137 lines
4.2 KiB
Go
137 lines
4.2 KiB
Go
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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package integration
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import (
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"net/http"
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"testing"
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)
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// TestSudoModeTokenWrongUserRejected verifies that a valid sudo token
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// from one user cannot be used by a different user to bypass MFA verification.
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// This is a critical security test to prevent token theft attacks.
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func TestSudoModeTokenWrongUserRejected(t *testing.T) {
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client := newTestClient(t)
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account1 := createTestAccount(t, client)
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secret1 := newTotpSecret(t)
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resp, err := client.postJSONWithAuth("/users/@me/mfa/totp/enable", map[string]string{
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"secret": secret1,
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"code": totpCodePrev(t, secret1),
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}, account1.Token)
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if err != nil {
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t.Fatalf("failed to enable totp for user1: %v", err)
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}
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("enable totp for user1 returned %d: %s", resp.StatusCode, readResponseBody(resp))
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}
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resp.Body.Close()
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loginResp, err := client.postJSON("/auth/login", loginRequest{
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Email: account1.Email,
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Password: account1.Password,
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})
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if err != nil {
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t.Fatalf("failed to login user1: %v", err)
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}
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var login loginResponse
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decodeJSONResponse(t, loginResp, &login)
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resp, err = client.postJSON("/auth/login/mfa/totp", map[string]string{
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"code": totpCodeNow(t, secret1),
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"ticket": login.Ticket,
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})
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if err != nil {
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t.Fatalf("failed to complete MFA login for user1: %v", err)
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}
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var mfaLogin mfaLoginResponse
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decodeJSONResponse(t, resp, &mfaLogin)
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account1.Token = mfaLogin.Token
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resp, err = client.postJSONWithAuth("/users/@me/mfa/backup-codes", map[string]any{
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"mfa_method": "totp",
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"mfa_code": totpCodeNext(t, secret1),
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"regenerate": false,
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}, account1.Token)
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if err != nil {
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t.Fatalf("failed to request backup codes for user1: %v", err)
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}
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("expected 200, got %d: %s", resp.StatusCode, readResponseBody(resp))
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}
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user1SudoToken := resp.Header.Get(sudoModeHeader)
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if user1SudoToken == "" {
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t.Fatalf("expected sudo token for user1")
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}
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resp.Body.Close()
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account2 := createTestAccount(t, client)
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secret2 := newTotpSecret(t)
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resp, err = client.postJSONWithAuth("/users/@me/mfa/totp/enable", map[string]string{
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"secret": secret2,
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"code": totpCodePrev(t, secret2),
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}, account2.Token)
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if err != nil {
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t.Fatalf("failed to enable totp for user2: %v", err)
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}
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if resp.StatusCode != http.StatusOK {
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t.Fatalf("enable totp for user2 returned %d: %s", resp.StatusCode, readResponseBody(resp))
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}
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resp.Body.Close()
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loginResp, err = client.postJSON("/auth/login", loginRequest{
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Email: account2.Email,
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Password: account2.Password,
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})
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if err != nil {
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t.Fatalf("failed to login user2: %v", err)
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}
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decodeJSONResponse(t, loginResp, &login)
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resp, err = client.postJSON("/auth/login/mfa/totp", map[string]string{
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"code": totpCodeNow(t, secret2),
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"ticket": login.Ticket,
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})
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if err != nil {
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t.Fatalf("failed to complete MFA login for user2: %v", err)
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}
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decodeJSONResponse(t, resp, &mfaLogin)
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account2.Token = mfaLogin.Token
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resp, err = client.postJSONWithAuthAndHeaders("/users/@me/disable", map[string]any{}, account2.Token, map[string]string{
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sudoModeHeader: user1SudoToken,
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})
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if err != nil {
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t.Fatalf("failed to make request: %v", err)
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}
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if resp.StatusCode != http.StatusForbidden {
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t.Fatalf("expected 403 when using another user's sudo token, got %d: %s", resp.StatusCode, readResponseBody(resp))
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}
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var errResp errorResponse
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decodeJSONResponse(t, resp, &errResp)
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if errResp.Code != "SUDO_MODE_REQUIRED" {
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t.Fatalf("expected SUDO_MODE_REQUIRED error code, got: %s", errResp.Code)
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}
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t.Logf("successfully rejected cross-user sudo token attack")
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}
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