Commit a14bf30c authored by ylecollen's avatar ylecollen
Browse files

add sanity checks when releasing the objects

parent 26a7ef8d
......@@ -17,7 +17,6 @@
package org.matrix.olm;
import android.text.TextUtils;
import android.util.Log;
import java.io.IOException;
......
......@@ -77,8 +77,10 @@ public class OlmAccount extends CommonSerializeUtils implements Serializable {
* Release native account and invalid its JAVA reference counter part.<br>
* Public API for {@link #releaseAccountJni()}.
*/
public void releaseAccount(){
releaseAccountJni();
public void releaseAccount() {
if (0 != mNativeId) {
releaseAccountJni();
}
mNativeId = 0;
}
......
......@@ -55,15 +55,11 @@ public class OlmException extends IOException {
public static final int EXCEPTION_CODE_SESSION_DECRYPT_MESSAGE = 405;
public static final int EXCEPTION_CODE_SESSION_SESSION_IDENTIFIER = 406;
public static final int EXCEPTION_CODE_UTILITY_CREATION = 501;
public static final int EXCEPTION_CODE_UTILITY_VERIFY_SIGNATURE = 500;
public static final int EXCEPTION_CODE_UTILITY_CREATION = 500;
public static final int EXCEPTION_CODE_UTILITY_VERIFY_SIGNATURE = 501;
// exception human readable messages
public static final String EXCEPTION_MSG_NEW_OUTBOUND_GROUP_SESSION = "createNewSession() failed";
public static final String EXCEPTION_MSG_NEW_INBOUND_GROUP_SESSION = "createNewSession() failed";
public static final String EXCEPTION_MSG_INVALID_PARAMS_DESERIALIZATION = "invalid de-serialized parameters";
public static final String EXCEPTION_MSG_INIT_ACCOUNT_CREATION = "initNewAccount() failed";
public static final String EXCEPTION_MSG_INIT_SESSION_CREATION = "initNewSession() failed";
/** exception code to be taken from: {@link #EXCEPTION_CODE_CREATE_OUTBOUND_GROUP_SESSION}, {@link #EXCEPTION_CODE_CREATE_INBOUND_GROUP_SESSION},
* {@link #EXCEPTION_CODE_INIT_OUTBOUND_GROUP_SESSION}, {@link #EXCEPTION_CODE_INIT_INBOUND_GROUP_SESSION}..**/
......
......@@ -70,7 +70,9 @@ public class OlmInboundGroupSession extends CommonSerializeUtils implements Seri
* Public API for {@link #releaseSessionJni()}.
*/
public void releaseSession(){
releaseSessionJni();
if (0 != mNativeId) {
releaseSessionJni();
}
mNativeId = 0;
}
......
......@@ -59,7 +59,9 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
* Public API for {@link #releaseSessionJni()}.
*/
public void releaseSession() {
releaseSessionJni();
if (0 != mNativeId) {
releaseSessionJni();
}
mNativeId = 0;
}
......@@ -252,7 +254,7 @@ public class OlmOutboundGroupSession extends CommonSerializeUtils implements Ser
protected void deserialize(byte[] aSerializedData, byte[] aKey) throws Exception {
createNewSession();
String errorMsg = null;
String errorMsg;
try {
if ((null == aSerializedData) || (null == aKey)) {
......
......@@ -66,8 +66,10 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
* Release native session and invalid its JAVA reference counter part.<br>
* Public API for {@link #releaseSessionJni()}.
*/
public void releaseSession(){
releaseSessionJni();
public void releaseSession() {
if (0 != mNativeId) {
releaseSessionJni();
}
mNativeId = 0;
}
......@@ -262,7 +264,11 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
OlmMessage encryptedMsgRetValue = new OlmMessage();
try {
encryptedMsgRetValue.mCipherText = new String(encryptMessageJni(aClearMsg.getBytes("UTF-8"), encryptedMsgRetValue), "UTF-8");
byte[] encryptedMessageBuffer = encryptMessageJni(aClearMsg.getBytes("UTF-8"), encryptedMsgRetValue);
if (null != encryptedMessageBuffer) {
encryptedMsgRetValue.mCipherText = new String(encryptedMessageBuffer, "UTF-8");
}
} catch (Exception e) {
Log.e(LOG_TAG, "## encryptMessage(): failed " + e.getMessage());
throw new OlmException(OlmException.EXCEPTION_CODE_SESSION_ENCRYPT_MESSAGE, e.getMessage());
......@@ -360,24 +366,23 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
protected void deserialize(byte[] aSerializedData, byte[] aKey) throws Exception {
createNewSession();
StringBuffer errorMsg = new StringBuffer();
String errorMsg;
try {
String jniError;
if ((null == aSerializedData) || (null == aKey)) {
Log.e(LOG_TAG, "## deserialize(): invalid input parameters");
errorMsg.append("invalid input parameters");
} else if (null != (jniError = deserializeJni(aSerializedData, aKey))) {
errorMsg.append(jniError);
errorMsg = "invalid input parameters";
} else {
errorMsg = deserializeJni(aSerializedData, aKey);
}
} catch (Exception e) {
Log.e(LOG_TAG, "## deserialize() failed " + e.getMessage());
errorMsg.append(e.getMessage());
errorMsg = e.getMessage();
}
if (errorMsg.length() > 0) {
if (!TextUtils.isEmpty(errorMsg)) {
releaseSession();
throw new OlmException(OlmException.EXCEPTION_CODE_ACCOUNT_DESERIALIZATION, String.valueOf(errorMsg));
throw new OlmException(OlmException.EXCEPTION_CODE_ACCOUNT_DESERIALIZATION, errorMsg);
}
}
......
......@@ -35,18 +35,21 @@ public class OlmUtility {
**/
private long mNativeId;
public OlmUtility() {
public OlmUtility() throws OlmException {
initUtility();
}
/**
* Create a native utility instance.
* To be called before any other API call.
* @return true if init succeed, false otherwise.
* @exception OlmException the exception
*/
private boolean initUtility() {
mNativeId = createUtilityJni();
return (0 != mNativeId);
private void initUtility() throws OlmException {
try {
mNativeId = createUtilityJni();
} catch (Exception e) {
throw new OlmException(OlmException.EXCEPTION_CODE_UTILITY_CREATION, e.getMessage());
}
}
private native long createUtilityJni();
......@@ -55,8 +58,10 @@ public class OlmUtility {
* Release native instance.<br>
* Public API for {@link #releaseUtilityJni()}.
*/
public void releaseUtility(){
releaseUtilityJni();
public void releaseUtility() {
if (0 != mNativeId) {
releaseUtilityJni();
}
mNativeId = 0;
}
private native void releaseUtilityJni();
......@@ -111,7 +116,7 @@ public class OlmUtility {
* @return hash value if operation succeed, null otherwise
*/
public String sha256(String aMessageToHash) {
String hashRetValue = null;
String hashRetValue = null;
if (null != aMessageToHash) {
try {
......
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