diff options
Diffstat (limited to 'lib/net')
| -rw-r--r-- | lib/net/jao-eww-session.el | 29 | ||||
| -rw-r--r-- | lib/net/jao-frm.el | 222 | ||||
| -rw-r--r-- | lib/net/jao-notmuch-gnus.el | 63 | ||||
| -rw-r--r-- | lib/net/jao-notmuch.el | 321 | ||||
| -rw-r--r-- | lib/net/jao-proton-utils.el | 141 | ||||
| -rw-r--r-- | lib/net/jao-url.el | 36 | ||||
| -rw-r--r-- | lib/net/randomsig.el | 9 | ||||
| -rw-r--r-- | lib/net/signel.org | 546 | 
8 files changed, 389 insertions, 978 deletions
| diff --git a/lib/net/jao-eww-session.el b/lib/net/jao-eww-session.el index 9a34656..da5bc8b 100644 --- a/lib/net/jao-eww-session.el +++ b/lib/net/jao-eww-session.el @@ -1,6 +1,6 @@  ;;; jao-eww-session.el --- Persistent eww sessions -*- lexical-binding: t; -*- -;; Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2012, 2021, 2022  Jose A Ortega Ruiz +;; Copyright (C) 2003-2004, 2006-2009, 2012, 2021-2022, 2025  Jose A Ortega Ruiz  ;; Author: Jose A Ortega Ruiz <jao@gnu.org>  ;; Version: 0.4 @@ -86,7 +86,7 @@ the session is already displayed in a eww tab, jao-eww-session can:  (defvar jao-eww-current-session '(jao-eww-session 0 nil)) -(defun jao-eww-session--list-buffers (&optional skip) +(defun jao-eww-session-eww-buffers (&optional skip)    (seq-filter (lambda (b)                  (when (not (eq b skip))                    (with-current-buffer b (derived-mode-p 'eww-mode)))) @@ -94,7 +94,7 @@ the session is already displayed in a eww tab, jao-eww-session can:  (defun jao-eww-session-invisible-buffers ()    (seq-filter (lambda (b) (null (get-buffer-window b))) -              (jao-eww-session--list-buffers (current-buffer)))) +              (jao-eww-session-eww-buffers (current-buffer))))  (defun jao-eww--current-url ()    (when-let (url (eww-current-url)) (url-encode-url url))) @@ -104,7 +104,7 @@ the session is already displayed in a eww tab, jao-eww-session can:          (cb (current-buffer))          (pos 0)          (count 0)) -    (dolist (b (jao-eww-session--list-buffers (when skip-current cb)) +    (dolist (b (jao-eww-session-eww-buffers (when skip-current cb))                 (list pos (reverse urls)))        (set-buffer b)        (when-let (url (jao-eww--current-url)) @@ -141,7 +141,7 @@ the session is already displayed in a eww tab, jao-eww-session can:             (or (and (eq jao-eww-session-duplicate-tabs 'never))                 (not (y-or-n-p (format "'%s' (%s) is already open. Duplicate? "                                        (jao-eww-buffer-title) url)))))))) -   (jao-eww-session--list-buffers))) +   (jao-eww-session-eww-buffers)))  (defun jao-eww-session-load-aux ()    (let ((new-session (jao-eww-session-from-file @@ -168,15 +168,14 @@ the session is already displayed in a eww tab, jao-eww-session can:  (defun jao-eww-session--to--file (filename &optional skip)    (require 'pp) -  (when (jao-eww-session-not-empty) -    (let ((inhibit-message t) -          (session (jao-eww-session--update-current skip))) -      (with-temp-buffer -        (insert ";;;; File generated by jao-eww-session. DO NOT EDIT!\n") -        (pp session (current-buffer)) -        (insert "\n" ";;;; End of " -                (file-name-nondirectory jao-eww-session-file) "\n") -        (write-region (point-min) (point-max) (expand-file-name filename)))))) +  (let ((inhibit-message t) +        (session (jao-eww-session--update-current skip))) +    (with-temp-buffer +      (insert ";;;; File generated by jao-eww-session. DO NOT EDIT!\n") +      (pp session (current-buffer)) +      (insert "\n" ";;;; End of " +              (file-name-nondirectory jao-eww-session-file) "\n") +      (write-region (point-min) (point-max) (expand-file-name filename)))))  (defun jao-eww-session--backup-name (fname)    (concat (expand-file-name fname) ".bak")) @@ -226,7 +225,7 @@ the session is already displayed in a eww tab, jao-eww-session can:        (dolist (url urls) (eww url 4))        (seq-each #'kill-buffer buffers)        (unless (zerop offset) -        (switch-to-buffer (nth offset (jao-eww-session--list-buffers))))))) +        (switch-to-buffer (nth offset (jao-eww-session-eww-buffers)))))))  (provide 'jao-eww-session)  ;;; jao-eww-session.el ends here diff --git a/lib/net/jao-frm.el b/lib/net/jao-frm.el deleted file mode 100644 index 2658687..0000000 --- a/lib/net/jao-frm.el +++ /dev/null @@ -1,222 +0,0 @@ -;;; jao-frm.el --- use frm to show mailbox - -;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2019, 2020 - -;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org> -;; Keywords: mail - -;; This file 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, or (at your option) -;; any later version. - -;; This file 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 GNU Emacs; see the file COPYING.  If not, write to -;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. - -;;; Commentary: - -;;  Little hack to see the contents of your mailbox using GNU mailutils' -;;  `frm' program. -;; -;;  Just put (require 'jao-frm) in your .emacs, and M-x jao-frm will pop up a -;;  new window with your mailbox contents (from and subject) as -;;  printed by frm. In this buffer, use `n' and `p' to move, `q' to close -;;  the window. `g' will call Gnus. -;; - -;;; Code: - -;;;; Customisation: - -(defgroup jao-frm nil -  "Frm-base mailbox checker" -  :group 'mail -  :prefix "jao-frm-") - -(defcustom jao-frm-exec-path "frm" -  "frm executable path" -  :group 'jao-frm -  :type 'file) - -(defcustom jao-frm-mail-command 'gnus -  "Emacs function to invoke when `g' is pressed on an frm buffer." -  :group 'jao-frm -  :type 'symbol) - -(defcustom jao-frm-mailboxes nil -  "List of mailboxes to check, or directory containing them." -  :group 'jao-frm -  :type '(choice directory (repeat file))) - -(defface jao-frm-mailno-face '((t (:foreground "dark slate grey"))) -  "Face for the mail number." -  :group 'jao-frm) - -(defface jao-frm-from-face '((t (:foreground "slate grey"))) -  "Face for From: header." -  :group 'jao-frm) - -(defface jao-frm-subject-face '((t (:foreground "slate blue"))) -  "Face for Subject: header." -  :group 'jao-frm) - -(defface jao-frm-mailbox-face '((t (:bold t :weight bold))) -  "Face for mailbox name." -  :group 'jao-frm) - -;;;; Mode: - -(defvar jao-frm-mode-map -  (let ((map (make-keymap))) -    (suppress-keymap map) -    (define-key map [?q] 'jao-frm-delete-window) -    (define-key map [?n] 'next-line) -    (define-key map [?p] 'previous-line) -    (define-key map [?r] 'jao-frm) -    (define-key map [?g] (lambda () -                           (interactive) -                           (funcall jao-frm-mail-command))) -    (define-key map [(control k)] 'jao-frm-delete-message) -    map)) - -(setq jao-frm-font-lock-keywords - '(("^[^ :]+:" . 'jao-frm-mailbox-face) -   ("^\\([ 0-9]+\\):\t+\\([^\t]+\\)\t+\\([^\n]+$\\)" -    (1 'jao-frm-mailno-face) -    (2 'jao-frm-from-face) -    (3 'jao-frm-subject-face)))) - -(defvar jao-frm-mode-syntax-table -  (let ((st (make-syntax-table))) -    st)) - -(defun jao-frm-mode () -  "Major mode for displaying frm output." -  (interactive) -  (kill-all-local-variables) -  (buffer-disable-undo) -  (use-local-map jao-frm-mode-map) -  (set (make-local-variable 'font-lock-defaults) -       '(jao-frm-font-lock-keywords)) -  (set (make-local-variable 'truncate-lines) t) -  (set (make-local-variable 'kill-whole-line) t) -  (set (make-local-variable 'next-line-add-newlines) nil) -  (setq major-mode 'jao-frm-mode) -  (setq mode-name "frm") -  (read-only-mode 1) -  (goto-char 1)) - -;;;; Mode commands: -(defvar jao-frm-last-config nil) - -(defun jao-frm-delete-window () -  "Delete frm window and restore last win config" -  (interactive) -  (if (and (consp jao-frm-last-config) -           (window-configuration-p (car jao-frm-last-config))) -      (progn -        (set-window-configuration (car jao-frm-last-config)) -        (goto-char (cadr jao-frm-last-config)) -        (setq jao-frm-last-config nil)) -    (bury-buffer))) - -(defun jao-frm-delete-message () -  "Delete message at point" -  (interactive) -  (when (eq (current-buffer) (get-buffer "*frm*")) -    (beginning-of-line) -    (when (search-forward-regexp "^ +\\([0-9]+\\):" nil t) -      (let ((mn (string-to-number (match-string 1)))) -        (when (y-or-n-p (format "Delete message number %d? " mn)) -          (read-only-mode -1) -          (shell-command (format "echo 'd %d'|mail" mn) t) -          (jao-frm) -          (when (= (point-max) (point-min)) -            (jao-frm-delete-window) -            (message "Mailbox is empty"))))))) - -;;;; Activate frm: -(defun jao-frm-mbox-mails (mbox) -  (let ((no (ignore-errors -              (substring -               (shell-command-to-string (format "frm -s n %s|wc -l" mbox)) -               0 -1)))) -    (if (stringp no) (string-to-number no) 0))) - -(defun jao-frm-mail-number () -  (let ((no 0)) -    (dolist (b (jao-frm-mboxes) no) (setq no (+ no (jao-frm-mbox-mails b)))))) - -(defun jao-frm-default-count-formatter (m n) -  (format "%s: %s" (file-name-sans-extension (file-name-nondirectory m)) n)) - -(defun jao-frm-mail-counts (fmt) -  (let ((fmt (or fmt 'jao-frm-default-count-formatter))) -    (remove nil -            (mapcar (lambda (m) -                      (let ((n (jao-frm-mbox-mails m))) -                        (unless (zerop n) (funcall fmt m n)))) -                    (jao-frm-mboxes))))) - -(defun jao-frm-display-mailbox (mbox) -  (when (not (zerop (jao-frm-mbox-mails mbox))) -    (insert (or (file-name-nondirectory mbox) mbox) ":\n\n") -    (apply 'call-process -           `(,jao-frm-exec-path nil ,(current-buffer) nil -                                "-s" "n" "-n" "-t" ,@(and mbox (list mbox)))) -    (newline 2))) - -(defun jao-frm-mboxes () -  (cond ((null jao-frm-mailboxes) (list (getenv "MAIL"))) -        ((listp jao-frm-mailboxes) jao-frm-mailboxes) -        ((stringp jao-frm-mailboxes) -         (if (file-directory-p jao-frm-mailboxes) -             (directory-files jao-frm-mailboxes t "^[^.]") -           (list jao-frm-mailboxes))) -        (t (error "Error in mbox specification. Check `jao-frm-mailboxes'")))) - -;;;###autoload -(defun jao-frm () -  "Run frm." -  (interactive) -  (let ((fbuff (get-buffer-create "*frm*")) -        (inhibit-read-only t)) -    (if (not (eq fbuff (current-buffer))) -        (setq jao-frm-last-config -              (list (current-window-configuration) (point-marker)))) -    (with-current-buffer fbuff -      (delete-region (point-min) (point-max)) -      (mapc 'jao-frm-display-mailbox (jao-frm-mboxes)) -      (unless (eq major-mode 'jao-frm-mode) -        (jao-frm-mode)) -      (goto-char (point-min)) -      (if (= (point-min) (point-max)) -          (message "Mailbox is empty.") -        (pop-to-buffer fbuff)) -      (when (and (boundp 'display-time-mode) display-time-mode) -        (display-time-update))))) - -;;;###autoload -(defun jao-frm-show-mail-numbers (&optional fmt) -  (interactive) -  (let ((counts (jao-frm-mail-counts fmt))) -    (message (if counts (mapconcat 'identity counts ", ") "No mail")))) - -;;;###autoload -(defun jao-frm-mail-string () -  (let ((counts (jao-frm-mail-counts -                 (lambda (m n) -                   (let ((m (substring (file-name-nondirectory m) 0 1))) -                     (format "%s%s" (capitalize m) n)))))) -    (mapconcat 'identity counts " "))) - -(provide 'jao-frm) - -;;; jao-frm.el ends here diff --git a/lib/net/jao-notmuch-gnus.el b/lib/net/jao-notmuch-gnus.el index e18c5a1..3abfaee 100644 --- a/lib/net/jao-notmuch-gnus.el +++ b/lib/net/jao-notmuch-gnus.el @@ -1,6 +1,6 @@  ;;; jao-notmuch-gnus.el --- notmuch-gnus interoperability  -*- lexical-binding: t; -*- -;; Copyright (C) 2022  jao +;; Copyright (C) 2022, 2024, 2025  jao  ;; Author: jao <mail@jao.io>  ;; Keywords: mail @@ -28,7 +28,6 @@  (require 'ol-gnus)  (require 'notmuch-show) -  ;;; Tagging in notmuch from Gnus buffers  (defun jao-notmuch-gnus--notmuch-id (id) @@ -53,7 +52,7 @@    "Interactively add or remove tags to the current message."    (interactive)    (let* ((id (or id (jao-notmuch-gnus-message-id))) -         (current (unless tags (jao-notmuch-gnus-message-tags id))) +         (current (or tags (jao-notmuch-gnus-message-tags id)))           (prompt (format "Change tags %s" (string-join current "/")))           (tags (or tags (notmuch-read-tag-changes current prompt))))      (notmuch-tag (concat "id:" id) tags) @@ -66,6 +65,11 @@    (when-let (id (jao-notmuch-gnus-message-id))      (message "%s" (string-join (jao-notmuch-gnus-message-tags id) " ")))) +(jao-transient-major-mode+ gnus-summary +  ["Tags" +   ("s" "show message tags" jao-notmuch-gnus-show-tags) +   ("t" "tag message" jao-notmuch-gnus-tag-message)]) +  (defun jao-notmuch-gnus-toggle-tags (tags &optional id current)    "Toggle the given TAGS list for the current Gnus message."    (let* ((id (or id (jao-notmuch-gnus-message-id))) @@ -77,9 +81,9 @@      (message "New tags: %s" (jao-notmuch-gnus-message-tags id))))  (defun jao-notmuch-gnus-tag-mark () -  "Remove the new tag for an article when it's marked as seen by Gnus." +  "Remove the new and unread tags for an article when it's marked as seen by Gnus."    (when-let (id (jao-notmuch-gnus-message-id t)) -    (jao-notmuch-gnus-tag-message id '("-new") t))) +    (jao-notmuch-gnus-tag-message id '("-new" "-unread") t)))  (add-hook 'gnus-mark-article-hook #'jao-notmuch-gnus-tag-mark) @@ -100,16 +104,26 @@    (add-hook 'gnus-summary-article-move-hook #'jao-notmuch-gnus-tag-on-move)    (add-hook 'gnus-summary-article-expire-hook #'jao-notmuch-gnus-tag-on-move)) - -;;;; Displaying search results in Gnus +;;; Gnus search using notmuch + +(require 'gnus-search) + +(add-to-list 'gnus-search-expandable-keys "list") + +(cl-defmethod gnus-search-transform-expression ((engine gnus-search-notmuch) +                                                (expr (head list))) +  (format "List:%s" (gnus-search-transform-expression engine (cdr expr)))) + + +;;; Displaying search results in Gnus  (defvar jao-notmuch-gnus-server "nnml"    "Name of the target Gnus server, e.g. nnml+mail.") -(defvar jao-notmuch-gnus-mail-directory (expand-file-name "~/.emacs.d/gnus/Mail") +(defvar jao-notmuch-gnus-mail-directory (expand-file-name "~/var/mail/gnus")    "Directory where Gnus stores its mail.") -(defvar jao-notmuch-gnus-leafnode-directory (expand-file-name "~/var/news") +(defvar jao-notmuch-gnus-leafnode-directory (expand-file-name "~/var/mail/news")    "Directory where leafnode stores its messages as seen by notmuch.")  (defun jao-notmuch-gnus-file-to-group (file &optional maildir newsdir) @@ -162,10 +176,16 @@ Example:           (msg-id (when msg-id (replace-regexp-in-string "^id:" "" msg-id))))      (if (and group msg-id)          (org-gnus-follow-link group msg-id) -      (message "Couldn't get relevant infos for switching to Gnus.")))) +      (message "Couldn't get relevant info for switching to Gnus.")))) - -;;;; Org links +(defun jao-notmuch-gnus-engine (prefix config) +  (let ((prefix (file-name-as-directory (expand-file-name prefix "~"))) +        (config (expand-file-name config gnus-home-directory))) +    `(gnus-search-engine gnus-search-notmuch +                         (remove-prefix ,prefix) +                         (config-file ,config)))) + +;;; Org links  (defun jao-notmuch-gnus--fname (id)    (let ((cmd (format "notmuch search --output=files id:%s" id)))      (car (split-string (shell-command-to-string cmd))))) @@ -193,14 +213,13 @@ Example:  (org-link-set-parameters "gnus" :store #'ignore)  (org-link-set-parameters "notmuch" :store #'ignore) - -;;;; consult-notmuch +;;; consult-notmuch  (with-eval-after-load "consult-notmuch"    (defun jao-notmuch-gnus--open-candidate (candidate)      "Open a notmuch-search completion candidate email in Gnus."      (message "candidate: %S" candidate) -    (jao-notmuch-gnus-goto-message (consult-notmuch--thread-id candidate))) +    (jao-notmuch-gnus-goto-message (consult-notmuch--candidate-id candidate)))    (defun jao-gnus-consult-notmuch ()      "Run a consult-notmuch query that opens candidates in Gnus." @@ -209,5 +228,19 @@ Example:    (consult-customize jao-gnus-consult-notmuch :preview-key 'any)) +;;; tags and flags + +(defun jao-notmuch-gnus-flag-current (&rest _) +  (jao-notmuch-gnus-tag-message nil '("+flagged") t)) + +(defun jao-notmuch-gnus-unflag-current (&rest _) +  (jao-notmuch-gnus-tag-message nil '("-flagged") t)) + +(advice-add 'gnus-summary-tick-article-forward +            :before #'jao-notmuch-gnus-flag-current) +(advice-add 'gnus-summary-mark-as-read-forward +            :before #'jao-notmuch-gnus-unflag-current) + +;;; .  (provide 'jao-notmuch-gnus)  ;;; jao-notmuch-gnus.el ends here diff --git a/lib/net/jao-notmuch.el b/lib/net/jao-notmuch.el index bd48e8f..75ee027 100644 --- a/lib/net/jao-notmuch.el +++ b/lib/net/jao-notmuch.el @@ -1,6 +1,6 @@ -;;; jao-notmuch.el --- Extensions for notmuch        -*- lexical-binding: t; -*- +;;; jao-notmuch.el --- Extensions for notmuch     -*- lexical-binding: t; -*- -;; Copyright (C) 2021, 2022  jao +;; Copyright (C) 2021, 2022, 2023, 2024, 2025  jao  ;; Author: jao <mail@jao.io>  ;; Keywords: mail @@ -18,11 +18,9 @@  ;; You should have received a copy of the GNU General Public License  ;; along with this program.  If not, see <https://www.gnu.org/licenses/>. -;;; Commentary: +;; Extensions to vanilla notmuch, mostly for tree view -;;  Extensions to vanilla notmuch, mostly for tree view - -;;; Code: +;;; require:  (require 'outline)  (require 'mm-decode) @@ -32,8 +30,8 @@  (require 'notmuch-tree)  (require 'notmuch-show) - -;;;; Targetting the displayed message from the tree view + +;;; targetting the displayed message from the tree view  (defvar-local jao-notmuch--tree-buffer nil)  (declare eww--url-at-point "eww") @@ -54,12 +52,6 @@        (notmuch-tree-close-message-window)      (notmuch-tree-show-message nil))) -(defun jao-notmuch-click-message-buffer () -  (interactive) -  (let ((b (current-buffer))) -    (unless (eq 'url (jao-notmuch-goto-message-buffer t t)) -      (pop-to-buffer b)))) -  (defun jao-notmuch-tree--find-tree-buffer ()    (or jao-notmuch--tree-buffer        (let ((mb (current-buffer))) @@ -87,7 +79,7 @@    (if (not (jao-notmuch-tree--looking-at-message))        (jao-notmuch-tree-show-or-scroll t)      (if (notmuch-tree-scroll-message-window) -        (jao-notmuch-tree-next nil) +        (notmuch-tree-outline-next)        (when (not (window-live-p notmuch-tree-message-window))          (notmuch-tree-show-message nil))))) @@ -130,8 +122,8 @@                 (completing-read "Browse URL: " urls))      (message "No URLs in this message"))) - -;;;; Navigating URLs + +;;; navigating URLs  (require 'ffap) @@ -157,8 +149,8 @@                       (thing-at-point-url-at-point)))      (browse-url url))) - -;;;; Toggling mime parts and images + +;;; toggling mime parts and images  (defun jao-notmuch--toggle-mime ()    (save-excursion @@ -207,15 +199,20 @@  (defun jao-notmuch-toggle-images ()    (interactive) -  (cond ((eq mm-text-html-renderer 'w3m) -          (when (fboundp 'jao-notmuch--w3m-toggle-images) -            (jao-notmuch--w3m-toggle-images))) +  (cond ((memq mm-text-html-renderer '(w3m jao-w3m-html-renderer)) +         (when (fboundp 'jao-notmuch--w3m-toggle-images) +           (jao-notmuch--w3m-toggle-images)))          (window-system (jao-notmuch--shr-toggle-images)) -        (t (with-current-buffer notmuch-tree-message-buffer -             (jao-notmuch--view-html))))) +        (notmuch-tree-message-buffer +         (if nil ;;(fboundp 'jao-open-in-x-frame) +             (let ((w (get-buffer-window notmuch-tree-message-buffer))) +               (jao-open-in-x-frame (window-width w) (window-height w)) +               (jao-notmuch--shr-toggle-images) +               (delete-window)) +           (with-current-buffer notmuch-tree-message-buffer +             (jao-notmuch--view-html)))))) - -;;;; Keeping track of unread messages in current tree view +;;; header line with thread message counts  (defun jao-notmuch--looking-at-new-p (&optional p)    (when-let (ts (if p (plist-get p :tags) (notmuch-show-get-tags))) @@ -224,23 +221,24 @@  (defsubst jao-notmuch-tree--first-p (&optional msg)    (plist-get (or msg (notmuch-tree-get-message-properties)) :first)) -(defun jao-notmuch--message-counts (&optional thread) -  (let ((cnt) (total 0) (match 0) (msg)) -    (save-excursion -      (if thread -          (while (and (not (jao-notmuch-tree--first-p)) -                      (zerop (forward-line -1)))) -        (goto-char (point-min))) -      (while (and (setq msg (notmuch-tree-get-message-properties)) -                  (or (not cnt) -                      (not thread) -                      (not (jao-notmuch-tree--first-p msg)))) -        (unless cnt (setq cnt 0)) -        (setq total (1+ total)) -        (when (plist-get msg :match) (setq match (1+ match))) -        (when (jao-notmuch--looking-at-new-p msg) (setq cnt (1+ cnt))) -        (forward-line 1))) -    (when cnt (list total match cnt)))) +(defun jao-notmuch--message-counts (tree-buffer &optional thread) +  (with-current-buffer tree-buffer +    (let ((cnt) (total 0) (match 0) (msg)) +      (save-excursion +        (if thread +            (while (and (not (jao-notmuch-tree--first-p)) +                        (zerop (forward-line -1)))) +          (goto-char (point-min))) +        (while (and (setq msg (notmuch-tree-get-message-properties)) +                    (or (not cnt) +                        (not thread) +                        (not (jao-notmuch-tree--first-p msg)))) +          (unless cnt (setq cnt 0)) +          (setq total (1+ total)) +          (when (plist-get msg :match) (setq match (1+ match))) +          (when (jao-notmuch--looking-at-new-p msg) (setq cnt (1+ cnt))) +          (forward-line 1))) +      (when cnt (list total match cnt)))))  (defvar jao-notmuch-header-line-format "%Q  [%N / %M / %T] %n / %m / %t") @@ -249,186 +247,155 @@                 `((?Q . ,query) (?T . ,total) (?N . ,new) (?M . ,match)                   (?t . ,ttotal) (?n . ,tnew) (?m . ,tmatch)))) -(defun jao-notmuch--update-header-line (mb) -  (let* ((n (or (jao-notmuch--message-counts) '(0 0 0))) -         (nc (append n (or (jao-notmuch--message-counts t) '(0 0 0)))) -         (q (buffer-name))) -    (with-current-buffer mb +(defun jao-notmuch--format-header-line (tree-buffer buffer subject) +  (let* ((n (jao-notmuch--message-counts tree-buffer)) +         (nc (jao-notmuch--message-counts tree-buffer t))) +    (with-current-buffer buffer        (when (derived-mode-p 'notmuch-show-mode) -        (let* ((s (thread-last (notmuch-show-get-subject) -                               (notmuch-show-strip-re) -                               (notmuch-sanitize))) +        (let* ((nc (append (or n '(0 0 0)) (or nc '(0 0 0)))) +               (q (if (string= tree-buffer subject) "" tree-buffer))                 (c (apply 'jao-notmuch--format-counts q nc)) -               (n (- (window-width) 3 (string-width s) (string-width c))) -               (s (if (< n 0) (substring s 0 (- n 4)) s)) -               (n (if (< n 0) 5 (1+ n)))) -          (setq-local header-line-format -                      (concat " " s (make-string n ? ) c))))))) - -(defun jao-notmuch-tree--find-update-header-line (&rest _args) -  (when-let ((mb (if (derived-mode-p 'notmuch-show-mode) -                     (current-buffer) -                   (window-buffer notmuch-tree-message-window)))) -    (seq-find (lambda (b) -                (with-current-buffer b -                  (and (derived-mode-p 'notmuch-tree-mode) -                       (or (null notmuch-tree-message-buffer) -                           (eq notmuch-tree-message-buffer mb)) -                       (jao-notmuch--update-header-line mb)))) -              (buffer-list)))) - -(add-hook 'notmuch-after-tag-hook #'jao-notmuch-tree--find-update-header-line) -(add-hook 'notmuch-show-hook #'jao-notmuch-tree--find-update-header-line) - - -;;;; Outline mode for tree view - -(defun jao-notmuch-tree--msg-prefix (msg) -  (insert (propertize (if (plist-get msg :first) "> " "  ") 'display " "))) - -(defun jao-notmuch-tree--mode-setup () -  (setq-local outline-regexp "^> \\|^En") -  (outline-minor-mode t)) - -(defun jao-notmuch-tree-hide-others (&optional and-show) -  (interactive) -  (outline-hide-body) -  (outline-show-entry) -  (when and-show (notmuch-tree-show-message nil))) - -(defun jao-notmuch-tree--next (prev thread no-exit &optional ignore-new) -  (let ((line-move-ignore-invisible nil)) -    (cond ((and (not ignore-new) (jao-notmuch--looking-at-new-p))) -          (thread -           (notmuch-tree-next-thread prev) -           (unless (or (not (notmuch-tree-get-message-properties)) -                       (jao-notmuch--looking-at-new-p)) -             (notmuch-tree-matching-message prev (not no-exit)))) -          (t (notmuch-tree-matching-message prev (not no-exit))))) -  (when (notmuch-tree-get-message-id) -    (jao-notmuch-tree-hide-others t)) -  (when prev (forward-char 2))) - -(defvar jao-notmuch-tree--prefix-map -  (let ((m (make-keymap "Thread operations"))) -    (define-key m (kbd "TAB") #'outline-cycle) -    (define-key m (kbd "t") #'outline-toggle-children) -    (define-key m (kbd "s") #'outline-show-entry) -    (define-key m (kbd "S") #'outline-show-all) -    (define-key m (kbd "h") #'outline-hide-entry) -    (define-key m (kbd "H") #'outline-hide-body) -    (define-key m (kbd "o") #'jao-notmuch-tree-hide-others) -    (define-key m (kbd "n") #'outline-hide-other) -    m)) - -(defun jao-notmuch-tree-outline-setup (&optional prefix) -  (define-key notmuch-tree-mode-map (kbd (or prefix "T")) -    jao-notmuch-tree--prefix-map) -  (define-key notmuch-tree-mode-map (kbd "TAB") #'outline-cycle) -  (define-key notmuch-tree-mode-map (kbd "M-TAB") #'outline-cycle-buffer) -  (add-hook 'notmuch-tree-mode-hook #'jao-notmuch-tree--mode-setup) -  (advice-add 'notmuch-tree-insert-msg :before #'jao-notmuch-tree--msg-prefix)) - -(defun jao-notmuch-tree-next (thread &optional no-exit) -  "Next message or thread in forest, taking care of thread visibility." -  (interactive "P") -  (jao-notmuch-tree--next nil thread no-exit)) +               (n (- (window-width) 2 (string-width subject) (string-width c))) +               (subject (if (< n 0) (substring subject 0 n) subject)) +               (n (if (< n 0) 2 (+ n 2)))) +          (concat (when window-system " ") subject (make-string n ? ) c)))))) -(defun jao-notmuch-tree-next-thread (&optional exit) -  "Next thread in forest, taking care of thread visibility." -  (interactive "P") -  (jao-notmuch-tree--next nil t exit)) +(defun jao-notmuch-message-header-line (subject) +  (if-let* ((cb (buffer-name (current-buffer))) +            (tb (seq-find (lambda (b) +                            (with-current-buffer b +                              (and (derived-mode-p 'notmuch-tree-mode) b))) +                          (buffer-list)))) +      `((:eval (jao-notmuch--format-header-line ,(buffer-name tb) ,cb ,subject))) +    (concat " " subject))) -(defun jao-notmuch-tree-previous (thread) -  "Previous message or thread in forest, taking care of thread visibility." -  (interactive "P") -  (jao-notmuch-tree--next t thread t)) +(defun jao-notmuch--format-lighter () +  (when (derived-mode-p 'notmuch-tree-mode) +    (let* ((n (jao-notmuch--message-counts (current-buffer))) +           (nc (jao-notmuch--message-counts (current-buffer) t)) +           (nc (append (or n '(0 0 0)) (or nc '(0 0 0))))) +      (apply 'jao-notmuch--format-counts "" nc)))) -(defun jao-notmuch-tree-previous-thread (&optional exit) -  "Previous thread in forest, taking care of thread visibility." -  (interactive "P") -  (jao-notmuch-tree--next t t exit)) - - -;;;; Updating the tree window after insertion - -(defun jao-notmuch--tree-sentinel (proc &rest _) -  (when (eq (process-status proc) 'exit) -    (jao-notmuch-tree-hide-others))) +(define-minor-mode jao-notmuch-thread-info-mode "" +  :lighter (:eval (format " %s" (jao-notmuch--format-lighter)))) -(defun jao-notmuch-tree-setup (&optional prefix) -  "Set up display of trees, with PREFIX key for outline commands." -  (jao-notmuch-tree-outline-setup prefix) -  (advice-add 'notmuch-tree-process-sentinel :after #'jao-notmuch--tree-sentinel)) - -;;;; Tagging +;;; tagging  (defsubst jao-notmuch--has-tag (tag)    (member tag (notmuch-tree-get-tags))) -(defun jao-notmuch-tag-jump-and-next (reverse) -  (interactive "P") -  (notmuch-tag-jump reverse) -  (jao-notmuch-tree-next nil t)) - -(defun jao-notmuch-tree--tag (tags reverse whole-thread) +(defun jao-notmuch-tree--tag (tags reverse)    (let ((c (notmuch-tag-change-list tags reverse))) -    (if whole-thread (notmuch-tree-tag-thread c) (notmuch-tree-tag c)))) - -(defun jao-notmuch-tree--tag-and-next (tags reverse whole-thread) -  (jao-notmuch-tree--tag tags reverse whole-thread) -  (jao-notmuch-tree-next whole-thread t)) +    (notmuch-tree-tag c))) + +(defun jao-notmuch-tree-tag-thread (tags reverse full) +  (when full (notmuch-tree-thread-top)) +  (let ((c (notmuch-tag-change-list tags reverse)) +        (level (or (notmuch-tree-get-prop :level) 0)) +        (go t)) +    (while go +      (notmuch-tree-tag c) +      (forward-line) +      (setq go (> (or (notmuch-tree-get-prop :level) 0) level))) +    (when notmuch-tree-outline-mode +      (ignore-errors (outline-show-branches)) +      (notmuch-tree-outline-next)))) + +(defun jao-notmuch-tree--tag-and-next (tags reverse) +  (jao-notmuch-tree--tag tags reverse) +  (notmuch-tree-outline-next t))  (defun jao-notmuch-tree-toggle-delete ()    (interactive)    (let ((undo (jao-notmuch--has-tag "deleted"))) -    (jao-notmuch-tree--tag-and-next '("+deleted" "-new" "-unread") undo nil))) +    (jao-notmuch-tree--tag-and-next '("+deleted" "-new" "-unread") undo))) -(defun jao-notmuch-tree-toggle-delete-thread () -  (interactive) +(defun jao-notmuch-tree-toggle-delete-thread (full) +  (interactive "P")    (let ((undo (jao-notmuch--has-tag "deleted"))) -    (jao-notmuch-tree--tag-and-next '("+deleted" "-new"  "-unread") undo t))) +    (jao-notmuch-tree-tag-thread '("+deleted" "-new"  "-unread") undo full))) -(defun jao-notmuch-tree-read-thread (unread) +(defun jao-notmuch-tree-read-thread (full)    (interactive "P") -  (jao-notmuch-tree--tag-and-next '("-unread" "-new") unread t)) +  (jao-notmuch-tree-tag-thread '("-unread" "-new") nil full))  (defun jao-notmuch-tree-toggle-flag ()    (interactive)    (let ((tags (if (jao-notmuch--has-tag "flagged")                    '("-flagged")                  '("-unread" "-new" "-deleted" "+flagged")))) -    (jao-notmuch-tree--tag-and-next tags nil nil))) +    (jao-notmuch-tree--tag-and-next tags nil)))  (defun jao-notmuch-tree-toggle-spam ()    (interactive)    (let ((tags (if (jao-notmuch--has-tag "spam")                    '("-spam")                  '("-unread" "-new" "+spam")))) -    (jao-notmuch-tree--tag-and-next tags nil nil))) +    (jao-notmuch-tree--tag-and-next tags nil)))  (defun jao-notmuch-tree-reset-tags ()    (interactive)    (let ((tags (plist-get (notmuch-tree-get-message-properties) :orig-tags))) -    (jao-notmuch-tree--tag tags nil nil) -    (jao-notmuch-tree--next nil nil t t))) - - -;;;; Results formatters +    (jao-notmuch-tree--tag tags nil))) + +(defun jao-notmuch-subtags (tag &rest excl) +  (let* ((cmd (concat "notmuch search --output=tags tag:" tag)) +         (ts (split-string (shell-command-to-string cmd)))) +    (seq-difference ts (append jao-notmuch--shared-tags (cons tag excl))))) + + +;;; fcc +(defvar jao-notmuch-mua-reply-not-inherited +  '("attachment" "sent" "new" "bigml" "jao" "trove")) + +(defun jao-notmuch-mua--fcc-dirs () +  (let* ((otags (notmuch-show-get-tags)) +         (trove (or (seq-some (lambda (x) (and (member x otags) x)) +                              '("hacking" "bills" "feeds" "jao")) +                    "jao")) +         (tags (seq-difference otags jao-notmuch-mua-reply-not-inherited)) +         (tagstr (mapconcat (lambda (s) (concat "+" s)) tags " ")) +         (fcc (concat "trove/" trove " " tagstr " -new +sent +trove")) +         (fcc-dirs (assoc-delete-all ".*" (copy-alist notmuch-fcc-dirs)))) +    (append fcc-dirs `((".*" . ,fcc))))) + +(defun jao-notmuch-mua--inherited-fcc () +  (let* ((fn (notmuch-show-get-filename)) +         (dest (and (string-match ".*/var/mail/\\(.+?\\)/.+" fn) +                    (match-string 1 fn))) +         (tags (seq-difference (notmuch-show-get-tags) +                               '("attachment" "sent" "new" "flagged"))) +         (tagstr (mapconcat (lambda (s) (concat "+" s)) tags " ")) +         (fcc (concat dest " " tagstr " -new +sent +trove")) +         (fcc-dirs (assoc-delete-all ".*" (copy-alist notmuch-fcc-dirs)))) +    (append fcc-dirs `((".*" . ,fcc))))) + +(defun jao-notmuch-mua-new-reply (fun &rest args) +  (let ((notmuch-fcc-dirs (and (not (notmuch-show-get-header :List-Id)) +                               (jao-notmuch-mua--inherited-fcc)))) +    (apply fun args))) + +(advice-add 'notmuch-mua-new-reply :around #'jao-notmuch-mua-new-reply) + +;;; results formatters + +(defun jao-notmuch-cmp-tags (a b) +  (or (> (length a) (length b)) (string-lessp a b)))  (defun jao-notmuch-format-tags (fmt msg)    (let ((ts (thread-last (notmuch-tree-format-field "tags" "%s" msg)                (split-string) -              (seq-sort-by #'length #'<)))) +              ;; (seq-sort-by #'length #'<) +              (seq-sort #'jao-notmuch-cmp-tags))))      (format-spec fmt `((?s . ,(mapconcat #'identity ts " ")))))) -(defun jao-notmuch-tree-and-subject (fmt msg) +(defun jao-notmuch-format-tree-and-subject (fmt msg)    (let ((tr (notmuch-tree-format-field "tree" " %s" msg))          (sb (notmuch-tree-format-field "subject" " %s" msg)))      (format-spec fmt `((?s . ,(concat tr sb)))))) -(defun jao-notmuch-msg-ticks (mails-rx msg) +(defun jao-notmuch-format-msg-ticks (mails-rx msg)    (let ((headers (plist-get msg :headers)))      (cond ((string-match-p mails-rx (or (plist-get headers :To) ""))             (propertize " »" 'face 'notmuch-tree-match-tree-face)) diff --git a/lib/net/jao-proton-utils.el b/lib/net/jao-proton-utils.el new file mode 100644 index 0000000..62b97b3 --- /dev/null +++ b/lib/net/jao-proton-utils.el @@ -0,0 +1,141 @@ +;; jao-proton-utils.el -- simple interaction with Proton mail and vpn + +;; Copyright (c) 2018, 2019, 2020, 2023 Jose Antonio Ortega Ruiz + +;; This file 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, or (at your option) +;; any later version. + +;; This file 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 GNU Emacs; see the file COPYING.  If not, write to +;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;; Author: Jose Antonio Ortega Ruiz <mail@jao.io> +;; Start date: Fri Dec 21, 2018 23:56 + +;;; Comentary: + +;;  This is a very simple comint-derived mode to run the CLI version +;;  of PM's Bridge within the comfort of emacs. + +;;; Code: + +(define-derived-mode proton-bridge-mode comint-mode "proton-bridge" +  "A very simple comint-based mode to run ProtonMail's bridge" +  (setq comint-prompt-read-only t) +  (setq comint-prompt-regexp "^>>> ")) + +;;;###autoload +(defun run-proton-bridge () +  "Run or switch to an existing bridge process, using its CLI" +  (interactive) +  (pop-to-buffer (make-comint "proton-bridge" "protonmail-bridge" nil "-c")) +  (unless (eq major-mode 'proton-bridge-mode) +    (proton-bridge-mode))) + +;;;###autoload +(defun proton-bridge-sendmail-setup () +  "Configure message sending for local proton bridge." +  (setq send-mail-function #'smtpmail-send-it) +  (setq message-send-mail-function #'smtpmail-send-it) +  (setq smtpmail-servers-requiring-authorization +        (regexp-opt '("localhost" "127.0.0.1"))) +  (setq smtpmail-auth-supported '(plain login)) +  (setq smtpmail-smtp-user "mail@jao.io") +  (setq smtpmail-smtp-server "localhost") +  (setq smtpmail-smtp-service 1025)) + +(defvar jao-proton-vpn-font-lock-keywords '("\\[.+\\]")) + +;;;###autoload +(defun proton-vpn-mode () +  "A very simple mode to show the output of ProtonVPN commands" +  (interactive) +  (kill-all-local-variables) +  (buffer-disable-undo) +  (use-local-map proton-vpn-mode-map) +  (setq-local font-lock-defaults '(jao-proton-vpn-font-lock-keywords)) +  (setq-local truncate-lines t) +  (setq-local next-line-add-newlines nil) +  (setq major-mode 'proton-vpn-mode) +  (setq mode-name "proton-vpn") +  (read-only-mode 1)) + +(defvar jao-proton-vpn--buffer "*pvpn*") + +(defun jao-proton-vpn--do (things) +  (let ((b (pop-to-buffer (get-buffer-create jao-proton-vpn--buffer)))) +    (let ((inhibit-read-only t) +          (cmd (format "protonvpn-cli %s" things))) +      (delete-region (point-min) (point-max)) +      (message "Running: %s ...." cmd) +      (shell-command cmd b) +      (message "")) +    (proton-vpn-mode))) + +;;;###autoload +(defun proton-vpn-status () +  (interactive) +  (jao-proton-vpn--do "s")) + +(defun proton-vpn--get-status () +  (or (when-let ((b (get-buffer jao-proton-vpn--buffer))) +        (with-current-buffer b +          (goto-char (point-min)) +          (if (re-search-forward "^Status: *\\(.+\\)$" nil t) +              (match-string-no-properties 1) +            (when (re-search-forward "^Connected!$") +              "Connected")))) +      "Disconnected")) + +;;;###autoload +(defun proton-vpn-connect (cc) +  (interactive "P") +  (let ((cc (when cc (read-string "Country code: ")))) +    (jao-proton-vpn--do (if cc (format "c --cc %s" cc) "c --sc")) +    (proton-vpn-status))) + +(defun proton-vpn-reconnect () +  (interactive) +  (jao-proton-vpn--do "r")) + +(setenv "PVPN_WAIT" "300") + +;;;###autoload +(defun proton-vpn-maybe-reconnect () +  (interactive) +  (when (string= "Connected" (proton-vpn--get-status)) +    (jao-proton-vpn--do "d") +    (sit-for 5) +    (jao-proton-vpn--do "r"))) + +;;;###autoload +(defun proton-vpn-disconnect () +  (interactive) +  (jao-proton-vpn--do "d")) + +(setq proton-vpn-mode-map +      (let ((map (make-keymap))) +        (suppress-keymap map) +        (define-key map [?q] 'bury-buffer) +        (define-key map [?n] 'next-line) +        (define-key map [?p] 'previous-line) +        (define-key map [?g] 'proton-vpn-status) +        (define-key map [?r] 'proton-vpn-reconnect) +        (define-key map [?d] (lambda () +                               (interactive) +                               (when (y-or-n-p "Disconnect?") +                                 (proton-vpn-disconnect)))) +        (define-key map [?c] 'proton-vpn-connect) +        map)) + + +(provide 'jao-proton-utils) +;;; jao-proton.el ends here diff --git a/lib/net/jao-url.el b/lib/net/jao-url.el new file mode 100644 index 0000000..9e58f99 --- /dev/null +++ b/lib/net/jao-url.el @@ -0,0 +1,36 @@ +;;; jao-url.el --- URL handling                      -*- lexical-binding: t; -*- + +;; Copyright (C) 2025  Jose Antonio Ortega Ruiz + +;; Author: Jose Antonio Ortega Ruiz <mail@jao.io> +;; Keywords: hypermedia + +;; 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 <https://www.gnu.org/licenses/>. + +(require 'shr) +(require 'ffap) +(require 'thingatpt) + +(defun jao-url-around-point (&optional current-url) +  (or (and (fboundp 'w3m-anchor) (w3m-anchor)) +      (shr-url-at-point nil) +      (ffap-url-at-point) +      (thing-at-point 'url) +      (when current-url +        (or (and (fboundp 'w3m-anchor) (w3m-anchor)) +            (and (derived-mode-p 'eww-mode) (plist-get eww-data :url)))))) + + +(provide 'jao-url) +;;; jao-url.el ends here diff --git a/lib/net/randomsig.el b/lib/net/randomsig.el index cb37694..05b95ab 100644 --- a/lib/net/randomsig.el +++ b/lib/net/randomsig.el @@ -1,6 +1,6 @@  ;;; randomsig.el --- insert a randomly selected signature -;; Copyright (C) 2001, 2002, 2013, 2020, 2021 Hans-Jürgen Ficker +;; Copyright (C) 2001, 2002, 2013, 2020, 2021, 2024 Hans-Jürgen Ficker  ;; Emacs Lisp Archive Entry  ;; Author: Hans-Juergen Ficker <hj@backmes.de> @@ -277,8 +277,11 @@ You probably want to have a newline at the end of it."  (defun randomsig-prompt (&optional prompt)    ;; Prompt for a signature file.    (let ((files (randomsig-files-to-list randomsig-files))) -    (completing-read (if prompt prompt "signature: ") -                     (mapcar 'list files) nil t nil randomsig-history (car files)))) +    (if (cdr files) +        (completing-read (if prompt prompt "signature: ") +                         (mapcar 'list files) nil t nil +                         randomsig-history (car files)) +      (car files))))  (defun randomsig-read-signatures-to-buffer (buffer-name &optional files)    ;; read the signatures into the signature buffer diff --git a/lib/net/signel.org b/lib/net/signel.org deleted file mode 100644 index 722069c..0000000 --- a/lib/net/signel.org +++ /dev/null @@ -1,546 +0,0 @@ -#+title: signel, a barebones signal chat on top of signal-cli -#+date: <2020-02-23 05:03> -#+filetags: emacs norss -#+PROPERTY: header-args :tangle yes :comments yes :results silent - -Unlike most chat systems in common use, [[https://signal.org][Signal]] lacks a decent emacs -client.   All i could find was [[https://github.com/mrkrd/signal-msg][signal-msg]], which is able only to send -messages and has a readme that explicitly warns that its is /not/ a chat -application.  Skimming over signal-msg's code i learnt about -[[https://github.com/AsamK/signal-cli][signal-cli]], a java-based daemon that knows how to send and receive -signal messages, and how to link to a nearby phone, or register new -users.  And playing with it i saw that it can output its activities -formatted as JSON, and that offers (when run in daemon mode) a DBUS -service that can be used to send messages. - -Now, emacs knows how to run a process and capture its output handling -it to a filter function, and comes equipped with a JSON parser and -a set of built-in functions to talk to DBUS buses. - -So how about writing a simple Signal chat app for emacs? Let's call it -/signel/, and write it as [[https://gitlab.com/jaor/elibs/-/blob/master/net/signel.org][a blog post in literate org-mode]]. - -* Starting a process - -We are going to need a variable for our identity (telephone number), -and a list of contact names (until i discover how to get them directly -from signal-cli): - -#+begin_src emacs-lisp -(require 'cl-lib) - -(defvar signel-cli-user "+44744xxxxxx") -(defvar signel-contact-names '(("+447xxxxxxxx" . "john") -                               ("+346xxxxxxxx" . "anna"))) -#+end_src - -and a simple function to get a contact name given its telephone -number: - -#+begin_src emacs-lisp -(defun signel--contact-name (src) -  (or (alist-get src signel-contact-names nil nil #'string-equal) src)) -#+end_src - -We are also going to need the path for our signal-cli executable - -#+begin_src emacs-lisp -(defvar signel-cli-exec "signal-cli") -#+end_src - -Starting the signal-cli process is easy: ~make-process~ provides all the -necessary bits. What we need is essentially calling - -#+begin_src shell -signal-cli -u +44744xxxxxx daemon --json -#+end_src - -associating to the process a buffer selected by the function -~signel--proc-buffer~ .  While we are at it, we'll write also little -helpers for users of our API. - -#+begin_src emacs-lisp -(defun signel--proc-buffer () -  (get-buffer-create "*signal-cli*")) - -(defun signel-signal-cli-buffer () -  (get-buffer "*signal-cli*")) - -(defun signel-signal-cli-process () -  (when-let ((proc (get-buffer-process (signel-signal-cli-buffer)))) -    (and (process-live-p proc) proc))) -#+end_src - -#+begin_src emacs-lisp -(defun signel-start () -  "Start the underlying signal-cli process if needed." -  (interactive) -  (if (signel-signal-cli-process) -      (message "signal-cli is already running!") -    (let ((b (signel--proc-buffer))) -      (make-process :name "signal-cli" -                    :buffer b -                    :command `(,signel-cli-exec -                               "-u" -                               ,signel-cli-user -                               "daemon" "--json") -                    :filter #'signel--filter) -      (message "Listening to signals!")))) -#+end_src - -* Parsing JSON - -We've told emacs to handle any ouput of the process to the function -~signel--filter~, which we're going to write next.  This function will -receive the process object and its latest output as a string -representing a JSON object.  Here's an example of the kind of outputs -that signal-cli emits: - -#+begin_src json :tangle no -{ -  "envelope": { -    "source": "+4473xxxxxxxx", -    "sourceDevice": 1, -    "relay": null, -    "timestamp": 1582396178696, -    "isReceipt": false, -    "dataMessage": { -      "timestamp": 1582396178696, -      "message": "Hello there!", -      "expiresInSeconds": 0, -      "attachments": [], -      "groupInfo": null -    }, -    "syncMessage": null, -    "callMessage": null, -    "receiptMessage": null -  } -} -#+end_src - -Everything seems to be always inside ~envelope~, which contains objects -for the possible messages received.  In the example above, we're -receiving a message from a /source/ contact.  We can also receive -receipt messages, telling us whether our last message has been -received or read; e.g.: - -#+begin_src json :tangle no -{ -  "envelope": { -    "source": "+4473xxxxxxxx", -    "sourceDevice": 1, -    "relay": null, -    "timestamp": 1582397117584, -    "isReceipt": false, -    "dataMessage": null, -    "syncMessage": null, -    "callMessage": null, -    "receiptMessage": { -      "when": 1582397117584, -      "isDelivery": true, -      "isRead": false, -      "timestamps": [ -        1582397111524 -      ] -    } -  } -} -#+end_src - -A bit confusingly, that delivery notification has a ~receiptMessage~, -but its ~isReceipt~ flag is set to ~false~. At other times, we get -~isReceipt~ but no ~receiptMessage~: - -#+begin_src json :tangle no -{ -  "envelope": { -    "source": "+346xxxxxxxx", -    "sourceDevice": 1, -    "relay": null, -    "timestamp": 1582476539281, -    "isReceipt": true, -    "dataMessage": null, -    "syncMessage": null, -    "callMessage": null, -    "receiptMessage": null -  } -} -#+end_src - -It is very easy to parse JSON in emacs and extract signal-cli's -envelopes (and it's become faster in emacs 27, but the interface is a -bit different): - -#+begin_src emacs-lisp -(defun signel--parse-json (str) -  (if (> emacs-major-version 26) -      (json-parse-string str -                         :null-object nil -                         :false-object nil -                         :object-type 'alist -                         :array-type 'list) -    (json-read-from-string str))) - -(defun signel--msg-contents (str) -  (alist-get 'envelope (ignore-errors (signel--parse-json str)))) -#+end_src - -Here i am being old-school and opting to receive JSON dicitionaries as -alists (rather than hash maps, the default), and arrays as lists -rather than vectors just because lisps are lisps for a reason.  I'm -also going to do some mild [[https://lispcast.com/nil-punning/][nil punning]], -hence the choice for null and false representations. - -Once the contents of the envelope is extracted, it's trivial (and -boring) to get into its components: - -#+begin_src emacs-lisp -(defun signel--msg-source (msg) (alist-get 'source msg)) - -(defun signel--msg-data (msg) -  (alist-get 'message (alist-get 'dataMessage msg))) - -(defun signel--msg-timestamp (msg) -  (if-let (msecs (alist-get 'timestamp msg)) -      (format-time-string "%H:%M" (/ msecs 1000)) -    "")) - -;; emacs 26 compat -(defun signel--not-false (x) -  (and (not (eq :json-false x)) x)) - -(defun signel--msg-receipt (msg) -  (alist-get 'receiptMessage msg)) - -(defun signel--msg-is-receipt (msg) -  (signel--not-false (alist-get 'isReceipt msg))) - -(defun signel--msg-receipt-timestamp (msg) -  (when-let (msecs (alist-get 'when (signel--msg-receipt msg))) -    (format-time-string "%H:%M" (/ msecs 1000)))) - -(defun signel--msg-is-delivery (msg) -  (when-let ((receipt (signel--msg-receipt msg))) -    (signel--not-false (alist-get 'isDelivery msg)))) - -(defun signel--msg-is-read (msg) -  (when-let ((receipt (signel--msg-receipt msg))) -    (signel--not-false (alist-get 'isRead msg)))) -#+end_src - -* A process output filter - -We're almost ready to write our filter.  It will: - -- For debugging purposes, insert the raw JSON string in the process -  buffer. -- Parse the received JSON string and extract its envelope contents. -- Check wether it has a source and either message data or a receipt -  timestamp. -- Dispatch to a helper function that will insert the data or -  notification in a chat buffer. - -Or, in elisp: - -#+begin_src emacs-lisp -(defvar signel--line-buffer "") - -(defun signel--filter (proc str) -  (signel--ordinary-insertion-filter proc str) -  (let ((str (concat signel--line-buffer str))) -    (if-let ((msg (signel--msg-contents str))) -        (let ((source (signel--msg-source msg)) -              (stamp (signel--msg-timestamp msg)) -              (data (signel--msg-data msg)) -              (rec-stamp (signel--msg-receipt-timestamp msg))) -          (setq signel--line-buffer "") -          (when source -            (signel--update-chat-buffer source data stamp rec-stamp msg))) -      (setq signel--line-buffer -            (if (string-match-p ".*\n$" str) "" str))))) -#+end_src - -We've had to take care of the case when the filter receives input that -is not a complete JSON expression: in the case of signal-cli, that -only happens when we haven't seen yet an end of line. - -The function to insert the raw contents in the process buffer is -surprisingly hard to get right, but the emacs manual spells out a -reasonable implementation, which i just copied: - -#+begin_src emacs-lisp -(defun signel--ordinary-insertion-filter (proc string) -  (when (and proc (buffer-live-p (process-buffer proc))) -    (with-current-buffer (process-buffer proc) -      (let ((moving (= (point) (process-mark proc)))) -        (save-excursion -          ;; Insert the text, advancing the process marker. -          (goto-char (process-mark proc)) -          (insert string) -          (set-marker (process-mark proc) (point))) -        (if moving (goto-char (process-mark proc))))))) -#+end_src - -* It's not an emacs app if it doesn't have a new mode - -With that out of the way, we just have to insert our data in an -appropriate buffer.  We are going to associate a separate buffer to -each /source/, using for that its name: - -#+begin_src emacs-lisp -(defvar-local signel-user nil) - -(defun signel--contact-buffer (source) -  (let* ((name (format "*%s" (signel--contact-name source))) -         (buffer (get-buffer name))) -    (unless buffer -      (setq buffer (get-buffer-create name)) -      (with-current-buffer buffer -        (signel-chat-mode) -        (setq-local signel-user source) -        (insert signel-prompt))) -    buffer)) -#+end_src - -where, as is often the case in emacs, we are going to have a dedicated -major mode for chat buffers, called ~signel-chat-mode~.  For now, let's -keep it really simple (for the record, this is essentially a copy of -what ERC does for its erc-mode): - -#+begin_src emacs-lisp -(defvar signel-prompt ": ") - -(define-derived-mode signel-chat-mode fundamental-mode "Signal" -  "Major mode for Signal chats." -  (when (boundp 'next-line-add-newlines) -    (set (make-local-variable 'next-line-add-newlines) nil)) -  (setq line-move-ignore-invisible t) -  (set (make-local-variable 'paragraph-separate) -       (concat "\C-l\\|\\(^" (regexp-quote signel-prompt) "\\)")) -  (set (make-local-variable 'paragraph-start) -       (concat "\\(" (regexp-quote signel-prompt) "\\)")) -  (setq-local completion-ignore-case t)) -#+end_src - -Note how, in ~signel--contact-buffer~, we're storing the user identity -associated with the buffer (its /source/) in a buffer-local variable -named ~signel-user~ that is set /after/ enabling ~signel-chat-mode~: order -here matters because the major mode activation cleans up the values of -any local variables previously set (i always forget that!). - -* And a customization group - -We're going to need a couple of new faces for the different parts of -inserted messages, so we'll take the chance to be tidy and introduce a -customization group: - -#+begin_src emacs-lisp -(defgroup signel nil "Signel") - -(defface signel-contact '((t :weight bold)) -  "Face for contact names." -  :group 'signel) - -(defface signel-timestamp '((t :foreground "grey70")) -  "Face for timestamp names." -  :group 'signel) - -(defface signel-notice '((t :inherit signel-timestamp)) -  "Face for delivery notices." -  :group 'signel) - -(defface signel-prompt '((t :weight bold)) -  "Face for the input prompt marker." -  :group 'signel) - -(defface signel-user '((t :foreground "orangered")) -  "Face for sent messages." -  :group 'signel) - -(defface signel-notification '((t :foreground "burlywood")) -  "Face for notifications shown by tracking, when available." -  :group 'signel) - -#+end_src - - -* Displaying incoming messages - -We have now almost all the ingredients to write -~signel--update-chat-buffer~, the function that inserts the received -message data into the chat buffer.  Let's define a few little -functions to format those parts: - -#+begin_src emacs-lisp -(defun signel--contact (name) -  (propertize name 'face 'signel-contact)) - -(defun signel--timestamp (&rest p) -  (propertize (apply #'concat p) 'face 'signel-timestamp)) - -(defun signel--notice (notice) -  (propertize notice 'face 'signel-notice)) - -(defun signel--insert-prompt () -  (let ((inhibit-read-only t) -        (p (point))) -    (insert signel-prompt) -    (set-text-properties p (- (point) 1) -                         '(face signel-prompt -                           read-only t front-sticky t rear-sticky t)))) - -(defun signel--delete-prompt () -  (when (looking-at-p (regexp-quote signel-prompt)) -    (let ((inhibit-read-only t)) -      (delete-char (length signel-prompt))))) - -(defun signel--delete-last-prompt () -  (goto-char (point-max)) -  (when (re-search-backward (concat "^" (regexp-quote signel-prompt))) -    (signel--delete-prompt))) - -#+end_src - -With that, we're finally ready to insert messages in our signel chat -buffers: - -#+begin_src emacs-lisp -(defcustom signel-report-deliveries nil -  "Whether to show message delivery notices." -  :group 'signel -  :type 'boolean) - -(defcustom signel-report-read t -  "Whether to show message read notices." -  :group 'signel -  :type 'boolean) - -(defun signel--prompt-and-notify () -  (signel--insert-prompt) -  (when (fboundp 'tracking-add-buffer) -    (tracking-add-buffer (current-buffer) '(signel-notification)))) - -(defun signel--needs-insert-p (data stamp rec-stamp msg) -  (or data -      (and (or rec-stamp stamp) -           (not (string= source signel-cli-user)) -           (or signel-report-deliveries -               (and signel-report-read (signel--msg-is-read msg)))))) - -(defun signel--update-chat-buffer (source data stamp rec-stamp msg) -  (when (signel--needs-insert-p data stamp rec-stamp msg) -    (when-let ((b (signel--contact-buffer source))) -      (with-current-buffer b -        (signel--delete-last-prompt) -        (if data -            (let ((p (point))) -              (insert (signel--timestamp "[" stamp "] ") -                      (signel--contact (signel--contact-name source)) -                      signel-prompt -                      data -                      "\n") -              (fill-region p (point))) -          (let ((is-read (signel--msg-is-read msg))) -            (insert (signel--timestamp "*" (or rec-stamp stamp) "* ") -                    (signel--notice (if is-read "(read)" "(delivered)")) -                    "\n"))) -        (signel--prompt-and-notify) -        (end-of-line))))) -#+end_src - -There are some rough edges in the above implementation that must be -polished should signel ever be released in the wild.  For one, proper -handling of timestamps and their formats.  And of course notifications -should be much more customizable (here i'm using [[https://github.com/jorgenschaefer/circe/blob/master/tracking.el][Circe's tracking.el]] -if available). - -* Sending messages: the DBUS interface - -With that, we're going to receive and display messages and simple -receipts, and i'm sure that we will feel the urge to answer some of -them.  As mentioned above, signal-cli let's us send messages via its -[[https://github.com/AsamK/signal-cli/wiki/DBus-service][DBUS interface]]. -In a nutshell, if you want to send ~MESSAGETEXT~ to a -~RECIPIENT~ you'd invoke something like: - -#+begin_src shell :tangle no -dbus-send --session --type=method_call \ -          --dest="org.asamk.Signal" \ -          /org/asamk/Signal \ -          org.asamk.Signal.sendMessage \ -          string:MESSAGETEXT array:string: string:RECIPIENT -#+end_src - -That is, call the method ~sendMessage~ of the corresponding service -interface with three arguments (the second one empty).  Using emacs' -dbus libray one can write the above as: - -#+begin_src emacs-lisp -(defun signel--send-message (user msg) -  (dbus-call-method :session "org.asamk.Signal" "/org/asamk/Signal" -                    "org.asamk.Signal" "sendMessage" -                    :string msg -                    '(:array) -                    :string user)) -#+end_src - -The only complicated bit is being careful with the specification of -the types of the method arguments: if one gets them wrong, DBUS will -simply complain and say that the method is not defined, which was -confusing me at first (but of course makes sense because DBUS allows -overloading method names, so the full method spec must include its -signature). - -We want to read whatever our user writes after the last prompt and -send it via the little helper above.  Here's our interactive command -for that: - -#+begin_src emacs-lisp -(defun signel-send () -  "Read text inserted in the current buffer after the last prompt and send it. - -The recipient of the message is looked up in a local variable set -when the buffer was created." -  (interactive) -  (goto-char (point-max)) -  (beginning-of-line) -  (let* ((p (point)) -         (plen (length signel-prompt)) -         (msg (buffer-substring (+ p plen) (point-max)))) -    (signel--delete-prompt) -    (signel--send-message signel-user msg) -    (insert (signel--timestamp (format-time-string "(%H:%M) "))) -    (fill-region p (point-max)) -    (goto-char (point-max)) -    (set-text-properties p (point) '(face signel-user)) -    (insert "\n") -    (signel--insert-prompt))) -#+end_src - -and we can bind it to the return key in signal chat buffers: - -#+begin_src emacs-lisp -(define-key signel-chat-mode-map "\C-m" #'signel-send) -#+end_src - -And we are going sometimes to want to talk to contacts that don't have -yet said anything and have, therefore, no associated chat buffer: - -#+begin_src emacs-lisp -(defun signel-query (contact) -  "Start a conversation with a signal contact." -  (interactive (list (completing-read "Signal to: " -                                      (mapcar #'cdr-safe signel-contact-names)))) -  (let ((phone (alist-get contact -                          (cl-pairlis (mapcar #'cdr signel-contact-names) -                                      (mapcar #'car signel-contact-names)) -                          nil nil #'string-equal))) -    (when (not phone) -      (error "Unknown contact %s" contact)) -    (pop-to-buffer (signel--contact-buffer phone)))) -#+end_src - -There are of course lots of rough edges and missing functionality in -this incipient signel, but it's already usable and a nice -demonstration of how easy it is to get the ball rolling in this lisp -machine of ours! | 
