%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace MailPoet\Newsletter\Links;
use MailPoet\Models\NewsletterLink;
use MailPoet\Models\Subscriber;
use MailPoet\Newsletter\Shortcodes\Categories\Link;
use MailPoet\Newsletter\Shortcodes\Shortcodes;
use MailPoet\Router\Endpoints\Track as TrackEndpoint;
use MailPoet\Router\Router;
use MailPoet\Util\Helpers;
use MailPoet\Util\Security;
use MailPoet\Util\pQuery\pQuery as DomParser;
class Links {
const DATA_TAG_CLICK = '[mailpoet_click_data]';
const DATA_TAG_OPEN = '[mailpoet_open_data]';
const LINK_TYPE_SHORTCODE = 'shortcode';
const LINK_TYPE_URL = 'link';
static function process($content, $newsletter_id, $queue_id) {
$extracted_links = self::extract($content);
$saved_links = self::load($newsletter_id, $queue_id);
$processed_links = self::hash($extracted_links, $saved_links);
return self::replace($content, $processed_links);
}
static function extract($content) {
$extracted_links = array();
// extract link shortcodes
$shortcodes = new Shortcodes();
$shortcodes = $shortcodes->extract(
$content,
$categories = array(Link::CATEGORY_NAME)
);
if($shortcodes) {
$extracted_links = array_map(function($shortcode) {
return array(
'type' => Links::LINK_TYPE_SHORTCODE,
'link' => $shortcode
);
}, $shortcodes);
}
// extract HTML anchor tags
$DOM = DomParser::parseStr($content);
foreach($DOM->query('a') as $link) {
if(!$link->href) continue;
$extracted_links[] = array(
'type' => self::LINK_TYPE_URL,
'link' => $link->href
);
}
return array_unique($extracted_links, SORT_REGULAR);
}
static function load($newsletter_id, $queue_id) {
$links = NewsletterLink::whereEqual('newsletter_id', $newsletter_id)
->whereEqual('queue_id', $queue_id)
->findMany();
$saved_links = array();
foreach($links as $link) {
$saved_links[$link->url] = $link->asArray();
}
return $saved_links;
}
static function hash($extracted_links, $saved_links) {
$processed_links = array_map(function(&$link) {
$link['type'] = Links::LINK_TYPE_URL;
$link['link'] = $link['url'];
$link['processed_link'] = self::DATA_TAG_CLICK . '-' . $link['hash'];
return $link;
}, $saved_links);
foreach($extracted_links as $extracted_link) {
$link = $extracted_link['link'];
if (array_key_exists($link, $processed_links))
continue;
$hash = Security::generateHash();
// Use URL as a key to map between extracted and processed links
// regardless of their sequential position (useful for link skips etc.)
$processed_links[$link] = array(
'type' => $extracted_link['type'],
'hash' => $hash,
'link' => $link,
// replace link with a temporary data tag + hash
// it will be further replaced with the proper track API URL during sending
'processed_link' => self::DATA_TAG_CLICK . '-' . $hash
);
}
return $processed_links;
}
static function replace($content, $processed_links) {
// replace HTML anchor tags
$DOM = DomParser::parseStr($content);
foreach($DOM->query('a') as $link) {
$link_to_replace = $link->href;
$replacement_link = (!empty($processed_links[$link_to_replace]['processed_link'])) ?
$processed_links[$link_to_replace]['processed_link'] :
null;
if(!$replacement_link) continue;
$link->setAttribute('href', $replacement_link);
}
$content = $DOM->__toString();
// replace link shortcodes and markdown links
foreach($processed_links as $processed_link) {
$link_to_replace = $processed_link['link'];
$replacement_link = $processed_link['processed_link'];
if($processed_link['type'] == self::LINK_TYPE_SHORTCODE) {
$content = str_replace($link_to_replace, $replacement_link, $content);
}
$content = preg_replace(
'/\[(.*?)\](\(' . preg_quote($link_to_replace, '/') . '\))/',
'[$1](' . $replacement_link . ')',
$content
);
}
return array(
$content,
array_values($processed_links)
);
}
static function replaceSubscriberData(
$subscriber_id,
$queue_id,
$content,
$preview = false
) {
// match data tags
$subscriber = Subscriber::findOne($subscriber_id);
preg_match_all(self::getLinkRegex(), $content, $matches);
foreach($matches[1] as $index => $match) {
$hash = null;
if(preg_match('/-/', $match)) {
list(, $hash) = explode('-', $match);
}
$data = self::createUrlDataObject(
$subscriber->id,
$subscriber->email,
$queue_id,
$hash,
$preview
);
$router_action = ($matches[2][$index] === self::DATA_TAG_CLICK) ?
TrackEndpoint::ACTION_CLICK :
TrackEndpoint::ACTION_OPEN;
$link = Router::buildRequest(
TrackEndpoint::ENDPOINT,
$router_action,
$data
);
$content = str_replace($match, $link, $content);
}
return $content;
}
static function save(array $links, $newsletter_id, $queue_id) {
foreach($links as $link) {
if (isset($link['id']))
continue;
if(empty($link['hash']) || empty($link['link'])) continue;
$newsletter_link = NewsletterLink::create();
$newsletter_link->newsletter_id = $newsletter_id;
$newsletter_link->queue_id = $queue_id;
$newsletter_link->hash = $link['hash'];
$newsletter_link->url = $link['link'];
$newsletter_link->save();
}
}
static function convertHashedLinksToShortcodesAndUrls($content, $queue_id, $convert_all = false) {
preg_match_all(self::getLinkRegex(), $content, $links);
$links = array_unique(Helpers::flattenArray($links));
foreach($links as $link) {
$link_hash = explode('-', $link);
if(!isset($link_hash[1])) continue;
$newsletter_link = NewsletterLink::where('hash', $link_hash[1])
->where('queue_id', $queue_id)
->findOne();
// convert either only link shortcodes or all hashes links if "convert all"
// option is specified
if($newsletter_link &&
(preg_match('/\[link:/', $newsletter_link->url) || $convert_all)
) {
$content = str_replace($link, $newsletter_link->url, $content);
}
}
return $content;
}
static function getLinkRegex() {
return sprintf(
'/((%s|%s)(?:-\w+)?)/',
preg_quote(self::DATA_TAG_CLICK),
preg_quote(self::DATA_TAG_OPEN)
);
}
static function createUrlDataObject(
$subscriber_id, $subscriber_email, $queue_id, $link_hash, $preview
) {
return array(
$subscriber_id,
Subscriber::generateToken($subscriber_email),
$queue_id,
$link_hash,
$preview
);
}
static function transformUrlDataObject($data) {
reset($data);
if(!is_int(key($data))) return $data;
$transformed_data = array();
$transformed_data['subscriber_id'] = (!empty($data[0])) ? $data[0] : false;
$transformed_data['subscriber_token'] = (!empty($data[1])) ? $data[1] : false;
$transformed_data['queue_id'] = (!empty($data[2])) ? $data[2] : false;
$transformed_data['link_hash'] = (!empty($data[3])) ? $data[3] : false;
$transformed_data['preview'] = (!empty($data[4])) ? $data[4] : false;
return $transformed_data;
}
}
Zerion Mini Shell 1.0