4c1e6597c0
* Use content_value instead of membership
* Fix build
* Replace publicroomsapi with a combination of clientapi/roomserver/currentstateserver
- All public rooms paths are now handled by clientapi
- Requests to (un)publish rooms are sent to the roomserver via `PerformPublish`
which are stored in a new `published_table.go`
- Requests for public rooms are handled in clientapi by:
* Fetch all room IDs which are published using `QueryPublishedRooms` on the roomserver.
* Apply pagination parameters to the slice.
* Do a `QueryBulkStateContent` request to the currentstateserver to pull out
required state event *content* (not entire events).
* Aggregate and return the chunk.
Mostly but not fully implemented (DB queries on currentstateserver are missing)
* Fix pq query
* Make postgres work
* Make sqlite work
* Fix tests
* Unbreak pagination tests
* Linting
146 lines
9.3 KiB
Go
146 lines
9.3 KiB
Go
// Copyright 2020 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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package storage
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import (
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"context"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database interface {
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// Store the room state at an event in the database
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AddState(
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ctx context.Context,
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roomNID types.RoomNID,
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stateBlockNIDs []types.StateBlockNID,
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state []types.StateEntry,
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) (types.StateSnapshotNID, error)
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// Look up the state of a room at each event for a list of string event IDs.
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// Returns an error if there is an error talking to the database.
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// The length of []types.StateAtEvent is guaranteed to equal the length of eventIDs if no error is returned.
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// Returns a types.MissingEventError if the room state for the event IDs aren't in the database
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StateAtEventIDs(ctx context.Context, eventIDs []string) ([]types.StateAtEvent, error)
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// Look up the numeric IDs for a list of string event types.
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// Returns a map from string event type to numeric ID for the event type.
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EventTypeNIDs(ctx context.Context, eventTypes []string) (map[string]types.EventTypeNID, error)
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// Look up the numeric IDs for a list of string event state keys.
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// Returns a map from string state key to numeric ID for the state key.
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EventStateKeyNIDs(ctx context.Context, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
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// Look up the numeric state data IDs for each numeric state snapshot ID
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// The returned slice is sorted by numeric state snapshot ID.
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StateBlockNIDs(ctx context.Context, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
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// Look up the state data for each numeric state data ID
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// The returned slice is sorted by numeric state data ID.
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StateEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID) ([]types.StateEntryList, error)
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// Look up the state data for the state key tuples for each numeric state block ID
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// This is used to fetch a subset of the room state at a snapshot.
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// If a block doesn't contain any of the requested tuples then it can be discarded from the result.
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// The returned slice is sorted by numeric state block ID.
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StateEntriesForTuples(
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ctx context.Context,
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stateBlockNIDs []types.StateBlockNID,
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stateKeyTuples []types.StateKeyTuple,
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) ([]types.StateEntryList, error)
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// Look up the Events for a list of numeric event IDs.
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// Returns a sorted list of events.
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Events(ctx context.Context, eventNIDs []types.EventNID) ([]types.Event, error)
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// Look up snapshot NID for an event ID string
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SnapshotNIDFromEventID(ctx context.Context, eventID string) (types.StateSnapshotNID, error)
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// Look up a room version from the room NID.
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GetRoomVersionForRoomNID(ctx context.Context, roomNID types.RoomNID) (gomatrixserverlib.RoomVersion, error)
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// Stores a matrix room event in the database
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StoreEvent(ctx context.Context, event gomatrixserverlib.Event, txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID) (types.RoomNID, types.StateAtEvent, error)
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// Look up the state entries for a list of string event IDs
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// Returns an error if the there is an error talking to the database
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// Returns a types.MissingEventError if the event IDs aren't in the database.
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StateEntriesForEventIDs(ctx context.Context, eventIDs []string) ([]types.StateEntry, error)
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// Look up the string event state keys for a list of numeric event state keys
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// Returns an error if there was a problem talking to the database.
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EventStateKeys(ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
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// Look up the numeric IDs for a list of events.
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// Returns an error if there was a problem talking to the database.
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EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
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// Set the state at an event. FIXME TODO: "at"
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SetState(ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
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// Lookup the event IDs for a batch of event numeric IDs.
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// Returns an error if the retrieval went wrong.
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EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
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// Look up the latest events in a room in preparation for an update.
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// The RoomRecentEventsUpdater must have Commit or Rollback called on it if this doesn't return an error.
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// Returns the latest events in the room and the last eventID sent to the log along with an updater.
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// If this returns an error then no further action is required.
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GetLatestEventsForUpdate(ctx context.Context, roomNID types.RoomNID) (types.RoomRecentEventsUpdater, error)
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// Look up event ID by transaction's info.
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// This is used to determine if the room event is processed/processing already.
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// Returns an empty string if no such event exists.
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GetTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (string, error)
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// Look up the numeric ID for the room.
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// Returns 0 if the room doesn't exists.
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// Returns an error if there was a problem talking to the database.
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RoomNID(ctx context.Context, roomID string) (types.RoomNID, error)
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// RoomNIDExcludingStubs is a special variation of RoomNID that will return 0 as if the room
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// does not exist if the room has no latest events. This can happen when we've received an
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// invite over federation for a room that we don't know anything else about yet.
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RoomNIDExcludingStubs(ctx context.Context, roomID string) (types.RoomNID, error)
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// Look up event references for the latest events in the room and the current state snapshot.
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// Returns the latest events, the current state and the maximum depth of the latest events plus 1.
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// Returns an error if there was a problem talking to the database.
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LatestEventIDs(ctx context.Context, roomNID types.RoomNID) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error)
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// Look up the active invites targeting a user in a room and return the
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// numeric state key IDs for the user IDs who sent them along with the event IDs for the invites.
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// Returns an error if there was a problem talking to the database.
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GetInvitesForUser(ctx context.Context, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (senderUserIDs []types.EventStateKeyNID, eventIDs []string, err error)
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// Save a given room alias with the room ID it refers to.
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// Returns an error if there was a problem talking to the database.
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SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error
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// Look up the room ID a given alias refers to.
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// Returns an error if there was a problem talking to the database.
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GetRoomIDForAlias(ctx context.Context, alias string) (string, error)
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// Look up all aliases referring to a given room ID.
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// Returns an error if there was a problem talking to the database.
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GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error)
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// Get the user ID of the creator of an alias.
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// Returns an error if there was a problem talking to the database.
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GetCreatorIDForAlias(ctx context.Context, alias string) (string, error)
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// Remove a given room alias.
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// Returns an error if there was a problem talking to the database.
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RemoveRoomAlias(ctx context.Context, alias string) error
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// Build a membership updater for the target user in a room.
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MembershipUpdater(ctx context.Context, roomID, targetUserID string, targetLocal bool, roomVersion gomatrixserverlib.RoomVersion) (types.MembershipUpdater, error)
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// Lookup the membership of a given user in a given room.
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// Returns the numeric ID of the latest membership event sent from this user
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// in this room, along a boolean set to true if the user is still in this room,
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// false if not.
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// Returns an error if there was a problem talking to the database.
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GetMembership(ctx context.Context, roomNID types.RoomNID, requestSenderUserID string) (membershipEventNID types.EventNID, stillInRoom bool, err error)
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// Lookup the membership event numeric IDs for all user that are or have
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// been members of a given room. Only lookup events of "join" membership if
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// joinOnly is set to true.
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// Returns an error if there was a problem talking to the database.
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GetMembershipEventNIDsForRoom(ctx context.Context, roomNID types.RoomNID, joinOnly bool, localOnly bool) ([]types.EventNID, error)
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// EventsFromIDs looks up the Events for a list of event IDs. Does not error if event was
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// not found.
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// Returns an error if the retrieval went wrong.
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EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
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// Look up the room version for a given room.
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GetRoomVersionForRoom(ctx context.Context, roomID string) (gomatrixserverlib.RoomVersion, error)
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// Publish or unpublish a room from the room directory.
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PublishRoom(ctx context.Context, roomID string, publish bool) error
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// Returns a list of room IDs for rooms which are published.
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GetPublishedRooms(ctx context.Context) ([]string, error)
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}
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