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23 lines
454 B
Go
23 lines
454 B
Go
package utils
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import (
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"fmt"
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"path/filepath"
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)
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func inTrustedRoot(path string, trustedRoot string) error {
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for path != "/" {
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path = filepath.Dir(path)
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if path == trustedRoot {
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return nil
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}
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}
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return fmt.Errorf("path is outside of trusted root")
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}
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// VerifyPath verifies that path is based in basePath.
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func VerifyPath(path, basePath string) error {
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c := filepath.Clean(filepath.Join(basePath, path))
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return inTrustedRoot(c, basePath)
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}
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