| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed 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 android.webkit; |
| |
| import android.annotation.SystemApi; |
| import android.net.Uri; |
| |
| import java.security.KeyPair; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| /** |
| * Enables the token binding procotol, and provides access to the keys. See |
| * https://tools.ietf.org/html/draft-ietf-tokbind-protocol-03 |
| * |
| * All methods are required to be called on the UI thread where WebView is |
| * attached to the View hierarchy. |
| * @hide |
| */ |
| @SystemApi |
| public abstract class TokenBindingService { |
| |
| public static final String KEY_ALGORITHM_RSA2048_PKCS_1_5 = "RSA2048_PKCS_1.5"; |
| public static final String KEY_ALGORITHM_RSA2048_PSS = "RSA2048PSS"; |
| public static final String KEY_ALGORITHM_ECDSAP256 = "ECDSAP256"; |
| |
| /** |
| * Provides the KeyPair information. |
| */ |
| public static abstract class TokenBindingKey { |
| /** |
| * The public, private key pair. |
| */ |
| public abstract KeyPair getKeyPair(); |
| |
| /** |
| * The algorithm that is used to generate the key pair. |
| */ |
| public abstract String getAlgorithm(); |
| } |
| |
| /** |
| * Returns the default TokenBinding service instance. At present there is |
| * only one token binding service instance for all WebView instances, |
| * however this restriction may be relaxed in the future. |
| * |
| * @return The default TokenBindingService instance. |
| */ |
| public static TokenBindingService getInstance() { |
| return WebViewFactory.getProvider().getTokenBindingService(); |
| } |
| |
| /** |
| * Enables the token binding protocol. The token binding protocol |
| * has to be enabled before creating any WebViews. |
| * |
| * @throws IllegalStateException if a WebView was already created. |
| */ |
| public abstract void enableTokenBinding(); |
| |
| /** |
| * Retrieves the key pair for a given origin from the internal |
| * TokenBinding key store asynchronously. |
| * |
| * The user can provide a list of acceptable algorithms for the retrieved |
| * key pair. If a key pair exists and it is in the list of algorithms, then |
| * the key is returned. If it is not in the list, no key is returned. |
| * |
| * If no key pair exists, WebView chooses an algorithm from the list, in |
| * the order given, to generate a key. |
| * |
| * The user can pass a null if any algorithm is acceptable. |
| * |
| * @param origin The origin for the server. |
| * @param algorithm The list of algorithms. Can be null. An |
| * IllegalArgumentException is thrown if array is empty. |
| * @param callback The callback that will be called when key is available. |
| * Cannot be null. |
| */ |
| public abstract void getKey(Uri origin, |
| String[] algorithm, |
| ValueCallback<TokenBindingKey> callback); |
| /** |
| * Deletes specified key (for use when associated cookie is cleared). |
| * |
| * @param origin The origin of the server. |
| * @param callback The callback that will be called when key is deleted. The |
| * callback parameter (Boolean) will indicate if operation is |
| * successful or if failed. The callback can be null. |
| */ |
| public abstract void deleteKey(Uri origin, |
| ValueCallback<Boolean> callback); |
| |
| /** |
| * Deletes all the keys (for use when cookies are cleared). |
| * |
| * @param callback The callback that will be called when keys are deleted. |
| * The callback parameter (Boolean) will indicate if operation is |
| * successful or if failed. The callback can be null. |
| */ |
| public abstract void deleteAllKeys(ValueCallback<Boolean> callback); |
| } |