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Speedup \MailSo\Base\HtmlUtils::BuildHtml()

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the-djmaze 2022-03-02 11:33:04 +01:00
parent 059b9eb322
commit 75766573e9
1 changed files with 22 additions and 41 deletions
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63
snappymail/v/0.0.0/app/libraries/MailSo/Base/HtmlUtils.php
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@ -191,60 +191,33 @@ abstract class HtmlUtils
return $sResult; return $sResult;
} }
private static function ClearTags(\DOMDocument $oDom, bool $bClearStyleAndHead = true) : void
{
$aRemoveTags = array(
'svg', 'link', 'base', 'meta', 'title', 'x-script', 'script', 'bgsound', 'keygen', 'source',
'object', 'embed', 'applet', 'mocha', 'iframe', 'frame', 'frameset', 'video', 'audio', 'area', 'map'
);
if ($bClearStyleAndHead)
{
$aRemoveTags[] = 'head';
$aRemoveTags[] = 'style';
}
$aRemove = array();
$aNodes = $oDom->getElementsByTagName('*');
foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
{
if ($oElement)
{
$sTagNameLower = \trim(\strtolower($oElement->tagName));
if ('' !== $sTagNameLower)
{
if (\in_array($sTagNameLower, $aRemoveTags))
{
$aRemove[] = @$oElement;
}
}
}
}
foreach ($aRemove as /* @var $oElement \DOMElement */ $oElement)
{
if (isset($oElement->parentNode))
{
@$oElement->parentNode->removeChild($oElement);
}
}
}
/** /**
* Used by DoSaveMessage() and DoSendMessage() * Used by DoSaveMessage() and DoSendMessage()
*/ */
public static function BuildHtml(string $sHtml, array &$aFoundCids, array &$aFoundDataURL, array &$aFoundContentLocationUrls) : string public static function BuildHtml(string $sHtml, array &$aFoundCids, array &$aFoundDataURL, array &$aFoundContentLocationUrls) : string
{ {
$oDom = static::GetDomFromText($sHtml); $oDom = static::GetDomFromText($sHtml);
static::ClearTags($oDom);
unset($sHtml); unset($sHtml);
$aRemoveTags = array(
'svg', 'link', 'base', 'meta', 'title', 'x-script', 'script', 'bgsound', 'keygen', 'source',
'object', 'embed', 'applet', 'mocha', 'iframe', 'frame', 'frameset', 'video', 'audio', 'area', 'map',
'head', 'style'
);
$aRemove = array();
$aNodes = $oDom->getElementsByTagName('*'); $aNodes = $oDom->getElementsByTagName('*');
foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement) foreach ($aNodes as /* @var $oElement \DOMElement */ $oElement)
{ {
$sTagNameLower = \strtolower($oElement->tagName); $sTagNameLower = \strtolower($oElement->tagName);
if (\in_array($sTagNameLower, $aRemoveTags))
{
$aRemove[] = @$oElement;
continue;
}
if ($oElement->hasAttribute('data-x-src-cid')) if ($oElement->hasAttribute('data-x-src-cid'))
{ {
$sCid = $oElement->getAttribute('data-x-src-cid'); $sCid = $oElement->getAttribute('data-x-src-cid');
@ -361,6 +334,14 @@ abstract class HtmlUtils
} }
} }
foreach ($aRemove as /* @var $oElement \DOMElement */ $oElement)
{
if (isset($oElement->parentNode))
{
@$oElement->parentNode->removeChild($oElement);
}
}
$sResult = static::GetTextFromDom($oDom, false); $sResult = static::GetTextFromDom($oDom, false);
unset($oDom); unset($oDom);