--- /dev/null
+;;; riece-twitter.el --- post your status to Twitter -*- lexical-binding: t -*-
+;; Copyright (C) 2007 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Keywords: IRC, riece
+
+;; This file is part of Riece.
+
+;; 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 2, 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 GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;; NOTE: This is an add-on module for Riece.
+
+;;; Code:
+
+(require 'riece-message)
+
+(defgroup riece-twitter nil
+ "Post your status to Twitter"
+ :group 'riece)
+
+(defcustom riece-twitter-credential nil
+ "Your credential used to login to Twitter."
+ :group 'riece-twitter
+ :type 'string)
+
+(eval-and-compile
+ (if (fboundp 'clear-string)
+ (defalias 'riece-twitter-clear-string 'clear-string)
+ (defun riece-twitter-clear-string (string)
+ (fillarray string ?\0))))
+
+(defun riece-twitter-set-credential (credential)
+ "Set your credential used to login to Twitter."
+ (interactive
+ (let ((username (read-string "Username: "))
+ password)
+ (unwind-protect
+ (list (concat username ":"
+ (setq password (read-passwd "Password: "))))
+ (if password
+ (riece-twitter-clear-string password))
+ (setq password nil))))
+ (setq riece-twitter-credential credential))
+
+(defun riece-twitter-update (status)
+ "Update your status."
+ (interactive
+ (progn
+ (unless riece-twitter-credential
+ (error "%s"
+ (substitute-command-keys
+ "\\[riece-twitter-set-credential] to set your credential")))
+ (list (read-string "Status: "))))
+ (message "Sending to Twitter...")
+ (let* ((args
+ (list "-u" riece-twitter-credential
+ "-d" (concat "status="
+ (riece-twitter-escape-string
+ (encode-coding-string status 'utf-8)))
+ "-s"
+ "http://twitter.com/statuses/update.json"))
+ (process
+ (apply #'start-process
+ "curl" nil "curl"
+ (if (interactive-p)
+ args
+ (append args
+ (list "-H" "X-Twitter-Client: Riece"
+ "-H" (concat "X-Twitter-Client-Version: "
+ riece-version-number)
+ "-H" "X-Twitter-Client-URL: http://riece.nongnu.org/twitter.xml"
+ "-d" "source=riece"))))))
+ (set-process-sentinel process #'riece-twitter-sentinel)))
+
+(defun riece-twitter-sentinel (_process status)
+ (if (equal status "finished\n")
+ (message "Sending to Twitter...done")
+ (message "Sending to Twitter...failed: %s"
+ (substring status 0 (1- (length status))))))
+
+(defun riece-twitter-message-filter (message)
+ (if (and (riece-message-own-p message)
+ (eq 'action (riece-message-type message)))
+ (if riece-twitter-credential
+ (riece-twitter-update (riece-message-text message))
+ (message "%s"
+ (substitute-command-keys
+ "\\[riece-twitter-set-credential] to set your credential"))))
+ message)
+
+(defun riece-twitter-escape-string (string)
+ (let ((index 0))
+ (while (string-match "[^0-9A-Za-z\-\._~:/?@!\$'()*,]" string index)
+ (setq string (replace-match
+ (format "%%%02X" (aref string (match-beginning 0)))
+ t t string)
+ index (+ 3 (match-beginning 0))))
+ string))
+
+(defun riece-twitter-insinuate ()
+ (add-hook 'riece-message-filter-functions 'riece-twitter-message-filter))
+
+(defun riece-twitter-uninstall ()
+ (remove-hook 'riece-message-filter-functions 'riece-twitter-message-filter))
+
+(provide 'riece-twitter)
+
+;;; riece-twitter.el ends here
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