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bc511a64f6
Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
144 lines
5 KiB
EmacsLisp
144 lines
5 KiB
EmacsLisp
;;; gnus-gravatar.el --- Gnus Gravatar support
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;; Copyright (C) 2010-2017 Free Software Foundation, Inc.
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;; Author: Julien Danjou <julien@danjou.info>
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;; Keywords: news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'gravatar)
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(require 'gnus-art)
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(require 'mail-extr) ;; Because of binding `mail-extr-disable-voodoo'.
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(defgroup gnus-gravatar nil
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"Gnus Gravatar."
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:group 'gnus-visual)
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(defcustom gnus-gravatar-size nil
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"How big should gravatars be displayed.
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If nil, default to `gravatar-size'."
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:type '(choice (const nil) integer)
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:version "24.1"
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:group 'gnus-gravatar)
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(defcustom gnus-gravatar-properties '(:ascent center :relief 1)
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"List of image properties applied to Gravatar images."
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:type 'plist
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:version "24.1"
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:group 'gnus-gravatar)
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(defcustom gnus-gravatar-too-ugly gnus-article-x-face-too-ugly
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"Regexp matching posters whose avatar shouldn't be shown automatically."
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:type '(choice regexp (const nil))
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:version "24.1"
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:group 'gnus-gravatar)
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(defun gnus-gravatar-transform-address (header category &optional force)
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(gnus-with-article-headers
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(let* ((mail-extr-disable-voodoo t)
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(mail-extr-ignore-realname-equals-mailbox-name nil)
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(addresses (mail-extract-address-components
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(or (mail-fetch-field header) "") t))
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(gravatar-size (or gnus-gravatar-size gravatar-size))
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name)
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(dolist (address addresses)
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(when (and (setq name (car address))
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(string-match "\\` +" name))
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(setcar address (setq name (substring name (match-end 0)))))
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(when (or force
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(not (and gnus-gravatar-too-ugly
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(or (string-match gnus-gravatar-too-ugly
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(or (cadr address) ""))
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(and name
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(string-match gnus-gravatar-too-ugly
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name))))))
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(ignore-errors
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(gravatar-retrieve
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(cadr address)
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'gnus-gravatar-insert
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(list header address category))))))))
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(defun gnus-gravatar-insert (gravatar header address category)
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"Insert GRAVATAR for ADDRESS in HEADER in current article buffer.
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Set image category to CATEGORY."
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(unless (eq gravatar 'error)
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(gnus-with-article-buffer
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(let ((mark (point-marker))
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(inhibit-point-motion-hooks t)
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(case-fold-search t))
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(save-restriction
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(article-narrow-to-head)
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;; The buffer can be gone at this time
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(when (buffer-live-p (current-buffer))
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(gnus-article-goto-header header)
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(mail-header-narrow-to-field)
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(let ((real-name (car address))
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(mail-address (cadr address)))
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(when (if real-name
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(re-search-forward
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(concat (replace-regexp-in-string
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"[\t ]+" "[\t\n ]+"
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(regexp-quote real-name))
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"\\|"
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(regexp-quote mail-address))
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nil t)
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(search-forward mail-address nil t))
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(goto-char (1- (match-beginning 0)))
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;; If we're on the " quoting the name, go backward
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(when (looking-at "[\"<]")
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(goto-char (1- (point))))
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;; Do not do anything if there's already a gravatar. This can
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;; happens if the buffer has been regenerated in the mean time, for
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;; example we were fetching someaddress, and then we change to
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;; another mail with the same someaddress.
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(unless (memq 'gnus-gravatar (text-properties-at (point)))
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(let ((point (point)))
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(setq gravatar (append gravatar gnus-gravatar-properties))
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(gnus-put-image gravatar (buffer-substring (point) (1+ point)) category)
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(put-text-property point (point) 'gnus-gravatar address)
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(gnus-add-wash-type category)
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(gnus-add-image category gravatar)))))))
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(goto-char (marker-position mark))))))
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;;;###autoload
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(defun gnus-treat-from-gravatar (&optional force)
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"Display gravatar in the From header.
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If gravatar is already displayed, remove it."
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(interactive (list t)) ;; When type `W D g'
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(gnus-with-article-buffer
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(if (memq 'from-gravatar gnus-article-wash-types)
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(gnus-delete-images 'from-gravatar)
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(gnus-gravatar-transform-address "from" 'from-gravatar force))))
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;;;###autoload
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(defun gnus-treat-mail-gravatar (&optional force)
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"Display gravatars in the Cc and To headers.
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If gravatars are already displayed, remove them."
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(interactive (list t)) ;; When type `W D h'
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(gnus-with-article-buffer
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(if (memq 'mail-gravatar gnus-article-wash-types)
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(gnus-delete-images 'mail-gravatar)
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(gnus-gravatar-transform-address "cc" 'mail-gravatar force)
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(gnus-gravatar-transform-address "to" 'mail-gravatar force))))
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(provide 'gnus-gravatar)
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;;; gnus-gravatar.el ends here
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