connect-sdk-nodejs/lib/utils/context.js

SDK to communicate with the Ingenico ePayments platform using the Ingenico Connect Server API

"use strict";
const crypto = require("crypto");
const _ = require("lodash");
/**
 * @param  {Array} gcsHeaders Collection of headers that need to be sorted; only headers that start with X-GCS will be returned
 */
function getSortedHeadersForContext(gcsHeaders) {
    let headers = "";
    if (gcsHeaders) {
        let sortedXGCSHeaders = [];
        _.forEach(gcsHeaders, header => {
            if (header.key.toUpperCase().indexOf("X-GCS") === 0) {
                // add this header
                sortedXGCSHeaders.push(header);
            }
        });
        sortedXGCSHeaders = sortedXGCSHeaders.sort((a, b) => {
            a.key = a.key.toUpperCase();
            b.key = b.key.toUpperCase();
            if (a.key < b.key) {
                return -1;
            }
            else if (a.key > b.key) {
                return 1;
            }
            else {
                return 0;
            }
        });
        _.forEach(sortedXGCSHeaders, header => {
            headers += header.key.toLowerCase() + ":" + header.value + "\n";
        });
    }
    return headers;
}
class SdkContextImpl {
    notSetError(name) {
        throw new Error(name + " has not been set");
    }
    setContext(context) {
        this.context = context;
    }
    getContext() {
        return this.context || this.notSetError("context");
    }
    getSignature(method, contentType, date, gcsHeaders, path) {
        const headers = getSortedHeadersForContext(gcsHeaders);
        return crypto
            .createHmac("SHA256", this.getContext().secretApiKey)
            .update(method + "\n" + contentType + "\n" + date + "\n" + headers + path + "\n")
            .digest("base64");
    }
    setLogger(logger) {
        this.logger = logger;
    }
    getLogger() {
        return this.logger || this.notSetError("logger");
    }
    setEnableLogging(isLoggingEnabled) {
        this.enableLogging = isLoggingEnabled;
    }
    setIdempotenceRequestTimestamp(ts) {
        this.idempotenceRequestTimestamp = ts;
    }
    getIdempotenceRequestTimestamp() {
        return this.idempotenceRequestTimestamp;
    }
    setIntegrator(integrator) {
        if (this.integrator) {
            if (this.isLoggingEnabled()) {
                this.getLogger()("error", "integrator has already been set and cannot be overwritten");
            }
            throw new Error("integrator has already been set and cannot be overwritten");
        }
        if (!integrator) {
            if (this.isLoggingEnabled()) {
                this.getLogger()("error", "integrator is required");
            }
            throw new Error("integrator is required");
        }
        this.integrator = integrator;
    }
    getIntegrator() {
        return this.integrator || this.notSetError("integrator");
    }
    setShoppingCartExtension(shoppingCartExtension) {
        if (this.shoppingCartExtension) {
            if (this.isLoggingEnabled()) {
                this.getLogger()("error", "shoppingCartExtension has already been set and cannot be overwritten");
            }
            throw new Error("shoppingCartExtension has already been set and cannot be overwritten");
        }
        if (shoppingCartExtension) {
            if (shoppingCartExtension.creator && shoppingCartExtension.name && shoppingCartExtension.version) {
                this.shoppingCartExtension = shoppingCartExtension;
            }
            else {
                if (this.isLoggingEnabled()) {
                    this.getLogger()("warn", "shoppingCartExtension is missing a required property (creator / name / version). Your shoppingCartExtension: " + JSON.stringify(shoppingCartExtension));
                }
            }
        }
    }
    getShoppingCartExtension() {
        return this.shoppingCartExtension;
    }
    isLoggingEnabled() {
        return this.enableLogging || false;
    }
}
const sdkContext = new SdkContextImpl();
module.exports = sdkContext;
//# sourceMappingURL=context.js.map