9bbeb35c08
Fixed an issue that prevented the password reset tokens from working. Added email templates for password reset success and new account creation. Added more dynamic email template support.
77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
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# Copyright (C) 2003-2017 Nominum, Inc.
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#
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# Permission to use, copy, modify, and distribute this software and its
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# documentation for any purpose with or without fee is hereby granted,
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# provided that the above copyright notice and this permission notice
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# appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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"""IPv4 helper functions."""
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import struct
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from typing import Union
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import dns.exception
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def inet_ntoa(address: bytes) -> str:
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"""Convert an IPv4 address in binary form to text form.
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*address*, a ``bytes``, the IPv4 address in binary form.
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Returns a ``str``.
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"""
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if len(address) != 4:
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raise dns.exception.SyntaxError
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return "%u.%u.%u.%u" % (address[0], address[1], address[2], address[3])
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def inet_aton(text: Union[str, bytes]) -> bytes:
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"""Convert an IPv4 address in text form to binary form.
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*text*, a ``str`` or ``bytes``, the IPv4 address in textual form.
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Returns a ``bytes``.
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"""
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if not isinstance(text, bytes):
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btext = text.encode()
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else:
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btext = text
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parts = btext.split(b".")
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if len(parts) != 4:
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raise dns.exception.SyntaxError
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for part in parts:
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if not part.isdigit():
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raise dns.exception.SyntaxError
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if len(part) > 1 and part[0] == ord("0"):
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# No leading zeros
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raise dns.exception.SyntaxError
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try:
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b = [int(part) for part in parts]
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return struct.pack("BBBB", *b)
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except Exception:
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raise dns.exception.SyntaxError
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def canonicalize(text: Union[str, bytes]) -> str:
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"""Verify that *address* is a valid text form IPv4 address and return its
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canonical text form.
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*text*, a ``str`` or ``bytes``, the IPv4 address in textual form.
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Raises ``dns.exception.SyntaxError`` if the text is not valid.
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"""
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# Note that inet_aton() only accepts canonial form, but we still run through
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# inet_ntoa() to ensure the output is a str.
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return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text))
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