| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.android_webview; |
| |
| import android.content.SharedPreferences; |
| import android.webkit.ValueCallback; |
| |
| import org.chromium.base.ThreadUtils; |
| import org.chromium.net.GURLUtils; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * This class is used to manage permissions for the WebView's Geolocation JavaScript API. |
| * |
| * Callbacks are posted on the UI thread. |
| */ |
| public final class AwGeolocationPermissions { |
| |
| private static final String PREF_PREFIX = |
| "AwGeolocationPermissions%"; |
| private final SharedPreferences mSharedPreferences; |
| |
| public AwGeolocationPermissions(SharedPreferences sharedPreferences) { |
| mSharedPreferences = sharedPreferences; |
| } |
| |
| /** |
| * Set one origin to be allowed. |
| */ |
| public void allow(String origin) { |
| String key = getOriginKey(origin); |
| if (key != null) { |
| mSharedPreferences.edit().putBoolean(key, true).apply(); |
| } |
| } |
| |
| /** |
| * Set one origin to be denied. |
| */ |
| public void deny(String origin) { |
| String key = getOriginKey(origin); |
| if (key != null) { |
| mSharedPreferences.edit().putBoolean(key, false).apply(); |
| } |
| } |
| |
| /** |
| * Clear the stored permission for a particular origin. |
| */ |
| public void clear(String origin) { |
| String key = getOriginKey(origin); |
| if (key != null) { |
| mSharedPreferences.edit().remove(key).apply(); |
| } |
| } |
| |
| /** |
| * Clear stored permissions for all origins. |
| */ |
| public void clearAll() { |
| SharedPreferences.Editor editor = null; |
| for (String name : mSharedPreferences.getAll().keySet()) { |
| if (name.startsWith(PREF_PREFIX)) { |
| if (editor == null) { |
| editor = mSharedPreferences.edit(); |
| } |
| editor.remove(name); |
| } |
| } |
| if (editor != null) { |
| editor.apply(); |
| } |
| } |
| |
| /** |
| * Synchronous method to get if an origin is set to be allowed. |
| */ |
| public boolean isOriginAllowed(String origin) { |
| return mSharedPreferences.getBoolean(getOriginKey(origin), false); |
| } |
| |
| /** |
| * Returns true if the origin is either set to allowed or denied. |
| */ |
| public boolean hasOrigin(String origin) { |
| return mSharedPreferences.contains(getOriginKey(origin)); |
| } |
| |
| /** |
| * Asynchronous method to get if an origin set to be allowed. |
| */ |
| public void getAllowed(String origin, final ValueCallback<Boolean> callback) { |
| final boolean finalAllowed = isOriginAllowed(origin); |
| ThreadUtils.postOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| callback.onReceiveValue(finalAllowed); |
| } |
| }); |
| } |
| |
| /** |
| * Async method to get the domains currently allowed or denied. |
| */ |
| public void getOrigins(final ValueCallback<Set<String>> callback) { |
| final Set<String> origins = new HashSet<String>(); |
| for (String name : mSharedPreferences.getAll().keySet()) { |
| if (name.startsWith(PREF_PREFIX)) { |
| origins.add(name.substring(PREF_PREFIX.length())); |
| } |
| } |
| ThreadUtils.postOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| callback.onReceiveValue(origins); |
| } |
| }); |
| } |
| |
| /** |
| * Get the domain of an URL using the GURL library. |
| */ |
| private String getOriginKey(String url) { |
| String origin = GURLUtils.getOrigin(url); |
| if (origin.isEmpty()) { |
| return null; |
| } |
| |
| return PREF_PREFIX + origin; |
| } |
| } |