84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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//go: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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"log/slog"
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"path/filepath"
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"strings"
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"github.com/syncthing/syncthing/internal/slogutil"
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)
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func makeNative(m rawModel) rawModel { return nativeModel{m} }
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type nativeModel struct {
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rawModel
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}
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func (m nativeModel) Index(idx *Index) error {
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idx.Files = fixupFiles(idx.Files)
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return m.rawModel.Index(idx)
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}
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func (m nativeModel) IndexUpdate(idxUp *IndexUpdate) error {
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idxUp.Files = fixupFiles(idxUp.Files)
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return m.rawModel.IndexUpdate(idxUp)
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}
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func (m nativeModel) Request(req *Request) (RequestResponse, error) {
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if strings.Contains(req.Name, `\`) {
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slog.Debug("Dropping request containing invalid path separator", slogutil.FilePath(req.Name))
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return nil, ErrNoSuchFile
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}
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req.Name = filepath.FromSlash(req.Name)
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return m.rawModel.Request(req)
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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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if files[i].Deleted {
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// Dropping a deleted item doesn't have any consequences.
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slog.Debug("Dropping index entry containing invalid path separator", slogutil.FilePath(files[i].Name))
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} else {
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slog.Error("Dropping index entry containing invalid path separator", slogutil.FilePath(files[i].Name))
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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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