rss-bridge/lib/HTMLUtils.php

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<?php
class HTMLUtils {
public static function getHelperButtonFormat($value, $name){
return '<button type="submit" name="format" value="' . $value . '">' . $name . '</button>';
}
public static function getHelperButtonsFormat($formats){
$buttons = '';
foreach( $formats as $name => $infos )
{
if ( isset($infos['name']) )
{
$buttons .= HTMLUtils::getHelperButtonFormat($name, $infos['name']) . PHP_EOL;
}
}
return $buttons;
}
public static function displayBridgeCard($bridgeName, $formats, $isActive = true)
{
$bridgeElement = Bridge::create($bridgeName);
if($bridgeElement == false) {
return "";
}
$bridgeElement->loadMetadatas();
$name = '<a href="'.$bridgeElement->uri.'">'.$bridgeElement->name.'</a>';
$description = $bridgeElement->description;
$card = <<<CARD
<section id="bridge-{$bridgeName}" data-ref="{$bridgeName}">
<h2>{$name}</h2>
<p class="description">
{$description}
</p>
CARD;
// If we don't have any parameter for the bridge, we print a generic form to load it.
if(count($bridgeElement->parameters) == 0) {
$card .= '<form method="GET" action="?">
<input type="hidden" name="action" value="display" />
<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
if ($isActive)
{
$card .= HTMLUtils::getHelperButtonsFormat($formats);
}
else
{
$card .= '<span style="font-weight: bold;">Inactive</span>';
}
$card .= '</form>' . PHP_EOL;
}
foreach($bridgeElement->parameters as $parameterName => $parameter)
{
if(!is_numeric($parameterName)) {
$card .= '<h5>'.$parameterName.'</h5>' . PHP_EOL;
}
$card .= '<form method="GET" action="?">
<input type="hidden" name="action" value="display" />
<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
$parameter = json_decode($parameter, true);
foreach($parameter as $inputEntry) {
$additionalInfoString = "";
if(isset($inputEntry['required'])) {
$additionalInfoString .= " required=\"required\"";
}
if(isset($inputEntry['pattern'])) {
$additionalInfoString .= " pattern=\"".$inputEntry['pattern']."\"";
}
if(!isset($inputEntry['exampleValue'])) $inputEntry['exampleValue'] = "";
$idArg = 'arg-' . urlencode($bridgeName) . '-' . urlencode($parameterName) . '-' . urlencode($inputEntry['identifier']);
$card .= '<label for="' .$idArg. '">' .$inputEntry['name']. ' : </label>' . PHP_EOL;
if(!isset($inputEntry['type']) || $inputEntry['type'] == 'text') {
$card .= '<input '.$additionalInfoString.' id="' . $idArg . '" type="text" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
} else if($inputEntry['type'] == 'number') {
$card .= '<input '.$additionalInfoString.' id="' . $idArg . '" type="number" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
} else if($inputEntry['type'] == 'list') {
$card .= '<select '.$additionalInfoString.' id="' . $idArg . '" name="' . $inputEntry['identifier'] . '" >';
foreach($inputEntry['values'] as $listValues) {
$card .= "<option $additionalInfoString value='" . $listValues['value'] . "'>" . $listValues['name'] . "</option>";
}
$card .= '</select><br >';
} else if($inputEntry['type'] == 'checkbox') {
$card .= '<input id="' . $idArg . '" type="checkbox" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
}
}
if ($isActive)
{
$card .= HTMLUtils::getHelperButtonsFormat($formats);
}
else
{
$card .= '<span style="font-weight: bold;">Inactive</span>';
}
$card .= '</form>' . PHP_EOL;
}
$card .= '<span class="maintainer">'.$bridgeElement->maintainer.'</span>';
$card .= '</section>';
return $card;
}
}
class HTMLSanitizer {
var $tagsToRemove;
var $keptAttributes;
var $onlyKeepText;
public static $DEFAULT_CLEAR_TAGS = ["script", "iframe"];
public static $KEPT_ATTRIBUTES = ["title", "href", "src"];
const ONLY_TEXT = null;
function __construct($tags_to_remove = HTMLSanitizer::DEFAULT_CLEAR_TAGS, $kept_attributes = HTMLSanitizer::KEPT_ATTRIBUTES, $only_keep_text = HTMLSanitizer::ONLY_TEXT) {
$this->tagsToRemove = $tags_to_remove;
$this->keptAttributes = $kept_attributes;
$this->onlyKeepText = $only_keep_text;
}
function sanitize($textToSanitize) {
$htmlContent = str_get_html($textToSanitize);
foreach($htmlContent->find('*[!j_ai_pas_trouve_comment_tout_demander]') as $element) {
if(in_array($element->tag, $this->onlyKeepText)) {
$element->outertext = $element->plaintext;
} else if(in_array($element->tag, $this->tagsToRemove)) {
$element->outertext = '';
} else {
foreach($element->getAllAttributes() as $attributeName => $attribute) {
if(!in_array($attributeName, $this->keptAttributes)) $element->removeAttribute($attributeName);
}
}
}
return $htmlContent;
}
public static function defaultImageSrcTo($content, $server) {
foreach($content->find('img') as $image) {
if(strpos($image->src, '/')==0) {
$image->src = $server.$image->src;
}
}
}
}
?>