node-red/nodes/core/io/05-tls.html

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<script type="text/x-red" data-template-name="tls-config">
    <div class="form-row" class="hide" id="node-config-row-uselocalfiles">
        <input type="checkbox" id="node-config-input-uselocalfiles" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-config-input-uselocalfiles" style="width: 70%;"><span data-i18n="tls.label.use-local-files"></label>
    </div>
    <div class="form-row">
        <label style="width: 120px;"><i class="fa fa-file-text-o"></i> <span data-i18n="tls.label.cert"></span></label>
        <span class="tls-config-input-data">
            <label class="editor-button" for="node-config-input-certfile"><i class="fa fa-upload"></i> <span data-i18n="tls.label.upload"></span></label>
            <input class="hide" type="file" id="node-config-input-certfile">
            <span id="tls-config-certname" style="width: 180px; overflow: hidden; line-height:34px; height:34px; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: middle;"> </span>
            <button class="editor-button editor-button-small" id="tls-config-button-cert-clear" style="margin-left: 10px"><i class="fa fa-times"></i></button>
        </span>
        <input type="hidden" id="node-config-input-certname">
        <input type="hidden" id="node-config-input-certdata">
        <input class="hide tls-config-input-path" style="width: 60%;" type="text" id="node-config-input-cert" data-i18n="[placeholder]tls.placeholder.cert">
    </div>
    <div class="form-row">
        <label style="width: 120px;" for="node-config-input-key"><i class="fa fa-file-text-o"></i> <span data-i18n="tls.label.key"></span></label>
        <span class="tls-config-input-data">
            <label class="editor-button" for="node-config-input-keyfile"><i class="fa fa-upload"></i> <span data-i18n="tls.label.upload"></span></label>
            <input class="hide" type="file" id="node-config-input-keyfile">
            <span id="tls-config-keyname" style="width: 180px; overflow: hidden; line-height:34px; height:34px; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: middle;"> </span>
            <button class="editor-button editor-button-small" id="tls-config-button-key-clear" style="margin-left: 10px"><i class="fa fa-times"></i></button>
        </span>
        <input type="hidden" id="node-config-input-keyname">
        <input type="hidden" id="node-config-input-keydata">
        <input class="hide tls-config-input-path" style="width: 60%;" type="text" id="node-config-input-key" data-i18n="[placeholder]tls.placeholder.key">
    </div>
    <div class="form-row">
        <label style="width: 120px;" for="node-config-input-ca"><i class="fa fa-file-text-o"></i> <span data-i18n="tls.label.ca"></span></label>
        <span class="tls-config-input-data">
            <label class="editor-button" for="node-config-input-cafile"><i class="fa fa-upload"></i> <span data-i18n="tls.label.upload"></span></label>
            <input class="hide" type="file" title=" " id="node-config-input-cafile">
            <span id="tls-config-caname" style="width: 180px; overflow: hidden; line-height:34px; height:34px; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: middle;"> </span>
            <button class="editor-button editor-button-small" id="tls-config-button-ca-clear" style="margin-left: 10px"><i class="fa fa-times"></i></button>
        </span>
        <input type="hidden" id="node-config-input-caname">
        <input type="hidden" id="node-config-input-cadata">
        <input class="hide tls-config-input-path" style="width: 60%;" type="text" id="node-config-input-ca" data-i18n="[placeholder]tls.placeholder.ca">
    </div>
    <div class="form-row">
        <input type="checkbox" id="node-config-input-verifyservercert" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-config-input-verifyservercert" style="width: 70%;" data-i18n="tls.label.verify-server-cert"></label>
    </div>
    <div class="form-row">
        <label style="width: 120px;" for="node-config-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input style="width: 60%;" type="text" id="node-config-input-name" data-i18n="[placeholder]common.label.name">
    </div>
</script>

<script type="text/x-red" data-help-name="tls-config">
    <p>Configuration options for TLS connections.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('tls-config',{
        category: 'config',
        defaults: {
            name: {value:""},
            cert: {value:"", validate: function(v) {
                var currentKey = $("#node-config-input-key").val();
                if (currentKey === undefined) {
                    currentKey = this.key;
                }
                return currentKey === '' || v != '';
            }},
            key: {value:"", validate: function(v) {
                var currentCert = $("#node-config-input-cert").val();
                if (currentCert === undefined) {
                    currentCert = this.cert;
                }
                return currentCert === '' || v != '';
            }},
            ca: {value:""},
            certname: {value:""},
            keyname: {value:""},
            caname: {value:""},
            verifyservercert: {value: true}
        },
        credentials: {
            certdata: {type:"text"},
            keydata: {type:"text"},
            cadata: {type:"text"}
        },
        label: function() {
            return this.name || this._("tls.tls");
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            function updateFileUpload() {
                if ($("#node-config-input-uselocalfiles").is(':checked')) {
                    $(".tls-config-input-path").show();
                    $(".tls-config-input-data").hide();
                } else {
                    $(".tls-config-input-data").show();
                    $(".tls-config-input-path").hide();
                }
            }
            $("#node-config-input-uselocalfiles").on("click",function() {
                updateFileUpload();
            });

            function saveFile(property, file) {
                var dataInputId = "#node-config-input-"+property+"data";
                var filenameInputId = "#node-config-input-"+property+"name";
                var filename = file.name;
                var reader = new FileReader();
                reader.onload = function(event) {
                    $("#tls-config-"+property+"name").text(filename);
                    $(filenameInputId).val(filename);
                    $(dataInputId).val(event.target.result);
                }
                reader.readAsText(file,"UTF-8");
            }
            $("#node-config-input-certfile" ).change(function() {
                saveFile("cert", this.files[0]);
            });
            $("#node-config-input-keyfile" ).change(function() {
                saveFile("key", this.files[0]);
            });
            $("#node-config-input-cafile" ).change(function() {
                saveFile("ca", this.files[0]);
            });

            function clearNameData(prop) {
                $("#tls-config-"+prop+"name").text("");
                $("#node-config-input-"+prop+"data").val("");
                $("#node-config-input-"+prop+"name").val("");
            }
            $("#tls-config-button-cert-clear").click(function() {
                clearNameData("cert");
            });
            $("#tls-config-button-key-clear").click(function() {
                clearNameData("key");
            });
            $("#tls-config-button-ca-clear").click(function() {
                clearNameData("ca");
            });

            if (RED.settings.tlsDisableLocalFiles) {
                $("#node-config-row-uselocalfiles").hide();
            } else {
                $("#node-config-row-uselocalfiles").show();
            }
            // in case paths were set from old TLS config
            if(this.cert || this.key || this.ca) {
                $("#node-config-input-uselocalfiles").prop('checked',true);
            }
            $("#tls-config-certname").text(this.certname);
            $("#tls-config-keyname").text(this.keyname);
            $("#tls-config-caname").text(this.caname);
            updateFileUpload();
        },
        oneditsave: function() {
            if ($("#node-config-input-uselocalfiles").is(':checked')) {
                clearNameData("ca");
                clearNameData("cert");
                clearNameData("key");
            } else {
                $("#node-config-input-ca").val("");
                $("#node-config-input-cert").val("");
                $("#node-config-input-key").val("");            
            }
        }
    });
</script>