df58f5bbdb
Adds php-urljoin from https://github.com/fluffy-critter/php-urljoin to replace the custom implementation of 'defaultLinkTo'
54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
<?php
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function sanitize($textToSanitize,
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$removedTags = array('script', 'iframe', 'input', 'form'),
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$keptAttributes = array('title', 'href', 'src'),
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$keptText = array()){
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$htmlContent = str_get_html($textToSanitize);
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foreach($htmlContent->find('*[!b38fd2b1fe7f4747d6b1c1254ccd055e]') as $element) {
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if(in_array($element->tag, $keptText)) {
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$element->outertext = $element->plaintext;
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} elseif(in_array($element->tag, $removedTags)) {
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$element->outertext = '';
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} else {
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foreach($element->getAllAttributes() as $attributeName => $attribute) {
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if(!in_array($attributeName, $keptAttributes))
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$element->removeAttribute($attributeName);
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}
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}
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}
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return $htmlContent;
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}
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function backgroundToImg($htmlContent) {
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$regex = '/background-image[ ]{0,}:[ ]{0,}url\([\'"]{0,}(.*?)[\'"]{0,}\)/';
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$htmlContent = str_get_html($htmlContent);
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foreach($htmlContent->find('*[!b38fd2b1fe7f4747d6b1c1254ccd055e]') as $element) {
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if(preg_match($regex, $element->style, $matches) > 0) {
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$element->outertext = '<img style="display:block;" src="' . $matches[1] . '" />';
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}
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}
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return $htmlContent;
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}
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function defaultLinkTo($content, $server){
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foreach($content->find('img') as $image) {
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$image->src = urljoin($server, $image->src);
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}
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foreach($content->find('a') as $anchor) {
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$anchor->href = urljoin($server, $anchor->href);
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}
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return $content;
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}
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