2024-11-14 14:55:43 +00:00
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package middleware
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import (
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"licserver/internal/utils"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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)
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func JWTAuth(config *utils.JWTConfig) gin.HandlerFunc {
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return func(c *gin.Context) {
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var token string
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2024-11-16 15:59:15 +00:00
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// // 1. 首先从 cookie 中获取 token
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// tokenCookie, err := c.Cookie("token")
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// if err == nil {
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// token = tokenCookie
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// }
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2024-11-14 14:55:43 +00:00
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// 2. 如果 cookie 中没有,则从 header 中获取
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if token == "" {
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auth := c.GetHeader("Authorization")
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if auth != "" {
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parts := strings.SplitN(auth, " ", 2)
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if len(parts) == 2 && parts[0] == "Bearer" {
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token = parts[1]
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}
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}
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}
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// 3. 如果 query 参数中有 token,也可以使用
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if token == "" {
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token = c.Query("token")
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}
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// 如果都没有找到 token
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if token == "" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "未提供认证信息"})
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c.Abort()
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return
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}
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// 验证 token
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claims, err := utils.ParseToken(token, config)
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "无效的token"})
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c.Abort()
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return
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}
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// 将用户信息存储到上下文
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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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// AdminRequired 检查用户是否为管理员
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func AdminRequired() 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{"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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