/**
* Encrypt the email before parsing it within tags.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
if (empty($tag['attributes']['default'])) {
$email = $content;
$default = false;
} else {
$email = $tag['attributes']['default'];
$default = true;
}
// Return an invalid email
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
return $content;
}
$encrypted = '';
if ($this->config('encrypt')) {
$length = strlen($email);
if ($length > 0) {
for ($i = 0; $i < $length; ++$i) {
$encrypted .= '&#' . ord(substr($email, $i, 1)) . ';';
}
}
} else {
$encrypted = $email;
}
$tag['attributes']['href'] = 'mailto:' . $encrypted;
if ($this->getParser()->config('shorthand')) {
$tag['content'] = $this->message('mail');
return '[' . parent::parse($tag, $content) . ']';
}
if (!$default) {
$tag['content'] = $encrypted;
}
return parent::parse($tag, $content);
}
/**
* Use the content as the image source.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
// If more than 1 http:// is found in the string, possible XSS attack
if (substr_count($content, 'http://') + substr_count($content, 'https://') > 1) {
return null;
}
$tag['attributes']['src'] = $content;
if (empty($tag['attributes']['alt'])) {
$tag['attributes']['alt'] = '';
}
return parent::parse($tag, $content);
}
/**
* Custom build the HTML for videos.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
$provider = $tag['attributes']['default'];
$size = strtolower(isset($tag['attributes']['size']) ? $tag['attributes']['size'] : 'medium');
if (empty($this->_formats[$provider])) {
return sprintf('(Invalid %s video code)', $provider);
}
$video = $this->_formats[$provider];
$size = isset($video[$size]) ? $video[$size] : $video['medium'];
$tag['attributes']['width'] = $size[0];
$tag['attributes']['height'] = $size[1];
$tag['attributes']['player'] = $video['player'];
$tag['attributes']['url'] = str_replace(array('{id}', '{width}', '{height}'), array($content, $size[0], $size[1]), $video['path']);
return parent::parse($tag, $content);
}
/**
* Using shorthand variation if enabled.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function parse(array $tag, $content)
{
$url = isset($tag['attributes']['href']) ? $tag['attributes']['href'] : $content;
$protocols = $this->config('protocols');
// Return an invalid URL
if (!filter_var($url, FILTER_VALIDATE_URL) || !preg_match('/^(' . implode('|', $protocols) . ')/i', $url)) {
return $url;
}
$tag['attributes']['href'] = $url;
if ($this->getParser()->config('shorthand')) {
$tag['content'] = $this->message('link');
return '[' . parent::parse($tag, $content) . ']';
}
return parent::parse($tag, $content);
}
/**
* Strip a node but keep the URL regardless of location.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function strip(array $tag, $content)
{
$url = isset($tag['attributes']['href']) ? $tag['attributes']['href'] : $content;
return parent::strip($tag, $url);
}
/**
* Strip a node but keep the email regardless of location.
*
* @access public
* @param array $tag
* @param string $content
* @return string
*/
public function strip(array $tag, $content)
{
$email = isset($tag['attributes']['default']) ? $tag['attributes']['default'] : $content;
return parent::strip($tag, $email);
}
