fedimbed: mastoapi error handling

src/modules/fedimbed.js

@@ -129,12 +129,15 @@ async function processUrl(msg, url) {
     }
 
     if (redirUrl) {
-      const postData2 = await fetch(url.replace("notice", "api/v1/statuses"), {
+      const rawPostData2 = await fetch(
+        url.replace("notice", "api/v1/statuses"),
+        {
           headers: {
             "User-Agent": FRIENDLY_USERAGENT,
           },
-      })
+        }
-        .then((res) => res.json())
+      )
+        .then((res) => res.text())
         .catch((err) => {
           logger.error(
             "fedimbed",
@@ -142,6 +145,13 @@ async function processUrl(msg, url) {
           );
         });
 
+      let postData2;
+      if (rawPostData2.startsWith("{")) {
+        postData2 = JSON.parse(rawPostData2);
+      } else {
+        logger.warn("fedimbed", `Got non-JSON for "${url}" as MastoAPI: ${rawPostData2}`);
+      }
+
       if (!postData2) {
         logger.warn(
           "fedimbed",