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