fedimbed: set headers if posting

src/modules/fedimbed.js

@@ -118,6 +118,7 @@ async function processUrl(msg, url) {
 
     let redirUrl;
     const options = {};
+    const headers = {};
     if (PATH_REGEX.pleroma2.test(urlObj.pathname)) {
       redirUrl = url.replace("notice", "api/v1/statuses");
     } else if (PATH_REGEX.mastodon.test(urlObj.pathname)) {
@@ -130,6 +131,7 @@ async function processUrl(msg, url) {
       redirUrl = urlObj.origin + "/api/notes/show/";
       options.method = "POST";
       options.body = JSON.stringify({noteId});
+      headers["Content-Type"] = "application/json";
     } else {
       logger.error(
         "fedimbed",
@@ -141,14 +143,11 @@ async function processUrl(msg, url) {
       logger.verbose("fedimbed", `Redirecting "${url}" to "${redirUrl}"`);
       const rawPostData2 = await fetch(
         redirUrl,
-        Object.assign(
-          {
-            headers: {
-              "User-Agent": FRIENDLY_USERAGENT,
-            },
-          },
-          options
-        )
+        Object.assign(options, {
+          headers: Object.assign(headers, {
+            "User-Agent": FRIENDLY_USERAGENT,
+          }),
+        })
       )
         .then((res) => res.text())
         .catch((err) => {
@@ -176,7 +175,9 @@ async function processUrl(msg, url) {
       } else if (postData2.error) {
         logger.error(
           "fedimbed",
-          `Bailing trying to re-embed "${url}", MastoAPI gave us error: ${JSON.stringify(postData2.error)}`
+          `Bailing trying to re-embed "${url}", MastoAPI gave us error: ${JSON.stringify(
+            postData2.error
+          )}`
         );
       } else {
         cw =