WIP message-delivery-method-web-push

2024-11-27 15:57:11 +02:00
parent 056247a414
commit 1c8019d41a
48 changed files with 464 additions and 128 deletions
@@ -0,0 +1,77 @@
+import webpush from "web-push";
+import { serverSettingsDb } from "./dbs";
+import { ServerSettingsDocument } from "@hereconnect/types";
+
+function isType<N extends ServerSettingsDocument["name"]>(
+  doc: ServerSettingsDocument,
+  name: N,
+): doc is ServerSettingsDocument & { name: N } {
+  return doc.name === name;
+}
+
+export const setupVapidDetails = async () => {
+  const changes = serverSettingsDb.changes({
+    since: "now",
+    live: true,
+    include_docs: true,
+    doc_ids: [
+      "server_settings:message_delivery_method_web_push_vapid",
+      "public_settings:message_delivery_method_web_push_gcm_api_key",
+    ],
+  });
+
+  const {
+    rows: [vapidDetailsRow, gcmApiRow],
+  } = await serverSettingsDb.allDocs({
+    keys: [
+      "server_settings:message_delivery_method_web_push_vapid",
+      "public_settings:message_delivery_method_web_push_gcm_api_key",
+    ],
+    include_docs: true,
+  });
+
+  if (
+    !("doc" in vapidDetailsRow) ||
+    !isType(vapidDetailsRow.doc, "message_delivery_method_web_push_vapid")
+  ) {
+    throw new Error(
+      `VAPID details ${"error" in vapidDetailsRow ? vapidDetailsRow.error : "not exists"}`,
+    );
+  }
+
+  if (
+    "doc" in gcmApiRow &&
+    isType(gcmApiRow.doc, "message_delivery_method_web_push_gcm_api_key")
+  ) {
+    webpush.setGCMAPIKey(gcmApiRow.doc.value);
+  }
+
+  webpush.setVapidDetails(
+    vapidDetailsRow.doc.value.subject,
+    vapidDetailsRow.doc.value.keys.publicKey,
+    vapidDetailsRow.doc.value.keys.privateKey,
+  );
+
+  changes.on("change", (change) => {
+    if (!("doc" in change)) {
+      return;
+    }
+    if (isType(change.doc, "message_delivery_method_web_push_vapid")) {
+      console.log("update vapid details");
+      webpush.setVapidDetails(
+        change.doc.value.subject,
+        change.doc.value.keys.publicKey,
+        change.doc.value.keys.privateKey,
+      );
+      return;
+    }
+
+    if (
+      "doc" in change &&
+      isType(change.doc, "message_delivery_method_web_push_gcm_api_key")
+    ) {
+      console.log("update gcm api key");
+      webpush.setGCMAPIKey(change.doc.value);
+    }
+  });
+};