HFO4
5 years ago
parent
4abd5b2346
commit
0ee0ac5e89
@ -0,0 +1,31 @@
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package model
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import (
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"github.com/HFO4/cloudreve/pkg/util"
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"github.com/jinzhu/gorm"
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"time"
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)
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// Share 分享模型
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type Share struct {
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gorm.Model
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Password string // 分享密码，空值为非加密分享
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IsDir bool // 原始资源是否为目录
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UserID uint // 创建用户ID
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SourceID uint // 原始资源ID
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Views int // 浏览数
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Downloads int // 下载数
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RemainDownloads int // 剩余下载配额，负值标识无限制
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Expires *time.Time // 过期时间，空值表示无过期时间
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Score int // 每人次下载扣除积分
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}
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// Create 创建分享
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// TODO 测试
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func (share *Share) Create() (uint, error) {
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if err := DB.Create(share).Error; err != nil {
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util.Log().Warning("无法插入数据库记录, %s", err)
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return 0, err
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}
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return share.ID, nil
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}
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@ -0,0 +1,33 @@
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package hashid
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import "github.com/HFO4/cloudreve/pkg/conf"
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import "github.com/speps/go-hashids"
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// ID类型
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const (
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ShareID = iota // 分享
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UserID // 用户
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)
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// HashEncode 对给定数据计算HashID
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func HashEncode(v []int) (string, error) {
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hd := hashids.NewData()
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hd.Salt = conf.SystemConfig.HashIDSalt
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h, err := hashids.NewWithData(hd)
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if err != nil {
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return "", err
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}
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id, err := h.Encode(v)
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if err != nil {
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return "", err
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}
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return id, nil
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}
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// HashID 计算数据库内主键对应的HashID
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func HashID(id uint, t int) string {
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v, _ := HashEncode([]int{int(id), t})
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return v
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}
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@ -0,0 +1,17 @@
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package controllers
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import (
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"github.com/HFO4/cloudreve/service/share"
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"github.com/gin-gonic/gin"
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)
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// CreateShare 创建分享
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func CreateShare(c *gin.Context) {
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var service share.ShareCreateService
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if err := c.ShouldBindJSON(&service); err == nil {
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res := service.Create(c)
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c.JSON(200, res)
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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}
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@ -0,0 +1,81 @@
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package share
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import (
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/hashid"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/gin-gonic/gin"
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"net/url"
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"time"
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)
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// ShareCreateService 创建新分享服务
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type ShareCreateService struct {
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SourceID uint `json:"id" binding:"required"`
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IsDir bool `json:"is_dir"`
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Password string `json:"password" binding:"max=255"`
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RemainDownloads int `json:"downloads"`
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Expire int `json:"expire"`
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Score int `json:"score" binding:"gte=0"`
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}
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// Create 创建新分享
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func (service *ShareCreateService) Create(c *gin.Context) serializer.Response {
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userCtx, _ := c.Get("user")
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user := userCtx.(*model.User)
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// 是否拥有权限
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if !user.Group.ShareEnabled {
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return serializer.Err(serializer.CodeNoRightErr, "您无权创建分享链接", nil)
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}
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// 对象是否存在
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exist := true
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if service.IsDir {
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folder, err := model.GetFoldersByIDs([]uint{service.SourceID}, user.ID)
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if err != nil || len(folder) == 0 {
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exist = false
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}
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} else {
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file, err := model.GetFilesByIDs([]uint{service.SourceID}, user.ID)
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if err != nil || len(file) == 0 {
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exist = false
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}
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}
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if !exist {
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return serializer.Err(serializer.CodeNotFound, "原始资源不存在", nil)
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}
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newShare := model.Share{
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Password: service.Password,
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IsDir: service.IsDir,
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UserID: user.ID,
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SourceID: service.SourceID,
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Score: service.RemainDownloads,
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}
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// 如果开启了自动过期
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if service.RemainDownloads > 0 {
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expires := time.Now().Add(time.Duration(service.Expire) * time.Second)
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newShare.RemainDownloads = service.RemainDownloads
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newShare.Expires = &expires
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}
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// 创建分享
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id, err := newShare.Create()
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if err != nil {
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return serializer.Err(serializer.CodeDBError, "分享链接创建失败", err)
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}
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// 获取分享的唯一id
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uid := hashid.HashID(id, hashid.ShareID)
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// 最终得到分享链接
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siteURL := model.GetSiteURL()
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sharePath, _ := url.Parse("/#/s/" + uid)
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shareURL := siteURL.ResolveReference(sharePath)
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return serializer.Response{
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Code: 0,
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Data: shareURL.String(),
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}
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}
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