Create Java subpackage folders.
[PrivacyBrowser.git] / app / src / main / java / com / stoutner / privacybrowser / dialogs / ViewSslCertificate.java
1 /**
2  * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
3  *
4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
5  *
6  * Privacy Browser is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Privacy Browser is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 package com.stoutner.privacybrowser.dialogs;
21
22 import android.annotation.SuppressLint;
23 import android.app.AlertDialog;
24 import android.app.Dialog;
25 import android.app.DialogFragment;
26 import android.graphics.drawable.BitmapDrawable;
27 import android.graphics.drawable.Drawable;
28 import android.net.http.SslCertificate;
29 import android.os.Bundle;
30 import android.text.SpannableStringBuilder;
31 import android.text.Spanned;
32 import android.text.style.ForegroundColorSpan;
33 import android.view.LayoutInflater;
34 import android.widget.TextView;
35
36 import com.stoutner.privacybrowser.activities.MainWebView;
37 import com.stoutner.privacybrowser.R;
38
39 import java.util.Date;
40
41 // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
42 @SuppressLint("InflateParams")
43 public class ViewSslCertificate extends DialogFragment {
44     public Dialog onCreateDialog(Bundle savedInstanceState) {
45         // Get the activity's layout inflater.
46         LayoutInflater layoutInflater   = getActivity().getLayoutInflater();
47
48         // Create a drawable version of the favorite icon.
49         Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebView.favoriteIcon);
50
51         // Use `AlertDialog.Builder` to create the `AlertDialog`.  `R.style.LightAlertDialog` formats the color of the button text.
52         AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
53         dialogBuilder.setIcon(favoriteIconDrawable);
54
55         // Set an `onClick` listener on the negative button.  Using `null` closes the dialog without doing anything else.
56         dialogBuilder.setNegativeButton(R.string.close, null);
57
58         // Check to see if the website is encrypted.
59         if (MainWebView.sslCertificate == null) {  // The website is not encrypted.
60             // Set the title.
61             dialogBuilder.setTitle(R.string.unencrypted_website);
62
63             // Set the Layout.  The parent view is `null` because it will be assigned by `AlertDialog`.
64             dialogBuilder.setView(layoutInflater.inflate(R.layout.unencrypted_website, null));
65
66             // Create an `AlertDialog` from the `AlertDialog.Builder`
67             final AlertDialog alertDialog = dialogBuilder.create();
68
69             // Show `alertDialog`.
70             alertDialog.show();
71
72             // `onCreateDialog` requires the return of an `AlertDialog`.
73             return alertDialog;
74
75         } else {  // Display the SSL certificate information
76             // Set the title.
77             dialogBuilder.setTitle(R.string.ssl_certificate);
78
79             // Set the layout.  The parent view is `null` because it will be assigned by `AlertDialog`.
80             dialogBuilder.setView(layoutInflater.inflate(R.layout.view_ssl_certificate, null));
81
82             // Create an `AlertDialog` from the `AlertDialog.Builder`
83             final AlertDialog alertDialog = dialogBuilder.create();
84
85             // We need to show the `AlertDialog` before we can modify items in the layout.
86             alertDialog.show();
87
88             // Get handles for the `TextViews`.
89             TextView issuedToCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_cname);
90             TextView issuedToONameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_oname);
91             TextView issuedToUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_to_uname);
92             TextView issuedByCNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_cname);
93             TextView issuedByONameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_oname);
94             TextView issuedByUNameTextView = (TextView) alertDialog.findViewById(R.id.issued_by_uname);
95             TextView startDateTextView = (TextView) alertDialog.findViewById(R.id.start_date);
96             TextView endDateTextView = (TextView) alertDialog.findViewById(R.id.end_date);
97
98             // Setup the labels.
99             String cNameLabel = getString(R.string.common_name) + "  ";
100             String oNameLabel = getString(R.string.organization) + "  ";
101             String uNameLabel = getString(R.string.organizational_unit) + "  ";
102             String startDateLabel = getString(R.string.start_date) + "  ";
103             String endDateLabel = getString(R.string.end_date) + "  ";
104
105             // Get the SSL certificate.
106             SslCertificate sslCertificate = MainWebView.sslCertificate;
107
108             // Get the strings from the SSL certificate.
109             String issuedToCNameString = sslCertificate.getIssuedTo().getCName();
110             String issuedToONameString = sslCertificate.getIssuedTo().getOName();
111             String issuedToUNameString = sslCertificate.getIssuedTo().getUName();
112             String issuedByCNameString = sslCertificate.getIssuedBy().getCName();
113             String issuedByONameString = sslCertificate.getIssuedBy().getOName();
114             String issuedByUNameString = sslCertificate.getIssuedBy().getUName();
115             Date startDate = sslCertificate.getValidNotBeforeDate();
116             Date endDate = sslCertificate.getValidNotAfterDate();
117
118             // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
119             SpannableStringBuilder issuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedToCNameString);
120             SpannableStringBuilder issuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedToONameString);
121             SpannableStringBuilder issuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedToUNameString);
122             SpannableStringBuilder issuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + issuedByCNameString);
123             SpannableStringBuilder issuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + issuedByONameString);
124             SpannableStringBuilder issuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + issuedByUNameString);
125             SpannableStringBuilder startDateStringBuilder = new SpannableStringBuilder(startDateLabel + startDate.toString());
126             SpannableStringBuilder endDateStringBuilder = new SpannableStringBuilder(endDateLabel + endDate.toString());
127
128             // Create a blue `ForegroundColorSpan`.  We have to use the deprecated `getColor` until API >= 23.
129             @SuppressWarnings("deprecation") ForegroundColorSpan blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
130
131             // Setup the spans to display the certificate information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
132             issuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
133             issuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), issuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
134             issuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), issuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
135             issuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), issuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
136             issuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), issuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
137             issuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), issuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
138             startDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), startDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
139             endDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), endDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
140
141             // Display the strings.
142             issuedToCNameTextView.setText(issuedToCNameStringBuilder);
143             issuedToONameTextView.setText(issuedToONameStringBuilder);
144             issuedToUNameTextView.setText(issuedToUNameStringBuilder);
145             issuedByCNameTextView.setText(issuedByCNameStringBuilder);
146             issuedByONameTextView.setText(issuedByONameStringBuilder);
147             issuedByUNameTextView.setText(issuedByUNameStringBuilder);
148             startDateTextView.setText(startDateStringBuilder);
149             endDateTextView.setText(endDateStringBuilder);
150
151             // `onCreateDialog` requires the return of an `AlertDialog`.
152             return alertDialog;
153         }
154     }
155 }