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81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package fileserver
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import (
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"net/url"
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"testing"
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)
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func TestSanitizedPathJoin(t *testing.T) {
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// For easy reference:
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// %2E = .
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// %2F = /
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// %5C = \
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for i, tc := range []struct {
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inputRoot string
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inputPath string
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expect string
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}{
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{
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inputPath: "",
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expect: ".",
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},
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{
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inputPath: "/",
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expect: ".",
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},
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{
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inputPath: "/foo",
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expect: "foo",
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},
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{
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inputPath: "/foo/bar",
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expect: "foo/bar",
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},
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{
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inputRoot: "/a",
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inputPath: "/foo/bar",
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expect: "/a/foo/bar",
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},
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{
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inputPath: "/foo/../bar",
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expect: "bar",
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},
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{
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inputRoot: "/a/b",
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inputPath: "/foo/../bar",
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expect: "/a/b/bar",
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},
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{
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inputRoot: "/a/b",
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inputPath: "/..%2fbar",
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expect: "/a/b/bar",
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},
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{
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inputRoot: "/a/b",
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inputPath: "/%2e%2e%2fbar",
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expect: "/a/b/bar",
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},
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{
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inputRoot: "/a/b",
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inputPath: "/%2e%2e%2f%2e%2e%2f",
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expect: "/a/b",
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},
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// TODO: test windows paths... on windows... sigh.
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} {
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// we don't *need* to use an actual parsed URL, but it
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// adds some authenticity to the tests since real-world
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// values will be coming in from URLs; thus, the test
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// corpus can contain paths as encoded by clients, which
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// more closely emulates the actual attack vector
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u, err := url.Parse("http://test:9999" + tc.inputPath)
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if err != nil {
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t.Fatalf("Test %d: invalid URL: %v", i, err)
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}
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actual := sanitizedPathJoin(tc.inputRoot, u.Path)
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if actual != tc.expect {
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t.Errorf("Test %d: [%s %s] => %s (expected %s)", i, tc.inputRoot, tc.inputPath, actual, tc.expect)
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}
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}
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}
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// TODO: test fileHidden
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