Initial commit - DesignerCEP Project with Caddy deployment

2025-12-19 21:27:17 +08:00
commit 8ea58fe480
170 changed files with 47469 additions and 0 deletions
--- a/Server/app/api/v1/jsx_demo.py
+++ b/Server/app/api/v1/jsx_demo.py
@@ -0,0 +1,120 @@
+"""
+服务器端计算 Demo - 简单数学计算
+演示：前端获取图层名称 → 后端计算数学表达式 → 返回结果
+"""
+
+from fastapi import APIRouter, Header, HTTPException
+from pydantic import BaseModel
+import re
+import logging
+from datetime import datetime
+from typing import Optional
+from app.core.api_keys import validate_api_key, get_key_info
+
+# 配置日志
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s [%(levelname)s] %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S'
+)
+logger = logging.getLogger(__name__)
+
+router = APIRouter()
+
+class CalculateRequest(BaseModel):
+    """计算请求"""
+    expression: str  # 数学表达式，如 "87-98"
+
+class CalculateResult(BaseModel):
+    """计算结果"""
+    success: bool
+    expression: str
+    result: float = None
+    message: str
+
+@router.post("/calculate", response_model=CalculateResult)
+async def calculate_expression(
+    request: CalculateRequest,
+    x_api_key: Optional[str] = Header(None)  # 可选的 API Key 验证
+):
+    """
+    🔒 服务器端数学计算（核心算法）
+    客户端只能拿到计算结果，看不到算法
+    
+    示例：前端发送 "87-98" → 后端计算 → 返回 -11
+    """
+    
+    # ==================== 📝 日志：打印请求 ====================
+    logger.info("="*60)
+    logger.info("📥 收到计算请求")
+    logger.info(f"   时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
+    logger.info(f"   表达式: {request.expression}")
+    logger.info(f"   API Key: {x_api_key if x_api_key else '未提供'}")
+    logger.info("="*60)
+    
+    # ==================== 🔐 API Key 验证 ====================
+    if not validate_api_key(x_api_key):
+        logger.warning(f"❌ API Key 验证失败: {x_api_key}")
+        raise HTTPException(status_code=403, detail="无效的 API Key")
+    
+    # 获取 Key 信息
+    key_info = get_key_info(x_api_key)
+    logger.info(f"✅ API Key 验证通过 | 名称: {key_info['name']} | 权限: {key_info['permissions']}")
+    
+    try:
+        # 🔒 核心算法在这里（客户端看不到）
+        # 可以是复杂的数学模型、AI 推理等
+        
+        expression = request.expression.strip()
+        
+        # ==================== 🛡️ 安全检查 ====================
+        logger.info(f"🛡️ 安全检查: 验证表达式格式...")
+        
+        # 只允许数字和基本运算符
+        if not re.match(r'^[\d\s\+\-\*\/\(\)\.]+$', expression):
+            logger.warning(f"❌ 表达式包含非法字符: {expression}")
+            return CalculateResult(
+                success=False,
+                expression=expression,
+                message="只支持基本数学运算（+、-、*、/）"
+            )
+        
+        logger.info("✅ 表达式格式验证通过")
+        
+        # ==================== 🔒 核心算法执行 ====================
+        logger.info("🔒 开始执行核心算法...")
+        
+        # 这里可以放你的核心算法
+        # 示例：简单计算
+        result = eval(expression)
+        
+        logger.info(f"✅ 计算完成: {expression} = {result}")
+        
+        # ==================== 📤 日志：打印输出 ====================
+        response = CalculateResult(
+            success=True,
+            expression=expression,
+            result=float(result),
+            message=f"计算成功: {expression} = {result}"
+        )
+        
+        logger.info("="*60)
+        logger.info("📤 返回计算结果")
+        logger.info(f"   成功: {response.success}")
+        logger.info(f"   表达式: {response.expression}")
+        logger.info(f"   结果: {response.result}")
+        logger.info(f"   消息: {response.message}")
+        logger.info("="*60)
+        
+        return response
+        
+    except Exception as e:
+        logger.error(f"❌ 计算失败: {str(e)}")
+        logger.error("="*60)
+        
+        return CalculateResult(
+            success=False,
+            expression=request.expression,
+            message=f"计算失败: {str(e)}"
+        )
+