First commit on depo
- Add file
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pedroGitt
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/*
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* Copyright 2016 OpenMarket Ltd
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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.matrix.olm;
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import android.util.Log;
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import org.json.JSONException;
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import org.json.JSONObject;
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public class OlmAccount {
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private static final String LOG_TAG = "OlmAccount";
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// JSON keys used in the JSON objects returned by JNI
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public static String JSON_KEY_ONE_TIME_KEY = "curve25519";
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public static String JSON_KEY_FINGER_PRINT_KEY = "ed25519";
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/** instance unique identifier, used in JNI to match the corresponding native class **/
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private int mJavaInstanceId;
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/** account raw pointer value (OlmAccount*) returned by JNI.
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* this value identifies uniquely the native account instance.
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*/
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private long mNativeOlmAccountId;
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public OlmAccount() {
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mJavaInstanceId = hashCode();
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//initNewAccount();
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}
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/**
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* Getter on the account ID.
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* @return native account ID
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*/
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public long getOlmAccountId(){
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return mNativeOlmAccountId;
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}
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/**
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* Destroy the corresponding OLM account native object.<br>
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* This method must ALWAYS be called when this JAVA instance
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* is destroyed (ie. garbage collected) to prevent memory leak in native side.
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* See {@link #initNewAccountJni()}.
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*/
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private native void releaseAccountJni();
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/**
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* Release native account and invalid its JAVA reference counter part.<br>
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* Public API for {@link #releaseAccountJni()}.
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* To be called before any other API call.
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*/
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public void releaseAccount(){
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releaseAccountJni();
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mNativeOlmAccountId = 0;
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}
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/**
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* Create the corresponding OLM account in native side.<br>
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* The return value is a long casted C ptr on the OlmAccount.
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* Do not forget to call {@link #releaseAccount()} when JAVA side is done.
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* @return native account instance identifier (see {@link #mNativeOlmAccountId})
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*/
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private native long initNewAccountJni();
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/**
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* Create and save the account native instance ID.
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* Wrapper for {@link #initNewAccountJni()}.<br>
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* To be called before any other API call.
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* @return true if init succeed, false otherwise.
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*/
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public boolean initNewAccount() {
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boolean retCode = false;
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if(0 != (mNativeOlmAccountId = initNewAccountJni())){
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retCode = true;
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}
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return retCode;
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}
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/**
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* Get the public identity keys (Ed25519 fingerprint key and Curve25519 identity key).<br>
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* Keys are Base64 encoded.
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* These keys must be published on the server.
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* @return byte array containing the identity keys if operation succeed, null otherwise
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*/
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private native byte[] identityKeysJni();
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/**
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* Return the identity keys in a JSON array.<br>
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* Public API for {@link #identityKeysJni()}.
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* @return identity keys in JSON array format if operation succeed, null otherwise
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*/
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public JSONObject identityKeys() {
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JSONObject identityKeysJsonObj = null;
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byte identityKeysBuffer[];
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if( null != (identityKeysBuffer = identityKeysJni())) {
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try {
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identityKeysJsonObj = new JSONObject(new String(identityKeysBuffer));
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Log.d(LOG_TAG, "## identityKeys(): Identity Json keys=" + identityKeysJsonObj.toString());
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} catch (JSONException e) {
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identityKeysJsonObj = null;
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Log.e(LOG_TAG, "## identityKeys(): Exception - Msg=" + e.getMessage());
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}
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} else {
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Log.e(LOG_TAG, "## identityKeys(): Failure - identityKeysJni()=null");
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}
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return identityKeysJsonObj;
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}
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/**
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* Return the largest number of "one time keys" this account can store.
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* @return the max number of "one time keys", -1 otherwise
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*/
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public native long maxOneTimeKeys();
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/**
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* Generate a number of new one time keys.<br> If total number of keys stored
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* by this account exceeds {@link #maxOneTimeKeys()}, the old keys are discarded.
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* @param aNumberOfKeys number of keys to generate
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* @return 0 if operation succeed, -1 otherwise
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*/
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public native int generateOneTimeKeys(int aNumberOfKeys);
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/**
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* Get the public parts of the unpublished "one time keys" for the account.<br>
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* The returned data is a JSON-formatted object with the single property
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* <tt>curve25519</tt>, which is itself an object mapping key id to
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* base64-encoded Curve25519 key.
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* These keys must be published on the server.
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* @return byte array containing the one time keys if operation succeed, null otherwise
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*/
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private native byte[] oneTimeKeysJni();
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/**
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* Return the "one time keys" in a JSON array.<br>
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* Public API for {@link #oneTimeKeysJni()}.
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* @return one time keys in JSON array format if operation succeed, null otherwise
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*/
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public JSONObject oneTimeKeys() {
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byte identityKeysBuffer[];
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JSONObject identityKeysJsonObj = null;
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if( null != (identityKeysBuffer = oneTimeKeysJni())) {
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try {
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identityKeysJsonObj = new JSONObject(new String(identityKeysBuffer));
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Log.d(LOG_TAG, "## oneTimeKeys(): Identity Json keys=" + identityKeysJsonObj.toString());
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} catch (JSONException e) {
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identityKeysJsonObj = null;
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Log.e(LOG_TAG, "## oneTimeKeys(): Exception - Msg=" + e.getMessage());
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}
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} else {
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Log.e(LOG_TAG, "## oneTimeKeys(): Failure - identityKeysJni()=null");
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}
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return identityKeysJsonObj;
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}
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/**
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* Remove the "one time keys" that the session used from the account.
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* @param aNativeOlmSessionId native session instance identifier
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* @return 0 if operation succeed, 1 if no matching keys in the sessions to be removed, -1 if operation failed
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*/
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public native int removeOneTimeKeysForSession(long aNativeOlmSessionId);
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/**
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* Marks the current set of "one time keys" as being published.
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* @return 0 if operation succeed, -1 otherwise
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*/
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public native int markOneTimeKeysAsPublished();
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/**
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* Sign a message with the ed25519 fingerprint key for this account.
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* @param aMessage message to sign
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* @return the signed message if operation succeed, null otherwise
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*/
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public native String signMessage(String aMessage);
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@Override
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public String toString() {
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return super.toString();
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}
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}
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