homebridge-vicare/dist/RequestService.js

Homebridge plugin for Viessmann ViCare

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
export class RequestService {
    constructor(log, clientId) {
        this.log = log;
        this.clientId = clientId;
    }
    authorizedRequest(url_1) {
        return __awaiter(this, arguments, void 0, function* (url, method = 'get', config, retries = 0) {
            if (retries >= 3) {
                throw new Error('Could not refresh authentication token.');
            }
            try {
                return yield this.request(url, method, Object.assign({ headers: Object.assign({ Authorization: `Bearer ${this.accessToken}` }, config === null || config === void 0 ? void 0 : config.headers) }, config));
            }
            catch (error) {
                return yield this.checkForTokenExpiration(error, url, method, config, retries);
            }
        });
    }
    checkForTokenExpiration(body_1, url_1) {
        return __awaiter(this, arguments, void 0, function* (body, url, method = 'get', config, retries = 1) {
            if (body.error === 'EXPIRED TOKEN') {
                const { access_token } = yield this.refreshAuth();
                this.accessToken = access_token;
                return yield this.authorizedRequest(url, method, config, ++retries);
            }
            else {
                throw body;
            }
        });
    }
    request(url, method, config) {
        return __awaiter(this, void 0, void 0, function* () {
            return yield fetch(url, Object.assign({ headers: Object.assign({ Accept: 'application/json' }, config === null || config === void 0 ? void 0 : config.headers), method }, config));
        });
    }
    refreshAuth() {
        return __awaiter(this, void 0, void 0, function* () {
            if (!this.refreshToken) {
                throw new Error('Refresh token is not set. Please authenticate first.');
            }
            const tokenUrl = 'https://iam.viessmann-climatesolutions.com/idp/v3/token';
            const params = new URLSearchParams();
            params.set('client_id', this.clientId);
            params.set('grant_type', 'refresh_token');
            params.set('refresh_token', this.refreshToken);
            this.log.debug('Refreshing authorization ...');
            try {
                const response = yield this.authorizedRequest(tokenUrl, 'post', {
                    body: params,
                    headers: {
                        'Content-Type': 'application/x-www-form-urlencoded',
                    },
                });
                let tokenResponse = (yield response.json());
                if (!response.ok) {
                    throw new Error(JSON.stringify(tokenResponse, null, 2));
                }
                this.log('Successfully refreshed authorization.');
                this.accessToken = tokenResponse.access_token;
                return tokenResponse;
            }
            catch (error) {
                this.log.error('Error refreshing authorization:', error);
                throw error;
            }
        });
    }
}
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