Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py

@@ -0,0 +1,69 @@
+# 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 binascii
+import struct
+
+import dns.exception
+import dns.immutable
+import dns.rdata
+
+
+@dns.immutable.immutable
+class NSEC3PARAM(dns.rdata.Rdata):
+    """NSEC3PARAM record"""
+
+    __slots__ = ["algorithm", "flags", "iterations", "salt"]
+
+    def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt):
+        super().__init__(rdclass, rdtype)
+        self.algorithm = self._as_uint8(algorithm)
+        self.flags = self._as_uint8(flags)
+        self.iterations = self._as_uint16(iterations)
+        self.salt = self._as_bytes(salt, True, 255)
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        if self.salt == b"":
+            salt = "-"
+        else:
+            salt = binascii.hexlify(self.salt).decode()
+        return "%u %u %u %s" % (self.algorithm, self.flags, self.iterations, salt)
+
+    @classmethod
+    def from_text(
+        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
+    ):
+        algorithm = tok.get_uint8()
+        flags = tok.get_uint8()
+        iterations = tok.get_uint16()
+        salt = tok.get_string()
+        if salt == "-":
+            salt = ""
+        else:
+            salt = binascii.unhexlify(salt.encode())
+        return cls(rdclass, rdtype, algorithm, flags, iterations, salt)
+
+    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
+        l = len(self.salt)
+        file.write(struct.pack("!BBHB", self.algorithm, self.flags, self.iterations, l))
+        file.write(self.salt)
+
+    @classmethod
+    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
+        (algorithm, flags, iterations) = parser.get_struct("!BBH")
+        salt = parser.get_counted_bytes()
+        return cls(rdclass, rdtype, algorithm, flags, iterations, salt)