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SFTP Sync for Google Sheets

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SFTP Sync for Google Sheets

by Olivier Bigras

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Description

SFTP Sync for Google Sheets allows you to automatically export Google Sheets and upload them to any SFTP server. Use cases include:

  • Daily inventory updates from Google Sheets
  • Automated data feeds for e-commerce
  • Syncing spreadsheet data to your server
  • Backing up Google Sheets to your own server

Features:

  • Easy Setup – Configure everything from the WordPress admin
  • Secure API – Auto-generated API keys protect your endpoint
  • REST API Endpoint – Receives files from Google Apps Script
  • SFTP Upload – Automatically uploads to your SFTP server
  • Activity Logs – Track all uploads and errors
  • Pre-built Script – Copy-paste Google Apps Script included
  • No paid services required – Uses Google Apps Script and your SFTP server

How It Works:

  1. Install and activate the plugin
  2. Configure your SFTP credentials in Settings
  3. Copy the provided Google Apps Script to your Sheet
  4. Set up a daily trigger in Google Apps Script
  5. Your sheet automatically syncs to your SFTP server
  1. Upload the sftp-sync-for-google-sheets folder to /wp-content/plugins/
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Go to Settings SFTP Sync
  4. Enter your SFTP server credentials
  5. Click “Test SFTP Connection” to verify
  6. Copy the Google Apps Script from the settings page
  7. Paste into your Google Sheet (Extensions Apps Script)
  8. Run setupTrigger() to enable daily exports
  1. Plugin settings page with API endpoint information and SFTP server configuration

    Plugin settings page with API endpoint information and SFTP server configuration

  2. Export settings with schedule, filename mode, and format options

    Export settings with schedule, filename mode, and format options

  3. Activity logs and Google Apps Script code generator

    Activity logs and Google Apps Script code generator

What SFTP libraries are supported?

The plugin supports both the PHP ssh2 extension and phpseclib. If neither is available, you can install phpseclib via Composer.

Are there any costs?

This solution uses Google Apps Script and your existing SFTP server. No third-party paid services are required.

Can I export as XLSX instead of CSV?

Yes! Change EXPORT_FORMAT: 'csv' to EXPORT_FORMAT: 'xlsx' in the Google Apps Script configuration.

How do I change the export schedule?

In the Google Apps Script, change SCHEDULE: 'daily' to SCHEDULE: 'hourly' for hourly exports, or modify DAILY_HOUR to change the time.

Is the API secure?

Yes. All requests require a valid API key. The key is auto-generated on activation and can be regenerated anytime.

Can I use this with multiple Google Sheets?

Yes! Each Google Sheet can have its own Apps Script. They can all point to the same WordPress endpoint.

1.5.0

  • WordPress.org initial release
  • Improved code quality based on plugin review feedback
  • Moved log storage to wp-content/uploads for better security
  • Updated WordPress compatibility to 6.9

1.4.0

  • Renamed plugin to “SFTP Sync for Google Sheets” for WordPress.org compliance
  • Fixed all escaping issues (using esc_html_e, esc_html__ throughout)
  • Fixed input sanitization for $_SERVER variables
  • Updated text domain to sftp-sync-for-google-sheets
  • Removed promotional language from descriptions

1.3.1

  • Removed hidden files (.htaccess) for WordPress.org plugin directory compliance
  • Logs directory now protected by index.php only (no .htaccess needed)

1.3.0

  • Fixed CSV export: Now uses Google’s native CSV export instead of manual CSV building
  • This fixes WP All Import not recognizing CSV headers
  • CSV output is now identical to Google Sheets “File > Download > CSV”
  • Updated generated Google Apps Script code
  • Updated WordPress compatibility to 6.9

1.2.0

  • Security: Improved password encryption using AES-256-CBC with WordPress salts
  • Security: Added rate limiting (60 requests/minute) to prevent API abuse
  • Added composer.json for easier phpseclib dependency management
  • Added index.php security files to prevent directory listing
  • Updated WordPress compatibility to 6.7

1.1.0

  • Added Export Settings section in admin
  • New schedule options: Daily or Hourly
  • New filename mode: Dated (unique files) or Overwrite (same file each time)
  • Configurable base filename and export format (CSV/XLSX)
  • Apps Script now auto-configured with plugin settings
  • Improved SFTP error messages for debugging

1.0.0

  • Initial release
  • SFTP upload via ssh2 or phpseclib
  • REST API endpoint for receiving files
  • Admin settings page
  • Activity logging
  • Google Apps Script generator
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