63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package headers
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import (
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"net/http"
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"strconv"
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)
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// Max number of bytes that http.DetectContentType needs to get the content type
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// Fixme: Go back to 512 bytes once https://gitlab.com/gitlab-org/gitlab/-/issues/325074
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// has been merged
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const MaxDetectSize = 4096
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// HTTP Headers
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const (
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ContentDispositionHeader = "Content-Disposition"
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ContentTypeHeader = "Content-Type"
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// Workhorse related headers
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GitlabWorkhorseSendDataHeader = "Gitlab-Workhorse-Send-Data"
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XSendFileHeader = "X-Sendfile"
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XSendFileTypeHeader = "X-Sendfile-Type"
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// Signal header that indicates Workhorse should detect and set the content headers
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GitlabWorkhorseDetectContentTypeHeader = "Gitlab-Workhorse-Detect-Content-Type"
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)
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var ResponseHeaders = []string{
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XSendFileHeader,
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GitlabWorkhorseSendDataHeader,
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GitlabWorkhorseDetectContentTypeHeader,
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}
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func IsDetectContentTypeHeaderPresent(rw http.ResponseWriter) bool {
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header, err := strconv.ParseBool(rw.Header().Get(GitlabWorkhorseDetectContentTypeHeader))
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if err != nil || !header {
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return false
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}
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return true
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}
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// AnyResponseHeaderPresent checks in the ResponseWriter if there is any Response Header
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func AnyResponseHeaderPresent(rw http.ResponseWriter) bool {
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// If this header is not present means that we want the old behavior
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if !IsDetectContentTypeHeaderPresent(rw) {
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return false
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}
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for _, header := range ResponseHeaders {
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if rw.Header().Get(header) != "" {
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return true
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}
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}
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return false
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}
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// RemoveResponseHeaders removes any ResponseHeader from the ResponseWriter
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func RemoveResponseHeaders(rw http.ResponseWriter) {
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for _, header := range ResponseHeaders {
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rw.Header().Del(header)
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}
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}
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