73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
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const { Errors } = require('./enig_error.js');
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// deps
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const { isString, isObject } = require('lodash');
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const https = require('https');
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const httpSignature = require('http-signature');
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const crypto = require('crypto');
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exports.postJson = postJson;
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function postJson(url, json, options, cb) {
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if (!isString(json)) {
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json = JSON.stringify(json);
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}
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const defaultOptions = {
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method: 'POST',
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body: json,
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headers: {
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'Content-Type': 'application/json',
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},
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};
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options = Object.assign({}, defaultOptions, options);
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if (options?.sign?.headers?.includes('digest')) {
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options.headers['Digest'] = `SHA-256=${crypto
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.createHash('sha256')
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.update(json)
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.digest('base64')}`;
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}
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options.headers['Content-Length'] = json.length;
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const req = https.request(url, options, res => {
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let body = [];
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res.on('data', d => {
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body.push(d);
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});
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res.on('end', () => {
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body = Buffer.concat(body).toString();
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if (res.statusCode < 200 || res.statusCode > 299) {
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return cb(Errors.HttpError(`HTTP error ${res.statusCode}: ${body}`));
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}
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return cb(null, body, res);
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});
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});
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if (isObject(options.sign)) {
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try {
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httpSignature.sign(req, options.sign);
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} catch (e) {
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req.destroy();
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return cb(Errors.Invalid(`Invalid signing material: ${e}`));
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}
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}
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req.on('error', err => {
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return cb(err);
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});
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req.on('timeout', () => {
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req.destroy();
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return cb(Errors.Timeout('Timeout making HTTP request'));
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});
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req.write(json);
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req.end();
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}
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