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;;; sie.el --- Scuttle Interface for Emacs
;; Copyright (C) 2012 Tom Willemsen <tom@ryuslash.org>
;; Author: Tom Willemsen <tom@ryuslash.org>
;; Created: Aug 07, 2012
;; Version: 0
;; Keywords: net
;; Permission to use, copy, modify, and distribute this software for any
;; purpose with or without fee is hereby granted, provided that the
;; above copyright notice and this permission notice appear in all
;; copies.
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;; Commentary:
;; Coming soon...
;;; Code:
(require 'auth-source)
(require 'xml)
(defvar sie-scuttle-api-url "http://pegas/scuttle/api/"
"Location of the Scuttle API.")
(defvar sie-user nil
"Username to authenticate scuttle with.")
(defvar sie-password nil
"Password to authenticate scuttle with.")
(defgroup sie nil
"Scuttle Interface for Emacs."
:group 'applications)
(defface sie-description
'((t (:inherit shadow)))
"Face for bookmark descriptions."
:group 'sie)
(defmacro sie-get-prop (prop post)
`(cdr (assq ,prop (cadr ,post))))
(defmacro sie-getset (var prompt &optional passwd)
"Ask the user for, and then save, VAR with PROMPT. Use
`read-passwd' if PASSWD is non-nil and `read-string' otherwise."
`(or ,var (setq ,var (,(if passwd 'read-passwd 'read-string)
,prompt))))
(defun sie-get-credentials ()
"Search in `auth-sources' or ask the user for a username and
password to log in with."
(let ((credentials (auth-source-search :max 1 :host sie-scuttle-api-url
:type 'netrc
:require '(:user :secret)
:user sie-user)))
(if credentials
(setq sie-user (plist-get (car credentials) :user)
sie-password (plist-get (car credentials) :secret))
(sie-getset sie-user "Username: ")
(sie-getset sie-password "Password: " t))))
(defun sie--password ()
"Return the stored password. If `sie-password' is a
function, return the result of that function, otherwise return it
as-is."
(if (functionp sie-password)
(funcall sie-password)
sie-password))
(defun sie-credential-header ()
"Generate the Authorization header to send along to Scuttle."
(concat "Basic " (base64-encode-string
(concat sie-user ":" (sie--password)))))
(defun sie-send-command (command)
"Send a request to sie for COMMAND."
(let* ((url-request-extra-headers
`(("Authorization" . ,(sie-credential-header))))
(buffer (url-retrieve-synchronously
(url-encode-url
(concat sie-scuttle-api-url command))))
response)
(with-current-buffer buffer
(goto-char (point-min))
(search-forward "")
(forward-line) ; Skip <xml declaration
(setq response (xml-parse-region (point))))
(kill-buffer buffer)
response))
(define-derived-mode sie-list-mode special-mode "Sie"
"Major mode for viewing bookmarks from scuttle.
\\{avandu-overview-map}
\\<avandu-overview-map>")
;;;###autoload
(defun sie-bookmark-list (tag)
"Show a list of all the bookmarks collected."
(interactive "MTag: ")
(unless (and sie-user sie-password)
(sie-get-credentials))
(let ((buffer (get-buffer-create "*sie-bookmarks*"))
(result (sie-send-command (concat "posts_all.php?tag=" tag))))
(with-current-buffer buffer
(setq buffer-read-only nil)
(erase-buffer)
(goto-char (point-min))
(mapc #'(lambda (elt)
(unless (stringp elt)
(when (eq 'post (car elt))
(insert-button
(sie-get-prop 'description elt)
'link (sie-get-prop 'href elt)
'action #'(lambda (button)
(browse-url (button-get button 'link))))
(insert-char ?\n)
(let ((pos (point)))
(insert-char ?\t)
(insert (propertize (sie-get-prop 'description elt)
'face 'sie-description))
(fill-region pos (point)))
(insert-char ?\n)
(let ((pos (point)))
(insert-char ?\t)
(mapc #'(lambda (tag)
(insert-button
tag
'action #'(lambda (button)
(sie-bookmark-list (button-label button))))
(insert-char ?\ ))
(split-string (sie-get-prop 'tag elt)))
(fill-region pos (point)))
(insert-char ?\n 2))))
(cdr (assq 'posts result)))
(setq buffer-read-only t)
(goto-char (point-min))
(sie-list-mode))
(switch-to-buffer buffer)))
(provide 'sie)
;;; sie.el ends here
;; (posts-update)
;; (posts-add url description &keyword extended tags date replace shared)
;; (posts-delete url)
;; (posts-get &keyword tags date url hashes meta)
;; (posts-recent &keyword tag count)
;; (posts-dates &optional tag)
;; (posts-all &keyword tags start results from-date to-date meta)
;; (tags-get)
;; (tags-rename old new)
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