75 lines
2.4 KiB
PHP
75 lines
2.4 KiB
PHP
<?php
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/**
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* Name: Markdown
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* Description: Parse Markdown code when creating new items
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* Version: 0.1
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* Author: Michael Vogel <https://pirati.ca/profile/heluecht>
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*/
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use Friendica\App;
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Content\Text\Markdown;
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use Friendica\Core\Renderer;
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use Friendica\Core\PConfig;
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use Friendica\Core\L10n;
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function markdown_install() {
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Hook::register('post_local_start', __FILE__, 'markdown_post_local_start');
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Hook::register('addon_settings', __FILE__, 'markdown_addon_settings');
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Hook::register('addon_settings_post', __FILE__, 'markdown_addon_settings_post');
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}
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function markdown_addon_settings(App $a, &$s)
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{
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if (!local_user()) {
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return;
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}
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$enabled = intval(PConfig::get(local_user(), 'markdown', 'enabled'));
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$t = Renderer::getMarkupTemplate('settings.tpl', 'addon/markdown/');
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$s .= Renderer::replaceMacros($t, [
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'$title' => L10n::t('Markdown'),
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'$enabled' => ['enabled', L10n::t('Enable Markdown parsing'), $enabled, L10n::t('If enabled, self created items will additionally be parsed via Markdown.')],
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'$submit' => L10n::t('Save Settings'),
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]);
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}
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function markdown_addon_settings_post(App $a, &$b)
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{
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if (!local_user() || empty($_POST['markdown-submit'])) {
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return;
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}
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PConfig::set(local_user(), 'markdown', 'enabled', intval($_POST['enabled']));
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}
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function markdown_post_local_start(App $a, &$request) {
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if (empty($request['body']) || !PConfig::get(local_user(), 'markdown', 'enabled')) {
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return;
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}
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// Elements that shouldn't be parsed
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$elements = ['code', 'noparse', 'nobb', 'pre', 'share', 'url', 'img', 'bookmark',
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'audio', 'video', 'youtube', 'vimeo', 'attachment', 'iframe', 'map', 'mail'];
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foreach ($elements as $element) {
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$request['body'] = preg_replace_callback("/\[" . $element . "(.*?)\](.*?)\[\/" . $element . "\]/ism",
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function ($match) use ($element) {
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return '[' . $element . '-b64' . base64_encode($match[1]) . ']' . base64_encode($match[2]) . '[/b64-' . $element . ']';
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},
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$request['body']
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);
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}
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$request['body'] = Markdown::toBBCode($request['body']);
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foreach (array_reverse($elements) as $element) {
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$request['body'] = preg_replace_callback("/\[" . $element . "-b64(.*?)\](.*?)\[\/b64-" . $element . "\]/ism",
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function ($match) use ($element) {
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return '[' . $element . base64_decode($match[1]) . ']' . base64_decode($match[2]) . '[/' . $element . ']';
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},
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$request['body']
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);
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}
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}
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