Fixed potential issue where a malformed CBZ would cause a panic. Now it just ignores malformed CBZ files.

app/routes/routes.go

@@ -55,7 +55,7 @@ func Index(w http.ResponseWriter, r *http.Request) {
 
 	feed.Entry = append(feed.Entry)
 
-	_ = filepath.WalkDir(ctx.String("manga"), func(path string, d fs.DirEntry, err error) error {
+	err := filepath.WalkDir(ctx.String("manga"), func(path string, d fs.DirEntry, err error) error {
 		if err != nil || d.IsDir() || filepath.Ext(d.Name()) != ".cbz" {
 			return err
 		}
@@ -68,17 +68,21 @@ func Index(w http.ResponseWriter, r *http.Request) {
 		if found {
 			ComicInfo = ci.(comicinfo.ComicInfo)
 		} else {
-			zf, _ := zip.OpenReader(path)
-			for i := range zf.File {
-				if strings.ToLower(zf.File[i].Name) == "comicinfo.xml" {
-					cif, err := zf.File[i].Open()
-					if err != nil {
-						return err
+			zf, err := zip.OpenReader(path)
+			if err != nil {
+				return nil
+			} else {
+				for i := range zf.File {
+					if strings.ToLower(zf.File[i].Name) == "comicinfo.xml" {
+						cif, err := zf.File[i].Open()
+						if err != nil {
+							return err
+						}
+						cib, _ := io.ReadAll(cif)
+						_ = cif.Close()
+						_ = xml.Unmarshal(cib, &ComicInfo)
+						c.Set(path, ComicInfo, cache.NoExpiration)
 					}
-					cib, _ := io.ReadAll(cif)
-					_ = cif.Close()
-					_ = xml.Unmarshal(cib, &ComicInfo)
-					c.Set(path, ComicInfo, cache.NoExpiration)
 				}
 			}
 		}
@@ -125,6 +129,10 @@ func Index(w http.ResponseWriter, r *http.Request) {
 		return nil
 	})
 
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+
 	_ = defaults.Set(&feed)
 	data, _ := xml.MarshalIndent(feed, "", "  ")
 	http.ServeContent(w, r, "feed.xml", time.Now(), bytes.NewReader(data))