From b3d1ea4cd5d4ba3fd951b23e536fc2681c12f957 Mon Sep 17 00:00:00 2001 From: Mario Vavti Date: Thu, 9 Aug 2018 17:03:20 +0200 Subject: fix zid leaking to nonzot sites if markdown is enabled --- include/markdown.php | 44 +++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 41 insertions(+), 3 deletions(-) (limited to 'include/markdown.php') diff --git a/include/markdown.php b/include/markdown.php index de9862801..18ccbd411 100644 --- a/include/markdown.php +++ b/include/markdown.php @@ -74,8 +74,11 @@ function markdown_to_bb($s, $use_zrl = false, $options = []) { // Convert everything that looks like a link to a link if($use_zrl) { - $s = str_replace(['[img', '/img]'], ['[zmg', '/zmg]'], $s); - $s = preg_replace("/([^\]\=\{]|^)(https?\:\/\/)([a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@\(\)]+)/ismu", '$1[zrl=$2$3]$2$3[/zrl]',$s); + if (strpos($s,'[/img]') !== false) { + $s = preg_replace_callback("/\[img\](.*?)\[\/img\]/ism", 'use_zrl_cb_img', $s); + $s = preg_replace_callback("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", 'use_zrl_cb_img_x', $s); + } + $s = preg_replace_callback("/([^\]\=\{]|^)(https?\:\/\/)([a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@\(\)]+)/ismu", 'use_zrl_cb_link',$s); } else { $s = preg_replace("/([^\]\=\{]|^)(https?\:\/\/)([a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,\@\(\)]+)/ismu", '$1[url=$2$3]$2$3[/url]',$s); @@ -85,7 +88,7 @@ function markdown_to_bb($s, $use_zrl = false, $options = []) { $s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s); // Don't show link to full picture (until it is fixed) - $s = scale_external_images($s, false); + //$s = scale_external_images($s, false); /** * @hooks markdown_to_bb @@ -96,6 +99,41 @@ function markdown_to_bb($s, $use_zrl = false, $options = []) { return $s; } +function use_zrl_cb_link($match) { + $res = ''; + $is_zid = is_matrix_url(trim($match[0])); + + if($is_zid) + $res = $match[1] . '[zrl=' . $match[2] . $match[3] . ']' . $match[2] . $match[3] . '[/zrl]'; + else + $res = $match[1] . '[url=' . $match[2] . $match[3] . ']' . $match[2] . $match[3] . '[/url]'; + + return $res; +} + +function use_zrl_cb_img($match) { + $res = ''; + $is_zid = is_matrix_url(trim($match[1])); + + if($is_zid) + $res = '[zmg]' . $match[1] . '[/zmg]'; + else + $res = $match[0]; + + return $res; +} + +function use_zrl_cb_img_x($match) { + $res = ''; + $is_zid = is_matrix_url(trim($match[3])); + + if($is_zid) + $res = '[zmg=' . $match[1] . 'x' . $match[2] . ']' . $match[3] . '[/zmg]'; + else + $res = $match[0]; + + return $res; +} /** * @brief -- cgit v1.2.3