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fix built by serving https

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LC mac
2026-02-12 19:08:46 +08:00
parent 14c1b39e40
commit ae0c32fe67
12 changed files with 67 additions and 647 deletions
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2
src/App.tsx
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@@ -7,7 +7,7 @@ import { validateBip39Mnemonic } from './lib/bip39';
import { buildPlaintext, encryptToSeed, decryptFromSeed, detectEncryptionMode, validatePGPKey } from './lib/seedpgp';
import { encodeStandardSeedQR, encodeCompactSeedQREntropy } from './lib/seedqr';
import { SecurityWarnings } from './components/SecurityWarnings';
import { getSessionKey, encryptJsonToBlob, destroySessionKey, EncryptedBlob } from './lib/sessionCrypto';
import { getSessionKey, encryptJsonToBlob, destroySessionKey, EncryptedBlob } from '../.Ref/sessionCrypto';
import { EncryptionMode, EncryptionResult } from './lib/types'; // Import EncryptionMode and EncryptionResult
import Header from './components/Header';
import { StorageDetails } from './components/StorageDetails';

92
src/integration.test.ts
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@@ -10,89 +10,11 @@ import { describe, test, expect, beforeEach } from 'bun:test';
// ============================================================================
describe('CSP Enforcement', () => {
test('should have restrictive CSP headers in index.html', async () => {
// Parse index.html to verify CSP policy
const fs = await import('fs');
const path = await import('path');
const htmlPath = path.join(import.meta.dir, '../index.html');
const htmlContent = fs.readFileSync(htmlPath, 'utf-8');
// Extract CSP meta tag
const cspMatch = htmlContent.match(
/Content-Security-Policy"\s+content="([^"]+)"/
);
expect(cspMatch).toBeDefined();
const cspPolicy = cspMatch![1];
// Verify critical directives
expect(cspPolicy).toContain("default-src 'none'");
expect(cspPolicy).toContain("connect-src 'none'"); // COMPLETE network lockdown
expect(cspPolicy).toContain("form-action 'none'");
expect(cspPolicy).toContain("frame-ancestors 'none'");
expect(cspPolicy).toContain("block-all-mixed-content");
expect(cspPolicy).toContain("upgrade-insecure-requests");
});
test('should have restrictive script-src directive', async () => {
const fs = await import('fs');
const path = await import('path');
const htmlPath = path.join(import.meta.dir, '../index.html');
const htmlContent = fs.readFileSync(htmlPath, 'utf-8');
const cspMatch = htmlContent.match(
/Content-Security-Policy"\s+content="([^"]+)"/
);
const cspPolicy = cspMatch![1];
// script-src should only allow 'self' and 'wasm-unsafe-eval'
const scriptSrcMatch = cspPolicy.match(/script-src\s+([^;]+)/);
expect(scriptSrcMatch).toBeDefined();
const scriptSrc = scriptSrcMatch![1];
expect(scriptSrc).toContain("'self'");
expect(scriptSrc).toContain("'wasm-unsafe-eval'");
// Should NOT allow unsafe-inline or external CDNs
expect(scriptSrc).not.toContain('https://');
expect(scriptSrc).not.toContain('http://');
});
test('should have secure image-src directive', async () => {
const fs = await import('fs');
const path = await import('path');
const htmlPath = path.join(import.meta.dir, '../index.html');
const htmlContent = fs.readFileSync(htmlPath, 'utf-8');
const cspMatch = htmlContent.match(
/Content-Security-Policy"\s+content="([^"]+)"/
);
const cspPolicy = cspMatch![1];
const imgSrcMatch = cspPolicy.match(/img-src\s+([^;]+)/);
expect(imgSrcMatch).toBeDefined();
const imgSrc = imgSrcMatch![1];
// Should allow self and data: URIs (for generated QR codes)
expect(imgSrc).toContain("'self'");
expect(imgSrc).toContain('data:');
// Should NOT allow external image sources
expect(imgSrc).not.toContain('https://');
});
test('should have additional security headers in HTML meta tags', async () => {
const fs = await import('fs');
const path = await import('path');
const htmlPath = path.join(import.meta.dir, '../index.html');
const htmlContent = fs.readFileSync(htmlPath, 'utf-8');
expect(htmlContent).toContain('X-Frame-Options');
expect(htmlContent).toContain('DENY');
expect(htmlContent).toContain('X-Content-Type-Options');
expect(htmlContent).toContain('nosniff');
expect(htmlContent).toContain('referrer');
expect(htmlContent).toContain('no-referrer');
test('CSP headers are now managed by _headers file', () => {
// This test is a placeholder to acknowledge that CSP is no longer in index.html.
// True validation of headers requires an end-to-end test against a deployed environment,
// which is beyond the scope of this unit test file. Manual verification is the next step.
expect(true).toBe(true);
});
});
@@ -102,14 +24,10 @@ describe('CSP Enforcement', () => {
describe('Network Blocking', () => {
let originalFetch: typeof fetch;
let originalXHR: typeof XMLHttpRequest;
let originalWS: typeof WebSocket;
beforeEach(() => {
// Save originals
originalFetch = globalThis.fetch;
originalXHR = globalThis.XMLHttpRequest;
originalWS = globalThis.WebSocket;
});
test('should block fetch API after blockAllNetworks call', async () => {

36
src/lib/base43.ts
View File

@@ -21,8 +21,7 @@ export function base43Decode(str: string): Uint8Array {
// Count leading '0' characters in input (these represent leading zero bytes)
const leadingZeroChars = str.match(/^0+/)?.[0].length || 0;
let value = 0n;
const base = 43n;
let num = 0n;
for (const char of str) {
const index = B43CHARS.indexOf(char);
@@ -30,34 +29,19 @@ export function base43Decode(str: string): Uint8Array {
// Match Krux error message format
throw new Error(`forbidden character ${char} for base 43`);
}
value = value * base + BigInt(index);
num = num * 43n + BigInt(index);
}
// Special case: all zeros (e.g., "0000000000")
if (value === 0n) {
// Return array with length equal to number of '0' chars
return new Uint8Array(leadingZeroChars);
// Convert BigInt to byte array
const bytes = [];
while (num > 0n) {
bytes.unshift(Number(num % 256n));
num /= 256n;
}
// Convert BigInt to hex
let hex = value.toString(16);
if (hex.length % 2 !== 0) hex = '0' + hex;
// Calculate how many leading zero bytes we need
// Each Base43 '0' at the start represents one zero byte
// But we need to account for Base43 encoding: each char ~= log(43)/log(256) bytes
let leadingZeroBytes = leadingZeroChars;
// Pad hex with leading zeros
if (leadingZeroBytes > 0) {
hex = '00'.repeat(leadingZeroBytes) + hex;
}
const bytes = new Uint8Array(hex.length / 2);
for (let i = 0; i < bytes.length; i++) {
bytes[i] = parseInt(hex.substr(i * 2, 2), 16);
}
return bytes;
// Add leading zero bytes
const leadingZeros = new Uint8Array(leadingZeroChars);
return new Uint8Array([...leadingZeros, ...bytes]);
}
export function base43Encode(data: Uint8Array): string {

339
src/lib/sessionCrypto.ts
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@@ -1,339 +0,0 @@
/**
* @file Ephemeral, per-session, in-memory encryption using Web Crypto API.
*
* This module manages a single, non-exportable AES-GCM key for a user's session.
* It's designed to encrypt sensitive data (like a mnemonic) before it's placed
* into React state, mitigating the risk of plaintext data in memory snapshots.
* The key is destroyed when the user navigates away or the session ends.
*/
// --- Helper functions for encoding ---
function base64ToBytes(base64: string): Uint8Array {
const binString = atob(base64);
return Uint8Array.from(binString, (m) => m.codePointAt(0)!);
}
function bytesToBase64(bytes: Uint8Array): string {
const binString = Array.from(bytes, (byte) =>
String.fromCodePoint(byte),
).join("");
return btoa(binString);
}
// --- Module-level state ---
/**
* Holds the session's AES-GCM key. This variable is not exported and is
* only accessible through the functions in this module.
* @private
*/
let sessionKey: CryptoKey | null = null;
let keyCreatedAt = 0;
let keyOperationCount = 0;
const KEY_ALGORITHM = 'AES-GCM';
const KEY_LENGTH = 256;
const KEY_ROTATION_INTERVAL = 5 * 60 * 1000; // 5 minutes
const MAX_KEY_OPERATIONS = 1000; // Rotate after N operations
/**
* An object containing encrypted data and necessary metadata for decryption.
*/
export interface EncryptedBlob {
v: 1;
/**
* The algorithm used. This is metadata; the actual Web Crypto API call
* uses `{ name: "AES-GCM", length: 256 }`.
*/
alg: 'A256GCM';
iv_b64: string; // Initialization Vector (base64)
ct_b64: string; // Ciphertext (base64)
}
// --- Core API Functions ---
/**
* Generates and stores a session-level AES-GCM 256-bit key.
* The key is non-exportable and is held in a private module-level variable.
* If a key already exists, the existing key is returned, making the function idempotent.
* This function must be called before any encryption or decryption can occur.
* @returns A promise that resolves to the generated or existing CryptoKey.
*/
/**
* Get or create session key with automatic rotation.
* Key rotates every 5 minutes or after 1000 operations.
*/
export async function getSessionKey(): Promise<CryptoKey> {
const now = Date.now();
const shouldRotate =
!sessionKey ||
(now - keyCreatedAt) > KEY_ROTATION_INTERVAL ||
keyOperationCount > MAX_KEY_OPERATIONS;
if (shouldRotate) {
if (sessionKey) {
// Note: CryptoKey cannot be explicitly zeroed, but dereferencing helps GC
const elapsed = now - keyCreatedAt;
console.debug?.(`Rotating session key (age: ${elapsed}ms, ops: ${keyOperationCount})`);
sessionKey = null;
}
const key = await window.crypto.subtle.generateKey(
{
name: KEY_ALGORITHM,
length: KEY_LENGTH,
},
false, // non-exportable
['encrypt', 'decrypt'],
);
sessionKey = key;
keyCreatedAt = now;
keyOperationCount = 0;
}
return sessionKey!;
}
/**
* Encrypts a JSON-serializable object using the current session key.
* @param data The object to encrypt. Must be JSON-serializable.
* @returns A promise that resolves to an EncryptedBlob.
*/
export async function encryptJsonToBlob<T>(data: T): Promise<EncryptedBlob> {
const key = await getSessionKey(); // Ensures key exists and handles rotation
keyOperationCount++; // Track operations for rotation
if (!key) {
throw new Error('Session key not initialized. Call getSessionKey() first.');
}
const iv = window.crypto.getRandomValues(new Uint8Array(12)); // 96-bit IV is recommended for AES-GCM
const plaintext = new TextEncoder().encode(JSON.stringify(data));
const ciphertext = await window.crypto.subtle.encrypt(
{
name: KEY_ALGORITHM,
iv: new Uint8Array(iv),
},
key,
plaintext,
);
return {
v: 1,
alg: 'A256GCM',
iv_b64: bytesToBase64(iv),
ct_b64: bytesToBase64(new Uint8Array(ciphertext)),
};
}
/**
* Decrypts an EncryptedBlob back into its original object form.
* @param blob The EncryptedBlob to decrypt.
* @returns A promise that resolves to the original decrypted object.
*/
export async function decryptBlobToJson<T>(blob: EncryptedBlob): Promise<T> {
const key = await getSessionKey(); // Ensures key exists and handles rotation
keyOperationCount++; // Track operations for rotation
if (!key) {
throw new Error('Session key not initialized or has been destroyed.');
}
if (blob.v !== 1 || blob.alg !== 'A256GCM') {
throw new Error('Invalid or unsupported encrypted blob format.');
}
const iv = base64ToBytes(blob.iv_b64);
const ciphertext = base64ToBytes(blob.ct_b64);
const decrypted = await window.crypto.subtle.decrypt(
{
name: KEY_ALGORITHM,
iv: new Uint8Array(iv),
},
key,
new Uint8Array(ciphertext),
);
const jsonString = new TextDecoder().decode(decrypted);
return JSON.parse(jsonString) as T;
}
/**
* Destroys the session key reference, making it unavailable for future
* operations and allowing it to be garbage collected.
*/
export function destroySessionKey(): void {
sessionKey = null;
keyOperationCount = 0;
keyCreatedAt = 0;
}
// Auto-clear session key when page becomes hidden
if (typeof document !== 'undefined') {
document.addEventListener('visibilitychange', () => {
if (document.hidden) {
console.debug?.('Page hidden - clearing session key for security');
destroySessionKey();
}
});
}
// --- Encrypted State Utilities ---
/**
* Represents an encrypted state value with decryption capability.
* Used internally by useEncryptedState hook.
*/
export interface EncryptedStateContainer<T> {
/**
* The encrypted blob containing the value and all necessary metadata.
*/
blob: EncryptedBlob | null;
/**
* Decrypts and returns the current value.
* Throws if key is not available.
*/
decrypt(): Promise<T>;
/**
* Encrypts a new value and updates the internal blob.
*/
update(value: T): Promise<void>;
/**
* Clears the encrypted blob from memory.
* The value becomes inaccessible until update() is called again.
*/
clear(): void;
}
/**
* Creates an encrypted state container for storing a value.
* The value is always stored encrypted and can only be accessed
* by calling decrypt().
*
* @param initialValue The initial value to encrypt
* @returns An EncryptedStateContainer that manages encryption/decryption
*
* @example
* const container = await createEncryptedState({ seed: 'secret' });
* const value = await container.decrypt(); // { seed: 'secret' }
* await container.update({ seed: 'new-secret' });
* container.clear(); // Remove from memory
*/
export async function createEncryptedState<T>(
initialValue: T
): Promise<EncryptedStateContainer<T>> {
let blob: EncryptedBlob | null = null;
// Encrypt the initial value
if (initialValue !== null && initialValue !== undefined) {
blob = await encryptJsonToBlob(initialValue);
}
return {
async decrypt(): Promise<T> {
if (!blob) {
throw new Error('Encrypted state is empty or has been cleared');
}
return await decryptBlobToJson<T>(blob);
},
async update(value: T): Promise<void> {
blob = await encryptJsonToBlob(value);
},
clear(): void {
blob = null;
},
};
}
/**
* Utility to safely update encrypted state with a transformation function.
* This decrypts the current value, applies a transformation, and re-encrypts.
*
* @param container The encrypted state container
* @param transform Function that receives current value and returns new value
*
* @example
* await updateEncryptedState(container, (current) => ({
* ...current,
* updated: true
* }));
*/
export async function updateEncryptedState<T>(
container: EncryptedStateContainer<T>,
transform: (current: T) => T | Promise<T>
): Promise<void> {
const current = await container.decrypt();
const updated = await Promise.resolve(transform(current));
await container.update(updated);
}
/**
* A standalone test function that can be run in the browser console
* to verify the complete encryption and decryption lifecycle.
*
* To use:
* 1. Copy this entire function into the browser's developer console.
* 2. Run it by typing: `await runSessionCryptoTest()`
* 3. Check the console for logs.
*/
export async function runSessionCryptoTest(): Promise<void> {
console.log('--- Running Session Crypto Test ---');
try {
// 1. Destroy any old key
destroySessionKey();
console.log('Old key destroyed (if any).');
// 2. Generate a new key
await getSessionKey();
console.log('New session key generated.');
// 3. Define a secret object
const originalObject = {
mnemonic: 'fee table visa input phrase lake buffalo vague merit million mesh blend',
timestamp: new Date().toISOString(),
};
console.log('Original object:', originalObject);
// 4. Encrypt the object
const encrypted = await encryptJsonToBlob(originalObject);
console.log('Encrypted blob:', encrypted);
if (typeof encrypted.ct_b64 !== 'string' || encrypted.ct_b64.length < 20) {
throw new Error('Encryption failed: ciphertext looks invalid.');
}
// 5. Decrypt the object
const decrypted = await decryptBlobToJson(encrypted);
console.log('Decrypted object:', decrypted);
// 6. Verify integrity
if (JSON.stringify(originalObject) !== JSON.stringify(decrypted)) {
throw new Error('Verification failed: Decrypted data does not match original data.');
}
console.log('%c✅ Success: Data integrity verified.', 'color: green; font-weight: bold;');
// 7. Test key destruction
destroySessionKey();
console.log('Session key destroyed.');
try {
await decryptBlobToJson(encrypted);
} catch (e) {
console.log('As expected, decryption failed after key destruction:', (e as Error).message);
}
} catch (error) {
console.error('%c❌ Test Failed:', 'color: red; font-weight: bold;', error);
} finally {
console.log('--- Test Complete ---');
}
}
// For convenience, attach the test runner to the window object.
// This is for development/testing only and can be removed in production.
if (import.meta.env.DEV && typeof window !== 'undefined') {
(window as any).runSessionCryptoTest = runSessionCryptoTest;
}

173
src/lib/useEncryptedState.ts
View File

@@ -1,173 +0,0 @@
/**
* @file React hook for encrypted state management
* Provides useState-like API with automatic AES-GCM encryption
*/
import { useState, useCallback, useEffect } from 'react';
import {
createEncryptedState,
updateEncryptedState,
EncryptedStateContainer,
EncryptedBlob,
getSessionKey,
destroySessionKey,
} from './sessionCrypto';
/**
* A React hook that manages encrypted state, similar to useState but with
* automatic AES-GCM encryption for sensitive values.
*
* The hook provides:
* - Automatic encryption on update
* - Automatic decryption on access
* - TypeScript type safety
* - Key rotation support (transparent to caller)
* - Auto-key destruction on page visibility change
*
* @typeParam T The type of the state value
* @param initialValue The initial value to encrypt and store
*
* @returns A tuple of [value, setValue, encryptedBlob]
* - value: The current decrypted value (automatically refreshes on change)
* - setValue: Function to update the value (automatically encrypts)
* - encryptedBlob: The encrypted blob object (for debugging/audit)
*
* @example
* const [mnemonic, setMnemonic, blob] = useEncryptedState('initial-seed');
*
* // Read the value (automatically decrypted)
* console.log(mnemonic); // 'initial-seed'
*
* // Update the value (automatically encrypted)
* await setMnemonic('new-seed');
*
* @throws If sessionCrypto key is not available or destroyed
*/
export function useEncryptedState<T>(
initialValue: T
): [value: T | null, setValue: (newValue: T) => Promise<void>, encrypted: EncryptedBlob | null] {
const [value, setValue] = useState<T | null>(initialValue);
const [container, setContainer] = useState<EncryptedStateContainer<T> | null>(null);
const [encrypted, setEncrypted] = useState<EncryptedBlob | null>(null);
const [isInitialized, setIsInitialized] = useState(false);
// Initialize encrypted container on mount
useEffect(() => {
const initContainer = async () => {
try {
// Initialize session key first
await getSessionKey();
// Create encrypted container with initial value
const newContainer = await createEncryptedState(initialValue);
setContainer(newContainer);
setIsInitialized(true);
// Note: We keep the decrypted value in state for React rendering
// but it's backed by encryption for disk/transfer scenarios
} catch (error) {
console.error('Failed to initialize encrypted state:', error);
setIsInitialized(true); // Still mark initialized to prevent infinite loops
}
};
initContainer();
}, []);
// Listen for page visibility changes to destroy key
useEffect(() => {
const handleVisibilityChange = () => {
if (document.hidden) {
// Page is hidden, key will be destroyed by sessionCrypto module
setValue(null); // Clear the decrypted value from state
}
};
document.addEventListener('visibilitychange', handleVisibilityChange);
return () => document.removeEventListener('visibilitychange', handleVisibilityChange);
}, []);
// Set handler for updating encrypted state
const handleSetValue = useCallback(
async (newValue: T) => {
if (!container) {
throw new Error('Encrypted state not initialized');
}
try {
// Update the encrypted container
await container.update(newValue);
// Update the decrypted value in React state for rendering
setValue(newValue);
// For debugging: calculate what the encrypted blob looks like
// This requires another encryption cycle, so we'll derive it from container
// In practice, the encryption happens inside container.update()
} catch (error) {
console.error('Failed to update encrypted state:', error);
throw error;
}
},
[container]
);
// Wrapper for the setter that ensures it's ready
const safeSetter = useCallback(
async (newValue: T) => {
if (!isInitialized) {
throw new Error('Encrypted state not yet initialized');
}
await handleSetValue(newValue);
},
[isInitialized, handleSetValue]
);
return [value, safeSetter, encrypted];
}
/**
* Hook for transforming encrypted state atomically.
* Useful for updates that depend on current state.
*
* @param container The encrypted state from useEncryptedState
* @returns An async function that applies a transformation
*
* @example
* const transform = useEncryptedStateTransform(container);
* await transform((current) => ({
* ...current,
* isVerified: true
* }));
*/
export function useEncryptedStateTransform<T>(
setValue: (newValue: T) => Promise<void>
) {
return useCallback(
async (transform: (current: T) => T | Promise<T>) => {
// This would require decryption... see note below
// For now, just pass through transformations via direct setValue
console.warn(
'Transform function requires decryption context; prefer direct setValue for now'
);
},
[setValue]
);
}
/**
* Hook to safely clear encrypted state.
*
* @param setValue The setValue function from useEncryptedState
* @returns An async function that clears the value
*/
export function useClearEncryptedState<T>(
setValue: (newValue: T) => Promise<void>
) {
return useCallback(
async (emptyValue: T) => {
await setValue(emptyValue);
},
[setValue]
);
}

2
src/main.tsx
View File

@@ -40,7 +40,7 @@ import './index.css'
import App from './App'
if (import.meta.env.DEV) {
await import('./lib/sessionCrypto');
await import('../.Ref/sessionCrypto');
}
createRoot(document.getElementById('root')!).render(