Make Invidious instance configurable

reader/rewrite/rewrite_functions.go

@@ -11,6 +11,8 @@ import (
 	"regexp"
 	"strings"
 
+	"miniflux.app/config"
+
 	"github.com/PuerkitoBio/goquery"
 )
 
@@ -214,7 +216,7 @@ func addYoutubeVideoUsingInvidiousPlayer(entryURL, entryContent string) string {
 	matches := youtubeRegex.FindStringSubmatch(entryURL)
 
 	if len(matches) == 2 {
-		video := `<iframe width="650" height="350" frameborder="0" src="https://invidio.us/embed/` + matches[1] + `" allowfullscreen></iframe>`
+		video := `<iframe width="650" height="350" frameborder="0" src="https://` + config.Opts.InvidiousInstance() + `/embed/` + matches[1] + `" allowfullscreen></iframe>`
 		return video + `<br>` + entryContent
 	}
 	return entryContent

reader/rewrite/rules.go

@@ -16,7 +16,6 @@ var predefinedRules = map[string]string{
 	"framatube.org":          "nl2br,convert_text_link",
 	"happletea.com":          "add_image_title",
 	"imogenquest.net":        "add_image_title",
-	"invidio.us":             "add_invidious_video",
 	"lukesurl.com":           "add_image_title",
 	"medium.com":             "fix_medium_images",
 	"mercworks.net":          "add_image_title",

reader/sanitizer/sanitizer.go

@@ -12,6 +12,7 @@ import (
 	"strconv"
 	"strings"
 
+	"miniflux.app/config"
 	"miniflux.app/url"
 
 	"golang.org/x/net/html"
@@ -308,7 +309,6 @@ func isBlockedResource(src string) bool {
 
 func isValidIframeSource(baseURL, src string) bool {
 	whitelist := []string{
-		"https://invidio.us",
 		"//www.youtube.com",
 		"http://www.youtube.com",
 		"https://www.youtube.com",
@@ -334,6 +334,11 @@ func isValidIframeSource(baseURL, src string) bool {
 		return true
 	}
 
+	// allow iframe from custom invidious instance
+	if config.Opts != nil && config.Opts.InvidiousInstance() == url.Domain(src) {
+		return true
+	}
+
 	for _, prefix := range whitelist {
 		if strings.HasPrefix(src, prefix) {
 			return true