X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Ffragments%2FAboutTabFragment.java;h=ffac619f0e97b9d201df5328fe8bef908e8dcba2;hb=e3ed631a52f5e8eac2d5c938b2d475ed6c9362bb;hp=fec8d70c0707c5465212f90053d07f9de689b619;hpb=30199e211f320d781774a8cfa683317c71635871;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/fragments/AboutTabFragment.java b/app/src/main/java/com/stoutner/privacybrowser/fragments/AboutTabFragment.java index fec8d70c..ffac619f 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/fragments/AboutTabFragment.java +++ b/app/src/main/java/com/stoutner/privacybrowser/fragments/AboutTabFragment.java @@ -1,5 +1,5 @@ /* - * Copyright 2016-2017 Soren Stoutner . + * Copyright © 2016-2017 Soren Stoutner . * * This file is part of Privacy Browser . * @@ -19,6 +19,11 @@ package com.stoutner.privacybrowser.fragments; +import android.annotation.SuppressLint; +import android.content.pm.PackageManager; +import android.content.pm.Signature; +import android.graphics.ColorMatrixColorFilter; +import android.graphics.Paint; import android.os.Build; import android.os.Bundle; import android.support.v4.app.Fragment; @@ -33,6 +38,17 @@ import android.widget.TextView; import com.stoutner.privacybrowser.BuildConfig; import com.stoutner.privacybrowser.R; +import com.stoutner.privacybrowser.activities.MainWebViewActivity; + +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.util.Date; public class AboutTabFragment extends Fragment { private int tabNumber; @@ -61,9 +77,12 @@ public class AboutTabFragment extends Fragment { // Load the tabs. Tab numbers start at 0. if (tabNumber == 0) { // Load the about tab. - // 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. - tabLayout = inflater.inflate(R.layout.about_tab_version, container, false); + // Inflate the layout according to the theme. 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. + if (MainWebViewActivity.darkTheme) { + tabLayout = inflater.inflate(R.layout.about_tab_version_dark, container, false); + } else { + tabLayout = inflater.inflate(R.layout.about_tab_version_light, container, false); + } // Get handles for the `TextViews`. TextView versionNumberTextView = (TextView) tabLayout.findViewById(R.id.about_version_number); @@ -77,7 +96,15 @@ public class AboutTabFragment extends Fragment { TextView versionBuildTextView = (TextView) tabLayout.findViewById(R.id.about_version_build); TextView versionSecurityPatchTextView = (TextView) tabLayout.findViewById(R.id.about_version_securitypatch); TextView versionWebKitTextView = (TextView) tabLayout.findViewById(R.id.about_version_webkit); - TextView versionChromeText = (TextView) tabLayout.findViewById(R.id.about_version_chrome); + TextView versionChromeTextView = (TextView) tabLayout.findViewById(R.id.about_version_chrome); + TextView versionOrbotTextView = (TextView) tabLayout.findViewById(R.id.about_version_orbot); + TextView certificateIssuerDNTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_issuer_dn); + TextView certificateSubjectDNTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_subject_dn); + TextView certificateStartDateTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_start_date); + TextView certificateEndDateTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_end_date); + TextView certificateVersionTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_version); + TextView certificateSerialNumberTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_serial_number); + TextView certificateSignatureAlgorithmTextView = (TextView) tabLayout.findViewById(R.id.about_version_certificate_signature_algorithm); // Setup the labels. String version = getString(R.string.version) + " " + BuildConfig.VERSION_NAME + " (" + getString(R.string.version_code) + " " + Integer.toString(BuildConfig.VERSION_CODE) + ")"; @@ -90,6 +117,13 @@ public class AboutTabFragment extends Fragment { String buildLabel = getString(R.string.build) + " "; String webKitLabel = getString(R.string.webkit) + " "; String chromeLabel = getString(R.string.chrome) + " "; + 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) + " "; // `webViewLayout` is only used to get the default user agent from `bare_webview`. It is not used to render content on the screen. View webViewLayout = inflater.inflate(R.layout.bare_webview, container, false); @@ -110,7 +144,16 @@ public class AboutTabFragment extends Fragment { // Select the substring that begins after "Chrome/" and goes until the next " ". String chrome = userAgentString.substring(userAgentString.indexOf("Chrome/") + 7, userAgentString.indexOf(" ", userAgentString.indexOf("Chrome/"))); - // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text. + // Get the Orbot version name if Orbot is installed. + String orbot; + try { + // Store the version name. + orbot = getContext().getPackageManager().getPackageInfo("org.torproject.android", PackageManager.GET_CONFIGURATIONS).versionName; + } catch (PackageManager.NameNotFoundException e) { // Orbot is not installed. + orbot = ""; + } + + // Create a `SpannableStringBuilder` for the hardware and software `TextViews` that needs multiple colors of text. SpannableStringBuilder brandStringBuilder = new SpannableStringBuilder(brandLabel + brand); SpannableStringBuilder manufacturerStringBuilder = new SpannableStringBuilder(manufacturerLabel + manufacturer); SpannableStringBuilder modelStringBuilder = new SpannableStringBuilder(modelLabel + model); @@ -121,8 +164,17 @@ public class AboutTabFragment extends Fragment { SpannableStringBuilder webKitStringBuilder = new SpannableStringBuilder(webKitLabel + webKit); SpannableStringBuilder chromeStringBuilder = new SpannableStringBuilder(chromeLabel + chrome); - // Create a blue `ForegroundColorSpan`. We have to use the deprecated `getColor` until API >= 23. - @SuppressWarnings("deprecation") ForegroundColorSpan blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700)); + // Create the `blueColorSpan` variable. + ForegroundColorSpan blueColorSpan; + + // Set `blueColorSpan` according to the theme. We have to use the deprecated `getColor()` until API >= 23. + if (MainWebViewActivity.darkTheme) { + //noinspection deprecation + blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_400)); + } else { + //noinspection deprecation + blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700)); + } // 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); @@ -135,7 +187,7 @@ public class AboutTabFragment extends Fragment { webKitStringBuilder.setSpan(blueColorSpan, webKitLabel.length(), webKitStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); chromeStringBuilder.setSpan(blueColorSpan, chromeLabel.length(), chromeStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); - // Display the strings. + // Display the strings in the text boxes. versionNumberTextView.setText(version); versionBrandTextView.setText(brandStringBuilder); versionManufacturerTextView.setText(manufacturerStringBuilder); @@ -145,7 +197,7 @@ public class AboutTabFragment extends Fragment { versionAndroidTextView.setText(androidStringBuilder); versionBuildTextView.setText(buildStringBuilder); versionWebKitTextView.setText(webKitStringBuilder); - versionChromeText.setText(chromeStringBuilder); + versionChromeTextView.setText(chromeStringBuilder); // Build.VERSION.SECURITY_PATCH is only available for SDK_INT >= 23. if (Build.VERSION.SDK_INT >= 23) { @@ -154,7 +206,7 @@ public class AboutTabFragment extends Fragment { SpannableStringBuilder securityPatchStringBuilder = new SpannableStringBuilder(securityPatchLabel + securityPatch); securityPatchStringBuilder.setSpan(blueColorSpan, securityPatchLabel.length(), securityPatchStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); versionSecurityPatchTextView.setText(securityPatchStringBuilder); - } else { // Hide `versionSecurityPatchTextView`. + } else { // SDK_INT < 23, so `versionSecurityPatchTextView` should be hidden. versionSecurityPatchTextView.setVisibility(View.GONE); } @@ -164,15 +216,107 @@ public class AboutTabFragment extends Fragment { SpannableStringBuilder radioStringBuilder = new SpannableStringBuilder(radioLabel + radio); radioStringBuilder.setSpan(blueColorSpan, radioLabel.length(), radioStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); versionRadioTextView.setText(radioStringBuilder); - } else { // Hide `versionRadioTextView`. + } else { // This device does not have a radio, so `versionRadioTextView` should be hidden. versionRadioTextView.setVisibility(View.GONE); } + + // Only populate `versionOrbotTextView` if Orbot is installed. + if (!orbot.equals("")) { + String orbotLabel = getString(R.string.orbot) + " "; + SpannableStringBuilder orbotStringBuilder = new SpannableStringBuilder(orbotLabel + orbot); + orbotStringBuilder.setSpan(blueColorSpan, orbotLabel.length(), orbotStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); + versionOrbotTextView.setText(orbotStringBuilder); + } else { // Orbot is not installed, so the `versionOrbotTextView` should be hidden. + versionOrbotTextView.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 = getContext().getPackageManager().getPackageInfo(getContext().getPackageName(), PackageManager.GET_SIGNATURES).signatures[0]; + + // Convert the signature to a `byte[]` `InputStream`. + 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. + } + } catch (PackageManager.NameNotFoundException e) { + // Do nothing if `PackageManager` says Privacy Browser isn't installed. + } } else { // load a WebView for all the other tabs. Tab numbers start at 0. - // 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. + // 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. tabLayout = inflater.inflate(R.layout.bare_webview, container, false); + + // Get a handle for `tabWebView`. WebView tabWebView = (WebView) tabLayout; + // Filter the colors if `darkTheme` is `true`. + if (MainWebViewActivity.darkTheme) { + // Initialize `darkPaint`. + Paint darkPaint = new Paint(); + + // Setup a float array that inverts and tempers the colors (no hard whites or blacks). + float[] darkFilterFloatArray = { + -.8f, 0, 0, 0, 255, // Red. + 0, -.8f, 0, 0, 255, // Green. + 0, 0, -.8f, 0, 255, // Blue. + 0, 0, 0, .8f, 0 // Alpha. + }; + + // Set `darkPaint` to use `darkFilterFloatArray`. + darkPaint.setColorFilter(new ColorMatrixColorFilter(darkFilterFloatArray)); + + // Apply `darkPaint` to `tabWebView`. + tabWebView.setLayerType(View.LAYER_TYPE_HARDWARE, darkPaint); + } else { + // Reset `tabWebView` to use the normal colors. + tabWebView.setLayerType(View.LAYER_TYPE_HARDWARE, null); + } + switch (tabNumber) { case 1: tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_permissions.html");