shell bypass 403
var staticModule = require('static-module');
var quote = require('quote-stream');
var through = require('through2');
var fs = require('fs');
var path = require('path');
var resolve = require('resolve');
module.exports = function (file, opts) {
if (/\.json$/.test(file)) return through();
function resolver (p) {
return resolve.sync(p, { basedir: path.dirname(file) });
}
var vars = {
__filename: file,
__dirname: path.dirname(file),
require: { resolve: resolver }
};
if (!opts) opts = {};
if (opts.vars) Object.keys(opts.vars).forEach(function (key) {
vars[key] = opts.vars[key];
});
var sm = staticModule(
{
fs: {
readFileSync: readFileSync,
readFile: readFile,
readdirSync: readdirSync,
readdir: readdir
}
},
{
vars: vars,
varModules: { path: path },
parserOpts: opts && opts.parserOpts,
sourceMap: opts && (opts.sourceMap || opts._flags && opts._flags.debug),
inputFilename: file
}
);
return sm;
function readFile (file, enc, cb) {
if (typeof enc === 'function') {
cb = enc;
enc = null;
}
if (enc && typeof enc === 'object' && enc.encoding) {
enc = enc.encoding;
}
var isBuffer = false;
if (enc === null || enc === undefined) {
isBuffer = true;
enc = 'base64';
}
var stream = through(write, end);
stream.push('process.nextTick(function(){(' + cb + ')(null,');
if (isBuffer) stream.push('Buffer(');
var s = fs.createReadStream(file, { encoding: enc });
s.on('error', function (err) { sm.emit('error', err) });
return s.pipe(quote()).pipe(stream);
function write (buf, enc, next) {
this.push(buf);
next();
}
function end (next) {
if (isBuffer) this.push(',"base64")');
this.push(')})');
this.push(null);
sm.emit('file', file);
next()
}
}
function readFileSync (file, enc) {
var isBuffer = false;
if (enc === null || enc === undefined) {
isBuffer = true;
enc = 'base64';
}
if (enc && typeof enc === 'object' && enc.encoding) {
enc = enc.encoding;
}
var stream = fs.createReadStream(file, { encoding: enc })
.on('error', function (err) { sm.emit('error', err) })
.pipe(quote()).pipe(through(write, end))
;
if (isBuffer) {
stream.push('Buffer(');
}
return stream;
function write (buf, enc, next) {
this.push(buf);
next();
}
function end (next) {
if (isBuffer) this.push(',"base64")');
this.push(null);
sm.emit('file', file);
next();
}
}
function readdir(path, cb) {
var stream = through(write, end);
stream.push('process.nextTick(function(){(' + cb + ')(null,');
fs.readdir(path, function (err, src) {
if (err) {
stream.emit('error', err);
return;
}
stream.push(JSON.stringify(src));
stream.end(')})');
});
return stream;
function write (buf, enc, next) {
this.push(buf);
next();
}
function end (next) {
this.push(null);
next();
}
}
function readdirSync (path) {
var stream = through(write, end);
fs.readdir(path, function (err, src) {
if (err) {
stream.emit('error', err);
return;
}
stream.end(JSON.stringify(src));
});
return stream;
function write (buf, enc, next) {
this.push(buf);
next();
}
function end (next) {
this.push(null);
next();
}
}
};