37 lines
575 B
Go
37 lines
575 B
Go
package neutered_filesystem
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import (
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"io/fs"
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"path/filepath"
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)
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type NeuteredFileSystem struct {
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fs fs.FS
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}
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func New(fs fs.FS) NeuteredFileSystem {
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return NeuteredFileSystem{fs}
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}
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func (nfs NeuteredFileSystem) Open(name string) (fs.File, error) {
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f, err := nfs.fs.Open(name)
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if err != nil {
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return nil, err
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}
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s, err := f.Stat()
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if s.IsDir() {
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index := filepath.Join(name, "index.html")
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if _, err := nfs.fs.Open(index); err != nil {
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closeErr := f.Close()
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if closeErr != nil {
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return nil, closeErr
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}
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return nil, err
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}
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}
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return f, nil
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}
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