Added Purifier and Markdown helpers, added composer.lock

composer.json

@@ -70,6 +70,7 @@
 		"php": ">=5.3.0",
 		"michelf/php-markdown": "1.3",
 		"twig/twig": "1.12.*",
-		"smarty/smarty": "3.1.*"
+		"smarty/smarty": "3.1.*",
+		"ezyang/htmlpurifier": "v4.5.0"
 	}
 }

framework/helpers/Markdown.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @link http://www.yiiframework.com/
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\helpers;
+
+/**
+ * Markdown provides an ability to transform markdown into HTML.
+ *
+ * Basic usage is the following:
+ *
+ * ```php
+ * $my_html = Markdown::process($my_text);
+ * ```
+ *
+ * If you want to configure the parser:
+ *
+ * ```php
+ * $my_html = Markdown::process($my_text, array(
+ *     'fn_id_prefix' => 'footnote_',
+ * ));
+ * ```
+ *
+ * For more details please refer to [PHP Markdown library documentation](http://michelf.ca/projects/php-markdown/).
+ * @author Alexander Makarov <[email protected]>
+ * @since 2.0
+ */
+class Markdown extends base\Markdown
+{
+}

framework/helpers/Purifier.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @link http://www.yiiframework.com/
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\helpers;
+
+/**
+ * Purifier provides an ability to clean up HTML from any harmful code.
+ *
+ * Basic usage is the following:
+ *
+ * ```php
+ * $my_html = Purifier::process($my_text);
+ * ```
+ *
+ * If you want to configure it:
+ *
+ * ```php
+ * $my_html = Purifier::process($my_text, array(
+ *     'Attr.EnableID' => true,
+ * ));
+ * ```
+ *
+ * For more details please refer to HTMLPurifier documentation](http://htmlpurifier.org/).
+ *
+ * @author Alexander Makarov <[email protected]>
+ * @since 2.0
+ */
+class Purifier extends base\Purifier
+{
+}

framework/helpers/base/Markdown.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @link http://www.yiiframework.com/
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\helpers\base;
+
+\Yii::setAlias('@Michelf', \Yii::getAlias('@yii').'/../vendor/michelf/php-markdown/Michelf');
+use Michelf\MarkdownExtra;
+
+/**
+ * Markdown provides an ability to transform markdown into HTML.
+ *
+ * Basic usage is the following:
+ *
+ * ```php
+ * $my_html = Markdown::process($my_text);
+ * ```
+ *
+ * If you want to configure the parser:
+ *
+ * ```php
+ * $my_html = Markdown::process($my_text, array(
+ *     'fn_id_prefix' => 'footnote_',
+ * ));
+ * ```
+ *
+ * For more details please refer to [PHP Markdown library documentation](http://michelf.ca/projects/php-markdown/).
+ * @author Alexander Makarov <[email protected]>
+ * @since 2.0
+ */
+class Markdown
+{
+	/**
+	 * @var MarkdownExtra
+	 */
+	protected static $markdown;
+
+	public static function process($content, $config = array())
+	{
+		if (static::$markdown===null) {
+			static::$markdown = new MarkdownExtra();
+		}
+		foreach ($config as $name => $value) {
+			static::$markdown->{$name} = $value;
+		}
+		return static::$markdown->transform($content);
+	}
+}

framework/helpers/base/Purifier.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @link http://www.yiiframework.com/
+ * @license http://www.yiiframework.com/license/
+ */
+namespace yii\helpers\base;
+
+if (!class_exists('HTMLPurifier_Bootstrap', false)) {
+	require_once(\Yii::getAlias('@yii').'/../vendor/ezyang/htmlpurifier/library'.DIRECTORY_SEPARATOR.'HTMLPurifier.auto.php');
+}
+
+/**
+ * Purifier provides an ability to clean up HTML from any harmful code.
+ *
+ * Basic usage is the following:
+ *
+ * ```php
+ * $my_html = Purifier::process($my_text);
+ * ```
+ *
+ * If you want to configure it:
+ *
+ * ```php
+ * $my_html = Purifier::process($my_text, array(
+ *     'Attr.EnableID' => true,
+ * ));
+ * ```
+ *
+ * For more details please refer to HTMLPurifier documentation](http://htmlpurifier.org/).
+ *
+ * @author Alexander Makarov <[email protected]>
+ * @since 2.0
+ */
+class Purifier
+{
+	public static function process($content, $config = null)
+	{
+		$purifier=\HTMLPurifier::instance($config);
+		$purifier->config->set('Cache.SerializerPath', \Yii::$app->getRuntimePath());
+		return $purifier->purify($content);
+	}
+}