#8778 fixes invalid provider error handling

2 files changed, 12 insertions, 1 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
index 4929f040..33b2e225 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
@@ -47,7 +47,7 @@ public class ConfigHelper {
             } else {
                 return false;
             }
-        } catch (JSONException e) {
+        } catch (NullPointerException | JSONException e) {
             return false;
         }
     }
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java b/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java
index caa48231..bf1c3941 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderApiBase.java
@@ -687,6 +687,17 @@ public abstract class ProviderApiBase extends IntentService {
         return CA_CERT_DOWNLOADED;
     }
 
+    protected boolean isValidJson(String jsonString) {
+        try {
+            new JSONObject(jsonString);
+            return true;
+        } catch(JSONException e) {
+            return false;
+        } catch(NullPointerException e) {
+            return false;
+        }
+    }
+
     protected boolean validCertificate(String cert_string) {
         boolean result = false;
         if (!ConfigHelper.checkErroneousDownload(cert_string)) {