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@PierrickVoulet PierrickVoulet self-assigned this Dec 9, 2025
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Summary of Changes

Hello @PierrickVoulet, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new set of examples for interacting with Google Chat using incoming webhooks. It provides Python scripts that illustrate how to send basic messages and manage message threading within Chat spaces, accompanied by a clear guide and required dependencies.

Highlights

  • New Solution Directory: A new directory solutions/webhook-chat-app has been added, dedicated to Google Chat webhook integration examples.
  • Basic Webhook Example: A quickstart.py script is introduced, demonstrating how to send a simple text message to a Google Chat space using an incoming webhook.
  • Threaded Message Example: A thread-reply.py script is included, showcasing how to send messages that either start a new thread or reply to an existing one in Google Chat via a webhook.
  • Documentation and Dependencies: A README.md provides guidance on using Google Chat webhooks, and a requirements.txt specifies the necessary Python dependency (httplib2).
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@PierrickVoulet PierrickVoulet merged commit 6e73143 into googleworkspace:main Dec 9, 2025
7 of 8 checks passed
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Code Review

This pull request introduces a new solution for sending messages to Google Chat via webhooks. It includes two Python example scripts, one for sending a simple message and another for replying within a thread. While the examples are helpful, they both contain a critical security vulnerability by hardcoding webhook URLs. My review provides suggestions to load these URLs from environment variables instead, which is a crucial security best practice to prevent exposing sensitive credentials.


def main():
"""Google Chat incoming webhook quickstart."""
url = "https://chat.googleapis.com/v1/spaces/SPACE_ID/messages?key=KEY&token=TOKEN"

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security-critical critical

Hardcoding secrets, such as webhook URLs, is a critical security risk. It can lead to accidental exposure of credentials if the code is committed to version control. It is strongly recommended to load sensitive information from environment variables. You will need to add import os at the top of your file for this suggestion to work.

    url = os.environ.get("GOOGLE_CHAT_WEBHOOK_URL")
    if not url:
        raise SystemExit("GOOGLE_CHAT_WEBHOOK_URL environment variable must be set.")


def main():
"""Google Chat incoming webhook that starts or replies to a message thread."""
url = "https://chat.googleapis.com/v1/spaces/SPACE_ID/messages?key=KEY&token=TOKEN&messageReplyOption=REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD"

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security-critical critical

Hardcoding secrets, such as webhook URLs, is a critical security risk. It can lead to accidental exposure of credentials if the code is committed to version control. It is strongly recommended to load sensitive information from environment variables. You will need to add import os at the top of your file for this suggestion to work. The environment variable should contain the full webhook URL, including the messageReplyOption parameter.

    url = os.environ.get("GOOGLE_CHAT_WEBHOOK_URL")
    if not url:
        raise SystemExit("GOOGLE_CHAT_WEBHOOK_URL environment variable must be set.")

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