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package tables
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/tidwall/gjson"
)
type EventJSONPair struct {
EventNID types.EventNID
RoomVersion gomatrixserverlib.RoomVersion
EventJSON []byte
}
type EventJSON interface {
// Insert the event JSON. On conflict, replace the event JSON with the new value (for redactions).
InsertEventJSON(ctx context.Context, tx *sql.Tx, eventNID types.EventNID, eventJSON []byte) error
BulkSelectEventJSON(ctx context.Context, tx *sql.Tx, eventNIDs []types.EventNID) ([]EventJSONPair, error)
}
type EventTypes interface {
InsertEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
SelectEventTypeNID(ctx context.Context, tx *sql.Tx, eventType string) (types.EventTypeNID, error)
BulkSelectEventTypeNID(ctx context.Context, txn *sql.Tx, eventTypes []string) (map[string]types.EventTypeNID, error)
}
type EventStateKeys interface {
InsertEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
SelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKey string) (types.EventStateKeyNID, error)
BulkSelectEventStateKeyNID(ctx context.Context, txn *sql.Tx, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
BulkSelectEventStateKey(ctx context.Context, txn *sql.Tx, eventStateKeyNIDs []types.EventStateKeyNID) (map[types.EventStateKeyNID]string, error)
}
type Events interface {
InsertEvent(
ctx context.Context, txn *sql.Tx, i types.RoomNID, j types.EventTypeNID, k types.EventStateKeyNID, eventID string,
referenceSHA256 []byte, authEventNIDs []types.EventNID, depth int64, isRejected bool,
) (types.EventNID, types.StateSnapshotNID, error)
SelectEvent(ctx context.Context, txn *sql.Tx, eventID string) (types.EventNID, types.StateSnapshotNID, error)
// bulkSelectStateEventByID lookups a list of state events by event ID.
// If any of the requested events are missing from the database it returns a types.MissingEventError
BulkSelectStateEventByID(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StateEntry, error)
BulkSelectStateEventByNID(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntry, error)
// BulkSelectStateAtEventByID lookups the state at a list of events by event ID.
// If any of the requested events are missing from the database it returns a types.MissingEventError.
// If we do not have the state for any of the requested events it returns a types.MissingEventError.
BulkSelectStateAtEventByID(ctx context.Context, txn *sql.Tx, eventIDs []string) ([]types.StateAtEvent, error)
UpdateEventState(ctx context.Context, txn *sql.Tx, eventNID types.EventNID, stateNID types.StateSnapshotNID) error
SelectEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (sentToOutput bool, err error)
UpdateEventSentToOutput(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) error
SelectEventID(ctx context.Context, txn *sql.Tx, eventNID types.EventNID) (eventID string, err error)
BulkSelectStateAtEventAndReference(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) ([]types.StateAtEventAndReference, error)
BulkSelectEventReference(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) ([]gomatrixserverlib.EventReference, error)
// BulkSelectEventID returns a map from numeric event ID to string event ID.
BulkSelectEventID(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
// BulkSelectEventNIDs returns a map from string event ID to numeric event ID.
// If an event ID is not in the database then it is omitted from the map.
BulkSelectEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error)
BulkSelectUnsentEventNID(ctx context.Context, txn *sql.Tx, eventIDs []string) (map[string]types.EventNID, error)
SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
SelectRoomNIDsForEventNIDs(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (roomNIDs map[types.EventNID]types.RoomNID, err error)
}
type Rooms interface {
InsertRoomNID(ctx context.Context, txn *sql.Tx, roomID string, roomVersion gomatrixserverlib.RoomVersion) (types.RoomNID, error)
SelectRoomNID(ctx context.Context, txn *sql.Tx, roomID string) (types.RoomNID, error)
SelectLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.StateSnapshotNID, error)
SelectLatestEventsNIDsForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) ([]types.EventNID, types.EventNID, types.StateSnapshotNID, error)
UpdateLatestEventNIDs(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, eventNIDs []types.EventNID, lastEventSentNID types.EventNID, stateSnapshotNID types.StateSnapshotNID) error
SelectRoomVersionsForRoomNIDs(ctx context.Context, txn *sql.Tx, roomNID []types.RoomNID) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error)
SelectRoomInfo(ctx context.Context, txn *sql.Tx, roomID string) (*types.RoomInfo, error)
SelectRoomIDs(ctx context.Context, txn *sql.Tx) ([]string, error)
BulkSelectRoomIDs(ctx context.Context, txn *sql.Tx, roomNIDs []types.RoomNID) ([]string, error)
BulkSelectRoomNIDs(ctx context.Context, txn *sql.Tx, roomIDs []string) ([]types.RoomNID, error)
}
type StateSnapshot interface {
InsertState(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, stateBlockNIDs types.StateBlockNIDs) (stateNID types.StateSnapshotNID, err error)
BulkSelectStateBlockNIDs(ctx context.Context, txn *sql.Tx, stateNIDs []types.StateSnapshotNID) ([]types.StateBlockNIDList, error)
}
type StateBlock interface {
BulkInsertStateData(ctx context.Context, txn *sql.Tx, entries types.StateEntries) (types.StateBlockNID, error)
BulkSelectStateBlockEntries(ctx context.Context, txn *sql.Tx, stateBlockNIDs types.StateBlockNIDs) ([][]types.EventNID, error)
//BulkSelectFilteredStateBlockEntries(ctx context.Context, stateBlockNIDs []types.StateBlockNID, stateKeyTuples []types.StateKeyTuple) ([]types.StateEntryList, error)
}
type RoomAliases interface {
InsertRoomAlias(ctx context.Context, txn *sql.Tx, alias string, roomID string, creatorUserID string) (err error)
SelectRoomIDFromAlias(ctx context.Context, txn *sql.Tx, alias string) (roomID string, err error)
SelectAliasesFromRoomID(ctx context.Context, txn *sql.Tx, roomID string) ([]string, error)
SelectCreatorIDFromAlias(ctx context.Context, txn *sql.Tx, alias string) (creatorID string, err error)
DeleteRoomAlias(ctx context.Context, txn *sql.Tx, alias string) (err error)
}
type PreviousEvents interface {
InsertPreviousEvent(ctx context.Context, txn *sql.Tx, previousEventID string, previousEventReferenceSHA256 []byte, eventNID types.EventNID) error
// Check if the event reference exists
// Returns sql.ErrNoRows if the event reference doesn't exist.
SelectPreviousEventExists(ctx context.Context, txn *sql.Tx, eventID string, eventReferenceSHA256 []byte) error
}
type Invites interface {
InsertInviteEvent(ctx context.Context, txn *sql.Tx, inviteEventID string, roomNID types.RoomNID, targetUserNID, senderUserNID types.EventStateKeyNID, inviteEventJSON []byte) (bool, error)
UpdateInviteRetired(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) ([]string, error)
// SelectInviteActiveForUserInRoom returns a list of sender state key NIDs and invite event IDs matching those nids.
SelectInviteActiveForUserInRoom(ctx context.Context, txn *sql.Tx, targetUserNID types.EventStateKeyNID, roomNID types.RoomNID) ([]types.EventStateKeyNID, []string, error)
}
type MembershipState int64
const (
MembershipStateLeaveOrBan MembershipState = 1
MembershipStateInvite MembershipState = 2
MembershipStateJoin MembershipState = 3
MembershipStateKnock MembershipState = 4
)
type Membership interface {
InsertMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, localTarget bool) error
SelectMembershipForUpdate(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (MembershipState, error)
SelectMembershipFromRoomAndTarget(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (types.EventNID, MembershipState, bool, error)
SelectMembershipsFromRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, localOnly bool) (eventNIDs []types.EventNID, err error)
SelectMembershipsFromRoomAndMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, membership MembershipState, localOnly bool) (eventNIDs []types.EventNID, err error)
UpdateMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, senderUserNID types.EventStateKeyNID, membership MembershipState, eventNID types.EventNID, forgotten bool) error
SelectRoomsWithMembership(ctx context.Context, txn *sql.Tx, userID types.EventStateKeyNID, membershipState MembershipState) ([]types.RoomNID, error)
// SelectJoinedUsersSetForRooms returns the set of all users in the rooms who are joined to any of these rooms, along with the
// counts of how many rooms they are joined.
SelectJoinedUsersSetForRooms(ctx context.Context, txn *sql.Tx, roomNIDs []types.RoomNID) (map[types.EventStateKeyNID]int, error)
SelectKnownUsers(ctx context.Context, txn *sql.Tx, userID types.EventStateKeyNID, searchString string, limit int) ([]string, error)
UpdateForgetMembership(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID, forget bool) error
SelectLocalServerInRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID) (bool, error)
SelectServerInRoom(ctx context.Context, txn *sql.Tx, roomNID types.RoomNID, serverName gomatrixserverlib.ServerName) (bool, error)
}
type Published interface {
UpsertRoomPublished(ctx context.Context, txn *sql.Tx, roomID string, published bool) (err error)
SelectPublishedFromRoomID(ctx context.Context, txn *sql.Tx, roomID string) (published bool, err error)
SelectAllPublishedRooms(ctx context.Context, txn *sql.Tx, published bool) ([]string, error)
}
type RedactionInfo struct {
// whether this redaction is validated (we have both events)
Validated bool
// the ID of the event being redacted
RedactsEventID string
// the ID of the redaction event
RedactionEventID string
}
type Redactions interface {
InsertRedaction(ctx context.Context, txn *sql.Tx, info RedactionInfo) error
// SelectRedactionInfoByRedactionEventID returns the redaction info for the given redaction event ID, or nil if there is no match.
SelectRedactionInfoByRedactionEventID(ctx context.Context, txn *sql.Tx, redactionEventID string) (*RedactionInfo, error)
// SelectRedactionInfoByEventBeingRedacted returns the redaction info for the given redacted event ID, or nil if there is no match.
SelectRedactionInfoByEventBeingRedacted(ctx context.Context, txn *sql.Tx, eventID string) (*RedactionInfo, error)
// Mark this redaction event as having been validated. This means we have both sides of the redaction and have
// successfully redacted the event JSON.
MarkRedactionValidated(ctx context.Context, txn *sql.Tx, redactionEventID string, validated bool) error
}
// StrippedEvent represents a stripped event for returning extracted content values.
type StrippedEvent struct {
RoomID string
EventType string
StateKey string
ContentValue string
}
// ExtractContentValue from the given state event. For example, given an m.room.name event with:
// content: { name: "Foo" }
// this returns "Foo".
func ExtractContentValue(ev *gomatrixserverlib.HeaderedEvent) string {
content := ev.Content()
key := ""
switch ev.Type() {
case gomatrixserverlib.MRoomCreate:
key = "creator"
case gomatrixserverlib.MRoomCanonicalAlias:
key = "alias"
case gomatrixserverlib.MRoomHistoryVisibility:
key = "history_visibility"
case gomatrixserverlib.MRoomJoinRules:
key = "join_rule"
case gomatrixserverlib.MRoomMember:
key = "membership"
case gomatrixserverlib.MRoomName:
key = "name"
case "m.room.avatar":
key = "url"
case "m.room.topic":
key = "topic"
case "m.room.guest_access":
key = "guest_access"
}
result := gjson.GetBytes(content, key)
if !result.Exists() {
return ""
}
// this returns the empty string if this is not a string type
return result.Str
}
|
