mirror of
https://github.com/matrix-org/dendrite.git
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246 lines
15 KiB
Go
246 lines
15 KiB
Go
package tables
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import (
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"context"
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"crypto/ed25519"
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"database/sql"
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"errors"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/tidwall/gjson"
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"github.com/matrix-org/dendrite/roomserver/types"
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)
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var OptimisationNotSupportedError = errors.New("optimisation not supported")
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type EventJSONPair struct {
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EventNID types.EventNID
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EventJSON []byte
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}
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type EventJSON interface {
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// Insert the event JSON. On conflict, replace the event JSON with the new value (for redactions).
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InsertEventJSON(ctx context.Context, tx *sql.Tx, eventNID types.EventNID, eventJSON []byte) error
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BulkSelectEventJSON(ctx context.Context, tx *sql.Tx, eventNIDs []types.EventNID) ([]EventJSONPair, error)
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}
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type EventTypes interface {
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InsertEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
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SelectEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
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BulkSelectEventTypeNID(ctx context.Context, txn *sql.Tx, eventTypes []string) (map[string]types.EventTypeNID, error)
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}
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type EventStateKeys interface {
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InsertEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
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SelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
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BulkSelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
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BulkSelectEventStateKey(ctx context.Context, txn *sql.Tx, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
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}
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type Events interface {
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InsertEvent(
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ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventTypeNID types.EventTypeNID,
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eventStateKeyNID types.EventStateKeyNID, eventID string,
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authEventNIDs []types.EventNID, depth int64, isRejected bool,
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) (types.EventNID, types.StateSnapshotNID, error)
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SelectEvent(ctx context.Context, txn *sql.Tx, eventID string) (types.EventNID, types.StateSnapshotNID, error)
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BulkSelectSnapshotsFromEventIDs(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[types.StateSnapshotNID][]string, error)
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// bulkSelectStateEventByID lookups a list of state events by event ID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError
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BulkSelectStateEventByID(ctx context.Context, txn *sql.Tx, eventIDs []string, excludeRejected bool) ([]types.StateEntry, error)
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BulkSelectStateEventByNID(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntry, error)
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// BulkSelectStateAtEventByID lookups the state at a list of events by event ID.
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// If any of the requested events are missing from the database it returns a types.MissingEventError.
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// If we do not have the state for any of the requested events it returns a types.MissingEventError.
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BulkSelectStateAtEventByID(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StateAtEvent, error)
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UpdateEventState(ctx context.Context, txn *sql.Tx, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
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SelectEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (sentToOutput bool, err error)
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UpdateEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) error
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SelectEventID(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (eventID string, err error)
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BulkSelectStateAtEventAndReference(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) ([]types.StateAtEventAndReference, error)
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// BulkSelectEventID returns a map from numeric event ID to string event ID.
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BulkSelectEventID(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
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// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
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// If an event ID is not in the database then it is omitted from the map.
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BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventMetadata, error)
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BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventMetadata, error)
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SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
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SelectRoomNIDsForEventNIDs(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (roomNIDs map[types.EventNID]types.RoomNID, err error)
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SelectEventRejected(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventID string) (rejected bool, err error)
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}
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type Rooms interface {
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InsertRoomNID(ctx context.Context, txn *sql.Tx, roomID string, roomVersion gomatrixserverlib.RoomVersion) (types.RoomNID, error)
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SelectRoomNID(ctx context.Context, txn *sql.Tx, roomID string) (types.RoomNID, error)
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SelectRoomNIDForUpdate(ctx context.Context, txn *sql.Tx, roomID string) (types.RoomNID, error)
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SelectLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.StateSnapshotNID, error)
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SelectLatestEventsNIDsForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error)
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UpdateLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventNIDs []types.EventNID, lastEventSentNID types.EventNID, stateSnapshotNID types.StateSnapshotNID) error
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SelectRoomVersionsForRoomNIDs(ctx context.Context, txn *sql.Tx, roomNID []types.RoomNID) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error)
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SelectRoomInfo(ctx context.Context, txn *sql.Tx, roomID string) (*types.RoomInfo, error)
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SelectRoomIDsWithEvents(ctx context.Context, txn *sql.Tx) ([]string, error)
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BulkSelectRoomIDs(ctx context.Context, txn *sql.Tx, roomNIDs []types.RoomNID) ([]string, error)
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BulkSelectRoomNIDs(ctx context.Context, txn *sql.Tx, roomIDs []string) ([]types.RoomNID, error)
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}
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type StateSnapshot interface {
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InsertState(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, stateBlockNIDs types.StateBlockNIDs) (stateNID types.StateSnapshotNID, err error)
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BulkSelectStateBlockNIDs(ctx context.Context, txn *sql.Tx, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
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// BulkSelectStateForHistoryVisibility is a PostgreSQL-only optimisation for finding
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// which users are in a room faster than having to load the entire room state. In the
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// case of SQLite, this will return tables.OptimisationNotSupportedError.
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BulkSelectStateForHistoryVisibility(ctx context.Context, txn *sql.Tx, stateSnapshotNID types.StateSnapshotNID, domain string) ([]types.EventNID, error)
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BulkSelectMembershipForHistoryVisibility(
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ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomInfo *types.RoomInfo, eventIDs ...string,
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) (map[string]*types.HeaderedEvent, error)
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}
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type StateBlock interface {
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BulkInsertStateData(ctx context.Context, txn *sql.Tx, entries types.StateEntries) (types.StateBlockNID, error)
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BulkSelectStateBlockEntries(ctx context.Context, txn *sql.Tx, stateBlockNIDs types.StateBlockNIDs) ([][]types.EventNID, error)
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//BulkSelectFilteredStateBlockEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
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}
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type RoomAliases interface {
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InsertRoomAlias(ctx context.Context, txn *sql.Tx, alias string, roomID string, creatorUserID string) (err error)
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SelectRoomIDFromAlias(ctx context.Context, txn *sql.Tx, alias string) (roomID string, err error)
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SelectAliasesFromRoomID(ctx context.Context, txn *sql.Tx, roomID string) ([]string, error)
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SelectCreatorIDFromAlias(ctx context.Context, txn *sql.Tx, alias string) (creatorID string, err error)
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DeleteRoomAlias(ctx context.Context, txn *sql.Tx, alias string) (err error)
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}
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type PreviousEvents interface {
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InsertPreviousEvent(ctx context.Context, txn *sql.Tx, previousEventID string, eventNID types.EventNID) error
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// Check if the event reference exists
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// Returns sql.ErrNoRows if the event reference doesn't exist.
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SelectPreviousEventExists(ctx context.Context, txn *sql.Tx, eventID string) error
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}
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type Invites interface {
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InsertInviteEvent(ctx context.Context, txn *sql.Tx, inviteEventID string, roomNID types.RoomNID, targetUserNID, senderUserNID types.EventStateKeyNID, inviteEventJSON []byte) (bool, error)
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UpdateInviteRetired(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) ([]string, error)
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// SelectInviteActiveForUserInRoom returns a list of sender state key NIDs and invite event IDs matching those nids.
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SelectInviteActiveForUserInRoom(ctx context.Context, txn *sql.Tx, targetUserNID types.EventStateKeyNID, roomNID types.RoomNID) ([]types.EventStateKeyNID, []string, []byte, error)
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}
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type MembershipState int64
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const (
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MembershipStateLeaveOrBan MembershipState = 1
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MembershipStateInvite MembershipState = 2
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MembershipStateJoin MembershipState = 3
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MembershipStateKnock MembershipState = 4
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)
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type Membership interface {
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InsertMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, localTarget bool) error
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SelectMembershipForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (MembershipState, error)
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SelectMembershipFromRoomAndTarget(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (types.EventNID, MembershipState, bool, error)
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SelectMembershipsFromRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, localOnly bool) (eventNIDs []types.EventNID, err error)
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SelectMembershipsFromRoomAndMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, membership MembershipState, localOnly bool) (eventNIDs []types.EventNID, err error)
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UpdateMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, senderUserNID types.EventStateKeyNID, membership MembershipState, eventNID types.EventNID, forgotten bool) (bool, error)
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SelectRoomsWithMembership(ctx context.Context, txn *sql.Tx, userID types.EventStateKeyNID, membershipState MembershipState) ([]types.RoomNID, error)
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// SelectJoinedUsersSetForRooms returns how many times each of the given users appears across the given rooms.
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SelectJoinedUsersSetForRooms(ctx context.Context, txn *sql.Tx, roomNIDs []types.RoomNID, userNIDs []types.EventStateKeyNID, localOnly bool) (map[types.EventStateKeyNID]int, error)
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SelectKnownUsers(ctx context.Context, txn *sql.Tx, userID types.EventStateKeyNID, searchString string, limit int) ([]string, error)
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UpdateForgetMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, forget bool) error
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SelectLocalServerInRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) (bool, error)
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SelectServerInRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, serverName spec.ServerName) (bool, error)
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DeleteMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) error
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SelectJoinedUsers(ctx context.Context, txn *sql.Tx, targetUserNIDs []types.EventStateKeyNID) ([]types.EventStateKeyNID, error)
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}
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type Published interface {
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UpsertRoomPublished(ctx context.Context, txn *sql.Tx, roomID, appserviceID, networkID string, published bool) (err error)
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SelectPublishedFromRoomID(ctx context.Context, txn *sql.Tx, roomID string) (published bool, err error)
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SelectAllPublishedRooms(ctx context.Context, txn *sql.Tx, networkdID string, published, includeAllNetworks bool) ([]string, error)
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}
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type RedactionInfo struct {
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// whether this redaction is validated (we have both events)
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Validated bool
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// the ID of the event being redacted
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RedactsEventID string
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// the ID of the redaction event
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RedactionEventID string
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}
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type Redactions interface {
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InsertRedaction(ctx context.Context, txn *sql.Tx, info RedactionInfo) error
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// SelectRedactionInfoByRedactionEventID returns the redaction info for the given redaction event ID, or nil if there is no match.
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SelectRedactionInfoByRedactionEventID(ctx context.Context, txn *sql.Tx, redactionEventID string) (*RedactionInfo, error)
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// SelectRedactionInfoByEventBeingRedacted returns the redaction info for the given redacted event ID, or nil if there is no match.
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SelectRedactionInfoByEventBeingRedacted(ctx context.Context, txn *sql.Tx, eventID string) (*RedactionInfo, error)
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// Mark this redaction event as having been validated. This means we have both sides of the redaction and have
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// successfully redacted the event JSON.
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MarkRedactionValidated(ctx context.Context, txn *sql.Tx, redactionEventID string, validated bool) error
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}
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type Purge interface {
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PurgeRoom(
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ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, roomID string,
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) error
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}
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type UserRoomKeys interface {
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// InsertUserRoomPrivatePublicKey inserts the given private key as well as the public key for it. This should be used
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// when creating keys locally.
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InsertUserRoomPrivatePublicKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID, key ed25519.PrivateKey) (ed25519.PrivateKey, error)
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// InsertUserRoomPublicKey inserts the given public key, this should be used for users NOT local to this server
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InsertUserRoomPublicKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID, key ed25519.PublicKey) (ed25519.PublicKey, error)
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// SelectUserRoomPrivateKey selects the private key for the given user and room combination
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SelectUserRoomPrivateKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID) (ed25519.PrivateKey, error)
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// SelectUserRoomPublicKey selects the public key for the given user and room combination
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SelectUserRoomPublicKey(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID, roomNID types.RoomNID) (ed25519.PublicKey, error)
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// BulkSelectUserNIDs selects all userIDs for the requested senderKeys. Returns a map from publicKey -> types.UserRoomKeyPair.
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// If a senderKey can't be found, it is omitted in the result.
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BulkSelectUserNIDs(ctx context.Context, txn *sql.Tx, senderKeys map[types.RoomNID][]ed25519.PublicKey) (map[string]types.UserRoomKeyPair, error)
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// SelectAllPublicKeysForUser returns all known public keys for a user. Returns a map from room NID -> public key
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SelectAllPublicKeysForUser(ctx context.Context, txn *sql.Tx, userNID types.EventStateKeyNID) (map[types.RoomNID]ed25519.PublicKey, error)
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}
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// StrippedEvent represents a stripped event for returning extracted content values.
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type StrippedEvent struct {
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RoomID string
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EventType string
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StateKey string
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ContentValue string
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}
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// ExtractContentValue from the given state event. For example, given an m.room.name event with:
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// content: { name: "Foo" }
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// this returns "Foo".
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func ExtractContentValue(ev *types.HeaderedEvent) string {
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content := ev.Content()
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key := ""
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switch ev.Type() {
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case spec.MRoomCreate:
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key = "creator"
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case spec.MRoomCanonicalAlias:
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key = "alias"
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case spec.MRoomHistoryVisibility:
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key = "history_visibility"
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case spec.MRoomJoinRules:
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key = "join_rule"
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case spec.MRoomMember:
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key = "membership"
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case spec.MRoomName:
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key = "name"
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case "m.room.avatar":
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key = "url"
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case "m.room.topic":
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key = "topic"
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case "m.room.guest_access":
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key = "guest_access"
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}
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result := gjson.GetBytes(content, key)
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if !result.Exists() {
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return ""
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}
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// this returns the empty string if this is not a string type
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return result.Str
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}
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