91 lines
2.7 KiB
PHP
91 lines
2.7 KiB
PHP
<?php
|
|
|
|
class easy_unsubscribe extends rcube_plugin {
|
|
|
|
public $task = 'mail';
|
|
private $message_headers_done = false;
|
|
private $unsubscribe_img;
|
|
|
|
function init() {
|
|
ini_set('display_errors', '1');
|
|
ini_set('display_startup_errors', '1');
|
|
error_reporting(E_ALL);
|
|
|
|
$rcmail = rcmail::get_instance();
|
|
$layout = $rcmail->config->get('layout');
|
|
|
|
$this->add_hook('message_headers_output', array($this, 'message_headers'));
|
|
$this->add_hook('storage_init', array($this, 'storage_init'));
|
|
|
|
$this->include_stylesheet('easy_unsubscribe.css');
|
|
$this->include_script('easy_unsubscribe.js');
|
|
|
|
$this->add_texts('localization/');
|
|
|
|
$rcmail->output->add_label('easy_unsubscribe.confirm');
|
|
}
|
|
|
|
public function storage_init($p) {
|
|
$p['fetch_body'] = true;
|
|
$p['fetch_headers'] = trim($p['fetch_headers'] . ' ' . strtoupper('List-Unsubscribe'));
|
|
return $p;
|
|
|
|
}
|
|
|
|
public function decodeMimeHeader($header) {
|
|
$elements = imap_mime_header_decode($header);
|
|
|
|
return array_reduce($elements, function ($carry, $element) {
|
|
return $carry . $element->text;
|
|
}, '');
|
|
}
|
|
|
|
public function extractUnsubscribeUrls($content) {
|
|
$pattern = '/https?:\/\/[^\s"\'<>]+\/[^\s"\'<>]*unsubscribe[^\s"\'<>]*/i';
|
|
preg_match_all($pattern, $content, $matches);
|
|
return $matches[0];
|
|
}
|
|
|
|
|
|
public function message_headers($p) {
|
|
if($this->message_headers_done === false) {
|
|
|
|
$this->message_headers_done = true;
|
|
if(!isset($p['headers']->others['list-unsubscribe'])) return $p;
|
|
|
|
$urls = [];
|
|
|
|
$rcmail = rcmail::get_instance();
|
|
$body = $rcmail->storage->get_body($p['uid']);
|
|
|
|
$urls = array_merge($urls, $this->extractUnsubscribeUrls($body));
|
|
|
|
$ListUnsubscribe = $this->decodeMimeHeader($p['headers']->others['list-unsubscribe']);
|
|
if (preg_match_all('/<(.+)>/mU', $ListUnsubscribe, $items, PREG_PATTERN_ORDER)) {
|
|
foreach ( $items[1] as $uri ) {
|
|
$urls[] = $uri;
|
|
}
|
|
}
|
|
|
|
$urls = array_unique($urls);
|
|
|
|
foreach ($urls as $uri) {
|
|
if (str_contains($uri, 'mailto')) continue;
|
|
if (!str_contains($uri, '?')) continue;
|
|
|
|
$this->unsubscribe_img .= '<a class="easy_unsubscribe_link" title="'.$uri.'" data-href="'. htmlentities($uri) .'" target="_blank" onclick="easy_unsubscribe_click(this);"><img src="plugins/easy_unsubscribe/icon.png" alt="' . $this->gettext('unsubscribe') . '" /></a>';
|
|
}
|
|
|
|
}
|
|
|
|
if(isset($p['output']['subject'])) {
|
|
$p['output']['subject']['value'] = $p['output']['subject']['value'] . $this->unsubscribe_img;
|
|
$p['output']['subject']['html'] = 1;
|
|
}
|
|
|
|
return $p;
|
|
|
|
}
|
|
|
|
}
|