Trigger Event with JSON with IFTTT API on Changes to Specific Files from Google Drive API

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Changes to Specific Files from the Google Drive API

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Trigger Event with JSON with the IFTTT API

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Getting Started#

This integration creates a workflow with a Google Drive trigger and IFTTT action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Select this integration
Configure the Changes to Specific Files trigger
1. Connect your Google Drive account
2. Optional- Configure Drive
3. Optional- Configure Watch for changes to file properties
4. Configure Push notification renewal schedule
5. Optional- Select one or more Files
6. Select one or more Types of updates
Configure the Trigger Event with JSON action
1. Connect your IFTTT account
2. Configure Webhook Key
3. Configure Event Name
4. Configure JSON Payload
Deploy the workflow
Send a test event to validate your setup
Turn on the trigger

Details#

This integration uses pre-built, source-available components from Pipedream's GitHub repo. These components are developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

Trigger#

Changes to Specific Files on Google Drive

Description:Watches for changes to specific files, emitting an event any time a change is made to one of those files. To watch for changes to [shared drive](https://support.google.com/a/users/answer/9310351) files, use the **Changes to Specific Files (Shared Drive)** source instead.

Version:0.1.0

Key:google_drive-changes-to-specific-files

View on GitHub

Google Drive Overview#

Using the Google Drive API, you can build applications that:

Create and manage files and folders
Download and upload files
Share and organize files
Search for files
Track changes to files
And much more!

Trigger Code#

import cronParser from "cron-parser";
import includes from "lodash/includes.js";
import { v4 as uuid } from "uuid";

import { MY_DRIVE_VALUE } from "../../constants.mjs";

import changesToSpecificFiles from "../changes-to-specific-files-shared-drive/changes-to-specific-files-shared-drive.mjs";

/**
 * This source uses the Google Drive API's
 * {@link https://developers.google.com/drive/api/v3/reference/files/watch files: watch}
 * endpoint to subscribe to changes to specific files in the user's drive.
 */
export default {
  ...changesToSpecificFiles,
  key: "google_drive-changes-to-specific-files",
  name: "Changes to Specific Files",
  description: "Watches for changes to specific files, emitting an event any time a change is made to one of those files. To watch for changes to [shared drive](https://support.google.com/a/users/answer/9310351) files, use the **Changes to Specific Files (Shared Drive)** source instead.",
  version: "0.1.0",
  type: "source",
  // Dedupe events based on the "x-goog-message-number" header for the target channel:
  // https://developers.google.com/drive/api/v3/push#making-watch-requests
  dedupe: "unique",
  props: {
    ...changesToSpecificFiles.props,
    drive: {
      type: "string",
      label: "Drive",
      description: "Defaults to `My Drive`. To use a [Shared Drive](https://support.google.com/a/users/answer/9310351), use the **Changes to Specific Files (Shared Drive)** source instead.",
      optional: true,
      default: MY_DRIVE_VALUE,
    },
    updateTypes: {
      propDefinition: [
        changesToSpecificFiles.props.googleDrive,
        "updateTypes",
      ],
    },
  },
  hooks: {
    ...changesToSpecificFiles.hooks,
    async activate() {
      // Called when a component is created or updated. Handles all the logic
      // for starting and stopping watch notifications tied to the desired
      // files.

      // You can pass the same channel ID in watch requests for multiple files, so
      // our channel ID is fixed for this component to simplify the state we have to
      // keep track of.
      const channelID = this._getChannelID() || uuid();

      // Subscriptions are keyed on Google's resourceID, "an opaque value that
      // identifies the watched resource". This value is included in request
      // headers, allowing us to look up the watched resource.
      let subscriptions = this._getSubscriptions() || {};

      const files = this.files;
      for (const fileID of files) {
        const {
          expiration,
          resourceId,
        } = await this.googleDrive.activateFileHook(
          channelID,
          this.http.endpoint,
          fileID,
        );
        // The fileID must be kept with the subscription metadata so we can
        // renew the watch request for this specific file when it expires.
        subscriptions[resourceId] = {
          expiration,
          fileID,
        };
      }

      // Save metadata on the subscription so we can stop / renew later
      this._setSubscriptions(subscriptions);
      this._setChannelID(channelID);
    },
    async deactivate() {
      const channelID = this._getChannelID();
      if (!channelID) {
        console.log(
          "Channel not found, cannot stop notifications for non-existent channel",
        );
        return;
      }

      const subscriptions = this._getSubscriptions() || {};
      for (const resourceId of Object.keys(subscriptions)) {
        await this.googleDrive.stopNotifications(channelID, resourceId);
      }

      // Reset DB state
      this._setSubscriptions({});
      this._setChannelID(null);
    },
  },
  methods: {
    ...changesToSpecificFiles.methods,
    _getSubscriptions() {
      return this.db.get("subscriptions") || {};
    },
    _setSubscriptions(subscriptions) {
      this.db.set("subscriptions", subscriptions);
    },
    _getNextTimerEventTimestamp(event) {
      if (event.cron) {
        return cronParser
          .parseExpression(event.cron)
          .next()
          .getTime();
      }
      if (event.interval_seconds) {
        return Date.now() + event.interval_seconds * 1000;
      }
    },
    async renewFileSubscriptions(event) {
      // Assume subscription & channelID may all be undefined at
      // this point Handle their absence appropriately.
      const subscriptions = this._getSubscriptions() || {};
      const channelID = this._getChannelID() || uuid();

      const nextRunTimestamp = this._getNextTimerEventTimestamp(event);

      for (const [
        currentResourceId,
        metadata,
      ] of Object.entries(subscriptions)) {
        const { fileID } = metadata;

        const subscription = {
          ...metadata,
          resourceId: currentResourceId,
        };
        const {
          expiration,
          resourceId,
        } = await this.googleDrive.renewFileSubscription(
          subscription,
          this.http.endpoint,
          channelID,
          fileID,
          nextRunTimestamp,
        );
        subscriptions[resourceId] = {
          expiration,
          fileID,
        };
      }
      this._setSubscriptions(subscriptions);
      this._setChannelID(channelID);
    },
  },
  async run(event) {
    // This function is polymorphic: it can be triggered as a cron job, to make sure we renew
    // watch requests for specific files, or via HTTP request (the change payloads from Google)

    // Component was invoked by timer
    if (event.timestamp) {
      return this.renewFileSubscriptions(event);
    }

    const channelID = this._getChannelID();
    let subscriptions = this._getSubscriptions() || {};

    const { headers } = event;

    if (
      !headers["x-goog-resource-state"] ||
      !headers["x-goog-resource-id"] ||
      !headers["x-goog-resource-uri"] ||
      !headers["x-goog-message-number"]
    ) {
      console.log("Request missing necessary headers: ", headers);
      return;
    }

    const incomingChannelID = headers["x-goog-channel-id"];
    if (incomingChannelID !== channelID) {
      console.log(
        `Channel ID of ${incomingChannelID} not equal to deployed component channel of ${channelID}`,
      );
      return;
    }

    if (subscriptions[headers["x-goog-resource-id"]] === undefined) {
      console.log(
        `Resource ID of ${headers["x-goog-resource-id"]} not currently being tracked. Exiting`,
      );
      return;
    }

    if (!includes(this.updateTypes, headers["x-goog-resource-state"])) {
      console.log(
        `Update type ${headers["x-goog-resource-state"]} not in list of updates to watch: `,
        this.updateTypes,
      );
      return;
    }

    // We observed false positives where a single change to a document would trigger two changes:
    // one to "properties" and another to "content,properties". But changes to properties
    // alone are legitimate, most users just won't want this source to emit in those cases.
    // If x-goog-changed is _only_ set to "properties", only move on if the user set the prop
    if (
      !this.watchForPropertiesChanges &&
      headers["x-goog-changed"] === "properties"
    ) {
      console.log(
        "Change to properties only, which this component is set to ignore. Exiting",
      );
      return;
    }

    const file = await this.googleDrive.getFileMetadata(
      headers["x-goog-resource-uri"],
    );

    if (!file || !Object.keys(file).length) {
      console.log("No file metadata returned, nothing to emit");
      return;
    }

    this.processChange(file, headers);
  },
};

Trigger Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.

Label	Prop	Type	Description
Google Drive	`googleDrive`	`app`	This component uses the Google Drive app.
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
N/A	`http`	`$.interface.http`	This component uses `$.interface.http` to generate a unique URL when the component is first instantiated. Each request to the URL will trigger the `run()` method of the component.
Drive	`drive`	`string`	Defaults to `My Drive`. To use a Shared Drive, use the Changes to Specific Files (Shared Drive) source instead.
Watch for changes to file properties	`watchForPropertiesChanges`	`boolean`	Watch for changes to file properties in addition to changes to content. Defaults to `false`, watching for only changes to content.
Push notification renewal schedule	`timer`	`$.interface.timer`	The Google Drive API requires occasional renewal of push notification subscriptions. This runs in the background, so you should not need to modify this schedule.
Files	`files`	`string[]`	Select a value from the drop down menu.
Types of updates	`updateTypes`	`string[]`	Select a value from the drop down menu:`syncaddremoveupdatetrashuntrashchange`

Trigger Authentication#

Google Drive uses OAuth authentication. When you connect your Google Drive account, Pipedream will open a popup window where you can sign into Google Drive and grant Pipedream permission to connect to your account. Pipedream securely stores and automatically refreshes the OAuth tokens so you can easily authenticate any Google Drive API.

Pipedream requests the following authorization scopes when you connect your account:

emailprofilehttps://www.googleapis.com/auth/drivehttps://www.googleapis.com/auth/drive.readonly

About Google Drive#

Internet-related services and products

Action#

Trigger Event with JSON on IFTTT

Description:Trigger Event with an arbitrary JSON payload. [See docs](https://help.ifttt.com/hc/en-us/articles/115010230347-Webhooks-service-FAQ)

Version:0.0.2

Key:ifttt-trigger-event-with-json

View on GitHub

IFTTT Overview#

With the IFTTT API, you can build a wide variety of applications and
integrations. Here are just a few examples:

A to-do list app that adds new items to a spreadsheet
A weather app that sends you a notification when it's going to rain
A social media app that posts updates to a blog
An e-commerce app that track your order status and sends you shipping updates
A fitness app that logs your workout data and shares your progress with
friends

Action Code#

import ifttt from "../../ifttt.app.mjs";

export default {
  name: "Trigger Event with JSON",
  description: "Trigger Event with an arbitrary JSON payload. [See docs](https://help.ifttt.com/hc/en-us/articles/115010230347-Webhooks-service-FAQ)",
  key: "ifttt-trigger-event-with-json",
  version: "0.0.2",
  type: "action",
  props: {
    ifttt,
    webhookKey: {
      propDefinition: [
        ifttt,
        "webhookKey",
      ],
    },
    eventName: {
      propDefinition: [
        ifttt,
        "eventName",
      ],
    },
    data: {
      propDefinition: [
        ifttt,
        "data",
      ],
    },
  },
  async run({ $ }) {
    const response = await this.ifttt.callWebhookWithJSON({
      $,
      webhookKey: this.webhookKey,
      eventName: this.eventName,
      data: this.data,
    });
    $.export("$summary", `Triggered webhook ${this.eventName}`);
    return response;
  },
};

Action Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI.

Label	Prop	Type	Description
IFTTT	`ifttt`	`app`	This component uses the IFTTT app.
Webhook Key	`webhookKey`	`string`	The webhook key obtained in Webhook Settings
Event Name	`eventName`	`string`	The event name associated with your applet
JSON Payload	`data`	`object`	A JSON payload to be sent

Action Authentication#

IFTTT uses API keys for authentication. When you connect your IFTTT account, Pipedream securely stores the keys so you can easily authenticate to IFTTT APIs in both code and no-code steps.

A request that includes an IFTTT-Service-Key header containing your service key, found in the API tab of the IFTTT Platform under the Service Key heading.

About IFTTT#

Every thing works better together

More Ways to Connect IFTTT + Google Drive#

Other Popular Integrations#

Trigger Event with JSON with IFTTT API on Changes to Specific Files (Shared Drive) from Google Drive API

Google Drive + IFTTT

Trigger Event with JSON with IFTTT API on Changes to Specific Files from Google Drive API

Pipedream makes it easy to connect APIs for IFTTT, Google Drive and 1000+ other apps remarkably fast.

Trusted by 500,000+ developers from startups to Fortune 500 companies

Developers ♥ Pipedream

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