Your IP : 3.16.48.173
<?
namespace Bitrix\Calendar\Sync;
use Bitrix\Main\ArgumentException;
use Bitrix\Main\SystemException;
use Bitrix\Main\Loader;
use Bitrix\Main\Text\BinaryString;
use Bitrix\Main\Web;
/**
* Class GoogleApiTransport
*
* @package Bitrix\Calendar\Sync
*/
final class GoogleApiTransport //implements IErrorable
{
const API_BASE_URL = "https://www.googleapis.com/calendar/v3/";
private $client;
private $errors;
private $currentMethod = '';
/**
* BEGIN PUSH SECTION
*
*
*/
/**
* @param $channelInfo
* @return array
* @throws ArgumentException
*/
public function openCalendarListChannel($channelInfo)
{
$requestBody = Web\Json::encode($channelInfo, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'users/me/calendarList/watch', $requestBody);
}
/**
* @param $calendarId
* @param $channelInfo
* @return array
* @throws ArgumentException
*/
public function openEventsWatchChannel($calendarId, $channelInfo)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($channelInfo, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'calendars/' . urlencode($calendarId) . '/events/watch', $requestBody);
}
/**
* @param $channelId
* @param $resourceId
* @return array
* @throws ArgumentException
*/
public function stopChannel($channelId, $resourceId)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode(array('id' => $channelId, 'resourceId' => $resourceId), JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'channels/stop', $requestBody);
}
/**
* END PUSH SECTION
*/
/**
* GoogleApiTransport constructor.
* @throws SystemException
* @param int $userId
*/
public function __construct($userId)
{
if (!Loader::includeModule('socialservices'))
{
throw new SystemException("Can't include module \"SocialServices\"! " . __METHOD__);
}
$this->client = new Web\HttpClient();
$oAuth = new \CSocServGoogleOAuth($userId);
$oAuth->getEntityOAuth()->addScope(array('https://www.googleapis.com/auth/calendar', 'https://www.googleapis.com/auth/calendar.readonly'));
$oAuth->getEntityOAuth()->setUser($userId);
if ($oAuth->getEntityOAuth()->GetAccessToken())
{
$this->client->setHeader('Authorization', 'Bearer ' . $oAuth->getEntityOAuth()->getToken());
$this->client->setHeader('Content-Type', 'application/json');
unset($oAuth);
}
else
{
$this->errors[] = array("code" => "NO_ACCESS_TOKEN", "message" => "No access token found");
}
}
/**
* Doing request to API server
*
* @param $type
* @param $url
* @param array $requestParams
* @throws ArgumentException
* @return array
*/
private function doRequest($type, $url, $requestParams = '')
{
$this->errors = $response = array();
if (!in_array($type, array(Web\HttpClient::HTTP_PATCH, Web\HttpClient::HTTP_PUT, Web\HttpClient::HTTP_DELETE, Web\HttpClient::HTTP_GET, Web\HttpClient::HTTP_POST)))
{
throw new ArgumentException('Bad request type');
}
$this->client->query($type, $url, ($requestParams ? $requestParams : null));
//Only "OK" response is acceptable.
if ($this->client->getStatus() == 200)
{
$contentType = $this->client->getHeaders()->getContentType();
if ($contentType === 'multipart/mixed')
{
$response = $this->multipartDecode($this->client->getResult());
}
else
{
$response = Web\Json::decode($this->client->getResult());
}
}
else
{
try
{
$error = Web\Json::decode($this->client->getResult());
$this->errors[] = array("code" => "CONNECTION", "message" => "[" . $error['error']['code'] . "] " . $error['error']['message']);
}
catch (\Bitrix\Main\ArgumentException $exception)
{
foreach($this->client->getError() as $code => $error)
{
$this->errors[] = array("code" => $code, "message" => $error);
}
}
}
return $response;
}
/**
* Deletes event from google calendar
*
* @param $eventId
* @param $calendarId
* @return array|mixed
*/
public function deleteEvent($eventId, $calendarId)
{
$this->currentMethod = __METHOD__;
return $this->doRequest(Web\HttpClient::HTTP_DELETE, self::API_BASE_URL . 'calendars/' . $calendarId . '/events/' . str_replace('@google.com', '', $eventId));
}
/**
* Updates only specified event fields
*
* @param $patchData
* @param $calendarId
* @param $eventId
* @return array|mixed
*/
public function patchEvent($patchData, $calendarId, $eventId)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($patchData, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_PATCH, self::API_BASE_URL . 'calendars/' . $calendarId . '/events/' . $eventId, $requestBody);
}
/**
* Updates instance for recurring event
*
* @param $eventData
* @param $calendarId
* @param $instanceId
* @return array|mixed
*/
public function updateEvent($eventData, $calendarId, $eventId)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($eventData, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_PUT, self::API_BASE_URL . 'calendars/' . $calendarId . '/events/' . $eventId, $requestBody);
}
/**
* Creates event at google calendar
*
* @param $eventData
* @param $calendarId
* @return array|mixed
*/
public function insertEvent($eventData, $calendarId)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($eventData, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'calendars/' . $calendarId . '/events/', $requestBody);
}
/**
* Creates event at google calendar
*
* @param $eventData
* @param $calendarId
* @return array|mixed
*/
public function importEvent($eventData, $calendarId)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($eventData, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'calendars/' . $calendarId . '/events/import', $requestBody);
}
/**
* @param string $syncToken
* @return array|mixed
*/
public function getCalendarList($syncToken = '')
{
$this->currentMethod = __METHOD__;
$params = $syncToken ? '?' . http_build_query(array('syncToken' => $syncToken)) : '';
return $this->doRequest(Web\HttpClient::HTTP_GET, self::API_BASE_URL . 'users/me/calendarList' . $params);
}
/**
* get google calendar color codes
*
* @return array|mixed
*/
public function getColors()
{
$this->currentMethod = __METHOD__;
return $this->doRequest(Web\HttpClient::HTTP_GET, self::API_BASE_URL . 'colors');
}
/**
* Get Event List from calendar
*
* @param $calendarId
* @param string $syncToken
* @return array|mixed
*/
public function getEvents($calendarId, $requestParams = array())
{
$this->currentMethod = __METHOD__;
$requestParams = array_filter($requestParams);
$url = self::API_BASE_URL . 'calendars/' . urlencode($calendarId) . '/events';
$url .= empty($requestParams) ? '' : '?' . preg_replace('/(%3D)/', '=', http_build_query($requestParams));
return $this->doRequest(Web\HttpClient::HTTP_GET, $url);
}
/**
* Getting array of errors.
*
* @return array
*/
public function getErrors()
{
return $this->errors;
}
/**
* Getting array of errors with the specified code.
*
* @param string $code Code of error.
* @return array
*/
public function getErrorsByCode($code)
{
return array_filter($this->errors, function($error) use ($code)
{
return $error['code'] == $code;
});
}
/**
* Getting once error with the specified code.
*
* @param string $code Code of error.
* @return array
*/
public function getErrorByCode($code)
{
if (!is_array($this->errors))
{
return array();
}
$errorsByCode = array_filter($this->errors, function($error) use ($code)
{
return $error['code'] == $code;
});
if (!empty($errorsByCode))
{
return end($errorsByCode);
}
else
{
return array();
}
}
/**
* getting id of the recurrent event instance
*
* @param $calendarId
* @param $eventId
* @param $originalStart
* @return array|mixed
*/
public function getInstanceRecurringEvent($calendarId, $eventId, $originalStart)
{
$this->currentMethod = __METHOD__;
$requestParameters = ['originalStart' => $originalStart];
$requestParameters = array_filter($requestParameters);
$url = self::API_BASE_URL . 'calendars/' . urlencode($calendarId) . '/events/'.str_replace('@google.com', '', $eventId).'/instances/';
$url .= empty($requestParameters) ? '' : '?' . preg_replace('/(%3D)/', '=', http_build_query($requestParameters));
return $this->doRequest(Web\HttpClient::HTTP_GET, $url);
}
/**
* Creates local calendar at google calendar
*
* @param $eventData
* @return array|mixed
*/
public function insertCalendar($calendarData)
{
$this->currentMethod = __METHOD__;
$requestBody = Web\Json::encode($calendarData, JSON_UNESCAPED_SLASHES);
return $this->doRequest(Web\HttpClient::HTTP_POST, self::API_BASE_URL . 'calendars/', $requestBody);
}
public function sendBatchEvents($body, $calendarId, $params)
{
$url = "https://www.googleapis.com/batch/calendar/v3/";
$requestBody = $this->prepareMultipartMixed($body, $calendarId, $params);
return $this->doRequest(Web\HttpClient::HTTP_POST, $url, $requestBody);
}
/**
* Performs multipart/mixed encoding.
*
* @param array $postData Entity of POST request
* @return string
*/
protected function prepareMultipartMixed($postData, $calendarId, $params)
{
if (is_array($postData))
{
$boundary = 'BXC'.md5(rand().time());
$this->client->setHeader('Content-type', 'multipart/mixed; boundary='.$boundary);
$data = '';
foreach ($postData as $key => $value)
{
$data .= '--'.$boundary."\r\n";
if (is_array($value))
{
$contentId = '<item'.$key.':'.$key.'>';
if (is_array($value))
{
$data .= 'Content-Type: application/http'."\r\n";
$data .= 'Content-ID: '.$contentId."\r\n\r\n";
if (!empty($value['gEventId']))
{
$data .= $params['method'].' /calendar/v3/calendars/'.$calendarId.'/events/'.$value['gEventId']."\r\n";
}
else
{
$data .= 'POST /calendar/v3/calendars/'.$calendarId.'/events'."\r\n";
}
$data .= 'Content-type: application/json'."\r\n";
$data .= 'Content-Length: '.BinaryString::getLength($value['partBody'])."\r\n\r\n";
$data .= $value['partBody'];
$data .= "\r\n\r\n";
}
}
}
$data .= '--'.$boundary."--\r\n";
$postData = $data;
}
return $postData;
}
public function multipartDecode($response)
{
$events = [];
$boundaryParts = explode('=', $this->client->getHeaders()->getBoundary());
$boundary = $boundaryParts[1];
$response = str_replace("--$boundary--", "--$boundary", $response);
$parts = explode("--$boundary\r\n", $response);
foreach ($parts as $key => $part)
{
$part = trim($part);
if (!empty($part))
{
$partEvent = explode("\r\n\r\n", $part);
$data = static::getMetaInfo($partEvent[1]);
if ($data['status'] === 200)
{
$id = static::getId($partEvent[0]);
$event = Web\Json::decode($partEvent[2]);
$event['etag'] = $data['etag'];
$events[$id] = $event;
}
else
{
AddMessage2Log('Event sync error. ID: '.static::getId($partEvent[0]));
}
}
}
return $events;
}
private function getMetaInfo($headers)
{
foreach (explode("\n", $headers) as $k => $header)
{
if($k == 0)
{
if(preg_match('#HTTP\S+ (\d+)#', $header, $find))
{
$data['status'] = intval($find[1]);
}
}
elseif(strpos($header, ':') !== false)
{
list($headerName, $headerValue) = explode(':', $header, 2);
if(strtolower($headerName) == 'etag')
{
$data['etag'] = trim($headerValue);
}
}
}
return $data;
}
private function getId ($headers)
{
foreach (explode("\n", $headers) as $k => $header)
{
if(strpos($header, ':') !== false)
{
list($headerName, $headerValue) = explode(':', $header, 2);
if(strtolower($headerName) == 'content-id')
{
$part = explode(':', $headerValue);
$id = rtrim($part[1], ">");
}
}
}
return $id;
}
}