cloudflared-mirror/connection/header.go

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package connection
import (
"fmt"
"net/http"
"github.com/cloudflare/cloudflared/h2mux"
)
const (
responseMetaHeaderField = "cf-cloudflared-response-meta"
)
var (
canonicalResponseUserHeadersField = http.CanonicalHeaderKey(h2mux.ResponseUserHeadersField)
canonicalResponseMetaHeaderField = http.CanonicalHeaderKey(responseMetaHeaderField)
responseMetaHeaderCfd = mustInitRespMetaHeader("cloudflared")
responseMetaHeaderOrigin = mustInitRespMetaHeader("origin")
)
type responseMetaHeader struct {
Source string `json:"src"`
}
func mustInitRespMetaHeader(src string) string {
header, err := json.Marshal(responseMetaHeader{Source: src})
if err != nil {
panic(fmt.Sprintf("Failed to serialize response meta header = %s, err: %v", src, err))
}
return string(header)
}