<?php /** * Name: Markdown * Description: Parse Markdown code when creating new items * Version: 0.1 * Author: Michael Vogel <https://pirati.ca/profile/heluecht> */ use Friendica\App; use Friendica\Core\Hook; use Friendica\Content\Text\Markdown; use Friendica\Core\Renderer; use Friendica\DI; function markdown_install() { Hook::register('post_local_start', __FILE__, 'markdown_post_local_start'); Hook::register('addon_settings', __FILE__, 'markdown_addon_settings'); Hook::register('addon_settings_post', __FILE__, 'markdown_addon_settings_post'); } function markdown_addon_settings(App $a, array &$data) { if (!local_user()) { return; } $enabled = intval(DI::pConfig()->get(local_user(), 'markdown', 'enabled')); $t = Renderer::getMarkupTemplate('settings.tpl', 'addon/markdown/'); $html = Renderer::replaceMacros($t, [ '$enabled' => ['enabled', DI::l10n()->t('Enable Markdown parsing'), $enabled, DI::l10n()->t('If enabled, adds Markdown support to the Compose Post form.')], ]); $data = [ 'addon' => 'markdown', 'title' => DI::l10n()->t('Markdown Settings'), 'html' => $html, ]; } function markdown_addon_settings_post(App $a, &$b) { if (!local_user() || empty($_POST['markdown-submit'])) { return; } DI::pConfig()->set(local_user(), 'markdown', 'enabled', intval($_POST['enabled'])); } function markdown_post_local_start(App $a, &$request) { if (empty($request['body']) || !DI::pConfig()->get(local_user(), 'markdown', 'enabled')) { return; } // Escape elements that shouldn't be parsed $request['body'] = \Friendica\Content\Text\BBCode::performWithEscapedTags( $request['body'], ['code', 'noparse', 'nobb', 'pre', 'share', 'url', 'img', 'bookmark', 'audio', 'video', 'youtube', 'vimeo', 'attachment', 'iframe', 'map', 'mail'], function ($body) { // Escape mentions which username can contain Markdown-like characters // See https://github.com/friendica/friendica/issues/9486 return \Friendica\Util\Strings::performWithEscapedBlocks($body, '/[@!][^@\s]+@[^\s]+\w/', function ($text) { // Markdown accepts literal HTML but we do not in post body, so we need to escape left chevrons // (right chevrons are used for quoting in Markdown) // See https://github.com/friendica/friendica/issues/10634 $text = strtr($text, ['<' => '<']); return Markdown::toBBCode($text); }); } ); }