freemius.js

import fs from 'fs';
import needle from 'needle';
import cryptojs from 'crypto-js';
import config from '../../../../caller/deploy.config.js';

export function deployZip() {
	// Base 64 URL encode.
	const base64_url_encode = function (str) {
		str = Buffer.from(str).toString('base64');
		str = str.replace(/=/g, '');
		return str;
	};
	const resource_url = '/v1/developers/' + config.developerId + '/plugins/' + config.pluginId + '/tags.json';
	const reqUrl = `https://api.freemius.com${resource_url}`;
	const boundary = '----' + (new Date().getTime()).toString(16);
	const content_md5 = '';
	const date = new Date().toUTCString();
	const string_to_sign = [
		'POST',
		content_md5,
		'multipart/form-data; boundary=' + boundary,
		date,
		resource_url
	].join("\n");
	const hash = cryptojs.HmacSHA256(string_to_sign, config.developerSecretKey);
	const base64_hash = base64_url_encode(hash.toString());
	const auth = `FS ${config.developerId}:${config.developerPublicKey}:${base64_hash}`;
	const buffer = fs.readFileSync(config.zipFilename);
	const options = {
		multipart: true,
		boundary: boundary,
		headers: {
			"Content-MD5": content_md5,
			"Date": date,
			"Authorization": auth
		}
	};
	const data = {
		release_mode: config.releaseStatus,
		add_contributor: config.addContributor,
		file: {
			buffer: buffer,
			filename: config.zipFilename,
			content_type: 'application/zip'
		}
	};

	try {
		needle.post(reqUrl, data, options, function (error, response, body) {
			var message;

			if (error) {
				console.log('Error deploying to Freemius.');
				return;
			}

			if (typeof body === 'object') {
				if (typeof body.error !== 'undefined') {
					message = `Error: ${body.error.message}`;
					console.log(message);
					return;
				}
				console.log(`Successfully deployed v${body.version} to Freemius.`);
			}
		});
	}
	catch (err) {
		console.log('Error deploying plugin zip file to Freemius', err);
		process.exit(1);
	}
}