1 files changed, 86 insertions, 0 deletions
diff --git a/platform/www/inc/Subscriptions/SubscriptionSender.php b/platform/www/inc/Subscriptions/SubscriptionSender.php
new file mode 100644
index 0000000..afc05bf
--- /dev/null
+++ b/platform/www/inc/Subscriptions/SubscriptionSender.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace dokuwiki\Subscriptions;
+
+use Mailer;
+
+abstract class SubscriptionSender
+{
+    protected $mailer;
+
+    public function __construct(Mailer $mailer = null)
+    {
+        if ($mailer === null) {
+            $mailer = new Mailer();
+        }
+        $this->mailer = $mailer;
+    }
+
+    /**
+     * Get a valid message id for a certain $id and revision (or the current revision)
+     *
+     * @param string $id  The id of the page (or media file) the message id should be for
+     * @param string $rev The revision of the page, set to the current revision of the page $id if not set
+     *
+     * @return string
+     */
+    protected function getMessageID($id, $rev = null)
+    {
+        static $listid = null;
+        if (is_null($listid)) {
+            $server = parse_url(DOKU_URL, PHP_URL_HOST);
+            $listid = join('.', array_reverse(explode('/', DOKU_BASE))) . $server;
+            $listid = urlencode($listid);
+            $listid = strtolower(trim($listid, '.'));
+        }
+
+        if (is_null($rev)) {
+            $rev = @filemtime(wikiFN($id));
+        }
+
+        return "<$id?rev=$rev@$listid>";
+    }
+
+    /**
+     * Helper function for sending a mail
+     *
+     * @param string $subscriber_mail The target mail address
+     * @param string $subject         The lang id of the mail subject (without the
+     *                                prefix “mail_”)
+     * @param string $context         The context of this mail, eg. page or namespace id
+     * @param string $template        The name of the mail template
+     * @param array  $trep            Predefined parameters used to parse the
+     *                                template (in text format)
+     * @param array  $hrep            Predefined parameters used to parse the
+     *                                template (in HTML format), null to default to $trep
+     * @param array  $headers         Additional mail headers in the form 'name' => 'value'
+     *
+     * @return bool
+     * @author Adrian Lang <lang@cosmocode.de>
+     *
+     */
+    protected function send($subscriber_mail, $subject, $context, $template, $trep, $hrep = null, $headers = [])
+    {
+        global $lang;
+        global $conf;
+
+        $text = rawLocale($template);
+        $subject = $lang['mail_' . $subject] . ' ' . $context;
+        $mail = $this->mailer;
+        $mail->bcc($subscriber_mail);
+        $mail->subject($subject);
+        $mail->setBody($text, $trep, $hrep);
+        if (in_array($template, ['subscr_list', 'subscr_digest'])) {
+            $mail->from($conf['mailfromnobody']);
+        }
+        if (isset($trep['SUBSCRIBE'])) {
+            $mail->setHeader('List-Unsubscribe', '<' . $trep['SUBSCRIBE'] . '>', false);
+        }
+
+        foreach ($headers as $header => $value) {
+            $mail->setHeader($header, $value);
+        }
+
+        return $mail->send();
+    }
+}