525 lines
15 KiB
PHP
525 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* Zend Framework
|
|
*
|
|
* LICENSE
|
|
*
|
|
* This source file is subject to the new BSD license that is bundled
|
|
* with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://framework.zend.com/license/new-bsd
|
|
* If you did not receive a copy of the license and are unable to
|
|
* obtain it through the world-wide-web, please send an email
|
|
* to license@zend.com so we can send you a copy immediately.
|
|
*
|
|
* @category Zend
|
|
* @package Zend_Markup
|
|
* @subpackage Renderer
|
|
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id$
|
|
*/
|
|
|
|
/**
|
|
* @see Zend_Filter_HtmlEntities
|
|
*/
|
|
/**
|
|
* @see Zend_Filter_PregReplace
|
|
*/
|
|
/**
|
|
* @see Zend_Filter_Callback
|
|
*/
|
|
/**
|
|
* @see Zend_Markup_Renderer_RendererAbstract
|
|
*/
|
|
|
|
/**
|
|
* HTML renderer
|
|
*
|
|
* @category Zend
|
|
* @package Zend_Markup
|
|
* @subpackage Renderer
|
|
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Markup_Renderer_Html extends Zend_Markup_Renderer_RendererAbstract
|
|
{
|
|
|
|
/**
|
|
* Element groups
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $_groups = array(
|
|
'block' => array('block', 'inline', 'block-empty', 'inline-empty', 'list'),
|
|
'inline' => array('inline', 'inline-empty'),
|
|
'list' => array('list-item'),
|
|
'list-item' => array('inline', 'inline-empty', 'list'),
|
|
'block-empty' => array(),
|
|
'inline-empty' => array(),
|
|
);
|
|
|
|
/**
|
|
* The current group
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $_group = 'block';
|
|
|
|
/**
|
|
* Default attributes
|
|
*
|
|
* @var array
|
|
*/
|
|
protected static $_defaultAttributes = array(
|
|
'id' => '',
|
|
'class' => '',
|
|
'style' => '',
|
|
'lang' => '',
|
|
'title' => ''
|
|
);
|
|
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param array|Zend_Config $options
|
|
*
|
|
* @return void
|
|
*/
|
|
public function __construct($options = array())
|
|
{
|
|
if ($options instanceof Zend_Config) {
|
|
$options = $options->toArray();
|
|
}
|
|
|
|
$this->_pluginLoader = new Zend_Loader_PluginLoader(array(
|
|
'Zend_Markup_Renderer_Html' => 'Zend/Markup/Renderer/Html/'
|
|
));
|
|
|
|
if (!isset($options['useDefaultMarkups']) && isset($options['useDefaultTags'])) {
|
|
$options['useDefaultMarkups'] = $options['useDefaultTags'];
|
|
}
|
|
if (isset($options['useDefaultMarkups']) && ($options['useDefaultMarkups'] !== false)) {
|
|
$this->_defineDefaultMarkups();
|
|
} elseif (!isset($options['useDefaultMarkups'])) {
|
|
$this->_defineDefaultMarkups();
|
|
}
|
|
|
|
parent::__construct($options);
|
|
}
|
|
|
|
/**
|
|
* Define the default markups
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _defineDefaultMarkups()
|
|
{
|
|
$this->_markups = array(
|
|
'b' => array(
|
|
'type' => 10, // self::TYPE_REPLACE | self::TAG_NORMAL
|
|
'tag' => 'strong',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'u' => array(
|
|
'type' => 10,
|
|
'tag' => 'span',
|
|
'attributes' => array(
|
|
'style' => 'text-decoration: underline;',
|
|
),
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'i' => array(
|
|
'type' => 10,
|
|
'tag' => 'em',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'cite' => array(
|
|
'type' => 10,
|
|
'tag' => 'cite',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'del' => array(
|
|
'type' => 10,
|
|
'tag' => 'del',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'ins' => array(
|
|
'type' => 10,
|
|
'tag' => 'ins',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'sub' => array(
|
|
'type' => 10,
|
|
'tag' => 'sub',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'sup' => array(
|
|
'type' => 10,
|
|
'tag' => 'sup',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'span' => array(
|
|
'type' => 10,
|
|
'tag' => 'span',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'acronym' => array(
|
|
'type' => 10,
|
|
'tag' => 'acronym',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
// headings
|
|
'h1' => array(
|
|
'type' => 10,
|
|
'tag' => 'h1',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'h2' => array(
|
|
'type' => 10,
|
|
'tag' => 'h2',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'h3' => array(
|
|
'type' => 10,
|
|
'tag' => 'h3',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'h4' => array(
|
|
'type' => 10,
|
|
'tag' => 'h4',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'h5' => array(
|
|
'type' => 10,
|
|
'tag' => 'h5',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'h6' => array(
|
|
'type' => 10,
|
|
'tag' => 'h6',
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
// callback tags
|
|
'url' => array(
|
|
'type' => 6, // self::TYPE_CALLBACK | self::TAG_NORMAL
|
|
'callback' => null,
|
|
'group' => 'inline',
|
|
'filter' => true,
|
|
),
|
|
'img' => array(
|
|
'type' => 6,
|
|
'callback' => null,
|
|
'group' => 'inline-empty',
|
|
'filter' => true,
|
|
),
|
|
'code' => array(
|
|
'type' => 6,
|
|
'callback' => null,
|
|
'group' => 'block-empty',
|
|
'filter' => false,
|
|
),
|
|
'p' => array(
|
|
'type' => 10,
|
|
'tag' => 'p',
|
|
'group' => 'block',
|
|
'filter' => true,
|
|
),
|
|
'ignore' => array(
|
|
'type' => 10,
|
|
'start' => '',
|
|
'end' => '',
|
|
'group' => 'block-empty',
|
|
'filter' => true,
|
|
),
|
|
'quote' => array(
|
|
'type' => 10,
|
|
'tag' => 'blockquote',
|
|
'group' => 'block',
|
|
'filter' => true,
|
|
),
|
|
'list' => array(
|
|
'type' => 6,
|
|
'callback' => null,
|
|
'group' => 'list',
|
|
'filter' => new Zend_Filter_PregReplace('/.*/is', ''),
|
|
),
|
|
'*' => array(
|
|
'type' => 10,
|
|
'tag' => 'li',
|
|
'group' => 'list-item',
|
|
'filter' => true,
|
|
),
|
|
'hr' => array(
|
|
'type' => 9, // self::TYPE_REPLACE | self::TAG_SINGLE
|
|
'tag' => 'hr',
|
|
'group' => 'block',
|
|
'empty' => true,
|
|
),
|
|
// aliases
|
|
'bold' => array(
|
|
'type' => 16,
|
|
'name' => 'b',
|
|
),
|
|
'strong' => array(
|
|
'type' => 16,
|
|
'name' => 'b',
|
|
),
|
|
'italic' => array(
|
|
'type' => 16,
|
|
'name' => 'i',
|
|
),
|
|
'em' => array(
|
|
'type' => 16,
|
|
'name' => 'i',
|
|
),
|
|
'emphasized' => array(
|
|
'type' => 16,
|
|
'name' => 'i',
|
|
),
|
|
'underline' => array(
|
|
'type' => 16,
|
|
'name' => 'u',
|
|
),
|
|
'citation' => array(
|
|
'type' => 16,
|
|
'name' => 'cite',
|
|
),
|
|
'deleted' => array(
|
|
'type' => 16,
|
|
'name' => 'del',
|
|
),
|
|
'insert' => array(
|
|
'type' => 16,
|
|
'name' => 'ins',
|
|
),
|
|
'strike' => array(
|
|
'type' => 16,
|
|
'name' => 's',
|
|
),
|
|
's' => array(
|
|
'type' => 16,
|
|
'name' => 'del',
|
|
),
|
|
'subscript' => array(
|
|
'type' => 16,
|
|
'name' => 'sub',
|
|
),
|
|
'superscript' => array(
|
|
'type' => 16,
|
|
'name' => 'sup',
|
|
),
|
|
'a' => array(
|
|
'type' => 16,
|
|
'name' => 'url',
|
|
),
|
|
'image' => array(
|
|
'type' => 16,
|
|
'name' => 'img',
|
|
),
|
|
'li' => array(
|
|
'type' => 16,
|
|
'name' => '*',
|
|
),
|
|
'color' => array(
|
|
'type' => 16,
|
|
'name' => 'span',
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Add the default filters
|
|
*
|
|
* @return void
|
|
*/
|
|
public function addDefaultFilters()
|
|
{
|
|
$this->_defaultFilter = new Zend_Filter();
|
|
|
|
$this->_defaultFilter->addFilter(new Zend_Filter_HtmlEntities(array('encoding' => self::getEncoding())));
|
|
$this->_defaultFilter->addFilter(new Zend_Filter_Callback('nl2br'));
|
|
}
|
|
|
|
/**
|
|
* Execute a replace token
|
|
*
|
|
* @param Zend_Markup_Token $token
|
|
* @param array $markup
|
|
* @return string
|
|
*/
|
|
protected function _executeReplace(Zend_Markup_Token $token, $markup)
|
|
{
|
|
if (isset($markup['tag'])) {
|
|
if (!isset($markup['attributes'])) {
|
|
$markup['attributes'] = array();
|
|
}
|
|
$attrs = self::renderAttributes($token, $markup['attributes']);
|
|
return "<{$markup['tag']}{$attrs}>{$this->_render($token)}</{$markup['tag']}>";
|
|
}
|
|
|
|
return parent::_executeReplace($token, $markup);
|
|
}
|
|
|
|
/**
|
|
* Execute a single replace token
|
|
*
|
|
* @param Zend_Markup_Token $token
|
|
* @param array $markup
|
|
* @return string
|
|
*/
|
|
protected function _executeSingleReplace(Zend_Markup_Token $token, $markup)
|
|
{
|
|
if (isset($markup['tag'])) {
|
|
if (!isset($markup['attributes'])) {
|
|
$markup['attributes'] = array();
|
|
}
|
|
$attrs = self::renderAttributes($token, $markup['attributes']);
|
|
return "<{$markup['tag']}{$attrs} />";
|
|
}
|
|
return parent::_executeSingleReplace($token, $markup);
|
|
}
|
|
|
|
/**
|
|
* Render some attributes
|
|
*
|
|
* @param Zend_Markup_Token $token
|
|
* @param array $attributes
|
|
* @return string
|
|
*/
|
|
public static function renderAttributes(Zend_Markup_Token $token, array $attributes = array())
|
|
{
|
|
$attributes = array_merge(self::$_defaultAttributes, $attributes);
|
|
|
|
$return = '';
|
|
|
|
$tokenAttributes = $token->getAttributes();
|
|
|
|
// correct style attribute
|
|
if (isset($tokenAttributes['style'])) {
|
|
$tokenAttributes['style'] = trim($tokenAttributes['style']);
|
|
|
|
if ($tokenAttributes['style'][strlen($tokenAttributes['style']) - 1] != ';') {
|
|
$tokenAttributes['style'] .= ';';
|
|
}
|
|
} else {
|
|
$tokenAttributes['style'] = '';
|
|
}
|
|
|
|
// special treathment for 'align' and 'color' attribute
|
|
if (isset($tokenAttributes['align'])) {
|
|
$tokenAttributes['style'] .= 'text-align: ' . $tokenAttributes['align'] . ';';
|
|
unset($tokenAttributes['align']);
|
|
}
|
|
if (isset($tokenAttributes['color']) && self::checkColor($tokenAttributes['color'])) {
|
|
$tokenAttributes['style'] .= 'color: ' . $tokenAttributes['color'] . ';';
|
|
unset($tokenAttributes['color']);
|
|
}
|
|
|
|
/*
|
|
* loop through all the available attributes, and check if there is
|
|
* a value defined by the token
|
|
* if there is no value defined by the token, use the default value or
|
|
* don't set the attribute
|
|
*/
|
|
foreach ($attributes as $attribute => $value) {
|
|
if (isset($tokenAttributes[$attribute]) && !empty($tokenAttributes[$attribute])) {
|
|
$return .= ' ' . $attribute . '="' . htmlentities($tokenAttributes[$attribute],
|
|
ENT_QUOTES,
|
|
self::getEncoding()) . '"';
|
|
} elseif (!empty($value)) {
|
|
$return .= ' ' . $attribute . '="' . htmlentities($value, ENT_QUOTES, self::getEncoding()) . '"';
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Check if a color is a valid HTML color
|
|
*
|
|
* @param string $color
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function checkColor($color)
|
|
{
|
|
/*
|
|
* aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive,
|
|
* purple, red, silver, teal, white, and yellow.
|
|
*/
|
|
$colors = array(
|
|
'aqua', 'black', 'blue', 'fuchsia', 'gray', 'green', 'lime',
|
|
'maroon', 'navy', 'olive', 'purple', 'red', 'silver', 'teal',
|
|
'white', 'yellow'
|
|
);
|
|
|
|
if (in_array($color, $colors)) {
|
|
return true;
|
|
}
|
|
|
|
if (preg_match('/\#[0-9a-f]{6}/i', $color)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if the URI is valid
|
|
*
|
|
* @param string $uri
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function isValidUri($uri)
|
|
{
|
|
if (!preg_match('/^([a-z][a-z+\-.]*):/i', $uri, $matches)) {
|
|
return false;
|
|
}
|
|
|
|
$scheme = strtolower($matches[1]);
|
|
|
|
switch ($scheme) {
|
|
case 'javascript':
|
|
// JavaScript scheme is not allowed for security reason
|
|
return false;
|
|
|
|
case 'http':
|
|
case 'https':
|
|
case 'ftp':
|
|
$components = @parse_url($uri);
|
|
|
|
if ($components === false) {
|
|
return false;
|
|
}
|
|
|
|
if (!isset($components['host'])) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
}
|