Remove GAP-Auth header usage

pkg/upstream/http.go

@@ -36,7 +36,6 @@ var SignatureHeaders = []string{
 	"X-Forwarded-Preferred-User",
 	"X-Forwarded-Access-Token",
 	"Cookie",
-	"Gap-Auth",
 }
 
 // newHTTPUpstreamProxy creates a new httpUpstreamProxy that can serve requests
@@ -85,7 +84,6 @@ func (h *httpUpstreamProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request)
 	scope.Upstream = h.upstream
 
 	if h.auth != nil {
-		req.Header.Set("GAP-Auth", rw.Header().Get("GAP-Auth"))
 		h.auth.SignRequest(req)
 	}
 	if h.wsHandler != nil && strings.EqualFold(req.Header.Get("Connection"), "upgrade") && req.Header.Get("Upgrade") == "websocket" {

pkg/upstream/http_test.go

@@ -226,8 +226,7 @@ var _ = Describe("HTTP Upstream Suite", func() {
 					Method: "GET",
 					URL:    "http://example.localhost/withSignature",
 					Header: map[string][]string{
-						gapAuth:      {""},
-						gapSignature: {"sha256 osMWI8Rr0Zr5HgNq6wakrgJITVJQMmFN1fXCesrqrmM="},
+						gapSignature: {"sha256 md39qRfodR3ya5kMZxDS5nMXtG3BZoh4DUTkrXqLtow="},
 					},
 					Body:       []byte{},
 					Host:       "example.localhost",

pkg/upstream/proxy_test.go

@@ -123,8 +123,7 @@ var _ = Describe("Proxy Suite", func() {
 					Method: "GET",
 					URL:    "http://example.localhost/http/1234",
 					Header: map[string][]string{
-						"Gap-Auth":      {""},
-						"Gap-Signature": {"sha256 ofB1u6+FhEUbFLc3/uGbJVkl7GaN4egFqVvyO3+2I1w="},
+						"Gap-Signature": {"sha256 yu9y53XTRAnczM51Nv6LAbeU2mI577iUPeK8zHuY9MM="},
 					},
 					Body:       []byte{},
 					Host:       "example.localhost",

pkg/upstream/upstream_suite_test.go

@@ -58,7 +58,6 @@ const (
 	acceptEncoding  = "Accept-Encoding"
 	applicationJSON = "application/json"
 	textPlainUTF8   = "text/plain; charset=utf-8"
-	gapAuth         = "Gap-Auth"
 	gapSignature    = "Gap-Signature"
 )