gumroad-license-validator.gs

var GumroadLicenseValidator = /** @class */ (function () {
    function GumroadLicenseValidator() {
    }
    GumroadLicenseValidator.isLicenseValid = function () {
        var licenseDetails = GumroadLicenseValidator.getLicenseDetails();
        if (licenseDetails) {
            var gumroadResponse = JSON.parse(licenseDetails);
            if (gumroadResponse.success === true
                && gumroadResponse.refunded === false
                && gumroadResponse.disputed === false
                && gumroadResponse.chargebacked === false) {
                if (GumroadLicenseValidator.INCREMENT_USES_COUNT && gumroadResponse.uses > GumroadLicenseValidator.MAX_NUMBER_OF_USES) {
                    return false;
                }
                if (GumroadLicenseValidator.IS_SUBSCRIPTION
                    && gumroadResponse.subscription_cancelled_at !== null
                    && gumroadResponse.subscription_failed_at !== null) {
                    return false;
                }
                return true;
            }
            else {
                return false;
            }
        }
        return false;
    };
    GumroadLicenseValidator.validateLicense = function (licenseKey) {
        var response = UrlFetchApp.fetch("" + this.URL, {
            method: 'post',
            payload: {
                product_permalink: this.PRODUCT_PERMALINK,
                license_key: licenseKey
            },
            muteHttpExceptions: true
        });
        var license = response.getContentText();
        GumroadLicenseValidator.setLicenseInProps(license);
        return license;
    };
    GumroadLicenseValidator.setLicenseInProps = function (license) {
        var properties = { 'gumroadLicense': license };
        GumroadLicenseValidator.PROPERTY_STORE.setProperties(properties);
    };
    GumroadLicenseValidator.getLicenseDetails = function () {
        return GumroadLicenseValidator.PROPERTY_STORE.getProperty('gumroadLicense');
    };
    GumroadLicenseValidator.deleteLicenseFromProps = function () {
        GumroadLicenseValidator.PROPERTY_STORE.deleteProperty('gumroadLicense');
    };
    GumroadLicenseValidator.showLicenseKeyPrompt = function () {
        var ui = GumroadLicenseValidator.DOCUMENT_CONTAINER.getUi(); // Same variations.
        var result = ui.prompt('Activate License', 'Please enter your the license from your Gumroad transaction:', ui.ButtonSet.OK_CANCEL);
        // Process the user's response.
        var button = result.getSelectedButton();
        var licenseKey = result.getResponseText();
        if (button == ui.Button.OK) {
            //Here we will validate
            var licenseResponse = GumroadLicenseValidator.validateLicense(licenseKey);
            // User clicked "OK".
            ui.alert('Your license details are: ' + licenseResponse + '.');
        }
        else if (button == ui.Button.CANCEL) {
            // User clicked "Cancel".
            ui.alert('Certain features of this product won\'t work until you activate your license.');
        }
        else if (button == ui.Button.CLOSE) {
            // User clicked X in the title bar.
            ui.alert('Certain features of this product won\'t work until you activate your license.');
        }
    };
    GumroadLicenseValidator.showProps = function () {
        var ui = GumroadLicenseValidator.DOCUMENT_CONTAINER.getUi(); // Same variations.
        var license = GumroadLicenseValidator.getLicenseDetails();
        ui.alert(license || 'Props are empty');
    };
    GumroadLicenseValidator.showBuyModal = function () {
        var ui = GumroadLicenseValidator.DOCUMENT_CONTAINER.getUi(); // Same variations.
        var htmlOutput = HtmlService
            .createHtmlOutputFromFile('index')
            .setWidth(450)
            .setHeight(700);
        ui.showModalDialog(htmlOutput, 'Buy Now');
    };
    GumroadLicenseValidator.URL = 'https://api.gumroad.com/v2/licenses/verify';
    /**
     * CONFIGURE THESE VALUES
     * **/
    // private static PRODUCT_PERMALINK: string = 'yyTnc';
    GumroadLicenseValidator.PRODUCT_PERMALINK = 'AEFYq';
    GumroadLicenseValidator.DOCUMENT_CONTAINER = SpreadsheetApp;
    GumroadLicenseValidator.PROPERTY_STORE = PropertiesService.getScriptProperties();
    GumroadLicenseValidator.INCREMENT_USES_COUNT = true;
    GumroadLicenseValidator.MAX_NUMBER_OF_USES = 1;
    GumroadLicenseValidator.IS_SUBSCRIPTION = false;
    return GumroadLicenseValidator;
}());