xaman123/fastapi-postgresql-code-audit-pro
0
1<!DOCTYPE html>2<html lang="en">3<head>4 <meta charset="UTF-8">5 <meta name="viewport" content="width=device-width, initial-scale=1.0">6 <title>FastAPI PostgreSQL Code Audit</title>7 <script src="https://cdn.tailwindcss.com"></script>8 <script src="https://unpkg.com/feather-icons"></script>9 <style>10 .audit-category {11 transition: all 0.3s ease;12 }13 .audit-category:hover {14 transform: translateY(-5px);15 box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);16 }17 .severity-critical {18 border-left: 4px solid #ef4444;19 }20 .severity-high {21 border-left: 4px solid #f97316;22 }23 .severity-medium {24 border-left: 4px solid #eab308;25 }26 .severity-low {27 border-left: 4px solid #22c55e;28 }29 </style>30</head>31<body class="bg-gray-50">32 <div class="min-h-screen">33 <!-- Header -->34 <header class="bg-white shadow-sm">35 <div class="max-w-7xl mx-auto py-6 px-4 sm:px-6 lg:px-8">36 <div class="flex justify-between items-center">37 <h1 class="text-3xl font-bold text-gray-900">38 <i data-feather="shield" class="inline mr-2 text-blue-500"></i>39 FastAPI PostgreSQL Code Audit40 </h1>41 <div class="flex items-center space-x-4">42 <span class="px-3 py-1 rounded-full text-sm font-medium bg-blue-100 text-blue-800">43 Expert Review44 </span>45 </div>46 </div>47 </div>48 </header>49 50 <!-- Main Content -->51 <main class="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">52 <!-- Overview Section -->53 <section class="mb-12 bg-white p-6 rounded-lg shadow">54 <div class="mb-6">55 <h2 class="text-2xl font-semibold text-gray-800 mb-4">Code Review Overview</h2>56 <p class="text-gray-600">57 This comprehensive audit evaluates a FastAPI application with PostgreSQL backend against industry best practices for production-grade systems.58 The review covers 8 critical dimensions with severity-rated findings and actionable recommendations.59 </p>60 </div>61 62 <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">63 <div class="audit-category bg-white p-6 rounded-lg border border-gray-200">64 <div class="flex items-center mb-4">65 <div class="p-3 rounded-full bg-blue-100 text-blue-600">66 <i data-feather="layers"></i>67 </div>68 <h3 class="ml-3 text-lg font-medium">Code Structure</h3>69 </div>70 <p class="text-gray-600 text-sm">71 Modularity, dependency injection, and logical organization of components.72 </p>73 </div>74 75 <div class="audit-category bg-white p-6 rounded-lg border border-gray-200">76 <div class="flex items-center mb-4">77 <div class="p-3 rounded-full bg-green-100 text-green-600">78 <i data-feather="database"></i>79 </div>80 <h3 class="ml-3 text-lg font-medium">Database Layer</h3>81 </div>82 <p class="text-gray-600 text-sm">83 Connection management, async operations, query optimization, and migrations.84 </p>85 </div>86 87 <div class="audit-category bg-white p-6 rounded-lg border border-gray-200">88 <div class="flex items-center mb-4">89 <div class="p-3 rounded-full bg-purple-100 text-purple-600">90 <i data-feather="lock"></i>91 </div>92 <h3 class="ml-3 text-lg font-medium">API Security</h3>93 </div>94 <p class="text-gray-600 text-sm">95 Authentication, validation, CORS, rate limiting, and HTTPS enforcement.96 </p>97 </div>98 99 <div class="audit-category bg-white p-6 rounded-lg border border-gray-200">100 <div class="flex items-center mb-4">101 <div class="p-3 rounded-full bg-yellow-100 text-yellow-600">102 <i data-feather="alert-triangle"></i>103 </div>104 <h3 class="ml-3 text-lg font-medium">Error Handling</h3>105 </div>106 <p class="text-gray-600 text-sm">107 Comprehensive error management, logging, and status codes.108 </p>109 </div>110 </div>111 </section>112 113 <!-- Detailed Findings -->114 <section class="mb-12">115 <h2 class="text-2xl font-semibold text-gray-800 mb-6">Detailed Audit Findings</h2>116 117 <!-- Code Structure -->118 <div class="mb-8">119 <h3 class="text-xl font-medium text-gray-700 mb-4 flex items-center">120 <i data-feather="layers" class="mr-2"></i> Code Structure & Organization121 </h3>122 123 <div class="bg-white shadow overflow-hidden sm:rounded-lg mb-4">124 <div class="severity-high px-4 py-5 sm:px-6 flex items-start">125 <div class="flex-shrink-0 mt-1">126 <div class="h-6 w-6 rounded-full bg-orange-500 flex items-center justify-center text-white">127 <i data-feather="alert-circle" class="h-4 w-4"></i>128 </div>129 </div>130 <div class="ml-3">131 <h4 class="text-lg leading-6 font-medium text-gray-900">132 High: Monolithic Structure Detected133 </h4>134 <div class="mt-2 text-sm text-gray-600">135 <p>The application lacks proper modularization with all routes in a single file. Consider implementing FastAPI routers:</p>136 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">137# Recommended structure:138app/139├── api/140│ ├── v1/141│ │ ├── endpoints/142│ │ │ ├── users.py143│ │ │ ├── items.py144│ │ ├── __init__.py145│ ├── __init__.py146├── models/147├── schemas/148├── services/149 </pre>150 </div>151 </div>152 </div>153 </div>154 155 <div class="bg-white shadow overflow-hidden sm:rounded-lg">156 <div class="severity-medium px-4 py-5 sm:px-6 flex items-start">157 <div class="flex-shrink-0 mt-1">158 <div class="h-6 w-6 rounded-full bg-yellow-500 flex items-center justify-center text-white">159 <i data-feather="alert-circle" class="h-4 w-4"></i>160 </div>161 </div>162 <div class="ml-3">163 <h4 class="text-lg leading-6 font-medium text-gray-900">164 Medium: Inconsistent Dependency Injection165 </h4>166 <div class="mt-2 text-sm text-gray-600">167 <p>Mix of direct instantiation and dependency injection found. Standardize on FastAPI's Depends():</p>168 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">169# Instead of:170def get_db():171 return SessionLocal()172 173# Use:174async def get_db() -> AsyncSession:175 async with AsyncSessionLocal() as session:176 yield session177 178# Then in routes:179@app.get("/items/")180async def read_items(db: AsyncSession = Depends(get_db)):181 ...182 </pre>183 </div>184 </div>185 </div>186 </div>187 </div>188 189 <!-- Database Layer -->190 <div class="mb-8">191 <h3 class="text-xl font-medium text-gray-700 mb-4 flex items-center">192 <i data-feather="database" class="mr-2"></i> Database Layer Best Practices193 </h3>194 195 <div class="bg-white shadow overflow-hidden sm:rounded-lg mb-4">196 <div class="severity-critical px-4 py-5 sm:px-6 flex items-start">197 <div class="flex-shrink-0 mt-1">198 <div class="h-6 w-6 rounded-full bg-red-500 flex items-center justify-center text-white">199 <i data-feather="alert-circle" class="h-4 w-4"></i>200 </div>201 </div>202 <div class="ml-3">203 <h4 class="text-lg leading-6 font-medium text-gray-900">204 Critical: Connection Leak Risk205 </h4>206 <div class="mt-2 text-sm text-gray-600">207 <p>Database connections are not properly managed in async context. Implement connection pooling with asyncpg:</p>208 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">209# Recommended approach:210from asyncpg import create_pool211 212async def get_db_pool():213 return await create_pool(214 user="user",215 password="password",216 database="dbname",217 host="localhost",218 min_size=5,219 max_size=20220 )221 222# In FastAPI startup:223@app.on_event("startup")224async def startup():225 app.state.db_pool = await get_db_pool()226 227@app.on_event("shutdown")228async def shutdown():229 await app.state.db_pool.close()230 </pre>231 </div>232 </div>233 </div>234 </div>235 236 <div class="bg-white shadow overflow-hidden sm:rounded-lg">237 <div class="severity-medium px-4 py-5 sm:px-6 flex items-start">238 <div class="flex-shrink-0 mt-1">239 <div class="h-6 w-6 rounded-full bg-yellow-500 flex items-center justify-center text-white">240 <i data-feather="alert-circle" class="h-4 w-4"></i>241 </div>242 </div>243 <div class="ml-3">244 <h4 class="text-lg leading-6 font-medium text-gray-900">245 Medium: Missing Indexes on Frequent Queries246 </h4>247 <div class="mt-2 text-sm text-gray-600">248 <p>Common query patterns lack proper indexing. Analyze slow queries and add appropriate indexes:</p>249 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">250-- Example for user queries:251CREATE INDEX idx_users_email ON users(email);252CREATE INDEX idx_users_created_at ON users(created_at);253 254-- Composite index for common filters:255CREATE INDEX idx_items_status_category ON items(status, category);256 </pre>257 </div>258 </div>259 </div>260 </div>261 </div>262 263 <!-- API Security -->264 <div class="mb-8">265 <h3 class="text-xl font-medium text-gray-700 mb-4 flex items-center">266 <i data-feather="lock" class="mr-2"></i> API Design & Security267 </h3>268 269 <div class="bg-white shadow overflow-hidden sm:rounded-lg mb-4">270 <div class="severity-high px-4 py-5 sm:px-6 flex items-start">271 <div class="flex-shrink-0 mt-1">272 <div class="h-6 w-6 rounded-full bg-orange-500 flex items-center justify-center text-white">273 <i data-feather="alert-circle" class="h-4 w-4"></i>274 </div>275 </div>276 <div class="ml-3">277 <h4 class="text-lg leading-6 font-medium text-gray-900">278 High: Insecure Authentication Implementation279 </h4>280 <div class="mt-2 text-sm text-gray-600">281 <p>Basic auth found in production. Implement OAuth2 with JWT tokens:</p>282 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">283# Recommended security setup:284from fastapi.security import OAuth2PasswordBearer285 286oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")287 288async def get_current_user(289 token: str = Depends(oauth2_scheme),290 db: Session = Depends(get_db)291):292 credentials_exception = HTTPException(293 status_code=401,294 detail="Invalid credentials"295 )296 try:297 payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])298 username: str = payload.get("sub")299 if username is None:300 raise credentials_exception301 except JWTError:302 raise credentials_exception303 304 user = db.get_user(username)305 if user is None:306 raise credentials_exception307 return user308 </pre>309 </div>310 </div>311 </div>312 </div>313 314 <div class="bg-white shadow overflow-hidden sm:rounded-lg">315 <div class="severity-medium px-4 py-5 sm:px-6 flex items-start">316 <div class="flex-shrink-0 mt-1">317 <div class="h-6 w-6 rounded-full bg-yellow-500 flex items-center justify-center text-white">318 <i data-feather="alert-circle" class="h-4 w-4"></i>319 </div>320 </div>321 <div class="ml-3">322 <h4 class="text-lg leading-6 font-medium text-gray-900">323 Medium: Missing Rate Limiting324 </h4>325 <div class="mt-2 text-sm text-gray-600">326 <p>API endpoints lack protection against brute force attacks. Implement rate limiting:</p>327 <pre class="mt-2 bg-gray-100 p-3 rounded text-sm overflow-x-auto">328# Using slowapi for rate limiting:329from slowapi import Limiter330from slowapi.util import get_remote_address331 332limiter = Limiter(key_func=get_remote_address)333app.state.limiter = limiter334 335@app.post("/login")336@limiter.limit("5/minute")337async def login(request: Request, user_data: UserLogin):338 ...339 </pre>340 </div>341 </div>342 </div>343 </div>344 </div>345 346 <!-- Additional sections would follow the same pattern -->347 <div class="text-center mt-8">348 <button class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500">349 <i data-feather="download" class="mr-2"></i>350 Download Full Audit Report351 </button>352 </div>353 </section>354 </main>355 356 <!-- Footer -->357 <footer class="bg-white border-t border-gray-200">358 <div class="max-w-7xl mx-auto py-6 px-4 sm:px-6 lg:px-8">359 <div class="flex flex-col md:flex-row justify-between items-center">360 <div class="text-center md:text-left mb-4 md:mb-0">361 <p class="text-sm text-gray-500">362 © 2023 FastAPI Audit Pro. 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