218 lines
8.3 KiB
Go
218 lines
8.3 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 shared
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import (
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"context"
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"database/sql"
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"fmt"
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"github.com/matrix-org/dendrite/federationsender/storage/tables"
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"github.com/matrix-org/dendrite/federationsender/types"
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"github.com/matrix-org/dendrite/internal/caching"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database struct {
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DB *sql.DB
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Cache caching.FederationSenderCache
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Writer sqlutil.Writer
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FederationSenderQueuePDUs tables.FederationSenderQueuePDUs
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FederationSenderQueueEDUs tables.FederationSenderQueueEDUs
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FederationSenderQueueJSON tables.FederationSenderQueueJSON
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FederationSenderJoinedHosts tables.FederationSenderJoinedHosts
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FederationSenderRooms tables.FederationSenderRooms
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FederationSenderBlacklist tables.FederationSenderBlacklist
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FederationSenderOutboundPeeks tables.FederationSenderOutboundPeeks
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FederationSenderInboundPeeks tables.FederationSenderInboundPeeks
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}
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// An Receipt contains the NIDs of a call to GetNextTransactionPDUs/EDUs.
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// We don't actually export the NIDs but we need the caller to be able
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// to pass them back so that we can clean up if the transaction sends
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// successfully.
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type Receipt struct {
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nid int64
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}
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func (r *Receipt) String() string {
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return fmt.Sprintf("%d", r.nid)
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}
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// UpdateRoom updates the joined hosts for a room and returns what the joined
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// hosts were before the update, or nil if this was a duplicate message.
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// This is called when we receive a message from kafka, so we pass in
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// oldEventID and newEventID to check that we haven't missed any messages or
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// this isn't a duplicate message.
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func (d *Database) UpdateRoom(
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ctx context.Context,
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roomID, oldEventID, newEventID string,
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addHosts []types.JoinedHost,
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removeHosts []string,
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) (joinedHosts []types.JoinedHost, err error) {
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err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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err = d.FederationSenderRooms.InsertRoom(ctx, txn, roomID)
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if err != nil {
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return err
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}
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lastSentEventID, err := d.FederationSenderRooms.SelectRoomForUpdate(ctx, txn, roomID)
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if err != nil {
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return err
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}
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if lastSentEventID == newEventID {
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// We've handled this message before, so let's just ignore it.
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// We can only get a duplicate for the last message we processed,
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// so its enough just to compare the newEventID with lastSentEventID
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return nil
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}
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if lastSentEventID != "" && lastSentEventID != oldEventID {
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return types.EventIDMismatchError{
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DatabaseID: lastSentEventID, RoomServerID: oldEventID,
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}
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}
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joinedHosts, err = d.FederationSenderJoinedHosts.SelectJoinedHostsWithTx(ctx, txn, roomID)
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if err != nil {
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return err
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}
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for _, add := range addHosts {
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err = d.FederationSenderJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName)
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if err != nil {
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return err
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}
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}
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if err = d.FederationSenderJoinedHosts.DeleteJoinedHosts(ctx, txn, removeHosts); err != nil {
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return err
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}
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return d.FederationSenderRooms.UpdateRoom(ctx, txn, roomID, newEventID)
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})
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return
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}
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// GetJoinedHosts returns the currently joined hosts for room,
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// as known to federationserver.
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// Returns an error if something goes wrong.
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func (d *Database) GetJoinedHosts(
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ctx context.Context, roomID string,
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) ([]types.JoinedHost, error) {
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return d.FederationSenderJoinedHosts.SelectJoinedHosts(ctx, roomID)
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}
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// GetAllJoinedHosts returns the currently joined hosts for
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// all rooms known to the federation sender.
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// Returns an error if something goes wrong.
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func (d *Database) GetAllJoinedHosts(ctx context.Context) ([]gomatrixserverlib.ServerName, error) {
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return d.FederationSenderJoinedHosts.SelectAllJoinedHosts(ctx)
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}
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func (d *Database) GetJoinedHostsForRooms(ctx context.Context, roomIDs []string) ([]gomatrixserverlib.ServerName, error) {
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return d.FederationSenderJoinedHosts.SelectJoinedHostsForRooms(ctx, roomIDs)
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}
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// StoreJSON adds a JSON blob into the queue JSON table and returns
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// a NID. The NID will then be used when inserting the per-destination
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// metadata entries.
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func (d *Database) StoreJSON(
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ctx context.Context, js string,
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) (*Receipt, error) {
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var nid int64
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var err error
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_ = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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nid, err = d.FederationSenderQueueJSON.InsertQueueJSON(ctx, txn, js)
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return err
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})
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if err != nil {
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return nil, fmt.Errorf("d.insertQueueJSON: %w", err)
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}
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return &Receipt{
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nid: nid,
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}, nil
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}
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func (d *Database) PurgeRoomState(
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ctx context.Context, roomID string,
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) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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// If the event is a create event then we'll delete all of the existing
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// data for the room. The only reason that a create event would be replayed
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// to us in this way is if we're about to receive the entire room state.
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if err := d.FederationSenderJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
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return fmt.Errorf("d.FederationSenderJoinedHosts.DeleteJoinedHosts: %w", err)
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}
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return nil
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})
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}
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func (d *Database) AddServerToBlacklist(serverName gomatrixserverlib.ServerName) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderBlacklist.InsertBlacklist(context.TODO(), txn, serverName)
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})
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}
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func (d *Database) RemoveServerFromBlacklist(serverName gomatrixserverlib.ServerName) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderBlacklist.DeleteBlacklist(context.TODO(), txn, serverName)
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})
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}
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func (d *Database) IsServerBlacklisted(serverName gomatrixserverlib.ServerName) (bool, error) {
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return d.FederationSenderBlacklist.SelectBlacklist(context.TODO(), nil, serverName)
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}
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func (d *Database) AddOutboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string, renewalInterval int64) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderOutboundPeeks.InsertOutboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) RenewOutboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string, renewalInterval int64) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderOutboundPeeks.RenewOutboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) GetOutboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string) (*types.OutboundPeek, error) {
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return d.FederationSenderOutboundPeeks.SelectOutboundPeek(ctx, nil, serverName, roomID, peekID)
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}
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func (d *Database) GetOutboundPeeks(ctx context.Context, roomID string) ([]types.OutboundPeek, error) {
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return d.FederationSenderOutboundPeeks.SelectOutboundPeeks(ctx, nil, roomID)
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}
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func (d *Database) AddInboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string, renewalInterval int64) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderInboundPeeks.InsertInboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) RenewInboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string, renewalInterval int64) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationSenderInboundPeeks.RenewInboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) GetInboundPeek(ctx context.Context, serverName gomatrixserverlib.ServerName, roomID, peekID string) (*types.InboundPeek, error) {
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return d.FederationSenderInboundPeeks.SelectInboundPeek(ctx, nil, serverName, roomID, peekID)
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}
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func (d *Database) GetInboundPeeks(ctx context.Context, roomID string) ([]types.InboundPeek, error) {
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return d.FederationSenderInboundPeeks.SelectInboundPeeks(ctx, nil, roomID)
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}
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