`/tags` と `/user-tags` が検索エンジンにインデックスされないように (#13847)

* chore(backend): noindex for tag search pages

* docs(changelog): `/tags` と `/user-tags` が検索エンジンにインデックスされないように

* chore: base.pug内でフラグでコントロールするように

2 files changed, 17 insertions, 1 deletions

diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index 1394616752..f35ec8ba31 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -438,7 +438,7 @@ export class ClientServerService {
 
 		//#endregion
 
-		const renderBase = async (reply: FastifyReply) => {
+		const renderBase = async (reply: FastifyReply, data: { [key: string]: any } = {}) => {
 			const meta = await this.metaService.fetch();
 			reply.header('Cache-Control', 'public, max-age=30');
 			return await reply.view('base', {
@@ -447,6 +447,7 @@ export class ClientServerService {
 				title: meta.name ?? 'Misskey',
 				desc: meta.description,
 				...await this.generateCommonPugData(meta),
+				...data,
 			});
 		};
 
@@ -744,6 +745,18 @@ export class ClientServerService {
 		});
 		//#endregion
 
+		//region noindex pages
+		// Tags
+		fastify.get<{ Params: { clip: string; } }>('/tags/:tag', async (request, reply) => {
+			return await renderBase(reply, { noindex: true });
+		});
+
+		// User with Tags
+		fastify.get<{ Params: { clip: string; } }>('/user-tags/:tag', async (request, reply) => {
+			return await renderBase(reply, { noindex: true });
+		});
+		//endregion
+
 		fastify.get('/_info_card_', async (request, reply) => {
 			const meta = await this.metaService.fetch(true);
 
diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index 1d9146e22a..ec1325e4e9 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -50,6 +50,9 @@ html
 			block title
 				= title || 'Misskey'
 
+		if noindex
+			meta(name='robots' content='noindex')
+
 		block desc
 			meta(name='description' content= desc || '✨🌎✨ A interplanetary communication platform ✨🚀✨')