Contains the Concourse pipeline definition for building a line-server container
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24 lines
489 B

package main
import (
"net/http"
"strings"
)
func strictReferrerCheck(r *http.Request, prefix string, whitelistHeaders []string) bool {
for _, header := range whitelistHeaders {
if r.Header.Get(header) != "" {
return true
}
}
if referrer := r.Header.Get("Referer"); !strings.HasPrefix(referrer, prefix) {
return false
}
if origin := r.Header.Get("Origin"); origin != "" && !strings.HasPrefix(origin, strings.TrimSuffix(prefix, "/")) {
return false
}
return true
}