diff options
Diffstat (limited to 'emacs/xmpp.el')
-rw-r--r-- | emacs/xmpp.el | 701 |
1 files changed, 701 insertions, 0 deletions
diff --git a/emacs/xmpp.el b/emacs/xmpp.el new file mode 100644 index 0000000..ebe6911 --- /dev/null +++ b/emacs/xmpp.el @@ -0,0 +1,701 @@ +;;; xmpp.el --- an XMPP client -*- lexical-binding: t; -*- + +;; Copyright (C) 2021 defanor + +;; Author: defanor <defanor@uberspace.net> +;; Maintainer: defanor <defanor@uberspace.net> +;; Created: 2021-02-24 +;; Keywords: xmpp, rexmpp +;; Homepage: https://git.uberspace.net/rexmpp/ +;; Version: 0.0.0 + +;; This file is not part of GNU Emacs. + +;; This program is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program. If not, see <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; See rexmpp's xml_interface.c. Possibly it'll also work with other +;; libraries later. + +;; This is even less polished than the library. + +;;; Code: + +(require 'xml) +(require 'seq) +(require 'tracking) +(require 'auth-source) + +(defgroup xmpp nil + "An Emacs interface to rexmpp." + :prefix "xmpp-" + :group 'applications) + +(defface xmpp-timestamp + '((((type graphic) (class color) (background dark)) :foreground "SteelBlue") + (((type graphic) (class color) (background light)) :foreground "SteelBlue")) + "Timestamp face." + :group 'xmpp) + +(defface xmpp-my-nick + '((((type graphic) (class color) (background dark)) :foreground "LightSkyBlue") + (((type graphic) (class color) (background light)) :foreground "Blue") + (t :weight bold)) + "Own nick face." + :group 'xmpp) + +(defface xmpp-other-nick + '((((type graphic) (class color) (background dark)) :foreground "PaleGreen") + (((type graphic) (class color) (background light)) :foreground "DarkGreen") + (t :weight bold)) + "Others' nick face." + :group 'xmpp) + +(defface xmpp-presence + '((((type graphic) (class color) (background dark)) :foreground "wheat1") + (((type graphic) (class color) (background light)) :foreground "wheat4")) + "Presence notification face." + :group 'xmpp) + +(defface xmpp-action + '((((type graphic) (class color) (background dark)) :foreground "thistle1") + (((type graphic) (class color) (background light)) :foreground "thistle4")) + "Action (/me) face." + :group 'xmpp) + + +(defvar xmpp-command "rexmpp_xml_interface" + "A command to run an XMPP client subprocess.") + +(defvar xmpp-timestamp-format "%H:%M" + "Time string format to use in query buffers.") + +(defvar xmpp-proc nil + "XMPP process buffer. This should be defined for all the + XMPP-related buffers.") +(make-variable-buffer-local 'xmpp-proc) + +(defvar xmpp-jid nil + "User JID related to a current XMPP-related buffer.") +(make-variable-buffer-local 'xmpp-jid) + +(defvar xmpp-query-buffers nil + "An association list of query buffers corresponding to JIDs.") +(make-variable-buffer-local 'xmpp-query-buffers) + +(defvar xmpp-muc-buffers nil + "An association list of MUC buffers corresponding to conference + JIDs.") +(make-variable-buffer-local 'xmpp-muc-buffers) + +(defvar xmpp-log-buffer nil + "An XMPP log buffer.") +(make-variable-buffer-local 'xmpp-log-buffer) + +(defvar xmpp-console-buffer nil + "An XMPP text console buffer.") +(make-variable-buffer-local 'xmpp-console-buffer) + +(defvar xmpp-xml-buffer nil + "An XMPP XML console buffer.") +(make-variable-buffer-local 'xmpp-xml-buffer) + +(defvar xmpp-active-requests nil + "Active requests for a subprocess.") +(make-variable-buffer-local 'xmpp-active-requests) + +(defvar xmpp-truncate-buffer-at 100000 + "The buffer size at which to truncate an XMPP-related buffer by + approximately halving it.") + +(defun xmpp-timestamp-string (&optional time) + (let ((str (format-time-string xmpp-timestamp-format time))) + (add-face-text-property 0 (length str) 'xmpp-timestamp nil str) + str)) + +(defun xmpp-activity-notify () + (tracking-add-buffer (current-buffer))) + +(defun xmpp-jid-to-bare (jid) + (let* ((jid-list (reverse (string-to-list jid))) + (resource-pos (seq-position jid-list ?/))) + (if resource-pos + (concat (reverse (seq-drop jid-list (1+ resource-pos)))) + jid))) + +(defun xmpp-jid-localpart (jid) + (let* ((jid-list (string-to-list jid)) + (at-pos (seq-position jid-list ?@))) + (when at-pos + (concat (seq-take jid-list at-pos))))) + +(defun xmpp-jid-resource (jid) + (let* ((jid-list (reverse (string-to-list jid))) + (resource-pos (seq-position jid-list ?/))) + (if resource-pos + (concat (reverse (seq-take jid-list resource-pos))) + jid))) + + +(defun xmpp-gen-id () + (number-to-string (random))) + +(defun xmpp-xml-set-xmlns (node &optional parent-ns) + "Propagates xmlns to child elements. This is a temporary hack +to keep using xml.el without proper namespace parsing, so that +its printing--which doesn't handle namespaces--can be used too." + (if (listp node) + (let* ((xmlns (xml-get-attribute-or-nil node 'xmlns)) + (ns (or xmlns parent-ns)) + (attrs (xml-node-attributes node))) + (cons (xml-node-name node) + (cons (if xmlns + attrs + (if ns + (cons (cons 'xmlns ns) attrs) + attrs)) + (mapcar (lambda (x) (xmpp-xml-set-xmlns x ns)) (xml-node-children node))))) + node)) + +(defun xmpp-xml-parse-region (&optional beg end buffer) + (mapcar 'xmpp-xml-set-xmlns + (xml-parse-region beg end buffer))) + +(defun xmpp-xml-match (xml name ns) + (and (consp xml) + (eq (xml-node-name xml) name) + (equal (xml-get-attribute-or-nil xml 'xmlns) ns))) + +(defun xmpp-xml-child (xml name &optional ns) + (seq-find (lambda (x) (xmpp-xml-match x name ns)) xml)) + +(defun xmpp-proc-write (xml &optional proc) + (let ((cur-proc (or proc xmpp-proc))) + (with-temp-buffer + (xml-print xml) + (insert "\n") + (process-send-region cur-proc (point-min) (point-max))))) + +(defun xmpp-with-message-body (proc message-xml func) + (let* ((message-contents (xml-node-children message-xml)) + (message-body (xmpp-xml-child message-contents 'body "jabber:client")) + (message-openpgp (xmpp-xml-child message-contents 'openpgp "urn:xmpp:openpgp:0"))) + (if message-openpgp + ;; TODO: check validation results. + (xmpp-request `(openpgp-decrypt-message nil ,message-xml) + (lambda (response) + (let* ((payload (xmpp-xml-child response 'payload "urn:xmpp:openpgp:0"))) + (funcall func (car (xml-node-children payload))))) + proc) + (funcall func message-body)))) + +(defun xmpp-message-string (str) + (if (string-prefix-p "/me " str) + (let ((action (substring str 3))) + (add-face-text-property + 0 + (length action) + 'xmpp-action + nil + action) + action) + (concat ": " str))) + +(defun xmpp-process-input (proc xml) + (with-current-buffer (process-buffer proc) + (with-current-buffer xmpp-xml-buffer + (xmpp-insert (format "<!-- server, %s -->\n" (current-time-string))) + (xmpp-insert-xml (list xml)) + (xmpp-insert "\n")) + (when (xmpp-xml-match xml 'presence "jabber:client") + (let* ((presence-from (xml-get-attribute-or-nil xml 'from)) + (presence-type (or (xml-get-attribute-or-nil xml 'type) "available")) + (presence-show (car (xml-node-children (xmpp-xml-child xml 'show "jabber:client")))) + (presence-status (car (xml-node-children (xmpp-xml-child xml 'status "jabber:client")))) + (presence-string + (concat + presence-from " is " + presence-type + (when presence-show + (concat " (" presence-show ")")) + (when presence-status + (concat ": " presence-status)))) + (bare-jid (xmpp-jid-to-bare presence-from)) + (resourcepart (xmpp-jid-resource presence-from))) + (add-face-text-property + 0 + (length presence-string) + 'xmpp-presence + nil + presence-string) + (when (assoc bare-jid xmpp-query-buffers) + (with-current-buffer (cdr (assoc bare-jid xmpp-query-buffers)) + (xmpp-insert (concat + (xmpp-timestamp-string) ", " + presence-string "\n")))) + (when (assoc bare-jid xmpp-muc-buffers) + (with-current-buffer (cdr (assoc bare-jid xmpp-muc-buffers)) + (xmpp-insert + (concat (xmpp-timestamp-string) ", " + presence-string "\n"))))))) + (when (xmpp-xml-match xml 'message "jabber:client") + (let* ((carbons-sent (xmpp-xml-child xml 'sent "urn:xmpp:carbons:2")) + (carbons-received (xmpp-xml-child xml 'received "urn:xmpp:carbons:2")) + (carbons-forwarded (xmpp-xml-child (or carbons-sent carbons-received) + 'forwarded "urn:xmpp:forward:0")) + (carbons-message (xmpp-xml-child carbons-forwarded 'message "jabber:client")) + (message-xml (or carbons-message xml)) + (message-from (xml-get-attribute-or-nil message-xml 'from)) + (message-delay (xmpp-xml-child message-xml 'delay "urn:xmpp:delay")) + (message-time (if message-delay + (encode-time + (iso8601-parse + (xml-get-attribute-or-nil message-delay 'stamp))) + (current-time))) + (chat-with (cond (carbons-sent (xml-get-attribute-or-nil message-xml 'to)) + (t message-from)))) + (xmpp-with-message-body + proc message-xml + (lambda (message-body) + (when message-body + (let ((message-str + (xmpp-message-string (car (xml-node-children message-body))))) + (xmpp-with-name + message-from + (lambda (message-from-name) + (pcase (xml-get-attribute-or-nil xml 'type) + ("chat" + (with-current-buffer (xmpp-query chat-with proc) + (add-face-text-property + 0 + (length message-from-name) + (if (equal (with-current-buffer (process-buffer xmpp-proc) xmpp-jid) + (xmpp-jid-to-bare chat-with)) + 'xmpp-my-nick + 'xmpp-other-nick) + nil + message-from-name) + (xmpp-insert + (concat (xmpp-timestamp-string message-time) ", " + message-from-name + message-str "\n")) + (xmpp-activity-notify))) + ("groupchat" + (with-current-buffer (xmpp-muc-buffer chat-with proc) + (let ((from-nick (xmpp-jid-resource message-from))) + (add-face-text-property + 0 + (length from-nick) + (if (equal xmpp-muc-my-occupant-jid message-from) + 'xmpp-my-nick + 'xmpp-other-nick) + nil + from-nick) + (xmpp-insert + (concat (xmpp-timestamp-string message-time) ", " + from-nick + message-str "\n")) + (xmpp-activity-notify)))))))))))))) + +(defun xmpp-set-from (proc xml) + (let* ((name (xml-node-name xml)) + (attr (xml-node-attributes xml)) + (children (xml-node-children xml)) + (new-attr (if (assoc 'from attr) + attr + (cons (cons 'from + (with-current-buffer + (process-buffer proc) + xmpp-jid)) + attr)))) + (cons name (cons new-attr children)))) + +(defun xmpp-process-output (proc xml) + (with-current-buffer (process-buffer proc) + (with-current-buffer xmpp-xml-buffer + (xmpp-insert (format "<!-- client, %s -->\n" (current-time-string))) + (xmpp-insert-xml (list xml)) + (xmpp-insert "\n"))) + (when (xmpp-xml-match xml 'message "jabber:client") + (xmpp-with-message-body + ;; The "from" attribute is needed for validation. + proc (xmpp-set-from proc xml) + (lambda (message-body) + (xmpp-with-name + xmpp-jid + (lambda (my-name) + (add-face-text-property 0 (length my-name) 'xmpp-my-nick nil my-name) + (let ((message-to (xml-get-attribute-or-nil xml 'to))) + (pcase (xml-get-attribute-or-nil xml 'type) + ("chat" + (when message-body + (let ((buf (xmpp-query message-to proc))) + (when buf + (with-current-buffer buf + (xmpp-insert + (concat + (xmpp-timestamp-string) ", " + my-name + (xmpp-message-string + (car (xml-node-children message-body))) + "\n"))))))) + ("groupchat" nil)))))))) + (when (and (xmpp-xml-match xml 'presence "jabber:client") + (or (not (xml-get-attribute-or-nil xml 'type)) + (equal (xml-get-attribute-or-nil xml 'type) "available")) + (xmpp-xml-child xml 'x "http://jabber.org/protocol/muc")) + ;; Joining a MUC + (let* ((occupant-jid (xml-get-attribute xml 'to)) + (muc-jid (xmpp-jid-to-bare occupant-jid)) + (buf (xmpp-muc-buffer muc-jid proc))) + (with-current-buffer buf + (setq-local xmpp-muc-my-occupant-jid occupant-jid))))) + +(defun xmpp-process (proc xml) + (let* ((buf (process-buffer proc)) + (log-buf (with-current-buffer buf xmpp-log-buffer)) + (console-buf (with-current-buffer buf xmpp-console-buffer)) + (my-jid (with-current-buffer buf xmpp-jid)) + (xml-elem (car xml))) + (pcase (xml-node-name xml-elem) + ('request + (let ((rid (xml-get-attribute xml-elem 'id))) + (pcase (car (xml-node-children xml-elem)) + (`(sasl ((property . ,prop))) + (let ((resp + (if (equal prop "password") + (let ((secret + (plist-get + (car + (auth-source-search + :max 1 + :user my-jid + :port "xmpp" + :require '(:user :secret))) :secret))) + (if (functionp secret) + (funcall secret) + secret)) + (read-passwd + (concat "SASL " prop ": "))))) + (xmpp-proc-write `((response ((id . ,rid)) ,resp)) + proc))) + (`(xml-in nil ,xml-in) + (progn (xmpp-process-input proc xml-in) + (xmpp-proc-write `((response ((id . ,rid)) "0")) proc))) + (`(xml-out nil ,xml-out) + (progn (xmpp-process-output proc xml-out) + (xmpp-proc-write `((response ((id . ,rid)) "0")) proc)))))) + ('log + (with-current-buffer log-buf + (goto-char (point-max)) + (insert (format "%s [%s] %s\n" (current-time-string) + (xml-get-attribute xml-elem 'priority) + (car (xml-node-children xml-elem)))))) + ('console + (with-current-buffer console-buf + (xmpp-insert (car (xml-node-children xml-elem))))) + ('response + (with-current-buffer buf + (let* ((rid (xml-get-attribute xml-elem 'id)) + (cb (alist-get rid xmpp-active-requests nil nil 'string-equal))) + (setq xmpp-active-requests + (assoc-delete-all rid xmpp-active-requests)) + (when cb + (funcall cb (car (xml-node-children xml-elem)))))))))) + +(defun xmpp-request (req cb &optional proc) + (let ((cur-proc (or proc xmpp-proc)) + (req-id (xmpp-gen-id))) + (with-current-buffer (process-buffer cur-proc) + (xmpp-proc-write `((request ((id . ,req-id)) ,req)) cur-proc) + (push (cons req-id cb) xmpp-active-requests)))) + +(defun xmpp-with-name (jid cb &optional proc) + (let ((cur-proc (or proc xmpp-proc)) + (bare-jid (xmpp-jid-to-bare jid))) + (with-current-buffer (process-buffer cur-proc) + ;; Use resource for MUC private messages, determine a nick + ;; otherwise. + (if (assoc bare-jid xmpp-muc-buffers) + (funcall cb (xmpp-jid-resource jid)) + (xmpp-request `(get-name nil ,jid) cb proc))))) + +(defun xmpp-http-upload (path &optional proc) + (interactive "fFile path: ") + (xmpp-request + `(http-upload nil ,path) + (lambda (url) + (kill-new url) + (message "Uploaded the file to %s" url)) + proc)) + +(defun xmpp-stop (&optional proc) + (interactive) + (xmpp-request '(stop) nil proc)) + +(defun xmpp-kill-buffers (&optional proc) + (interactive) + (when (and xmpp-log-buffer + xmpp-console-buffer + xmpp-xml-buffer) + (mapcar (lambda (b) (kill-buffer (cdr b))) xmpp-query-buffers) + (mapcar (lambda (b) (kill-buffer (cdr b))) xmpp-muc-buffers) + (kill-buffer xmpp-log-buffer) + (kill-buffer xmpp-console-buffer) + (kill-buffer xmpp-xml-buffer) + (kill-buffer))) + +(defun xmpp-send (xml &optional proc) + (xmpp-request `(send nil ,xml) nil proc)) + +(defun xmpp-filter (proc str) + (when (buffer-live-p (process-buffer proc)) + (with-current-buffer (process-buffer proc) + (save-excursion + (goto-char (point-max)) + (insert str) + (goto-char (point-min)) + (let ((zero (search-forward "\0" nil t))) + (while zero + (let ((xml (xmpp-xml-parse-region (point-min) (1- zero)))) + (xmpp-process proc xml) + (delete-region (point-min) zero) + (setq zero (search-forward "\0" nil t))))))))) + +;;;###autoload +(defun xmpp (jid) + "Initiates a new XMPP session." + (interactive "sJID: ") + (let* ((bare-jid (xmpp-jid-to-bare jid)) + (proc-buf (generate-new-buffer + (concat "*xmpp:" bare-jid " process*")))) + (with-current-buffer proc-buf + (setq-local xmpp-jid bare-jid) + (setq-local xmpp-active-requests nil) + (setq-local xmpp-query-buffers '()) + (setq-local xmpp-muc-buffers '()) + (setq-local xmpp-log-buffer + (generate-new-buffer + (concat "*xmpp:" bare-jid " log*"))) + (setq-local xmpp-console-buffer + (generate-new-buffer + (concat "*xmpp:" bare-jid " text console*"))) + (setq-local xmpp-xml-buffer + (generate-new-buffer + (concat "*xmpp:" bare-jid " XML console*"))) + (with-current-buffer xmpp-console-buffer + (xmpp-console-mode)) + (with-current-buffer xmpp-xml-buffer + (xmpp-xml-mode)) + (setq-local xmpp-proc + (make-process :name "xmpp" + :command (list xmpp-command jid) + :buffer proc-buf + :filter 'xmpp-filter)) + (let ((new-proc xmpp-proc)) + (with-current-buffer xmpp-console-buffer + (setq-local xmpp-proc new-proc)) + (with-current-buffer xmpp-xml-buffer + (setq-local xmpp-proc new-proc)) + (with-current-buffer xmpp-log-buffer + (setq-local xmpp-proc new-proc)))))) + +(defun xmpp-restart (&optional proc) + "Restarts an XMPP process." + (interactive) + (let* ((cur-proc (or proc xmpp-proc)) + (proc-buf (process-buffer cur-proc))) + (when (and cur-proc (process-live-p cur-proc)) + (xmpp-stop cur-proc)) + (with-current-buffer proc-buf + (setq-local xmpp-active-requests nil) + (setq-local xmpp-proc + (make-process :name "xmpp" + :command (list xmpp-command xmpp-jid) + :buffer proc-buf + :filter 'xmpp-filter)) + (let ((new-proc xmpp-proc)) + (mapcar (lambda (b) + (with-current-buffer b (setq-local xmpp-proc new-proc))) + (append (list xmpp-console-buffer xmpp-xml-buffer xmpp-log-buffer) + (mapcar 'cdr xmpp-query-buffers) + (mapcar 'cdr xmpp-muc-buffers))))))) + +(defun xmpp-insert (args) + (save-excursion + (when (and xmpp-truncate-buffer-at + (> xmpp-prompt-start-marker xmpp-truncate-buffer-at)) + (goto-char (/ xmpp-truncate-buffer-at 2)) + (search-forward "\n") + (delete-region (point-min) (point))) + (goto-char xmpp-prompt-start-marker) + (funcall 'insert args) + (set-marker xmpp-prompt-start-marker (point)) + (set-marker xmpp-prompt-end-marker (+ 2 (point))))) + +(defun xmpp-insert-xml (xml) + (save-excursion + (goto-char xmpp-prompt-start-marker) + (xml-print xml) + (setq-local xmpp-prompt-start-marker (point-marker)) + (goto-char (+ 2 xmpp-prompt-start-marker)) + (setq-local xmpp-prompt-end-marker (point-marker)))) + +(defun xmpp-send-input () + (interactive) + (let ((input (buffer-substring xmpp-prompt-end-marker (point-max)))) + (unless (string-empty-p input) + (pcase major-mode + ('xmpp-query-mode (xmpp-send `(message ((xmlns . "jabber:client") + (id . ,(xmpp-gen-id)) + (to . ,xmpp-jid) + (type . "chat")) + (body nil ,input)))) + ('xmpp-muc-mode (xmpp-send `(message ((xmlns . "jabber:client") + (id . ,(xmpp-gen-id)) + (to . ,xmpp-jid) + (type . "groupchat")) + (body nil ,input)))) + ('xmpp-console-mode (xmpp-request `(console nil ,input) nil xmpp-proc)) + ('xmpp-xml-mode + (mapcar 'xmpp-send (xmpp-xml-parse-region xmpp-prompt-end-marker (point-max)))))) + (delete-region xmpp-prompt-end-marker (point-max)))) + + +(defvar xmpp-mode-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "RET") 'xmpp-send-input) + map) + "Keymap for `xmpp-mode'.") + +(define-derived-mode xmpp-mode nil "XMPP" + "XMPP major mode." + (insert "> ") + (add-text-properties (point-min) (point-max) + '(field t read-only t rear-nonsticky t)) + (setq-local xmpp-prompt-start-marker (point-min-marker)) + (setq-local xmpp-prompt-end-marker (point-max-marker))) + +(define-derived-mode xmpp-query-mode xmpp-mode "XMPP-query" + "XMPP Query major mode.") + +(define-derived-mode xmpp-muc-mode xmpp-mode "XMPP-MUC" + "XMPP Query major mode.") + +(define-derived-mode xmpp-console-mode xmpp-mode "XMPP-text-console" + "XMPP Text Console major mode.") + +(define-derived-mode xmpp-xml-mode xmpp-mode "XMPP-XML-console" + "XMPP XML Console major mode.") + + +(defun xmpp-query-buffer-on-close () + (let ((query-jid xmpp-jid)) + (when (buffer-live-p (process-buffer xmpp-proc)) + (with-current-buffer (process-buffer xmpp-proc) + (setq xmpp-query-buffers + (seq-remove (lambda (x) (equal (car x) query-jid)) + xmpp-query-buffers))))) + t) + +(defun xmpp-muc-buffer-on-close () + (let ((muc-jid xmpp-jid)) + (when (buffer-live-p (process-buffer xmpp-proc)) + (with-current-buffer (process-buffer xmpp-proc) + (setq xmpp-muc-buffers + (seq-remove (lambda (x) (equal (car x) muc-jid)) + xmpp-muc-buffers))))) + t) + +(defun xmpp-query (jid &optional proc) + (interactive "sQuery JID: ") + (let ((process (or proc xmpp-proc))) + (with-current-buffer (process-buffer process) + ;; Use full JID for MUC private messages, but a bare JID for + ;; regular chats. + (let* ((bare-jid (xmpp-jid-to-bare jid)) + (target-jid (if (assoc bare-jid xmpp-muc-buffers) + jid + bare-jid)) + (buf (if (assoc target-jid xmpp-query-buffers) + (cdr (assoc target-jid xmpp-query-buffers)) + (let ((query-buf (generate-new-buffer + (concat "*xmpp:" target-jid "*")))) + (with-current-buffer query-buf + (xmpp-query-mode) + (setq-local xmpp-jid target-jid) + (setq-local xmpp-proc process) + (setq-local kill-buffer-query-functions + (cons #'xmpp-query-buffer-on-close + kill-buffer-query-functions))) + (push (cons target-jid query-buf) xmpp-query-buffers) + query-buf)))) + (when (interactive-p) + (display-buffer buf)) + buf)))) + +(defun xmpp-muc-join (jid &optional nick proc) + (interactive "sConference JID: ") + (with-current-buffer (process-buffer (or proc xmpp-proc)) + (let* ((bare-jid (xmpp-jid-to-bare jid)) + (my-nick (or nick (xmpp-jid-localpart xmpp-jid))) + (full-jid (concat bare-jid "/" my-nick))) + (xmpp-send `(presence ((xmlns . "jabber:client") + (id . ,(xmpp-gen-id)) + (to . ,full-jid)) + (x ((xmlns . "http://jabber.org/protocol/muc"))))) + (xmpp-request + `(muc-ping-set ((occupant-jid . ,full-jid) + (delay . "600")) + nil) + nil + proc)))) + +(defun xmpp-muc-leave (jid &optional proc) + (interactive "sConference JID: ") + (with-current-buffer (process-buffer (or proc xmpp-proc)) + (with-current-buffer (cdr (assoc jid xmpp-muc-buffers)) + (xmpp-send `(presence ((xmlns . "jabber:client") + (id . ,(xmpp-gen-id)) + (to . ,xmpp-muc-my-occupant-jid) + (type . "unavailable")))) + (xmpp-request + `(muc-ping-remove ((occupant-jid . ,xmpp-muc-my-occupant-jid)) + nil) + nil)))) + +(defun xmpp-muc-buffer (jid &optional proc) + (let* ((process (or proc xmpp-proc)) + (bare-jid (xmpp-jid-to-bare jid))) + (with-current-buffer (process-buffer process) + (let ((buf (if (assoc bare-jid xmpp-muc-buffers) + (cdr (assoc bare-jid xmpp-muc-buffers)) + (let ((muc-buf (generate-new-buffer (concat "*xmpp:" bare-jid "*")))) + (with-current-buffer muc-buf + (xmpp-muc-mode) + (setq-local xmpp-jid bare-jid) + (setq-local xmpp-proc process) + (setq-local kill-buffer-query-functions + (cons #'xmpp-muc-buffer-on-close + kill-buffer-query-functions))) + (push (cons bare-jid muc-buf) xmpp-muc-buffers) + muc-buf)))) + (when (interactive-p) + (display-buffer buf)) + buf)))) + +(provide 'xmpp) + +;;; xmpp.el ends here |