py-push-server/webpush.py

# Test subscription message
#
# Setup with `pip install -r requirements.txt` and then `source venv/bin/activate`
#
# Usage: python webpush.py "ENDPOINT|P256DH|AUTH" PRIVATE_KEY
# ... where, yes, that second arg includes the "|" character, matching sqlite output.

from pywebpush import webpush, WebPushException

import base64
import datetime
import json
import sys




# Subscription Info

# these below will only work for the browser that acquired the subscription info.  You will need to extract those from our console OR the db.

# https://fcm.googleapis.com/fcm/send/eqNQV7MVPic:APA91bGrIMxqz3sQ4wboUkmZithJHMAdrNgjm6BYcIGmgJozgEGeg23JsXLlNpnKwzBCmUXh1ciHmE_3wZakHX-Rho5f9Xovc28nun4nH7w4BMoYzX27pOw_pC4FtfAkBQaQ-8jm36jf
# BDo2fIIN7qoA5bOVXdrHATZUSPHY7030V8PKW1mIHAZHDAxS-p6RggVeI7IZoi3bGxpR713RYY8H8vu-lX5LY1w
# sVR_s8J4JHv3h4ZmvemL5w

subscription_info = {
    "endpoint": "https://fcm.googleapis.com/fcm/send/eqNQV7MVPic:APA91bGrIMxqz3sQ4wboUkmZithJHMAdrNgjm6BYcIGmgJozgEGeg23JsXLlNpnKwzBCmUXh1ciHmE_3wZakHX-Rho5f9Xovc28nun4nH7w4BMoYzX27pOw_pC4FtfAkBQaQ-8jm36jf",
    "keys": {
        "p256dh": "BDo2fIIN7qoA5bOVXdrHATZUSPHY7030V8PKW1mIHAZHDAxS-p6RggVeI7IZoi3bGxpR713RYY8H8vu-lX5LY1w",
        "auth": "sVR_s8J4JHv3h4ZmvemL5w"
    }
}

# set subscription_info from arg 1 (sqlite results)
if len(sys.argv) > 1:
    argument = sys.argv[1]
    parts = argument.split('|')
    if len(parts) > 0:
        subscription_info['endpoint'] = parts[0]
        if len(parts) > 1:
            subscription_info['keys']['p256dh'] = parts[1]
            if len(parts) > 2:
                subscription_info['keys']['auth'] = parts[2]

now = datetime.datetime.now().isoformat()
data = json.dumps({"title": "test", "message": f"Message at {now}"})




# Private parts

# if you've got hex
#private_key_hex = "308187020100301306072a8648ce3d020106082a8648ce3d030107046d306b0201010420ac868a9588a69ec9626db857caae42b0d654288abf73b0d8f1a6b43fff093508a1440342000466da453c1e793d7e21ab63b334e80f96715aa97e578639b5fe8092f8752fa6e1f9182324846c70bf1a3480411ba787e652be8049a36a14294681f745c4c4c4f7"
#private_key_der = bytes.fromhex(private_key_hex)
#private_key_base64 = base64.b64encode(private_key_der).decode()

# if you've got base64
private_key_base64 = "MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgtMWLjpglbBDApUkuWjhJhdik3zzpPFjwC5IO9J8v25uhRANCAARWOqEBw7A01F44GqE9SEX1FX7qcHCv9eBsbgGwcF/XQK48o+WGv38Q4g9o+W2WvakiNjFCDa6cePY1+ZyEnbca"

# set private_key_base64 if supplied from arg 2
if len(sys.argv) > 2:
    private_key_base64 = sys.argv[2]




try:
    #print(str(subscription_info))
    #sys.exit(0)
    result = webpush(subscription_info,
            data,
            vapid_private_key=private_key_base64,
            vapid_claims={"sub": "mailto:matthew.raymer@gmail.com"})
    print(f"Result from remote service: {result}")
    # log the .reason from Apple
    # https://developer.apple.com/documentation/usernotifications/sending_web_push_notifications_in_web_apps_and_browsers#3994594
except WebPushException as ex:
    print(f"An error occurred: {ex}")
    # Check if there is a response from the remote service.
    if ex.response:
        response_data = ex.response.json()
        print(f"Error response from remote service: {response_data}")