86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
package middleware
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import (
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/novablog/server/internal/utils"
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)
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// AuthMiddleware JWT 认证中间件
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func AuthMiddleware(jwtManager *utils.JWTManager) gin.HandlerFunc {
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return func(c *gin.Context) {
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// 从 Header 获取 Token
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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c.JSON(http.StatusUnauthorized, gin.H{
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"error": "authorization header is required",
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})
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c.Abort()
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return
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}
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// 解析 Bearer Token
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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{
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"error": "invalid authorization header format",
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})
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c.Abort()
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return
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}
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tokenString := parts[1]
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// 验证 Token
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claims, err := jwtManager.ParseToken(tokenString)
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{
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"error": err.Error(),
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})
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c.Abort()
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return
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}
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// 将用户信息存入上下文
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c.Set("userID", claims.UserID)
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c.Set("username", claims.Username)
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c.Set("role", claims.Role)
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c.Next()
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}
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}
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// AdminMiddleware 管理员权限中间件
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func AdminMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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role, exists := c.Get("role")
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if !exists || role != "admin" {
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c.JSON(http.StatusForbidden, gin.H{
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"error": "admin permission required",
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})
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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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// GetUserID 从上下文获取用户 ID
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func GetUserID(c *gin.Context) (uint, bool) {
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userID, exists := c.Get("userID")
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if !exists {
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return 0, false
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}
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return userID.(uint), true
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}
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// GetUsername 从上下文获取用户名
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func GetUsername(c *gin.Context) (string, bool) {
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username, exists := c.Get("username")
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if !exists {
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return "", false
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}
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return username.(string), true
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} |