diff options
author | pedroGitt <pedro.contreiras@amdocs.com> | 2016-10-13 09:36:43 +0200 |
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committer | pedroGitt <pedro.contreiras@amdocs.com> | 2016-10-13 09:36:43 +0200 |
commit | 502de788f4ba77604de7354e9945ea9e199ebc75 (patch) | |
tree | deb02fd5d2e5abc9cd49b232e7443b5bbd62a1f6 /java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp | |
parent | 6ea9fb450ec1ef10b32d65ceb00a6042b927a95c (diff) | |
parent | f88ee7677ccee62ae2ddb1d0125ec673b0b39bd7 (diff) |
Merge remote-tracking branch 'origin/pedroc/android_e2e' into pedroc/android_e2e_dev
Diffstat (limited to 'java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp')
-rw-r--r-- | java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp | 462 |
1 files changed, 462 insertions, 0 deletions
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 new file mode 100644 index 0000000..2a5ab6f --- /dev/null +++ b/java/android/OlmLibSdk/olm-sdk/src/main/jni/olm_account.cpp @@ -0,0 +1,462 @@ +/* + * Copyright 2016 OpenMarket Ltd + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "olm_account.h" +#include "olm_utility.h" + +/** +* Init memory allocation for account creation. +* @return valid memory alocation, NULL otherwise +**/ +OlmAccount* initializeAccountMemory() +{ + OlmAccount* accountPtr = NULL; + size_t accountSize = olm_account_size(); + + if(NULL != (accountPtr=(OlmAccount*)malloc(accountSize))) + { // init account object + accountPtr = olm_account(accountPtr); + LOGD("## initializeAccountMemory(): success - OLM account size=%lu",accountSize); + } + else + { + LOGE("## initializeAccountMemory(): failure - OOM"); + } + + return accountPtr; +} + +/** + * Release the account allocation made by initializeAccountMemory().<br> + * This method MUST be called when java counter part account instance is done. + * + */ +JNIEXPORT void OLM_ACCOUNT_FUNC_DEF(releaseAccountJni)(JNIEnv *env, jobject thiz) +{ + OlmAccount* accountPtr = NULL; + + LOGD("## releaseAccountJni(): accountPtr=%p",accountPtr); + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## releaseAccountJni(): failure - invalid Account ptr=NULL"); + } + else + { + olm_clear_account(accountPtr); + + LOGD("## releaseAccountJni(): IN"); + // even if free(NULL) does not crash, logs are performed for debug purpose + free(accountPtr); + LOGD("## releaseAccountJni(): OUT"); + } +} + +/** +* Initialize a new account and return it to JAVA side.<br> +* Since a C prt is returned as a jlong, special care will be taken +* to make the cast (OlmAccount* => jlong) platform independant. +* @return the initialized OlmAccount* instance if init succeed, NULL otherwise +**/ +JNIEXPORT jlong OLM_ACCOUNT_FUNC_DEF(initNewAccountJni)(JNIEnv *env, jobject thiz) +{ + OlmAccount *accountPtr = NULL; + uint8_t *randomBuffPtr = NULL; + size_t accountRetCode; + size_t randomSize; + + // init account memory allocation + if(NULL == (accountPtr = initializeAccountMemory())) + { + LOGE("## initNewAccount(): failure - init account OOM"); + } + else + { + // allocate random buffer + randomSize = olm_create_account_random_length(accountPtr); + if(!setRandomInBuffer(&randomBuffPtr, randomSize)) + { + LOGE("## initNewAccount(): failure - random buffer init"); + } + else + { + // create account + accountRetCode = olm_create_account(accountPtr, (void*)randomBuffPtr, randomSize); + if(accountRetCode == olm_error()) { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGE("## initNewAccount(): failure - account creation failed Msg=%s", errorMsgPtr); + } + + LOGD("## initNewAccount(): success - OLM account created"); + LOGD("## initNewAccount(): success - accountPtr=%p (jlong)(intptr_t)accountPtr=%lld",accountPtr,(jlong)(intptr_t)accountPtr); + } + } + + if(NULL != randomBuffPtr) + { + free(randomBuffPtr); + } + + return (jlong)(intptr_t)accountPtr; +} + + + +// ********************************************************************* +// ************************* IDENTITY KEYS API ************************* +// ********************************************************************* +/** +* Get identity keys: Ed25519 fingerprint key and Curve25519 identity key.<br> +* The keys are returned in the byte array. +* @return a valid byte array if operation succeed, null otherwise +**/ +JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(identityKeysJni)(JNIEnv *env, jobject thiz) +{ + OlmAccount* accountPtr = NULL; + size_t identityKeysLength; + uint8_t *identityKeysBytesPtr; + size_t keysResult; + jbyteArray byteArrayRetValue = NULL; + + LOGD("## identityKeys(): accountPtr =%p",accountPtr); + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## identityKeys(): failure - invalid Account ptr=NULL"); + } + else + { // identity keys allocation + identityKeysLength = olm_account_identity_keys_length(accountPtr); + if(NULL == (identityKeysBytesPtr=(uint8_t*)malloc(identityKeysLength*sizeof(uint8_t)))) + { + LOGE("## identityKeys(): failure - identity keys array OOM"); + } + else + { // retrieve key pairs in identityKeysBytesPtr + keysResult = olm_account_identity_keys(accountPtr, identityKeysBytesPtr, identityKeysLength); + if(keysResult == olm_error()) { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGE("## identityKeys(): failure - error getting identity keys Msg=%s",errorMsgPtr); + } + else + { // allocate the byte array to be returned to java + if(NULL == (byteArrayRetValue=env->NewByteArray(identityKeysLength))) + { + LOGE("## identityKeys(): failure - return byte array OOM"); + } + else + { + env->SetByteArrayRegion(byteArrayRetValue, 0/*offset*/, identityKeysLength, (const jbyte*)identityKeysBytesPtr); + LOGD("## identityKeys(): success - result=%ld", keysResult); + } + } + + free(identityKeysBytesPtr); + } + } + + return byteArrayRetValue; +} + +// ********************************************************************* +// ************************* ONE TIME KEYS API ************************* +// ********************************************************************* +/** + * Get the maximum number of "one time keys" the account can store. + * +**/ +JNIEXPORT jlong OLM_ACCOUNT_FUNC_DEF(maxOneTimeKeys)(JNIEnv *env, jobject thiz) +{ + OlmAccount* accountPtr = NULL; + size_t maxKeys = -1; + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## maxOneTimeKey(): failure - invalid Account ptr=NULL"); + } + else + { + maxKeys = olm_account_max_number_of_one_time_keys(accountPtr); + } + LOGD("## maxOneTimeKey(): Max keys=%ld", maxKeys); + + return (jlong)maxKeys; +} + +/** + * Generate "one time keys". + * @param aNumberOfKeys number of keys to generate + * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise +**/ +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(generateOneTimeKeys)(JNIEnv *env, jobject thiz, jint aNumberOfKeys) +{ + OlmAccount *accountPtr = NULL; + uint8_t *randomBufferPtr = NULL; + jint retCode = ERROR_CODE_KO; + size_t randomLength; + size_t result; + + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## generateOneTimeKeys(): failure - invalid Account ptr"); + } + else + { // keys memory allocation + randomLength = olm_account_generate_one_time_keys_random_length(accountPtr, (size_t)aNumberOfKeys); + LOGD("## generateOneTimeKeys(): randomLength=%ld", randomLength); + + if(!setRandomInBuffer(&randomBufferPtr, randomLength)) + { + LOGE("## generateOneTimeKeys(): failure - random buffer init"); + } + else + { + LOGD("## generateOneTimeKeys(): accountPtr =%p aNumberOfKeys=%d",accountPtr, aNumberOfKeys); + + // retrieve key pairs in keysBytesPtr + result = olm_account_generate_one_time_keys(accountPtr, (size_t)aNumberOfKeys, (void*)randomBufferPtr, randomLength); + if(result == olm_error()) { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGE("## generateOneTimeKeys(): failure - error generating one time keys Msg=%s",errorMsgPtr); + } + else + { + retCode = ERROR_CODE_OK; + LOGD("## generateOneTimeKeys(): success - result=%ld", result); + } + } + } + + if(NULL != randomBufferPtr) + { + free(randomBufferPtr); + } + + return retCode; +} + +/** + * 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 +**/ +JNIEXPORT jbyteArray OLM_ACCOUNT_FUNC_DEF(oneTimeKeysJni)(JNIEnv *env, jobject thiz) +{ + OlmAccount* accountPtr = NULL; + size_t keysLength; + uint8_t *keysBytesPtr; + size_t keysResult; + jbyteArray byteArrayRetValue = NULL; + + LOGD("## oneTimeKeys(): accountPtr =%p",accountPtr); + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## oneTimeKeys(): failure - invalid Account ptr"); + } + else + { // keys memory allocation + keysLength = olm_account_one_time_keys_length(accountPtr); + if(NULL == (keysBytesPtr=(uint8_t *)malloc(keysLength*sizeof(uint8_t)))) + { + LOGE("## oneTimeKeys(): failure - one time keys array OOM"); + } + else + { // retrieve key pairs in keysBytesPtr + keysResult = olm_account_one_time_keys(accountPtr, keysBytesPtr, keysLength); + if(keysResult == olm_error()) { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGE("## oneTimeKeys(): failure - error getting one time keys Msg=%s",errorMsgPtr); + } + else + { // allocate the byte array to be returned to java + if(NULL == (byteArrayRetValue=env->NewByteArray(keysLength))) + { + LOGE("## oneTimeKeys(): failure - return byte array OOM"); + } + else + { + env->SetByteArrayRegion(byteArrayRetValue, 0/*offset*/, keysLength, (const jbyte*)keysBytesPtr); + LOGD("## oneTimeKeys(): success"); + } + } + + free(keysBytesPtr); + } + } + + return byteArrayRetValue; +} + +/** + * Remove the "one time keys" that the session used from the account. + * Return the public parts of the unpublished "one time keys" for the account + * @param aNativeOlmSessionId session instance + * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS if no matching keys, ERROR_CODE_KO otherwise +**/ +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(removeOneTimeKeysForSession)(JNIEnv *env, jobject thiz, jlong aNativeOlmSessionId) +{ + jint retCode = ERROR_CODE_KO; + OlmAccount* accountPtr = NULL; + OlmSession* sessionPtr = (OlmSession*)aNativeOlmSessionId; + size_t result; + + if(NULL == sessionPtr) + { + LOGE("## removeOneTimeKeysForSession(): failure - invalid session ptr"); + } + else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## removeOneTimeKeysForSession(): failure - invalid account ptr"); + } + else + { + result = olm_remove_one_time_keys(accountPtr, sessionPtr); + if(result == olm_error()) + { // the account doesn't have any matching "one time keys".. + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGW("## removeOneTimeKeysForSession(): failure - removing one time keys Msg=%s",errorMsgPtr); + + retCode = ERROR_CODE_NO_MATCHING_ONE_TIME_KEYS; + } + else + { + retCode = ERROR_CODE_OK; + LOGD("## removeOneTimeKeysForSession(): success"); + } + } + + return retCode; +} + +/** + * Mark the current set of "one time keys" as being published. + * @return ERROR_CODE_OK if operation succeed, ERROR_CODE_KO otherwise +**/ +JNIEXPORT jint OLM_ACCOUNT_FUNC_DEF(markOneTimeKeysAsPublished)(JNIEnv *env, jobject thiz) +{ + jint retCode = ERROR_CODE_OK; + OlmAccount* accountPtr = NULL; + size_t result; + + if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## markOneTimeKeysPublished(): failure - invalid account ptr"); + retCode = ERROR_CODE_KO; + } + else + { + result = olm_account_mark_keys_as_published(accountPtr); + if(result == olm_error()) + { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGW("## markOneTimeKeysPublished(): failure - Msg=%s",errorMsgPtr); + retCode = ERROR_CODE_KO; + } + else + { + LOGD("## markOneTimeKeysPublished(): success - retCode=%ld",result); + } + } + + return retCode; +} + +/** + * 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 signed message, null otherwise +**/ +JNIEXPORT jstring OLM_ACCOUNT_FUNC_DEF(signMessage)(JNIEnv *env, jobject thiz, jstring aMessage) +{ + OlmAccount* accountPtr = NULL; + size_t signatureLength; + void* signedMsgPtr; + size_t resultSign; + jstring signedMsgRetValue = NULL; + + if(NULL == aMessage) + { + LOGE("## signMessage(): failure - invalid aMessage param"); + } + else if(NULL == (accountPtr = (OlmAccount*)getAccountInstanceId(env,thiz))) + { + LOGE("## signMessage(): failure - invalid account ptr"); + } + else + { + // convert message from JAVA to C string + const char* messageToSign = env->GetStringUTFChars(aMessage, 0); + if(NULL == messageToSign) + { + LOGE("## signMessage(): failure - message JNI allocation OOM"); + } + else + { + int messageLength = env->GetStringUTFLength(aMessage); + + // signature memory allocation + signatureLength = olm_account_signature_length(accountPtr); + 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, (size_t)messageLength, signedMsgPtr, signatureLength); + if(resultSign == olm_error()) + { + const char *errorMsgPtr = olm_account_last_error(accountPtr); + LOGE("## signMessage(): failure - error signing message Msg=%s",errorMsgPtr); + } + else + { // 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*)signedMsgPtr); // UTF8 + LOGD("## signMessage(): success - retCode=%ld",resultSign); + } + + free(signedMsgPtr); + } + + // release messageToSign + env->ReleaseStringUTFChars(aMessage, messageToSign); + } + } + + return signedMsgRetValue; +} + + +JNIEXPORT jstring OLM_MANAGER_FUNC_DEF(getOlmLibVersion)(JNIEnv* env, jobject thiz) +{ + uint8_t majorVer=0, minorVer=0, patchVer=0; + jstring returnValueStr=0; + char buff[150]; + + olm_get_library_version(&majorVer, &minorVer, &patchVer); + LOGD("## getOlmLibVersion(): Major=%d Minor=%d Patch=%d", majorVer, minorVer, patchVer); + + snprintf(buff, sizeof(buff), " V%d.%d.%d", majorVer, minorVer, patchVer); + returnValueStr = env->NewStringUTF((const char*)buff); + + return returnValueStr; +} + + |