| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| package org.apache.cordova; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| |
| import org.apache.cordova.CordovaInterface; |
| import org.apache.cordova.CordovaPlugin; |
| import org.apache.cordova.LOG; |
| |
| import android.content.pm.PackageManager; |
| |
| /** |
| * This class provides reflective methods for permission requesting and checking so that plugins |
| * written for cordova-android 5.0.0+ can still compile with earlier cordova-android versions. |
| */ |
| public class PermissionHelper { |
| private static final String LOG_TAG = "CordovaPermissionHelper"; |
| |
| /** |
| * Requests a "dangerous" permission for the application at runtime. This is a helper method |
| * alternative to cordovaInterface.requestPermission() that does not require the project to be |
| * built with cordova-android 5.0.0+ |
| * |
| * @param plugin The plugin the permission is being requested for |
| * @param requestCode A requestCode to be passed to the plugin's onRequestPermissionResult() |
| * along with the result of the permission request |
| * @param permission The permission to be requested |
| */ |
| public static void requestPermission(CordovaPlugin plugin, int requestCode, String permission) { |
| PermissionHelper.requestPermissions(plugin, requestCode, new String[] {permission}); |
| } |
| |
| /** |
| * Requests "dangerous" permissions for the application at runtime. This is a helper method |
| * alternative to cordovaInterface.requestPermissions() that does not require the project to be |
| * built with cordova-android 5.0.0+ |
| * |
| * @param plugin The plugin the permissions are being requested for |
| * @param requestCode A requestCode to be passed to the plugin's onRequestPermissionResult() |
| * along with the result of the permissions request |
| * @param permissions The permissions to be requested |
| */ |
| public static void requestPermissions(CordovaPlugin plugin, int requestCode, String[] permissions) { |
| try { |
| Method requestPermission = CordovaInterface.class.getDeclaredMethod( |
| "requestPermissions", CordovaPlugin.class, int.class, String[].class); |
| |
| // If there is no exception, then this is cordova-android 5.0.0+ |
| requestPermission.invoke(plugin.cordova, plugin, requestCode, permissions); |
| } catch (NoSuchMethodException noSuchMethodException) { |
| // cordova-android version is less than 5.0.0, so permission is implicitly granted |
| LOG.d(LOG_TAG, "No need to request permissions " + Arrays.toString(permissions)); |
| |
| // Notify the plugin that all were granted by using more reflection |
| deliverPermissionResult(plugin, requestCode, permissions); |
| } catch (IllegalAccessException illegalAccessException) { |
| // Should never be caught; this is a public method |
| LOG.e(LOG_TAG, "IllegalAccessException when requesting permissions " + Arrays.toString(permissions), illegalAccessException); |
| } catch(InvocationTargetException invocationTargetException) { |
| // This method does not throw any exceptions, so this should never be caught |
| LOG.e(LOG_TAG, "invocationTargetException when requesting permissions " + Arrays.toString(permissions), invocationTargetException); |
| } |
| } |
| |
| /** |
| * Checks at runtime to see if the application has been granted a permission. This is a helper |
| * method alternative to cordovaInterface.hasPermission() that does not require the project to |
| * be built with cordova-android 5.0.0+ |
| * |
| * @param plugin The plugin the permission is being checked against |
| * @param permission The permission to be checked |
| * |
| * @return True if the permission has already been granted and false otherwise |
| */ |
| public static boolean hasPermission(CordovaPlugin plugin, String permission) { |
| try { |
| Method hasPermission = CordovaInterface.class.getDeclaredMethod("hasPermission", String.class); |
| |
| // If there is no exception, then this is cordova-android 5.0.0+ |
| return (Boolean) hasPermission.invoke(plugin.cordova, permission); |
| } catch (NoSuchMethodException noSuchMethodException) { |
| // cordova-android version is less than 5.0.0, so permission is implicitly granted |
| LOG.d(LOG_TAG, "No need to check for permission " + permission); |
| return true; |
| } catch (IllegalAccessException illegalAccessException) { |
| // Should never be caught; this is a public method |
| LOG.e(LOG_TAG, "IllegalAccessException when checking permission " + permission, illegalAccessException); |
| } catch(InvocationTargetException invocationTargetException) { |
| // This method does not throw any exceptions, so this should never be caught |
| LOG.e(LOG_TAG, "invocationTargetException when checking permission " + permission, invocationTargetException); |
| } |
| return false; |
| } |
| |
| private static void deliverPermissionResult(CordovaPlugin plugin, int requestCode, String[] permissions) { |
| // Generate the request results |
| int[] requestResults = new int[permissions.length]; |
| Arrays.fill(requestResults, PackageManager.PERMISSION_GRANTED); |
| |
| try { |
| Method onRequestPermissionResult = CordovaPlugin.class.getDeclaredMethod( |
| "onRequestPermissionResult", int.class, String[].class, int[].class); |
| |
| onRequestPermissionResult.invoke(plugin, requestCode, permissions, requestResults); |
| } catch (NoSuchMethodException noSuchMethodException) { |
| // Should never be caught since the plugin must be written for cordova-android 5.0.0+ if it |
| // made it to this point |
| LOG.e(LOG_TAG, "NoSuchMethodException when delivering permissions results", noSuchMethodException); |
| } catch (IllegalAccessException illegalAccessException) { |
| // Should never be caught; this is a public method |
| LOG.e(LOG_TAG, "IllegalAccessException when delivering permissions results", illegalAccessException); |
| } catch(InvocationTargetException invocationTargetException) { |
| // This method may throw a JSONException. We are just duplicating cordova-android's |
| // exception handling behavior here; all it does is log the exception in CordovaActivity, |
| // print the stacktrace, and ignore it |
| LOG.e(LOG_TAG, "InvocationTargetException when delivering permissions results", invocationTargetException); |
| } |
| } |
| } |