;;; pop3.el --- Post Office Protocol (RFC 1460) interface
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
;; Free Software Foundation, Inc.
;; Author: Richard L. Pieri <ratinox@peorth.gweep.net>
(require 'mail-utils)
-(defvar pop3-maildrop (or (user-login-name) (getenv "LOGNAME") (getenv "USER") nil)
- "*POP3 maildrop.")
-(defvar pop3-mailhost (or (getenv "MAILHOST") nil)
- "*POP3 mailhost.")
-(defvar pop3-port 110
- "*POP3 port.")
-
-(defvar pop3-password-required t
- "*Non-nil if a password is required when connecting to POP server.")
+(defgroup pop3 nil
+ "Post Office Protocol"
+ :group 'mail
+ :group 'mail-source)
+
+(defcustom pop3-maildrop (or (user-login-name)
+ (getenv "LOGNAME")
+ (getenv "USER"))
+ "*POP3 maildrop."
+ :version "22.1" ;; Oort Gnus
+ :type 'string
+ :group 'pop3)
+
+(defcustom pop3-mailhost (or (getenv "MAILHOST") ;; nil -> mismatch
+ "pop3")
+ "*POP3 mailhost."
+ :version "22.1" ;; Oort Gnus
+ :type 'string
+ :group 'pop3)
+
+(defcustom pop3-port 110
+ "*POP3 port."
+ :version "22.1" ;; Oort Gnus
+ :type 'number
+ :group 'pop3)
+
+(defcustom pop3-password-required t
+ "*Non-nil if a password is required when connecting to POP server."
+ :version "22.1" ;; Oort Gnus
+ :type 'boolean
+ :group 'pop3)
+
+;; Should this be customizable?
(defvar pop3-password nil
"*Password to use when connecting to POP server.")
-(defvar pop3-authentication-scheme 'pass
+(defcustom pop3-authentication-scheme 'pass
"*POP3 authentication scheme.
Defaults to 'pass, for the standard USER/PASS authentication. Other valid
-values are 'apop.")
+values are 'apop."
+ :version "22.1" ;; Oort Gnus
+ :type '(choice (const :tag "USER/PASS" pass)
+ (const :tag "APOP" apop))
+ :group 'pop3)
+
+(defcustom pop3-leave-mail-on-server nil
+ "*Non-nil if the mail is to be left on the POP server after fetching.
+
+If `pop3-leave-mail-on-server' is non-nil the mail is to be left
+on the POP server after fetching. Note that POP servers maintain
+no state information between sessions, so what the client
+believes is there and what is actually there may not match up.
+If they do not, then the whole thing can fall apart and leave you
+with a corrupt mailbox."
+ :version "22.1" ;; Oort Gnus
+ :type 'boolean
+ :group 'pop3)
(defvar pop3-timestamp nil
"Timestamp returned when initially connected to the POP server.
(defvar pop3-read-point nil)
(defvar pop3-debug nil)
+;; Borrowed from nnheader-accept-process-output in nnheader.el.
+(defvar pop3-read-timeout
+ (if (string-match "windows-nt\\|os/2\\|emx\\|cygwin"
+ (symbol-name system-type))
+ ;; http://thread.gmane.org/v9655t3pjo.fsf@marauder.physik.uni-ulm.de
+ ;;
+ ;; IIRC, values lower than 1.0 didn't/don't work on Windows/DOS.
+ ;;
+ ;; There should probably be a runtime test to determine the timing
+ ;; resolution, or a primitive to report it. I don't know off-hand
+ ;; what's possible. Perhaps better, maybe the Windows/DOS primitive
+ ;; could round up non-zero timeouts to a minimum of 1.0?
+ 1.0
+ 0.1)
+ "How long pop3 should wait between checking for the end of output.
+Shorter values mean quicker response, but are more CPU intensive.")
+
+;; Borrowed from nnheader-accept-process-output in nnheader.el.
+(defun pop3-accept-process-output (process)
+ (accept-process-output
+ process
+ (truncate pop3-read-timeout)
+ (truncate (* (- pop3-read-timeout
+ (truncate pop3-read-timeout))
+ 1000))))
+
(defun pop3-movemail (&optional crashbox)
"Transfer contents of a maildrop to the specified CRASHBOX."
(or crashbox (setq crashbox (expand-file-name "~/.crashbox")))
(crashbuf (get-buffer-create " *pop3-retr*"))
(n 1)
message-count
- (pop3-password pop3-password)
- )
+ (pop3-password pop3-password))
;; for debugging only
(if pop3-debug (switch-to-buffer (process-buffer process)))
;; query for password
(if (and pop3-password-required (not pop3-password))
(setq pop3-password
- (pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
+ (read-passwd (format "Password for %s: " pop3-maildrop))))
(cond ((equal 'apop pop3-authentication-scheme)
(pop3-apop process pop3-maildrop))
((equal 'pass pop3-authentication-scheme)
(setq message-count (car (pop3-stat process)))
(unwind-protect
(while (<= n message-count)
- (message (format "Retrieving message %d of %d from %s..."
- n message-count pop3-mailhost))
+ (message "Retrieving message %d of %d from %s..."
+ n message-count pop3-mailhost)
(pop3-retr process n crashbuf)
(save-excursion
(set-buffer crashbuf)
(goto-char (point-min))
(forward-line 50)
(delete-region (point-min) (point))))
- (pop3-dele process n)
+ (unless pop3-leave-mail-on-server
+ (pop3-dele process n))
(setq n (+ 1 n))
(if pop3-debug (sit-for 1) (sit-for 0.1))
)
"Return the number of messages in the maildrop."
(let* ((process (pop3-open-server pop3-mailhost pop3-port))
message-count
- (pop3-password pop3-password)
- )
+ (pop3-password pop3-password))
;; for debugging only
(if pop3-debug (switch-to-buffer (process-buffer process)))
;; query for password
(if (and pop3-password-required (not pop3-password))
(setq pop3-password
- (pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
+ (read-passwd (format "Password for %s: " pop3-maildrop))))
(cond ((equal 'apop pop3-authentication-scheme)
(pop3-apop process pop3-maildrop))
((equal 'pass pop3-authentication-scheme)
Returns the process associated with the connection."
(let ((coding-system-for-read 'binary)
(coding-system-for-write 'binary)
- default-enable-multibyte-characters
process)
(save-excursion
(set-buffer (get-buffer-create (concat " trace of POP session to "
mailhost)))
(erase-buffer)
(setq pop3-read-point (point-min))
- (setq process (open-network-stream "POP"(current-buffer) mailhost port))
+ (setq process (open-network-stream "POP" (current-buffer) mailhost port))
(let ((response (pop3-read-response process t)))
(setq pop3-timestamp
(substring response (or (string-match "<" response) 0)
(insert output)))
(defun pop3-send-command (process command)
- (set-buffer (process-buffer process))
- (goto-char (point-max))
-;; (if (= (aref command 0) ?P)
-;; (insert "PASS <omitted>\r\n")
-;; (insert command "\r\n"))
- (setq pop3-read-point (point))
- (goto-char (point-max))
- (process-send-string process (concat command "\r\n"))
- )
+ (set-buffer (process-buffer process))
+ (goto-char (point-max))
+ ;; (if (= (aref command 0) ?P)
+ ;; (insert "PASS <omitted>\r\n")
+ ;; (insert command "\r\n"))
+ (setq pop3-read-point (point))
+ (goto-char (point-max))
+ (process-send-string process (concat command "\r\n")))
(defun pop3-read-response (process &optional return)
"Read the response from the server.
(save-excursion
(set-buffer (process-buffer process))
(goto-char pop3-read-point)
- (while (not (search-forward "\r\n" nil t))
- (accept-process-output process 3)
+ (while (and (memq (process-status process) '(open run))
+ (not (search-forward "\r\n" nil t)))
+ (pop3-accept-process-output process)
(goto-char pop3-read-point))
(setq match-end (point))
(goto-char pop3-read-point)
t)
)))))
-(defvar pop3-read-passwd nil)
-(defun pop3-read-passwd (prompt)
- (if (not pop3-read-passwd)
- (if (fboundp 'read-passwd)
- (setq pop3-read-passwd 'read-passwd)
- (if (load "passwd" t)
- (setq pop3-read-passwd 'read-passwd)
- (autoload 'ange-ftp-read-passwd "ange-ftp")
- (setq pop3-read-passwd 'ange-ftp-read-passwd))))
- (funcall pop3-read-passwd prompt))
-
(defun pop3-clean-region (start end)
(setq end (set-marker (make-marker) end))
(save-excursion
(let ((pass pop3-password))
(if (and pop3-password-required (not pass))
(setq pass
- (pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
+ (read-passwd (format "Password for %s: " pop3-maildrop))))
(if pass
- (let ((hash (pop3-md5 (concat pop3-timestamp pass))))
+ (let ((hash (md5 (concat pop3-timestamp pass))))
(pop3-send-command process (format "APOP %s %s" user hash))
(let ((response (pop3-read-response process t)))
(if (not (and response (string-match "+OK" response)))
;; TRANSACTION STATE
-(eval-and-compile
- (if (fboundp 'md5)
- (defalias 'pop3-md5 'md5)
- (defvar pop3-md5-program "md5"
- "*Program to encode its input in MD5.")
-
- (defun pop3-md5 (string)
- (with-temp-buffer
- (insert string)
- (call-process-region (point-min) (point-max)
- pop3-md5-program
- t (current-buffer) nil)
- ;; The meaningful output is the first 32 characters.
- ;; Don't return the newline that follows them!
- (buffer-substring 1 33)))))
-
(defun pop3-stat (process)
"Return the number of messages in the maildrop and the maildrop's size."
(pop3-send-command process "STAT")
(let ((response (pop3-read-response process t)))
- (list (string-to-int (nth 1 (split-string response " ")))
- (string-to-int (nth 2 (split-string response " "))))
+ (list (string-to-number (nth 1 (split-string response " ")))
+ (string-to-number (nth 2 (split-string response " "))))
))
(defun pop3-list (process &optional msg)
(save-excursion
(set-buffer (process-buffer process))
(while (not (re-search-forward "^\\.\r\n" nil t))
- (accept-process-output process 3)
- ;; bill@att.com ... to save wear and tear on the heap
- ;; uncommented because the condensed version below is a problem for
- ;; some.
- (if (> (buffer-size) 20000) (sleep-for 1))
- (if (> (buffer-size) 50000) (sleep-for 1))
- (if (> (buffer-size) 100000) (sleep-for 1))
- (if (> (buffer-size) 200000) (sleep-for 1))
- (if (> (buffer-size) 500000) (sleep-for 1))
- ;; bill@att.com
- ;; condensed into:
- ;; (sometimes causes problems for really large messages.)
-; (if (> (buffer-size) 20000) (sleep-for (/ (buffer-size) 20000)))
+ (pop3-accept-process-output process)
(goto-char start))
(setq pop3-read-point (point-marker))
-;; this code does not seem to work for some POP servers...
-;; and I cannot figure out why not.
-; (goto-char (match-beginning 0))
-; (backward-char 2)
-; (if (not (looking-at "\r\n"))
-; (insert "\r\n"))
-; (re-search-forward "\\.\r\n")
+ ;; this code does not seem to work for some POP servers...
+ ;; and I cannot figure out why not.
+ ;; (goto-char (match-beginning 0))
+ ;; (backward-char 2)
+ ;; (if (not (looking-at "\r\n"))
+ ;; (insert "\r\n"))
+ ;; (re-search-forward "\\.\r\n")
(goto-char (match-beginning 0))
(setq end (point-marker))
(pop3-clean-region start end)
"Return highest accessed message-id number for the session."
(pop3-send-command process "LAST")
(let ((response (pop3-read-response process t)))
- (string-to-int (nth 1 (split-string response " ")))
+ (string-to-number (nth 1 (split-string response " ")))
))
(defun pop3-rset (process)
(provide 'pop3)
+;;; arch-tag: 2facc142-1d74-498e-82af-4659b64cac12
;;; pop3.el ends here