actions-on-google
Version:
Actions on Google Client Library for Node.js
175 lines • 6.1 kB
JavaScript
;
/**
* Copyright 2018 Google Inc. All Rights Reserved.
*
* 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.smarthome = void 0;
const assistant_1 = require("../../assistant");
const common = require("../../common");
const googleapis_1 = require("googleapis");
const encoding = 'utf8';
const homegraphWrapperDeprecationNotice = method => `SmartHomeApp.${method} Home Graph wrapper method is deprecated. Use Google APIs Node.js Client for Home Graph: https://www.npmjs.com/package/@googleapis/homegraph`;
const makeApiCall = (url, data, jwt) => {
const options = {
hostname: 'homegraph.googleapis.com',
port: 443,
path: url,
method: 'POST',
headers: {},
};
const apiCall = (options) => {
if (jwt && !options.headers.Authorization) {
throw new Error('JWT is defined but Authorization header is not defined ' +
JSON.stringify(options));
}
return new Promise((resolve, reject) => {
const buffers = [];
const req = common.request(options, res => {
res.on('data', d => {
buffers.push(typeof d === 'string' ? Buffer.from(d, encoding) : d);
});
res.on('end', () => {
const apiResponse = Buffer.concat(buffers).toString(encoding);
const apiResponseJson = JSON.parse(apiResponse);
if (apiResponseJson.error && apiResponseJson.error.code >= 400) {
// While the response ended, it contains an error.
// In this case, this should reject the Promise.
reject(apiResponse);
return;
}
resolve(apiResponse);
});
});
req.on('error', e => {
reject(e);
});
// Write data to request body
req.write(JSON.stringify(data));
req.end();
});
};
if (jwt) {
return new Promise((resolve, reject) => {
// For testing, we do not need to actually authorize
if (jwt.client_id === 'sample-client-id') {
options.headers = {
Authorization: ' Bearer 1234',
};
resolve(options);
return;
}
// Generate JWT, then make the API call if provided
const jwtClient = new googleapis_1.google.auth.JWT(jwt.client_email, undefined, jwt.private_key, ['https://www.googleapis.com/auth/homegraph'], undefined);
jwtClient.authorize((err, tokens) => {
if (err) {
return reject(err);
}
options.headers = {
Authorization: ` Bearer ${tokens.access_token}`,
};
resolve(options);
});
}).then(options => {
return apiCall(options);
});
}
else {
return apiCall(options);
}
};
/**
*
* @example
* ```javascript
*
* const app = smarthome({
* debug: true,
* key: '<api-key>',
* jwt: require('./key.json')
* });
*
* app.onSync((body, headers) => {
* return { ... }
* });
*
* app.onQuery((body, headers) => {
* return { ... }
* });
*
* app.onExecute((body, headers) => {
* return { ... }
* });
*
* exports.smarthome = functions.https.onRequest(app);
*
* ```
*
* @public
*/
const smarthome = (options = {}) => assistant_1.attach({
_intents: {},
_intent(intent, handler) {
this._intents[intent] = handler;
return this;
},
onSync(handler) {
return this._intent('action.devices.SYNC', handler);
},
onQuery(handler) {
return this._intent('action.devices.QUERY', handler);
},
onExecute(handler) {
return this._intent('action.devices.EXECUTE', handler);
},
onDisconnect(handler) {
return this._intent('action.devices.DISCONNECT', handler);
},
async requestSync(agentUserId) {
common.warn.log(homegraphWrapperDeprecationNotice('requestSync'));
if (this.jwt) {
return await makeApiCall('/v1/devices:requestSync', {
agent_user_id: agentUserId,
}, this.jwt);
}
if (this.key) {
return await makeApiCall(`/v1/devices:requestSync?key=${encodeURIComponent(this.key)}`, {
agent_user_id: agentUserId,
});
}
throw new Error('An API key was not specified. ' +
'Please visit https://console.cloud.google.com/apis/api/homegraph.googleapis.com/overview');
},
async reportState(reportedState) {
common.warn.log(homegraphWrapperDeprecationNotice('reportState'));
if (!this.jwt) {
throw new Error('A JWT was not specified. ' +
'Please visit https://console.cloud.google.com/apis/credentials');
}
return await makeApiCall('/v1/devices:reportStateAndNotification', reportedState, this.jwt);
},
key: options.key,
jwt: options.jwt,
async handler(body, headers, metadata = {}) {
const { intent } = body.inputs[0];
const handler = this._intents[intent];
return {
status: 200,
headers: {},
body: await handler(body, headers, metadata),
};
},
}, options);
exports.smarthome = smarthome;
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