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Merge pull request #950 from chrislusf/webdav

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add WebDav
This commit is contained in:
Chris Lu 2019-05-03 01:25:10 -07:00 committed by GitHub
parent ac52db3bed 7064b2ea48
commit 9d3c945b00
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 907 additions and 167 deletions
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1
weed/command/command.go
View file

@ -26,6 +26,7 @@ var Commands = []*Command{
cmdVolume,
cmdExport,
cmdMount,
cmdWebDav,
}
type Command struct {

109
weed/command/webdav.go Normal file
View file

@ -0,0 +1,109 @@
package command
import (
"fmt"
"net/http"
"os/user"
"strconv"
"time"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/chrislusf/seaweedfs/weed/server"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/spf13/viper"
)
var (
webDavStandaloneOptions WebDavOption
)
type WebDavOption struct {
filer *string
port *int
collection *string
tlsPrivateKey *string
tlsCertificate *string
}
func init() {
cmdWebDav.Run = runWebDav // break init cycle
webDavStandaloneOptions.filer = cmdWebDav.Flag.String("filer", "localhost:8888", "filer server address")
webDavStandaloneOptions.port = cmdWebDav.Flag.Int("port", 7333, "webdav server http listen port")
webDavStandaloneOptions.collection = cmdWebDav.Flag.String("collection", "", "collection to create the files")
webDavStandaloneOptions.tlsPrivateKey = cmdWebDav.Flag.String("key.file", "", "path to the TLS private key file")
webDavStandaloneOptions.tlsCertificate = cmdWebDav.Flag.String("cert.file", "", "path to the TLS certificate file")
}
var cmdWebDav = &Command{
UsageLine: "webdav -port=7333 -filer=<ip:port>",
Short: "start a webdav server that is backed by a filer",
Long: `start a webdav server that is backed by a filer.
`,
}
func runWebDav(cmd *Command, args []string) bool {
weed_server.LoadConfiguration("security", false)
glog.V(0).Infof("Starting Seaweed WebDav Server %s at https port %d", util.VERSION, *webDavStandaloneOptions.port)
return webDavStandaloneOptions.startWebDav()
}
func (wo *WebDavOption) startWebDav() bool {
filerGrpcAddress, err := parseFilerGrpcAddress(*wo.filer)
if err != nil {
glog.Fatal(err)
return false
}
// detect current user
uid, gid := uint32(0), uint32(0)
if u, err := user.Current(); err == nil {
if parsedId, pe := strconv.ParseUint(u.Uid, 10, 32); pe == nil {
uid = uint32(parsedId)
}
if parsedId, pe := strconv.ParseUint(u.Gid, 10, 32); pe == nil {
gid = uint32(parsedId)
}
}
ws, webdavServer_err := weed_server.NewWebDavServer(&weed_server.WebDavOption{
Filer: *wo.filer,
FilerGrpcAddress: filerGrpcAddress,
GrpcDialOption: security.LoadClientTLS(viper.Sub("grpc"), "client"),
Collection: *wo.collection,
Uid: uid,
Gid: gid,
})
if webdavServer_err != nil {
glog.Fatalf("WebDav Server startup error: %v", webdavServer_err)
}
httpS := &http.Server{Handler: ws.Handler}
listenAddress := fmt.Sprintf(":%d", *wo.port)
webDavListener, err := util.NewListener(listenAddress, time.Duration(10)*time.Second)
if err != nil {
glog.Fatalf("WebDav Server listener on %s error: %v", listenAddress, err)
}
if *wo.tlsPrivateKey != "" {
glog.V(0).Infof("Start Seaweed WebDav Server %s at https port %d", util.VERSION, *wo.port)
if err = httpS.ServeTLS(webDavListener, *wo.tlsCertificate, *wo.tlsPrivateKey); err != nil {
glog.Fatalf("WebDav Server Fail to serve: %v", err)
}
} else {
glog.V(0).Infof("Start Seaweed WebDav Server %s at http port %d", util.VERSION, *wo.port)
if err = httpS.Serve(webDavListener); err != nil {
glog.Fatalf("WebDav Server Fail to serve: %v", err)
}
}
return true
}

163
weed/filer2/filer_client_util.go Normal file
View file

@ -0,0 +1,163 @@
package filer2
import (
"context"
"fmt"
"strings"
"sync"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
func VolumeId(fileId string) string {
lastCommaIndex := strings.LastIndex(fileId, ",")
if lastCommaIndex > 0 {
return fileId[:lastCommaIndex]
}
return fileId
}
type FilerClient interface {
WithFilerClient(ctx context.Context, fn func(filer_pb.SeaweedFilerClient) error) error
}
func ReadIntoBuffer(ctx context.Context, filerClient FilerClient, fullFilePath string, buff []byte, chunkViews []*ChunkView, baseOffset int64) (totalRead int64, err error) {
var vids []string
for _, chunkView := range chunkViews {
vids = append(vids, VolumeId(chunkView.FileId))
}
vid2Locations := make(map[string]*filer_pb.Locations)
err = filerClient.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
glog.V(4).Infof("read fh lookup volume id locations: %v", vids)
resp, err := client.LookupVolume(ctx, &filer_pb.LookupVolumeRequest{
VolumeIds: vids,
})
if err != nil {
return err
}
vid2Locations = resp.LocationsMap
return nil
})
if err != nil {
return 0, fmt.Errorf("failed to lookup volume ids %v: %v", vids, err)
}
var wg sync.WaitGroup
for _, chunkView := range chunkViews {
wg.Add(1)
go func(chunkView *ChunkView) {
defer wg.Done()
glog.V(4).Infof("read fh reading chunk: %+v", chunkView)
locations := vid2Locations[VolumeId(chunkView.FileId)]
if locations == nil || len(locations.Locations) == 0 {
glog.V(0).Infof("failed to locate %s", chunkView.FileId)
err = fmt.Errorf("failed to locate %s", chunkView.FileId)
return
}
var n int64
n, err = util.ReadUrl(
fmt.Sprintf("http://%s/%s", locations.Locations[0].Url, chunkView.FileId),
chunkView.Offset,
int(chunkView.Size),
buff[chunkView.LogicOffset-baseOffset:chunkView.LogicOffset-baseOffset+int64(chunkView.Size)],
!chunkView.IsFullChunk)
if err != nil {
glog.V(0).Infof("%v read http://%s/%v %v bytes: %v", fullFilePath, locations.Locations[0].Url, chunkView.FileId, n, err)
err = fmt.Errorf("failed to read http://%s/%s: %v",
locations.Locations[0].Url, chunkView.FileId, err)
return
}
glog.V(4).Infof("read fh read %d bytes: %+v", n, chunkView)
totalRead += n
}(chunkView)
}
wg.Wait()
return
}
func GetEntry(ctx context.Context, filerClient FilerClient, fullFilePath string) (entry *filer_pb.Entry, err error) {
dir, name := FullPath(fullFilePath).DirAndName()
err = filerClient.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
}
glog.V(3).Infof("read %s request: %v", fullFilePath, request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
if err == ErrNotFound {
return nil
}
glog.V(3).Infof("read %s attr %v: %v", fullFilePath, request, err)
return err
}
if resp.Entry != nil {
entry = resp.Entry
}
return nil
})
return
}
func ReadDirAllEntries(ctx context.Context, filerClient FilerClient, fullDirPath string, fn func(entry *filer_pb.Entry)) (err error) {
err = filerClient.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
paginationLimit := 1024
lastEntryName := ""
for {
request := &filer_pb.ListEntriesRequest{
Directory: fullDirPath,
StartFromFileName: lastEntryName,
Limit: uint32(paginationLimit),
}
glog.V(3).Infof("read directory: %v", request)
resp, err := client.ListEntries(ctx, request)
if err != nil {
return fmt.Errorf("list %s: %v", fullDirPath, err)
}
for _, entry := range resp.Entries {
fn(entry)
lastEntryName = entry.Name
}
if len(resp.Entries) < paginationLimit {
break
}
}
return nil
})
return
}

92
weed/filesys/dir.go
View file

@ -4,7 +4,6 @@ import (
"context"
"os"
"path"
"path/filepath"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
@ -54,39 +53,12 @@ func (dir *Dir) Attr(ctx context.Context, attr *fuse.Attr) error {
return nil
}
parent, name := filepath.Split(dir.Path)
err := dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: parent,
Name: name,
}
glog.V(1).Infof("read dir %s request: %v", dir.Path, request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
if err == filer2.ErrNotFound {
return nil
}
glog.V(0).Infof("read dir %s attr %v: %v", dir.Path, request, err)
return err
}
if resp.Entry != nil {
dir.attributes = resp.Entry.Attributes
}
glog.V(2).Infof("read dir %s attr: %v", dir.Path, dir.attributes)
// dir.wfs.listDirectoryEntriesCache.Set(dir.Path, resp.Entry, dir.wfs.option.EntryCacheTtl)
return nil
})
entry, err := filer2.GetEntry(ctx, dir.wfs, dir.Path)
if err != nil {
glog.V(2).Infof("read dir %s attr: %v, error: %v", dir.Path, dir.attributes, err)
return err
}
dir.attributes = entry.Attributes
glog.V(2).Infof("dir %s: %v perm: %v", dir.Path, dir.attributes, os.FileMode(dir.attributes.FileMode))
@ -133,7 +105,7 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
glog.V(1).Infof("create: %v", request)
if request.Entry.IsDirectory {
if err := dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if err := dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if _, err := client.CreateEntry(ctx, request); err != nil {
glog.V(0).Infof("create %s/%s: %v", dir.Path, req.Name, err)
return fuse.EIO
@ -156,7 +128,7 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) {
err := dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
err := dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.CreateEntryRequest{
Directory: dir.Path,
@ -193,33 +165,18 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (node fs.Node, err error) {
var entry *filer_pb.Entry
fullFilePath := path.Join(dir.Path, req.Name)
item := dir.wfs.listDirectoryEntriesCache.Get(path.Join(dir.Path, req.Name))
item := dir.wfs.listDirectoryEntriesCache.Get(fullFilePath)
if item != nil && !item.Expired() {
entry = item.Value().(*filer_pb.Entry)
}
if entry == nil {
err = dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir.Path,
Name: req.Name,
}
glog.V(4).Infof("lookup directory entry: %v", request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
// glog.V(0).Infof("lookup %s/%s: %v", dir.Path, name, err)
return fuse.ENOENT
}
entry = resp.Entry
// dir.wfs.listDirectoryEntriesCache.Set(path.Join(dir.Path, entry.Name), entry, dir.wfs.option.EntryCacheTtl)
return nil
})
entry, err = filer2.GetEntry(ctx, dir.wfs, fullFilePath)
if err != nil {
return nil, err
}
}
if entry != nil {
@ -244,7 +201,7 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
err = dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
err = dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
paginationLimit := 1024
remaining := dir.wfs.option.DirListingLimit
@ -306,33 +263,14 @@ func (dir *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
func (dir *Dir) removeOneFile(ctx context.Context, req *fuse.RemoveRequest) error {
var entry *filer_pb.Entry
err := dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir.Path,
Name: req.Name,
}
glog.V(4).Infof("lookup to-be-removed entry: %v", request)
resp, err := client.LookupDirectoryEntry(ctx, request)
if err != nil {
// glog.V(0).Infof("lookup %s/%s: %v", dir.Path, name, err)
return fuse.ENOENT
}
entry = resp.Entry
return nil
})
entry, err := filer2.GetEntry(ctx, dir.wfs, path.Join(dir.Path, req.Name))
if err != nil {
return err
}
dir.wfs.deleteFileChunks(ctx, entry.Chunks)
return dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.DeleteEntryRequest{
Directory: dir.Path,
@ -356,7 +294,7 @@ func (dir *Dir) removeOneFile(ctx context.Context, req *fuse.RemoveRequest) erro
func (dir *Dir) removeFolder(ctx context.Context, req *fuse.RemoveRequest) error {
return dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.DeleteEntryRequest{
Directory: dir.Path,
@ -402,7 +340,7 @@ func (dir *Dir) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fus
}
parentDir, name := filer2.FullPath(dir.Path).DirAndName()
return dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.UpdateEntryRequest{
Directory: parentDir,

2
weed/filesys/dir_link.go
View file

@ -35,7 +35,7 @@ func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node,
},
}
err := dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
err := dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if _, err := client.CreateEntry(ctx, request); err != nil {
glog.V(0).Infof("symlink %s/%s: %v", dir.Path, req.NewName, err)
return fuse.EIO

2
weed/filesys/dir_rename.go
View file

@ -12,7 +12,7 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector
newDir := newDirectory.(*Dir)
return dir.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return dir.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AtomicRenameEntryRequest{
OldDirectory: dir.Path,

2
weed/filesys/dirty_page.go
View file

@ -167,7 +167,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(ctx context.Context, buf []byte
var fileId, host string
var auth security.EncodedJwt
if err := pages.f.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if err := pages.f.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,

4
weed/filesys/file.go
View file

@ -109,7 +109,7 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
return nil
}
return file.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return file.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.UpdateEntryRequest{
Directory: file.dir.Path,
@ -144,7 +144,7 @@ func (file *File) maybeLoadAttributes(ctx context.Context) error {
file.setEntry(entry)
// glog.V(1).Infof("file attr read cached %v attributes", file.Name)
} else {
err := file.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
err := file.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Name: file.Name,

89
weed/filesys/filehandle.go
View file

@ -3,20 +3,18 @@ package filesys
import (
"context"
"fmt"
"mime"
"path"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/gabriel-vasile/mimetype"
"github.com/seaweedfs/fuse"
"github.com/seaweedfs/fuse/fs"
"google.golang.org/grpc"
"mime"
"path"
"strings"
"sync"
"time"
)
type FileHandle struct {
@ -68,72 +66,7 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
chunkViews := filer2.ViewFromVisibleIntervals(fh.f.entryViewCache, req.Offset, req.Size)
var vids []string
for _, chunkView := range chunkViews {
vids = append(vids, volumeId(chunkView.FileId))
}
vid2Locations := make(map[string]*filer_pb.Locations)
err := fh.f.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
glog.V(4).Infof("read fh lookup volume id locations: %v", vids)
resp, err := client.LookupVolume(ctx, &filer_pb.LookupVolumeRequest{
VolumeIds: vids,
})
if err != nil {
return err
}
vid2Locations = resp.LocationsMap
return nil
})
if err != nil {
glog.V(4).Infof("%v/%v read fh lookup volume ids: %v", fh.f.dir.Path, fh.f.Name, err)
return fmt.Errorf("failed to lookup volume ids %v: %v", vids, err)
}
var totalRead int64
var wg sync.WaitGroup
for _, chunkView := range chunkViews {
wg.Add(1)
go func(chunkView *filer2.ChunkView) {
defer wg.Done()
glog.V(4).Infof("read fh reading chunk: %+v", chunkView)
locations := vid2Locations[volumeId(chunkView.FileId)]
if locations == nil || len(locations.Locations) == 0 {
glog.V(0).Infof("failed to locate %s", chunkView.FileId)
err = fmt.Errorf("failed to locate %s", chunkView.FileId)
return
}
var n int64
n, err = util.ReadUrl(
fmt.Sprintf("http://%s/%s", locations.Locations[0].Url, chunkView.FileId),
chunkView.Offset,
int(chunkView.Size),
buff[chunkView.LogicOffset-req.Offset:chunkView.LogicOffset-req.Offset+int64(chunkView.Size)],
!chunkView.IsFullChunk)
if err != nil {
glog.V(0).Infof("%v/%v read http://%s/%v %v bytes: %v", fh.f.dir.Path, fh.f.Name, locations.Locations[0].Url, chunkView.FileId, n, err)
err = fmt.Errorf("failed to read http://%s/%s: %v",
locations.Locations[0].Url, chunkView.FileId, err)
return
}
glog.V(4).Infof("read fh read %d bytes: %+v", n, chunkView)
totalRead += n
}(chunkView)
}
wg.Wait()
totalRead, err := filer2.ReadIntoBuffer(ctx, fh.f.wfs, fh.f.fullpath(), buff, chunkViews, req.Offset)
resp.Data = buff[:totalRead]
@ -205,7 +138,7 @@ func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
return nil
}
return fh.f.wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
return fh.f.wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if fh.f.entry.Attributes != nil {
fh.f.entry.Attributes.Mime = fh.contentType
@ -243,7 +176,7 @@ func deleteFileIds(ctx context.Context, grpcDialOption grpc.DialOption, client f
var vids []string
for _, fileId := range fileIds {
vids = append(vids, volumeId(fileId))
vids = append(vids, filer2.VolumeId(fileId))
}
lookupFunc := func(vids []string) (map[string]operation.LookupResult, error) {
@ -280,11 +213,3 @@ func deleteFileIds(ctx context.Context, grpcDialOption grpc.DialOption, client f
return err
}
func volumeId(fileId string) string {
lastCommaIndex := strings.LastIndex(fileId, ",")
if lastCommaIndex > 0 {
return fileId[:lastCommaIndex]
}
return fileId
}

4
weed/filesys/wfs.go
View file

@ -73,7 +73,7 @@ func (wfs *WFS) Root() (fs.Node, error) {
return &Dir{Path: wfs.option.FilerMountRootPath, wfs: wfs}, nil
}
func (wfs *WFS) withFilerClient(ctx context.Context, fn func(filer_pb.SeaweedFilerClient) error) error {
func (wfs *WFS) WithFilerClient(ctx context.Context, fn func(filer_pb.SeaweedFilerClient) error) error {
return util.WithCachedGrpcClient(ctx, func(grpcConnection *grpc.ClientConn) error {
client := filer_pb.NewSeaweedFilerClient(grpcConnection)
@ -133,7 +133,7 @@ func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.
if wfs.stats.lastChecked < time.Now().Unix()-20 {
err := wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
err := wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.StatisticsRequest{
Collection: wfs.option.Collection,

2
weed/filesys/wfs_deletion.go
View file

@ -15,7 +15,7 @@ func (wfs *WFS) deleteFileChunks(ctx context.Context, chunks []*filer_pb.FileChu
fileIds = append(fileIds, chunk.FileId)
}
wfs.withFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
wfs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
deleteFileIds(ctx, wfs.option.GrpcDialOption, client, fileIds)
return nil
})

604
weed/server/webdav_server.go Normal file
View file

@ -0,0 +1,604 @@
package weed_server
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"net/url"
"os"
"path"
"strings"
"time"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"golang.org/x/net/webdav"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/security"
"github.com/spf13/viper"
)
type WebDavOption struct {
Filer string
FilerGrpcAddress string
DomainName string
BucketsPath string
GrpcDialOption grpc.DialOption
Collection string
Uid uint32
Gid uint32
}
type WebDavServer struct {
option *WebDavOption
secret security.SigningKey
filer *filer2.Filer
grpcDialOption grpc.DialOption
Handler *webdav.Handler
}
func NewWebDavServer(option *WebDavOption) (ws *WebDavServer, err error) {
fs, _ := NewWebDavFileSystem(option)
ws = &WebDavServer{
option: option,
grpcDialOption: security.LoadClientTLS(viper.Sub("grpc"), "filer"),
Handler: &webdav.Handler{
FileSystem: fs,
LockSystem: webdav.NewMemLS(),
Logger: func(r *http.Request, err error) {
litmus := r.Header.Get("X-Litmus")
if len(litmus) > 19 {
litmus = litmus[:16] + "..."
}
switch r.Method {
case "COPY", "MOVE":
dst := ""
if u, err := url.Parse(r.Header.Get("Destination")); err == nil {
dst = u.Path
}
glog.V(3).Infof("%-18s %s %s %v",
r.Method,
r.URL.Path,
dst,
err)
default:
glog.V(3).Infof("%-18s %s %v",
r.Method,
r.URL.Path,
err)
}
},
},
}
return ws, nil
}
// adapted from https://github.com/mattn/davfs/blob/master/plugin/mysql/mysql.go
type WebDavFileSystem struct {
option *WebDavOption
secret security.SigningKey
filer *filer2.Filer
grpcDialOption grpc.DialOption
}
type FileInfo struct {
name string
size int64
mode os.FileMode
modifiledTime time.Time
isDirectory bool
}
func (fi *FileInfo) Name() string { return fi.name }
func (fi *FileInfo) Size() int64 { return fi.size }
func (fi *FileInfo) Mode() os.FileMode { return fi.mode }
func (fi *FileInfo) ModTime() time.Time { return fi.modifiledTime }
func (fi *FileInfo) IsDir() bool { return fi.isDirectory }
func (fi *FileInfo) Sys() interface{} { return nil }
type WebDavFile struct {
fs *WebDavFileSystem
name string
isDirectory bool
off int64
entry *filer_pb.Entry
entryViewCache []filer2.VisibleInterval
}
func NewWebDavFileSystem(option *WebDavOption) (webdav.FileSystem, error) {
return &WebDavFileSystem{
option: option,
}, nil
}
func (fs *WebDavFileSystem) WithFilerClient(ctx context.Context, fn func(filer_pb.SeaweedFilerClient) error) error {
return util.WithCachedGrpcClient(ctx, func(grpcConnection *grpc.ClientConn) error {
client := filer_pb.NewSeaweedFilerClient(grpcConnection)
return fn(client)
}, fs.option.FilerGrpcAddress, fs.option.GrpcDialOption)
}
func clearName(name string) (string, error) {
slashed := strings.HasSuffix(name, "/")
name = path.Clean(name)
if !strings.HasSuffix(name, "/") && slashed {
name += "/"
}
if !strings.HasPrefix(name, "/") {
return "", os.ErrInvalid
}
return name, nil
}
func (fs *WebDavFileSystem) Mkdir(ctx context.Context, fullDirPath string, perm os.FileMode) error {
glog.V(2).Infof("WebDavFileSystem.Mkdir %v", fullDirPath)
if !strings.HasSuffix(fullDirPath, "/") {
fullDirPath += "/"
}
var err error
if fullDirPath, err = clearName(fullDirPath); err != nil {
return err
}
_, err = fs.stat(ctx, fullDirPath)
if err == nil {
return os.ErrExist
}
base := "/"
for _, elem := range strings.Split(strings.Trim(fullDirPath, "/"), "/") {
base += elem + "/"
_, err = fs.stat(ctx, base)
if err != os.ErrNotExist {
return err
}
err = fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
dir, name := filer2.FullPath(base).DirAndName()
request := &filer_pb.CreateEntryRequest{
Directory: dir,
Entry: &filer_pb.Entry{
Name: name,
IsDirectory: true,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(perm),
Uid: fs.option.Uid,
Gid: fs.option.Gid,
},
},
}
glog.V(1).Infof("mkdir: %v", request)
if _, err := client.CreateEntry(ctx, request); err != nil {
return fmt.Errorf("mkdir %s/%s: %v", dir, name, err)
}
return nil
})
if err != nil {
return err
}
}
return nil
}
func (fs *WebDavFileSystem) OpenFile(ctx context.Context, fullFilePath string, flag int, perm os.FileMode) (webdav.File, error) {
glog.V(2).Infof("WebDavFileSystem.OpenFile %v", fullFilePath)
var err error
if fullFilePath, err = clearName(fullFilePath); err != nil {
return nil, err
}
if flag&os.O_CREATE != 0 {
// file should not have / suffix.
if strings.HasSuffix(fullFilePath, "/") {
return nil, os.ErrInvalid
}
// based directory should be exists.
dir, _ := path.Split(fullFilePath)
_, err := fs.stat(ctx, dir)
if err != nil {
return nil, os.ErrInvalid
}
_, err = fs.stat(ctx, fullFilePath)
if err == nil {
if flag&os.O_EXCL != 0 {
return nil, os.ErrExist
}
fs.removeAll(ctx, fullFilePath)
}
dir, name := filer2.FullPath(fullFilePath).DirAndName()
err = fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
if _, err := client.CreateEntry(ctx, &filer_pb.CreateEntryRequest{
Directory: dir,
Entry: &filer_pb.Entry{
Name: name,
IsDirectory: perm&os.ModeDir > 0,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(perm),
Uid: fs.option.Uid,
Gid: fs.option.Gid,
Collection: fs.option.Collection,
Replication: "000",
TtlSec: 0,
},
},
}); err != nil {
return fmt.Errorf("create %s: %v", fullFilePath, err)
}
return nil
})
if err != nil {
return nil, err
}
return &WebDavFile{
fs: fs,
name: fullFilePath,
isDirectory: false,
}, nil
}
fi, err := fs.stat(ctx, fullFilePath)
if err != nil {
return nil, os.ErrNotExist
}
if !strings.HasSuffix(fullFilePath, "/") && fi.IsDir() {
fullFilePath += "/"
}
return &WebDavFile{
fs: fs,
name: fullFilePath,
isDirectory: false,
}, nil
}
func (fs *WebDavFileSystem) removeAll(ctx context.Context, fullFilePath string) error {
var err error
if fullFilePath, err = clearName(fullFilePath); err != nil {
return err
}
fi, err := fs.stat(ctx, fullFilePath)
if err != nil {
return err
}
if fi.IsDir() {
//_, err = fs.db.Exec(`delete from filesystem where fullFilePath like $1 escape '\'`, strings.Replace(fullFilePath, `%`, `\%`, -1)+`%`)
} else {
//_, err = fs.db.Exec(`delete from filesystem where fullFilePath = ?`, fullFilePath)
}
dir, name := filer2.FullPath(fullFilePath).DirAndName()
err = fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.DeleteEntryRequest{
Directory: dir,
Name: name,
IsDeleteData: true,
}
glog.V(3).Infof("removing entry: %v", request)
_, err := client.DeleteEntry(ctx, request)
if err != nil {
return fmt.Errorf("remove %s: %v", fullFilePath, err)
}
return nil
})
return err
}
func (fs *WebDavFileSystem) RemoveAll(ctx context.Context, name string) error {
glog.V(2).Infof("WebDavFileSystem.RemoveAll %v", name)
return fs.removeAll(ctx, name)
}
func (fs *WebDavFileSystem) Rename(ctx context.Context, oldName, newName string) error {
glog.V(2).Infof("WebDavFileSystem.Rename %v to %v", oldName, newName)
var err error
if oldName, err = clearName(oldName); err != nil {
return err
}
if newName, err = clearName(newName); err != nil {
return err
}
of, err := fs.stat(ctx, oldName)
if err != nil {
return os.ErrExist
}
if of.IsDir() && !strings.HasSuffix(oldName, "/") {
oldName += "/"
newName += "/"
}
_, err = fs.stat(ctx, newName)
if err == nil {
return os.ErrExist
}
oldDir, oldBaseName := filer2.FullPath(oldName).DirAndName()
newDir, newBaseName := filer2.FullPath(newName).DirAndName()
return fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AtomicRenameEntryRequest{
OldDirectory: oldDir,
OldName: oldBaseName,
NewDirectory: newDir,
NewName: newBaseName,
}
_, err := client.AtomicRenameEntry(ctx, request)
if err != nil {
return fmt.Errorf("renaming %s/%s => %s/%s: %v", oldDir, oldBaseName, newDir, newBaseName, err)
}
return nil
})
}
func (fs *WebDavFileSystem) stat(ctx context.Context, fullFilePath string) (os.FileInfo, error) {
var err error
if fullFilePath, err = clearName(fullFilePath); err != nil {
return nil, err
}
var fi FileInfo
entry, err := filer2.GetEntry(ctx, fs, fullFilePath)
if err != nil {
return nil, err
}
fi.size = int64(filer2.TotalSize(entry.GetChunks()))
fi.name = fullFilePath
fi.mode = os.FileMode(entry.Attributes.FileMode)
fi.modifiledTime = time.Unix(entry.Attributes.Mtime, 0)
fi.isDirectory = entry.IsDirectory
_, fi.name = path.Split(path.Clean(fi.name))
if fi.name == "" {
fi.name = "/"
fi.modifiledTime = time.Now()
fi.isDirectory = true
}
return &fi, nil
}
func (fs *WebDavFileSystem) Stat(ctx context.Context, name string) (os.FileInfo, error) {
glog.V(2).Infof("WebDavFileSystem.Stat %v", name)
return fs.stat(ctx, name)
}
func (f *WebDavFile) Write(buf []byte) (int, error) {
glog.V(2).Infof("WebDavFileSystem.Write %v", f.name)
var err error
ctx := context.Background()
if f.entry == nil {
f.entry, err = filer2.GetEntry(ctx, f.fs, f.name)
}
if err != nil {
return 0, err
}
var fileId, host string
var auth security.EncodedJwt
if err = f.fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
request := &filer_pb.AssignVolumeRequest{
Count: 1,
Replication: "000",
Collection: f.fs.option.Collection,
}
resp, err := client.AssignVolume(ctx, request)
if err != nil {
glog.V(0).Infof("assign volume failure %v: %v", request, err)
return err
}
fileId, host, auth = resp.FileId, resp.Url, security.EncodedJwt(resp.Auth)
return nil
}); err != nil {
return 0, fmt.Errorf("filerGrpcAddress assign volume: %v", err)
}
fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
bufReader := bytes.NewReader(buf)
uploadResult, err := operation.Upload(fileUrl, f.name, bufReader, false, "application/octet-stream", nil, auth)
if err != nil {
glog.V(0).Infof("upload data %v to %s: %v", f.name, fileUrl, err)
return 0, fmt.Errorf("upload data: %v", err)
}
if uploadResult.Error != "" {
glog.V(0).Infof("upload failure %v to %s: %v", f.name, fileUrl, err)
return 0, fmt.Errorf("upload result: %v", uploadResult.Error)
}
chunk := &filer_pb.FileChunk{
FileId: fileId,
Offset: f.off,
Size: uint64(len(buf)),
Mtime: time.Now().UnixNano(),
ETag: uploadResult.ETag,
}
f.entry.Chunks = append(f.entry.Chunks, chunk)
dir, _ := filer2.FullPath(f.name).DirAndName()
err = f.fs.WithFilerClient(ctx, func(client filer_pb.SeaweedFilerClient) error {
f.entry.Attributes.Mtime = time.Now().Unix()
request := &filer_pb.UpdateEntryRequest{
Directory: dir,
Entry: f.entry,
}
if _, err := client.UpdateEntry(ctx, request); err != nil {
return fmt.Errorf("update %s: %v", f.name, err)
}
return nil
})
if err !=nil {
f.off += int64(len(buf))
}
return len(buf), err
}
func (f *WebDavFile) Close() error {
glog.V(2).Infof("WebDavFileSystem.Close %v", f.name)
if f.entry != nil {
f.entry = nil
f.entryViewCache = nil
}
return nil
}
func (f *WebDavFile) Read(p []byte) (readSize int, err error) {
glog.V(2).Infof("WebDavFileSystem.Read %v", f.name)
ctx := context.Background()
if f.entry == nil {
f.entry, err = filer2.GetEntry(ctx, f.fs, f.name)
}
if err != nil {
return 0, err
}
if len(f.entry.Chunks) == 0 {
return 0, io.EOF
}
if f.entryViewCache == nil {
f.entryViewCache = filer2.NonOverlappingVisibleIntervals(f.entry.Chunks)
}
chunkViews := filer2.ViewFromVisibleIntervals(f.entryViewCache, f.off, len(p))
totalRead, err := filer2.ReadIntoBuffer(ctx, f.fs, f.name, p, chunkViews, f.off)
if err != nil {
return 0, err
}
readSize = int(totalRead)
f.off += totalRead
if readSize == 0 {
return 0, io.EOF
}
return
}
func (f *WebDavFile) Readdir(count int) (ret []os.FileInfo, err error) {
glog.V(2).Infof("WebDavFileSystem.Readdir %v count %d", f.name, count)
ctx := context.Background()
dir := f.name
if dir != "/" && strings.HasSuffix(dir, "/") {
dir = dir[:len(dir)-1]
}
err = filer2.ReadDirAllEntries(ctx, f.fs, dir, func(entry *filer_pb.Entry) {
fi := FileInfo{
size: int64(filer2.TotalSize(entry.GetChunks())),
name: entry.Name,
mode: os.FileMode(entry.Attributes.FileMode),
modifiledTime: time.Unix(entry.Attributes.Mtime, 0),
isDirectory: entry.IsDirectory,
}
if !strings.HasSuffix(fi.name, "/") && fi.IsDir() {
fi.name += "/"
}
glog.V(4).Infof("entry: %v", fi.name)
ret = append(ret, &fi)
})
old := f.off
if old >= int64(len(ret)) {
if count > 0 {
return nil, io.EOF
}
return nil, nil
}
if count > 0 {
f.off += int64(count)
if f.off > int64(len(ret)) {
f.off = int64(len(ret))
}
} else {
f.off = int64(len(ret))
old = 0
}
return ret[old:f.off], nil
}
func (f *WebDavFile) Seek(offset int64, whence int) (int64, error) {
glog.V(2).Infof("WebDavFile.Seek %v %v %v", f.name, offset, whence)
ctx := context.Background()
var err error
switch whence {
case 0:
f.off = 0
case 2:
if fi, err := f.fs.stat(ctx, f.name); err != nil {
return 0, err
} else {
f.off = fi.Size()
}
}
f.off += offset
return f.off, err
}
func (f *WebDavFile) Stat() (os.FileInfo, error) {
glog.V(2).Infof("WebDavFile.Stat %v", f.name)
ctx := context.Background()
return f.fs.stat(ctx, f.name)
}