31 lines
929 B
JavaScript
31 lines
929 B
JavaScript
const AWS = require('aws-sdk');
|
|
|
|
const lambda = new AWS.Lambda({
|
|
credentials: {
|
|
accessKeyId: process.env.AWS_LAMBDA_EXECUTE_KEY,
|
|
secretAccessKey: process.env.AWS_LAMBDA_EXECUTE_SECRET
|
|
},
|
|
region: 'us-east-1'
|
|
});
|
|
|
|
module.exports = function getUrlHash (targetUrl, algorithm = 'sha256') {
|
|
return new Promise((resolve, reject) => {
|
|
lambda.invoke({
|
|
FunctionName: 'hasher',
|
|
Payload: JSON.stringify({
|
|
targetUrl,
|
|
algorithm
|
|
})
|
|
}, (err, data) => {
|
|
if (err) return reject(err);
|
|
try {
|
|
const response = JSON.parse(data.Payload);
|
|
if (response.statusCode !== 200) return reject(new Error('non-200 status code received from hasher function'));
|
|
if (!response.hash) return reject(new Error('Successful lambda call but failed to get valid hash'));
|
|
resolve(response.hash);
|
|
} catch (err) {
|
|
return reject(err);
|
|
}
|
|
});
|
|
});
|
|
};
|