Test embeding image/png etc responses

api/src/util/handlers/Message.ts

@@ -59,7 +59,7 @@ export async function handleMessage(opts: MessageOptions): Promise<Message> {
 	});
 
 	if (message.content && message.content.length > Config.get().limits.message.maxCharacters) {
-		throw new HTTPError("Content length over max character limit")
+		throw new HTTPError("Content length over max character limit");
 	}
 
 	if (opts.author_id) {
@@ -152,6 +152,8 @@ export async function postHandleMessage(message: Message) {
 
 	links = links.slice(0, 20); // embed max 20 links — TODO: make this configurable with instance policies
 
+	const { endpointPublic, resizeWidthMax, resizeHeightMax } = Config.get().cdn;
+
 	for (const link of links) {
 		try {
 			const request = await fetch(link, {
@@ -159,6 +161,26 @@ export async function postHandleMessage(message: Message) {
 				size: Config.get().limits.message.maxEmbedDownloadSize,
 			});
 
+			let embed: Embed;
+
+			const type = request.headers.get("content-type");
+			if (type?.indexOf("image") == 0) {
+				embed = {
+					provider: {
+						url: link,
+						name: new URL(link).hostname,
+					},
+					image: {
+						// can't be bothered rn
+						proxy_url: `${endpointPublic}/external/resize/${encodeURIComponent(link)}?width=500&height=400`,
+						url: link,
+						width: 500,
+						height: 400
+					}
+				};
+				data.embeds.push(embed);
+			}
+			else {
 				const text = await request.text();
 				const $ = cheerio.load(text);
 
@@ -173,14 +195,13 @@ export async function postHandleMessage(message: Message) {
 
 				const url = $('meta[property="og:url"]').attr("content");
 				// TODO: color
-			const embed: Embed = {
+				embed = {
 					provider: {
 						url: link,
 						name: provider_name
 					}
 				};
 
-			const { endpointPublic, resizeWidthMax, resizeHeightMax } = Config.get().cdn;
 				const resizeWidth = Math.min(resizeWidthMax ?? 1, width ?? 100);
 				const resizeHeight = Math.min(resizeHeightMax ?? 1, height ?? 100);
 				if (author_name) embed.author = { name: author_name };
@@ -197,6 +218,7 @@ export async function postHandleMessage(message: Message) {
 				if (title || description) {
 					data.embeds.push(embed);
 				}
+			}
 		} catch (error) { }
 	}
 

bundle/tsconfig.json

@@ -8,7 +8,8 @@
 		"target": "ES6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
 		"module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
 		"lib": [
-			"ES2021"
+			"ES2021",
+			"DOM"
 		] /* Specify library files to be included in the compilation. */,
 		"allowJs": true /* Allow javascript files to be compiled. */,
 		"checkJs": true /* Report errors in .js files. */,