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-rw-r--r--modules/caddyhttp/reverseproxy/streaming.go6
1 files changed, 4 insertions, 2 deletions
diff --git a/modules/caddyhttp/reverseproxy/streaming.go b/modules/caddyhttp/reverseproxy/streaming.go
index 666cf48..d183244 100644
--- a/modules/caddyhttp/reverseproxy/streaming.go
+++ b/modules/caddyhttp/reverseproxy/streaming.go
@@ -21,6 +21,7 @@ package reverseproxy
import (
"context"
"io"
+ "mime"
"net/http"
"sync"
"time"
@@ -88,11 +89,12 @@ func (h Handler) handleUpgradeResponse(rw http.ResponseWriter, req *http.Request
// flushInterval returns the p.FlushInterval value, conditionally
// overriding its value for a specific request/response.
func (h Handler) flushInterval(req *http.Request, res *http.Response) time.Duration {
- resCT := res.Header.Get("Content-Type")
+ resCTHeader := res.Header.Get("Content-Type")
+ resCT, _, err := mime.ParseMediaType(resCTHeader)
// For Server-Sent Events responses, flush immediately.
// The MIME type is defined in https://www.w3.org/TR/eventsource/#text-event-stream
- if resCT == "text/event-stream" {
+ if err == nil && resCT == "text/event-stream" {
return -1 // negative means immediately
}