BlogPost::uploadAIImageAction

public function uploadAIImageAction(string $imageUrl): ?array
{
	$urlData = parse_url($imageUrl);
	if ($urlData['scheme'] !== 'https')
	{
		$this->addError(new Error('System error. Only https.'));

		return null;
	}

	if (!Loader::includeModule('disk'))
	{
		$this->addError(new Error('System error. Disk is not installed.'));

		return null;
	}

	$client = new BitrixMainWebHttpClient();
	$client->setPrivateIp(false);

	$tempPath = CFile::getTempName('', bx_basename($imageUrl));
	$isDownloaded = $client->download($imageUrl, $tempPath);
	if (!$isDownloaded)
	{
		$this->addError(new Error('System error. File cannot be downloaded.'));

		return null;
	}

	$currentUserId = $this->getCurrentUser()->getId();

	$fileType = $client->getHeaders()->getContentType() ?: CFile::getContentType($tempPath);
	$recordFile = CFile::makeFileArray($tempPath, $fileType);
	$recordFile['MODULE_ID'] = 'socialnetwork';

	$storage = Driver::getInstance()->getStorageByUserId($currentUserId);
	$folder = $storage->getFolderForUploadedFiles();

	if (!$folder->canAdd(new DiskSecurityContext($currentUserId)))
	{
		$this->addError(new Error('System error. Access denied.'));

		return null;
	}

	/** @var BitrixDiskFile */
	$file = $folder->uploadFile(
		$recordFile,
		[
			'CREATED_BY' => $currentUserId,
		],
		[],
		true
	);

	return ['fileId' => 'n' . $file->getId()];
}