mirror of https://github.com/jesopo/ircrobots
84 lines
2.1 KiB
Python
84 lines
2.1 KiB
Python
from re import compile as re_compile
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from typing import List, Optional
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from dataclasses import dataclass, field
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from .security import TLS, TLSNoVerify, TLSVerifyChain
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class SASLParams(object):
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mechanism: str
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@dataclass
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class _SASLUserPass(SASLParams):
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username: str
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password: str
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class SASLUserPass(_SASLUserPass):
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mechanism = "USERPASS"
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class SASLSCRAM(_SASLUserPass):
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mechanism = "SCRAM"
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class SASLExternal(SASLParams):
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mechanism = "EXTERNAL"
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@dataclass
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class STSPolicy(object):
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created: int
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port: int
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duration: int
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preload: bool
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@dataclass
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class ResumePolicy(object):
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address: str
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token: str
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RE_IPV6HOST = re_compile("\[([a-fA-F0-9:]+)\]")
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_TLS_TYPES = {
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"+": TLSVerifyChain,
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"~": TLSNoVerify,
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}
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@dataclass
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class ConnectionParams(object):
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nickname: str
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host: str
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port: int
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tls: Optional[TLS] = field(default_factory=TLSVerifyChain)
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username: Optional[str] = None
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realname: Optional[str] = None
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bindhost: Optional[str] = None
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password: Optional[str] = None
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sasl: Optional[SASLParams] = None
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sts: Optional[STSPolicy] = None
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resume: Optional[ResumePolicy] = None
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reconnect: int = 10 # seconds
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alt_nicknames: List[str] = field(default_factory=list)
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autojoin: List[str] = field(default_factory=list)
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@staticmethod
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def from_hoststring(
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nickname: str,
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hoststring: str
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) -> "ConnectionParams":
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ipv6host = RE_IPV6HOST.search(hoststring)
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if ipv6host is not None and ipv6host.start() == 0:
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host = ipv6host.group(1)
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port_s = hoststring[ipv6host.end()+1:]
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else:
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host, _, port_s = hoststring.strip().partition(":")
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tls_type: Optional[TLS] = None
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if not port_s:
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port_s = "6667"
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else:
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tls_type = _TLS_TYPES.get(port_s[0], lambda: None)()
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if tls_type is not None:
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port_s = port_s[1:] or "6697"
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return ConnectionParams(nickname, host, int(port_s), tls_type)
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