zotonic_mod_base

/**
 * Copyright 2021 The Cotonic Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


var cotonic = cotonic || {};

(function(cotonic) {
"use strict";

    function s4() {
        return Math.floor((1 + Math.random()) * 0x10000)
            .toString(16)
            .substring(1);
    }

    function setcookie(value) {
        cotonic.broker.publish("model/document/post/cookie/cotonic-sid",
                { value: value, exdays: 14 });
    }

    function generate() {
        let value = s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
        window.localStorage.setItem("cotonic-sid", JSON.stringify(value));
        cotonic.broker.publish("model/document/post/cookie/cotonic-sid",
                { value: value, exdays: 4 });
        cotonic.broker.publish("model/sessionId/event", value);
        return value;
    }

    cotonic.broker.subscribe("model/sessionId/get", function(msg, bindings) {
        if (msg.properties.response_topic) {
            let value = window.localStorage.getItem("cotonic-sid");
            if (typeof value == "string") {
                try { value = JSON.parse(value); }
                catch (e) {
                    value = generate();
                }
            } else {
                value = generate();
            }
            cotonic.broker.publish(msg.properties.response_topic, value);
        }
    });

    cotonic.broker.subscribe("model/sessionId/post/reset", function(msg, bindings) {
        let value = generate();
        if (msg.properties.response_topic) {
            cotonic.broker.publish(msg.properties.response_topic, value);
        }
    });

    cotonic.broker.subscribe("model/sessionId/delete", function(msg, bindings) {
        window.localStorage.removeItem("cotonic-sid");
        if (msg.properties.response_topic) {
            cotonic.broker.publish(msg.properties.response_topic, null);
        }
        cotonic.broker.publish("model/document/post/cookie/cotonic-sid",
                { value: "", exdays: 0 });
        cotonic.broker.publish("model/sessionId/event", null);
    });

    cotonic.broker.subscribe("model/localStorage/event/cotonic-sid", function(value) {
        cotonic.broker.publish("model/sessionId/event", value);
    });


    function init() {
        let value = window.localStorage.getItem("cotonic-sid");
        if (typeof value == "string") {
            try {
                value = JSON.parse(value);
                if (typeof value == "string" && value !== "") {
                    setcookie(value);
                } else {
                    generate();
                }
            }
            catch (e) {
                value = generate();
            }
        } else {
            value = generate();
        }
    }

    init();

    cotonic.broker.publish("model/sessionId/event/ping", "pong", { retain: true });

}(cotonic));