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PassCodeManager: add some logic to avoid counting the same activity twice as per NC PR: nextcloud#11242 
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3 files changed

+195
-16
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3 files changed

+195
-16
lines changed

‎app/src/androidTest/java/com/owncloud/android/authentication/PassCodeManagerIT.kt‎

Lines changed: 79 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,79 @@
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/*
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* Nextcloud Android client application
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*
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* @author Álvaro Brey
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* Copyright (C) 2023 Álvaro Brey
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* Copyright (C) 2023 Nextcloud GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.owncloud.android.authentication
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import androidx.test.core.app.launchActivity
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import com.nextcloud.client.TestActivity
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import com.nextcloud.client.core.Clock
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import com.nextcloud.client.preferences.AppPreferences
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import com.owncloud.android.ui.activity.SettingsActivity
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import io.mockk.MockKAnnotations
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import io.mockk.every
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import io.mockk.impl.annotations.MockK
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import org.junit.Assert.assertTrue
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import org.junit.Before
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import org.junit.Test
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/**
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* This class should really be unit tests, but PassCodeManager needs a refactor
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* to decouple the locking logic from the platform classes
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*/
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class PassCodeManagerIT {
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@MockK
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lateinit var appPreferences: AppPreferences
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@MockK
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lateinit var clockImpl: Clock
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lateinit var sut: PassCodeManager
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@Before
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fun before() {
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MockKAnnotations.init(this, relaxed = true)
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sut = PassCodeManager(appPreferences, clockImpl)
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}
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@Test
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fun testResumeDuplicateActivity() {
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// set locked state
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every { appPreferences.lockPreference } returns SettingsActivity.LOCK_PASSCODE
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every { appPreferences.lockTimestamp } returns 200
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every { clockImpl.millisSinceBoot } returns 10000
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launchActivity<TestActivity>().use { scenario ->
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scenario.onActivity { activity ->
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// resume activity twice
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var askedForPin = sut.onActivityResumed(activity)
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assertTrue("Passcode not requested on first launch", askedForPin)
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sut.onActivityResumed(activity)
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// stop it once
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sut.onActivityStopped(activity)
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// resume again. should ask for passcode
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askedForPin = sut.onActivityResumed(activity)
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assertTrue("Passcode not requested on subsequent launch after stop", askedForPin)
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}
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}
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}
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}

‎app/src/main/java/com/owncloud/android/authentication/PassCodeManager.kt‎

Lines changed: 45 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@ import android.content.Intent
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import android.os.PowerManager
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import android.view.View
2727
import android.view.WindowManager
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import androidx.annotation.VisibleForTesting
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import com.nextcloud.client.core.Clock
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import com.nextcloud.client.preferences.AppPreferences
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import com.owncloud.android.MainApp
@@ -48,9 +49,12 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
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* the pass code being requested on screen rotations.
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*/
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private const val PASS_CODE_TIMEOUT = 5000
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private const val TAG = "PassCodeManager"
5154
}
5255

5356
private var visibleActivitiesCounter = 0
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private var lastResumedActivity: Activity? = null
5458

5559
private fun isExemptActivity(activity: Activity): Boolean {
5660
return exemptOfPasscodeActivities.contains(activity.javaClass)
@@ -64,20 +68,17 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
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if (!isExemptActivity(activity)) {
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val passcodeRequested = passCodeShouldBeRequested(timestamp)
6670
val credentialsRequested = deviceCredentialsShouldBeRequested(timestamp, activity)
67-
if (passcodeRequested || credentialsRequested) {
68-
getActivityRootView(activity)?.visibility = View.GONE
69-
} else {
70-
getActivityRootView(activity)?.visibility = View.VISIBLE
71-
}
71+
val shouldHideView = passcodeRequested || credentialsRequested
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toggleActivityVisibility(shouldHideView, activity)
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askedForPin = shouldHideView
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7275
if (passcodeRequested) {
73-
askedForPin = true
74-
preferences.lockTimestamp = 0
7576
requestPasscode(activity)
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} else if (credentialsRequested) {
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requestCredentials(activity)
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}
77-
if (credentialsRequested) {
78-
askedForPin = true
80+
if (askedForPin) {
7981
preferences.lockTimestamp = 0
80-
requestCredentials(activity)
8182
}
8283
}
8384

@@ -86,12 +87,39 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
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}
8788

8889
if (!isExemptActivity(activity)) {
89-
visibleActivitiesCounter++ // keep it AFTER passCodeShouldBeRequested was checked
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addVisibleActivity(activity) // keep it AFTER passCodeShouldBeRequested was checked
9091
}
9192

9293
return askedForPin
9394
}
9495

96+
/**
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* Used to hide root view while transitioning to passcode activity
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*/
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private fun toggleActivityVisibility(
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hide: Boolean,
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activity: Activity
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) {
103+
if (hide) {
104+
getActivityRootView(activity)?.visibility = View.GONE
105+
} else {
106+
getActivityRootView(activity)?.visibility = View.VISIBLE
107+
}
108+
}
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110+
private fun addVisibleActivity(activity: Activity) {
111+
// don't count the same activity twice
112+
if (lastResumedActivity != activity) {
113+
visibleActivitiesCounter++
114+
lastResumedActivity = activity
115+
}
116+
}
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118+
private fun removeVisibleActivity() {
119+
visibleActivitiesCounter--
120+
lastResumedActivity = null
121+
}
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95123
private fun setSecureFlag(activity: Activity) {
96124
val window = activity.window
97125
if (window != null) {
@@ -118,10 +146,10 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
118146

119147
fun onActivityStopped(activity: Activity) {
120148
if (visibleActivitiesCounter > 0 && !isExemptActivity(activity)) {
121-
visibleActivitiesCounter--
149+
removeVisibleActivity()
122150
}
123151
val powerMgr = activity.getSystemService(Context.POWER_SERVICE) as PowerManager
124-
if ((isPassCodeEnabled() || deviceCredentialsAreEnabled(activity)) && !powerMgr?.isScreenOn) {
152+
if ((isPassCodeEnabled() || deviceCredentialsAreEnabled(activity)) && !powerMgr.isScreenOn) {
125153
activity.moveTaskToBack(true)
126154
}
127155
}
@@ -137,7 +165,8 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
137165
abs(clock.millisSinceBoot - timestamp) > PASS_CODE_TIMEOUT &&
138166
visibleActivitiesCounter <= 0
139167

140-
private fun passCodeShouldBeRequested(timestamp: Long): Boolean {
168+
@VisibleForTesting
169+
fun passCodeShouldBeRequested(timestamp: Long): Boolean {
141170
return shouldBeLocked(timestamp) && isPassCodeEnabled()
142171
}
143172

@@ -153,7 +182,7 @@ class PassCodeManager(private val preferences: AppPreferences, private val clock
153182
}
154183

155184
private fun getActivityRootView(activity: Activity): View? {
156-
return activity.window.findViewById(android.R.id.content)
157-
?: activity.window.decorView.findViewById(android.R.id.content)
185+
return activity.window?.findViewById(android.R.id.content)
186+
?: activity.window?.decorView?.findViewById(android.R.id.content)
158187
}
159188
}

‎app/src/test/java/com/owncloud/android/authentication/PassCodeManagerTest.kt‎

Lines changed: 71 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,71 @@
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/*
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* Nextcloud Android client application
3+
*
4+
* @author Álvaro Brey
5+
* Copyright (C) 2023 Álvaro Brey
6+
* Copyright (C) 2023 Nextcloud GmbH
7+
*
8+
* This program is free software; you can redistribute it and/or
9+
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
10+
* License as published by the Free Software Foundation; either
11+
* version 3 of the License, or any later version.
12+
*
13+
* This program is distributed in the hope that it will be useful,
14+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16+
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
17+
*
18+
* You should have received a copy of the GNU Affero General Public
19+
* License along with this program. If not, see <http://www.gnu.org/licenses/>.
20+
*
21+
*/
22+
23+
package com.owncloud.android.authentication
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25+
import com.nextcloud.client.core.Clock
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import com.nextcloud.client.preferences.AppPreferences
27+
import com.owncloud.android.ui.activity.SettingsActivity
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import io.mockk.MockKAnnotations
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import io.mockk.every
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import io.mockk.impl.annotations.MockK
31+
import org.junit.Assert.assertFalse
32+
import org.junit.Assert.assertTrue
33+
import org.junit.Before
34+
import org.junit.Test
35+
36+
class PassCodeManagerTest {
37+
@MockK
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lateinit var appPreferences: AppPreferences
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40+
@MockK
41+
lateinit var clockImpl: Clock
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43+
lateinit var sut: PassCodeManager
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@Before
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fun before() {
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MockKAnnotations.init(this, relaxed = true)
48+
sut = PassCodeManager(appPreferences, clockImpl)
49+
}
50+
51+
@Test
52+
fun testLocked() {
53+
every { appPreferences.lockPreference } returns SettingsActivity.LOCK_PASSCODE
54+
every { clockImpl.millisSinceBoot } returns 10000
55+
assertTrue("Passcode not requested", sut.passCodeShouldBeRequested(200))
56+
}
57+
58+
@Test
59+
fun testPasscodeNotRequested_notEnabled() {
60+
every { appPreferences.lockPreference } returns ""
61+
every { clockImpl.millisSinceBoot } returns 10000
62+
assertFalse("Passcode requested but it shouldn't have been", sut.passCodeShouldBeRequested(200))
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}
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65+
@Test
66+
fun testPasscodeNotRequested_unlockedRecently() {
67+
every { appPreferences.lockPreference } returns SettingsActivity.LOCK_PASSCODE
68+
every { clockImpl.millisSinceBoot } returns 210
69+
assertFalse("Passcode requested but it shouldn't have been", sut.passCodeShouldBeRequested(200))
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}
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}

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