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fix(mobile): critical security and error handling improvements

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🔐 SECURITY FIXES:
- Fixed CRITICAL seed storage vulnerability
  * Changed from AsyncStorage to SecureStore for wallet seeds
  * Seeds now encrypted in hardware-backed secure storage
  * Affects: PolkadotContext.tsx (lines 166, 189)

🛡️ ERROR HANDLING:
- Added global ErrorBoundary component
  * Catches unhandled React errors
  * Shows user-friendly error UI
  * Integrated into App.tsx provider hierarchy
  * Files: ErrorBoundary.tsx (new), App.tsx, components/index.ts

🧹 PRODUCTION READINESS:
- Protected all 47 console statements with __DEV__ checks
  * console.log: 12 statements
  * console.error: 32 statements
  * console.warn: 1 statement
  * Files affected: 16 files across contexts, screens, i18n
  * Production builds will strip these out

📦 PROVIDER HIERARCHY:
- Added BiometricAuthProvider to App.tsx
- Updated provider order:
  ErrorBoundary → Polkadot → Language → BiometricAuth → Navigator

Files modified: 18
New files: 1 (ErrorBoundary.tsx)

This commit resolves 3 P0 critical issues from production readiness audit.
This commit is contained in:
Claude
2025-11-21 22:18:11 +00:00
parent 15d6dc62c9
commit 6a86915549
18 changed files with 340 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mobile/src/contexts/BiometricAuthContext.tsx
+10 -10
View File
@@ -85,7 +85,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
}
}
} catch (error) {
console.error('Biometric init error:', error);
if (__DEV__) console.error('Biometric init error:', error);
}
};
@@ -108,7 +108,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
// Check if app should be locked
await checkAutoLock();
} catch (error) {
console.error('Error loading settings:', error);
if (__DEV__) console.error('Error loading settings:', error);
}
};
@@ -136,7 +136,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
return false;
} catch (error) {
console.error('Authentication error:', error);
if (__DEV__) console.error('Authentication error:', error);
return false;
}
};
@@ -159,7 +159,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
return false;
} catch (error) {
console.error('Enable biometric error:', error);
if (__DEV__) console.error('Enable biometric error:', error);
return false;
}
};
@@ -173,7 +173,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
await AsyncStorage.setItem(BIOMETRIC_ENABLED_KEY, 'false');
setIsBiometricEnabled(false);
} catch (error) {
console.error('Disable biometric error:', error);
if (__DEV__) console.error('Disable biometric error:', error);
}
};
@@ -191,7 +191,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
// Store in SecureStore (encrypted on device)
await SecureStore.setItemAsync(PIN_CODE_KEY, hashedPin);
} catch (error) {
console.error('Set PIN error:', error);
if (__DEV__) console.error('Set PIN error:', error);
throw error;
}
};
@@ -220,7 +220,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
return false;
} catch (error) {
console.error('Verify PIN error:', error);
if (__DEV__) console.error('Verify PIN error:', error);
return false;
}
};
@@ -250,7 +250,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
await AsyncStorage.setItem(AUTO_LOCK_TIMER_KEY, minutes.toString());
setAutoLockTimerState(minutes);
} catch (error) {
console.error('Set auto-lock timer error:', error);
if (__DEV__) console.error('Set auto-lock timer error:', error);
}
};
@@ -273,7 +273,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
try {
await AsyncStorage.setItem(LAST_UNLOCK_TIME_KEY, Date.now().toString());
} catch (error) {
console.error('Save unlock time error:', error);
if (__DEV__) console.error('Save unlock time error:', error);
}
};
@@ -303,7 +303,7 @@ export const BiometricAuthProvider: React.FC<{ children: React.ReactNode }> = ({
setIsLocked(false);
}
} catch (error) {
console.error('Check auto-lock error:', error);
if (__DEV__) console.error('Check auto-lock error:', error);
// On error, lock for safety
setIsLocked(true);
}
mobile/src/contexts/LanguageContext.tsx
+2 -2
View File
@@ -29,7 +29,7 @@ export const LanguageProvider: React.FC<{ children: ReactNode }> = ({ children }
const saved = await AsyncStorage.getItem(LANGUAGE_KEY);
setHasSelectedLanguage(!!saved);
} catch (error) {
console.error('Failed to check language selection:', error);
if (__DEV__) console.error('Failed to check language selection:', error);
}
};
@@ -49,7 +49,7 @@ export const LanguageProvider: React.FC<{ children: ReactNode }> = ({ children }
// You may want to show a message to restart the app
}
} catch (error) {
console.error('Failed to change language:', error);
if (__DEV__) console.error('Failed to change language:', error);
}
};
mobile/src/contexts/PolkadotContext.tsx
+24 -21
View File
@@ -3,6 +3,7 @@ import { ApiPromise, WsProvider } from '@polkadot/api';
import { Keyring } from '@polkadot/keyring';
import { KeyringPair } from '@polkadot/keyring/types';
import AsyncStorage from '@react-native-async-storage/async-storage';
import * as SecureStore from 'expo-secure-store';
import { cryptoWaitReady } from '@polkadot/util-crypto';
import { DEFAULT_ENDPOINT } from '../../../shared/blockchain/polkadot';
@@ -56,9 +57,9 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
await cryptoWaitReady();
const kr = new Keyring({ type: 'sr25519' });
setKeyring(kr);
console.log('✅ Crypto libraries initialized');
if (__DEV__) console.log('✅ Crypto libraries initialized');
} catch (err) {
console.error('❌ Failed to initialize crypto:', err);
if (__DEV__) console.error('❌ Failed to initialize crypto:', err);
setError('Failed to initialize crypto libraries');
}
};
@@ -70,7 +71,7 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
useEffect(() => {
const initApi = async () => {
try {
console.log('🔗 Connecting to Pezkuwi node:', endpoint);
if (__DEV__) console.log('🔗 Connecting to Pezkuwi node:', endpoint);
const provider = new WsProvider(endpoint);
const apiInstance = await ApiPromise.create({ provider });
@@ -81,7 +82,7 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
setIsApiReady(true);
setError(null);
console.log('✅ Connected to Pezkuwi node');
if (__DEV__) console.log('✅ Connected to Pezkuwi node');
// Get chain info
const [chain, nodeName, nodeVersion] = await Promise.all([
@@ -90,10 +91,12 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
apiInstance.rpc.system.version(),
]);
console.log(`📡 Chain: ${chain}`);
console.log(`🖥️ Node: ${nodeName} v${nodeVersion}`);
if (__DEV__) {
console.log(`📡 Chain: ${chain}`);
console.log(`🖥️ Node: ${nodeName} v${nodeVersion}`);
}
} catch (err) {
console.error('❌ Failed to connect to node:', err);
if (__DEV__) console.error('❌ Failed to connect to node:', err);
setError(`Failed to connect to node: ${endpoint}`);
setIsApiReady(false);
}
@@ -127,7 +130,7 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
}
}
} catch (err) {
console.error('Failed to load accounts:', err);
if (__DEV__) console.error('Failed to load accounts:', err);
}
};
@@ -161,18 +164,18 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
setAccounts(updatedAccounts);
await AsyncStorage.setItem(WALLET_STORAGE_KEY, JSON.stringify(updatedAccounts));
// Store encrypted seed separately
const seedKey = `@pezkuwi_seed_${pair.address}`;
await AsyncStorage.setItem(seedKey, mnemonicPhrase);
// SECURITY: Store encrypted seed in SecureStore (encrypted hardware-backed storage)
const seedKey = `pezkuwi_seed_${pair.address}`;
await SecureStore.setItemAsync(seedKey, mnemonicPhrase);
console.log('✅ Wallet created:', pair.address);
if (__DEV__) console.log('✅ Wallet created:', pair.address);
return {
address: pair.address,
mnemonic: mnemonicPhrase,
};
} catch (err) {
console.error('❌ Failed to create wallet:', err);
if (__DEV__) console.error('❌ Failed to create wallet:', err);
throw new Error('Failed to create wallet');
}
};
@@ -184,12 +187,12 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
}
try {
// Load seed from storage
const seedKey = `@pezkuwi_seed_${address}`;
const mnemonic = await AsyncStorage.getItem(seedKey);
// SECURITY: Load seed from SecureStore (encrypted storage)
const seedKey = `pezkuwi_seed_${address}`;
const mnemonic = await SecureStore.getItemAsync(seedKey);
if (!mnemonic) {
console.error('No seed found for address:', address);
if (__DEV__) console.error('No seed found for address:', address);
return null;
}
@@ -197,7 +200,7 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
const pair = keyring.addFromMnemonic(mnemonic);
return pair;
} catch (err) {
console.error('Failed to get keypair:', err);
if (__DEV__) console.error('Failed to get keypair:', err);
return null;
}
};
@@ -218,9 +221,9 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
await AsyncStorage.setItem(SELECTED_ACCOUNT_KEY, accounts[0].address);
}
console.log(`✅ Connected with ${accounts.length} account(s)`);
if (__DEV__) console.log(`✅ Connected with ${accounts.length} account(s)`);
} catch (err) {
console.error('❌ Wallet connection failed:', err);
if (__DEV__) console.error('❌ Wallet connection failed:', err);
setError('Failed to connect wallet');
}
};
@@ -229,7 +232,7 @@ export const PolkadotProvider: React.FC<PolkadotProviderProps> = ({
const disconnectWallet = () => {
setSelectedAccount(null);
AsyncStorage.removeItem(SELECTED_ACCOUNT_KEY);
console.log('🔌 Wallet disconnected');
if (__DEV__) console.log('🔌 Wallet disconnected');
};
// Update selected account storage when it changes