Send confirmation email + page

lib/Router/Router.php

@@ -1,6 +1,7 @@
 <?php
 namespace MailPoet\Router;
 use \MailPoet\Util\Security;
+use \MailPoet\Models\Subscriber;
 
 if(!defined('ABSPATH')) exit;
 
@@ -17,6 +18,7 @@ class Router {
       'wp_ajax_mailpoet',
       array($this, 'setup')
     );
+    $this->setupPublic();
   }
 
   function setup() {
@@ -36,6 +38,84 @@ class Router {
     }
   }
 
+  function setupPublic() {
+    if(isset($_GET['mailpoet_page'])) {
+      $mailpoet_page = $_GET['mailpoet_page'];
+
+      add_filter('wp_title', array($this,'setWindowTitle'));
+      add_filter('the_title', array($this,'setPageTitle'));
+      add_filter('the_content', array($this,'setPageContent'));
+    }
+  }
+
+  function setWindowTitle() {
+
+  }
+
+  function setPageTitle($title) {
+    $action = (isset($_GET['mailpoet_action']))
+      ? $_GET['mailpoet_action']
+      : null;
+
+    switch($action) {
+      case 'confirm':
+        $token = (isset($_GET['mailpoet_token']))
+          ? $_GET['mailpoet_token']
+          : null;
+        $email = (isset($_GET['mailpoet_email']))
+          ? $_GET['mailpoet_email']
+          : null;
+
+        if(empty($token) || empty($token)) {
+          $title = sprintf(
+            __("You've subscribed to: %s"),
+            'demo'
+          );
+        } else {
+          // check token validity
+          if(md5(AUTH_KEY.$email) !== $token) {
+            $title = __('Your confirmation link expired, please subscribe again.');
+          } else {
+            $subscriber = Subscriber::findOne($email);
+            if($subscriber !== false) {
+              if($subscriber->status !== Subscriber::STATUS_SUBSCRIBED) {
+                $subscriber->status = Subscriber::STATUS_SUBSCRIBED;
+                $subscriber->save();
+              }
+
+              $segments = $subscriber->segments()->findMany();
+
+              $segment_names = array_map(function($segment) {
+                return $segment->name;
+              }, $segments);
+
+              $title = sprintf(
+                __("You've subscribed to: %s"),
+                join(', ', $segment_names)
+              );
+            }
+          }
+        }
+      break;
+      case 'manage':
+        // TODO
+      break;
+      case 'unsubscribe':
+        // TODO
+      break;
+    }
+    return $title;
+  }
+
+  function setPageContent($content) {
+
+    return __(
+      "Yup, we've added you to our list. ".
+      "You'll hear from us shortly."
+    );
+
+  }
+
   function setToken() {
     $global = '<script type="text/javascript">';
     $global .= 'var mailpoet_token = "'.Security::generateToken().'";';