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[Gnus] Moving most of the configuration to init.el

This commit is contained in:
Daniel - 2019-02-02 15:05:29 +01:00
parent 605ebc3981
commit c6f28090df
Signed by: dbo
GPG Key ID: 4F63DB96D45AA9C6
3 changed files with 424 additions and 421 deletions
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418
gnus.el
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@ -13,30 +13,6 @@
;;; General
;; Customization
;; XXX: This needs some functionality for local accounts
(defcustom db/mail-accounts nil
"Configuration for email accounts.
This is a list of lists, where each such list specifies necessary
parameters for one particular email address."
:group 'personal-settings
:type '(repeat
(list
(string :tag "EMail Address")
(string :tag "Group Name")
(string :tag "IMAP Server Address")
(string :tag "SMTP Server Address")
(choice :tag "SMTP Stream Type"
(const nil) (const starttls) (const plain) (const ssl))
(integer :tag "SMTP Service Port")
(string :tag "SMTP Login Name"))))
(defcustom db/personal-gnus-filter-rules nil
"Default filter rules as used by Gnus for `user-mail-address’."
:group 'personal-settings
:type 'sexp)
;; Requires
(require 'dash)
@ -55,10 +31,6 @@ parameters for one particular email address."
;; Accounts
(setq-default message-dont-reply-to-names
(regexp-opt (cons user-mail-address db/additional-mail-addresses)
'words))
(setq gnus-select-method '(nnnil "")
;; XXX: this should be set by the customize interface of
;; `db/mail-accounts’
@ -103,348 +75,6 @@ parameters for one particular email address."
(nnimap-inbox "INBOX")))))
db/mail-accounts))))
;; General Configuration
(setq gnus-ignored-from-addresses message-dont-reply-to-names
message-directory (expand-file-name "mail/" gnus-directory)
nnmail-message-id-cache-file (expand-file-name ".nnmail-cache" gnus-directory)
nnml-directory message-directory
mail-sources '((file))
mail-source-delete-incoming t
nntp-nov-is-evil t
nntp-connection-timeout nil
gnus-asynchronous t
gnus-save-killed-list nil
gnus-save-newsrc-file nil
gnus-read-newsrc-file nil
gnus-check-new-newsgroups nil
gnus-use-cache 'passive
gnus-read-active-file 'some
gnus-build-sparse-threads 'some
gnus-subscribe-newsgroup-method 'gnus-subscribe-killed
gnus-group-list-inactive-groups t
gnus-suppress-duplicates nil
gnus-large-newsgroup 200
nnmail-expiry-wait 7
nnmail-cache-accepted-message-ids t
gnus-summary-next-group-on-exit nil
gnus-use-full-window nil
gnus-always-force-window-configuration t
gnus-fetch-old-headers nil)
(setq gnus-visible-headers (regexp-opt '("From:"
"Newsgroups:"
"Subject:"
"Date:"
"Followup-To:"
"Reply-To:"
"Organization:"
"Summary:"
"Keywords:"
"Mail-Copies-To:"
"To:"
"Cc:"
"BCC:"
"X-Newsreader:"
"X-Mailer:"
"X-Sent:"
"Posted-To:"
"Mail-Copies-To:"
"Apparently-To:"
"Gnus-Warning:"
"Resent-From:"
"gpg-key-ID:"
"fingerprint:"
"X-Jabber-ID:"
"User-Agent:")))
;; Ensure that whenever we compose new mail, this mail will use the correct
;; posting style. This is ensured by setting ARG of `gnus-group-mail’ to 1 to
;; let it query the user for a group.
(defadvice gnus-group-mail (before inhibit-no-argument activate)
(unless (ad-get-arg 0)
(ad-set-arg 0 1)))
(remove-hook 'gnus-mark-article-hook
'gnus-summary-mark-read-and-unread-as-read)
(add-hook 'gnus-mark-article-hook 'gnus-summary-mark-unread-as-read)
(add-hook 'kill-emacs-hook
#'(lambda ()
(interactive)
(when (get-buffer "*Group*")
(gnus-group-exit))))
(bind-key "q" #'gnus-summary-expand-window gnus-article-mode-map)
;;; Appearence
(setq gnus-group-line-format "%S%p%P%5y(%2i):%B%(%s:%G%)\n"
gnus-auto-select-first nil
gnus-auto-select-next nil)
(setq gnus-summary-line-format "%U%O%R%6k %(%&user-date; %-13,13f %B%s%)\n"
gnus-thread-sort-functions '(gnus-thread-sort-by-most-recent-date)
gnus-subthread-sort-functions '(gnus-thread-sort-by-date)
gnus-thread-hide-subtree t
gnus-user-date-format-alist '((t . "%Y-%m-%d %H:%M"))
gnus-sum-thread-tree-indent " "
gnus-sum-thread-tree-root "● "
gnus-sum-thread-tree-false-root "◎ "
gnus-sum-thread-tree-single-indent "◯ "
gnus-sum-thread-tree-single-leaf "╰► "
gnus-sum-thread-tree-leaf-with-other "├► "
gnus-sum-thread-tree-vertical "│"
gnus-summary-thread-gathering-function 'gnus-gather-threads-by-references
;; Yay (seen here: `https://github.com/cofi/dotfiles/blob/master/gnus.el')
gnus-ancient-mark ?✓
;; gnus-cached-mark ?☍
gnus-canceled-mark ?↗
gnus-del-mark ?✗
;; gnus-dormant-mark ?⚐
gnus-expirable-mark ?♻
gnus-forwarded-mark ?↪
;; gnus-killed-mark ?☠
;; gnus-process-mark ?⚙
gnus-read-mark ?✓
gnus-recent-mark ?✩
gnus-replied-mark ?↺
gnus-unread-mark ?✉
;; gnus-unseen-mark ?★
;; gnus-ticked-mark ?⚑
)
;; we need to do some magic as otherwise the agent does not delete articles from
;; its .overview when we move them around
(defadvice gnus-summary-move-article (around
no-cancel-mark
(&optional n to-newsgroup
select-method action)
activate)
(let ((articles (gnus-summary-work-articles n))
(return ad-do-it))
(when (or (null action)
(eq action 'move))
(dolist (article articles)
(gnus-summary-mark-article article gnus-expirable-mark)))
return))
(add-hook 'gnus-group-mode-hook 'gnus-topic-mode)
(setq gnus-treat-hide-boring-headers 'head
gnus-treat-strip-multiple-blank-lines nil
gnus-treat-display-smileys t
gnus-treat-emphasize 'head
gnus-treat-unsplit-urls t)
;;; Adaptive Scoring
(setq gnus-use-scoring nil
gnus-use-adaptive-scoring nil
gnus-adaptive-word-length-limit 5
gnus-adaptive-word-no-group-words t
gnus-default-adaptive-score-alist
'((gnus-unread-mark)
(gnus-ticked-mark (from 4))
(gnus-dormant-mark (from 5))
(gnus-del-mark (from -4) (subject -1))
(gnus-read-mark (from 4) (subject 2))
(gnus-expirable-mark (from -1) (subject -1))
(gnus-killed-mark (from -1) (subject -3))
(gnus-kill-file-mark)
(gnus-ancient-mark)
(gnus-low-score-mark)
(gnus-catchup-mark (from -1) (subject -1))))
(setq-default gnus-summary-mark-below nil)
(setq gnus-parameters
'(("^nnimap.*"
(gnus-use-scoring nil))
("^nnimap.*:lists.*"
(gnus-use-scoring t)
(gnus-use-adaptive-scoring '(word line)))
("^nntp.*"
(gnus-use-scoring nil)
(gnus-summary-mark-below -1000)
(gnus-use-adaptive-scoring '(word line)))))
(add-hook 'gnus-summary-exit-hook
'gnus-summary-bubble-group)
;;; Gnus Registry
(require 'gnus-registry)
(setq gnus-registry-split-strategy 'majority
gnus-registry-ignored-groups '(("^nntp" t)
("^nnfolder" t)
("^nnir" t)
("^nnmaildir" t)
("INBOX$" t))
gnus-registry-max-entries 40000
gnus-registry-track-extra '(sender subject recipient)
gnus-registry-cache-file (expand-file-name "gnus.registry.eioioi"
emacs-d)
gnus-refer-article-method 'current)
(gnus-registry-initialize)
;;; MIME
(setq gnus-ignored-mime-types '("text/x-vcard")
message-forward-as-mime t
gnus-inhibit-mime-unbuttonizing nil
gnus-buttonized-mime-types '("multipart/signed" "multipart/encrypted")
gnus-inhibit-images t
gnus-blocked-images ".")
(setq message-citation-line-function
(lambda ()
(when message-reply-headers
(insert "ghItlhpu' " (mail-header-from message-reply-headers) ":")
(newline))))
;;; Signing and Encryption
(setq mm-encrypt-option nil
mm-sign-option nil
mm-decrypt-option 'known
mm-verify-option 'known
mml-smime-use 'epg
;;mml2015-encrypt-to-self t
mml2015-display-key-image nil
gnus-message-replysign t
gnus-message-replyencrypt t
gnus-message-replysignencrypted t
mml-secure-cache-passphrase nil)
;; Automatic encryption if all necessary keys are present
(require 'mail-extr)
(defun db/public-key (address &optional method)
"Return valid public keys for ADDRESS and given METHOD.
METHOD can be \"smime\" or \"pgpmime\"; defaults to \"pgpmime\".
ADDRESS is a string containing exactly one email address."
(check-type address string)
(unless method (setq method "pgpmime"))
(epg-list-keys (epg-make-context
(cond
((string= method "smime")
'CMS)
((string= method "pgpmime")
'OpenPGP)
(t (error "Unknown method %s" method))))
address))
(defun db/encryption-possible-p (recipients method)
"Check whether sending encrypted emails to all RECIPIENTS is possible.
METHOD specifies the encrypt method used. Can be either
\"smime\" or \"pgpmime\"."
(cl-every (lambda (recipient)
(not (null (db/public-key recipient method))))
recipients))
(defun db/message-recipients ()
"Return all recipients of the email in the current buffer."
(cl-mapcan (lambda (field)
(let ((field-value (message-field-value field)))
(when field-value
(mapcar #'cadr
(mail-extract-address-components field-value t)))))
(list "to" "cc" "bcc")))
(defun db/signencrypt-message-when-possible ()
"Add mml markers for signing and encryption of an email if possible."
(interactive)
(when (eq major-mode 'message-mode)
(let ((from (message-field-value "from")))
(when from
(let ((methods (if (string-match "@tu-dresden\.de>" from)
(list "smime" "pgpmime")
(list "pgpmime")))
(recipients (db/message-recipients)))
;; if there is no recipient, encrypt with default method
(if (null recipients)
(mml-secure-message (first methods) 'signencrypt)
;; go through available keys
(let ((available-method
(cl-find-if (lambda (method)
(db/encryption-possible-p recipients method))
methods)))
(if available-method
(mml-secure-message available-method 'signencrypt)
;; if nothing works, sign with default method
(mml-secure-message (first methods) 'sign)))))))))
(add-hook 'gnus-message-setup-hook
#'db/signencrypt-message-when-possible)
;;; Custom commands
;; Visit group under point and immediately close it; this updates gnus’ registry
;; as a side-effect
(bind-key "v u"
'(lambda ()
(interactive)
(save-mark-and-excursion
(when (gnus-topic-select-group)
(gnus-summary-exit))))
gnus-group-mode-map)
;; Toggle visibility of News group
(bind-key "v c"
(lambda ()
(interactive)
(save-mark-and-excursion
(gnus-topic-jump-to-topic "News")
(gnus-topic-read-group)))
gnus-group-mode-map)
(defun db/gnus-summary-open-Link ()
"Open link named \"Link\" in current article."
(interactive)
(save-window-excursion
(save-mark-and-excursion
(save-restriction
(widen)
(let ((url nil))
(unless (eq major-mode 'gnus-article-mode)
(gnus-summary-select-article-buffer))
(goto-char (point-min))
(while (and (not url)
(search-forward "Link"))
(backward-char)
(setq url (get-text-property (point) 'shr-url)))
(when url
(browse-url url)))))))
(bind-key "C-<return>" #'db/gnus-summary-open-Link gnus-summary-mode-map)
(bind-key "C-<return>" #'db/gnus-summary-open-Link gnus-article-mode-map)
(defun db/gnus-html-mime-part-to-org ()
"Convert current gnus article to org mode."
(interactive)
(let ((return-code (gnus-mime-pipe-part "pandoc -f html -t org")))
(unless (zerop return-code)
(error "Error in extracting text"))
(with-current-buffer "*Shell Command Output*"
(kill-ring-save (point-min) (point-max)))))
;;; Daemons
@ -454,8 +84,6 @@ METHOD specifies the encrypt method used. Can be either
(let ((win (current-window-configuration))
(gnus-read-active-file 'some)
(gnus-check-new-newsgroups nil)
(gnus-verbose 2)
(gnus-verbose-backends 5)
(level 2))
(while-no-input
(unwind-protect
@ -467,28 +95,6 @@ METHOD specifies the encrypt method used. Can be either
(gnus-demon-add-handler 'db/gnus-demon-scan-news-on-level-2 5 5)
;;; Agents
(setq gnus-agent-mark-unread-after-downloaded nil
gnus-agent-synchronize-flags t
gnus-agent-go-online t)
;;; Do some pretty printing before saving the newsrc file
(defun db/gnus-save-newsrc-with-whitespace-1 ()
"Save ~/.newsrc.eld with extra whitespace."
;; http://ding.gnus.narkive.com/pq3Z8ZjQ/pretty-printing-newsrc-eld#post3
(gnus-message 5 "Adding whitespace to .newsrc.eld")
(save-excursion
(goto-char (point-min))
(while (re-search-forward "(\\\"\\| ((\\| (nn" nil t)
(replace-match "\n \\&" t))
(delete-trailing-whitespace)))
(add-hook 'gnus-save-quick-newsrc-hook #'db/gnus-save-newsrc-with-whitespace-1)
;;; Mail Formatting
@ -523,17 +129,6 @@ METHOD specifies the encrypt method used. Can be either
(advice-add 'mml-attach-file :around #'db/mml-attach-file--go-to-eob)
;;; Archiving
;; We store messages in the current group, so there is no need to use Gnus’
;; archiving method
(setq gnus-message-archive-method nil
gnus-update-message-archive-method t
gnus-message-archive-group nil
gnus-gcc-mark-as-read t)
;;; SMTP configuration
@ -586,19 +181,6 @@ entry of the current mail."
(setq smtpmail-debug-info t)
;;; Notmuch
(require 'nnir)
(setq nnir-method-default-engines '((nnimap . imap)
(nnmaildir . notmuch)
(nntp . gmane)))
(use-package notmuch
:init (progn
(setq notmuch-fcc-dirs nil)))
;;;
t

315
init.el
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@ -1197,6 +1197,37 @@
;; * Mail
;; XXX: This needs some functionality for local accounts
(defcustom db/mail-accounts nil
"Configuration for email accounts.
This is a list of lists, where each such list specifies necessary
parameters for one particular email address."
:group 'personal-settings
:type '(repeat
(list
(string :tag "EMail Address")
(string :tag "Group Name")
(string :tag "IMAP Server Address")
(string :tag "SMTP Server Address")
(choice :tag "SMTP Stream Type"
(const nil) (const starttls) (const plain) (const ssl))
(integer :tag "SMTP Service Port")
(string :tag "SMTP Login Name"))))
(defcustom db/personal-gnus-filter-rules nil
"Default filter rules as used by Gnus for `user-mail-address’."
:group 'personal-settings
:type 'sexp)
(use-package db-mail
:commands (db/public-key
db/encryption-possible-p
db/message-recipients
db/signencrypt-message-when-possible
db/gnus-save-newsrc-with-whitespace-1
db/gnus-summary-open-Link
db/gnus-html-mime-part-to-org))
(use-package bbdb
:commands (bbdb-search-name bbab-initialize bbdb-mua-auto-update-init bbdb-save)
:init (setq bbdb-completion-display-record nil
@ -1212,7 +1243,6 @@
(run-with-timer 0 3600 #'bbdb-save)))
(use-package gnus
:defines (gnus-init-file)
:commands (gnus)
:init (setq gnus-init-file (expand-file-name "gnus.el" emacs-d)
gnus-home-directory (expand-file-name "~/Mail/news/")
@ -1220,12 +1250,286 @@
gnus-kill-files-directory gnus-directory
gnus-startup-file (expand-file-name "~/Mail/gnus-newsrc")
gnus-cache-directory (expand-file-name "cache/" gnus-directory)
gnus-verbose 10)
gnus-verbose 10
;; General Configuration
message-dont-reply-to-names (regexp-opt (cons user-mail-address
db/additional-mail-addresses)
'words)
gnus-ignored-from-addresses message-dont-reply-to-names
message-directory (expand-file-name "mail/" gnus-directory)
nnmail-message-id-cache-file (expand-file-name ".nnmail-cache" gnus-directory)
nnml-directory message-directory
mail-sources '((file))
mail-source-delete-incoming t
nntp-nov-is-evil t
nntp-connection-timeout nil
gnus-asynchronous t
gnus-save-killed-list nil
gnus-save-newsrc-file nil
gnus-read-newsrc-file nil
gnus-check-new-newsgroups nil
gnus-use-cache 'passive
gnus-read-active-file 'some
gnus-build-sparse-threads 'some
gnus-subscribe-newsgroup-method 'gnus-subscribe-killed
gnus-group-list-inactive-groups t
gnus-suppress-duplicates nil
gnus-large-newsgroup 200
nnmail-expiry-wait 7
nnmail-cache-accepted-message-ids t
gnus-summary-next-group-on-exit nil
gnus-use-full-window nil
gnus-always-force-window-configuration t
gnus-fetch-old-headers nil
gnus-visible-headers (regexp-opt '("From:"
"Newsgroups:"
"Subject:"
"Date:"
"Followup-To:"
"Reply-To:"
"Organization:"
"Summary:"
"Keywords:"
"Mail-Copies-To:"
"To:"
"Cc:"
"BCC:"
"X-Newsreader:"
"X-Mailer:"
"X-Sent:"
"Posted-To:"
"Mail-Copies-To:"
"Apparently-To:"
"Gnus-Warning:"
"Resent-From:"
"gpg-key-ID:"
"fingerprint:"
"X-Jabber-ID:"
"User-Agent:"))
;; Appearence
gnus-group-line-format "%S%p%P%5y(%2i):%B%(%s:%G%)\n"
gnus-auto-select-first nil
gnus-auto-select-next nil
gnus-summary-line-format "%U%O%R%6k %(%&user-date; %-13,13f %B%s%)\n"
gnus-thread-sort-functions '(gnus-thread-sort-by-most-recent-date)
gnus-subthread-sort-functions '(gnus-thread-sort-by-date)
gnus-thread-hide-subtree t
gnus-user-date-format-alist '((t . "%Y-%m-%d %H:%M"))
gnus-sum-thread-tree-indent " "
gnus-sum-thread-tree-root "● "
gnus-sum-thread-tree-false-root "◎ "
gnus-sum-thread-tree-single-indent "◯ "
gnus-sum-thread-tree-single-leaf "╰► "
gnus-sum-thread-tree-leaf-with-other "├► "
gnus-sum-thread-tree-vertical "│"
gnus-summary-thread-gathering-function 'gnus-gather-threads-by-references
;; New mark symbols (seen here:
;; `https://github.com/cofi/dotfiles/blob/master/gnus.el')
gnus-ancient-mark ?✓
;; gnus-cached-mark ?☍
gnus-canceled-mark ?↗
gnus-del-mark ?✗
;; gnus-dormant-mark ?⚐
gnus-expirable-mark ?♻
gnus-forwarded-mark ?↪
;; gnus-killed-mark ?☠
;; gnus-process-mark ?⚙
gnus-read-mark ?✓
gnus-recent-mark ?✩
gnus-replied-mark ?↺
gnus-unread-mark ?✉
;; gnus-unseen-mark ?★
;; gnus-ticked-mark ?⚑
gnus-treat-hide-boring-headers 'head
gnus-treat-strip-multiple-blank-lines nil
gnus-treat-display-smileys t
gnus-treat-emphasize 'head
gnus-treat-unsplit-urls t
;; Adaptive Scoring
gnus-use-scoring nil
gnus-use-adaptive-scoring nil
gnus-adaptive-word-length-limit 5
gnus-adaptive-word-no-group-words t
gnus-default-adaptive-score-alist
'((gnus-unread-mark)
(gnus-ticked-mark (from 4))
(gnus-dormant-mark (from 5))
(gnus-del-mark (from -4) (subject -1))
(gnus-read-mark (from 4) (subject 2))
(gnus-expirable-mark (from -1) (subject -1))
(gnus-killed-mark (from -1) (subject -3))
(gnus-kill-file-mark)
(gnus-ancient-mark)
(gnus-low-score-mark)
(gnus-catchup-mark (from -1) (subject -1)))
gnus-summary-mark-below nil
gnus-parameters '(("^nnimap.*"
(gnus-use-scoring nil))
("^nnimap.*:lists.*"
(gnus-use-scoring t)
(gnus-use-adaptive-scoring '(word line)))
("^nntp.*"
(gnus-use-scoring nil)
(gnus-summary-mark-below -1000)
(gnus-use-adaptive-scoring '(word line))))
;; Gnus Registry
gnus-registry-split-strategy 'majority
gnus-registry-ignored-groups '(("^nntp" t)
("^nnfolder" t)
("^nnir" t)
("^nnmaildir" t)
("INBOX$" t))
gnus-registry-max-entries 40000
gnus-registry-track-extra '(sender subject recipient)
gnus-registry-cache-file (expand-file-name "gnus.registry.eioioi"
emacs-d)
gnus-refer-article-method 'current
;; MIME
gnus-ignored-mime-types '("text/x-vcard")
message-forward-as-mime t
gnus-inhibit-mime-unbuttonizing nil
gnus-buttonized-mime-types '("multipart/signed" "multipart/encrypted")
gnus-inhibit-images t
gnus-blocked-images "."
message-citation-line-function
(lambda ()
(when message-reply-headers
(insert "ghItlhpu' "
(mail-header-from message-reply-headers)
":")
(newline)))
;; Signing and Encryption
mm-encrypt-option nil
mm-sign-option nil
mm-decrypt-option 'known
mm-verify-option 'known
mml-smime-use 'epg
;;mml2015-encrypt-to-self t
mml2015-display-key-image nil
gnus-message-replysign t
gnus-message-replyencrypt t
gnus-message-replysignencrypted t
mml-secure-cache-passphrase nil
;; Archiving: we store messages in the current group, so there is
;; no need to use Gnus’ archiving method
gnus-message-archive-method nil
gnus-update-message-archive-method t
gnus-message-archive-group nil
gnus-gcc-mark-as-read t
;; Searching
nnir-method-default-engines '((nnimap . imap)
(nnmaildir . notmuch)
(nntp . gmane))
;; Agents
gnus-agent-mark-unread-after-downloaded nil
gnus-agent-synchronize-flags t
gnus-agent-go-online t)
:config (progn
(eval-when-compile
(require 'gnus-start))
(bbdb-initialize 'gnus 'message)
(bbdb-mua-auto-update-init 'message)))
(bbdb-mua-auto-update-init 'message)
;; Ensure that whenever we compose new mail, this mail will use the
;; correct posting style. This is ensured by setting ARG of
;; `gnus-group-mail’ to 1 to let it query the user for a group.
(defadvice gnus-group-mail (before inhibit-no-argument activate)
(unless (ad-get-arg 0)
(ad-set-arg 0 1)))
(remove-hook 'gnus-mark-article-hook
'gnus-summary-mark-read-and-unread-as-read)
(add-hook 'gnus-mark-article-hook 'gnus-summary-mark-unread-as-read)
;; Quit Gnus gracefully when exiting Emacs
(add-hook 'kill-emacs-hook #'(lambda ()
(interactive)
(when (get-buffer "*Group*")
(gnus-group-exit))))
;; Don’t quit summary buffer when pressing `q’
(bind-key "q" #'gnus-summary-expand-window gnus-article-mode-map)
;; Show topics in group buffer
(add-hook 'gnus-group-mode-hook 'gnus-topic-mode)
;; We need to do some magic as otherwise the agent does not delete
;; articles from its .overview when we move them around. Thus we
;; mark articles as expireable when they have been moved to another
;; group.
(defadvice gnus-summary-move-article (around
no-cancel-mark
(&optional n to-newsgroup
select-method action)
activate)
(let ((articles (gnus-summary-work-articles n))
(return ad-do-it))
(when (or (null action)
(eq action 'move))
(dolist (article articles)
(gnus-summary-mark-article article gnus-expirable-mark)))
return))
;; Increase score of group after reading it
(add-hook 'gnus-summary-exit-hook
'gnus-summary-bubble-group)
;; Use Gnus’ registry
(gnus-registry-initialize)
;; Automatic encryption if all necessary keys are present
(add-hook 'gnus-message-setup-hook
#'db/signencrypt-message-when-possible)
;; Do some pretty printing before saving the newsrc file
(add-hook 'gnus-save-quick-newsrc-hook
#'db/gnus-save-newsrc-with-whitespace-1)
;; Visit group under point and immediately close it; this updates
;; gnus’ registry as a side-effect
(bind-key "v u"
'(lambda ()
(interactive)
(save-mark-and-excursion
(when (gnus-topic-select-group)
(gnus-summary-exit))))
gnus-group-mode-map)
;; Toggle visibility of News group
(bind-key "v c"
(lambda ()
(interactive)
(save-mark-and-excursion
(gnus-topic-jump-to-topic "News")
(gnus-topic-read-group)))
gnus-group-mode-map)
(bind-key "C-<return>" #'db/gnus-summary-open-Link gnus-summary-mode-map)
(bind-key "C-<return>" #'db/gnus-summary-open-Link gnus-article-mode-map)
))
(use-package mm-decode
:init (setq mm-text-html-renderer 'shr
@ -1276,6 +1580,11 @@
(replace-match "\n"))
t)))
(use-package notmuch
:defer t
:init (progn
(setq notmuch-fcc-dirs nil)))
;; * Crypto

112
site-lisp/db-mail.el Normal file
View File

@ -0,0 +1,112 @@
;;; db-mail.el --- Utility Functions for sending mail -*- lexical-binding: t -*-
;;; Commentary:
;;; Code:
(require 'cl-lib)
(require 'cl-macs)
(require 'mail-extr)
(require 'epg)
(require 'mml-sec)
(defun db/public-key (address &optional method)
"Return valid public keys for ADDRESS and given METHOD.
METHOD can be \"smime\" or \"pgpmime\"; defaults to \"pgpmime\".
ADDRESS is a string containing exactly one email address."
(check-type address string)
(unless method (setq method "pgpmime"))
(epg-list-keys (epg-make-context
(cond
((string= method "smime")
'CMS)
((string= method "pgpmime")
'OpenPGP)
(t (error "Unknown method %s" method))))
address))
(defun db/encryption-possible-p (recipients method)
"Check whether sending encrypted emails to all RECIPIENTS is possible.
METHOD specifies the encrypt method used. Can be either
\"smime\" or \"pgpmime\"."
(cl-every (lambda (recipient)
(not (null (db/public-key recipient method))))
recipients))
(defun db/message-recipients ()
"Return all recipients of the email in the current buffer."
(cl-mapcan (lambda (field)
(let ((field-value (message-field-value field)))
(when field-value
(mapcar #'cadr
(mail-extract-address-components field-value t)))))
(list "to" "cc" "bcc")))
(defun db/signencrypt-message-when-possible ()
"Add mml markers for signing and encryption of an email if possible."
(interactive)
(when (eq major-mode 'message-mode)
(let ((from (message-field-value "from")))
(when from
(let ((methods (if (string-match "@tu-dresden\.de>" from)
(list "smime" "pgpmime")
(list "pgpmime")))
(recipients (db/message-recipients)))
;; if there is no recipient, encrypt with default method
(if (null recipients)
(mml-secure-message (cl-first methods) 'signencrypt)
;; go through available keys
(let ((available-method
(cl-find-if (lambda (method)
(db/encryption-possible-p recipients method))
methods)))
(if available-method
(mml-secure-message available-method 'signencrypt)
;; if nothing works, sign with default method
(mml-secure-message (cl-first methods) 'sign)))))))))
(defun db/gnus-save-newsrc-with-whitespace-1 ()
"Save ~/.newsrc.eld with extra whitespace."
;; http://ding.gnus.narkive.com/pq3Z8ZjQ/pretty-printing-newsrc-eld#post3
(gnus-message 5 "Adding whitespace to .newsrc.eld")
(save-excursion
(goto-char (point-min))
(while (re-search-forward "(\\\"\\| ((\\| (nn" nil t)
(replace-match "\n \\&" t))
(delete-trailing-whitespace)))
(defun db/gnus-summary-open-Link ()
"Open link named \"Link\" in current article."
(interactive)
(save-window-excursion
(save-mark-and-excursion
(save-restriction
(widen)
(let ((url nil))
(unless (eq major-mode 'gnus-article-mode)
(gnus-summary-select-article-buffer))
(goto-char (point-min))
(while (and (not url)
(search-forward "Link"))
(backward-char)
(setq url (get-text-property (point) 'shr-url)))
(when url
(browse-url url)))))))
(defun db/gnus-html-mime-part-to-org ()
"Convert current gnus article to org mode."
(interactive)
(let ((return-code (gnus-mime-pipe-part "pandoc -f html -t org")))
(unless (zerop return-code)
(error "Error in extracting text"))
(with-current-buffer "*Shell Command Output*"
(kill-ring-save (point-min) (point-max)))))
(provide 'db-mail)
;;; db-mail ends here