mirror of
https://github.com/restic/restic.git
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74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
package serve
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import (
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"io"
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"os"
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"github.com/restic/restic/internal/debug"
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"github.com/restic/restic/internal/restic"
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"golang.org/x/net/webdav"
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)
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// RepoDir implements a read-only directory from a repository.
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type RepoDir struct {
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fi os.FileInfo
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nodes []*restic.Node
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}
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// statically ensure that RepoDir implements webdav.File
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var _ webdav.File = &RepoDir{}
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func (f *RepoDir) Write(p []byte) (int, error) {
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return 0, webdav.ErrForbidden
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}
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// Close closes the repo file.
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func (f *RepoDir) Close() error {
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debug.Log("")
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return nil
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}
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// Read reads up to len(p) byte from the file.
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func (f *RepoDir) Read(p []byte) (int, error) {
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debug.Log("")
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return 0, io.EOF
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}
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// Seek sets the offset for the next Read or Write to offset, interpreted
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// according to whence: SeekStart means relative to the start of the file,
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// SeekCurrent means relative to the current offset, and SeekEnd means relative
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// to the end. Seek returns the new offset relative to the start of the file
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// and an error, if any.
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func (f *RepoDir) Seek(offset int64, whence int) (int64, error) {
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debug.Log("")
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return 0, webdav.ErrForbidden
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}
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// Readdir reads the contents of the directory associated with file and returns
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// a slice of up to n FileInfo values, as would be returned by Lstat, in
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// directory order. Subsequent calls on the same file will yield further
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// FileInfos.
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//
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// If n > 0, Readdir returns at most n FileInfo structures. In this case, if
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// Readdir returns an empty slice, it will return a non-nil error explaining
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// why. At the end of a directory, the error is io.EOF.
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//
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// If n <= 0, Readdir returns all the FileInfo from the directory in a single
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// slice. In this case, if Readdir succeeds (reads all the way to the end of
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// the directory), it returns the slice and a nil error. If it encounters an
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// error before the end of the directory, Readdir returns the FileInfo read
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// until that point and a non-nil error.
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func (f *RepoDir) Readdir(count int) (entries []os.FileInfo, err error) {
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debug.Log("count %d, %d nodes", count, len(f.nodes))
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entries = make([]os.FileInfo, 0, len(f.nodes))
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for _, node := range f.nodes {
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entries = append(entries, fileInfoFromNode(node))
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}
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return entries, nil
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}
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// Stat returns a FileInfo describing the named file.
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func (f *RepoDir) Stat() (os.FileInfo, error) {
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return f.fi, nil
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}
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