21 lines
355 B
Go
21 lines
355 B
Go
package proxy
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import (
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"net"
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"net/http"
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)
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var xForwardedHost = http.CanonicalHeaderKey("X-Forwarded-Host")
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func getHost(req *http.Request) string {
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host := req.Host
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if req.Header.Get(xForwardedHost) != "" {
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host = req.Header.Get(xForwardedHost)
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}
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hostOnly, _, err := net.SplitHostPort(host)
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if err != nil {
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return host
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}
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return hostOnly
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}
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