api: flatten code directories, better filenames, remove old files

api/src/processing/services/pinterest.js

@@ -0,0 +1,43 @@
+import { genericUserAgent } from "../../config.js";
+
+const videoRegex = /"url":"(https:\/\/v1\.pinimg\.com\/videos\/.*?)"/g;
+const imageRegex = /src="(https:\/\/i\.pinimg\.com\/.*\.(jpg|gif))"/g;
+
+export default async function(o) {
+    let id = o.id;
+
+    if (!o.id && o.shortLink) {
+        id = await fetch(`https://api.pinterest.com/url_shortener/${o.shortLink}/redirect/`, { redirect: "manual" })
+                   .then(r => r.headers.get("location").split('pin/')[1].split('/')[0])
+                   .catch(() => {});
+    }
+    if (id.includes("--")) id = id.split("--")[1];
+    if (!id) return { error: 'ErrorCouldntFetch' };
+
+    let html = await fetch(`https://www.pinterest.com/pin/${id}/`, {
+        headers: { "user-agent": genericUserAgent }
+    }).then(r => r.text()).catch(() => {});
+
+    if (!html) return { error: 'ErrorCouldntFetch' };
+
+    let videoLink = [...html.matchAll(videoRegex)]
+                    .map(([, link]) => link)
+                    .find(a => a.endsWith('.mp4') && a.includes('720p'));
+
+    if (videoLink) return {
+        urls: videoLink,
+        filename: `pinterest_${o.id}.mp4`,
+        audioFilename: `pinterest_${o.id}_audio`
+    }
+
+    let imageLink = [...html.matchAll(imageRegex)]
+                    .map(([, link]) => link)
+                    .find(a => a.endsWith('.jpg') || a.endsWith('.gif'));
+
+    if (imageLink) return {
+        urls: imageLink,
+        isPhoto: true
+    }
+
+    return { error: 'ErrorEmptyDownload' };
+}