1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
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, 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, 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, eventStateKeys []string) (map[string]types.EventStateKeyNID, error)
BulkSelectEventStateKey(ctx context.Context, 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, eventIDs []string) ([]types.StateEntry, error)
BulkSelectStateEventByNID(ctx context.Context, 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, 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, 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, eventIDs []string) (map[string]types.EventNID, error)
SelectMaxEventDepth(ctx context.Context, txn *sql.Tx, eventNIDs []types.EventNID) (int64, error)
SelectRoomNIDsForEventNIDs(ctx context.Context, 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, roomNID []types.RoomNID) (map[types.RoomNID]gomatrixserverlib.RoomVersion, error)
SelectRoomInfo(ctx context.Context, roomID string) (*types.RoomInfo, error)
SelectRoomIDs(ctx context.Context) ([]string, error)
BulkSelectRoomIDs(ctx context.Context, roomNIDs []types.RoomNID) ([]string, error)
BulkSelectRoomNIDs(ctx context.Context, roomIDs []string) ([]types.RoomNID, error)
}
type Transactions interface {
InsertTransaction(ctx context.Context, txn *sql.Tx, transactionID string, sessionID int64, userID string, eventID string) error
SelectTransactionEventID(ctx context.Context, transactionID string, sessionID int64, userID string) (eventID string, err 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, 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, 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, alias string) (roomID string, err error)
SelectAliasesFromRoomID(ctx context.Context, roomID string) ([]string, error)
SelectCreatorIDFromAlias(ctx context.Context, 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, targetUserNID types.EventStateKeyNID, roomNID types.RoomNID) ([]types.EventStateKeyNID, []string, error)
}
type MembershipState int64
const (
MembershipStateLeaveOrBan MembershipState = 1
MembershipStateInvite MembershipState = 2
MembershipStateJoin MembershipState = 3
)
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, roomNID types.RoomNID, targetUserNID types.EventStateKeyNID) (types.EventNID, MembershipState, bool, error)
SelectMembershipsFromRoom(ctx context.Context, roomNID types.RoomNID, localOnly bool) (eventNIDs []types.EventNID, err error)
SelectMembershipsFromRoomAndMembership(ctx context.Context, 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, 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, roomNIDs []types.RoomNID) (map[types.EventStateKeyNID]int, error)
SelectKnownUsers(ctx context.Context, 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, roomNID types.RoomNID) (bool, error)
}
type Published interface {
UpsertRoomPublished(ctx context.Context, txn *sql.Tx, roomID string, published bool) (err error)
SelectPublishedFromRoomID(ctx context.Context, roomID string) (published bool, err error)
SelectAllPublishedRooms(ctx context.Context, 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
}
|
