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cloudreve/service/share/manage.go

150 lines
3.9 KiB

package share
import (
model "github.com/HFO4/cloudreve/models"
"github.com/HFO4/cloudreve/pkg/hashid"
"github.com/HFO4/cloudreve/pkg/serializer"
"github.com/gin-gonic/gin"
"net/url"
"time"
)
// ShareCreateService 创建新分享服务
type ShareCreateService struct {
SourceID string `json:"id" binding:"required"`
IsDir bool `json:"is_dir"`
Password string `json:"password" binding:"max=255"`
RemainDownloads int `json:"downloads"`
Expire int `json:"expire"`
Preview bool `json:"preview"`
}
// ShareUpdateService 分享更新服务
type ShareUpdateService struct {
Prop string `json:"prop" binding:"required,eq=password|eq=preview_enabled"`
Value string `json:"value" binding:"max=255"`
}
// Delete 删除分享
func (service *Service) Delete(c *gin.Context, user *model.User) serializer.Response {
share := model.GetShareByHashID(c.Param("id"))
if share == nil || share.Creator().ID != user.ID {
return serializer.Err(serializer.CodeNotFound, "分享不存在", nil)
}
if err := share.Delete(); err != nil {
return serializer.Err(serializer.CodeDBError, "分享删除失败", err)
}
return serializer.Response{}
}
// Update 更新分享属性
func (service *ShareUpdateService) Update(c *gin.Context) serializer.Response {
shareCtx, _ := c.Get("share")
share := shareCtx.(*model.Share)
switch service.Prop {
case "password":
err := share.Update(map[string]interface{}{"password": service.Value})
if err != nil {
return serializer.Err(serializer.CodeDBError, "无法更新分享密码", err)
}
case "preview_enabled":
value := service.Value == "true"
err := share.Update(map[string]interface{}{"preview_enabled": value})
if err != nil {
return serializer.Err(serializer.CodeDBError, "无法更新分享属性", err)
}
return serializer.Response{
Data: value,
}
}
return serializer.Response{
Data: service.Value,
}
}
// Create 创建新分享
func (service *ShareCreateService) Create(c *gin.Context) serializer.Response {
userCtx, _ := c.Get("user")
user := userCtx.(*model.User)
// 是否拥有权限
if !user.Group.ShareEnabled {
return serializer.Err(serializer.CodeNoPermissionErr, "您无权创建分享链接", nil)
}
// 源对象真实ID
var (
sourceID uint
sourceName string
err error
)
if service.IsDir {
sourceID, err = hashid.DecodeHashID(service.SourceID, hashid.FolderID)
} else {
sourceID, err = hashid.DecodeHashID(service.SourceID, hashid.FileID)
}
if err != nil {
return serializer.Err(serializer.CodeNotFound, "原始资源不存在", nil)
}
// 对象是否存在
exist := true
if service.IsDir {
folder, err := model.GetFoldersByIDs([]uint{sourceID}, user.ID)
if err != nil || len(folder) == 0 {
exist = false
} else {
sourceName = folder[0].Name
}
} else {
file, err := model.GetFilesByIDs([]uint{sourceID}, user.ID)
if err != nil || len(file) == 0 {
exist = false
} else {
sourceName = file[0].Name
}
}
if !exist {
return serializer.Err(serializer.CodeNotFound, "原始资源不存在", nil)
}
newShare := model.Share{
Password: service.Password,
IsDir: service.IsDir,
UserID: user.ID,
SourceID: sourceID,
RemainDownloads: -1,
PreviewEnabled: service.Preview,
SourceName: sourceName,
}
// 如果开启了自动过期
if service.RemainDownloads > 0 {
expires := time.Now().Add(time.Duration(service.Expire) * time.Second)
newShare.RemainDownloads = service.RemainDownloads
newShare.Expires = &expires
}
// 创建分享
id, err := newShare.Create()
if err != nil {
return serializer.Err(serializer.CodeDBError, "分享链接创建失败", err)
}
// 获取分享的唯一id
uid := hashid.HashID(id, hashid.ShareID)
// 最终得到分享链接
siteURL := model.GetSiteURL()
sharePath, _ := url.Parse("/#/s/" + uid)
shareURL := siteURL.ResolveReference(sharePath)
return serializer.Response{
Code: 0,
Data: shareURL.String(),
}
}