Releasing 3.0.0-rc.2.0.1

Fix form issue when using list selection field [MAILPOET-1077]

lib/API/JSON/v1/Subscribers.php

@@ -74,6 +74,8 @@ class Subscribers extends APIEndpoint {
       ));
     }
 
+    $data = $this->deobfuscateFormPayload($data);
+
     $segment_ids = (!empty($data['segments'])
       ? (array)$data['segments']
       : array()
@@ -81,7 +83,6 @@ class Subscribers extends APIEndpoint {
     $segment_ids = $form->filterSegments($segment_ids);
     unset($data['segments']);
 
-    $data = $this->deobfuscateFormPayload($data);
 
     if(empty($segment_ids)) {
       return $this->badRequest(array(

lib/Config/Hooks.php

@@ -1,11 +1,10 @@
 <?php
+
 namespace MailPoet\Config;
+
 use MailPoet\Models\Setting;
 
 class Hooks {
-  function __construct() {
-  }
-
   function init() {
     $this->setupWPUsers();
     $this->setupImageSize();

lib/Config/Initializer.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\API;
@@ -13,18 +14,16 @@ if(!defined('ABSPATH')) exit;
 require_once(ABSPATH . 'wp-admin/includes/plugin.php');
 
 class Initializer {
-  const UNABLE_TO_CONNECT = 'Unable to connect to the database (the database is unable to open a file or folder), the connection is likely not configured correctly. Please read our [link] Knowledge Base article [/link] for steps how to resolve it.';
-  const SOLVE_DB_ISSUE_URL = 'http://beta.docs.mailpoet.com/article/200-solving-database-connection-issues';
-
-  protected $plugin_initialized = false;
   private $access_control;
+  private $renderer;
+
+  const INITIALIZED = 'MAILPOET_INITIALIZED';
 
   function __construct($params = array(
     'file' => '',
     'version' => '1.0.0'
   )) {
     Env::init($params['file'], $params['version']);
-    $this->access_control = new AccessControl();
   }
 
   function init() {
@@ -40,8 +39,8 @@ class Initializer {
       $this->setupDB();
     } catch(\Exception $e) {
       return WPNotice::displayError(Helpers::replaceLinkTags(
-        __(self::UNABLE_TO_CONNECT, 'mailpoet'),
+        __('Unable to connect to the database (the database is unable to open a file or folder), the connection is likely not configured correctly. Please read our [link] Knowledge Base article [/link] for steps how to resolve it.', 'mailpoet'),
-        self::SOLVE_DB_ISSUE_URL,
+        '//beta.docs.mailpoet.com/article/200-solving-database-connection-issues',
         array('target' => '_blank')
       ));
     }
@@ -50,8 +49,8 @@ class Initializer {
     register_activation_hook(
       Env::$file,
       array(
-        'MailPoet\Config\Activator',
+        $this,
-        'activate'
+        'runActivator'
       )
     );
 
@@ -60,27 +59,20 @@ class Initializer {
       'action'
     ), 10, 2);
 
-    add_action('admin_init', array(
-      new DeferredAdminNotices,
-      'printAndClean'
-    ));
-
-    add_action('plugins_loaded', array(
-      $this,
-      'setup'
-    ));
     add_action('init', array(
       $this,
       'onInit'
-    ));
+    ), 0);
-    add_action('widgets_init', array(
+
-      $this,
-      'setupWidget'
-    ));
     add_action('wp_loaded', array(
       $this,
       'setupHooks'
     ));
+
+    add_action('admin_init', array(
+      new DeferredAdminNotices,
+      'printAndClean'
+    ));
   }
 
   function checkRequirements() {
@@ -88,47 +80,45 @@ class Initializer {
     return $requirements->checkAllRequirements();
   }
 
+  function runActivator() {
+    $activator = new Activator();
+    return $activator->activate();
+  }
+
   function setupDB() {
     $database = new Database();
     $database->init();
   }
 
-  function setup() {
+  function onInit() {
     try {
+      $this->setupAccessControl();
+
       $this->maybeDbUpdate();
-      $this->setupRenderer();
       $this->setupInstaller();
       $this->setupUpdater();
+
+      $this->setupRenderer();
+      $this->setupWidget();
       $this->setupLocalizer();
       $this->setupMenu();
-      $this->setupChangelog();
       $this->setupShortcodes();
       $this->setupImages();
+
+      $this->setupChangelog();
       $this->setupCronTrigger();
       $this->setupConflictResolver();
 
-      $this->plugin_initialized = true;
-      do_action('mailpoet_initialized', MAILPOET_VERSION);
-    } catch(\Exception $e) {
-      $this->handleFailedInitialization($e);
-    }
-  }
-
-  function onInit() {
-    if(!$this->plugin_initialized) {
-      define('MAILPOET_INITIALIZED', false);
-      return;
-    }
-
-    try {
       $this->setupJSONAPI();
       $this->setupRouter();
       $this->setupPages();
+
+      do_action('mailpoet_initialized', MAILPOET_VERSION);
     } catch(\Exception $e) {
-      $this->handleFailedInitialization($e);
+      return $this->handleFailedInitialization($e);
     }
 
-    define('MAILPOET_INITIALIZED', true);
+    define(self::INITIALIZED, true);
   }
 
   function maybeDbUpdate() {
@@ -139,28 +129,12 @@ class Initializer {
       if(!$this->access_control->validatePermission(AccessControl::PERMISSION_UPDATE_PLUGIN)) {
         throw new \Exception(__('You do not have permission to activate/deactivate MailPoet plugin.', 'mailpoet'));
       }
-      $activator = new Activator();
+      $this->runActivator();
-      $activator->activate();
     }
   }
 
-  function setupWidget() {
+  function setupAccessControl() {
-    if(!$this->plugin_initialized) {
+    $this->access_control = new AccessControl();
-      return;
-    }
-
-    try {
-      $widget = new Widget($this->renderer);
-      $widget->init();
-    } catch(\Exception $e) {
-      $this->handleFailedInitialization($e);
-    }
-  }
-
-  function setupRenderer() {
-    $caching = !WP_DEBUG;
-    $debugging = WP_DEBUG;
-    $this->renderer = new Renderer($caching, $debugging);
   }
 
   function setupInstaller() {
@@ -184,6 +158,17 @@ class Initializer {
     $updater->init();
   }
 
+  function setupRenderer() {
+    $caching = !WP_DEBUG;
+    $debugging = WP_DEBUG;
+    $this->renderer = new Renderer($caching, $debugging);
+  }
+
+  function setupWidget() {
+    $widget = new Widget($this->renderer);
+    $widget->init();
+  }
+
   function setupLocalizer() {
     $localizer = new Localizer($this->renderer);
     $localizer->init();
@@ -194,41 +179,18 @@ class Initializer {
     $menu->init();
   }
 
-  function setupChangelog() {
-    $changelog = new Changelog();
-    $changelog->init();
-  }
-
-  function setupPages() {
-    $pages = new \MailPoet\Settings\Pages();
-    $pages->init();
-  }
-
   function setupShortcodes() {
     $shortcodes = new Shortcodes();
     $shortcodes->init();
   }
 
-  function setupHooks() {
+  function setupImages() {
-    if(!$this->plugin_initialized) {
+    add_image_size('mailpoet_newsletter_max', 1320);
-      return;
   }
 
-    try {
+  function setupChangelog() {
-      $hooks = new Hooks();
+    $changelog = new Changelog();
-      $hooks->init();
+    $changelog->init();
-    } catch(\Exception $e) {
-      $this->handleFailedInitialization($e);
-    }
-  }
-
-  function setupJSONAPI() {
-    API\API::JSON($this->access_control)->init();
-  }
-
-  function setupRouter() {
-    $router = new Router\Router($this->access_control);
-    $router->init();
   }
 
   function setupCronTrigger() {
@@ -239,17 +201,38 @@ class Initializer {
     }
   }
 
-  function setupImages() {
-    add_image_size('mailpoet_newsletter_max', 1320);
-  }
-
   function setupConflictResolver() {
     $conflict_resolver = new ConflictResolver();
     $conflict_resolver->init();
   }
 
+  function setupJSONAPI() {
+    $json_api = API\API::JSON($this->access_control);
+    $json_api->init();
+  }
+
+  function setupRouter() {
+    $router = new Router\Router($this->access_control);
+    $router->init();
+  }
+
+  function setupPages() {
+    $pages = new \MailPoet\Settings\Pages();
+    $pages->init();
+  }
+
+  function setupHooks() {
+    if(!defined(self::INITIALIZED)) return;
+    try {
+      $hooks = new Hooks();
+      $hooks->init();
+    } catch(\Exception $e) {
+      $this->handleFailedInitialization($e);
+    }
+  }
+
   function handleFailedInitialization($exception) {
-    // Check if we are able to add pages at this point
+    // check if we are able to add pages at this point
     if(function_exists('wp_get_current_user')) {
       Menu::addErrorPage($this->access_control);
     }

lib/Config/Menu.php

@@ -59,6 +59,11 @@ class Menu {
     if(self::isOnMailPoetAdminPage()) {
       do_action('mailpoet_conflict_resolver_styles');
       do_action('mailpoet_conflict_resolver_scripts');
+
+      if($_REQUEST['page'] === 'mailpoet-newsletter-editor') {
+        // Disable WP emojis to not interfere with the newsletter editor emoji handling
+        $this->disableWPEmojis();
+      }
     }
 
     // Main page
@@ -314,6 +319,11 @@ class Menu {
     );
   }
 
+  function disableWPEmojis() {
+    remove_action('admin_print_scripts', 'print_emoji_detection_script');
+    remove_action('admin_print_styles', 'print_emoji_styles');
+  }
+
   function welcome() {
     if((bool)(defined('DOING_AJAX') && DOING_AJAX)) return;
 
@@ -541,7 +551,8 @@ class Menu {
       'shortcodes' => ShortcodesHelper::getShortcodes(),
       'settings' => Setting::getAll(),
       'current_wp_user' => Subscriber::getCurrentWPUser(),
-      'sub_menu' => self::MAIN_PAGE_SLUG
+      'sub_menu' => self::MAIN_PAGE_SLUG,
+      'mss_active' => Bridge::isMPSendingServiceEnabled()
     );
     wp_enqueue_media();
     wp_enqueue_script('tinymce-wplink', includes_url('js/tinymce/plugins/wplink/plugin.js'));

lib/Config/PluginActivatedHook.php

@@ -12,7 +12,7 @@ class PluginActivatedHook {
   }
 
   public function action($plugin, $network_wide) {
-    if($network_wide) {
+    if($plugin === plugin_basename(Env::$file) && $network_wide) {
       $this->deferred_admin_notices->addNetworkAdminNotice(__('We noticed that you\'re using an unsupported environment. While MailPoet might work within a MultiSite environment, we don’t support it.', 'mailpoet'));
     }
   }

lib/Models/Newsletter.php

@@ -4,6 +4,7 @@ use Carbon\Carbon;
 use MailPoet\Newsletter\Renderer\Renderer;
 use MailPoet\Util\Helpers;
 use MailPoet\Util\Security;
+use MailPoet\WP\Emoji;
 
 if(!defined('ABSPATH')) exit;
 
@@ -79,11 +80,15 @@ class Newsletter extends Model {
       $this->set_expr('deleted_at', 'NULL');
     }
 
-    $this->set('body',
+    if(isset($this->body)) {
-      is_array($this->body)
+      if(is_array($this->body)) {
-      ? json_encode($this->body)
+        $this->body = json_encode($this->body);
-      : $this->body
+      }
+      $this->set(
+        'body',
+        Emoji::encodeForUTF8Column(self::$_table, 'body', $this->body)
       );
+    }
 
     $this->set('hash',
       ($this->hash)

lib/Models/SendingQueue.php

@@ -1,6 +1,8 @@
 <?php
 namespace MailPoet\Models;
 
+use MailPoet\WP\Emoji;
+
 if(!defined('ABSPATH')) exit;
 
 class SendingQueue extends Model {
@@ -55,7 +57,10 @@ class SendingQueue extends Model {
       $this->set('subscribers', serialize($this->subscribers));
     }
     if(!is_serialized($this->newsletter_rendered_body) && !is_null($this->newsletter_rendered_body)) {
-      $this->set('newsletter_rendered_body', serialize($this->newsletter_rendered_body));
+      $this->set(
+        'newsletter_rendered_body',
+        serialize($this->encodeEmojisInBody($this->newsletter_rendered_body))
+      );
     }
     // set the default priority to medium
     if(!$this->priority) {
@@ -81,12 +86,34 @@ class SendingQueue extends Model {
   function getNewsletterRenderedBody($type = false) {
     $rendered_newsletter = (!is_serialized($this->newsletter_rendered_body)) ?
       $this->newsletter_rendered_body :
-      unserialize($this->newsletter_rendered_body);
+      $this->decodeEmojisInBody(unserialize($this->newsletter_rendered_body));
     return ($type && !empty($rendered_newsletter[$type])) ?
       $rendered_newsletter[$type] :
       $rendered_newsletter;
   }
 
+  function encodeEmojisInBody($newsletter_rendered_body) {
+    if(is_array($newsletter_rendered_body)) {
+      foreach($newsletter_rendered_body as $key => $value) {
+        $newsletter_rendered_body[$key] = Emoji::encodeForUTF8Column(
+          self::$_table,
+          'newsletter_rendered_body',
+          $value
+        );
+      }
+    }
+    return $newsletter_rendered_body;
+  }
+
+  function decodeEmojisInBody($newsletter_rendered_body) {
+    if(is_array($newsletter_rendered_body)) {
+      foreach($newsletter_rendered_body as $key => $value) {
+        $newsletter_rendered_body[$key] = Emoji::decodeEntities($value);
+      }
+    }
+    return $newsletter_rendered_body;
+  }
+
   function isSubscriberProcessed($subscriber_id) {
     $subscribers = $this->getSubscribers();
     return in_array($subscriber_id, $subscribers['processed']);

lib/Models/Subscriber.php

@@ -149,7 +149,11 @@ class Subscriber extends Model {
 
   static function generateToken($email = null) {
     if($email !== null) {
-      return substr(md5(AUTH_KEY . $email), 0, self::SUBSCRIBER_TOKEN_LENGTH);
+      $auth_key = '';
+      if(defined('AUTH_KEY')) {
+        $auth_key = AUTH_KEY;
+      }
+      return substr(md5($auth_key . $email), 0, self::SUBSCRIBER_TOKEN_LENGTH);
     }
     return false;
   }

lib/Util/Security.php

@@ -22,8 +22,12 @@ class Security {
 
   static function generateHash($length = false) {
     $length = ($length) ? $length : self::HASH_LENGTH;
+    $auth_key = '';
+    if(defined('AUTH_KEY')) {
+      $auth_key = AUTH_KEY;
+    }
     return substr(
-      md5(AUTH_KEY . self::generateRandomString(64)),
+      md5($auth_key . self::generateRandomString(64)),
       0,
       $length
     );

lib/WP/Emoji.php

@@ -0,0 +1,32 @@
+<?php
+namespace MailPoet\WP;
+
+class Emoji {
+  static function encodeForUTF8Column($table, $field, $value) {
+    global $wpdb;
+    $charset = $wpdb->get_col_charset($table, $field);
+    if($charset === 'utf8') {
+      $value = wp_encode_emoji($value);
+    }
+    return $value;
+  }
+
+  static function decodeEntities($content) {
+    // Based on wp_staticize_emoji()
+
+    // Loosely match the Emoji Unicode range.
+    $regex = '/(&#x[2-3][0-9a-f]{3};|&#x1f[1-6][0-9a-f]{2};)/';
+
+    $matches = array();
+    if(preg_match_all($regex, $content, $matches)) {
+      if(!empty($matches[1])) {
+        foreach($matches[1] as $emoji) {
+          $entity = html_entity_decode($emoji, ENT_COMPAT, 'UTF-8');
+          $content = str_replace($emoji, $entity, $content);
+        }
+      }
+    }
+
+    return $content;
+  }
+}

mailpoet.php

@@ -4,7 +4,7 @@ if(!defined('ABSPATH')) exit;
 
 /*
  * Plugin Name: MailPoet 3 (new)
- * Version: 3.0.0-rc.2.0.0
+ * Version: 3.0.0-rc.2.0.1
  * Plugin URI: http://www.mailpoet.com
  * Description: Create and send newsletters, post notifications and welcome emails from your WordPress.
  * Author: MailPoet
@@ -21,7 +21,7 @@ if(!defined('ABSPATH')) exit;
  */
 
 $mailpoet_plugin = array(
-  'version' => '3.0.0-rc.2.0.0',
+  'version' => '3.0.0-rc.2.0.1',
   'filename' => __FILE__,
   'path' => dirname(__FILE__),
   'autoloader' => dirname(__FILE__) . '/vendor/autoload.php',

readme.txt

@@ -4,7 +4,7 @@ Tags: newsletter, email, welcome email, post notification, autoresponder, signup
 Requires at least: 4.6
 Tested up to: 4.8
 Requires PHP: 5.3
-Stable tag: 3.0.0-rc.2.0.0
+Stable tag: 3.0.0-rc.2.0.1
 Create and send beautiful emails and newsletters from WordPress.
 
 == Description ==
@@ -94,6 +94,12 @@ Our [support site](https://beta.docs.mailpoet.com) has plenty of articles. You c
 
 == Changelog ==
 
+= 3.0.0-rc.2.0.1 - 2017-08-30 =
+* Fixed: newsletters with emojis are properly saved and sent on certain hosts. Thanks Alison, Scott and Swann!
+* Fixed: plugin activates on multisite environments;
+* Fixed: subscription forms with list selection field are working now;
+* Fixed: newsletter editor does not require "unsubscribe" link when a third-party sending method is used;
+
 = 3.0.0-rc.2.0.0 - 2017-08-29 =
 * Improved: MailPoet updates on high traffic sites now use less resources;
 * Improved: newsletter is saved when "next" button is pressed in newsletter editor;

tests/unit/API/JSON/v1/SubscribersTest.php

@@ -14,6 +14,7 @@ class SubscribersTest extends \MailPoetTest {
   function _before() {
     $obfuscator = new FieldNameObfuscator();
     $this->obfuscatedEmail = $obfuscator->obfuscate('email');
+    $this->obfuscatedSegments = $obfuscator->obfuscate('segments');
     $this->segment_1 = Segment::createOrUpdate(array('name' => 'Segment 1'));
     $this->segment_2 = Segment::createOrUpdate(array('name' => 'Segment 2'));
 
@@ -433,7 +434,7 @@ class SubscribersTest extends \MailPoetTest {
     $response = $router->subscribe(array(
       $this->obfuscatedEmail => 'toto@mailpoet.com',
       'form_id' => $this->form->id,
-      'segments' => array($this->segment_1->id, $this->segment_2->id)
+      $this->obfuscatedSegments => array($this->segment_1->id, $this->segment_2->id)
     ));
     expect($response->status)->equals(APIResponse::STATUS_OK);
   }
@@ -470,7 +471,7 @@ class SubscribersTest extends \MailPoetTest {
     $response = $router->subscribe(array(
       $this->obfuscatedEmail => 'toto@mailpoet.com',
       'form_id' => $this->form->id,
-      'segments' => array($this->segment_1->id, $this->segment_2->id)
+      $this->obfuscatedSegments => array($this->segment_1->id, $this->segment_2->id)
     ));
 
     expect($response->status)->equals(APIResponse::STATUS_BAD_REQUEST);
@@ -482,7 +483,7 @@ class SubscribersTest extends \MailPoetTest {
     $response = $router->subscribe(array(
       $this->obfuscatedEmail => 'toto@mailpoet.com',
       'form_id' => $this->form->id,
-      'segments' => array($this->segment_1->id, $this->segment_2->id),
+      $this->obfuscatedSegments => array($this->segment_1->id, $this->segment_2->id),
       // exists in table and in the form
       'first_name' => 'aaa',
       // exists in table, but not in the form
@@ -503,14 +504,14 @@ class SubscribersTest extends \MailPoetTest {
     $response = $router->subscribe(array(
       $this->obfuscatedEmail => 'toto@mailpoet.com',
       'form_id' => $this->form->id,
-      'segments' => array($this->segment_1->id, $this->segment_2->id)
+      $this->obfuscatedSegments => array($this->segment_1->id, $this->segment_2->id)
     ));
 
     try {
       $response = $router->subscribe(array(
         $this->obfuscatedEmail => 'tata@mailpoet.com',
         'form_id' => $this->form->id,
-        'segments' => array($this->segment_1->id, $this->segment_2->id)
+        $this->obfuscatedSegments => array($this->segment_1->id, $this->segment_2->id)
       ));
       $this->fail('It should not be possible to subscribe a second time so soon');
     } catch(\Exception $e) {

tests/unit/Config/EnvTest.php

@@ -5,6 +5,10 @@ use MailPoet\Config\Env;
 
 class EnvTest extends \MailPoetTest {
   function _before() {
+    // Back up original environment values
+    $this->file = Env::$file;
+    $this->version = Env::$version;
+
     Env::init('file', '1.0.0');
   }
 
@@ -80,4 +84,9 @@ class EnvTest extends \MailPoetTest {
     expect(Env::getDbTimezoneOffset('+11'))->equals("+11:00");
     expect(Env::getDbTimezoneOffset('-5.5'))->equals("-05:30");
   }
+
+  function _after() {
+    // Restore the original environment
+    Env::init($this->file, $this->version);
+  }
 }

tests/unit/Config/PluginActivatedHookTest.php

@@ -17,10 +17,10 @@ class PluginActivatedHookTest extends \MailPoetTest {
       $this
     );
     $hook = new PluginActivatedHook($deferred_admin_notices);
-    $hook->action("mailpoet", true);
+    $hook->action("mailpoet/mailpoet.php", true);
   }
 
-  public function testItDoesntAddsAMessageIfNoNetworkActivation() {
+  public function testItDoesntAddAMessageIfPluginNameDiffers() {
     $deferred_admin_notices = Stub::makeEmpty(
       'MailPoet\Config\DeferredAdminNotices',
       array(
@@ -29,7 +29,19 @@ class PluginActivatedHookTest extends \MailPoetTest {
       $this
     );
     $hook = new PluginActivatedHook($deferred_admin_notices);
-    $hook->action("mailpoet", false);
+    $hook->action("some/plugin.php", true);
+  }
+
+  public function testItDoesntAddAMessageIfNoNetworkActivation() {
+    $deferred_admin_notices = Stub::makeEmpty(
+      'MailPoet\Config\DeferredAdminNotices',
+      array(
+        'addNetworkAdminNotice' => Stub::never(),
+      ),
+      $this
+    );
+    $hook = new PluginActivatedHook($deferred_admin_notices);
+    $hook->action("mailpoet/mailpoet.php", false);
   }
 
 }

tests/unit/Models/SendingQueueTest.php

@@ -0,0 +1,42 @@
+<?php
+namespace MailPoet\Test\Models;
+
+use AspectMock\Test as Mock;
+use MailPoet\Models\SendingQueue;
+
+class SendingQueueTest extends \MailPoetTest {
+  function _before() {
+    $this->queue = SendingQueue::create();
+    $this->queue->save();
+
+    $this->rendered_body = array(
+      'html' => 'some html',
+      'text' => 'some text'
+    );
+  }
+
+  function testItCanEncodeEmojisInBody() {
+    $mock = Mock::double('MailPoet\WP\Emoji', [
+      'encodeForUTF8Column' => function($params) {
+        return $params;
+      }
+    ]);
+    $this->queue->encodeEmojisInBody($this->rendered_body);
+    $mock->verifyInvokedMultipleTimes('encodeForUTF8Column', 2);
+  }
+
+  function testItCanDecodeEmojisInBody() {
+    $mock = Mock::double('MailPoet\WP\Emoji', [
+      'decodeEntities' => function($params) {
+        return $params;
+      }
+    ]);
+    $this->queue->decodeEmojisInBody($this->rendered_body);
+    $mock->verifyInvokedMultipleTimes('decodeEntities', 2);
+  }
+
+  function _after() {
+    Mock::clean();
+    \ORM::raw_execute('TRUNCATE ' . SendingQueue::$_table);
+  }
+}

tests/unit/WP/EmojiTest.php

@@ -0,0 +1,51 @@
+<?php
+namespace MailPoet\Test\WP;
+
+use MailPoet\Config\Env;
+use MailPoet\WP\Emoji;
+
+class EmojiTest extends \MailPoetTest {
+  function _before() {
+    $this->data_encoded = "Emojis: &#x1f603;&#x1f635;&#x1f4aa;, not emojis: &#046;&#0142;";
+    $this->data_decoded = "Emojis: 😃😵💪, not emojis: &#046;&#0142;";
+
+    $this->column = 'dummycol';
+  }
+
+  function testItCanEncodeForUTF8Column() {
+    $table = Env::$db_prefix . 'dummytable_utf8';
+    $this->createTable($table, 'utf8');
+
+    $result = Emoji::encodeForUTF8Column($table, $this->column, $this->data_decoded);
+    expect($result)->equals($this->data_encoded);
+
+    $this->dropTable($table);
+  }
+
+  function testItDoesNotEncodeForUTF8MB4Column() {
+    $table = Env::$db_prefix . 'dummytable_utf8mb4';
+    $this->createTable($table, 'utf8mb4');
+
+    $result = Emoji::encodeForUTF8Column($table, $this->column, $this->data_decoded);
+    expect($result)->equals($this->data_decoded);
+
+    $this->dropTable($table);
+  }
+
+  function testItCanDecodeEntities() {
+    $result = Emoji::decodeEntities($this->data_encoded);
+    expect($result)->equals($this->data_decoded);
+  }
+
+  private function createTable($table, $charset) {
+    \ORM::raw_execute(
+      'CREATE TABLE IF NOT EXISTS ' . $table
+      . ' (' . $this->column . ' TEXT) '
+      . 'DEFAULT CHARSET=' . $charset . ';'
+    );
+  }
+
+  private function dropTable($table) {
+    \ORM::raw_execute('DROP TABLE IF EXISTS ' . $table);
+  }
+}

views/newsletter/editor.html

@@ -1200,7 +1200,7 @@
         height: '768px'
       },
       validation: {
-        validateUnsubscribeLinkPresent: true, // TODO: Add validation based on whether Mailpoet MTA is used or not
+        validateUnsubscribeLinkPresent: <%= mss_active ? 'true' : 'false' %>,
       },
       urls: {
         send: '<%= admin_url('admin.php?page=mailpoet-newsletters#/send/' ~ (params('id') | intval)) %>',