61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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proxy.py
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~~~~~~~~
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⚡⚡⚡ Fast, Lightweight, Pluggable, TLS interception capable proxy server focused on
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Network monitoring, controls & Application development, testing, debugging.
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:copyright: (c) 2013-present by Abhinav Singh and contributors.
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:license: BSD, see LICENSE for more details.
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"""
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import logging
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from typing import Optional, Any
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from ...http.parser import HttpParser
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from ...http.proxy import HttpProxyBasePlugin
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from .store.base import CacheStore
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logger = logging.getLogger(__name__)
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class BaseCacheResponsesPlugin(HttpProxyBasePlugin):
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"""Base cache plugin.
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It requires a storage backend to work with. Storage class
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must implement CacheStore interface.
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Different storage backends can be used per request if required.
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"""
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def __init__(
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self,
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*args: Any,
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**kwargs: Any) -> None:
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super().__init__(*args, **kwargs)
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self.store: Optional[CacheStore] = None
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def set_store(self, store: CacheStore) -> None:
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self.store = store
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def before_upstream_connection(
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self, request: HttpParser) -> Optional[HttpParser]:
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assert self.store
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try:
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self.store.open(request)
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except Exception as e:
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logger.info('Caching disabled due to exception message %s', str(e))
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return request
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def handle_client_request(
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self, request: HttpParser) -> Optional[HttpParser]:
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assert self.store
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return self.store.cache_request(request)
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def handle_upstream_chunk(self, chunk: memoryview) -> memoryview:
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assert self.store
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return self.store.cache_response_chunk(chunk)
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def on_upstream_connection_close(self) -> None:
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assert self.store
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self.store.close()
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