Post File to Folder

Google Drive File Downloader Web App

This Google Apps Script processes POST requests containing file URLs and saves the files to Google Drive.

Original Blog Post: https://blog.greenflux.us/save-files-to-google-drive-by-post-ing-the-url-to-a-web-app

Description

This script is designed to be deployed as a web app and handle POST requests containing file URLs. It downloads the file from the provided URL and saves it to a specified folder in Google Drive.

Deployment Steps

1. Copy Script: Copy this script into the script editor and save it.
2. Trigger Permission Dialog: Run the doPost function once to trigger the permission dialog, and then click allow.
3. Publish as Web App:
   • Go to "Publish" > "Deploy as web app" in the script editor.
   • Choose a version name and click "Deploy."
   • Set access permissions to "Anyone, even anonymous" or "Anyone within organization."
   • Click "Deploy" and authorize the script when prompted.
4. Note Web App URL: Note the web app URL generated after deployment, which will be used to send POST requests.

Post Body Format

The script expects POST requests with a JSON body containing the following fields:

• key: A custom string to authenticate the request. Change the value of key to match the one used in the request.
• fileUrl: The URL of the file to be downloaded and saved to Google Drive.
• folderId (optional): The ID of the folder in Google Drive where the file should be saved. If not provided, the file will be saved to the default folder specified in the script.

Function Signature

/**
 * @param {Object} e The event object representing the HTTP POST request.
 * @return {TextOutput} Text output containing the URL of the new file Drive.
 */
function doPost(e) {
  // Function logic
}