CLiveIDOAuthInterface::GetAccessToken

public function GetAccessToken($redirect_uri)
{
	$tokens = $this->getStorageTokens();

	if(is_array($tokens))
	{
		$this->access_token = $tokens["OATOKEN"];
		$this->accessTokenExpires = $tokens["OATOKEN_EXPIRES"];

		if(!$this->code)
		{
			if($this->checkAccessToken())
			{
				return true;
			}
			elseif(isset($tokens["REFRESH_TOKEN"]))
			{
				if($this->getNewAccessToken($tokens["REFRESH_TOKEN"]))
				{
					return true;
				}
			}
		}

		$this->deleteStorageTokens();
	}

	if($this->code === false)
	{
		return false;
	}

	$result = CHTTP::sPostHeader(self::TOKEN_URL, array(
		"code"=>$this->code,
		"client_id"=>$this->appID,
		"client_secret"=>$this->appSecret,
		"redirect_uri"=>$redirect_uri,
		"grant_type"=>"authorization_code",
	), array(), $this->httpTimeout);

	$arResult = CUtil::JsObjectToPhp($result);

	if(isset($arResult["access_token"]) && $arResult["access_token"] <> '')
	{
		$this->access_token = $arResult["access_token"];
		$this->accessTokenExpires = $arResult["expires_in"];
		if(isset($arResult["refresh_token"]) && $arResult["refresh_token"] <> '')
		{
			$this->refresh_token = $arResult["refresh_token"];
		}
		$_SESSION["OAUTH_DATA"] = array("OATOKEN" => $this->access_token);
		return true;
	}
	return false;
}