nntp.el (nntp-send-authinfo): Work for secure nntp entry in authinfo.
[gnus] / lisp / nnbabyl.el
index aea62c1..72450b1 100644 (file)
@@ -1,16 +1,17 @@
 ;;; nnbabyl.el --- rmail mbox access for Gnus
-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
 
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
-;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;; Copyright (C) 1995-2012  Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;; Keywords: news, mail
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;; GNU General Public License for more details.
 
 ;; 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.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
 ;; For an overview of what the interface functions do, please see the
-;; Gnus sources.  
+;; Gnus sources.
 
 ;;; Code:
 
 (require 'nnheader)
-(require 'rmail)
+(condition-case nil
+    (require 'rmail)
+  (error (nnheader-message
+      5 "Ignore rmail errors from this file, you don't have rmail")))
 (require 'nnmail)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
+
+(nnoo-declare nnbabyl)
 
-(defvar nnbabyl-mbox-file (expand-file-name "~/RMAIL")
+(defvoo nnbabyl-mbox-file (expand-file-name "~/RMAIL")
   "The name of the rmail box file in the users home directory.")
 
-(defvar nnbabyl-active-file (expand-file-name "~/.rmail-active")
+(defvoo nnbabyl-active-file (expand-file-name "~/.rmail-active")
   "The name of the active file for the rmail box.")
 
-(defvar nnbabyl-get-new-mail t
+(defvoo nnbabyl-get-new-mail t
   "If non-nil, nnbabyl will check the incoming mail file and split the mail.")
 
-(defvar nnbabyl-prepare-save-mail-hook nil
+
+(defvoo nnbabyl-prepare-save-mail-hook nil
   "Hook run narrowed to an article before saving.")
 
 \f
 (defconst nnbabyl-version "nnbabyl 1.0"
   "nnbabyl version.")
 
-(defvar nnbabyl-mbox-buffer nil)
-(defvar nnbabyl-current-group nil)
-(defvar nnbabyl-status-string "")
-(defvar nnbabyl-group-alist nil)
-(defvar nnbabyl-active-timestamp nil)
-
-(defvar nnbabyl-previous-buffer-mode nil)
+(defvoo nnbabyl-mbox-buffer nil)
+(defvoo nnbabyl-current-group nil)
+(defvoo nnbabyl-status-string "")
+(defvoo nnbabyl-group-alist nil)
+(defvoo nnbabyl-active-timestamp nil)
 
-\f
-
-(defvar nnbabyl-current-server nil)
-(defvar nnbabyl-server-alist nil)
-(defvar nnbabyl-server-variables 
-  (list
-   (list 'nnbabyl-mbox-file nnbabyl-mbox-file)
-   (list 'nnbabyl-active-file nnbabyl-active-file)
-   (list 'nnbabyl-get-new-mail nnbabyl-get-new-mail)
-   '(nnbabyl-current-group nil)
-   '(nnbabyl-status-string "")
-   '(nnbabyl-previous-buffer-mode nil)
-   '(nnbabyl-group-alist nil)))
+(defvoo nnbabyl-previous-buffer-mode nil)
 
 \f
 
 ;;; Interface functions
 
-(defun nnbabyl-retrieve-headers (sequence &optional newsgroup server fetch-old)
-  (save-excursion
-    (set-buffer nntp-server-buffer)
+(nnoo-define-basics nnbabyl)
+
+(deffoo nnbabyl-retrieve-headers (articles &optional group server fetch-old)
+  (with-current-buffer nntp-server-buffer
     (erase-buffer)
-    (let ((number (length sequence))
+    (let ((number (length articles))
          (count 0)
+         (delim (concat "^" nnbabyl-mail-delimiter))
          article art-string start stop)
-      (nnbabyl-possibly-change-newsgroup newsgroup)
-      (while sequence
-       (setq article (car sequence))
+      (nnbabyl-possibly-change-newsgroup group server)
+      (while (setq article (pop articles))
        (setq art-string (nnbabyl-article-string article))
        (set-buffer nnbabyl-mbox-buffer)
-       (if (or (search-forward art-string nil t)
-               (search-backward art-string nil t))
-           (progn
-             (re-search-backward (concat "^" nnbabyl-mail-delimiter) nil t)
-             (while (and (not (looking-at ".+:"))
-                         (zerop (forward-line 1))))
-             (setq start (point))
-             (search-forward "\n\n" nil t)
-             (setq stop (1- (point)))
-             (set-buffer nntp-server-buffer)
-             (insert "221 " (int-to-string article) " Article retrieved.\n")
-             (insert-buffer-substring nnbabyl-mbox-buffer start stop)
-             (goto-char (point-max))
-             (insert ".\n")))
-       (setq sequence (cdr sequence))
-       (setq count (1+ count))
+       (end-of-line)
+       (when (or (search-forward art-string nil t)
+                 (search-backward art-string nil t))
+         (unless (re-search-backward delim nil t)
+           (goto-char (point-min)))
+         (while (and (not (looking-at ".+:"))
+                     (zerop (forward-line 1))))
+         (setq start (point))
+         (search-forward "\n\n" nil t)
+         (setq stop (1- (point)))
+         (set-buffer nntp-server-buffer)
+         (insert "221 ")
+         (princ article (current-buffer))
+         (insert " Article retrieved.\n")
+         (insert-buffer-substring nnbabyl-mbox-buffer start stop)
+         (goto-char (point-max))
+         (insert ".\n"))
        (and (numberp nnmail-large-newsgroup)
             (> number nnmail-large-newsgroup)
-            (zerop (% count 20))
+            (zerop (% (incf count) 20))
             (nnheader-message 5 "nnbabyl: Receiving headers... %d%%"
                               (/ (* count 100) number))))
 
       (nnheader-fold-continuation-lines)
       'headers)))
 
-(defun nnbabyl-open-server (server &optional defs)
-  (nnheader-init-server-buffer)
-  (if (equal server nnbabyl-current-server)
-      t
-    (if nnbabyl-current-server
-       (setq nnbabyl-server-alist 
-             (cons (list nnbabyl-current-server
-                         (nnheader-save-variables nnbabyl-server-variables))
-                   nnbabyl-server-alist)))
-    (let ((state (assoc server nnbabyl-server-alist)))
-      (if state 
-         (progn
-           (nnheader-restore-variables (nth 1 state))
-           (setq nnbabyl-server-alist (delq state nnbabyl-server-alist)))
-       (nnheader-set-init-variables nnbabyl-server-variables defs)))
-    (setq nnbabyl-current-server server)))
-
-(defun nnbabyl-close-server (&optional server)
+(deffoo nnbabyl-open-server (server &optional defs)
+  (nnoo-change-server 'nnbabyl server defs)
+  (nnbabyl-create-mbox)
+  (cond
+   ((not (file-exists-p nnbabyl-mbox-file))
+    (nnbabyl-close-server)
+    (nnheader-report 'nnbabyl "No such file: %s" nnbabyl-mbox-file))
+   ((file-directory-p nnbabyl-mbox-file)
+    (nnbabyl-close-server)
+    (nnheader-report 'nnbabyl "Not a regular file: %s" nnbabyl-mbox-file))
+   (t
+    (nnheader-report 'nnbabyl "Opened server %s using mbox %s" server
+                    nnbabyl-mbox-file)
+    t)))
+
+(deffoo nnbabyl-close-server (&optional server)
   ;; Restore buffer mode.
   (when (and (nnbabyl-server-opened)
             nnbabyl-previous-buffer-mode)
-    (save-excursion
-      (set-buffer nnbabyl-mbox-buffer)
+    (with-current-buffer nnbabyl-mbox-buffer
       (narrow-to-region
-       (car (car nnbabyl-previous-buffer-mode))
-       (cdr (car nnbabyl-previous-buffer-mode)))
+       (caar nnbabyl-previous-buffer-mode)
+       (cdar nnbabyl-previous-buffer-mode))
       (funcall (cdr nnbabyl-previous-buffer-mode))))
-  (setq nnbabyl-current-server nil
-       nnbabyl-mbox-buffer nil)
+  (nnoo-close-server 'nnbabyl server)
+  (setq nnbabyl-mbox-buffer nil)
   t)
 
-(defun nnbabyl-server-opened (&optional server)
-  (and (equal server nnbabyl-current-server)
+(deffoo nnbabyl-server-opened (&optional server)
+  (and (nnoo-current-server-p 'nnbabyl server)
        nnbabyl-mbox-buffer
        (buffer-name nnbabyl-mbox-buffer)
        nntp-server-buffer
        (buffer-name nntp-server-buffer)))
 
-(defun nnbabyl-status-message (&optional server)
-  nnbabyl-status-string)
-
-(defun nnbabyl-request-article (article &optional newsgroup server buffer)
-  (nnbabyl-possibly-change-newsgroup newsgroup)
-  (save-excursion
-    (set-buffer nnbabyl-mbox-buffer)
+(deffoo nnbabyl-request-article (article &optional newsgroup server buffer)
+  (nnbabyl-possibly-change-newsgroup newsgroup server)
+  (with-current-buffer nnbabyl-mbox-buffer
     (goto-char (point-min))
-    (if (search-forward (nnbabyl-article-string article) nil t)
-       (let (start stop summary-line)
-         (re-search-backward (concat "^" nnbabyl-mail-delimiter) nil t)
-         (while (and (not (looking-at ".+:"))
-                     (zerop (forward-line 1))))
-         (setq start (point))
-         (or (and (re-search-forward 
-                   (concat "^" nnbabyl-mail-delimiter) nil t)
-                  (forward-line -1))
-             (goto-char (point-max)))
-         (setq stop (point))
-         (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
-           (set-buffer nntp-server-buffer)
-           (erase-buffer)
-           (insert-buffer-substring nnbabyl-mbox-buffer start stop)
-           (goto-char (point-min))
-           ;; If there is an EOOH header, then we have to remove some
-           ;; duplicated headers. 
-           (setq summary-line (looking-at "Summary-line:"))
-           (when (search-forward "\n*** EOOH ***" nil t)
-             (if summary-line
-                 ;; The headers to be deleted are located before the
-                 ;; EOOH line...
-                 (delete-region (point-min) (progn (forward-line 1)
-                 (point)))
-               ;; ...or after.
-               (delete-region (progn (beginning-of-line) (point))
-                              (or (search-forward "\n\n" nil t)
-                                  (point)))))
-           (if (numberp article) 
-               (cons nnbabyl-current-group article)
-             (nnbabyl-article-group-number)))))))
-
-(defun nnbabyl-request-group (group &optional server dont-check)
+    (when (search-forward (nnbabyl-article-string article) nil t)
+      (let (start stop summary-line)
+       (unless (re-search-backward (concat "^" nnbabyl-mail-delimiter) nil t)
+         (goto-char (point-min))
+         (end-of-line))
+       (while (and (not (looking-at ".+:"))
+                   (zerop (forward-line 1))))
+       (setq start (point))
+       (or (when (re-search-forward
+                  (concat "^" nnbabyl-mail-delimiter) nil t)
+             (beginning-of-line)
+             t)
+           (goto-char (point-max)))
+       (setq stop (point))
+       (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
+         (set-buffer nntp-server-buffer)
+         (erase-buffer)
+         (insert-buffer-substring nnbabyl-mbox-buffer start stop)
+         (goto-char (point-min))
+         ;; If there is an EOOH header, then we have to remove some
+         ;; duplicated headers.
+         (setq summary-line (looking-at "Summary-line:"))
+         (when (search-forward "\n*** EOOH ***" nil t)
+           (if summary-line
+               ;; The headers to be deleted are located before the
+               ;; EOOH line...
+               (delete-region (point-min) (progn (forward-line 1)
+                                                 (point)))
+             ;; ...or after.
+             (delete-region (progn (beginning-of-line) (point))
+                            (or (search-forward "\n\n" nil t)
+                                (point)))))
+         (if (numberp article)
+             (cons nnbabyl-current-group article)
+           (nnbabyl-article-group-number)))))))
+
+(deffoo nnbabyl-request-group (group &optional server dont-check info)
   (let ((active (cadr (assoc group nnbabyl-group-alist))))
     (save-excursion
-      (cond 
-       ((null (nnbabyl-possibly-change-newsgroup group))
+      (cond
+       ((or (null active)
+           (null (nnbabyl-possibly-change-newsgroup group server)))
        (nnheader-report 'nnbabyl "No such group: %s" group))
        (dont-check
        (nnheader-report 'nnbabyl "Selected group %s" group)
-       t)
-       ((> (car active) (cdr active))
-       (nnheader-report 'nnbabyl "Empty group %s" group))
+       (nnheader-insert ""))
        (t
        (nnheader-report 'nnbabyl "Selected group %s" group)
-       (save-excursion
-         (set-buffer nntp-server-buffer)
-         (erase-buffer)
-         (insert (format "211 %d %d %d %s\n" 
-                         (1+ (- (cdr (car (cdr active)))
-                                (car (car (cdr active)))))
-                         (car (car (cdr active)))
-                         (cdr (car (cdr active)))
-                         (car active))))
-       t)))))
-
-(defun nnbabyl-request-scan (&optional group server)
+       (nnheader-insert "211 %d %d %d %s\n"
+                        (1+ (- (cdr active) (car active)))
+                        (car active) (cdr active) group))))))
+
+(deffoo nnbabyl-request-scan (&optional group server)
+  (nnbabyl-possibly-change-newsgroup group server)
   (nnbabyl-read-mbox)
-  (nnmail-get-new-mail 
-   'nnbabyl 
+  (nnmail-get-new-mail
+   'nnbabyl
    (lambda ()
-     (save-excursion
-       (set-buffer nnbabyl-mbox-buffer)
+     (with-current-buffer nnbabyl-mbox-buffer
        (save-buffer)))
-   nnbabyl-mbox-file group
+   (file-name-directory nnbabyl-mbox-file)
+   group
    (lambda ()
      (save-excursion
        (let ((in-buf (current-buffer)))
         (goto-char (point-max))
         (search-backward "\n\^_" nil t)
         (goto-char (match-end 0))
-        (insert-buffer-substring in-buf))))))
+        (insert-buffer-substring in-buf)))
+     (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file))))
 
-(defun nnbabyl-close-group (group &optional server)
+(deffoo nnbabyl-close-group (group &optional server)
   t)
 
-(defun nnbabyl-request-create-group (group &optional server) 
+(deffoo nnbabyl-request-create-group (group &optional server args)
   (nnmail-activate 'nnbabyl)
-  (or (assoc group nnbabyl-group-alist)
-      (let (active)
-       (setq nnbabyl-group-alist (cons (list group (setq active (cons 1 0)))
-                                       nnbabyl-group-alist))
-       (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)))
+  (unless (assoc group nnbabyl-group-alist)
+    (push (list group (cons 1 0))
+         nnbabyl-group-alist)
+    (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file))
   t)
 
-(defun nnbabyl-request-list (&optional server)
+(deffoo nnbabyl-request-list (&optional server)
   (save-excursion
-    (or (nnmail-find-file nnbabyl-active-file)
-       (progn
-         (setq nnbabyl-group-alist (nnmail-get-active))
-         (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)
-         (nnmail-find-file nnbabyl-active-file)))))
+    (nnmail-find-file nnbabyl-active-file)
+    (setq nnbabyl-group-alist (nnmail-get-active))
+    t))
 
-(defun nnbabyl-request-newgroups (date &optional server)
+(deffoo nnbabyl-request-newgroups (date &optional server)
   (nnbabyl-request-list server))
 
-(defun nnbabyl-request-list-newsgroups (&optional server)
-  (setq nnbabyl-status-string "nnbabyl: LIST NEWSGROUPS is not implemented.")
-  nil)
+(deffoo nnbabyl-request-list-newsgroups (&optional server)
+  (nnheader-report 'nnbabyl "nnbabyl: LIST NEWSGROUPS is not implemented."))
 
-(defun nnbabyl-request-post (&optional server)
-  (mail-send-and-exit nil))
-
-(defun nnbabyl-request-expire-articles
-  (articles newsgroup &optional server force)
-  (nnbabyl-possibly-change-newsgroup newsgroup)
+(deffoo nnbabyl-request-expire-articles
+    (articles newsgroup &optional server force)
+  (nnbabyl-possibly-change-newsgroup newsgroup server)
   (let* ((is-old t)
         rest)
     (nnmail-activate 'nnbabyl)
 
-    (save-excursion 
-      (set-buffer nnbabyl-mbox-buffer)
+    (with-current-buffer nnbabyl-mbox-buffer
       (set-text-properties (point-min) (point-max) nil)
       (while (and articles is-old)
        (goto-char (point-min))
-       (if (search-forward (nnbabyl-article-string (car articles)) nil t)
-           (if (setq is-old
-                     (nnmail-expired-article-p
-                      newsgroup
-                      (buffer-substring 
-                       (point) (progn (end-of-line) (point))) force))
-               (progn
-                 (nnheader-message 5 "Deleting article %d in %s..." 
-                                   (car articles) newsgroup)
-                 (nnbabyl-delete-mail))
-             (setq rest (cons (car articles) rest))))
+       (when (search-forward (nnbabyl-article-string (car articles)) nil t)
+         (if (setq is-old
+                   (nnmail-expired-article-p
+                    newsgroup
+                    (buffer-substring
+                     (point) (progn (end-of-line) (point))) force))
+             (progn
+               (unless (eq nnmail-expiry-target 'delete)
+                 (with-temp-buffer
+                   (nnbabyl-request-article (car articles)
+                                            newsgroup server
+                                            (current-buffer))
+                   (let ((nnml-current-directory nil))
+                     (nnmail-expiry-target-group
+                      nnmail-expiry-target newsgroup)))
+                 (nnbabyl-possibly-change-newsgroup newsgroup server))
+               (nnheader-message 5 "Deleting article %d in %s..."
+                                 (car articles) newsgroup)
+               (nnbabyl-delete-mail))
+           (push (car articles) rest)))
        (setq articles (cdr articles)))
       (save-buffer)
       ;; Find the lowest active article in this group.
       (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file)
       (nconc rest articles))))
 
-(defun nnbabyl-request-move-article 
-  (article group server accept-form &optional last)
-  (nnbabyl-possibly-change-newsgroup group)
+(deffoo nnbabyl-request-move-article
+    (article group server accept-form &optional last move-is-internal)
   (let ((buf (get-buffer-create " *nnbabyl move*"))
        result)
-    (and 
+    (and
      (nnbabyl-request-article article group server)
-     (save-excursion
-       (set-buffer buf)
+     (with-current-buffer buf
        (insert-buffer-substring nntp-server-buffer)
        (goto-char (point-min))
-       (if (re-search-forward 
-           "^X-Gnus-Newsgroup:" 
-           (save-excursion (search-forward "\n\n" nil t) (point)) t)
-          (delete-region (progn (beginning-of-line) (point))
-                         (progn (forward-line 1) (point))))
+       (while (re-search-forward
+              "^X-Gnus-Newsgroup:"
+              (save-excursion (search-forward "\n\n" nil t) (point)) t)
+        (delete-region (point-at-bol) (progn (forward-line 1) (point))))
        (setq result (eval accept-form))
        (kill-buffer (current-buffer))
        result)
      (save-excursion
+       (nnbabyl-possibly-change-newsgroup group server)
        (set-buffer nnbabyl-mbox-buffer)
        (goto-char (point-min))
        (if (search-forward (nnbabyl-article-string article) nil t)
        (and last (save-buffer))))
     result))
 
-(defun nnbabyl-request-accept-article (group &optional last)
+(deffoo nnbabyl-request-accept-article (group &optional server last)
+  (nnbabyl-possibly-change-newsgroup group server)
+  (nnmail-check-syntax)
   (let ((buf (current-buffer))
        result beg)
-    (and 
+    (and
      (nnmail-activate 'nnbabyl)
      (save-excursion
        (goto-char (point-min))
        (save-excursion
         (while (re-search-backward "^X-Gnus-Newsgroup: " beg t)
           (delete-region (point) (progn (forward-line 1) (point)))))
-       (let ((nnmail-split-methods
-             (if (stringp group) (list (list group "")) 
-               nnmail-split-methods)))
-        (setq result (car (nnbabyl-save-mail))))
+       (when nnmail-cache-accepted-message-ids
+        (nnmail-cache-insert (nnmail-fetch-field "message-id")
+                             group
+                             (nnmail-fetch-field "subject")
+                             (nnmail-fetch-field "from")))
+       (setq result
+            (if (stringp group)
+                (list (cons group (nnbabyl-active-number group)))
+              (nnmail-article-group 'nnbabyl-active-number)))
+       (if (and (null result)
+               (yes-or-no-p "Moved to `junk' group; delete article? "))
+          (setq result 'junk)
+        (setq result (car (nnbabyl-save-mail result))))
        (set-buffer nnbabyl-mbox-buffer)
        (goto-char (point-max))
        (search-backward "\n\^_")
        (goto-char (match-end 0))
        (insert-buffer-substring buf)
-       (and last (progn 
-                  (save-buffer)
-                  (nnmail-save-active
-                   nnbabyl-group-alist nnbabyl-active-file)))
+       (when last
+        (when nnmail-cache-accepted-message-ids
+          (nnmail-cache-insert (nnmail-fetch-field "message-id")
+                               group
+                               (nnmail-fetch-field "subject")
+                               (nnmail-fetch-field "from")))
+        (save-buffer)
+        (nnmail-save-active nnbabyl-group-alist nnbabyl-active-file))
        result))))
 
-(defun nnbabyl-request-replace-article (article group buffer)
+(deffoo nnbabyl-request-replace-article (article group buffer)
   (nnbabyl-possibly-change-newsgroup group)
-  (save-excursion
-    (set-buffer nnbabyl-mbox-buffer)
+  (with-current-buffer nnbabyl-mbox-buffer
     (goto-char (point-min))
     (if (not (search-forward (nnbabyl-article-string article) nil t))
        nil
       (save-buffer)
       t)))
 
-(defun nnbabyl-request-delete-group (group &optional force server)
-  (nnbabyl-possibly-change-newsgroup group)
+(def