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 com.google.zxing.integration.android.IntentIntegrator;
18import com.google.zxing.integration.android.IntentResult;
19
20import java.security.cert.X509Certificate;
21import java.util.Arrays;
22
23import eu.siacs.conversations.Config;
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
26import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
27import eu.siacs.conversations.entities.Account;
28import eu.siacs.conversations.ui.widget.Switch;
29import eu.siacs.conversations.utils.CryptoHelper;
30import eu.siacs.conversations.utils.XmppUri;
31
32
33public abstract class OmemoActivity extends XmppActivity {
34
35 private Account mSelectedAccount;
36 private String mSelectedFingerprint;
37
38 protected XmppUri mPendingFingerprintVerificationUri = null;
39
40 @Override
41 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
42 super.onCreateContextMenu(menu,v,menuInfo);
43 Object account = v.getTag(R.id.TAG_ACCOUNT);
44 Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
45 Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
46 if (account != null
47 && fingerprint != null
48 && account instanceof Account
49 && fingerprintStatus != null
50 && fingerprint instanceof String
51 && fingerprintStatus instanceof FingerprintStatus) {
52 getMenuInflater().inflate(R.menu.omemo_key_context, menu);
53 MenuItem distrust = menu.findItem(R.id.distrust_key);
54 MenuItem verifyScan = menu.findItem(R.id.verify_scan);
55 if (this instanceof TrustKeysActivity) {
56 distrust.setVisible(false);
57 verifyScan.setVisible(false);
58 } else {
59 FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
60 if (!status.isActive() || status.isVerified()) {
61 verifyScan.setVisible(false);
62 }
63 distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
64 }
65 this.mSelectedAccount = (Account) account;
66 this.mSelectedFingerprint = (String) fingerprint;
67 }
68 }
69
70 @Override
71 public boolean onContextItemSelected(MenuItem item) {
72 switch (item.getItemId()) {
73 case R.id.distrust_key:
74 showPurgeKeyDialog(mSelectedAccount,mSelectedFingerprint);
75 break;
76 case R.id.copy_omemo_key:
77 copyOmemoFingerprint(mSelectedFingerprint);
78 break;
79 case R.id.verify_scan:
80 new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
81 break;
82 }
83 return true;
84 }
85
86 @Override
87 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
88 IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
89 if (scanResult != null && scanResult.getFormatName() != null) {
90 String data = scanResult.getContents();
91 XmppUri uri = new XmppUri(data);
92 if (xmppConnectionServiceBound) {
93 processFingerprintVerification(uri);
94 } else {
95 this.mPendingFingerprintVerificationUri =uri;
96 }
97 }
98 }
99
100 protected abstract void processFingerprintVerification(XmppUri uri);
101
102 protected void copyOmemoFingerprint(String fingerprint) {
103 if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
104 Toast.makeText(
105 this,
106 R.string.toast_message_omemo_fingerprint,
107 Toast.LENGTH_SHORT).show();
108 }
109 }
110
111 protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
112 final Account account = session.getAccount();
113 final String fingerprint = session.getFingerprint();
114 addFingerprintRowWithListeners(keys,
115 session.getAccount(),
116 fingerprint,
117 highlight,
118 session.getTrust(),
119 true,
120 true,
121 new CompoundButton.OnCheckedChangeListener() {
122 @Override
123 public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
124 account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked));
125 }
126 });
127 }
128
129 protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
130 final String fingerprint,
131 boolean highlight,
132 FingerprintStatus status,
133 boolean showTag,
134 boolean undecidedNeedEnablement,
135 CompoundButton.OnCheckedChangeListener
136 onCheckedChangeListener) {
137 View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false);
138 TextView key = (TextView) view.findViewById(R.id.key);
139 TextView keyType = (TextView) view.findViewById(R.id.key_type);
140 if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) {
141 View.OnClickListener listener = new View.OnClickListener() {
142 @Override
143 public void onClick(View v) {
144 showX509Certificate(account,fingerprint);
145 }
146 };
147 key.setOnClickListener(listener);
148 keyType.setOnClickListener(listener);
149 }
150 Switch trustToggle = (Switch) view.findViewById(R.id.tgl_trust);
151 ImageView verifiedFingerprintSymbol = (ImageView) view.findViewById(R.id.verified_fingerprint);
152 trustToggle.setVisibility(View.VISIBLE);
153 registerForContextMenu(view);
154 view.setTag(R.id.TAG_ACCOUNT,account);
155 view.setTag(R.id.TAG_FINGERPRINT,fingerprint);
156 view.setTag(R.id.TAG_FINGERPRINT_STATUS,status);
157 boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
158 final View.OnClickListener toast;
159 trustToggle.setChecked(status.isTrusted(), false);
160
161 if (status.isActive()){
162 key.setTextColor(getPrimaryTextColor());
163 keyType.setTextColor(getSecondaryTextColor());
164 if (status.isVerified()) {
165 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
166 verifiedFingerprintSymbol.setAlpha(1.0f);
167 trustToggle.setVisibility(View.GONE);
168 verifiedFingerprintSymbol.setOnClickListener(new View.OnClickListener() {
169 @Override
170 public void onClick(View v) {
171 replaceToast(getString(R.string.this_device_has_been_verified), false);
172 }
173 });
174 toast = null;
175 } else {
176 verifiedFingerprintSymbol.setVisibility(View.GONE);
177 trustToggle.setVisibility(View.VISIBLE);
178 trustToggle.setOnCheckedChangeListener(onCheckedChangeListener);
179 if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
180 trustToggle.setOnClickListener(new View.OnClickListener() {
181 @Override
182 public void onClick(View v) {
183 account.getAxolotlService().setFingerprintTrust(fingerprint,FingerprintStatus.createActive(false));
184 v.setEnabled(true);
185 v.setOnClickListener(null);
186 }
187 });
188 trustToggle.setEnabled(false);
189 } else {
190 trustToggle.setOnClickListener(null);
191 trustToggle.setEnabled(true);
192 }
193 toast = new View.OnClickListener() {
194 @Override
195 public void onClick(View v) {
196 hideToast();
197 }
198 };
199 }
200 } else {
201 key.setTextColor(getTertiaryTextColor());
202 keyType.setTextColor(getTertiaryTextColor());
203 toast = new View.OnClickListener() {
204 @Override
205 public void onClick(View v) {
206 replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
207 }
208 };
209 if (status.isVerified()) {
210 trustToggle.setVisibility(View.GONE);
211 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
212 verifiedFingerprintSymbol.setAlpha(0.4368f);
213 verifiedFingerprintSymbol.setOnClickListener(toast);
214 } else {
215 trustToggle.setVisibility(View.VISIBLE);
216 verifiedFingerprintSymbol.setVisibility(View.GONE);
217 trustToggle.setOnClickListener(null);
218 trustToggle.setEnabled(false);
219 trustToggle.setOnClickListener(toast);
220 }
221 }
222
223 view.setOnClickListener(toast);
224 key.setOnClickListener(toast);
225 keyType.setOnClickListener(toast);
226 if (showTag) {
227 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
228 } else {
229 keyType.setVisibility(View.GONE);
230 }
231 if (highlight) {
232 keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
233 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
234 } else {
235 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
236 }
237
238 key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
239
240 keys.addView(view);
241 }
242
243 public void showPurgeKeyDialog(final Account account, final String fingerprint) {
244 AlertDialog.Builder builder = new AlertDialog.Builder(this);
245 builder.setTitle(R.string.distrust_omemo_key);
246 builder.setMessage(R.string.distrust_omemo_key_text);
247 builder.setNegativeButton(getString(R.string.cancel), null);
248 builder.setPositiveButton(R.string.confirm,
249 new DialogInterface.OnClickListener() {
250 @Override
251 public void onClick(DialogInterface dialog, int which) {
252 account.getAxolotlService().distrustFingerprint(fingerprint);
253 refreshUi();
254 }
255 });
256 builder.create().show();
257 }
258
259 private void showX509Certificate(Account account, String fingerprint) {
260 X509Certificate x509Certificate = account.getAxolotlService().getFingerprintCertificate(fingerprint);
261 if (x509Certificate != null) {
262 showCertificateInformationDialog(CryptoHelper.extractCertificateInformation(x509Certificate));
263 } else {
264 Toast.makeText(this,R.string.certificate_not_found, Toast.LENGTH_SHORT).show();
265 }
266 }
267
268 private void showCertificateInformationDialog(Bundle bundle) {
269 View view = getLayoutInflater().inflate(R.layout.certificate_information, null);
270 final String not_available = getString(R.string.certicate_info_not_available);
271 TextView subject_cn = (TextView) view.findViewById(R.id.subject_cn);
272 TextView subject_o = (TextView) view.findViewById(R.id.subject_o);
273 TextView issuer_cn = (TextView) view.findViewById(R.id.issuer_cn);
274 TextView issuer_o = (TextView) view.findViewById(R.id.issuer_o);
275 TextView sha1 = (TextView) view.findViewById(R.id.sha1);
276
277 subject_cn.setText(bundle.getString("subject_cn", not_available));
278 subject_o.setText(bundle.getString("subject_o", not_available));
279 issuer_cn.setText(bundle.getString("issuer_cn", not_available));
280 issuer_o.setText(bundle.getString("issuer_o", not_available));
281 sha1.setText(bundle.getString("sha1", not_available));
282
283 AlertDialog.Builder builder = new AlertDialog.Builder(this);
284 builder.setTitle(R.string.certificate_information);
285 builder.setView(view);
286 builder.setPositiveButton(R.string.ok, null);
287 builder.create().show();
288 }
289}