api/bluesky: add support for tenor gifs

api/src/processing/services/bluesky.js

@@ -71,6 +71,24 @@ const extractImages = ({ getPost, filename, alwaysProxy }) => {
     return { picker };
 }
 
+const extractGif = ({ url, filename }) => {
+    const gifUrl = new URL(url);
+
+    if (!gifUrl || gifUrl.hostname !== "media.tenor.com") {
+        return { error: "fetch.empty" };
+    }
+
+    // remove downscaling params from gif url
+    // such as "?hh=498&ww=498"
+    gifUrl.search = "";
+
+    return {
+        urls: gifUrl,
+        isPhoto: true,
+        filename: `${filename}.gif`,
+    }
+}
+
 export default async function ({ user, post, alwaysProxy, dispatcher }) {
     const apiEndpoint = new URL("https://public.api.bsky.app/xrpc/app.bsky.feed.getPostThread?depth=0&parentHeight=0");
     apiEndpoint.searchParams.set(
@@ -102,22 +120,37 @@ export default async function ({ user, post, alwaysProxy, dispatcher }) {
     const embedType = getPost?.thread?.post?.embed?.$type;
     const filename = `bluesky_${user}_${post}`;
 
-    if (embedType === "app.bsky.embed.video#view") {
+    switch (embedType) {
+        case "app.bsky.embed.video#view":
             return extractVideo({
                 media: getPost.thread?.post?.embed,
                 filename,
-        })
-    }
+            });
 
-    if (embedType === "app.bsky.embed.recordWithMedia#view") {
+        case "app.bsky.embed.images#view":
+            return extractImages({
+                getPost,
+                filename,
+                alwaysProxy
+            });
+
+        case "app.bsky.embed.external#view":
+            return extractGif({
+                url: getPost?.thread?.post?.embed?.external?.uri,
+                filename,
+            });
+
+        case "app.bsky.embed.recordWithMedia#view":
+            if (getPost?.thread?.post?.embed?.media?.$type === "app.bsky.embed.external#view") {
+                return extractGif({
+                    url: getPost?.thread?.post?.embed?.media?.external?.uri,
+                    filename,
+                });
+            }
             return extractVideo({
                 media: getPost.thread?.post?.embed?.media,
                 filename,
-        })
-    }
-
-    if (embedType === "app.bsky.embed.images#view") {
-        return extractImages({ getPost, filename, alwaysProxy });
+            });
     }
 
     return { error: "fetch.empty" };

api/src/util/tests/bsky.json

@@ -57,6 +57,24 @@
             "status": "tunnel"
         }
     },
+    {
+        "name": "gif with a quoted post",
+        "url": "https://bsky.app/profile/imlunahey.com/post/3lgajpn5dtk2t",
+        "params": {},
+        "expected": {
+            "code": 200,
+            "status": "tunnel"
+        }
+    },
+    {
+        "name": "gif alone in a post",
+        "url": "https://bsky.app/profile/imlunahey.com/post/3lgah3ovxnc2q",
+        "params": {},
+        "expected": {
+            "code": 200,
+            "status": "tunnel"
+        }
+    },
     {
         "name": "several images",
         "url": "https://bsky.app/profile/did:plc:rai7s6su2sy22ss7skouedl7/post/3kzxuxbiul626",