Commit | Line | Data |
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c113de23 | 1 | ;;; nnwarchive.el --- interfacing with web archives |
e84b4b86 | 2 | |
b6c2d8c6 | 3 | ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
c113de23 GM |
5 | |
6 | ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu> | |
7 | ;; Keywords: news egroups mail-archive | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 GM |
11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation, either version 3 of the License, or | |
14 | ;; (at your option) any later version. | |
c113de23 | 15 | |
5e809f55 GM |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
c113de23 GM |
20 | |
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
c113de23 GM |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;; Note: You need to have `url' (w3 0.46) or greater version | |
23f87bed | 27 | ;; installed for some functions of this backend to work. |
c113de23 | 28 | |
a1506d29 | 29 | ;; Todo: |
c113de23 GM |
30 | ;; 1. To support more web archives. |
31 | ;; 2. Generalize webmail to other MHonArc archive. | |
32 | ||
33 | ;;; Code: | |
34 | ||
35 | (eval-when-compile (require 'cl)) | |
36 | ||
37 | (require 'nnoo) | |
38 | (require 'message) | |
39 | (require 'gnus-util) | |
40 | (require 'gnus) | |
41 | (require 'gnus-bcklg) | |
42 | (require 'nnmail) | |
43 | (require 'mm-util) | |
23f87bed | 44 | (require 'mm-url) |
c113de23 GM |
45 | |
46 | (nnoo-declare nnwarchive) | |
47 | ||
48 | (defvar nnwarchive-type-definition | |
49 | '((egroups | |
50 | (address . "www.egroups.com") | |
a1506d29 JB |
51 | (open-url |
52 | "http://www.egroups.com/login.cgi?&login_email=%s&login_password=%s" | |
c113de23 | 53 | nnwarchive-login nnwarchive-passwd) |
a1506d29 | 54 | (list-url |
c113de23 GM |
55 | "http://www.egroups.com/mygroups") |
56 | (list-dissect . nnwarchive-egroups-list) | |
57 | (list-groups . nnwarchive-egroups-list-groups) | |
a1506d29 | 58 | (xover-url |
c113de23 | 59 | "http://www.egroups.com/messages/%s/%d" group aux) |
a1506d29 | 60 | (xover-last-url |
c113de23 GM |
61 | "http://www.egroups.com/messages/%s/" group) |
62 | (xover-page-size . 13) | |
63 | (xover-dissect . nnwarchive-egroups-xover) | |
a1506d29 | 64 | (article-url |
c113de23 GM |
65 | "http://www.egroups.com/message/%s/%d?source=1" group article) |
66 | (article-dissect . nnwarchive-egroups-article) | |
67 | (authentication . t) | |
68 | (article-offset . 0) | |
69 | (xover-files . nnwarchive-egroups-xover-files)) | |
70 | (mail-archive | |
71 | (address . "www.mail-archive.com") | |
72 | (open-url) | |
a1506d29 | 73 | (list-url |
c113de23 GM |
74 | "http://www.mail-archive.com/lists.html") |
75 | (list-dissect . nnwarchive-mail-archive-list) | |
76 | (list-groups . nnwarchive-mail-archive-list-groups) | |
a1506d29 | 77 | (xover-url |
c113de23 | 78 | "http://www.mail-archive.com/%s/mail%d.html" group aux) |
a1506d29 | 79 | (xover-last-url |
c113de23 GM |
80 | "http://www.mail-archive.com/%s/maillist.html" group) |
81 | (xover-page-size) | |
82 | (xover-dissect . nnwarchive-mail-archive-xover) | |
a1506d29 | 83 | (article-url |
c113de23 GM |
84 | "http://www.mail-archive.com/%s/msg%05d.html" group article1) |
85 | (article-dissect . nnwarchive-mail-archive-article) | |
86 | (xover-files . nnwarchive-mail-archive-xover-files) | |
87 | (authentication) | |
88 | (article-offset . 1)))) | |
89 | ||
90 | (defvar nnwarchive-default-type 'egroups) | |
91 | ||
92 | (defvoo nnwarchive-directory (nnheader-concat gnus-directory "warchive/") | |
93 | "Where nnwarchive will save its files.") | |
94 | ||
95 | (defvoo nnwarchive-type nil | |
96 | "The type of nnwarchive.") | |
97 | ||
98 | (defvoo nnwarchive-address "" | |
99 | "The address of nnwarchive.") | |
100 | ||
101 | (defvoo nnwarchive-login nil | |
102 | "Your login name for the group.") | |
103 | ||
104 | (defvoo nnwarchive-passwd nil | |
105 | "Your password for the group.") | |
106 | ||
107 | (defvoo nnwarchive-groups nil) | |
108 | ||
109 | (defvoo nnwarchive-headers-cache nil) | |
110 | ||
111 | (defvoo nnwarchive-authentication nil) | |
112 | ||
113 | (defvoo nnwarchive-nov-is-evil nil) | |
114 | ||
115 | (defconst nnwarchive-version "nnwarchive 1.0") | |
116 | ||
117 | ;;; Internal variables | |
118 | ||
119 | (defvoo nnwarchive-open-url nil) | |
120 | (defvoo nnwarchive-open-dissect nil) | |
121 | ||
122 | (defvoo nnwarchive-list-url nil) | |
123 | (defvoo nnwarchive-list-dissect nil) | |
124 | (defvoo nnwarchive-list-groups nil) | |
125 | ||
126 | (defvoo nnwarchive-xover-files nil) | |
127 | (defvoo nnwarchive-xover-url nil) | |
128 | (defvoo nnwarchive-xover-last-url nil) | |
129 | (defvoo nnwarchive-xover-dissect nil) | |
130 | (defvoo nnwarchive-xover-page-size nil) | |
131 | ||
132 | (defvoo nnwarchive-article-url nil) | |
133 | (defvoo nnwarchive-article-dissect nil) | |
134 | (defvoo nnwarchive-xover-files nil) | |
135 | (defvoo nnwarchive-article-offset 0) | |
136 | ||
137 | (defvoo nnwarchive-buffer nil) | |
138 | ||
139 | (defvoo nnwarchive-keep-backlog 300) | |
140 | (defvar nnwarchive-backlog-articles nil) | |
141 | (defvar nnwarchive-backlog-hashtb nil) | |
142 | ||
143 | (defvoo nnwarchive-headers nil) | |
144 | ||
145 | ||
146 | ;;; Interface functions | |
147 | ||
148 | (nnoo-define-basics nnwarchive) | |
149 | ||
150 | (defun nnwarchive-set-default (type) | |
151 | (let ((defs (cdr (assq type nnwarchive-type-definition))) | |
152 | def) | |
153 | (dolist (def defs) | |
a1506d29 | 154 | (set (intern (concat "nnwarchive-" (symbol-name (car def)))) |
c113de23 GM |
155 | (cdr def))))) |
156 | ||
157 | (defmacro nnwarchive-backlog (&rest form) | |
158 | `(let ((gnus-keep-backlog nnwarchive-keep-backlog) | |
a1506d29 | 159 | (gnus-backlog-buffer |
c113de23 GM |
160 | (format " *nnwarchive backlog %s*" nnwarchive-address)) |
161 | (gnus-backlog-articles nnwarchive-backlog-articles) | |
162 | (gnus-backlog-hashtb nnwarchive-backlog-hashtb)) | |
163 | (unwind-protect | |
164 | (progn ,@form) | |
165 | (setq nnwarchive-backlog-articles gnus-backlog-articles | |
166 | nnwarchive-backlog-hashtb gnus-backlog-hashtb)))) | |
167 | (put 'nnwarchive-backlog 'lisp-indent-function 0) | |
168 | (put 'nnwarchive-backlog 'edebug-form-spec '(form body)) | |
169 | ||
170 | (defun nnwarchive-backlog-enter-article (group number buffer) | |
171 | (nnwarchive-backlog | |
172 | (gnus-backlog-enter-article group number buffer))) | |
173 | ||
a1506d29 | 174 | (defun nnwarchive-get-article (article &optional group server buffer) |
c113de23 GM |
175 | (if (numberp article) |
176 | (if (nnwarchive-backlog | |
a1506d29 | 177 | (gnus-backlog-request-article group article |
c113de23 GM |
178 | (or buffer nntp-server-buffer))) |
179 | (cons group article) | |
180 | (let (contents) | |
181 | (save-excursion | |
182 | (set-buffer nnwarchive-buffer) | |
183 | (goto-char (point-min)) | |
184 | (let ((article1 (- article nnwarchive-article-offset))) | |
185 | (nnwarchive-url nnwarchive-article-url)) | |
186 | (setq contents (funcall nnwarchive-article-dissect group article))) | |
187 | (when contents | |
188 | (save-excursion | |
189 | (set-buffer (or buffer nntp-server-buffer)) | |
190 | (erase-buffer) | |
191 | (insert contents) | |
192 | (nnwarchive-backlog-enter-article group article (current-buffer)) | |
193 | (nnheader-report 'nnwarchive "Fetched article %s" article) | |
194 | (cons group article))))) | |
195 | nil)) | |
196 | ||
197 | (deffoo nnwarchive-retrieve-headers (articles &optional group server fetch-old) | |
198 | (nnwarchive-possibly-change-server group server) | |
199 | (if (or gnus-nov-is-evil nnwarchive-nov-is-evil) | |
200 | (with-temp-buffer | |
201 | (with-current-buffer nntp-server-buffer | |
202 | (erase-buffer)) | |
203 | (let ((buf (current-buffer)) b e) | |
204 | (dolist (art articles) | |
205 | (nnwarchive-get-article art group server buf) | |
206 | (setq b (goto-char (point-min))) | |
207 | (if (search-forward "\n\n" nil t) | |
208 | (forward-char -1) | |
209 | (goto-char (point-max))) | |
210 | (setq e (point)) | |
211 | (with-current-buffer nntp-server-buffer | |
212 | (insert (format "221 %d Article retrieved.\n" art)) | |
213 | (insert-buffer-substring buf b e) | |
214 | (insert ".\n")))) | |
215 | 'headers) | |
216 | (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache))) | |
217 | (save-excursion | |
218 | (set-buffer nnwarchive-buffer) | |
219 | (erase-buffer) | |
220 | (funcall nnwarchive-xover-files group articles)) | |
221 | (save-excursion | |
222 | (set-buffer nntp-server-buffer) | |
223 | (erase-buffer) | |
224 | (let (header) | |
225 | (dolist (art articles) | |
226 | (if (setq header (assq art nnwarchive-headers)) | |
227 | (nnheader-insert-nov (cdr header)))))) | |
228 | (let ((elem (assoc group nnwarchive-headers-cache))) | |
229 | (if elem | |
230 | (setcdr elem nnwarchive-headers) | |
231 | (push (cons group nnwarchive-headers) nnwarchive-headers-cache))) | |
232 | 'nov)) | |
233 | ||
234 | (deffoo nnwarchive-request-group (group &optional server dont-check) | |
235 | (nnwarchive-possibly-change-server nil server) | |
236 | (when (and (not dont-check) nnwarchive-list-groups) | |
237 | (funcall nnwarchive-list-groups (list group)) | |
238 | (nnwarchive-write-groups)) | |
239 | (let ((elem (assoc group nnwarchive-groups))) | |
240 | (cond | |
241 | ((not elem) | |
242 | (nnheader-report 'nnwarchive "Group does not exist")) | |
243 | (t | |
244 | (nnheader-report 'nnwarchive "Opened group %s" group) | |
245 | (nnheader-insert | |
246 | "211 %d %d %d %s\n" (or (cadr elem) 0) 1 (or (cadr elem) 0) | |
247 | (prin1-to-string group)) | |
248 | t)))) | |
249 | ||
250 | (deffoo nnwarchive-request-article (article &optional group server buffer) | |
251 | (nnwarchive-possibly-change-server group server) | |
252 | (nnwarchive-get-article article group server buffer)) | |
253 | ||
254 | (deffoo nnwarchive-close-server (&optional server) | |
255 | (when (and (nnwarchive-server-opened server) | |
256 | (gnus-buffer-live-p nnwarchive-buffer)) | |
257 | (save-excursion | |
258 | (set-buffer nnwarchive-buffer) | |
259 | (kill-buffer nnwarchive-buffer))) | |
260 | (nnwarchive-backlog | |
261 | (gnus-backlog-shutdown)) | |
262 | (nnoo-close-server 'nnwarchive server)) | |
263 | ||
264 | (deffoo nnwarchive-request-list (&optional server) | |
265 | (nnwarchive-possibly-change-server nil server) | |
266 | (save-excursion | |
267 | (set-buffer nnwarchive-buffer) | |
268 | (erase-buffer) | |
269 | (if nnwarchive-list-url | |
270 | (nnwarchive-url nnwarchive-list-url)) | |
271 | (if nnwarchive-list-dissect | |
272 | (funcall nnwarchive-list-dissect)) | |
273 | (nnwarchive-write-groups) | |
274 | (nnwarchive-generate-active)) | |
275 | t) | |
276 | ||
277 | (deffoo nnwarchive-open-server (server &optional defs connectionless) | |
278 | (nnoo-change-server 'nnwarchive server defs) | |
279 | (nnwarchive-init server) | |
280 | (when nnwarchive-authentication | |
281 | (setq nnwarchive-login | |
282 | (or nnwarchive-login | |
283 | (read-string | |
284 | (format "Login at %s: " server) | |
285 | user-mail-address))) | |
286 | (setq nnwarchive-passwd | |
287 | (or nnwarchive-passwd | |
23f87bed | 288 | (read-passwd |
a1506d29 | 289 | (format "Password for %s at %s: " |
c113de23 GM |
290 | nnwarchive-login server))))) |
291 | (unless nnwarchive-groups | |
292 | (nnwarchive-read-groups)) | |
293 | (save-excursion | |
294 | (set-buffer nnwarchive-buffer) | |
295 | (erase-buffer) | |
296 | (if nnwarchive-open-url | |
297 | (nnwarchive-url nnwarchive-open-url)) | |
298 | (if nnwarchive-open-dissect | |
299 | (funcall nnwarchive-open-dissect))) | |
300 | t) | |
301 | ||
302 | (nnoo-define-skeleton nnwarchive) | |
303 | ||
304 | ;;; Internal functions | |
305 | ||
306 | (defun nnwarchive-possibly-change-server (&optional group server) | |
307 | (nnwarchive-init server) | |
308 | (when (and server | |
309 | (not (nnwarchive-server-opened server))) | |
310 | (nnwarchive-open-server server))) | |
311 | ||
312 | (defun nnwarchive-read-groups () | |
a1506d29 | 313 | (let ((file (expand-file-name (concat "groups-" nnwarchive-address) |
c113de23 GM |
314 | nnwarchive-directory))) |
315 | (when (file-exists-p file) | |
316 | (with-temp-buffer | |
317 | (insert-file-contents file) | |
318 | (goto-char (point-min)) | |
319 | (setq nnwarchive-groups (read (current-buffer))))))) | |
320 | ||
321 | (defun nnwarchive-write-groups () | |
a1506d29 | 322 | (with-temp-file (expand-file-name (concat "groups-" nnwarchive-address) |
c113de23 GM |
323 | nnwarchive-directory) |
324 | (prin1 nnwarchive-groups (current-buffer)))) | |
325 | ||
326 | (defun nnwarchive-init (server) | |
327 | "Initialize buffers and such." | |
328 | (let ((type (intern server)) (defs nnwarchive-type-definition) def) | |
a1506d29 | 329 | (cond |
c113de23 GM |
330 | ((equal server "") |
331 | (setq type nnwarchive-default-type)) | |
332 | ((assq type nnwarchive-type-definition) t) | |
333 | (t | |
334 | (setq type nil) | |
335 | (while (setq def (pop defs)) | |
336 | (when (equal (cdr (assq 'address (cdr def))) server) | |
337 | (setq defs nil) | |
338 | (setq type (car def)))) | |
339 | (unless type | |
340 | (error "Undefined server %s" server)))) | |
341 | (setq nnwarchive-type type)) | |
342 | (unless (file-exists-p nnwarchive-directory) | |
343 | (gnus-make-directory nnwarchive-directory)) | |
344 | (unless (gnus-buffer-live-p nnwarchive-buffer) | |
345 | (setq nnwarchive-buffer | |
346 | (save-excursion | |
347 | (nnheader-set-temp-buffer | |
348 | (format " *nnwarchive %s %s*" nnwarchive-type server))))) | |
349 | (nnwarchive-set-default nnwarchive-type)) | |
350 | ||
c113de23 GM |
351 | (defun nnwarchive-eval (expr) |
352 | (cond | |
353 | ((consp expr) | |
354 | (cons (nnwarchive-eval (car expr)) (nnwarchive-eval (cdr expr)))) | |
355 | ((symbolp expr) | |
356 | (eval expr)) | |
357 | (t | |
358 | expr))) | |
359 | ||
360 | (defun nnwarchive-url (xurl) | |
361 | (mm-with-unibyte-current-buffer | |
23f87bed | 362 | (let ((url-confirmation-func 'identity) ;; Some hacks. |
c113de23 | 363 | (url-cookie-multiple-line nil)) |
a1506d29 | 364 | (cond |
c113de23 GM |
365 | ((eq (car xurl) 'post) |
366 | (pop xurl) | |
23f87bed | 367 | (mm-url-fetch-form (car xurl) (nnwarchive-eval (cdr xurl)))) |
c113de23 | 368 | (t |
23f87bed | 369 | (mm-url-insert (apply 'format (nnwarchive-eval xurl)))))))) |
a1506d29 | 370 | |
c113de23 GM |
371 | (defun nnwarchive-generate-active () |
372 | (save-excursion | |
373 | (set-buffer nntp-server-buffer) | |
374 | (erase-buffer) | |
375 | (dolist (elem nnwarchive-groups) | |
376 | (insert (prin1-to-string (car elem)) | |
377 | " " (number-to-string (or (cadr elem) 0)) " 1 y\n")))) | |
378 | ||
379 | (defun nnwarchive-paged (articles) | |
380 | (let (art narts next) | |
381 | (while (setq art (pop articles)) | |
382 | (when (and (>= art (or next 0)) | |
383 | (not (assq art nnwarchive-headers))) | |
384 | (push art narts) | |
385 | (setq next (+ art nnwarchive-xover-page-size)))) | |
386 | narts)) | |
387 | ||
388 | ;; egroups | |
389 | ||
390 | (defun nnwarchive-egroups-list-groups (groups) | |
391 | (save-excursion | |
392 | (let (articles) | |
393 | (set-buffer nnwarchive-buffer) | |
a1506d29 | 394 | (dolist (group groups) |
c113de23 GM |
395 | (erase-buffer) |
396 | (nnwarchive-url nnwarchive-xover-last-url) | |
397 | (goto-char (point-min)) | |
398 | (when (re-search-forward "of \\([0-9]+\\)[ \t\n\r]*</title>" nil t) | |
a1506d29 | 399 | (setq articles (string-to-number (match-string 1)))) |
c113de23 GM |
400 | (let ((elem (assoc group nnwarchive-groups))) |
401 | (if elem | |
402 | (setcar (cdr elem) articles) | |
403 | (push (list group articles "") nnwarchive-groups))) | |
404 | (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache))) | |
405 | (nnwarchive-egroups-xover group) | |
406 | (let ((elem (assoc group nnwarchive-headers-cache))) | |
407 | (if elem | |
408 | (setcdr elem nnwarchive-headers) | |
409 | (push (cons group nnwarchive-headers) nnwarchive-headers-cache))))))) | |
410 | ||
411 | (defun nnwarchive-egroups-list () | |
412 | (let ((case-fold-search t) | |
413 | group description elem articles) | |
414 | (goto-char (point-min)) | |
a1506d29 | 415 | (while |
c113de23 GM |
416 | (re-search-forward "href=\"/group/\\([^/\"\> ]+\\)" nil t) |
417 | (setq group (match-string 1) | |
418 | description (match-string 2)) | |
419 | (if (setq elem (assoc group nnwarchive-groups)) | |
420 | (setcar (cdr elem) 0) | |
421 | (push (list group articles description) nnwarchive-groups)))) | |
422 | t) | |
423 | ||
424 | (defun nnwarchive-egroups-xover (group) | |
425 | (let (article subject from date) | |
426 | (goto-char (point-min)) | |
427 | (while (re-search-forward | |
428 | "<a href=\"/group/\\([^/]+\\)/\\([0-9]+\\)[^>]+>\\([^<]+\\)<" | |
429 | nil t) | |
430 | (setq group (match-string 1) | |
431 | article (string-to-number (match-string 2)) | |
432 | subject (match-string 3)) | |
433 | (forward-line 1) | |
434 | (unless (assq article nnwarchive-headers) | |
435 | (if (looking-at "<td[^>]+><font[^>]+>\\([^<]+\\)</font>") | |
436 | (setq from (match-string 1))) | |
437 | (forward-line 1) | |
438 | (if (looking-at "<td[^>]+><font[^>]+>\\([^<]+\\)</font>") | |
439 | (setq date (identity (match-string 1)))) | |
440 | (push (cons | |
441 | article | |
442 | (make-full-mail-header | |
a1506d29 | 443 | article |
23f87bed MB |
444 | (mm-url-decode-entities-string subject) |
445 | (mm-url-decode-entities-string from) | |
c113de23 GM |
446 | date |
447 | (concat "<" group "%" | |
a1506d29 | 448 | (number-to-string article) |
c113de23 GM |
449 | "@egroup.com>") |
450 | "" | |
451 | 0 0 "")) nnwarchive-headers)))) | |
452 | nnwarchive-headers) | |
453 | ||
454 | (defun nnwarchive-egroups-article (group articles) | |
455 | (goto-char (point-min)) | |
456 | (if (search-forward "<pre>" nil t) | |
457 | (delete-region (point-min) (point))) | |
458 | (goto-char (point-max)) | |
459 | (if (search-backward "</pre>" nil t) | |
460 | (delete-region (point) (point-max))) | |
461 | (goto-char (point-min)) | |
462 | (while (re-search-forward "<a[^>]+>\\([^<]+\\)</a>" nil t) | |
463 | (replace-match "\\1")) | |
23f87bed | 464 | (mm-url-decode-entities) |
c113de23 GM |
465 | (buffer-string)) |
466 | ||
467 | (defun nnwarchive-egroups-xover-files (group articles) | |
468 | (let (aux auxs) | |
469 | (setq auxs (nnwarchive-paged (sort articles '<))) | |
470 | (while (setq aux (pop auxs)) | |
471 | (goto-char (point-max)) | |
472 | (nnwarchive-url nnwarchive-xover-url)) | |
473 | (if nnwarchive-xover-dissect | |
474 | (nnwarchive-egroups-xover group)))) | |
475 | ||
476 | ;; mail-archive | |
477 | ||
478 | (defun nnwarchive-mail-archive-list-groups (groups) | |
479 | (save-excursion | |
480 | (let (articles) | |
481 | (set-buffer nnwarchive-buffer) | |
482 | (dolist (group groups) | |
483 | (erase-buffer) | |
484 | (nnwarchive-url nnwarchive-xover-last-url) | |
485 | (goto-char (point-min)) | |
486 | (when (re-search-forward "msg\\([0-9]+\\)\\.html" nil t) | |
487 | (setq articles (1+ (string-to-number (match-string 1))))) | |
488 | (let ((elem (assoc group nnwarchive-groups))) | |
489 | (if elem | |
490 | (setcar (cdr elem) articles) | |
491 | (push (list group articles "") nnwarchive-groups))) | |
492 | (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache))) | |
493 | (nnwarchive-mail-archive-xover group) | |
494 | (let ((elem (assoc group nnwarchive-headers-cache))) | |
495 | (if elem | |
496 | (setcdr elem nnwarchive-headers) | |
a1506d29 | 497 | (push (cons group nnwarchive-headers) |
c113de23 GM |
498 | nnwarchive-headers-cache))))))) |
499 | ||
500 | (defun nnwarchive-mail-archive-list () | |
501 | (let ((case-fold-search t) | |
502 | group description elem articles) | |
503 | (goto-char (point-min)) | |
504 | (while (re-search-forward "<a href=\"\\([^/]+\\)/\">\\([^>]+\\)<" nil t) | |
505 | (setq group (match-string 1) | |
506 | description (match-string 2)) | |
507 | (forward-line 1) | |
508 | (setq articles 0) | |
509 | (if (setq elem (assoc group nnwarchive-groups)) | |
510 | (setcar (cdr elem) articles) | |
511 | (push (list group articles description) nnwarchive-groups)))) | |
512 | t) | |
513 | ||
514 | (defun nnwarchive-mail-archive-xover (group) | |
515 | (let (article subject from date) | |
516 | (goto-char (point-min)) | |
517 | (while (re-search-forward | |
518 | "<A[^>]*HREF=\"msg\\([0-9]+\\)\\.html[^>]+>\\([^<]+\\)<" | |
519 | nil t) | |
520 | (setq article (1+ (string-to-number (match-string 1))) | |
521 | subject (match-string 2)) | |
522 | (forward-line 1) | |
523 | (unless (assq article nnwarchive-headers) | |
23f87bed | 524 | (if (looking-at "<UL><LI><EM>From</EM>: *\\([^<]*[^< ]\\) *<\\([^&]+\\)>") |
c113de23 GM |
525 | (progn |
526 | (setq from (match-string 1) | |
527 | date (identity (match-string 2)))) | |
528 | (setq from "" date "")) | |
529 | (push (cons | |
530 | article | |
531 | (make-full-mail-header | |
a1506d29 | 532 | article |
23f87bed MB |
533 | (mm-url-decode-entities-string subject) |
534 | (mm-url-decode-entities-string from) | |
c113de23 GM |
535 | date |
536 | (format "<%05d%%%s>\n" (1- article) group) | |
537 | "" | |
538 | 0 0 "")) nnwarchive-headers)))) | |
539 | nnwarchive-headers) | |
540 | ||
541 | (defun nnwarchive-mail-archive-xover-files (group articles) | |
542 | (unless nnwarchive-headers | |
543 | (erase-buffer) | |
544 | (nnwarchive-url nnwarchive-xover-last-url) | |
545 | (goto-char (point-min)) | |
546 | (nnwarchive-mail-archive-xover group)) | |
547 | (let ((minart (apply 'min articles)) | |
548 | (min (apply 'min (mapcar 'car nnwarchive-headers))) | |
549 | (aux 2)) | |
550 | (while (> min minart) | |
551 | (erase-buffer) | |
552 | (nnwarchive-url nnwarchive-xover-url) | |
553 | (nnwarchive-mail-archive-xover group) | |
554 | (setq min (apply 'min (mapcar 'car nnwarchive-headers)))))) | |
555 | ||
556 | (defvar nnwarchive-caesar-translation-table nil | |
557 | "Modified rot13 table. tr/@A-Z[a-z/N-Z[@A-Mn-za-m/.") | |
558 | ||
559 | (defun nnwarchive-make-caesar-translation-table () | |
560 | "Create modified rot13 table. tr/@A-Z[a-z/N-Z[@A-Mn-za-m/." | |
561 | (let ((i -1) | |
562 | (table (make-string 256 0)) | |
563 | (a (mm-char-int ?a)) | |
564 | (A (mm-char-int ?A))) | |
565 | (while (< (incf i) 256) | |
566 | (aset table i i)) | |
567 | (concat | |
568 | (substring table 0 (1- A)) | |
569 | (substring table (+ A 13) (+ A 27)) | |
570 | (substring table (1- A) (+ A 13)) | |
571 | (substring table (+ A 27) a) | |
572 | (substring table (+ a 13) (+ a 26)) | |
573 | (substring table a (+ a 13)) | |
574 | (substring table (+ a 26) 255)))) | |
575 | ||
576 | (defun nnwarchive-from-r13 (from-r13) | |
577 | (when from-r13 | |
578 | (with-temp-buffer | |
579 | (insert from-r13) | |
580 | (let ((message-caesar-translation-table | |
581 | (or nnwarchive-caesar-translation-table | |
a1506d29 | 582 | (setq nnwarchive-caesar-translation-table |
c113de23 GM |
583 | (nnwarchive-make-caesar-translation-table))))) |
584 | (message-caesar-region (point-min) (point-max)) | |
585 | (buffer-string))))) | |
586 | ||
587 | (defun nnwarchive-mail-archive-article (group article) | |
a1506d29 JB |
588 | (let (p refs url mime e |
589 | from subject date id | |
c113de23 | 590 | done |
379a66de | 591 | (case-fold-search t)) |
c113de23 GM |
592 | (save-restriction |
593 | (goto-char (point-min)) | |
594 | (when (search-forward "X-Head-End" nil t) | |
595 | (beginning-of-line) | |
596 | (narrow-to-region (point-min) (point)) | |
23f87bed | 597 | (mm-url-decode-entities) |
c113de23 GM |
598 | (goto-char (point-min)) |
599 | (while (search-forward "<!--X-" nil t) | |
600 | (replace-match "")) | |
601 | (goto-char (point-min)) | |
602 | (while (search-forward " -->" nil t) | |
603 | (replace-match "")) | |
a1506d29 | 604 | (setq from |
c113de23 | 605 | (or (mail-fetch-field "from") |
a1506d29 | 606 | (nnwarchive-from-r13 |
c113de23 GM |
607 | (mail-fetch-field "from-r13")))) |
608 | (setq date (mail-fetch-field "date")) | |
609 | (setq id (mail-fetch-field "message-id")) | |
610 | (setq subject (mail-fetch-field "subject")) | |
611 | (goto-char (point-max)) | |
612 | (widen)) | |
613 | (when (search-forward "<ul>" nil t) | |
614 | (forward-line) | |
615 | (delete-region (point-min) (point)) | |
616 | (search-forward "</ul>" nil t) | |
617 | (end-of-line) | |
618 | (narrow-to-region (point-min) (point)) | |
23f87bed MB |
619 | (mm-url-remove-markup) |
620 | (mm-url-decode-entities) | |
c113de23 GM |
621 | (goto-char (point-min)) |
622 | (delete-blank-lines) | |
623 | (when from | |
624 | (message-remove-header "from") | |
625 | (goto-char (point-max)) | |
626 | (insert "From: " from "\n")) | |
627 | (when subject | |
628 | (message-remove-header "subject") | |
629 | (goto-char (point-max)) | |
630 | (insert "Subject: " subject "\n")) | |
631 | (when id | |
632 | (goto-char (point-max)) | |
633 | (insert "X-Message-ID: <" id ">\n")) | |
634 | (when date | |
635 | (message-remove-header "date") | |
636 | (goto-char (point-max)) | |
637 | (insert "Date: " date "\n")) | |
638 | (goto-char (point-max)) | |
639 | (widen) | |
640 | (insert "\n")) | |
a1506d29 | 641 | (setq p (point)) |
c113de23 GM |
642 | (when (search-forward "X-Body-of-Message" nil t) |
643 | (forward-line) | |
644 | (delete-region p (point)) | |
645 | (search-forward "X-Body-of-Message-End" nil t) | |
646 | (beginning-of-line) | |
647 | (save-restriction | |
648 | (narrow-to-region p (point)) | |
649 | (goto-char (point-min)) | |
650 | (if (> (skip-chars-forward "\040\n\r\t") 0) | |
651 | (delete-region (point-min) (point))) | |
652 | (while (not (eobp)) | |
a1506d29 JB |
653 | (cond |
654 | ((looking-at "<PRE>\r?\n?") | |
c113de23 GM |
655 | (delete-region (match-beginning 0) (match-end 0)) |
656 | (setq p (point)) | |
657 | (when (search-forward "</PRE>" nil t) | |
658 | (delete-region (match-beginning 0) (match-end 0)) | |
659 | (save-restriction | |
660 | (narrow-to-region p (point)) | |
23f87bed MB |
661 | (mm-url-remove-markup) |
662 | (mm-url-decode-entities) | |
c113de23 GM |
663 | (goto-char (point-max))))) |
664 | ((looking-at "<P><A HREF=\"\\([^\"]+\\)") | |
665 | (setq url (match-string 1)) | |
a1506d29 | 666 | (delete-region (match-beginning 0) |
c113de23 | 667 | (progn (forward-line) (point))) |
a1506d29 | 668 | ;; I hate to download the url encode it, then immediately |
c113de23 | 669 | ;; decode it. |
23f87bed MB |
670 | (insert "<#external" |
671 | " type=" | |
672 | (or (and url | |
673 | (string-match "\\.[^\\.]+$" url) | |
674 | (mailcap-extension-to-mime | |
675 | (match-string 0 url))) | |
676 | "application/octet-stream") | |
677 | (format " url=\"http://www.mail-archive.com/%s/%s\"" | |
c113de23 | 678 | group url) |
23f87bed MB |
679 | ">\n" |
680 | "<#/external>") | |
c113de23 GM |
681 | (setq mime t)) |
682 | (t | |
683 | (setq p (point)) | |
684 | (insert "<#part type=\"text/html\" disposition=inline>") | |
685 | (goto-char | |
a1506d29 JB |
686 | (if (re-search-forward |
687 | "[\040\n\r\t]*<PRE>\\|[\040\n\r\t]*<P><A HREF=\"" | |
c113de23 GM |
688 | nil t) |
689 | (match-beginning 0) | |
690 | (point-max))) | |
691 | (insert "<#/part>") | |
692 | (setq mime t))) | |
693 | (setq p (point)) | |
694 | (if (> (skip-chars-forward "\040\n\r\t") 0) | |
695 | (delete-region p (point)))) | |
696 | (goto-char (point-max)))) | |
697 | (setq p (point)) | |
698 | (when (search-forward "X-References-End" nil t) | |
699 | (setq e (point)) | |
700 | (beginning-of-line) | |
701 | (search-backward "X-References" p t) | |
702 | (while (re-search-forward "msg\\([0-9]+\\)\\.html" e t) | |
703 | (push (concat "<" (match-string 1) "%" group ">") refs))) | |
704 | (delete-region p (point-max)) | |
705 | (goto-char (point-min)) | |
706 | (insert (format "Message-ID: <%05d%%%s>\n" (1- article) group)) | |
707 | (when refs | |
708 | (insert "References:") | |
709 | (while refs | |
710 | (insert " " (pop refs))) | |
711 | (insert "\n")) | |
712 | (when mime | |
a1506d29 | 713 | (unless (looking-at "$") |
c113de23 GM |
714 | (search-forward "\n\n" nil t) |
715 | (forward-line -1)) | |
716 | (narrow-to-region (point) (point-max)) | |
717 | (insert "MIME-Version: 1.0\n" | |
718 | (prog1 | |
719 | (mml-generate-mime) | |
720 | (delete-region (point-min) (point-max)))) | |
721 | (widen))) | |
722 | (buffer-string))) | |
723 | ||
724 | (provide 'nnwarchive) | |
725 | ||
cbee283d | 726 | ;; arch-tag: 1ab7a15c-777a-40e0-95c0-0c41b3963578 |
c113de23 | 727 | ;;; nnwarchive.el ends here |