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b471b7e835
- The mime middleware used filepath where it should arguably use path. - Changed the configuration to use a map instead of scanning an array during every request. The map is static (after configuration), so should be fine for concurrent access. - Catch duplicate extensions within a configuration and error out. - Add tests for new error case.
32 lines
769 B
Go
32 lines
769 B
Go
package mime
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import (
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"net/http"
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"path"
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"github.com/mholt/caddy/middleware"
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)
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// Config represent a mime config. Map from extension to mime-type.
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// Note, this should be safe with concurrent read access, as this is
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// not modified concurrently.
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type Config map[string]string
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// Mime sets Content-Type header of requests based on configurations.
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type Mime struct {
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Next middleware.Handler
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Configs Config
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}
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// ServeHTTP implements the middleware.Handler interface.
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func (e Mime) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
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// Get a clean /-path, grab the extension
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ext := path.Ext(path.Clean(r.URL.Path))
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if contentType, ok := e.Configs[ext]; ok {
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w.Header().Set("Content-Type", contentType)
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}
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return e.Next.ServeHTTP(w, r)
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}
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