--- /dev/null
+/*
+ * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.fragments;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.Signature;
+import android.content.res.Configuration;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.style.ForegroundColorSpan;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.WebView;
+import android.widget.TextView;
+
+import com.google.android.material.snackbar.Snackbar;
+import com.stoutner.privacybrowser.BuildConfig;
+import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.dialogs.SaveDialog;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.math.BigInteger;
+import java.security.Principal;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.text.DateFormat;
+import java.text.NumberFormat;
+import java.util.Date;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.webkit.WebViewCompat;
+
+public class AboutVersionFragment extends Fragment {
+ // Declare the class constants.
+ final static String BLOCKLIST_VERSIONS = "blocklist_versions";
+ final long MEBIBYTE = 1048576;
+
+ // Declare the class variables.
+ private boolean updateMemoryUsageBoolean = true;
+ private String[] blocklistVersions;
+ private View aboutVersionLayout;
+ private String appConsumedMemoryLabel;
+ private String appAvailableMemoryLabel;
+ private String appTotalMemoryLabel;
+ private String appMaximumMemoryLabel;
+ private String systemConsumedMemoryLabel;
+ private String systemAvailableMemoryLabel;
+ private String systemTotalMemoryLabel;
+ private Runtime runtime;
+ private ActivityManager activityManager;
+ private ActivityManager.MemoryInfo memoryInfo;
+ private NumberFormat numberFormat;
+ private ForegroundColorSpan blueColorSpan;
+
+ // Declare the class views.
+ private TextView privacyBrowserTextView;
+ private TextView versionTextView;
+ private TextView hardwareTextView;
+ private TextView brandTextView;
+ private TextView manufacturerTextView;
+ private TextView modelTextView;
+ private TextView deviceTextView;
+ private TextView bootloaderTextView;
+ private TextView radioTextView;
+ private TextView softwareTextView;
+ private TextView androidTextView;
+ private TextView securityPatchTextView;
+ private TextView buildTextView;
+ private TextView webViewProviderTextView;
+ private TextView webViewVersionTextView;
+ private TextView orbotTextView;
+ private TextView i2pTextView;
+ private TextView openKeychainTextView;
+ private TextView memoryUsageTextView;
+ private TextView appConsumedMemoryTextView;
+ private TextView appAvailableMemoryTextView;
+ private TextView appTotalMemoryTextView;
+ private TextView appMaximumMemoryTextView;
+ private TextView systemConsumedMemoryTextView;
+ private TextView systemAvailableMemoryTextView;
+ private TextView systemTotalMemoryTextView;
+ private TextView blocklistsTextView;
+ private TextView easyListTextView;
+ private TextView easyPrivacyTextView;
+ private TextView fanboyAnnoyanceTextView;
+ private TextView fanboySocialTextView;
+ private TextView ultraListTextView;
+ private TextView ultraPrivacyTextView;
+ private TextView packageSignatureTextView;
+ private TextView certificateIssuerDnTextView;
+ private TextView certificateSubjectDnTextView;
+ private TextView certificateStartDateTextView;
+ private TextView certificateEndDateTextView;
+ private TextView certificateVersionTextView;
+ private TextView certificateSerialNumberTextView;
+ private TextView certificateSignatureAlgorithmTextView;
+
+ public static AboutVersionFragment createTab(String[] blocklistVersions) {
+ // Create an arguments bundle.
+ Bundle argumentsBundle = new Bundle();
+
+ // Store the arguments in the bundle.
+ argumentsBundle.putStringArray(BLOCKLIST_VERSIONS, blocklistVersions);
+
+ // Create a new instance of the tab fragment.
+ AboutVersionFragment aboutVersionFragment = new AboutVersionFragment();
+
+ // Add the arguments bundle to the fragment.
+ aboutVersionFragment.setArguments(argumentsBundle);
+
+ // Return the new fragment.
+ return aboutVersionFragment;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onCreate(savedInstanceState);
+
+ // Get a handle for the arguments.
+ Bundle arguments = getArguments();
+
+ // Remove the incorrect lint warning below that the arguments might be null.
+ assert arguments != null;
+
+ // Store the arguments in class variables.
+ blocklistVersions = arguments.getStringArray(BLOCKLIST_VERSIONS);
+
+ // Enable the options menu for this fragment.
+ setHasOptionsMenu(true);
+ }
+
+ @Override
+ public View onCreateView(@NonNull LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) {
+ // Get a handle for the context.
+ Context context = getContext();
+
+ // Remove the incorrect lint warning below that the context might be null.
+ assert context != null;
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Inflate the layout. Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container. The fragment will take care of attaching the root automatically.
+ aboutVersionLayout = layoutInflater.inflate(R.layout.about_version, container, false);
+
+ // Get handles for the views.
+ privacyBrowserTextView = aboutVersionLayout.findViewById(R.id.privacy_browser_textview);
+ versionTextView = aboutVersionLayout.findViewById(R.id.version);
+ hardwareTextView = aboutVersionLayout.findViewById(R.id.hardware);
+ brandTextView = aboutVersionLayout.findViewById(R.id.brand);
+ manufacturerTextView = aboutVersionLayout.findViewById(R.id.manufacturer);
+ modelTextView = aboutVersionLayout.findViewById(R.id.model);
+ deviceTextView = aboutVersionLayout.findViewById(R.id.device);
+ bootloaderTextView = aboutVersionLayout.findViewById(R.id.bootloader);
+ radioTextView = aboutVersionLayout.findViewById(R.id.radio);
+ softwareTextView = aboutVersionLayout.findViewById(R.id.software);
+ androidTextView = aboutVersionLayout.findViewById(R.id.android);
+ securityPatchTextView = aboutVersionLayout.findViewById(R.id.security_patch);
+ buildTextView = aboutVersionLayout.findViewById(R.id.build);
+ webViewProviderTextView = aboutVersionLayout.findViewById(R.id.webview_provider);
+ webViewVersionTextView = aboutVersionLayout.findViewById(R.id.webview_version);
+ orbotTextView = aboutVersionLayout.findViewById(R.id.orbot);
+ i2pTextView = aboutVersionLayout.findViewById(R.id.i2p);
+ openKeychainTextView = aboutVersionLayout.findViewById(R.id.open_keychain);
+ memoryUsageTextView = aboutVersionLayout.findViewById(R.id.memory_usage);
+ appConsumedMemoryTextView = aboutVersionLayout.findViewById(R.id.app_consumed_memory);
+ appAvailableMemoryTextView = aboutVersionLayout.findViewById(R.id.app_available_memory);
+ appTotalMemoryTextView = aboutVersionLayout.findViewById(R.id.app_total_memory);
+ appMaximumMemoryTextView = aboutVersionLayout.findViewById(R.id.app_maximum_memory);
+ systemConsumedMemoryTextView = aboutVersionLayout.findViewById(R.id.system_consumed_memory);
+ systemAvailableMemoryTextView = aboutVersionLayout.findViewById(R.id.system_available_memory);
+ systemTotalMemoryTextView = aboutVersionLayout.findViewById(R.id.system_total_memory);
+ blocklistsTextView = aboutVersionLayout.findViewById(R.id.blocklists);
+ easyListTextView = aboutVersionLayout.findViewById(R.id.easylist);
+ easyPrivacyTextView = aboutVersionLayout.findViewById(R.id.easyprivacy);
+ fanboyAnnoyanceTextView = aboutVersionLayout.findViewById(R.id.fanboy_annoyance);
+ fanboySocialTextView = aboutVersionLayout.findViewById(R.id.fanboy_social);
+ ultraListTextView = aboutVersionLayout.findViewById(R.id.ultralist);
+ ultraPrivacyTextView = aboutVersionLayout.findViewById(R.id.ultraprivacy);
+ packageSignatureTextView = aboutVersionLayout.findViewById(R.id.package_signature);
+ certificateIssuerDnTextView = aboutVersionLayout.findViewById(R.id.certificate_issuer_dn);
+ certificateSubjectDnTextView = aboutVersionLayout.findViewById(R.id.certificate_subject_dn);
+ certificateStartDateTextView = aboutVersionLayout.findViewById(R.id.certificate_start_date);
+ certificateEndDateTextView = aboutVersionLayout.findViewById(R.id.certificate_end_date);
+ certificateVersionTextView = aboutVersionLayout.findViewById(R.id.certificate_version);
+ certificateSerialNumberTextView = aboutVersionLayout.findViewById(R.id.certificate_serial_number);
+ certificateSignatureAlgorithmTextView = aboutVersionLayout.findViewById(R.id.certificate_signature_algorithm);
+
+ // Setup the labels.
+ String version = getString(R.string.version) + " " + BuildConfig.VERSION_NAME + " (" + getString(R.string.version_code) + " " + BuildConfig.VERSION_CODE + ")";
+ String brandLabel = getString(R.string.brand) + " ";
+ String manufacturerLabel = getString(R.string.manufacturer) + " ";
+ String modelLabel = getString(R.string.model) + " ";
+ String deviceLabel = getString(R.string.device) + " ";
+ String bootloaderLabel = getString(R.string.bootloader) + " ";
+ String androidLabel = getString(R.string.android) + " ";
+ String buildLabel = getString(R.string.build) + " ";
+ String webViewVersionLabel = getString(R.string.webview_version) + " ";
+ appConsumedMemoryLabel = getString(R.string.app_consumed_memory) + " ";
+ appAvailableMemoryLabel = getString(R.string.app_available_memory) + " ";
+ appTotalMemoryLabel = getString(R.string.app_total_memory) + " ";
+ appMaximumMemoryLabel = getString(R.string.app_maximum_memory) + " ";
+ systemConsumedMemoryLabel = getString(R.string.system_consumed_memory) + " ";
+ systemAvailableMemoryLabel = getString(R.string.system_available_memory) + " ";
+ systemTotalMemoryLabel = getString(R.string.system_total_memory) + " ";
+ String easyListLabel = getString(R.string.easylist_label) + " ";
+ String easyPrivacyLabel = getString(R.string.easyprivacy_label) + " ";
+ String fanboyAnnoyanceLabel = getString(R.string.fanboy_annoyance_label) + " ";
+ String fanboySocialLabel = getString(R.string.fanboy_social_label) + " ";
+ String ultraListLabel = getString(R.string.ultralist_label) + " ";
+ String ultraPrivacyLabel = getString(R.string.ultraprivacy_label) + " ";
+ String issuerDNLabel = getString(R.string.issuer_dn) + " ";
+ String subjectDNLabel = getString(R.string.subject_dn) + " ";
+ String startDateLabel = getString(R.string.start_date) + " ";
+ String endDateLabel = getString(R.string.end_date) + " ";
+ String certificateVersionLabel = getString(R.string.certificate_version) + " ";
+ String serialNumberLabel = getString(R.string.serial_number) + " ";
+ String signatureAlgorithmLabel = getString(R.string.signature_algorithm) + " ";
+
+ // The WebView layout is only used to get the default user agent from `bare_webview`. It is not used to render content on the screen.
+ // Once the minimum API >= 26 this can be accomplished with the WebView package info.
+ View webViewLayout = layoutInflater.inflate(R.layout.bare_webview, container, false);
+ WebView tabLayoutWebView = webViewLayout.findViewById(R.id.bare_webview);
+ String userAgentString = tabLayoutWebView.getSettings().getUserAgentString();
+
+ // Get the device's information and store it in strings.
+ String brand = Build.BRAND;
+ String manufacturer = Build.MANUFACTURER;
+ String model = Build.MODEL;
+ String device = Build.DEVICE;
+ String bootloader = Build.BOOTLOADER;
+ String radio = Build.getRadioVersion();
+ String android = Build.VERSION.RELEASE + " (" + getString(R.string.api) + " " + Build.VERSION.SDK_INT + ")";
+ String build = Build.DISPLAY;
+ // Select the substring that begins after `Chrome/` and goes until the next ` `.
+ String webView = userAgentString.substring(userAgentString.indexOf("Chrome/") + 7, userAgentString.indexOf(" ", userAgentString.indexOf("Chrome/")));
+
+ // Get the Orbot version name if Orbot is installed.
+ String orbot;
+ try {
+ // Store the version name.
+ orbot = context.getPackageManager().getPackageInfo("org.torproject.android", 0).versionName;
+ } catch (PackageManager.NameNotFoundException exception) { // Orbot is not installed.
+ orbot = "";
+ }
+
+ // Get the I2P version name if I2P is installed.
+ String i2p;
+ try {
+ // Store the version name.
+ i2p = context.getPackageManager().getPackageInfo("net.i2p.android.router", 0).versionName;
+ } catch (PackageManager.NameNotFoundException exception) { // I2P is not installed.
+ i2p = "";
+ }
+
+ // Get the OpenKeychain version name if it is installed.
+ String openKeychain;
+ try {
+ // Store the version name.
+ openKeychain = context.getPackageManager().getPackageInfo("org.sufficientlysecure.keychain", 0).versionName;
+ } catch (PackageManager.NameNotFoundException exception) { // OpenKeychain is not installed.
+ openKeychain = "";
+ }
+
+ // Create a spannable string builder for the hardware and software text views that needs multiple colors of text.
+ SpannableStringBuilder brandStringBuilder = new SpannableStringBuilder(brandLabel + brand);
+ SpannableStringBuilder manufacturerStringBuilder = new SpannableStringBuilder(manufacturerLabel + manufacturer);
+ SpannableStringBuilder modelStringBuilder = new SpannableStringBuilder(modelLabel + model);
+ SpannableStringBuilder deviceStringBuilder = new SpannableStringBuilder(deviceLabel + device);
+ SpannableStringBuilder bootloaderStringBuilder = new SpannableStringBuilder(bootloaderLabel + bootloader);
+ SpannableStringBuilder androidStringBuilder = new SpannableStringBuilder(androidLabel + android);
+ SpannableStringBuilder buildStringBuilder = new SpannableStringBuilder(buildLabel + build);
+ SpannableStringBuilder webViewVersionStringBuilder = new SpannableStringBuilder(webViewVersionLabel + webView);
+ SpannableStringBuilder easyListStringBuilder = new SpannableStringBuilder(easyListLabel + blocklistVersions[0]);
+ SpannableStringBuilder easyPrivacyStringBuilder = new SpannableStringBuilder(easyPrivacyLabel + blocklistVersions[1]);
+ SpannableStringBuilder fanboyAnnoyanceStringBuilder = new SpannableStringBuilder(fanboyAnnoyanceLabel + blocklistVersions[2]);
+ SpannableStringBuilder fanboySocialStringBuilder = new SpannableStringBuilder(fanboySocialLabel + blocklistVersions[3]);
+ SpannableStringBuilder ultraListStringBuilder = new SpannableStringBuilder(ultraListLabel + blocklistVersions[4]);
+ SpannableStringBuilder ultraPrivacyStringBuilder = new SpannableStringBuilder(ultraPrivacyLabel + blocklistVersions[5]);
+
+ // Set the blue color span according to the theme. The deprecated `getResources()` must be used until the minimum API >= 23.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
+ } else {
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.violet_500));
+ }
+
+ // Setup the spans to display the device information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ brandStringBuilder.setSpan(blueColorSpan, brandLabel.length(), brandStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ manufacturerStringBuilder.setSpan(blueColorSpan, manufacturerLabel.length(), manufacturerStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ modelStringBuilder.setSpan(blueColorSpan, modelLabel.length(), modelStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ deviceStringBuilder.setSpan(blueColorSpan, deviceLabel.length(), deviceStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ bootloaderStringBuilder.setSpan(blueColorSpan, bootloaderLabel.length(), bootloaderStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ androidStringBuilder.setSpan(blueColorSpan, androidLabel.length(), androidStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ buildStringBuilder.setSpan(blueColorSpan, buildLabel.length(), buildStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ webViewVersionStringBuilder.setSpan(blueColorSpan, webViewVersionLabel.length(), webViewVersionStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ easyListStringBuilder.setSpan(blueColorSpan, easyListLabel.length(), easyListStringBuilder.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
+ easyPrivacyStringBuilder.setSpan(blueColorSpan, easyPrivacyLabel.length(), easyPrivacyStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ fanboyAnnoyanceStringBuilder.setSpan(blueColorSpan, fanboyAnnoyanceLabel.length(), fanboyAnnoyanceStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ fanboySocialStringBuilder.setSpan(blueColorSpan, fanboySocialLabel.length(), fanboySocialStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ ultraListStringBuilder.setSpan(blueColorSpan, ultraListLabel.length(), ultraListStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ ultraPrivacyStringBuilder.setSpan(blueColorSpan, ultraPrivacyLabel.length(), ultraPrivacyStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // Display the strings in the text boxes.
+ versionTextView.setText(version);
+ brandTextView.setText(brandStringBuilder);
+ manufacturerTextView.setText(manufacturerStringBuilder);
+ modelTextView.setText(modelStringBuilder);
+ deviceTextView.setText(deviceStringBuilder);
+ bootloaderTextView.setText(bootloaderStringBuilder);
+ androidTextView.setText(androidStringBuilder);
+ buildTextView.setText(buildStringBuilder);
+ webViewVersionTextView.setText(webViewVersionStringBuilder);
+ easyListTextView.setText(easyListStringBuilder);
+ easyPrivacyTextView.setText(easyPrivacyStringBuilder);
+ fanboyAnnoyanceTextView.setText(fanboyAnnoyanceStringBuilder);
+ fanboySocialTextView.setText(fanboySocialStringBuilder);
+ ultraListTextView.setText(ultraListStringBuilder);
+ ultraPrivacyTextView.setText(ultraPrivacyStringBuilder);
+
+ // Only populate the radio text view if there is a radio in the device.
+ if (!radio.isEmpty()) {
+ String radioLabel = getString(R.string.radio) + " ";
+ SpannableStringBuilder radioStringBuilder = new SpannableStringBuilder(radioLabel + radio);
+ radioStringBuilder.setSpan(blueColorSpan, radioLabel.length(), radioStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ radioTextView.setText(radioStringBuilder);
+ } else { // This device does not have a radio.
+ radioTextView.setVisibility(View.GONE);
+ }
+
+ // Build.VERSION.SECURITY_PATCH is only available for SDK_INT >= 23.
+ if (Build.VERSION.SDK_INT >= 23) {
+ String securityPatchLabel = getString(R.string.security_patch) + " ";
+ String securityPatch = Build.VERSION.SECURITY_PATCH;
+ SpannableStringBuilder securityPatchStringBuilder = new SpannableStringBuilder(securityPatchLabel + securityPatch);
+ securityPatchStringBuilder.setSpan(blueColorSpan, securityPatchLabel.length(), securityPatchStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ securityPatchTextView.setText(securityPatchStringBuilder);
+ } else { // The API < 23.
+ // Hide the security patch text view.
+ securityPatchTextView.setVisibility(View.GONE);
+ }
+
+ // Only populate the WebView provider if the SDK >= 21.
+ if (Build.VERSION.SDK_INT >= 21) {
+ // Create the WebView provider label.
+ String webViewProviderLabel = getString(R.string.webview_provider) + " ";
+
+ // Get the current WebView package info.
+ PackageInfo webViewPackageInfo = WebViewCompat.getCurrentWebViewPackage(context);
+
+ // Remove the warning below that the package info might be null.
+ assert webViewPackageInfo != null;
+
+ // Get the WebView provider name.
+ String webViewPackageName = webViewPackageInfo.packageName;
+
+ // Create the spannable string builder.
+ SpannableStringBuilder webViewProviderStringBuilder = new SpannableStringBuilder(webViewProviderLabel + webViewPackageName);
+
+ // Apply the coloration.
+ webViewProviderStringBuilder.setSpan(blueColorSpan, webViewProviderLabel.length(), webViewProviderStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // Display the WebView provider.
+ webViewProviderTextView.setText(webViewProviderStringBuilder);
+ } else { // The API < 21.
+ // Hide the WebView provider text view.
+ webViewProviderTextView.setVisibility(View.GONE);
+ }
+
+ // Only populate the Orbot text view if it is installed.
+ if (!orbot.isEmpty()) {
+ String orbotLabel = getString(R.string.orbot) + " ";
+ SpannableStringBuilder orbotStringBuilder = new SpannableStringBuilder(orbotLabel + orbot);
+ orbotStringBuilder.setSpan(blueColorSpan, orbotLabel.length(), orbotStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ orbotTextView.setText(orbotStringBuilder);
+ } else { // Orbot is not installed.
+ orbotTextView.setVisibility(View.GONE);
+ }
+
+ // Only populate the I2P text view if it is installed.
+ if (!i2p.isEmpty()) {
+ String i2pLabel = getString(R.string.i2p) + " ";
+ SpannableStringBuilder i2pStringBuilder = new SpannableStringBuilder(i2pLabel + i2p);
+ i2pStringBuilder.setSpan(blueColorSpan, i2pLabel.length(), i2pStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ i2pTextView.setText(i2pStringBuilder);
+ } else { // I2P is not installed.
+ i2pTextView.setVisibility(View.GONE);
+ }
+
+ // Only populate the OpenKeychain text view if it is installed.
+ if (!openKeychain.isEmpty()) {
+ String openKeychainLabel = getString(R.string.openkeychain) + " ";
+ SpannableStringBuilder openKeychainStringBuilder = new SpannableStringBuilder(openKeychainLabel + openKeychain);
+ openKeychainStringBuilder.setSpan(blueColorSpan, openKeychainLabel.length(), openKeychainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ openKeychainTextView.setText(openKeychainStringBuilder);
+ } else { //OpenKeychain is not installed.
+ openKeychainTextView.setVisibility(View.GONE);
+ }
+
+ // Display the package signature.
+ try {
+ // Get the first package signature. Suppress the lint warning about the need to be careful in implementing comparison of certificates for security purposes.
+ @SuppressLint("PackageManagerGetSignatures") Signature packageSignature = context.getPackageManager().getPackageInfo(context.getPackageName(),
+ PackageManager.GET_SIGNATURES).signatures[0];
+
+ // Convert the signature to a byte array input stream.
+ InputStream certificateByteArrayInputStream = new ByteArrayInputStream(packageSignature.toByteArray());
+
+ // Display the certificate information on the screen.
+ try {
+ // Instantiate a `CertificateFactory`.
+ CertificateFactory certificateFactory = CertificateFactory.getInstance("X509");
+
+ // Generate an `X509Certificate`.
+ X509Certificate x509Certificate = (X509Certificate) certificateFactory.generateCertificate(certificateByteArrayInputStream);
+
+ // Store the individual sections of the certificate that we are interested in.
+ Principal issuerDNPrincipal = x509Certificate.getIssuerDN();
+ Principal subjectDNPrincipal = x509Certificate.getSubjectDN();
+ Date startDate = x509Certificate.getNotBefore();
+ Date endDate = x509Certificate.getNotAfter();
+ int certificateVersion = x509Certificate.getVersion();
+ BigInteger serialNumberBigInteger = x509Certificate.getSerialNumber();
+ String signatureAlgorithmNameString = x509Certificate.getSigAlgName();
+
+ // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
+ SpannableStringBuilder issuerDNStringBuilder = new SpannableStringBuilder(issuerDNLabel + issuerDNPrincipal.toString());
+ SpannableStringBuilder subjectDNStringBuilder = new SpannableStringBuilder(subjectDNLabel + subjectDNPrincipal.toString());
+ SpannableStringBuilder startDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(startDate));
+ SpannableStringBuilder endDataStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(endDate));
+ SpannableStringBuilder certificateVersionStringBuilder = new SpannableStringBuilder(certificateVersionLabel + certificateVersion);
+ SpannableStringBuilder serialNumberStringBuilder = new SpannableStringBuilder(serialNumberLabel + serialNumberBigInteger);
+ SpannableStringBuilder signatureAlgorithmStringBuilder = new SpannableStringBuilder(signatureAlgorithmLabel + signatureAlgorithmNameString);
+
+ // Setup the spans to display the device information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ issuerDNStringBuilder.setSpan(blueColorSpan, issuerDNLabel.length(), issuerDNStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ subjectDNStringBuilder.setSpan(blueColorSpan, subjectDNLabel.length(), subjectDNStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ startDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), startDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ endDataStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), endDataStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ certificateVersionStringBuilder.setSpan(blueColorSpan, certificateVersionLabel.length(), certificateVersionStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ serialNumberStringBuilder.setSpan(blueColorSpan, serialNumberLabel.length(), serialNumberStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ signatureAlgorithmStringBuilder.setSpan(blueColorSpan, signatureAlgorithmLabel.length(), signatureAlgorithmStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // Display the strings in the text boxes.
+ certificateIssuerDnTextView.setText(issuerDNStringBuilder);
+ certificateSubjectDnTextView.setText(subjectDNStringBuilder);
+ certificateStartDateTextView.setText(startDateStringBuilder);
+ certificateEndDateTextView.setText(endDataStringBuilder);
+ certificateVersionTextView.setText(certificateVersionStringBuilder);
+ certificateSerialNumberTextView.setText(serialNumberStringBuilder);
+ certificateSignatureAlgorithmTextView.setText(signatureAlgorithmStringBuilder);
+ } catch (CertificateException e) {
+ // Do nothing if there is a certificate error.
+ }
+
+ // Get a handle for the runtime.
+ runtime = Runtime.getRuntime();
+
+ // Get a handle for the activity.
+ Activity activity = getActivity();
+
+ // Remove the incorrect lint warning below that the activity might be null.
+ assert activity != null;
+
+ // Get a handle for the activity manager.
+ activityManager = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE);
+
+ // Remove the incorrect lint warning below that the activity manager might be null.
+ assert activityManager != null;
+
+ // Instantiate a memory info variable.
+ memoryInfo = new ActivityManager.MemoryInfo();
+
+ // Define a number format.
+ numberFormat = NumberFormat.getInstance();
+
+ // Set the minimum and maximum number of fraction digits.
+ numberFormat.setMinimumFractionDigits(2);
+ numberFormat.setMaximumFractionDigits(2);
+
+ // Update the memory usage.
+ updateMemoryUsage(getActivity());
+ } catch (PackageManager.NameNotFoundException e) {
+ // Do nothing if `PackageManager` says Privacy Browser isn't installed.
+ }
+
+ // Scroll the tab if the saved instance state is not null.
+ if (savedInstanceState != null) {
+ aboutVersionLayout.post(() -> {
+ aboutVersionLayout.setScrollX(savedInstanceState.getInt("scroll_x"));
+ aboutVersionLayout.setScrollY(savedInstanceState.getInt("scroll_y"));
+ });
+ }
+
+ // Return the tab layout.
+ return aboutVersionLayout;
+ }
+
+ @Override
+ public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater menuInflater) {
+ // Inflate the about version menu.
+ menuInflater.inflate(R.menu.about_version_options_menu, menu);
+
+ // Run the default commands.
+ super.onCreateOptionsMenu(menu, menuInflater);
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(@NonNull MenuItem menuItem) {
+ // Get the ID of the menu item that was selected.
+ int menuItemId = menuItem.getItemId();
+
+ // Remove the warning below that `getActivity()` might be null.
+ assert getActivity() != null;
+
+ // Run the appropriate commands.
+ switch (menuItemId) {
+ case R.id.copy:
+ // Get the about version string.
+ String aboutVersionString = getAboutVersionString();
+
+ // Get a handle for the clipboard manager.
+ ClipboardManager clipboardManager = (ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
+
+ // Remove the incorrect lint error below that the clipboard manager might be null.
+ assert clipboardManager != null;
+
+ // Save the about version string in a clip data.
+ ClipData aboutVersionClipData = ClipData.newPlainText(getString(R.string.about), aboutVersionString);
+
+ // Place the clip data on the clipboard.
+ clipboardManager.setPrimaryClip(aboutVersionClipData);
+
+ // Display a snackbar.
+ Snackbar.make(aboutVersionLayout, R.string.version_info_copied, Snackbar.LENGTH_SHORT).show();
+
+ // Consume the event.
+ return true;
+
+ case R.id.share:
+ // Get the about version string.
+ String aboutString = getAboutVersionString();
+
+ // Create an email intent.
+ Intent emailIntent = new Intent(Intent.ACTION_SEND);
+
+ // Add the about version string to the intent.
+ emailIntent.putExtra(Intent.EXTRA_TEXT, aboutString);
+
+ // Set the MIME type.
+ emailIntent.setType("text/plain");
+
+ // Set the intent to open in a new task.
+ emailIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Make it so.
+ startActivity(Intent.createChooser(emailIntent, getString(R.string.share)));
+
+ // Consume the event.
+ return true;
+
+ case R.id.save_text:
+ // Instantiate the save alert dialog.
+ DialogFragment saveTextDialogFragment = SaveDialog.save(SaveDialog.SAVE_ABOUT_VERSION_TEXT);
+
+ // Show the save alert dialog.
+ saveTextDialogFragment.show(getActivity().getSupportFragmentManager(), getString(R.string.save_dialog));
+
+ // Consume the event.
+ return true;
+
+ case R.id.save_image:
+ // Instantiate the save alert dialog.
+ DialogFragment saveImageDialogFragment = SaveDialog.save(SaveDialog.SAVE_ABOUT_VERSION_IMAGE);
+
+ // Show the save alert dialog.
+ saveImageDialogFragment.show(getActivity().getSupportFragmentManager(), getString(R.string.save_dialog));
+
+ // Consume the event.
+ return true;
+
+ default:
+ // Don't consume the event.
+ return super.onOptionsItemSelected(menuItem);
+ }
+ }
+
+ @Override
+ public void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState);
+
+ // Save the scroll positions if the layout is not null, which can happen if a tab is not currently selected.
+ if (aboutVersionLayout != null) {
+ savedInstanceState.putInt("scroll_x", aboutVersionLayout.getScrollX());
+ savedInstanceState.putInt("scroll_y", aboutVersionLayout.getScrollY());
+ }
+ }
+
+ @Override
+ public void onPause() {
+ // Run the default commands.
+ super.onPause();
+
+ // Pause the updating of the memory usage.
+ updateMemoryUsageBoolean = false;
+ }
+
+ @Override
+ public void onResume() {
+ // Run the default commands.
+ super.onResume();
+
+ // Resume the updating of the memory usage.
+ updateMemoryUsageBoolean = true;
+ }
+
+ public void updateMemoryUsage(Activity activity) {
+ try {
+ // Update the memory usage if enabled.
+ if (updateMemoryUsageBoolean) {
+ // Populate the memory info variable.
+ activityManager.getMemoryInfo(memoryInfo);
+
+ // Get the app memory information.
+ long appAvailableMemoryLong = runtime.freeMemory();
+ long appTotalMemoryLong = runtime.totalMemory();
+ long appMaximumMemoryLong = runtime.maxMemory();
+
+ // Calculate the app consumed memory.
+ long appConsumedMemoryLong = appTotalMemoryLong - appAvailableMemoryLong;
+
+ // Get the system memory information.
+ long systemTotalMemoryLong = memoryInfo.totalMem;
+ long systemAvailableMemoryLong = memoryInfo.availMem;
+
+ // Calculate the system consumed memory.
+ long systemConsumedMemoryLong = systemTotalMemoryLong - systemAvailableMemoryLong;
+
+ // Convert the memory information into mebibytes.
+ float appConsumedMemoryFloat = (float) appConsumedMemoryLong / MEBIBYTE;
+ float appAvailableMemoryFloat = (float) appAvailableMemoryLong / MEBIBYTE;
+ float appTotalMemoryFloat = (float) appTotalMemoryLong / MEBIBYTE;
+ float appMaximumMemoryFloat = (float) appMaximumMemoryLong / MEBIBYTE;
+ float systemConsumedMemoryFloat = (float) systemConsumedMemoryLong / MEBIBYTE;
+ float systemAvailableMemoryFloat = (float) systemAvailableMemoryLong / MEBIBYTE;
+ float systemTotalMemoryFloat = (float) systemTotalMemoryLong / MEBIBYTE;
+
+ // Get the mebibyte string.
+ String mebibyte = getString(R.string.mebibyte);
+
+ // Calculate the mebibyte length.
+ int mebibyteLength = mebibyte.length();
+
+ // Create spannable string builders.
+ SpannableStringBuilder appConsumedMemoryStringBuilder = new SpannableStringBuilder(appConsumedMemoryLabel + numberFormat.format(appConsumedMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder appAvailableMemoryStringBuilder = new SpannableStringBuilder(appAvailableMemoryLabel + numberFormat.format(appAvailableMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder appTotalMemoryStringBuilder = new SpannableStringBuilder(appTotalMemoryLabel + numberFormat.format(appTotalMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder appMaximumMemoryStringBuilder = new SpannableStringBuilder(appMaximumMemoryLabel + numberFormat.format(appMaximumMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder systemConsumedMemoryStringBuilder = new SpannableStringBuilder(systemConsumedMemoryLabel + numberFormat.format(systemConsumedMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder systemAvailableMemoryStringBuilder = new SpannableStringBuilder(systemAvailableMemoryLabel + numberFormat.format(systemAvailableMemoryFloat) + " " + mebibyte);
+ SpannableStringBuilder systemTotalMemoryStringBuilder = new SpannableStringBuilder(systemTotalMemoryLabel + numberFormat.format(systemTotalMemoryFloat) + " " + mebibyte);
+
+ // Setup the spans to display the memory information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ appConsumedMemoryStringBuilder.setSpan(blueColorSpan, appConsumedMemoryLabel.length(), appConsumedMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ appAvailableMemoryStringBuilder.setSpan(blueColorSpan, appAvailableMemoryLabel.length(), appAvailableMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ appTotalMemoryStringBuilder.setSpan(blueColorSpan, appTotalMemoryLabel.length(), appTotalMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ appMaximumMemoryStringBuilder.setSpan(blueColorSpan, appMaximumMemoryLabel.length(), appMaximumMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ systemConsumedMemoryStringBuilder.setSpan(blueColorSpan, systemConsumedMemoryLabel.length(), systemConsumedMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ systemAvailableMemoryStringBuilder.setSpan(blueColorSpan, systemAvailableMemoryLabel.length(), systemAvailableMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ systemTotalMemoryStringBuilder.setSpan(blueColorSpan, systemTotalMemoryLabel.length(), systemTotalMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // Display the string in the text boxes.
+ appConsumedMemoryTextView.setText(appConsumedMemoryStringBuilder);
+ appAvailableMemoryTextView.setText(appAvailableMemoryStringBuilder);
+ appTotalMemoryTextView.setText(appTotalMemoryStringBuilder);
+ appMaximumMemoryTextView.setText(appMaximumMemoryStringBuilder);
+ systemConsumedMemoryTextView.setText(systemConsumedMemoryStringBuilder);
+ systemAvailableMemoryTextView.setText(systemAvailableMemoryStringBuilder);
+ systemTotalMemoryTextView.setText(systemTotalMemoryStringBuilder);
+ }
+
+ // Schedule another memory update if the activity has not been destroyed.
+ if (!activity.isDestroyed()) {
+ // Create a handler to update the memory usage.
+ Handler updateMemoryUsageHandler = new Handler();
+
+ // Create a runnable to update the memory usage.
+ Runnable updateMemoryUsageRunnable = () -> updateMemoryUsage(activity);
+
+ // Update the memory usage after 1000 milliseconds
+ updateMemoryUsageHandler.postDelayed(updateMemoryUsageRunnable, 1000);
+ }
+ } catch (Exception exception) {
+ // Do nothing.
+ }
+ }
+
+ public String getAboutVersionString() {
+ // Initialize an about version string builder.
+ StringBuilder aboutVersionStringBuilder = new StringBuilder();
+
+ // Populate the about version string builder.
+ aboutVersionStringBuilder.append(privacyBrowserTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(versionTextView.getText());
+ aboutVersionStringBuilder.append("\n\n");
+ aboutVersionStringBuilder.append(hardwareTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(brandTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(manufacturerTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(modelTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(deviceTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(bootloaderTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ if (radioTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(radioTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(softwareTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(androidTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ if (securityPatchTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(securityPatchTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ aboutVersionStringBuilder.append(buildTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ if (webViewProviderTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(webViewProviderTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ aboutVersionStringBuilder.append(webViewVersionTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ if (orbotTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(orbotTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ if (i2pTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(i2pTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ if (openKeychainTextView.getVisibility() == View.VISIBLE) {
+ aboutVersionStringBuilder.append(openKeychainTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ }
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(memoryUsageTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(appConsumedMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(appAvailableMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(appTotalMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(appMaximumMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(systemConsumedMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(systemAvailableMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(systemTotalMemoryTextView.getText());
+ aboutVersionStringBuilder.append("\n\n");
+ aboutVersionStringBuilder.append(blocklistsTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(easyListTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(easyPrivacyTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(fanboyAnnoyanceTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(fanboySocialTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(ultraListTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(ultraPrivacyTextView.getText());
+ aboutVersionStringBuilder.append("\n\n");
+ aboutVersionStringBuilder.append(packageSignatureTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateIssuerDnTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateSubjectDnTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateStartDateTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateEndDateTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateVersionTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateSerialNumberTextView.getText());
+ aboutVersionStringBuilder.append("\n");
+ aboutVersionStringBuilder.append(certificateSignatureAlgorithmTextView.getText());
+
+ // Return the string.
+ return aboutVersionStringBuilder.toString();
+ }
+}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff