portainer/api/http/handler/users/user_create.go

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package users
import (
"net/http"
"github.com/asaskevich/govalidator"
"github.com/portainer/portainer"
httperror "github.com/portainer/portainer/http/error"
"github.com/portainer/portainer/http/request"
"github.com/portainer/portainer/http/response"
"github.com/portainer/portainer/http/security"
)
type userCreatePayload struct {
Username string
Password string
Role int
}
func (payload *userCreatePayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.Username) || govalidator.Contains(payload.Username, " ") {
return portainer.Error("Invalid username. Must not contain any whitespace")
}
if payload.Role != 1 && payload.Role != 2 {
return portainer.Error("Invalid role value. Value must be one of: 1 (administrator) or 2 (regular user)")
}
return nil
}
// POST request on /api/users
func (handler *Handler) userCreate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
var payload userCreatePayload
err := request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve info from request context", err}
}
if !securityContext.IsAdmin && !securityContext.IsTeamLeader {
return &httperror.HandlerError{http.StatusForbidden, "Permission denied to create user", portainer.ErrResourceAccessDenied}
}
if securityContext.IsTeamLeader && payload.Role == 1 {
return &httperror.HandlerError{http.StatusForbidden, "Permission denied to create administrator user", portainer.ErrResourceAccessDenied}
}
user, err := handler.UserService.UserByUsername(payload.Username)
if err != nil && err != portainer.ErrUserNotFound {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve users from the database", err}
}
if user != nil {
return &httperror.HandlerError{http.StatusConflict, "Another user with the same username already exists", portainer.ErrUserAlreadyExists}
}
user = &portainer.User{
Username: payload.Username,
Role: portainer.UserRole(payload.Role),
}
settings, err := handler.SettingsService.Settings()
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err}
}
if settings.AuthenticationMethod == portainer.AuthenticationInternal {
user.Password, err = handler.CryptoService.Hash(payload.Password)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to hash user password", portainer.ErrCryptoHashFailure}
}
}
err = handler.UserService.CreateUser(user)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist user inside the database", err}
}
hideFields(user)
return response.JSON(w, user)
}