feat(server): add fetch-rss api to reduce dependency of external apis

packages/backend/package.json

@@ -92,6 +92,7 @@
 		"rename": "1.0.4",
 		"require-all": "3.0.0",
 		"rndstr": "1.0.0",
+		"rss-parser": "3.12.0",
 		"s-age": "1.1.2",
 		"sanitize-html": "2.7.0",
 		"semver": "7.3.7",

packages/backend/src/server/api/endpoints.ts

@@ -307,6 +307,7 @@ import * as ep___users_searchByUsernameAndHost from './endpoints/users/search-by
 import * as ep___users_search from './endpoints/users/search.js';
 import * as ep___users_show from './endpoints/users/show.js';
 import * as ep___users_stats from './endpoints/users/stats.js';
+import * as ep___fetchRss from './endpoints/fetch-rss.js';
 
 const eps = [
 	['admin/meta', ep___admin_meta],
@@ -616,6 +617,7 @@ const eps = [
 	['users/search', ep___users_search],
 	['users/show', ep___users_show],
 	['users/stats', ep___users_stats],
+	['fetch-rss', ep___fetchRss],
 ];
 
 export interface IEndpointMeta {

packages/backend/src/server/api/endpoints/fetch-rss.ts

@@ -0,0 +1,39 @@
+import Parser from 'rss-parser';
+import { getResponse } from '@/misc/fetch.js';
+import config from '@/config/index.js';
+import define from '../define.js';
+
+const rssParser = new Parser();
+
+export const meta = {
+	tags: ['meta'],
+
+	requireCredential: false,
+	allowGet: true,
+	cacheSec: 60 * 3,
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		url: { type: 'string' },
+	},
+	required: ['url'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps) => {
+	const res = await getResponse({
+		url: ps.url,
+		method: 'GET',
+		headers: Object.assign({
+			'User-Agent': config.userAgent,
+			Accept: 'application/rss+xml, */*',
+		}),
+		timeout: 5000,
+	});
+
+	const text = await res.text();
+
+	return rssParser.parseString(text);
+});

packages/backend/yarn.lock

@@ -2485,6 +2485,11 @@ entities@^2.0.0:
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.0.tgz#68d6084cab1b079767540d80e56a39b423e4abf4"
   integrity sha512-D9f7V0JSRwIxlRI2mjMqufDrRDnx8p+eEOz7aUM9SuvF8gsBzra0/6tbjl1m8eQHrZlYj6PxqE00hZ1SAIKPLw==
 
+entities@^2.0.3:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
+  integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
+
 entities@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/entities/-/entities-4.3.0.tgz#62915f08d67353bb4eb67e3d62641a4059aec656"
@@ -5985,6 +5990,14 @@ rndstr@1.0.0:
     rangestr "0.0.1"
     seedrandom "2.4.2"
 
+rss-parser@3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/rss-parser/-/rss-parser-3.12.0.tgz#b8888699ea46304a74363fbd8144671b2997984c"
+  integrity sha512-aqD3E8iavcCdkhVxNDIdg1nkBI17jgqF+9OqPS1orwNaOgySdpvq6B+DoONLhzjzwV8mWg37sb60e4bmLK117A==
+  dependencies:
+    entities "^2.0.3"
+    xml2js "^0.4.19"
+
 run-parallel@^1.1.9:
   version "1.1.9"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.9.tgz#c9dd3a7cf9f4b2c4b6244e173a6ed866e61dd679"
@@ -7169,7 +7182,7 @@ xml2js@0.4.19:
     sax ">=0.6.0"
     xmlbuilder "~9.0.1"
 
-xml2js@^0.4.23:
+xml2js@^0.4.19, xml2js@^0.4.23:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.23.tgz#a0c69516752421eb2ac758ee4d4ccf58843eac66"
   integrity sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==

packages/client/src/widgets/rss-marquee.vue

@@ -80,7 +80,7 @@ const fetching = ref(true);
 let key = $ref(0);
 
 const tick = () => {
-	fetch(`https://api.rss2json.com/v1/api.json?rss_url=${widgetProps.url}`, {}).then(res => {
+	fetch(`/api/fetch-rss?url=${widgetProps.url}`, {}).then(res => {
 		res.json().then(feed => {
 			items.value = feed.items;
 			fetching.value = false;

packages/client/src/widgets/rss.vue

@@ -51,7 +51,7 @@ const items = ref([]);
 const fetching = ref(true);
 
 const tick = () => {
-	fetch(`https://api.rss2json.com/v1/api.json?rss_url=${widgetProps.url}`, {}).then(res => {
+	fetch(`/api/fetch-rss?url=${widgetProps.url}`, {}).then(res => {
 		res.json().then(feed => {
 			items.value = feed.items;
 			fetching.value = false;