78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright (C) 2014 The Protocol Authors.
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//go:build windows
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// +build windows
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package protocol
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// Windows uses backslashes as file separator
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import (
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"fmt"
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"path/filepath"
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"strings"
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)
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type nativeModel struct {
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Model
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}
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func (m nativeModel) Index(deviceID DeviceID, folder string, files []FileInfo) error {
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files = fixupFiles(files)
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return m.Model.Index(deviceID, folder, files)
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}
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func (m nativeModel) IndexUpdate(deviceID DeviceID, folder string, files []FileInfo) error {
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files = fixupFiles(files)
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return m.Model.IndexUpdate(deviceID, folder, files)
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}
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func (m nativeModel) Request(deviceID DeviceID, folder, name string, blockNo, size int32, offset int64, hash []byte, weakHash uint32, fromTemporary bool) (RequestResponse, error) {
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if strings.Contains(name, `\`) {
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l.Warnf("Dropping request for %s, contains invalid path separator", name)
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return nil, ErrNoSuchFile
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}
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name = filepath.FromSlash(name)
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return m.Model.Request(deviceID, folder, name, blockNo, size, offset, hash, weakHash, fromTemporary)
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}
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func fixupFiles(files []FileInfo) []FileInfo {
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var out []FileInfo
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for i := range files {
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if strings.Contains(files[i].Name, `\`) {
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msg := fmt.Sprintf("Dropping index entry for %s, contains invalid path separator", files[i].Name)
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if files[i].Deleted {
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// Dropping a deleted item doesn't have any consequences.
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l.Debugln(msg)
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} else {
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l.Warnln(msg)
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}
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if out == nil {
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// Most incoming updates won't contain anything invalid, so
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// we delay the allocation and copy to output slice until we
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// really need to do it, then copy all the so-far valid
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// files to it.
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out = make([]FileInfo, i, len(files)-1)
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copy(out, files)
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}
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continue
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}
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// Fixup the path separators
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files[i].Name = filepath.FromSlash(files[i].Name)
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if out != nil {
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out = append(out, files[i])
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}
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}
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if out != nil {
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// We did some filtering
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return out
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}
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// Unchanged
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return files
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}
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