diff --git a/routes/api/filemeta.ts b/routes/api/filemeta.ts
index ba543c7..3137777 100644
--- a/routes/api/filemeta.ts
+++ b/routes/api/filemeta.ts
@@ -1,7 +1,7 @@
 import { Handlers } from "$fresh/server.ts";
 import { EhFileMeta } from "../../db.ts";
 import { get_task_manager } from "../../server.ts";
-import { get_string, parse_bool } from "../../server/parse_form.ts";
+import { get_string, parse_bool, parse_int } from "../../server/parse_form.ts";
 import { return_data, return_error } from "../../server/utils.ts";
 
 export function get_filemeta(token: string) {
@@ -28,6 +28,21 @@ export function put_filemeta(d: EhFileMeta) {
     return return_data({});
 }
 
+export function put_gallery_filemeta(
+    gid: number,
+    is_nsfw: boolean,
+    is_ad: boolean,
+    excludes: Set<string>,
+) {
+    const m = get_task_manager();
+    const tokens = new Set(m.db.get_pmeta(gid).map((d) => d.token));
+    for (const token of tokens) {
+        if (excludes.has(token)) continue;
+        m.db.add_filemeta({ token, is_nsfw, is_ad });
+    }
+    return return_data({});
+}
+
 export const handler: Handlers = {
     GET(req, _ctx) {
         const u = new URL(req.url);
@@ -52,6 +67,25 @@ export const handler: Handlers = {
                 ) {
                     return put_filemeta(b);
                 } else return return_error(3, "Invalid parameters.");
+            } else if (typeof b.gid === "number") {
+                if (
+                    typeof b.is_nsfw === "boolean" &&
+                    typeof b.is_ad === "boolean"
+                ) {
+                    const excludes: Set<string> =
+                        // @ts-ignore Any
+                        Array.isArray(b.excludes) && b.excludes.every((d) =>
+                                typeof d === "string"
+                            )
+                            ? new Set(b.excludes)
+                            : new Set();
+                    return put_gallery_filemeta(
+                        b.gid,
+                        b.is_nsfw,
+                        b.is_ad,
+                        excludes,
+                    );
+                } else return return_error(3, "Invalid parameters.");
             }
             return return_error(5, "Unknown JSON format.");
         } else if (
@@ -65,13 +99,18 @@ export const handler: Handlers = {
                 return return_error(3, "Invalid parameters.");
             }
             const token = await get_string(d.get("token"));
+            const gid = await parse_int(d.get("gid"), null);
+            const is_nsfw = await parse_bool(d.get("is_nsfw"), null);
+            const is_ad = await parse_bool(d.get("is_ad"), null);
+            if (is_nsfw === null || is_ad === null) {
+                return return_error(3, "Invalid parameters.");
+            }
             if (token) {
-                const is_nsfw = await parse_bool(d.get("is_nsfw"), null);
-                const is_ad = await parse_bool(d.get("is_ad"), null);
-                if (is_nsfw === null || is_ad === null) {
-                    return return_error(3, "Invalid parameters.");
-                }
                 return put_filemeta({ token, is_nsfw, is_ad });
+            } else if (gid !== null) {
+                const e = await get_string(d.get("excludes"));
+                const excludes = e ? new Set(e.split(",")) : new Set<string>();
+                return put_gallery_filemeta(gid, is_nsfw, is_ad, excludes);
             }
         }
         return return_error(4, "Unknown format.");