chore: import upstream snapshot with attribution

api/http/handler/users/user_create.go

@@ -0,0 +1,111 @@
+package users
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	portainer "github.com/portainer/portainer/api"
+	"github.com/portainer/portainer/api/dataservices"
+	httperror "github.com/portainer/portainer/pkg/libhttp/error"
+	"github.com/portainer/portainer/pkg/libhttp/request"
+	"github.com/portainer/portainer/pkg/libhttp/response"
+)
+
+type userCreatePayload struct {
+	Username string `validate:"required" example:"bob"`
+	Password string `validate:"required" example:"cg9Wgky3"`
+	// User role (1 for administrator account and 2 for regular account)
+	Role int `validate:"required" enums:"1,2" example:"2"`
+}
+
+func (payload *userCreatePayload) Validate(r *http.Request) error {
+	if len(payload.Username) == 0 || strings.Contains(payload.Username, " ") {
+		return errors.New("Invalid username. Must not contain any whitespace")
+	}
+
+	if payload.Role != 1 && payload.Role != 2 {
+		return errors.New("Invalid role value. Value must be one of: 1 (administrator) or 2 (regular user)")
+	}
+
+	return nil
+}
+
+// @id UserCreate
+// @summary Create a new user
+// @description Create a new Portainer user.
+// @description Only administrators can create users.
+// @description **Access policy**: restricted
+// @tags users
+// @security ApiKeyAuth
+// @security jwt
+// @accept json
+// @produce json
+// @param body body userCreatePayload true "User details"
+// @success 200 {object} portainer.User "Success"
+// @failure 400 "Invalid request"
+// @failure 403 "Permission denied"
+// @failure 409 "User already exists"
+// @failure 500 "Server error"
+// @router /users [post]
+func (handler *Handler) userCreate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
+	var payload userCreatePayload
+	if err := request.DecodeAndValidateJSONPayload(r, &payload); err != nil {
+		return httperror.BadRequest("Invalid request payload", err)
+	}
+
+	var user *portainer.User
+	var err error
+	err = handler.DataStore.UpdateTx(func(tx dataservices.DataStoreTx) error {
+		user, err = handler.createUser(tx, payload)
+		return err
+	})
+
+	return response.TxResponse(w, user, err)
+}
+
+func (handler *Handler) createUser(tx dataservices.DataStoreTx, payload userCreatePayload) (*portainer.User, error) {
+	user, err := tx.User().UserByUsername(payload.Username)
+	if err != nil && !tx.IsErrObjectNotFound(err) {
+		return nil, httperror.InternalServerError("Unable to retrieve users from the database", err)
+	}
+
+	if user != nil {
+		return nil, httperror.Conflict("Another user with the same username already exists", errUserAlreadyExists)
+	}
+
+	user = &portainer.User{
+		Username: payload.Username,
+		Role:     portainer.UserRole(payload.Role),
+	}
+
+	settings, err := tx.Settings().Settings()
+	if err != nil {
+		return nil, httperror.InternalServerError("Unable to retrieve settings from the database", err)
+	}
+
+	// When LDAP/OAuth is on, can only add users without password
+	if (settings.AuthenticationMethod == portainer.AuthenticationLDAP || settings.AuthenticationMethod == portainer.AuthenticationOAuth) && payload.Password != "" {
+		errMsg := "a user with password can not be created when authentication method is Oauth or LDAP"
+		return nil, httperror.BadRequest(errMsg, errors.New(errMsg))
+	}
+
+	if settings.AuthenticationMethod == portainer.AuthenticationInternal {
+		if !handler.passwordStrengthChecker.Check(payload.Password) {
+			return nil, httperror.BadRequest("Password does not meet the requirements", nil)
+		}
+
+		user.Password, err = handler.CryptoService.Hash(payload.Password)
+		if err != nil {
+			return nil, httperror.InternalServerError("Unable to hash user password", errCryptoHashFailure)
+		}
+	}
+
+	if err := tx.User().Create(user); err != nil {
+		return nil, httperror.InternalServerError("Unable to persist user inside the database", err)
+	}
+
+	hideFields(user)
+
+	return user, nil
+}