74 lines
2.4 KiB
PHP
74 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\Content\Text\Markdown;
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use Friendica\Core\Renderer;
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use Friendica\Core\Session;
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use Friendica\DI;
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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 $a, array &$data)
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{
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if (!Session::getLocalUser()) {
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return;
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}
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$enabled = intval(DI::pConfig()->get(Session::getLocalUser(), 'markdown', 'enabled'));
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$t = Renderer::getMarkupTemplate('settings.tpl', 'addon/markdown/');
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$html = Renderer::replaceMacros($t, [
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'$enabled' => ['enabled', DI::l10n()->t('Enable Markdown parsing'), $enabled, DI::l10n()->t('If enabled, adds Markdown support to the Compose Post form.')],
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]);
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$data = [
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'addon' => 'markdown',
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'title' => DI::l10n()->t('Markdown Settings'),
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'html' => $html,
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];
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}
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function markdown_addon_settings_post(App $a, array &$b)
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{
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if (!Session::getLocalUser() || empty($_POST['markdown-submit'])) {
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return;
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}
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DI::pConfig()->set(Session::getLocalUser(), 'markdown', 'enabled', intval($_POST['enabled']));
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}
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function markdown_post_local_start(App $a, &$request) {
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if (empty($request['body']) || !DI::pConfig()->get(Session::getLocalUser(), 'markdown', 'enabled')) {
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return;
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}
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// Escape elements that shouldn't be parsed
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$request['body'] = \Friendica\Content\Text\BBCode::performWithEscapedTags(
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$request['body'],
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['code', 'noparse', 'nobb', 'pre', 'share', 'url', 'img', 'bookmark',
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'audio', 'video', 'youtube', 'vimeo', 'attachment', 'iframe', 'map', 'mail'],
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function ($body) {
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// Escape mentions which username can contain Markdown-like characters
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// See https://github.com/friendica/friendica/issues/9486
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return \Friendica\Util\Strings::performWithEscapedBlocks($body, '/[@!][^@\s]+@[^\s]+\w/', function ($text) {
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// Markdown accepts literal HTML but we do not in post body, so we need to escape left chevrons
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// (right chevrons are used for quoting in Markdown)
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// See https://github.com/friendica/friendica/issues/10634
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$text = strtr($text, ['<' => '<']);
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return Markdown::toBBCode($text);
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});
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}
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);
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}
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