使用 BasicAuth 中间件

// 模拟一些私人数据
var secrets = gin.H{
    "foo":    gin.H{"email": "foo@bar.com", "phone": "123433"},
    "austin": gin.H{"email": "austin@example.com", "phone": "666"},
    "lena":   gin.H{"email": "lena@guapa.com", "phone": "523443"},
}
func main() {
    r := gin.Default()
    // 路由组使用 gin.BasicAuth() 中间件
    // gin.Accounts 是 map[string]string 的一种快捷方式
    authorized := r.Group("/admin", gin.BasicAuth(gin.Accounts{
        "foo":    "bar",
        "austin": "1234",
        "lena":   "hello2",
        "manu":   "4321",
    }))
    // /admin/secrets 端点
    // 触发 "localhost:8080/admin/secrets
    authorized.GET("/secrets", func(c *gin.Context) {
        // 获取用户，它是由 BasicAuth 中间件设置的
        user := c.MustGet(gin.AuthUserKey).(string)
        if secret, ok := secrets[user]; ok {
            c.JSON(http.StatusOK, gin.H{"user": user, "secret": secret})
        } else {
            c.JSON(http.StatusOK, gin.H{"user": user, "secret": "NO SECRET :("})
        }
    })
    // 监听并在 0.0.0.0:8080 上启动服务
    r.Run(":8080")
}