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ðŸ“ ..
ðŸ“„ AFSDB.py(1.62 KB)
ðŸ“„ AMTRELAY.py(3.3 KB)
ðŸ“„ AVC.py(1 KB)
ðŸ“„ CAA.py(2.45 KB)
ðŸ“„ CDNSKEY.py(1.2 KB)
ðŸ“„ CDS.py(1.14 KB)
ðŸ“„ CERT.py(3.45 KB)
ðŸ“„ CNAME.py(1.18 KB)
ðŸ“„ CSYNC.py(2.38 KB)
ðŸ“„ DLV.py(986 B)
ðŸ“„ DNAME.py(1.12 KB)
ðŸ“„ DNSKEY.py(1.19 KB)
ðŸ“„ DS.py(995 B)
ðŸ“„ EUI48.py(1.12 KB)
ðŸ“„ EUI64.py(1.13 KB)
ðŸ“„ GPOS.py(4.33 KB)
ðŸ“„ HINFO.py(2.17 KB)
ðŸ“„ HIP.py(3.15 KB)
ðŸ“„ ISDN.py(2.66 KB)
ðŸ“„ L32.py(1.26 KB)
ðŸ“„ L64.py(1.55 KB)
ðŸ“„ LOC.py(11.71 KB)
ðŸ“„ LP.py(1.31 KB)
ðŸ“„ MX.py(995 B)
ðŸ“„ NID.py(1.51 KB)
ðŸ“„ NINFO.py(1.02 KB)
ðŸ“„ NS.py(995 B)
ðŸ“„ NSEC.py(2.41 KB)
ðŸ“„ NSEC3.py(4.23 KB)
ðŸ“„ NSEC3PARAM.py(2.57 KB)
ðŸ“„ OPENPGPKEY.py(1.81 KB)
ðŸ“„ OPT.py(2.5 KB)
ðŸ“„ PTR.py(997 B)
ðŸ“„ RESINFO.py(1008 B)
ðŸ“„ RP.py(2.12 KB)
ðŸ“„ RRSIG.py(4.81 KB)
ðŸ“„ RT.py(1013 B)
ðŸ“„ SMIMEA.py(222 B)
ðŸ“„ SOA.py(3.07 KB)
ðŸ“„ SPF.py(1022 B)
ðŸ“„ SSHFP.py(2.47 KB)
ðŸ“„ TKEY.py(4.81 KB)
ðŸ“„ TLSA.py(218 B)
ðŸ“„ TSIG.py(4.64 KB)
ðŸ“„ TXT.py(1000 B)
ðŸ“„ URI.py(2.85 KB)
ðŸ“„ WALLET.py(219 B)
ðŸ“„ X25.py(1.9 KB)
ðŸ“„ ZONEMD.py(2.34 KB)
ðŸ“„ __init__.py(1.49 KB)
ðŸ“ __pycache__

Editing: RRSIG.py

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import base64
import calendar
import struct
import time

import dns.dnssectypes
import dns.exception
import dns.immutable
import dns.rdata
import dns.rdatatype

class BadSigTime(dns.exception.DNSException):
    """Time in DNS SIG or RRSIG resource record cannot be parsed."""

def sigtime_to_posixtime(what):
    if len(what) <= 10 and what.isdigit():
        return int(what)
    if len(what) != 14:
        raise BadSigTime
    year = int(what[0:4])
    month = int(what[4:6])
    day = int(what[6:8])
    hour = int(what[8:10])
    minute = int(what[10:12])
    second = int(what[12:14])
    return calendar.timegm((year, month, day, hour, minute, second, 0, 0, 0))

def posixtime_to_sigtime(what):
    return time.strftime("%Y%m%d%H%M%S", time.gmtime(what))

@dns.immutable.immutable
class RRSIG(dns.rdata.Rdata):
    """RRSIG record"""

__slots__ = [
        "type_covered",
        "algorithm",
        "labels",
        "original_ttl",
        "expiration",
        "inception",
        "key_tag",
        "signer",
        "signature",
    ]

def __init__(
        self,
        rdclass,
        rdtype,
        type_covered,
        algorithm,
        labels,
        original_ttl,
        expiration,
        inception,
        key_tag,
        signer,
        signature,
    ):
        super().__init__(rdclass, rdtype)
        self.type_covered = self._as_rdatatype(type_covered)
        self.algorithm = dns.dnssectypes.Algorithm.make(algorithm)
        self.labels = self._as_uint8(labels)
        self.original_ttl = self._as_ttl(original_ttl)
        self.expiration = self._as_uint32(expiration)
        self.inception = self._as_uint32(inception)
        self.key_tag = self._as_uint16(key_tag)
        self.signer = self._as_name(signer)
        self.signature = self._as_bytes(signature)

def covers(self):
        return self.type_covered

def to_text(self, origin=None, relativize=True, **kw):
        return "%s %d %d %d %s %s %d %s %s" % (
            dns.rdatatype.to_text(self.type_covered),
            self.algorithm,
            self.labels,
            self.original_ttl,
            posixtime_to_sigtime(self.expiration),
            posixtime_to_sigtime(self.inception),
            self.key_tag,
            self.signer.choose_relativity(origin, relativize),
            dns.rdata._base64ify(self.signature, **kw),
        )

@classmethod
    def from_text(
        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
    ):
        type_covered = dns.rdatatype.from_text(tok.get_string())
        algorithm = dns.dnssectypes.Algorithm.from_text(tok.get_string())
        labels = tok.get_int()
        original_ttl = tok.get_ttl()
        expiration = sigtime_to_posixtime(tok.get_string())
        inception = sigtime_to_posixtime(tok.get_string())
        key_tag = tok.get_int()
        signer = tok.get_name(origin, relativize, relativize_to)
        b64 = tok.concatenate_remaining_identifiers().encode()
        signature = base64.b64decode(b64)
        return cls(
            rdclass,
            rdtype,
            type_covered,
            algorithm,
            labels,
            original_ttl,
            expiration,
            inception,
            key_tag,
            signer,
            signature,
        )

def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
        header = struct.pack(
            "!HBBIIIH",
            self.type_covered,
            self.algorithm,
            self.labels,
            self.original_ttl,
            self.expiration,
            self.inception,
            self.key_tag,
        )
        file.write(header)
        self.signer.to_wire(file, None, origin, canonicalize)
        file.write(self.signature)

@classmethod
    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
        header = parser.get_struct("!HBBIIIH")
        signer = parser.get_name(origin)
        signature = parser.get_remaining()
        return cls(rdclass, rdtype, *header, signer, signature)

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