feat: add option to auto-create admin user on first start-up

Useful for development purposes

conf/configuration.go

@@ -29,8 +29,9 @@ type nd struct {
 	ScanInterval       string `default:"1m"`
 
 	// DevFlags. These are used to enable/disable debugging and incomplete features
-	DevDisableBanner bool `default:"false"`
-	DevLogSourceLine bool `default:"false"`
+	DevDisableBanner           bool   `default:"false"`
+	DevLogSourceLine           bool   `default:"false"`
+	DevAutoCreateAdminPassword string `default:""`
 }
 
 var Server = &nd{}

consts/consts.go

@@ -13,4 +13,7 @@ const (
 	JWTTokenExpiration = 30 * time.Minute
 
 	UIAssetsLocalPath = "ui/build"
+
+	DevInitialUserName = "admin"
+	DevInitialName     = "Dev Admin"
 )

server/initial_setup.go

@@ -1,8 +1,11 @@
 package server
 
 import (
+	"context"
+	"fmt"
 	"time"
 
+	"github.com/deluan/navidrome/conf"
 	"github.com/deluan/navidrome/consts"
 	"github.com/deluan/navidrome/log"
 	"github.com/deluan/navidrome/model"
@@ -20,11 +23,47 @@ func initialSetup(ds model.DataStore) {
 			return err
 		}
 
+		if conf.Server.DevAutoCreateAdminPassword != "" {
+			if err = createInitialAdminUser(ds); err != nil {
+				return err
+			}
+		}
+
 		err = ds.Property(nil).Put(consts.InitialSetupFlagKey, time.Now().String())
 		return err
 	})
 }
 
+func createInitialAdminUser(ds model.DataStore) error {
+	ctx := context.Background()
+	c, err := ds.User(ctx).CountAll()
+	if err != nil {
+		panic(fmt.Sprintf("Could not access User table: %s", err))
+	}
+	if c == 0 {
+		id, _ := uuid.NewRandom()
+		random, _ := uuid.NewRandom()
+		initialPassword := random.String()
+		if conf.Server.DevAutoCreateAdminPassword != "" {
+			initialPassword = conf.Server.DevAutoCreateAdminPassword
+		}
+		log.Warn("Creating initial admin user. This should only be used for development purposes!!", "user", consts.DevInitialUserName, "password", initialPassword)
+		initialUser := model.User{
+			ID:       id.String(),
+			UserName: consts.DevInitialUserName,
+			Name:     consts.DevInitialName,
+			Email:    "",
+			Password: initialPassword,
+			IsAdmin:  true,
+		}
+		err := ds.User(ctx).Put(&initialUser)
+		if err != nil {
+			log.Error("Could not create initial admin user", "user", initialUser, err)
+		}
+	}
+	return err
+}
+
 func createJWTSecret(ds model.DataStore) error {
 	_, err := ds.Property(nil).Get(consts.JWTSecretKey)
 	if err == nil {