fluxer/tests/integration/oauth2_client_secret_confidential_test.go
2026-01-01 21:05:54 +00:00

112 lines
3.6 KiB
Go

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
package integration
import (
"fmt"
"net/http"
"net/url"
"strings"
"testing"
"time"
)
// TestOAuth2ApplicationsMustUseClientSecret verifies that applications
// must authenticate using their client_secret during token exchange using HTTP Basic
// auth with client_id and client_secret.
func TestOAuth2ApplicationsMustUseClientSecret(t *testing.T) {
client := newTestClient(t)
appOwner := createTestAccount(t, client)
endUser := createTestAccount(t, client)
redirectURI := "https://example.com/callback"
appID, _, _, clientSecret := createOAuth2Application(t, client, appOwner,
fmt.Sprintf("Confidential App %d", time.Now().UnixNano()),
[]string{redirectURI},
[]string{"identify"},
)
authCode, _ := authorizeOAuth2(t, client, endUser.Token, appID, redirectURI, []string{"identify"}, "", "", "")
t.Run("reject token exchange without client secret", func(t *testing.T) {
form := url.Values{
"grant_type": {"authorization_code"},
"code": {authCode},
"redirect_uri": {redirectURI},
"client_id": {appID},
}
resp, err := client.postForm("/oauth2/token", form, "")
if err != nil {
t.Fatalf("failed to make token request: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("expected 401, got %d: %s", resp.StatusCode, readResponseBody(resp))
}
})
authCode, _ = authorizeOAuth2(t, client, endUser.Token, appID, redirectURI, []string{"identify"}, "", "", "")
t.Run("reject token exchange with invalid client secret", func(t *testing.T) {
form := url.Values{
"grant_type": {"authorization_code"},
"code": {authCode},
"redirect_uri": {redirectURI},
"client_id": {appID},
}
req, err := http.NewRequest(http.MethodPost, fmt.Sprintf("%s/oauth2/token", client.baseURL), strings.NewReader(form.Encode()))
if err != nil {
t.Fatalf("failed to build token request: %v", err)
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
req.SetBasicAuth(appID, "invalid_secret_12345")
client.applyCommonHeaders(req)
resp, err := client.httpClient.Do(req)
if err != nil {
t.Fatalf("token request failed: %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusUnauthorized {
t.Fatalf("expected 401 Unauthorized, got %d: %s", resp.StatusCode, readResponseBody(resp))
}
})
authCode, _ = authorizeOAuth2(t, client, endUser.Token, appID, redirectURI, []string{"identify"}, "", "", "")
t.Run("accept token exchange with valid client secret", func(t *testing.T) {
token := exchangeOAuth2AuthorizationCode(t, client, appID, clientSecret, authCode, redirectURI, "")
if token.AccessToken == "" {
t.Fatalf("should successfully exchange code with valid client_secret")
}
if token.TokenType != "Bearer" {
t.Fatalf("expected token_type Bearer, got %s", token.TokenType)
}
if token.Scope != "identify" {
t.Fatalf("expected scope identify, got %s", token.Scope)
}
})
}