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Fix #1543 - Convert relative path in srcset attribute

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Chanyoung Oh 2021-01-05 15:00:30 +00:00 • committed by GitHub
parent 1f2f0d87ef
commit db9e6050b2
1 changed files with 43 additions and 2 deletions
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45
classes/template/TemplateHandler.class.php
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@ -235,6 +235,9 @@ class TemplateHandler
// replace value of src in img/input/script tag
$buff = preg_replace_callback('/<(?:img|input|script)(?:[^<>]*?)(?(?=cond=")(?:cond="[^"]+"[^<>]*)+|)[^<>]* src="(?!(?:https?|file):\/\/|[\/\{])([^"]+)"/is', array($this, '_replacePath'), $buff);
// replace value of srcset in img/source/link tag
$buff = preg_replace_callback('/<(?:img|source|link)(?:[^<>]*?)(?(?=cond=")(?:cond="[^"]+"[^<>]*)+|)[^<>]* srcset="([^"]+)"/is', array($this, '_replaceSrcsetPath'), $buff);
// replace loop and cond template syntax
$buff = $this->_parseInline($buff);
@ -390,7 +393,19 @@ class TemplateHandler
*/
private function _replacePath($match)
{
//return origin conde when src value started '${'.
$src = $this->_replaceRelativePath($match);
return substr($match[0], 0, -strlen($match[1]) - 6) . "src=\"{$src}\"";
}
/**
* replace relative path
* @param array $match
*
* @return string changed result
*/
private function _replaceRelativePath($match)
{
//return origin code when src value started '${'.
if(preg_match('@^\${@', $match[1]))
{
return $match[0];
@ -415,7 +430,33 @@ class TemplateHandler
$src = $tmp;
}
return substr($match[0], 0, -strlen($match[1]) - 6) . "src=\"{$src}\"";
return $src;
}
/**
* preg_replace_callback hanlder
*
* replace srcset string with multiple paths
* @param array $match
*
* @return string changed result
*/
private function _replaceSrcsetPath($match)
{
// explode urls by comma
$url_list = explode(",", $match[1]);
foreach ($url_list as &$url) {
// replace if url is not starting with the pattern
$url = preg_replace_callback(
'/^(?!(?:https?|file):\/\/|[\/\{])([^"]+)/is',
array($this, '_replaceRelativePath'),
trim($url)
);
}
$srcset = implode(", ", $url_list);
return substr($match[0], 0, -strlen($match[1]) - 9) . "srcset=\"{$srcset}\"";
}
/**