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-rw-r--r--README.org4
-rw-r--r--lisp/mastodon-auth.el47
-rw-r--r--test/mastodon-auth-tests.el53
3 files changed, 89 insertions, 15 deletions
diff --git a/README.org b/README.org
index 5b8b676..a5e5819 100644
--- a/README.org
+++ b/README.org
@@ -65,6 +65,10 @@ Set =mastodon-instance-url= in your =.emacs= or =customize=. Defaults to the [[h
(setq mastodon-instance-url "https://my.instance.url")
#+END_SRC
+There is an option to have your user credentials (email address and password) saved to disk so you don't have to re-enter them on every restart.
+The default is not to do this because if not properly configured it would save these unencrypted which is not a good default to have.
+Customize the variable =mastodon-auth-source-file= if you want to enable this feature.
+
*** Timelines
=M-x mastodon=
diff --git a/lisp/mastodon-auth.el b/lisp/mastodon-auth.el
index 17f19e3..aa83fae 100644
--- a/lisp/mastodon-auth.el
+++ b/lisp/mastodon-auth.el
@@ -30,6 +30,7 @@
;;; Code:
(require 'plstore)
+(require 'auth-source)
(autoload 'mastodon-client "mastodon-client")
(autoload 'mastodon-http--api "mastodon-http")
@@ -42,6 +43,15 @@
:prefix "mastodon-auth-"
:group 'mastodon)
+(defcustom mastodon-auth-source-file ""
+ "Filename to use to store user names and passwords.
+
+Leave empty to not permanently store any secrets.
+Otherwise set to e.g. \"~/.authinfo.gpg\" to have encrypted storage, or
+if you are happy with unencryped storage use e.g. \"~/authinfo\"."
+ :group 'mastodon-auth
+ :type 'string)
+
(defvar mastodon-auth--token-alist nil
"Alist of User access tokens keyed by instance url.")
@@ -50,6 +60,13 @@
(defun mastodon-auth--generate-token ()
"Make POST to generate auth token."
+ (if (or (null mastodon-auth-source-file)
+ (string= "" mastodon-auth-source-file))
+ (mastodon-auth--generate-token-no-storing-credentials)
+ (mastodon-auth--generate-token-and-store)))
+
+(defun mastodon-auth--generate-token-no-storing-credentials ()
+ "Make POST to generate auth token."
(mastodon-http--post
(concat mastodon-instance-url "/oauth/token")
`(("client_id" . ,(plist-get (mastodon-client) :client_id))
@@ -61,6 +78,36 @@
nil
:unauthenticated))
+(defun mastodon-auth--generate-token-and-store ()
+ "Make POST to generate auth token.
+
+Reads and/or stores secres in `MASTODON-AUTH-SOURCE-FILE'."
+ (let* ((auth-sources (list mastodon-auth-source-file))
+ (auth-source-creation-prompts
+ '((user . "Enter email for %h: ")
+ (secret . "Password: ")))
+ (credentials-plist (nth 0 (auth-source-search
+ :create t
+ :host mastodon-instance-url
+ :port 443
+ :require '(:user :secret)))))
+ (prog1
+ (mastodon-http--post
+ (concat mastodon-instance-url "/oauth/token")
+ `(("client_id" . ,(plist-get (mastodon-client) :client_id))
+ ("client_secret" . ,(plist-get (mastodon-client) :client_secret))
+ ("grant_type" . "password")
+ ("username" . ,(plist-get credentials-plist :user))
+ ("password" . ,(let ((secret (plist-get credentials-plist :secret)))
+ (if (functionp secret)
+ (funcall secret)
+ secret)))
+ ("scope" . "read write follow"))
+ nil
+ :unauthenticated)
+ (when (functionp (plist-get credentials-plist :save-function))
+ (funcall (plist-get credentials-plist :save-function))))))
+
(defun mastodon-auth--get-token ()
"Make auth token request and return JSON response."
(with-current-buffer (mastodon-auth--generate-token)
diff --git a/test/mastodon-auth-tests.el b/test/mastodon-auth-tests.el
index 719a56c..5108f9a 100644
--- a/test/mastodon-auth-tests.el
+++ b/test/mastodon-auth-tests.el
@@ -1,22 +1,45 @@
(require 'el-mock)
-(ert-deftest generate-token ()
+(ert-deftest generate-token--no-storing-credentials ()
"Should make `mastdon-http--post' request to generate auth token."
(with-mock
- (let ((mastodon-instance-url "https://instance.url"))
- (mock (mastodon-client) => '(:client_id "id" :client_secret "secret"))
- (mock (read-string "Email: ") => "foo@bar.com")
- (mock (read-passwd "Password: ") => "password")
- (mock (mastodon-http--post "https://instance.url/oauth/token"
- '(("client_id" . "id")
- ("client_secret" . "secret")
- ("grant_type" . "password")
- ("username" . "foo@bar.com")
- ("password" . "password")
- ("scope" . "read write follow"))
- nil
- :unauthenticated))
- (mastodon-auth--generate-token))))
+ (let ((mastodon-auth-source-file "")
+ (mastodon-instance-url "https://instance.url"))
+ (mock (mastodon-client) => '(:client_id "id" :client_secret "secret"))
+ (mock (read-string "Email: ") => "foo@bar.com")
+ (mock (read-passwd "Password: ") => "password")
+ (mock (mastodon-http--post "https://instance.url/oauth/token"
+ '(("client_id" . "id")
+ ("client_secret" . "secret")
+ ("grant_type" . "password")
+ ("username" . "foo@bar.com")
+ ("password" . "password")
+ ("scope" . "read write follow"))
+ nil
+ :unauthenticated))
+ (mastodon-auth--generate-token))))
+
+(ert-deftest generate-token--storing-credentials ()
+ "Should make `mastdon-http--post' request to generate auth token."
+ (with-mock
+ (let ((mastodon-auth-source-file "~/.authinfo")
+ (mastodon-instance-url "https://instance.url"))
+ (mock (mastodon-client) => '(:client_id "id" :client_secret "secret"))
+ (mock (auth-source-search :create t
+ :host "https://instance.url"
+ :port 443
+ :require '(:user :secret))
+ => '((:user "foo@bar.com" :secret (lambda () "password"))))
+ (mock (mastodon-http--post "https://instance.url/oauth/token"
+ '(("client_id" . "id")
+ ("client_secret" . "secret")
+ ("grant_type" . "password")
+ ("username" . "foo@bar.com")
+ ("password" . "password")
+ ("scope" . "read write follow"))
+ nil
+ :unauthenticated))
+ (mastodon-auth--generate-token))))
(ert-deftest get-token ()
"Should generate token and return JSON response."