fixed expiring playback urls

src/constants.ts

@@ -0,0 +1,21 @@
+/*
+ * tiktxk - Open Source, Privacy First TikTok Embeds
+ * Copyright (C) 2022 Britmoji
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+export const Constants = {
+  HOST_URL: "https://tiktxk.com",
+};

src/index.ts

@@ -24,6 +24,7 @@ import { StatusCode } from "hono/utils/http-status";
 import { addTikTokRoutes } from "./routes/tiktok";
 import { addIndexRoutes } from "./routes";
 import { addEmbedRoutes } from "@/routes/embed";
+import { addMetaRoutes } from "@/routes/meta";
 
 const app = new Hono();
 
@@ -32,6 +33,7 @@ app.use("*", etag(), logger());
 // Add routes
 addIndexRoutes(app);
 addEmbedRoutes(app);
+addMetaRoutes(app);
 addTikTokRoutes(app);
 
 // Add error handlers

src/routes/meta.ts

@@ -0,0 +1,71 @@
+/*
+ * tiktxk - Open Source, Privacy First TikTok Embeds
+ * Copyright (C) 2022 Britmoji
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { Hono } from "hono";
+import { tiktok } from "@/util/tiktok";
+import { StatusError } from "@/types/cloudflare";
+
+export const addMetaRoutes = (app: Hono) => {
+  // Video metadata
+  app.get("/meta/:videoId/video", async (c) => {
+    const videoId = c.req.param("videoId");
+    const details = await tiktok.details(videoId);
+
+    if (!details) {
+      throw new StatusError(404);
+    }
+
+    return c.redirect(details.itemInfo.itemStruct.video.downloadAddr);
+  });
+
+  // Thumbnail metadata
+  app.get("/meta/:videoId/thumbnail", async (c) => {
+    const videoId = c.req.param("videoId");
+    const details = await tiktok.details(videoId);
+
+    if (!details) {
+      throw new StatusError(404);
+    }
+
+    return c.redirect(details.itemInfo.itemStruct.video.cover);
+  });
+
+  // Audio metadata
+  app.get("/meta/:videoId/audio", async (c) => {
+    const videoId = c.req.param("videoId");
+    const details = await tiktok.details(videoId);
+
+    if (!details) {
+      throw new StatusError(404);
+    }
+
+    return c.redirect(details.itemInfo.itemStruct.music.playUrl);
+  });
+
+  // All metadata
+  app.get("/meta/:videoId", async (c) => {
+    const videoId = c.req.param("videoId");
+    const details = await tiktok.details(videoId);
+
+    if (!details) {
+      throw new StatusError(404);
+    }
+
+    return c.json(details);
+  });
+};

src/routes/tiktok.tsx

@@ -23,8 +23,10 @@ import { StatusError } from "@/types/cloudflare";
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 import { jsx } from "hono/jsx";
 import { formatNumber } from "@/util/numbers";
+import { Constants } from "@/constants";
 
 const DiscordEmbed = ({ data }: { data: ItemDetails }) => {
+  const videoId = data.itemInfo.itemStruct.id;
   const video = data.itemInfo.itemStruct.video;
   const stats = data.itemInfo.itemStruct.stats;
   const author = data.itemInfo.itemStruct.author.uniqueId;
@@ -45,7 +47,10 @@ const DiscordEmbed = ({ data }: { data: ItemDetails }) => {
         />
 
         {/* Video Metadata */}
-        <meta property="og:video" content={video.downloadAddr} />
+        <meta
+          property="og:video"
+          content={`${Constants.HOST_URL}/meta/${videoId}/video`}
+        />
         <meta property="og:video:type" content={`video/${video.format}`} />
         <meta property="og:video:width" content={video.width} />
         <meta property="og:video:height" content={video.height} />
@@ -54,7 +59,7 @@ const DiscordEmbed = ({ data }: { data: ItemDetails }) => {
         {/* The additional oembed is pulled by Discord to enable improved embeds. */}
         <link
           rel="alternate"
-          href={`https://tiktxk.com/internal/embed?username=${author}`}
+          href={`${Constants.HOST_URL}/internal/embed?username=${author}`}
           type="application/json+oembed"
         />
       </head>

src/util/tiktok.ts

@@ -62,6 +62,9 @@ export interface ItemDetails {
         height: number;
         width: number;
       };
+      music: {
+        playUrl: string;
+      };
     };
   };
 }