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

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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 fs = require('fs');
module.exports = function(RED) {
"use strict";
function TLSConfig(n) {
RED.nodes.createNode(this,n);
this.valid = true;
this.verifyservercert = n.verifyservercert;
var certPath = n.cert.trim();
var keyPath = n.key.trim();
var caPath = n.ca.trim();
if ((certPath.length > 0) || (keyPath.length > 0)) {
if ( (certPath.length > 0) !== (keyPath.length > 0)) {
this.valid = false;
this.error(RED._("tls.error.missing-file"));
return;
}
try {
if (certPath) {
this.cert = fs.readFileSync(certPath);
}
if (keyPath) {
this.key = fs.readFileSync(keyPath);
}
if (caPath) {
this.ca = fs.readFileSync(caPath);
}
} catch(err) {
this.valid = false;
this.error(err.toString());
return;
}
} else {
if (this.credentials) {
var certData = this.credentials.certdata || "";
var keyData = this.credentials.keydata || "";
var caData = this.credentials.cadata || "";
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if ((certData.length > 0) !== (keyData.length > 0)) {
this.valid = false;
this.error(RED._("tls.error.missing-file"));
return;
}
if (certData) {
this.cert = certData;
}
if (keyData) {
this.key = keyData;
}
if (caData) {
this.ca = caData;
}
}
}
}
RED.nodes.registerType("tls-config", TLSConfig, {
credentials: {
certdata: {type:"text"},
keydata: {type:"text"},
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cadata: {type:"text"},
passphrase: {type:"password"}
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},
settings: {
tlsConfigDisableLocalFiles: {
value: false,
exportable: true
}
}
});
TLSConfig.prototype.addTLSOptions = function(opts) {
if (this.valid) {
if (this.key) {
opts.key = this.key;
}
if (this.cert) {
opts.cert = this.cert;
}
if (this.ca) {
opts.ca = this.ca;
}
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if (this.credentials && this.credentials.passphrase) {
opts.passphrase = this.credentials.passphrase;
}
opts.rejectUnauthorized = this.verifyservercert;
}
return opts;
}
}