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Diffstat (limited to 'lisp/gnus-uu.el')
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diff --git a/lisp/gnus-uu.el b/lisp/gnus-uu.el new file mode 100644 index 00000000000..9ccba3de9ae --- /dev/null +++ b/lisp/gnus-uu.el @@ -0,0 +1,1889 @@ +;;; gnus-uu.el --- extract (uu)encoded files in Gnus +;; Copyright (C) 1985,86,87,93,94,95 Free Software Foundation, Inc. + +;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> +;; Created: 2 Oct 1993 +;; Version: v3.0 +;; Keyword: news + +;; This file is part of GNU Emacs. + +;; 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. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; 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, 675 Mass Ave, Cambridge, MA 02139, USA. + +;;; Commentary: + +;;; Code: + +(require 'gnus) +(require 'gnus-msg) + +;; Default viewing action rules + +(defvar gnus-uu-default-view-rules + '(("\\.te?xt$\\|\\.doc$\\|read.*me\\|\\.c?$\\|\\.h$\\|\\.bat$\\|\\.asm$\\|makefile" "cat %s | sed s/\r//g") + ("\\.pas$" "cat %s | sed s/\r//g") + ("\\.[1-9]$" "groff -mandoc -Tascii %s | sed s/\b.//g") + ("\\.\\(jpe?g\\|gif\\|tiff?\\|p[pgb]m\\|xwd\\|xbm\\|pcx\\)$" "xv") + ("\\.tga$" "tgatoppm %s | xv -") + ("\\.\\(wav\\|aiff\\|hcom\\|u[blw]\\|s[bfw]\\|voc\\|smp\\)$" + "sox -v .5 %s -t .au -u - > /dev/audio") + ("\\.au$" "cat %s > /dev/audio") + ("\\.mod$" "str32") + ("\\.ps$" "ghostview") + ("\\.dvi$" "xdvi") + ("\\.html$" "xmosaic") + ("\\.mpe?g$" "mpeg_play") + ("\\.\\(flc\\|fli\\|rle\\|iff\\|pfx\\|avi\\|sme\\|rpza\\|dl\\|qt\\|rsrc\\|mov\\)$" "xanim") + ("\\.\\(tar\\|arj\\|zip\\|zoo\\|arc\\|gz\\|Z\\|lzh\\|ar\\|lha\\)$" + "gnus-uu-archive")) + "*Default actions to be taken when the user asks to view a file. +To change the behaviour, you can either edit this variable or set +`gnus-uu-user-view-rules' to something useful. + +For example: + +To make gnus-uu use 'xli' to display JPEG and GIF files, put the +following in your .emacs file: + + (setq gnus-uu-user-view-rules '((\"jpg$\\\\|gif$\" \"xli\"))) + +Both these variables are lists of lists with two string elements. The +first string is a regular expression. If the file name matches this +regular expression, the command in the second string is executed with +the file as an argument. + +If the command string contains \"%s\", the file name will be inserted +at that point in the command string. If there's no \"%s\" in the +command string, the file name will be appended to the command string +before executing. + +There are several user variables to tailor the behaviour of gnus-uu to +your needs. First we have `gnus-uu-user-view-rules', which is the +variable gnus-uu first consults when trying to decide how to view a +file. If this variable contains no matches, gnus-uu examines the +default rule variable provided in this package. If gnus-uu finds no +match here, it uses `gnus-uu-user-view-rules-end' to try to make a +match.") + +(defvar gnus-uu-user-view-rules nil + "*Variable detailing what actions are to be taken to view a file. +See the documentation on the `gnus-uu-default-view-rules' variable for +details.") + +(defvar gnus-uu-user-view-rules-end + '(("" "file")) + "*Variable saying what actions are to be taken if no rule matched the file name. +See the documentation on the `gnus-uu-default-view-rules' variable for +details.") + +;; Default unpacking commands + +(defvar gnus-uu-default-archive-rules + '(("\\.tar$" "tar xf") + ("\\.zip$" "unzip -o") + ("\\.ar$" "ar x") + ("\\.arj$" "unarj x") + ("\\.zoo$" "zoo -e") + ("\\.\\(lzh\\|lha\\)$" "lha x") + ("\\.Z$" "uncompress") + ("\\.gz$" "gunzip") + ("\\.arc$" "arc -x"))) + +(defvar gnus-uu-destructive-archivers + (list "uncompress" "gunzip")) + +(defvar gnus-uu-user-archive-rules nil + "*A list that can be set to override the default archive unpacking commands. +To use, for instance, 'untar' to unpack tar files and 'zip -x' to +unpack zip files, say the following: + (setq gnus-uu-user-archive-rules + '((\"\\\\.tar$\" \"untar\") + (\"\\\\.zip$\" \"zip -x\")))") + +(defvar gnus-uu-ignore-files-by-name nil + "*A regular expression saying what files should not be viewed based on name. +If, for instance, you want gnus-uu to ignore all .au and .wav files, +you could say something like + + (setq gnus-uu-ignore-files-by-name \"\\\\.au$\\\\|\\\\.wav$\") + +Note that this variable can be used in conjunction with the +`gnus-uu-ignore-files-by-type' variable.") + +(defvar gnus-uu-ignore-files-by-type nil + "*A regular expression saying what files that shouldn't be viewed, based on MIME file type. +If, for instance, you want gnus-uu to ignore all audio files and all mpegs, +you could say something like + + (setq gnus-uu-ignore-files-by-type \"audio/\\\\|video/mpeg\") + +Note that this variable can be used in conjunction with the +`gnus-uu-ignore-files-by-name' variable.") + +;; Pseudo-MIME support + +(defconst gnus-uu-ext-to-mime-list + '(("\\.gif$" "image/gif") + ("\\.jpe?g$" "image/jpeg") + ("\\.tiff?$" "image/tiff") + ("\\.xwd$" "image/xwd") + ("\\.pbm$" "image/pbm") + ("\\.pgm$" "image/pgm") + ("\\.ppm$" "image/ppm") + ("\\.xbm$" "image/xbm") + ("\\.pcx$" "image/pcx") + ("\\.tga$" "image/tga") + ("\\.ps$" "image/postscript") + ("\\.fli$" "video/fli") + ("\\.wav$" "audio/wav") + ("\\.aiff$" "audio/aiff") + ("\\.hcom$" "audio/hcom") + ("\\.voc$" "audio/voc") + ("\\.smp$" "audio/smp") + ("\\.mod$" "audio/mod") + ("\\.dvi$" "image/dvi") + ("\\.mpe?g$" "video/mpeg") + ("\\.au$" "audio/basic") + ("\\.\\(te?xt\\|doc\\|c\\|h\\)$" "text/plain") + ("\\.\\(c\\|h\\)$" "text/source") + ("read.*me" "text/plain") + ("\\.html$" "text/html") + ("\\.bat$" "text/bat") + ("\\.[1-6]$" "text/man") + ("\\.flc$" "video/flc") + ("\\.rle$" "video/rle") + ("\\.pfx$" "video/pfx") + ("\\.avi$" "video/avi") + ("\\.sme$" "video/sme") + ("\\.rpza$" "video/prza") + ("\\.dl$" "video/dl") + ("\\.qt$" "video/qt") + ("\\.rsrc$" "video/rsrc") + ("\\..*$" "unknown/unknown"))) + +;; Various variables users may set + +(defvar gnus-uu-tmp-dir "/tmp/" + "*Variable saying where gnus-uu is to do its work. +Default is \"/tmp/\".") + +(defvar gnus-uu-do-not-unpack-archives nil + "*Non-nil means that gnus-uu won't peek inside archives looking for files to dispay. +Default is nil.") + +(defvar gnus-uu-view-and-save nil + "*Non-nil means that the user will always be asked to save a file after viewing it. +If the variable is nil, the user will only be asked to save if the +viewing is unsuccessful. Default is nil.") + +(defvar gnus-uu-ignore-default-view-rules nil + "*Non-nil means that gnus-uu will ignore the default viewing rules. +Only the user viewing rules will be consulted. Default is nil.") + +(defvar gnus-uu-ignore-default-archive-rules nil + "*Non-nil means that gnus-uu will ignore the default archive unpacking commands. +Only the user unpacking commands will be consulted. Default is nil.") + +(defvar gnus-uu-kill-carriage-return t + "*Non-nil means that gnus-uu will strip all carriage returns from articles. +Default is t.") + +(defvar gnus-uu-view-with-metamail nil + "*Non-nil means that files will be viewed with metamail. +The gnus-uu viewing functions will be ignored and gnus-uu will try +to guess at a content-type based on file name suffixes. Default +it nil.") + +(defvar gnus-uu-unmark-articles-not-decoded nil + "*Non-nil means that gnus-uu will mark articles that were unsuccessfully decoded as unread. +Default is nil.") + +(defvar gnus-uu-correct-stripped-uucode nil + "*Non-nil means that gnus-uu will *try* to fix uuencoded files that have had trailing spaces deleted. +Default is nil.") + +(defvar gnus-uu-save-in-digest nil + "*Non-nil means that gnus-uu, when asked to save without decoding, will save in digests. +If this variable is nil, gnus-uu will just save everything in a +file without any embellishments. The digesting almost conforms to RFC1153 - +no easy way to specify any meaningful volume and issue numbers were found, +so I simply dropped them.") + +(defvar gnus-uu-digest-headers + '("^Date:" "^From:" "^To:" "^Cc:" "^Subject:" "^Message-ID:" "^Keywords:" + "^Summary:" "^References:") + "*List of regexps to match headers included in digested messages. +The headers will be included in the sequence they are matched.") + +(defvar gnus-uu-save-separate-articles nil + "*Non-nil means that gnus-uu will save articles in separate files.") + +;; Internal variables + +(defvar gnus-uu-saved-article-name nil) + +(defconst gnus-uu-begin-string "^begin[ \t]+[0-7][0-7][0-7][ \t]+\\(.*\\)$") +(defconst gnus-uu-end-string "^end[ \t]*$") + +(defconst gnus-uu-body-line "^M") +(let ((i 61)) + (while (> (setq i (1- i)) 0) + (setq gnus-uu-body-line (concat gnus-uu-body-line "[^a-z]"))) + (setq gnus-uu-body-line (concat gnus-uu-body-line ".?$"))) + +;"^M.............................................................?$" + +(defconst gnus-uu-shar-begin-string "^#! */bin/sh") + +(defvar gnus-uu-shar-file-name nil) +(defconst gnus-uu-shar-name-marker "begin [0-7][0-7][0-7][ \t]+\\(\\(\\w\\|\\.\\)*\\b\\)") + +(defconst gnus-uu-postscript-begin-string "^%!PS-") +(defconst gnus-uu-postscript-end-string "^%%EOF$") + +(defvar gnus-uu-file-name nil) +(defconst gnus-uu-uudecode-process nil) +(defvar gnus-uu-binhex-article-name nil) + +(defvar gnus-uu-generated-file-list nil) +(defvar gnus-uu-work-dir nil) + +(defconst gnus-uu-output-buffer-name " *Gnus UU Output*") + +(defvar gnus-uu-default-dir default-directory) + +;; Keymaps + +(defvar gnus-uu-extract-map nil) +(defvar gnus-uu-extract-view-map nil) +(defvar gnus-uu-mark-map nil) + +(define-prefix-command 'gnus-uu-mark-map) +(define-key gnus-summary-mark-map "P" 'gnus-uu-mark-map) +(define-key gnus-uu-mark-map "p" 'gnus-summary-mark-as-processable) +(define-key gnus-uu-mark-map "u" 'gnus-summary-unmark-as-processable) +(define-key gnus-uu-mark-map "U" 'gnus-summary-unmark-all-processable) +(define-key gnus-uu-mark-map "s" 'gnus-uu-mark-series) +(define-key gnus-uu-mark-map "r" 'gnus-uu-mark-region) +(define-key gnus-uu-mark-map "R" 'gnus-uu-mark-by-regexp) +(define-key gnus-uu-mark-map "t" 'gnus-uu-mark-thread) +(define-key gnus-uu-mark-map "a" 'gnus-uu-mark-all) +(define-key gnus-uu-mark-map "S" 'gnus-uu-mark-sparse) + +(define-prefix-command 'gnus-uu-extract-map) +(define-key gnus-summary-mode-map "X" 'gnus-uu-extract-map) +;;(define-key gnus-uu-extract-map "x" 'gnus-uu-extract-any) +;;(define-key gnus-uu-extract-map "m" 'gnus-uu-extract-mime) +(define-key gnus-uu-extract-map "u" 'gnus-uu-decode-uu) +(define-key gnus-uu-extract-map "U" 'gnus-uu-decode-uu-and-save) +(define-key gnus-uu-extract-map "s" 'gnus-uu-decode-unshar) +(define-key gnus-uu-extract-map "S" 'gnus-uu-decode-unshar-and-save) +(define-key gnus-uu-extract-map "o" 'gnus-uu-decode-save) +(define-key gnus-uu-extract-map "O" 'gnus-uu-decode-save) +(define-key gnus-uu-extract-map "b" 'gnus-uu-decode-binhex) +(define-key gnus-uu-extract-map "B" 'gnus-uu-decode-binhex) +(define-key gnus-uu-extract-map "p" 'gnus-uu-decode-postscript) +(define-key gnus-uu-extract-map "P" 'gnus-uu-decode-postscript-and-save) + +(define-prefix-command 'gnus-uu-extract-view-map) +(define-key gnus-uu-extract-map "v" 'gnus-uu-extract-view-map) +(define-key gnus-uu-extract-view-map "u" 'gnus-uu-decode-uu-view) +(define-key gnus-uu-extract-view-map "U" 'gnus-uu-decode-uu-and-save-view) +(define-key gnus-uu-extract-view-map "s" 'gnus-uu-decode-unshar-view) +(define-key gnus-uu-extract-view-map "S" 'gnus-uu-decode-unshar-and-save-view) +(define-key gnus-uu-extract-view-map "o" 'gnus-uu-decode-save-view) +(define-key gnus-uu-extract-view-map "O" 'gnus-uu-decode-save-view) +(define-key gnus-uu-extract-view-map "b" 'gnus-uu-decode-binhex-view) +(define-key gnus-uu-extract-view-map "B" 'gnus-uu-decode-binhex-view) +(define-key gnus-uu-extract-view-map "p" 'gnus-uu-decode-postscript-view) +(define-key gnus-uu-extract-view-map "P" 'gnus-uu-decode-postscript-and-save-view) + + + +;; Commands. + +(defun gnus-uu-decode-uu (n) + "Uudecodes the current article." + (interactive "P") + (gnus-uu-decode-with-method 'gnus-uu-uustrip-article n)) + +(defun gnus-uu-decode-uu-and-save (n dir) + "Decodes and saves the resulting file." + (interactive + (list current-prefix-arg + (file-name-as-directory + (read-file-name "Uudecode and save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir t)))) + (gnus-uu-decode-with-method 'gnus-uu-uustrip-article n dir)) + +(defun gnus-uu-decode-unshar (n) + "Unshars the current article." + (interactive "P") + (gnus-uu-decode-with-method 'gnus-uu-unshar-article n nil nil 'scan)) + +(defun gnus-uu-decode-unshar-and-save (n dir) + "Unshars and saves the current article." + (interactive + (list current-prefix-arg + (file-name-as-directory + (read-file-name "Unshar and save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir t)))) + (gnus-uu-decode-with-method 'gnus-uu-unshar-article n dir nil 'scan)) + +(defun gnus-uu-decode-save (n file) + "Saves the current article." + (interactive + (list current-prefix-arg + (read-file-name + (if gnus-uu-save-separate-articles + "Save articles is dir: " + "Save articles in file: ") + gnus-uu-default-dir + gnus-uu-default-dir))) + (setq gnus-uu-saved-article-name file) + (gnus-uu-decode-with-method 'gnus-uu-save-article n nil t) + (setq gnus-uu-generated-file-list + (delete file gnus-uu-generated-file-list))) + +(defun gnus-uu-decode-binhex (n dir) + "Unbinhexes the current article." + (interactive + (list current-prefix-arg + (file-name-as-directory + (read-file-name "Unbinhex and save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir)))) + (setq gnus-uu-binhex-article-name + (make-temp-name (concat gnus-uu-work-dir "binhex"))) + (gnus-uu-decode-with-method 'gnus-uu-binhex-article n dir)) + +(defun gnus-uu-decode-uu-view (n) + "Uudecodes and views the current article." + (interactive "P") + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-uu n))) + +(defun gnus-uu-decode-uu-and-save-view (n dir) + "Decodes, views and saves the resulting file." + (interactive + (list current-prefix-arg + (read-file-name "Uudecode, view and save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir t))) + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-uu-and-save n dir))) + +(defun gnus-uu-decode-unshar-view (n) + "Unshars and views the current article." + (interactive "P") + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-unshar n))) + +(defun gnus-uu-decode-unshar-and-save-view (n dir) + "Unshars and saves the current article." + (interactive + (list current-prefix-arg + (read-file-name "Unshar, view and save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir t))) + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-unshar-and-save n dir))) + +(defun gnus-uu-decode-save-view (n file) + "Saves and views the current article." + (interactive + (list current-prefix-arg + (read-file-name (if gnus-uu-save-separate-articles + "Save articles is dir: " + "Save articles in file: ") + gnus-uu-default-dir gnus-uu-default-dir))) + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-save n file))) + +(defun gnus-uu-decode-binhex-view (n file) + "Unbinhexes and views the current article." + (interactive + (list current-prefix-arg + (read-file-name "Unbinhex, view and save in dir: " + gnus-uu-default-dir gnus-uu-default-dir))) + (setq gnus-uu-binhex-article-name + (make-temp-name (concat gnus-uu-work-dir "binhex"))) + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-binhex n file))) + + +;; Digest and forward articles + +(defun gnus-uu-digest-mail-forward (n &optional post) + "Digests and forwards all articles in this series." + (interactive "P") + (let ((gnus-uu-save-in-digest t) + (file (make-temp-name (concat gnus-uu-tmp-dir "forward"))) + buf) + (gnus-uu-decode-save n file) + (gnus-uu-add-file file) + (setq buf (switch-to-buffer (get-buffer-create " *gnus-uu-forward*"))) + (gnus-add-current-to-buffer-list) + (erase-buffer) + (delete-other-windows) + (insert-file file) + (goto-char (point-min)) + (and (re-search-forward "^Subject: ") + (progn + (delete-region (point) (gnus-point-at-eol)) + (insert "Digested Articles"))) + (goto-char (point-min)) + (and (re-search-forward "^From: ") + (progn + (delete-region (point) (gnus-point-at-eol)) + (insert "Various"))) + (if post + (gnus-forward-using-post) + (funcall gnus-mail-forward-method)) + (delete-file file) + (kill-buffer buf))) + +(defun gnus-uu-digest-post-forward (n) + "Digest and forward to a newsgroup." + (interactive "P") + (gnus-uu-digest-mail-forward n t)) + +;; Process marking. + +(defun gnus-uu-mark-by-regexp (regexp) + "Ask for a regular expression and set the process mark on all articles that match." + (interactive (list (read-from-minibuffer "Mark (regexp): "))) + (gnus-set-global-variables) + (let ((articles (gnus-uu-find-articles-matching regexp))) + (while articles + (gnus-summary-set-process-mark (car articles)) + (setq articles (cdr articles))) + (message "")) + (gnus-summary-position-cursor)) + +(defun gnus-uu-mark-series () + "Mark the current series with the process mark." + (interactive) + (gnus-set-global-variables) + (let ((articles (gnus-uu-find-articles-matching))) + (while articles + (gnus-summary-set-process-mark (car articles)) + (setq articles (cdr articles))) + (message "")) + (gnus-summary-position-cursor)) + +(defun gnus-uu-mark-region (beg end) + "Marks all articles between point and mark." + (interactive "r") + (gnus-set-global-variables) + (save-excursion + (goto-char beg) + (while (< (point) end) + (gnus-summary-set-process-mark (gnus-summary-article-number)) + (forward-line 1))) + (gnus-summary-position-cursor)) + +(defun gnus-uu-mark-thread () + "Marks all articles downwards in this thread." + (interactive) + (gnus-set-global-variables) + (let ((level (gnus-summary-thread-level))) + (while (and (gnus-summary-set-process-mark (gnus-summary-article-number)) + (zerop (gnus-summary-next-subject 1)) + (> (gnus-summary-thread-level) level)))) + (gnus-summary-position-cursor)) + +(defun gnus-uu-mark-sparse () + "Mark all series that have some articles marked." + (interactive) + (gnus-set-global-variables) + (let ((marked (nreverse gnus-newsgroup-processable)) + subject articles total headers) + (or marked (error "No articles marked with the process mark")) + (setq gnus-newsgroup-processable nil) + (save-excursion + (while marked + (and (setq headers (gnus-get-header-by-number (car marked))) + (setq subject (mail-header-subject headers) + articles (gnus-uu-find-articles-matching + (gnus-uu-reginize-string subject)) + total (nconc total articles))) + (while articles + (gnus-summary-set-process-mark (car articles)) + (setcdr marked (delq (car articles) (cdr marked))) + (setq articles (cdr articles))) + (setq marked (cdr marked))) + (setq gnus-newsgroup-processable (nreverse total))) + (gnus-summary-position-cursor))) + +(defun gnus-uu-mark-all () + "Mark all articles in \"series\" order." + (interactive) + (gnus-set-global-variables) + (setq gnus-newsgroup-processable nil) + (save-excursion + (goto-char (point-min)) + (let (number) + (while (and (not (eobp)) + (setq number (gnus-summary-article-number))) + (if (not (memq number gnus-newsgroup-processable)) + (save-excursion (gnus-uu-mark-series))) + (forward-line 1)))) + (gnus-summary-position-cursor)) + +;; All PostScript functions written by Erik Selberg <speed@cs.washington.edu>. + +(defun gnus-uu-decode-postscript (n) + "Gets postscript of the current article." + (interactive "P") + (gnus-uu-decode-with-method 'gnus-uu-decode-postscript-article n)) + +(defun gnus-uu-decode-postscript-view (n) + "Gets and views the current article." + (interactive "P") + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-postscript n))) + +(defun gnus-uu-decode-postscript-and-save (n dir) + "Extracts postscript and saves the current article." + (interactive + (list current-prefix-arg + (file-name-as-directory + (read-file-name "Save in dir: " + gnus-uu-default-dir + gnus-uu-default-dir t)))) + (gnus-uu-decode-with-method 'gnus-uu-decode-postscript-article n dir)) + + +(defun gnus-uu-decode-postscript-and-save-view (n dir) + "Decodes, views and saves the resulting file." + (interactive + (list current-prefix-arg + (read-file-name "Where do you want to save the file(s)? " + gnus-uu-default-dir + gnus-uu-default-dir t))) + (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) + (gnus-uu-decode-postscript-and-save n dir))) + + +;; Internal functions. + +(defun gnus-uu-decode-with-method (method n &optional save not-insert scan) + (gnus-uu-initialize scan) + (if save (setq gnus-uu-default-dir save)) + (let ((articles (gnus-uu-get-list-of-articles n)) + files) + (setq files (gnus-uu-grab-articles articles method t)) + (let ((gnus-current-article (car articles))) + (and scan (setq files (gnus-uu-scan-directory gnus-uu-work-dir)))) + (and save (gnus-uu-save-files files save)) + (setq files (gnus-uu-unpack-files files)) + (gnus-uu-add-file (mapcar (lambda (file) (cdr (assq 'name file))) files)) + (setq files (nreverse (gnus-uu-get-actions files))) + (or not-insert (gnus-summary-insert-pseudos files save)))) + +;; Return a list of files in dir. +(defun gnus-uu-scan-directory (dir) + (let ((files (directory-files dir t)) + dirs out) + (while files + (cond ((string-match "/\\.\\.?$" (car files))) + ((file-directory-p (car files)) + (setq dirs (cons (car files) dirs))) + (t (setq out (cons (list (cons 'name (car files)) + (cons 'article gnus-current-article)) + out)))) + (setq files (cdr files))) + (apply 'nconc out (mapcar (lambda (d) (gnus-uu-scan-directory d)) + dirs)))) + +(defun gnus-uu-save-files (files dir) + (let ((len (length files)) + to-file file) + (while files + (and + (setq file (cdr (assq 'name (car files)))) + (file-exists-p file) + (progn + (setq to-file (if (file-directory-p dir) + (concat dir (file-name-nondirectory file)) + dir)) + (and (or (not (file-exists-p to-file)) + (gnus-y-or-n-p (format "%s exists; overwrite? " + to-file))) + (copy-file file to-file t t)))) + (setq files (cdr files))) + (message "Saved %d file%s" len (if (> len 1) "s" "")))) + +;; Functions for saving and possibly digesting articles without +;; any decoding. + +;; Function called by gnus-uu-grab-articles to treat each article. +(defun gnus-uu-save-article (buffer in-state) + (cond + (gnus-uu-save-separate-articles + (save-excursion + (set-buffer buffer) + (write-region 1 (point-max) (concat gnus-uu-saved-article-name + gnus-current-article)) + (cond ((eq in-state 'first) (list gnus-uu-saved-article-name 'begin)) + ((eq in-state 'first-and-last) (list gnus-uu-saved-article-name + 'begin 'end)) + ((eq in-state 'last) (list 'end)) + (t (list 'middle))))) + ((not gnus-uu-save-in-digest) + (save-excursion + (set-buffer buffer) + (write-region 1 (point-max) gnus-uu-saved-article-name t) + (cond ((eq in-state 'first) (list gnus-uu-saved-article-name 'begin)) + ((eq in-state 'first-and-last) (list gnus-uu-saved-article-name + 'begin 'end)) + ((eq in-state 'last) (list 'end)) + (t (list 'middle))))) + (t + (let ((name (file-name-nondirectory gnus-uu-saved-article-name)) + beg subj headers headline sorthead body end-string state) + (if (or (eq in-state 'first) + (eq in-state 'first-and-last)) + (progn + (setq state (list 'begin)) + (save-excursion (set-buffer (get-buffer-create "*gnus-uu-body*")) + (erase-buffer)) + (save-excursion + (set-buffer (get-buffer-create "*gnus-uu-pre*")) + (erase-buffer) + (insert (format + "Date: %s\nFrom: %s\nSubject: %s Digest\n\nTopics:\n" + (current-time-string) name name)))) + (if (not (eq in-state 'end)) + (setq state (list 'middle)))) + (save-excursion + (set-buffer (get-buffer "*gnus-uu-body*")) + (goto-char (setq beg (point-max))) + (save-excursion + (save-restriction + (set-buffer buffer) + (let (buffer-read-only) + (set-text-properties (point-min) (point-max) nil) + ;; These two are necessary for XEmacs 19.12 fascism. + (put-text-property (point-min) (point-max) 'invisible nil) + (put-text-property (point-min) (point-max) 'intangible nil)) + (goto-char (point-min)) + (re-search-forward "\n\n") + (setq body (buffer-substring (1- (point)) (point-max))) + (narrow-to-region 1 (point)) + (if (not (setq headers gnus-uu-digest-headers)) + (setq sorthead (buffer-substring (point-min) (point-max))) + (while headers + (setq headline (car headers)) + (setq headers (cdr headers)) + (goto-char (point-min)) + (if (re-search-forward headline nil t) + (setq sorthead + (concat sorthead + (buffer-substring + (match-beginning 0) + (or (and (re-search-forward "^[^ \t]" nil t) + (1- (point))) + (progn (forward-line 1) (point))))))))) + (widen))) + (insert sorthead)(goto-char (point-max)) + (insert body)(goto-char (point-max)) + (insert (concat "\n" (make-string 30 ?-) "\n\n")) + (goto-char beg) + (if (re-search-forward "^Subject: \\(.*\\)$" nil t) + (progn + (setq subj (buffer-substring (match-beginning 1) (match-end 1))) + (save-excursion + (set-buffer (get-buffer "*gnus-uu-pre*")) + (insert (format " %s\n" subj)))))) + (if (or (eq in-state 'last) + (eq in-state 'first-and-last)) + (progn + (save-excursion + (set-buffer (get-buffer "*gnus-uu-pre*")) + (insert (format "\n\n%s\n\n" (make-string 70 ?-))) + (write-region 1 (point-max) gnus-uu-saved-article-name)) + (save-excursion + (set-buffer (get-buffer "*gnus-uu-body*")) + (goto-char (point-max)) + (insert + (concat (setq end-string (format "End of %s Digest" name)) + "\n")) + (insert (concat (make-string (length end-string) ?*) "\n")) + (write-region 1 (point-max) gnus-uu-saved-article-name t)) + (kill-buffer (get-buffer "*gnus-uu-pre*")) + (kill-buffer (get-buffer "*gnus-uu-body*")) + (setq state (cons 'end state)))) + (if (memq 'begin state) + (cons gnus-uu-saved-article-name state) + state))))) + +;; Binhex treatment - not very advanced. + +(defconst gnus-uu-binhex-body-line + "^[^:]...............................................................$") +(defconst gnus-uu-binhex-begin-line + "^:...............................................................$") +(defconst gnus-uu-binhex-end-line + ":$") + +(defun gnus-uu-binhex-article (buffer in-state) + (let (state start-char) + (save-excursion + (set-buffer buffer) + (widen) + (goto-char (point-min)) + (if (not (re-search-forward gnus-uu-binhex-begin-line nil t)) + (if (not (re-search-forward gnus-uu-binhex-body-line nil t)) + (setq state (list 'wrong-type)))) + + (if (memq 'wrong-type state) + () + (beginning-of-line) + (setq start-char (point)) + (if (looking-at gnus-uu-binhex-begin-line) + (progn + (setq state (list 'begin)) + (write-region 1 1 gnus-uu-binhex-article-name)) + (setq state (list 'middle))) + (goto-char (point-max)) + (re-search-backward (concat gnus-uu-binhex-body-line "\\|" + gnus-uu-binhex-end-line) nil t) + (if (looking-at gnus-uu-binhex-end-line) + (setq state (if (memq 'begin state) + (cons 'end state) + (list 'end)))) + (beginning-of-line) + (forward-line 1) + (if (file-exists-p gnus-uu-binhex-article-name) + (append-to-file start-char (point) gnus-uu-binhex-article-name)))) + (if (memq 'begin state) + (cons gnus-uu-binhex-article-name state) + state))) + +;; PostScript + +(defun gnus-uu-decode-postscript-article (process-buffer in-state) + (let ((state (list 'ok)) + start-char end-char file-name) + (save-excursion + (set-buffer process-buffer) + (goto-char (point-min)) + (if (not (re-search-forward gnus-uu-postscript-begin-string nil t)) + (setq state (list 'wrong-type)) + (beginning-of-line) + (setq start-char (point)) + (if (not (re-search-forward gnus-uu-postscript-end-string nil t)) + (setq state (list 'wrong-type)) + (setq end-char (point)) + (set-buffer (get-buffer-create gnus-uu-output-buffer-name)) + (insert-buffer-substring process-buffer start-char end-char) + (setq file-name (concat gnus-uu-work-dir (cdr gnus-article-current) ".ps")) + (write-region (point-min) (point-max) file-name) + (setq state (list file-name'begin 'end)) + + )) + ) + state)) + + +;; Find actions. + +(defun gnus-uu-get-actions (files) + (let ((ofiles files) + action name) + (while files + (setq name (cdr (assq 'name (car files)))) + (and + (setq action (gnus-uu-get-action name)) + (setcar files (nconc (list (if (string= action "gnus-uu-archive") + (cons 'action "file") + (cons 'action action)) + (cons 'execute (if (string-match "%" action) + (format action name) + (concat action " " name)))) + (car files)))) + (setq files (cdr files))) + ofiles)) + +(defun gnus-uu-get-action (file-name) + (let (action) + (setq action + (gnus-uu-choose-action + file-name + (append + gnus-uu-user-view-rules + (if gnus-uu-ignore-default-view-rules + nil + gnus-uu-default-view-rules) + gnus-uu-user-view-rules-end))) + (if (and (not (string= (or action "") "gnus-uu-archive")) + gnus-uu-view-with-metamail) + (if (setq action + (gnus-uu-choose-action file-name gnus-uu-ext-to-mime-list)) + (setq action (format "metamail -d -b -c \"%s\"" action)))) + action)) + + +;; Functions for treating subjects and collecting series. + +(defun gnus-uu-reginize-string (string) + ;; Takes a string and puts a \ in front of every special character; + ;; ignores any leading "version numbers" thingies that they use in + ;; the comp.binaries groups, and either replaces anything that looks + ;; like "2/3" with "[0-9]+/[0-9]+" or, if it can't find something + ;; like that, replaces the last two numbers with "[0-9]+". This, in + ;; my experience, should get most postings of a series. + (let ((count 2) + (vernum "v[0-9]+[a-z][0-9]+:") + beg) + (save-excursion + (set-buffer (get-buffer-create gnus-uu-output-buffer-name)) + (buffer-disable-undo (current-buffer)) + (erase-buffer) + (insert (regexp-quote string)) + (setq beg 1) + + (setq case-fold-search nil) + (goto-char (point-min)) + (if (looking-at vernum) + (progn + (replace-match vernum t t) + (setq beg (length vernum)))) + + (goto-char beg) + (if (re-search-forward "[ \t]*[0-9]+/[0-9]+" nil t) + (replace-match " [0-9]+/[0-9]+") + + (goto-char beg) + (if (re-search-forward "[0-9]+[ \t]*of[ \t]*[0-9]+" nil t) + (replace-match "[0-9]+ of [0-9]+") + + (end-of-line) + (while (and (re-search-backward "[0-9]" nil t) (> count 0)) + (while (and + (looking-at "[0-9]") + (< 1 (goto-char (1- (point)))))) + (re-search-forward "[0-9]+" nil t) + (replace-match "[0-9]+") + (backward-char 5) + (setq count (1- count))))) + + (goto-char beg) + (while (re-search-forward "[ \t]+" nil t) + (replace-match "[ \t]*" t t)) + + (buffer-substring 1 (point-max))))) + +(defun gnus-uu-get-list-of-articles (n) + ;; If N is non-nil, the article numbers of the N next articles + ;; will be returned. + ;; If any articles have been marked as processable, they will be + ;; returned. + ;; Failing that, articles that have subjects that are part of the + ;; same "series" as the current will be returned. + (let (articles) + (cond + (n + (let ((backward (< n 0)) + (n (abs n))) + (save-excursion + (while (and (> n 0) + (setq articles (cons (gnus-summary-article-number) + articles)) + (gnus-summary-search-forward nil nil backward)) + (setq n (1- n)))) + (nreverse articles))) + (gnus-newsgroup-processable + (reverse gnus-newsgroup-processable)) + (t + (gnus-uu-find-articles-matching))))) + +(defun gnus-uu-string< (l1 l2) + (string< (car l1) (car l2))) + +(defun gnus-uu-find-articles-matching + (&optional subject only-unread do-not-translate) + ;; Finds all articles that matches the regexp SUBJECT. If it is + ;; nil, the current article name will be used. If ONLY-UNREAD is + ;; non-nil, only unread articles are chosen. If DO-NOT-TRANSLATE is + ;; non-nil, article names are not equalized before sorting. + (let ((subject (or subject + (gnus-uu-reginize-string (gnus-summary-subject-string)))) + list-of-subjects) + (save-excursion + (if (not subject) + () + ;; Collect all subjects matching subject. + (let ((case-fold-search t) + subj mark) + (goto-char (point-min)) + (while (not (eobp)) + (and (setq subj (gnus-summary-subject-string)) + (string-match subject subj) + (or (not only-unread) + (= (setq mark (gnus-summary-article-mark)) + gnus-unread-mark) + (= mark gnus-ticked-mark) + (= mark gnus-dormant-mark)) + (setq list-of-subjects + (cons (cons subj (gnus-summary-article-number)) + list-of-subjects))) + (forward-line 1))) + + ;; Expand numbers, sort, and return the list of article + ;; numbers. + (mapcar (lambda (sub) (cdr sub)) + (sort (gnus-uu-expand-numbers + list-of-subjects + (not do-not-translate)) + 'gnus-uu-string<)))))) + +(defun gnus-uu-expand-numbers (string-list &optional translate) + ;; Takes a list of strings and "expands" all numbers in all the + ;; strings. That is, this function makes all numbers equal length by + ;; prepending lots of zeroes before each number. This is to ease later + ;; sorting to find out what sequence the articles are supposed to be + ;; decoded in. Returns the list of expanded strings. + (let ((out-list string-list) + string) + (save-excursion + (set-buffer (get-buffer-create gnus-uu-output-buffer-name)) + (buffer-disable-undo (current-buffer)) + (while string-list + (erase-buffer) + (insert (car (car string-list))) + ;; Translate multiple spaces to one space. + (goto-char (point-min)) + (while (re-search-forward "[ \t]+" nil t) + (replace-match " ")) + ;; Translate all characters to "a". + (goto-char (point-min)) + (if translate + (while (re-search-forward "[A-Za-z]" nil t) + (replace-match "a" t t))) + ;; Expand numbers. + (goto-char (point-min)) + (while (re-search-forward "[0-9]+" nil t) + (replace-match + (format "%06d" + (string-to-int (buffer-substring + (match-beginning 0) (match-end 0)))))) + (setq string (buffer-substring 1 (point-max))) + (setcar (car string-list) string) + (setq string-list (cdr string-list)))) + out-list)) + + +;; `gnus-uu-grab-articles' is the general multi-article treatment +;; function. It takes a list of articles to be grabbed and a function +;; to apply to each article. +;; +;; The function to be called should take two parameters. The first +;; parameter is the article buffer. The function should leave the +;; result, if any, in this buffer. Most treatment functions will just +;; generate files... +;; +;; The second parameter is the state of the list of articles, and can +;; have four values: `first', `middle', `last' and `first-and-last'. +;; +;; The function should return a list. The list may contain the +;; following symbols: +;; `error' if an error occurred +;; `begin' if the beginning of an encoded file has been received +;; If the list returned contains a `begin', the first element of +;; the list *must* be a string with the file name of the decoded +;; file. +;; `end' if the the end of an encoded file has been received +;; `middle' if the article was a body part of an encoded file +;; `wrong-type' if the article was not a part of an encoded file +;; `ok', which can be used everything is ok + +(defvar gnus-uu-has-been-grabbed nil) + +(defun gnus-uu-unmark-list-of-grabbed (&optional dont-unmark-last-article) + (let (art) + (if (not (and gnus-uu-has-been-grabbed + gnus-uu-unmark-articles-not-decoded)) + () + (if dont-unmark-last-article + (progn + (setq art (car gnus-uu-has-been-grabbed)) + (setq gnus-uu-has-been-grabbed (cdr gnus-uu-has-been-grabbed)))) + (while gnus-uu-has-been-grabbed + (gnus-summary-tick-article (car gnus-uu-has-been-grabbed) t) + (setq gnus-uu-has-been-grabbed (cdr gnus-uu-has-been-grabbed))) + (if dont-unmark-last-article + (setq gnus-uu-has-been-grabbed (list art)))))) + +;; This function takes a list of articles and a function to apply to +;; each article grabbed. +;; +;; This function returns a list of files decoded if the grabbing and +;; the process-function has been successful and nil otherwise. +(defun gnus-uu-grab-articles + (articles process-function &optional sloppy limit no-errors) + (let ((state 'first) + has-been-begin article result-file result-files process-state + article-buffer) + + (if (not (gnus-server-opened gnus-current-select-method)) + (progn + (gnus-start-news-server) + (gnus-request-group gnus-newsgroup-name))) + + (setq gnus-uu-has-been-grabbed nil) + + (while (and articles + (not (memq 'error process-state)) + (or sloppy + (not (memq 'end process-state)))) + + (setq article (car articles)) + (setq articles (cdr articles)) + (setq gnus-uu-has-been-grabbed (cons article gnus-uu-has-been-grabbed)) + + (if (eq articles ()) + (if (eq state 'first) + (setq state 'first-and-last) + (setq state 'last))) + + (message "Getting article %d, %s" article (gnus-uu-part-number article)) + + (if (not (= (or gnus-current-article 0) article)) + (let ((nntp-async-number nil)) + (gnus-request-article article gnus-newsgroup-name + nntp-server-buffer) + (setq gnus-last-article gnus-current-article) + (setq gnus-current-article article) + (setq gnus-article-current (cons gnus-newsgroup-name article)) + (if (stringp nntp-server-buffer) + (setq article-buffer nntp-server-buffer) + (setq article-buffer (buffer-name nntp-server-buffer)))) + (gnus-summary-stop-page-breaking) + (setq article-buffer gnus-article-buffer)) + + (buffer-disable-undo article-buffer) + ;; Mark article as read. + (and (memq article gnus-newsgroup-processable) + (gnus-summary-remove-process-mark article)) + (run-hooks 'gnus-mark-article-hook) + + (setq process-state (funcall process-function article-buffer state)) + + (if (or (memq 'begin process-state) + (and (or (eq state 'first) (eq state 'first-and-last)) + (memq 'ok process-state))) + (progn + (if has-been-begin + (if (and result-file (file-exists-p result-file)) + (delete-file result-file))) + (if (memq 'begin process-state) + (setq result-file (car process-state))) + (setq has-been-begin t))) + + (if (memq 'end process-state) + (progn + (setq gnus-uu-has-been-grabbed nil) + (setq result-files (cons (list (cons 'name result-file) + (cons 'article article)) + result-files)) + (setq has-been-begin nil) + (and limit (= (length result-files) limit) + (setq articles nil)))) + + (if (and (or (eq state 'last) (eq state 'first-and-last)) + (not (memq 'end process-state))) + (if (and result-file (file-exists-p result-file)) + (delete-file result-file))) + + (if (not (memq 'wrong-type process-state)) + () + (if gnus-uu-unmark-articles-not-decoded + (gnus-summary-tick-article article t))) + + (if (and (not has-been-begin) + (not sloppy) + (or (memq 'end process-state) + (memq 'middle process-state))) + (progn + (setq process-state (list 'error)) + (message "No begin part at the beginning") + (sleep-for 2)) + (setq state 'middle))) + + ;; Make sure the last article is put in the article buffer & fix + ;; windows etc. + + (if (not (string= article-buffer gnus-article-buffer)) + (save-excursion + (set-buffer (get-buffer-create gnus-article-buffer)) + (let ((buffer-read-only nil)) + (widen) + (erase-buffer) + (insert-buffer-substring article-buffer) + (gnus-set-mode-line 'article) + (goto-char (point-min))))) + + (gnus-set-mode-line 'summary) + + (if result-files + () + (if (not has-been-begin) + (if (not no-errors) (message "Wrong type file")) + (if (memq 'error process-state) + (setq result-files nil) + (if (not (or (memq 'ok process-state) + (memq 'end process-state))) + (progn + (if (not no-errors) + (message "End of articles reached before end of file")) + (setq result-files nil)) + (gnus-uu-unmark-list-of-grabbed))))) + result-files)) + +(defun gnus-uu-part-number (article) + (let ((subject (mail-header-subject (gnus-get-header-by-number article)))) + (if (string-match "[0-9]+ */[0-9]+\\|[0-9]+ * of *[0-9]+" + subject) + (substring subject (match-beginning 0) (match-end 0)) + ""))) + +(defun gnus-uu-uudecode-sentinel (process event) + (delete-process (get-process process))) + +(defun gnus-uu-uustrip-article (process-buffer in-state) + ;; Uudecodes a file asynchronously. + (let ((state (list 'ok)) + (process-connection-type nil) + start-char pst name-beg name-end) + (save-excursion + (set-buffer process-buffer) + (let ((case-fold-search nil) + (buffer-read-only nil)) + + (goto-char (point-min)) + + (if gnus-uu-kill-carriage-return + (progn + (while (search-forward "\r" nil t) + (delete-backward-char 1)) + (goto-char (point-min)))) + + (if (not (re-search-forward gnus-uu-begin-string nil t)) + (if (not (re-search-forward gnus-uu-body-line nil t)) + (setq state (list 'wrong-type)))) + + (if (memq 'wrong-type state) + () + (beginning-of-line) + (setq start-char (point)) + + (if (looking-at gnus-uu-begin-string) + (progn + (setq name-end (match-end 1) + name-beg (match-beginning 1)) + ;; Remove any non gnus-uu-body-line right after start. + (forward-line 1) + (or (looking-at gnus-uu-body-line) + (gnus-delete-line)) + + ; Replace any slashes and spaces in file names before decoding + (goto-char name-beg) + (while (re-search-forward "/" name-end t) + (replace-match ",")) + (goto-char name-beg) + (while (re-search-forward " " name-end t) + (replace-match "_")) + (goto-char name-beg) + (if (re-search-forward "_*$" name-end t) + (replace-match "")) + + (setq gnus-uu-file-name (buffer-substring name-beg name-end)) + (and gnus-uu-uudecode-process + (setq pst (process-status + (or gnus-uu-uudecode-process "nevair"))) + (if (or (eq pst 'stop) (eq pst 'run)) + (progn + (delete-process gnus-uu-uudecode-process) + (gnus-uu-unmark-list-of-grabbed t)))) + (if (get-process "*uudecode*") + (delete-process "*uudecode*")) + (setq gnus-uu-uudecode-process + (start-process + "*uudecode*" + (get-buffer-create gnus-uu-output-buffer-name) + "sh" "-c" + (format "cd %s ; uudecode" gnus-uu-work-dir))) + (set-process-sentinel + gnus-uu-uudecode-process 'gnus-uu-uudecode-sentinel) + (setq state (list 'begin)) + (gnus-uu-add-file (concat gnus-uu-work-dir gnus-uu-file-name))) + (setq state (list 'middle))) + + (goto-char (point-max)) + + (re-search-backward + (concat gnus-uu-body-line "\\|" gnus-uu-end-string) nil t) + (beginning-of-line) + + (if (looking-at gnus-uu-end-string) + (setq state (cons 'end state))) + (forward-line 1) + + (and gnus-uu-uudecode-process + (setq pst (process-status + (or gnus-uu-uudecode-process "nevair"))) + (if (or (eq pst 'run) (eq pst 'stop)) + (progn + (if gnus-uu-correct-stripped-uucode + (progn + (gnus-uu-check-correct-stripped-uucode + start-char (point)) + (goto-char (point-max)) + (re-search-backward + (concat gnus-uu-body-line "\\|" + gnus-uu-end-string) + nil t) + (forward-line 1))) + + (condition-case nil + (process-send-region gnus-uu-uudecode-process + start-char (point)) + (error + (progn + (delete-process gnus-uu-uudecode-process) + (message "gnus-uu: Couldn't uudecode") + ; (sleep-for 2) + (setq state (list 'wrong-type))))) + + (if (memq 'end state) + (accept-process-output gnus-uu-uudecode-process))) + (setq state (list 'wrong-type)))) + (if (not gnus-uu-uudecode-process) + (setq state (list 'wrong-type))))) + + (if (memq 'begin state) + (cons (concat gnus-uu-work-dir gnus-uu-file-name) state) + state)))) + +;; This function is used by `gnus-uu-grab-articles' to treat +;; a shared article. +(defun gnus-uu-unshar-article (process-buffer in-state) + (let ((state (list 'ok)) + start-char) + (save-excursion + (set-buffer process-buffer) + (goto-char (point-min)) + (if (not (re-search-forward gnus-uu-shar-begin-string nil t)) + (setq state (list 'wrong-type)) + (beginning-of-line) + (setq start-char (point)) + (call-process-region + start-char (point-max) "sh" nil + (get-buffer-create gnus-uu-output-buffer-name) nil + "-c" (concat "cd " gnus-uu-work-dir " ; sh")))) + state)) + +;; Returns the name of what the shar file is going to unpack. +(defun gnus-uu-find-name-in-shar () + (let ((oldpoint (point)) + res) + (goto-char (point-min)) + (if (re-search-forward gnus-uu-shar-name-marker nil t) + (setq res (buffer-substring (match-beginning 1) (match-end 1)))) + (goto-char oldpoint) + res)) + +;; `gnus-uu-choose-action' chooses what action to perform given the name +;; and `gnus-uu-file-action-list'. Returns either nil if no action is +;; found, or the name of the command to run if such a rule is found. +(defun gnus-uu-choose-action (file-name file-action-list &optional no-ignore) + (let ((action-list (copy-sequence file-action-list)) + (case-fold-search t) + rule action) + (and + (or no-ignore + (and (not + (and gnus-uu-ignore-files-by-name + (string-match gnus-uu-ignore-files-by-name file-name))) + (not + (and gnus-uu-ignore-files-by-type + (string-match gnus-uu-ignore-files-by-type + (or (gnus-uu-choose-action + file-name gnus-uu-ext-to-mime-list t) + "")))))) + (while (not (or (eq action-list ()) action)) + (setq rule (car action-list)) + (setq action-list (cdr action-list)) + (if (string-match (car rule) file-name) + (setq action (car (cdr rule)))))) + action)) + +(defun gnus-uu-treat-archive (file-path) + ;; Unpacks an archive. Returns t if unpacking is successful. + (let ((did-unpack t) + action command dir) + (setq action (gnus-uu-choose-action + file-path (append gnus-uu-user-archive-rules + (if gnus-uu-ignore-default-archive-rules + nil + gnus-uu-default-archive-rules)))) + + (if (not action) (error "No unpackers for the file %s" file-path)) + + (string-match "/[^/]*$" file-path) + (setq dir (substring file-path 0 (match-beginning 0))) + + (if (member action gnus-uu-destructive-archivers) + (copy-file file-path (concat file-path "~") t)) + + (setq command (format "cd %s ; %s" dir (gnus-uu-command action file-path))) + + (save-excursion + (set-buffer (get-buffer-create gnus-uu-output-buffer-name)) + (erase-buffer)) + + (message "Unpacking: %s..." (gnus-uu-command action file-path)) + + (if (= 0 (call-process "sh" nil + (get-buffer-create gnus-uu-output-buffer-name) + nil "-c" command)) + (message "") + (message "Error during unpacking of archive") + (setq did-unpack nil)) + + (if (member action gnus-uu-destructive-archivers) + (rename-file (concat file-path "~") file-path t)) + + did-unpack)) + +(defun gnus-uu-dir-files (dir) + (let ((dirs (directory-files dir t "[^/][^\\.][^\\.]?$")) + files file) + (while dirs + (if (file-directory-p (setq file (car dirs))) + (setq files (append files (gnus-uu-dir-files file))) + (setq files (cons file files))) + (setq dirs (cdr dirs))) + files)) + +(defun gnus-uu-unpack-files (files &optional ignore) + ;; Go through FILES and look for files to unpack. + (let* ((totfiles (gnus-uu-ls-r gnus-uu-work-dir)) + (ofiles files) + file did-unpack file-entry) + (gnus-uu-add-file totfiles) + (while files + (setq file (cdr (setq file-entry (assq 'name (car files))))) + (if (and (not (member file ignore)) + (equal (gnus-uu-get-action (file-name-nondirectory file)) + "gnus-uu-archive")) + (progn + (setq did-unpack (cons file did-unpack)) + (or (gnus-uu-treat-archive file) + (message "Error during unpacking of %s" file)) + (let* ((newfiles (gnus-uu-ls-r gnus-uu-work-dir)) + (nfiles newfiles)) + (gnus-uu-add-file newfiles) + (while nfiles + (or (member (car nfiles) totfiles) + (setq ofiles (cons (list (cons 'name (car nfiles)) + (cons 'original file)) + ofiles))) + (setq nfiles (cdr nfiles))) + (setq totfiles newfiles)))) + (setq files (cdr files))) + (if did-unpack + (gnus-uu-unpack-files ofiles (append did-unpack ignore)) + ofiles))) + +(defun gnus-uu-ls-r (dir) + (let* ((files (gnus-uu-directory-files dir t)) + (ofiles files)) + (while files + (if (file-directory-p (car files)) + (progn + (setq ofiles (delete (car files) ofiles)) + (setq ofiles (append ofiles (gnus-uu-ls-r (car files)))))) + (setq files (cdr files))) + ofiles)) + +;; Various stuff + +(defun gnus-uu-directory-files (dir &optional full) + (let (files out file) + (setq files (directory-files dir full)) + (while files + (setq file (car files)) + (setq files (cdr files)) + (or (string-match "/\\.\\.?$" file) + (setq out (cons file out)))) + (setq out (nreverse out)) + out)) + +(defun gnus-uu-check-correct-stripped-uucode (start end) + (let (found beg length) + (if (not gnus-uu-correct-stripped-uucode) + () + (goto-char start) + + (if (re-search-forward " \\|`" end t) + (progn + (goto-char start) + (while (not (eobp)) + (progn + (if (looking-at "\n") (replace-match "")) + (forward-line 1)))) + + (while (not (eobp)) + (if (looking-at (concat gnus-uu-begin-string "\\|" + gnus-uu-end-string)) + () + (if (not found) + (progn + (beginning-of-line) + (setq beg (point)) + (end-of-line) + (setq length (- (point) beg)))) + (setq found t) + (beginning-of-line) + (setq beg (point)) + (end-of-line) + (if (not (= length (- (point) beg))) + (insert (make-string (- length (- (point) beg)) ? )))) + (forward-line 1)))))) + +(defvar gnus-uu-tmp-alist nil) + +(defun gnus-uu-initialize (&optional scan) + (let (entry) + (if (and (not scan) + (if (setq entry (assoc gnus-newsgroup-name gnus-uu-tmp-alist)) + (if (file-exists-p (cdr entry)) + (setq gnus-uu-work-dir (cdr entry)) + (setq gnus-uu-tmp-alist (delq entry gnus-uu-tmp-alist)) + nil))) + t + (setq gnus-uu-tmp-dir (file-name-as-directory + (expand-file-name gnus-uu-tmp-dir))) + (if (not (file-directory-p gnus-uu-tmp-dir)) + (error "Temp directory %s doesn't exist" gnus-uu-tmp-dir) + (if (not (file-writable-p gnus-uu-tmp-dir)) + (error "Temp directory %s can't be written to" + gnus-uu-tmp-dir))) + + (setq gnus-uu-work-dir + (make-temp-name (concat gnus-uu-tmp-dir "gnus"))) + (gnus-uu-add-file gnus-uu-work-dir) + (if (not (file-directory-p gnus-uu-work-dir)) + (gnus-make-directory gnus-uu-work-dir)) + (set-file-modes gnus-uu-work-dir 448) + (setq gnus-uu-work-dir (file-name-as-directory gnus-uu-work-dir)) + (setq gnus-uu-tmp-alist (cons (cons gnus-newsgroup-name gnus-uu-work-dir) + gnus-uu-tmp-alist))))) + + +;; Kills the temporary uu buffers, kills any processes, etc. +(defun gnus-uu-clean-up () + (let (buf pst) + (and gnus-uu-uudecode-process + (setq pst (process-status (or gnus-uu-uudecode-process "nevair"))) + (if (or (eq pst 'stop) (eq pst 'run)) + (delete-process gnus-uu-uudecode-process))) + (and (setq buf (get-buffer gnus-uu-output-buffer-name)) + (kill-buffer buf)))) + +;; `gnus-uu-check-for-generated-files' deletes any generated files that +;; hasn't been deleted, if, for instance, the user terminated decoding +;; with `C-g'. +(defun gnus-uu-check-for-generated-files () + (let (file dirs) + (while gnus-uu-generated-file-list + (setq file (car gnus-uu-generated-file-list)) + (setq gnus-uu-generated-file-list (cdr gnus-uu-generated-file-list)) + (if (not (string-match "/\\.[\\.]?$" file)) + (progn + (if (file-directory-p file) + (setq dirs (cons file dirs)) + (if (file-exists-p file) + (delete-file file)))))) + (setq dirs (nreverse dirs)) + (while dirs + (setq file (car dirs)) + (setq dirs (cdr dirs)) + (if (file-directory-p file) + (if (string-match "/$" file) + (delete-directory (substring file 0 (match-beginning 0))) + (delete-directory file)))))) + +;; Add a file (or a list of files) to be checked (and deleted if it/they +;; still exists upon exiting the newsgroup). +(defun gnus-uu-add-file (file) + (if (stringp file) + (setq gnus-uu-generated-file-list + (cons file gnus-uu-generated-file-list)) + (setq gnus-uu-generated-file-list + (append file gnus-uu-generated-file-list)))) + +;; Inputs an action and a file and returns a full command, putting +;; quotes round the file name and escaping any quotes in the file name. +(defun gnus-uu-command (action file) + (let ((ofile "")) + (while (string-match "!\\|`\\|\"\\|\\$\\|\\\\\\|&" file) + (progn + (setq ofile + (concat ofile (substring file 0 (match-beginning 0)) "\\" + (substring file (match-beginning 0) (match-end 0)))) + (setq file (substring file (1+ (match-beginning 0)))))) + (setq ofile (concat "\"" ofile file "\"")) + (if (string-match "%s" action) + (format action ofile) + (concat action " " ofile)))) + + +;; Initializing + +(add-hook 'gnus-exit-group-hook 'gnus-uu-clean-up) +(add-hook 'gnus-exit-group-hook 'gnus-uu-check-for-generated-files) + + + +;;; +;;; uuencoded posting +;;; + +(require 'sendmail) +(require 'rnews) + +;; Any function that is to be used as and encoding method will take two +;; parameters: PATH-NAME and FILE-NAME. (E.g. "/home/gaga/spiral.jpg" +;; and "spiral.jpg", respectively.) The function should return nil if +;; the encoding wasn't successful. +(defvar gnus-uu-post-encode-method 'gnus-uu-post-encode-uuencode + "Function used for encoding binary files. +There are three functions supplied with gnus-uu for encoding files: +`gnus-uu-post-encode-uuencode', which does straight uuencoding; +`gnus-uu-post-encode-mime', which encodes with base64 and adds MIME +headers; and `gnus-uu-post-encode-mime-uuencode', which encodes with +uuencode and adds MIME headers.") + +(defvar gnus-uu-post-include-before-composing nil + "Non-nil means that gnus-uu will ask for a file to encode before you compose the article. +If this variable is t, you can either include an encoded file with +\\[gnus-uu-post-insert-binary-in-article] or have one included for you when you post the article.") + +(defvar gnus-uu-post-length 990 + "Maximum length of an article. +The encoded file will be split into how many articles it takes to +post the entire file.") + +(defvar gnus-uu-post-threaded nil + "Non-nil means that gnus-uu will post the encoded file in a thread. +This may not be smart, as no other decoder I have seen are able to +follow threads when collecting uuencoded articles. (Well, I have seen +one package that does that - gnus-uu, but somehow, I don't think that +counts...) Default is nil.") + +(defvar gnus-uu-post-separate-description t + "Non-nil means that the description will be posted in a separate article. +The first article will typically be numbered (0/x). If this variable +is nil, the description the user enters will be included at the +beginning of the first article, which will be numbered (1/x). Default +is t.") + +(defvar gnus-uu-post-binary-separator "--binary follows this line--") +(defvar gnus-uu-post-message-id nil) +(defvar gnus-uu-post-inserted-file-name nil) +(defvar gnus-uu-winconf-post-news nil) + +(defun gnus-uu-post-news () + "Compose an article and post an encoded file." + (interactive) + (setq gnus-uu-post-inserted-file-name nil) + (setq gnus-uu-winconf-post-news (current-window-configuration)) + + (gnus-summary-post-news) + + (use-local-map (copy-keymap (current-local-map))) + (local-set-key "\C-c\C-c" 'gnus-summary-edit-article-done) + (local-set-key "\C-c\C-c" 'gnus-uu-post-news-inews) + (local-set-key "\C-c\C-s" 'gnus-uu-post-news-inews) + (local-set-key "\C-c\C-i" 'gnus-uu-post-insert-binary-in-article) + + (if gnus-uu-post-include-before-composing + (save-excursion (setq gnus-uu-post-inserted-file-name + (gnus-uu-post-insert-binary))))) + +(defun gnus-uu-post-insert-binary-in-article () + "Inserts an encoded file in the buffer. +The user will be asked for a file name." + (interactive) + (if (not (eq (current-buffer) (get-buffer gnus-post-news-buffer))) + (error "Not in post-news buffer")) + (save-excursion + (setq gnus-uu-post-inserted-file-name (gnus-uu-post-insert-binary)))) + +;; Encodes with uuencode and substitutes all spaces with backticks. +(defun gnus-uu-post-encode-uuencode (path file-name) + (if (gnus-uu-post-encode-file "uuencode" path file-name) + (progn + (goto-char (point-min)) + (forward-line 1) + (while (re-search-forward " " nil t) + (replace-match "`")) + t))) + +;; Encodes with uuencode and adds MIME headers. +(defun gnus-uu-post-encode-mime-uuencode (path file-name) + (if (gnus-uu-post-encode-uuencode path file-name) + (progn + (gnus-uu-post-make-mime file-name "x-uue") + t))) + +;; Encodes with base64 and adds MIME headers +(defun gnus-uu-post-encode-mime (path file-name) + (if (gnus-uu-post-encode-file "mmencode" path file-name) + (progn + (gnus-uu-post-make-mime file-name "base64") + t))) + +;; Adds MIME headers. +(defun gnus-uu-post-make-mime (file-name encoding) + (goto-char (point-min)) + (insert (format "Content-Type: %s; name=\"%s\"\n" + (gnus-uu-choose-action file-name gnus-uu-ext-to-mime-list) + file-name)) + (insert (format "Content-Transfer-Encoding: %s\n\n" encoding)) + (save-restriction + (set-buffer gnus-post-news-buffer) + (goto-char (point-min)) + (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$")) + (forward-line -1) + (narrow-to-region 1 (point)) + (or (mail-fetch-field "mime-version") + (progn + (widen) + (insert "MIME-Version: 1.0\n"))) + (widen))) + +;; Encodes a file PATH with COMMAND, leaving the result in the +;; current buffer. +(defun gnus-uu-post-encode-file (command path file-name) + (= 0 (call-process "sh" nil t nil "-c" + (format "%s %s %s" command path file-name)))) + +(defun gnus-uu-post-news-inews () + "Posts the composed news article and encoded file. +If no file has been included, the user will be asked for a file." + (interactive) + (if (not (eq (current-buffer) (get-buffer gnus-post-news-buffer))) + (error "Not in post news buffer")) + + (let (file-name) + + (if gnus-uu-post-inserted-file-name + (setq file-name gnus-uu-post-inserted-file-name) + (setq file-name (gnus-uu-post-insert-binary))) + + (if gnus-uu-post-threaded + (let ((gnus-required-headers + (if (memq 'Message-ID gnus-required-headers) + gnus-required-headers + (cons 'Message-ID gnus-required-headers))) + gnus-inews-article-hook) + + (setq gnus-inews-article-hook (if (listp gnus-inews-article-hook) + gnus-inews-article-hook + (list gnus-inews-article-hook))) + (setq gnus-inews-article-hook + (cons + '(lambda () + (save-excursion + (goto-char (point-min)) + (if (re-search-forward "^Message-ID: \\(.*\\)$" nil t) + (setq gnus-uu-post-message-id + (buffer-substring + (match-beginning 1) (match-end 1))) + (setq gnus-uu-post-message-id nil)))) + gnus-inews-article-hook)) + (gnus-uu-post-encoded file-name t)) + (gnus-uu-post-encoded file-name nil))) + (setq gnus-uu-post-inserted-file-name nil) + (and gnus-uu-winconf-post-news + (set-window-configuration gnus-uu-winconf-post-news))) + +;; Asks for a file to encode, encodes it and inserts the result in +;; the current buffer. Returns the file name the user gave. +(defun gnus-uu-post-insert-binary () + (let ((uuencode-buffer-name "*uuencode buffer*") + file-path uubuf file-name) + + (setq file-path (read-file-name + "What file do you want to encode? ")) + (if (not (file-exists-p file-path)) + (error "%s: No such file" file-path)) + + (goto-char (point-max)) + (insert (format "\n%s\n" gnus-uu-post-binary-separator)) + + (if (string-match "^~/" file-path) + (setq file-path (concat "$HOME" (substring file-path 1)))) + (if (string-match "/[^/]*$" file-path) + (setq file-name (substring file-path (1+ (match-beginning 0)))) + (setq file-name file-path)) + + (unwind-protect + (if (save-excursion + (set-buffer (setq uubuf + (get-buffer-create uuencode-buffer-name))) + (erase-buffer) + (funcall gnus-uu-post-encode-method file-path file-name)) + (insert-buffer uubuf) + (error "Encoding unsuccessful")) + (kill-buffer uubuf)) + file-name)) + +;; Posts the article and all of the encoded file. +(defun gnus-uu-post-encoded (file-name &optional threaded) + (let ((send-buffer-name "*uuencode send buffer*") + (encoded-buffer-name "*encoded buffer*") + (top-string "[ cut here %s (%s %d/%d) %s gnus-uu ]") + (separator (concat mail-header-separator "\n\n")) + uubuf length parts header i end beg + beg-line minlen buf post-buf whole-len beg-binary end-binary) + + (setq post-buf (current-buffer)) + + (goto-char (point-min)) + (if (not (re-search-forward + (if gnus-uu-post-separate-description + (concat "^" (regexp-quote gnus-uu-post-binary-separator) + "$") + (concat "^" (regexp-quote mail-header-separator) "$")) nil t)) + (error "Internal error: No binary/header separator")) + (beginning-of-line) + (forward-line 1) + (setq beg-binary (point)) + (setq end-binary (point-max)) + + (save-excursion + (set-buffer (setq uubuf (get-buffer-create encoded-buffer-name))) + (erase-buffer) + (insert-buffer-substring post-buf beg-binary end-binary) + (goto-char (point-min)) + (setq length (count-lines 1 (point-max))) + (setq parts (/ length gnus-uu-post-length)) + (if (not (< (% length gnus-uu-post-length) 4)) + (setq parts (1+ parts)))) + + (if gnus-uu-post-separate-description + (forward-line -1)) + (kill-region (point) (point-max)) + + (goto-char (point-min)) + (re-search-forward + (concat "^" (regexp-quote mail-header-separator) "$") nil t) + (beginning-of-line) + (setq header (buffer-substring 1 (point))) + + (goto-char (point-min)) + (if (not gnus-uu-post-separate-description) + () + (if (and (not threaded) (re-search-forward "^Subject: " nil t)) + (progn + (end-of-line) + (insert (format " (0/%d)" parts)))) + (gnus-inews-news)) + + (save-excursion + (setq i 1) + (setq beg 1) + (while (not (> i parts)) + (set-buffer (get-buffer-create send-buffer-name)) + (erase-buffer) + (insert header) + (if (and threaded gnus-uu-post-message-id) + (insert (format "References: %s\n" gnus-uu-post-message-id))) + (insert separator) + (setq whole-len + (- 62 (length (format top-string "" file-name i parts "")))) + (if (> 1 (setq minlen (/ whole-len 2))) + (setq minlen 1)) + (setq + beg-line + (format top-string + (make-string minlen ?-) + file-name i parts + (make-string + (if (= 0 (% whole-len 2)) (1- minlen) minlen) ?-))) + + (goto-char (point-min)) + (if (not (re-search-forward "^Subject: " nil t)) + () + (if (not threaded) + (progn + (end-of-line) + (insert (format " (%d/%d)" i parts))) + (if (or (and (= i 2) gnus-uu-post-separate-description) + (and (= i 1) (not gnus-uu-post-separate-description))) + (replace-match "Subject: Re: ")))) + + (goto-char (point-max)) + (save-excursion + (set-buffer uubuf) + (goto-char beg) + (if (= i parts) + (goto-char (point-max)) + (forward-line gnus-uu-post-length)) + (if (and (= (1+ i) parts) (< (count-lines (point) (point-max)) 4)) + (forward-line -4)) + (setq end (point))) + (insert-buffer-substring uubuf beg end) + (insert beg-line) + (insert "\n") + (setq beg end) + (setq i (1+ i)) + (goto-char (point-min)) + (re-search-forward + (concat "^" (regexp-quote mail-header-separator) "$") nil t) + (beginning-of-line) + (forward-line 2) + (if (re-search-forward + (concat "^" (regexp-quote gnus-uu-post-binary-separator) "$") + nil t) + (progn + (replace-match "") + (forward-line 1))) + (insert beg-line) + (insert "\n") + (gnus-inews-news))) + + (and (setq buf (get-buffer send-buffer-name)) + (kill-buffer buf)) + (and (setq buf (get-buffer encoded-buffer-name)) + (kill-buffer buf)) + + (if (not gnus-uu-post-separate-description) + (progn + (set-buffer-modified-p nil) + (and (fboundp 'bury-buffer) (bury-buffer)))))) + +(provide 'gnus-uu) + +;; gnus-uu.el ends here |