initial commit

tests/integration/auth_token_validation_test.go

@@ -0,0 +1,144 @@
+/*
+ * 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 (
+	"net/http"
+	"testing"
+)
+
+func TestAuthTokenValidation(t *testing.T) {
+	client := newTestClient(t)
+
+	t.Run("malformed token returns unauthorized", func(t *testing.T) {
+		malformedTokens := []string{
+			"",
+			"not-a-token",
+			"Bearer invalid",
+			"invalid.token.format",
+			"ey123.ey456.sig789",
+		}
+
+		for _, token := range malformedTokens {
+			resp, err := client.getWithAuth("/users/@me", token)
+			if err != nil {
+				t.Fatalf("failed to call /users/@me with malformed token: %v", err)
+			}
+
+			if resp.StatusCode != http.StatusUnauthorized {
+				t.Errorf("expected 401 Unauthorized for malformed token %q, got %d", token, resp.StatusCode)
+			}
+			resp.Body.Close()
+		}
+	})
+
+	t.Run("non-existent token returns unauthorized", func(t *testing.T) {
+		fakeToken := "MTcyNjg2NjQ1NjE5NTk5MjA2NA.GzMjIx.iFakeTokenThatDoesNotExistInDatabase123456789"
+
+		resp, err := client.getWithAuth("/users/@me", fakeToken)
+		if err != nil {
+			t.Fatalf("failed to call /users/@me with fake token: %v", err)
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusUnauthorized {
+			t.Fatalf("expected 401 Unauthorized for non-existent token, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+	})
+
+	t.Run("revoked token returns unauthorized", func(t *testing.T) {
+		account := createTestAccount(t, client)
+
+		resp, err := client.getWithAuth("/users/@me", account.Token)
+		if err != nil {
+			t.Fatalf("failed to call /users/@me before logout: %v", err)
+		}
+		if resp.StatusCode != http.StatusOK {
+			t.Fatalf("expected 200 OK before logout, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+		resp.Body.Close()
+
+		logoutResp, err := client.postJSONWithAuth("/auth/logout", nil, account.Token)
+		if err != nil {
+			t.Fatalf("failed to call logout endpoint: %v", err)
+		}
+		assertStatus(t, logoutResp, http.StatusNoContent)
+		logoutResp.Body.Close()
+
+		resp, err = client.getWithAuth("/users/@me", account.Token)
+		if err != nil {
+			t.Fatalf("failed to call /users/@me after logout: %v", err)
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusUnauthorized {
+			t.Fatalf("expected 401 Unauthorized for revoked token, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+	})
+
+	t.Run("valid token allows access", func(t *testing.T) {
+		account := createTestAccount(t, client)
+
+		resp, err := client.getWithAuth("/users/@me", account.Token)
+		if err != nil {
+			t.Fatalf("failed to call /users/@me with valid token: %v", err)
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusOK {
+			t.Fatalf("expected 200 OK with valid token, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+
+		var user userPrivateResponse
+		decodeJSONResponse(t, resp, &user)
+
+		if user.ID != account.UserID {
+			t.Fatalf("expected user ID %s, got %s", account.UserID, user.ID)
+		}
+	})
+
+	t.Run("token with wrong signature returns unauthorized", func(t *testing.T) {
+		account := createTestAccount(t, client)
+
+		tamperedToken := account.Token[:len(account.Token)-10] + "0123456789"
+
+		resp, err := client.getWithAuth("/users/@me", tamperedToken)
+		if err != nil {
+			t.Fatalf("failed to call /users/@me with tampered token: %v", err)
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusUnauthorized {
+			t.Fatalf("expected 401 Unauthorized for tampered token, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+	})
+
+	t.Run("missing authorization header returns unauthorized", func(t *testing.T) {
+		resp, err := client.get("/users/@me")
+		if err != nil {
+			t.Fatalf("failed to call /users/@me without auth: %v", err)
+		}
+		defer resp.Body.Close()
+
+		if resp.StatusCode != http.StatusUnauthorized {
+			t.Fatalf("expected 401 Unauthorized for missing auth, got %d: %s", resp.StatusCode, readResponseBody(resp))
+		}
+	})
+}