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| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | mastodon.el | 114 |
2 files changed, 115 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e43b0f9 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +.DS_Store diff --git a/mastodon.el b/mastodon.el new file mode 100644 index 0000000..a200b79 --- /dev/null +++ b/mastodon.el @@ -0,0 +1,114 @@ +;; +;; TODO resolve the FIXMEs +;; + +(defvar mastodon--api-version "v1") + +(defcustom mastodon-instance-url "https://mastodon.social" + "Base URL for the Masto instance from which you toot." + :group 'mastodon + :type 'string) + +;; TODO +(defcustom mastodon-token-file (concat user-emacs-directory "mastodon.plstore") + "File path where Mastodon access tokens are stored." + :group 'mastodon + :type 'file) + +(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--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--get-client-token () + (plist-get mastodon--client-plist :access_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--api-for (endpoint) + "Returns Mastondon API URL for ENDPOINT." + (concat mastodon-instance-url "/api/" mastodon--api-version "/" endpoint)) + +(defun mastodon--http-post (url callback args) + "Sends ARGS to URL as a POST request. + +Response buffer is passed to the CALLBACK function." + (let ((url-request-method "POST") + (url-request-extra-headers + '(("Content-Type" . "application/x-www-form-urlencoded"))) + (url-request-data + (mapconcat (lambda (arg) + (concat (url-hexify-string (car arg)) + "=" + (url-hexify-string (cdr arg)))) + args + "&"))) + (url-retrieve url callback))) + +(defun mastodon--response-json (status) + "Returns JSON string from `mastodon--http-post' response buffer." + (let ((resp (with-current-buffer (current-buffer) + (buffer-substring-no-properties (point-min) (point-max))))) + (progn + (string-match "\{.*\}" resp) + (match-string 0 resp)))) + +(defun mastodon--json-hash-table (status) + "Reads JSON string from `mastodon--response-json' into a hash table." + (let ((json-object-type 'hash-table) + (json-array-type 'list) + (json-key-type 'string)) + (json-read-from-string (mastodon--response-json status)))) + +(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: "))))) + +(defvar mastodon--client-plist (mastodon--read-access-token-file) + "Stores CLIENT_ID, CLIENT_SECRET, and ACCESS_TOKEN. + +Reads values from `mastodon-token-file' if they exist.") + +(defvar mastodon--token (mastodon--read-or-get-access-token) + "API token for Mastodon.") |