Update Bluesky.ts

Added support for Bluesky videos.

src/engines/Bluesky.ts

@@ -4,6 +4,20 @@ function getFullSizeImg(link: string) {
   return link.replace("/feed_thumbnail/", "/feed_fullsize/");
 }
 
+/**
+ * Bluesky serves video via HLS in the player, but the underlying blob is a
+ * single .mp4 retrievable from the AT Protocol sync endpoint:
+ *
+ *   https://bsky.social/xrpc/com.atproto.sync.getBlob?did=<DID>&cid=<CID>
+ *
+ * The DID and CID are URL-encoded in the <video> poster's path:
+ *
+ *   https://video.bsky.app/watch/<DID>/<CID>/thumbnail.jpg
+ *
+ * We reconstruct the blob URL and mark the post as uploadMode="content"
+ * so SzuruChrome fetches it in the browser instead of asking Szurubooru's
+ * server to download it (which would fail on the blob endpoint).
+ */
 export default class Bluesky extends ScrapeEngineBase {
   name = "bluesky";
   features: ScrapeEngineFeature[] = ["content"];
@@ -29,6 +43,52 @@ export default class Bluesky extends ScrapeEngineBase {
       result.tryAddPost(post);
     }
 
+    // Videos
+    const videoEls = Array.from<HTMLVideoElement>(
+      document.querySelectorAll('video[poster^="https://video.bsky.app/watch"]')
+    );
+    for (const v of videoEls) {
+      const poster = v.getAttribute("poster");
+      if (!poster) continue;
+
+      const blobUrl = this.buildBlobUrl(poster);
+      if (!blobUrl) {
+        this.log(`Could not parse poster URL: ${poster}`);
+        continue;
+      }
+
+      const post = new ScrapedPost();
+      post.pageUrl = document.location.href;
+      post.contentUrl = blobUrl;
+      post.contentType = "video";
+      result.tryAddPost(post);
+    }
+
     return result;
   }
+
+  /**
+   * Poster format:
+   *   https://video.bsky.app/watch/<DID-urlencoded>/<CID>/thumbnail.jpg
+   * Returns the AT Protocol blob URL, or undefined if the poster doesn't
+   * match the expected shape.
+   */
+  private buildBlobUrl(poster: string): string | undefined {
+    try {
+      const u = new URL(poster);
+      const parts = u.pathname.split("/").filter((p) => p.length > 0);
+      // Expected: ["watch", "<DID>", "<CID>", "thumbnail.jpg"]
+      if (parts.length < 3 || parts[0] !== "watch") return undefined;
+
+      const did = decodeURIComponent(parts[1]);   // did:plc:...
+      const cid = parts[2];                        // bafkrei...
+
+      return (
+        "https://bsky.social/xrpc/com.atproto.sync.getBlob" +
+        `?did=${encodeURIComponent(did)}&cid=${encodeURIComponent(cid)}`
+      );
+    } catch {
+      return undefined;
+    }
+  }
 }