mirror of
https://github.com/oxen-io/session-android.git
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297 lines
8.6 KiB
Java
297 lines
8.6 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms.util;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.graphics.Shader;
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import android.graphics.Typeface;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.provider.Telephony;
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import android.telephony.TelephonyManager;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.TextUtils;
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import android.text.style.StyleSpan;
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import android.widget.EditText;
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import org.thoughtcrime.securesms.BuildConfig;
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import org.thoughtcrime.securesms.TextSecureExpiredException;
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import org.whispersystems.textsecure.api.util.InvalidNumberException;
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import org.whispersystems.textsecure.api.util.PhoneNumberFormatter;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import ws.com.google.android.mms.pdu.CharacterSets;
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import ws.com.google.android.mms.pdu.EncodedStringValue;
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public class Util {
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public static String join(Collection<String> list, String delimiter) {
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StringBuilder result = new StringBuilder();
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int i=0;
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for (String item : list) {
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result.append(item);
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if (++i < list.size())
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result.append(delimiter);
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}
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return result.toString();
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}
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public static ExecutorService newSingleThreadedLifoExecutor() {
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ThreadPoolExecutor executor = new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingLifoQueue<Runnable>());
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executor.execute(new Runnable() {
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@Override
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public void run() {
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// Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
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Thread.currentThread().setPriority(Thread.MIN_PRIORITY);
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}
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});
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return executor;
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}
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public static boolean isEmpty(EncodedStringValue[] value) {
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return value == null || value.length == 0;
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}
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public static boolean isEmpty(EditText value) {
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return value == null || value.getText() == null || TextUtils.isEmpty(value.getText().toString());
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}
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public static CharSequence getBoldedString(String value) {
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SpannableString spanned = new SpannableString(value);
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spanned.setSpan(new StyleSpan(Typeface.BOLD), 0,
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spanned.length(),
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Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
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return spanned;
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}
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public static String toIsoString(byte[] bytes) {
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try {
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return new String(bytes, CharacterSets.MIMENAME_ISO_8859_1);
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} catch (UnsupportedEncodingException e) {
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throw new AssertionError("ISO_8859_1 must be supported!");
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}
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}
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public static byte[] toIsoBytes(String isoString) {
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try {
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return isoString.getBytes(CharacterSets.MIMENAME_ISO_8859_1);
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} catch (UnsupportedEncodingException e) {
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throw new AssertionError("ISO_8859_1 must be supported!");
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}
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}
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public static byte[] toUtf8Bytes(String utf8String) {
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try {
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return utf8String.getBytes(CharacterSets.MIMENAME_UTF_8);
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} catch (UnsupportedEncodingException e) {
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throw new AssertionError("UTF_8 must be supported!");
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}
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}
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public static void wait(Object lock, int timeout) {
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try {
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lock.wait(timeout);
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} catch (InterruptedException ie) {
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throw new AssertionError(ie);
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}
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}
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public static String canonicalizeNumber(Context context, String number)
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throws InvalidNumberException
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{
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String localNumber = TextSecurePreferences.getLocalNumber(context);
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return PhoneNumberFormatter.formatNumber(number, localNumber);
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}
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public static String canonicalizeNumberOrGroup(Context context, String number)
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throws InvalidNumberException
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{
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if (GroupUtil.isEncodedGroup(number)) return number;
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else return canonicalizeNumber(context, number);
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}
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public static byte[] readFully(InputStream in) throws IOException {
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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byte[] buffer = new byte[4096];
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int read;
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while ((read = in.read(buffer)) != -1) {
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bout.write(buffer, 0, read);
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}
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in.close();
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return bout.toByteArray();
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}
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public static String readFullyAsString(InputStream in) throws IOException {
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return new String(readFully(in));
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}
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public static long copy(InputStream in, OutputStream out) throws IOException {
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byte[] buffer = new byte[4096];
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int read;
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long total = 0;
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while ((read = in.read(buffer)) != -1) {
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out.write(buffer, 0, read);
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total += read;
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}
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in.close();
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out.close();
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return total;
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}
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public static String getDeviceE164Number(Context context) {
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String localNumber = ((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE))
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.getLine1Number();
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if (!TextUtils.isEmpty(localNumber) && !localNumber.startsWith("+"))
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{
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if (localNumber.length() == 10) localNumber = "+1" + localNumber;
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else localNumber = "+" + localNumber;
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return localNumber;
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}
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return null;
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}
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public static List<String> split(String source, String delimiter) {
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List<String> results = new LinkedList<>();
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if (TextUtils.isEmpty(source)) {
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return results;
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}
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String[] elements = source.split(delimiter);
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Collections.addAll(results, elements);
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return results;
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}
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public static byte[][] split(byte[] input, int firstLength, int secondLength) {
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byte[][] parts = new byte[2][];
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parts[0] = new byte[firstLength];
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System.arraycopy(input, 0, parts[0], 0, firstLength);
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parts[1] = new byte[secondLength];
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System.arraycopy(input, firstLength, parts[1], 0, secondLength);
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return parts;
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}
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public static byte[] combine(byte[]... elements) {
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try {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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for (byte[] element : elements) {
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baos.write(element);
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}
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return baos.toByteArray();
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} catch (IOException e) {
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throw new AssertionError(e);
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}
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}
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public static byte[] trim(byte[] input, int length) {
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byte[] result = new byte[length];
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System.arraycopy(input, 0, result, 0, result.length);
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return result;
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}
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@SuppressLint("NewApi")
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public static boolean isDefaultSmsProvider(Context context){
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return (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) ||
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(context.getPackageName().equals(Telephony.Sms.getDefaultSmsPackage(context)));
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}
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public static int getCurrentApkReleaseVersion(Context context) {
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try {
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return context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
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} catch (PackageManager.NameNotFoundException e) {
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throw new AssertionError(e);
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}
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}
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public static String getSecret(int size) {
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byte[] secret = getSecretBytes(size);
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return Base64.encodeBytes(secret);
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}
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public static byte[] getSecretBytes(int size) {
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byte[] secret = new byte[size];
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getSecureRandom().nextBytes(secret);
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return secret;
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}
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public static SecureRandom getSecureRandom() {
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try {
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return SecureRandom.getInstance("SHA1PRNG");
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} catch (NoSuchAlgorithmException e) {
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throw new AssertionError(e);
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}
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}
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/*
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* source: http://stackoverflow.com/a/9500334
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*/
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public static void fixBackgroundRepeat(Drawable bg) {
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if (bg != null) {
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if (bg instanceof BitmapDrawable) {
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BitmapDrawable bmp = (BitmapDrawable) bg;
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bmp.mutate();
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bmp.setTileModeXY(Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
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}
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}
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}
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public static boolean isBuildFresh() {
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return BuildConfig.BUILD_TIMESTAMP + TimeUnit.DAYS.toMillis(180) > System.currentTimeMillis();
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}
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}
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