X-Git-Url: http://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fpop3.el;h=b6fdad44e73f65557e5caa9832404035ce4e90ff;hp=0b024ec6e37a301b3ac71d581f9f4b9e8cfbabed;hb=915c1bceb6e7e1ea69eac0485892763825b2c57c;hpb=81b725b0cdaa0b79276b591d759aa95f9c9ec32c diff --git a/lisp/pop3.el b/lisp/pop3.el index 0b024ec6e..b6fdad44e 100644 --- a/lisp/pop3.el +++ b/lisp/pop3.el @@ -1,7 +1,7 @@ ;;; pop3.el --- Post Office Protocol (RFC 1460) interface -;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 -;; Free Software Foundation, Inc. +;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, +;; 2004, 2005 Free Software Foundation, Inc. ;; Author: Richard L. Pieri ;; Maintainer: FSF @@ -21,8 +21,8 @@ ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Commentary: @@ -37,22 +37,63 @@ (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. @@ -61,6 +102,32 @@ Used for APOP authentication.") (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"))) @@ -68,8 +135,7 @@ Used for APOP authentication.") (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 @@ -85,8 +151,8 @@ Used for APOP authentication.") (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) @@ -97,7 +163,8 @@ Used for APOP authentication.") (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)) ) @@ -110,8 +177,7 @@ Used for APOP authentication.") "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 @@ -155,15 +221,14 @@ Returns the process associated with the connection." (insert output))) (defun pop3-send-command (process command) - (set-buffer (process-buffer process)) - (goto-char (point-max)) -;; (if (= (aref command 0) ?P) -;; (insert "PASS \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 \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. @@ -173,8 +238,9 @@ Return the response string if optional second argument is non-nil." (save-excursion (set-buffer (process-buffer process)) (goto-char pop3-read-point) - (while (not (search-forward "\r\n" nil t)) - (nnheader-accept-process-output process) + (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) @@ -287,7 +353,7 @@ If NOW, use that time instead." (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 "USER %s not valid" user)))) (defun pop3-pass (process) "Send authentication information to the server." @@ -303,7 +369,7 @@ If NOW, use that time instead." (setq pass (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) nil nil 'binary))) (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))) @@ -312,28 +378,12 @@ If NOW, use that time instead." ;; 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-number (nth 1 (split-string response " "))) + (string-to-number (nth 2 (split-string response " ")))) )) (defun pop3-list (process &optional msg) @@ -348,29 +398,16 @@ This function currently does nothing.") (save-excursion (set-buffer (process-buffer process)) (while (not (re-search-forward "^\\.\r\n" nil t)) - ;; Fixme: Shouldn't depend on nnheader. - (nnheader-accept-process-output process) - ;; 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) @@ -396,7 +433,7 @@ This function currently does nothing.") "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) @@ -500,4 +537,5 @@ and close the connection." (provide 'pop3) +;;; arch-tag: 2facc142-1d74-498e-82af-4659b64cac12 ;;; pop3.el ends here