1package eu.siacs.conversations.ui;
2
3import android.databinding.DataBindingUtil;
4import android.support.v7.app.AlertDialog;
5import android.content.Intent;
6import android.os.Bundle;
7import android.support.v4.content.ContextCompat;
8import android.support.v7.widget.SwitchCompat;
9import android.view.ContextMenu;
10import android.view.MenuItem;
11import android.view.View;
12import android.widget.CompoundButton;
13import android.widget.ImageButton;
14import android.widget.ImageView;
15import android.widget.LinearLayout;
16import android.widget.TextView;
17import android.widget.Toast;
18
19import java.security.cert.X509Certificate;
20import java.util.Arrays;
21
22import eu.siacs.conversations.Config;
23import eu.siacs.conversations.R;
24import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
25import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
26import eu.siacs.conversations.databinding.ContactKeyBinding;
27import eu.siacs.conversations.entities.Account;
28import eu.siacs.conversations.utils.CryptoHelper;
29import eu.siacs.conversations.utils.XmppUri;
30import eu.siacs.conversations.utils.zxing.IntentIntegrator;
31import eu.siacs.conversations.utils.zxing.IntentResult;
32
33
34public abstract class OmemoActivity extends XmppActivity {
35
36 private Account mSelectedAccount;
37 private String mSelectedFingerprint;
38
39 protected XmppUri mPendingFingerprintVerificationUri = null;
40
41 @Override
42 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
43 super.onCreateContextMenu(menu,v,menuInfo);
44 Object account = v.getTag(R.id.TAG_ACCOUNT);
45 Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
46 Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
47 if (account != null
48 && fingerprint != null
49 && account instanceof Account
50 && fingerprintStatus != null
51 && fingerprint instanceof String
52 && fingerprintStatus instanceof FingerprintStatus) {
53 getMenuInflater().inflate(R.menu.omemo_key_context, menu);
54 MenuItem distrust = menu.findItem(R.id.distrust_key);
55 MenuItem verifyScan = menu.findItem(R.id.verify_scan);
56 if (this instanceof TrustKeysActivity) {
57 distrust.setVisible(false);
58 verifyScan.setVisible(false);
59 } else {
60 FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
61 if (!status.isActive() || status.isVerified()) {
62 verifyScan.setVisible(false);
63 }
64 distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
65 }
66 this.mSelectedAccount = (Account) account;
67 this.mSelectedFingerprint = (String) fingerprint;
68 }
69 }
70
71 @Override
72 public boolean onContextItemSelected(MenuItem item) {
73 switch (item.getItemId()) {
74 case R.id.distrust_key:
75 showPurgeKeyDialog(mSelectedAccount,mSelectedFingerprint);
76 break;
77 case R.id.copy_omemo_key:
78 copyOmemoFingerprint(mSelectedFingerprint);
79 break;
80 case R.id.verify_scan:
81 new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
82 break;
83 }
84 return true;
85 }
86
87 @Override
88 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
89 IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
90 if (scanResult != null && scanResult.getFormatName() != null) {
91 String data = scanResult.getContents();
92 XmppUri uri = new XmppUri(data);
93 if (xmppConnectionServiceBound) {
94 processFingerprintVerification(uri);
95 } else {
96 this.mPendingFingerprintVerificationUri =uri;
97 }
98 }
99 }
100
101 protected abstract void processFingerprintVerification(XmppUri uri);
102
103 protected void copyOmemoFingerprint(String fingerprint) {
104 if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
105 Toast.makeText(
106 this,
107 R.string.toast_message_omemo_fingerprint,
108 Toast.LENGTH_SHORT).show();
109 }
110 }
111
112 protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
113 final Account account = session.getAccount();
114 final String fingerprint = session.getFingerprint();
115 addFingerprintRowWithListeners(keys,
116 session.getAccount(),
117 fingerprint,
118 highlight,
119 session.getTrust(),
120 true,
121 true,
122 (buttonView, isChecked) -> account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)));
123 }
124
125 protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
126 final String fingerprint,
127 boolean highlight,
128 FingerprintStatus status,
129 boolean showTag,
130 boolean undecidedNeedEnablement,
131 CompoundButton.OnCheckedChangeListener
132 onCheckedChangeListener) {
133 ContactKeyBinding binding = DataBindingUtil.inflate(getLayoutInflater(),R.layout.contact_key,keys,true);
134 if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) {
135 binding.key.setOnClickListener(v -> showX509Certificate(account,fingerprint));
136 binding.keyType.setOnClickListener(v -> showX509Certificate(account,fingerprint));
137 }
138 binding.tglTrust.setVisibility(View.VISIBLE);
139 registerForContextMenu(binding.getRoot());
140 binding.getRoot().setTag(R.id.TAG_ACCOUNT,account);
141 binding.getRoot().setTag(R.id.TAG_FINGERPRINT,fingerprint);
142 binding.getRoot().setTag(R.id.TAG_FINGERPRINT_STATUS,status);
143 boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
144 final View.OnClickListener toast;
145 binding.tglTrust.setChecked(status.isTrusted());
146
147 if (status.isActive()){
148 binding.key.setTextColor(getPrimaryTextColor());
149 binding.keyType.setTextColor(getSecondaryTextColor());
150 if (status.isVerified()) {
151 binding.verifiedFingerprint.setVisibility(View.VISIBLE);
152 binding.verifiedFingerprint.setAlpha(1.0f);
153 binding.tglTrust.setVisibility(View.GONE);
154 binding.verifiedFingerprint.setOnClickListener(v -> replaceToast(getString(R.string.this_device_has_been_verified), false));
155 toast = null;
156 } else {
157 binding.verifiedFingerprint.setVisibility(View.GONE);
158 binding.tglTrust.setVisibility(View.VISIBLE);
159 binding.tglTrust.setOnCheckedChangeListener(onCheckedChangeListener);
160 if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
161 binding.buttonEnableDevice.setVisibility(View.VISIBLE);
162 binding.buttonEnableDevice.setOnClickListener(v -> {
163 account.getAxolotlService().setFingerprintTrust(fingerprint,FingerprintStatus.createActive(false));
164 binding.buttonEnableDevice.setVisibility(View.GONE);
165 binding.tglTrust.setVisibility(View.VISIBLE);
166 });
167 binding.tglTrust.setVisibility(View.GONE);
168 } else {
169 binding.tglTrust.setOnClickListener(null);
170 binding.tglTrust.setEnabled(true);
171 }
172 toast = v -> hideToast();
173 }
174 } else {
175 binding.key.setTextColor(getTertiaryTextColor());
176 binding.keyType.setTextColor(getTertiaryTextColor());
177 toast = v -> replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
178 if (status.isVerified()) {
179 binding.tglTrust.setVisibility(View.GONE);
180 binding.verifiedFingerprint.setVisibility(View.VISIBLE);
181 binding.verifiedFingerprint.setAlpha(0.4368f);
182 binding.verifiedFingerprint.setOnClickListener(toast);
183 } else {
184 binding.tglTrust.setVisibility(View.VISIBLE);
185 binding.verifiedFingerprint.setVisibility(View.GONE);
186 binding.tglTrust.setEnabled(false);
187 }
188 }
189
190 binding.getRoot().setOnClickListener(toast);
191 binding.key.setOnClickListener(toast);
192 binding.keyType.setOnClickListener(toast);
193 if (showTag) {
194 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
195 } else {
196 binding.keyType.setVisibility(View.GONE);
197 }
198 if (highlight) {
199 binding.keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
200 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
201 } else {
202 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
203 }
204
205 binding.key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
206 }
207
208 public void showPurgeKeyDialog(final Account account, final String fingerprint) {
209 AlertDialog.Builder builder = new AlertDialog.Builder(this);
210 builder.setTitle(R.string.distrust_omemo_key);
211 builder.setMessage(R.string.distrust_omemo_key_text);
212 builder.setNegativeButton(getString(R.string.cancel), null);
213 builder.setPositiveButton(R.string.confirm,
214 (dialog, which) -> {
215 account.getAxolotlService().distrustFingerprint(fingerprint);
216 refreshUi();
217 });
218 builder.create().show();
219 }
220
221 private void showX509Certificate(Account account, String fingerprint) {
222 X509Certificate x509Certificate = account.getAxolotlService().getFingerprintCertificate(fingerprint);
223 if (x509Certificate != null) {
224 showCertificateInformationDialog(CryptoHelper.extractCertificateInformation(x509Certificate));
225 } else {
226 Toast.makeText(this,R.string.certificate_not_found, Toast.LENGTH_SHORT).show();
227 }
228 }
229
230 private void showCertificateInformationDialog(Bundle bundle) {
231 View view = getLayoutInflater().inflate(R.layout.certificate_information, null);
232 final String not_available = getString(R.string.certicate_info_not_available);
233 TextView subject_cn = (TextView) view.findViewById(R.id.subject_cn);
234 TextView subject_o = (TextView) view.findViewById(R.id.subject_o);
235 TextView issuer_cn = (TextView) view.findViewById(R.id.issuer_cn);
236 TextView issuer_o = (TextView) view.findViewById(R.id.issuer_o);
237 TextView sha1 = (TextView) view.findViewById(R.id.sha1);
238
239 subject_cn.setText(bundle.getString("subject_cn", not_available));
240 subject_o.setText(bundle.getString("subject_o", not_available));
241 issuer_cn.setText(bundle.getString("issuer_cn", not_available));
242 issuer_o.setText(bundle.getString("issuer_o", not_available));
243 sha1.setText(bundle.getString("sha1", not_available));
244
245 AlertDialog.Builder builder = new AlertDialog.Builder(this);
246 builder.setTitle(R.string.certificate_information);
247 builder.setView(view);
248 builder.setPositiveButton(R.string.ok, null);
249 builder.create().show();
250 }
251}