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https://github.com/certbot/certbot.git
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I want to use isort as part of https://github.com/certbot/certbot/issues/9572 because I want to do it programmatically, however, I felt like the config needed to be tweaked a bit due to it not understanding what is and is not our own code. This PR updates the isort config so it recognizes our own modules and runs `isort .` from the root of the repo to update everything. * update isort config * run "isort ."
265 lines
9.1 KiB
Python
265 lines
9.1 KiB
Python
"""Module contains classes used by the Apache Configurator."""
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import re
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from typing import Any
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from typing import Iterable
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from typing import Optional
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from typing import Pattern
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from typing import Set
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from typing import Union
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from certbot.plugins import common
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from certbot_apache._internal.apacheparser import ApacheBlockNode
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from certbot_apache._internal.augeasparser import AugeasBlockNode
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from certbot_apache._internal.dualparser import DualBlockNode
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class Addr(common.Addr):
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"""Represents an Apache address."""
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def __eq__(self, other: Any) -> bool:
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"""This is defined as equivalent within Apache.
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ip_addr:* == ip_addr
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"""
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if isinstance(other, self.__class__):
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return ((self.tup == other.tup) or
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(self.tup[0] == other.tup[0] and
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self.is_wildcard() and other.is_wildcard()))
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return False
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def __repr__(self) -> str:
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return f"certbot_apache._internal.obj.Addr({repr(self.tup)})"
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def __hash__(self) -> int: # pylint: disable=useless-super-delegation
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# Python 3 requires explicit overridden for __hash__ if __eq__ or
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# __cmp__ is overridden. See https://bugs.python.org/issue2235
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return super().__hash__()
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def _addr_less_specific(self, addr: "Addr") -> bool:
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"""Returns if addr.get_addr() is more specific than self.get_addr()."""
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# pylint: disable=protected-access
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return addr._rank_specific_addr() > self._rank_specific_addr()
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def _rank_specific_addr(self) -> int:
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"""Returns numerical rank for get_addr()
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:returns: 2 - FQ, 1 - wildcard, 0 - _default_
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:rtype: int
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"""
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if self.get_addr() == "_default_":
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return 0
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elif self.get_addr() == "*":
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return 1
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return 2
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def conflicts(self, addr: "Addr") -> bool:
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r"""Returns if address could conflict with correct function of self.
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Could addr take away service provided by self within Apache?
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.. note::IP Address is more important than wildcard.
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Connection from 127.0.0.1:80 with choices of *:80 and 127.0.0.1:*
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chooses 127.0.0.1:\*
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.. todo:: Handle domain name addrs...
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Examples:
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========================================= =====
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``127.0.0.1:\*.conflicts(127.0.0.1:443)`` True
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``127.0.0.1:443.conflicts(127.0.0.1:\*)`` False
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``\*:443.conflicts(\*:80)`` False
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``_default_:443.conflicts(\*:443)`` True
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========================================= =====
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"""
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if self._addr_less_specific(addr):
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return True
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elif self.get_addr() == addr.get_addr():
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if self.is_wildcard() or self.get_port() == addr.get_port():
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return True
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return False
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def is_wildcard(self) -> bool:
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"""Returns if address has a wildcard port."""
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return self.tup[1] == "*" or not self.tup[1]
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def get_sni_addr(self, port: str) -> common.Addr:
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"""Returns the least specific address that resolves on the port.
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Examples:
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- ``1.2.3.4:443`` -> ``1.2.3.4:<port>``
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- ``1.2.3.4:*`` -> ``1.2.3.4:*``
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:param str port: Desired port
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"""
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if self.is_wildcard():
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return self
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return self.get_addr_obj(port)
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class VirtualHost:
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"""Represents an Apache Virtualhost.
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:ivar str filep: file path of VH
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:ivar str path: Augeas path to virtual host
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:ivar set addrs: Virtual Host addresses (:class:`set` of
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:class:`common.Addr`)
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:ivar str name: ServerName of VHost
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:ivar list aliases: Server aliases of vhost
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(:class:`list` of :class:`str`)
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:ivar bool ssl: SSLEngine on in vhost
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:ivar bool enabled: Virtual host is enabled
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:ivar bool modmacro: VirtualHost is using mod_macro
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:ivar VirtualHost ancestor: A non-SSL VirtualHost this is based on
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https://httpd.apache.org/docs/2.4/vhosts/details.html
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.. todo:: Any vhost that includes the magic _default_ wildcard is given the
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same ServerName as the main server.
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"""
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# ?: is used for not returning enclosed characters
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strip_name: Pattern = re.compile(r"^(?:.+://)?([^ :$]*)")
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def __init__(self, filepath: str, path: str, addrs: Set["Addr"], ssl: bool,
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enabled: bool, name: Optional[str] = None, aliases: Optional[Set[str]] = None,
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modmacro: bool = False, ancestor: Optional["VirtualHost"] = None,
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node: Optional[Union[ApacheBlockNode, AugeasBlockNode, DualBlockNode]] = None
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) -> None:
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"""Initialize a VH."""
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self.filep = filepath
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self.path = path
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self.addrs = addrs
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self.name = name
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self.aliases = aliases if aliases is not None else set()
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self.ssl = ssl
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self.enabled = enabled
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self.modmacro = modmacro
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self.ancestor = ancestor
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self.node = node
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def get_names(self) -> Set[str]:
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"""Return a set of all names."""
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all_names: Set[str] = set()
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all_names.update(self.aliases)
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# Strip out any scheme:// and <port> field from servername
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if self.name is not None:
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all_names.add(VirtualHost.strip_name.findall(self.name)[0])
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return all_names
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def __str__(self) -> str:
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return (
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f"File: {self.filep}\n"
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f"Vhost path: {self.path}\n"
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f"Addresses: {', '.join(str(addr) for addr in self.addrs)}\n"
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f"Name: {self.name if self.name is not None else ''}\n"
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f"Aliases: {', '.join(name for name in self.aliases)}\n"
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f"TLS Enabled: {'Yes' if self.ssl else 'No'}\n"
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f"Site Enabled: {'Yes' if self.enabled else 'No'}\n"
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f"mod_macro Vhost: {'Yes' if self.modmacro else 'No'}"
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)
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def display_repr(self) -> str:
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"""Return a representation of VHost to be used in dialog"""
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return (
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f"File: {self.filep}\n"
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f"Addresses: {', '.join(str(addr) for addr in self.addrs)}\n"
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f"Names: {', '.join(self.get_names())}\n"
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f"HTTPS: {'Yes' if self.ssl else 'No'}\n"
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)
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def __eq__(self, other: Any) -> bool:
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if isinstance(other, self.__class__):
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return (self.filep == other.filep and self.path == other.path and
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self.addrs == other.addrs and
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self.get_names() == other.get_names() and
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self.ssl == other.ssl and
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self.enabled == other.enabled and
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self.modmacro == other.modmacro)
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return False
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def __hash__(self) -> int:
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return hash((self.filep, self.path,
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tuple(self.addrs), tuple(self.get_names()),
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self.ssl, self.enabled, self.modmacro))
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def conflicts(self, addrs: Iterable[Addr]) -> bool:
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"""See if vhost conflicts with any of the addrs.
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This determines whether or not these addresses would/could overwrite
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the vhost addresses.
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:param addrs: Iterable Addresses
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:type addrs: Iterable :class:~obj.Addr
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:returns: If addresses conflicts with vhost
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:rtype: bool
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"""
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for pot_addr in addrs:
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for addr in self.addrs:
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if addr.conflicts(pot_addr):
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return True
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return False
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def same_server(self, vhost: "VirtualHost", generic: bool = False) -> bool:
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"""Determines if the vhost is the same 'server'.
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Used in redirection - indicates whether or not the two virtual hosts
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serve on the exact same IP combinations, but different ports.
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The generic flag indicates that that we're trying to match to a
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default or generic vhost
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.. todo:: Handle _default_
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"""
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if not generic:
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if vhost.get_names() != self.get_names():
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return False
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# If equal and set is not empty... assume same server
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if self.name is not None or self.aliases:
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return True
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# If we're looking for a generic vhost,
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# don't return one with a ServerName
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elif self.name:
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return False
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# Both sets of names are empty.
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# Make conservative educated guess... this is very restrictive
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# Consider adding more safety checks.
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if len(vhost.addrs) != len(self.addrs):
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return False
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# already_found acts to keep everything very conservative.
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# Don't allow multiple ip:ports in same set.
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already_found: Set[str] = set()
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for addr in vhost.addrs:
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for local_addr in self.addrs:
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if (local_addr.get_addr() == addr.get_addr() and
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local_addr != addr and
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local_addr.get_addr() not in already_found):
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# This intends to make sure we aren't double counting...
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# e.g. 127.0.0.1:* - We require same number of addrs
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# currently
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already_found.add(local_addr.get_addr())
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break
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else:
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return False
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return True
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