node-red-contrib-snap4city-user
Version:
Nodes for Snap4city project, targeted to standard user (no developer)
125 lines (114 loc) • 6.73 kB
JavaScript
/* NODE-RED-CONTRIB-SNAP4CITY-USER
Copyright (C) 2018 DISIT Lab http://www.disit.org - University of Florence
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
module.exports = function (RED) {
function IotDirectoryGetDevice(config) {
RED.nodes.createNode(this, config);
var node = this;
node.on('input', function (msg) {
var s4cUtility = require("./snap4city-utility.js");
const logger = s4cUtility.getLogger(RED, node);
const uid = s4cUtility.retrieveAppID(RED);
node.s4cAuth = RED.nodes.getNode(config.authentication);
var uri = ( (node.s4cAuth != null && node.s4cAuth.domain) ? node.s4cAuth.domain + "/iot-directory/" : ( RED.settings.iotDirectoryUrl ? RED.settings.iotDirectoryUrl : "https://www.snap4city.org/iot-directory/" ));
var inPayload = msg.payload;
var deviceName = (msg.payload.devicename ? msg.payload.devicename : config.devicename);
var cbName = (msg.payload.cbname ? msg.payload.cbname : config.cbs);
var service = (msg.payload.service ? msg.payload.service : config.service);
var servicePath = (msg.payload.servicepath ? msg.payload.servicepath : config.servicepath);
var accessToken = s4cUtility.retrieveAccessToken(RED, node, config.authentication, uid);
if (accessToken != "" && typeof accessToken != "undefined") {
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
var xmlHttp = new XMLHttpRequest();
var uri = encodeURI(uri + "/api/device.php?action=get_device_simple&nodered=yes&token=" + accessToken + "&id=" + deviceName + "&contextbroker=" + cbName + (service ? "&service=" + service : "") + (servicePath ? "&servicePath=" + servicePath : ""));
logger.info(uri);
xmlHttp.open("GET", uri, true);
xmlHttp.setRequestHeader("Content-Type", "application/json");
xmlHttp.setRequestHeader("Authorization", "Bearer " + accessToken);
xmlHttp.onload = function (e) {
if (xmlHttp.readyState === 4) {
if (xmlHttp.status === 200) {
if (xmlHttp.responseText != "") {
try {
msg.payload = JSON.parse(xmlHttp.responseText);
} catch (e) {
logger.error("Problem Parsing data " + xmlHttp.responseText);
msg.payload = xmlHttp.responseText;
}
} else {
msg.payload = JSON.parse("{\"status\": \"There was some problem\"}");
logger.error("Problem Parsing data " + xmlHttp.responseText);
}
s4cUtility.eventLog(RED, inPayload, msg, config, "Node-Red", "get-device", uri, "RX");
node.send(msg);
} else {
logger.error(xmlHttp.statusText);
node.error(xmlHttp.responseText);
}
}
};
xmlHttp.onerror = function (e) {
logger.error(xmlHttp.statusText);
node.error(xmlHttp.responseText);
};
xmlHttp.send(null);
}
});
}
RED.nodes.registerType("iotdirectory-get-device", IotDirectoryGetDevice);
RED.httpAdmin.get('/iotDirectoryUrl', function (req, res) {
var iotDirectoryUrl = (RED.settings.iotDirectoryUrl ? RED.settings.iotDirectoryUrl : "https://www.snap4city.org/iot-directory/");
res.send({
"iotDirectoryUrl": iotDirectoryUrl
});
});
RED.httpAdmin.get('/myCBList', RED.auth.needsPermission('iotdirectory-get-device.read'), function (req, res) {
var s4cUtility = require("./snap4city-utility.js");
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
var xmlHttp = new XMLHttpRequest();
var iotDirectoryUrl = (RED.settings.iotDirectoryUrl ? RED.settings.iotDirectoryUrl : "https://iotdirectory.snap4city.org/");
var accessToken = s4cUtility.retrieveAccessToken(RED, null, null, null);
if (accessToken != "" && iotDirectoryUrl != "") {
console.log("scenario online " + iotDirectoryUrl + "/api/contextbroker.php?action=get_all_contextbroker_simple&nodered=yes&token=");
xmlHttp.open("GET", encodeURI(iotDirectoryUrl + "/api/contextbroker.php?action=get_all_contextbroker_simple&nodered=yes&token=" + accessToken), true); // false for synchronous request
xmlHttp.onload = function (e) {
if (xmlHttp.readyState === 4) {
if (xmlHttp.status === 200) {
console.log("ResponseText: " + xmlHttp.responseText);
if (xmlHttp.responseText != "") {
try {
var response = "";
try {
response = JSON.parse(xmlHttp.responseText);
} catch (error) {
console.log("Problem Parsing data " + xmlHttp.responseText);
}
console.log("Response: " + response);
res.send({
"cbList": response
});
} catch (e) {
res.send("");
}
}
} else {
console.log(xmlHttp.statusText);
}
}
};
xmlHttp.onerror = function (e) {
console.log(xmlHttp.statusText);
};
xmlHttp.send(null);
}
});
}