Prevent crash

2 years ago · 27330ceddc
parent d488470451
commit 27330ceddc
1 changed files with 6 additions and 1 deletions
--- a/app/src/main/java/eu/faircode/email/UriHelper.java
+++ b/app/src/main/java/eu/faircode/email/UriHelper.java
@ -104,7 +104,12 @@ public class UriHelper {
            return null;
        if (tld.equals(host))
            return null;
-        int dot = host.substring(0, host.length() - tld.length() - 1).lastIndexOf('.');
+        int len = host.length() - tld.length() - 1;
+        if (len < 0) {
+            Log.e("getRootDomain host=" + host + " tld=" + tld);
+            return host;
+        }
+        int dot = host.substring(0, len).lastIndexOf('.');
        if (dot < 0)
            return host;
        return host.substring(dot + 1);