[jira] [Work started] (CAMEL-25564) camel-telegram - verify the Bot API secret token on webhook updates

["Andrea Cosentino (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-25564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on CAMEL-25564 started by Andrea Cosentino.
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> camel-telegram - verify the Bot API secret token on webhook updates
> -------------------------------------------------------------------
>
>                 Key: CAMEL-25564
>                 URL: https://issues.apache.org/jira/browse/CAMEL-25564
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-telegram
>            Reporter: Andrea Cosentino
>            Assignee: Andrea Cosentino
>            Priority: Major
>             Fix For: 4.18.6, 4.22.2, 4.24.0
>
>
> In webhook mode, camel-telegram registers the webhook by calling {{setWebhook}} with the {{url}} parameter only. The Bot API's {{setWebhook}} also accepts a {{secret_token}} parameter, which Telegram sends back in the {{X-Telegram-Bot-Api-Secret-Token}} header of every webhook request.
> Add support for it:
> * add an endpoint option for the secret token, with a default derived from the bot token, so the value stays the same across restarts and replicas;
> * pass the token to {{setWebhook}} when the webhook is registered;
> * in {{TelegramWebhookProcessor}}, answer a request whose header does not match with HTTP 403, without passing it to the route;
> * document the option in the webhook mode section, and add an upgrade-guide note for deployments that register the webhook themselves ({{webhookAutoRegister=false}}).
> This mirrors the inbound webhook verification of camel-clickup and the {{webhookSecret}} option of camel-whatsapp.



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