CB-14013: (android) Change the InAppBrowser to allow custom schemes for oAuth

src/android/InAppBrowser.java

@@ -133,6 +133,7 @@ public class InAppBrowser extends CordovaPlugin {
     private boolean hideUrlBar = false;
     private boolean showFooter = false;
     private String footerColor = "";
+    private String[] allowedSchemes;
 
     /**
      * Executes the request and returns PluginResult.
@@ -1110,6 +1111,29 @@ else if (url.startsWith("sms:")) {
                     LOG.e(LOG_TAG, "Error sending sms " + url + ":" + e.toString());
                 }
             }
+            // Test for whitelisted custom scheme names like mycoolapp:// or twitteroauthresponse:// (Twitter Oauth Response)
+            else if (!url.startsWith("http:") && !url.startsWith("https:") && url.matches("^[a-z]*://.*?$")) {
+                if (allowedSchemes == null) {
+                    String allowed = preferences.getString("AllowedSchemes", "");
+                    allowedSchemes = allowed.split(",");
+                }
+                if (allowedSchemes != null) {
+                    for (String scheme : allowedSchemes) {
+                        if (url.startsWith(scheme)) {
+                            try {
+                                JSONObject obj = new JSONObject();
+                                obj.put("type", "customscheme");
+                                obj.put("url", url);
+                                sendUpdate(obj, true);
+                                return true;
+                            } catch (JSONException ex) {
+                                LOG.e(LOG_TAG, "Custom Scheme URI passed in has caused a JSON error.");
+                            }
+                        }
+                    }
+                }
+            }
+
             return false;
         }
 
@@ -1232,4 +1256,4 @@ public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, Str
             super.onReceivedHttpAuthRequest(view, handler, host, realm);
         }
     }
-}
+}

www/inappbrowser.js

@@ -36,7 +36,8 @@
             'loadstart': channel.create('loadstart'),
             'loadstop': channel.create('loadstop'),
             'loaderror': channel.create('loaderror'),
-            'exit': channel.create('exit')
+            'exit': channel.create('exit'),
+            'customscheme': channel.create('customscheme')
         };
     }