can save a user registration in DB

server/registration/database/mongodb/userdb.go

@@ -18,22 +18,21 @@ type UserDbAccess struct {
 }
 
 // NewUserDbAccess creates a new user access to the DB
-func NewUserDbAccess() database.Database {
+func NewUserDbAccess() (database.Database, error) {
 	// Initialize userDb DB access
-	userCredentials := options.Credential{
-		Username: config.AppConfig.UserName,
-		Password: config.AppConfig.UserPassword,
-	}
-	userOpts := options.Client().ApplyURI(config.AppConfig.MongoDbUri).SetAuth(userCredentials)
-	userDb, err := mongo.Connect(context.TODO(), userOpts)
+	credentials := options.Credential{
+		AuthSource:    "admin",
+		AuthMechanism: "SCRAM-SHA-1",
+		Username:      config.AppConfig.UserName,
+		Password:      config.AppConfig.UserPassword,
+	}
+	userOpts := options.Client().ApplyURI(config.AppConfig.MongoDbUri).SetAuth(credentials)
+	client, err := mongo.Connect(context.TODO(), userOpts)
 	if err != nil {
-
-		return nil
+		return UserDbAccess{nil}, err
 	}
 
-	return UserDbAccess{
-		client: userDb,
-	}
+	return UserDbAccess{client}, nil
 }
 
 // Create creates a new document in the DB
@@ -47,8 +46,11 @@ func (u UserDbAccess) Create(data *registry.RegistrationData) (*registry.Registr
 		Registered: false,
 	}
 
-	result, err := u.client.Database("registration").Collection("documents").InsertOne(context.Background(),
-		doc)
+	db := u.client.Database("registry")
+	c := db.Collection("documents")
+	result, err := c.InsertOne(context.Background(), doc)
+
+	//	result, err := u.client.Database("registry").Collection("documents").InsertOne(context.Background(), doc)
 
 	if err != nil {
 		return nil, err

server/registration/docs/howto.md

@@ -0,0 +1,63 @@
+Create users in DB:
+test> use admin
+switched to db admin
+admin> db.getUsers()
+{ users: [], ok: 1 }
+admin> db.createUser({"user":"user", "pwd":"user", "roles": []})
+{ ok: 1 }
+admin> db.createUser({"user":"admin", "pwd":"admin", "roles": []})
+{ ok: 1 }
+admin> db.getUsers()
+{
+users: [
+{
+_id: 'admin.admin',
+userId: UUID('d74ec7d0-6e9e-4869-bafb-3a865fa88b5d'),
+user: 'admin',
+db: 'admin',
+roles: [],
+mechanisms: [ 'SCRAM-SHA-1', 'SCRAM-SHA-256' ]
+},
+{
+_id: 'admin.user',
+userId: UUID('2510fbf3-71a4-4397-8f6d-3e80098c947f'),
+user: 'user',
+db: 'admin',
+roles: [],
+mechanisms: [ 'SCRAM-SHA-1', 'SCRAM-SHA-256' ]
+}
+],
+ok: 1
+}
+admin> use registry
+switched to db registry
+registry> db.dropAllUsers()
+{ n: 2, ok: 1 }
+registry> db.getUsers()
+{ users: [], ok: 1 }
+registry> use admin
+switched to db admin
+admin> db.getUsers()
+{
+users: [
+{
+_id: 'admin.admin',
+userId: UUID('d74ec7d0-6e9e-4869-bafb-3a865fa88b5d'),
+user: 'admin',
+db: 'admin',
+roles: [],
+mechanisms: [ 'SCRAM-SHA-1', 'SCRAM-SHA-256' ]
+},
+{
+_id: 'admin.user',
+userId: UUID('2510fbf3-71a4-4397-8f6d-3e80098c947f'),
+user: 'user',
+db: 'admin',
+roles: [],
+mechanisms: [ 'SCRAM-SHA-1', 'SCRAM-SHA-256' ]
+}
+],
+ok: 1
+}
+admin> exit
+

server/registration/main.go

@@ -12,7 +12,7 @@ import (
 	"go.dedis.ch/hbt/server/registration/registry/user"
 )
 
-// curl -F "name='John Doe'" -F "passport=12XY456789" -F "role=0" -F "image=@./picture.png" -F "registered=false" localhost:80/document
+// curl -F "name='John Doe'" -F "passport=12XY456789" -F "role=0" -F "image=@test/passport.jpg" -F "registered=false" localhost:3000/document
 
 // POST /document HTTP/1.1
 // Host: localhost:3000
@@ -86,7 +86,10 @@ func newApp() *application {
 	adminRouter.HandleFunc("/admin/document", admin.UpdateDocument).Methods("PUT")
 	adminRouter.HandleFunc("/admin/document", admin.DeleteDocument).Methods("DELETE")
 
-	userDb := mongodb.NewUserDbAccess()
+	userDb, err := mongodb.NewUserDbAccess()
+	if err != nil {
+		log.Fatal(err)
+	}
 	user.RegisterDb(userDb)
 
 	adminDb := mongodb.NewAdminDbAccess()