self.formatter = log.MitmFormatter(colorize=False)
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def emit(self, record: logging.LogRecord) -> None:
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entry = LogEntry(
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msg=self.format(record),
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level=log.LOGGING_LEVELS_TO_LOGENTRY.get(record.levelno, "error"),
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)
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self.event_loop.call_soon_threadsafe(self.callback, entry)
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