Method open_and_parse

crypto/file_access_encrypted_custom.cpp:49–75

}

Error FileAccessEncryptedCustom::open_and_parse(Ref<FileAccess> p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic, const Vector<uint8_t> &p_iv) {
	ERR_FAIL_COND_V_MSG(file.is_valid(), ERR_ALREADY_IN_USE, vformat("Can't open file while another file from path '%s' is open.", file->get_path_absolute()));
	ERR_FAIL_COND_V(p_key.size() != 32, ERR_INVALID_PARAMETER);

	pos = 0;
	eofed = false;
	use_magic = p_with_magic;

	if (p_mode == MODE_WRITE_CUSTOM) {
		ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "Writing to a custom encrypted file is not supported.");
	} else if (p_mode == MODE_READ) {
		ERR_FAIL_NULL_V(decryptor, ERR_UNCONFIGURED);
		writing = false;
		key = p_key;
		Dictionary result = decryptor->parse_and_decrypt(p_base, key, use_magic);
		ERR_FAIL_COND_V_MSG(result.is_empty(), ERR_BUG, "Decryptor did not return a result.");
		ERR_FAIL_COND_V_MSG(!result.has("error") || !result.has("length") || !result.has("data"), ERR_BUG, "Decryptor result is missing required keys;\nEnsure that the decryptor returns a Dictionary with the following keys: 'error', 'length', and 'data'.");
		Error err = result["error"];
		ERR_FAIL_COND_V_MSG(err != OK, err, "Failed to decrypt data.");
		length = result["length"];
		data = result["data"];
		ERR_FAIL_COND_V_MSG(length != data.size(), ERR_UNAUTHORIZED, "Decrypted data size mismatch; 'length' does not match data.size()");
		file = p_base;
	}

	return OK;
}

Error FileAccessEncryptedCustom::open_and_parse_password(Ref<FileAccess> p_base, const String &p_key, Mode p_mode) {
	String cs = p_key.md5_text();