62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package headers
|
|
|
|
import (
|
|
"net/http"
|
|
"strconv"
|
|
)
|
|
|
|
// Max number of bytes that http.DetectContentType needs to get the content type
|
|
// Fixme: Go back to 512 bytes once https://gitlab.com/gitlab-org/gitlab-workhorse/issues/208
|
|
// has been merged
|
|
const MaxDetectSize = 4096
|
|
|
|
// HTTP Headers
|
|
const (
|
|
ContentDispositionHeader = "Content-Disposition"
|
|
ContentTypeHeader = "Content-Type"
|
|
|
|
// Workhorse related headers
|
|
GitlabWorkhorseSendDataHeader = "Gitlab-Workhorse-Send-Data"
|
|
XSendFileHeader = "X-Sendfile"
|
|
XSendFileTypeHeader = "X-Sendfile-Type"
|
|
|
|
// Signal header that indicates Workhorse should detect and set the content headers
|
|
GitlabWorkhorseDetectContentTypeHeader = "Gitlab-Workhorse-Detect-Content-Type"
|
|
)
|
|
|
|
var ResponseHeaders = []string{
|
|
XSendFileHeader,
|
|
GitlabWorkhorseSendDataHeader,
|
|
GitlabWorkhorseDetectContentTypeHeader,
|
|
}
|
|
|
|
func IsDetectContentTypeHeaderPresent(rw http.ResponseWriter) bool {
|
|
header, err := strconv.ParseBool(rw.Header().Get(GitlabWorkhorseDetectContentTypeHeader))
|
|
if err != nil || !header {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// AnyResponseHeaderPresent checks in the ResponseWriter if there is any Response Header
|
|
func AnyResponseHeaderPresent(rw http.ResponseWriter) bool {
|
|
// If this header is not present means that we want the old behavior
|
|
if !IsDetectContentTypeHeaderPresent(rw) {
|
|
return false
|
|
}
|
|
|
|
for _, header := range ResponseHeaders {
|
|
if rw.Header().Get(header) != "" {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// RemoveResponseHeaders removes any ResponseHeader from the ResponseWriter
|
|
func RemoveResponseHeaders(rw http.ResponseWriter) {
|
|
for _, header := range ResponseHeaders {
|
|
rw.Header().Del(header)
|
|
}
|
|
}
|