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[ckeditor][markdown] introduce twig filter chill_markdown_to_html

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This commit is contained in:
Julien Fastré
2021-03-22 17:32:57 +01:00
parent f619171120
commit 527b658ca0
5 changed files with 164 additions and 11 deletions
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21
src/Bundle/ChillMainBundle/Resources/public/sass/_custom.scss
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@@ -157,16 +157,27 @@ dl.chill_view_data {
}
blockquote.chill-user-quote {
blockquote.chill-user-quote,
div.chill-user-quote {
border-left: 10px solid $chill-yellow;
margin: 1.5em 10px;
padding: 0.5em 10px;
quotes: "\201C""\201D""\2018""\2019";
background-color: $chill-llight-gray;
p { display: inline; }
blockquote {
margin: 1.5em 10px;
padding: 0.5em 10px;
}
blockquote:before {
color: #ccc;
content: open-quote;
font-size: 4em;
line-height: 0.1em;
margin-right: 0.25em;
vertical-align: -0.4em;
}
}
.chill-no-data-statement {

56
src/Bundle/ChillMainBundle/Templating/ChillMarkdownRenderExtension.php Normal file
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@@ -0,0 +1,56 @@
<?php
/*
* Copyright (C) 2021 Champs Libres Cooperative <info@champs-libres.coop>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Chill\MainBundle\Templating;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Parsedown;
/**
* Render markdown
*
*/
class ChillMarkdownRenderExtension extends AbstractExtension
{
/**
*
* @var Parsedown
*/
protected $parsedown;
public function __construct()
{
$this->parsedown = new Parsedown();
$this->parsedown->setSafeMode(true);
}
public function getFilters()
{
return [
new TwigFilter('chill_markdown_to_html', [$this, 'renderMarkdownToHtml'], [
'is_safe' => [ 'html' ]
])
];
}
public function renderMarkdownToHtml($var)
{
return $this->parsedown->parse($var);
}
}

76
src/Bundle/ChillMainBundle/Tests/Templating/ChillMarkdownRenderExtensionTest.php Normal file
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@@ -0,0 +1,76 @@
<?php
/*
* Chill is a software for social workers
*
* Copyright (C) 2014-2021, Champs Libres Cooperative SCRLFS,
* <http://www.champs-libres.coop>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Chill\MainBundle\Tests\Templating;
use PHPUnit\Framework\TestCase;
use Chill\MainBundle\Templating\ChillMarkdownRenderExtension;
/**
* Test the service ChillMarkdownRenderExtension
*
* @internal we do not want to test the markdown transformation. We just want to
* test that the markdown is correctly transformed into html, and that the html
* is safe.
*/
class ChillMarkdownRenderExtensionTest extends TestCase
{
private const SIMPLE_MARKDOWN = <<<MD
# test
Text.
MD;
private const SIMPLE_HTML = <<<HTML
<h1>test</h1>
<p>Text.</p>
HTML;
private const UNAUTHORIZED_MARKDOWN = <<<MD
<script>alert("ok");</script>
MD;
private const UNAUTHORIZED_HTML = <<<HTML
<p>&lt;script&gt;alert(&quot;ok&quot;);&lt;/script&gt;</p>
HTML;
/**
* Test that the markdown input is transformed into html
*/
public function testRendering()
{
$extension = new ChillMarkdownRenderExtension();
$this->assertEquals(self::SIMPLE_HTML,
$extension->renderMarkdownToHtml(self::SIMPLE_MARKDOWN));
}
/**
* Test that the output of the markdown content is sanitized
*/
public function testSecurity()
{
$extension = new ChillMarkdownRenderExtension();
$this->assertEquals(self::UNAUTHORIZED_HTML,
$extension->renderMarkdownToHtml(self::UNAUTHORIZED_MARKDOWN));
}
}

4
src/Bundle/ChillMainBundle/config/services/templating.yaml
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@@ -36,3 +36,7 @@ services:
- '@chill.main.user_repository'
tags:
- { name: 'chill.render_entity' }
Chill\MainBundle\Templating\ChillMarkdownRenderExtension:
tags:
- { name: twig.extension }