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Add: (ement-room-join) Verify room ID/alias format

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Adam Porter 2021-09-16 13:50:45 +00:00
parent 870e3fbbfa
commit 5561c5659f
1 changed files with 12 additions and 0 deletions
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12
ement-room.el
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@ -857,6 +857,18 @@ Interactively, set the current buffer's ROOM's TOPIC."
(or ement-session
(ement-complete-session))))
(cl-assert id-or-alias) (cl-assert session)
(unless (string-match-p
;; According to tulir in #matrix-dev:matrix.org, ": is not
;; allowed in the localpart, all other valid unicode is
;; allowed. (user ids and room ids are the same over
;; federation). it's mostly a lack of validation in
;; synapse (arbitrary unicode isn't intentionally allowed,
;; but it's not disallowed either)". See
;; <https://matrix.to/#/!jxlRxnrZCsjpjDubDX:matrix.org/$Cnb53UQdYnGFizM49Aje_Xs0BxVdt-be7Dnm7_k-0ho>.
(rx bos (or "#" "!") (1+ (not (any ":")))
":" (1+ (or alnum (any "-."))))
id-or-alias)
(user-error "Invalid room ID or alias (use, e.g. \"#ROOM-ALIAS:SERVER\")"))
(let ((endpoint (format "join/%s" (url-hexify-string id-or-alias))))
(ement-api session endpoint :method 'post :data ""
:then (lambda (data)