スマートホーム アクションを拡張してセキュリティを強化する

npm install -g firebase-tools

firebase --version

firebase login

git clone https://github.com/google-home/smarthome-traits.git

cd washer-start
firebase use <project-id>

firebase init

? Which Firebase CLI features do you want to set up for this directory? Press Space to select features, then
 Enter to confirm your choices.
❯◉ Realtime Database: Configure a security rules file for Realtime Database and (optionally) provision default instance
 ◯ Firestore: Configure security rules and indexes files for Firestore
 ◉ Functions: Configure a Cloud Functions directory and its files
 ◉ Hosting: Configure files for Firebase Hosting and (optionally) set up GitHub Action deploys
 ◯ Hosting: Set up GitHub Action deploys
 ◯ Storage: Configure a security rules file for Cloud Storage
 ◯ Emulators: Set up local emulators for Firebase products
 ◯ Remote Config: Configure a template file for Remote Config
 ◯ Extensions: Set up an empty Extensions manifest

? It seems like you haven't initialized Realtime Database in your project yet. Do you want to set it up?
Yes

? Please choose the location for your default Realtime Database instance:
us-central1

? File database.rules.json already exists. Do you want to overwrite it with the Realtime Database Security Rules for <project-ID>-default-rtdb from the Firebase Console?
No

? Would you like to initialize a new codebase, or overwrite an existing one?
Overwrite

? What language would you like to use to write Cloud Functions?
JavaScript

? Do you want to use ESLint to catch probable bugs and enforce style?
No

? File functions/package.json already exists. Overwrite?
No

? File functions/index.js already exists. Overwrite?
No

? File functions/.gitignore already exists. Overwrite?
No

? Do you want to install dependencies with npm now?
Yes

? What do you want to use as your public directory?
public

? Configure as a single-page app (rewrite all urls to /index.html)?
Yes

? Set up automatic builds and deploys with GitHub?
No

? File public/index.html already exists. Overwrite?
 No

firebase deploy

...

✔ Deploy complete!

Project Console: https://console.firebase.google.com/project/<project-id>/overview
Hosting URL: https://<project-id>.web.app

app.onSync(body => {
  return {
    requestId: 'ff36a3cc-ec34-11e6-b1a0-64510650abcf',
    payload: {
      agentUserId: USER_ID,
      devices: [{
        id: 'washer',
        type: 'action.devices.types.WASHER',
        traits: [
          'action.devices.traits.OnOff',
          'action.devices.traits.StartStop',
          'action.devices.traits.RunCycle',
          // Add Modes trait
          'action.devices.traits.Modes',
        ],
        name: { ... },
        deviceInfo: { ... },
        attributes: {
          pausable: true,
          //Add availableModes
          availableModes: [{
            name: 'load',
            name_values: [{
              name_synonym: ['load'],
              lang: 'en',
            }],
            settings: [{
              setting_name: 'small',
              setting_values: [{
                setting_synonym: ['small'],
                lang: 'en',
              }]
            }, {
              setting_name: 'medium',
              setting_values: [{
                setting_synonym: ['medium'],
                lang: 'en',
              }]
            }, {
              setting_name: 'large',
              setting_values: [{
                setting_synonym: ['large'],
                lang: 'en',
              }]
            }],
            ordered: true,
          }],
        },
      }],
    },
  };
});

const updateDevice = async (execution,deviceId) => {
  const {params,command} = execution;
  let state, ref;
  switch (command) {
    case 'action.devices.commands.OnOff':
      state = {on: params.on};
      ref = firebaseRef.child(deviceId).child('OnOff');
      break;
    case 'action.devices.commands.StartStop':
      state = {isRunning: params.start};
      ref = firebaseRef.child(deviceId).child('StartStop');
      break;
    case 'action.devices.commands.PauseUnpause':
      state = {isPaused: params.pause};
      ref = firebaseRef.child(deviceId).child('StartStop');
      Break;
    // Add SetModes command
    case 'action.devices.commands.SetModes':
      state = {load: params.updateModeSettings.load};
      ref = firebaseRef.child(deviceId).child('Modes');
      break;
}

const queryFirebase = async (deviceId) => {
  const snapshot = await firebaseRef.child(deviceId).once('value');
  const snapshotVal = snapshot.val();
  return {
    on: snapshotVal.OnOff.on,
    isPaused: snapshotVal.StartStop.isPaused,
    isRunning: snapshotVal.StartStop.isRunning,
    // Add Modes snapshot
    load: snapshotVal.Modes.load,
  };
}

const queryDevice = async (deviceId) => {
  const data = await queryFirebase(deviceId);
  return {
    on: data.on,
    isPaused: data.isPaused,
    isRunning: data.isRunning,
    currentRunCycle: [{ ... }],
    currentTotalRemainingTime: 1212,
    currentCycleRemainingTime: 301,
    // Add currentModeSettings
    currentModeSettings: {
      load: data.load,
    },
  };
};

const requestBody = {
  requestId: 'ff36a3cc', /* Any unique ID */
  agentUserId: USER_ID,
  payload: {
    devices: {
      states: {
        /* Report the current state of your washer */
        [context.params.deviceId]: {
          on: snapshot.OnOff.on,
          isPaused: snapshot.StartStop.isPaused,
          isRunning: snapshot.StartStop.isRunning,
          // Add currentModeSettings
          currentModeSettings: {
            load: snapshot.Modes.load,
          },
        },
      },
    },
  },
};

firebase deploy --only functions

app.onSync(body => {
  return {
    requestId: 'ff36a3cc-ec34-11e6-b1a0-64510650abcf',
    payload: {
      agentUserId: USER_ID,
      devices: [{
        id: 'washer',
        type: 'action.devices.types.WASHER',
        traits: [
          'action.devices.traits.OnOff',
          'action.devices.traits.StartStop',
          'action.devices.traits.RunCycle',
          'action.devices.traits.Modes',
          // Add Toggles trait
          'action.devices.traits.Toggles',
        ],
        name: { ... },
        deviceInfo: { ... },
        attributes: {
          pausable: true,
          availableModes: [{
            name: 'load',
            name_values: [{
              name_synonym: ['load'],
              lang: 'en'
            }],
            settings: [{ ... }],
            ordered: true,
          }],
          //Add availableToggles
          availableToggles: [{
            name: 'Turbo',
            name_values: [{
              name_synonym: ['turbo'],
              lang: 'en',
            }],
          }],
        },
      }],
    },
  };
});

const updateDevice = async (execution,deviceId) => {
  const {params,command} = execution;
  let state, ref;
  switch (command) {
    case 'action.devices.commands.OnOff':
      state = {on: params.on};
      ref = firebaseRef.child(deviceId).child('OnOff');
      break;
    case 'action.devices.commands.StartStop':
      state = {isRunning: params.start};
      ref = firebaseRef.child(deviceId).child('StartStop');
      break;
    case 'action.devices.commands.PauseUnpause':
      state = {isPaused: params.pause};
      ref = firebaseRef.child(deviceId).child('StartStop');
      break;
    case 'action.devices.commands.SetModes':
      state = {load: params.updateModeSettings.load};
      ref = firebaseRef.child(deviceId).child('Modes');
      break;
    // Add SetToggles command
    case 'action.devices.commands.SetToggles':
      state = {Turbo: params.updateToggleSettings.Turbo};
      ref = firebaseRef.child(deviceId).child('Toggles');
      break;
  }

const queryFirebase = async (deviceId) => {
  const snapshot = await firebaseRef.child(deviceId).once('value');
  const snapshotVal = snapshot.val();
  return {
    on: snapshotVal.OnOff.on,
    isPaused: snapshotVal.StartStop.isPaused,
    isRunning: snapshotVal.StartStop.isRunning,
    load: snapshotVal.Modes.load,
    // Add Toggles snapshot
    Turbo: snapshotVal.Toggles.Turbo,
  };
}

const queryDevice = async (deviceId) => {
  const data = queryFirebase(deviceId);
  return {
    on: data.on,
    isPaused: data.isPaused,
    isRunning: data.isRunning,
    currentRunCycle: [{ ... }],
    currentTotalRemainingTime: 1212,
    currentCycleRemainingTime: 301,
    currentModeSettings: {
      load: data.load,
    },
    // Add currentToggleSettings
    currentToggleSettings: {
      Turbo: data.Turbo,
    },
  };
};

const requestBody = {
  requestId: 'ff36a3cc', /* Any unique ID */
  agentUserId: USER_ID,
  payload: {
    devices: {
      states: {
        /* Report the current state of your washer */
        [context.params.deviceId]: {
          on: snapshot.OnOff.on,
          isPaused: snapshot.StartStop.isPaused,
          isRunning: snapshot.StartStop.isRunning,
          currentModeSettings: {
            load: snapshot.Modes.load,
          },
          // Add currentToggleSettings
          currentToggleSettings: {
            Turbo: snapshot.Toggles.Turbo,
          },
        },
      },
    },
  },
};

firebase deploy --only functions

{
  "requestId": "ff36a3cc-ec34-11e6-b1a0-64510650abcf",
  "payload": {
    "commands": [
      {
        "ids": [
          "456"
        ],
        "status": "ERROR",
        "errorCode": "deviceLidOpen"
      }
    ]
  }
}

{
  "requestId": "ff36a3cc-ec34-11e6-b1a0-64510650abcf",
  "payload": {
    "commands": [{
      "ids": ["123"],
      "status": "SUCCESS",
      "states": {
        "online": true,
        "isPaused": false,
        "isRunning": false,
        "exceptionCode": "runCycleFinished"
      }
    }]
  }
}

app.onQuery(async (body) => {...});

// Add SmartHome error handling
class SmartHomeError extends Error {
  constructor(errorCode, message) {
    super(message);
    this.name = this.constructor.name;
    this.errorCode = errorCode;
  }
}

const executePromises = [];
const intent = body.inputs[0];
for (const command of intent.payload.commands) {
  for (const device of command.devices) {
    for (const execution of command.execution) {
      executePromises.push( ... )
          //Add error response handling
          .catch((error) => {
            functions.logger.error('EXECUTE', device.id, error);
            result.ids.push(device.id);
            if(error instanceof SmartHomeError) {
              result.status = 'ERROR';
              result.errorCode = error.errorCode;
            }
          })
      );
    }
  }
}

class SmartHomeError extends Error { ... }

// Add secondary user verification error handling
class ChallengeNeededError extends SmartHomeError {
  /**
   * Create a new ChallengeNeededError
   * @param {string} suvType secondary user verification challenge type
   */
  constructor(suvType) {
    super('challengeNeeded', suvType);
    this.suvType = suvType;
  }
}

const executePromises = [];
const intent = body.inputs[0];
for (const command of intent.payload.commands) {
  for (const device of command.devices) {
    for (const execution of command.execution) {
      executePromises.push( ... )
          .catch((error) => {
            functions.logger.error('EXECUTE', device.id, error);
            result.ids.push(device.id);
            if(error instanceof SmartHomeError) {
              result.status = 'ERROR';
              result.errorCode = error.errorCode;
              //Add error response handling
              if(error instanceof ChallengeNeededError) {
                result.challengeNeeded = {
                  type: error.suvType
                };
              }
            }
          })
      );
    }
  }
}

const updateDevice = async (execution,deviceId) => {
  const {challenge,params,command} = execution; //Add secondary user challenge
  let state, ref;
  switch (command) {
    case 'action.devices.commands.OnOff':
      //Add secondary user verification challenge
      if (!challenge || !challenge.ack) {
        throw new ChallengeNeededError('ackNeeded');
      }
      state = {on: params.on};
      ref = firebaseRef.child(deviceId).child('OnOff');
      break;
    ...
  }

  return ref.update(state)
      .then(() => state);
};

firebase deploy --only functions