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

api/src/processing/services/ok.js

@@ -0,0 +1,65 @@
+import { genericUserAgent, env } from "../../config.js";
+import { cleanString } from "../../misc/utils.js";
+
+const resolutions = {
+    "ultra": "2160",
+    "quad": "1440",
+    "full": "1080",
+    "hd": "720",
+    "sd": "480",
+    "low": "360",
+    "lowest": "240",
+    "mobile": "144"
+}
+
+export default async function(o) {
+    let quality = o.quality === "max" ? "2160" : o.quality;
+
+    let html = await fetch(`https://ok.ru/video/${o.id}`, {
+        headers: { "user-agent": genericUserAgent }
+    }).then(r => r.text()).catch(() => {});
+
+    if (!html) return { error: 'ErrorCouldntFetch' };
+
+    let videoData = html.match(/<div data-module="OKVideo" .*? data-options="({.*?})"( .*?)>/)
+                        ?.[1]
+                        ?.replaceAll("&quot;", '"');
+
+    if (!videoData) {
+        return { error: 'ErrorEmptyDownload' };
+    }
+
+    videoData = JSON.parse(JSON.parse(videoData).flashvars.metadata);
+
+    if (videoData.provider !== "UPLOADED_ODKL")
+        return { error: 'ErrorUnsupported' };
+
+    if (videoData.movie.is_live)
+        return { error: 'ErrorLiveVideo' };
+
+    if (videoData.movie.duration > env.durationLimit)
+        return { error: ['ErrorLengthLimit', env.durationLimit / 60] };
+
+    let videos = videoData.videos.filter(v => !v.disallowed);
+    let bestVideo = videos.find(v => resolutions[v.name] === quality) || videos[videos.length - 1];
+
+    let fileMetadata = {
+        title: cleanString(videoData.movie.title.trim()),
+        author: cleanString((videoData.author?.name || videoData.compilationTitle).trim()),
+    }
+
+    if (bestVideo) return {
+        urls: bestVideo.url,
+        filenameAttributes: {
+            service: "ok",
+            id: o.id,
+            title: fileMetadata.title,
+            author: fileMetadata.author,
+            resolution: `${resolutions[bestVideo.name]}p`,
+            qualityLabel: `${resolutions[bestVideo.name]}p`,
+            extension: "mp4"
+        }
+    }
+
+    return { error: 'ErrorEmptyDownload' }
+}