49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package util
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import (
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"net/http"
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middlewareapi "github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/middleware"
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)
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// GetRequestProto returns the request scheme or X-Forwarded-Proto if present
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// and the request is proxied.
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func GetRequestProto(req *http.Request) string {
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proto := req.Header.Get("X-Forwarded-Proto")
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if !IsProxied(req) || proto == "" {
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proto = req.URL.Scheme
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}
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return proto
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}
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// GetRequestHost returns the request host header or X-Forwarded-Host if
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// present and the request is proxied.
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func GetRequestHost(req *http.Request) string {
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host := req.Header.Get("X-Forwarded-Host")
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if !IsProxied(req) || host == "" {
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host = req.Host
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}
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return host
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}
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// GetRequestURI return the request URI or X-Forwarded-Uri if present and the
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// request is proxied.
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func GetRequestURI(req *http.Request) string {
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uri := req.Header.Get("X-Forwarded-Uri")
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if !IsProxied(req) || uri == "" {
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// Use RequestURI to preserve ?query
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uri = req.URL.RequestURI()
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}
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return uri
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}
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// IsProxied determines if a request was from a proxy based on the RequestScope
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// ReverseProxy tracker.
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func IsProxied(req *http.Request) bool {
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scope := middlewareapi.GetRequestScope(req)
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if scope == nil {
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return false
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}
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return scope.ReverseProxy
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}
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