Method encryptIntermediateFile

hi_scripting/scripting/api/ScriptExpansion.cpp:1923–1998

}

bool ScriptEncryptedExpansion::encryptIntermediateFile(MainController* mc, const File& f, File expRoot)
{
	auto& h = mc->getExpansionHandler();

	auto key = h.getEncryptionKey();

	if (key.isEmpty())
		return h.setErrorMessage("Can't encode credentials without encryption key", true);

#if HISE_USE_XML_FOR_HXI
	ScopedPointer<XmlElement> xml = XmlDocument::parse(f);

	if (xml == nullptr)
		return h.setErrorMessage("Can't parse XML", true);

	auto hxiData = ValueTree::fromXml(*xml);
#else
	FileInputStream fis(f);
	auto hxiData = ValueTree::readFromStream(fis);
#endif

	if (hxiData.getType() != Identifier("Expansion"))
		return h.setErrorMessage("Invalid .hxi file", true);

	if (expRoot == File())
	{
		auto hxiName = hxiData.getChildWithName(ExpansionIds::ExpansionInfo).getProperty(ExpansionIds::Name).toString();

		if (hxiName.isEmpty())
			return h.setErrorMessage("Can't get expansion name", true);

		expRoot = h.getExpansionFolder().getChildFile(hxiName);
	}

	if (!expRoot.isDirectory())
		expRoot.createDirectory();

	auto hash = (int64)hxiData.getChildWithName(ExpansionIds::ExpansionInfo)[ExpansionIds::Hash];

	if (hash != key.hashCode64())
		return h.setErrorMessage("embedded key does not match encryption key", true);

	auto obj = h.getCredentials();

	if (!obj.isObject())
		return h.setErrorMessage("No credentials set for encryption", true);

	auto c = ValueTreeConverters::convertDynamicObjectToBase64(var(obj), "Credentials", true);
	auto credentialsHash = c.hashCode64();

	ValueTree credTree(ExpansionIds::Credentials);

	MemoryBlock mb;
	mb.fromBase64Encoding(c);

	if (ScopedPointer<BlowFish> bf = createBlowfish(mc))
		bf->encrypt(mb);
	else