feat: load all accounts req

web/src/pages/Index/index.tsx

@@ -1,30 +1,14 @@
-import { deriveDeviceKey, getDeviceId } from "@/util/deviceId";
-import { useEffect, useState, type FC } from "react";
+import { useAccountRepo } from "@/repository/account";
+import { useEffect, type FC } from "react";
 
 const IndexPage: FC = () => {
-  const [deviceId, setDeviceId] = useState("");
-  const [deviceKey, setDeviceKey] = useState("");
+  const repo = useAccountRepo();
 
   useEffect(() => {
-    getDeviceId().then((id) => {
-      setDeviceId(id);
-      deriveDeviceKey(id).then((key) => {
-        crypto.subtle.exportKey("raw", key).then((key) => {
-          const enc = new TextDecoder();
-          setDeviceKey(enc.decode(key));
-        });
-      });
-    });
-  }, []);
+    repo.loadAll().then((res) => console.log({ res }));
+  }, [repo]);
 
-  return (
-    <div>
-      <p>Id:</p>
-      <p>{deviceId}</p>
-      <p>Key:</p>
-      <p>{deviceKey}</p>
-    </div>
-  );
+  return <div></div>;
 };
 
 export default IndexPage;

web/src/repository/account.ts

@@ -22,29 +22,59 @@ export interface CreateAccountRequest {
 export const useAccountRepo = () => {
   const { db } = useDbContext();
 
-  const encryptToken = useCallback(async (token: string) => {
-    const encoder = new TextEncoder();
-
-    const iv = crypto.getRandomValues(new Uint8Array(12));
-
+  const getDeviceKey = useCallback(async () => {
     const deviceId = await getDeviceId();
     const deviceKey = await deriveDeviceKey(deviceId);
 
-    const cipherText = await crypto.subtle.encrypt(
-      { name: "AES-GCM", iv },
-      deviceKey,
-      encoder.encode(token)
-    );
-
-    return {
-      data: Array.from(new Uint8Array(cipherText)),
-      iv: Array.from(iv),
-    };
+    return deviceKey;
   }, []);
 
+  const encryptToken = useCallback(
+    async (token: string) => {
+      const encoder = new TextEncoder();
+
+      const iv = crypto.getRandomValues(new Uint8Array(12));
+
+      const deviceKey = await getDeviceKey();
+
+      const cipherText = await crypto.subtle.encrypt(
+        { name: "AES-GCM", iv },
+        deviceKey,
+        encoder.encode(token)
+      );
+
+      return {
+        data: Array.from(new Uint8Array(cipherText)),
+        iv: Array.from(iv),
+      };
+    },
+    [getDeviceKey]
+  );
+
+  const decryptToken = useCallback(
+    async (encrypted: { data: number[]; iv: number[] }) => {
+      const decoder = new TextDecoder();
+
+      const deviceKey = await getDeviceKey();
+
+      const decrypted = await crypto.subtle.decrypt(
+        {
+          name: "AES-GCM",
+          iv: new Uint8Array(encrypted.iv),
+        },
+        deviceKey,
+        new Uint8Array(encrypted.data)
+      );
+
+      return decoder.decode(decrypted);
+    },
+    [getDeviceKey]
+  );
+
   const save = useCallback(
     async (req: CreateAccountRequest) => {
-      console.log({ db });
+      if (!db) throw new Error("No database connection");
+
       const access = await encryptToken(req.access);
       const refresh = await encryptToken(req.refresh);
 
@@ -60,5 +90,34 @@ export const useAccountRepo = () => {
     [db, encryptToken]
   );
 
-  return { save };
+  const loadAll = useCallback(async () => {
+    if (!db) throw new Error("No database connection");
+
+    const tx = db.transaction("accounts", "readonly");
+    const store = tx.objectStore("accounts");
+
+    const accounts: LocalAccount[] = await store.getAll();
+
+    const results = [];
+    for (const account of accounts) {
+      try {
+        const accessToken = await decryptToken(account.access);
+        const refreshToken = await decryptToken(account.refresh);
+        results.push({
+          accountId: account.accountId,
+          label: account.label,
+          email: account.email,
+          access: accessToken,
+          refresh: refreshToken,
+          updatedAt: account.updatedAt,
+        });
+      } catch (err) {
+        console.warn(`Failed to decrypt account ${account.label}:`, err);
+      }
+    }
+
+    return results;
+  }, [db, decryptToken]);
+
+  return { save, loadAll };
 };