cloudflare/cloudflared
Publicmirrored from https://github.com/cloudflare/cloudflaredAvailable
connection/header.go
33lines · modecode
| 1 | package connection |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "net/http" |
| 6 | |
| 7 | "github.com/cloudflare/cloudflared/h2mux" |
| 8 | ) |
| 9 | |
| 10 | const ( |
| 11 | responseMetaHeaderField = "cf-cloudflared-response-meta" |
| 12 | responseSourceCloudflared = "cloudflared" |
| 13 | responseSourceOrigin = "origin" |
| 14 | ) |
| 15 | |
| 16 | var ( |
| 17 | canonicalResponseUserHeadersField = http.CanonicalHeaderKey(h2mux.ResponseUserHeadersField) |
| 18 | canonicalResponseMetaHeaderField = http.CanonicalHeaderKey(responseMetaHeaderField) |
| 19 | responseMetaHeaderCfd = mustInitRespMetaHeader(responseSourceCloudflared) |
| 20 | responseMetaHeaderOrigin = mustInitRespMetaHeader(responseSourceOrigin) |
| 21 | ) |
| 22 | |
| 23 | type responseMetaHeader struct { |
| 24 | Source string `json:"src"` |
| 25 | } |
| 26 | |
| 27 | func mustInitRespMetaHeader(src string) string { |
| 28 | header, err := json.Marshal(responseMetaHeader{Source: src}) |
| 29 | if err != nil { |
| 30 | panic(fmt.Sprintf("Failed to serialize response meta header = %s, err: %v", responseSourceCloudflared, err)) |
| 31 | } |
| 32 | return string(header) |
| 33 | } |
| 34 | |