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@@ -0,0 +1,157 @@
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+package org.godotengine.godot.utils;
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+
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+import android.Manifest;
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+import android.content.pm.PackageInfo;
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+import android.content.pm.PackageManager;
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+import android.content.pm.PermissionInfo;
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+import android.os.Build;
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+import android.support.v4.content.ContextCompat;
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+import java.util.ArrayList;
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+import java.util.List;
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+import org.godotengine.godot.Godot;
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+
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+/**
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+ * This class includes utility functions for Android permissions related operations.
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+ * @author Cagdas Caglak <[email protected]>
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+ */
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+public final class PermissionsUtil {
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+
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+ static final int REQUEST_RECORD_AUDIO_PERMISSION = 1;
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+ static final int REQUEST_CAMERA_PERMISSION = 2;
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+ static final int REQUEST_VIBRATE_PERMISSION = 3;
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+ static final int REQUEST_ALL_PERMISSION_REQ_CODE = 1001;
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+
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+ private PermissionsUtil() {
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+ }
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+
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+ /**
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+ * Request a dangerous permission. name must be specified in <a href="https://github.com/aosp-mirror/platform_frameworks_base/blob/master/core/res/AndroidManifest.xml">this</a>
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+ * @param name the name of the requested permission.
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+ * @param activity the caller activity for this method.
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+ * @return true/false. "true" if permission was granted otherwise returns "false".
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+ */
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+ public static boolean requestPermission(String name, Godot activity) {
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+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
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+ // Not necessary, asked on install already
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+ return true;
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+ }
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+
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+ if (name.equals("RECORD_AUDIO") && ContextCompat.checkSelfPermission(activity, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
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+ activity.requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO }, REQUEST_RECORD_AUDIO_PERMISSION);
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+ return false;
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+ }
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+
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+ if (name.equals("CAMERA") && ContextCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
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+ activity.requestPermissions(new String[] { Manifest.permission.CAMERA }, REQUEST_CAMERA_PERMISSION);
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+ return false;
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+ }
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+
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+ if (name.equals("VIBRATE") && ContextCompat.checkSelfPermission(activity, Manifest.permission.VIBRATE) != PackageManager.PERMISSION_GRANTED) {
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+ activity.requestPermissions(new String[] { Manifest.permission.VIBRATE }, REQUEST_VIBRATE_PERMISSION);
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+ return false;
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+ }
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+ return true;
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+ }
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+
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+ /**
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+ * Request dangerous permissions which are defined in the Android manifest file from the user.
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+ * @param activity the caller activity for this method.
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+ * @return true/false. "true" if all permissions were granted otherwise returns "false".
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+ */
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+ public static boolean requestManifestPermissions(Godot activity) {
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+ if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
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+ return true;
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+ }
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+
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+ String[] manifestPermissions;
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+ try {
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+ manifestPermissions = getManifestPermissions(activity);
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+ } catch (PackageManager.NameNotFoundException e) {
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+ e.printStackTrace();
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+ return false;
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+ }
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+
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+ if (manifestPermissions == null || manifestPermissions.length == 0)
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+ return true;
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+
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+ List<String> dangerousPermissions = new ArrayList<>();
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+ for (String manifestPermission : manifestPermissions) {
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+ try {
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+ PermissionInfo permissionInfo = getPermissionInfo(activity, manifestPermission);
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+ int protectionLevel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P ? permissionInfo.getProtection() : permissionInfo.protectionLevel;
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+ if (protectionLevel == PermissionInfo.PROTECTION_DANGEROUS && ContextCompat.checkSelfPermission(activity, manifestPermission) != PackageManager.PERMISSION_GRANTED) {
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+ dangerousPermissions.add(manifestPermission);
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+ }
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+ } catch (PackageManager.NameNotFoundException e) {
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+ e.printStackTrace();
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+ return false;
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+ }
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+ }
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+
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+ if (dangerousPermissions.isEmpty()) {
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+ // If list is empty, all of dangerous permissions were granted.
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+ return true;
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+ }
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+
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+ String[] requestedPermissions = dangerousPermissions.toArray(new String[0]);
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+ activity.requestPermissions(requestedPermissions, REQUEST_ALL_PERMISSION_REQ_CODE);
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+ return false;
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+ }
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+
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+ /**
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+ * With this function you can get the list of dangerous permissions that have been granted to the Android application.
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+ * @param activity the caller activity for this method.
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+ * @return granted permissions list
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+ */
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+ public static String[] getGrantedPermissions(Godot activity) {
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+ String[] manifestPermissions;
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+ try {
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+ manifestPermissions = getManifestPermissions(activity);
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+ } catch (PackageManager.NameNotFoundException e) {
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+ e.printStackTrace();
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+ return new String[0];
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+ }
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+ if (manifestPermissions == null || manifestPermissions.length == 0)
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+ return new String[0];
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+
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+ List<String> dangerousPermissions = new ArrayList<>();
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+ for (String manifestPermission : manifestPermissions) {
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+ try {
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+ PermissionInfo permissionInfo = getPermissionInfo(activity, manifestPermission);
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+ int protectionLevel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P ? permissionInfo.getProtection() : permissionInfo.protectionLevel;
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+ if (protectionLevel == PermissionInfo.PROTECTION_DANGEROUS && ContextCompat.checkSelfPermission(activity, manifestPermission) == PackageManager.PERMISSION_GRANTED) {
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+ dangerousPermissions.add(manifestPermission);
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+ }
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+ } catch (PackageManager.NameNotFoundException e) {
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+ e.printStackTrace();
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+ return new String[0];
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+ }
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+ }
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+
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+ return dangerousPermissions.toArray(new String[0]);
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+ }
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+
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+ /**
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+ * Returns the permissions defined in the AndroidManifest.xml file.
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+ * @param activity the caller activity for this method.
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+ * @return manifest permissions list
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+ * @throws PackageManager.NameNotFoundException the exception is thrown when a given package, application, or component name cannot be found.
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+ */
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+ private static String[] getManifestPermissions(Godot activity) throws PackageManager.NameNotFoundException {
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+ PackageManager packageManager = activity.getPackageManager();
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+ PackageInfo packageInfo = packageManager.getPackageInfo(activity.getPackageName(), PackageManager.GET_PERMISSIONS);
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+ return packageInfo.requestedPermissions;
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+ }
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+
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+ /**
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+ * Returns the information of the desired permission.
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+ * @param activity the caller activity for this method.
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+ * @param permission the name of the permission.
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+ * @return permission info object
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+ * @throws PackageManager.NameNotFoundException the exception is thrown when a given package, application, or component name cannot be found.
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+ */
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+ private static PermissionInfo getPermissionInfo(Godot activity, String permission) throws PackageManager.NameNotFoundException {
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+ PackageManager packageManager = activity.getPackageManager();
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+ return packageManager.getPermissionInfo(permission, 0);
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+ }
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+}
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Rémi Verschelde