Add NHentai.Com (#5559)

* Add NHentai.Com

Fixes #2308

* Add files via upload

src/web/mjs/connectors/NHentaiCom.mjs

@@ -0,0 +1,38 @@
+import Connector from '../engine/Connector.mjs';
+import Manga from '../engine/Manga.mjs';
+
+export default class NHentaiCom extends Connector {
+
+    constructor() {
+        super();
+        super.id = 'nhentaicom';
+        super.label = 'NHentai.Com';
+        this.tags = [ 'hentai' ];
+        this.url = 'https://nhentai.com';
+    }
+
+    async _getMangas() {
+        let msg = 'This website provides a manga list that is to large to scrape, please copy and paste the URL containing the images directly from your browser into HakuNeko.';
+        throw new Error(msg);
+    }
+
+    async _getChapters(manga) {
+        return [ Object.assign({language: '' }, manga) ];
+    }
+
+    async _getPages(chapter) {
+        const uri = new URL(`/api/comics/${chapter.id}/images`, this.url);
+        const request = new Request(uri, this.requestOptions);
+        const data = await this.fetchJSON(request);
+        return data.images.map(el => {
+            return el.source_url;
+        });
+    }
+
+    async _getMangaFromURI(uri) {
+        const slug = uri.pathname.split('/').pop();
+        const request = new Request(new URL(`/api/comics/${slug}`, this.url), this.requestOptions);
+        const data = await this.fetchJSON(request);
+        return new Manga(this, data.slug, data.title);
+    }
+}