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Code Issues Releases Wiki Activity

Add Java wrapper for olm_session_describe 

Signed-off-by: Alex Baker <alex@beeper.com>
java_describe
Alex Baker 2022-02-15 15:04:10 -06:00 committed by Hubert Chathi
parent 9d66965962
commit dcf5582f8a
5 changed files with 142 additions and 0 deletions
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71
android/olm-sdk/src/androidTest/java/org/matrix/olm/OlmSessionTest.java
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@ -1011,4 +1011,75 @@ public class OlmSessionTest {
assertTrue(bobSession.isReleased());
}
@Test
public void test07AliceBobSessionDescribe() {
// creates alice & bob accounts
OlmAccount aliceAccount = null;
OlmAccount bobAccount = null;
try {
aliceAccount = new OlmAccount();
bobAccount = new OlmAccount();
} catch (OlmException e) {
fail(e.getMessage());
}
// test accounts creation
assertTrue(0 != bobAccount.getOlmAccountId());
assertTrue(0 != aliceAccount.getOlmAccountId());
// CREATE ALICE SESSION
OlmSession aliceSession = null;
try {
aliceSession = new OlmSession();
} catch (OlmException e) {
fail("Exception Msg=" + e.getMessage());
}
assertTrue(0 != aliceSession.getOlmSessionId());
// CREATE ALICE SESSION
OlmSession bobSession = null;
try {
bobSession = new OlmSession();
} catch (OlmException e) {
e.printStackTrace();
fail(e.getMessage());
}
assertTrue(0 != bobSession.getOlmSessionId());
String aliceSessionDescribe = null;
try {
aliceSessionDescribe = aliceSession.sessionDescribe();
} catch (Exception e) {
fail(e.getMessage());
}
assertNotNull(aliceSessionDescribe);
String bobSessionDescribe = null;
try {
bobSessionDescribe = bobSession.sessionDescribe();
} catch (Exception e) {
fail(e.getMessage());
}
assertNotNull(bobSessionDescribe);
// must be the same for both ends of the conversation
assertEquals(aliceSessionDescribe, bobSessionDescribe);
assertEquals(
"sender chain index: 0 receiver chain indices: skipped message keys:",
aliceSessionDescribe
);
aliceAccount.releaseAccount();
bobAccount.releaseAccount();
assertTrue(aliceAccount.isReleased());
assertTrue(bobAccount.isReleased());
bobSession.releaseSession();
aliceSession.releaseSession();
assertTrue(bobSession.isReleased());
assertTrue(aliceSession.isReleased());
}
}

1
android/olm-sdk/src/main/java/org/matrix/olm/OlmException.java
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@ -60,6 +60,7 @@ public class OlmException extends IOException {
public static final int EXCEPTION_CODE_SESSION_ENCRYPT_MESSAGE = 404;
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_SESSION_SESSION_DESCRIBE = 407;
public static final int EXCEPTION_CODE_UTILITY_CREATION = 500;
public static final int EXCEPTION_CODE_UTILITY_VERIFY_SIGNATURE = 501;

17
android/olm-sdk/src/main/java/org/matrix/olm/OlmSession.java
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@ -223,6 +223,23 @@ public class OlmSession extends CommonSerializeUtils implements Serializable {
*/
private native byte[] getSessionIdentifierJni();
public String sessionDescribe() throws OlmException {
try {
byte[] buffer = olmSessionDescribeJni();
if (null != buffer) {
return new String(buffer, "UTF-8");
}
} catch (Exception e) {
Log.e(LOG_TAG, "## sessionDescribe(): " + e.getMessage());
throw new OlmException(OlmException.EXCEPTION_CODE_SESSION_SESSION_DESCRIBE, e.getMessage());
}
return null;
}
private native byte[] olmSessionDescribeJni();
/**
* Checks if the PRE_KEY({@link OlmMessage#MESSAGE_TYPE_PRE_KEY}) message is for this in-bound session.<br>
* This API may be used to process a "m.room.encrypted" event when type = 1 (PRE_KEY).

52
android/olm-sdk/src/main/jni/olm_session.cpp
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@ -798,6 +798,58 @@ JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env,
return returnValue;
}
JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(olmSessionDescribeJni(JNIEnv *env, jobject thiz))
{
const char* errorMessage = NULL;
jbyteArray returnValue = 0;
LOGD("## olmSessionDescribeJni(): IN ");
OlmSession *sessionPtr = getSessionInstanceId(env, thiz);
if (!sessionPtr)
{
LOGE("## olmSessionDescribeJni(): failure - invalid Session ptr=NULL");
errorMessage = "invalid Session ptr=NULL";
}
else
{
int maxLength = 600;
char* describePtr = NULL;
describePtr = (char*) malloc(maxLength * sizeof *describePtr);
if (!describePtr)
{
LOGE("## olmSessionDescribeJni(): failure - describe allocation OOM");
errorMessage = "describe allocation OOM";
}
else
{
olm_session_describe(sessionPtr, describePtr, maxLength);
int length = strlen(describePtr);
if (length == 0)
{
LOGE("## olmSessionDescribeJni(): failure - get session describe");
}
else
{
LOGD("## olmSessionDescribeJni(): success - describe=%.*s", (char*)describePtr);
returnValue = env->NewByteArray(length);
env->SetByteArrayRegion(returnValue, 0, length, (jbyte*)describePtr);
}
free(describePtr);
}
}
if (errorMessage)
{
env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage);
}
return returnValue;
}
/**
* Serialize and encrypt session instance.<br>
* An exception is thrown if the operation fails.

1
android/olm-sdk/src/main/jni/olm_session.h
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@ -47,6 +47,7 @@ JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(encryptMessageJni)(JNIEnv *env, jobjec
JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(decryptMessageJni)(JNIEnv *env, jobject thiz, jobject aEncryptedMsg);
JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(getSessionIdentifierJni)(JNIEnv *env, jobject thiz);
JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(olmSessionDescribeJni)(JNIEnv *env, jobject thiz);
// serialization
JNIEXPORT jbyteArray OLM_SESSION_FUNC_DEF(serializeJni)(JNIEnv *env, jobject thiz, jbyteArray aKey);