Merge pull request #44 from Morkhusz/issue-39-target_blank

Proposta de solução para a issue #39

app/Site/Parsers/MarkdownParser.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Phpsp\Site\Parsers;
+
+use Mni\FrontYAML\Markdown\MarkdownParser as BaseParser;
+
+class MarkdownParser implements BaseParser
+{
+
+    /**
+     * MarkdownParser constructor.
+     */
+    public function __construct(Parsedown $parser)
+    {
+        $this->parser = $parser;
+    }
+
+    /**
+     * @param  string $markdown
+     * @return  string
+     */
+    public function parse($markdown)
+    {
+        return $this->parser->parse($markdown);
+    }
+}

app/Site/Parsers/Parsedown.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Phpsp\Site\Parsers;
+
+use ParsedownExtra as BaseParsedown;
+
+class Parsedown extends BaseParsedown
+{
+    private $internalHostName;
+
+    public function __construct(string $internalHostName)
+    {
+        parent::__construct();
+        $this->internalHostName = $internalHostName;
+    }
+
+    /**
+     * Extra link handling
+     * @param  array $excerpt
+     * @return array
+     */
+    protected function inlineLink($excerpt)
+    {
+        $link = parent::inlineLink($excerpt);
+        if (!isset($link)) {
+            return null;
+        }
+        $href = $link['element']['attributes']['href'];
+        $ext = strtolower(pathinfo($href, PATHINFO_EXTENSION));
+        $isImage = in_array($ext, ['gif', 'jpg', 'jpeg', 'png', 'svg']);
+
+        // 1. Add target and rel to external links
+        if ($this->isExternalUrl($href) && !$isImage) {
+            $link['element']['attributes']['rel'] = 'nofollow';
+        }
+
+        return $link;
+    }
+
+    /**
+     * Check if a URL is internal or external
+     * @param string $url
+     * @param null $internalHostName
+     * @return bool
+     */
+    protected function isExternalUrl($url)
+    {
+        $parsedUrl = parse_url($url);
+        if (empty($parsedUrl['host'])) {
+            return false;
+        }
+        $parsedInternalHostUrl = parse_url($this->internalHostName);
+        if (strcasecmp($parsedUrl['host'], $parsedInternalHostUrl['host']) === 0) {
+            return false;
+        }
+
+        $isNotSubdomain = strpos(strtolower($parsedUrl['host']), strtolower($parsedInternalHostUrl['host'])) == false;
+
+        return $isNotSubdomain;
+    }
+}

bootstrap.php

@@ -1,6 +1,9 @@
 <?php
 
 use TightenCo\Jigsaw\Jigsaw;
+use Mni\FrontYAML\Markdown\MarkdownParser as BaseParser;
+use Phpsp\Site\Parsers\MarkdownParser;
+use Phpsp\Site\Parsers\Parsedown;
 
 /** @var $container \Illuminate\Container\Container */
 /** @var $events \TightenCo\Jigsaw\Events\EventBus */
@@ -15,3 +18,8 @@
  *     // Your code here
  * });
  */
+
+$container->bind(BaseParser::class, MarkdownParser::class);
+$container->bind(Parsedown::class, function ($app) {
+    return new Parsedown($app->config['baseUrl']);
+});

composer.json

@@ -4,10 +4,12 @@
   "description": "PHPSP Website - Site estático gerado via Jigsaw",
   "require": {
     "php": ">=7.2",
-    "tightenco/jigsaw": "^v1.3.8"
+    "tightenco/jigsaw": "^v1.3.8",
+    "mnapoli/front-yaml": "^1.6.0"
   },
   "autoload": {
     "psr-4": {
+      "Phpsp\\": "app/"
     }
   },
   "authors": [