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snappymail/rainloop/v/0.0.0/app/libraries/MailSo/Base/HtmlUtils.php

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v1.2.5.406
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<?php
namespace MailSo\Base;
/**
* @category MailSo
* @package Base
*/
class HtmlUtils
{
/**
* @access private
*/
private function __construct()
{
}
/**
* @param string $sText
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* @param string $sHtmlAttrs = ''
* @param string $sBodyAttrs = ''
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*
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* @return \DOMDocument|bool
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*/
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public static function GetDomFromText($sText, $sHtmlAttrs = '', $sBodyAttrs = '')
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{
static $bOnce = true;
if ($bOnce)
{
$bOnce = false;
if (\MailSo\Base\Utils::FunctionExistsAndEnabled('libxml_use_internal_errors'))
{
@\libxml_use_internal_errors(true);
}
}
$oDom = new \DOMDocument('1.0', 'utf-8');
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$oDom->encoding = 'UTF-8';
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@$oDom->loadHTML(
'<'.'?xml version="1.0" encoding="utf-8"?'.'>'.
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'<html '.$sHtmlAttrs.'><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body '.$sBodyAttrs.'>'.$sText.'</body></html>'
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);
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return $oDom;
}
/**
* @param string $sHtml
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* @param string $sHtmlAttrs = '
* @param string $sBodyAttrs = ''
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*
* @return string
*/
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public static function ClearBodyAndHtmlTag($sHtml, &$sHtmlAttrs = '', &$sBodyAttrs = '')
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{
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$aMatch = array();
if (preg_match('/<html([^>]+)>/im', $sHtml, $aMatch) && !empty($aMatch[1]))
{
$sHtmlAttrs = $aMatch[1];
}
$aMatch = array();
if (preg_match('/<body([^>]+)>/im', $sHtml, $aMatch) && !empty($aMatch[1]))
{
$sBodyAttrs = $aMatch[1];
}
$sHtml = \preg_replace('/<body([^>]*)>/im', '', $sHtml);
$sHtml = \preg_replace('/<\/body>/im', '', $sHtml);
$sHtml = \preg_replace('/<html([^>]*)>/im', '', $sHtml);
$sHtml = \preg_replace('/<\/html>/im', '', $sHtml);
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return $sHtml;
}
/**
* @param string $sHtml
*
* @return string
*/
public static function ClearTags($sHtml)
{
$aRemoveTags = array(
'head', 'link', 'base', 'meta', 'title', 'style', 'script', 'bgsound',
'object', 'embed', 'applet', 'mocha', 'iframe', 'frame', 'frameset'
);
$aToRemove = array(
'/<!doctype[^>]*>/msi',
'/<\?xml [^>]*\?>/msi'
);
foreach ($aRemoveTags as $sTag)
{
$aToRemove[] = '\'<'.$sTag.'[^>]*>.*?</[\s]*'.$sTag.'>\'msi';
$aToRemove[] = '\'<'.$sTag.'[^>]*>\'msi';
$aToRemove[] = '\'</[\s]*'.$sTag.'[^>]*>\'msi';
}
return \preg_replace($aToRemove, '', $sHtml);
}
/**
* @param string $sHtml
*
* @return string
*/
public static function ClearOn($sHtml)
{
$aToReplace = array(
'/on(Blur)/si',
'/on(Change)/si',
'/on(Click)/si',
'/on(DblClick)/si',
'/on(Error)/si',
'/on(Focus)/si',
'/on(KeyDown)/si',
'/on(KeyPress)/si',
'/on(KeyUp)/si',
'/on(Load)/si',
'/on(MouseDown)/si',
'/on(MouseEnter)/si',
'/on(MouseLeave)/si',
'/on(MouseMove)/si',
'/on(MouseOut)/si',
'/on(MouseOver)/si',
'/on(MouseUp)/si',
'/on(Move)/si',
'/on(Resize)/si',
'/on(ResizeEnd)/si',
'/on(ResizeStart)/si',
'/on(Scroll)/si',
'/on(Select)/si',
'/on(Submit)/si',
'/on(Unload)/si'
);
return \preg_replace($aToReplace, 'оn\\1', $sHtml);
}
/**
*
* @param string $sStyle
* @param \DOMElement $oElement
* @param bool $bHasExternals
* @param array $aFoundCIDs
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* @param array $aContentLocationUrls
* @param array $aFoundedContentLocationUrls
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*
* @return string
*/
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public static function ClearStyle($sStyle, $oElement, &$bHasExternals, &$aFoundCIDs, $aContentLocationUrls, &$aFoundedContentLocationUrls)
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{
$sStyle = \trim($sStyle);
$aOutStyles = array();
$aStyles = \explode(';', $sStyle);
$aMatch = array();
foreach ($aStyles as $sStyleItem)
{
$aStyleValue = \explode(':', $sStyleItem, 2);
$sName = \trim(\strtolower($aStyleValue[0]));
$sValue = isset($aStyleValue[1]) ? \trim($aStyleValue[1]) : '';
if ('position' === $sName && 'fixed' === \strtolower($sValue))
{
$sValue = 'absolute';
}
if (0 === \strlen($sName) || 0 === \strlen($sValue))
{
continue;
}
$sStyleItem = $sName.': '.$sValue;
$aStyleValue = array($sName, $sValue);
/*if (\in_array($sName, array('position', 'left', 'right', 'top', 'bottom', 'behavior', 'cursor')))
{
// skip
}
else */if (\in_array($sName, array('behavior', 'cursor')) ||
('display' === $sName && 'none' === \strtolower($sValue)) ||
\preg_match('/expression/i', $sValue) ||
('text-indent' === $sName && '-' === \substr(trim($sValue), 0, 1))
)
{
// skip
}
else if (\in_array($sName, array('background-image', 'background', 'list-style-image', 'content'))
&& \preg_match('/url[\s]?\(([^)]+)\)/im', $sValue, $aMatch) && !empty($aMatch[1]))
{
$sFullUrl = \trim($aMatch[0], '"\' ');
$sUrl = \trim($aMatch[1], '"\' ');
$sStyleValue = \trim(\preg_replace('/[\s]+/', ' ', \str_replace($sFullUrl, '', $sValue)));
$sStyleItem = empty($sStyleValue) ? '' : $sName.': '.$sStyleValue;
if ('cid:' === \strtolower(\substr($sUrl, 0, 4)))
{
if ($oElement)
{
$oElement->setAttribute('data-x-style-cid-name',
'background' === $sName ? 'background-image' : $sName);
$oElement->setAttribute('data-x-style-cid', \substr($sUrl, 4));
$aFoundCIDs[] = \substr($sUrl, 4);
}
}
else
{
if ($oElement)
{
if (\preg_match('/http[s]?:\/\//i', $sUrl))
{
$bHasExternals = true;
if (\in_array($sName, array('background-image', 'list-style-image', 'content')))
{
$sStyleItem = '';
}
$sTemp = '';
if ($oElement->hasAttribute('data-x-style-url'))
{
$sTemp = \trim($oElement->getAttribute('data-x-style-url'));
}
$sTemp = empty($sTemp) ? '' : (';' === \substr($sTemp, -1) ? $sTemp.' ' : $sTemp.'; ');
$oElement->setAttribute('data-x-style-url', \trim($sTemp.
('background' === $sName ? 'background-image' : $sName).': '.$sFullUrl, ' ;'));
}
else if ('data:image/' !== \strtolower(\substr(\trim($sUrl), 0, 11)))
{
$oElement->setAttribute('data-x-broken-style-src', $sFullUrl);
}
}
}
if (!empty($sStyleItem))
{
$aOutStyles[] = $sStyleItem;
}
}
else if ('height' === $sName)
{
// $aOutStyles[] = 'min-'.ltrim($sStyleItem);
$aOutStyles[] = $sStyleItem;
}
else
{
$aOutStyles[] = $sStyleItem;
}
}
return \implode(';', $aOutStyles);
}
/**
* @param string $sHtml
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* @param bool $bHasExternals = false
* @param array $aFoundCIDs = array()
* @param array $aContentLocationUrls = array()
* @param array $aFoundedContentLocationUrls = array()
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*
* @return string
*/
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public static function ClearHtml($sHtml, &$bHasExternals = false, &$aFoundCIDs = array(),
$aContentLocationUrls = array(), &$aFoundedContentLocationUrls = array())
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{
$sHtml = null === $sHtml ? '' : (string) $sHtml;
$sHtml = \trim($sHtml);
if (0 === \strlen($sHtml))
{
return '';
}
$bHasExternals = false;
$sHtml = \MailSo\Base\HtmlUtils::ClearTags($sHtml);
$sHtml = \MailSo\Base\HtmlUtils::ClearOn($sHtml);
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$sHtmlAttrs = $sBodyAttrs = '';
$sHtml = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sHtml, $sHtmlAttrs, $sBodyAttrs);
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// Dom Part
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$oDom = \MailSo\Base\HtmlUtils::GetDomFromText($sHtml, $sHtmlAttrs, $sBodyAttrs);
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unset($sHtml);
if ($oDom)
{
$aNodes = $oDom->getElementsByTagName('*');
foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
{
$sTagNameLower = \strtolower($oElement->tagName);
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// convert body attributes to styles
if ('body' === $sTagNameLower)
{
$aMargins = array(
$oElement->hasAttribute('topmargin')
? \trim($oElement->getAttribute('topmargin')) : '',
$oElement->hasAttribute('leftmargin')
? \trim($oElement->getAttribute('leftmargin')) : '',
$oElement->hasAttribute('bottommargin')
? \trim($oElement->getAttribute('bottommargin')) : '',
$oElement->hasAttribute('rightmargin')
? \trim($oElement->getAttribute('rightmargin')) : '',
);
$sText = $oElement->hasAttribute('text') ? \trim($oElement->getAttribute('text')) : '';
$aStyles = array();
if (!empty($sText))
{
$aStyles[] = 'color: '.$sText;
$oElement->removeAttribute('text');
}
foreach ($aMargins as $iIndex => $sItem)
{
if ('' !== $sItem)
{
switch ($iIndex) {
case 0:
$aStyles[] = 'margin-top: '.((int) $sItem).'px';
$oElement->removeAttribute('topmargin');
break;
case 1:
$aStyles[] = 'margin-left: '.((int) $sItem).'px';
$oElement->removeAttribute('leftmargin');
break;
case 2:
$aStyles[] = 'margin-bottom: '.((int) $sItem).'px';
$oElement->removeAttribute('bottommargin');
break;
case 3:
$aStyles[] = 'margin-right: '.((int) $sItem).'px';
$oElement->removeAttribute('rightmargin');
break;
}
}
}
$sStyles = $oElement->hasAttribute('style') ? $oElement->getAttribute('style') : '';
$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
}
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if ('iframe' === $sTagNameLower || 'frame' === $sTagNameLower)
{
$oElement->setAttribute('src', 'javascript:false');
}
if (\in_array($sTagNameLower, array('a', 'form', 'area')))
{
$oElement->setAttribute('target', '_blank');
}
if (\in_array($sTagNameLower, array('a', 'form', 'area', 'input', 'button', 'textarea')))
{
$oElement->setAttribute('tabindex', '-1');
}
// if ('blockquote' === $sTagNameLower)
// {
// $oElement->removeAttribute('style');
// }
@$oElement->removeAttribute('id');
@$oElement->removeAttribute('class');
@$oElement->removeAttribute('contenteditable');
@$oElement->removeAttribute('designmode');
@$oElement->removeAttribute('data-bind');
v1.3.9.484 + Default Domain (AdminPanel/Login Screen) + Use short login form (AdminPanel/Domain) + Add unminified css file (app.css) * update jquery (1.10.3) * update jquery-ui (1.10.1) * update Lazy Load plugin (1.9.0) * update mousewheel plugin (3.1.4) - remove headjs
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@$oElement->removeAttribute('xmlns');
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if ($oElement->hasAttribute('src'))
{
$sSrc = \trim($oElement->getAttribute('src'));
$oElement->removeAttribute('src');
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if (\in_array($sSrc, $aContentLocationUrls))
{
$oElement->setAttribute('data-x-src-location', $sSrc);
$aFoundedContentLocationUrls[] = $sSrc;
}
else if ('cid:' === \strtolower(\substr($sSrc, 0, 4)))
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{
$oElement->setAttribute('data-x-src-cid', \substr($sSrc, 4));
$aFoundCIDs[] = \substr($sSrc, 4);
}
else
{
if (\preg_match('/http[s]?:\/\//i', $sSrc))
{
$oElement->setAttribute('data-x-src', $sSrc);
$bHasExternals = true;
}
else if ('data:image/' === \strtolower(\substr(\trim($sSrc), 0, 11)))
{
$oElement->setAttribute('src', $sSrc);
}
else
{
$oElement->setAttribute('data-x-broken-src', $sSrc);
}
}
}
$sBackground = $oElement->hasAttribute('background')
? \trim($oElement->getAttribute('background')) : '';
$sBackgroundColor = $oElement->hasAttribute('bgcolor')
? \trim($oElement->getAttribute('bgcolor')) : '';
if (!empty($sBackground) || !empty($sBackgroundColor))
{
$aStyles = array();
$sStyles = $oElement->hasAttribute('style')
? $oElement->getAttribute('style') : '';
if (!empty($sBackground))
{
$aStyles[] = 'background-image: url(\''.$sBackground.'\')';
$oElement->removeAttribute('background');
}
if (!empty($sBackgroundColor))
{
$aStyles[] = 'background-color: '.$sBackgroundColor;
$oElement->removeAttribute('bgcolor');
}
$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
}
if ($oElement->hasAttribute('style'))
{
$oElement->setAttribute('style',
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\MailSo\Base\HtmlUtils::ClearStyle($oElement->getAttribute('style'), $oElement, $bHasExternals,
$aFoundCIDs, $aContentLocationUrls, $aFoundedContentLocationUrls));
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}
}
$sResult = $oDom->saveHTML();
}
unset($oDom);
$sResult = \MailSo\Base\HtmlUtils::ClearTags($sResult);
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$sHtmlAttrs = $sBodyAttrs = '';
$sResult = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sResult, $sHtmlAttrs, $sBodyAttrs);
$sResult = '<div data-x-div-type="body" '.$sBodyAttrs.'>'.$sResult.'</div>';
$sResult = '<div data-x-div-type="html" '.$sHtmlAttrs.'>'.$sResult.'</div>';
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return \trim($sResult);
}
/**
* @param string $sHtml
* @param array $aFoundCids = array()
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* @param array|null $mFoundDataURL = null
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* @param array $aFoundedContentLocationUrls = array()
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*
* @return string
*/
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public static function BuildHtml($sHtml, &$aFoundCids = array(), &$mFoundDataURL = null, &$aFoundedContentLocationUrls = array())
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{
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$bRtl = \MailSo\Base\Utils::IsRTL($sHtml);
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$oDom = \MailSo\Base\HtmlUtils::GetDomFromText($sHtml);
unset($sHtml);
$aNodes = $oDom->getElementsByTagName('*');
foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
{
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$sTagNameLower = \strtolower($oElement->tagName);
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if ($oElement->hasAttribute('data-x-src-cid'))
{
$sCid = $oElement->getAttribute('data-x-src-cid');
$oElement->removeAttribute('data-x-src-cid');
if (!empty($sCid))
{
$aFoundCids[] = $sCid;
@$oElement->removeAttribute('src');
$oElement->setAttribute('src', 'cid:'.$sCid);
}
}
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if ($oElement->hasAttribute('data-x-src-location'))
{
$sSrc = $oElement->getAttribute('data-x-src-location');
$oElement->removeAttribute('data-x-src-location');
if (!empty($sSrc))
{
$aFoundedContentLocationUrls[] = $sSrc;
@$oElement->removeAttribute('src');
$oElement->setAttribute('src', $sSrc);
}
}
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if ($oElement->hasAttribute('data-x-broken-src'))
{
$oElement->setAttribute('src', $oElement->getAttribute('data-x-broken-src'));
$oElement->removeAttribute('data-x-broken-src');
}
if ($oElement->hasAttribute('data-x-src'))
{
$oElement->setAttribute('src', $oElement->getAttribute('data-x-src'));
$oElement->removeAttribute('data-x-src');
}
if ($oElement->hasAttribute('data-x-href'))
{
$oElement->setAttribute('href', $oElement->getAttribute('data-x-href'));
$oElement->removeAttribute('data-x-href');
}
if ($oElement->hasAttribute('data-x-style-cid-name') && $oElement->hasAttribute('data-x-style-cid'))
{
$sCidName = $oElement->getAttribute('data-x-style-cid-name');
$sCid = $oElement->getAttribute('data-x-style-cid');
$oElement->removeAttribute('data-x-style-cid-name');
$oElement->removeAttribute('data-x-style-cid');
if (!empty($sCidName) && !empty($sCid) && \in_array($sCidName,
array('background-image', 'background', 'list-style-image', 'content')))
{
$sStyles = '';
if ($oElement->hasAttribute('style'))
{
$sStyles = \trim(\trim($oElement->getAttribute('style')), ';');
}
$sBack = $sCidName.': url(cid:'.$sCid.')';
$sStyles = \preg_replace('/'.\preg_quote($sCidName, '/').':\s?[^;]+/i', $sBack, $sStyles);
if (false === \strpos($sStyles, $sBack))
{
$sStyles .= empty($sStyles) ? '': '; ';
$sStyles .= $sBack;
}
$oElement->setAttribute('style', $sStyles);
$aFoundCids[] = $sCid;
}
}
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if ($oElement->hasAttribute('data-x-div-type'))
{
$oElement->removeAttribute('data-x-div-type');
}
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if ($oElement->hasAttribute('data-x-style-url'))
{
$sAddStyles = $oElement->getAttribute('data-x-style-url');
$oElement->removeAttribute('data-x-style-url');
if (!empty($sAddStyles))
{
$sStyles = '';
if ($oElement->hasAttribute('style'))
{
$sStyles = \trim(\trim($oElement->getAttribute('style')), ';');
}
$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').$sAddStyles);
}
}
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if ('img' === $sTagNameLower && \is_array($mFoundDataURL))
{
$sSrc = $oElement->getAttribute('src');
if ('data:image/' === \strtolower(\substr($sSrc, 0, 11)))
{
$sHash = \md5($sSrc);
$mFoundDataURL[$sHash] = $sSrc;
$oElement->setAttribute('src', 'cid:'.$sHash);
}
}
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}
$sResult = $oDom->saveHTML();
unset($oDom);
$sResult = \MailSo\Base\HtmlUtils::ClearTags($sResult);
$sResult = \MailSo\Base\HtmlUtils::ClearBodyAndHtmlTag($sResult);
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return '<!DOCTYPE html><html'.($bRtl ? ' dir="rtl"' : '').'><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><head>'.
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'<body>'.\trim($sResult).'</body></html>';
}
/**
* @param string $sText
* @param bool $bLinksWithTargetBlank = true
*
* @return string
*/
public static function ConvertPlainToHtml($sText, $bLinksWithTargetBlank = true)
{
$sText = \trim($sText);
if (0 === \strlen($sText))
{
return '';
}
$sText = \MailSo\Base\LinkFinder::NewInstance()
->Text($sText)
->UseDefaultWrappers($bLinksWithTargetBlank)
// ->CompileText(true, false);
->CompileText(true, true);
$sText = \str_replace("\r", '', $sText);
$aText = \explode("\n", $sText);
unset($sText);
$bIn = false;
$bDo = true;
do
{
$bDo = false;
$aNextText = array();
foreach ($aText as $sTextLine)
{
$bStart = 0 === \strpos(\ltrim($sTextLine), '&gt;');
if ($bStart && !$bIn)
{
$bDo = true;
$bIn = true;
$aNextText[] = '<blockquote>';
$aNextText[] = \substr(\ltrim($sTextLine), 4);
}
else if (!$bStart && $bIn)
{
$bIn = false;
$aNextText[] = '</blockquote>';
$aNextText[] = $sTextLine;
}
else if ($bStart && $bIn)
{
$aNextText[] = \substr(\ltrim($sTextLine), 4);
}
else
{
$aNextText[] = $sTextLine;
}
}
if ($bIn)
{
$bIn = false;
$aNextText[] = '</blockquote>';
}
$aText = $aNextText;
}
while ($bDo);
$sText = \join("\n", $aText);
unset($aText);
$sText = \preg_replace('/[\n][ ]+/', "\n", $sText);
// $sText = \preg_replace('/[\s]+([\s])/', '\\1', $sText);
$sText = \preg_replace('/<blockquote>[\s]+/i', '<blockquote>', $sText);
$sText = \preg_replace('/[\s]+<\/blockquote>/i', '</blockquote>', $sText);
$sText = \preg_replace('/<\/blockquote>([\n]{0,2})<blockquote>/i', '\\1', $sText);
$sText = \preg_replace('/[\n]{3,}/', "\n\n", $sText);
$sText = \strtr($sText, array(
"\n" => "<br />",
"\t" => '&nbsp;&nbsp;&nbsp;',
' ' => '&nbsp;&nbsp;'
));
return $sText;
}
/**
* @param string $sText
*
* @return string
*/
public static function ConvertHtmlToPlain($sText)
{
$sText = trim(stripslashes($sText));
$sText = preg_replace('/[\s]+/', ' ', $sText);
$sText = preg_replace(array(
"/\r/",
"/[\n\t]+/",
'/<script[^>]*>.*?<\/script>/i',
'/<style[^>]*>.*?<\/style>/i',
'/<title[^>]*>.*?<\/title>/i',
'/<h[123][^>]*>(.+?)<\/h[123]>/i',
'/<h[456][^>]*>(.+?)<\/h[456]>/i',
'/<p[^>]*>/i',
'/<br[^>]*>/i',
'/<b[^>]*>(.+?)<\/b>/i',
'/<i[^>]*>(.+?)<\/i>/i',
'/(<ul[^>]*>|<\/ul>)/i',
'/(<ol[^>]*>|<\/ol>)/i',
'/<li[^>]*>/i',
'/<a[^>]*href="([^"]+)"[^>]*>(.+?)<\/a>/i',
'/<hr[^>]*>/i',
'/(<table[^>]*>|<\/table>)/i',
'/(<tr[^>]*>|<\/tr>)/i',
'/<td[^>]*>(.+?)<\/td>/i',
'/<th[^>]*>(.+?)<\/th>/i',
'/&nbsp;/i',
'/&quot;/i',
'/&gt;/i',
'/&lt;/i',
'/&amp;/i',
'/&copy;/i',
'/&trade;/i',
'/&#8220;/',
'/&#8221;/',
'/&#8211;/',
'/&#8217;/',
'/&#38;/',
'/&#169;/',
'/&#8482;/',
'/&#151;/',
'/&#147;/',
'/&#148;/',
'/&#149;/',
'/&reg;/i',
'/&bull;/i',
'/&[&;]+;/i',
'/&#39;/',
'/&#160;/'
), array(
'',
' ',
'',
'',
'',
"\n\n\\1\n\n",
"\n\n\\1\n\n",
"\n\n\t",
"\n",
'\\1',
'\\1',
"\n\n",
"\n\n",
"\n\t* ",
'\\2 (\\1)',
"\n------------------------------------\n",
"\n",
"\n",
"\t\\1\n",
"\t\\1\n",
' ',
'"',
'>',
'<',
'&',
'(c)',
'(tm)',
'"',
'"',
'-',
"'",
'&',
'(c)',
'(tm)',
'--',
'"',
'"',
'*',
'(R)',
'*',
'',
'\'',
''
), $sText);
$sText = str_ireplace('<div>',"\n<div>", $sText);
$sText = strip_tags($sText, '');
$sText = preg_replace("/\n\\s+\n/", "\n", $sText);
$sText = preg_replace("/[\n]{3,}/", "\n\n", $sText);
return trim($sText);
}
}
Reference in a new issue Copy permalink