Research
Security News
Quasar RAT Disguised as an npm Package for Detecting Vulnerabilities in Ethereum Smart Contracts
Socket researchers uncover a malicious npm package posing as a tool for detecting vulnerabilities in Etherium smart contracts.
A step of JSON transforming flow
npm install --save jsonbeat
transformer
var jsonbeat = require('jsonbeat');
var billSchema = {
name: 'Summary',
inputSchema: {
"type": "object",
"properties": {
"title": { "type": "string" },
"fromTime": { "type": "string" },
"toTime": { "type": "string" },
"customerId": { "type": "string" },
"items": {
"type": "array",
"items": {
"type": "object",
"properties": {
"label": { "type": "string" },
"price": { "type": "number" },
"amount": { "type": "number" }
},
"required": ["label", "price", "amount"]
}
}
}
},
transform: function(data) {
var summary = data.items.reduce(function(sum, item) {
sum.count += item.amount;
sum.total += item.amount * item.price;
return sum;
}, { count: 0, total: 0 });
return {
title: data.title + ' [' + data.customerId + ']',
customerId: data.customerId,
count: summary.count,
total: summary.total
}
},
outputSchema: {
"type": "object",
"properties": {
"title": { "type": "string" },
"customerId": { "type": "string" },
"count": { "type": "number", "minimum": 0 },
"total": { "type": "number" }
}
}
};
var billSchemaCallback = Object.assign({}, billSchema, {
transform: function(data, callback) {
var summary = data.items.reduce(function(sum, item) {
sum.count += item.amount;
sum.total += item.amount * item.price;
return sum;
}, { count: 0, total: 0 });
var ret = {
title: data.title + ' [' + data.customerId + ']',
customerId: data.customerId,
count: summary.count,
total: summary.total
}
callback && callback(null, ret);
}
});
var billSchemaPromise = Object.assign({}, billSchema, {
transform: function(data) {
return new Promise(function(resolve, reject) {
var summary = data.items.reduce(function(sum, item) {
sum.count += item.amount;
sum.total += item.amount * item.price;
return sum;
}, { count: 0, total: 0 });
setTimeout(function() {
resolve({
title: data.title + ' [' + data.customerId + ']',
customerId: data.customerId,
count: summary.count,
total: summary.total
});
}, 100);
})
}
});
var transformer1 = new jsonbeat(billSchema);
transformer1.outlet.on('result', function(result) {
console.log('Summary (transformer1): %s', JSON.stringify(result));
});
var transformer2 = new jsonbeat(billSchemaCallback);
transformer2.outlet.on('result', function(result) {
console.log('Summary (transformer2): %s', JSON.stringify(result));
});
var transformer3 = new jsonbeat(billSchemaPromise);
transformer3.outlet.on('result', function(result) {
console.log('Summary (transformer3): %s', JSON.stringify(result));
});
transformer
// use pushSync() if transform function is synchronous
var result = transformer1.pushSync({
title: 'JsonBeat Billing',
customerId: 'hello.com',
items: [
{ label: 'Item#1', price: 15, amount: 2 },
{ label: 'Item#2', price: 17, amount: 3 }
]
});
console.log('pushSync() output: %s', JSON.stringify(result, null, 2));
// use push() + promise if transform function is asynchronous
transformer2.push({
title: 'JsonBeat Billing',
customerId: 'hello.com',
items: [
{ label: 'Item#1', price: 15, amount: 2 },
{ label: 'Item#2', price: 17, amount: 3 }
]
}).then(function(summary) {
console.log('push() output: %s', JSON.stringify(summary, null, 2));
}).catch(function(err) {
console.log('push() error: %s', JSON.stringify(err, null, 2));
});
// use push() + callback if transform function is asynchronous
transformer3.push({
title: 'JsonBeat Billing',
customerId: 'hello.com',
items: [
{ label: 'Item#1', price: 15, amount: 2 },
{ label: 'Item#2', price: 17, amount: 3 }
]
}, {}, function(err, summary) {
if (err) {
console.log('push() error: %s', JSON.stringify(err, null, 2));
}
console.log('push() output: %s', JSON.stringify(summary, null, 2));
});
FAQs
A step in JSON transforming flow
We found that jsonbeat demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Research
Security News
Socket researchers uncover a malicious npm package posing as a tool for detecting vulnerabilities in Etherium smart contracts.
Security News
Research
A supply chain attack on Rspack's npm packages injected cryptomining malware, potentially impacting thousands of developers.
Research
Security News
Socket researchers discovered a malware campaign on npm delivering the Skuld infostealer via typosquatted packages, exposing sensitive data.