mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-09 11:21:08 +01:00
153bfbbea5
* Merge user API databases into one * Remove DeviceDatabase from config * Fix tests * Try that again * Clean up keyserver device keys when the devices no longer exist in the user API * Tweak ordering * Fix UserExists flag, device check * Allow including empty entries so we can clean them up * Remove logging
123 lines
3.8 KiB
Go
123 lines
3.8 KiB
Go
// Copyright 2018 New Vector Ltd
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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 api contains methods used by dendrite components in multi-process
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// mode to send requests to the appservice component, typically in order to ask
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// an application service for some information.
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package api
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import (
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"context"
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"database/sql"
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"errors"
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"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
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userdb "github.com/matrix-org/dendrite/userapi/storage"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// RoomAliasExistsRequest is a request to an application service
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// about whether a room alias exists
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type RoomAliasExistsRequest struct {
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// Alias we want to lookup
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Alias string `json:"alias"`
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}
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// RoomAliasExistsResponse is a response from an application service
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// about whether a room alias exists
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type RoomAliasExistsResponse struct {
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AliasExists bool `json:"exists"`
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}
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// UserIDExistsRequest is a request to an application service about whether a
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// user ID exists
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type UserIDExistsRequest struct {
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// UserID we want to lookup
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UserID string `json:"user_id"`
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}
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// UserIDExistsRequestAccessToken is a request to an application service
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// about whether a user ID exists. Includes an access token
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type UserIDExistsRequestAccessToken struct {
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// UserID we want to lookup
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UserID string `json:"user_id"`
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AccessToken string `json:"access_token"`
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}
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// UserIDExistsResponse is a response from an application service about
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// whether a user ID exists
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type UserIDExistsResponse struct {
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UserIDExists bool `json:"exists"`
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}
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// AppServiceQueryAPI is used to query user and room alias data from application
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// services
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type AppServiceQueryAPI interface {
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// Check whether a room alias exists within any application service namespaces
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RoomAliasExists(
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ctx context.Context,
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req *RoomAliasExistsRequest,
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resp *RoomAliasExistsResponse,
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) error
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// Check whether a user ID exists within any application service namespaces
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UserIDExists(
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ctx context.Context,
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req *UserIDExistsRequest,
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resp *UserIDExistsResponse,
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) error
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}
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// RetrieveUserProfile is a wrapper that queries both the local database and
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// application services for a given user's profile
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// TODO: Remove this, it's called from federationapi and clientapi but is a pure function
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func RetrieveUserProfile(
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ctx context.Context,
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userID string,
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asAPI AppServiceQueryAPI,
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accountDB userdb.Database,
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) (*authtypes.Profile, error) {
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localpart, _, err := gomatrixserverlib.SplitID('@', userID)
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if err != nil {
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return nil, err
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}
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// Try to query the user from the local database
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profile, err := accountDB.GetProfileByLocalpart(ctx, localpart)
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if err != nil && err != sql.ErrNoRows {
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return nil, err
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} else if profile != nil {
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return profile, nil
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}
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// Query the appservice component for the existence of an AS user
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userReq := UserIDExistsRequest{UserID: userID}
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var userResp UserIDExistsResponse
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if err = asAPI.UserIDExists(ctx, &userReq, &userResp); err != nil {
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return nil, err
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}
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// If no user exists, return
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if !userResp.UserIDExists {
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return nil, errors.New("no known profile for given user ID")
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}
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// Try to query the user from the local database again
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profile, err = accountDB.GetProfileByLocalpart(ctx, localpart)
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if err != nil {
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return nil, err
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}
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// profile should not be nil at this point
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return profile, nil
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}
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