99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
package api
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import (
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"net/http"
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"strings"
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"d:\项目\dobaochet\backend\config"
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"d:\项目\dobaochet\backend\db"
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"d:\项目\dobaochet\backend\models"
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"d:\项目\dobaochet\backend\utils"
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"github.com/gin-gonic/gin"
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)
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// AuthMiddleware 认证中间件
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func AuthMiddleware(cfg *config.Config) gin.HandlerFunc {
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return func(c *gin.Context) {
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// 从请求头获取Authorization
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "未提供认证令牌"})
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c.Abort()
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return
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}
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// 检查Bearer前缀
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parts := strings.SplitN(authHeader, " ", 2)
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if !(len(parts) == 2 && parts[0] == "Bearer") {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "认证令牌格式错误"})
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c.Abort()
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return
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}
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// 解析JWT令牌
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claims, err := utils.ParseToken(parts[1], cfg.JWT.SecretKey)
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "无效的认证令牌"})
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c.Abort()
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return
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}
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// 查询用户信息
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var user models.User
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result := db.GetDB().Preload("Quota").First(&user, claims.UserID)
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if result.Error != nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "用户不存在"})
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c.Abort()
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return
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}
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// 检查用户是否激活
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if !user.IsActive {
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c.JSON(http.StatusForbidden, gin.H{"error": "用户已被禁用"})
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c.Abort()
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return
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}
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// 将用户信息设置到上下文
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c.Set("user", user)
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c.Set("user_id", user.ID)
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c.Set("is_admin", user.IsAdmin)
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c.Next()
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}
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}
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// AdminMiddleware 管理员中间件
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func AdminMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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// 从上下文获取用户信息
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isAdmin, exists := c.Get("is_admin")
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if !exists || !isAdmin.(bool) {
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c.JSON(http.StatusForbidden, gin.H{"error": "需要管理员权限"})
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c.Abort()
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return
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}
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c.Next()
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}
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}
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// CORSMiddleware CORS中间件
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func CORSMiddleware(cfg *config.Config) gin.HandlerFunc {
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return func(c *gin.Context) {
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// 设置允许的来源
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c.Writer.Header().Set("Access-Control-Allow-Origin", strings.Join(cfg.CORS.AllowOrigins, ","))
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c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
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c.Writer.Header().Set("Access-Control-Allow-Headers", strings.Join(cfg.CORS.AllowHeaders, ","))
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c.Writer.Header().Set("Access-Control-Allow-Methods", strings.Join(cfg.CORS.AllowMethods, ","))
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if c.Request.Method == "OPTIONS" {
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c.AbortWithStatus(204)
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return
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}
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c.Next()
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}
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}
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