/*
* (non-Javadoc)
*
* @see org.irods.jargon.datautils.datacache.AccountCacheService#
* putSerializedEncryptedObjectIntoCache(java.lang.Object, java.lang.String)
*/
@Override
public String putSerializedEncryptedObjectIntoCache(
final Object informationObject, final String key) throws JargonException {
if (informationObject == null) {
throw new IllegalArgumentException("null informationObject");
}
if (key == null || key.isEmpty()) {
throw new IllegalArgumentException("null key");
}
checkContracts();
log.info("putInformationIntoCache()");
// clean up old files? (or in a sep thread?) make an option based on
// created date and window
log.info("checking on purge of old requests...");
if (getCacheServiceConfiguration().isDoCleanupDuringRequests()) {
purgeOldRequests();
}
int keyHash = key.hashCode();
log.info("generated hash for key:{}", keyHash);
// serialize and encrypt object
log.info("serializing object to byte buffer...");
byte[] serializedObject = serializeObjectToByteStream(informationObject, key);
log.info("object serialized into:{} bytes", serializedObject.length);
log.info("encrypting...");
CacheEncryptor cacheEncryptor = new CacheEncryptor(key);
byte[] encrypted = cacheEncryptor.encrypt(serializedObject);
log.info("bytes now encrypted for length:{}", encrypted.length);
// store in file
String irodsFileAbsolutePath = buildIRODSFileAbsolutePath(keyHash, irodsAccount.getUserName());
log.info("storing to file at absolute path: {}", irodsFileAbsolutePath);
IRODSFile cacheFile =
getIrodsAccessObjectFactory()
.getIRODSFileFactory(irodsAccount)
.instanceIRODSFile(irodsFileAbsolutePath);
createCacheFileAndCacheDir(cacheFile);
Stream2StreamAO stream2StreamAO =
getIrodsAccessObjectFactory().getStream2StreamAO(irodsAccount);
stream2StreamAO.streamBytesToIRODSFile(encrypted, cacheFile);
log.info("done...");
return irodsFileAbsolutePath;
}
/*
* (non-Javadoc)
*
* @see org.irods.jargon.datautils.datacache.AccountCacheService#
* putStringValueIntoCache(java.lang.String, java.lang.String)
*/
@Override
public String putStringValueIntoCache(final String stringToCache, final String key)
throws JargonException {
if (stringToCache == null) {
throw new IllegalArgumentException("null stringToCache");
}
if (key == null || key.isEmpty()) {
throw new IllegalArgumentException("null key");
}
checkContracts();
log.info("putStringValueIntoCache()");
log.info("checking on purge of old requests...");
if (getCacheServiceConfiguration().isDoCleanupDuringRequests()) {
purgeOldRequests();
}
int keyHash = key.hashCode();
log.info("generated hash for key:{}", keyHash);
byte[] stringData = stringToCache.getBytes();
log.info("encrypting...");
CacheEncryptor cacheEncryptor = new CacheEncryptor(key);
byte[] encrypted = cacheEncryptor.encrypt(stringData);
log.info("bytes now encrypted for length:{}", encrypted.length);
// store in file
String irodsFileAbsolutePath = buildIRODSFileAbsolutePath(keyHash, irodsAccount.getUserName());
log.info("storing to file at absolute path: {}", irodsFileAbsolutePath);
IRODSFile cacheFile =
getIrodsAccessObjectFactory()
.getIRODSFileFactory(irodsAccount)
.instanceIRODSFile(irodsFileAbsolutePath);
createCacheFileAndCacheDir(cacheFile);
Stream2StreamAO stream2StreamAO =
getIrodsAccessObjectFactory().getStream2StreamAO(irodsAccount);
stream2StreamAO.streamBytesToIRODSFile(encrypted, cacheFile);
log.info("done...");
return irodsFileAbsolutePath;
}
/*
* (non-Javadoc)
*
* @see org.irods.jargon.datautils.datacache.AccountCacheService#
* retrieveObjectFromCache(java.lang.String, java.lang.String)
*/
@Override
public Object retrieveObjectFromCache(final String userName, final String key)
throws JargonException {
if (key == null || key.isEmpty()) {
throw new IllegalArgumentException("null key");
}
if (userName == null || userName.isEmpty()) {
throw new IllegalArgumentException("null userName");
}
log.info("retrieveObjectFromCache() user name:{}", userName);
log.info("key", key);
checkContracts();
if (getCacheServiceConfiguration().isDoCleanupDuringRequests()) {
purgeOldRequests();
}
// build hash of key and look for file
int keyHash = key.hashCode();
log.info("generated hash for key:{}", keyHash);
String irodsFileAbsolutePath = buildIRODSFileAbsolutePath(keyHash, irodsAccount.getUserName());
log.info("looking for cache file at path:{}", irodsFileAbsolutePath);
IRODSFile cacheFile =
getIrodsAccessObjectFactory()
.getIRODSFileFactory(irodsAccount)
.instanceIRODSFile(irodsFileAbsolutePath);
Stream2StreamAO stream2StreamAO =
getIrodsAccessObjectFactory().getStream2StreamAO(irodsAccount);
byte[] fileBytes = stream2StreamAO.streamFileToByte(cacheFile);
log.info("decrypting data based on provided key....");
CacheEncryptor cacheEncryptor = new CacheEncryptor(key);
fileBytes = cacheEncryptor.decrypt(fileBytes);
log.info("streamed file into bytes for length of: {}", fileBytes.length);
log.info("deserialzing...");
return deserializeStreamToObject(fileBytes, key);
}
