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|
package caddyhttp
import (
"net/url"
"path/filepath"
"runtime"
"testing"
)
func TestSanitizedPathJoin(t *testing.T) {
// For reference:
// %2e = .
// %2f = /
// %5c = \
for i, tc := range []struct {
inputRoot string
inputPath string
expect string
expectWindows string
}{
{
inputPath: "",
expect: ".",
},
{
inputPath: "/",
expect: ".",
},
{
inputPath: "/foo",
expect: "foo",
},
{
inputPath: "/foo/",
expect: "foo" + separator,
},
{
inputPath: "/foo/bar",
expect: filepath.Join("foo", "bar"),
},
{
inputRoot: "/a",
inputPath: "/foo/bar",
expect: filepath.Join("/", "a", "foo", "bar"),
},
{
inputPath: "/foo/../bar",
expect: "bar",
},
{
inputRoot: "/a/b",
inputPath: "/foo/../bar",
expect: filepath.Join("/", "a", "b", "bar"),
},
{
inputRoot: "/a/b",
inputPath: "/..%2fbar",
expect: filepath.Join("/", "a", "b", "bar"),
},
{
inputRoot: "/a/b",
inputPath: "/%2e%2e%2fbar",
expect: filepath.Join("/", "a", "b", "bar"),
},
{
inputRoot: "/a/b",
inputPath: "/%2e%2e%2f%2e%2e%2f",
expect: "/a/b", // inputPath fails the IsLocal test so only the root is returned
},
{
inputRoot: "/a/b",
inputPath: "/foo%2fbar",
expect: filepath.Join("/", "a", "b", "foo", "bar"),
},
{
inputRoot: "/a/b",
inputPath: "/foo%252fbar",
expect: filepath.Join("/", "a", "b", "foo%2fbar"),
},
{
inputRoot: "C:\\www",
inputPath: "/foo/bar",
expect: filepath.Join("C:\\www", "foo", "bar"),
},
{
inputRoot: "C:\\www",
inputPath: "/D:\\foo\\bar",
expect: filepath.Join("C:\\www", "D:\\foo\\bar"),
expectWindows: filepath.Join("C:\\www"), // inputPath fails IsLocal on Windows
},
{
// https://github.com/golang/go/issues/56336#issuecomment-1416214885
inputRoot: "root",
inputPath: "/a/b/../../c",
expect: filepath.Join("root", "c"),
},
} {
// we don't *need* to use an actual parsed URL, but it
// adds some authenticity to the tests since real-world
// values will be coming in from URLs; thus, the test
// corpus can contain paths as encoded by clients, which
// more closely emulates the actual attack vector
u, err := url.Parse("http://test:9999" + tc.inputPath)
if err != nil {
t.Fatalf("Test %d: invalid URL: %v", i, err)
}
actual := SanitizedPathJoin(tc.inputRoot, u.Path)
if runtime.GOOS == "windows" && tc.expectWindows != "" {
tc.expect = tc.expectWindows
}
if actual != tc.expect {
t.Errorf("Test %d: SanitizedPathJoin('%s', '%s') => '%s' (expected '%s')",
i, tc.inputRoot, tc.inputPath, actual, tc.expect)
}
}
}
func TestCleanPath(t *testing.T) {
for i, tc := range []struct {
input string
mergeSlashes bool
expect string
}{
{
input: "/foo",
expect: "/foo",
},
{
input: "/foo/",
expect: "/foo/",
},
{
input: "//foo",
expect: "//foo",
},
{
input: "//foo",
mergeSlashes: true,
expect: "/foo",
},
{
input: "/foo//bar/",
mergeSlashes: true,
expect: "/foo/bar/",
},
{
input: "/foo/./.././bar",
expect: "/bar",
},
{
input: "/foo//./..//./bar",
expect: "/foo//bar",
},
{
input: "/foo///./..//./bar",
expect: "/foo///bar",
},
{
input: "/foo///./..//.",
expect: "/foo//",
},
{
input: "/foo//./bar",
expect: "/foo//bar",
},
} {
actual := CleanPath(tc.input, tc.mergeSlashes)
if actual != tc.expect {
t.Errorf("Test %d [input='%s' mergeSlashes=%t]: Got '%s', expected '%s'",
i, tc.input, tc.mergeSlashes, actual, tc.expect)
}
}
}
|
