35 lines
923 B
Go
35 lines
923 B
Go
package streamhandler
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import (
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"net/http"
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"net/url"
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"strings"
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"github.com/cloudflare/cloudflared/h2mux"
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"github.com/pkg/errors"
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)
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const (
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lbProbeUserAgentPrefix = "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/;"
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)
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func FindCfRayHeader(h1 *http.Request) string {
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return h1.Header.Get("Cf-Ray")
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}
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func IsLBProbeRequest(req *http.Request) bool {
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return strings.HasPrefix(req.UserAgent(), lbProbeUserAgentPrefix)
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}
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func createRequest(stream *h2mux.MuxedStream, url *url.URL) (*http.Request, error) {
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req, err := http.NewRequest(http.MethodGet, url.String(), h2mux.MuxedStreamReader{MuxedStream: stream})
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if err != nil {
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return nil, errors.Wrap(err, "unexpected error from http.NewRequest")
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}
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err = h2mux.H2RequestHeadersToH1Request(stream.Headers, req)
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if err != nil {
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return nil, errors.Wrap(err, "invalid request received")
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}
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return req, nil
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}
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