1package eu.siacs.conversations.ui;
2
3import android.app.AlertDialog;
4import android.content.DialogInterface;
5import android.content.Intent;
6import android.os.Bundle;
7import android.support.v4.content.ContextCompat;
8import android.view.ContextMenu;
9import android.view.MenuItem;
10import android.view.View;
11import android.widget.CompoundButton;
12import android.widget.ImageView;
13import android.widget.LinearLayout;
14import android.widget.TextView;
15import android.widget.Toast;
16
17import java.security.cert.X509Certificate;
18import java.util.Arrays;
19
20import eu.siacs.conversations.Config;
21import eu.siacs.conversations.R;
22import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
23import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
24import eu.siacs.conversations.entities.Account;
25import eu.siacs.conversations.ui.widget.Switch;
26import eu.siacs.conversations.utils.CryptoHelper;
27import eu.siacs.conversations.utils.XmppUri;
28import eu.siacs.conversations.utils.zxing.IntentIntegrator;
29import eu.siacs.conversations.utils.zxing.IntentResult;
30
31
32public abstract class OmemoActivity extends XmppActivity {
33
34 private Account mSelectedAccount;
35 private String mSelectedFingerprint;
36
37 protected XmppUri mPendingFingerprintVerificationUri = null;
38
39 @Override
40 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
41 super.onCreateContextMenu(menu,v,menuInfo);
42 Object account = v.getTag(R.id.TAG_ACCOUNT);
43 Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
44 Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
45 if (account != null
46 && fingerprint != null
47 && account instanceof Account
48 && fingerprintStatus != null
49 && fingerprint instanceof String
50 && fingerprintStatus instanceof FingerprintStatus) {
51 getMenuInflater().inflate(R.menu.omemo_key_context, menu);
52 MenuItem distrust = menu.findItem(R.id.distrust_key);
53 MenuItem verifyScan = menu.findItem(R.id.verify_scan);
54 if (this instanceof TrustKeysActivity) {
55 distrust.setVisible(false);
56 verifyScan.setVisible(false);
57 } else {
58 FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
59 if (!status.isActive() || status.isVerified()) {
60 verifyScan.setVisible(false);
61 }
62 distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
63 }
64 this.mSelectedAccount = (Account) account;
65 this.mSelectedFingerprint = (String) fingerprint;
66 }
67 }
68
69 @Override
70 public boolean onContextItemSelected(MenuItem item) {
71 switch (item.getItemId()) {
72 case R.id.distrust_key:
73 showPurgeKeyDialog(mSelectedAccount,mSelectedFingerprint);
74 break;
75 case R.id.copy_omemo_key:
76 copyOmemoFingerprint(mSelectedFingerprint);
77 break;
78 case R.id.verify_scan:
79 new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
80 break;
81 }
82 return true;
83 }
84
85 @Override
86 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
87 IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
88 if (scanResult != null && scanResult.getFormatName() != null) {
89 String data = scanResult.getContents();
90 XmppUri uri = new XmppUri(data);
91 if (xmppConnectionServiceBound) {
92 processFingerprintVerification(uri);
93 } else {
94 this.mPendingFingerprintVerificationUri =uri;
95 }
96 }
97 }
98
99 protected abstract void processFingerprintVerification(XmppUri uri);
100
101 protected void copyOmemoFingerprint(String fingerprint) {
102 if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
103 Toast.makeText(
104 this,
105 R.string.toast_message_omemo_fingerprint,
106 Toast.LENGTH_SHORT).show();
107 }
108 }
109
110 protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
111 final Account account = session.getAccount();
112 final String fingerprint = session.getFingerprint();
113 addFingerprintRowWithListeners(keys,
114 session.getAccount(),
115 fingerprint,
116 highlight,
117 session.getTrust(),
118 true,
119 true,
120 new CompoundButton.OnCheckedChangeListener() {
121 @Override
122 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
123 account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked));
124 }
125 });
126 }
127
128 protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
129 final String fingerprint,
130 boolean highlight,
131 FingerprintStatus status,
132 boolean showTag,
133 boolean undecidedNeedEnablement,
134 CompoundButton.OnCheckedChangeListener
135 onCheckedChangeListener) {
136 View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false);
137 TextView key = (TextView) view.findViewById(R.id.key);
138 TextView keyType = (TextView) view.findViewById(R.id.key_type);
139 if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) {
140 View.OnClickListener listener = new View.OnClickListener() {
141 @Override
142 public void onClick(View v) {
143 showX509Certificate(account,fingerprint);
144 }
145 };
146 key.setOnClickListener(listener);
147 keyType.setOnClickListener(listener);
148 }
149 Switch trustToggle = (Switch) view.findViewById(R.id.tgl_trust);
150 ImageView verifiedFingerprintSymbol = (ImageView) view.findViewById(R.id.verified_fingerprint);
151 trustToggle.setVisibility(View.VISIBLE);
152 registerForContextMenu(view);
153 view.setTag(R.id.TAG_ACCOUNT,account);
154 view.setTag(R.id.TAG_FINGERPRINT,fingerprint);
155 view.setTag(R.id.TAG_FINGERPRINT_STATUS,status);
156 boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
157 final View.OnClickListener toast;
158 trustToggle.setChecked(status.isTrusted(), false);
159
160 if (status.isActive()){
161 key.setTextColor(getPrimaryTextColor());
162 keyType.setTextColor(getSecondaryTextColor());
163 if (status.isVerified()) {
164 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
165 verifiedFingerprintSymbol.setAlpha(1.0f);
166 trustToggle.setVisibility(View.GONE);
167 verifiedFingerprintSymbol.setOnClickListener(new View.OnClickListener() {
168 @Override
169 public void onClick(View v) {
170 replaceToast(getString(R.string.this_device_has_been_verified), false);
171 }
172 });
173 toast = null;
174 } else {
175 verifiedFingerprintSymbol.setVisibility(View.GONE);
176 trustToggle.setVisibility(View.VISIBLE);
177 trustToggle.setOnCheckedChangeListener(onCheckedChangeListener);
178 if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
179 trustToggle.setOnClickListener(new View.OnClickListener() {
180 @Override
181 public void onClick(View v) {
182 account.getAxolotlService().setFingerprintTrust(fingerprint,FingerprintStatus.createActive(false));
183 v.setEnabled(true);
184 v.setOnClickListener(null);
185 }
186 });
187 trustToggle.setEnabled(false);
188 } else {
189 trustToggle.setOnClickListener(null);
190 trustToggle.setEnabled(true);
191 }
192 toast = new View.OnClickListener() {
193 @Override
194 public void onClick(View v) {
195 hideToast();
196 }
197 };
198 }
199 } else {
200 key.setTextColor(getTertiaryTextColor());
201 keyType.setTextColor(getTertiaryTextColor());
202 toast = new View.OnClickListener() {
203 @Override
204 public void onClick(View v) {
205 replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
206 }
207 };
208 if (status.isVerified()) {
209 trustToggle.setVisibility(View.GONE);
210 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
211 verifiedFingerprintSymbol.setAlpha(0.4368f);
212 verifiedFingerprintSymbol.setOnClickListener(toast);
213 } else {
214 trustToggle.setVisibility(View.VISIBLE);
215 verifiedFingerprintSymbol.setVisibility(View.GONE);
216 trustToggle.setOnClickListener(null);
217 trustToggle.setEnabled(false);
218 trustToggle.setOnClickListener(toast);
219 }
220 }
221
222 view.setOnClickListener(toast);
223 key.setOnClickListener(toast);
224 keyType.setOnClickListener(toast);
225 if (showTag) {
226 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
227 } else {
228 keyType.setVisibility(View.GONE);
229 }
230 if (highlight) {
231 keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
232 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
233 } else {
234 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
235 }
236
237 key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
238
239 keys.addView(view);
240 }
241
242 public void showPurgeKeyDialog(final Account account, final String fingerprint) {
243 AlertDialog.Builder builder = new AlertDialog.Builder(this);
244 builder.setTitle(R.string.distrust_omemo_key);
245 builder.setMessage(R.string.distrust_omemo_key_text);
246 builder.setNegativeButton(getString(R.string.cancel), null);
247 builder.setPositiveButton(R.string.confirm,
248 new DialogInterface.OnClickListener() {
249 @Override
250 public void onClick(DialogInterface dialog, int which) {
251 account.getAxolotlService().distrustFingerprint(fingerprint);
252 refreshUi();
253 }
254 });
255 builder.create().show();
256 }
257
258 private void showX509Certificate(Account account, String fingerprint) {
259 X509Certificate x509Certificate = account.getAxolotlService().getFingerprintCertificate(fingerprint);
260 if (x509Certificate != null) {
261 showCertificateInformationDialog(CryptoHelper.extractCertificateInformation(x509Certificate));
262 } else {
263 Toast.makeText(this,R.string.certificate_not_found, Toast.LENGTH_SHORT).show();
264 }
265 }
266
267 private void showCertificateInformationDialog(Bundle bundle) {
268 View view = getLayoutInflater().inflate(R.layout.certificate_information, null);
269 final String not_available = getString(R.string.certicate_info_not_available);
270 TextView subject_cn = (TextView) view.findViewById(R.id.subject_cn);
271 TextView subject_o = (TextView) view.findViewById(R.id.subject_o);
272 TextView issuer_cn = (TextView) view.findViewById(R.id.issuer_cn);
273 TextView issuer_o = (TextView) view.findViewById(R.id.issuer_o);
274 TextView sha1 = (TextView) view.findViewById(R.id.sha1);
275
276 subject_cn.setText(bundle.getString("subject_cn", not_available));
277 subject_o.setText(bundle.getString("subject_o", not_available));
278 issuer_cn.setText(bundle.getString("issuer_cn", not_available));
279 issuer_o.setText(bundle.getString("issuer_o", not_available));
280 sha1.setText(bundle.getString("sha1", not_available));
281
282 AlertDialog.Builder builder = new AlertDialog.Builder(this);
283 builder.setTitle(R.string.certificate_information);
284 builder.setView(view);
285 builder.setPositiveButton(R.string.ok, null);
286 builder.create().show();
287 }
288}