- Adds Amazon SES tests

- Refactors all API mailers - Updates unit tests for all API mailers - Adds Mailer router + tests
2015-10-06 20:47:34 -04:00
parent 1ab55f8991
commit 1d9ef9bd91
21 changed files with 897 additions and 804 deletions
--- a/lib/Mailer/API/AmazonSES.php
+++ b/lib/Mailer/API/AmazonSES.php
@@ -0,0 +1,108 @@
+<?php
+namespace MailPoet\Mailer\API;
+
+if(!defined('ABSPATH')) exit;
+
+class AmazonSES {
+  function __construct($region, $access_key, $secret_key, $from) {
+    $this->awsAccessKey = $access_key;
+    $this->awsSecret_key = $secret_key;
+    $this->awsRegion = $region;
+    $this->awsEndpoint = sprintf('email.%s.amazonaws.com', $region);
+    $this->awsSigningAlgorithm = 'AWS4-HMAC-SHA256';
+    $this->awsService = 'ses';
+    $this->awsTerminationString = 'aws4_request';
+    $this->hashAlgorithm = 'sha256';
+    $this->url = 'https://' . $this->awsEndpoint;
+    $this->from = $from;
+    $this->date = gmdate('Ymd\THis\Z');
+    $this->dateWithoutTime = gmdate('Ymd');
+  }
+
+  function send($newsletter, $subscriber) {
+    $this->newsletter = $newsletter;
+    $this->subscriber = $subscriber;
+    $result = wp_remote_post(
+      $this->url,
+      $this->request()
+    );
+    return ($result['response']['code'] === 200);
+  }
+
+  function getBody() {
+    $parameters = array(
+      'Action' => 'SendEmail',
+      'Version' => '2010-12-01',
+      'Source' => $this->from,
+      'Destination.ToAddresses.member.1' => $this->subscriber,
+      'Message.Subject.Data' => $this->newsletter['subject'],
+      'Message.Body.Html.Data' => $this->newsletter['body']['html'],
+      'Message.Body.Text.Data' => $this->newsletter['body']['text'],
+      'ReplyToAddresses.member.1' => $this->from,
+      'ReturnPath' => $this->from
+    );
+    return urldecode(http_build_query($parameters));
+  }
+
+  function request() {
+    return array(
+      'timeout' => 10,
+      'httpversion' => '1.1',
+      'method' => 'POST',
+      'headers' => array(
+        'Host' => $this->awsEndpoint,
+        'Authorization' => $this->signRequest($this->getBody()),
+        'X-Amz-Date' => $this->date
+      ),
+      'body' => $this->getBody()
+    );
+  }
+
+  function signRequest() {
+    $stringToSign = $this->createStringToSign(
+      $this->getCredentialScope(),
+      $this->getCanonicalRequest()
+    );
+    $signature = hash_hmac($this->hashAlgorithm, $stringToSign, $this->getSigningKey());
+
+    return sprintf(
+      '%s Credential=%s/%s, SignedHeaders=host;x-amz-date, Signature=%s',
+      $this->awsSigningAlgorithm,
+      $this->awsAccessKey,
+      $this->getCredentialScope(),
+      $signature);
+  }
+
+  function getCredentialScope() {
+    return sprintf('%s/%s/%s/%s', $this->dateWithoutTime, $this->awsRegion, $this->awsService, $this->awsTerminationString);
+  }
+
+  function getCanonicalRequest() {
+    return implode("\n", array(
+      'POST',
+      '/',
+      '',
+      'host:' . $this->awsEndpoint,
+      'x-amz-date:' . $this->date,
+      '',
+      'host;x-amz-date',
+      hash($this->hashAlgorithm, $this->getBody())
+    ));
+  }
+
+  function createStringToSign($credentialScope, $canonicalRequest) {
+    return implode("\n", array(
+      $this->awsSigningAlgorithm,
+      $this->date,
+      $credentialScope,
+      hash($this->hashAlgorithm, $canonicalRequest)
+    ));
+  }
+
+  function getSigningKey() {
+    $dateKey = hash_hmac($this->hashAlgorithm, $this->dateWithoutTime, 'AWS4' . $this->awsSecret_key, true);
+    $regionKey = hash_hmac($this->hashAlgorithm, $this->awsRegion, $dateKey, true);
+    $serviceKey = hash_hmac($this->hashAlgorithm, $this->awsService, $regionKey, true);
+    return hash_hmac($this->hashAlgorithm, $this->awsTerminationString, $serviceKey, true);
+  }
+}