mirror of https://codeberg.org/tom79/Fedilab
Thomas
2 years ago
parent
95beb7f3c1
commit
4e2701cb5e
@ -1,132 +0,0 @@
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package app.fedilab.android.client.entities.app;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import androidx.preference.PreferenceManager;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import javax.net.ssl.HttpsURLConnection;
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import app.fedilab.android.exception.DBException;
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import app.fedilab.android.helper.Helper;
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import app.fedilab.android.sqlite.Sqlite;
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public class DomainsBlock {
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public static final String LAST_DATE_OF_UPDATE = "LAST_DATE_OF_UPDATE";
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public static List<String> trackingDomains = null;
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private static void getDomains(Context context) {
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if (trackingDomains == null) {
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try {
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SQLiteDatabase db = Sqlite.getInstance(context.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
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Cursor c = db.query(Sqlite.TABLE_DOMAINS_TRACKING, null, null, null, null, null, null, null);
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trackingDomains = cursorToDomain(c);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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public static void updateDomains(Context _mContext) {
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SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(_mContext);
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String last_date = sharedpreferences.getString(LAST_DATE_OF_UPDATE, null);
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Date dateUpdate = new Date(System.currentTimeMillis() - TimeUnit.DAYS.toMillis(10));
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Date dateLastUpdate = Helper.stringToDate(_mContext, last_date);
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SQLiteDatabase db = Sqlite.getInstance(_mContext.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
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if (last_date == null || dateUpdate.after(dateLastUpdate)) {
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new Thread(() -> {
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try {
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HttpsURLConnection connection = (HttpsURLConnection) new URL("https://hosts.fedilab.app/hosts").openConnection();
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if (connection.getResponseCode() > HttpsURLConnection.HTTP_MOVED_TEMP) {
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return;
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}
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BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
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String line;
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List<String> domains = new ArrayList<>();
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while ((line = br.readLine()) != null) {
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if (line.startsWith("0.0.0.0 ")) {
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try {
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domains.add(line.replace("0.0.0.0 ", "").trim());
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} catch (Exception e) {
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return;
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}
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}
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}
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br.close();
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connection.disconnect();
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insertDomains(db, domains);
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SharedPreferences.Editor editor = sharedpreferences.edit();
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editor.putString(LAST_DATE_OF_UPDATE, Helper.dateToString(new Date()));
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editor.apply();
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} catch (IOException | DBException e) {
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e.printStackTrace();
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}
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}).start();
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} else {
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getDomains(_mContext);
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}
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}
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/**
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* Insert a domains in db
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*
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* @param domains {@link List<String>}
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* @throws DBException exception with database
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*/
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private static void insertDomains(SQLiteDatabase db, List<String> domains) throws DBException {
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if (db == null) {
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throw new DBException("db is null. Wrong initialization.");
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}
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db.delete(Sqlite.TABLE_DOMAINS_TRACKING, null, null);
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DomainsBlock.trackingDomains = new ArrayList<>();
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for (String domain : domains) {
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_DOMAIN, domain);
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//Inserts token
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try {
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db.insertOrThrow(Sqlite.TABLE_DOMAINS_TRACKING, null, values);
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} catch (Exception e) {
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e.printStackTrace();
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}
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DomainsBlock.trackingDomains.add(domain);
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}
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}
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/***
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* Method to hydrate domain from database
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* @param c Cursor
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* @return List<String>
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*/
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private static List<String> cursorToDomain(Cursor c) {
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//No element found
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if (c.getCount() == 0) {
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c.close();
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return null;
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}
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List<String> domains = new ArrayList<>();
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while (c.moveToNext()) {
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domains.add(c.getString(c.getColumnIndexOrThrow(Sqlite.COL_DOMAIN)));
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}
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//Close the cursor
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c.close();
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//domains list is returned
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return domains;
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}
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}
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