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43 lines
944 B
Go
43 lines
944 B
Go
package gin
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import (
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"net/http"
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"os"
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)
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type (
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onlyfilesFS struct {
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fs http.FileSystem
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}
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neuteredReaddirFile struct {
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http.File
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}
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)
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// Dir returns a http.Filesystem that can be used by http.FileServer(). It is used interally
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// in router.Static().
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// if listDirectory == true, then it works the same as http.Dir() otherwise it returns
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// a filesystem that prevents http.FileServer() to list the directory files.
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func Dir(root string, listDirectory bool) http.FileSystem {
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fs := http.Dir(root)
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if listDirectory {
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return fs
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}
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return &onlyfilesFS{fs}
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}
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// Conforms to http.Filesystem
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func (fs onlyfilesFS) Open(name string) (http.File, error) {
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f, err := fs.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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return neuteredReaddirFile{f}, nil
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}
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// Overrides the http.File default implementation
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func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
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// this disables directory listing
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return nil, nil
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}
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