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