shell bypass 403
// @ts-nocheck
'use strict';
const rangeOperators = ['>=', '<=', '>', '<', '='];
const styleSearch = require('style-search');
function getRangeContextOperators(node) {
const operators = [];
styleSearch({ source: node.value, target: rangeOperators }, (match) => {
const before = node[match.startIndex - 1];
if (before === '>' || before === '<') {
return;
}
operators.push(match.target);
});
// Sorting helps when using the operators to split
// E.g. for "(10em < width <= 50em)" this returns ["<=", "<"]
return operators.sort((a, b) => b.length - a.length);
}
function getRangeContextName(parsedNode) {
// When the node is like "(10em < width < 50em)"
// The parsedNode is ["10em", "width", "50em"] - the name is always in the second position
if (parsedNode.length === 3) {
return parsedNode[1];
}
// When the node is like "(width > 10em)" or "(10em < width)"
// Regex is needed because the name can either be in the first or second position
return parsedNode.find((value) => value.match(/^(?!--)\D+/) || value.match(/^(--).+/));
}
module.exports = function (node) {
const nodeValue = node.value;
const operators = getRangeContextOperators(node);
// Remove spaces and parentheses and split by the operators
const parsedMedia = nodeValue.replace(/[()\s]/g, '').split(new RegExp(operators.join('|')));
const name = getRangeContextName(parsedMedia);
const nameObj = {
value: name,
sourceIndex: node.sourceIndex + nodeValue.indexOf(name),
};
const values = parsedMedia
.filter((parsedValue) => parsedValue !== name)
.map((value) => {
return {
value,
sourceIndex: node.sourceIndex + nodeValue.indexOf(value),
};
});
return {
name: nameObj,
values,
};
};