Can't work customer Image attribute programmatically

[cygnetampatel]

Preconditions (*)

1. Magento CE version 2.2.7
2. Create custom attribute programmatically, which is to be added to the 'customer eav attribute e.g.:

$customerSetup->addAttribute(\Magento\Customer\Model\Customer::ENTITY, "customerprofile",  array(
                "type"      => "varchar",
                "backend"   => "",
                "label"     => "Customerprofile",
                "input"     => "file",
                "source"    => "",
                "visible"   => true,
                "required"  => false,
                "default"   => "",
                "frontend"  => "",
                "unique"    => false,
                "note"      => ""
            ));
$customerdoc     = $customerSetup->getAttribute(\Magento\Customer\Model\Customer::ENTITY, "customerdoc");

$customerdoc     = $customerSetup->getEavConfig()->getAttribute(\Magento\Customer\Model\Customer::ENTITY, 'customerdoc');
            $used_in_forms[] = "adminhtml_customer";
            $used_in_forms[] = "checkout_register";
            $used_in_forms[] = "customer_account_create";
            $used_in_forms[] = "customer_account_edit";
            $used_in_forms[] = "adminhtml_checkout";
            $customerdoc->setData("used_in_forms", $used_in_forms)
                ->setData("is_used_for_customer_segment", true)
                ->setData("is_system", 0)
                ->setData("is_user_defined", 1)
                ->setData("is_visible", 1)
                ->setData("sort_order", 100);
            $customerdoc->save();

Steps to reproduce (*)

1. Go to the registration form. you will show Customer profile attribute as a file. when user upload an image error message show "Customer profile is not a valid file".

Expected result (*)

1. file is valid so data want to save.

Actual result (*)

1. is not a valid file message on the frontend and backend.

Issue In this file (*)

1. An issue in the if a condition "Magento\Eav\Model\Attribute\Data\File"

   protected function _validateByRules($value)
   {
   if (!empty($value['tmp_name']) && !is_uploaded_file($value['tmp_name'])) {
   return [__('"%1" is not a valid file.', $label)];
   }
   return [];
   }
   Acctually Image first of upload in temp folder then after move into accordinglly.

according to the condition if a file exists in temp folder it's throw error.

Resolve the issue(*)

protected function _validateByRules($value)
{
if (empty($value['tmp_name']) && is_uploaded_file($value['tmp_name'])) {
return [__('"%1" is not a valid file.', $label)];
}
return [];
}

[magento-engcom-team]

Hi @cygnetampatel. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

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• Information on your environment
• Steps to reproduce
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@cygnetampatel do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[magento-engcom-team]

Hi @shikhamis11. Thank you for working on this issue.
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[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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[magento-engcom-team]

@engcom-backlog-nazar Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-97352 were created