syncthing/lib/fs/filesystem_test.go

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// Copyright (C) 2017 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package fs
import (
"path/filepath"
"testing"
)
func TestIsInternal(t *testing.T) {
cases := []struct {
file string
internal bool
}{
{".stfolder", true},
{".stignore", true},
{".stversions", true},
{".stfolder/foo", true},
{".stignore/foo", true},
{".stversions/foo", true},
{".stfolderfoo", false},
{".stignorefoo", false},
{".stversionsfoo", false},
{"foo.stfolder", false},
{"foo.stignore", false},
{"foo.stversions", false},
{"foo/.stfolder", false},
{"foo/.stignore", false},
{"foo/.stversions", false},
}
for _, tc := range cases {
res := IsInternal(filepath.FromSlash(tc.file))
if res != tc.internal {
t.Errorf("Unexpected result: IsInteral(%q): %v should be %v", tc.file, res, tc.internal)
}
}
}
func TestCanonicalize(t *testing.T) {
type testcase struct {
path string
expected string
ok bool
}
cases := []testcase{
// Valid cases
{"/bar", "bar", true},
{"/bar/baz", "bar/baz", true},
{"bar", "bar", true},
{"bar/baz", "bar/baz", true},
// Not escape attempts, but oddly formatted relative paths
{"", ".", true},
{"/", ".", true},
{"/..", ".", true},
{"./bar", "bar", true},
{"./bar/baz", "bar/baz", true},
{"bar/../baz", "baz", true},
{"/bar/../baz", "baz", true},
{"./bar/../baz", "baz", true},
// Results in an allowed path, but does it by probing. Disallowed.
{"../foo", "", false},
{"../foo/bar", "", false},
{"../foo/bar", "", false},
{"../../baz/foo/bar", "", false},
{"bar/../../foo/bar", "", false},
{"bar/../../../baz/foo/bar", "", false},
// Escape attempts.
{"..", "", false},
{"../", "", false},
{"../bar", "", false},
{"../foobar", "", false},
{"bar/../../quux/baz", "", false},
}
for _, tc := range cases {
res, err := Canonicalize(tc.path)
if tc.ok {
if err != nil {
t.Errorf("Unexpected error for Canonicalize(%q): %v", tc.path, err)
continue
}
exp := filepath.FromSlash(tc.expected)
if res != exp {
t.Errorf("Unexpected result for Canonicalize(%q): %q != expected %q", tc.path, res, exp)
}
} else if err == nil {
t.Errorf("Unexpected pass for Canonicalize(%q) => %q", tc.path, res)
continue
}
}
}