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Add command-line arguments and environment variable support #8

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48 changes: 34 additions & 14 deletions README.md
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Expand Up @@ -38,23 +38,43 @@ You also need to have a valid Amazon account and access to the account you want
6. Let the page load completely.
7. Delete a device using the Alexa app.
8. Stop the capture in the HTTP Sniffer.
9. Search for the `GET /api/behaviors/entities` request in the HTTP Sniffer.
10. Copy the value of the `Cookie` header and paste it into the `COOKIE` variable in the script (Most likely, you will find the cookie value to be very long).
11. Copy the value of the `x-amzn-alexa-app` header and paste it into the `X_AMZN_ALEXA_APP` variable in the script.
12. Copy the CSRF value found at the end of the cookie and paste it into the `CSRF` variable
13. Look for a `DELETE` request containing `/api/phoenix/appliance/`
14. Copy the part after `api/phoenix/appliance/` but before `%3D%3D_` and set `DELETE_SKILL` variable to that
- e.g. SKILL_abc123abc (much longer)
16. Update the `HOST` to match the host your Alexa App is making requests to
- e.g. `eu-api-alexa.amazon.co.uk`
18. You can now try and run the script. If it works, you should see a list of all devices connected to the account you are logged in with. If you get an error, see the [Troubleshooting](#troubleshooting) section for more information.
9. Extract the following values from your HTTP Sniffer:
- **HOST**: The host from the `GET /api/behaviors/entities` request (e.g., `na-api-alexa.amazon.com` or `eu-api-alexa.amazon.co.uk`)
- **COOKIE**: The full `Cookie` header value from the `GET /api/behaviors/entities` request (will be very long)
- **X_AMZN_ALEXA_APP**: The `x-amzn-alexa-app` header value from the `GET /api/behaviors/entities` request
- **DELETE_SKILL**: From the `DELETE` request containing `/api/phoenix/appliance/`, copy the part after `api/phoenix/appliance/` but before `%3D%3D_` (e.g., `SKILL_abc123abc...`)

10. Run the script. You can provide values in three ways:

**Interactive mode** (prompts for all values):
```bash
python main.py
```
The script will prompt you for each value. CSRF is automatically extracted from the cookie.

**Command-line arguments** (skip prompts):
```bash
python main.py --host na-api-alexa.amazon.com --cookie "..." --alexa-app "..." --delete-skill "..."
```

**Environment variables** (skip prompts):
```bash
export ALEXA_HOST="na-api-alexa.amazon.com"
export ALEXA_COOKIE="..."
export ALEXA_APP="..."
export ALEXA_DELETE_SKILL="..."
python main.py
```

You can mix and match - provide some values via arguments/env vars and the script will only prompt for the missing ones.

If it works, you should see a list of all devices connected to the account you are logged in with. If you get an error, see the [Troubleshooting](#troubleshooting) section for more information.

## Troubleshooting

1. Try and change the `HOST` address in the script to your local Amazon address. You can find it in the HTTP Sniffer in both the requests you copied the headers from.
2. Try and change the `USER_AGENT` variable in the script to the one you find in the HTTP Sniffer in both the requests you copied the headers from.
3. If you used step 11.1, try and change the `CSRF` variable in the script to the one you find in the HTTP Sniffer in the `DELETE` request.
4. If you used the script some time ago, try and update the `COOKIE` variable in the script to the one you find in the HTTP Sniffer in the `GET` and/or `DELETE` request.
1. Try changing the `HOST` address to your local Amazon address. You can find it in the HTTP Sniffer in both the requests you copied the headers from. Provide it via `--host` argument or `ALEXA_HOST` environment variable.
2. If you used the script some time ago, try updating the `COOKIE` value - cookies expire. Provide it via `--cookie` argument or `ALEXA_COOKIE` environment variable.
3. Make sure you copied the complete cookie string - it should be very long. The CSRF token is automatically extracted from the cookie, so you don't need to provide it separately.

## Inspiration

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