Remove setting for unlimited quota

we set a hard limit for 1 GiB per app for now, but leave code in to make it configurable in the future

app/src/androidTest/java/com/stevesoltys/seedvault/KoinInstrumentationTestApp.kt

@@ -37,7 +37,7 @@ class KoinInstrumentationTestApp : App() {
 
             single { spyk(BackupNotificationManager(context)) }
             single { spyk(FullBackup(get(), get(), get(), get())) }
-            single { spyk(KVBackup(get(), get(), get(), get())) }
+            single { spyk(KVBackup(get(), get(), get())) }
             single { spyk(InputFactory()) }
 
             single { spyk(FullRestore(get(), get(), get(), get(), get(), get())) }

app/src/androidTest/java/com/stevesoltys/seedvault/transport/backup/KvBackupInstrumentationTest.kt

@@ -40,7 +40,6 @@ class KvBackupInstrumentationTest : KoinComponent {
     private val dbManager: KvDbManager by inject()
 
     private val backup = KVBackup(
-        settingsManager = settingsManager,
         backupReceiver = backupReceiver,
         inputFactory = inputFactory,
         dbManager = dbManager,

app/src/main/java/com/stevesoltys/seedvault/settings/ExpertSettingsFragment.kt

@@ -11,7 +11,6 @@ import androidx.activity.result.contract.ActivityResultContracts.CreateDocument
 import androidx.preference.Preference
 import androidx.preference.Preference.OnPreferenceChangeListener
 import androidx.preference.PreferenceFragmentCompat
-import androidx.preference.SwitchPreferenceCompat
 import androidx.preference.TwoStatePreference
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.mms.ContentType.TEXT_PLAIN
@@ -65,13 +64,6 @@ class ExpertSettingsFragment : PreferenceFragmentCompat() {
             createFileLauncher.launch(name)
             true
         }
-
-        val quotaPreference = findPreference<SwitchPreferenceCompat>(PREF_KEY_UNLIMITED_QUOTA)
-
-        quotaPreference?.setOnPreferenceChangeListener { _, newValue ->
-            quotaPreference.isChecked = newValue as Boolean
-            true
-        }
     }
 
     override fun onStart() {

app/src/main/java/com/stevesoltys/seedvault/settings/SettingsManager.kt

@@ -55,7 +55,6 @@ private const val PREF_KEY_WEBDAV_PASS = "webDavPass"
 private const val PREF_KEY_BACKUP_APP_BLACKLIST = "backupAppBlacklist"
 
 private const val PREF_KEY_BACKUP_STORAGE = "backup_storage"
-internal const val PREF_KEY_UNLIMITED_QUOTA = "unlimited_quota"
 internal const val PREF_KEY_LAST_BACKUP = "lastBackup"
 
 class SettingsManager(private val context: Context) {
@@ -246,7 +245,7 @@ class SettingsManager(private val context: Context) {
         prefs.edit().putStringSet(PREF_KEY_BACKUP_APP_BLACKLIST, blacklistedApps).apply()
     }
 
-    fun isQuotaUnlimited() = prefs.getBoolean(PREF_KEY_UNLIMITED_QUOTA, false)
+    val quota: Long = 1024 * 1024 * 1024 // 1 GiB for now
 
     /**
      * This assumes that if there's no storage plugin set, it is the first start.

app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinator.kt

@@ -134,7 +134,7 @@ internal class BackupCoordinator(
     fun getBackupQuota(packageName: String, isFullBackup: Boolean): Long {
         // report back quota
         Log.i(TAG, "Get backup quota for $packageName. Is full backup: $isFullBackup.")
-        val quota = if (isFullBackup) full.quota else kv.quota
+        val quota = settingsManager.quota
         Log.i(TAG, "Reported quota of $quota bytes.")
         return quota
     }

app/src/main/java/com/stevesoltys/seedvault/transport/backup/BackupModule.kt

@@ -21,7 +21,6 @@ val backupModule = module {
     single<KvDbManager> { KvDbManagerImpl(androidContext()) }
     single {
         KVBackup(
-            settingsManager = get(),
             backupReceiver = get(),
             inputFactory = get(),
             dbManager = get(),

app/src/main/java/com/stevesoltys/seedvault/transport/backup/FullBackup.kt

@@ -32,8 +32,6 @@ private class FullBackupState(
     var size: Long = 0
 }
 
-const val DEFAULT_QUOTA_FULL_BACKUP = (2 * (25 * 1024 * 1024)).toLong()
-
 private val TAG = FullBackup::class.java.simpleName
 
 @Suppress("BlockingMethodInNonBlockingContext")
@@ -48,12 +46,7 @@ internal class FullBackup(
 
     val hasState: Boolean get() = state != null
     val currentPackageInfo get() = state?.packageInfo
-    val quota
-        get() = if (settingsManager.isQuotaUnlimited()) {
-            Long.MAX_VALUE
-        } else {
-            DEFAULT_QUOTA_FULL_BACKUP
-        }
+    val quota get() = settingsManager.quota
 
     fun checkFullBackupSize(size: Long): Int {
         Log.i(TAG, "Check full backup size of $size bytes.")

app/src/main/java/com/stevesoltys/seedvault/transport/backup/KVBackup.kt

@@ -16,7 +16,6 @@ import android.os.ParcelFileDescriptor
 import android.util.Log
 import com.stevesoltys.seedvault.repo.BackupData
 import com.stevesoltys.seedvault.repo.BackupReceiver
-import com.stevesoltys.seedvault.settings.SettingsManager
 import java.io.IOException
 
 class KVBackupState(
@@ -24,12 +23,9 @@ class KVBackupState(
     val db: KVDb,
 )
 
-const val DEFAULT_QUOTA_KEY_VALUE_BACKUP = (2 * (5 * 1024 * 1024)).toLong()
-
 private val TAG = KVBackup::class.java.simpleName
 
 internal class KVBackup(
-    private val settingsManager: SettingsManager,
     private val backupReceiver: BackupReceiver,
     private val inputFactory: InputFactory,
     private val dbManager: KvDbManager,
@@ -39,12 +35,6 @@ internal class KVBackup(
 
     val hasState get() = state != null
     val currentPackageInfo get() = state?.packageInfo
-    val quota: Long
-        get() = if (settingsManager.isQuotaUnlimited()) {
-            Long.MAX_VALUE
-        } else {
-            DEFAULT_QUOTA_KEY_VALUE_BACKUP
-        }
 
     fun performBackup(
         packageInfo: PackageInfo,

app/src/main/res/values/strings.xml

@@ -67,8 +67,6 @@
     <string name="settings_scheduling_charging_title">Back up only when charging</string>
 
     <string name="settings_expert_title">Expert settings</string>
-    <string name="settings_expert_quota_title">Unlimited app quota</string>
-    <string name="settings_expert_quota_summary">Do not impose a limitation on the size of app backups.\n\nWarning: This can fill up your storage location quickly. Not needed for most apps.</string>
     <string name="settings_expert_logcat_title">Save app log</string>
     <string name="settings_expert_logcat_summary">Developers can diagnose bugs with these logs.\n\nWarning: The log file might contain personally identifiable information. Review before and delete after sharing!</string>
     <string name="settings_expert_logcat_error">Error: Could not save app log</string>

app/src/main/res/xml/settings_expert.xml

@@ -3,12 +3,6 @@
   SPDX-License-Identifier: Apache-2.0
   -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
-    <SwitchPreferenceCompat
-        android:defaultValue="false"
-        android:key="unlimited_quota"
-        android:summary="@string/settings_expert_quota_summary"
-        android:title="@string/settings_expert_quota_title" />
-
     <SwitchPreferenceCompat
         android:defaultValue="true"
         android:icon="@drawable/ic_apps"

app/src/test/java/com/stevesoltys/seedvault/transport/CoordinatorIntegrationTest.kt

@@ -80,7 +80,6 @@ internal class CoordinatorIntegrationTest : TransportTest() {
     private val snapshotManager = mockk<SnapshotManager>()
     private val backupReceiver = mockk<BackupReceiver>()
     private val kvBackup = KVBackup(
-        settingsManager = settingsManager,
         backupReceiver = backupReceiver,
         inputFactory = inputFactory,
         dbManager = dbManager,
@@ -287,7 +286,7 @@ internal class CoordinatorIntegrationTest : TransportTest() {
         val bInputStream = ByteArrayInputStream(appData)
 
         every { inputFactory.getInputStream(fileDescriptor) } returns bInputStream
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
         coEvery { backupReceiver.addBytes(any(), capture(byteSlot)) } answers {
             bOutputStream.writeBytes(byteSlot.captured)
         }

app/src/test/java/com/stevesoltys/seedvault/transport/TransportTest.kt

@@ -57,6 +57,7 @@ internal abstract class TransportTest {
 
     protected val sigInfo: SigningInfo = mockk()
     protected val token = Random.nextLong()
+    protected val quota = Random.nextLong(1, Long.MAX_VALUE)
     protected val applicationInfo = mockk<ApplicationInfo> {
         flags = FLAG_ALLOW_BACKUP or FLAG_INSTALLED
     }

app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupCoordinatorTest.kt

@@ -87,11 +87,7 @@ internal class BackupCoordinatorTest : BackupTest() {
         val isFullBackup = Random.nextBoolean()
         val quota = Random.nextLong()
 
-        if (isFullBackup) {
-            every { full.quota } returns quota
-        } else {
-            every { kv.quota } returns quota
-        }
+        every { settingsManager.quota } returns quota
         assertEquals(quota, backup.getBackupQuota(packageInfo.packageName, isFullBackup))
     }
 
@@ -182,9 +178,9 @@ internal class BackupCoordinatorTest : BackupTest() {
         coEvery {
             full.performFullBackup(packageInfo, fileDescriptor, 0)
         } returns TRANSPORT_OK
-        every { full.quota } returns DEFAULT_QUOTA_FULL_BACKUP
+        every { settingsManager.quota } returns quota
         every {
-            full.checkFullBackupSize(DEFAULT_QUOTA_FULL_BACKUP + 1)
+            full.checkFullBackupSize(quota + 1)
         } returns TRANSPORT_QUOTA_EXCEEDED
         every { full.currentPackageInfo } returns packageInfo
         every {
@@ -202,14 +198,8 @@ internal class BackupCoordinatorTest : BackupTest() {
             TRANSPORT_OK,
             backup.performFullBackup(packageInfo, fileDescriptor, 0)
         )
-        assertEquals(
-            DEFAULT_QUOTA_FULL_BACKUP,
-            backup.getBackupQuota(packageInfo.packageName, true)
-        )
-        assertEquals(
-            TRANSPORT_QUOTA_EXCEEDED,
-            backup.checkFullBackupSize(DEFAULT_QUOTA_FULL_BACKUP + 1)
-        )
+        assertEquals(quota, backup.getBackupQuota(packageInfo.packageName, true))
+        assertEquals(TRANSPORT_QUOTA_EXCEEDED, backup.checkFullBackupSize(quota + 1))
         backup.cancelFullBackup()
         assertEquals(0L, backup.requestFullBackupTime())
 
@@ -227,7 +217,7 @@ internal class BackupCoordinatorTest : BackupTest() {
         coEvery {
             full.performFullBackup(packageInfo, fileDescriptor, 0)
         } returns TRANSPORT_OK
-        every { full.quota } returns DEFAULT_QUOTA_FULL_BACKUP
+        every { settingsManager.quota } returns quota
         every { full.checkFullBackupSize(0) } returns TRANSPORT_PACKAGE_REJECTED
         every { full.currentPackageInfo } returns packageInfo
         every {
@@ -241,14 +231,8 @@ internal class BackupCoordinatorTest : BackupTest() {
         every { backendManager.backendProperties } returns safProperties
         every { settingsManager.useMeteredNetwork } returns false
 
-        assertEquals(
-            TRANSPORT_OK,
-            backup.performFullBackup(packageInfo, fileDescriptor, 0)
-        )
-        assertEquals(
-            DEFAULT_QUOTA_FULL_BACKUP,
-            backup.getBackupQuota(packageInfo.packageName, true)
-        )
+        assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, fileDescriptor, 0))
+        assertEquals(quota, backup.getBackupQuota(packageInfo.packageName, true))
         assertEquals(TRANSPORT_PACKAGE_REJECTED, backup.checkFullBackupSize(0))
         backup.cancelFullBackup()
         assertEquals(0L, backup.requestFullBackupTime())

app/src/test/java/com/stevesoltys/seedvault/transport/backup/BackupTest.kt

@@ -17,6 +17,4 @@ internal abstract class BackupTest : TransportTest() {
     protected val outputStream = mockk<OutputStream>()
     protected val encryptedOutputStream = mockk<OutputStream>()
 
-    protected val quota = DEFAULT_QUOTA_FULL_BACKUP
-
 }

app/src/test/java/com/stevesoltys/seedvault/transport/backup/FullBackupTest.kt

@@ -49,21 +49,14 @@ internal class FullBackupTest : BackupTest() {
 
     @Test
     fun `checkFullBackupSize exceeds quota`() {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
 
         assertEquals(
             TRANSPORT_QUOTA_EXCEEDED,
-            backup.checkFullBackupSize(DEFAULT_QUOTA_FULL_BACKUP + 1)
+            backup.checkFullBackupSize(quota + 1)
         )
     }
 
-    @Test
-    fun `checkFullBackupSize does not exceed quota when unlimited`() {
-        every { settingsManager.isQuotaUnlimited() } returns true
-
-        assertEquals(TRANSPORT_OK, backup.checkFullBackupSize(quota + 1))
-    }
-
     @Test
     fun `checkFullBackupSize for no data`() {
         assertEquals(TRANSPORT_PACKAGE_REJECTED, backup.checkFullBackupSize(0))
@@ -76,14 +69,14 @@ internal class FullBackupTest : BackupTest() {
 
     @Test
     fun `checkFullBackupSize accepts min data`() {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
 
         assertEquals(TRANSPORT_OK, backup.checkFullBackupSize(1))
     }
 
     @Test
     fun `checkFullBackupSize accepts max data`() {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
 
         assertEquals(TRANSPORT_OK, backup.checkFullBackupSize(quota))
     }
@@ -104,7 +97,8 @@ internal class FullBackupTest : BackupTest() {
 
     @Test
     fun `sendBackupData first call over quota`() = runBlocking {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        val quota = Random.nextInt(1, Int.MAX_VALUE).toLong()
+        every { settingsManager.quota } returns quota
         every { inputFactory.getInputStream(data) } returns inputStream
         val numBytes = (quota + 1).toInt()
         expectSendData(numBytes)
@@ -123,7 +117,8 @@ internal class FullBackupTest : BackupTest() {
 
     @Test
     fun `sendBackupData subsequent calls over quota`() = runBlocking {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        val quota = (50 * 1024 * 1024).toLong()
+        every { settingsManager.quota } returns quota
         every { inputFactory.getInputStream(data) } returns inputStream
 
         assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, data, 0))
@@ -155,7 +150,7 @@ internal class FullBackupTest : BackupTest() {
         assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, data, 0))
         assertTrue(backup.hasState)
 
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
         every { inputStream.read(any(), any(), bytes.size) } throws IOException()
 
         assertEquals(TRANSPORT_ERROR, backup.sendBackupData(bytes.size))
@@ -175,7 +170,7 @@ internal class FullBackupTest : BackupTest() {
         assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, data, 0))
         assertTrue(backup.hasState)
 
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
         every { inputStream.read(any(), 0, bytes.size) } returns bytes.size
         coEvery { backupReceiver.addBytes("FullBackup $packageName", any()) } throws IOException()
 
@@ -196,7 +191,7 @@ internal class FullBackupTest : BackupTest() {
         assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, data, 0))
         assertTrue(backup.hasState)
 
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
         expectSendData(bytes.size)
 
         assertEquals(TRANSPORT_OK, backup.sendBackupData(bytes.size))
@@ -215,7 +210,7 @@ internal class FullBackupTest : BackupTest() {
 
     @Test
     fun `sendBackupData runs ok`() = runBlocking {
-        every { settingsManager.isQuotaUnlimited() } returns false
+        every { settingsManager.quota } returns quota
         every { inputFactory.getInputStream(data) } returns inputStream
 
         assertEquals(TRANSPORT_OK, backup.performFullBackup(packageInfo, data, 0))

app/src/test/java/com/stevesoltys/seedvault/transport/backup/KVBackupTest.kt

@@ -40,7 +40,6 @@ internal class KVBackupTest : BackupTest() {
     private val dbManager = mockk<KvDbManager>()
 
     private val backup = KVBackup(
-        settingsManager = settingsManager,
         backupReceiver = backupReceiver,
         inputFactory = inputFactory,
         dbManager = dbManager,