content type

src/activitypub/Server.ts

@@ -50,6 +50,13 @@ export class APServer extends Server {
 
 		this.app = app;
 
+		this.app.use("*", (req, res, next) => {
+			res.setHeader(
+				"Content-Type",
+				"application/activity+json; charset=utf-8",
+			);
+			next();
+		});
 		this.app.use("/fed", api);
 		this.app.get("/fed", (req, res) => {
 			res.json({ ping: "pong" });

src/activitypub/webfinger/index.ts

@@ -48,6 +48,7 @@ router.get(
 
 		const type = found instanceof Channel ? "channel" : "user";
 
+		res.setHeader("Content-Type", "application/jrd+json; charset=utf-8");
 		return res.json({
 			subject: `acct:${resourceId}@${webDomain}`, // mastodon always returns acct so might as well
 			aliases: [`https://${webDomain}/fed/${type}/${resourceId}`],