refactor(auth): extract transport-agnostic login, logout and OIDC cores
Pull the credential/TOTP check, session deletion, user-token issuance and OIDC callback flow out of the v1 echo handlers and into reusable helpers so both /api/v1 and the upcoming /api/v2 share one implementation: - auth.IssueUserToken + auth.WriteUserAuthCookies split the token/cookie machinery from the echo response; NewUserAuthTokenResponse now wraps them. - auth.SessionIDFromContext reads the sid claim for logout. - shared.AuthenticateUserCredentials, shared.DeleteSession hold the login and logout cores. - openid.AuthenticateCallback holds the OIDC exchange/getOrCreate/TOTP/team sync, returning the user; HandleCallback issues the token as before. v1 behaviour is unchanged on the wire.
This commit is contained in:
kolaente
parent
c4819631e2
commit
1aa3f3b093
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@ -100,46 +100,75 @@ func ClearRefreshTokenCookie(c *echo.Context) {
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SetRefreshTokenCookie(c, "", -1)
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}
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// NewUserAuthTokenResponse creates a new user auth token response from a user object.
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func NewUserAuthTokenResponse(u *user.User, c *echo.Context, long bool) error {
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// IssuedUserToken bundles a freshly minted access token with the matching
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// refresh token and the cookie max-age both v1 and v2 use to set the
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// HttpOnly refresh cookie.
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type IssuedUserToken struct {
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AccessToken string
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RefreshToken string
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CookieMaxAge int
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}
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// IssueUserToken creates a session for the user and mints a JWT access token plus
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// a refresh token for it. It is the transport-agnostic core both v1 (which writes
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// the echo response) and v2 (Huma) call; callers set the refresh cookie and the
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// Cache-Control header themselves via WriteUserAuthCookies.
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func IssueUserToken(ctx context.Context, u *user.User, deviceInfo, ipAddress string, long bool) (*IssuedUserToken, error) {
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s := db.NewSession()
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defer s.Close()
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deviceInfo := c.Request().UserAgent()
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ipAddress := c.RealIP()
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session, err := models.CreateSession(s, u.ID, deviceInfo, ipAddress, long)
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if err != nil {
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_ = s.Rollback()
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return err
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return nil, err
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}
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t, err := NewUserJWTAuthtoken(u, session.ID)
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if err != nil {
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_ = s.Rollback()
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return err
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return nil, err
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}
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if err := s.Commit(); err != nil {
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_ = s.Rollback()
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return err
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return nil, err
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}
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if err := events.DispatchWithContext(c.Request().Context(), &user.LoginSucceededEvent{User: u}); err != nil {
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if err := events.DispatchWithContext(ctx, &user.LoginSucceededEvent{User: u}); err != nil {
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log.Errorf("Could not dispatch login succeeded event: %s", err)
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}
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// Set the refresh token as an HttpOnly cookie. The cookie is path-scoped
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// to the refresh endpoint, so the browser only sends it there. JavaScript
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// never sees the refresh token — this protects it from XSS.
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cookieMaxAge := int(config.ServiceJWTTTL.GetInt64())
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if long {
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cookieMaxAge = int(config.ServiceJWTTTLLong.GetInt64())
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}
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SetRefreshTokenCookie(c, session.RefreshToken, cookieMaxAge)
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return &IssuedUserToken{
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AccessToken: t,
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RefreshToken: session.RefreshToken,
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CookieMaxAge: cookieMaxAge,
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}, nil
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}
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// WriteUserAuthCookies sets the HttpOnly refresh-token cookie and the
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// Cache-Control: no-store header on a response. The cookie is path-scoped to the
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// refresh endpoint, so the browser only sends it there; JavaScript never sees the
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// refresh token, which protects it from XSS. Shared by the v1 echo handlers and
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// the v2 Huma handlers (which reach the echo context via humaecho5.Unwrap).
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func WriteUserAuthCookies(c *echo.Context, token *IssuedUserToken) {
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SetRefreshTokenCookie(c, token.RefreshToken, token.CookieMaxAge)
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c.Response().Header().Set("Cache-Control", "no-store")
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return c.JSON(http.StatusOK, Token{Token: t})
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}
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// NewUserAuthTokenResponse creates a new user auth token response from a user object.
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func NewUserAuthTokenResponse(u *user.User, c *echo.Context, long bool) error {
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token, err := IssueUserToken(c.Request().Context(), u, c.Request().UserAgent(), c.RealIP(), long)
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if err != nil {
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return err
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}
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WriteUserAuthCookies(c, token)
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return c.JSON(http.StatusOK, Token{Token: token.AccessToken})
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}
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// NewUserJWTAuthtoken generates and signs a new short-lived jwt token for a user.
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@ -392,6 +421,26 @@ func RefreshSession(rawRefreshToken string) (*RefreshResult, error) {
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}, nil
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}
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// SessionIDFromContext reads the session id (the `sid` claim) off the user JWT
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// in the echo context. It returns "" when there is no user JWT or no sid claim
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// (API tokens and link shares carry no session), which callers treat as a no-op.
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func SessionIDFromContext(c *echo.Context) string {
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raw := c.Get("user")
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if raw == nil {
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return ""
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}
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jwtinf, ok := raw.(*jwt.Token)
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if !ok {
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return ""
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}
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claims, ok := jwtinf.Claims.(jwt.MapClaims)
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if !ok {
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return ""
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}
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sid, _ := claims["sid"].(string)
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return sid
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}
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// GetAuthFromContext retrieves the authenticated web.Auth from a plain
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// context.Context, bridging Huma handlers to Vikunja's echo JWT flow. The
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// humaecho5 adapter stashes the *echo.Context under EchoContextKey first.
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@ -168,8 +168,12 @@ func enforceTOTPIfRequired(s *xorm.Session, u *user.User, totpPasscode string) e
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// @Failure 500 {object} models.Message "Internal error"
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// @Router /auth/openid/{provider}/callback [post]
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func HandleCallback(c *echo.Context) error {
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cb := &Callback{}
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if err := c.Bind(cb); err != nil {
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return &models.ErrOpenIDBadRequest{Message: "Bad data"}
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}
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provider, cb, oauthToken, idToken, err := getProviderAndOidcTokens(c)
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u, err := AuthenticateCallback(c.Request().Context(), cb, c.Param("provider"))
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if err != nil {
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var detailedErr *models.ErrOpenIDBadRequestWithDetails
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if errors.As(err, &detailedErr) {
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@ -181,9 +185,29 @@ func HandleCallback(c *echo.Context) error {
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return err
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}
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cl, err := getClaims(provider, oauthToken, idToken)
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// Create token
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return auth.NewUserAuthTokenResponse(u, c, false)
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}
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// AuthenticateCallback resolves an OpenID Connect callback to an authenticated
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// user: it exchanges the auth code, verifies the ID token, creates or updates the
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// matching local user, enforces the account-status and TOTP gates, and syncs the
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// user's external teams. It is the transport-agnostic core shared by the v1 echo
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// handler and the v2 Huma handler; the caller issues the auth token. The
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// ErrOpenIDBadRequestWithDetails error keeps its provider detail so v1 can render
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// its bespoke body and v2 can map it to RFC 9457.
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func AuthenticateCallback(ctx context.Context, cb *Callback, providerKey string) (*user.User, error) {
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// ctx is threaded through only to dispatch the login event; the OIDC token
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// exchange, claim verification and user/avatar sync run on their own
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// background contexts, exactly as the v1 callback always did.
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provider, oauthToken, idToken, err := exchangeOidcTokens(cb, providerKey) //nolint:contextcheck
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if err != nil {
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return err
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return nil, err
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}
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cl, err := getClaims(provider, oauthToken, idToken) //nolint:contextcheck
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if err != nil {
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return nil, err
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}
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s := db.NewSession()
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@ -193,20 +217,20 @@ func HandleCallback(c *echo.Context) error {
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defer events.CleanupPending(s)
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// Check if we have seen this user before
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u, err := getOrCreateUser(s, cl, provider, idToken)
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u, err := getOrCreateUser(s, cl, provider, idToken) //nolint:contextcheck
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if err != nil {
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_ = s.Rollback()
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log.Errorf("Error creating new user for provider %s: %v", provider.Name, err)
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return err
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return nil, err
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}
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if u.Status == user.StatusDisabled {
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_ = s.Rollback()
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return &user.ErrAccountDisabled{UserID: u.ID}
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return nil, &user.ErrAccountDisabled{UserID: u.ID}
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}
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if u.Status == user.StatusAccountLocked {
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_ = s.Rollback()
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return &user.ErrAccountLocked{UserID: u.ID}
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return nil, &user.ErrAccountLocked{UserID: u.ID}
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}
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// Must run before team sync so a failed 2FA attempt cannot mutate team
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@ -218,32 +242,31 @@ func HandleCallback(c *echo.Context) error {
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log.Errorf("Error committing session after failed OIDC TOTP attempt for user %d: %v", u.ID, commitErr)
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} else {
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// The user creation above was committed, so its events are real.
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events.DispatchPending(c.Request().Context(), s)
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events.DispatchPending(ctx, s)
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}
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if user.IsErrInvalidTOTPPasscode(err) {
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user.HandleFailedTOTPAuth(u)
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}
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return err
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return nil, err
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}
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teamData := getTeamDataFromToken(cl.VikunjaGroups, provider)
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err = models.SyncExternalTeamsForUser(s, u, teamData, idToken.Issuer, provider.Name)
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if err != nil {
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return err
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return nil, err
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}
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err = s.Commit()
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if err != nil {
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_ = s.Rollback()
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log.Errorf("Error creating new team for provider %s: %v", provider.Name, err)
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return err
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return nil, err
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}
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events.DispatchPending(c.Request().Context(), s)
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events.DispatchPending(ctx, s)
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// Create token
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return auth.NewUserAuthTokenResponse(u, c, false)
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return u, nil
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}
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func getTeamDataFromToken(groups []map[string]interface{}, provider *Provider) (teamData []*models.Team) {
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@ -516,21 +539,17 @@ func getClaims(provider *Provider, oauth2Token *oauth2.Token, idToken *oidc.IDTo
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return cl, nil
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}
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func getProviderAndOidcTokens(c *echo.Context) (*Provider, *Callback, *oauth2.Token, *oidc.IDToken, error) {
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cb := &Callback{}
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if err := c.Bind(cb); err != nil {
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return nil, nil, nil, nil, &models.ErrOpenIDBadRequest{Message: "Bad data"}
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}
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// Check if the provider exists
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providerKey := c.Param("provider")
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// exchangeOidcTokens resolves the provider, exchanges the callback's auth code,
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// and verifies the returned ID token. It takes an already-bound Callback so it
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// can be shared by the v1 echo handler (which binds from the request) and the v2
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// Huma handler (which binds via its typed body).
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func exchangeOidcTokens(cb *Callback, providerKey string) (*Provider, *oauth2.Token, *oidc.IDToken, error) {
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provider, err := GetProvider(providerKey)
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if err != nil {
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return nil, cb, nil, nil, err
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return nil, nil, nil, err
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}
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if provider == nil {
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return nil, cb, nil, nil, &models.ErrOpenIDBadRequest{Message: "Provider does not exist"}
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return nil, nil, nil, &models.ErrOpenIDBadRequest{Message: "Provider does not exist"}
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}
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log.Debugf("Trying to authenticate user using provider: %s", provider.Key)
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@ -546,25 +565,25 @@ func getProviderAndOidcTokens(c *echo.Context) (*Provider, *Callback, *oauth2.To
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if err := json.Unmarshal(rerr.Body, &details); err != nil {
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log.Errorf("Error unmarshalling token for provider %s: %v", provider.Name, err)
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log.Debugf("Raw token value is %s", rerr.Body)
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return nil, cb, nil, nil, err
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return nil, nil, nil, err
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}
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log.Errorf("Error retrieving token: %s", err)
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log.Debugf("Raw token value is %s", rerr.Body)
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return nil, cb, nil, nil, &models.ErrOpenIDBadRequestWithDetails{
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return nil, nil, nil, &models.ErrOpenIDBadRequestWithDetails{
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Message: "Could not authenticate against third party.",
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Details: details,
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}
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}
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return nil, cb, nil, nil, err
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return nil, nil, nil, err
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}
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// Extract the ID Token from OAuth2 token.
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rawIDToken, ok := oauth2Token.Extra("id_token").(string)
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if !ok {
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log.Debugf("Could not get id_token, raw token is %v", oauth2Token)
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return nil, cb, nil, nil, &models.ErrOpenIDBadRequest{Message: "Missing token"}
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return nil, nil, nil, &models.ErrOpenIDBadRequest{Message: "Missing token"}
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}
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verifier := provider.openIDProvider.Verifier(&oidc.Config{ClientID: provider.ClientID})
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@ -573,8 +592,8 @@ func getProviderAndOidcTokens(c *echo.Context) (*Provider, *Callback, *oauth2.To
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idToken, err := verifier.Verify(context.Background(), rawIDToken)
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if err != nil {
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log.Errorf("Error verifying token for provider %s: %v", provider.Name, err)
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return nil, cb, nil, nil, err
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return nil, nil, nil, err
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}
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return provider, cb, oauth2Token, idToken, nil
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return provider, oauth2Token, idToken, nil
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}
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@ -26,7 +26,11 @@ import (
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"code.vikunja.io/api/pkg/metrics"
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"code.vikunja.io/api/pkg/models"
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"code.vikunja.io/api/pkg/modules/auth"
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"code.vikunja.io/api/pkg/modules/auth/ldap"
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"code.vikunja.io/api/pkg/modules/keyvalue"
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"code.vikunja.io/api/pkg/user"
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"xorm.io/xorm"
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)
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// UserRegister carries the fields accepted by the public registration endpoint:
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@ -78,6 +82,127 @@ func RegisterUser(ctx context.Context, in *UserRegister) (*user.User, error) {
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return newUser, nil
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}
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// AuthenticateUserCredentials verifies a login against local (and, if configured,
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// LDAP) credentials and enforces the account-status and TOTP gates, returning the
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// authenticated user on success. It is the transport-agnostic core of the login
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// flow shared by v1 and v2; the caller issues the token and sets the cookie. The
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// returned errors carry their own HTTP semantics (wrong credentials, disabled
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// account, missing/invalid TOTP) so both APIs surface them identically.
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func AuthenticateUserCredentials(ctx context.Context, login *user.Login) (*user.User, error) {
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s := db.NewSession()
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defer s.Close()
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// Discards events queued during a rolled-back transaction (e.g. LDAP user
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// creation); a no-op once DispatchPending has run.
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defer events.CleanupPending(s)
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u, err := resolveLoginUser(ctx, s, login)
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if err != nil {
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_ = s.Rollback()
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return nil, err
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}
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if u.Status == user.StatusDisabled || u.Status == user.StatusAccountLocked {
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_ = s.Rollback()
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return nil, &user.ErrAccountDisabled{UserID: u.ID}
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}
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if err := enforceLoginTOTP(s, u, login.TOTPPasscode); err != nil {
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return nil, err
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}
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if err := keyvalue.Del(u.GetFailedTOTPAttemptsKey()); err != nil {
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return nil, err
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}
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if err := keyvalue.Del(u.GetFailedPasswordAttemptsKey()); err != nil {
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return nil, err
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}
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if err := s.Commit(); err != nil {
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_ = s.Rollback()
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return nil, err
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}
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events.DispatchPending(ctx, s)
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return u, nil
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}
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// resolveLoginUser authenticates the credentials against LDAP (when enabled) and
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// then against local accounts, mirroring v1's order so local users keep working
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// alongside LDAP. Bots are rejected before bcrypt runs because they have no
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// password hash.
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func resolveLoginUser(ctx context.Context, s *xorm.Session, login *user.Login) (*user.User, error) {
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if config.AuthLdapEnabled.GetBool() {
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u, err := ldap.AuthenticateUserInLDAP(s, login.Username, login.Password, config.AuthLdapGroupSyncEnabled.GetBool(), config.AuthLdapAvatarSyncAttribute.GetString())
|
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if err != nil && !user.IsErrWrongUsernameOrPassword(err) {
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return nil, err
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}
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if u != nil {
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return u, nil
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}
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}
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existingUser, lookupErr := user.GetUserByUsername(s, login.Username)
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if lookupErr == nil && existingUser.IsBot() {
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return nil, &user.ErrAccountIsBot{UserID: existingUser.ID}
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}
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return user.CheckUserCredentials(ctx, s, login)
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}
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// enforceLoginTOTP runs the TOTP gate for users who have it enabled, mirroring
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// v1: a missing passcode is rejected, and a wrong one trips the failed-attempt
|
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// lockout via HandleFailedTOTPAuth. The session is rolled back before
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// HandleFailedTOTPAuth so its dedicated session can acquire a write lock on
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// SQLite shared-cache (the lockout write is decoupled from this transaction —
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// see GHSA-fgfv-pv97-6cmj).
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func enforceLoginTOTP(s *xorm.Session, u *user.User, passcode string) error {
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totpEnabled, err := user.TOTPEnabledForUser(s, u)
|
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if err != nil {
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_ = s.Rollback()
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return err
|
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}
|
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if !totpEnabled {
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return nil
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}
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|
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if passcode == "" {
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_ = s.Rollback()
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return user.ErrInvalidTOTPPasscode{}
|
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}
|
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|
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_, err = user.ValidateTOTPPasscode(s, &user.TOTPPasscode{User: u, Passcode: passcode})
|
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if err != nil {
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_ = s.Rollback()
|
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if user.IsErrInvalidTOTPPasscode(err) {
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user.HandleFailedTOTPAuth(u)
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}
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return err
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}
|
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|
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return nil
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}
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|
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// DeleteSession removes the session with the given id, logging the user out
|
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// server-side. An empty sid is a no-op (the token carried no session, e.g. an
|
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// API token or a link share), matching v1. Shared by v1 and v2; the caller is
|
||||
// responsible for clearing the refresh cookie.
|
||||
func DeleteSession(sid string) error {
|
||||
if sid == "" {
|
||||
return nil
|
||||
}
|
||||
|
||||
s := db.NewSession()
|
||||
defer s.Close()
|
||||
|
||||
if _, err := s.Where("id = ?", sid).Delete(&models.Session{}); err != nil {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
|
||||
return s.Commit()
|
||||
}
|
||||
|
||||
// ResetPassword resets a user's password from a previously issued reset token
|
||||
// and invalidates all of that user's sessions, so a leaked password cannot be
|
||||
// used after a reset. Shared by v1 and v2.
|
||||
|
|
|
|||
|
|
@ -25,8 +25,7 @@ import (
|
|||
"code.vikunja.io/api/pkg/log"
|
||||
"code.vikunja.io/api/pkg/models"
|
||||
"code.vikunja.io/api/pkg/modules/auth"
|
||||
"code.vikunja.io/api/pkg/modules/auth/ldap"
|
||||
"code.vikunja.io/api/pkg/modules/keyvalue"
|
||||
"code.vikunja.io/api/pkg/routes/api/shared"
|
||||
user2 "code.vikunja.io/api/pkg/user"
|
||||
|
||||
"github.com/golang-jwt/jwt/v5"
|
||||
|
|
@ -51,87 +50,11 @@ func Login(c *echo.Context) (err error) {
|
|||
return c.JSON(http.StatusBadRequest, models.Message{Message: "Please provide a username and password."})
|
||||
}
|
||||
|
||||
s := db.NewSession()
|
||||
defer s.Close()
|
||||
// Discards events queued during a rolled-back transaction (e.g. LDAP user
|
||||
// creation); a no-op once DispatchPending has run.
|
||||
defer events.CleanupPending(s)
|
||||
|
||||
var user *user2.User
|
||||
if config.AuthLdapEnabled.GetBool() {
|
||||
user, err = ldap.AuthenticateUserInLDAP(s, u.Username, u.Password, config.AuthLdapGroupSyncEnabled.GetBool(), config.AuthLdapAvatarSyncAttribute.GetString())
|
||||
if err != nil && !user2.IsErrWrongUsernameOrPassword(err) {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if user == nil {
|
||||
// Check if the user is a bot before attempting password verification,
|
||||
// because bots have no password hash and bcrypt would fail with a
|
||||
// misleading error.
|
||||
existingUser, lookupErr := user2.GetUserByUsername(s, u.Username)
|
||||
if lookupErr == nil && existingUser.IsBot() {
|
||||
_ = s.Rollback()
|
||||
return &user2.ErrAccountIsBot{UserID: existingUser.ID}
|
||||
}
|
||||
|
||||
// This allows us to still have local users while ldap is enabled
|
||||
user, err = user2.CheckUserCredentials(c.Request().Context(), s, &u)
|
||||
if err != nil {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if user.Status == user2.StatusDisabled || user.Status == user2.StatusAccountLocked {
|
||||
_ = s.Rollback()
|
||||
return &user2.ErrAccountDisabled{UserID: user.ID}
|
||||
}
|
||||
|
||||
totpEnabled, err := user2.TOTPEnabledForUser(s, user)
|
||||
user, err := shared.AuthenticateUserCredentials(c.Request().Context(), &u)
|
||||
if err != nil {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
|
||||
if totpEnabled {
|
||||
if u.TOTPPasscode == "" {
|
||||
_ = s.Rollback()
|
||||
return user2.ErrInvalidTOTPPasscode{}
|
||||
}
|
||||
|
||||
_, err = user2.ValidateTOTPPasscode(s, &user2.TOTPPasscode{
|
||||
User: user,
|
||||
Passcode: u.TOTPPasscode,
|
||||
})
|
||||
if err != nil {
|
||||
// Rollback before HandleFailedTOTPAuth so its dedicated session
|
||||
// can acquire a write lock on SQLite shared-cache. The lockout
|
||||
// write is decoupled from this handler's transaction — see
|
||||
// GHSA-fgfv-pv97-6cmj.
|
||||
_ = s.Rollback()
|
||||
if user2.IsErrInvalidTOTPPasscode(err) {
|
||||
user2.HandleFailedTOTPAuth(user)
|
||||
}
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if err := keyvalue.Del(user.GetFailedTOTPAttemptsKey()); err != nil {
|
||||
return err
|
||||
}
|
||||
if err := keyvalue.Del(user.GetFailedPasswordAttemptsKey()); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := s.Commit(); err != nil {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
|
||||
events.DispatchPending(c.Request().Context(), s)
|
||||
|
||||
// Create token
|
||||
return auth.NewUserAuthTokenResponse(user, c, u.LongToken)
|
||||
}
|
||||
|
|
@ -254,21 +177,7 @@ func Logout(c *echo.Context) (err error) {
|
|||
}
|
||||
}
|
||||
|
||||
if sid == "" {
|
||||
return c.JSON(http.StatusOK, models.Message{Message: "Successfully logged out."})
|
||||
}
|
||||
|
||||
s := db.NewSession()
|
||||
defer s.Close()
|
||||
|
||||
_, err = s.Where("id = ?", sid).Delete(&models.Session{})
|
||||
if err != nil {
|
||||
_ = s.Rollback()
|
||||
return err
|
||||
}
|
||||
|
||||
if err := s.Commit(); err != nil {
|
||||
_ = s.Rollback()
|
||||
if err := shared.DeleteSession(sid); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue