获取七牛访问链接

package tools

import (
    "log"
    "net/http"
    "strconv"
    "time"

    "github.com/gin-gonic/gin"
    "github.com/qiniu/go-sdk/v7/auth"
    "github.com/qiniu/go-sdk/v7/auth/qbox"
    "github.com/qiniu/go-sdk/v7/storage"
)

var accessKey = ""
var secretKey = ""
var TokenCreateTime string
var QiToken string
var domain = "http://re6aow2in.bkt.clouddn.com/"

// 七牛公开访问链接
func PublicAccessURL(c *gin.Context) {
    c.JSON(http.StatusOK, gin.H{"message": PublicUrl(c.Query("key"))})
}

func PublicUrl(key string) string {
    publicAccessURL := storage.MakePublicURL(domain, key)
    return publicAccessURL
}

// 七牛私有访问链接
func PrivateAccessURL(c *gin.Context) {
    c.JSON(http.StatusOK, gin.H{"message": Purl(c.Query("key"))})
}

func Purl(key string) string {
    mac := qbox.NewMac(accessKey, secretKey)
    deadline := time.Now().Add(time.Second * 7200).Unix() //2小时有效期
    privateAccessURL := storage.MakePrivateURL(mac, domain, key, deadline)
    return privateAccessURL
}

// 获取七牛上传token
func QiniuToken(c *gin.Context) {
    cha := TimeDifference(TokenCreateTime)
    if cha > 115 {
        log.Println("============超过115分钟，从新获取")
        mac := auth.New(accessKey, secretKey)
        // 设置上传凭证有效期
        putPolicy := storage.PutPolicy{
            Scope: "gugeapp",
        }
        putPolicy.Expires = 7200 //示例2小时有效期
        QiToken = putPolicy.UploadToken(mac)
        // 当前时间戳（秒）
        TokenCreateTime = strconv.FormatInt(time.Now().Unix(), 10)
    }
    c.JSON(http.StatusOK, gin.H{"message": QiToken})
}