sum7/warehost
sum7
/
warehost
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warehost/cmd/warehost-ftp/driver.go

407 lines
8.8 KiB
Go

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