feat: extend crypto-locker plugin to support automatic AES encryption for static assets via new useCryptoAsset hook

This commit is contained in:
Vitalii Litvinchuk
2026-06-10 20:11:39 +03:00
parent 5628720785
commit d83b82a5c6
2 changed files with 78 additions and 14 deletions
+8
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@@ -0,0 +1,8 @@
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" width="200" height="200">
<!-- Removed the solid background rect so the SVG is transparent -->
<rect x="60" y="90" width="80" height="60" fill="#cbd5e0" rx="10"/>
<path d="M70 90 V70 A30 30 0 0 1 130 70 V90" fill="none" stroke="#cbd5e0" stroke-width="15" stroke-linecap="round"/>
<circle cx="100" cy="120" r="10" fill="#4a5568"/>
<path d="M97 120 L95 135 H105 L103 120" fill="#4a5568"/>
<text x="100" y="180" font-family="sans-serif" font-size="14" fill="#a0aec0" text-anchor="middle">TOP SECRET</text>
</svg>

After

Width:  |  Height:  |  Size: 584 B

+70 -14
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@@ -1,30 +1,86 @@
import React, { useState } from "react";
import { useCryptoLocker } from "vite-plugin-component-locker";
import React, { useState, useEffect } from "react";
import { useCryptoLocker, useCryptoAsset } from "vite-plugin-component-locker";
import "./App.css";
// The decrypted data will be a React component type
type SecretComponentType = React.ComponentType;
export default function App() {
const { unlock, status, decryptedData: SecretComponent, error } = useCryptoLocker<SecretComponentType>();
const { unlock: unlockComponent, status: compStatus, decryptedData: SecretComponent, error: compError } = useCryptoLocker<SecretComponentType>();
const { unlock: unlockAsset, status: assetStatus, decryptedUrl: secretImageUrl, error: assetError } = useCryptoAsset();
const [password, setPassword] = useState("");
const [isInitializing, setIsInitializing] = useState(true);
// Auto-unlock if password is in sessionStorage
useEffect(() => {
const savedPassword = sessionStorage.getItem("locker_password");
if (savedPassword) {
setPassword(savedPassword);
handleUnlock(savedPassword);
} else {
setIsInitializing(false);
}
}, []);
const handleUnlock = async (pwd: string) => {
try {
// Unlock both component and asset simultaneously
await Promise.all([
unlockComponent(() => import("./secret-content.secret"), pwd),
unlockAsset("/secret-image.secret.svg", pwd)
]);
// Save password to session storage so it survives page reloads
sessionStorage.setItem("locker_password", pwd);
} catch {
// Errors are already caught and managed by the hooks
sessionStorage.removeItem("locker_password");
} finally {
setIsInitializing(false);
}
};
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
if (!password.trim()) return;
try {
await unlock(() => import("./secret-content.secret"), password);
} catch {
// The error is already caught and managed by useCryptoLocker's state.
}
await handleUnlock(password);
};
const handleLock = () => {
sessionStorage.removeItem("locker_password");
window.location.reload(); // Quick way to reset all states
};
if (isInitializing) {
return <div className="app">Loading session...</div>;
}
const isUnlocked = compStatus === "success" && assetStatus === "success";
const error = compError || assetError;
const isLoading = compStatus === "loading" || assetStatus === "loading";
return (
<div className="app">
<div className="app__container">
{status === "success" && SecretComponent ? (
<SecretComponent />
{isUnlocked && SecretComponent ? (
<div style={{ display: "flex", flexDirection: "column", gap: "1rem", alignItems: "center" }}>
<SecretComponent />
{secretImageUrl && (
<div style={{ marginTop: "1rem", padding: "1rem", border: "1px dashed #ccc", borderRadius: "8px" }}>
<p style={{ marginBottom: "0.5rem", color: "#555" }}>Decrypted Static Asset:</p>
<img src={secretImageUrl} alt="Secret" style={{ display: "block", maxWidth: "200px" }} />
<a href={secretImageUrl} download="secret.svg" style={{ display: "block", marginTop: "0.5rem", color: "#0066cc" }}>
Download Image
</a>
</div>
)}
<button onClick={handleLock} style={{ marginTop: "2rem", padding: "0.5rem 1rem", background: "#eee", border: "1px solid #ccc", cursor: "pointer" }}>
Lock Again
</button>
</div>
) : (
<form onSubmit={handleSubmit} style={{ display: "flex", flexDirection: "column", gap: "1rem", maxWidth: "300px", margin: "0 auto" }}>
<h2>Enter Password</h2>
@@ -34,7 +90,7 @@ export default function App() {
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="Enter password…"
disabled={status === "loading"}
disabled={isLoading}
style={{ padding: "0.5rem", fontSize: "1rem" }}
/>
@@ -42,10 +98,10 @@ export default function App() {
<button
type="submit"
disabled={status === "loading" || !password.trim()}
disabled={isLoading || !password.trim()}
style={{ padding: "0.5rem 1rem", fontSize: "1rem", cursor: "pointer" }}
>
{status === "loading" ? "Loading…" : "Unlock"}
{isLoading ? "Loading…" : "Unlock"}
</button>
</form>
)}