mirror of https://github.com/YTVanced/VancedMicroG
128 lines
4.7 KiB
Java
128 lines
4.7 KiB
Java
/*
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* Copyright (C) 2013-2017 microG Project Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.microg.gms.iid;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.util.Base64;
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import android.util.Log;
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import java.security.KeyFactory;
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import java.security.KeyPair;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.security.spec.X509EncodedKeySpec;
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public class InstanceIdStore {
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private static final String TAG = "InstanceID/Store";
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private static final String PREF_NAME = "com.google.android.gms.appid";
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private Context context;
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private SharedPreferences sharedPreferences;
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public InstanceIdStore(Context context) {
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this.context = context;
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this.sharedPreferences = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
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}
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public synchronized String getString(String key) {
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return sharedPreferences.getString(key, null);
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}
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public synchronized long getLong(String key) {
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return sharedPreferences.getLong(key, -1);
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}
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public String getSecret(String subtype, String key) {
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return getString(subtype + "|S|" + key);
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}
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public String getToken(String subtype, String authorizedEntity, String scope) {
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return getString(subtype + "|T|" + authorizedEntity + "|" + scope);
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}
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public long getTokenTimestamp(String subtype, String authorizedEntity, String scope) {
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return getLong(subtype + "|T-timestamp|" + authorizedEntity + "|" + scope);
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}
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public KeyPair getKeyPair(String subtype) {
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String pub = getSecret(subtype, "|P|");
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String priv = getSecret(subtype, "|K|");
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if (pub == null || priv == null) {
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return null;
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}
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try {
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byte[] pubKey = Base64.decode(pub, Base64.URL_SAFE);
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byte[] privKey = Base64.decode(priv, Base64.URL_SAFE);
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KeyFactory rsaFactory = KeyFactory.getInstance("RSA");
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return new KeyPair(rsaFactory.generatePublic(new X509EncodedKeySpec(pubKey)), rsaFactory.generatePrivate(new PKCS8EncodedKeySpec(privKey)));
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} catch (Exception e) {
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Log.w(TAG, "Invalid key stored " + e);
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return null;
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}
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}
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public synchronized void putString(String key, String value) {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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editor.putString(key, value);
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editor.apply();
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}
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public synchronized void putLong(String key, long value) {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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editor.putLong(key, value);
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editor.apply();
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}
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public void putSecret(String subtype, String key, String value) {
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putString(subtype + "|S|" + key, value);
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}
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public void putToken(String subtype, String authorizedEntity, String scope, String token) {
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putString(subtype + "|T|" + authorizedEntity + "|" + scope, token);
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putLong(subtype + "|T-timestamp|" + authorizedEntity + "|" + scope, System.currentTimeMillis());
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}
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public synchronized void putKeyPair(String subtype, KeyPair keyPair, long timestamp) {
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putSecret(subtype, "|P|", Base64.encodeToString(keyPair.getPublic().getEncoded(), Base64.URL_SAFE | Base64.NO_WRAP | Base64.NO_PADDING));
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putSecret(subtype, "|K|", Base64.encodeToString(keyPair.getPrivate().getEncoded(), Base64.URL_SAFE | Base64.NO_WRAP | Base64.NO_PADDING));
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putSecret(subtype, "cre", Long.toString(timestamp));
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}
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public synchronized void delete() {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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editor.clear();
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editor.apply();
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}
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public synchronized void delete(String prefix) {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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for (String key : sharedPreferences.getAll().keySet()) {
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if (key.startsWith(prefix)) {
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editor.remove(key);
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}
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}
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editor.apply();
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}
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public synchronized void delete(String subtype, String authorizedEntity, String scope) {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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editor.remove(subtype + "|T|" + authorizedEntity + "|" + scope);
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editor.remove(subtype + "|T-timestamp|" + authorizedEntity + "|" + scope);
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editor.apply();
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}
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}
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