initial commit

tests/integration/cross_guild_role_assignment_forbidden_test.go

@@ -0,0 +1,94 @@
+/*
+ * 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"
+	"testing"
+)
+
+// TestCrossGuildRoleAssignmentForbidden ensures roles cannot be applied across guild boundaries
+func TestCrossGuildRoleAssignmentForbidden(t *testing.T) {
+	client := newTestClient(t)
+	owner := createTestAccount(t, client)
+	member := createTestAccount(t, client)
+
+	guildA := createGuild(t, client, owner.Token, "Role Source Guild")
+	guildAID := parseSnowflake(t, guildA.ID)
+
+	guildB := createGuild(t, client, owner.Token, "Role Target Guild")
+	guildBID := parseSnowflake(t, guildB.ID)
+	channelB := parseSnowflake(t, guildB.SystemChannel)
+
+	resp, err := client.postJSONWithAuth(fmt.Sprintf("/guilds/%d/roles", guildAID), map[string]any{"name": "foreign-role"}, owner.Token)
+	if err != nil {
+		t.Fatalf("failed to create role in guild A: %v", err)
+	}
+	assertStatus(t, resp, http.StatusOK)
+	var role struct {
+		ID string `json:"id"`
+	}
+	decodeJSONResponse(t, resp, &role)
+	roleID := role.ID
+
+	inviteB := createChannelInvite(t, client, owner.Token, channelB)
+	resp, err = client.postJSONWithAuth(fmt.Sprintf("/invites/%s", inviteB.Code), nil, member.Token)
+	if err != nil {
+		t.Fatalf("failed to join guild B: %v", err)
+	}
+	assertStatus(t, resp, http.StatusOK)
+	resp.Body.Close()
+
+	resp, err = client.putWithAuth(fmt.Sprintf("/guilds/%d/members/%s/roles/%s", guildBID, member.UserID, roleID), owner.Token)
+	if err != nil {
+		t.Fatalf("failed to attempt cross-guild role add: %v", err)
+	}
+	if resp.StatusCode == http.StatusNoContent {
+		t.Fatalf("expected cross-guild role assignment to be rejected, got 204")
+	}
+	resp.Body.Close()
+
+	resp, err = client.postJSONWithAuth(fmt.Sprintf("/guilds/%d/roles", guildBID), map[string]any{"name": "local-role"}, owner.Token)
+	if err != nil {
+		t.Fatalf("failed to create local role: %v", err)
+	}
+	assertStatus(t, resp, http.StatusOK)
+	var localRole struct {
+		ID string `json:"id"`
+	}
+	decodeJSONResponse(t, resp, &localRole)
+
+	resp, err = client.putWithAuth(fmt.Sprintf("/guilds/%d/members/%s/roles/%s", guildBID, member.UserID, localRole.ID), owner.Token)
+	if err != nil {
+		t.Fatalf("failed to add local role: %v", err)
+	}
+	assertStatus(t, resp, http.StatusNoContent)
+	resp.Body.Close()
+
+	resp, err = client.delete(fmt.Sprintf("/guilds/%d/members/%s/roles/%s", guildBID, member.UserID, roleID), owner.Token)
+	if err != nil {
+		t.Fatalf("failed to attempt cross-guild role removal: %v", err)
+	}
+	if resp.StatusCode == http.StatusNoContent {
+		t.Fatalf("expected cross-guild role removal to be rejected, got 204")
+	}
+	resp.Body.Close()
+}