ro
a0f7bff67c
the module used to sanitize html is no longer maintained, so updated that methodology to use symfony's very sexy sanitizer checked to make sure render on save was working as well.
181 lines
6.5 KiB
PHP
181 lines
6.5 KiB
PHP
<?php
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namespace App\Services\Data;
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use League\CommonMark\MarkdownConverter;
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use League\CommonMark\Environment\Environment;
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use League\CommonMark\Extension\Table\TableExtension;
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use League\CommonMark\Extension\Attributes\AttributesExtension;
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use League\CommonMark\Extension\FrontMatter\FrontMatterExtension;
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use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
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use League\CommonMark\Extension\Strikethrough\StrikethroughExtension;
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use League\CommonMark\Extension\FrontMatter\Output\RenderedContentWithFrontMatter;
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use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
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use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
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class ContentService
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{
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protected $files = [];
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protected $config = [];
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public function __construct()
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{
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$this->loadPages(env('PAGES_PATH'));
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}
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public function loadPages($folder)
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{
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$folders = glob("$folder/*", GLOB_ONLYDIR);
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foreach ($folders as $folder) {
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//$this->files[] = $folder . "/";
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$this->loadPages($folder);
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}
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$files = array_filter(glob("$folder/*md"), 'is_file');
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foreach ($files as $file) {
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$this->files[] = $file;
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}
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}
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public function loadAllPages()
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{
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$environment = new Environment($this->config);
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$environment->addExtension(new CommonMarkCoreExtension());
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// Add the extension
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$environment->addExtension(new FrontMatterExtension());
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//Add Strikethrough rendering
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$environment->addExtension(new StrikethroughExtension());
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//add attributes to elements in markdown
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$environment->addExtension(new AttributesExtension());
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//add table rendering
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$environment->addExtension(new TableExtension());
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// Instantiate the converter engine and start converting some Markdown!
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$converter = new MarkdownConverter($environment);
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$contents = [];
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foreach ($this->files as $file) {
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//get meta and html from file
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$result = $converter->convertToHtml(file_get_contents($file));
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$meta = [];
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if ($result instanceof RenderedContentWithFrontMatter) {
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$meta = $result->getFrontMatter();
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}
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//get raw markdown from file
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$frontMatterExtension = new FrontMatterExtension();
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$parsed = $frontMatterExtension
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->getFrontMatterParser()
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->parse(file_get_contents($file));
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//never trust the front end. clean it up
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$soap = (new HtmlSanitizerConfig())
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// Allow "safe" elements and attributes. All scripts will be removed
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// as well as other dangerous behaviors like CSS injection
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->allowSafeElements()
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->allowElement('div', ['class', 'title', 'id', 'style'])
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->allowElement('img', ['src', 'alt', 'title', 'class'])
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->allowElement('iframe', ['height', 'width', 'title', 'src'])
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->allowElement('table')
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->allowElement('li')
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->allowRelativeMedias()
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->allowRelativeLinks();
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$laundry = new HtmlSanitizer($soap);
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$scrubbed = $laundry->sanitize($result->getContent());
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if (isset($meta['feature'])) {
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$featureList = explode(',', $meta['feature']);
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} else {
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$featureList = "";
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}
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$docs = '';
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if (isset($meta['files'])) {
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$fileList = explode(',', $meta['files']);
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$docs = $meta['files'];
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} else {
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$fileList = [];
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$docs = '';
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}
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$media = [];
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$files = [];
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if ($featureList != '') {
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foreach ($featureList as $file) {
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$item = trim($file);
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$ext = pathinfo($item, PATHINFO_EXTENSION);
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if ($item != null || $item != '') {
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array_push($media, ['file' => $item, 'type' => trim($ext)]);
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}
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}
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}
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if ($fileList != "") {
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foreach ($fileList as $file) {
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$item = trim($file);
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$ext = pathinfo($item, PATHINFO_EXTENSION);
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if ($item != null || $item != '') {
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array_push($files, ['file' => $item, 'type' => trim($ext)]);
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}
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}
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}
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//sort attributes into page object
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$page = [
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'id' => $meta['id'],
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'uuid' => $meta['uuid'],
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'title' => $meta['title'],
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'feature' => $meta['feature'],
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'files' => $docs,
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'path' => $meta['path'],
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'layout' => $meta['layout'],
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'tags' => $meta['tags'],
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'author' => $meta['author'],
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'created' => date('Y M D d', $meta['created']),
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'updated' => date('Y M D d', $meta['updated']),
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'rawCreated' => $meta['created'],
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'rawUpdated' => $meta['updated'],
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'createdYear' => date('Y', $meta['created']),
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'createdMonth' => date('m', $meta['created']),
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'deleted' => $meta['deleted'],
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'menu' => $meta['menu'],
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'featured' => $meta['featured'],
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'published' => $meta['published'],
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'slug' => $meta['slug'],
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'filePath' => $file,
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'content' => $parsed->getContent(),
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'html' => $scrubbed,
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'media' => $media,
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'docs' => $files
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];
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//checks for duplicates
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$uuid = $meta['uuid'];
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$found = current(
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array_filter($contents, function ($item) use ($uuid) {
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return isset($item['uuid']) && $uuid == $item['uuid'];
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})
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);
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// if uuid is not present, add it
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if (!$found) {
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array_push($contents, $page);
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}
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}
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$collection = collect($contents);
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$sorted = $collection->sortBy([
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['id', 'desc'],
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]);
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$sorted->values()->all();
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return $sorted;
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}
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public static function getAll()
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{
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echo("YES");
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}
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}
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