shell bypass 403
'use strict';
var crypto = require('crypto');
function sha1(bytes) {
if (typeof Buffer.from === 'function') {
// Modern Buffer API
if (Array.isArray(bytes)) {
bytes = Buffer.from(bytes);
} else if (typeof bytes === 'string') {
bytes = Buffer.from(bytes, 'utf8');
}
} else {
// Pre-v4 Buffer API
if (Array.isArray(bytes)) {
bytes = new Buffer(bytes);
} else if (typeof bytes === 'string') {
bytes = new Buffer(bytes, 'utf8');
}
}
return crypto.createHash('sha1').update(bytes).digest();
}
module.exports = sha1;