cache the passkey JWANT access token for multiple signatures

src/libs/endorserServer.ts

@@ -5,9 +5,10 @@ import * as R from "ramda";
 import { DEFAULT_IMAGE_API_SERVER } from "@/constants/app";
 import { Contact } from "@/db/tables/contacts";
 import { accessToken } from "@/libs/crypto";
-import { NonsensitiveDexie } from "@/db/index";
-import { getAccount } from "@/libs/util";
+import { db, NonsensitiveDexie } from "@/db/index";
+import { getAccount, getPasskeyExpirationSeconds } from "@/libs/util";
 import { createEndorserJwtForKey, KeyMeta } from "@/libs/crypto/vc";
+import { MASTER_SETTINGS_KEY, Settings } from "@/db/tables/settings";
 
 export const SCHEMA_ORG_CONTEXT = "https://schema.org";
 // the object in RegisterAction claims
@@ -447,12 +448,57 @@ export function didInfo(
   return didInfoForContact(did, activeDid, contact, allMyDids).displayName;
 }
 
+let passkeyAccessToken: string = "";
+let passkeyTokenExpirationEpochSeconds: number = 0;
+
+export function clearPasskeyToken() {
+  passkeyAccessToken = "";
+  passkeyTokenExpirationEpochSeconds = 0;
+}
+
+export function tokenExpiryTimeDescription() {
+  if (
+    !passkeyAccessToken ||
+    passkeyTokenExpirationEpochSeconds < new Date().getTime() / 1000
+  ) {
+    return "Token has expired";
+  } else {
+    return (
+      "Token expires at " +
+      new Date(passkeyTokenExpirationEpochSeconds * 1000).toLocaleString()
+    );
+  }
+}
+
+/**
+ * Get the headers for a request, potentially including Authorization
+ */
 export async function getHeaders(did?: string) {
   const headers: { "Content-Type": string; Authorization?: string } = {
     "Content-Type": "application/json",
   };
   if (did) {
-    const token = await accessToken(did);
+    let token;
+    const account = await getAccount(did);
+    if (account?.passkeyCredIdHex) {
+      if (
+        passkeyAccessToken &&
+        passkeyTokenExpirationEpochSeconds > Date.now() / 1000
+      ) {
+        // there's an active current passkey token
+        token = passkeyAccessToken;
+      } else {
+        // there's no current passkey token or it's expired
+        token = await accessToken(did);
+
+        passkeyAccessToken = token;
+        const passkeyExpirationSeconds = await getPasskeyExpirationSeconds();
+        passkeyTokenExpirationEpochSeconds =
+          Date.now() / 1000 + passkeyExpirationSeconds;
+      }
+    } else {
+      token = await accessToken(did);
+    }
     headers["Authorization"] = "Bearer " + token;
   } else {
     // it's often OK to request without auth; we assume necessary checks are done earlier