122 lines
3.4 KiB
Python
122 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 2015 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from synapse.api.errors import SynapseError
|
|
|
|
from collections import namedtuple
|
|
|
|
|
|
class DomainSpecificString(
|
|
namedtuple("DomainSpecificString", ("localpart", "domain"))
|
|
):
|
|
"""Common base class among ID/name strings that have a local part and a
|
|
domain name, prefixed with a sigil.
|
|
|
|
Has the fields:
|
|
|
|
'localpart' : The local part of the name (without the leading sigil)
|
|
'domain' : The domain part of the name
|
|
"""
|
|
|
|
# Deny iteration because it will bite you if you try to create a singleton
|
|
# set by:
|
|
# users = set(user)
|
|
def __iter__(self):
|
|
raise ValueError("Attempted to iterate a %s" % (type(self).__name__,))
|
|
|
|
# Because this class is a namedtuple of strings and booleans, it is deeply
|
|
# immutable.
|
|
def __copy__(self):
|
|
return self
|
|
|
|
def __deepcopy__(self, memo):
|
|
return self
|
|
|
|
@classmethod
|
|
def from_string(cls, s):
|
|
"""Parse the string given by 's' into a structure object."""
|
|
if s[0] != cls.SIGIL:
|
|
raise SynapseError(400, "Expected %s string to start with '%s'" % (
|
|
cls.__name__, cls.SIGIL,
|
|
))
|
|
|
|
parts = s[1:].split(':', 1)
|
|
if len(parts) != 2:
|
|
raise SynapseError(
|
|
400, "Expected %s of the form '%slocalname:domain'" % (
|
|
cls.__name__, cls.SIGIL,
|
|
)
|
|
)
|
|
|
|
domain = parts[1]
|
|
|
|
# This code will need changing if we want to support multiple domain
|
|
# names on one HS
|
|
return cls(localpart=parts[0], domain=domain)
|
|
|
|
def to_string(self):
|
|
"""Return a string encoding the fields of the structure object."""
|
|
return "%s%s:%s" % (self.SIGIL, self.localpart, self.domain)
|
|
|
|
@classmethod
|
|
def create(cls, localpart, domain,):
|
|
return cls(localpart=localpart, domain=domain)
|
|
|
|
|
|
class UserID(DomainSpecificString):
|
|
"""Structure representing a user ID."""
|
|
SIGIL = "@"
|
|
|
|
|
|
class RoomAlias(DomainSpecificString):
|
|
"""Structure representing a room name."""
|
|
SIGIL = "#"
|
|
|
|
|
|
class RoomID(DomainSpecificString):
|
|
"""Structure representing a room id. """
|
|
SIGIL = "!"
|
|
|
|
|
|
class EventID(DomainSpecificString):
|
|
"""Structure representing an event id. """
|
|
SIGIL = "$"
|
|
|
|
|
|
class StreamToken(
|
|
namedtuple(
|
|
"Token",
|
|
("room_key", "presence_key", "typing_key")
|
|
)
|
|
):
|
|
_SEPARATOR = "_"
|
|
|
|
@classmethod
|
|
def from_string(cls, string):
|
|
try:
|
|
keys = string.split(cls._SEPARATOR)
|
|
|
|
return cls(*keys)
|
|
except:
|
|
raise SynapseError(400, "Invalid Token")
|
|
|
|
def to_string(self):
|
|
return self._SEPARATOR.join([str(k) for k in self])
|
|
|
|
def copy_and_replace(self, key, new_value):
|
|
d = self._asdict()
|
|
d[key] = new_value
|
|
return StreamToken(**d)
|