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<?php
/**
* Copyright (c) 2012-2013 Jurian Sluiman.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the names of the copyright holders nor the names of the
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @author Jurian Sluiman <jurian@juriansluiman.nl>
* @copyright 2012-2013 Jurian Sluiman.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @link http://juriansluiman.nl
*/
namespace SlmMail\Service;
use Zend\Http\Client as HttpClient;
use Zend\Http\Request as HttpRequest;
use Zend\Http\Response as HttpResponse;
use Zend\Mail\Address;
use Zend\Mail\Message;
class SendGridService extends AbstractMailService
{
/**
* API endpoint
*/
const API_ENDPOINT = 'https://sendgrid.com/api';
/**
* SendGrid username
*
* @var string
*/
protected $username;
/**
* SendGrid API key
*
* @var string
*/
protected $apiKey;
/**
* @param string $username
* @param string $apiKey
*/
public function __construct($username, $apiKey)
{
$this->username = (string) $username;
$this->apiKey = (string) $apiKey;
}
/**
* ------------------------------------------------------------------------------------------
* MESSAGES
* ------------------------------------------------------------------------------------------
*/
/**
* {@inheritDoc}
* @link http://sendgrid.com/docs/API_Reference/Web_API/mail.html
* @return mixed
*/
public function send(Message $message)
{
$from = $message->getFrom();
if (count($from) !== 1) {
throw new Exception\RuntimeException(
'SendGrid API requires exactly one from sender'
);
}
if (count($message->getCc())) {
throw new Exception\RuntimeException('SendGrid does not support CC addresses');
}
$parameters = array(
'from' => $from->rewind()->getEmail(),
'fromname' => $from->rewind()->getName(),
'subject' => $message->getSubject(),
'text' => $this->extractText($message),
'html' => $this->extractHtml($message)
);
foreach ($message->getTo() as $address) {
$parameters['to'][] = $address->getEmail();
}
foreach ($message->getBcc() as $address) {
$parameters['bcc'][] = $address->getEmail();
}
$replyTo = $message->getReplyTo();
if (count($replyTo) > 1) {
throw new Exception\RuntimeException('SendGrid has only support for one Reply-To address');
} elseif (count($replyTo)) {
$parameters['replyto'] = $replyTo->rewind()->getEmail();
}
$client = $this->prepareHttpClient('/mail.send.json');
// Set Parameters as POST, since prepareHttpClient() put only GET parameters
$client->setParameterPost($parameters);
// Eventually add files. This cannot be done before prepareHttpClient call because prepareHttpClient
// reset all parameters (response, request...), therefore we would loose the file upload
$post = $client->getRequest()->getPost();
$attachments = $this->extractAttachments($message);
foreach ($attachments as $attachment) {
$post->set('files[' . $attachment->filename . ']', $attachment->getRawContent());
}
$response = $client->setMethod(HttpRequest::METHOD_POST)
->setEncType(HttpClient::ENC_FORMDATA)
->send();
return $this->parseResponse($response);
}
/**
* Get a list of bounces with addresses and response codes, optionally with dates
*
* @param int $date must be 1 if you want to retrieve dates
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @param bool $aggregate true if you are interested in all-time totals
* @return array
*/
public function getStatistics($date = 1, $startDate = '', $endDate = '', $aggregate = false)
{
$parameters = array('date' => $date, 'start_date' => $startDate, 'end_date' => $endDate, 'aggregate' => (int)$aggregate);
$response = $this->prepareHttpClient('/stats.get.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* ------------------------------------------------------------------------------------------
* BOUNCES
* ------------------------------------------------------------------------------------------
*/
/**
* Get a list of bounces with addresses and response codes, optionally with dates
*
* @param int $date must be 1 if you want to retrieve dates
* @param int $days if specified, must be superior to 0
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @param string $email optional email to search for
* @param int $limit optional field to limit the number of returned results
* @param int $offset optional beginning point to retrieve results
* @return array
*/
public function getBounces($date = 1, $days = 1, $startDate = '', $endDate = '', $email = '', $limit = 100, $offset = 0)
{
$parameters = array('date' => $date, 'days' => $days, 'start_date' => $startDate, 'end_date' => $endDate,
'email' => $email, 'limit' => $limit, 'offset' => $offset);
$response = $this->prepareHttpClient('/bounces.get.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* Delete an address from the Bounce list. Note that if no parameters are specified the ENTIRE list will be deleted.
*
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @param string $email optional email to search for
* @return array
*/
public function deleteBounces($startDate = '', $endDate = '', $email = '')
{
$parameters = array('start_date' => $startDate, 'end_date' => $endDate, 'email' => $email);
$response = $this->prepareHttpClient('/bounces.delete.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @return array
*/
public function countBounces($startDate = '', $endDate = '')
{
$parameters = array('start_date' => $startDate, 'end_date' => $endDate);
$response = $this->prepareHttpClient('/bounces.count.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* ------------------------------------------------------------------------------------------
* SPAMS
* ------------------------------------------------------------------------------------------
*/
/**
* Retrieve and delete entries in the Spam Reports list
*
* @param int $date must be 1 if you want to retrieve dates
* @param int $days if specified, must be superior to 0
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @param string $email optional email to search for
* @param int $limit optional field to limit the number of returned results
* @param int $offset optional beginning point to retrieve results
* @return array
*/
public function getSpamReports($date = 1, $days = 1, $startDate = '', $endDate = '', $email = '', $limit = 100, $offset = 0)
{
$parameters = array('date' => $date, 'days' => $days, 'start_date' => $startDate, 'end_date' => $endDate,
'email' => $email, 'limit' => $limit, 'offset' => $offset);
$response = $this->prepareHttpClient('/spamreports.get.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* Delete an address from the Spam Reports list
*
* @param string $email email to search for
* @return array
*/
public function deleteSpamReport($email = '')
{
$response = $this->prepareHttpClient('/spamreports.delete.json', array('email' => $email))
->send();
return $this->parseResponse($response);
}
/**
* ------------------------------------------------------------------------------------------
* BLOCKS
* ------------------------------------------------------------------------------------------
*/
/**
* Get a list of blocks with addresses and response codes, optionally with dates
*
* @link http://sendgrid.com/docs/API_Reference/Web_API/blocks.html
* @param int $date must be 1 if you want to retrieve dates
* @param int $days if specified, must be superior to 0
* @param string $startDate if specified, must be in YYYY-MM-DD format and < $endDate
* @param string $endDate if specified, must be in YYYY-MM-DD format and > $startDate
* @return array
*/
public function getBlocks($date = 1, $days = 1, $startDate = '', $endDate = '')
{
$parameters = array(
'date' => $date,
'days' => $days,
'start_date' => $startDate,
'end_date' => $endDate
);
$response = $this->prepareHttpClient('/blocks.get.json', $parameters)
->send();
return $this->parseResponse($response);
}
/**
* Delete an address from the block list
*
* @link http://sendgrid.com/docs/API_Reference/Web_API/blocks.html
* @param string $email
* @return array
*/
public function deleteBlock($email)
{
$response = $this->prepareHttpClient('/blocks.delete', array('email' => $email))
->send();
return $this->parseResponse($response);
}
/**
* @param string $uri
* @param array $parameters
* @return \Zend\Http\Client
*/
private function prepareHttpClient($uri, array $parameters = array())
{
$parameters = array_merge(array('api_user' => $this->username, 'api_key' => $this->apiKey), $parameters);
return $this->getClient()
->resetParameters()
->setMethod(HttpRequest::METHOD_GET)
->setUri(self::API_ENDPOINT . $uri)
->setParameterGet($this->filterParameters($parameters));
}
/**
* @param HttpResponse $response
* @throws Exception\RuntimeException
* @return array
*/
private function parseResponse(HttpResponse $response)
{
$result = json_decode($response->getBody(), true);
if ($response->isSuccess()) {
return $result;
}
// There is a 4xx error
if ($response->isClientError()) {
if (isset($result['errors']) && is_array($result['errors'])) {
$message = implode(', ', $result['errors']);
} elseif (isset($result['error'])) {
$message = $result['error'];
} else {
$message = 'Unknown error';
}
throw new Exception\RuntimeException(sprintf(
'An error occured on SendGrid (http code %s), message: %s', $response->getStatusCode(), $message
));
}
// There is a 5xx error
throw new Exception\RuntimeException('SendGrid server error, please try again');
}
}
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