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+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#include <functional>
+#include <map>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <ziparchive/zip_archive.h>
+
+#include "verifier.h"
+
+// This class serves as a wrapper for an OTA update package. It aims to provide the common
+// interface for both packages loaded in memory and packages read from fd.
+class Package : public VerifierInterface {
+ public:
+ virtual ~Package() = default;
+
+ // Opens the package as a zip file and returns the ZipArchiveHandle.
+ virtual ZipArchiveHandle GetZipArchiveHandle() = 0;
+
+ // Updates the progress in fraction during package verification.
+ void SetProgress(float progress) override;
+
+ static std::unique_ptr<Package> CreateMemoryPackage(
+ const std::string& path, const std::function<void(float)>& set_progress);
+
+ static std::unique_ptr<Package> CreateMemoryPackage(
+ std::vector<uint8_t> content, const std::function<void(float)>& set_progress);
+
+ protected:
+ // An optional function to update the progress.
+ std::function<void(float)> set_progress_;
+};