feat: add tenor domains to LinkPreviewWhitelist

Also forward the tenor URLs as previews

Updates: #6829

protocol/urls/urls.go

@@ -98,6 +98,16 @@ func LinkPreviewWhitelist() []Site {
 			Address:   "github.com",
 			ImageSite: false,
 		},
+		Site{
+			Title:     "tenor GIFs subdomain",
+			Address:   "media.tenor.com",
+			ImageSite: false,
+		},
+		Site{
+			Title:     "tenor GIFs",
+			Address:   "tenor.com",
+			ImageSite: false,
+		},
 		// Medium unfurling is failing - https://github.com/status-im/status-go/issues/2192
 		//
 		// Site{
@@ -203,6 +213,16 @@ func GetGenericLinkPreviewData(link string) (previewData LinkPreviewData, err er
 	return previewData, nil
 }
 
+func GetGenericImageLinkPreviewData(title string, link string) (previewData LinkPreviewData, err error) {
+	url, _ := url.Parse(link)
+	previewData.Title = title
+	previewData.Site = strings.ToLower(url.Hostname())
+	previewData.ThumbnailURL = link
+	previewData.Height = 0
+	previewData.Width = 0
+	return previewData, nil
+}
+
 func GetGiphyOembed(url string) (data GiphyOembedData, err error) {
 	oembedLink := fmt.Sprintf(GiphyOembedLink, url)
 
@@ -283,6 +303,8 @@ func GetLinkPreviewData(link string) (previewData LinkPreviewData, err error) {
 		return GetGiphyShortURLPreviewData(link)
 	case "twitter.com":
 		return GetTwitterPreviewData(link)
+	case "media.tenor.com", "tenor.com":
+		return GetGenericImageLinkPreviewData("Tenor", link)
 	default:
 		return previewData, fmt.Errorf("link %s isn't whitelisted. Hostname - %s", link, url.Hostname())
 	}