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PhabricatorMailImplementationSendGridAdapter.php
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Tue, Dec 3, 09:26

PhabricatorMailImplementationSendGridAdapter.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Mail adapter that uses SendGrid's web API to deliver email.
*/
class PhabricatorMailImplementationSendGridAdapter
extends PhabricatorMailImplementationAdapter {
private $params = array();
public function setFrom($email, $name = '') {
$this->params['from'] = $email;
$this->params['from-name'] = $name;
return $this;
}
public function addReplyTo($email, $name = '') {
if (empty($this->params['reply-to'])) {
$this->params['reply-to'] = array();
}
$this->params['reply-to'][] = array(
'email' => $email,
'name' => $name,
);
return $this;
}
public function addTos(array $emails) {
foreach ($emails as $email) {
$this->params['tos'][] = $email;
}
return $this;
}
public function addCCs(array $emails) {
foreach ($emails as $email) {
$this->params['ccs'][] = $email;
}
return $this;
}
public function addHeader($header_name, $header_value) {
$this->params['headers'][] = array($header_name, $header_value);
return $this;
}
public function setBody($body) {
$this->params['body'] = $body;
return $this;
}
public function setSubject($subject) {
$this->params['subject'] = $subject;
return $this;
}
public function setIsHTML($is_html) {
$this->params['is-html'] = $is_html;
return $this;
}
public function supportsMessageIDHeader() {
return false;
}
public function send() {
$user = PhabricatorEnv::getEnvConfig('sendgrid.api-user');
$key = PhabricatorEnv::getEnvConfig('sendgrid.api-key');
if (!$user || !$key) {
throw new Exception(
"Configure 'sendgrid.api-user' and 'sendgrid.api-key' to use ".
"SendGrid for mail delivery.");
}
$params = array();
$ii = 0;
foreach (idx($this->params, 'tos', array()) as $to) {
$params['to['.($ii++).']'] = $to;
}
$params['subject'] = idx($this->params, 'subject');
if (idx($this->params, 'is-html')) {
$params['html'] = idx($this->params, 'body');
} else {
$params['text'] = idx($this->params, 'body');
}
$params['from'] = idx($this->params, 'from');
if (idx($this->params, 'from-name')) {
$params['fromname'] = $this->params['from-name'];
}
if (idx($this->params, 'reply-to')) {
$replyto = $this->params['reply-to'];
// Pick off the email part, no support for the name part in this API.
$params['replyto'] = $replyto[0]['email'];
}
$headers = idx($this->params, 'headers', array());
// See SendGrid Support Ticket #29390; there's no explicit REST API support
// for CC right now but it works if you add a generic "Cc" header.
//
// SendGrid said this is supported:
// "You can use CC as you are trying to do there [by adding a generic
// header]. It is supported despite our limited documentation to this
// effect, I am glad you were able to figure it out regardless. ..."
if (idx($this->params, 'ccs')) {
$headers[] = array('Cc', implode(', ', $this->params['ccs']));
}
if ($headers) {
// Convert to dictionary.
$headers = ipull($headers, 1, 0);
$headers = json_encode($headers);
$params['headers'] = $headers;
}
$params['api_user'] = $user;
$params['api_key'] = $key;
$future = new HTTPSFuture(
'https://sendgrid.com/api/mail.send.json',
$params);
list($code, $body) = $future->resolve();
if ($code !== 200) {
throw new Exception("REST API call failed with HTTP code {$code}.");
}
$response = json_decode($body, true);
if (!is_array($response)) {
throw new Exception("Failed to JSON decode response: {$body}");
}
if ($response['message'] !== 'success') {
$errors = implode(";", $response['errors']);
throw new Exception("Request failed with errors: {$errors}.");
}
return true;
}
}

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