1package eu.siacs.conversations.ui;
2
3import android.support.v7.app.AlertDialog;
4import android.content.Intent;
5import android.os.Bundle;
6import android.support.v4.content.ContextCompat;
7import android.support.v7.widget.SwitchCompat;
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.utils.CryptoHelper;
26import eu.siacs.conversations.utils.XmppUri;
27import eu.siacs.conversations.utils.zxing.IntentIntegrator;
28import eu.siacs.conversations.utils.zxing.IntentResult;
29
30
31public abstract class OmemoActivity extends XmppActivity {
32
33 private Account mSelectedAccount;
34 private String mSelectedFingerprint;
35
36 protected XmppUri mPendingFingerprintVerificationUri = null;
37
38 @Override
39 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
40 super.onCreateContextMenu(menu,v,menuInfo);
41 Object account = v.getTag(R.id.TAG_ACCOUNT);
42 Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
43 Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
44 if (account != null
45 && fingerprint != null
46 && account instanceof Account
47 && fingerprintStatus != null
48 && fingerprint instanceof String
49 && fingerprintStatus instanceof FingerprintStatus) {
50 getMenuInflater().inflate(R.menu.omemo_key_context, menu);
51 MenuItem distrust = menu.findItem(R.id.distrust_key);
52 MenuItem verifyScan = menu.findItem(R.id.verify_scan);
53 if (this instanceof TrustKeysActivity) {
54 distrust.setVisible(false);
55 verifyScan.setVisible(false);
56 } else {
57 FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
58 if (!status.isActive() || status.isVerified()) {
59 verifyScan.setVisible(false);
60 }
61 distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
62 }
63 this.mSelectedAccount = (Account) account;
64 this.mSelectedFingerprint = (String) fingerprint;
65 }
66 }
67
68 @Override
69 public boolean onContextItemSelected(MenuItem item) {
70 switch (item.getItemId()) {
71 case R.id.distrust_key:
72 showPurgeKeyDialog(mSelectedAccount,mSelectedFingerprint);
73 break;
74 case R.id.copy_omemo_key:
75 copyOmemoFingerprint(mSelectedFingerprint);
76 break;
77 case R.id.verify_scan:
78 new IntentIntegrator(this).initiateScan(Arrays.asList("AZTEC","QR_CODE"));
79 break;
80 }
81 return true;
82 }
83
84 @Override
85 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
86 IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
87 if (scanResult != null && scanResult.getFormatName() != null) {
88 String data = scanResult.getContents();
89 XmppUri uri = new XmppUri(data);
90 if (xmppConnectionServiceBound) {
91 processFingerprintVerification(uri);
92 } else {
93 this.mPendingFingerprintVerificationUri =uri;
94 }
95 }
96 }
97
98 protected abstract void processFingerprintVerification(XmppUri uri);
99
100 protected void copyOmemoFingerprint(String fingerprint) {
101 if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
102 Toast.makeText(
103 this,
104 R.string.toast_message_omemo_fingerprint,
105 Toast.LENGTH_SHORT).show();
106 }
107 }
108
109 protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
110 final Account account = session.getAccount();
111 final String fingerprint = session.getFingerprint();
112 addFingerprintRowWithListeners(keys,
113 session.getAccount(),
114 fingerprint,
115 highlight,
116 session.getTrust(),
117 true,
118 true,
119 (buttonView, isChecked) -> account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)));
120 }
121
122 protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
123 final String fingerprint,
124 boolean highlight,
125 FingerprintStatus status,
126 boolean showTag,
127 boolean undecidedNeedEnablement,
128 CompoundButton.OnCheckedChangeListener
129 onCheckedChangeListener) {
130 View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false);
131 TextView key = view.findViewById(R.id.key);
132 TextView keyType = view.findViewById(R.id.key_type);
133 if (Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509) {
134 key.setOnClickListener(v -> showX509Certificate(account,fingerprint));
135 keyType.setOnClickListener(v -> showX509Certificate(account,fingerprint));
136 }
137 SwitchCompat trustToggle = view.findViewById(R.id.tgl_trust);
138 ImageView verifiedFingerprintSymbol = view.findViewById(R.id.verified_fingerprint);
139 trustToggle.setVisibility(View.VISIBLE);
140 registerForContextMenu(view);
141 view.setTag(R.id.TAG_ACCOUNT,account);
142 view.setTag(R.id.TAG_FINGERPRINT,fingerprint);
143 view.setTag(R.id.TAG_FINGERPRINT_STATUS,status);
144 boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
145 final View.OnClickListener toast;
146 trustToggle.setChecked(status.isTrusted());
147
148 if (status.isActive()){
149 key.setTextColor(getPrimaryTextColor());
150 keyType.setTextColor(getSecondaryTextColor());
151 if (status.isVerified()) {
152 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
153 verifiedFingerprintSymbol.setAlpha(1.0f);
154 trustToggle.setVisibility(View.GONE);
155 verifiedFingerprintSymbol.setOnClickListener(v -> replaceToast(getString(R.string.this_device_has_been_verified), false));
156 toast = null;
157 } else {
158 verifiedFingerprintSymbol.setVisibility(View.GONE);
159 trustToggle.setVisibility(View.VISIBLE);
160 trustToggle.setOnCheckedChangeListener(onCheckedChangeListener);
161 if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
162 trustToggle.setOnClickListener(v -> {
163 account.getAxolotlService().setFingerprintTrust(fingerprint,FingerprintStatus.createActive(false));
164 v.setEnabled(true);
165 v.setOnClickListener(null);
166 });
167 trustToggle.setEnabled(false);
168 } else {
169 trustToggle.setOnClickListener(null);
170 trustToggle.setEnabled(true);
171 }
172 toast = v -> hideToast();
173 }
174 } else {
175 key.setTextColor(getTertiaryTextColor());
176 keyType.setTextColor(getTertiaryTextColor());
177 toast = v -> replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
178 if (status.isVerified()) {
179 trustToggle.setVisibility(View.GONE);
180 verifiedFingerprintSymbol.setVisibility(View.VISIBLE);
181 verifiedFingerprintSymbol.setAlpha(0.4368f);
182 verifiedFingerprintSymbol.setOnClickListener(toast);
183 } else {
184 trustToggle.setVisibility(View.VISIBLE);
185 verifiedFingerprintSymbol.setVisibility(View.GONE);
186 trustToggle.setOnClickListener(null);
187 trustToggle.setEnabled(false);
188 trustToggle.setOnClickListener(toast);
189 }
190 }
191
192 view.setOnClickListener(toast);
193 key.setOnClickListener(toast);
194 keyType.setOnClickListener(toast);
195 if (showTag) {
196 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
197 } else {
198 keyType.setVisibility(View.GONE);
199 }
200 if (highlight) {
201 keyType.setTextColor(ContextCompat.getColor(this, R.color.accent));
202 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
203 } else {
204 keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
205 }
206
207 key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
208
209 keys.addView(view);
210 }
211
212 public void showPurgeKeyDialog(final Account account, final String fingerprint) {
213 AlertDialog.Builder builder = new AlertDialog.Builder(this);
214 builder.setTitle(R.string.distrust_omemo_key);
215 builder.setMessage(R.string.distrust_omemo_key_text);
216 builder.setNegativeButton(getString(R.string.cancel), null);
217 builder.setPositiveButton(R.string.confirm,
218 (dialog, which) -> {
219 account.getAxolotlService().distrustFingerprint(fingerprint);
220 refreshUi();
221 });
222 builder.create().show();
223 }
224
225 private void showX509Certificate(Account account, String fingerprint) {
226 X509Certificate x509Certificate = account.getAxolotlService().getFingerprintCertificate(fingerprint);
227 if (x509Certificate != null) {
228 showCertificateInformationDialog(CryptoHelper.extractCertificateInformation(x509Certificate));
229 } else {
230 Toast.makeText(this,R.string.certificate_not_found, Toast.LENGTH_SHORT).show();
231 }
232 }
233
234 private void showCertificateInformationDialog(Bundle bundle) {
235 View view = getLayoutInflater().inflate(R.layout.certificate_information, null);
236 final String not_available = getString(R.string.certicate_info_not_available);
237 TextView subject_cn = (TextView) view.findViewById(R.id.subject_cn);
238 TextView subject_o = (TextView) view.findViewById(R.id.subject_o);
239 TextView issuer_cn = (TextView) view.findViewById(R.id.issuer_cn);
240 TextView issuer_o = (TextView) view.findViewById(R.id.issuer_o);
241 TextView sha1 = (TextView) view.findViewById(R.id.sha1);
242
243 subject_cn.setText(bundle.getString("subject_cn", not_available));
244 subject_o.setText(bundle.getString("subject_o", not_available));
245 issuer_cn.setText(bundle.getString("issuer_cn", not_available));
246 issuer_o.setText(bundle.getString("issuer_o", not_available));
247 sha1.setText(bundle.getString("sha1", not_available));
248
249 AlertDialog.Builder builder = new AlertDialog.Builder(this);
250 builder.setTitle(R.string.certificate_information);
251 builder.setView(view);
252 builder.setPositiveButton(R.string.ok, null);
253 builder.create().show();
254 }
255}