summary refs log tree commit diff
path: root/synapse/config/api.py
blob: b18044f9822a8a516f7be42c8984c6f1a2b0c29d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
# Copyright 2015-2021 The Matrix.org Foundation C.I.C.
#
# 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.

import logging
from typing import Iterable

from synapse.api.constants import EventTypes
from synapse.config._base import Config, ConfigError
from synapse.config._util import validate_config
from synapse.types import JsonDict

logger = logging.getLogger(__name__)


class ApiConfig(Config):
    section = "api"

    def read_config(self, config: JsonDict, **kwargs):
        validate_config(_MAIN_SCHEMA, config, ())
        self.room_prejoin_state = list(self._get_prejoin_state_types(config))

    def generate_config_section(cls, **kwargs) -> str:
        formatted_default_state_types = "\n".join(
            "           # - %s" % (t,) for t in _DEFAULT_PREJOIN_STATE_TYPES
        )

        return """\
        ## API Configuration ##

        # Controls for the state that is shared with users who receive an invite
        # to a room
        #
        room_prejoin_state:
           # By default, the following state event types are shared with users who
           # receive invites to the room:
           #
%(formatted_default_state_types)s
           #
           # Uncomment the following to disable these defaults (so that only the event
           # types listed in 'additional_event_types' are shared). Defaults to 'false'.
           #
           #disable_default_event_types: true

           # Additional state event types to share with users when they are invited
           # to a room.
           #
           # By default, this list is empty (so only the default event types are shared).
           #
           #additional_event_types:
           #  - org.example.custom.event.type
        """ % {
            "formatted_default_state_types": formatted_default_state_types
        }

    def _get_prejoin_state_types(self, config: JsonDict) -> Iterable[str]:
        """Get the event types to include in the prejoin state

        Parses the config and returns an iterable of the event types to be included.
        """
        room_prejoin_state_config = config.get("room_prejoin_state") or {}

        # backwards-compatibility support for room_invite_state_types
        if "room_invite_state_types" in config:
            # if both "room_invite_state_types" and "room_prejoin_state" are set, then
            # we don't really know what to do.
            if room_prejoin_state_config:
                raise ConfigError(
                    "Can't specify both 'room_invite_state_types' and 'room_prejoin_state' "
                    "in config"
                )

            logger.warning(_ROOM_INVITE_STATE_TYPES_WARNING)

            yield from config["room_invite_state_types"]
            return

        if not room_prejoin_state_config.get("disable_default_event_types"):
            yield from _DEFAULT_PREJOIN_STATE_TYPES

        yield from room_prejoin_state_config.get("additional_event_types", [])


_ROOM_INVITE_STATE_TYPES_WARNING = """\
WARNING: The 'room_invite_state_types' configuration setting is now deprecated,
and replaced with 'room_prejoin_state'. New features may not work correctly
unless 'room_invite_state_types' is removed. See the sample configuration file for
details of 'room_prejoin_state'.
--------------------------------------------------------------------------------
"""

_DEFAULT_PREJOIN_STATE_TYPES = [
    EventTypes.JoinRules,
    EventTypes.CanonicalAlias,
    EventTypes.RoomAvatar,
    EventTypes.RoomEncryption,
    EventTypes.Name,
    # Per MSC1772.
    EventTypes.Create,
]


# room_prejoin_state can either be None (as it is in the default config), or
# an object containing other config settings
_ROOM_PREJOIN_STATE_CONFIG_SCHEMA = {
    "oneOf": [
        {
            "type": "object",
            "properties": {
                "disable_default_event_types": {"type": "boolean"},
                "additional_event_types": {
                    "type": "array",
                    "items": {"type": "string"},
                },
            },
        },
        {"type": "null"},
    ]
}

# the legacy room_invite_state_types setting
_ROOM_INVITE_STATE_TYPES_SCHEMA = {"type": "array", "items": {"type": "string"}}

_MAIN_SCHEMA = {
    "type": "object",
    "properties": {
        "room_prejoin_state": _ROOM_PREJOIN_STATE_CONFIG_SCHEMA,
        "room_invite_state_types": _ROOM_INVITE_STATE_TYPES_SCHEMA,
    },
}