dendrite/appservice/api/query.go

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// Copyright 2018 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package api contains methods used by dendrite components in multi-process
// mode to send requests to the appservice component, typically in order to ask
// an application service for some information.
package api
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/internal"
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)
// RoomAliasExistsRequest is a request to an application service
// about whether a room alias exists
type RoomAliasExistsRequest struct {
// Alias we want to lookup
Alias string `json:"alias"`
}
// RoomAliasExistsResponse is a response from an application service
// about whether a room alias exists
type RoomAliasExistsResponse struct {
AliasExists bool `json:"exists"`
}
// UserIDExistsRequest is a request to an application service about whether a
// user ID exists
type UserIDExistsRequest struct {
// UserID we want to lookup
UserID string `json:"user_id"`
}
// UserIDExistsRequestAccessToken is a request to an application service
// about whether a user ID exists. Includes an access token
type UserIDExistsRequestAccessToken struct {
// UserID we want to lookup
UserID string `json:"user_id"`
AccessToken string `json:"access_token"`
}
// UserIDExistsResponse is a response from an application service about
// whether a user ID exists
type UserIDExistsResponse struct {
UserIDExists bool `json:"exists"`
}
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// AppServiceQueryAPI is used to query user and room alias data from application
// services
type AppServiceQueryAPI interface {
// Check whether a room alias exists within any application service namespaces
RoomAliasExists(
ctx context.Context,
req *RoomAliasExistsRequest,
resp *RoomAliasExistsResponse,
) error
// Check whether a user ID exists within any application service namespaces
UserIDExists(
ctx context.Context,
req *UserIDExistsRequest,
resp *UserIDExistsResponse,
) error
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}
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// RetrieveUserProfile is a wrapper that queries both the local database and
// application services for a given user's profile
// TODO: Remove this, it's called from federationapi and clientapi but is a pure function
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func RetrieveUserProfile(
ctx context.Context,
userID string,
asAPI AppServiceQueryAPI,
Support sqlite in addition to postgres (#869) * Move current work into single branch * Initial massaging of clientapi etc (not working yet) * Interfaces for accounts/devices databases * Duplicate postgres package for sqlite3 (no changes made to it yet) * Some keydb, accountdb, devicedb, common partition fixes, some more syncapi tweaking * Fix accounts DB, device DB * Update naffka dependency for SQLite * Naffka SQLite * Update naffka to latest master * SQLite support for federationsender * Mostly not-bad support for SQLite in syncapi (although there are problems where lots of events get classed incorrectly as backward extremities, probably because of IN/ANY clauses that are badly supported) * Update Dockerfile -> Go 1.13.7, add build-base (as gcc and friends are needed for SQLite) * Implement GET endpoints for account_data in clientapi * Nuke filtering for now... * Revert "Implement GET endpoints for account_data in clientapi" This reverts commit 4d80dff4583d278620d9b3ed437e9fcd8d4674ee. * Implement GET endpoints for account_data in clientapi (#861) * Implement GET endpoints for account_data in clientapi * Fix accountDB parameter * Remove fmt.Println * Fix insertAccountData SQLite query * Fix accountDB storage interfaces * Add empty push rules into account data on account creation (#862) * Put SaveAccountData into the right function this time * Not sure if roomserver is better or worse now * sqlite work * Allow empty last sent ID for the first event * sqlite: room creation works * Support sending messages * Nuke fmt.println * Move QueryVariadic etc into common, other device fixes * Fix some linter issues * Fix bugs * Fix some linting errors * Fix errcheck lint errors * Make naffka use postgres as fallback, fix couple of compile errors * What on earth happened to the /rooms/{roomID}/send/{eventType} routing Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
2020-02-13 17:27:33 +00:00
accountDB accounts.Database,
) (*authtypes.Profile, error) {
localpart, _, err := gomatrixserverlib.SplitID('@', userID)
if err != nil {
return nil, err
}
// Try to query the user from the local database
profile, err := accountDB.GetProfileByLocalpart(ctx, localpart)
if err != nil && err != sql.ErrNoRows {
return nil, err
} else if profile != nil {
return profile, nil
}
// Query the appservice component for the existence of an AS user
userReq := UserIDExistsRequest{UserID: userID}
var userResp UserIDExistsResponse
if err = asAPI.UserIDExists(ctx, &userReq, &userResp); err != nil {
return nil, err
}
// If no user exists, return
if !userResp.UserIDExists {
return nil, internal.ErrProfileNoExists
}
// Try to query the user from the local database again
profile, err = accountDB.GetProfileByLocalpart(ctx, localpart)
if err != nil {
return nil, err
}
// profile should not be nil at this point
return profile, nil
}