1 files changed, 48 insertions, 0 deletions
diff --git a/comm/mailnews/base/content/newsError.js b/comm/mailnews/base/content/newsError.js
new file mode 100644
index 0000000000..693083a166
--- /dev/null
+++ b/comm/mailnews/base/content/newsError.js
@@ -0,0 +1,48 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Error url must be formatted like this:
+//   about:newserror?r=response&m=messageid&k=messagekey&f=folderuri
+// "r" is required; "m" and "f" are optional, but "k" always comes with "m".
+
+var folderUri;
+
+function initPage() {
+  let uri = document.documentURI;
+  let query = uri.slice(uri.indexOf("?") + 1);
+  let params = {};
+  for (let piece of query.split("&")) {
+    let [key, value] = piece.split("=");
+    params[key] = decodeURIComponent(value);
+  }
+
+  document.getElementById("ngResp").textContent = params.r;
+
+  if ("m" in params) {
+    document.getElementById("msgId").textContent = params.m;
+    document.getElementById("msgKey").textContent = params.k;
+  } else {
+    document.getElementById("messageIdDesc").hidden = true;
+  }
+
+  if ("f" in params) {
+    folderUri = params.f;
+  } else {
+    document.getElementById("errorTryAgain").hidden = true;
+  }
+}
+
+function removeExpired() {
+  document.location.href = folderUri + "?list-ids";
+}
+
+let errorTryAgain = document.getElementById("errorTryAgain");
+errorTryAgain.addEventListener("click", function () {
+  removeExpired();
+});
+
+// This must be called in this way,
+// see mozilla-central/docshell/resources/content/netError.js after which
+// this is modelled.
+initPage();