mirror of
https://github.com/the-djmaze/snappymail.git
synced 2024-09-20 15:45:55 +08:00
Optimize parse regex
This commit is contained in:
RainLoop Team
parent
08ccf55577
commit
c2ab03f69c
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@ -189,14 +189,14 @@ class HtmlUtils
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$sBodyAttrs = $aMatch[1];
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}
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$sHtml = \preg_replace('/^.*<body([^>]*)>/sim', '', $sHtml);
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$sHtml = \preg_replace('/<\/body>/im', '', $sHtml);
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$sHtml = \preg_replace('/<html([^>]*)>/im', '', $sHtml);
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$sHtml = \preg_replace('/<\/html>/im', '', $sHtml);
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$sHtml = \preg_replace('/^.*<body([^>]*)>/si', '', $sHtml);
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$sHtml = \preg_replace('/<\/body>/i', '', $sHtml);
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$sHtml = \preg_replace('/<html([^>]*)>/i', '', $sHtml);
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$sHtml = \preg_replace('/<\/html>/i', '', $sHtml);
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$sHtmlAttrs = \preg_replace('/xmlns:[a-z]="[^"]*"/im', '', $sHtmlAttrs);
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$sHtmlAttrs = \preg_replace('/xmlns="[^"]*"/im', '', $sHtmlAttrs);
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$sBodyAttrs = \preg_replace('/xmlns:[a-z]="[^"]*"/im', '', $sBodyAttrs);
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$sHtmlAttrs = \preg_replace('/xmlns:[a-z]="[^"]*"/i', '', $sHtmlAttrs);
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$sHtmlAttrs = \preg_replace('/xmlns="[^"]*"/i', '', $sHtmlAttrs);
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$sBodyAttrs = \preg_replace('/xmlns:[a-z]="[^"]*"/i', '', $sBodyAttrs);
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return $sHtml;
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}
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@ -229,8 +229,8 @@ class HtmlUtils
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{
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return \preg_replace(array(
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'/<p[^>]*><\/p>/i',
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'/<!doctype[^>]*>/msi',
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'/<\?xml [^>]*\?>/msi'
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'/<!doctype[^>]*>/i',
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'/<\?xml [^>]*\?>/i'
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), '', $sHtml);
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}
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@ -827,300 +827,301 @@ class HtmlUtils
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$oDom = \MailSo\Base\HtmlUtils::GetDomFromText($sHtml);
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unset($sHtml);
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if ($oDom)
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if (!$oDom)
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{
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if ($fAdditionalDomReader)
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return '';
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}
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if ($fAdditionalDomReader)
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{
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$oResDom = \call_user_func($fAdditionalDomReader, $oDom);
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if ($oResDom)
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{
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$oResDom = \call_user_func($fAdditionalDomReader, $oDom);
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if ($oResDom)
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$oDom = $oResDom;
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}
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unset($oResDom);
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}
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if ($bFindLinksInHtml)
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{
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\MailSo\Base\HtmlUtils::FindLinksInDOM($oDom);
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}
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\MailSo\Base\HtmlUtils::ClearComments($oDom);
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\MailSo\Base\HtmlUtils::ClearTags($oDom);
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$sLinkColor = '';
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$aNodes = $oDom->getElementsByTagName('*');
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foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
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{
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$sTagNameLower = \strtolower($oElement->tagName);
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// convert body attributes to styles
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if ('body' === $sTagNameLower)
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{
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$aAttrs = array(
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'link' => '',
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'text' => '',
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'topmargin' => '',
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'leftmargin' => '',
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'bottommargin' => '',
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'rightmargin' => ''
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);
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if (isset($oElement->attributes))
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{
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$oDom = $oResDom;
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foreach ($oElement->attributes as $sAttributeName => /* @var $oAttributeNode \DOMNode */ $oAttributeNode)
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{
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if ($oAttributeNode && isset($oAttributeNode->nodeValue))
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{
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$sAttributeNameLower = \strtolower($sAttributeName);
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if (isset($aAttrs[$sAttributeNameLower]) && '' === $aAttrs[$sAttributeNameLower])
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{
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$aAttrs[$sAttributeNameLower] = array($sAttributeName, \trim($oAttributeNode->nodeValue));
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}
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}
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}
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}
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unset($oResDom);
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}
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if ($bFindLinksInHtml)
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{
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\MailSo\Base\HtmlUtils::FindLinksInDOM($oDom);
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}
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\MailSo\Base\HtmlUtils::ClearComments($oDom);
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\MailSo\Base\HtmlUtils::ClearTags($oDom);
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$sLinkColor = '';
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$aNodes = $oDom->getElementsByTagName('*');
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foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
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{
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$sTagNameLower = \strtolower($oElement->tagName);
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// convert body attributes to styles
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if ('body' === $sTagNameLower)
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$aStyles = array();
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foreach ($aAttrs as $sIndex => $aItem)
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{
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$aAttrs = array(
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'link' => '',
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'text' => '',
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'topmargin' => '',
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'leftmargin' => '',
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'bottommargin' => '',
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'rightmargin' => ''
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if (\is_array($aItem))
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{
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$oElement->removeAttribute($aItem[0]);
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switch ($sIndex)
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{
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case 'link':
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$sLinkColor = \trim($aItem[1]);
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if (!\preg_match('/^#[abcdef0-9]{3,6}$/i', $sLinkColor))
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{
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$sLinkColor = '';
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}
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break;
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case 'text':
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$aStyles[] = 'color: '.$aItem[1];
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break;
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case 'topmargin':
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$aStyles[] = 'margin-top: '.((int) $aItem[1]).'px';
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break;
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case 'leftmargin':
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$aStyles[] = 'margin-left: '.((int) $aItem[1]).'px';
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break;
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case 'bottommargin':
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$aStyles[] = 'margin-bottom: '.((int) $aItem[1]).'px';
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break;
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case 'rightmargin':
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$aStyles[] = 'margin-right: '.((int) $aItem[1]).'px';
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break;
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}
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}
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}
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if (0 < \count($aStyles))
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{
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$sStyles = $oElement->hasAttribute('style') ? \trim(\trim(\trim($oElement->getAttribute('style')), ';')) : '';
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$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
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}
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}
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if ('iframe' === $sTagNameLower || 'frame' === $sTagNameLower)
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{
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$oElement->setAttribute('src', 'javascript:false');
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}
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if ('a' === $sTagNameLower && !empty($sLinkColor))
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{
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$sStyles = $oElement->hasAttribute('style')
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? \trim(\trim(\trim($oElement->getAttribute('style')), ';')) : '';
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$oElement->setAttribute('style',
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'color: '.$sLinkColor.\trim((empty($sStyles) ? '' : '; '.$sStyles)));
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area')))
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{
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$oElement->setAttribute('target', '_blank');
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area', 'input', 'button', 'textarea')))
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{
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$oElement->setAttribute('tabindex', '-1');
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}
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if ($oElement->hasAttributes() && isset($oElement->attributes) && $oElement->attributes)
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{
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foreach ($oElement->attributes as $oAttr)
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{
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if ($oAttr && !empty($oAttr->nodeName))
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{
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$sAttrName = \trim(\strtolower($oAttr->nodeName));
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if ('on' === \substr($sAttrName, 0, 2) || in_array($sAttrName, array(
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'id', 'class', 'contenteditable', 'designmode', 'formaction', 'manifest',
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'data-bind', 'data-reactid', 'xmlns', 'srcset', 'data-x-skip-style',
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'fscommand', 'seeksegmenttime'
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)))
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{
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@$oElement->removeAttribute($oAttr->nodeName);
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}
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}
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}
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}
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if ($oElement->hasAttribute('href'))
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{
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$sHref = \trim($oElement->getAttribute('href'));
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if (!\preg_match('/^(http[s]?|ftp|skype|mailto):/i', $sHref) && '//' !== \substr($sHref, 0, 2))
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{
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$oElement->setAttribute('data-x-broken-href', $sHref);
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$oElement->setAttribute('href', 'javascript:false');
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}
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if ('a' === $sTagNameLower)
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{
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$oElement->setAttribute('rel', 'external nofollow');
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}
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}
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if ($bTryToDetectHiddenImages && 'img' === $sTagNameLower)
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{
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$sAlt = $oElement->hasAttribute('alt')
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? \trim($oElement->getAttribute('alt')) : '';
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if ($oElement->hasAttribute('src') && '' === $sAlt)
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{
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$aH = array(
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'email.microsoftemail.com/open',
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'github.com/notifications/beacon/',
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'mandrillapp.com/track/open',
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'list-manage.com/track/open'
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);
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if (isset($oElement->attributes))
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{
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foreach ($oElement->attributes as $sAttributeName => /* @var $oAttributeNode \DOMNode */ $oAttributeNode)
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{
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if ($oAttributeNode && isset($oAttributeNode->nodeValue))
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{
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$sAttributeNameLower = \strtolower($sAttributeName);
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if (isset($aAttrs[$sAttributeNameLower]) && '' === $aAttrs[$sAttributeNameLower])
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{
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$aAttrs[$sAttributeNameLower] = array($sAttributeName, \trim($oAttributeNode->nodeValue));
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}
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}
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}
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}
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$aStyles = array();
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foreach ($aAttrs as $sIndex => $aItem)
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{
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if (\is_array($aItem))
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{
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$oElement->removeAttribute($aItem[0]);
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switch ($sIndex)
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{
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case 'link':
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$sLinkColor = \trim($aItem[1]);
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if (!\preg_match('/^#[abcdef0-9]{3,6}$/i', $sLinkColor))
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{
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$sLinkColor = '';
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}
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break;
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case 'text':
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$aStyles[] = 'color: '.$aItem[1];
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break;
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case 'topmargin':
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$aStyles[] = 'margin-top: '.((int) $aItem[1]).'px';
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break;
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case 'leftmargin':
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$aStyles[] = 'margin-left: '.((int) $aItem[1]).'px';
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break;
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case 'bottommargin':
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$aStyles[] = 'margin-bottom: '.((int) $aItem[1]).'px';
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break;
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case 'rightmargin':
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$aStyles[] = 'margin-right: '.((int) $aItem[1]).'px';
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break;
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}
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}
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}
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if (0 < \count($aStyles))
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{
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$sStyles = $oElement->hasAttribute('style') ? \trim(\trim(\trim($oElement->getAttribute('style')), ';')) : '';
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$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
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}
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}
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if ('iframe' === $sTagNameLower || 'frame' === $sTagNameLower)
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{
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$oElement->setAttribute('src', 'javascript:false');
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}
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if ('a' === $sTagNameLower && !empty($sLinkColor))
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{
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$sStyles = $oElement->hasAttribute('style')
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? \trim(\trim(\trim($oElement->getAttribute('style')), ';')) : '';
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$oElement->setAttribute('style',
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'color: '.$sLinkColor.\trim((empty($sStyles) ? '' : '; '.$sStyles)));
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area')))
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{
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$oElement->setAttribute('target', '_blank');
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}
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if (\in_array($sTagNameLower, array('a', 'form', 'area', 'input', 'button', 'textarea')))
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{
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$oElement->setAttribute('tabindex', '-1');
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}
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if ($oElement->hasAttributes() && isset($oElement->attributes) && $oElement->attributes)
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{
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foreach ($oElement->attributes as $oAttr)
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{
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if ($oAttr && !empty($oAttr->nodeName))
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{
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$sAttrName = \trim(\strtolower($oAttr->nodeName));
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if ('on' === \substr($sAttrName, 0, 2) || in_array($sAttrName, array(
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'id', 'class', 'contenteditable', 'designmode', 'formaction', 'manifest',
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'data-bind', 'data-reactid', 'xmlns', 'srcset', 'data-x-skip-style',
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'fscommand', 'seeksegmenttime'
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)))
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{
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@$oElement->removeAttribute($oAttr->nodeName);
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}
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}
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}
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}
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if ($oElement->hasAttribute('href'))
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{
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$sHref = \trim($oElement->getAttribute('href'));
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if (!\preg_match('/^(http[s]?|ftp|skype|mailto):/i', $sHref) && '//' !== \substr($sHref, 0, 2))
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{
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$oElement->setAttribute('data-x-broken-href', $sHref);
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$oElement->setAttribute('href', 'javascript:false');
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}
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if ('a' === $sTagNameLower)
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{
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$oElement->setAttribute('rel', 'external nofollow');
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}
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}
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if ($bTryToDetectHiddenImages && 'img' === $sTagNameLower)
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{
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$sAlt = $oElement->hasAttribute('alt')
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? \trim($oElement->getAttribute('alt')) : '';
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if ($oElement->hasAttribute('src') && '' === $sAlt)
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{
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$aH = array(
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'email.microsoftemail.com/open',
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'github.com/notifications/beacon/',
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'mandrillapp.com/track/open',
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'list-manage.com/track/open'
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);
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$sH = $oElement->hasAttribute('height')
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? \trim($oElement->getAttribute('height')) : '';
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$sH = $oElement->hasAttribute('height')
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? \trim($oElement->getAttribute('height')) : '';
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// $sW = $oElement->hasAttribute('width')
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// ? \trim($oElement->getAttribute('width')) : '';
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$sStyles = $oElement->hasAttribute('style')
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? \preg_replace('/[\s]+/', '', \trim(\trim(\trim($oElement->getAttribute('style')), ';'))) : '';
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$sStyles = $oElement->hasAttribute('style')
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? \preg_replace('/[\s]+/', '', \trim(\trim(\trim($oElement->getAttribute('style')), ';'))) : '';
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$sSrc = \trim($oElement->getAttribute('src'));
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$sSrc = \trim($oElement->getAttribute('src'));
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$bC = \in_array($sH, array('1', '0', '1px', '0px')) ||
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\preg_match('/(display:none|visibility:hidden|height:0|height:[01][a-z][a-z])/i', $sStyles);
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$bC = \in_array($sH, array('1', '0', '1px', '0px')) ||
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\preg_match('/(display:none|visibility:hidden|height:0|height:[01][a-z][a-z])/i', $sStyles);
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if (!$bC)
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if (!$bC)
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{
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$sSrcLower = \strtolower($sSrc);
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foreach ($aH as $sLine)
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{
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$sSrcLower = \strtolower($sSrc);
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foreach ($aH as $sLine)
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if (false !== \strpos($sSrcLower, $sLine))
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{
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if (false !== \strpos($sSrcLower, $sLine))
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{
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$bC = true;
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break;
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}
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$bC = true;
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break;
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}
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}
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}
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if ($bC)
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{
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$oElement->setAttribute('style', 'display:none');
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$oElement->setAttribute('data-x-skip-style', 'true');
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$oElement->setAttribute('data-x-hidden-src', $sSrc);
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if ($bC)
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{
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$oElement->setAttribute('style', 'display:none');
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$oElement->setAttribute('data-x-skip-style', 'true');
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$oElement->setAttribute('data-x-hidden-src', $sSrc);
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$oElement->removeAttribute('src');
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}
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$oElement->removeAttribute('src');
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}
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}
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}
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if ($oElement->hasAttribute('src'))
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if ($oElement->hasAttribute('src'))
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{
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$sSrc = \trim($oElement->getAttribute('src'));
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$oElement->removeAttribute('src');
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if (\in_array($sSrc, $aContentLocationUrls))
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{
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$sSrc = \trim($oElement->getAttribute('src'));
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$oElement->removeAttribute('src');
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if (\in_array($sSrc, $aContentLocationUrls))
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$oElement->setAttribute('data-x-src-location', $sSrc);
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$aFoundedContentLocationUrls[] = $sSrc;
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}
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else if ('cid:' === \strtolower(\substr($sSrc, 0, 4)))
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{
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$oElement->setAttribute('data-x-src-cid', \substr($sSrc, 4));
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$aFoundCIDs[] = \substr($sSrc, 4);
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}
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else
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{
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if (\preg_match('/^http[s]?:\/\//i', $sSrc) || '//' === \substr($sSrc, 0, 2))
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{
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$oElement->setAttribute('data-x-src-location', $sSrc);
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$aFoundedContentLocationUrls[] = $sSrc;
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}
|
||||
else if ('cid:' === \strtolower(\substr($sSrc, 0, 4)))
|
||||
{
|
||||
$oElement->setAttribute('data-x-src-cid', \substr($sSrc, 4));
|
||||
$aFoundCIDs[] = \substr($sSrc, 4);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (\preg_match('/^http[s]?:\/\//i', $sSrc) || '//' === \substr($sSrc, 0, 2))
|
||||
{
|
||||
if ($bDoNotReplaceExternalUrl)
|
||||
{
|
||||
$oElement->setAttribute('src', $sSrc);
|
||||
}
|
||||
else
|
||||
{
|
||||
$oElement->setAttribute('data-x-src', $sSrc);
|
||||
if ($fAdditionalExternalFilter)
|
||||
{
|
||||
$sCallResult = \call_user_func($fAdditionalExternalFilter, $sSrc);
|
||||
if (0 < \strlen($sCallResult))
|
||||
{
|
||||
$oElement->setAttribute('data-x-additional-src', $sCallResult);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$bHasExternals = true;
|
||||
}
|
||||
else if ('data:image/' === \strtolower(\substr($sSrc, 0, 11)))
|
||||
if ($bDoNotReplaceExternalUrl)
|
||||
{
|
||||
$oElement->setAttribute('src', $sSrc);
|
||||
}
|
||||
else
|
||||
{
|
||||
$oElement->setAttribute('data-x-broken-src', $sSrc);
|
||||
$oElement->setAttribute('data-x-src', $sSrc);
|
||||
if ($fAdditionalExternalFilter)
|
||||
{
|
||||
$sCallResult = \call_user_func($fAdditionalExternalFilter, $sSrc);
|
||||
if (0 < \strlen($sCallResult))
|
||||
{
|
||||
$oElement->setAttribute('data-x-additional-src', $sCallResult);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$bHasExternals = true;
|
||||
}
|
||||
}
|
||||
|
||||
$sBackground = $oElement->hasAttribute('background')
|
||||
? \trim($oElement->getAttribute('background')) : '';
|
||||
$sBackgroundColor = $oElement->hasAttribute('bgcolor')
|
||||
? \trim($oElement->getAttribute('bgcolor')) : '';
|
||||
|
||||
if (!empty($sBackground) || !empty($sBackgroundColor))
|
||||
{
|
||||
$aStyles = array();
|
||||
$sStyles = $oElement->hasAttribute('style')
|
||||
? \trim(\trim(\trim($oElement->getAttribute('style')), ';')) : '';
|
||||
|
||||
if (!empty($sBackground))
|
||||
else if ('data:image/' === \strtolower(\substr($sSrc, 0, 11)))
|
||||
{
|
||||
$aStyles[] = 'background-image: url(\''.$sBackground.'\')';
|
||||
$oElement->removeAttribute('background');
|
||||
$oElement->setAttribute('src', $sSrc);
|
||||
}
|
||||
|
||||
if (!empty($sBackgroundColor))
|
||||
else
|
||||
{
|
||||
$aStyles[] = 'background-color: '.$sBackgroundColor;
|
||||
$oElement->removeAttribute('bgcolor');
|
||||
$oElement->setAttribute('data-x-broken-src', $sSrc);
|
||||
}
|
||||
|
||||
$oElement->setAttribute('style', (empty($sStyles) ? '' : $sStyles.'; ').\implode('; ', $aStyles));
|
||||
}
|
||||
|
||||
if ($oElement->hasAttribute('style') && !$oElement->hasAttribute('data-x-skip-style'))
|
||||
{
|
||||
$oElement->setAttribute('style',
|
||||
\MailSo\Base\HtmlUtils::ClearStyle($oElement->getAttribute('style'), $oElement, $bHasExternals,
|
||||
$aFoundCIDs, $aContentLocationUrls, $aFoundedContentLocationUrls, $bDoNotReplaceExternalUrl, $fAdditionalExternalFilter));
|
||||
}
|
||||
|
||||
$oElement->removeAttribute('data-x-skip-style');
|
||||
}
|
||||
|
||||
$sResult = \MailSo\Base\HtmlUtils::GetTextFromDom($oDom, $bWrapByFakeHtmlAndBodyDiv);
|
||||
$sBackground = $oElement->hasAttribute('background')
|
||||
? \trim($oElement->getAttribute('background')) : '';
|
||||
$sBackgroundColor = $oElement->hasAttribute('bgcolor')
|
||||
? \trim($oElement->getAttribute('bgcolor')) : '';
|
||||
|
||||
if (!empty($sBackground) || !empty($sBackgroundColor))
|
||||
{
|
||||
$aStyles = array();
|
||||
$sStyles = $oElement->hasAttribute('style')
|
||||
? \trim(\trim(\trim($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->hasAttribute('data-x-skip-style'))
|
||||
{
|
||||
$oElement->setAttribute('style',
|
||||
\MailSo\Base\HtmlUtils::ClearStyle($oElement->getAttribute('style'), $oElement, $bHasExternals,
|
||||
$aFoundCIDs, $aContentLocationUrls, $aFoundedContentLocationUrls, $bDoNotReplaceExternalUrl, $fAdditionalExternalFilter));
|
||||
}
|
||||
|
||||
$oElement->removeAttribute('data-x-skip-style');
|
||||
}
|
||||
|
||||
$sResult = \MailSo\Base\HtmlUtils::GetTextFromDom($oDom, $bWrapByFakeHtmlAndBodyDiv);
|
||||
unset($oDom);
|
||||
|
||||
return $sResult;
|
||||
|
|
|
|||
Loading…
Reference in a new issue