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node-red-nodes/storage/ddb/aws.js

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/**
* Copyright 2013 Wolfgang Nagele
*
* 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 RED = require(process.env.NODE_RED_HOME+"/red/red");
var querystring = require('querystring');
function AWSCredentialsNode(n) {
RED.nodes.createNode(this, n);
var credentials = RED.nodes.getCredentials(n.id);
if (credentials) {
this.accessKey = credentials.accessKey;
this.secretAccessKey = credentials.secretAccessKey;
}
}
RED.nodes.registerType("aws credentials", AWSCredentialsNode);
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RED.httpAdmin.get('/aws-credentials/:id', function(req, res) {
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var credentials = RED.nodes.getCredentials(req.params.id);
if (credentials) {
res.send(JSON.stringify({ accessKey: credentials.accessKey, secretAccessKey: credentials.secretAccessKey }));
} else {
res.send(JSON.stringify({}));
}
});
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RED.httpAdmin.delete('/aws-credentials/:id', function(req, res) {
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RED.nodes.deleteCredentials(req.params.id);
res.send(200);
});
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RED.httpAdmin.post('/aws-credentials/:id', function(req, res) {
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var body = "";
req.on("data", function(chunk) {
body += chunk;
});
req.on("end", function() {
var newCreds = querystring.parse(body);
var credentials = RED.nodes.getCredentials(req.params.id) || {};
if (newCreds.accessKey == null || newCreds.accessKey == "") {
delete credentials.accessKey;
} else {
credentials.accessKey = newCreds.accessKey || credentials.accessKey;
}
if (newCreds.secretAccessKey == null || newCreds.secretAccessKey == "") {
delete credentials.secretAccessKey;
} else {
credentials.secretAccessKey = newCreds.secretAccessKey || credentials.secretAccessKey;
}
RED.nodes.addCredentials(req.params.id, credentials);
res.send(200);
});
});