Checkpoint opt-in MangaDex parser worker

scraper/plugins/validation.js

@@ -21,10 +21,36 @@ function imageUrl(value) {
   return url.href;
 }
 
+function mangaDexUrl(value, kind) {
+  const url = new URL(value);
+  if (url.protocol !== 'https:' || url.username || url.password || url.port) throw new Error('Invalid MangaDex plugin URL');
+  if (kind === 'chapter' && (url.hostname !== 'mangadex.org' || !url.pathname.startsWith('/chapter/'))) {
+    throw new Error('Unexpected MangaDex chapter URL');
+  }
+  if (kind === 'page' && !(url.hostname === 'uploads.mangadex.org' || url.hostname.endsWith('.mangadex.network'))) {
+    throw new Error('Unexpected MangaDex page host');
+  }
+  return url.href;
+}
+
 function validate(plugin, operation, output) {
-  if (plugin !== 'weebcentral' || !output || typeof output !== 'object' || Array.isArray(output)) {
+  if (!['weebcentral', 'mangadex'].includes(plugin) || !output || typeof output !== 'object' || Array.isArray(output)) {
     throw new Error('Invalid source plugin output');
   }
+  if (plugin === 'mangadex') {
+    if (operation === 'metadata') {
+      if (typeof output.title !== 'string' || !output.availabilityAttributes || typeof output.specialLabel !== 'string') throw new Error('Invalid MangaDex metadata');
+    } else if (operation === 'feed') {
+      if (!Array.isArray(output.releases) || output.releases.some(ref => typeof ref?.id !== 'string' || !ref.attributes)) throw new Error('Invalid MangaDex feed');
+    } else if (operation === 'catalog') {
+      if (!Array.isArray(output.chapters) || !output.availability) throw new Error('Invalid MangaDex catalog');
+      for (const chapter of output.chapters) mangaDexUrl(chapter.url, 'chapter');
+    } else if (operation === 'atHome') {
+      if (!Array.isArray(output.pages) || !output.pages.length) throw new Error('Invalid MangaDex pages');
+      for (const page of output.pages) mangaDexUrl(page.url, 'page');
+    } else throw new Error('Unknown source plugin operation');
+    return output;
+  }
   if (operation === 'series') {
     if (typeof output.title !== 'string' || typeof output.listUrl !== 'string' && output.listUrl !== null) throw new Error('Invalid series parse');
     if (output.listUrl !== null) sourceUrl(output.listUrl, '/series/');