From e9dd14192f0e9f1e2367b378b937c2b2f042ffa1 Mon Sep 17 00:00:00 2001
From: Johnson Denen <johnson.denen@gmail.com>
Date: Fri, 21 Apr 2017 22:55:34 -0400
Subject: Add mastodon-client feature

---
 lisp/mastodon-client.el | 95 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 lisp/mastodon-client.el

(limited to 'lisp')

diff --git a/lisp/mastodon-client.el b/lisp/mastodon-client.el
new file mode 100644
index 0000000..25f303f
--- /dev/null
+++ b/lisp/mastodon-client.el
@@ -0,0 +1,95 @@
+;;; mastodon-client.el --- Client functions for mastodon.el
+
+;; Copyright (C) 2017 Johnson Denen
+;; Author: Johnson Denen <johnson.denen@gmail.com>
+;; Homepage: https://github.com/jdenen/mastodon.el
+
+;; This file is not part of GNU Emacs.
+
+;; This file is part of mastodon.el.
+
+;; mastodon.el 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 of the License, or
+;; (at your option) any later version.
+
+;; mastodon.el 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 mastodon.el.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; mastodon-client.el supports registering the Emacs client with your Mastodon instance.
+
+;;; Code:
+
+(require 'plstore)
+(require 'mastodon-http)
+
+(defgroup mastodon-client nil
+  "Register your client with Mastodon."
+  :prefix "mastodon-client-"
+  :group 'mastodon)
+
+(defvar mastodon-client nil
+  "Client id and secret.")
+
+(defun mastodon-client--register ()
+  "POST client to Mastodon."
+  (mastodon-http--post
+   (mastodon--api-for "apps")
+   '(("client_name" . "mastodon.el")
+     ("redirect_uris" . "urn:ietf:wg:oauth:2.0:oob")
+     ("scopes" . "read write follow")
+     ("website" . "https://github.com/jdenen/mastodon.el"))
+   nil))
+
+(defun mastodon-client--fetch ()
+  "Return JSON from `mastodon-client--register' call."
+  (with-current-buffer (mastodon-client--register)
+    (goto-char (point-min))
+    (re-search-forward "^$" nil 'move)
+    (let ((json-object-type 'plist)
+          (json-key-type 'keyword)
+          (json-array-type 'vector)
+          (json-string (buffer-substring-no-properties (point) (point-max))))
+      (json-read-from-string json-string))))
+
+(defun mastodon-client--token-file ()
+  "Return `mastodon-token-file'."
+  mastodon-token-file)
+
+(defun mastodon-client--store ()
+  "Store client_id and client_secret in `mastodon-token-file'.
+
+Make `mastodon-client--fetch' call to determine client values."
+  (let ((plstore (plstore-open (mastodon-client--token-file)))
+        (client (mastodon-client--fetch)))
+    (plstore-put plstore "mastodon" client nil)
+    (plstore-save plstore)
+    (plstore-close plstore)
+    client))
+
+(defun mastodon-client--read ()
+  "Retrieve client_id and client_secret from `mastodon-token-file'."
+  (let* ((plstore (plstore-open (mastodon-client--token-file)))
+         (mastodon (plstore-get plstore "mastodon")))
+    (when mastodon
+      (delete "mastodon" mastodon))))
+
+(defun mastodon-client ()
+  "Return `mastodon-client' plist.
+
+Read plist from `mastodon-token-file' if `mastodon-client' is nil.
+Fetch and store plist if `mastodon-client--read' returns nil."
+  (or mastodon-client
+      (setq mastodon-client
+            (or (mastodon-client--read)
+                (mastodon-client--store)))))
+
+(provide 'mastodon-client)
+;;; mastodon-client.el ends here
-- 
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