feat: limit unfurls number (#4288)

protocol/messenger_linkpreview.go

@@ -17,6 +17,8 @@ import (
 	"github.com/status-im/status-go/protocol/common"
 )
 
+const UnfurledLinksPerMessageLimit = 5
+
 type UnfurlURLsResponse struct {
 	LinkPreviews       []*common.LinkPreview       `json:"linkPreviews,omitempty"`
 	StatusLinkPreviews []*common.StatusLinkPreview `json:"statusLinkPreviews,omitempty"`
@@ -123,6 +125,12 @@ func GetURLs(text string) []string {
 			indexed[idx] = nil
 			urls = append(urls, idx)
 		}
+
+		// This is a temporary limitation solution,
+		// should be changed with https://github.com/status-im/status-go/issues/4235
+		if len(urls) == UnfurledLinksPerMessageLimit {
+			break
+		}
 	}
 
 	return urls

protocol/messenger_linkpreview_test.go

@@ -659,5 +659,17 @@ func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Settings() {
 	s.Require().Len(linkPreviews.LinkPreviews, 0)
 	s.Require().Len(linkPreviews.StatusLinkPreviews, 1) // Status links are always unfurled
 	s.Require().Equal(requestsCount, 0)
-
+}
+
+func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Limit() {
+	linksToUnfurl := "https://www.youtube.com/watch?v=6dkDepLX0rk " +
+		"https://www.youtube.com/watch?v=ferZnZ0_rSM " +
+		"https://www.youtube.com/watch?v=bdneye4pzMw " +
+		"https://www.youtube.com/watch?v=pRERgcQe-fQ " +
+		"https://www.youtube.com/watch?v=j82L3pLjb_0 " +
+		"https://www.youtube.com/watch?v=hxsJvKYyVyg " +
+		"https://www.youtube.com/watch?v=jIIuzB11dsA"
+
+	urls := GetURLs(linksToUnfurl)
+	s.Require().Equal(UnfurledLinksPerMessageLimit, len(urls))
 }