_cloak($row->text, $params);
}
return $this->_cloak($row, $params);
}
/**
* Generate a search pattern based on link and text.
*
* @param string $link The target of an email link.
* @param string $text The text enclosed by the link.
*
* @return string A regular expression that matches a link containing the parameters.
*/
protected function _getPattern ($link, $text)
{
$pattern = '~(?:' . $text . '~i';
return $pattern;
}
/**
* Adds an attributes to the js cloaked email.
*
* @param string $jsEmail Js cloaked email.
* @param string $before Attributes before email.
* @param string $after Attributes after email.
*
* @return string Js cloaked email with attributes.
*/
protected function _addAttributesToEmail($jsEmail, $before, $after)
{
if ($before !== "")
{
$before = str_replace("'", "\'", $before);
$jsEmail = str_replace("document.write('');", "'\'{$after}>');", $jsEmail);
}
return $jsEmail;
}
/**
* Cloak all emails in text from spambots via Javascript.
*
* @param string &$text The string to be cloaked.
* @param mixed &$params Additional parameters. Parameter "mode" (integer, default 1)
* replaces addresses with "mailto:" links if nonzero.
*
* @return boolean True on success.
*/
protected function _cloak(&$text, &$params)
{
/*
* Check for presence of {emailcloak=off} which is explicits disables this
* bot for the item.
*/
if (JString::strpos($text, '{emailcloak=off}') !== false)
{
$text = JString::str_ireplace('{emailcloak=off}', '', $text);
return true;
}
// Simple performance check to determine whether bot should process further.
if (JString::strpos($text, '@') === false)
{
return true;
}
$mode = $this->params->def('mode', 1);
// any@email.address.com
$searchEmail = '([\w\.\-]+\@(?:[a-z0-9\.\-]+\.)+(?:[a-zA-Z0-9\-]{2,10}))';
// any@email.address.com?subject=anyText
$searchEmailLink = $searchEmail . '([?&][\x20-\x7f][^"<>]+)';
// Any Text
$searchText = '([\x20-\x7f][^<>]+)';
// Any Image link
$searchImage = "(]+>)";
/*
* Search and fix derivatives of link code email@email.com. This happens when inserting an email in TinyMCE, cancelling its suggestion to add
* the mailto: prefix...
*/
$pattern = $this->_getPattern($searchEmail, $searchEmail);
$pattern = str_replace('"mailto:', '"http://mce_host([\x20-\x7f][^<>]+/)', $pattern);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[3][0];
$mailText = $regs[5][0];
// Check to see if mail text is different from mail addy
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[4][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search and fix derivatives of link code anytext. This happens when inserting an email in TinyMCE, cancelling its suggestion to add
* the mailto: prefix...
*/
$pattern = $this->_getPattern($searchEmail, $searchText);
$pattern = str_replace('"mailto:', '"http://mce_host([\x20-\x7f][^<>]+/)', $pattern);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[3][0];
$mailText = $regs[5][0];
// Check to see if mail text is different from mail addy
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText, 0);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[4][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search for derivatives of link code email@amail.com
*/
$pattern = $this->_getPattern($searchEmail, $searchEmail);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[2][0];
$mailText = $regs[4][0];
// Check to see if mail text is different from mail addy
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[3][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search for derivatives of link code
* anytext
*/
$pattern = $this->_getPattern($searchEmail, $searchText);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[2][0];
$mailText = $regs[4][0];
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText, 0);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[3][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search for derivatives of link code
* ![]()
*/
$pattern = $this->_getPattern($searchEmail, $searchImage);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[2][0];
$mailText = $regs[4][0];
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText, 0);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[3][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search for derivatives of link code email@amail.com
*/
$pattern = $this->_getPattern($searchEmailLink, $searchEmail);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[2][0] . $regs[3][0];
$mailText = $regs[5][0];
// Needed for handling of Body parameter
$mail = str_replace('&', '&', $mail);
// Check to see if mail text is different from mail addy
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[4][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
/*
* Search for derivatives of link code anytext
*/
$pattern = $this->_getPattern($searchEmailLink, $searchText);
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[2][0] . $regs[3][0];
$mailText = $regs[5][0];
// Needed for handling of Body parameter
$mail = str_replace('&', '&', $mail);
$replacement = JHtml::_('email.cloak', $mail, $mode, $mailText, 0);
// Ensure that attributes is not stripped out by email cloaking
$replacement = $this->_addAttributesToEmail($replacement, $regs[1][0], $regs[4][0]);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[0][1], strlen($regs[0][0]));
}
// Search for plain text email@amail.com
$pattern = '~' . $searchEmail . '([^a-z0-9]|$)~i';
while (preg_match($pattern, $text, $regs, PREG_OFFSET_CAPTURE))
{
$mail = $regs[1][0];
$replacement = JHtml::_('email.cloak', $mail, $mode);
// Replace the found address with the js cloaked email
$text = substr_replace($text, $replacement, $regs[1][1], strlen($mail));
}
return true;
}
}