Merge branch '6006-q-latest_update' into 'v1-q' (f4b3d3d8) · Commits · e / os / android_packages_apps_Updater

src/org/lineageos/updater/misc/Utils.java

+80 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.net.ConnectivityManager;
		import android.net.NetworkInfo;
		import android.net.Uri;
		import android.os.BatteryManager;
		import android.os.Build;
		import android.os.Environment;
		import android.os.StatFs;
		import android.os.SystemProperties;
		@@ -52,13 +53,18 @@ import org.lineageos.updater.model.UpdateInfo;
		import java.io.BufferedReader;
		import java.io.File;
		import java.io.FileReader;
		import java.io.FileWriter;
		import java.io.IOException;
		import java.text.DecimalFormat;
		import java.util.ArrayList;
		import java.util.Enumeration;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Locale;
		import java.util.Map;
		import java.util.Objects;
		import java.util.UUID;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;
		import java.util.zip.ZipEntry;
		import java.util.zip.ZipFile;
		@@ -183,10 +189,84 @@ public class Utils {
		update.getTimestamp() > SystemProperties.getLong(Constants.PROP_BUILD_DATE, 0));
		}

		public static int parseAndroidVersion(String versionString) {
		// Parse android versions such as 8.1.0.
		// Older updates still shows in ota requests.
		Pattern pattern = Pattern.compile("(\\d+)\\.(\\d+)\\.(\\d+)");
		Matcher matcher = pattern.matcher(versionString);
		return matcher.matches() ? Integer.parseInt(Objects.requireNonNull(matcher.group(1)))
		: Float.valueOf(versionString).intValue();
		}

		private static boolean processJsonFile(File inputJsonFile) throws IOException, JSONException {
		StringBuilder jsonBuilder = new StringBuilder();
		try (BufferedReader br = new BufferedReader(new FileReader(inputJsonFile))) {
		for (String line; (line = br.readLine()) != null;) {
		jsonBuilder.append(line);
		}
		}

		JSONObject inputJsonObject = new JSONObject(jsonBuilder.toString());
		JSONArray responseArray = inputJsonObject.getJSONArray("response");
		Map<String, JSONObject> entriesMap = new HashMap<>();
		int deviceAndroidVersion = parseAndroidVersion(Build.VERSION.RELEASE);

		for (int i = 0; i < responseArray.length(); i++) {
		JSONObject entry = responseArray.getJSONObject(i);
		String androidVersion = entry.getString("android_version");
		long datetime = entry.getLong("datetime");

		// Allow the latest update for current android.
		if (parseAndroidVersion(androidVersion) == deviceAndroidVersion) {
		if (!entriesMap.containsKey(androidVersion) \|\| datetime > Objects.requireNonNull(
		entriesMap.get(androidVersion)).getLong("datetime")) {
		entriesMap.put(androidVersion, entry);
		} else {
		Log.d(TAG, "Update : Skipping " + entry.getString("filename") +
		" since a newer build is available");
		}
		// Allow upgrade from next major release only. Allow to install initial build
		// for that major release and not the latest release.
		} else if (parseAndroidVersion(androidVersion) == deviceAndroidVersion + 1) {
		if (!entriesMap.containsKey(androidVersion) \|\| (((Build.TIME / 1000) < datetime)
		&& (datetime < Objects.requireNonNull(entriesMap.get(androidVersion)
		).getLong("datetime")))) {
		entriesMap.put(androidVersion, entry);
		} else {
		Log.d(TAG, "Update : Skipping " + entry.getString("filename") +
		" since latest build is not preferred for upgrade");
		}
		// Ignore if the device has an update available by skipping one major update.
		// Allow it only after installing one major android.
		} else {
		Log.d(TAG, "Update : Skipping " + entry.getString("filename") +
		" since the upgrade is unsupported from this android version");
		}
		}

		JSONArray modifiedResponseArray = new JSONArray();
		for (JSONObject entry : entriesMap.values()) {
		modifiedResponseArray.put(entry);
		}

		inputJsonObject.put("response", modifiedResponseArray);

		// Write the modified JSON object back to the input JSON file
		FileWriter writer = new FileWriter(inputJsonFile);
		writer.write(inputJsonObject.toString());
		writer.close();

		return true;
		}

		public static List<UpdateInfo> parseJson(File file, boolean compatibleOnly)
		throws IOException, JSONException {
		List<UpdateInfo> updates = new ArrayList<>();

		if (processJsonFile(file)) {
		Log.d(TAG, "Ignored incompatible updates");
		}

		String json = "";
		try (BufferedReader br = new BufferedReader(new FileReader(file))) {
		for (String line; (line = br.readLine()) != null;) {