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;;; emms-librefm-client.el --- Last.FM Music API
;; Copyright (C) 2014 Free Software Foundation, Inc.
;; Author: Yoni Rabkin <yrk@gnu.org>
;; Keywords: emms, libre.fm
;; EMMS 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.
;;
;; EMMS 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 EMMS; see the file COPYING. If not, write to the Free
;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
;; MA 02110-1301, USA.
;;; Commentary:
;;
;; Definitive information on how to setup and use this package is
;; provided in the wonderful Emms manual, in the /doc directory of the
;; Emms distribution.
;;; Code:
(defvar emms-librefm-client-handshake-url
"turtle.libre.fm")
(defvar emms-librefm-client-method
"http")
(defvar emms-librefm-client-username
"")
(defvar emms-librefm-client-password
"")
(defvar emms-librefm-client-debug
"")
(defun emms-librefm-client-handshake-string (url username password)
(let ((timestamp (format-time-string "%s")))
(concat emms-librefm-client-method
"://"
url "/?"
"hs=true" "&"
"p=1.2" "&"
"c=emm" "&"
"v=1.0" "&"
"u=" (url-encode-url username) "&"
"t=" timestamp "&"
"a=" (md5 (concat (md5 password) timestamp)))))
(defun emms-librefm-client-handshake (url username password)
(let ((url-request-method "POST"))
(let ((response
(url-retrieve-synchronously
(emms-librefm-client-handshake-string
url username password))))
(setq emms-librefm-client-debug
(with-current-buffer response
(buffer-substring-no-properties (point-min)
(point-max)))))))
(provide 'emms-librefm-client)
;;; emms-librefm-client.el ends here
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