mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-14 23:32:45 +00:00
258 lines
19 KiB
Go
258 lines
19 KiB
Go
// Copyright 2020 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.
|
|
|
|
package storage
|
|
|
|
import (
|
|
"context"
|
|
"crypto/ed25519"
|
|
|
|
"github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/matrix-org/gomatrixserverlib/spec"
|
|
|
|
"github.com/matrix-org/dendrite/roomserver/state"
|
|
"github.com/matrix-org/dendrite/roomserver/storage/shared"
|
|
"github.com/matrix-org/dendrite/roomserver/storage/tables"
|
|
"github.com/matrix-org/dendrite/roomserver/types"
|
|
)
|
|
|
|
type Database interface {
|
|
UserRoomKeys
|
|
// Do we support processing input events for more than one room at a time?
|
|
SupportsConcurrentRoomInputs() bool
|
|
AssignRoomNID(ctx context.Context, roomID spec.RoomID, roomVersion gomatrixserverlib.RoomVersion) (roomNID types.RoomNID, err error)
|
|
// RoomInfo returns room information for the given room ID, or nil if there is no room.
|
|
RoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
|
|
RoomInfoByNID(ctx context.Context, roomNID types.RoomNID) (*types.RoomInfo, error)
|
|
// Store the room state at an event in the database
|
|
AddState(
|
|
ctx context.Context,
|
|
roomNID types.RoomNID,
|
|
stateBlockNIDs []types.StateBlockNID,
|
|
state []types.StateEntry,
|
|
) (types.StateSnapshotNID, error)
|
|
|
|
MissingAuthPrevEvents(
|
|
ctx context.Context, e gomatrixserverlib.PDU,
|
|
) (missingAuth, missingPrev []string, err error)
|
|
|
|
// Look up the state of a room at each event for a list of string event IDs.
|
|
// Returns an error if there is an error talking to the database.
|
|
// The length of []types.StateAtEvent is guaranteed to equal the length of eventIDs if no error is returned.
|
|
// Returns a types.MissingEventError if the room state for the event IDs aren't in the database
|
|
StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
|
|
// Look up the numeric IDs for a list of string event types.
|
|
// Returns a map from string event type to numeric ID for the event type.
|
|
EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
|
|
// Look up the numeric IDs for a list of string event state keys.
|
|
// Returns a map from string state key to numeric ID for the state key.
|
|
EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
|
|
// Look up the numeric state data IDs for each numeric state snapshot ID
|
|
// The returned slice is sorted by numeric state snapshot ID.
|
|
StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
|
|
// Look up the state data for each numeric state data ID
|
|
// The returned slice is sorted by numeric state data ID.
|
|
StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
|
|
// Look up the state data for the state key tuples for each numeric state block ID
|
|
// This is used to fetch a subset of the room state at a snapshot.
|
|
// If a block doesn't contain any of the requested tuples then it can be discarded from the result.
|
|
// The returned slice is sorted by numeric state block ID.
|
|
StateEntriesForTuples(
|
|
ctx context.Context,
|
|
stateBlockNIDs []types.StateBlockNID,
|
|
stateKeyTuples []types.StateKeyTuple,
|
|
) ([]types.StateEntryList, error)
|
|
// Look up the Events for a list of numeric event IDs.
|
|
// Returns a sorted list of events.
|
|
Events(ctx context.Context, roomVersion gomatrixserverlib.RoomVersion, eventNIDs []types.EventNID) ([]types.Event, error)
|
|
// Look up snapshot NID for an event ID string
|
|
SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
|
|
BulkSelectSnapshotsFromEventIDs(ctx context.Context, eventIDs []string) (map[types.StateSnapshotNID][]string, error)
|
|
// Stores a matrix room event in the database. Returns the room NID, the state snapshot or an error.
|
|
StoreEvent(ctx context.Context, event gomatrixserverlib.PDU, roomInfo *types.RoomInfo, eventTypeNID types.EventTypeNID, eventStateKeyNID types.EventStateKeyNID, authEventNIDs []types.EventNID, isRejected bool) (types.EventNID, types.StateAtEvent, error)
|
|
// Look up the state entries for a list of string event IDs
|
|
// Returns an error if the there is an error talking to the database
|
|
// Returns a types.MissingEventError if the event IDs aren't in the database.
|
|
StateEntriesForEventIDs(ctx context.Context, eventIDs []string, excludeRejected bool) ([]types.StateEntry, error)
|
|
// Look up the string event state keys for a list of numeric event state keys
|
|
// Returns an error if there was a problem talking to the database.
|
|
EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
|
|
// Look up the numeric IDs for a list of events.
|
|
// Returns an error if there was a problem talking to the database.
|
|
EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventMetadata, error)
|
|
// Set the state at an event. FIXME TODO: "at"
|
|
SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
|
|
// Lookup the event IDs for a batch of event numeric IDs.
|
|
// Returns an error if the retrieval went wrong.
|
|
EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
|
|
// Opens and returns a room updater, which locks the room and opens a transaction.
|
|
// The GetRoomUpdater must have Commit or Rollback called on it if this doesn't return an error.
|
|
// If this returns an error then no further action is required.
|
|
// IsEventRejected returns true if the event is known and rejected.
|
|
IsEventRejected(ctx context.Context, roomNID types.RoomNID, eventID string) (rejected bool, err error)
|
|
GetRoomUpdater(ctx context.Context, roomInfo *types.RoomInfo) (*shared.RoomUpdater, error)
|
|
// Look up event references for the latest events in the room and the current state snapshot.
|
|
// Returns the latest events, the current state and the maximum depth of the latest events plus 1.
|
|
// Returns an error if there was a problem talking to the database.
|
|
LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]string, types.StateSnapshotNID, int64, error)
|
|
// Look up the active invites targeting a user in a room and return the
|
|
// numeric state key IDs for the user IDs who sent them along with the event IDs for the invites.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetInvitesForUser(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (senderUserIDs []types.EventStateKeyNID, eventIDs []string, inviteEventJSON []byte, err error)
|
|
// Save a given room alias with the room ID it refers to.
|
|
// Returns an error if there was a problem talking to the database.
|
|
SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
|
|
// Look up the room ID a given alias refers to.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
|
|
// Look up all aliases referring to a given room ID.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
|
|
// Get the user ID of the creator of an alias.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
|
|
// Remove a given room alias.
|
|
// Returns an error if there was a problem talking to the database.
|
|
RemoveRoomAlias(ctx context.Context, alias string) error
|
|
// Build a membership updater for the target user in a room.
|
|
MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (*shared.MembershipUpdater, error)
|
|
// Lookup the membership of a given user in a given room.
|
|
// Returns the numeric ID of the latest membership event sent from this user
|
|
// in this room, along a boolean set to true if the user is still in this room,
|
|
// false if not.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderID spec.SenderID) (membershipEventNID types.EventNID, stillInRoom, isRoomForgotten bool, err error)
|
|
// Lookup the membership event numeric IDs for all user that are or have
|
|
// been members of a given room. Only lookup events of "join" membership if
|
|
// joinOnly is set to true.
|
|
// Returns an error if there was a problem talking to the database.
|
|
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool) ([]types.EventNID, error)
|
|
// EventsFromIDs looks up the Events for a list of event IDs. Does not error if event was
|
|
// not found.
|
|
// Returns an error if the retrieval went wrong.
|
|
EventsFromIDs(ctx context.Context, roomInfo *types.RoomInfo, eventIDs []string) ([]types.Event, error)
|
|
// PerformPublish publishes or unpublishes a room from the room directory. Returns a database error, if any.
|
|
PublishRoom(ctx context.Context, roomID, appserviceID, networkID string, publish bool) error
|
|
// Returns a list of room IDs for rooms which are published.
|
|
GetPublishedRooms(ctx context.Context, networkID string, includeAllNetworks bool) ([]string, error)
|
|
// Returns whether a given room is published or not.
|
|
GetPublishedRoom(ctx context.Context, roomID string) (bool, error)
|
|
|
|
// TODO: factor out - from currentstateserver
|
|
|
|
// GetStateEvent returns the state event of a given type for a given room with a given state key
|
|
// If no event could be found, returns nil
|
|
// If there was an issue during the retrieval, returns an error
|
|
GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*types.HeaderedEvent, error)
|
|
GetStateEventsWithEventType(ctx context.Context, roomID, evType string) ([]*types.HeaderedEvent, error)
|
|
// GetRoomsByMembership returns a list of room IDs matching the provided membership and user ID (as state_key).
|
|
GetRoomsByMembership(ctx context.Context, userID spec.UserID, membership string) ([]string, error)
|
|
// GetBulkStateContent returns all state events which match a given room ID and a given state key tuple. Both must be satisfied for a match.
|
|
// If a tuple has the StateKey of '*' and allowWildcards=true then all state events with the EventType should be returned.
|
|
GetBulkStateContent(ctx context.Context, roomIDs []string, tuples []gomatrixserverlib.StateKeyTuple, allowWildcards bool) ([]tables.StrippedEvent, error)
|
|
// JoinedUsersSetInRooms returns how many times each of the given users appears across the given rooms.
|
|
JoinedUsersSetInRooms(ctx context.Context, roomIDs, userIDs []string, localOnly bool) (map[string]int, error)
|
|
// GetLocalServerInRoom returns true if we think we're in a given room or false otherwise.
|
|
GetLocalServerInRoom(ctx context.Context, roomNID types.RoomNID) (bool, error)
|
|
// GetServerInRoom returns true if we think a server is in a given room or false otherwise.
|
|
GetServerInRoom(ctx context.Context, roomNID types.RoomNID, serverName spec.ServerName) (bool, error)
|
|
// GetKnownUsers searches all users that userID knows about.
|
|
GetKnownUsers(ctx context.Context, userID, searchString string, limit int) ([]string, error)
|
|
// GetKnownRooms returns a list of all rooms we know about.
|
|
GetKnownRooms(ctx context.Context) ([]string, error)
|
|
// ForgetRoom sets a flag in the membership table, that the user wishes to forget a specific room
|
|
ForgetRoom(ctx context.Context, userID, roomID string, forget bool) error
|
|
|
|
GetHistoryVisibilityState(ctx context.Context, roomInfo *types.RoomInfo, eventID string, domain string) ([]gomatrixserverlib.PDU, error)
|
|
GetLeftUsers(ctx context.Context, userIDs []string) ([]string, error)
|
|
PurgeRoom(ctx context.Context, roomID string) error
|
|
UpgradeRoom(ctx context.Context, oldRoomID, newRoomID, eventSender string) error
|
|
|
|
// GetMembershipForHistoryVisibility queries the membership events for the given eventIDs.
|
|
// Returns a map from (input) eventID -> membership event. If no membership event is found, returns an empty event, resulting in
|
|
// a membership of "leave" when calculating history visibility.
|
|
GetMembershipForHistoryVisibility(
|
|
ctx context.Context, userNID types.EventStateKeyNID, info *types.RoomInfo, eventIDs ...string,
|
|
) (map[string]*types.HeaderedEvent, error)
|
|
GetOrCreateRoomInfo(ctx context.Context, event gomatrixserverlib.PDU) (*types.RoomInfo, error)
|
|
GetRoomVersion(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error)
|
|
GetOrCreateEventTypeNID(ctx context.Context, eventType string) (eventTypeNID types.EventTypeNID, err error)
|
|
GetOrCreateEventStateKeyNID(ctx context.Context, eventStateKey *string) (types.EventStateKeyNID, error)
|
|
MaybeRedactEvent(
|
|
ctx context.Context, roomInfo *types.RoomInfo, eventNID types.EventNID, event gomatrixserverlib.PDU, plResolver state.PowerLevelResolver, querier api.QuerySenderIDAPI,
|
|
) (gomatrixserverlib.PDU, gomatrixserverlib.PDU, error)
|
|
}
|
|
|
|
type UserRoomKeys interface {
|
|
// InsertUserRoomPrivatePublicKey inserts the given private key as well as the public key for it. This should be used
|
|
// when creating keys locally.
|
|
InsertUserRoomPrivatePublicKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID, key ed25519.PrivateKey) (result ed25519.PrivateKey, err error)
|
|
// InsertUserRoomPublicKey inserts the given public key, this should be used for users NOT local to this server
|
|
InsertUserRoomPublicKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID, key ed25519.PublicKey) (result ed25519.PublicKey, err error)
|
|
// SelectUserRoomPrivateKey selects the private key for the given user and room combination
|
|
SelectUserRoomPrivateKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID) (key ed25519.PrivateKey, err error)
|
|
// SelectUserRoomPublicKey selects the public key for the given user and room combination
|
|
SelectUserRoomPublicKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID) (key ed25519.PublicKey, err error)
|
|
// SelectUserIDsForPublicKeys selects all userIDs for the requested senderKeys. Returns a map from roomID -> map from publicKey to userID.
|
|
// If a senderKey can't be found, it is omitted in the result.
|
|
// TODO: Why is the result map indexed by string not public key?
|
|
// TODO: Shouldn't the input & result map be changed to be indexed by string instead of the RoomID struct?
|
|
SelectUserIDsForPublicKeys(ctx context.Context, publicKeys map[spec.RoomID][]ed25519.PublicKey) (map[spec.RoomID]map[string]string, error)
|
|
}
|
|
|
|
type RoomDatabase interface {
|
|
EventDatabase
|
|
UserRoomKeys
|
|
AssignRoomNID(ctx context.Context, roomID spec.RoomID, roomVersion gomatrixserverlib.RoomVersion) (roomNID types.RoomNID, err error)
|
|
// RoomInfo returns room information for the given room ID, or nil if there is no room.
|
|
RoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
|
|
RoomInfoByNID(ctx context.Context, roomNID types.RoomNID) (*types.RoomInfo, error)
|
|
// IsEventRejected returns true if the event is known and rejected.
|
|
IsEventRejected(ctx context.Context, roomNID types.RoomNID, eventID string) (rejected bool, err error)
|
|
MissingAuthPrevEvents(ctx context.Context, e gomatrixserverlib.PDU) (missingAuth, missingPrev []string, err error)
|
|
UpgradeRoom(ctx context.Context, oldRoomID, newRoomID, eventSender string) error
|
|
GetRoomUpdater(ctx context.Context, roomInfo *types.RoomInfo) (*shared.RoomUpdater, error)
|
|
GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool) ([]types.EventNID, error)
|
|
StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
|
|
StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
|
|
BulkSelectSnapshotsFromEventIDs(ctx context.Context, eventIDs []string) (map[types.StateSnapshotNID][]string, error)
|
|
StateEntriesForTuples(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
|
|
AddState(ctx context.Context, roomNID types.RoomNID, stateBlockNIDs []types.StateBlockNID, state []types.StateEntry) (types.StateSnapshotNID, error)
|
|
LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]string, types.StateSnapshotNID, int64, error)
|
|
GetOrCreateRoomInfo(ctx context.Context, event gomatrixserverlib.PDU) (*types.RoomInfo, error)
|
|
GetOrCreateEventTypeNID(ctx context.Context, eventType string) (eventTypeNID types.EventTypeNID, err error)
|
|
GetOrCreateEventStateKeyNID(ctx context.Context, eventStateKey *string) (types.EventStateKeyNID, error)
|
|
GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*types.HeaderedEvent, error)
|
|
}
|
|
|
|
type EventDatabase interface {
|
|
EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
|
|
EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
|
|
EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
|
|
StateEntriesForEventIDs(ctx context.Context, eventIDs []string, excludeRejected bool) ([]types.StateEntry, error)
|
|
EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventMetadata, error)
|
|
SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
|
|
StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
|
|
SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
|
|
EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
|
|
EventsFromIDs(ctx context.Context, roomInfo *types.RoomInfo, eventIDs []string) ([]types.Event, error)
|
|
Events(ctx context.Context, roomVersion gomatrixserverlib.RoomVersion, eventNIDs []types.EventNID) ([]types.Event, error)
|
|
// MaybeRedactEvent returns the redaction event and the redacted event if this call resulted in a redaction, else an error
|
|
// (nil if there was nothing to do)
|
|
MaybeRedactEvent(
|
|
ctx context.Context, roomInfo *types.RoomInfo, eventNID types.EventNID, event gomatrixserverlib.PDU, plResolver state.PowerLevelResolver, querier api.QuerySenderIDAPI,
|
|
) (gomatrixserverlib.PDU, gomatrixserverlib.PDU, error)
|
|
StoreEvent(ctx context.Context, event gomatrixserverlib.PDU, roomInfo *types.RoomInfo, eventTypeNID types.EventTypeNID, eventStateKeyNID types.EventStateKeyNID, authEventNIDs []types.EventNID, isRejected bool) (types.EventNID, types.StateAtEvent, error)
|
|
}
|