1 files changed, 55 insertions, 0 deletions
diff --git a/StoneIsland/plugins/phonegap-plugin-push/src/android/com/adobe/phonegap/push/PermissionUtils.java b/StoneIsland/plugins/phonegap-plugin-push/src/android/com/adobe/phonegap/push/PermissionUtils.java
new file mode 100644
index 00000000..6aa5c9bf
--- /dev/null
+++ b/StoneIsland/plugins/phonegap-plugin-push/src/android/com/adobe/phonegap/push/PermissionUtils.java
@@ -0,0 +1,55 @@
+package com.adobe.phonegap.push;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class PermissionUtils {
+
+    private static final String CHECK_OP_NO_THROW = "checkOpNoThrow";
+
+    public static boolean hasPermission(Context appContext, String appOpsServiceId) throws UnknownError {
+
+        ApplicationInfo appInfo = appContext.getApplicationInfo();
+
+        String pkg = appContext.getPackageName();
+        int uid = appInfo.uid;
+        Class appOpsClass = null;
+        Object appOps = appContext.getSystemService("appops");
+
+        try {
+
+            appOpsClass = Class.forName("android.app.AppOpsManager");
+
+            Method checkOpNoThrowMethod = appOpsClass.getMethod(
+                CHECK_OP_NO_THROW,
+                Integer.TYPE,
+                Integer.TYPE,
+                String.class
+            );
+
+            Field opValue = appOpsClass.getDeclaredField(appOpsServiceId);
+
+            int value = (int) opValue.getInt(Integer.class);
+            Object result = checkOpNoThrowMethod.invoke(appOps, value, uid, pkg);
+
+            return Integer.parseInt(result.toString()) == 0; // AppOpsManager.MODE_ALLOWED
+
+        } catch (ClassNotFoundException e) {
+            throw new UnknownError("class not found");
+        } catch (NoSuchMethodException e) {
+            throw new UnknownError("no such method");
+        } catch (NoSuchFieldException e) {
+            throw new UnknownError("no such field");
+        } catch (InvocationTargetException e) {
+            throw new UnknownError("invocation target");
+        } catch (IllegalAccessException e) {
+            throw new UnknownError("illegal access");
+        }
+
+    }
+
+}