5b73592f5a
This adds store & forward relays into dendrite for p2p. A few things have changed: - new relay api serves new http endpoints for s&f federation - updated outbound federation queueing which will attempt to forward using s&f if appropriate - database entries to track s&f relays for other nodes
391 lines
12 KiB
Go
391 lines
12 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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"time"
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"github.com/matrix-org/dendrite/federationapi/storage/shared/receipt"
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"github.com/matrix-org/dendrite/federationapi/storage/tables"
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"github.com/matrix-org/dendrite/federationapi/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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IsLocalServerName func(gomatrixserverlib.ServerName) bool
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Cache caching.FederationCache
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Writer sqlutil.Writer
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FederationQueuePDUs tables.FederationQueuePDUs
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FederationQueueEDUs tables.FederationQueueEDUs
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FederationQueueJSON tables.FederationQueueJSON
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FederationJoinedHosts tables.FederationJoinedHosts
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FederationBlacklist tables.FederationBlacklist
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FederationAssumedOffline tables.FederationAssumedOffline
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FederationRelayServers tables.FederationRelayServers
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FederationOutboundPeeks tables.FederationOutboundPeeks
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FederationInboundPeeks tables.FederationInboundPeeks
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NotaryServerKeysJSON tables.FederationNotaryServerKeysJSON
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NotaryServerKeysMetadata tables.FederationNotaryServerKeysMetadata
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ServerSigningKeys tables.FederationServerSigningKeys
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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 string,
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addHosts []types.JoinedHost,
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removeHosts []string,
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purgeRoomFirst bool,
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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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if purgeRoomFirst {
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if err = d.FederationJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
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return fmt.Errorf("d.FederationJoinedHosts.DeleteJoinedHosts: %w", err)
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}
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for _, add := range addHosts {
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if err = d.FederationJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName); err != nil {
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return err
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}
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joinedHosts = append(joinedHosts, add)
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}
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} else {
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if joinedHosts, err = d.FederationJoinedHosts.SelectJoinedHostsWithTx(ctx, txn, roomID); err != nil {
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return err
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}
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for _, add := range addHosts {
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if err = d.FederationJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName); err != nil {
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return err
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}
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}
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if err = d.FederationJoinedHosts.DeleteJoinedHosts(ctx, txn, removeHosts); err != nil {
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return err
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}
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}
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return nil
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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.FederationJoinedHosts.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(
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ctx context.Context,
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) ([]gomatrixserverlib.ServerName, error) {
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return d.FederationJoinedHosts.SelectAllJoinedHosts(ctx)
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}
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func (d *Database) GetJoinedHostsForRooms(
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ctx context.Context,
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roomIDs []string,
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excludeSelf,
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excludeBlacklisted bool,
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) ([]gomatrixserverlib.ServerName, error) {
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servers, err := d.FederationJoinedHosts.SelectJoinedHostsForRooms(ctx, roomIDs, excludeBlacklisted)
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if err != nil {
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return nil, err
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}
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if excludeSelf {
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for i, server := range servers {
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if d.IsLocalServerName(server) {
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copy(servers[i:], servers[i+1:])
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servers = servers[:len(servers)-1]
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break
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}
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}
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}
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return servers, nil
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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.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.FederationQueueJSON.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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newReceipt := receipt.NewReceipt(nid)
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return &newReceipt, nil
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}
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func (d *Database) AddServerToBlacklist(
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serverName gomatrixserverlib.ServerName,
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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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return d.FederationBlacklist.InsertBlacklist(context.TODO(), txn, serverName)
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})
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}
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func (d *Database) RemoveServerFromBlacklist(
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serverName gomatrixserverlib.ServerName,
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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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return d.FederationBlacklist.DeleteBlacklist(context.TODO(), txn, serverName)
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})
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}
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func (d *Database) RemoveAllServersFromBlacklist() error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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return d.FederationBlacklist.DeleteAllBlacklist(context.TODO(), txn)
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})
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}
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func (d *Database) IsServerBlacklisted(
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serverName gomatrixserverlib.ServerName,
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) (bool, error) {
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return d.FederationBlacklist.SelectBlacklist(context.TODO(), nil, serverName)
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}
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func (d *Database) SetServerAssumedOffline(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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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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return d.FederationAssumedOffline.InsertAssumedOffline(ctx, txn, serverName)
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})
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}
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func (d *Database) RemoveServerAssumedOffline(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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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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return d.FederationAssumedOffline.DeleteAssumedOffline(ctx, txn, serverName)
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})
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}
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func (d *Database) RemoveAllServersAssumedOffline(
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ctx context.Context,
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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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return d.FederationAssumedOffline.DeleteAllAssumedOffline(ctx, txn)
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})
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}
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func (d *Database) IsServerAssumedOffline(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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) (bool, error) {
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return d.FederationAssumedOffline.SelectAssumedOffline(ctx, nil, serverName)
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}
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func (d *Database) P2PAddRelayServersForServer(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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relayServers []gomatrixserverlib.ServerName,
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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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return d.FederationRelayServers.InsertRelayServers(ctx, txn, serverName, relayServers)
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})
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}
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func (d *Database) P2PGetRelayServersForServer(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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) ([]gomatrixserverlib.ServerName, error) {
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return d.FederationRelayServers.SelectRelayServers(ctx, nil, serverName)
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}
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func (d *Database) P2PRemoveRelayServersForServer(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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relayServers []gomatrixserverlib.ServerName,
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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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return d.FederationRelayServers.DeleteRelayServers(ctx, txn, serverName, relayServers)
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})
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}
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func (d *Database) P2PRemoveAllRelayServersForServer(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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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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return d.FederationRelayServers.DeleteAllRelayServers(ctx, txn, serverName)
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})
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}
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func (d *Database) AddOutboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID string,
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peekID string,
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renewalInterval int64,
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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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return d.FederationOutboundPeeks.InsertOutboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) RenewOutboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID string,
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peekID string,
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renewalInterval int64,
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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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return d.FederationOutboundPeeks.RenewOutboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) GetOutboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID,
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peekID string,
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) (*types.OutboundPeek, error) {
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return d.FederationOutboundPeeks.SelectOutboundPeek(ctx, nil, serverName, roomID, peekID)
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}
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func (d *Database) GetOutboundPeeks(
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ctx context.Context,
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roomID string,
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) ([]types.OutboundPeek, error) {
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return d.FederationOutboundPeeks.SelectOutboundPeeks(ctx, nil, roomID)
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}
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func (d *Database) AddInboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID string,
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peekID string,
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renewalInterval int64,
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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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return d.FederationInboundPeeks.InsertInboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) RenewInboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID string,
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peekID string,
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renewalInterval int64,
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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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return d.FederationInboundPeeks.RenewInboundPeek(ctx, txn, serverName, roomID, peekID, renewalInterval)
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})
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}
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func (d *Database) GetInboundPeek(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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roomID string,
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peekID string,
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) (*types.InboundPeek, error) {
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return d.FederationInboundPeeks.SelectInboundPeek(ctx, nil, serverName, roomID, peekID)
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}
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func (d *Database) GetInboundPeeks(
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ctx context.Context,
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roomID string,
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) ([]types.InboundPeek, error) {
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return d.FederationInboundPeeks.SelectInboundPeeks(ctx, nil, roomID)
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}
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func (d *Database) UpdateNotaryKeys(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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serverKeys gomatrixserverlib.ServerKeys,
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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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validUntil := serverKeys.ValidUntilTS
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// Servers MUST use the lesser of this field and 7 days into the future when determining if a key is valid.
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// This is to avoid a situation where an attacker publishes a key which is valid for a significant amount of
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// time without a way for the homeserver owner to revoke it.
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// https://spec.matrix.org/unstable/server-server-api/#querying-keys-through-another-server
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weekIntoFuture := time.Now().Add(7 * 24 * time.Hour)
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if weekIntoFuture.Before(validUntil.Time()) {
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validUntil = gomatrixserverlib.AsTimestamp(weekIntoFuture)
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}
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notaryID, err := d.NotaryServerKeysJSON.InsertJSONResponse(ctx, txn, serverKeys, serverName, validUntil)
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if err != nil {
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return err
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}
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// update the metadata for the keys
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for keyID := range serverKeys.OldVerifyKeys {
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_, err = d.NotaryServerKeysMetadata.UpsertKey(ctx, txn, serverName, keyID, notaryID, validUntil)
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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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for keyID := range serverKeys.VerifyKeys {
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_, err = d.NotaryServerKeysMetadata.UpsertKey(ctx, txn, serverName, keyID, notaryID, validUntil)
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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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// clean up old responses
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return d.NotaryServerKeysMetadata.DeleteOldJSONResponses(ctx, txn)
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})
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}
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func (d *Database) GetNotaryKeys(
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ctx context.Context,
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serverName gomatrixserverlib.ServerName,
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optKeyIDs []gomatrixserverlib.KeyID,
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) (sks []gomatrixserverlib.ServerKeys, err error) {
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err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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sks, err = d.NotaryServerKeysMetadata.SelectKeys(ctx, txn, serverName, optKeyIDs)
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return err
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})
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return sks, err
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}
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func (d *Database) PurgeRoom(ctx context.Context, roomID string) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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if err := d.FederationJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
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return fmt.Errorf("failed to purge joined hosts: %w", err)
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}
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if err := d.FederationInboundPeeks.DeleteInboundPeeks(ctx, txn, roomID); err != nil {
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return fmt.Errorf("failed to purge inbound peeks: %w", err)
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}
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if err := d.FederationOutboundPeeks.DeleteOutboundPeeks(ctx, txn, roomID); err != nil {
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return fmt.Errorf("failed to purge outbound peeks: %w", err)
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}
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return nil
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})
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}
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