- Updates link tracking to use the same Public API data format as other

endpoints

lib/Config/PublicAPI.php

@@ -26,7 +26,7 @@ class PublicAPI {
       Helpers::underscoreToCamelCase($_GET['action']) :
       false;
     $this->data = isset($_GET['data']) ?
-      $_GET['data'] :
+      unserialize(base64_decode($_GET['data'])) :
       false;
   }
 
@@ -37,7 +37,7 @@ class PublicAPI {
 
   function queue() {
     try {
-      $queue = new Daemon($this->_decodeData());
+      $queue = new Daemon($this->data);
       $this->_checkAndCallMethod($queue, $this->action);
     } catch(\Exception $e) {
     }
@@ -45,7 +45,7 @@ class PublicAPI {
 
   function subscription() {
     try {
-      $subscription = new Subscription\Pages($this->action, $this->_decodeData());
+      $subscription = new Subscription\Pages($this->action, $this->data);
       $this->_checkAndCallMethod($subscription, $this->action);
     } catch(\Exception $e) {
     }
@@ -63,7 +63,7 @@ class PublicAPI {
   }
 
   function viewInBrowser() {
-    $viewer = new ViewInBrowser($this->_decodeData());
+    $viewer = new ViewInBrowser($this->data);
     $viewer->view();
   }
 
@@ -80,12 +80,4 @@ class PublicAPI {
       )
     );
   }
-
-  private function _decodeData() {
-    if($this->data !== false) {
-      return unserialize(base64_decode($this->data));
-    } else {
-      return array();
-    }
-  }
 }

lib/Cron/Workers/SendingQueue.php

@@ -118,7 +118,7 @@ class SendingQueue {
   function processBulkSubscribers($mailer, $newsletter, $subscribers, $queue) {
     foreach($subscribers as $subscriber) {
       $processed_newsletters[] =
-        $this->processNewsletter($newsletter, $subscriber, $queue);
+        $this->processNewsletterBeforeSending($newsletter, $subscriber, $queue);
       if(!$queue->newsletter_rendered_subject) {
         $queue->newsletter_rendered_subject = $processed_newsletters[0]['subject'];
       }
@@ -162,7 +162,7 @@ class SendingQueue {
   function processIndividualSubscriber($mailer, $newsletter, $subscribers, $queue) {
     foreach($subscribers as $subscriber) {
       $this->checkSendingLimit();
-      $processed_newsletter = $this->processNewsletter($newsletter, $subscriber, $queue);
+      $processed_newsletter = $this->processNewsletterBeforeSending($newsletter, $subscriber, $queue);
       if(!$queue->newsletter_rendered_subject) {
         $queue->newsletter_rendered_subject = $processed_newsletter['subject'];
       }
@@ -213,7 +213,7 @@ class SendingQueue {
     return $content;
   }
 
-  function processNewsletter($newsletter, $subscriber = false, $queue) {
+  function processNewsletterBeforeSending($newsletter, $subscriber = false, $queue) {
     $data_for_shortcodes = array(
       $newsletter['subject'],
       $newsletter['body']['html'],

lib/Newsletter/Links/Links.php

@@ -10,7 +10,7 @@ class Links {
 
   static function extract($content) {
     // adopted from WP's wp_extract_urls() function &  modified to work on hrefs
-      # match href=' or href="
+    # match href=' or href="
     $regex = '#(?:href.*?=.*?)(["\']?)('
       # match http://
       . '(?:([\w-]+:)?//?)'
@@ -76,11 +76,23 @@ class Links {
     $queue_id,
     $content
   ) {
-    return str_replace(
-      self::DATA_TAG,
-      sprintf('%s-%s-%s', $newsletter_id, $subscriber_id, $queue_id),
-      $content
-    );
+    $regex = sprintf('/data=(%s(?:-\w+)?)/', preg_quote(self::DATA_TAG));
+    preg_match_all($regex, $content, $links);
+    foreach($links[1] as $link) {
+      $hash = null;
+      if(preg_match('/-/', $link)) {
+        list(, $hash) = explode('-', $link);
+      }
+      $data = array(
+        'newsletter' => $newsletter_id,
+        'subscriber' => $subscriber_id,
+        'queue' => $queue_id,
+        'hash' => $hash
+      );
+      $data = rtrim(base64_encode(serialize($data)), '=');
+      $content = str_replace($link, $data, $content);
+    }
+    return $content;
   }
 
   static function save($links, $newsletter_id, $queue_id) {

lib/Newsletter/Renderer/PostProcess/OpenTracking.php

@@ -1,6 +1,8 @@
 <?php
 namespace MailPoet\Newsletter\Renderer\PostProcess;
 
+use MailPoet\Newsletter\Links\Links;
+
 class OpenTracking {
   static function process($template) {
     $DOM = new \pQuery();
@@ -9,7 +11,7 @@ class OpenTracking {
     $open_tracking_link = sprintf(
       '<img alt="" class="" src="%s/%s"/>',
       home_url(),
-      htmlentities('?mailpoet&endpoint=track&action=open&data=[mailpoet_data]')
+      esc_attr('?mailpoet&endpoint=track&action=open&data=' . Links::DATA_TAG)
     );
     $template->html($template->html() . $open_tracking_link);
     return $DOM->__toString();

lib/Statistics/Track/Clicks.php

@@ -12,20 +12,18 @@ use MailPoet\Subscription\Url as SubscriptionUrl;
 if(!defined('ABSPATH')) exit;
 
 class Clicks {
-  public $url;
+  public $data;
 
-  function __construct($url) {
-    $this->url = $url;
+  function __construct($data) {
+    $this->data = $data;
   }
 
-  function track($url = false) {
-    $url = ($url) ? $url : $this->url;
-    if(!preg_match('/\d+-\d+-\d+-[a-zA-Z0-9]/', $url)) $this->abort();
-    list ($newsletter_id, $subscriber_id, $queue_id, $hash) = explode('-', $url);
-    $newsletter = $this->getNewsletter($newsletter_id);
-    $subscriber = $this->getSubscriber($subscriber_id);
-    $queue = $this->getQueue($queue_id);
-    $link = $this->getLink($hash);
+  function track($data = false) {
+    $data = ($data) ? $data : $this->data;
+    $newsletter = $this->getNewsletter($data['newsletter']);
+    $subscriber = $this->getSubscriber($data['subscriber']);
+    $queue = $this->getQueue($data['queue']);
+    $link = $this->getLink($data['hash']);
     if(!$subscriber || !$newsletter || !$link || !$queue) {
       $this->abort();
     }
@@ -36,7 +34,7 @@ class Clicks {
       ->findOne();
     if(!$statistics) {
       // track open event in case it did not register
-      $open = new Opens($url, $display_image = false);
+      $open = new Opens($data, $display_image = false);
       $open->track();
       $statistics = StatisticsClicks::create();
       $statistics->newsletter_id = $newsletter['id'];

lib/Statistics/Track/Opens.php

@@ -17,22 +17,20 @@ class Opens {
 
   function track($data = false) {
     $data = ($data) ? $data : $this->data;
-    if(!preg_match('/\d+-\d+-\d+/', $data)) $this->abort();
-    list ($newsletter_id, $subscriber_id, $queue_id) = explode('-', $data);
-    $subscriber = Subscriber::findOne($subscriber_id);
+    $subscriber = Subscriber::findOne($data['subscriber']);
     if(!$subscriber) return;
-    $statistics = StatisticsOpens::where('subscriber_id', $subscriber_id)
-      ->where('newsletter_id', $newsletter_id)
-      ->where('queue_id', $queue_id)
+    $statistics = StatisticsOpens::where('subscriber_id', $subscriber->id)
+      ->where('newsletter_id', $data['newsletter'])
+      ->where('queue_id', $data['queue'])
       ->findOne();
     if(!$statistics) {
       $statistics = StatisticsOpens::create();
-      $statistics->newsletter_id = $newsletter_id;
-      $statistics->subscriber_id = $subscriber_id;
-      $statistics->queue_id = $queue_id;
+      $statistics->newsletter_id = $data['newsletter'];
+      $statistics->subscriber_id = $data['subscriber'];
+      $statistics->queue_id = $data['queue'];
       $statistics->save();
     }
-    if ($this->display_image) {
+    if($this->display_image) {
       // return 1x1 pixel transparent gif image
       header('Content-Type: image/gif');
       echo "\x47\x49\x46\x38\x37\x61\x1\x0\x1\x0\x80\x0\x0\xfc\x6a\x6c\x0\x0\x0\x2c\x0\x0\x0\x0\x1\x0\x1\x0\x0\x2\x2\x44\x1\x0\x3b";