polycule-connect/polyculeconnect/main.go
chapeau ccb417ad6a
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feat #4: add storage config in config file
2023-10-22 13:56:32 +02:00

154 lines
4.1 KiB
Go

package main
import (
"context"
"encoding/json"
"flag"
"fmt"
"os"
"os/signal"
"time"
"git.faercol.me/faercol/polyculeconnect/polyculeconnect/config"
"git.faercol.me/faercol/polyculeconnect/polyculeconnect/connector"
"git.faercol.me/faercol/polyculeconnect/polyculeconnect/logger"
"git.faercol.me/faercol/polyculeconnect/polyculeconnect/server"
dex_server "github.com/dexidp/dex/server"
"github.com/dexidp/dex/storage"
"github.com/dexidp/dex/storage/memory"
"github.com/prometheus/client_golang/prometheus"
)
const stopTimeout = 10 * time.Second
type cliArgs struct {
configPath string
}
func parseArgs() *cliArgs {
configPath := flag.String("config", "", "Path to the JSON configuration file")
flag.Parse()
return &cliArgs{
configPath: *configPath,
}
}
func initStorage(conf *config.AppConfig) (storage.Storage, error) {
var storageType storage.Storage
switch conf.StorageType {
case "memory":
storageType = memory.New(logger.L)
default:
return storageType, fmt.Errorf("unsupported storage backend type: %s", conf.StorageType)
}
return storageType, nil
}
func main() {
args := parseArgs()
mainCtx, cancel := context.WithCancel(context.Background())
conf, err := config.New(args.configPath)
if err != nil {
panic(err)
}
logger.Init(conf.LogLevel)
logger.L.Infof("Initialized logger with level %v", conf.LogLevel)
storageType, err := initStorage(conf)
if err != nil {
logger.L.Fatalf("Failed to initialize storage backend: %s", err.Error())
}
logger.L.Infof("Initialized storage backend %q", conf.StorageType)
dexConf := dex_server.Config{
Web: dex_server.WebConfig{
Dir: "./",
Theme: "default",
},
Storage: storageType,
Issuer: conf.OpenConnectConfig.Issuer,
SupportedResponseTypes: []string{"code"},
SkipApprovalScreen: false,
AllowedOrigins: []string{"*"},
Logger: logger.L,
PrometheusRegistry: prometheus.NewRegistry(),
}
logger.L.Info("Initializing authentication backends")
dex_server.ConnectorsConfig["refuseAll"] = func() dex_server.ConnectorConfig { return new(connector.RefuseAllConfig) }
if err := dexConf.Storage.CreateConnector(storage.Connector{
ID: "null",
Name: "RefuseAll",
Type: "refuseAll",
Config: nil,
}); err != nil {
logger.L.Errorf("Failed to add connector for backend RefuseAll to stage: %s", err.Error())
}
for _, backend := range conf.OpenConnectConfig.BackendConfigs {
backendConfJson, err := json.Marshal(backend.Config)
if err != nil {
logger.L.Errorf("Failed to serialize oidc config for backend %q: %s", backend.Name, err.Error())
continue
}
if err := dexConf.Storage.CreateConnector(storage.Connector{
ID: backend.ID,
Name: backend.Name,
Type: string(backend.Type),
Config: backendConfJson,
}); err != nil {
logger.L.Errorf("Failed to add connector for backend %q to stage: %s", backend.Name, err.Error())
continue
}
}
logger.L.Info("Initializing clients")
for _, client := range conf.OpenConnectConfig.ClientConfigs {
if err := dexConf.Storage.CreateClient(*client); err != nil {
logger.L.Errorf("Failed to add client to storage: %s", err.Error())
}
}
dexSrv, err := dex_server.NewServer(mainCtx, dexConf)
if err != nil {
logger.L.Fatalf("Failed to init dex server: %s", err.Error())
}
logger.L.Info("Initializing server")
s, err := server.New(conf, dexSrv, logger.L)
if err != nil {
logger.L.Fatalf("Failed to initialize server: %s", err.Error())
}
go s.Run(mainCtx)
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
logger.L.Info("Application successfully started")
logger.L.Debug("Waiting for stop signal")
select {
case <-s.Done():
logger.L.Fatal("Unexpected exit from server")
case <-c:
logger.L.Info("Stopping main application")
cancel()
}
logger.L.Debugf("Waiting %v for all daemons to stop", stopTimeout)
select {
case <-time.After(stopTimeout):
logger.L.Fatalf("Failed to stop all daemons in the expected time")
case <-s.Done():
logger.L.Info("web server successfully stopped")
}
logger.L.Info("Application successfully stopped")
os.Exit(0)
}