Merge pull request #1139 from dstd/patch-1

Fix of incorrect configuration change validation

Author: blundell

app/java/net/openid/appauthdemo/Configuration.java

@@ -192,7 +192,9 @@ private void readConfiguration() throws InvalidConfigurationException {
         Buffer configData = new Buffer();
         try {
             configSource.readAll(configData);
+            final String configHash = configData.sha256().base64();
             mConfigJson = new JSONObject(configData.readString(Charset.forName("UTF-8")));
+            mConfigHash = configHash;
         } catch (IOException ex) {
             throw new InvalidConfigurationException(
                     "Failed to read configuration: " + ex.getMessage());
@@ -201,7 +203,6 @@ private void readConfiguration() throws InvalidConfigurationException {
                     "Unable to parse configuration: " + ex.getMessage());
         }
 
-        mConfigHash = configData.sha256().base64();
         mClientId = getConfigString("client_id");
         mScope = getRequiredConfigString("authorization_scope");
         mRedirectUri = getRequiredConfigUri("redirect_uri");