mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-27 02:24:18 +00:00
70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
from __future__ import absolute_import
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class ProxyError(Exception):
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def __init__(self, code, message, headers=None):
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super(ProxyError, self).__init__(self, message)
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self.code, self.headers = code, headers
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class ConnectionTypeChange(Exception):
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"""
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Gets raised if the connection type has been changed (e.g. after HTTP/1.1 101 Switching Protocols).
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It's up to the raising ProtocolHandler to specify the new conntype before raising the exception.
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"""
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pass
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class ProxyServerError(Exception):
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pass
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class UpstreamServerResolver(object):
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def __call__(self, conn):
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"""
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Returns the address of the server to connect to.
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"""
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raise NotImplementedError # pragma: nocover
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class ConstUpstreamServerResolver(UpstreamServerResolver):
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def __init__(self, dst):
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self.dst = dst
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def __call__(self, conn):
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return self.dst
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class TransparentUpstreamServerResolver(UpstreamServerResolver):
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def __init__(self, resolver, sslports):
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self.resolver = resolver
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self.sslports = sslports
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def __call__(self, conn):
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dst = self.resolver.original_addr(conn)
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if not dst:
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raise ProxyError(502, "Transparent mode failure: could not resolve original destination.")
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if dst[1] in self.sslports:
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ssl = True
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else:
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ssl = False
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return [ssl, ssl] + list(dst)
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class AddressPriority(object):
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"""
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Enum that signifies the priority of the given address when choosing the destination host.
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Higher is better (None < i)
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"""
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MANUALLY_CHANGED = 3
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"""user changed the target address in the ui"""
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FROM_SETTINGS = 2
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"""upstream server from arguments (reverse proxy, upstream proxy or from transparent resolver)"""
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FROM_PROTOCOL = 1
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"""derived from protocol (e.g. absolute-form http requests)"""
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class Log:
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def __init__(self, msg, level="info"):
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self.msg = msg
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self.level = level |