1 files changed, 54 insertions, 0 deletions
diff --git a/lisp/mastodon-auth.el b/lisp/mastodon-auth.el
new file mode 100644
index 0000000..dad62dd
--- /dev/null
+++ b/lisp/mastodon-auth.el
@@ -0,0 +1,54 @@
+(defun mastodon--read-access-token-file ()
+  (let* ((plstore (plstore-open mastodon-token-file))
+         (plist (cdr (plstore-get plstore "mastodon"))))
+    (if (plist-get plist :access_token)
+        plist)))
+
+(defun mastodon--access-token-p ()
+  (if (mastodon--get-client-token)
+      t))
+
+(defun mastodon--get-client-token ()
+  (plist-get mastodon--client-plist :access_token))
+
+(defun mastodon--read-or-get-access-token ()
+  (if (mastodon--access-token-p)
+      (mastodon--get-client-token)
+    (progn
+      (mastodon--client-id-and-secret)
+      (sleep-for 1) ;; FIXME
+      (mastodon--access-token)
+      (sleep-for 2) ;; FIXME
+      (mastodon--store-access-token-file)
+      (mastodon--get-client-token))))
+
+(defun mastodon--client-id-and-secret ()
+  "Adds client_id and client_secret to `mastodon--client-plist'."
+  (mastodon--http-post (mastodon--api-for "apps")
+                       (lambda (status) (let ((client-data (mastodon--json-hash-table status)))
+                                          (setq mastodon--client-plist `(:client_id ,(gethash "client_id" client-data) :client_secret ,(gethash "client_secret" client-data)))))
+                       '(("client_name" . "mastodon.el")
+                         ("redirect_uris" . "urn:ietf:wg:oauth:2.0:oob")
+                         ("scopes" . "read write"))))
+
+(defun mastodon--store-access-token-file ()
+  (let ((plstore (plstore-open mastodon-token-file)))
+    (plstore-put plstore "mastodon" nil
+                 `(:client_id
+                   ,(plist-get mastodon--client-plist :client_id)
+                   :client_secret
+                   ,(plist-get mastodon--client-plist :client_secret)
+                   :access_token
+                   ,(plist-get mastodon--client-plist :access_token)))
+    (plstore-save plstore)))
+
+(defun mastodon--access-token ()
+  "Adds access_token to `mastodon--client-plist'."
+  (mastodon--http-post (concat mastodon-instance-url "/oauth/token")
+                       (lambda (status) (let ((token-data (mastodon--json-hash-table status)))
+                                          (setq mastodon--client-plist (plist-put mastodon--client-plist :access_token (gethash "access_token" token-data)))))
+                       `(("client_id" . ,(plist-get mastodon--client-plist :client_id))
+                         ("client_secret" . ,(plist-get mastodon--client-plist :client_secret))
+                         ("grant_type" . "password")
+                         ("username" . ,(read-string "Email: "))
+                         ("password" . ,(read-passwd "Password: ")))))