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Previously, we were using `content.chunk_id` to connect one chunk to another. But these events can be from any `sender` and we can't tell who should be able to send historical events. We know we only want the application service to do it but these events have the sender of a real historical message, not the application service user ID as the sender. Other federated homeservers also have no indicator which senders are an application service on the originating homeserver. So we want to auth all of the MSC2716 events via power_levels and have them be sent by the application service with proper PL levels in the room.
227 lines
6.0 KiB
Python
227 lines
6.0 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2017 Vector Creations Ltd
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# Copyright 2018-2019 New Vector Ltd
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Contains constants from the specification."""
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# the max size of a (canonical-json-encoded) event
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MAX_PDU_SIZE = 65536
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# the "depth" field on events is limited to 2**63 - 1
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MAX_DEPTH = 2 ** 63 - 1
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# the maximum length for a room alias is 255 characters
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MAX_ALIAS_LENGTH = 255
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# the maximum length for a user id is 255 characters
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MAX_USERID_LENGTH = 255
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# The maximum length for a group id is 255 characters
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MAX_GROUPID_LENGTH = 255
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MAX_GROUP_CATEGORYID_LENGTH = 255
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MAX_GROUP_ROLEID_LENGTH = 255
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class Membership:
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"""Represents the membership states of a user in a room."""
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INVITE = "invite"
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JOIN = "join"
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KNOCK = "knock"
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LEAVE = "leave"
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BAN = "ban"
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LIST = (INVITE, JOIN, KNOCK, LEAVE, BAN)
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class PresenceState:
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"""Represents the presence state of a user."""
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OFFLINE = "offline"
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UNAVAILABLE = "unavailable"
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ONLINE = "online"
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BUSY = "org.matrix.msc3026.busy"
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class JoinRules:
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PUBLIC = "public"
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KNOCK = "knock"
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INVITE = "invite"
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PRIVATE = "private"
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# As defined for MSC3083.
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MSC3083_RESTRICTED = "restricted"
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class RestrictedJoinRuleTypes:
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"""Understood types for the allow rules in restricted join rules."""
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ROOM_MEMBERSHIP = "m.room_membership"
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class LoginType:
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PASSWORD = "m.login.password"
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EMAIL_IDENTITY = "m.login.email.identity"
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MSISDN = "m.login.msisdn"
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RECAPTCHA = "m.login.recaptcha"
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TERMS = "m.login.terms"
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SSO = "m.login.sso"
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DUMMY = "m.login.dummy"
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# This is used in the `type` parameter for /register when called by
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# an appservice to register a new user.
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APP_SERVICE_REGISTRATION_TYPE = "m.login.application_service"
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class EventTypes:
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Member = "m.room.member"
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Create = "m.room.create"
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Tombstone = "m.room.tombstone"
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JoinRules = "m.room.join_rules"
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PowerLevels = "m.room.power_levels"
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Aliases = "m.room.aliases"
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Redaction = "m.room.redaction"
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ThirdPartyInvite = "m.room.third_party_invite"
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RelatedGroups = "m.room.related_groups"
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RoomHistoryVisibility = "m.room.history_visibility"
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CanonicalAlias = "m.room.canonical_alias"
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Encrypted = "m.room.encrypted"
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RoomAvatar = "m.room.avatar"
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RoomEncryption = "m.room.encryption"
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GuestAccess = "m.room.guest_access"
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# These are used for validation
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Message = "m.room.message"
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Topic = "m.room.topic"
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Name = "m.room.name"
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ServerACL = "m.room.server_acl"
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Pinned = "m.room.pinned_events"
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Retention = "m.room.retention"
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Dummy = "org.matrix.dummy_event"
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SpaceChild = "m.space.child"
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SpaceParent = "m.space.parent"
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MSC2716_INSERTION = "org.matrix.msc2716.insertion"
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MSC2716_CHUNK = "org.matrix.msc2716.chunk"
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MSC2716_MARKER = "org.matrix.msc2716.marker"
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class ToDeviceEventTypes:
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RoomKeyRequest = "m.room_key_request"
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class EduTypes:
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Presence = "m.presence"
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class RejectedReason:
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AUTH_ERROR = "auth_error"
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class RoomCreationPreset:
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PRIVATE_CHAT = "private_chat"
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PUBLIC_CHAT = "public_chat"
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TRUSTED_PRIVATE_CHAT = "trusted_private_chat"
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class ThirdPartyEntityKind:
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USER = "user"
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LOCATION = "location"
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ServerNoticeMsgType = "m.server_notice"
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ServerNoticeLimitReached = "m.server_notice.usage_limit_reached"
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class UserTypes:
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"""Allows for user type specific behaviour. With the benefit of hindsight
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'admin' and 'guest' users should also be UserTypes. Normal users are type None
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"""
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SUPPORT = "support"
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BOT = "bot"
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ALL_USER_TYPES = (SUPPORT, BOT)
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class RelationTypes:
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"""The types of relations known to this server."""
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ANNOTATION = "m.annotation"
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REPLACE = "m.replace"
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REFERENCE = "m.reference"
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class LimitBlockingTypes:
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"""Reasons that a server may be blocked"""
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MONTHLY_ACTIVE_USER = "monthly_active_user"
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HS_DISABLED = "hs_disabled"
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class EventContentFields:
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"""Fields found in events' content, regardless of type."""
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# Labels for the event, cf https://github.com/matrix-org/matrix-doc/pull/2326
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LABELS = "org.matrix.labels"
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# Timestamp to delete the event after
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# cf https://github.com/matrix-org/matrix-doc/pull/2228
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SELF_DESTRUCT_AFTER = "org.matrix.self_destruct_after"
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# cf https://github.com/matrix-org/matrix-doc/pull/1772
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ROOM_TYPE = "type"
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# Used on normal messages to indicate they were historically imported after the fact
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MSC2716_HISTORICAL = "org.matrix.msc2716.historical"
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# For "insertion" events to indicate what the next chunk ID should be in
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# order to connect to it
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MSC2716_NEXT_CHUNK_ID = "org.matrix.msc2716.next_chunk_id"
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# Used on "chunk" events to indicate which insertion event it connects to
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MSC2716_CHUNK_ID = "org.matrix.msc2716.chunk_id"
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# For "marker" events
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MSC2716_MARKER_INSERTION = "org.matrix.msc2716.marker.insertion"
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MSC2716_MARKER_INSERTION_PREV_EVENTS = (
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"org.matrix.msc2716.marker.insertion_prev_events"
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)
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class RoomTypes:
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"""Understood values of the room_type field of m.room.create events."""
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SPACE = "m.space"
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class RoomEncryptionAlgorithms:
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MEGOLM_V1_AES_SHA2 = "m.megolm.v1.aes-sha2"
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DEFAULT = MEGOLM_V1_AES_SHA2
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class AccountDataTypes:
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DIRECT = "m.direct"
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IGNORED_USER_LIST = "m.ignored_user_list"
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class HistoryVisibility:
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INVITED = "invited"
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JOINED = "joined"
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SHARED = "shared"
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WORLD_READABLE = "world_readable"
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