1. xemacs
  2. pgg

Source

pgg / pgg.el

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File pgg.el

 ;;; @ utility functions
 ;;;
 
-(defvar pgg-fetch-key-function (function pgg-fetch-key-with-w3))
+(defvar pgg-fetch-key-function (if (fboundp 'url-insert-file-contents)
+				   (function pgg-fetch-key-with-w3)))
 
 (defun pgg-invoke (func scheme &rest args)
   (progn
 	(set-buffer standard-output)
 	(insert-buffer-substring pgg-errors-buffer)))))
 
-(defvar pgg-passphrase-cache-expiry 16)
 (defvar pgg-passphrase-cache (make-vector 7 0))
 
 (defvar pgg-read-passphrase nil)
     status))
 
 ;;;###autoload
+(defun pgg-encrypt (rcpts &optional sign start end)
+  "Encrypt the current buffer for RCPTS.
+If optional argument SIGN is non-nil, do a combined sign and encrypt.
+If optional arguments START and END are specified, only encrypt within
+the region."
+  (interactive (list (split-string (read-string "Recipients: ") "[ \t,]+")))
+  (let* ((start (or start (point-min)))
+	 (end (or end (point-max)))
+	 (status (pgg-encrypt-region start end rcpts sign)))
+    (when (interactive-p)
+      (pgg-display-output-buffer start end status))
+    status))
+
+;;;###autoload
 (defun pgg-decrypt-region (start end)
   "Decrypt the current region between START and END."
   (interactive "r")
-  (let ((status
-	 (pgg-save-coding-system start end
-	   (pgg-invoke "decrypt-region" (or pgg-scheme pgg-default-scheme)
-		       (point-min) (point-max)))))
+  (let* ((buf (current-buffer))
+	 (packet (cdr (assq 1 (with-temp-buffer
+				(insert-buffer buf)
+				(pgg-decode-armor-region
+				 (point-min) (point-max))))))
+	 (key (cdr (assq 'key-identifier packet)))
+	 (pgg-default-user-id 
+	  (if key
+	      (concat "0x" (pgg-truncate-key-identifier key))
+	    pgg-default-user-id))
+	 (status
+	  (pgg-save-coding-system start end
+	    (pgg-invoke "decrypt-region" (or pgg-scheme pgg-default-scheme)
+			(point-min) (point-max)))))
+    (when (interactive-p)
+      (pgg-display-output-buffer start end status))
+    status))
+
+;;;###autoload
+(defun pgg-decrypt (&optional start end)
+  "Decrypt the current buffer.
+If optional arguments START and END are specified, only decrypt within
+the region."
+  (interactive "")
+  (let* ((start (or start (point-min)))
+	 (end (or end (point-max)))
+	 (status (pgg-decrypt-region start end)))
     (when (interactive-p)
       (pgg-display-output-buffer start end status))
     status))
 (defun pgg-sign-region (start end &optional cleartext)
   "Make the signature from text between START and END.
 If the optional 3rd argument CLEARTEXT is non-nil, it does not create
-a detached signature."
+a detached signature.
+If this function is called interactively, CLEARTEXT is enabled
+and the the output is displayed."
   (interactive "r")
   (let ((status (pgg-save-coding-system start end
 		  (pgg-invoke "sign-region" (or pgg-scheme pgg-default-scheme)
     status))
 
 ;;;###autoload
+(defun pgg-sign (&optional cleartext start end)
+  "Sign the current buffer.
+If the optional argument CLEARTEXT is non-nil, it does not create a
+detached signature.
+If optional arguments START and END are specified, only sign data
+within the region.
+If this function is called interactively, CLEARTEXT is enabled
+and the the output is displayed."
+  (interactive "")
+  (let* ((start (or start (point-min)))
+	 (end (or end (point-max)))
+	 (status (pgg-sign-region start end (or (interactive-p) cleartext))))
+    (when (interactive-p)
+      (pgg-display-output-buffer start end status))
+    status))
+  
+;;;###autoload
 (defun pgg-verify-region (start end &optional signature fetch)
   "Verify the current region between START and END.
 If the optional 3rd argument SIGNATURE is non-nil, it is treated as
 	 (key (cdr (assq 'key-identifier packet)))
 	 status keyserver)
     (and (stringp key)
+	 pgg-query-keyserver
 	 (setq key (concat "0x" (pgg-truncate-key-identifier key)))
 	 (null (pgg-lookup-key key))
 	 (or fetch (interactive-p))
     status))
 
 ;;;###autoload
+(defun pgg-verify (&optional signature fetch start end)
+  "Verify the current buffer.
+If the optional argument SIGNATURE is non-nil, it is treated as
+the detached signature of the current region.
+If the optional argument FETCH is non-nil, we attempt to fetch the
+signer's public key from `pgg-default-keyserver-address'.
+If optional arguments START and END are specified, only verify data
+within the region."
+  (interactive "")
+  (let* ((start (or start (point-min)))
+	 (end (or end (point-max)))
+	 (status (pgg-verify-region start end signature fetch)))
+    (when (interactive-p)
+      (let ((temp-buffer-show-function
+	     (function pgg-temp-buffer-show-function)))
+	(with-output-to-temp-buffer pgg-echo-buffer
+	  (set-buffer standard-output)
+	  (insert-buffer-substring (if status pgg-output-buffer
+				     pgg-errors-buffer)))))))
+
+;;;###autoload
 (defun pgg-insert-key ()
   "Insert the ASCII armored public key."
   (interactive)
     (pgg-invoke "snarf-keys-region" (or pgg-scheme pgg-default-scheme)
 		start end)))
 
+;;;###autoload
+(defun pgg-snarf-keys ()
+  "Import public keys in the current buffer."
+  (interactive "")
+  (pgg-snarf-keys-region (point-min) (point-max)))
+
 (defun pgg-lookup-key (string &optional type)
   (pgg-invoke "lookup-key" (or pgg-scheme pgg-default-scheme) string type))
 
 (defvar pgg-insert-url-function  (function pgg-insert-url-with-w3))
 
 (defun pgg-insert-url-with-w3 (url)
-  (require 'w3)
-  (require 'url)
-  (let (buffer-file-name)
-    (url-insert-file-contents url)))
+  (ignore-errors
+    (require 'w3)
+    (require 'url)
+    (let (buffer-file-name)
+      (url-insert-file-contents url))))
 
 (defvar pgg-insert-url-extra-arguments nil)
 (defvar pgg-insert-url-program nil)