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Middleware: Add Custom Headers to HTTP responses (#59018)

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* Middleware: Add Custom Headers to HTTP responses

* Update docs/sources/setup-grafana/configure-grafana/_index.md

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

* Update conf/defaults.ini

Co-authored-by: Dave Henderson <dave.henderson@grafana.com>

* Update conf/sample.ini

Co-authored-by: Dave Henderson <dave.henderson@grafana.com>

* Update _index.md

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>
Co-authored-by: Dave Henderson <dave.henderson@grafana.com>
This commit is contained in:
João Calisto
2022-11-30 17:12:34 +00:00
committed by GitHub
parent 9cdb6b07c7
commit bba42b113c
7 changed files with 65 additions and 0 deletions
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18
pkg/middleware/middleware.go
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@@ -77,3 +77,21 @@ func addNoCacheHeaders(w web.ResponseWriter) {
func addXFrameOptionsDenyHeader(w web.ResponseWriter) {
w.Header().Set("X-Frame-Options", "deny")
}
func AddCustomResponseHeaders(cfg *setting.Cfg) web.Handler {
return func(c *web.Context) {
c.Resp.Before(func(w web.ResponseWriter) {
if w.Written() {
return
}
for header, value := range cfg.CustomResponseHeaders {
// do not override existing headers
if w.Header().Get(header) != "" {
continue
}
w.Header().Set(header, value)
}
})
}
}