portainer/api/http/handler/auth/authenticate.go

80 lines
2.6 KiB
Go

package auth
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"
)
type authenticatePayload struct {
Username string
Password string
}
type authenticateResponse struct {
JWT string `json:"jwt"`
}
func (payload *authenticatePayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.Username) {
return portainer.Error("Invalid username")
}
if govalidator.IsNull(payload.Password) {
return portainer.Error("Invalid password")
}
return nil
}
func (handler *Handler) authenticate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
if handler.authDisabled {
return &httperror.HandlerError{http.StatusServiceUnavailable, "Cannot authenticate user. Portainer was started with the --no-auth flag", ErrAuthDisabled}
}
var payload authenticatePayload
err := request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
u, err := handler.UserService.UserByUsername(payload.Username)
if err == portainer.ErrUserNotFound {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid credentials", ErrInvalidCredentials}
} else if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve a user with the specified username from the database", err}
}
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.AuthenticationLDAP && u.ID != 1 {
err = handler.LDAPService.AuthenticateUser(payload.Username, payload.Password, &settings.LDAPSettings)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to authenticate user via LDAP/AD", err}
}
} else {
err = handler.CryptoService.CompareHashAndData(u.Password, payload.Password)
if err != nil {
return &httperror.HandlerError{http.StatusUnprocessableEntity, "Invalid credentials", ErrInvalidCredentials}
}
}
tokenData := &portainer.TokenData{
ID: u.ID,
Username: u.Username,
Role: u.Role,
}
token, err := handler.JWTService.GenerateToken(tokenData)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to generate JWT token", err}
}
return response.JSON(w, &authenticateResponse{JWT: token})
}