security-review
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npx skills add https://smithery.ai
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2
Skill 文档
å®å ¨å®¡æ¥æè½
æ¬æè½ç¡®ä¿ææä»£ç éµå¾ªå®å ¨æä½³å®è·µå¹¶è¯å«æ½å¨æ¼æ´ã
使¶æ¿æ´»
- å®ç°èº«ä»½éªè¯æææ
- å¤çç¨æ·è¾å ¥ææä»¶ä¸ä¼
- å建æ°ç API 端ç¹
- ä½¿ç¨æºå¯ä¿¡æ¯æåæ®
- å®ç°æ¯ä»åè½
- åå¨æä¼ è¾æææ°æ®
- éæç¬¬ä¸æ¹ API
å®å ¨æ¸ å
1. æºå¯ä¿¡æ¯ç®¡ç
â 严ç¦è¿æ ·å
const apiKey = "sk-proj-xxxxx" // 硬ç¼ç çæºå¯ä¿¡æ¯
const dbPassword = "password123" // 卿ºä»£ç ä¸
â å¡å¿ è¿æ ·å
const apiKey = process.env.OPENAI_API_KEY
const dbUrl = process.env.DATABASE_URL
// éªè¯æºå¯ä¿¡æ¯æ¯å¦åå¨
if (!apiKey) {
throw new Error('æªé
ç½® OPENAI_API_KEY')
}
éªè¯æ¥éª¤
- æ 硬ç¼ç ç API å¯é¥ã令çæå¯ç
- æææºå¯ä¿¡æ¯åå¨ç¯å¢åéä¸
-
.env.localå·²å å ¥ .gitignore - git åå²è®°å½ä¸æ æºå¯ä¿¡æ¯
- ç产ç¯å¢æºå¯ä¿¡æ¯å¨æç®¡å¹³å° (Vercel, Railway) ä¸é ç½®
2. è¾å ¥éªè¯
å§ç»éªè¯ç¨æ·è¾å ¥
import { z } from 'zod'
// å®ä¹éªè¯ schema
const CreateUserSchema = z.object({
email: z.string().email(),
name: z.string().min(1).max(100),
age: z.number().int().min(0).max(150)
})
// å¤çåéªè¯
export async function createUser(input: unknown) {
try {
const validated = CreateUserSchema.parse(input)
return await db.users.create(validated)
} catch (error) {
if (error instanceof z.ZodError) {
return { success: false, errors: error.errors }
}
throw error
}
}
æä»¶ä¸ä¼ éªè¯
function validateFileUpload(file: File) {
// 大尿£æ¥ (æå¤§ 5MB)
const maxSize = 5 * 1024 * 1024
if (file.size > maxSize) {
throw new Error('æä»¶è¿å¤§ (æå¤§ 5MB)')
}
// ç±»åæ£æ¥
const allowedTypes = ['image/jpeg', 'image/png', 'image/gif']
if (!allowedTypes.includes(file.type)) {
throw new Error('æ æçæä»¶ç±»å')
}
// æ©å±åæ£æ¥
const allowedExtensions = ['.jpg', '.jpeg', '.png', '.gif']
const extension = file.name.toLowerCase().match(/\.[^.]+$/)?.[0]
if (!extension || !allowedExtensions.includes(extension)) {
throw new Error('æ æçæä»¶æ©å±å')
}
return true
}
éªè¯æ¥éª¤
- ææç¨æ·è¾å ¥åä½¿ç¨ schema éªè¯
- æä»¶ä¸ä¼ åé (大å°, ç±»å, æ©å±å)
- æ¥è¯¢ä¸ä¸ç´æ¥ä½¿ç¨ç¨æ·è¾å ¥
- ç½ååéªè¯ (èéé»åå)
- éè¯¯æ¶æ¯ä¸æ³é²ææä¿¡æ¯
3. 鲿¢ SQL æ³¨å ¥
â ä¸¥ç¦æ¼æ¥ SQL
// å±é© - SQL 注å
¥æ¼æ´
const query = `SELECT * FROM users WHERE email = '${userEmail}'`
await db.query(query)
â å¡å¿ 使ç¨åæ°åæ¥è¯¢
// å®å
¨ - åæ°åæ¥è¯¢
const { data } = await supabase
.from('users')
.select('*')
.eq('email', userEmail)
// æä½¿ç¨åç SQL
await db.query(
'SELECT * FROM users WHERE email = $1',
[userEmail]
)
éªè¯æ¥éª¤
- æææ°æ®åºæ¥è¯¢å使ç¨åæ°åæ¥è¯¢
- SQL 䏿 åç¬¦ä¸²æ¼æ¥
- æ£ç¡®ä½¿ç¨ ORM/æ¥è¯¢æå»ºå¨
- Supabase æ¥è¯¢å·²æ£ç¡®åå
4. 身份éªè¯ä¸ææ
JWT 令çå¤ç
// â é误: localStorage (æå XSS æ»å»)
localStorage.setItem('token', token)
// â
æ£ç¡®: httpOnly cookies
res.setHeader('Set-Cookie',
`token=${token}; HttpOnly; Secure; SameSite=Strict; Max-Age=3600`)
æææ£æ¥
export async function deleteUser(userId: string, requesterId: string) {
// å¡å¿
å
éªè¯ææ
const requester = await db.users.findUnique({
where: { id: requesterId }
})
if (requester.role !== 'admin') {
return NextResponse.json(
{ error: 'æªææ (Unauthorized)' },
{ status: 403 }
)
}
// ç»§ç»å é¤
await db.users.delete({ where: { id: userId } })
}
è¡çº§å®å ¨ (Supabase RLS)
-- 卿æè¡¨ä¸å¯ç¨ RLS
ALTER TABLE users ENABLE ROW LEVEL SECURITY;
-- ç¨æ·åªè½æ¥çèªå·±çæ°æ®
CREATE POLICY "Users view own data"
ON users FOR SELECT
USING (auth.uid() = id);
-- ç¨æ·åªè½æ´æ°èªå·±çæ°æ®
CREATE POLICY "Users update own data"
ON users FOR UPDATE
USING (auth.uid() = id);
éªè¯æ¥éª¤
- 令çåå¨å¨ httpOnly cookies ä¸ (èé localStorage)
- æææä½åè¿è¡æææ£æ¥
- Supabase ä¸å·²å¯ç¨è¡çº§å®å ¨ (RLS)
- å·²å®ç°åºäºè§è²çè®¿é®æ§å¶
- ä¼è¯ç®¡çå®å ¨
5. 鲿¢ XSS
åå HTML
import DOMPurify from 'isomorphic-dompurify'
// å¡å¿
ååç¨æ·æä¾ç HTML
function renderUserContent(html: string) {
const clean = DOMPurify.sanitize(html, {
ALLOWED_TAGS: ['b', 'i', 'em', 'strong', 'p'],
ALLOWED_ATTR: []
})
return <div dangerouslySetInnerHTML={{ __html: clean }} />
}
å 容å®å ¨çç¥ (Content Security Policy)
// next.config.js
const securityHeaders = [
{
key: 'Content-Security-Policy',
value: `
default-src 'self';
script-src 'self' 'unsafe-eval' 'unsafe-inline';
style-src 'self' 'unsafe-inline';
img-src 'self' data: https:;
font-src 'self';
connect-src 'self' https://api.example.com;
`.replace(/\s{2,}/g, ' ').trim()
}
]
éªè¯æ¥éª¤
- ç¨æ·æä¾ç HTML å·²åå
- å·²é ç½® CSP 头
- æ æªç»éªè¯ç卿å 容渲æ
- ä½¿ç¨ React å ç½®ç XSS ä¿æ¤
6. CSRF ä¿æ¤
CSRF 令ç
import { csrf } from '@/lib/csrf'
export async function POST(request: Request) {
const token = request.headers.get('X-CSRF-Token')
if (!csrf.verify(token)) {
return NextResponse.json(
{ error: 'æ æ CSRF 令ç' },
{ status: 403 }
)
}
// å¤ç请æ±
}
SameSite Cookies
res.setHeader('Set-Cookie',
`session=${sessionId}; HttpOnly; Secure; SameSite=Strict`)
éªè¯æ¥éª¤
- ç¶ææ´æ¹æä½ä½¿ç¨ CSRF 令ç
- ææ cookies 设置 SameSite=Strict
- å®ç°åéæäº¤ cookie 模å¼
7. éçéå¶
API éçéå¶
import rateLimit from 'express-rate-limit'
const limiter = rateLimit({
windowMs: 15 * 60 * 1000, // 15 åé
max: 100, // æ¯ä¸ªçªå£ 100 次请æ±
message: '请æ±è¿å¤'
})
// åºç¨å°è·¯ç±
app.use('/api/', limiter)
æè´µæä½
// 对æç´¢è¿è¡æ¿è¿çéçéå¶
const searchLimiter = rateLimit({
windowMs: 60 * 1000, // 1 åé
max: 10, // æ¯åé 10 次请æ±
message: 'æç´¢è¯·æ±è¿å¤'
})
app.use('/api/search', searchLimiter)
éªè¯æ¥éª¤
- ææ API 端ç¹åæéçéå¶
- æè´µæä½ææ´ä¸¥æ ¼çéå¶
- åºäº IP çéçéå¶
- åºäºç¨æ·çéçéå¶ (已认è¯)
8. æææ°æ®æ´é²
æ¥å¿è®°å½
// â é误: è®°å½æææ°æ®
console.log('User login:', { email, password })
console.log('Payment:', { cardNumber, cvv })
// â
æ£ç¡®: éå»æææ°æ®
console.log('User login:', { email, userId })
console.log('Payment:', { last4: card.last4, userId })
éè¯¯æ¶æ¯
// â é误: æ´é²å
é¨ç»è
catch (error) {
return NextResponse.json(
{ error: error.message, stack: error.stack },
{ status: 500 }
)
}
// â
æ£ç¡®: éç¨éè¯¯æ¶æ¯
catch (error) {
console.error('å
é¨é误:', error)
return NextResponse.json(
{ error: 'åçé误ã请éè¯ã' },
{ status: 500 }
)
}
éªè¯æ¥éª¤
- æ¥å¿ä¸æ å¯ç ãä»¤çææºå¯ä¿¡æ¯
- å¯¹ç¨æ·æ¾ç¤ºéç¨çéè¯¯æ¶æ¯
- ä» å¨æå¡å¨æ¥å¿ä¸è®°å½è¯¦ç»é误
- ä¸åç¨æ·æ´é²å æ è·è¸ª
9. åºåé¾å®å ¨ (Solana)
é±å éªè¯
import { verify } from '@solana/web3.js'
async function verifyWalletOwnership(
publicKey: string,
signature: string,
message: string
) {
try {
const isValid = verify(
Buffer.from(message),
Buffer.from(signature, 'base64'),
Buffer.from(publicKey, 'base64')
)
return isValid
} catch (error) {
return false
}
}
交æéªè¯
async function verifyTransaction(transaction: Transaction) {
// éªè¯æ¥æ¶æ¹
if (transaction.to !== expectedRecipient) {
throw new Error('æ ææ¥æ¶æ¹')
}
// éªè¯éé¢
if (transaction.amount > maxAmount) {
throw new Error('éé¢è¶
åºéå¶')
}
// éªè¯ç¨æ·ä½é¢æ¯å¦å
è¶³
const balance = await getBalance(transaction.from)
if (balance < transaction.amount) {
throw new Error('ä½é¢ä¸è¶³')
}
return true
}
éªè¯æ¥éª¤
- éªè¯é±å ç¾å
- éªè¯äº¤æè¯¦æ
- 交æåæ£æ¥ä½é¢
- æ ç²ç¾äº¤æ
10. ä¾èµé¡¹å®å ¨
å®ææ´æ°
# æ£æ¥æ¼æ´
npm audit
# ä¿®å¤å¯èªå¨ä¿®å¤çé®é¢
npm audit fix
# æ´æ°ä¾èµé¡¹
npm update
# æ£æ¥è¿æ¶çå
npm outdated
éæä»¶ (Lock Files)
# å¡å¿
æäº¤éæä»¶
git add package-lock.json
# å¨ CI/CD ä¸ä½¿ç¨ä»¥è·å¾å¯å¤ç°çæå»º
npm ci # æ¿ä»£ npm install
éªè¯æ¥éª¤
- ä¾èµé¡¹å·²æ´æ°
- æ å·²ç¥æ¼æ´ (npm audit clean)
- éæä»¶å·²æäº¤
- GitHub ä¸å·²å¯ç¨ Dependabot
- 宿å®å ¨æ´æ°
å®å ¨æµè¯
èªå¨åå®å ¨æµè¯
// æµè¯èº«ä»½éªè¯
test('requires authentication', async () => {
const response = await fetch('/api/protected')
expect(response.status).toBe(401)
})
// æµè¯ææ
test('requires admin role', async () => {
const response = await fetch('/api/admin', {
headers: { Authorization: `Bearer ${userToken}` }
})
expect(response.status).toBe(403)
})
// æµè¯è¾å
¥éªè¯
test('rejects invalid input', async () => {
const response = await fetch('/api/users', {
method: 'POST',
body: JSON.stringify({ email: 'not-an-email' })
})
expect(response.status).toBe(400)
})
// æµè¯éçéå¶
test('enforces rate limits', async () => {
const requests = Array(101).fill(null).map(() =>
fetch('/api/endpoint')
)
const responses = await Promise.all(requests)
const tooManyRequests = responses.filter(r => r.status === 429)
expect(tooManyRequests.length).toBeGreaterThan(0)
})
é¨ç½²åå®å ¨æ¸ å
å¨ä»»ä½ç产é¨ç½²ä¹åï¼
- æºå¯ä¿¡æ¯: æ 硬ç¼ç æºå¯ä¿¡æ¯ï¼å ¨å¨ç¯å¢åéä¸
- è¾å ¥éªè¯: éªè¯ææç¨æ·è¾å ¥
- SQL æ³¨å ¥: æææ¥è¯¢å·²åæ°å
- XSS: ç¨æ·å 容已åå
- CSRF: å·²å¯ç¨ä¿æ¤
- 身份éªè¯: æ£ç¡®ç令çå¤ç
- ææ: è§è²æ£æ¥å·²å°±ä½
- éçéå¶: 卿æç«¯ç¹ä¸å¯ç¨
- HTTPS: ç产ç¯å¢å¼ºå¶ä½¿ç¨
- å®å ¨å¤´: CSP, X-Frame-Options å·²é ç½®
- é误å¤ç: éè¯¯ä¸æ æææ°æ®
- æ¥å¿è®°å½: ä¸è®°å½æææ°æ®
- ä¾èµé¡¹: ææ°ä¸æ æ¼æ´
- è¡çº§å®å ¨: Supabase ä¸å·²å¯ç¨
- CORS: æ£ç¡®é ç½®
- æä»¶ä¸ä¼ : å·²éªè¯ (大å°, ç±»å)
- é±å ç¾å: å·²éªè¯ (妿æ¯åºåé¾)
èµæº
è®°ä½ï¼å®å ¨ä¸æ¯å¯é项ãä¸ä¸ªæ¼æ´å¯è½å±åæ´ä¸ªå¹³å°ã妿çé®ï¼å®å¯è°¨æ ã