136 lines
2.5 KiB
Go
136 lines
2.5 KiB
Go
package s3
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import (
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"context"
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"encoding/hex"
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"fmt"
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"io"
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"os"
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"path"
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"strings"
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"github.com/rclone/gofakes3"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/hash"
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"github.com/rclone/rclone/vfs"
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)
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func getDirEntries(prefix string, VFS *vfs.VFS) (vfs.Nodes, error) {
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node, err := VFS.Stat(prefix)
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if err == vfs.ENOENT {
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return nil, gofakes3.ErrNoSuchKey
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} else if err != nil {
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return nil, err
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}
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if !node.IsDir() {
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return nil, gofakes3.ErrNoSuchKey
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}
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dir := node.(*vfs.Dir)
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dirEntries, err := dir.ReadDirAll()
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if err != nil {
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return nil, err
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}
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return dirEntries, nil
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}
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func getFileHashByte(node interface{}) []byte {
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b, err := hex.DecodeString(getFileHash(node))
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if err != nil {
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return nil
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}
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return b
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}
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func getFileHash(node interface{}) string {
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var o fs.Object
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switch b := node.(type) {
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case vfs.Node:
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fsObj, ok := b.DirEntry().(fs.Object)
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if !ok {
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fs.Debugf("serve s3", "File uploading - reading hash from VFS cache")
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in, err := b.Open(os.O_RDONLY)
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if err != nil {
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return ""
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}
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defer func() {
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_ = in.Close()
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}()
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h, err := hash.NewMultiHasherTypes(hash.NewHashSet(Opt.hashType))
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if err != nil {
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return ""
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}
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_, err = io.Copy(h, in)
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if err != nil {
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return ""
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}
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return h.Sums()[Opt.hashType]
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}
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o = fsObj
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case fs.Object:
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o = b
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}
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hash, err := o.Hash(context.Background(), Opt.hashType)
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if err != nil {
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return ""
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}
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return hash
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}
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func prefixParser(p *gofakes3.Prefix) (path, remaining string) {
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idx := strings.LastIndexByte(p.Prefix, '/')
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if idx < 0 {
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return "", p.Prefix
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}
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return p.Prefix[:idx], p.Prefix[idx+1:]
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}
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// FIXME this could be implemented by VFS.MkdirAll()
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func mkdirRecursive(path string, VFS *vfs.VFS) error {
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path = strings.Trim(path, "/")
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dirs := strings.Split(path, "/")
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dir := ""
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for _, d := range dirs {
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dir += "/" + d
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if _, err := VFS.Stat(dir); err != nil {
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err := VFS.Mkdir(dir, 0777)
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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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}
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return nil
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}
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func rmdirRecursive(p string, VFS *vfs.VFS) {
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dir := path.Dir(p)
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if !strings.ContainsAny(dir, "/\\") {
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// might be bucket(root)
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return
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}
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if _, err := VFS.Stat(dir); err == nil {
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err := VFS.Remove(dir)
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if err != nil {
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return
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}
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rmdirRecursive(dir, VFS)
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}
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}
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func authlistResolver(list []string) map[string]string {
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authList := make(map[string]string)
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for _, v := range list {
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parts := strings.Split(v, ",")
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if len(parts) != 2 {
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fs.Infof(nil, fmt.Sprintf("Ignored: invalid auth pair %s", v))
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continue
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}
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authList[parts[0]] = parts[1]
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}
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return authList
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}
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