diff options
Diffstat (limited to 'java/android/OlmLibSdk/olm-sdk')
7 files changed, 264 insertions, 133 deletions
diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java index 15de09c..156ec1a 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java +++ b/java/android/OlmLibSdk/olm-sdk/src/main/java/org/matrix/olm/OlmAccount.java @@ -131,7 +131,8 @@ public class OlmAccount { /** * Generate a number of new one time keys.<br> If total number of keys stored - * by this account exceeds {@link #maxOneTimeKeys()}, the old keys are discarded. + * by this account exceeds {@link #maxOneTimeKeys()}, the old keys are discarded.<br> + * The corresponding keys are retrieved by {@link #oneTimeKeys()}. * @param aNumberOfKeys number of keys to generate * @return 0 if operation succeed, -1 otherwise */ @@ -141,15 +142,16 @@ public class OlmAccount { * Get the public parts of the unpublished "one time keys" for the account.<br> * The returned data is a JSON-formatted object with the single property * <tt>curve25519</tt>, which is itself an object mapping key id to - * base64-encoded Curve25519 key. - * These keys must be published on the server. + * base64-encoded Curve25519 key.<br> * @return byte array containing the one time keys if operation succeed, null otherwise */ private native byte[] oneTimeKeysJni(); /** * Return the "one time keys" in a JSON array.<br> - * Public API for {@link #oneTimeKeysJni()}. + * The number of "one time keys", is specified by {@link #generateOneTimeKeys(int)}<br> + * Public API for {@link #oneTimeKeysJni()}.<br> + * Note: these keys are to be published on the server. * @return one time keys in JSON array format if operation succeed, null otherwise */ public JSONObject oneTimeKeys() { diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp index 51c0ca8..ac48fd2 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp @@ -137,7 +137,7 @@ JNIEXPORT jbyteArray JNICALL Java_org_matrix_olm_OlmAccount_identityKeysJni(JNIE else { // identity keys allocation identityKeysLength = olm_account_identity_keys_length(accountPtr); - if(NULL == (identityKeysBytesPtr=(uint8_t *)malloc(identityKeysLength*sizeof(std::uint8_t)))) + if(NULL == (identityKeysBytesPtr=(uint8_t*)malloc(identityKeysLength*sizeof(uint8_t)))) { LOGE("## identityKeys(): failure - identity keys array OOM"); } @@ -245,7 +245,7 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_generateOneTimeKeys(JNIEnv } /** - * Get "one time keys". + * Get "one time keys".<br> * Return the public parts of the unpublished "one time keys" for the account * @return a valid byte array if operation succeed, null otherwise **/ @@ -372,15 +372,16 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmAccount_markOneTimeKeysAsPublished } /** - * Sign a message with the ed25519 key (fingerprint) for this account. + * Sign a message with the ed25519 key (fingerprint) for this account.<br> + * The signed message is returned by the function. * @param aMessage message to sign - * @return the corresponding signed message, null otherwise + * @return the signed message, null otherwise **/ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmAccount_signMessage(JNIEnv *env, jobject thiz, jstring aMessage) { OlmAccount* accountPtr = NULL; size_t signatureLength; - void* signaturePtr; + void* signedMsgPtr; size_t resultSign; jstring signedMsgRetValue = NULL; @@ -406,13 +407,13 @@ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmAccount_signMessage(JNIEnv *env // signature memory allocation signatureLength = olm_account_signature_length(accountPtr); - if(NULL == (signaturePtr=(void *)malloc(signatureLength*sizeof(void*)))) + if(NULL == (signedMsgPtr = (void*)malloc(signatureLength*sizeof(uint8_t)))) { LOGE("## signMessage(): failure - signature allocation OOM"); } else { // sign message - resultSign = olm_account_sign(accountPtr, (void*)messageToSign, messageLength, signaturePtr, signatureLength); + resultSign = olm_account_sign(accountPtr, (void*)messageToSign, messageLength, signedMsgPtr, signatureLength); if(resultSign == olm_error()) { const char *errorMsgPtr = olm_account_last_error(accountPtr); @@ -422,11 +423,11 @@ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmAccount_signMessage(JNIEnv *env { // convert to jstring // TODO check how UTF conversion can impact the content? // why not consider return jbyteArray? and convert in JAVA side.. - signedMsgRetValue = env->NewStringUTF((const char*)signaturePtr); // UTF8 + signedMsgRetValue = env->NewStringUTF((const char*)signedMsgPtr); // UTF8 LOGD("## signMessage(): success - retCode=%ld",resultSign); } - free(signaturePtr); + free(signedMsgPtr); } // release messageToSign @@ -454,40 +455,3 @@ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmManager_getOlmLibVersion(JNIEnv } -/** -* Read the account instance ID of the calling object. -* @return the instance ID if read succeed, -1 otherwise. -**/ -jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) -{ - jlong instanceId=-1; - jfieldID instanceIdField; - jclass loaderClass; - - if(NULL!=aJniEnv) - { - if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) - { - if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmAccountId", "J"))) - { - instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); - aJniEnv->DeleteLocalRef(loaderClass); - LOGD("## getAccountInstanceId(): read from java instanceId=%lld",instanceId); - } - else - { - LOGD("## getAccountInstanceId() ERROR! GetFieldID=null"); - } - } - else - { - LOGD("## getAccountInstanceId() ERROR! GetObjectClass=null"); - } - } - else - { - LOGD("## getAccountInstanceId() ERROR! aJniEnv=NULL"); - } - LOGD("## getAccountInstanceId() success - instanceId=%lld",instanceId); - return instanceId; -} diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h index 8ba1633..9c32912 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.h @@ -7,7 +7,6 @@ extern "C" { #endif -jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmManager_getOlmLibVersion(JNIEnv *env, jobject thiz); // account creation/destruction diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp index 93b0658..dae905d 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.cpp @@ -19,7 +19,8 @@ /** -* Init memory allocation for session creation. +* Init memory allocation for a session creation.<br> +* Make sure releaseSessionJni() is called when one is done with the session instance. * @return valid memory allocation, NULL otherwise **/ OlmSession* initializeSessionMemory() @@ -192,6 +193,7 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionJni(JNIE jint retCode = ERROR_CODE_KO; OlmSession *sessionPtr = NULL; OlmAccount *accountPtr = NULL; + const char *messagePtr = NULL; size_t sessionResult; if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz))) @@ -208,7 +210,6 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionJni(JNIE } else { // convert message to C strings - const char *messagePtr = NULL; if(NULL == (messagePtr = env->GetStringUTFChars(aOneTimeKeyMsg, 0))) { LOGE("## initInboundSessionJni(): failure - message JNI allocation OOM"); @@ -426,11 +427,10 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionFromI /** - * Encrypt a message using the session. to a base64 ciphertext.<br> - * This API may be used to process a "m.room.encrypted" event when type = 1 (PRE_KEY). - * @param aTheirIdentityKey the identity key of the sender - * @param aOneTimeKeyMsg PRE KEY message - * @return ERROR_CODE_OK if match, ERROR_CODE_KO otherwise + * Encrypt a message using the session.<br> + * @param aClearMsg clear text message + * @param [out] aEncryptedMsg ciphered message + * @return ERROR_CODE_OK if encrypt operation succeed, ERROR_CODE_KO otherwise */ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_encryptMessageJni(JNIEnv *env, jobject thiz, jstring aClearMsg, jobject aEncryptedMsg) { @@ -439,11 +439,10 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_encryptMessageJni(JNIEnv * const char *clearMsgPtr = NULL; uint8_t *randomBuffPtr = NULL; void *encryptedMsgPtr = NULL; - jclass encryptedMsgJClass; + jclass encryptedMsgJClass = 0; jfieldID encryptedMsgFieldId; jfieldID typeMsgFieldId; - if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz))) { LOGE("## encryptMessageJni(): failure - invalid Session ptr=NULL"); @@ -485,35 +484,38 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_encryptMessageJni(JNIEnv * // alloc buffer for encrypted message size_t clearMsgLength = env->GetStringUTFLength(aClearMsg); size_t encryptedMsgLength = olm_encrypt_message_length(sessionPtr, clearMsgLength); - if(NULL == (encryptedMsgPtr = (void*)malloc(encryptedMsgLength*sizeof(void*)))) + if(NULL == (encryptedMsgPtr = (void*)malloc(encryptedMsgLength*sizeof(uint8_t)))) { LOGE("## encryptMessageJni(): failure - random buffer OOM"); } - - size_t result = olm_encrypt(sessionPtr, - (void const *)clearMsgPtr, - clearMsgLength, - randomBuffPtr, - randomLength, - encryptedMsgPtr, - encryptedMsgLength); - if(result == olm_error()) - { - const char *errorMsgPtr = olm_session_last_error(sessionPtr); - LOGE("## encryptMessageJni(): failure - Msg=%s",errorMsgPtr); - } else - { - // update type: PRE KEY message or normal message - size_t messageType = olm_encrypt_message_type(sessionPtr); - env->SetLongField(aEncryptedMsg, typeMsgFieldId, (jlong)messageType); + { // encrypt message + size_t result = olm_encrypt(sessionPtr, + (void const *)clearMsgPtr, + clearMsgLength, + randomBuffPtr, + randomLength, + encryptedMsgPtr, + encryptedMsgLength); + if(result == olm_error()) + { + const char *errorMsgPtr = olm_session_last_error(sessionPtr); + LOGE("## encryptMessageJni(): failure - Msg=%s",errorMsgPtr); + } + else + { + // update message type: PRE KEY or normal + size_t messageType = olm_encrypt_message_type(sessionPtr); + env->SetLongField(aEncryptedMsg, typeMsgFieldId, (jlong)messageType); - // update message - jstring encryptedStr = env->NewStringUTF((const char*)encryptedMsgPtr); - env->SetObjectField(aEncryptedMsg, encryptedMsgFieldId, (jobject)encryptedStr); + // update message: encryptedMsgPtr => encryptedJstring + jstring encryptedJstring = env->NewStringUTF((const char*)encryptedMsgPtr); + env->SetObjectField(aEncryptedMsg, encryptedMsgFieldId, (jobject)encryptedJstring); + // TODO mem leak: check if free(encryptedMsgPtr); does not interfer with line above - retCode = ERROR_CODE_OK; - LOGD("## encryptMessageJni(): success - result=%lu Type=%lu encryptedMsg=%s", result, messageType, (const char*)encryptedMsgPtr); + retCode = ERROR_CODE_OK; + LOGD("## encryptMessageJni(): success - result=%lu Type=%lu encryptedMsg=%s", result, messageType, (const char*)encryptedMsgPtr); + } } } } @@ -529,9 +531,134 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_encryptMessageJni(JNIEnv * free(randomBuffPtr); } + if(NULL != encryptedMsgPtr) + { + free(encryptedMsgPtr); + } + return retCode; } + +/** + * Decrypt a message using the session. to a base64 ciphertext.<br> + * @param aEncryptedMsg message to decrypt + * @return decrypted message if operation succeed, null otherwise + */ +JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_decryptMessageJni(JNIEnv *env, jobject thiz, jobject aEncryptedMsg) +{ + jstring decryptedMsgRetValue = 0; + jclass encryptedMsgJclass = 0; + jstring encryptedMsgJstring = 0; // <= obtained from encryptedMsgFieldId + // field IDs + jfieldID encryptedMsgFieldId; + jfieldID typeMsgFieldId; + // ptrs + OlmSession *sessionPtr = NULL; + const char *encryptedMsgPtr = NULL; // <= obtained from encryptedMsgJstring + void *decryptedMsgPtr = NULL; + char *tempEncryptedPtr = NULL; + + + if(NULL == (sessionPtr = (OlmSession*)getSessionInstanceId(env,thiz))) + { + LOGE("## decryptMessageJni(): failure - invalid Session ptr=NULL"); + } + else if(0 == aEncryptedMsg) + { + LOGE("## decryptMessageJni(): failure - invalid clear message"); + } + else if(0 == (encryptedMsgJclass = env->GetObjectClass(aEncryptedMsg))) + { + LOGE("## decryptMessageJni(): failure - unable to get crypted message class"); + } + else if(0 == (encryptedMsgFieldId = env->GetFieldID(encryptedMsgJclass,"mCipherText","Ljava/lang/String;"))) + { + LOGE("## decryptMessageJni(): failure - unable to get message field"); + } + else if(0 == (typeMsgFieldId = env->GetFieldID(encryptedMsgJclass,"mType","I"))) + { + LOGE("## decryptMessageJni(): failure - unable to get message type field"); + } + else if(0 == (encryptedMsgJstring = (jstring)env->GetObjectField(aEncryptedMsg, encryptedMsgFieldId))) + { + LOGE("## decryptMessageJni(): failure - JNI encrypted object "); + } + else if(0 == (encryptedMsgPtr = env->GetStringUTFChars(encryptedMsgJstring, 0))) + { + LOGE("## decryptMessageJni(): failure - encrypted message JNI allocation OOM"); + } + else + { + // get message type + jlong encryptedMsgType = env->GetLongField(aEncryptedMsg, typeMsgFieldId); + // get encrypted message length + size_t encryptedMsgLength = env->GetStringUTFLength(encryptedMsgJstring); + + // create a dedicated temp buffer to be used in next Olm API calls + tempEncryptedPtr = (char*)malloc(encryptedMsgLength*sizeof(uint8_t)); + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + LOGD("## decryptMessageJni(): encryptedMsgType=%lld encryptedMsgLength=%lu encryptedMsg=%s",encryptedMsgType,encryptedMsgLength,encryptedMsgPtr); + + // get max plaintext length + size_t maxPlaintextLength = olm_decrypt_max_plaintext_length(sessionPtr, + encryptedMsgType, + (void*)tempEncryptedPtr, + encryptedMsgLength); + // Note: tempEncryptedPtr was destroyed by olm_decrypt_max_plaintext_length() + + if(maxPlaintextLength == olm_error()) + { + const char *errorMsgPtr = olm_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_decrypt_max_plaintext_length Msg=%s",errorMsgPtr); + } + else + { + // allocate output decrypted message + decryptedMsgPtr = (void*)malloc(maxPlaintextLength*sizeof(uint8_t)); + + // decrypt but before reload encrypted buffer (previous one was destroyed) + memcpy(tempEncryptedPtr, encryptedMsgPtr, encryptedMsgLength); + size_t plaintextLength = olm_decrypt(sessionPtr, + encryptedMsgType, + (void*)encryptedMsgPtr, + encryptedMsgLength, + (void*)decryptedMsgPtr, + maxPlaintextLength); + if(plaintextLength == olm_error()) + { + const char *errorMsgPtr = olm_session_last_error(sessionPtr); + LOGE("## decryptMessageJni(): failure - olm_decrypt Msg=%s",errorMsgPtr); + } + else + { + decryptedMsgRetValue = env->NewStringUTF((const char*)decryptedMsgPtr); + } + } + } + + // free alloc + if(NULL != encryptedMsgPtr) + { + env->ReleaseStringUTFChars(encryptedMsgJstring, encryptedMsgPtr); + } + + if(NULL != tempEncryptedPtr) + { + free(tempEncryptedPtr); + } + + if(NULL != decryptedMsgPtr) + { + free(decryptedMsgPtr); + } + + return decryptedMsgRetValue; +} + + + + /** * Get the session identifier for this session. * @return the session identifier if operation succeed, null otherwise @@ -549,7 +676,7 @@ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_getSessionIdentifierJni { LOGE("## getSessionIdentifierJni(): failure - invalid Session ptr=NULL"); } - else if(NULL == (sessionIdPtr = (void*)malloc(lengthSessId*sizeof(void*)))) + else if(NULL == (sessionIdPtr = (void*)malloc(lengthSessId*sizeof(uint8_t)))) { LOGE("## getSessionIdentifierJni(): failure - identifier allocation OOM"); } @@ -571,42 +698,3 @@ JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_getSessionIdentifierJni return returnValueStr; } -/** -* Read the account instance ID of the calling object (aJavaObject) passed in parameter. -* @param aJniEnv pointer pointing on the JNI function table -* @param aJavaObject reference to the object on which the method is invoked -* @return the instance ID if read succeed, -1 otherwise. -**/ -jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) -{ - jlong instanceId=-1; - jfieldID instanceIdField; - jclass loaderClass; - - if(NULL!=aJniEnv) - { - if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) - { - if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmSessionId", "J"))) - { - instanceId = aJniEnv->GetIntField(aJavaObject, instanceIdField); - aJniEnv->DeleteLocalRef(loaderClass); - } - else - { - LOGD("## getSessionInstanceId() ERROR! GetFieldID=null"); - } - } - else - { - LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null"); - } - } - else - { - LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL"); - } - - LOGD("## getSessionInstanceId() success - instanceId=%lld",instanceId); - return instanceId; -} diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h index 8e162b0..b04e71e 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_session.h @@ -7,8 +7,6 @@ extern "C" { #endif -jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); - // session creation/destruction JNIEXPORT void JNICALL Java_org_matrix_olm_OlmSession_releaseSessionJni(JNIEnv *env, jobject thiz); JNIEXPORT jlong JNICALL Java_org_matrix_olm_OlmSession_initNewSessionJni(JNIEnv *env, jobject thiz); @@ -24,15 +22,12 @@ JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_initInboundSessionFromIdKe JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionJni(JNIEnv *env, jobject thiz, jstring aOneTimeKeyMsg); JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_matchesInboundSessionFromIdKeyJni(JNIEnv *env, jobject thiz, jstring aTheirIdentityKey, jstring aOneTimeKeyMsg); +// encrypt/decrypt JNIEXPORT jint JNICALL Java_org_matrix_olm_OlmSession_encryptMessageJni(JNIEnv *env, jobject thiz, jstring aClearMsg, jobject aEncryptedMsg); +JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_decryptMessageJni(JNIEnv *env, jobject thiz, jobject aEncryptedMsg); JNIEXPORT jstring JNICALL Java_org_matrix_olm_OlmSession_getSessionIdentifierJni(JNIEnv *env, jobject thiz); - -// signing - - - #ifdef __cplusplus } #endif diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp index 9abd228..4f96e10 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.cpp @@ -50,11 +50,92 @@ bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize) { (*aBuffer2Ptr)[i] = (uint8_t)(rand()%ACCOUNT_CREATION_RANDOM_MODULO); - // TODO debug purpose - remove asap - LOGD("## setRandomInBuffer(): randomBuffPtr[%ld]=%d",i, (*aBuffer2Ptr)[i]); + // debug purpose + //LOGD("## setRandomInBuffer(): randomBuffPtr[%ld]=%d",i, (*aBuffer2Ptr)[i]); } retCode = true; } return retCode; -}
\ No newline at end of file +} + + +/** +* Read the account instance ID of the calling object. +* @param aJniEnv pointer pointing on the JNI function table +* @param aJavaObject reference to the object on which the method is invoked +* @return the instance ID if operation succeed, -1 if instance ID was not found. +**/ +jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) +{ + jlong instanceId=-1; + jfieldID instanceIdField; + jclass loaderClass; + + if(NULL!=aJniEnv) + { + if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) + { + if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmAccountId", "J"))) + { + instanceId = aJniEnv->GetLongField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + LOGD("## getAccountInstanceId(): read from java instanceId=%lld",instanceId); + } + else + { + LOGD("## getAccountInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getAccountInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getAccountInstanceId() ERROR! aJniEnv=NULL"); + } + LOGD("## getAccountInstanceId() success - instanceId=%lld",instanceId); + return instanceId; +} + +/** +* Read the account instance ID of the calling object (aJavaObject).<br> +* @param aJniEnv pointer pointing on the JNI function table +* @param aJavaObject reference to the object on which the method is invoked +* @return the instance ID if read succeed, -1 otherwise. +**/ +jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject) +{ + jlong instanceId=-1; + jfieldID instanceIdField; + jclass loaderClass; + + if(NULL!=aJniEnv) + { + if(0 != (loaderClass=aJniEnv->GetObjectClass(aJavaObject))) + { + if(0 != (instanceIdField=aJniEnv->GetFieldID(loaderClass, "mNativeOlmSessionId", "J"))) + { + instanceId = aJniEnv->GetIntField(aJavaObject, instanceIdField); + aJniEnv->DeleteLocalRef(loaderClass); + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetFieldID=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! GetObjectClass=null"); + } + } + else + { + LOGD("## getSessionInstanceId() ERROR! aJniEnv=NULL"); + } + + LOGD("## getSessionInstanceId() success - instanceId=%lld",instanceId); + return instanceId; +} diff --git a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h index bf29eed..6683c68 100644 --- a/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_utility.h @@ -7,6 +7,8 @@ extern "C" { #endif bool setRandomInBuffer(uint8_t **aBuffer2Ptr, size_t aRandomSize); +jlong getSessionInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); +jlong getAccountInstanceId(JNIEnv* aJniEnv, jobject aJavaObject); #ifdef __cplusplus } |