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package tools
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import (
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"encoding/base64"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"b612.me/starainrt"
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"b612.me/starlog"
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"github.com/spf13/cobra"
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)
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var port, ip, path string
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var up bool
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var basicAuth, certKey string
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type TraceHandler struct {
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h http.Handler
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}
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func init() {
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httpcmd.Flags().StringVarP(&port, "port", "p", "80", "监听端口")
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httpcmd.Flags().StringVarP(&ip, "ip", "i", "0.0.0.0", "监听ip")
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httpcmd.Flags().StringVarP(&path, "folder", "f", "./", "本地文件地址")
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httpcmd.Flags().BoolVarP(&up, "upload", "u", false, "是否开启文件上传")
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httpcmd.Flags().StringVarP(&basicAuth, "auth", "a", "", "HTTP BASIC AUTH认证(用户名:密码)")
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httpcmd.Flags().StringVarP(&certKey, "cert", "c", "", "TLS证书路径，用:分割证书与密钥")
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Maincmd.AddCommand(httpcmd)
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}
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// httpCmd represents the http command
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var httpcmd = &cobra.Command{
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Use: "http",
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Short: "HTTP文件服务器",
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Long: `HTTP文件服务器`,
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Run: func(cmd *cobra.Command, args []string) {
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var err error
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http.HandleFunc("/", httplisten)
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path, _ = filepath.Abs(path)
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starlog.Infoln("Listening On Port:" + port)
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if up {
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starlog.Infoln("upload is openned,path is /vtqeupload1127")
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http.HandleFunc("/vtqeupload1127", uploadfile)
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}
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if certKey == "" {
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err = http.ListenAndServe(ip+":"+port, nil)
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} else {
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certs := strings.Split(certKey, ":")
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if len(certs) != 2 {
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starlog.Criticalln("证书不正确！")
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return
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}
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err = http.ListenAndServeTLS(ip+":"+port, certs[0], certs[1], nil)
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}
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if err != nil {
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starlog.Criticalln("Error:" + err.Error())
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}
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},
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}
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func uploadfile(w http.ResponseWriter, r *http.Request) {
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if r.Method != "POST" {
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w.Write([]byte("USE POST METHOD!"))
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return
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}
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r.ParseMultipartForm(10485760)
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file, handler, err := r.FormFile("victorique")
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if err != nil {
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starlog.Errorln(err)
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w.WriteHeader(502)
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w.Write([]byte(err.Error()))
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return
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}
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defer file.Close()
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starlog.Noticef("Upload %s From %s\n", handler.Filename, r.RemoteAddr)
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fmt.Fprintf(w, `<html><body><p>%v</p><h2><a href="./vtqeupload1127/web">Return To Web Page</a></h2></body></html>`, handler.Header)
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os.Mkdir("./vtqeupload1127", 0755)
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f, err := os.OpenFile("./vtqeupload1127/"+handler.Filename, os.O_WRONLY|os.O_CREATE, 0755)
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if err != nil {
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starlog.Errorln(err)
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return
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}
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defer f.Close()
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io.Copy(f, file)
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}
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func httplisten(w http.ResponseWriter, r *http.Request) {
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log := starlog.Std.NewFlag()
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w.Header().Set("Server", "Vicorique")
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w.Header().Set("Powered", "B612.ME")
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write401 := func() {
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w.Header().Set("WWW-Authenticate", ` Basic realm="Please Enter Passwd"`)
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w.WriteHeader(401)
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w.Write([]byte(`
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<html>
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<head><title>401 Authorization Required</title></head>
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<body>
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<center><h1>401 Authorization Required</h1></center>
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<hr><center>B612 HTTP SERVER</center>
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</body>
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</html>`))
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}
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if basicAuth != "" {
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authHeader := strings.TrimSpace(r.Header.Get("Authorization"))
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if len(authHeader) == 0 {
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log.Noticeln("No Authed! Get Path is", r.URL.Path, r.RemoteAddr)
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write401()
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return
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} else {
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userAuth := base64.StdEncoding.EncodeToString([]byte(basicAuth))
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authStr := strings.Split(authHeader, " ")
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if strings.TrimSpace(authStr[1]) != userAuth {
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log.Noticeln("Auth Failed! Get Path is", r.URL.Path, r.RemoteAddr, "pwd enter is", authHeader)
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write401()
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return
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}
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}
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}
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p := r.URL.Path
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cmd := r.URL.Query()["cmd"]
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log.Noticeln("Get " + p + " " + r.RemoteAddr)
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fullpath, _ := filepath.Abs(path + p)
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if p == "/" {
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ReadFolder(w, r, fullpath, true)
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return
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}
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if up {
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if p == "/vtqeupload1127/web" {
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w.Write([]byte(`<html><body><form id= "uploadForm" action= "../vtqeupload1127" method= "post" enctype ="multipart/form-data">
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<h1 >B612 File Upload Page </h1>
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<p >上传文件： <input type ="file" name="victorique" /></p>
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<input type ="submit" value="上传"/>
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</form>
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<h2>Copyright@b612.me </h2></body></html>`))
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return
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}
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}
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if !starainrt.Exists(fullpath) {
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w.WriteHeader(404)
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if len(cmd) != 0 {
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if cmd[0] == "header" {
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for k, v := range r.Header {
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for _, v2 := range v {
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fmt.Fprintf(w, "%s:%s\n", k, v2)
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}
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}
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}
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}
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w.Write([]byte("<h1>404 NOT FOUND</h1>"))
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return
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}
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if starainrt.IsFolder(fullpath) {
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ReadFolder(w, r, fullpath, false)
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return
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}
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fpdst, err := os.Open(fullpath)
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if err != nil {
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log.Errorln(err)
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w.WriteHeader(403)
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w.Write([]byte("<h1>403 NO ACCESS</h1>"))
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return
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}
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fpinfo, _ := os.Stat(fullpath)
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name := filepath.Base(fullpath)
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tmp := strings.Split(name, ".")
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ext := ""
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if len(tmp) >= 2 {
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ext = strings.ToLower(tmp[len(tmp)-1])
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}
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switch ext {
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case "jpeg", "jpg", "jpe":
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w.Header().Set("Content-Type", "image/jpeg")
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case "mpeg", "mpg", "mkv":
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w.Header().Set("Content-Type", "video/mpeg")
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case "mp4":
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w.Header().Set("Content-Type", "video/mp4")
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case "pdf":
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w.Header().Set("Content-Type", "application/pdf")
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default:
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w.Header().Set("Content-Type", "application/download")
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w.Header().Set("Content-Disposition", "attachment;filename="+name)
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}
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etag := new(starainrt.StarCrypto).MD5([]byte(fpinfo.ModTime().String()))
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w.Header().Set("Content-Transfer-Encoding", "binary")
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w.Header().Set("Accept-Ranges", "bytes")
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w.Header().Set("ETag", etag)
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w.Header().Set("Last-Modified", strings.ReplaceAll(fpinfo.ModTime().UTC().Format("Mon, 2 Jan 2006 15:04:05 MST"), "UTC", "GMT"))
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isRange := false
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var rangeStart, rangeEnd int64
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rangeEnd = -1
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for k, v := range r.Header {
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if strings.ToLower(k) == "range" {
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if strings.Index(v[0], "bytes=") < 0 {
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break
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}
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v[0] = strings.Replace(v[0], "bytes=", "", -1)
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data := strings.Split(v[0], "-")
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if len(data) == 0 {
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break
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}
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rangeStart, _ = strconv.ParseInt(data[0], 10, 64)
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if len(data) == 2 {
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rangeEnd, _ = strconv.ParseInt(data[1], 10, 64)
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}
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//w.WriteHeader(206) //206 支持断点续传
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isRange = true
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break
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}
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}
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defer fpdst.Close()
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var transferData int
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if !isRange {
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w.Header().Set("Content-Length", strconv.FormatInt(fpinfo.Size(), 10))
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w.WriteHeader(200)
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for {
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buf := make([]byte, 1048576)
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n, err := fpdst.Read(buf)
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if n != 0 {
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ns, err := w.Write(buf[0:n])
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transferData += ns
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if err != nil {
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starlog.Errorln("Transfer Error:", err)
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}
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}
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if err != nil {
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if err == io.EOF {
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break
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}
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break
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}
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}
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} else {
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w.Header().Set("Content-Length", strconv.FormatInt(fpinfo.Size(), 10))
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if rangeEnd == -1 {
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w.Header().Set("Content-Range", `bytes `+strconv.FormatInt(rangeStart, 10)+"-"+strconv.FormatInt(fpinfo.Size(), 10)+"/"+strconv.FormatInt(fpinfo.Size(), 10))
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//w.Header().Set("Content-Length", strconv.FormatInt(fpinfo.Size()-rangeStart, 10))
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} else {
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w.Header().Set("Content-Range", `bytes `+strconv.FormatInt(rangeStart, 10)+"-"+strconv.FormatInt(rangeEnd, 10)+"/"+strconv.FormatInt(fpinfo.Size(), 10))
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//w.Header().Set("Content-Length", strconv.FormatInt(1+rangeEnd-rangeStart, 10))
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}
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w.WriteHeader(206)
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fpdst.Seek(int64(rangeStart), 0)
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count := rangeStart
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for {
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buf := make([]byte, 1048576)
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n, err := fpdst.Read(buf)
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if err != nil {
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if err == io.EOF {
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break
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}
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return
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}
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if rangeEnd == -1 {
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ns, err := w.Write(buf[0:n])
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transferData += ns
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if err != nil {
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starlog.Errorln("Transfer Error:", err)
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}
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} else {
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if count > rangeEnd {
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break
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}
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if count+int64(n) > rangeEnd {
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w.Write(buf[0 : rangeEnd-count+1])
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break
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} else {
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ns, err := w.Write(buf[0:n])
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transferData += ns
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if err != nil {
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starlog.Errorln("Transfer Error:", err)
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}
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count += int64(n)
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}
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}
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}
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}
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var tani string
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tani = fmt.Sprintf("%v Byte", transferData)
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if f64 := float64(transferData) / 1024; f64 > 1 {
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tani = fmt.Sprintf("%v KB", f64)
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if f64 = float64(f64) / 1024; f64 > 1 {
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tani = fmt.Sprintf("%v MB", f64)
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if f64 = float64(f64) / 1024; f64 > 1 {
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tani = fmt.Sprintf("%v GB", f64)
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}
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}
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}
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log.Infoln(fpinfo.Name(), "客户端下载已结束，共传输大小："+tani)
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}
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func ReadFolder(w http.ResponseWriter, r *http.Request, fullpath string, isroot bool) {
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dir, err := ioutil.ReadDir(fullpath)
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if err != nil {
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starlog.Errorln(err)
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w.WriteHeader(403)
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w.Write([]byte("<h1>May Cannot Access!</h1>"))
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}
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w.Write([]byte("<html>\n<style>\np{margin: 2px auto}\n</style>\n<h1>B612 Http Server - " + Version + "</h1>"))
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if up {
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w.Write([]byte("<a href=/vtqeupload1127/web>Upload Web Page Is Openned!</a><br /><br />"))
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}
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w.Write([]byte("<hr /><pre>\n"))
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if r.URL.Path == "/" {
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r.URL.Path = ""
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} else if r.URL.Path[len(r.URL.Path)-1:] == "/" {
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r.URL.Path = r.URL.Path[0 : len(r.URL.Path)-1]
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}
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if !isroot {
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w.Write([]byte(fmt.Sprintf("<p><a href='%s'>%s</a> %s</p>\n", r.URL.Path+"/..", "..", "上层文件夹")))
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}
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for _, v := range dir {
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if v.Name() != "." || v.Name() != ".." {
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if !v.IsDir() {
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w.Write([]byte(fmt.Sprintf("<p><a href='%s'>%s</a> %d %s</p>\n", r.URL.Path+"/"+v.Name(), v.Name(), int(v.Size()), v.ModTime().Format("2006-01-02 15:04:05"))))
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} else {
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w.Write([]byte(fmt.Sprintf("<p><a href='%s'>%s</a> %s %s</p>\n", r.URL.Path+"/"+v.Name(), v.Name(), "文件夹", v.ModTime().Format("2006-01-02 15:04:05"))))
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}
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}
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}
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w.Write([]byte("</pre>\n</html>"))
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return
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}
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