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// Copyright 2018 Vector Creations 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 appservice
import (
"context"
"net/http"
"sync"
"time"
appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
"github.com/matrix-org/dendrite/appservice/consumers"
"github.com/matrix-org/dendrite/appservice/query"
"github.com/matrix-org/dendrite/appservice/routing"
"github.com/matrix-org/dendrite/appservice/storage"
"github.com/matrix-org/dendrite/appservice/types"
"github.com/matrix-org/dendrite/appservice/workers"
"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
"github.com/matrix-org/dendrite/common/basecomponent"
"github.com/matrix-org/dendrite/common/config"
"github.com/matrix-org/dendrite/common/transactions"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
)
// SetupAppServiceAPIComponent sets up and registers HTTP handlers for the AppServices
// component.
func SetupAppServiceAPIComponent(
base *basecomponent.BaseDendrite,
accountsDB accounts.Database,
deviceDB devices.Database,
federation *gomatrixserverlib.FederationClient,
rsAPI roomserverAPI.RoomserverInternalAPI,
transactionsCache *transactions.Cache,
) appserviceAPI.AppServiceQueryAPI {
// Create a connection to the appservice postgres DB
appserviceDB, err := storage.NewDatabase(string(base.Cfg.Database.AppService), base.Cfg.DbProperties())
if err != nil {
logrus.WithError(err).Panicf("failed to connect to appservice db")
}
// Wrap application services in a type that relates the application service and
// a sync.Cond object that can be used to notify workers when there are new
// events to be sent out.
workerStates := make([]types.ApplicationServiceWorkerState, len(base.Cfg.Derived.ApplicationServices))
for i, appservice := range base.Cfg.Derived.ApplicationServices {
m := sync.Mutex{}
ws := types.ApplicationServiceWorkerState{
AppService: appservice,
Cond: sync.NewCond(&m),
}
workerStates[i] = ws
// Create bot account for this AS if it doesn't already exist
if err = generateAppServiceAccount(accountsDB, deviceDB, appservice); err != nil {
logrus.WithFields(logrus.Fields{
"appservice": appservice.ID,
}).WithError(err).Panicf("failed to generate bot account for appservice")
}
}
// Create appserivce query API with an HTTP client that will be used for all
// outbound and inbound requests (inbound only for the internal API)
appserviceQueryAPI := query.AppServiceQueryAPI{
HTTPClient: &http.Client{
Timeout: time.Second * 30,
},
Cfg: base.Cfg,
}
if base.EnableHTTPAPIs {
appserviceQueryAPI.SetupHTTP(http.DefaultServeMux)
}
consumer := consumers.NewOutputRoomEventConsumer(
base.Cfg, base.KafkaConsumer, accountsDB, appserviceDB,
rsAPI, workerStates,
)
if err := consumer.Start(); err != nil {
logrus.WithError(err).Panicf("failed to start appservice roomserver consumer")
}
// Create application service transaction workers
if err := workers.SetupTransactionWorkers(appserviceDB, workerStates); err != nil {
logrus.WithError(err).Panicf("failed to start app service transaction workers")
}
// Set up HTTP Endpoints
routing.Setup(
base.APIMux, base.Cfg, rsAPI,
accountsDB, federation, transactionsCache,
)
return &appserviceQueryAPI
}
// generateAppServiceAccounts creates a dummy account based off the
// `sender_localpart` field of each application service if it doesn't
// exist already
func generateAppServiceAccount(
accountsDB accounts.Database,
deviceDB devices.Database,
as config.ApplicationService,
) error {
ctx := context.Background()
// Create an account for the application service
acc, err := accountsDB.CreateAccount(ctx, as.SenderLocalpart, "", as.ID)
if err != nil {
return err
} else if acc == nil {
// This account already exists
return nil
}
// Create a dummy device with a dummy token for the application service
_, err = deviceDB.CreateDevice(ctx, as.SenderLocalpart, nil, as.ASToken, &as.SenderLocalpart)
return err
}
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