mirror of
https://github.com/1f349/dendrite.git
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252 lines
9.8 KiB
Go
252 lines
9.8 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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"encoding/json"
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"fmt"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/keyserver/api"
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"github.com/matrix-org/dendrite/keyserver/storage/tables"
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"github.com/matrix-org/dendrite/keyserver/types"
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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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Writer sqlutil.Writer
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OneTimeKeysTable tables.OneTimeKeys
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DeviceKeysTable tables.DeviceKeys
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KeyChangesTable tables.KeyChanges
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StaleDeviceListsTable tables.StaleDeviceLists
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CrossSigningKeysTable tables.CrossSigningKeys
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CrossSigningSigsTable tables.CrossSigningSigs
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}
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func (d *Database) ExistingOneTimeKeys(ctx context.Context, userID, deviceID string, keyIDsWithAlgorithms []string) (map[string]json.RawMessage, error) {
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return d.OneTimeKeysTable.SelectOneTimeKeys(ctx, userID, deviceID, keyIDsWithAlgorithms)
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}
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func (d *Database) StoreOneTimeKeys(ctx context.Context, keys api.OneTimeKeys) (counts *api.OneTimeKeysCount, err error) {
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_ = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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counts, err = d.OneTimeKeysTable.InsertOneTimeKeys(ctx, txn, keys)
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return err
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})
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return
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}
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func (d *Database) OneTimeKeysCount(ctx context.Context, userID, deviceID string) (*api.OneTimeKeysCount, error) {
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return d.OneTimeKeysTable.CountOneTimeKeys(ctx, userID, deviceID)
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}
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func (d *Database) DeviceKeysJSON(ctx context.Context, keys []api.DeviceMessage) error {
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return d.DeviceKeysTable.SelectDeviceKeysJSON(ctx, keys)
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}
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func (d *Database) PrevIDsExists(ctx context.Context, userID string, prevIDs []int64) (bool, error) {
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count, err := d.DeviceKeysTable.CountStreamIDsForUser(ctx, userID, prevIDs)
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if err != nil {
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return false, err
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}
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return count == len(prevIDs), nil
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}
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func (d *Database) StoreRemoteDeviceKeys(ctx context.Context, keys []api.DeviceMessage, clearUserIDs []string) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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for _, userID := range clearUserIDs {
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err := d.DeviceKeysTable.DeleteAllDeviceKeys(ctx, txn, userID)
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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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return d.DeviceKeysTable.InsertDeviceKeys(ctx, txn, keys)
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})
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}
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func (d *Database) StoreLocalDeviceKeys(ctx context.Context, keys []api.DeviceMessage) error {
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// work out the latest stream IDs for each user
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userIDToStreamID := make(map[string]int64)
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for _, k := range keys {
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userIDToStreamID[k.UserID] = 0
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}
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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for userID := range userIDToStreamID {
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streamID, err := d.DeviceKeysTable.SelectMaxStreamIDForUser(ctx, txn, userID)
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if err != nil {
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return err
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}
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userIDToStreamID[userID] = streamID
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}
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// set the stream IDs for each key
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for i := range keys {
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k := keys[i]
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userIDToStreamID[k.UserID]++ // start stream from 1
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k.StreamID = userIDToStreamID[k.UserID]
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keys[i] = k
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}
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return d.DeviceKeysTable.InsertDeviceKeys(ctx, txn, keys)
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})
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}
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func (d *Database) DeviceKeysForUser(ctx context.Context, userID string, deviceIDs []string, includeEmpty bool) ([]api.DeviceMessage, error) {
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return d.DeviceKeysTable.SelectBatchDeviceKeys(ctx, userID, deviceIDs, includeEmpty)
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}
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func (d *Database) ClaimKeys(ctx context.Context, userToDeviceToAlgorithm map[string]map[string]string) ([]api.OneTimeKeys, error) {
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var result []api.OneTimeKeys
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err := d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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for userID, deviceToAlgo := range userToDeviceToAlgorithm {
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for deviceID, algo := range deviceToAlgo {
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keyJSON, err := d.OneTimeKeysTable.SelectAndDeleteOneTimeKey(ctx, txn, userID, deviceID, algo)
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if err != nil {
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return err
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}
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if keyJSON != nil {
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result = append(result, api.OneTimeKeys{
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UserID: userID,
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DeviceID: deviceID,
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KeyJSON: keyJSON,
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})
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}
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}
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}
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return nil
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})
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return result, err
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}
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func (d *Database) StoreKeyChange(ctx context.Context, userID string) (id int64, err error) {
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err = d.Writer.Do(nil, nil, func(_ *sql.Tx) error {
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id, err = d.KeyChangesTable.InsertKeyChange(ctx, userID)
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return err
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})
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return
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}
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func (d *Database) KeyChanges(ctx context.Context, fromOffset, toOffset int64) (userIDs []string, latestOffset int64, err error) {
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return d.KeyChangesTable.SelectKeyChanges(ctx, fromOffset, toOffset)
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}
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// StaleDeviceLists returns a list of user IDs ending with the domains provided who have stale device lists.
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// If no domains are given, all user IDs with stale device lists are returned.
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func (d *Database) StaleDeviceLists(ctx context.Context, domains []gomatrixserverlib.ServerName) ([]string, error) {
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return d.StaleDeviceListsTable.SelectUserIDsWithStaleDeviceLists(ctx, domains)
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}
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// MarkDeviceListStale sets the stale bit for this user to isStale.
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func (d *Database) MarkDeviceListStale(ctx context.Context, userID string, isStale bool) error {
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return d.Writer.Do(nil, nil, func(_ *sql.Tx) error {
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return d.StaleDeviceListsTable.InsertStaleDeviceList(ctx, userID, isStale)
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})
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}
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// DeleteDeviceKeys removes the device keys for a given user/device, and any accompanying
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// cross-signing signatures relating to that device.
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func (d *Database) DeleteDeviceKeys(ctx context.Context, userID string, deviceIDs []gomatrixserverlib.KeyID) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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for _, deviceID := range deviceIDs {
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if err := d.CrossSigningSigsTable.DeleteCrossSigningSigsForTarget(ctx, txn, userID, deviceID); err != nil && err != sql.ErrNoRows {
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return fmt.Errorf("d.CrossSigningSigsTable.DeleteCrossSigningSigsForTarget: %w", err)
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}
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if err := d.DeviceKeysTable.DeleteDeviceKeys(ctx, txn, userID, string(deviceID)); err != nil && err != sql.ErrNoRows {
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return fmt.Errorf("d.DeviceKeysTable.DeleteDeviceKeys: %w", err)
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}
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if err := d.OneTimeKeysTable.DeleteOneTimeKeys(ctx, txn, userID, string(deviceID)); err != nil && err != sql.ErrNoRows {
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return fmt.Errorf("d.OneTimeKeysTable.DeleteOneTimeKeys: %w", err)
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}
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}
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return nil
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})
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}
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// CrossSigningKeysForUser returns the latest known cross-signing keys for a user, if any.
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func (d *Database) CrossSigningKeysForUser(ctx context.Context, userID string) (map[gomatrixserverlib.CrossSigningKeyPurpose]gomatrixserverlib.CrossSigningKey, error) {
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keyMap, err := d.CrossSigningKeysTable.SelectCrossSigningKeysForUser(ctx, nil, userID)
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if err != nil {
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return nil, fmt.Errorf("d.CrossSigningKeysTable.SelectCrossSigningKeysForUser: %w", err)
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}
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results := map[gomatrixserverlib.CrossSigningKeyPurpose]gomatrixserverlib.CrossSigningKey{}
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for purpose, key := range keyMap {
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keyID := gomatrixserverlib.KeyID("ed25519:" + key.Encode())
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result := gomatrixserverlib.CrossSigningKey{
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UserID: userID,
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Usage: []gomatrixserverlib.CrossSigningKeyPurpose{purpose},
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Keys: map[gomatrixserverlib.KeyID]gomatrixserverlib.Base64Bytes{
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keyID: key,
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},
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}
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sigMap, err := d.CrossSigningSigsTable.SelectCrossSigningSigsForTarget(ctx, nil, userID, userID, keyID)
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if err != nil {
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continue
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}
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for sigUserID, forSigUserID := range sigMap {
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if userID != sigUserID {
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continue
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}
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if result.Signatures == nil {
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result.Signatures = map[string]map[gomatrixserverlib.KeyID]gomatrixserverlib.Base64Bytes{}
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}
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if _, ok := result.Signatures[sigUserID]; !ok {
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result.Signatures[sigUserID] = map[gomatrixserverlib.KeyID]gomatrixserverlib.Base64Bytes{}
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}
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for sigKeyID, sigBytes := range forSigUserID {
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result.Signatures[sigUserID][sigKeyID] = sigBytes
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}
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}
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results[purpose] = result
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}
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return results, nil
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}
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// CrossSigningKeysForUser returns the latest known cross-signing keys for a user, if any.
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func (d *Database) CrossSigningKeysDataForUser(ctx context.Context, userID string) (types.CrossSigningKeyMap, error) {
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return d.CrossSigningKeysTable.SelectCrossSigningKeysForUser(ctx, nil, userID)
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}
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// CrossSigningSigsForTarget returns the signatures for a given user's key ID, if any.
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func (d *Database) CrossSigningSigsForTarget(ctx context.Context, originUserID, targetUserID string, targetKeyID gomatrixserverlib.KeyID) (types.CrossSigningSigMap, error) {
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return d.CrossSigningSigsTable.SelectCrossSigningSigsForTarget(ctx, nil, originUserID, targetUserID, targetKeyID)
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}
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// StoreCrossSigningKeysForUser stores the latest known cross-signing keys for a user.
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func (d *Database) StoreCrossSigningKeysForUser(ctx context.Context, userID string, keyMap types.CrossSigningKeyMap) error {
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return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
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for keyType, keyData := range keyMap {
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if err := d.CrossSigningKeysTable.UpsertCrossSigningKeysForUser(ctx, txn, userID, keyType, keyData); err != nil {
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return fmt.Errorf("d.CrossSigningKeysTable.InsertCrossSigningKeysForUser: %w", err)
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}
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}
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return nil
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})
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}
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// StoreCrossSigningSigsForTarget stores a signature for a target user ID and key/dvice.
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func (d *Database) StoreCrossSigningSigsForTarget(
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ctx context.Context,
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originUserID string, originKeyID gomatrixserverlib.KeyID,
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targetUserID string, targetKeyID gomatrixserverlib.KeyID,
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signature gomatrixserverlib.Base64Bytes,
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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 err := d.CrossSigningSigsTable.UpsertCrossSigningSigsForTarget(ctx, nil, originUserID, originKeyID, targetUserID, targetKeyID, signature); err != nil {
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return fmt.Errorf("d.CrossSigningSigsTable.InsertCrossSigningSigsForTarget: %w", err)
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}
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return nil
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})
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}
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