Licensing UI

play-services-base/core/src/main/AndroidManifest.xml

@@ -5,10 +5,17 @@
   -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <permission android:name="${applicationId}.permission.READ_SETTINGS"
+        android:protectionLevel="signature" />
+    <permission android:name="${applicationId}.permission.WRITE_SETTINGS"
+        android:protectionLevel="signature" />
+
     <application>
         <provider
             android:name="org.microg.gms.settings.SettingsProvider"
             android:authorities="${applicationId}.microg.settings"
-            android:exported="false" />
+            android:exported="true"
+            android:readPermission="${applicationId}.permission.READ_SETTINGS"
+            android:writePermission="${applicationId}.permission.WRITE_SETTINGS" />
     </application>
 </manifest>

play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt

@@ -171,6 +171,18 @@ object SettingsContract {
         )
     }
 
+    object Vending {
+        private const val id = "vending"
+        fun getContentUri(context: Context) = Uri.withAppendedPath(getAuthorityUri(context), id)
+        fun getContentType(context: Context) = "vnd.android.cursor.item/vnd.${getAuthority(context)}.$id"
+
+        const val LICENSING = "vending_licensing"
+
+        val PROJECTION = arrayOf(
+            LICENSING
+        )
+    }
+
     private fun <T> withoutCallingIdentity(f: () -> T): T {
         val identity = Binder.clearCallingIdentity()
         try {

play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt

@@ -22,6 +22,7 @@ import org.microg.gms.settings.SettingsContract.DroidGuard
 import org.microg.gms.settings.SettingsContract.Exposure
 import org.microg.gms.settings.SettingsContract.Gcm
 import org.microg.gms.settings.SettingsContract.Location
+import org.microg.gms.settings.SettingsContract.Vending
 import org.microg.gms.settings.SettingsContract.Profile
 import org.microg.gms.settings.SettingsContract.SafetyNet
 import org.microg.gms.settings.SettingsContract.getAuthority
@@ -78,6 +79,7 @@ class SettingsProvider : ContentProvider() {
         DroidGuard.getContentUri(context!!) -> queryDroidGuard(projection ?: DroidGuard.PROJECTION)
         Profile.getContentUri(context!!) -> queryProfile(projection ?: Profile.PROJECTION)
         Location.getContentUri(context!!) -> queryLocation(projection ?: Location.PROJECTION)
+        Vending.getContentUri(context!!) -> queryVending(projection ?: Vending.PROJECTION)
         else -> null
     }
 
@@ -98,6 +100,7 @@ class SettingsProvider : ContentProvider() {
             DroidGuard.getContentUri(context!!) -> updateDroidGuard(values)
             Profile.getContentUri(context!!) -> updateProfile(values)
             Location.getContentUri(context!!) -> updateLocation(values)
+            Vending.getContentUri(context!!) -> updateVending(values)
             else -> return 0
         }
         return 1
@@ -335,6 +338,25 @@ class SettingsProvider : ContentProvider() {
         editor.apply()
     }
 
+    private fun queryVending(p: Array<out String>): Cursor = MatrixCursor(p).addRow(p) { key ->
+        when (key) {
+            Vending.LICENSING -> getSettingsBoolean(key, false)
+            else -> throw IllegalArgumentException("Unknown key: $key")
+        }
+    }
+
+    private fun updateVending(values: ContentValues) {
+        if (values.size() == 0) return
+        val editor = preferences.edit()
+        values.valueSet().forEach { (key, value) ->
+            when (key) {
+                Vending.LICENSING -> editor.putBoolean(key, value as Boolean)
+                else -> throw IllegalArgumentException("Unknown key: $key")
+            }
+        }
+        editor.apply()
+    }
+
     private fun MatrixCursor.addRow(
         p: Array<out String>,
         valueGetter: (String) -> Any?

play-services-core/src/main/kotlin/org/microg/gms/ui/SettingsFragment.kt

@@ -15,6 +15,7 @@ import com.google.android.gms.R
 import org.microg.gms.checkin.CheckinPreferences
 import org.microg.gms.gcm.GcmDatabase
 import org.microg.gms.gcm.GcmPrefs
+import org.microg.gms.vending.VendingPreferences
 import org.microg.gms.safetynet.SafetyNetPreferences
 import org.microg.gms.ui.settings.SettingsProvider
 import org.microg.gms.ui.settings.getAllSettingsProviders
@@ -42,11 +43,18 @@ class SettingsFragment : ResourceSettingsFragment() {
             findNavController().navigate(requireContext(), R.id.openLocationSettings)
             true
         }
-        findPreference<Preference>(PREF_ABOUT)!!.onPreferenceClickListener = Preference.OnPreferenceClickListener {
-            findNavController().navigate(requireContext(), R.id.openAbout)
+        findPreference<Preference>(PREF_VENDING)!!.onPreferenceClickListener = Preference.OnPreferenceClickListener {
+            findNavController().navigate(requireContext(), R.id.openVendingSettings)
             true
         }
-        findPreference<Preference>(PREF_ABOUT)!!.summary = getString(org.microg.tools.ui.R.string.about_version_str, AboutFragment.getSelfVersion(context))
+
+        findPreference<Preference>(PREF_ABOUT)!!.apply {
+            onPreferenceClickListener = Preference.OnPreferenceClickListener {
+                findNavController().navigate(requireContext(), R.id.openAbout)
+                true
+            }
+            summary = getString(org.microg.tools.ui.R.string.about_version_str, AboutFragment.getSelfVersion(context))
+        }
 
         for (entry in getAllSettingsProviders(requireContext()).flatMap { it.getEntriesStatic(requireContext()) }) {
             entry.createPreference()
@@ -101,6 +109,7 @@ class SettingsFragment : ResourceSettingsFragment() {
 
         findPreference<Preference>(PREF_CHECKIN)!!.setSummary(if (CheckinPreferences.isEnabled(requireContext())) org.microg.gms.base.core.R.string.service_status_enabled_short else org.microg.gms.base.core.R.string.service_status_disabled_short)
         findPreference<Preference>(PREF_SNET)!!.setSummary(if (SafetyNetPreferences.isEnabled(requireContext())) org.microg.gms.base.core.R.string.service_status_enabled_short else org.microg.gms.base.core.R.string.service_status_disabled_short)
+        findPreference<Preference>(PREF_VENDING)!!.setSummary(if (VendingPreferences.isLicensingEnabled(requireContext())) R.string.pref_vending_summary_licensing_on else R.string.pref_vending_summary_licensing_off)
 
         lifecycleScope.launchWhenResumed {
             val entries = getAllSettingsProviders(requireContext()).flatMap { it.getEntriesDynamic(requireContext()) }
@@ -121,6 +130,7 @@ class SettingsFragment : ResourceSettingsFragment() {
         const val PREF_SNET = "pref_snet"
         const val PREF_LOCATION = "pref_location"
         const val PREF_CHECKIN = "pref_checkin"
+        const val PREF_VENDING = "pref_vending"
     }
 
     init {

play-services-core/src/main/kotlin/org/microg/gms/ui/VendingFragment.kt

@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: 2023, e Foundation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.microg.gms.ui
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import androidx.lifecycle.lifecycleScope
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.TwoStatePreference
+import com.google.android.gms.R
+import org.microg.gms.vending.VendingPreferences
+
+class VendingFragment : PreferenceFragmentCompat() {
+    private lateinit var licensingEnabled: TwoStatePreference
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        addPreferencesFromResource(R.xml.preferences_vending)
+    }
+
+    @SuppressLint("RestrictedApi")
+    override fun onBindPreferences() {
+        licensingEnabled = preferenceScreen.findPreference(PREF_LICENSING_ENABLED) ?: licensingEnabled
+        licensingEnabled.onPreferenceChangeListener = Preference.OnPreferenceChangeListener { _, newValue ->
+            val appContext = requireContext().applicationContext
+            lifecycleScope.launchWhenResumed {
+                if (newValue is Boolean) {
+                    VendingPreferences.setLicensingEnabled(appContext, newValue)
+                }
+                updateContent()
+            }
+            true
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateContent()
+    }
+
+    private fun updateContent() {
+        val appContext = requireContext().applicationContext
+        lifecycleScope.launchWhenResumed {
+            licensingEnabled.isChecked = VendingPreferences.isLicensingEnabled(appContext)
+        }
+    }
+
+    companion object {
+        const val PREF_LICENSING_ENABLED = "vending_licensing"
+    }
+}

play-services-core/src/main/kotlin/org/microg/gms/vending/VendingPreferences.kt

@@ -0,0 +1,26 @@
+/*
+ * SPDX-FileCopyrightText: 2023, e Foundation
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.microg.gms.vending
+
+import android.content.Context
+import org.microg.gms.settings.SettingsContract
+
+object VendingPreferences {
+    @JvmStatic
+    fun isLicensingEnabled(context: Context): Boolean {
+        val projection = arrayOf(SettingsContract.Vending.LICENSING)
+        return SettingsContract.getSettings(context, SettingsContract.Vending.getContentUri(context), projection) { c ->
+            c.getInt(0) != 0
+        }
+    }
+
+    @JvmStatic
+    fun setLicensingEnabled(context: Context, enabled: Boolean) {
+        SettingsContract.setSettings(context, SettingsContract.Vending.getContentUri(context)) {
+            put(SettingsContract.Vending.LICENSING, enabled)
+        }
+    }
+}

play-services-core/src/main/res/drawable/ic_shop.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2020, Google Inc.
+  ~ SPDX-FileCopyrightText: 2023, e Foundation
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorAccent">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M16,6L16,4c0,-1.11 -0.89,-2 -2,-2h-4c-1.11,0 -2,0.89 -2,2v2L2,6v13c0,1.11 0.89,2 2,2h16c1.11,0 2,-0.89 2,-2L22,6h-6zM10,4h4v2h-4L10,4zM9,18L9,9l7.5,4L9,18z"/>
+</vector>

play-services-core/src/main/res/navigation/nav_settings.xml

@@ -23,6 +23,9 @@
         <action
             android:id="@+id/openSafetyNetSettings"
             app:destination="@id/safetyNetFragment" />
+        <action
+            android:id="@+id/openVendingSettings"
+            app:destination="@id/vendingFragment" />
         <action
             android:id="@+id/openMoreGoogleSettings"
             app:destination="@id/googleMoreFragment" />
@@ -134,6 +137,13 @@
             app:argType="string" />
     </fragment>
 
+    <!-- Play Store services -->
+
+    <fragment
+        android:id="@+id/vendingFragment"
+        android:name="org.microg.gms.ui.VendingFragment"
+        android:label="@string/service_name_vending" />
+
     <!-- More -->
 
     <fragment

play-services-core/src/main/res/values/strings.xml

@@ -58,6 +58,7 @@ This can take a couple of minutes."</string>
     <string name="service_name_checkin">Google device registration</string>
     <string name="service_name_mcs">Cloud Messaging</string>
     <string name="service_name_snet">Google SafetyNet</string>
+    <string name="service_name_vending">Play Store services</string>
 
     <string name="games_title">Google Play Games</string>
     <string name="games_info_title"><xliff:g example="F-Droid">%1$s</xliff:g> would like to use Play Games</string>
@@ -231,4 +232,9 @@ This can take a couple of minutes."</string>
     <string name="push_notifications_summary_manual">ON / Manual: %s</string>
     <string name="push_notifications_summary_values_seconds">%s seconds</string>
     <string name="push_notifications_summary_values_minutes">%s minutes</string>
+
+    <string name="pref_vending_summary_licensing_off">Licensing off</string>
+    <string name="pref_vending_summary_licensing_on">Licensing on</string>
+    <string name="pref_vending_licensing_enable_switch">Answer license verification requests</string>
+    <string name="pref_vending_license_enable_summary">Some apps require verification that you have purchased them on Google Play. When requested by an app, microG can download a proof of purchase from Google. If disabled, or if no Google account is added, requests for license verification are ignored.</string>
 </resources>

play-services-core/src/main/res/xml/preferences_start.xml

@@ -47,6 +47,10 @@
             android:icon="@drawable/ic_certificate"
             android:key="pref_snet"
             android:title="@string/service_name_snet" />
+        <Preference
+            android:icon="@drawable/ic_shop"
+            android:key="pref_vending"
+            android:title="@string/service_name_vending" />
         <Preference
             android:icon="@drawable/dots_horizontal"
             android:key="pref_google_more"

play-services-core/src/main/res/xml/preferences_vending.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2023, e Foundation
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <SwitchPreference
+        android:title="@string/pref_vending_licensing_enable_switch"
+        android:key="vending_licensing"
+        android:persistent="false" />
+
+    <PreferenceCategory android:layout="@layout/preference_category_no_label">
+        <org.microg.gms.ui.TextPreference
+            android:icon="@drawable/ic_info_outline"
+            android:selectable="false"
+            android:summary="@string/pref_vending_license_enable_summary" />
+    </PreferenceCategory>
+</PreferenceScreen>