4 files changed, 93 insertions, 0 deletions
diff --git a/web/source/settings/lib/navigation/util.ts b/web/source/settings/lib/navigation/util.ts
index 2c5885c4d..b1ef7834d 100644
--- a/web/source/settings/lib/navigation/util.ts
+++ b/web/source/settings/lib/navigation/util.ts
@@ -21,6 +21,7 @@ import { createContext, useContext } from "react";
 const RoleContext = createContext<string[]>([]);
 const BaseUrlContext = createContext<string>("");
 const MenuLevelContext = createContext<number>(0);
+const InstanceDebugContext = createContext<boolean>(false);
 
 function urlSafe(str: string) {
 	return str.toLowerCase().replace(/[\s/]+/g, "-");
@@ -67,6 +68,10 @@ function useMenuLevel() {
 	return useContext(MenuLevelContext);
 }
 
+function useInstanceDebug() {
+	return useContext(InstanceDebugContext);
+}
+
 export {
 	urlSafe,
 	RoleContext,
@@ -76,4 +81,6 @@ export {
 	useBaseUrl,
 	MenuLevelContext,
 	useMenuLevel,
+	InstanceDebugContext,
+	useInstanceDebug,
 };
diff --git a/web/source/settings/lib/query/admin/debug/index.ts b/web/source/settings/lib/query/admin/debug/index.ts
new file mode 100644
index 000000000..5dabd4666
--- /dev/null
+++ b/web/source/settings/lib/query/admin/debug/index.ts
@@ -0,0 +1,59 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	This program 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.
+
+	This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import { ApURLResponse } from "../../../types/debug";
+import { gtsApi } from "../../gts-api";
+
+const extended = gtsApi.injectEndpoints({
+	endpoints: (build) => ({
+		ApURL: build.query<ApURLResponse, string>({
+			query: (url) => {
+				// Get the url in a SearchParam
+				// so we can escape it.
+				const urlParam = new URLSearchParams();
+				urlParam.set("url", url);
+
+				return {
+					url: `/api/v1/admin/debug/apurl?${urlParam.toString()}`,
+				};
+			}
+		}),
+		ClearCaches: build.mutation<{}, void>({
+			query: () => ({
+				method: "POST",
+				url: `/api/v1/admin/debug/caches/clear`
+			})
+		}),
+	}),
+});
+
+/**
+ * Lazy GET to /api/v1/admin/debug/apurl.
+ */
+const useLazyApURLQuery = extended.useLazyApURLQuery;
+
+/**
+ * POST to /api/v1/admin/debug/caches/clear to empty in-memory caches.
+ */
+const useClearCachesMutation = extended.useClearCachesMutation;
+
+export {
+	useLazyApURLQuery,
+	useClearCachesMutation,
+};
diff --git a/web/source/settings/lib/types/debug.ts b/web/source/settings/lib/types/debug.ts
new file mode 100644
index 000000000..dab2c485d
--- /dev/null
+++ b/web/source/settings/lib/types/debug.ts
@@ -0,0 +1,26 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	This program 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.
+
+	This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+export interface ApURLResponse {
+	request_url: string;
+	request_headers: string;
+	response_headers: string;
+	response_code: number;
+	response_body: string;
+}
diff --git a/web/source/settings/lib/types/instance.ts b/web/source/settings/lib/types/instance.ts
index adc55687c..4c6f5061b 100644
--- a/web/source/settings/lib/types/instance.ts
+++ b/web/source/settings/lib/types/instance.ts
@@ -27,6 +27,7 @@ export interface InstanceV1 {
     short_description_text?: string;
     email:                  string;
     version:                string;
+    debug?:                 boolean;
     languages:              any[]; // TODO: define this
     registrations:          boolean;
     approval_required:      boolean;