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"""
We try to be very hygienic regarding the exceptions we throw:
- Every exception that might be externally visible to users shall be a subclass
of MitmproxyException.p
- Every exception in the base net module shall be a subclass
of NetlibException, and will not be propagated directly to users.
See also: http://lucumr.pocoo.org/2014/10/16/on-error-handling/
"""
class MitmproxyException(Exception):
"""
Base class for all exceptions thrown by mitmproxy.
"""
def __init__(self, message=None):
super().__init__(message)
class Kill(MitmproxyException):
"""
Signal that both client and server connection(s) should be killed immediately.
"""
pass
class ProtocolException(MitmproxyException):
"""
ProtocolExceptions are caused by invalid user input, unavailable network resources,
or other events that are outside of our influence.
"""
pass
class TlsProtocolException(ProtocolException):
pass
class ClientHandshakeException(TlsProtocolException):
def __init__(self, message, server):
super().__init__(message)
self.server = server
class InvalidServerCertificate(TlsProtocolException):
def __repr__(self):
# In contrast to most others, this is a user-facing error which needs to look good.
return str(self)
class Socks5ProtocolException(ProtocolException):
pass
class HttpProtocolException(ProtocolException):
pass
class Http2ProtocolException(ProtocolException):
pass
class Http2ZombieException(ProtocolException):
pass
class ServerException(MitmproxyException):
pass
class ContentViewException(MitmproxyException):
pass
class ReplayException(MitmproxyException):
pass
class FlowReadException(MitmproxyException):
pass
class ControlException(MitmproxyException):
pass
class SetServerNotAllowedException(MitmproxyException):
pass
class CommandError(Exception):
pass
class OptionsError(MitmproxyException):
pass
class AddonManagerError(MitmproxyException):
pass
class AddonHalt(MitmproxyException):
"""
Raised by addons to signal that no further handlers should handle this event.
"""
pass
class TypeError(MitmproxyException):
pass
"""
Net-layer exceptions
"""
class NetlibException(MitmproxyException):
"""
Base class for all exceptions thrown by mitmproxy.net.
"""
def __init__(self, message=None):
super().__init__(message)
class SessionLoadException(MitmproxyException):
pass
class Disconnect:
"""Immediate EOF"""
class HttpException(NetlibException):
pass
class HttpReadDisconnect(HttpException, Disconnect):
pass
class HttpSyntaxException(HttpException):
pass
class TcpException(NetlibException):
pass
class TcpDisconnect(TcpException, Disconnect):
pass
class TcpReadIncomplete(TcpException):
pass
class TcpTimeout(TcpException):
pass
class TlsException(NetlibException):
pass
class InvalidCertificateException(TlsException):
pass
class Timeout(TcpException):
pass
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