1package eu.siacs.conversations.ui;
2
3import androidx.databinding.DataBindingUtil;
4
5import androidx.appcompat.app.AlertDialog;
6import android.content.Intent;
7import android.view.ContextMenu;
8import android.view.MenuItem;
9import android.view.View;
10import android.widget.CompoundButton;
11
12import android.widget.LinearLayout;
13import android.widget.Toast;
14
15import eu.siacs.conversations.Config;
16import eu.siacs.conversations.R;
17import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
18import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
19import eu.siacs.conversations.databinding.ContactKeyBinding;
20import eu.siacs.conversations.entities.Account;
21import eu.siacs.conversations.utils.CryptoHelper;
22import eu.siacs.conversations.utils.XmppUri;
23
24public abstract class OmemoActivity extends XmppActivity {
25
26 private Account mSelectedAccount;
27 private String mSelectedFingerprint;
28
29 protected XmppUri mPendingFingerprintVerificationUri = null;
30
31 @Override
32 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
33 super.onCreateContextMenu(menu, v, menuInfo);
34 Object account = v.getTag(R.id.TAG_ACCOUNT);
35 Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
36 Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
37 if (account != null
38 && fingerprint != null
39 && account instanceof Account
40 && fingerprintStatus != null
41 && fingerprint instanceof String
42 && fingerprintStatus instanceof FingerprintStatus) {
43 getMenuInflater().inflate(R.menu.omemo_key_context, menu);
44 MenuItem distrust = menu.findItem(R.id.distrust_key);
45 MenuItem verifyScan = menu.findItem(R.id.verify_scan);
46 if (this instanceof TrustKeysActivity) {
47 distrust.setVisible(false);
48 verifyScan.setVisible(false);
49 } else {
50 FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
51 if (!status.isActive() || status.isVerified()) {
52 verifyScan.setVisible(false);
53 }
54 distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
55 }
56 this.mSelectedAccount = (Account) account;
57 this.mSelectedFingerprint = (String) fingerprint;
58 }
59 }
60
61 @Override
62 public boolean onContextItemSelected(MenuItem item) {
63 switch (item.getItemId()) {
64 case R.id.distrust_key:
65 showPurgeKeyDialog(mSelectedAccount, mSelectedFingerprint);
66 break;
67 case R.id.copy_omemo_key:
68 copyOmemoFingerprint(mSelectedFingerprint);
69 break;
70 case R.id.verify_scan:
71 ScanActivity.scan(this);
72 break;
73 }
74 return true;
75 }
76
77 @Override
78 public void onActivityResult(final int requestCode, final int resultCode, final Intent intent) {
79 super.onActivityResult(requestCode, resultCode, intent);
80 if (requestCode == ScanActivity.REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
81 String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
82 XmppUri uri = new XmppUri(result == null ? "" : result);
83 if (xmppConnectionServiceBound) {
84 processFingerprintVerification(uri);
85 } else {
86 this.mPendingFingerprintVerificationUri = uri;
87 }
88 }
89 }
90
91 protected abstract void processFingerprintVerification(XmppUri uri);
92
93 protected void copyOmemoFingerprint(String fingerprint) {
94 if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
95 Toast.makeText(
96 this,
97 R.string.toast_message_omemo_fingerprint,
98 Toast.LENGTH_SHORT).show();
99 }
100 }
101
102 protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
103 final Account account = session.getAccount();
104 final String fingerprint = session.getFingerprint();
105 addFingerprintRowWithListeners(keys,
106 session.getAccount(),
107 fingerprint,
108 highlight,
109 session.getTrust(),
110 true,
111 true,
112 (buttonView, isChecked) -> account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)));
113 }
114
115 protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
116 final String fingerprint,
117 boolean highlight,
118 FingerprintStatus status,
119 boolean showTag,
120 boolean undecidedNeedEnablement,
121 CompoundButton.OnCheckedChangeListener
122 onCheckedChangeListener) {
123 ContactKeyBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.contact_key, keys, true);
124 binding.tglTrust.setVisibility(View.VISIBLE);
125 registerForContextMenu(binding.getRoot());
126 binding.getRoot().setTag(R.id.TAG_ACCOUNT, account);
127 binding.getRoot().setTag(R.id.TAG_FINGERPRINT, fingerprint);
128 binding.getRoot().setTag(R.id.TAG_FINGERPRINT_STATUS, status);
129 boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
130 final View.OnClickListener toast;
131 binding.tglTrust.setChecked(status.isTrusted());
132
133 if (status.isActive()) {
134 binding.key.setTextAppearance(this,R.style.TextAppearance_Conversations_Fingerprint);
135 binding.keyType.setTextAppearance(this,R.style.TextAppearance_Conversations_Caption);
136 if (status.isVerified()) {
137 binding.verifiedFingerprint.setVisibility(View.VISIBLE);
138 binding.verifiedFingerprint.setAlpha(1.0f);
139 binding.tglTrust.setVisibility(View.GONE);
140 binding.verifiedFingerprint.setOnClickListener(v -> replaceToast(getString(R.string.this_device_has_been_verified), false));
141 toast = null;
142 } else {
143 binding.verifiedFingerprint.setVisibility(View.GONE);
144 binding.tglTrust.setVisibility(View.VISIBLE);
145 binding.tglTrust.setOnCheckedChangeListener(onCheckedChangeListener);
146 if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
147 binding.buttonEnableDevice.setVisibility(View.VISIBLE);
148 binding.buttonEnableDevice.setOnClickListener(v -> {
149 account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(false));
150 binding.buttonEnableDevice.setVisibility(View.GONE);
151 binding.tglTrust.setVisibility(View.VISIBLE);
152 });
153 binding.tglTrust.setVisibility(View.GONE);
154 } else {
155 binding.tglTrust.setOnClickListener(null);
156 binding.tglTrust.setEnabled(true);
157 }
158 toast = v -> hideToast();
159 }
160 } else {
161 binding.key.setTextAppearance(this,R.style.TextAppearance_Conversations_Fingerprint_Disabled);
162 binding.keyType.setTextAppearance(this,R.style.TextAppearance_Conversations_Caption_Disabled);
163 toast = v -> replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
164 if (status.isVerified()) {
165 binding.tglTrust.setVisibility(View.GONE);
166 binding.verifiedFingerprint.setVisibility(View.VISIBLE);
167 binding.verifiedFingerprint.setAlpha(0.4368f);
168 binding.verifiedFingerprint.setOnClickListener(toast);
169 } else {
170 binding.tglTrust.setVisibility(View.VISIBLE);
171 binding.verifiedFingerprint.setVisibility(View.GONE);
172 binding.tglTrust.setEnabled(false);
173 }
174 }
175
176 binding.getRoot().setOnClickListener(toast);
177 binding.key.setOnClickListener(toast);
178 binding.keyType.setOnClickListener(toast);
179 if (showTag) {
180 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
181 } else {
182 binding.keyType.setVisibility(View.GONE);
183 }
184 if (highlight) {
185 binding.keyType.setTextAppearance(this,R.style.TextAppearance_Conversations_Caption_Highlight);
186 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
187 } else {
188 binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
189 }
190
191 binding.key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
192 }
193
194 public void showPurgeKeyDialog(final Account account, final String fingerprint) {
195 AlertDialog.Builder builder = new AlertDialog.Builder(this);
196 builder.setTitle(R.string.distrust_omemo_key);
197 builder.setMessage(R.string.distrust_omemo_key_text);
198 builder.setNegativeButton(getString(R.string.cancel), null);
199 builder.setPositiveButton(R.string.confirm,
200 (dialog, which) -> {
201 account.getAxolotlService().distrustFingerprint(fingerprint);
202 refreshUi();
203 });
204 builder.create().show();
205 }
206
207 @Override
208 public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
209 ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
210 }
211}