syndicate-rkt/syndicate-examples/ircd/greeter.rkt

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#lang syndicate
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(require "protocol.rkt")
(require "message.rkt")
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(require/activate syndicate/reload)
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(spawn #:name 'greeter
(stop-when-reloaded)
(on (asserted (ircd-channel-member $Ch $conn))
(match-define (ircd-connection-info _ N U)
(immediate-query [query-value #f ($ I (ircd-connection-info conn _ _)) I]))
;; TODO: history replay? As the following illustrates, we are able to forge messages
(send! (ircd-event conn (irc-message (irc-source-nick N U) "PRIVMSG" (list Ch)
(format "Welcome to ~a, ~a!" Ch N))))))
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(spawn #:name 'authenticator
(stop-when-reloaded)
(during (observe (ircd-credentials $nick $user $password _))
(log-info "Credentials: ~a ~a ~a" nick user password)
(assert (ircd-credentials nick user password (equal? password "foobar")))))