node-red/nodes/core/io/10-mqtt.html

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  Copyright 2013, 2016 IBM Corp.
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
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  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
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<script type="text/x-red" data-template-name="mqtt in">
    <div class="form-row">
        <label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
        <input type="text" id="node-input-broker">
    </div>
    <div class="form-row">
        <label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
        <input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
    </div>
    <div class="form-row">
        <label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
        <select id="node-input-qos" style="width:125px !important">
            <option value="0">0</option>
            <option value="1">1</option>
            <option value="2">2</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
</script>

<script type="text/x-red" data-help-name="mqtt in">
    <p>Connects to a broker and subscribes to the specified topic.</p>
    <p>Outputs a message with the properties:</p>
    <ul>
       <li><code>msg.topic</code></li>
       <li><code>msg.payload</code></li>
       <li><code>msg.qos</code></li>
       <li><code>msg.retain</code></li>
    </ul>
    <p><code>msg.payload</code> will be a String, unless it is detected as a binary buffer.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('mqtt in',{
        category: 'input',
        defaults: {
            name: {value:""},
            topic: {value:"",required:true,validate: RED.validators.regex(/^(#$|(\+|[^+#]*)(\/(\+|[^+#]*))*(\/(\+|#|[^+#]*))?$)/)},
            qos: {value: "2"},
            broker: {type:"mqtt-broker", required:true}
        },
        color:"#d8bfd8",
        inputs:0,
        outputs:1,
        icon: "bridge.png",
        label: function() {
            return this.name||this.topic||"mqtt";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            if (this.qos === undefined) {
                $("#node-input-qos").val("2");
            }
        }
    });
</script>

<script type="text/x-red" data-template-name="mqtt out">
    <div class="form-row">
        <label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
        <input type="text" id="node-input-broker">
    </div>
    <div class="form-row">
        <label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
        <input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
    </div>
    <div class="form-row">
        <label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
        <select id="node-input-qos" style="width:125px !important">
            <option value=""></option>
            <option value="0">0</option>
            <option value="1">1</option>
            <option value="2">2</option>
        </select>
        &nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-input-retain" style="width:125px !important">
            <option value=""></option>
            <option value="false" data-i18n="mqtt.false"></option>
            <option value="true" data-i18n="mqtt.true"></option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
    <div class="form-tips"><span data-i18n="mqtt.tip"></span></div>
</script>

<script type="text/x-red" data-help-name="mqtt out">
    <p>Connects to a MQTT broker and publishes messages.</p>
    <p><code>msg.payload</code> is used as the payload of the published message.
    If it contains an Object it will be converted to JSON before being sent.
    </p>
    <p>The topic used can be configured in the node or, if left blank, can be set
       by <code>msg.topic</code>.</p>
    <p>Likewise the QoS and retain values can be configured in the node or, if left
       blank, set by <code>msg.qos</code> and <code>msg.retain</code> respectively.
       By default, messages are published at QoS 0 with the retain flag set to false.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('mqtt out',{
        category: 'output',
        defaults: {
            name: {value:""},
            topic: {value:""},
            qos: {value:""},
            retain: {value:""},
            broker: {type:"mqtt-broker", required:true}
        },
        color:"#d8bfd8",
        inputs:1,
        outputs:0,
        icon: "bridge.png",
        align: "right",
        label: function() {
            return this.name||this.topic||"mqtt";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<script type="text/x-red" data-template-name="mqtt-broker">
    <div class="form-row">
        <ul style="background: #fff; min-width: 600px; margin-bottom: 20px;" id="node-config-mqtt-broker-tabs"></ul>
    </div>
    <div id="node-config-mqtt-broker-tabs-content" style="min-height: 170px;">
        <div id="mqtt-broker-tab-connection" style="display:none">
            <div class="form-row node-input-broker">
                <label for="node-config-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
                <input class="input-append-left" type="text" id="node-config-input-broker" placeholder="e.g. localhost" style="width: 40%;" >
                <label for="node-config-input-port" style="margin-left: 10px; width: 35px; "> <span data-i18n="mqtt.label.port"></span></label>
                <input type="text" id="node-config-input-port" data-i18n="[placeholder]mqtt.label.port" style="width:45px">
            </div>
            <div class="form-row">
                <input type="checkbox" id="node-config-input-usetls" style="display: inline-block; width: auto; vertical-align: top;">
                <label for="node-config-input-usetls" style="width: auto" data-i18n="mqtt.label.use-tls"></label>
                <div id="node-config-row-tls" class="hide">
                    <label style="width: auto; margin-left: 20px; margin-right: 10px;" for="node-config-input-tls"><span data-i18n="mqtt.label.tls-config"></span></label><input style="width: 300px;" type="text" id="node-config-input-tls">
                </div>
            </div>
            <div class="form-row">
                <label for="node-config-input-clientid"><i class="fa fa-tag"></i> <span data-i18n="mqtt.label.clientid"></span></label>
                <input type="text" id="node-config-input-clientid" data-i18n="[placeholder]mqtt.placeholder.clientid">
            </div>
            <div class="form-row">
                <label for="node-config-input-keepalive" style="width: auto"><i class="fa fa-clock-o"></i> <span data-i18n="mqtt.label.keepalive"></span></label>
                <input type="text" id="node-config-input-keepalive" style="width: 50px">
                <input type="checkbox" id="node-config-input-cleansession" style="margin-left: 30px; height: 1em;display: inline-block; width: auto; vertical-align: middle;">
                <label for="node-config-input-cleansession" style="width: auto;" data-i18n="mqtt.label.cleansession"></label>
            </div>
            <div class="form-row">
                <input type="checkbox" id="node-config-input-compatmode" style="display: inline-block; width: auto; vertical-align: top;">
                <label for="node-config-input-compatmode" style="width: auto;" data-i18n="mqtt.label.compatmode"></label>
            </div>
        </div>
        <div id="mqtt-broker-tab-security" style="display:none">
            <div class="form-row">
                <label for="node-config-input-user"><i class="fa fa-user"></i> <span data-i18n="common.label.username"></span></label>
                <input type="text" id="node-config-input-user">
            </div>
            <div class="form-row">
                <label for="node-config-input-password"><i class="fa fa-lock"></i> <span data-i18n="common.label.password"></span></label>
                <input type="password" id="node-config-input-password">
            </div>
        </div>
        <div id="mqtt-broker-tab-birth" style="display:none">
            <div class="form-row">
                <label for="node-config-input-birthTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
                <input type="text" id="node-config-input-birthTopic" data-i18n="[placeholder]mqtt.placeholder.birth-topic">
            </div>
            <div class="form-row">
                <label for="node-config-input-birthQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
                <select id="node-config-input-birthQos" style="width:125px !important">
                    <option value="0">0</option>
                    <option value="1">1</option>
                    <option value="2">2</option>
                </select>
                &nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-config-input-birthRetain" style="width:125px !important">
                    <option value="false" data-i18n="mqtt.false"></option>
                    <option value="true" data-i18n="mqtt.true"></option>
                </select>
            </div>
            <div class="form-row">
                <label for="node-config-input-birthPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
                <input type="text" id="node-config-input-birthPayload" data-i18n="[placeholder]common.label.payload">
            </div>
        </div>
        <div id="mqtt-broker-tab-will" style="display:none">
            <div class="form-row">
                <label for="node-config-input-willTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
                <input type="text" id="node-config-input-willTopic" data-i18n="[placeholder]mqtt.placeholder.will-topic">
            </div>
            <div class="form-row">
                <label for="node-config-input-willQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
                <select id="node-config-input-willQos" style="width:125px !important">
                    <option value="0">0</option>
                    <option value="1">1</option>
                    <option value="2">2</option>
                </select>
                &nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-config-input-willRetain" style="width:125px !important">
                    <option value="false" data-i18n="mqtt.false"></option>
                    <option value="true" data-i18n="mqtt.true"></option>
                </select>
            </div>
            <div class="form-row">
                <label for="node-config-input-willPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
                <input type="text" id="node-config-input-willPayload" data-i18n="[placeholder]common.label.payload">
            </div>
        </div>
    </div>
</script>

<script type="text/x-red" data-help-name="mqtt-broker">
    <p>A minimum MQTT broker connection requires only a broker server address to be added to the default configuration.</p>
    <p>To secure the connection with SSL/TLS, a TLS Configuration must also be configured and selected.</p>
    <p>If you create a Client ID it must be unique to the broker you are connecting to.</p>
    <p>For more information about MQTT see the <a href="http://www.eclipse.org/paho/" target="_blank">Eclipse Paho</a> site.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('mqtt-broker',{
        category: 'config',
        defaults: {
            broker: {value:"",required:true},
            port: {value:1883,required:true,validate:RED.validators.number()},
            tls: {type:"tls-config",required: false},
            clientid: {value:"", validate: function(v) {
                    if ($("#node-config-input-clientid").length) {
                        // Currently editing the node
                        return $("#node-config-input-cleansession").is(":checked") || (v||"").length > 0;
                    } else {
                        return (this.cleansession===undefined || this.cleansession) || (v||"").length > 0;
                    }
                }},
            usetls: {value: false},
            verifyservercert: { value: false},
            compatmode: { value: true},
            keepalive: {value:60,validate:RED.validators.number()},
            cleansession: {value: true},
            willTopic: {value:""},
            willQos: {value:"0"},
            willRetain: {value:false},
            willPayload: {value:""},
            birthTopic: {value:""},
            birthQos: {value:"0"},
            birthRetain: {value:false},
            birthPayload: {value:""}
        },
        credentials: {
            user: {type:"text"},
            password: {type: "password"}
        },
        label: function() {
            var b = this.broker;
            if (b === "") { b = "undefined"; }
            return (this.clientid?this.clientid+"@":"")+b+":"+this.port;
        },
        oneditprepare: function () {
            var tabs = RED.tabs.create({
                id: "node-config-mqtt-broker-tabs",
                onchange: function(tab) {
                    $("#node-config-mqtt-broker-tabs-content").children().hide();
                    $("#" + tab.id).show();
                }
            });
            tabs.addTab({
                id: "mqtt-broker-tab-connection",
                label: this._("mqtt.tabs-label.connection")
            });
            tabs.addTab({
                id: "mqtt-broker-tab-security",
                label: this._("mqtt.tabs-label.security")
            });
            tabs.addTab({
                id: "mqtt-broker-tab-birth",
                label: this._("mqtt.tabs-label.birth")
            });
            tabs.addTab({
                id: "mqtt-broker-tab-will",
                label: this._("mqtt.tabs-label.will")
            });
            setTimeout(function() { tabs.resize()},0);
            if (typeof this.cleansession === 'undefined') {
                this.cleansession = true;
                $("#node-config-input-cleansession").prop("checked",true);
            }
            if (typeof this.usetls === 'undefined') {
                this.usetls = false;
                $("#node-config-input-usetls").prop("checked",false);
            }
            if (typeof this.compatmode === 'undefined') {
                this.compatmode = true;
                $("#node-config-input-compatmode").prop('checked', true);
            }
            if (typeof this.keepalive === 'undefined') {
                this.keepalive = 15;
                $("#node-config-input-keepalive").val(this.keepalive);
            }
            if (typeof this.willQos === 'undefined') {
                this.willQos = "0";
                $("#node-config-input-willQos").val("0");
            }
            if (typeof this.birthQos === 'undefined') {
                this.birthQos = "0";
                $("#node-config-input-birthQos").val("0");
            }

            function updateTLSOptions() {
                if ($("#node-config-input-usetls").is(':checked')) {
                    $("#node-config-row-tls").show();
                } else {
                    $("#node-config-row-tls").hide();
                }
            }
            updateTLSOptions();
            $("#node-config-input-usetls").on("click",function() {
                updateTLSOptions();
            });
            var node = this;
            function updateClientId() {
                if ($("#node-config-input-cleansession").is(":checked")) {
                    $("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid"));
                } else {
                    $("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid-nonclean"));
                }
                $("#node-config-input-clientid").change();
            }
            setTimeout(updateClientId,0);
            $("#node-config-input-cleansession").on("click",function() {
                updateClientId();
            });
        },
        oneditsave: function() {
            if (!$("#node-config-input-usetls").is(':checked')) {
                $("#node-config-input-tls").val("");
            }
        }
    });
</script>