Office365Interface::getCurrentUser

public function getCurrentUser()
	{
		if (empty($this->access_token))
		{
			return false;
		}
		$userPrincipalName = $this->getGraphPrincipalName();
		$this->refreshToOutlookAccessToken();

		$httpClient = new BitrixMainWebHttpClient();
		$httpClient->setHeader("Authorization", "Bearer ". $this->access_token);

		$result = $httpClient->get(static::OUTLOOK_RESOURCE . static::OUTLOOK_API_VERSION . static::CONTACTS_URL);
		try
		{
			$result = BitrixMainWebJson::decode($result);
		}
		catch (ArgumentException $e)
		{
			AddMessage2Log($e->getMessage(), 'mail', 2, true);
			$result = [];
		}

		if(isset($result['EmailAddress']))
		{
			$email = $result['EmailAddress'];
			$emailIsIntended = false;
		}
		else
		{
			global $USER;
			$email = $USER->GetEmail();
			if(is_null($email))
			{
				$email = '';
			}
			$emailIsIntended = true;
		}

		return array_merge(
			[
				'email' => $email,
				'emailIsIntended' => $emailIsIntended,
				'userPrincipalName' => $userPrincipalName,
			],
			$this->getTokenData()
		);
	}