86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package controllers
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import (
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"github.com/Xhofe/alist/alidrive"
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"github.com/Xhofe/alist/conf"
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"github.com/Xhofe/alist/server/models"
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"github.com/Xhofe/alist/utils"
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"github.com/gin-gonic/gin"
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log "github.com/sirupsen/logrus"
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"net/http/httputil"
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url2 "net/url"
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"path/filepath"
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"strings"
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)
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type ProxyReq struct {
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Password string `form:"pw"`
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}
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// Down handle download request
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func Proxy(c *gin.Context) {
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if !conf.Conf.Server.Download {
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c.JSON(200, MetaResponse(403, "不允许下载或预览."))
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return
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}
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filePath := c.Param("path")[1:]
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if !utils.HasSuffixes(filePath, conf.AllowProxies) {
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c.JSON(200, MetaResponse(403, "该类型文件不允许代理."))
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return
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}
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var down ProxyReq
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if err := c.ShouldBindQuery(&down); err != nil {
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c.JSON(200, MetaResponse(400, "错误的请求."))
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return
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}
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log.Debugf("down:%s", filePath)
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dir, name := filepath.Split(filePath)
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fileModel, err := models.GetFileByDirAndName(dir, name)
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if err != nil {
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if fileModel == nil {
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c.JSON(200, MetaResponse(404, "文件不存在."))
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return
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}
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c.JSON(200, MetaResponse(500, err.Error()))
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return
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}
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if fileModel.Password != "" && down.Password != utils.Get16MD5Encode(fileModel.Password) {
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if down.Password == "" {
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c.JSON(200, MetaResponse(401, "需要密码."))
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} else {
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c.JSON(200, MetaResponse(401, "密码错误."))
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}
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return
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}
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if fileModel.Type == "folder" {
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c.JSON(200, MetaResponse(406, "无法代理目录."))
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return
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}
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drive := utils.GetDriveByName(strings.Split(filePath, "/")[0])
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if drive == nil {
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c.JSON(200, MetaResponse(500, "找不到drive."))
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return
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}
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file, err := alidrive.GetDownLoadUrl(fileModel.FileId, drive)
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if err != nil {
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c.JSON(200, MetaResponse(500, err.Error()))
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return
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}
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url, err := url2.Parse(file.Url)
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if err != nil {
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c.JSON(200, MetaResponse(500, err.Error()))
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return
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}
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target, err := url2.Parse("https://" + url.Host)
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if err != nil {
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c.JSON(200, MetaResponse(500, err.Error()))
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return
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}
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proxy := httputil.NewSingleHostReverseProxy(target)
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c.Request.URL = url
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c.Request.Host = url.Host
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c.Request.Header.Del("Origin")
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c.Request.Header.Set("Referer", "https://www.aliyundrive.com/")
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proxy.ServeHTTP(c.Writer, c.Request)
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}
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