READ_SMS allows getLine1Number() [3/3]

     * Besides READ_PHONE_STATE, WRITE_SMS also allows apps to get phone numbers.

     */

    private boolean checkReadPhoneNumber(String callingPackage, String message) {

        // Note checkReadPhoneState() may throw, so we need to do the appops check first.

        return (mAppOps.noteOp(AppOpsManager.OP_WRITE_SMS,

                        Binder.getCallingUid(), callingPackage) == AppOpsManager.MODE_ALLOWED)

                || checkReadPhoneState(callingPackage, message);

        // Default SMS app can always read it.

        if (mAppOps.noteOp(AppOpsManager.OP_WRITE_SMS,

                Binder.getCallingUid(), callingPackage) == AppOpsManager.MODE_ALLOWED) {

            return true;

        }

        try {

            return checkReadPhoneState(callingPackage, message);

        } catch (SecurityException e) {

            // Can be read with READ_SMS too.

            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.READ_SMS, message);

            return mAppOps.noteOp(AppOpsManager.OP_READ_SMS,

                    Binder.getCallingUid(), callingPackage) == AppOpsManager.MODE_ALLOWED;

        }

    }

}