Add worker.js

worker.js

@@ -0,0 +1,162 @@
+const languages = new Set(["en", "fr", "es", "it", "pl", "tr", "ja", "zh", "sv"]);
+const contentTypes = new Set(["sfw", "nsfw"]);
+const urlBase = "https://api.comick.fun/chapter/";
+const genreBase = "https://api.comick.io/genre/";
+const cache = new Map();
+const genreCache = new Map();
+
+export default {
+  async fetch(request) {
+    const url = new URL(request.url);
+    const path = url.pathname;
+
+    if (path === "/info") {
+      return getInfoResponse();
+    }
+
+    try {
+      const language = findLanguage(url);
+      const contentType = findContentType(url);
+      const cacheKey = `${language}-${contentType}`;
+
+      let data;
+      if (cache.has(cacheKey)) {
+        data = cache.get(cacheKey);
+      } else {
+        const apiUrl = `${urlBase}?lang=${language}&page=1&order=new&accept_erotic_content=${contentType === 'nsfw'}`;
+        data = await fetchData(apiUrl);
+        cache.set(cacheKey, data); // Cache the response
+      }
+
+      // Fetch genres if not already cached
+      if (!genreCache.size) {
+        const genres = await fetchData(genreBase);
+        const genreMap = genres.reduce((acc, genre) => {
+          acc[genre.id] = genre.name;
+          return acc;
+        }, {});
+        genreCache.set('allGenres', genreMap);
+      }
+
+      const rssData = generateRSS(data, language, contentType, url);
+      return new Response(rssData, {
+        headers: {
+          "Content-Type": "application/rss+xml",
+        },
+      });
+    } catch (error) {
+      console.error("Error processing request:", error);
+      return new Response("Internal Server Error", {
+        status: 500,
+        headers: {
+          "Content-Type": "text/plain",
+        },
+      });
+    }
+  },
+};
+
+function getInfoResponse() {
+  return new Response(`
+    <html>
+      <head>
+        <title>Worker Info</title>
+      </head>
+      <body>
+        <h1>Welcome to Manga-RSS!</h1>
+        <p>Unfortunately, the GitHub repo was taken down and the python script stopped working, but after rewriting the project in JavaScript, I was able to bring it back. To use this new version with even more supported languages, you just append /[language] to the base url and either /sfw or /nsfw for the content rating.</p>
+      </body>
+    </html>`, {
+    headers: {
+      "Content-Type": "text/html",
+    },
+  });
+}
+
+async function fetchData(apiUrl) {
+  const init = {
+    headers: {
+      "content-type": "application/json;charset=UTF-8",
+      "User-Agent": "Mozilla/5.0",
+    },
+  };
+
+  try {
+    const responseFromApi = await fetch(apiUrl, init);
+    if (!responseFromApi.ok) {
+      throw new Error(`Failed to fetch data from API (${responseFromApi.status} ${responseFromApi.statusText})`);
+    }
+
+    const contentType = (responseFromApi.headers.get("content-type") || "").toLowerCase();
+    return contentType.includes("application/json") ? responseFromApi.json() : responseFromApi.text();
+  } catch (error) {
+    console.error("Error fetching data:", error);
+    throw new Error("Failed to fetch data from the API");
+  }
+}
+
+function findLanguage(url) {
+  for (const lang of languages) {
+    if (url.pathname.includes(`/${lang}`)) {
+      return lang;
+    }
+  }
+  return "en";
+}
+
+function findContentType(url) {
+  for (const type of contentTypes) {
+    if (url.pathname.includes(`/${type}`)) {
+      return type;
+    }
+  }
+  return "sfw";
+}
+
+function encodeHTML(text) {
+  return text.replace(/</g, '').replace(/>/g, '');
+}
+
+function getGenreNames(genreIds) {
+  const allGenres = genreCache.get('allGenres');
+  return genreIds.map(id => `<li>${encodeHTML(allGenres[id] || 'Unknown Genre')}</li>`).join('');
+}
+
+function generateRSS(data, language, contentType, url) {
+  const rssHeader = `<?xml version="1.0" encoding="UTF-8" ?>
+    <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+    <channel>
+    <title>ComicK - ${language} ${contentType.toUpperCase()} RSS Feed</title>
+    <link>https://github.com/ld3z/manga-rss</link>
+    <description>A simple RSS feed for ComicK!</description>
+    <atom:link href="${url.origin + url.pathname}" rel="self" type="application/rss+xml"/>`;
+
+  const rssItems = data.map(comicData => {
+    const comic = comicData.md_comics;
+
+    const title = `<![CDATA[${encodeHTML(`${comic.title} - Chapter ${comicData.chap}`)}]]>`;
+
+    // Embed the image in the description as an <img> tag
+    const coverImageURL = comic.md_covers[0] ? `https://meo.comick.pictures/${comic.md_covers[0].b2key}` : '';
+    const description = coverImageURL ? `<![CDATA[Chapter ${comicData.chap} of ${comic.title} is now available on ComicK!<br><strong>Genres:</strong><ul>${getGenreNames(comic.genres)}</ul><br><img src="${coverImageURL}" alt="Cover Image" width="200" height="300" />]]>` :
+      `<![CDATA[Chapter ${comicData.chap} of ${comic.title} is now available on ComicK!<br><strong>Genres:</strong><ul>${getGenreNames(comic.genres)}</ul>]]>`;
+
+    // Extract and format the 'updated_at' field from the API response
+    const pubDate = comicData.updated_at ? new Date(comicData.updated_at).toUTCString() : new Date().toUTCString();
+
+    return `
+      <item>
+        <guid>https://comick.io/comic/${comic.slug}</guid>
+        <title>${title}</title>
+        <link>https://comick.io/comic/${comic.slug}</link>
+        <description>${description}</description>
+        <pubDate>${pubDate}</pubDate>
+      </item>`;
+  }).join('');
+
+  const rssFooter = `
+    </channel>
+    </rss>`;
+
+  return `${rssHeader}${rssItems}${rssFooter}`;
+}