Added api route for getting basic information about an url

src/server.js

@@ -35,7 +35,7 @@ fastify.get('/a/:id', async (req, res) => {
 fastify.get('/yt/:id', async (req, res) => {
     res.redirect(302, `https://youtu.be/${req.params.id}`)
 })
-//Automagic Youtube redirects on /ytpl/
+//Automagic Youtube Playlist redirects on /ytpl/
 fastify.get('/ytpl/:id', async (req, res) => {
     res.redirect(302, `https://youtube.com/playlist?list=${req.params.id}`)
 })
@@ -69,8 +69,8 @@ const newUrlSchema = {
     }
 };
 
-//Create new url route
+//Create new url api route
-fastify.post('/api/new', { newUrlSchema }, async (req, res) => {
+fastify.post('/api', { newUrlSchema }, async (req, res) => {
     const target = req.body?.target;
     let shortcode = req.body?.shortcode;
 
@@ -132,13 +132,37 @@ fastify.post('/api/new', { newUrlSchema }, async (req, res) => {
     }
 });
 
+//Get url api route
+fastify.get('/api/:shortcode', async (req, res) => {
+    const shortcode = req.params.shortcode;
+
+    //This should never happen but better safe than 500
+    if (!shortcode) {
+        return 404;
+    }
+
+    const exists = await knex.select('shortcode', 'target')
+        .from('urls')
+        .where('shortcode', '=', shortcode)
+        .limit(1);
+    if (exists.length == 0) {
+        return 404;
+    }
+
+    return {
+        url: `${config.getBaseUrl()}/${exists[0].shortcode}`,
+        shortcode: exists[0].shortcode,
+        target: exists[0].target
+    }
+});
+
 /**
  * Checks for some default providers with custom url schemes (amazon and youtube r/n)
  * @param {string} target The target URL
  * @returns Standard shortening response if provider recognized or null
  */
 function checkKnownProviders(target) {
-    target=decodeURIComponent(target);
+    target = decodeURIComponent(target);
     const youtubeVideoID = target.match(/(?:youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})/)
     if (youtubeVideoID) {
         const shortcode = `yt/${youtubeVideoID[1]}`