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opt / hc_python / lib / python3.12 / site-packages / dns /

ðŸ“ ..
ðŸ“„ __init__.py(1.62 KB)
ðŸ“ __pycache__
ðŸ“„ _asyncbackend.py(2.34 KB)
ðŸ“„ _asyncio_backend.py(8.84 KB)
ðŸ“„ _ddr.py(5.12 KB)
ðŸ“„ _features.py(2.43 KB)
ðŸ“„ _immutable_ctx.py(2.4 KB)
ðŸ“„ _trio_backend.py(8.27 KB)
ðŸ“„ asyncbackend.py(2.73 KB)
ðŸ“„ asyncquery.py(30.1 KB)
ðŸ“„ asyncresolver.py(17.43 KB)
ðŸ“„ dnssec.py(40.74 KB)
ðŸ“ dnssecalgs
ðŸ“„ dnssectypes.py(1.76 KB)
ðŸ“„ e164.py(3.88 KB)
ðŸ“„ edns.py(16.69 KB)
ðŸ“„ entropy.py(4.14 KB)
ðŸ“„ enum.py(3.6 KB)
ðŸ“„ exception.py(5.81 KB)
ðŸ“„ flags.py(2.69 KB)
ðŸ“„ grange.py(2.09 KB)
ðŸ“„ immutable.py(1.97 KB)
ðŸ“„ inet.py(5.64 KB)
ðŸ“„ ipv4.py(2.49 KB)
ðŸ“„ ipv6.py(6.4 KB)
ðŸ“„ message.py(66.59 KB)
ðŸ“„ name.py(41.78 KB)
ðŸ“„ namedict.py(3.91 KB)
ðŸ“„ nameserver.py(9.88 KB)
ðŸ“„ node.py(12.37 KB)
ðŸ“„ opcode.py(2.67 KB)
ðŸ“„ py.typed(0 B)
ðŸ“„ query.py(54.98 KB)
ðŸ“ quic
ðŸ“„ rcode.py(4.06 KB)
ðŸ“„ rdata.py(30.29 KB)
ðŸ“„ rdataclass.py(2.91 KB)
ðŸ“„ rdataset.py(16.27 KB)
ðŸ“„ rdatatype.py(7.27 KB)
ðŸ“ rdtypes
ðŸ“„ renderer.py(10.99 KB)
ðŸ“„ resolver.py(72 KB)
ðŸ“„ reversename.py(3.74 KB)
ðŸ“„ rrset.py(8.96 KB)
ðŸ“„ serial.py(3.52 KB)
ðŸ“„ set.py(9 KB)
ðŸ“„ tokenizer.py(23.03 KB)
ðŸ“„ transaction.py(22.06 KB)
ðŸ“„ tsig.py(11.15 KB)
ðŸ“„ tsigkeyring.py(2.57 KB)
ðŸ“„ ttl.py(2.91 KB)
ðŸ“„ update.py(11.96 KB)
ðŸ“„ version.py(1.88 KB)
ðŸ“„ versioned.py(11.49 KB)
ðŸ“„ win32util.py(8.67 KB)
ðŸ“„ wire.py(2.76 KB)
ðŸ“„ xfr.py(12.96 KB)
ðŸ“„ zone.py(50.87 KB)
ðŸ“„ zonefile.py(27.27 KB)
ðŸ“„ zonetypes.py(690 B)

Editing: nameserver.py

from typing import Optional, Union
from urllib.parse import urlparse

import dns.asyncbackend
import dns.asyncquery
import dns.inet
import dns.message
import dns.query

class Nameserver:
    def __init__(self):
        pass

def __str__(self):
        raise NotImplementedError

def kind(self) -> str:
        raise NotImplementedError

def is_always_max_size(self) -> bool:
        raise NotImplementedError

def answer_nameserver(self) -> str:
        raise NotImplementedError

def answer_port(self) -> int:
        raise NotImplementedError

class AddressAndPortNameserver(Nameserver):
    def __init__(self, address: str, port: int):
        super().__init__()
        self.address = address
        self.port = port

def kind(self) -> str:
        raise NotImplementedError

def is_always_max_size(self) -> bool:
        return False

def __str__(self):
        ns_kind = self.kind()
        return f"{ns_kind}:{self.address}@{self.port}"

def answer_nameserver(self) -> str:
        return self.address

def answer_port(self) -> int:
        return self.port

class Do53Nameserver(AddressAndPortNameserver):
    def __init__(self, address: str, port: int = 53):
        super().__init__(address, port)

def kind(self):
        return "Do53"

def query(
        self,
        request: dns.message.QueryMessage,
        timeout: float,
        source: Optional[str],
        source_port: int,
        max_size: bool,
        one_rr_per_rrset: bool = False,
        ignore_trailing: bool = False,
    ) -> dns.message.Message:
        if max_size:
            response = dns.query.tcp(
                request,
                self.address,
                timeout=timeout,
                port=self.port,
                source=source,
                source_port=source_port,
                one_rr_per_rrset=one_rr_per_rrset,
                ignore_trailing=ignore_trailing,
            )
        else:
            response = dns.query.udp(
                request,
                self.address,
                timeout=timeout,
                port=self.port,
                source=source,
                source_port=source_port,
                raise_on_truncation=True,
                one_rr_per_rrset=one_rr_per_rrset,
                ignore_trailing=ignore_trailing,
                ignore_errors=True,
                ignore_unexpected=True,
            )
        return response

async def async_query(
        self,
        request: dns.message.QueryMessage,
        timeout: float,
        source: Optional[str],
        source_port: int,
        max_size: bool,
        backend: dns.asyncbackend.Backend,
        one_rr_per_rrset: bool = False,
        ignore_trailing: bool = False,
    ) -> dns.message.Message:
        if max_size:
            response = await dns.asyncquery.tcp(
                request,
                self.address,
                timeout=timeout,
                port=self.port,
                source=source,
                source_port=source_port,
                backend=backend,
                one_rr_per_rrset=one_rr_per_rrset,
                ignore_trailing=ignore_trailing,
            )
        else:
            response = await dns.asyncquery.udp(
                request,
                self.address,
                timeout=timeout,
                port=self.port,
                source=source,
                source_port=source_port,
                raise_on_truncation=True,
                backend=backend,
                one_rr_per_rrset=one_rr_per_rrset,
                ignore_trailing=ignore_trailing,
                ignore_errors=True,
                ignore_unexpected=True,
            )
        return response

class DoHNameserver(Nameserver):
    def __init__(
        self,
        url: str,
        bootstrap_address: Optional[str] = None,
        verify: Union[bool, str] = True,
        want_get: bool = False,
        http_version: dns.query.HTTPVersion = dns.query.HTTPVersion.DEFAULT,
    ):
        super().__init__()
        self.url = url
        self.bootstrap_address = bootstrap_address
        self.verify = verify
        self.want_get = want_get
        self.http_version = http_version

def kind(self):
        return "DoH"

def is_always_max_size(self) -> bool:
        return True

def __str__(self):
        return self.url

def answer_nameserver(self) -> str:
        return self.url

def answer_port(self) -> int:
        port = urlparse(self.url).port
        if port is None:
            port = 443
        return port

def query(
        self,
        request: dns.message.QueryMessage,
        timeout: float,
        source: Optional[str],
        source_port: int,
        max_size: bool = False,
        one_rr_per_rrset: bool = False,
        ignore_trailing: bool = False,
    ) -> dns.message.Message:
        return dns.query.https(
            request,
            self.url,
            timeout=timeout,
            source=source,
            source_port=source_port,
            bootstrap_address=self.bootstrap_address,
            one_rr_per_rrset=one_rr_per_rrset,
            ignore_trailing=ignore_trailing,
            verify=self.verify,
            post=(not self.want_get),
            http_version=self.http_version,
        )

class DoTNameserver(AddressAndPortNameserver):
    def __init__(
        self,
        address: str,
        port: int = 853,
        hostname: Optional[str] = None,
        verify: Union[bool, str] = True,
    ):
        super().__init__(address, port)
        self.hostname = hostname
        self.verify = verify

def kind(self):
        return "DoT"

def query(
        self,
        request: dns.message.QueryMessage,
        timeout: float,
        source: Optional[str],
        source_port: int,
        max_size: bool = False,
        one_rr_per_rrset: bool = False,
        ignore_trailing: bool = False,
    ) -> dns.message.Message:
        return dns.query.tls(
            request,
            self.address,
            port=self.port,
            timeout=timeout,
            one_rr_per_rrset=one_rr_per_rrset,
            ignore_trailing=ignore_trailing,
            server_hostname=self.hostname,
            verify=self.verify,
        )

class DoQNameserver(AddressAndPortNameserver):
    def __init__(
        self,
        address: str,
        port: int = 853,
        verify: Union[bool, str] = True,
        server_hostname: Optional[str] = None,
    ):
        super().__init__(address, port)
        self.verify = verify
        self.server_hostname = server_hostname

def kind(self):
        return "DoQ"

def query(
        self,
        request: dns.message.QueryMessage,
        timeout: float,
        source: Optional[str],
        source_port: int,
        max_size: bool = False,
        one_rr_per_rrset: bool = False,
        ignore_trailing: bool = False,
    ) -> dns.message.Message:
        return dns.query.quic(
            request,
            self.address,
            port=self.port,
            timeout=timeout,
            one_rr_per_rrset=one_rr_per_rrset,
            ignore_trailing=ignore_trailing,
            verify=self.verify,
            server_hostname=self.server_hostname,
        )

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