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

115 lines
3.8 KiB
Go

package auth
import (
"errors"
"log"
"net/http"
"github.com/asaskevich/govalidator"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
portainer "github.com/portainer/portainer/api"
httperrors "github.com/portainer/portainer/api/http/errors"
)
type oauthPayload struct {
// OAuth code returned from OAuth Provided
Code string
}
func (payload *oauthPayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.Code) {
return errors.New("Invalid OAuth authorization code")
}
return nil
}
func (handler *Handler) authenticateOAuth(code string, settings *portainer.OAuthSettings) (string, error) {
if code == "" {
return "", errors.New("Invalid OAuth authorization code")
}
if settings == nil {
return "", errors.New("Invalid OAuth configuration")
}
username, err := handler.OAuthService.Authenticate(code, settings)
if err != nil {
return "", err
}
return username, nil
}
// @id ValidateOAuth
// @summary Authenticate with OAuth
// @description **Access policy**: public
// @tags auth
// @accept json
// @produce json
// @param body body oauthPayload true "OAuth Credentials used for authentication"
// @success 200 {object} authenticateResponse "Success"
// @failure 400 "Invalid request"
// @failure 422 "Invalid Credentials"
// @failure 500 "Server error"
// @router /auth/oauth/validate [post]
func (handler *Handler) validateOAuth(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
var payload oauthPayload
err := request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
}
settings, err := handler.DataStore.Settings().Settings()
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve settings from the database", Err: err}
}
if settings.AuthenticationMethod != portainer.AuthenticationOAuth {
return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "OAuth authentication is not enabled", Err: errors.New("OAuth authentication is not enabled")}
}
username, err := handler.authenticateOAuth(payload.Code, &settings.OAuthSettings)
if err != nil {
log.Printf("[DEBUG] - OAuth authentication error: %s", err)
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to authenticate through OAuth", Err: httperrors.ErrUnauthorized}
}
user, err := handler.DataStore.User().UserByUsername(username)
if err != nil && !handler.DataStore.IsErrObjectNotFound(err) {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve a user with the specified username from the database", Err: err}
}
if user == nil && !settings.OAuthSettings.OAuthAutoCreateUsers {
return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "Account not created beforehand in Portainer and automatic user provisioning not enabled", Err: httperrors.ErrUnauthorized}
}
if user == nil {
user = &portainer.User{
Username: username,
Role: portainer.StandardUserRole,
}
err = handler.DataStore.User().Create(user)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist user inside the database", Err: err}
}
if settings.OAuthSettings.DefaultTeamID != 0 {
membership := &portainer.TeamMembership{
UserID: user.ID,
TeamID: settings.OAuthSettings.DefaultTeamID,
Role: portainer.TeamMember,
}
err = handler.DataStore.TeamMembership().Create(membership)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist team membership inside the database", Err: err}
}
}
}
return handler.writeToken(w, user)
}