407 lines
8.8 KiB
Go
407 lines
8.8 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"io"
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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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"time"
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ftpd "github.com/goftp/server"
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"github.com/jinzhu/gorm"
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_ "github.com/jinzhu/gorm/dialects/postgres"
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host "dev.sum7.eu/sum7/warehost/modul/host"
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web "dev.sum7.eu/sum7/warehost/modul/web"
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system "dev.sum7.eu/sum7/warehost/system"
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)
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const (
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DriverOwner = "warehost"
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DriverGroup = "http"
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DriverFolderOwn = "home"
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DriverFolderDomain = "domain"
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DriverFolderWeb = "web"
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)
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type FileDriver struct {
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config *Config
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db *gorm.DB
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Perm ftpd.Perm
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login system.Login
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conn *ftpd.Conn
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}
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type FackFileInfo struct {
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os.FileInfo
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name string
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}
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func (f *FackFileInfo) Mode() os.FileMode {
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return os.ModeDir
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}
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func (f *FackFileInfo) IsDir() bool {
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return true
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}
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func (f *FackFileInfo) Name() string {
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return f.name
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}
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func (f *FackFileInfo) Owner() string {
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return DriverOwner
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}
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func (f *FackFileInfo) Size() int64 {
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return 0
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}
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func (f *FackFileInfo) ModTime() time.Time {
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return time.Now()
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}
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func (f *FackFileInfo) Group() string {
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return DriverGroup
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}
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type FileInfo struct {
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os.FileInfo
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mode os.FileMode
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owner string
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group string
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}
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func (f *FileInfo) Mode() os.FileMode {
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return f.mode
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}
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func (f *FileInfo) Owner() string {
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return f.owner
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}
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func (f *FileInfo) Group() string {
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return f.group
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}
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func (driver *FileDriver) chechLogin() {
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if driver.login.ID <= 0 && driver.conn.IsLogin() {
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driver.db.Where("mail = ?", driver.conn.LoginUser()).First(&driver.login)
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fmt.Printf("Connection:%s:%d\n", driver.conn.LoginUser(), driver.login.ID)
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}
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}
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func (driver *FileDriver) realPath(path string) (string, bool) {
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driver.chechLogin()
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paths := strings.Split(path, "/")
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root := "/dev/null"
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real := false
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if len(paths) > 1 && driver.login.ID > 0 {
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switch paths[1] {
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case DriverFolderOwn:
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root = fmt.Sprintf(driver.config.Own, driver.login.ID)
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paths = paths[2:]
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real = true
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break
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case DriverFolderDomain:
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if len(paths) > 2 {
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var web host.Web
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domain := paths[2]
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if driver.login.Superadmin {
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driver.db.Joins("LEFT JOIN host_domain ON host_domain.id=host_web.domain").Where("CONCAT(host_web.subdomain,'.',host_domain.fqdn) = ?", domain).Or("host_web.subdomain='' AND host_domain.fqdn = ?", domain).First(&web)
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} else {
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driver.db.Joins("LEFT JOIN host_domain ON host_domain.id=host_web.domain").Joins("LEFT JOIN host_web_ftpaccess ftp ON ftp.web=host_web.id").Where("ftp.login = ?", driver.login.ID).Where("CONCAT(host_web.subdomain,'.',host_domain.fqdn) = ?", domain).Or("host_web.subdomain='' AND host_domain.fqdn = ?", domain).First(&web)
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}
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if web.ID > 0 {
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root = fmt.Sprintf(driver.config.Host, domain)
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paths = paths[3:]
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real = true
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}
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}
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break
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case DriverFolderWeb:
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if len(paths) > 2 {
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id, _ := strconv.ParseInt(paths[2], 10, 64)
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res := driver.db.Where(map[string]int64{"website": id, "login": driver.login.ID}).Find(&web.Manager{})
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if !res.RecordNotFound() || driver.login.Superadmin {
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root = fmt.Sprintf(driver.config.Web, id)
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paths = paths[3:]
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real = true
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}
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}
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break
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}
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}
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return filepath.Join(append([]string{root}, paths...)...), real
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}
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func (driver *FileDriver) Init(conn *ftpd.Conn) {
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driver.conn = conn
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}
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func (driver *FileDriver) ChangeDir(path string) error {
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rPath, real := driver.realPath(path)
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if !real {
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return nil
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}
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f, err := os.Lstat(rPath)
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if err != nil {
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return err
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}
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if f.IsDir() {
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return nil
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}
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return errors.New("Not a directory")
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}
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func (driver *FileDriver) Stat(path string) (ftpd.FileInfo, error) {
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basepath, real := driver.realPath(path)
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var f os.FileInfo
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if real {
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rPath, err := filepath.Abs(basepath)
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if err != nil {
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return nil, err
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}
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f, err = os.Lstat(rPath)
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if err != nil {
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return nil, err
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}
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} else {
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f = &FackFileInfo{name: path}
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}
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mode, err := driver.Perm.GetMode(path)
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if err != nil {
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return nil, err
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}
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if f.IsDir() {
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mode |= os.ModeDir
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}
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owner, err := driver.Perm.GetOwner(path)
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if err != nil {
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return nil, err
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}
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group, err := driver.Perm.GetGroup(path)
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if err != nil {
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return nil, err
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}
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return &FileInfo{f, mode, owner, group}, nil
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}
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func (driver *FileDriver) ListDir(path string, callback func(ftpd.FileInfo) error) error {
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basepath, real := driver.realPath(path)
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if real {
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filepath.Walk(basepath, func(f string, info os.FileInfo, err error) error {
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rPath, _ := filepath.Rel(basepath, f)
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if rPath == info.Name() {
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mode, err := driver.Perm.GetMode(rPath)
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if err != nil {
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return err
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}
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if info.IsDir() {
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mode |= os.ModeDir
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}
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owner, err := driver.Perm.GetOwner(rPath)
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if err != nil {
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return err
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}
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group, err := driver.Perm.GetGroup(rPath)
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if err != nil {
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return err
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}
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err = callback(&FileInfo{info, mode, owner, group})
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if err != nil {
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return err
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}
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}
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return nil
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})
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return nil
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} else {
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switch path {
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case "/":
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for _, i := range []string{DriverFolderOwn, DriverFolderDomain, DriverFolderWeb} {
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err := callback(&FackFileInfo{name: i})
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if err != nil {
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return err
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}
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}
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return nil
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case fmt.Sprintf("/%s", DriverFolderDomain):
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var list []*host.Web
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if driver.login.Superadmin {
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driver.db.Preload("Domain").Find(&list)
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} else {
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driver.db.Joins("LEFT JOIN host_web_ftpaccess ftp ON ftp.web=host_web.id").Where("ftp.login = ?", driver.login.ID).Preload("Domain").Find(&list)
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}
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for _, i := range list {
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domain := i.Domain.FQDN
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if len(i.Subdomain) > 0 {
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domain = fmt.Sprintf("%s.%s", i.Subdomain, domain)
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}
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err := callback(&FackFileInfo{name: domain})
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if err != nil {
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return err
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}
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}
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return nil
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case fmt.Sprintf("/%s", DriverFolderWeb):
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var list []*web.Manager
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if driver.login.Superadmin {
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driver.db.Find(&list)
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} else {
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driver.db.Where("login = ?", driver.login.ID).Find(&list)
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}
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for _, i := range list {
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err := callback(&FackFileInfo{name: fmt.Sprintf("%d", i.WebsiteID)})
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if err != nil {
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return err
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}
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}
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return nil
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}
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return errors.New("No path")
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}
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}
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func (driver *FileDriver) DeleteDir(path string) error {
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rPath, real := driver.realPath(path)
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if !real {
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return errors.New("Warehost folders are not deletable")
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}
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f, err := os.Lstat(rPath)
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if err != nil {
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return err
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}
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if f.IsDir() {
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return os.Remove(rPath)
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}
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return errors.New("Not a directory")
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}
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func (driver *FileDriver) DeleteFile(path string) error {
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rPath, real := driver.realPath(path)
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if !real {
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return errors.New("Warehost files are not deletable")
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}
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f, err := os.Lstat(rPath)
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if err != nil {
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return err
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}
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if !f.IsDir() {
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return os.Remove(rPath)
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}
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return errors.New("Not a file")
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}
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func (driver *FileDriver) Rename(fromPath string, toPath string) error {
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oldPath, realOld := driver.realPath(fromPath)
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newPath, realNew := driver.realPath(toPath)
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if !realOld || !realNew {
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return errors.New("Warehost files/folders are not moveable")
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}
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return os.Rename(oldPath, newPath)
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}
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func (driver *FileDriver) MakeDir(path string) error {
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rPath, real := driver.realPath(path)
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if !real {
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return errors.New("Warehost folders are not createable")
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}
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return os.Mkdir(rPath, os.ModePerm)
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}
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func (driver *FileDriver) GetFile(path string, offset int64) (int64, io.ReadCloser, error) {
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rPath, real := driver.realPath(path)
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if !real {
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return 0, nil, errors.New("Warehost files are not downloadable")
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}
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f, err := os.Open(rPath)
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if err != nil {
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return 0, nil, err
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}
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info, err := f.Stat()
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if err != nil {
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return 0, nil, err
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}
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f.Seek(offset, os.SEEK_SET)
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return info.Size(), f, nil
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}
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func (driver *FileDriver) PutFile(destPath string, data io.Reader, appendData bool) (int64, error) {
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rPath, real := driver.realPath(destPath)
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if !real {
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return 0, errors.New("Warehost files are not replaceable")
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}
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var isExist bool
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f, err := os.Lstat(rPath)
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if err == nil {
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isExist = true
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if f.IsDir() {
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return 0, errors.New("A dir has the same name")
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}
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} else {
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if os.IsNotExist(err) {
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isExist = false
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} else {
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return 0, errors.New(fmt.Sprintln("Put File error:", err))
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}
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}
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if appendData && !isExist {
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appendData = false
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}
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if !appendData {
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if isExist {
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err = os.Remove(rPath)
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if err != nil {
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return 0, err
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}
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}
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f, err := os.Create(rPath)
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if err != nil {
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return 0, err
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}
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defer f.Close()
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bytes, err := io.Copy(f, data)
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if err != nil {
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return 0, err
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}
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return bytes, nil
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}
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of, err := os.OpenFile(rPath, os.O_APPEND|os.O_RDWR, 0660)
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if err != nil {
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return 0, err
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}
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defer of.Close()
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_, err = of.Seek(0, os.SEEK_END)
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if err != nil {
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return 0, err
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}
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bytes, err := io.Copy(of, data)
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if err != nil {
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return 0, err
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}
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return bytes, nil
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}
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type FileDriverFactory struct {
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config *Config
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db *gorm.DB
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Perm ftpd.Perm
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}
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func (factory *FileDriverFactory) NewDriver() (ftpd.Driver, error) {
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return &FileDriver{config: factory.config, db: factory.db, Perm: factory.Perm}, nil
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}
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