shell bypass 403
#!/usr/bin/env node
'use strict';
var parseArgs = require('minimist');
var gonzales = require('..');
var fs = require('fs');
var path = require('path');
var options = getOptions();
if (options.help) {
displayHelp();
process.exit(0);
}
if (isSTDIN()) {
processSTDIN();
} else {
processFile(options._[0]);
}
function getOptions() {
var parserOptions = {
boolean: ['silent', 'simple'],
alias: {
help: 'h',
syntax: 's',
context: 'c'
}
};
return parseArgs(process.argv.slice(2), parserOptions);
}
function isSTDIN() {
return options._.indexOf('-') !== -1;
}
function processSTDIN() {
var input = '';
process.stdin.resume();
process.stdin.setEncoding('utf8');
process.stdin.on('data', data => {
input += data;
});
process.stdin.on('end', () => {
processInputData(input);
});
}
function processFile(file) {
if (!file) process.exit(0);
if (!options.syntax) options.syntax = path.extname(file).substring(1);
var css = fs.readFileSync(file, 'utf-8').trim();
processInputData(css);
}
function processInputData(input) {
try {
var ast = gonzales.parse(input, {
syntax: options.syntax,
context: options.context
});
printTree(ast);
process.exit(0);
} catch (e) {
if (!options.silent) process.stderr.write(e.toString());
process.exit(1);
}
}
function printTree(ast) {
if (!options.simple) {
var tree = ast.toJson();
process.stdout.write(tree);
} else {
var lastLevel;
ast.traverse(function(node, i, parent, lastLevel) {
var type = node.type;
var spaces = new Array(lastLevel).join(' |');
if (typeof node.content === 'string') {
var content = JSON.stringify(node.content);
console.log(spaces, '->', type);
console.log(spaces, ' ', content);
} else {
console.log(spaces, '->', type);
}
});
var spaces = new Array(lastLevel).join(' -');
console.log(spaces);
}
}
function displayHelp() {
var help = [
'NAME',
' gonzlaes-pe — Parse a css file and print its parse tree in JSON',
'',
'SYNOPSIS',
' gonzales-pe [options] file.js',
' cat file.js | gonzales-pe [options] -',
'',
'OPTIONS',
' -s, --syntax',
' Syntax name: css, less, sass or scss.',
' -c, --context',
' Context of code part. See docs on node types for more info.',
' --simple',
' Print a simplified parse tree structure instead of JSON.',
' --silent',
' Don\'t print any error messages.'
];
console.log(help.join('\n'));
}