13 lines
		
	
	
		
			246 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			246 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package proxy
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| 
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| import "net/http"
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| 
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| var xForwardedHost = http.CanonicalHeaderKey("X-Forwarded-Host")
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| 
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| func getHost(req *http.Request) string {
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| 	if req.Header.Get(xForwardedHost) != "" {
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| 		return req.Header.Get(xForwardedHost)
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| 	}
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| 	return req.Host
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| }
 | 
