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main.js
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"use strict";
/*
* Created with @iobroker/create-adapter v1.34.1
*/
// The adapter-core module gives you access to the core ioBroker functions
// you need to create an adapter
const utils = require("@iobroker/adapter-core");
const rax = require("retry-axios");
const axios = require("axios");
const crypto = require("crypto");
const qs = require("qs");
const { extractKeys } = require("./lib/extractKeys");
class Viessmannapi extends utils.Adapter {
/**
* @param {Partial<utils.AdapterOptions>} [options={}]
*/
constructor(options) {
super({
...options,
name: "viessmannapi",
});
this.on("ready", this.onReady.bind(this));
this.on("stateChange", this.onStateChange.bind(this));
this.on("unload", this.onUnload.bind(this));
this.installationArray = [];
this.userAgent = "ioBroker 2.0.4";
}
/**
* Is called when databases are connected and adapter received configuration.
*/
async onReady() {
// Reset the connection indicator during startup
this.setState("info.connection", false, true);
if (this.config.interval < 0.5) {
this.log.info("Set interval to minimum 0.5");
this.config.interval = 0.5;
}
if (this.config.eventInterval < 0.5) {
this.log.info("Set interval to minimum 0.5");
this.config.eventInterval = 0.5;
}
this.requestClient = axios.create();
this.requestClient.defaults.raxConfig = {
instance: this.requestClient,
statusCodesToRetry: [[500, 599]],
httpMethodsToRetry: ["POST"],
};
const interceptorId = rax.attach(this.requestClient);
this.updateInterval = null;
this.eventInterval = null;
this.reLoginTimeout = null;
this.refreshTokenTimeout = null;
this.extractKeys = extractKeys;
this.idArray = [];
this.session = {};
this.rangeMapSupport = {};
this.subscribeStates("*");
await this.login();
if (this.session.access_token) {
await this.getDeviceIds();
await this.updateDevices(true);
await this.getEvents();
this.updateInterval = setInterval(async () => {
await this.updateDevices();
}, this.config.interval * 60 * 1000);
this.eventInterval = setInterval(async () => {
await this.getEvents();
}, this.config.eventInterval * 60 * 1000);
this.refreshTokenInterval = setInterval(() => {
this.refreshToken();
}, (this.session.expires_in - 100) * 1000);
}
}
async login() {
const [code_verifier, codeChallenge] = this.getCodeChallenge();
const headers = {
Accept: "*/*",
"User-Agent": this.userAgent,
};
let data = {
client_id: this.config.client_id,
response_type: "code",
scope: "IoT User offline_access",
code_challenge_method: "S256",
code_challenge: codeChallenge,
redirect_uri: "http://localhost:4200",
};
const htmlLoginForm = await this.requestClient({
method: "get",
url: "https://iam.viessmann.com/idp/v2/authorize",
headers: headers,
params: data,
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
return res.data;
})
.catch((error) => {
this.log.error(error);
if (error.response) {
this.log.error(JSON.stringify(error.response.data));
}
});
if (!htmlLoginForm) {
return;
}
let url = htmlLoginForm.split('action="')[1].split('" auto')[0];
url = url.replace(/&/g, "&");
data = {
isiwebuserid: this.config.username,
"hidden-password": "00",
isiwebpasswd: this.config.password,
stayloggedin: "Stay+logged+on",
submit: "LOGIN",
};
const code = await this.requestClient({
method: "post",
url: url,
headers: headers,
data: qs.stringify(data),
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
this.log.error("Please check username/password and deactivated Google Captcha in the Viessmann Settings");
return res.data;
})
.catch((error) => {
let code = "";
if (error.response && error.response.status === 400) {
this.log.error(JSON.stringify(error.response.data));
return;
}
if (error.response && error.response.status === 500) {
this.log.info("Please check username and password.");
}
if (error.request) {
this.log.debug(JSON.stringify(error.request._currentUrl));
code = qs.parse(error.request._currentUrl.split("?")[1]).code;
this.log.debug(code);
return code;
}
});
data = {
grant_type: "authorization_code",
code: code,
client_id: this.config.client_id,
code_verifier: code_verifier,
redirect_uri: "http://localhost:4200",
};
await this.requestClient({
method: "post",
url: "https://iam.viessmann.com/idp/v2/token",
headers: headers,
data: qs.stringify(data),
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
this.session = res.data;
this.setState("info.connection", true, true);
return res.data;
})
.catch((error) => {
this.setState("info.connection", false, true);
this.log.error(error);
if (error.response && error.response.status === 429) {
this.log.info("Rate limit reached. Will be reseted next day 02:00");
}
if (error.response) {
this.log.error(JSON.stringify(error.response.data));
}
});
}
async getDeviceIds() {
const headers = {
"Content-Type": "application/json",
Accept: "*/*",
"User-Agent": this.userAgent,
Authorization: "Bearer " + this.session.access_token,
};
await this.requestClient({
method: "get",
url: "https://api.viessmann.com/iot/v1/equipment/installations?includeGateways=true",
headers: headers,
})
.then(async (res) => {
this.log.debug(JSON.stringify(res.data));
if (res.data.data && res.data.data.length > 0) {
this.installationArray = res.data.data;
this.log.info(this.installationArray.length + " installations found.");
for (let installation of this.installationArray) {
const installationId = installation.id.toString();
await this.setObjectNotExistsAsync(installationId, {
type: "device",
common: {
name: installation.description,
},
native: {},
});
this.extractKeys(this, installationId, installation, null, true);
}
} else {
this.log.info("No installation found");
}
})
.catch((error) => {
this.log.error(error);
if (error.response && error.response.status === 429) {
this.log.info("Rate limit reached. Will be reseted next day 02:00");
}
error.response && this.log.error(JSON.stringify(error.response.data));
});
for (const installation of this.installationArray) {
const installationId = installation.id.toString();
for (const device of installation.gateways[0].devices) {
await this.setObjectNotExistsAsync(installationId + "." + device.id, {
type: "device",
common: {
name: device.modelId,
},
native: {},
});
await this.setObjectNotExistsAsync(installationId + "." + device.id + ".general", {
type: "channel",
common: {
name: "General Device Information",
},
native: {},
});
this.extractKeys(this, installationId + "." + device.id + ".general", device);
}
}
}
async updateDevices(ignoreFilter) {
const statusArray = [
{
path: "features",
url: "https://api.viessmann.com/iot/v1/equipment/installations/$installation/gateways/$gateway/devices/$id/features",
desc: "Features and States of the device",
},
];
const headers = {
"Content-Type": "application/x-www-form-urlencoded",
Accept: "application/json",
"User-Agent": this.userAgent,
Authorization: "Bearer " + this.session.access_token,
};
this.installationArray.forEach((installation) => {
if (!installation["gateways"][0]) {
return;
}
installation["gateways"][0]["devices"].forEach((device) => {
statusArray.forEach(async (element) => {
let url = element.url.replace("$id", device.id);
url = url.replace("$installation", installation.id);
url = url.replace("$gateway", device.gatewaySerial);
if (!ignoreFilter && (device.roles.includes("type:gateway") || device.roles.includes("type:virtual"))) {
this.log.debug("ignore " + device.type);
return;
}
await this.requestClient({
method: "get",
url: url,
headers: headers,
})
.then((res) => {
this.log.debug(url + " " + device.id + " " + JSON.stringify(res.data));
if (!res.data) {
return;
}
let data = res.data;
const keys = Object.keys(res.data);
if (keys.length === 1) {
data = res.data[keys[0]];
}
if (data.length === 1) {
data = data[0];
}
const extractPath = installation.id + "." + device.id + "." + element.path;
const forceIndex = null;
this.extractKeys(this, extractPath, data, "feature", forceIndex, false, element.desc);
})
.catch((error) => {
if (error.response && error.response.status === 401) {
error.response && this.log.debug(JSON.stringify(error.response.data));
this.log.info(element.path + " receive 401 error. Refresh Token in 30 seconds");
clearTimeout(this.refreshTokenTimeout);
this.refreshTokenTimeout = setTimeout(() => {
this.refreshToken();
}, 1000 * 30);
return;
}
if (error.response && error.response.status === 429) {
this.log.info("Rate limit reached. Will be reseted next day 02:00");
}
if (error.response && error.response.status === 502) {
this.log.info(JSON.stringify(error.response.data));
this.log.info("Please check the connection of your gateway");
}
if (error.response && error.response.status === 504) {
this.log.info("Viessmann API is not available please try again later");
}
this.log.error(element.url);
this.log.error(error);
error.response && this.log.debug(JSON.stringify(error.response.data));
});
});
});
});
}
async getEvents() {
const headers = {
"Content-Type": "application/x-www-form-urlencoded",
Accept: "application/json",
"User-Agent": this.userAgent,
Authorization: "Bearer " + this.session.access_token,
};
for (const installation of this.installationArray) {
const installationId = installation.id.toString();
if (!installation["gateways"][0]) {
return;
}
const gatewaySerial = installation["gateways"][0].serial.toString();
await this.requestClient({
method: "get",
url: "https://api.viessmann.com/iot/v1/events-history/events?gatewaySerial=" + gatewaySerial + "&installationId=" + installationId,
headers: headers,
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
if (!res.data) {
return;
}
let data = res.data;
const keys = Object.keys(res.data);
if (keys.length === 1) {
data = res.data[keys[0]];
}
if (data.length === 1) {
data = data[0];
}
this.extractKeys(this, installationId + ".events", data, null, true);
})
.catch((error) => {
if (error.response && error.response.status === 401) {
error.response && this.log.debug(JSON.stringify(error.response.data));
this.log.info("Get Events receive 401 error. Refresh Token in 30 seconds");
clearTimeout(this.refreshTokenTimeout);
this.refreshTokenTimeout = setTimeout(() => {
this.refreshToken();
}, 1000 * 30);
return;
}
if (error.response && error.response.status === 429) {
this.log.info("Rate limit reached. Will be reseted next day 02:00");
}
if (error.response && error.response.status === 502) {
this.log.info(JSON.stringify(error.response.data));
this.log.info("Please check the connection of your gateway");
}
if (error.response && error.response.status === 504) {
this.log.info("Viessmann API is not available please try again later");
}
this.log.error("Receiving Events");
this.log.error(error);
error.response && this.log.debug(JSON.stringify(error.response.data));
});
}
}
async refreshToken() {
await this.requestClient({
method: "post",
url: "https://iam.viessmann.com/idp/v2/token",
headers: {
"User-Agent": this.userAgent,
"Content-Type": "application/x-www-form-urlencoded",
},
data: "grant_type=refresh_token&client_id=" + this.config.client_id + "&refresh_token=" + this.session.refresh_token,
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
this.session = res.data;
this.setState("info.connection", true, true);
return res.data;
})
.catch((error) => {
this.setState("info.connection", false, true);
this.log.error("refresh token failed");
this.log.error(error);
error.response && this.log.error(JSON.stringify(error.response.data));
this.log.error("Start relogin in 1min");
this.reLoginTimeout = setTimeout(() => {
this.login();
}, 1000 * 60 * 1);
});
}
getCodeChallenge() {
let hash = "";
let result = "";
const chars = "0123456789abcdef";
result = "";
for (let i = 64; i > 0; --i) result += chars[Math.floor(Math.random() * chars.length)];
hash = crypto.createHash("sha256").update(result).digest("base64");
hash = hash.replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "");
return [result, hash];
}
/**
* Is called when adapter shuts down - callback has to be called under any circumstances!
* @param {() => void} callback
*/
onUnload(callback) {
try {
this.setState("info.connection", false, true);
clearTimeout(this.refreshTimeout);
clearTimeout(this.reLoginTimeout);
clearTimeout(this.refreshTokenTimeout);
clearInterval(this.updateInterval);
clearInterval(this.eventInterval);
clearInterval(this.refreshTokenInterval);
callback();
} catch (e) {
callback();
}
}
/**
* Is called if a subscribed state changes
* @param {string} id
* @param {ioBroker.State | null | undefined} state
*/
async onStateChange(id, state) {
if (state) {
if (!state.ack) {
const deviceId = id.split(".")[2];
const parentPath = id.split(".").slice(1, -1).slice(1).join(".");
const uriState = await this.getStateAsync(parentPath + ".uri");
const idState = await this.getObjectAsync(parentPath + ".setValue");
const param = idState.common.param;
if (!uriState || !uriState.val) {
this.log.info("No URI found");
return;
}
const data = {};
if (param) {
data[param] = state.val;
if (!isNaN(state.val)) {
data[param] = Number(state.val);
}
}
const headers = {
"Content-Type": "application/json",
Accept: "*/*",
"User-Agent": this.userAgent,
Authorization: "Bearer " + this.session.access_token,
};
await this.requestClient({
method: "post",
url: uriState.val,
headers: headers,
data: data,
raxConfig: {
retry: 5,
noResponseRetries: 2,
retryDelay: 5000,
backoffType: "static",
statusCodesToRetry: [[500, 599]],
onRetryAttempt: (err) => {
const cfg = rax.getConfig(err);
if (err.response) {
this.log.error(JSON.stringify(err.response.data));
}
this.log.info(`Retry attempt #${cfg.currentRetryAttempt}`);
},
},
})
.then((res) => {
this.log.debug(JSON.stringify(res.data));
return res.data;
})
.catch((error) => {
this.log.error(error);
if (error.response) {
this.log.error(JSON.stringify(error.response.data));
}
this.log.error("URL: " + uriState.val);
this.log.error("Data: " + JSON.stringify(data));
});
this.refreshTimeout = setTimeout(async () => {
await this.updateDevices();
}, 10 * 1000);
}
}
}
}
if (require.main !== module) {
// Export the constructor in compact mode
/**
* @param {Partial<utils.AdapterOptions>} [options={}]
*/
module.exports = (options) => new Viessmannapi(options);
} else {
// otherwise start the instance directly
new Viessmannapi();
}