syncthing/lib/protocol/nativemodel_windows.go

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