;;; pop3.el --- Post Office Protocol (RFC 1460) interface
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
;; Author: Richard L. Pieri <ratinox@peorth.gweep.net>
-;; Maintainer: FSF
-;; Keywords: mail
+;; Keywords: mail, pop3
+;; Version: 1.3m+
;; This file is part of GNU Emacs.
;;; Code:
(require 'mail-utils)
+(provide 'pop3)
+
+(defconst pop3-version "1.3m+")
(defvar pop3-maildrop (or (user-login-name) (getenv "LOGNAME") (getenv "USER") nil)
"*POP3 maildrop.")
((equal 'pass pop3-authentication-scheme)
(pop3-user process pop3-maildrop)
(pop3-pass process))
- (t (error "Invalid POP3 authentication scheme")))
+ (t (error "Invalid 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))
- (pop3-retr process n crashbuf)
- (save-excursion
- (set-buffer crashbuf)
- (let ((coding-system-for-write 'binary))
- (write-region (point-min) (point-max) crashbox t 'nomesg))
- (set-buffer (process-buffer process))
- (while (> (buffer-size) 5000)
- (goto-char (point-min))
- (forward-line 50)
- (delete-region (point-min) (point))))
- (pop3-dele process n)
- (setq n (+ 1 n))
- (if pop3-debug (sit-for 1) (sit-for 0.1))
- )
- (pop3-quit process))
+ (while (<= n message-count)
+ (message (format "Retrieving message %d of %d from %s..."
+ n message-count pop3-mailhost))
+ (pop3-retr process n crashbuf)
+ (save-excursion
+ (set-buffer crashbuf)
+ (write-region-as-binary (point-min) (point-max) crashbox 'append)
+ (set-buffer (process-buffer process))
+ (while (> (buffer-size) 5000)
+ (goto-char (point-min))
+ (forward-line 50)
+ (delete-region (point-min) (point))))
+ (pop3-dele process n)
+ (setq n (+ 1 n))
+ (if pop3-debug (sit-for 1) (sit-for 0.1))
+ )
+ (pop3-quit process)
(kill-buffer crashbuf)
)
- t)
-
-(defun pop3-get-message-count ()
- "Return the number of messages in the maildrop."
- (let* ((process (pop3-open-server pop3-mailhost pop3-port))
- message-count
- (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))))
- (cond ((equal 'apop pop3-authentication-scheme)
- (pop3-apop process pop3-maildrop))
- ((equal 'pass pop3-authentication-scheme)
- (pop3-user process pop3-maildrop)
- (pop3-pass process))
- (t (error "Invalid POP3 authentication scheme")))
- (setq message-count (car (pop3-stat process)))
- (pop3-quit process)
- message-count))
+ )
(defun pop3-open-server (mailhost port)
- "Open TCP connection to MAILHOST on PORT.
+ "Open TCP connection to MAILHOST.
Returns the process associated with the connection."
- (let ((coding-system-for-read 'binary)
- (coding-system-for-write 'binary)
- process)
+ (let ((process-buffer
+ (get-buffer-create (format "trace of POP session to %s" mailhost)))
+ (process))
(save-excursion
- (set-buffer (get-buffer-create (concat " trace of POP session to "
- mailhost)))
+ (set-buffer process-buffer)
(erase-buffer)
(setq pop3-read-point (point-min))
- (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)
- (+ 1 (or (string-match ">" response) -1)))))
- process)))
+ )
+ (setq process
+ (open-network-stream-as-binary "POP" process-buffer mailhost port))
+ (let ((response (pop3-read-response process t)))
+ (setq pop3-timestamp
+ (substring response (or (string-match "<" response) 0)
+ (+ 1 (or (string-match ">" response) -1)))))
+ process))
;; Support functions
;; (insert command "\r\n"))
(setq pop3-read-point (point))
(goto-char (point-max))
- (process-send-string process (concat command "\r\n"))
+ (process-send-string process command)
+ (process-send-string process "\r\n")
)
(defun pop3-read-response (process &optional return)
t)
)))))
+(defun pop3-string-to-list (string &optional regexp)
+ "Chop up a string into a list."
+ (let ((list)
+ (regexp (or regexp " "))
+ (string (if (string-match "\r" string)
+ (substring string 0 (match-beginning 0))
+ string)))
+ (store-match-data nil)
+ (while string
+ (if (string-match regexp string)
+ (setq list (cons (substring string 0 (- (match-end 0) 1)) list)
+ string (substring string (match-end 0)))
+ (setq list (cons string list)
+ string nil)))
+ (nreverse list)))
+
(defvar pop3-read-passwd nil)
(defun pop3-read-passwd (prompt)
(if (not pop3-read-passwd)
- (if (fboundp 'read-passwd)
+ (if (functionp 'read-passwd)
(setq pop3-read-passwd 'read-passwd)
(if (load "passwd" t)
(setq pop3-read-passwd 'read-passwd)
(forward-char)))
(set-marker end nil))
-(eval-when-compile (defvar parse-time-months))
-
-;; Copied from message-make-date.
-(defun pop3-make-date (&optional now)
- "Make a valid date header.
-If NOW, use that time instead."
- (require 'parse-time)
- (let* ((now (or now (current-time)))
- (zone (nth 8 (decode-time now)))
- (sign "+"))
- (when (< zone 0)
- (setq sign "-")
- (setq zone (- zone)))
- (concat
- (format-time-string "%d" now)
- ;; The month name of the %b spec is locale-specific. Pfff.
- (format " %s "
- (capitalize (car (rassoc (nth 4 (decode-time now))
- parse-time-months))))
- (format-time-string "%Y %H:%M:%S " now)
- ;; We do all of this because XEmacs doesn't have the %z spec.
- (format "%s%02d%02d" sign (/ zone 3600) (/ (% zone 3600) 60)))))
-
(defun pop3-munge-message-separator (start end)
"Check to see if a message separator exists. If not, generate one."
+ (if (not (fboundp 'message-make-date)) (autoload 'message-make-date "message"))
(save-excursion
(save-restriction
(narrow-to-region start end)
(looking-at "\001\001\001\001\n") ; MMDF
(looking-at "BABYL OPTIONS:") ; Babyl
))
- (let* ((from (mail-strip-quoted-names (mail-fetch-field "From")))
- (tdate (mail-fetch-field "Date"))
- (date (split-string (or (and tdate
- (not (string= "" tdate))
- tdate)
- (pop3-make-date))
- " "))
- (From_))
+ (let ((from (mail-strip-quoted-names (mail-fetch-field "From")))
+ (date (pop3-string-to-list (or (mail-fetch-field "Date")
+ (message-make-date))))
+ (From_))
;; sample date formats I have seen
;; Date: Tue, 9 Jul 1996 09:04:21 -0400 (EDT)
;; Date: 08 Jul 1996 23:22:24 -0400
;; should be
;; Tue Jul 9 09:04:21 1996
(setq date
- (cond ((not date)
- "Tue Jan 1 00:00:0 1900")
- ((string-match "[A-Z]" (nth 0 date))
+ (cond ((string-match "[A-Z]" (nth 0 date))
(format "%s %s %s %s %s"
(nth 0 date) (nth 2 date) (nth 1 date)
(nth 4 date) (nth 3 date)))
(setq From_ (concat (substring From_ 0 (match-beginning 0))
(substring From_ (match-end 0)))))
(goto-char (point-min))
- (insert From_)
- (if (search-forward "\n\n" nil t)
- nil
- (goto-char (point-max))
- (insert "\n"))
- (narrow-to-region (point) (point-max))
- (let ((size (- (point-max) (point-min))))
- (goto-char (point-min))
- (widen)
- (forward-line -1)
- (insert (format "Content-Length: %s\n" size)))
- )))))
+ (insert From_))))))
;; The Command Set
(pop3-send-command process (format "USER %s" user))
(let ((response (pop3-read-response process t)))
(if (not (and response (string-match "+OK" response)))
- (error (format "USER %s not valid" user)))))
+ (error (format "USER %s not valid." user)))))
(defun pop3-pass (process)
"Send authentication information to the server."
(defun pop3-apop (process user)
"Send alternate authentication information to the server."
- (let ((pass pop3-password))
- (if (and pop3-password-required (not pass))
- (setq pass
- (pop3-read-passwd (format "Password for %s: " pop3-maildrop))))
- (if pass
- (let ((hash (pop3-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)))
- (pop3-quit process)))))
- ))
+ (if (not (fboundp 'md5)) (autoload 'md5 "md5"))
+ (let ((hash (md5 (concat pop3-timestamp pop3-password))))
+ (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)))
+ (pop3-quit process)))))
;; 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 (point-min) (+ 32 (point-min)))))))
-
(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-int (nth 1 (pop3-string-to-list response)))
+ (string-to-int (nth 2 (pop3-string-to-list response))))
))
(defun pop3-list (process &optional msg)
"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-int (nth 1 (pop3-string-to-list response)))
))
(defun pop3-rset (process)
;; Restrictions: none
;; Possible responses:
;; +OK [TCP connection closed]
-
-(provide 'pop3)
-
-;;; pop3.el ends here