1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
package de.pixart.messenger.ui;
import android.content.Intent;
import android.databinding.DataBindingUtil;
import android.support.v7.app.AlertDialog;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.Toast;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.crypto.axolotl.FingerprintStatus;
import de.pixart.messenger.crypto.axolotl.XmppAxolotlSession;
import de.pixart.messenger.databinding.ContactKeyBinding;
import de.pixart.messenger.entities.Account;
import de.pixart.messenger.utils.CryptoHelper;
import de.pixart.messenger.utils.XmppUri;
public abstract class OmemoActivity extends XmppActivity {
private Account mSelectedAccount;
private String mSelectedFingerprint;
protected XmppUri mPendingFingerprintVerificationUri = null;
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
Object account = v.getTag(R.id.TAG_ACCOUNT);
Object fingerprint = v.getTag(R.id.TAG_FINGERPRINT);
Object fingerprintStatus = v.getTag(R.id.TAG_FINGERPRINT_STATUS);
if (account != null
&& fingerprint != null
&& account instanceof Account
&& fingerprintStatus != null
&& fingerprint instanceof String
&& fingerprintStatus instanceof FingerprintStatus) {
getMenuInflater().inflate(R.menu.omemo_key_context, menu);
MenuItem distrust = menu.findItem(R.id.distrust_key);
MenuItem verifyScan = menu.findItem(R.id.verify_scan);
if (this instanceof TrustKeysActivity) {
distrust.setVisible(false);
verifyScan.setVisible(false);
} else {
FingerprintStatus status = (FingerprintStatus) fingerprintStatus;
if (!status.isActive() || status.isVerified()) {
verifyScan.setVisible(false);
}
distrust.setVisible(status.isVerified() || (!status.isActive() && status.isTrusted()));
}
this.mSelectedAccount = (Account) account;
this.mSelectedFingerprint = (String) fingerprint;
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.distrust_key:
showPurgeKeyDialog(mSelectedAccount, mSelectedFingerprint);
break;
case R.id.copy_omemo_key:
copyOmemoFingerprint(mSelectedFingerprint);
break;
case R.id.verify_scan:
ScanActivity.scan(this);
break;
}
return true;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, requestCode, intent);
if (requestCode == ScanActivity.REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
XmppUri uri = new XmppUri(result == null ? "" : result);
if (xmppConnectionServiceBound) {
processFingerprintVerification(uri);
} else {
this.mPendingFingerprintVerificationUri = uri;
}
}
}
protected abstract void processFingerprintVerification(XmppUri uri);
protected void copyOmemoFingerprint(String fingerprint) {
if (copyTextToClipboard(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)), R.string.omemo_fingerprint)) {
Toast.makeText(
this,
R.string.toast_message_omemo_fingerprint,
Toast.LENGTH_SHORT).show();
}
}
protected void addFingerprintRow(LinearLayout keys, final XmppAxolotlSession session, boolean highlight) {
final Account account = session.getAccount();
final String fingerprint = session.getFingerprint();
addFingerprintRowWithListeners(keys,
session.getAccount(),
fingerprint,
highlight,
session.getTrust(),
true,
true,
(buttonView, isChecked) -> account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(isChecked)));
}
protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
final String fingerprint,
boolean highlight,
FingerprintStatus status,
boolean showTag,
boolean undecidedNeedEnablement,
CompoundButton.OnCheckedChangeListener
onCheckedChangeListener) {
ContactKeyBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.contact_key, keys, true);
binding.tglTrust.setVisibility(View.VISIBLE);
registerForContextMenu(binding.getRoot());
binding.getRoot().setTag(R.id.TAG_ACCOUNT, account);
binding.getRoot().setTag(R.id.TAG_FINGERPRINT, fingerprint);
binding.getRoot().setTag(R.id.TAG_FINGERPRINT_STATUS, status);
boolean x509 = Config.X509_VERIFICATION && status.getTrust() == FingerprintStatus.Trust.VERIFIED_X509;
final View.OnClickListener toast;
binding.tglTrust.setChecked(status.isTrusted());
if (status.isActive()) {
binding.key.setTextAppearance(this, R.style.TextAppearance_Conversations_Fingerprint);
binding.keyType.setTextAppearance(this, R.style.TextAppearance_Conversations_Caption);
if (status.isVerified()) {
binding.verifiedFingerprint.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setAlpha(1.0f);
binding.tglTrust.setVisibility(View.GONE);
binding.verifiedFingerprint.setOnClickListener(v -> replaceToast(getString(R.string.this_device_has_been_verified), false));
toast = null;
} else {
binding.verifiedFingerprint.setVisibility(View.GONE);
binding.tglTrust.setVisibility(View.VISIBLE);
binding.tglTrust.setOnCheckedChangeListener(onCheckedChangeListener);
if (status.getTrust() == FingerprintStatus.Trust.UNDECIDED && undecidedNeedEnablement) {
binding.buttonEnableDevice.setVisibility(View.VISIBLE);
binding.buttonEnableDevice.setOnClickListener(v -> {
account.getAxolotlService().setFingerprintTrust(fingerprint, FingerprintStatus.createActive(false));
binding.buttonEnableDevice.setVisibility(View.GONE);
binding.tglTrust.setVisibility(View.VISIBLE);
});
binding.tglTrust.setVisibility(View.GONE);
} else {
binding.tglTrust.setOnClickListener(null);
binding.tglTrust.setEnabled(true);
}
toast = v -> hideToast();
}
} else {
binding.key.setTextAppearance(this, R.style.TextAppearance_Conversations_Fingerprint_Disabled);
binding.keyType.setTextAppearance(this, R.style.TextAppearance_Conversations_Caption_Disabled);
toast = v -> replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
if (status.isVerified()) {
binding.tglTrust.setVisibility(View.GONE);
binding.verifiedFingerprint.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setAlpha(0.4368f);
binding.verifiedFingerprint.setOnClickListener(toast);
} else {
binding.tglTrust.setVisibility(View.VISIBLE);
binding.verifiedFingerprint.setVisibility(View.GONE);
binding.tglTrust.setEnabled(false);
}
}
binding.getRoot().setOnClickListener(toast);
binding.key.setOnClickListener(toast);
binding.keyType.setOnClickListener(toast);
if (showTag) {
binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
} else {
binding.keyType.setVisibility(View.GONE);
}
if (highlight) {
binding.keyType.setTextAppearance(this, R.style.TextAppearance_Conversations_Caption_Highlight);
binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
} else {
binding.keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
}
binding.key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
}
public void showPurgeKeyDialog(final Account account, final String fingerprint) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.distrust_omemo_key);
builder.setMessage(R.string.distrust_omemo_key_text);
builder.setNegativeButton(getString(R.string.cancel), null);
builder.setPositiveButton(R.string.confirm,
(dialog, which) -> {
account.getAxolotlService().distrustFingerprint(fingerprint);
refreshUi();
});
builder.create().show();
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
}
}
|