| 1 | ;;; message.el --- composing mail and news messages |
| 2 | ;; Copyright (C) 1996 Free Software Foundation, Inc. |
| 3 | |
| 4 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> |
| 5 | ;; Keywords: mail, news |
| 6 | |
| 7 | ;; This file is part of GNU Emacs. |
| 8 | |
| 9 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 10 | ;; it under the terms of the GNU General Public License as published by |
| 11 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 12 | ;; any later version. |
| 13 | |
| 14 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | ;; GNU General Public License for more details. |
| 18 | |
| 19 | ;; You should have received a copy of the GNU General Public License |
| 20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 22 | ;; Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;; This mode provides mail-sending facilities from within Emacs. It |
| 27 | ;; consists mainly of large chunks of code from the sendmail.el, |
| 28 | ;; gnus-msg.el and rnewspost.el files. |
| 29 | |
| 30 | ;;; Code: |
| 31 | |
| 32 | (eval-when-compile |
| 33 | (require 'cl)) |
| 34 | (require 'mailheader) |
| 35 | (require 'rmail) |
| 36 | (require 'nnheader) |
| 37 | (require 'timezone) |
| 38 | (require 'easymenu) |
| 39 | (if (string-match "XEmacs\\|Lucid" emacs-version) |
| 40 | (require 'mail-abbrevs) |
| 41 | (require 'mailabbrev)) |
| 42 | |
| 43 | (defvar message-directory "~/Mail/" |
| 44 | "*Directory from which all other mail file variables are derived.") |
| 45 | |
| 46 | (defvar message-max-buffers 10 |
| 47 | "*How many buffers to keep before starting to kill them off.") |
| 48 | |
| 49 | (defvar message-send-rename-function nil |
| 50 | "Function called to rename the buffer after sending it.") |
| 51 | |
| 52 | ;;;###autoload |
| 53 | (defvar message-fcc-handler-function 'rmail-output |
| 54 | "*A function called to save outgoing articles. |
| 55 | This function will be called with the name of the file to store the |
| 56 | article in. The default function is `rmail-output' which saves in Unix |
| 57 | mailbox format.") |
| 58 | |
| 59 | ;;;###autoload |
| 60 | (defvar message-courtesy-message |
| 61 | "The following message is a courtesy copy of an article\nthat has been posted as well.\n\n" |
| 62 | "*This is inserted at the start of a mailed copy of a posted message. |
| 63 | If this variable is nil, no such courtesy message will be added.") |
| 64 | |
| 65 | ;;;###autoload |
| 66 | (defvar message-ignored-bounced-headers "^\\(Received\\|Return-Path\\):" |
| 67 | "*Regexp that matches headers to be removed in resent bounced mail.") |
| 68 | |
| 69 | ;;;###autoload |
| 70 | (defvar message-from-style 'default |
| 71 | "*Specifies how \"From\" headers look. |
| 72 | |
| 73 | If `nil', they contain just the return address like: |
| 74 | king@grassland.com |
| 75 | If `parens', they look like: |
| 76 | king@grassland.com (Elvis Parsley) |
| 77 | If `angles', they look like: |
| 78 | Elvis Parsley <king@grassland.com> |
| 79 | |
| 80 | Otherwise, most addresses look like `angles', but they look like |
| 81 | `parens' if `angles' would need quoting and `parens' would not.") |
| 82 | |
| 83 | ;;;###autoload |
| 84 | (defvar message-syntax-checks nil |
| 85 | "Controls what syntax checks should not be performed on outgoing posts. |
| 86 | To disable checking of long signatures, for instance, add |
| 87 | `(signature . disabled)' to this list. |
| 88 | |
| 89 | Don't touch this variable unless you really know what you're doing. |
| 90 | |
| 91 | Checks include subject-cmsg multiple-headers sendsys message-id from |
| 92 | long-lines control-chars size new-text redirected-followup signature |
| 93 | approved sender empty empty-headers message-id from subject.") |
| 94 | |
| 95 | ;;;###autoload |
| 96 | (defvar message-required-news-headers |
| 97 | '(From Newsgroups Subject Date Message-ID |
| 98 | (optional . Organization) Lines |
| 99 | (optional . X-Newsreader)) |
| 100 | "*Headers to be generated or prompted for when posting an article. |
| 101 | RFC977 and RFC1036 require From, Date, Newsgroups, Subject, |
| 102 | Message-ID. Organization, Lines, In-Reply-To, Expires, and |
| 103 | X-Newsreader are optional. If don't you want message to insert some |
| 104 | header, remove it from this list.") |
| 105 | |
| 106 | ;;;###autoload |
| 107 | (defvar message-required-mail-headers |
| 108 | '(From Subject Date (optional . In-Reply-To) Message-ID Lines |
| 109 | (optional . X-Mailer)) |
| 110 | "*Headers to be generated or prompted for when mailing a message. |
| 111 | RFC822 required that From, Date, To, Subject and Message-ID be |
| 112 | included. Organization, Lines and X-Mailer are optional.") |
| 113 | |
| 114 | ;;;###autoload |
| 115 | (defvar message-deletable-headers '(Message-ID Date) |
| 116 | "*Headers to be deleted if they already exist and were generated by message previously.") |
| 117 | |
| 118 | ;;;###autoload |
| 119 | (defvar message-ignored-news-headers |
| 120 | "^NNTP-Posting-Host:\\|^Xref:\\|^Bcc:\\|^Gcc:\\|^Fcc:" |
| 121 | "*Regexp of headers to be removed unconditionally before posting.") |
| 122 | |
| 123 | ;;;###autoload |
| 124 | (defvar message-ignored-mail-headers "^Gcc:\\|^Fcc:" |
| 125 | "*Regexp of headers to be removed unconditionally before mailing.") |
| 126 | |
| 127 | ;;;###autoload |
| 128 | (defvar message-ignored-supersedes-headers "^Path:\\|^Date\\|^NNTP-Posting-Host:\\|^Xref:\\|^Lines:\\|^Received:\\|^X-From-Line:\\|Return-Path:\\|^Supersedes:" |
| 129 | "*Header lines matching this regexp will be deleted before posting. |
| 130 | It's best to delete old Path and Date headers before posting to avoid |
| 131 | any confusion.") |
| 132 | |
| 133 | ;;;###autoload |
| 134 | (defvar message-signature-separator "^-- *$" |
| 135 | "Regexp matching the signature separator.") |
| 136 | |
| 137 | ;;;###autoload |
| 138 | (defvar message-interactive nil |
| 139 | "Non-nil means when sending a message wait for and display errors. |
| 140 | nil means let mailer mail back a message to report errors.") |
| 141 | |
| 142 | ;;;###autoload |
| 143 | (defvar message-generate-new-buffers t |
| 144 | "*Non-nil means that a new message buffer will be created whenever `mail-setup' is called. |
| 145 | If this is a function, call that function with three parameters: The type, |
| 146 | the to address and the group name. (Any of these may be nil.) The function |
| 147 | should return the new buffer name.") |
| 148 | |
| 149 | ;;;###autoload |
| 150 | (defvar message-kill-buffer-on-exit nil |
| 151 | "*Non-nil means that the message buffer will be killed after sending a message.") |
| 152 | |
| 153 | (defvar gnus-local-organization) |
| 154 | (defvar message-user-organization |
| 155 | (or (and (boundp 'gnus-local-organization) |
| 156 | gnus-local-organization) |
| 157 | (getenv "ORGANIZATION") |
| 158 | t) |
| 159 | "*String to be used as an Organization header. |
| 160 | If t, use `message-user-organization-file'.") |
| 161 | |
| 162 | ;;;###autoload |
| 163 | (defvar message-user-organization-file "/usr/lib/news/organization" |
| 164 | "*Local news organization file.") |
| 165 | |
| 166 | (defvar message-autosave-directory "~/" |
| 167 | ; (concat (file-name-as-directory message-directory) "drafts/") |
| 168 | "*Directory where message autosaves buffers. |
| 169 | If nil, message won't autosave.") |
| 170 | |
| 171 | (defvar message-forward-start-separator |
| 172 | "------- Start of forwarded message -------\n" |
| 173 | "*Delimiter inserted before forwarded messages.") |
| 174 | |
| 175 | (defvar message-forward-end-separator |
| 176 | "------- End of forwarded message -------\n" |
| 177 | "*Delimiter inserted after forwarded messages.") |
| 178 | |
| 179 | ;;;###autoload |
| 180 | (defvar message-signature-before-forwarded-message t |
| 181 | "*If non-nil, put the signature before any included forwarded message.") |
| 182 | |
| 183 | ;;;###autoload |
| 184 | (defvar message-included-forward-headers |
| 185 | "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-\\|^Message-ID:\\|^References:" |
| 186 | "*Regexp matching headers to be included in forwarded messages.") |
| 187 | |
| 188 | ;;;###autoload |
| 189 | (defvar message-ignored-resent-headers "^Return-receipt" |
| 190 | "*All headers that match this regexp will be deleted when resending a message.") |
| 191 | |
| 192 | ;;;###autoload |
| 193 | (defvar message-ignored-cited-headers "." |
| 194 | "Delete these headers from the messages you yank.") |
| 195 | |
| 196 | ;; Useful to set in site-init.el |
| 197 | ;;;###autoload |
| 198 | (defvar message-send-mail-function 'message-send-mail-with-sendmail |
| 199 | "Function to call to send the current buffer as mail. |
| 200 | The headers should be delimited by a line whose contents match the |
| 201 | variable `mail-header-separator'. |
| 202 | |
| 203 | Legal values include `message-send-mail-with-mh' and |
| 204 | `message-send-mail-with-sendmail', which is the default.") |
| 205 | |
| 206 | ;;;###autoload |
| 207 | (defvar message-send-news-function 'message-send-news |
| 208 | "Function to call to send the current buffer as news. |
| 209 | The headers should be delimited by a line whose contents match the |
| 210 | variable `mail-header-separator'.") |
| 211 | |
| 212 | ;;;###autoload |
| 213 | (defvar message-reply-to-function nil |
| 214 | "Function that should return a list of headers. |
| 215 | This function should pick out addresses from the To, Cc, and From headers |
| 216 | and respond with new To and Cc headers.") |
| 217 | |
| 218 | ;;;###autoload |
| 219 | (defvar message-wide-reply-to-function nil |
| 220 | "Function that should return a list of headers. |
| 221 | This function should pick out addresses from the To, Cc, and From headers |
| 222 | and respond with new To and Cc headers.") |
| 223 | |
| 224 | ;;;###autoload |
| 225 | (defvar message-followup-to-function nil |
| 226 | "Function that should return a list of headers. |
| 227 | This function should pick out addresses from the To, Cc, and From headers |
| 228 | and respond with new To and Cc headers.") |
| 229 | |
| 230 | ;;;###autoload |
| 231 | (defvar message-use-followup-to 'ask |
| 232 | "*Specifies what to do with Followup-To header. |
| 233 | If nil, ignore the header. If it is t, use its value, but query before |
| 234 | using the \"poster\" value. If it is the symbol `ask', query the user |
| 235 | whether to ignore the \"poster\" value. If it is the symbol `use', |
| 236 | always use the value.") |
| 237 | |
| 238 | (defvar gnus-post-method) |
| 239 | (defvar gnus-select-method) |
| 240 | ;;;###autoload |
| 241 | (defvar message-post-method |
| 242 | (cond ((and (boundp 'gnus-post-method) |
| 243 | gnus-post-method) |
| 244 | gnus-post-method) |
| 245 | ((boundp 'gnus-select-method) |
| 246 | gnus-select-method) |
| 247 | (t '(nnspool ""))) |
| 248 | "Method used to post news.") |
| 249 | |
| 250 | ;;;###autoload |
| 251 | (defvar message-generate-headers-first nil |
| 252 | "*If non-nil, generate all possible headers before composing.") |
| 253 | |
| 254 | (defvar message-setup-hook nil |
| 255 | "Normal hook, run each time a new outgoing message is initialized. |
| 256 | The function `message-setup' runs this hook.") |
| 257 | |
| 258 | (defvar message-signature-setup-hook nil |
| 259 | "Normal hook, run each time a new outgoing message is initialized. |
| 260 | It is run after the headers have been inserted and before |
| 261 | the signature is inserted.") |
| 262 | |
| 263 | (defvar message-mode-hook |
| 264 | (if (fboundp 'mail-abbrevs-setup) |
| 265 | '(mail-abbrevs-setup) |
| 266 | (list (intern "mail-aliases-setup"))) |
| 267 | "Hook run in message mode buffers.") |
| 268 | |
| 269 | (defvar message-header-hook nil |
| 270 | "Hook run in a message mode buffer narrowed to the headers.") |
| 271 | |
| 272 | (defvar message-header-setup-hook nil |
| 273 | "Hook called narrowed to the headers when setting up a message buffer.") |
| 274 | |
| 275 | ;;;###autoload |
| 276 | (defvar message-citation-line-function 'message-insert-citation-line |
| 277 | "*Function called to insert the \"Whomever writes:\" line.") |
| 278 | |
| 279 | ;;;###autoload |
| 280 | (defvar message-yank-prefix "> " |
| 281 | "*Prefix inserted on the lines of yanked messages. |
| 282 | nil means use indentation.") |
| 283 | |
| 284 | (defvar message-indentation-spaces 3 |
| 285 | "*Number of spaces to insert at the beginning of each cited line. |
| 286 | Used by `message-yank-original' via `message-yank-cite'.") |
| 287 | |
| 288 | ;;;###autoload |
| 289 | (defvar message-cite-function 'message-cite-original |
| 290 | "*Function for citing an original message.") |
| 291 | |
| 292 | ;;;###autoload |
| 293 | (defvar message-indent-citation-function 'message-indent-citation |
| 294 | "*Function for modifying a citation just inserted in the mail buffer. |
| 295 | This can also be a list of functions. Each function can find the |
| 296 | citation between (point) and (mark t). And each function should leave |
| 297 | point and mark around the citation text as modified.") |
| 298 | |
| 299 | (defvar message-abbrevs-loaded nil) |
| 300 | |
| 301 | ;;;###autoload |
| 302 | (defvar message-signature t |
| 303 | "*String to be inserted at the end of the message buffer. |
| 304 | If t, the `message-signature-file' file will be inserted instead. |
| 305 | If a function, the result from the function will be used instead. |
| 306 | If a form, the result from the form will be used instead.") |
| 307 | |
| 308 | ;;;###autoload |
| 309 | (defvar message-signature-file "~/.signature" |
| 310 | "*File containing the text inserted at end of message. buffer.") |
| 311 | |
| 312 | (defvar message-distribution-function nil |
| 313 | "*Function called to return a Distribution header.") |
| 314 | |
| 315 | (defvar message-expires 14 |
| 316 | "*Number of days before your article expires.") |
| 317 | |
| 318 | (defvar message-user-path nil |
| 319 | "If nil, use the NNTP server name in the Path header. |
| 320 | If stringp, use this; if non-nil, use no host name (user name only).") |
| 321 | |
| 322 | (defvar message-reply-buffer nil) |
| 323 | (defvar message-reply-headers nil) |
| 324 | (defvar message-newsreader nil) |
| 325 | (defvar message-mailer nil) |
| 326 | (defvar message-sent-message-via nil) |
| 327 | (defvar message-checksum nil) |
| 328 | (defvar message-send-actions nil |
| 329 | "A list of actions to be performed upon successful sending of a message.") |
| 330 | (defvar message-exit-actions nil |
| 331 | "A list of actions to be performed upon exiting after sending a message.") |
| 332 | (defvar message-kill-actions nil |
| 333 | "A list of actions to be performed before killing a message buffer.") |
| 334 | (defvar message-postpone-actions nil |
| 335 | "A list of actions to be performed after postponing a message.") |
| 336 | |
| 337 | ;;;###autoload |
| 338 | (defvar message-default-headers nil |
| 339 | "*A string containing header lines to be inserted in outgoing messages. |
| 340 | It is inserted before you edit the message, so you can edit or delete |
| 341 | these lines.") |
| 342 | |
| 343 | ;;;###autoload |
| 344 | (defvar message-default-mail-headers nil |
| 345 | "*A string of header lines to be inserted in outgoing mails.") |
| 346 | |
| 347 | ;;;###autoload |
| 348 | (defvar message-default-news-headers nil |
| 349 | "*A string of header lines to be inserted in outgoing news articles.") |
| 350 | |
| 351 | ;; Note: could use /usr/ucb/mail instead of sendmail; |
| 352 | ;; options -t, and -v if not interactive. |
| 353 | (defvar message-mailer-swallows-blank-line |
| 354 | (if (and (string-match "sparc-sun-sunos\\(\\'\\|[^5]\\)" |
| 355 | system-configuration) |
| 356 | (file-readable-p "/etc/sendmail.cf") |
| 357 | (let ((buffer (get-buffer-create " *temp*"))) |
| 358 | (unwind-protect |
| 359 | (save-excursion |
| 360 | (set-buffer buffer) |
| 361 | (insert-file-contents "/etc/sendmail.cf") |
| 362 | (goto-char (point-min)) |
| 363 | (let ((case-fold-search nil)) |
| 364 | (re-search-forward "^OR\\>" nil t))) |
| 365 | (kill-buffer buffer)))) |
| 366 | ;; According to RFC822, "The field-name must be composed of printable |
| 367 | ;; ASCII characters (i.e. characters that have decimal values between |
| 368 | ;; 33 and 126, except colon)", i.e. any chars except ctl chars, |
| 369 | ;; space, or colon. |
| 370 | '(looking-at "[ \t]\\|[][!\"#$%&'()*+,-./0-9;<=>?@A-Z\\\\^_`a-z{|}~]+:")) |
| 371 | "Set this non-nil if the system's mailer runs the header and body together. |
| 372 | \(This problem exists on Sunos 4 when sendmail is run in remote mode.) |
| 373 | The value should be an expression to test whether the problem will |
| 374 | actually occur.") |
| 375 | |
| 376 | (defvar message-mode-syntax-table |
| 377 | (let ((table (copy-syntax-table text-mode-syntax-table))) |
| 378 | (modify-syntax-entry ?% ". " table) |
| 379 | table) |
| 380 | "Syntax table used while in Message mode.") |
| 381 | |
| 382 | (defvar message-font-lock-keywords |
| 383 | (let* ((cite-prefix "A-Za-z") (cite-suffix (concat cite-prefix "0-9_.@-"))) |
| 384 | (list '("^To:" . font-lock-function-name-face) |
| 385 | '("^[GBF]?[Cc][Cc]:\\|^Reply-To:" . font-lock-keyword-face) |
| 386 | '("^\\(Subject:\\)[ \t]*\\(.+\\)?" |
| 387 | (1 font-lock-comment-face) (2 font-lock-type-face nil t)) |
| 388 | (list (concat "^\\(" (regexp-quote mail-header-separator) "\\)$") |
| 389 | 1 'font-lock-comment-face) |
| 390 | (cons (concat "^[ \t]*" |
| 391 | "\\([" cite-prefix "]+[" cite-suffix "]*\\)?" |
| 392 | "[>|}].*") |
| 393 | 'font-lock-reference-face) |
| 394 | '("^\\(X-[A-Za-z0-9-]+\\|In-reply-to\\):.*" |
| 395 | . font-lock-string-face))) |
| 396 | "Additional expressions to highlight in Message mode.") |
| 397 | |
| 398 | (defvar message-face-alist |
| 399 | '((bold . bold-region) |
| 400 | (underline . underline-region) |
| 401 | (default . (lambda (b e) |
| 402 | (unbold-region b e) |
| 403 | (ununderline-region b e)))) |
| 404 | "Alist of mail and news faces for facemenu. |
| 405 | The cdr of ech entry is a function for applying the face to a region.") |
| 406 | |
| 407 | (defvar message-send-hook nil |
| 408 | "Hook run before sending messages.") |
| 409 | |
| 410 | (defvar message-sent-hook nil |
| 411 | "Hook run after sending messages.") |
| 412 | |
| 413 | ;;; Internal variables. |
| 414 | |
| 415 | (defvar message-buffer-list nil) |
| 416 | |
| 417 | ;;; Regexp matching the delimiter of messages in UNIX mail format |
| 418 | ;;; (UNIX From lines), minus the initial ^. |
| 419 | (defvar message-unix-mail-delimiter |
| 420 | (let ((time-zone-regexp |
| 421 | (concat "\\([A-Z]?[A-Z]?[A-Z][A-Z]\\( DST\\)?" |
| 422 | "\\|[-+]?[0-9][0-9][0-9][0-9]" |
| 423 | "\\|" |
| 424 | "\\) *"))) |
| 425 | (concat |
| 426 | "From " |
| 427 | |
| 428 | ;; Username, perhaps with a quoted section that can contain spaces. |
| 429 | "\\(" |
| 430 | "[^ \n]*" |
| 431 | "\\(\\|\".*\"[^ \n]*\\)" |
| 432 | "\\|<[^<>\n]+>" |
| 433 | "\\) ?" |
| 434 | |
| 435 | ;; The time the message was sent. |
| 436 | "\\([^ \n]*\\) *" ; day of the week |
| 437 | "\\([^ ]*\\) *" ; month |
| 438 | "\\([0-9]*\\) *" ; day of month |
| 439 | "\\([0-9:]*\\) *" ; time of day |
| 440 | |
| 441 | ;; Perhaps a time zone, specified by an abbreviation, or by a |
| 442 | ;; numeric offset. |
| 443 | time-zone-regexp |
| 444 | |
| 445 | ;; The year. |
| 446 | " [0-9][0-9]\\([0-9]*\\) *" |
| 447 | |
| 448 | ;; On some systems the time zone can appear after the year, too. |
| 449 | time-zone-regexp |
| 450 | |
| 451 | ;; Old uucp cruft. |
| 452 | "\\(remote from .*\\)?" |
| 453 | |
| 454 | "\n"))) |
| 455 | |
| 456 | (defvar message-unsent-separator |
| 457 | (concat "^ *---+ +Unsent message follows +---+ *$\\|" |
| 458 | "^ *---+ +Returned message +---+ *$\\|" |
| 459 | "^Start of returned message$\\|" |
| 460 | "^ *---+ +Original message +---+ *$\\|" |
| 461 | "^ *--+ +begin message +--+ *$\\|" |
| 462 | "^ *---+ +Original message follows +---+ *$\\|" |
| 463 | "^|? *---+ +Message text follows: +---+ *|?$") |
| 464 | "A regexp that matches the separator before the text of a failed message.") |
| 465 | |
| 466 | (defvar message-header-format-alist |
| 467 | `((Newsgroups) |
| 468 | (To . message-fill-address) |
| 469 | (Cc . message-fill-address) |
| 470 | (Subject) |
| 471 | (In-Reply-To) |
| 472 | (Fcc) |
| 473 | (Bcc) |
| 474 | (Date) |
| 475 | (Organization) |
| 476 | (Distribution) |
| 477 | (Lines) |
| 478 | (Expires) |
| 479 | (Message-ID) |
| 480 | (References . message-fill-header) |
| 481 | (X-Mailer) |
| 482 | (X-Newsreader)) |
| 483 | "Alist used for formatting headers.") |
| 484 | |
| 485 | (eval-and-compile |
| 486 | (autoload 'message-setup-toolbar "messagexmas") |
| 487 | (autoload 'mh-send-letter "mh-comp")) |
| 488 | |
| 489 | \f |
| 490 | |
| 491 | ;;; |
| 492 | ;;; Utility functions. |
| 493 | ;;; |
| 494 | |
| 495 | (defun message-point-at-bol () |
| 496 | "Return point at the beginning of the line." |
| 497 | (let ((p (point))) |
| 498 | (beginning-of-line) |
| 499 | (prog1 |
| 500 | (point) |
| 501 | (goto-char p)))) |
| 502 | |
| 503 | (defun message-point-at-eol () |
| 504 | "Return point at the end of the line." |
| 505 | (let ((p (point))) |
| 506 | (end-of-line) |
| 507 | (prog1 |
| 508 | (point) |
| 509 | (goto-char p)))) |
| 510 | |
| 511 | ;; Delete the current line (and the next N lines.); |
| 512 | (defmacro message-delete-line (&optional n) |
| 513 | `(delete-region (progn (beginning-of-line) (point)) |
| 514 | (progn (forward-line ,(or n 1)) (point)))) |
| 515 | |
| 516 | (defun message-tokenize-header (header &optional separator) |
| 517 | "Split HEADER into a list of header elements. |
| 518 | \",\" is used as the separator." |
| 519 | (let ((regexp (format "[%s]+" (or separator ","))) |
| 520 | (beg 1) |
| 521 | quoted elems) |
| 522 | (save-excursion |
| 523 | (message-set-work-buffer) |
| 524 | (insert header) |
| 525 | (goto-char (point-min)) |
| 526 | (while (not (eobp)) |
| 527 | (forward-char 1) |
| 528 | (cond ((and (> (point) beg) |
| 529 | (or (eobp) |
| 530 | (and (looking-at regexp) |
| 531 | (not quoted)))) |
| 532 | (push (buffer-substring beg (point)) elems) |
| 533 | (setq beg (match-end 0))) |
| 534 | ((= (following-char) ?\") |
| 535 | (setq quoted (not quoted))))) |
| 536 | (nreverse elems)))) |
| 537 | |
| 538 | (defun message-fetch-field (header) |
| 539 | "The same as `mail-fetch-field', only remove all newlines." |
| 540 | (let ((value (mail-fetch-field header))) |
| 541 | (when value |
| 542 | (nnheader-replace-chars-in-string value ?\n ? )))) |
| 543 | |
| 544 | (defun message-fetch-reply-field (header) |
| 545 | "Fetch FIELD from the message we're replying to." |
| 546 | (when (and message-reply-buffer |
| 547 | (buffer-name message-reply-buffer)) |
| 548 | (save-excursion |
| 549 | (set-buffer message-reply-buffer) |
| 550 | (message-fetch-field header)))) |
| 551 | |
| 552 | (defun message-set-work-buffer () |
| 553 | (if (get-buffer " *message work*") |
| 554 | (progn |
| 555 | (set-buffer " *message work*") |
| 556 | (erase-buffer)) |
| 557 | (set-buffer (get-buffer-create " *message work*")) |
| 558 | (kill-all-local-variables) |
| 559 | (buffer-disable-undo (current-buffer)))) |
| 560 | |
| 561 | (defun message-functionp (form) |
| 562 | "Return non-nil if FORM is funcallable." |
| 563 | (or (and (symbolp form) (fboundp form)) |
| 564 | (and (listp form) (eq (car form) 'lambda)))) |
| 565 | |
| 566 | (defun message-strip-subject-re (subject) |
| 567 | "Remove \"Re:\" from subject lines." |
| 568 | (if (string-match "^[Rr][Ee]: *" subject) |
| 569 | (substring subject (match-end 0)) |
| 570 | subject)) |
| 571 | |
| 572 | (defun message-remove-header (header &optional is-regexp first reverse) |
| 573 | "Remove HEADER in the narrowed buffer. |
| 574 | If REGEXP, HEADER is a regular expression. |
| 575 | If FIRST, only remove the first instance of the header. |
| 576 | Return the number of headers removed." |
| 577 | (goto-char (point-min)) |
| 578 | (let ((regexp (if is-regexp header (concat "^" header ":"))) |
| 579 | (number 0) |
| 580 | (case-fold-search t) |
| 581 | last) |
| 582 | (while (and (not (eobp)) |
| 583 | (not last)) |
| 584 | (if (if reverse |
| 585 | (not (looking-at regexp)) |
| 586 | (looking-at regexp)) |
| 587 | (progn |
| 588 | (incf number) |
| 589 | (when first |
| 590 | (setq last t)) |
| 591 | (delete-region |
| 592 | (point) |
| 593 | ;; There might be a continuation header, so we have to search |
| 594 | ;; until we find a new non-continuation line. |
| 595 | (progn |
| 596 | (forward-line 1) |
| 597 | (if (re-search-forward "^[^ \t]" nil t) |
| 598 | (goto-char (match-beginning 0)) |
| 599 | (point-max))))) |
| 600 | (forward-line 1) |
| 601 | (if (re-search-forward "^[^ \t]" nil t) |
| 602 | (goto-char (match-beginning 0)) |
| 603 | (point-max)))) |
| 604 | number)) |
| 605 | |
| 606 | (defun message-narrow-to-headers () |
| 607 | "Narrow the buffer to the head of the message." |
| 608 | (widen) |
| 609 | (narrow-to-region |
| 610 | (goto-char (point-min)) |
| 611 | (if (re-search-forward |
| 612 | (concat "^" (regexp-quote mail-header-separator) "\n") nil t) |
| 613 | (match-beginning 0) |
| 614 | (point-max))) |
| 615 | (goto-char (point-min))) |
| 616 | |
| 617 | (defun message-narrow-to-head () |
| 618 | "Narrow the buffer to the head of the message." |
| 619 | (widen) |
| 620 | (narrow-to-region |
| 621 | (goto-char (point-min)) |
| 622 | (if (search-forward "\n\n" nil 1) |
| 623 | (1- (point)) |
| 624 | (point-max))) |
| 625 | (goto-char (point-min))) |
| 626 | |
| 627 | (defun message-news-p () |
| 628 | "Say whether the current buffer contains a news message." |
| 629 | (save-excursion |
| 630 | (save-restriction |
| 631 | (message-narrow-to-headers) |
| 632 | (message-fetch-field "newsgroups")))) |
| 633 | |
| 634 | (defun message-mail-p () |
| 635 | "Say whether the current buffer contains a mail message." |
| 636 | (save-excursion |
| 637 | (save-restriction |
| 638 | (message-narrow-to-headers) |
| 639 | (or (message-fetch-field "to") |
| 640 | (message-fetch-field "cc") |
| 641 | (message-fetch-field "bcc"))))) |
| 642 | |
| 643 | (defun message-next-header () |
| 644 | "Go to the beginning of the next header." |
| 645 | (beginning-of-line) |
| 646 | (or (eobp) (forward-char 1)) |
| 647 | (not (if (re-search-forward "^[^ \t]" nil t) |
| 648 | (beginning-of-line) |
| 649 | (goto-char (point-max))))) |
| 650 | |
| 651 | (defun message-sort-headers-1 () |
| 652 | "Sort the buffer as headers using `message-rank' text props." |
| 653 | (goto-char (point-min)) |
| 654 | (sort-subr |
| 655 | nil 'message-next-header |
| 656 | (lambda () |
| 657 | (message-next-header) |
| 658 | (unless (bobp) |
| 659 | (forward-char -1))) |
| 660 | (lambda () |
| 661 | (or (get-text-property (point) 'message-rank) |
| 662 | 0)))) |
| 663 | |
| 664 | (defun message-sort-headers () |
| 665 | "Sort the headers of the current message according to `message-header-format-alist'." |
| 666 | (interactive) |
| 667 | (save-excursion |
| 668 | (save-restriction |
| 669 | (let ((max (1+ (length message-header-format-alist))) |
| 670 | rank) |
| 671 | (message-narrow-to-headers) |
| 672 | (while (re-search-forward "^[^ \n]+:" nil t) |
| 673 | (put-text-property |
| 674 | (match-beginning 0) (1+ (match-beginning 0)) |
| 675 | 'message-rank |
| 676 | (if (setq rank (length (memq (assq (intern (buffer-substring |
| 677 | (match-beginning 0) |
| 678 | (1- (match-end 0)))) |
| 679 | message-header-format-alist) |
| 680 | message-header-format-alist))) |
| 681 | (- max rank) |
| 682 | (1+ max))))) |
| 683 | (message-sort-headers-1)))) |
| 684 | |
| 685 | (defmacro message-y-or-n-p (question show &rest text) |
| 686 | "Ask QUESTION, displaying the rest of the arguments in a temporary buffer." |
| 687 | `(message-talkative-question 'y-or-n-p ,question ,show ,@text)) |
| 688 | |
| 689 | (defun message-talkative-question (ask question show &rest text) |
| 690 | "Call FUNCTION with argument QUESTION, displaying the rest of the arguments in a temporary buffer if SHOW. |
| 691 | The following arguments may contain lists of values." |
| 692 | (if (and show |
| 693 | (setq text (message-flatten-list text))) |
| 694 | (save-window-excursion |
| 695 | (save-excursion |
| 696 | (with-output-to-temp-buffer " *MESSAGE information message*" |
| 697 | (set-buffer " *MESSAGE information message*") |
| 698 | (mapcar 'princ text) |
| 699 | (goto-char (point-min)))) |
| 700 | (funcall ask question)) |
| 701 | (funcall ask question))) |
| 702 | |
| 703 | (defun message-flatten-list (&rest list) |
| 704 | (message-flatten-list-1 list)) |
| 705 | |
| 706 | (defun message-flatten-list-1 (list) |
| 707 | (cond ((consp list) |
| 708 | (apply 'nconc (mapcar 'message-flatten-list-1 list))) |
| 709 | (list |
| 710 | (list list)))) |
| 711 | \f |
| 712 | |
| 713 | ;;; |
| 714 | ;;; Message mode |
| 715 | ;;; |
| 716 | |
| 717 | ;;; Set up keymap. |
| 718 | |
| 719 | (defvar message-mode-map nil) |
| 720 | |
| 721 | (unless message-mode-map |
| 722 | (setq message-mode-map (copy-keymap text-mode-map)) |
| 723 | (define-key message-mode-map "\C-c?" 'describe-mode) |
| 724 | |
| 725 | (define-key message-mode-map "\C-c\C-f\C-t" 'message-goto-to) |
| 726 | (define-key message-mode-map "\C-c\C-f\C-b" 'message-goto-bcc) |
| 727 | (define-key message-mode-map "\C-c\C-f\C-w" 'message-goto-fcc) |
| 728 | (define-key message-mode-map "\C-c\C-f\C-c" 'message-goto-cc) |
| 729 | (define-key message-mode-map "\C-c\C-f\C-s" 'message-goto-subject) |
| 730 | (define-key message-mode-map "\C-c\C-f\C-r" 'message-goto-reply-to) |
| 731 | (define-key message-mode-map "\C-c\C-f\C-n" 'message-goto-newsgroups) |
| 732 | (define-key message-mode-map "\C-c\C-f\C-d" 'message-goto-distribution) |
| 733 | (define-key message-mode-map "\C-c\C-f\C-f" 'message-goto-followup-to) |
| 734 | (define-key message-mode-map "\C-c\C-f\C-k" 'message-goto-keywords) |
| 735 | (define-key message-mode-map "\C-c\C-f\C-u" 'message-goto-summary) |
| 736 | (define-key message-mode-map "\C-c\C-b" 'message-goto-body) |
| 737 | (define-key message-mode-map "\C-c\C-i" 'message-goto-signature) |
| 738 | |
| 739 | (define-key message-mode-map "\C-c\C-t" 'message-insert-to) |
| 740 | (define-key message-mode-map "\C-c\C-n" 'message-insert-newsgroups) |
| 741 | |
| 742 | (define-key message-mode-map "\C-c\C-y" 'message-yank-original) |
| 743 | (define-key message-mode-map "\C-c\C-q" 'message-fill-yanked-message) |
| 744 | (define-key message-mode-map "\C-c\C-w" 'message-insert-signature) |
| 745 | (define-key message-mode-map "\C-c\C-r" 'message-caesar-buffer-body) |
| 746 | (define-key message-mode-map "\C-c\C-o" 'message-sort-headers) |
| 747 | (define-key message-mode-map "\C-c\M-r" 'message-rename-buffer) |
| 748 | |
| 749 | (define-key message-mode-map "\C-c\C-c" 'message-send-and-exit) |
| 750 | (define-key message-mode-map "\C-c\C-s" 'message-send) |
| 751 | (define-key message-mode-map "\C-c\C-k" 'message-kill-buffer) |
| 752 | (define-key message-mode-map "\C-c\C-d" 'message-dont-send) |
| 753 | |
| 754 | (define-key message-mode-map "\t" 'message-tab)) |
| 755 | |
| 756 | (easy-menu-define message-mode-menu message-mode-map |
| 757 | "Message Menu." |
| 758 | '("Message" |
| 759 | "Go to Field:" |
| 760 | "----" |
| 761 | ["To" message-goto-to t] |
| 762 | ["Subject" message-goto-subject t] |
| 763 | ["Cc" message-goto-cc t] |
| 764 | ["Reply-to" message-goto-reply-to t] |
| 765 | ["Summary" message-goto-summary t] |
| 766 | ["Keywords" message-goto-keywords t] |
| 767 | ["Newsgroups" message-goto-newsgroups t] |
| 768 | ["Followup-To" message-goto-followup-to t] |
| 769 | ["Distribution" message-goto-distribution t] |
| 770 | ["Body" message-goto-body t] |
| 771 | ["Signature" message-goto-signature t] |
| 772 | "----" |
| 773 | "Miscellaneous Commands:" |
| 774 | "----" |
| 775 | ["Sort Headers" message-sort-headers t] |
| 776 | ["Yank Original" message-yank-original t] |
| 777 | ["Fill Yanked Message" message-fill-yanked-message t] |
| 778 | ["Insert Signature" message-insert-signature t] |
| 779 | ["Caesar (rot13) Message" message-caesar-buffer-body t] |
| 780 | ["Rename buffer" message-rename-buffer t] |
| 781 | ["Spellcheck" ispell-message t] |
| 782 | "----" |
| 783 | ["Send Message" message-send-and-exit t] |
| 784 | ["Abort Message" message-dont-send t])) |
| 785 | |
| 786 | (defvar facemenu-add-face-function) |
| 787 | (defvar facemenu-remove-face-function) |
| 788 | |
| 789 | ;;;###autoload |
| 790 | (defun message-mode () |
| 791 | "Major mode for editing mail and news to be sent. |
| 792 | Like Text Mode but with these additional commands: |
| 793 | C-c C-s message-send (send the message) C-c C-c message-send-and-exit |
| 794 | C-c C-f move to a header field (and create it if there isn't): |
| 795 | C-c C-f C-t move to To C-c C-f C-s move to Subject |
| 796 | C-c C-f C-c move to Cc C-c C-f C-b move to Bcc |
| 797 | C-c C-f C-f move to Fcc C-c C-f C-r move to Reply-To |
| 798 | C-c C-f C-u move to Summary C-c C-f C-n move to Newsgroups |
| 799 | C-c C-f C-k move to Keywords C-c C-f C-d move to Distribution |
| 800 | C-c C-f C-o move to Followup-To |
| 801 | C-c C-t message-insert-to (add a To header to a news followup) |
| 802 | C-c C-n message-insert-newsgroups (add a Newsgroup header to a news reply) |
| 803 | C-c C-b message-goto-body (move to beginning of message text). |
| 804 | C-c C-i message-goto-signature (move to the beginning of the signature). |
| 805 | C-c C-w message-insert-signature (insert `message-signature-file' file). |
| 806 | C-c C-y message-yank-original (insert current message, if any). |
| 807 | C-c C-q message-fill-yanked-message (fill what was yanked). |
| 808 | C-c C-r message-caesar-buffer-body (rot13 the message body)." |
| 809 | (interactive) |
| 810 | (kill-all-local-variables) |
| 811 | (make-local-variable 'message-reply-buffer) |
| 812 | (setq message-reply-buffer nil) |
| 813 | (make-local-variable 'message-send-actions) |
| 814 | (make-local-variable 'message-exit-actions) |
| 815 | (make-local-variable 'message-kill-actions) |
| 816 | (make-local-variable 'message-postpone-actions) |
| 817 | (set-syntax-table message-mode-syntax-table) |
| 818 | (use-local-map message-mode-map) |
| 819 | (setq local-abbrev-table text-mode-abbrev-table) |
| 820 | (setq major-mode 'message-mode) |
| 821 | (setq mode-name "Message") |
| 822 | (setq buffer-offer-save t) |
| 823 | (make-local-variable 'font-lock-defaults) |
| 824 | (setq font-lock-defaults '(message-font-lock-keywords t)) |
| 825 | (make-local-variable 'facemenu-add-face-function) |
| 826 | (make-local-variable 'facemenu-remove-face-function) |
| 827 | (setq facemenu-add-face-function |
| 828 | (lambda (face end) |
| 829 | (let ((face-fun (cdr (assq face message-face-alist)))) |
| 830 | (if face-fun |
| 831 | (funcall face-fun (point) end) |
| 832 | (error "Face %s not configured for %s mode" face mode-name))) |
| 833 | "") |
| 834 | facemenu-remove-face-function t) |
| 835 | (make-local-variable 'paragraph-separate) |
| 836 | (make-local-variable 'paragraph-start) |
| 837 | (setq paragraph-start (concat (regexp-quote mail-header-separator) |
| 838 | "$\\|[ \t]*[-_][-_][-_]+$\\|" |
| 839 | "-- $\\|" |
| 840 | paragraph-start)) |
| 841 | (setq paragraph-separate (concat (regexp-quote mail-header-separator) |
| 842 | "$\\|[ \t]*[-_][-_][-_]+$\\|" |
| 843 | "-- $\\|" |
| 844 | paragraph-separate)) |
| 845 | (make-local-variable 'message-reply-headers) |
| 846 | (setq message-reply-headers nil) |
| 847 | (make-local-variable 'message-newsreader) |
| 848 | (make-local-variable 'message-mailer) |
| 849 | (make-local-variable 'message-post-method) |
| 850 | (make-local-variable 'message-sent-message-via) |
| 851 | (setq message-sent-message-via nil) |
| 852 | (make-local-variable 'message-checksum) |
| 853 | (setq message-checksum nil) |
| 854 | ;;(when (fboundp 'mail-hist-define-keys) |
| 855 | ;; (mail-hist-define-keys)) |
| 856 | (when (string-match "XEmacs\\|Lucid" emacs-version) |
| 857 | (message-setup-toolbar)) |
| 858 | (easy-menu-add message-mode-menu message-mode-map) |
| 859 | (run-hooks 'text-mode-hook 'message-mode-hook)) |
| 860 | |
| 861 | \f |
| 862 | |
| 863 | ;;; |
| 864 | ;;; Message mode commands |
| 865 | ;;; |
| 866 | |
| 867 | ;;; Movement commands |
| 868 | |
| 869 | (defun message-goto-to () |
| 870 | "Move point to the To header." |
| 871 | (interactive) |
| 872 | (message-position-on-field "To")) |
| 873 | |
| 874 | (defun message-goto-subject () |
| 875 | "Move point to the Subject header." |
| 876 | (interactive) |
| 877 | (message-position-on-field "Subject")) |
| 878 | |
| 879 | (defun message-goto-cc () |
| 880 | "Move point to the Cc header." |
| 881 | (interactive) |
| 882 | (message-position-on-field "Cc" "To")) |
| 883 | |
| 884 | (defun message-goto-bcc () |
| 885 | "Move point to the Bcc header." |
| 886 | (interactive) |
| 887 | (message-position-on-field "Bcc" "Cc" "To")) |
| 888 | |
| 889 | (defun message-goto-fcc () |
| 890 | "Move point to the Fcc header." |
| 891 | (interactive) |
| 892 | (message-position-on-field "Fcc" "To" "Newsgroups")) |
| 893 | |
| 894 | (defun message-goto-reply-to () |
| 895 | "Move point to the Reply-To header." |
| 896 | (interactive) |
| 897 | (message-position-on-field "Reply-To" "Subject")) |
| 898 | |
| 899 | (defun message-goto-newsgroups () |
| 900 | "Move point to the Newsgroups header." |
| 901 | (interactive) |
| 902 | (message-position-on-field "Newsgroups")) |
| 903 | |
| 904 | (defun message-goto-distribution () |
| 905 | "Move point to the Distribution header." |
| 906 | (interactive) |
| 907 | (message-position-on-field "Distribution")) |
| 908 | |
| 909 | (defun message-goto-followup-to () |
| 910 | "Move point to the Followup-To header." |
| 911 | (interactive) |
| 912 | (message-position-on-field "Followup-To" "Newsgroups")) |
| 913 | |
| 914 | (defun message-goto-keywords () |
| 915 | "Move point to the Keywords header." |
| 916 | (interactive) |
| 917 | (message-position-on-field "Keywords" "Subject")) |
| 918 | |
| 919 | (defun message-goto-summary () |
| 920 | "Move point to the Summary header." |
| 921 | (interactive) |
| 922 | (message-position-on-field "Summary" "Subject")) |
| 923 | |
| 924 | (defun message-goto-body () |
| 925 | "Move point to the beginning of the message body." |
| 926 | (interactive) |
| 927 | (if (looking-at "[ \t]*\n") (expand-abbrev)) |
| 928 | (goto-char (point-min)) |
| 929 | (search-forward (concat "\n" mail-header-separator "\n") nil t)) |
| 930 | |
| 931 | (defun message-goto-signature () |
| 932 | "Move point to the beginning of the message signature." |
| 933 | (interactive) |
| 934 | (goto-char (point-min)) |
| 935 | (or (re-search-forward message-signature-separator nil t) |
| 936 | (goto-char (point-max)))) |
| 937 | |
| 938 | \f |
| 939 | |
| 940 | (defun message-insert-to () |
| 941 | "Insert a To header that points to the author of the article being replied to." |
| 942 | (interactive) |
| 943 | (when (and (message-position-on-field "To") |
| 944 | (mail-fetch-field "to") |
| 945 | (not (string-match "\\` *\\'" (mail-fetch-field "to")))) |
| 946 | (insert ", ")) |
| 947 | (insert (or (message-fetch-reply-field "reply-to") |
| 948 | (message-fetch-reply-field "from") ""))) |
| 949 | |
| 950 | (defun message-insert-newsgroups () |
| 951 | "Insert the Newsgroups header from the article being replied to." |
| 952 | (interactive) |
| 953 | (when (and (message-position-on-field "Newsgroups") |
| 954 | (mail-fetch-field "newsgroups") |
| 955 | (not (string-match "\\` *\\'" (mail-fetch-field "newsgroups")))) |
| 956 | (insert ",")) |
| 957 | (insert (or (message-fetch-reply-field "newsgroups") ""))) |
| 958 | |
| 959 | \f |
| 960 | |
| 961 | ;;; Various commands |
| 962 | |
| 963 | (defun message-insert-signature (&optional force) |
| 964 | "Insert a signature. See documentation for the `message-signature' variable." |
| 965 | (interactive (list 0)) |
| 966 | (let* ((signature |
| 967 | (cond ((and (null message-signature) |
| 968 | (eq force 0)) |
| 969 | (save-excursion |
| 970 | (goto-char (point-max)) |
| 971 | (not (re-search-backward |
| 972 | message-signature-separator nil t)))) |
| 973 | ((and (null message-signature) |
| 974 | force) |
| 975 | t) |
| 976 | ((message-functionp message-signature) |
| 977 | (funcall message-signature)) |
| 978 | ((listp message-signature) |
| 979 | (eval message-signature)) |
| 980 | (t message-signature))) |
| 981 | (signature |
| 982 | (cond ((stringp signature) |
| 983 | signature) |
| 984 | ((and (eq t signature) |
| 985 | message-signature-file |
| 986 | (file-exists-p message-signature-file)) |
| 987 | signature)))) |
| 988 | (when signature |
| 989 | ; ;; Remove blank lines at the end of the message. |
| 990 | (goto-char (point-max)) |
| 991 | ; (skip-chars-backward " \t\n") |
| 992 | ; (delete-region (point) (point-max)) |
| 993 | ;; Insert the signature. |
| 994 | (unless (bolp) |
| 995 | (insert "\n")) |
| 996 | (insert "\n-- \n") |
| 997 | (if (eq signature t) |
| 998 | (insert-file-contents message-signature-file) |
| 999 | (insert signature)) |
| 1000 | (goto-char (point-max)) |
| 1001 | (or (bolp) (insert "\n"))))) |
| 1002 | |
| 1003 | (defvar message-caesar-translation-table nil) |
| 1004 | |
| 1005 | (defun message-caesar-region (b e &optional n) |
| 1006 | "Caesar rotation of region by N, default 13, for decrypting netnews." |
| 1007 | (interactive |
| 1008 | (list |
| 1009 | (min (point) (or (mark t) (point))) |
| 1010 | (max (point) (or (mark t) (point))) |
| 1011 | (when current-prefix-arg |
| 1012 | (prefix-numeric-value current-prefix-arg)))) |
| 1013 | |
| 1014 | (setq n (if (numberp n) (mod n 26) 13)) ;canonize N |
| 1015 | (unless (or (zerop n) ; no action needed for a rot of 0 |
| 1016 | (= b e)) ; no region to rotate |
| 1017 | ;; We build the table, if necessary. |
| 1018 | (when (or (not message-caesar-translation-table) |
| 1019 | (/= (aref message-caesar-translation-table ?a) (+ ?a n))) |
| 1020 | (let ((i -1) |
| 1021 | (table (make-string 256 0))) |
| 1022 | (while (< (incf i) 256) |
| 1023 | (aset table i i)) |
| 1024 | (setq table |
| 1025 | (concat |
| 1026 | (substring table 0 ?A) |
| 1027 | (substring table (+ ?A n) (+ ?A n (- 26 n))) |
| 1028 | (substring table ?A (+ ?A n)) |
| 1029 | (substring table (+ ?A 26) ?a) |
| 1030 | (substring table (+ ?a n) (+ ?a n (- 26 n))) |
| 1031 | (substring table ?a (+ ?a n)) |
| 1032 | (substring table (+ ?a 26) 255))) |
| 1033 | (setq message-caesar-translation-table table))) |
| 1034 | ;; Then we translate the region. Do it this way to retain |
| 1035 | ;; text properties. |
| 1036 | (while (< b e) |
| 1037 | (subst-char-in-region |
| 1038 | b (1+ b) (char-after b) |
| 1039 | (aref message-caesar-translation-table (char-after b))) |
| 1040 | (incf b)))) |
| 1041 | |
| 1042 | (defun message-caesar-buffer-body (&optional rotnum) |
| 1043 | "Caesar rotates all letters in the current buffer by 13 places. |
| 1044 | Used to encode/decode possibly offensive messages (commonly in net.jokes). |
| 1045 | With prefix arg, specifies the number of places to rotate each letter forward. |
| 1046 | Mail and USENET news headers are not rotated." |
| 1047 | (interactive (if current-prefix-arg |
| 1048 | (list (prefix-numeric-value current-prefix-arg)) |
| 1049 | (list nil))) |
| 1050 | (save-excursion |
| 1051 | (save-restriction |
| 1052 | (when (message-goto-body) |
| 1053 | (narrow-to-region (point) (point-max))) |
| 1054 | (message-caesar-region (point-min) (point-max) rotnum)))) |
| 1055 | |
| 1056 | (defun message-rename-buffer (&optional enter-string) |
| 1057 | "Rename the *message* buffer to \"*message* RECIPIENT\". |
| 1058 | If the function is run with a prefix, it will ask for a new buffer |
| 1059 | name, rather than giving an automatic name." |
| 1060 | (interactive "Pbuffer name: ") |
| 1061 | (save-excursion |
| 1062 | (save-restriction |
| 1063 | (goto-char (point-min)) |
| 1064 | (narrow-to-region (point) |
| 1065 | (search-forward mail-header-separator nil 'end)) |
| 1066 | (let* ((mail-to (if (message-news-p) (message-fetch-field "Newsgroups") |
| 1067 | (message-fetch-field "To"))) |
| 1068 | (mail-trimmed-to |
| 1069 | (if (string-match "," mail-to) |
| 1070 | (concat (substring mail-to 0 (match-beginning 0)) ", ...") |
| 1071 | mail-to)) |
| 1072 | (name-default (concat "*message* " mail-trimmed-to)) |
| 1073 | (name (if enter-string |
| 1074 | (read-string "New buffer name: " name-default) |
| 1075 | name-default))) |
| 1076 | (rename-buffer name t))))) |
| 1077 | |
| 1078 | (defun message-fill-yanked-message (&optional justifyp) |
| 1079 | "Fill the paragraphs of a message yanked into this one. |
| 1080 | Numeric argument means justify as well." |
| 1081 | (interactive "P") |
| 1082 | (save-excursion |
| 1083 | (goto-char (point-min)) |
| 1084 | (search-forward (concat "\n" mail-header-separator "\n") nil t) |
| 1085 | (let ((fill-prefix message-yank-prefix)) |
| 1086 | (fill-individual-paragraphs (point) (point-max) justifyp t)))) |
| 1087 | |
| 1088 | (defun message-indent-citation () |
| 1089 | "Modify text just inserted from a message to be cited. |
| 1090 | The inserted text should be the region. |
| 1091 | When this function returns, the region is again around the modified text. |
| 1092 | |
| 1093 | Normally, indent each nonblank line `message-indentation-spaces' spaces. |
| 1094 | However, if `message-yank-prefix' is non-nil, insert that prefix on each line." |
| 1095 | (let ((start (point))) |
| 1096 | ;; Remove unwanted headers. |
| 1097 | (when message-ignored-cited-headers |
| 1098 | (save-restriction |
| 1099 | (narrow-to-region |
| 1100 | (goto-char start) |
| 1101 | (if (search-forward "\n\n" nil t) |
| 1102 | (1- (point)) |
| 1103 | (point))) |
| 1104 | (message-remove-header message-ignored-cited-headers t))) |
| 1105 | ;; Do the indentation. |
| 1106 | (if (null message-yank-prefix) |
| 1107 | (indent-rigidly start (mark t) message-indentation-spaces) |
| 1108 | (save-excursion |
| 1109 | (goto-char start) |
| 1110 | (while (< (point) (mark t)) |
| 1111 | (insert message-yank-prefix) |
| 1112 | (forward-line 1))) |
| 1113 | (goto-char start)))) |
| 1114 | |
| 1115 | (defun message-yank-original (&optional arg) |
| 1116 | "Insert the message being replied to, if any. |
| 1117 | Puts point before the text and mark after. |
| 1118 | Normally indents each nonblank line ARG spaces (default 3). However, |
| 1119 | if `message-yank-prefix' is non-nil, insert that prefix on each line. |
| 1120 | |
| 1121 | This function uses `message-cite-function' to do the actual citing. |
| 1122 | |
| 1123 | Just \\[universal-argument] as argument means don't indent, insert no |
| 1124 | prefix, and don't delete any headers." |
| 1125 | (interactive "P") |
| 1126 | (let ((modified (buffer-modified-p))) |
| 1127 | (when (and message-reply-buffer |
| 1128 | message-cite-function) |
| 1129 | (delete-windows-on message-reply-buffer t) |
| 1130 | (insert-buffer message-reply-buffer) |
| 1131 | (funcall message-cite-function) |
| 1132 | (message-exchange-point-and-mark) |
| 1133 | (unless (bolp) |
| 1134 | (insert ?\n)) |
| 1135 | (unless modified |
| 1136 | (setq message-checksum (cons (message-checksum) (buffer-size))))))) |
| 1137 | |
| 1138 | (defun message-cite-original () |
| 1139 | (let ((start (point)) |
| 1140 | (functions |
| 1141 | (when message-indent-citation-function |
| 1142 | (if (listp message-indent-citation-function) |
| 1143 | message-indent-citation-function |
| 1144 | (list message-indent-citation-function))))) |
| 1145 | (goto-char start) |
| 1146 | (while functions |
| 1147 | (funcall (pop functions))) |
| 1148 | (when message-citation-line-function |
| 1149 | (unless (bolp) |
| 1150 | (insert "\n")) |
| 1151 | (funcall message-citation-line-function)))) |
| 1152 | |
| 1153 | (defun message-insert-citation-line () |
| 1154 | "Function that inserts a simple citation line." |
| 1155 | (when message-reply-headers |
| 1156 | (insert (mail-header-from message-reply-headers) " writes:\n\n"))) |
| 1157 | |
| 1158 | (defun message-position-on-field (header &rest afters) |
| 1159 | (let ((case-fold-search t)) |
| 1160 | (save-restriction |
| 1161 | (narrow-to-region |
| 1162 | (goto-char (point-min)) |
| 1163 | (progn |
| 1164 | (re-search-forward |
| 1165 | (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1166 | (match-beginning 0))) |
| 1167 | (goto-char (point-min)) |
| 1168 | (if (re-search-forward (concat "^" (regexp-quote header) ":") nil t) |
| 1169 | (progn |
| 1170 | (re-search-forward "^[^ \t]" nil 'move) |
| 1171 | (beginning-of-line) |
| 1172 | (skip-chars-backward "\n") |
| 1173 | t) |
| 1174 | (while (and afters |
| 1175 | (not (re-search-forward |
| 1176 | (concat "^" (regexp-quote (car afters)) ":") |
| 1177 | nil t))) |
| 1178 | (pop afters)) |
| 1179 | (when afters |
| 1180 | (re-search-forward "^[^ \t]" nil 'move) |
| 1181 | (beginning-of-line)) |
| 1182 | (insert header ": \n") |
| 1183 | (forward-char -1) |
| 1184 | nil)))) |
| 1185 | |
| 1186 | (defun message-remove-signature () |
| 1187 | "Remove the signature from the text between point and mark. |
| 1188 | The text will also be indented the normal way." |
| 1189 | (save-excursion |
| 1190 | (let ((start (point)) |
| 1191 | mark) |
| 1192 | (if (not (re-search-forward message-signature-separator (mark t) t)) |
| 1193 | ;; No signature here, so we just indent the cited text. |
| 1194 | (message-indent-citation) |
| 1195 | ;; Find the last non-empty line. |
| 1196 | (forward-line -1) |
| 1197 | (while (looking-at "[ \t]*$") |
| 1198 | (forward-line -1)) |
| 1199 | (forward-line 1) |
| 1200 | (setq mark (set-marker (make-marker) (point))) |
| 1201 | (goto-char start) |
| 1202 | (message-indent-citation) |
| 1203 | ;; Enable undoing the deletion. |
| 1204 | (undo-boundary) |
| 1205 | (delete-region mark (mark t)) |
| 1206 | (set-marker mark nil))))) |
| 1207 | |
| 1208 | \f |
| 1209 | |
| 1210 | ;;; |
| 1211 | ;;; Sending messages |
| 1212 | ;;; |
| 1213 | |
| 1214 | (defun message-send-and-exit (&optional arg) |
| 1215 | "Send message like `message-send', then, if no errors, exit from mail buffer." |
| 1216 | (interactive "P") |
| 1217 | (let ((buf (current-buffer)) |
| 1218 | (actions message-exit-actions)) |
| 1219 | (when (and (message-send arg) |
| 1220 | (buffer-name buf)) |
| 1221 | (if message-kill-buffer-on-exit |
| 1222 | (kill-buffer buf) |
| 1223 | (bury-buffer buf) |
| 1224 | (when (eq buf (current-buffer)) |
| 1225 | (message-bury buf))) |
| 1226 | (message-do-actions actions)))) |
| 1227 | |
| 1228 | (defun message-dont-send () |
| 1229 | "Don't send the message you have been editing." |
| 1230 | (interactive) |
| 1231 | (message-bury (current-buffer)) |
| 1232 | (message-do-actions message-postpone-actions)) |
| 1233 | |
| 1234 | (defun message-kill-buffer () |
| 1235 | "Kill the current buffer." |
| 1236 | (interactive) |
| 1237 | (let ((actions message-kill-actions)) |
| 1238 | (kill-buffer (current-buffer)) |
| 1239 | (message-do-actions actions))) |
| 1240 | |
| 1241 | (defun message-bury (buffer) |
| 1242 | "Bury this mail buffer." |
| 1243 | (let ((newbuf (other-buffer buffer))) |
| 1244 | (bury-buffer buffer) |
| 1245 | (if (and (fboundp 'frame-parameters) |
| 1246 | (cdr (assq 'dedicated (frame-parameters))) |
| 1247 | (not (null (delq (selected-frame) (visible-frame-list))))) |
| 1248 | (delete-frame (selected-frame)) |
| 1249 | (switch-to-buffer newbuf)))) |
| 1250 | |
| 1251 | (defun message-send (&optional arg) |
| 1252 | "Send the message in the current buffer. |
| 1253 | If `message-interactive' is non-nil, wait for success indication |
| 1254 | or error messages, and inform user. |
| 1255 | Otherwise any failure is reported in a message back to |
| 1256 | the user from the mailer." |
| 1257 | (interactive "P") |
| 1258 | (when (if buffer-file-name |
| 1259 | (y-or-n-p (format "Send buffer contents as %s message? " |
| 1260 | (if (message-mail-p) |
| 1261 | (if (message-news-p) "mail and news" "mail") |
| 1262 | "news"))) |
| 1263 | (or (buffer-modified-p) |
| 1264 | (y-or-n-p "No changes in the buffer; really send? "))) |
| 1265 | ;; Make it possible to undo the coming changes. |
| 1266 | (undo-boundary) |
| 1267 | (let ((inhibit-read-only t)) |
| 1268 | (put-text-property (point-min) (point-max) 'read-only nil)) |
| 1269 | (message-fix-before-sending) |
| 1270 | (run-hooks 'message-send-hook) |
| 1271 | (message "Sending...") |
| 1272 | (when (and (or (not (message-news-p)) |
| 1273 | (and (or (not (memq 'news message-sent-message-via)) |
| 1274 | (y-or-n-p |
| 1275 | "Already sent message via news; resend? ")) |
| 1276 | (funcall message-send-news-function arg))) |
| 1277 | (or (not (message-mail-p)) |
| 1278 | (and (or (not (memq 'mail message-sent-message-via)) |
| 1279 | (y-or-n-p |
| 1280 | "Already sent message via mail; resend? ")) |
| 1281 | (message-send-mail arg)))) |
| 1282 | (message-do-fcc) |
| 1283 | ;;(when (fboundp 'mail-hist-put-headers-into-history) |
| 1284 | ;; (mail-hist-put-headers-into-history)) |
| 1285 | (run-hooks 'message-sent-hook) |
| 1286 | (message "Sending...done") |
| 1287 | ;; If buffer has no file, mark it as unmodified and delete autosave. |
| 1288 | (unless buffer-file-name |
| 1289 | (set-buffer-modified-p nil) |
| 1290 | (delete-auto-save-file-if-necessary t)) |
| 1291 | ;; Delete other mail buffers and stuff. |
| 1292 | (message-do-send-housekeeping) |
| 1293 | (message-do-actions message-send-actions) |
| 1294 | ;; Return success. |
| 1295 | t))) |
| 1296 | |
| 1297 | (defun message-fix-before-sending () |
| 1298 | "Do various things to make the message nice before sending it." |
| 1299 | ;; Make sure there's a newline at the end of the message. |
| 1300 | (goto-char (point-max)) |
| 1301 | (unless (bolp) |
| 1302 | (insert "\n"))) |
| 1303 | |
| 1304 | (defun message-add-action (action &rest types) |
| 1305 | "Add ACTION to be performed when doing an exit of type TYPES." |
| 1306 | (let (var) |
| 1307 | (while types |
| 1308 | (set (setq var (intern (format "message-%s-actions" (pop types)))) |
| 1309 | (nconc (symbol-value var) (list action)))))) |
| 1310 | |
| 1311 | (defun message-do-actions (actions) |
| 1312 | "Perform all actions in ACTIONS." |
| 1313 | ;; Now perform actions on successful sending. |
| 1314 | (while actions |
| 1315 | (condition-case nil |
| 1316 | (cond |
| 1317 | ;; A simple function. |
| 1318 | ((message-functionp (car actions)) |
| 1319 | (funcall (car actions))) |
| 1320 | ;; Something to be evaled. |
| 1321 | (t |
| 1322 | (eval (car actions)))) |
| 1323 | (error)) |
| 1324 | (pop actions))) |
| 1325 | |
| 1326 | (defun message-send-mail (&optional arg) |
| 1327 | (require 'mail-utils) |
| 1328 | (let ((tembuf (generate-new-buffer " message temp")) |
| 1329 | (case-fold-search nil) |
| 1330 | (news (message-news-p)) |
| 1331 | (mailbuf (current-buffer))) |
| 1332 | (save-restriction |
| 1333 | (message-narrow-to-headers) |
| 1334 | ;; Insert some headers. |
| 1335 | (let ((message-deletable-headers |
| 1336 | (if news nil message-deletable-headers))) |
| 1337 | (message-generate-headers message-required-mail-headers)) |
| 1338 | ;; Let the user do all of the above. |
| 1339 | (run-hooks 'message-header-hook)) |
| 1340 | (unwind-protect |
| 1341 | (save-excursion |
| 1342 | (set-buffer tembuf) |
| 1343 | (erase-buffer) |
| 1344 | (insert-buffer-substring mailbuf) |
| 1345 | ;; Remove some headers. |
| 1346 | (save-restriction |
| 1347 | (message-narrow-to-headers) |
| 1348 | ;; Remove some headers. |
| 1349 | (message-remove-header message-ignored-mail-headers t)) |
| 1350 | (goto-char (point-max)) |
| 1351 | ;; require one newline at the end. |
| 1352 | (or (= (preceding-char) ?\n) |
| 1353 | (insert ?\n)) |
| 1354 | (when (and news |
| 1355 | (or (message-fetch-field "cc") |
| 1356 | (message-fetch-field "to"))) |
| 1357 | (message-insert-courtesy-copy)) |
| 1358 | (funcall message-send-mail-function)) |
| 1359 | (kill-buffer tembuf)) |
| 1360 | (set-buffer mailbuf) |
| 1361 | (push 'mail message-sent-message-via))) |
| 1362 | |
| 1363 | (defun message-send-mail-with-sendmail () |
| 1364 | "Send off the prepared buffer with sendmail." |
| 1365 | (let ((errbuf (if message-interactive |
| 1366 | (generate-new-buffer " sendmail errors") |
| 1367 | 0)) |
| 1368 | resend-to-addresses delimline) |
| 1369 | (let ((case-fold-search t)) |
| 1370 | (save-restriction |
| 1371 | (message-narrow-to-headers) |
| 1372 | (setq resend-to-addresses (message-fetch-field "resent-to"))) |
| 1373 | ;; Change header-delimiter to be what sendmail expects. |
| 1374 | (goto-char (point-min)) |
| 1375 | (re-search-forward |
| 1376 | (concat "^" (regexp-quote mail-header-separator) "\n")) |
| 1377 | (replace-match "\n") |
| 1378 | (backward-char 1) |
| 1379 | (setq delimline (point-marker)) |
| 1380 | ;; Insert an extra newline if we need it to work around |
| 1381 | ;; Sun's bug that swallows newlines. |
| 1382 | (goto-char (1+ delimline)) |
| 1383 | (when (eval message-mailer-swallows-blank-line) |
| 1384 | (newline)) |
| 1385 | (when message-interactive |
| 1386 | (save-excursion |
| 1387 | (set-buffer errbuf) |
| 1388 | (erase-buffer)))) |
| 1389 | (let ((default-directory "/")) |
| 1390 | (apply 'call-process-region |
| 1391 | (append (list (point-min) (point-max) |
| 1392 | (if (boundp 'sendmail-program) |
| 1393 | sendmail-program |
| 1394 | "/usr/lib/sendmail") |
| 1395 | nil errbuf nil "-oi") |
| 1396 | ;; Always specify who from, |
| 1397 | ;; since some systems have broken sendmails. |
| 1398 | (list "-f" (user-login-name)) |
| 1399 | ;; These mean "report errors by mail" |
| 1400 | ;; and "deliver in background". |
| 1401 | (if (null message-interactive) '("-oem" "-odb")) |
| 1402 | ;; Get the addresses from the message |
| 1403 | ;; unless this is a resend. |
| 1404 | ;; We must not do that for a resend |
| 1405 | ;; because we would find the original addresses. |
| 1406 | ;; For a resend, include the specific addresses. |
| 1407 | (if resend-to-addresses |
| 1408 | (list resend-to-addresses) |
| 1409 | '("-t"))))) |
| 1410 | (when message-interactive |
| 1411 | (save-excursion |
| 1412 | (set-buffer errbuf) |
| 1413 | (goto-char (point-min)) |
| 1414 | (while (re-search-forward "\n\n* *" nil t) |
| 1415 | (replace-match "; ")) |
| 1416 | (if (not (zerop (buffer-size))) |
| 1417 | (error "Sending...failed to %s" |
| 1418 | (buffer-substring (point-min) (point-max))))) |
| 1419 | (when (bufferp errbuf) |
| 1420 | (kill-buffer errbuf))))) |
| 1421 | |
| 1422 | (defun message-send-mail-with-mh () |
| 1423 | "Send the prepared message buffer with mh." |
| 1424 | (let ((mh-previous-window-config nil) |
| 1425 | (name (make-temp-name |
| 1426 | (concat (file-name-as-directory message-autosave-directory) |
| 1427 | "msg.")))) |
| 1428 | (setq buffer-file-name name) |
| 1429 | (mh-send-letter) |
| 1430 | (condition-case () |
| 1431 | (delete-file name) |
| 1432 | (error nil)))) |
| 1433 | |
| 1434 | (defun message-send-news (&optional arg) |
| 1435 | (let ((tembuf (generate-new-buffer " *message temp*")) |
| 1436 | (case-fold-search nil) |
| 1437 | (method (if (message-functionp message-post-method) |
| 1438 | (funcall message-post-method arg) |
| 1439 | message-post-method)) |
| 1440 | (messbuf (current-buffer)) |
| 1441 | (message-syntax-checks |
| 1442 | (if arg |
| 1443 | (cons '(existing-newsgroups . disabled) |
| 1444 | message-syntax-checks) |
| 1445 | message-syntax-checks)) |
| 1446 | result) |
| 1447 | (save-restriction |
| 1448 | (message-narrow-to-headers) |
| 1449 | ;; Insert some headers. |
| 1450 | (message-generate-headers message-required-news-headers) |
| 1451 | ;; Let the user do all of the above. |
| 1452 | (run-hooks 'message-header-hook)) |
| 1453 | (message-cleanup-headers) |
| 1454 | (when (message-check-news-syntax) |
| 1455 | (unwind-protect |
| 1456 | (save-excursion |
| 1457 | (set-buffer tembuf) |
| 1458 | (buffer-disable-undo (current-buffer)) |
| 1459 | (erase-buffer) |
| 1460 | (insert-buffer-substring messbuf) |
| 1461 | ;; Remove some headers. |
| 1462 | (save-restriction |
| 1463 | (message-narrow-to-headers) |
| 1464 | ;; Remove some headers. |
| 1465 | (message-remove-header message-ignored-news-headers t)) |
| 1466 | (goto-char (point-max)) |
| 1467 | ;; require one newline at the end. |
| 1468 | (or (= (preceding-char) ?\n) |
| 1469 | (insert ?\n)) |
| 1470 | (let ((case-fold-search t)) |
| 1471 | ;; Remove the delimeter. |
| 1472 | (goto-char (point-min)) |
| 1473 | (re-search-forward |
| 1474 | (concat "^" (regexp-quote mail-header-separator) "\n")) |
| 1475 | (replace-match "\n") |
| 1476 | (backward-char 1)) |
| 1477 | (require (car method)) |
| 1478 | (funcall (intern (format "%s-open-server" (car method))) |
| 1479 | (cadr method) (cddr method)) |
| 1480 | (setq result |
| 1481 | (funcall (intern (format "%s-request-post" (car method)))))) |
| 1482 | (kill-buffer tembuf)) |
| 1483 | (set-buffer messbuf) |
| 1484 | (if result |
| 1485 | (push 'news message-sent-message-via) |
| 1486 | (message "Couldn't send message via news: %s" |
| 1487 | (nnheader-get-report (car method))) |
| 1488 | nil)))) |
| 1489 | |
| 1490 | ;;; |
| 1491 | ;;; Header generation & syntax checking. |
| 1492 | ;;; |
| 1493 | |
| 1494 | (defun message-check-news-syntax () |
| 1495 | "Check the syntax of the message." |
| 1496 | (and |
| 1497 | ;; We narrow to the headers and check them first. |
| 1498 | (save-excursion |
| 1499 | (save-restriction |
| 1500 | (message-narrow-to-headers) |
| 1501 | (and |
| 1502 | ;; Check for commands in Subject. |
| 1503 | (or |
| 1504 | (message-check-element 'subject-cmsg) |
| 1505 | (save-excursion |
| 1506 | (if (string-match "^cmsg " (message-fetch-field "subject")) |
| 1507 | (y-or-n-p |
| 1508 | "The control code \"cmsg \" is in the subject. Really post? ") |
| 1509 | t))) |
| 1510 | ;; Check for multiple identical headers. |
| 1511 | (or (message-check-element 'multiple-headers) |
| 1512 | (save-excursion |
| 1513 | (let (found) |
| 1514 | (while (and (not found) |
| 1515 | (re-search-forward "^[^ \t:]+: " nil t)) |
| 1516 | (save-excursion |
| 1517 | (or (re-search-forward |
| 1518 | (concat "^" (setq found |
| 1519 | (buffer-substring |
| 1520 | (match-beginning 0) |
| 1521 | (- (match-end 0) 2)))) |
| 1522 | nil t) |
| 1523 | (setq found nil)))) |
| 1524 | (if found |
| 1525 | (y-or-n-p |
| 1526 | (format "Multiple %s headers. Really post? " found)) |
| 1527 | t)))) |
| 1528 | ;; Check for Version and Sendsys. |
| 1529 | (or (message-check-element 'sendsys) |
| 1530 | (save-excursion |
| 1531 | (if (re-search-forward "^Sendsys:\\|^Version:" nil t) |
| 1532 | (y-or-n-p |
| 1533 | (format "The article contains a %s command. Really post? " |
| 1534 | (buffer-substring (match-beginning 0) |
| 1535 | (1- (match-end 0))))) |
| 1536 | t))) |
| 1537 | ;; See whether we can shorten Followup-To. |
| 1538 | (or (message-check-element 'shorten-followup-to) |
| 1539 | (let ((newsgroups (message-fetch-field "newsgroups")) |
| 1540 | (followup-to (message-fetch-field "followup-to")) |
| 1541 | to) |
| 1542 | (when (and newsgroups (string-match "," newsgroups) |
| 1543 | (not followup-to) |
| 1544 | (not |
| 1545 | (zerop |
| 1546 | (length |
| 1547 | (setq to (completing-read |
| 1548 | "Followups to: (default all groups) " |
| 1549 | (mapcar (lambda (g) (list g)) |
| 1550 | (cons "poster" |
| 1551 | (message-tokenize-header |
| 1552 | newsgroups))))))))) |
| 1553 | (goto-char (point-min)) |
| 1554 | (insert "Followup-To: " to "\n")) |
| 1555 | t)) |
| 1556 | ;; Check "Shoot me". |
| 1557 | (or (message-check-element 'shoot) |
| 1558 | (save-excursion |
| 1559 | (if (re-search-forward |
| 1560 | "Message-ID.*.i-have-a-misconfigured-system-so-shoot-me" |
| 1561 | nil t) |
| 1562 | (y-or-n-p |
| 1563 | "You appear to have a misconfigured system. Really post? ") |
| 1564 | t))) |
| 1565 | ;; Check for Approved. |
| 1566 | (or (message-check-element 'approved) |
| 1567 | (save-excursion |
| 1568 | (if (re-search-forward "^Approved:" nil t) |
| 1569 | (y-or-n-p |
| 1570 | "The article contains an Approved header. Really post? ") |
| 1571 | t))) |
| 1572 | ;; Check the Message-Id header. |
| 1573 | (or (message-check-element 'message-id) |
| 1574 | (save-excursion |
| 1575 | (let* ((case-fold-search t) |
| 1576 | (message-id (message-fetch-field "message-id"))) |
| 1577 | (or (not message-id) |
| 1578 | (and (string-match "@" message-id) |
| 1579 | (string-match "@[^\\.]*\\." message-id)) |
| 1580 | (y-or-n-p |
| 1581 | (format |
| 1582 | "The Message-ID looks strange: \"%s\". Really post? " |
| 1583 | message-id)))))) |
| 1584 | ;; Check the Subject header. |
| 1585 | (or |
| 1586 | (message-check-element 'subject) |
| 1587 | (save-excursion |
| 1588 | (let* ((case-fold-search t) |
| 1589 | (subject (message-fetch-field "subject"))) |
| 1590 | (or |
| 1591 | (and subject |
| 1592 | (not (string-match "\\`[ \t]*\\'" subject))) |
| 1593 | (progn |
| 1594 | (message |
| 1595 | "The subject field is empty or missing. Posting is denied.") |
| 1596 | nil))))) |
| 1597 | ;; Check the Newsgroups & Followup-To headers. |
| 1598 | (or |
| 1599 | (message-check-element 'existing-newsgroups) |
| 1600 | (let* ((case-fold-search t) |
| 1601 | (newsgroups (message-fetch-field "newsgroups")) |
| 1602 | (followup-to (message-fetch-field "followup-to")) |
| 1603 | (groups (message-tokenize-header |
| 1604 | (if followup-to |
| 1605 | (concat newsgroups "," followup-to) |
| 1606 | newsgroups))) |
| 1607 | (hashtb (and (boundp 'gnus-active-hashtb) |
| 1608 | gnus-active-hashtb)) |
| 1609 | errors) |
| 1610 | (if (not hashtb) |
| 1611 | t |
| 1612 | (while groups |
| 1613 | (when (and (not (boundp (intern (car groups) hashtb))) |
| 1614 | (not (equal (car groups) "poster"))) |
| 1615 | (push (car groups) errors)) |
| 1616 | (pop groups)) |
| 1617 | (if (not errors) |
| 1618 | t |
| 1619 | (y-or-n-p |
| 1620 | (format |
| 1621 | "Really post to %s unknown group%s: %s " |
| 1622 | (if (= (length errors) 1) "this" "these") |
| 1623 | (if (= (length errors) 1) "" "s") |
| 1624 | (mapconcat 'identity errors ", "))))))) |
| 1625 | ;; Check the Newsgroups & Followup-To headers for syntax errors. |
| 1626 | (or |
| 1627 | (message-check-element 'valid-newsgroups) |
| 1628 | (let ((case-fold-search t) |
| 1629 | (headers '("Newsgroups" "Followup-To")) |
| 1630 | header error) |
| 1631 | (while (and headers (not error)) |
| 1632 | (when (setq header (mail-fetch-field (car headers))) |
| 1633 | (if (or |
| 1634 | (not |
| 1635 | (string-match |
| 1636 | "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-.a-zA-Z0-9]+\\)*\\'" |
| 1637 | header)) |
| 1638 | (memq |
| 1639 | nil (mapcar |
| 1640 | (lambda (g) |
| 1641 | (not (string-match "\\.\\'\\|\\.\\." g))) |
| 1642 | (message-tokenize-header header ",")))) |
| 1643 | (setq error t))) |
| 1644 | (unless error |
| 1645 | (pop headers))) |
| 1646 | (if (not error) |
| 1647 | t |
| 1648 | (y-or-n-p |
| 1649 | (format "The %s header looks odd: \"%s\". Really post? " |
| 1650 | (car headers) header))))) |
| 1651 | ;; Check the From header. |
| 1652 | (or |
| 1653 | (save-excursion |
| 1654 | (let* ((case-fold-search t) |
| 1655 | (from (message-fetch-field "from"))) |
| 1656 | (cond |
| 1657 | ((not from) |
| 1658 | (message "There is no From line. Posting is denied.") |
| 1659 | nil) |
| 1660 | ((not (string-match "@[^\\.]*\\." from)) |
| 1661 | (message |
| 1662 | "Denied posting -- the From looks strange: \"%s\"." from) |
| 1663 | nil) |
| 1664 | ((string-match "@[^@]*@" from) |
| 1665 | (message |
| 1666 | "Denied posting -- two \"@\"'s in the From header: %s." from) |
| 1667 | nil) |
| 1668 | ((string-match "(.*).*(.*)" from) |
| 1669 | (message |
| 1670 | "Denied posting -- the From header looks strange: \"%s\"." |
| 1671 | from) |
| 1672 | nil) |
| 1673 | (t t)))))))) |
| 1674 | ;; Check for long lines. |
| 1675 | (or (message-check-element 'long-lines) |
| 1676 | (save-excursion |
| 1677 | (goto-char (point-min)) |
| 1678 | (re-search-forward |
| 1679 | (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1680 | (while (and |
| 1681 | (progn |
| 1682 | (end-of-line) |
| 1683 | (< (current-column) 80)) |
| 1684 | (zerop (forward-line 1)))) |
| 1685 | (or (bolp) |
| 1686 | (eobp) |
| 1687 | (y-or-n-p |
| 1688 | "You have lines longer than 79 characters. Really post? ")))) |
| 1689 | ;; Check whether the article is empty. |
| 1690 | (or (message-check-element 'empty) |
| 1691 | (save-excursion |
| 1692 | (goto-char (point-min)) |
| 1693 | (re-search-forward |
| 1694 | (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1695 | (forward-line 1) |
| 1696 | (let ((b (point))) |
| 1697 | (or (re-search-forward message-signature-separator nil t) |
| 1698 | (goto-char (point-max))) |
| 1699 | (beginning-of-line) |
| 1700 | (or (re-search-backward "[^ \n\t]" b t) |
| 1701 | (y-or-n-p "Empty article. Really post? "))))) |
| 1702 | ;; Check for control characters. |
| 1703 | (or (message-check-element 'control-chars) |
| 1704 | (save-excursion |
| 1705 | (if (re-search-forward "[\000-\007\013\015-\037\200-\237]" nil t) |
| 1706 | (y-or-n-p |
| 1707 | "The article contains control characters. Really post? ") |
| 1708 | t))) |
| 1709 | ;; Check excessive size. |
| 1710 | (or (message-check-element 'size) |
| 1711 | (if (> (buffer-size) 60000) |
| 1712 | (y-or-n-p |
| 1713 | (format "The article is %d octets long. Really post? " |
| 1714 | (buffer-size))) |
| 1715 | t)) |
| 1716 | ;; Check whether any new text has been added. |
| 1717 | (or (message-check-element 'new-text) |
| 1718 | (not message-checksum) |
| 1719 | (not (and (eq (message-checksum) (car message-checksum)) |
| 1720 | (eq (buffer-size) (cdr message-checksum)))) |
| 1721 | (y-or-n-p |
| 1722 | "It looks like no new text has been added. Really post? ")) |
| 1723 | ;; Check the length of the signature. |
| 1724 | (or |
| 1725 | (message-check-element 'signature) |
| 1726 | (progn |
| 1727 | (goto-char (point-max)) |
| 1728 | (if (or (not (re-search-backward "^-- $" nil t)) |
| 1729 | (search-forward message-forward-end-separator nil t)) |
| 1730 | t |
| 1731 | (if (> (count-lines (point) (point-max)) 5) |
| 1732 | (y-or-n-p |
| 1733 | (format |
| 1734 | "Your .sig is %d lines; it should be max 4. Really post? " |
| 1735 | (count-lines (point) (point-max)))) |
| 1736 | t)))))) |
| 1737 | |
| 1738 | (defun message-check-element (type) |
| 1739 | "Returns non-nil if this type is not to be checked." |
| 1740 | (if (eq message-syntax-checks 'dont-check-for-anything-just-trust-me) |
| 1741 | t |
| 1742 | (let ((able (assq type message-syntax-checks))) |
| 1743 | (and (consp able) |
| 1744 | (eq (cdr able) 'disabled))))) |
| 1745 | |
| 1746 | (defun message-checksum () |
| 1747 | "Return a \"checksum\" for the current buffer." |
| 1748 | (let ((sum 0)) |
| 1749 | (save-excursion |
| 1750 | (goto-char (point-min)) |
| 1751 | (re-search-forward |
| 1752 | (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1753 | (while (not (eobp)) |
| 1754 | (when (not (looking-at "[ \t\n]")) |
| 1755 | (setq sum (logxor (ash sum 1) (following-char)))) |
| 1756 | (forward-char 1))) |
| 1757 | sum)) |
| 1758 | |
| 1759 | (defun message-do-fcc () |
| 1760 | "Process Fcc headers in the current buffer." |
| 1761 | (let ((case-fold-search t) |
| 1762 | (buf (current-buffer)) |
| 1763 | list file) |
| 1764 | (save-excursion |
| 1765 | (set-buffer (get-buffer-create " *message temp*")) |
| 1766 | (buffer-disable-undo (current-buffer)) |
| 1767 | (erase-buffer) |
| 1768 | (insert-buffer-substring buf) |
| 1769 | (save-restriction |
| 1770 | (message-narrow-to-headers) |
| 1771 | (while (setq file (message-fetch-field "fcc")) |
| 1772 | (push file list) |
| 1773 | (message-remove-header "fcc" nil t))) |
| 1774 | (goto-char (point-min)) |
| 1775 | (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1776 | (replace-match "" t t) |
| 1777 | ;; Process FCC operations. |
| 1778 | (while list |
| 1779 | (setq file (pop list)) |
| 1780 | (if (string-match "^[ \t]*|[ \t]*\\(.*\\)[ \t]*$" file) |
| 1781 | ;; Pipe the article to the program in question. |
| 1782 | (call-process-region (point-min) (point-max) shell-file-name |
| 1783 | nil nil nil shell-command-switch |
| 1784 | (match-string 1 file)) |
| 1785 | ;; Save the article. |
| 1786 | (setq file (expand-file-name file)) |
| 1787 | (unless (file-exists-p (file-name-directory file)) |
| 1788 | (make-directory (file-name-directory file) t)) |
| 1789 | (if (and message-fcc-handler-function |
| 1790 | (not (eq message-fcc-handler-function 'rmail-output))) |
| 1791 | (funcall message-fcc-handler-function file) |
| 1792 | (if (and (file-readable-p file) (mail-file-babyl-p file)) |
| 1793 | (rmail-output file 1 nil t) |
| 1794 | (let ((mail-use-rfc822 t)) |
| 1795 | (rmail-output file 1 t t)))))) |
| 1796 | (kill-buffer (current-buffer))))) |
| 1797 | |
| 1798 | (defun message-cleanup-headers () |
| 1799 | "Do various automatic cleanups of the headers." |
| 1800 | ;; Remove empty lines in the header. |
| 1801 | (save-restriction |
| 1802 | (message-narrow-to-headers) |
| 1803 | (while (re-search-forward "^[ \t]*\n" nil t) |
| 1804 | (replace-match "" t t))) |
| 1805 | |
| 1806 | ;; Correct Newsgroups and Followup-To headers: change sequence of |
| 1807 | ;; spaces to comma and eliminate spaces around commas. Eliminate |
| 1808 | ;; embedded line breaks. |
| 1809 | (goto-char (point-min)) |
| 1810 | (while (re-search-forward "^\\(Newsgroups\\|Followup-To\\): +" nil t) |
| 1811 | (save-restriction |
| 1812 | (narrow-to-region |
| 1813 | (point) |
| 1814 | (if (re-search-forward "^[^ \t]" nil t) |
| 1815 | (match-beginning 0) |
| 1816 | (forward-line 1) |
| 1817 | (point))) |
| 1818 | (goto-char (point-min)) |
| 1819 | (while (re-search-forward "\n[ \t]+" nil t) |
| 1820 | (replace-match " " t t)) ;No line breaks (too confusing) |
| 1821 | (goto-char (point-min)) |
| 1822 | (while (re-search-forward "[ \t\n]*,[ \t\n]*\\|[ \t]+" nil t) |
| 1823 | (replace-match "," t t)) |
| 1824 | (goto-char (point-min)) |
| 1825 | ;; Remove trailing commas. |
| 1826 | (when (re-search-forward ",+$" nil t) |
| 1827 | (replace-match "" t t))))) |
| 1828 | |
| 1829 | (defun message-make-date () |
| 1830 | "Make a valid data header." |
| 1831 | (let ((now (current-time))) |
| 1832 | (timezone-make-date-arpa-standard |
| 1833 | (current-time-string now) (current-time-zone now)))) |
| 1834 | |
| 1835 | (defun message-make-message-id () |
| 1836 | "Make a unique Message-ID." |
| 1837 | (concat "<" (message-unique-id) |
| 1838 | (let ((psubject (save-excursion (message-fetch-field "subject")))) |
| 1839 | (if (and message-reply-headers |
| 1840 | (mail-header-references message-reply-headers) |
| 1841 | (mail-header-subject message-reply-headers) |
| 1842 | psubject |
| 1843 | (mail-header-subject message-reply-headers) |
| 1844 | (not (string= |
| 1845 | (message-strip-subject-re |
| 1846 | (mail-header-subject message-reply-headers)) |
| 1847 | (message-strip-subject-re psubject)))) |
| 1848 | "_-_" "")) |
| 1849 | "@" (message-make-fqdn) ">")) |
| 1850 | |
| 1851 | (defvar message-unique-id-char nil) |
| 1852 | |
| 1853 | ;; If you ever change this function, make sure the new version |
| 1854 | ;; cannot generate IDs that the old version could. |
| 1855 | ;; You might for example insert a "." somewhere (not next to another dot |
| 1856 | ;; or string boundary), or modify the "fsf" string. |
| 1857 | (defun message-unique-id () |
| 1858 | ;; Don't use microseconds from (current-time), they may be unsupported. |
| 1859 | ;; Instead we use this randomly inited counter. |
| 1860 | (setq message-unique-id-char |
| 1861 | (% (1+ (or message-unique-id-char (logand (random t) (1- (lsh 1 20))))) |
| 1862 | ;; (current-time) returns 16-bit ints, |
| 1863 | ;; and 2^16*25 just fits into 4 digits i base 36. |
| 1864 | (* 25 25))) |
| 1865 | (let ((tm (current-time))) |
| 1866 | (concat |
| 1867 | (if (memq system-type '(ms-dos emx vax-vms)) |
| 1868 | (let ((user (downcase (user-login-name)))) |
| 1869 | (while (string-match "[^a-z0-9_]" user) |
| 1870 | (aset user (match-beginning 0) ?_)) |
| 1871 | user) |
| 1872 | (message-number-base36 (user-uid) -1)) |
| 1873 | (message-number-base36 (+ (car tm) |
| 1874 | (lsh (% message-unique-id-char 25) 16)) 4) |
| 1875 | (message-number-base36 (+ (nth 1 tm) |
| 1876 | (lsh (/ message-unique-id-char 25) 16)) 4) |
| 1877 | ;; Append the newsreader name, because while the generated |
| 1878 | ;; ID is unique to this newsreader, other newsreaders might |
| 1879 | ;; otherwise generate the same ID via another algorithm. |
| 1880 | ".fsf"))) |
| 1881 | |
| 1882 | (defun message-number-base36 (num len) |
| 1883 | (if (if (< len 0) (<= num 0) (= len 0)) |
| 1884 | "" |
| 1885 | (concat (message-number-base36 (/ num 36) (1- len)) |
| 1886 | (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210" |
| 1887 | (% num 36)))))) |
| 1888 | |
| 1889 | (defun message-make-organization () |
| 1890 | "Make an Organization header." |
| 1891 | (let* ((organization |
| 1892 | (or (getenv "ORGANIZATION") |
| 1893 | (when message-user-organization |
| 1894 | (if (message-functionp message-user-organization) |
| 1895 | (funcall message-user-organization) |
| 1896 | message-user-organization))))) |
| 1897 | (save-excursion |
| 1898 | (message-set-work-buffer) |
| 1899 | (cond ((stringp organization) |
| 1900 | (insert organization)) |
| 1901 | ((and (eq t organization) |
| 1902 | message-user-organization-file |
| 1903 | (file-exists-p message-user-organization-file)) |
| 1904 | (insert-file-contents message-user-organization-file))) |
| 1905 | (goto-char (point-min)) |
| 1906 | (while (re-search-forward "[\t\n]+" nil t) |
| 1907 | (replace-match "" t t)) |
| 1908 | (unless (zerop (buffer-size)) |
| 1909 | (buffer-string))))) |
| 1910 | |
| 1911 | (defun message-make-lines () |
| 1912 | "Count the number of lines and return numeric string." |
| 1913 | (save-excursion |
| 1914 | (save-restriction |
| 1915 | (widen) |
| 1916 | (goto-char (point-min)) |
| 1917 | (re-search-forward |
| 1918 | (concat "^" (regexp-quote mail-header-separator) "$")) |
| 1919 | (forward-line 1) |
| 1920 | (int-to-string (count-lines (point) (point-max)))))) |
| 1921 | |
| 1922 | (defun message-make-in-reply-to () |
| 1923 | "Return the In-Reply-To header for this message." |
| 1924 | (when message-reply-headers |
| 1925 | (let ((from (mail-header-from message-reply-headers)) |
| 1926 | (date (mail-header-date message-reply-headers))) |
| 1927 | (when from |
| 1928 | (let ((stop-pos |
| 1929 | (string-match " *at \\| *@ \\| *(\\| *<" from))) |
| 1930 | (concat (if stop-pos (substring from 0 stop-pos) from) |
| 1931 | "'s message of " |
| 1932 | (if (or (not date) (string= date "")) |
| 1933 | "(unknown date)" date))))))) |
| 1934 | |
| 1935 | (defun message-make-distribution () |
| 1936 | "Make a Distribution header." |
| 1937 | (let ((orig-distribution (message-fetch-reply-field "distribution"))) |
| 1938 | (cond ((message-functionp message-distribution-function) |
| 1939 | (funcall message-distribution-function)) |
| 1940 | (t orig-distribution)))) |
| 1941 | |
| 1942 | (defun message-make-expires () |
| 1943 | "Return an Expires header based on `message-expires'." |
| 1944 | (let ((current (current-time)) |
| 1945 | (future (* 1.0 message-expires 60 60 24))) |
| 1946 | ;; Add the future to current. |
| 1947 | (setcar current (+ (car current) (round (/ future (expt 2 16))))) |
| 1948 | (setcar (cdr current) (+ (nth 1 current) (% (round future) (expt 2 16)))) |
| 1949 | ;; Return the date in the future in UT. |
| 1950 | (timezone-make-date-arpa-standard |
| 1951 | (current-time-string current) (current-time-zone current) '(0 "UT")))) |
| 1952 | |
| 1953 | (defun message-make-path () |
| 1954 | "Return uucp path." |
| 1955 | (let ((login-name (user-login-name))) |
| 1956 | (cond ((null message-user-path) |
| 1957 | (concat (system-name) "!" login-name)) |
| 1958 | ((stringp message-user-path) |
| 1959 | ;; Support GENERICPATH. Suggested by vixie@decwrl.dec.com. |
| 1960 | (concat message-user-path "!" login-name)) |
| 1961 | (t login-name)))) |
| 1962 | |
| 1963 | (defun message-make-from () |
| 1964 | "Make a From header." |
| 1965 | (let* ((login (message-make-address)) |
| 1966 | (fullname |
| 1967 | (or (and (boundp 'user-full-name) |
| 1968 | user-full-name) |
| 1969 | (user-full-name)))) |
| 1970 | (when (string= fullname "&") |
| 1971 | (setq fullname (user-login-name))) |
| 1972 | (save-excursion |
| 1973 | (message-set-work-buffer) |
| 1974 | (cond |
| 1975 | ((or (null message-from-style) |
| 1976 | (equal fullname "")) |
| 1977 | (insert login)) |
| 1978 | ((or (eq message-from-style 'angles) |
| 1979 | (and (not (eq message-from-style 'parens)) |
| 1980 | ;; Use angles if no quoting is needed, or if parens would |
| 1981 | ;; need quoting too. |
| 1982 | (or (not (string-match "[^- !#-'*+/-9=?A-Z^-~]" fullname)) |
| 1983 | (let ((tmp (concat fullname nil))) |
| 1984 | (while (string-match "([^()]*)" tmp) |
| 1985 | (aset tmp (match-beginning 0) ?-) |
| 1986 | (aset tmp (1- (match-end 0)) ?-)) |
| 1987 | (string-match "[\\()]" tmp))))) |
| 1988 | (insert fullname) |
| 1989 | (goto-char (point-min)) |
| 1990 | ;; Look for a character that cannot appear unquoted |
| 1991 | ;; according to RFC 822. |
| 1992 | (when (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" nil 1) |
| 1993 | ;; Quote fullname, escaping specials. |
| 1994 | (goto-char (point-min)) |
| 1995 | (insert "\"") |
| 1996 | (while (re-search-forward "[\"\\]" nil 1) |
| 1997 | (replace-match "\\\\\\&" t)) |
| 1998 | (insert "\"")) |
| 1999 | (insert " <" login ">")) |
| 2000 | (t ; 'parens or default |
| 2001 | (insert login " (") |
| 2002 | (let ((fullname-start (point))) |
| 2003 | (insert fullname) |
| 2004 | (goto-char fullname-start) |
| 2005 | ;; RFC 822 says \ and nonmatching parentheses |
| 2006 | ;; must be escaped in comments. |
| 2007 | ;; Escape every instance of ()\ ... |
| 2008 | (while (re-search-forward "[()\\]" nil 1) |
| 2009 | (replace-match "\\\\\\&" t)) |
| 2010 | ;; ... then undo escaping of matching parentheses, |
| 2011 | ;; including matching nested parentheses. |
| 2012 | (goto-char fullname-start) |
| 2013 | (while (re-search-forward |
| 2014 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" |
| 2015 | nil 1) |
| 2016 | (replace-match "\\1(\\3)" t) |
| 2017 | (goto-char fullname-start))) |
| 2018 | (insert ")"))) |
| 2019 | (buffer-string)))) |
| 2020 | |
| 2021 | (defun message-make-sender () |
| 2022 | "Return the \"real\" user address. |
| 2023 | This function tries to ignore all user modifications, and |
| 2024 | give as trustworthy answer as possible." |
| 2025 | (concat (user-login-name) "@" (system-name))) |
| 2026 | |
| 2027 | (defun message-make-address () |
| 2028 | "Make the address of the user." |
| 2029 | (or (message-user-mail-address) |
| 2030 | (concat (user-login-name) "@" (message-make-domain)))) |
| 2031 | |
| 2032 | (defun message-user-mail-address () |
| 2033 | "Return the pertinent part of `user-mail-address'." |
| 2034 | (when user-mail-address |
| 2035 | (nth 1 (mail-extract-address-components user-mail-address)))) |
| 2036 | |
| 2037 | (defun message-make-fqdn () |
| 2038 | "Return user's fully qualified domain name." |
| 2039 | (let ((system-name (system-name)) |
| 2040 | (user-mail (message-user-mail-address))) |
| 2041 | (cond |
| 2042 | ((string-match "[^.]\\.[^.]" system-name) |
| 2043 | ;; `system-name' returned the right result. |
| 2044 | system-name) |
| 2045 | ;; Try `mail-host-address'. |
| 2046 | ((and (boundp 'mail-host-address) |
| 2047 | (stringp mail-host-address) |
| 2048 | (string-match "\\." mail-host-address)) |
| 2049 | mail-host-address) |
| 2050 | ;; We try `user-mail-address' as a backup. |
| 2051 | ((and (string-match "\\." user-mail) |
| 2052 | (string-match "@\\(.*\\)\\'" user-mail)) |
| 2053 | (match-string 1 user-mail)) |
| 2054 | ;; Default to this bogus thing. |
| 2055 | (t |
| 2056 | (concat system-name ".i-have-a-misconfigured-system-so-shoot-me"))))) |
| 2057 | |
| 2058 | (defun message-make-host-name () |
| 2059 | "Return the name of the host." |
| 2060 | (let ((fqdn (message-make-fqdn))) |
| 2061 | (string-match "^[^.]+\\." fqdn) |
| 2062 | (substring fqdn 0 (1- (match-end 0))))) |
| 2063 | |
| 2064 | (defun message-make-domain () |
| 2065 | "Return the domain name." |
| 2066 | (or mail-host-address |
| 2067 | (message-make-fqdn))) |
| 2068 | |
| 2069 | (defun message-generate-headers (headers) |
| 2070 | "Prepare article HEADERS. |
| 2071 | Headers already prepared in the buffer are not modified." |
| 2072 | (save-restriction |
| 2073 | (message-narrow-to-headers) |
| 2074 | (let* ((Date (message-make-date)) |
| 2075 | (Message-ID (message-make-message-id)) |
| 2076 | (Organization (message-make-organization)) |
| 2077 | (From (message-make-from)) |
| 2078 | (Path (message-make-path)) |
| 2079 | (Subject nil) |
| 2080 | (Newsgroups nil) |
| 2081 | (In-Reply-To (message-make-in-reply-to)) |
| 2082 | (To nil) |
| 2083 | (Distribution (message-make-distribution)) |
| 2084 | (Lines (message-make-lines)) |
| 2085 | (X-Newsreader message-newsreader) |
| 2086 | (X-Mailer (and (not (message-fetch-field "X-Newsreader")) |
| 2087 | message-mailer)) |
| 2088 | (Expires (message-make-expires)) |
| 2089 | (case-fold-search t) |
| 2090 | header value elem) |
| 2091 | ;; First we remove any old generated headers. |
| 2092 | (let ((headers message-deletable-headers)) |
| 2093 | (while headers |
| 2094 | (goto-char (point-min)) |
| 2095 | (and (re-search-forward |
| 2096 | (concat "^" (symbol-name (car headers)) ": *") nil t) |
| 2097 | (get-text-property (1+ (match-beginning 0)) 'message-deletable) |
| 2098 | (message-delete-line)) |
| 2099 | (pop headers))) |
| 2100 | ;; Go through all the required headers and see if they are in the |
| 2101 | ;; articles already. If they are not, or are empty, they are |
| 2102 | ;; inserted automatically - except for Subject, Newsgroups and |
| 2103 | ;; Distribution. |
| 2104 | (while headers |
| 2105 | (goto-char (point-min)) |
| 2106 | (setq elem (pop headers)) |
| 2107 | (if (consp elem) |
| 2108 | (if (eq (car elem) 'optional) |
| 2109 | (setq header (cdr elem)) |
| 2110 | (setq header (car elem))) |
| 2111 | (setq header elem)) |
| 2112 | (when (or (not (re-search-forward |
| 2113 | (concat "^" (downcase (symbol-name header)) ":") |
| 2114 | nil t)) |
| 2115 | (progn |
| 2116 | ;; The header was found. We insert a space after the |
| 2117 | ;; colon, if there is none. |
| 2118 | (if (/= (following-char) ? ) (insert " ") (forward-char 1)) |
| 2119 | ;; Find out whether the header is empty... |
| 2120 | (looking-at "[ \t]*$"))) |
| 2121 | ;; So we find out what value we should insert. |
| 2122 | (setq value |
| 2123 | (cond |
| 2124 | ((and (consp elem) (eq (car elem) 'optional)) |
| 2125 | ;; This is an optional header. If the cdr of this |
| 2126 | ;; is something that is nil, then we do not insert |
| 2127 | ;; this header. |
| 2128 | (setq header (cdr elem)) |
| 2129 | (or (and (fboundp (cdr elem)) (funcall (cdr elem))) |
| 2130 | (and (boundp (cdr elem)) (symbol-value (cdr elem))))) |
| 2131 | ((consp elem) |
| 2132 | ;; The element is a cons. Either the cdr is a |
| 2133 | ;; string to be inserted verbatim, or it is a |
| 2134 | ;; function, and we insert the value returned from |
| 2135 | ;; this function. |
| 2136 | (or (and (stringp (cdr elem)) (cdr elem)) |
| 2137 | (and (fboundp (cdr elem)) (funcall (cdr elem))))) |
| 2138 | ((and (boundp header) (symbol-value header)) |
| 2139 | ;; The element is a symbol. We insert the value |
| 2140 | ;; of this symbol, if any. |
| 2141 | (symbol-value header)) |
| 2142 | (t |
| 2143 | ;; We couldn't generate a value for this header, |
| 2144 | ;; so we just ask the user. |
| 2145 | (read-from-minibuffer |
| 2146 | (format "Empty header for %s; enter value: " header))))) |
| 2147 | ;; Finally insert the header. |
| 2148 | (when (and value |
| 2149 | (not (equal value ""))) |
| 2150 | (save-excursion |
| 2151 | (if (bolp) |
| 2152 | (progn |
| 2153 | ;; This header didn't exist, so we insert it. |
| 2154 | (goto-char (point-max)) |
| 2155 | (insert (symbol-name header) ": " value "\n") |
| 2156 | (forward-line -1)) |
| 2157 | ;; The value of this header was empty, so we clear |
| 2158 | ;; totally and insert the new value. |
| 2159 | (delete-region (point) (message-point-at-eol)) |
| 2160 | (insert value)) |
| 2161 | ;; Add the deletable property to the headers that require it. |
| 2162 | (and (memq header message-deletable-headers) |
| 2163 | (progn (beginning-of-line) (looking-at "[^:]+: ")) |
| 2164 | (add-text-properties |
| 2165 | (point) (match-end 0) |
| 2166 | '(message-deletable t face italic) (current-buffer))))))) |
| 2167 | ;; Insert new Sender if the From is strange. |
| 2168 | (let ((from (message-fetch-field "from")) |
| 2169 | (sender (message-fetch-field "sender")) |
| 2170 | (secure-sender (message-make-sender))) |
| 2171 | (when (and from |
| 2172 | (not (message-check-element 'sender)) |
| 2173 | (not (string= |
| 2174 | (downcase |
| 2175 | (cadr (mail-extract-address-components from))) |
| 2176 | (downcase secure-sender))) |
| 2177 | (or (null sender) |
| 2178 | (not |
| 2179 | (string= |
| 2180 | (downcase |
| 2181 | (cadr (mail-extract-address-components sender))) |
| 2182 | (downcase secure-sender))))) |
| 2183 | (goto-char (point-min)) |
| 2184 | ;; Rename any old Sender headers to Original-Sender. |
| 2185 | (when (re-search-forward "^Sender:" nil t) |
| 2186 | (beginning-of-line) |
| 2187 | (insert "Original-") |
| 2188 | (beginning-of-line)) |
| 2189 | (insert "Sender: " secure-sender "\n")))))) |
| 2190 | |
| 2191 | (defun message-insert-courtesy-copy () |
| 2192 | "Insert a courtesy message in mail copies of combined messages." |
| 2193 | (save-excursion |
| 2194 | (save-restriction |
| 2195 | (message-narrow-to-headers) |
| 2196 | (let ((newsgroups (message-fetch-field "newsgroups"))) |
| 2197 | (when newsgroups |
| 2198 | (goto-char (point-max)) |
| 2199 | (insert "Posted-To: " newsgroups "\n")))) |
| 2200 | (forward-line 1) |
| 2201 | (insert message-courtesy-message))) |
| 2202 | |
| 2203 | ;;; |
| 2204 | ;;; Setting up a message buffer |
| 2205 | ;;; |
| 2206 | |
| 2207 | (defun message-fill-address (header value) |
| 2208 | (save-restriction |
| 2209 | (narrow-to-region (point) (point)) |
| 2210 | (insert (capitalize (symbol-name header)) |
| 2211 | ": " |
| 2212 | (if (consp value) (car value) value) |
| 2213 | "\n") |
| 2214 | (narrow-to-region (point-min) (1- (point-max))) |
| 2215 | (let (quoted last) |
| 2216 | (goto-char (point-min)) |
| 2217 | (while (not (eobp)) |
| 2218 | (skip-chars-forward "^,\"" (point-max)) |
| 2219 | (if (or (= (following-char) ?,) |
| 2220 | (eobp)) |
| 2221 | (when (not quoted) |
| 2222 | (if (and (> (current-column) 78) |
| 2223 | last) |
| 2224 | (progn |
| 2225 | (save-excursion |
| 2226 | (goto-char last) |
| 2227 | (insert "\n\t")) |
| 2228 | (setq last (1+ (point)))) |
| 2229 | (setq last (1+ (point))))) |
| 2230 | (setq quoted (not quoted))) |
| 2231 | (unless (eobp) |
| 2232 | (forward-char 1)))) |
| 2233 | (goto-char (point-max)) |
| 2234 | (widen) |
| 2235 | (forward-line 1))) |
| 2236 | |
| 2237 | (defun message-fill-header (header value) |
| 2238 | (let ((begin (point)) |
| 2239 | (fill-column 78) |
| 2240 | (fill-prefix "\t")) |
| 2241 | (insert (capitalize (symbol-name header)) |
| 2242 | ": " |
| 2243 | (if (consp value) (car value) value) |
| 2244 | "\n") |
| 2245 | (save-restriction |
| 2246 | (narrow-to-region begin (point)) |
| 2247 | (fill-region-as-paragraph begin (point)) |
| 2248 | ;; Tapdance around looong Message-IDs. |
| 2249 | (forward-line -1) |
| 2250 | (when (looking-at "[ \t]*$") |
| 2251 | (message-delete-line)) |
| 2252 | (goto-char begin) |
| 2253 | (re-search-forward ":" nil t) |
| 2254 | (when (looking-at "\n[ \t]+") |
| 2255 | (replace-match " " t t)) |
| 2256 | (goto-char (point-max))))) |
| 2257 | |
| 2258 | (defun message-position-point () |
| 2259 | "Move point to where the user probably wants to find it." |
| 2260 | (message-narrow-to-headers) |
| 2261 | (cond |
| 2262 | ((re-search-forward "^[^:]+:[ \t]*$" nil t) |
| 2263 | (search-backward ":" ) |
| 2264 | (widen) |
| 2265 | (forward-char 1) |
| 2266 | (if (= (following-char) ? ) |
| 2267 | (forward-char 1) |
| 2268 | (insert " "))) |
| 2269 | (t |
| 2270 | (goto-char (point-max)) |
| 2271 | (widen) |
| 2272 | (forward-line 1) |
| 2273 | (unless (looking-at "$") |
| 2274 | (forward-line 2))) |
| 2275 | (sit-for 0))) |
| 2276 | |
| 2277 | (defun message-buffer-name (type &optional to group) |
| 2278 | "Return a new (unique) buffer name based on TYPE and TO." |
| 2279 | (cond |
| 2280 | ;; Check whether `message-generate-new-buffers' is a function, |
| 2281 | ;; and if so, call it. |
| 2282 | ((message-functionp message-generate-new-buffers) |
| 2283 | (funcall message-generate-new-buffers type to group)) |
| 2284 | ;; Generate a new buffer name The Message Way. |
| 2285 | (message-generate-new-buffers |
| 2286 | (generate-new-buffer-name |
| 2287 | (concat "*" type |
| 2288 | (if to |
| 2289 | (concat " to " |
| 2290 | (or (car (mail-extract-address-components to)) |
| 2291 | to) "") |
| 2292 | "") |
| 2293 | (if (and group (not (string= group ""))) (concat " on " group) "") |
| 2294 | "*"))) |
| 2295 | ;; Use standard name. |
| 2296 | (t |
| 2297 | (format "*%s message*" type)))) |
| 2298 | |
| 2299 | (defun message-pop-to-buffer (name) |
| 2300 | "Pop to buffer NAME, and warn if it already exists and is modified." |
| 2301 | (let ((buffer (get-buffer name))) |
| 2302 | (if (and buffer |
| 2303 | (buffer-name buffer)) |
| 2304 | (progn |
| 2305 | (set-buffer (pop-to-buffer buffer)) |
| 2306 | (when (and (buffer-modified-p) |
| 2307 | (not (y-or-n-p |
| 2308 | "Message already being composed; erase? "))) |
| 2309 | (error "Message being composed"))) |
| 2310 | (set-buffer (pop-to-buffer name)))) |
| 2311 | (erase-buffer) |
| 2312 | (message-mode)) |
| 2313 | |
| 2314 | (defun message-do-send-housekeeping () |
| 2315 | "Kill old message buffers." |
| 2316 | ;; We might have sent this buffer already. Delete it from the |
| 2317 | ;; list of buffers. |
| 2318 | (setq message-buffer-list (delq (current-buffer) message-buffer-list)) |
| 2319 | (when (and message-max-buffers |
| 2320 | (>= (length message-buffer-list) message-max-buffers)) |
| 2321 | ;; Kill the oldest buffer -- unless it has been changed. |
| 2322 | (let ((buffer (pop message-buffer-list))) |
| 2323 | (when (and (buffer-name buffer) |
| 2324 | (not (buffer-modified-p buffer))) |
| 2325 | (kill-buffer buffer)))) |
| 2326 | ;; Rename the buffer. |
| 2327 | (if message-send-rename-function |
| 2328 | (funcall message-send-rename-function) |
| 2329 | (when (string-match "\\`\\*" (buffer-name)) |
| 2330 | (rename-buffer |
| 2331 | (concat "*sent " (substring (buffer-name) (match-end 0))) t))) |
| 2332 | ;; Push the current buffer onto the list. |
| 2333 | (when message-max-buffers |
| 2334 | (setq message-buffer-list |
| 2335 | (nconc message-buffer-list (list (current-buffer)))))) |
| 2336 | |
| 2337 | (defvar mc-modes-alist) |
| 2338 | (defun message-setup (headers &optional replybuffer actions) |
| 2339 | (when (and (boundp 'mc-modes-alist) |
| 2340 | (not (assq 'message-mode mc-modes-alist))) |
| 2341 | (push '(message-mode (encrypt . mc-encrypt-message) |
| 2342 | (sign . mc-sign-message)) |
| 2343 | mc-modes-alist)) |
| 2344 | (when actions |
| 2345 | (setq message-send-actions actions)) |
| 2346 | (setq message-reply-buffer replybuffer) |
| 2347 | (goto-char (point-min)) |
| 2348 | ;; Insert all the headers. |
| 2349 | (mail-header-format |
| 2350 | (let ((h headers) |
| 2351 | (alist message-header-format-alist)) |
| 2352 | (while h |
| 2353 | (unless (assq (caar h) message-header-format-alist) |
| 2354 | (push (list (caar h)) alist)) |
| 2355 | (pop h)) |
| 2356 | alist) |
| 2357 | headers) |
| 2358 | (delete-region (point) (progn (forward-line -1) (point))) |
| 2359 | (when message-default-headers |
| 2360 | (insert message-default-headers)) |
| 2361 | (put-text-property |
| 2362 | (point) |
| 2363 | (progn |
| 2364 | (insert mail-header-separator "\n") |
| 2365 | (1- (point))) |
| 2366 | 'read-only nil) |
| 2367 | (forward-line -1) |
| 2368 | (when (message-news-p) |
| 2369 | (when message-default-news-headers |
| 2370 | (insert message-default-news-headers)) |
| 2371 | (when message-generate-headers-first |
| 2372 | (message-generate-headers |
| 2373 | (delq 'Lines |
| 2374 | (delq 'Subject |
| 2375 | (copy-sequence message-required-news-headers)))))) |
| 2376 | (when (message-mail-p) |
| 2377 | (when message-default-mail-headers |
| 2378 | (insert message-default-mail-headers)) |
| 2379 | (when message-generate-headers-first |
| 2380 | (message-generate-headers |
| 2381 | (delq 'Lines |
| 2382 | (delq 'Subject |
| 2383 | (copy-sequence message-required-mail-headers)))))) |
| 2384 | (run-hooks 'message-signature-setup-hook) |
| 2385 | (message-insert-signature) |
| 2386 | (message-set-auto-save-file-name) |
| 2387 | (save-restriction |
| 2388 | (message-narrow-to-headers) |
| 2389 | (run-hooks 'message-header-setup-hook)) |
| 2390 | (set-buffer-modified-p nil) |
| 2391 | (run-hooks 'message-setup-hook) |
| 2392 | (message-position-point) |
| 2393 | (undo-boundary)) |
| 2394 | |
| 2395 | (defun message-set-auto-save-file-name () |
| 2396 | "Associate the message buffer with a file in the drafts directory." |
| 2397 | (when message-autosave-directory |
| 2398 | (unless (file-exists-p message-autosave-directory) |
| 2399 | (make-directory message-autosave-directory t)) |
| 2400 | (let ((name (make-temp-name |
| 2401 | (concat (file-name-as-directory message-autosave-directory) |
| 2402 | "msg.")))) |
| 2403 | (setq buffer-auto-save-file-name |
| 2404 | (save-excursion |
| 2405 | (prog1 |
| 2406 | (progn |
| 2407 | (set-buffer (get-buffer-create " *draft tmp*")) |
| 2408 | (setq buffer-file-name name) |
| 2409 | (make-auto-save-file-name)) |
| 2410 | (kill-buffer (current-buffer))))) |
| 2411 | (clear-visited-file-modtime)))) |
| 2412 | |
| 2413 | \f |
| 2414 | |
| 2415 | ;;; |
| 2416 | ;;; Commands for interfacing with message |
| 2417 | ;;; |
| 2418 | |
| 2419 | ;;;###autoload |
| 2420 | (defun message-mail (&optional to subject) |
| 2421 | "Start editing a mail message to be sent." |
| 2422 | (interactive) |
| 2423 | (message-pop-to-buffer (message-buffer-name "mail" to)) |
| 2424 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) |
| 2425 | |
| 2426 | ;;;###autoload |
| 2427 | (defun message-news (&optional newsgroups subject) |
| 2428 | "Start editing a news article to be sent." |
| 2429 | (interactive) |
| 2430 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups)) |
| 2431 | (message-setup `((Newsgroups . ,(or newsgroups "")) |
| 2432 | (Subject . ,(or subject ""))))) |
| 2433 | |
| 2434 | ;;;###autoload |
| 2435 | (defun message-reply (&optional to-address wide ignore-reply-to) |
| 2436 | "Start editing a reply to the article in the current buffer." |
| 2437 | (interactive) |
| 2438 | (let ((cur (current-buffer)) |
| 2439 | from subject date reply-to to cc |
| 2440 | references message-id follow-to |
| 2441 | mct never-mct gnus-warning) |
| 2442 | (save-restriction |
| 2443 | (narrow-to-region |
| 2444 | (goto-char (point-min)) |
| 2445 | (if (search-forward "\n\n" nil t) |
| 2446 | (1- (point)) |
| 2447 | (point-max))) |
| 2448 | ;; Allow customizations to have their say. |
| 2449 | (if (not wide) |
| 2450 | ;; This is a regular reply. |
| 2451 | (if (message-functionp message-reply-to-function) |
| 2452 | (setq follow-to (funcall message-reply-to-function))) |
| 2453 | ;; This is a followup. |
| 2454 | (if (message-functionp message-wide-reply-to-function) |
| 2455 | (save-excursion |
| 2456 | (setq follow-to |
| 2457 | (funcall message-wide-reply-to-function))))) |
| 2458 | ;; Find all relevant headers we need. |
| 2459 | (setq from (message-fetch-field "from") |
| 2460 | date (message-fetch-field "date") |
| 2461 | subject (or (message-fetch-field "subject") "none") |
| 2462 | to (message-fetch-field "to") |
| 2463 | cc (message-fetch-field "cc") |
| 2464 | mct (message-fetch-field "mail-copies-to") |
| 2465 | reply-to (unless ignore-reply-to (message-fetch-field "reply-to")) |
| 2466 | references (message-fetch-field "references") |
| 2467 | message-id (message-fetch-field "message-id")) |
| 2468 | ;; Remove any (buggy) Re:'s that are present and make a |
| 2469 | ;; proper one. |
| 2470 | (when (string-match "^[ \t]*[Rr][Ee]:[ \t]*" subject) |
| 2471 | (setq subject (substring subject (match-end 0)))) |
| 2472 | (setq subject (concat "Re: " subject)) |
| 2473 | |
| 2474 | (when (and (setq gnus-warning (message-fetch-field "gnus-warning")) |
| 2475 | (string-match "<[^>]+>" gnus-warning)) |
| 2476 | (setq message-id (match-string 0 gnus-warning))) |
| 2477 | |
| 2478 | ;; Handle special values of Mail-Copies-To. |
| 2479 | (when mct |
| 2480 | (cond ((equal (downcase mct) "never") |
| 2481 | (setq never-mct t) |
| 2482 | (setq mct nil)) |
| 2483 | ((equal (downcase mct) "always") |
| 2484 | (setq mct (or reply-to from))))) |
| 2485 | |
| 2486 | (unless follow-to |
| 2487 | (if (or (not wide) |
| 2488 | to-address) |
| 2489 | (setq follow-to (list (cons 'To (or to-address reply-to from)))) |
| 2490 | (let (ccalist) |
| 2491 | (save-excursion |
| 2492 | (message-set-work-buffer) |
| 2493 | (unless never-mct |
| 2494 | (insert (or reply-to from ""))) |
| 2495 | (insert |
| 2496 | (if (bolp) "" ", ") (or to "") |
| 2497 | (if mct (concat (if (bolp) "" ", ") mct) "") |
| 2498 | (if cc (concat (if (bolp) "" ", ") cc) "")) |
| 2499 | ;; Remove addresses that match `rmail-dont-reply-to-names'. |
| 2500 | (insert (prog1 (rmail-dont-reply-to (buffer-string)) |
| 2501 | (erase-buffer))) |
| 2502 | (goto-char (point-min)) |
| 2503 | (setq ccalist |
| 2504 | (mapcar |
| 2505 | (lambda (addr) |
| 2506 | (cons (mail-strip-quoted-names addr) addr)) |
| 2507 | (nreverse (mail-parse-comma-list)))) |
| 2508 | (let ((s ccalist)) |
| 2509 | (while s |
| 2510 | (setq ccalist (delq (assoc (car (pop s)) s) ccalist))))) |
| 2511 | (setq follow-to (list (cons 'To (cdr (pop ccalist))))) |
| 2512 | (when ccalist |
| 2513 | (push (cons 'Cc |
| 2514 | (mapconcat (lambda (addr) (cdr addr)) ccalist ", ")) |
| 2515 | follow-to))))) |
| 2516 | (widen)) |
| 2517 | |
| 2518 | (message-pop-to-buffer (message-buffer-name |
| 2519 | (if wide "wide reply" "reply") from |
| 2520 | (if wide to-address nil))) |
| 2521 | |
| 2522 | (setq message-reply-headers |
| 2523 | (vector 0 subject from date message-id references 0 0 "")) |
| 2524 | |
| 2525 | (message-setup |
| 2526 | `((Subject . ,subject) |
| 2527 | ,@follow-to |
| 2528 | ,@(if (or references message-id) |
| 2529 | `((References . ,(concat (or references "") (and references " ") |
| 2530 | (or message-id "")))) |
| 2531 | nil)) |
| 2532 | cur))) |
| 2533 | |
| 2534 | ;;;###autoload |
| 2535 | (defun message-wide-reply (&optional to-address) |
| 2536 | (interactive) |
| 2537 | (message-reply to-address t)) |
| 2538 | |
| 2539 | ;;;###autoload |
| 2540 | (defun message-followup () |
| 2541 | (interactive) |
| 2542 | (let ((cur (current-buffer)) |
| 2543 | from subject date reply-to mct |
| 2544 | references message-id follow-to |
| 2545 | followup-to distribution newsgroups gnus-warning) |
| 2546 | (save-restriction |
| 2547 | (narrow-to-region |
| 2548 | (goto-char (point-min)) |
| 2549 | (if (search-forward "\n\n" nil t) |
| 2550 | (1- (point)) |
| 2551 | (point-max))) |
| 2552 | (when (message-functionp message-followup-to-function) |
| 2553 | (setq follow-to |
| 2554 | (funcall message-followup-to-function))) |
| 2555 | (setq from (message-fetch-field "from") |
| 2556 | date (message-fetch-field "date") |
| 2557 | subject (or (message-fetch-field "subject") "none") |
| 2558 | references (message-fetch-field "references") |
| 2559 | message-id (message-fetch-field "message-id") |
| 2560 | followup-to (message-fetch-field "followup-to") |
| 2561 | newsgroups (message-fetch-field "newsgroups") |
| 2562 | reply-to (message-fetch-field "reply-to") |
| 2563 | distribution (message-fetch-field "distribution") |
| 2564 | mct (message-fetch-field "mail-copies-to")) |
| 2565 | (when (and (setq gnus-warning (message-fetch-field "gnus-warning")) |
| 2566 | (string-match "<[^>]+>" gnus-warning)) |
| 2567 | (setq message-id (match-string 0 gnus-warning))) |
| 2568 | ;; Remove bogus distribution. |
| 2569 | (and (stringp distribution) |
| 2570 | (string-match "world" distribution) |
| 2571 | (setq distribution nil)) |
| 2572 | ;; Remove any (buggy) Re:'s that are present and make a |
| 2573 | ;; proper one. |
| 2574 | (when (string-match "^[ \t]*[Rr][Ee]:[ \t]*" subject) |
| 2575 | (setq subject (substring subject (match-end 0)))) |
| 2576 | (setq subject (concat "Re: " subject)) |
| 2577 | (widen)) |
| 2578 | |
| 2579 | (message-pop-to-buffer (message-buffer-name "followup" from newsgroups)) |
| 2580 | |
| 2581 | (message-setup |
| 2582 | `((Subject . ,subject) |
| 2583 | ,@(cond |
| 2584 | (follow-to follow-to) |
| 2585 | ((and followup-to message-use-followup-to) |
| 2586 | (list |
| 2587 | (cond |
| 2588 | ((equal (downcase followup-to) "poster") |
| 2589 | (if (or (eq message-use-followup-to 'use) |
| 2590 | (message-y-or-n-p "Obey Followup-To: poster? " t "\ |
| 2591 | You should normally obey the Followup-To: header. |
| 2592 | |
| 2593 | `Followup-To: poster' sends your response via e-mail instead of news. |
| 2594 | |
| 2595 | A typical situation where `Followup-To: poster' is used is when the poster |
| 2596 | does not read the newsgroup, so he wouldn't see any replies sent to it.")) |
| 2597 | (cons 'To (or reply-to from "")) |
| 2598 | (cons 'Newsgroups newsgroups))) |
| 2599 | (t |
| 2600 | (if (or (equal followup-to newsgroups) |
| 2601 | (not (eq message-use-followup-to 'ask)) |
| 2602 | (message-y-or-n-p |
| 2603 | (concat "Obey Followup-To: " followup-to "? ") t "\ |
| 2604 | You should normally obey the Followup-To: header. |
| 2605 | |
| 2606 | `Followup-To: " followup-to "' |
| 2607 | directs your response to " (if (string-match "," followup-to) |
| 2608 | "the specified newsgroups" |
| 2609 | "that newsgroup only") ". |
| 2610 | |
| 2611 | If a message is posted to several newsgroups, Followup-To is often |
| 2612 | used to direct the following discussion to one newsgroup only, |
| 2613 | because discussions that are spread over several newsgroup tend to |
| 2614 | be fragmented and very difficult to follow. |
| 2615 | |
| 2616 | Also, some source/announcment newsgroups are not indented for discussion; |
| 2617 | responses here are directed to other newsgroups.")) |
| 2618 | (cons 'Newsgroups followup-to) |
| 2619 | (cons 'Newsgroups newsgroups)))))) |
| 2620 | (t |
| 2621 | `((Newsgroups . ,newsgroups)))) |
| 2622 | ,@(and distribution (list (cons 'Distribution distribution))) |
| 2623 | (References . ,(concat (or references "") (and references " ") |
| 2624 | (or message-id ""))) |
| 2625 | ,@(when (and mct |
| 2626 | (not (equal (downcase mct) "never"))) |
| 2627 | (list (cons 'Cc (if (equal (downcase mct) "always") |
| 2628 | (or reply-to from "") |
| 2629 | mct))))) |
| 2630 | |
| 2631 | cur) |
| 2632 | |
| 2633 | (setq message-reply-headers |
| 2634 | (vector 0 subject from date message-id references 0 0 "")))) |
| 2635 | |
| 2636 | |
| 2637 | ;;;###autoload |
| 2638 | (defun message-cancel-news () |
| 2639 | "Cancel an article you posted." |
| 2640 | (interactive) |
| 2641 | (unless (message-news-p) |
| 2642 | (error "This is not a news article; canceling is impossible")) |
| 2643 | (when (yes-or-no-p "Do you really want to cancel this article? ") |
| 2644 | (let (from newsgroups message-id distribution buf) |
| 2645 | (save-excursion |
| 2646 | ;; Get header info. from original article. |
| 2647 | (save-restriction |
| 2648 | (message-narrow-to-head) |
| 2649 | (setq from (message-fetch-field "from") |
| 2650 | newsgroups (message-fetch-field "newsgroups") |
| 2651 | message-id (message-fetch-field "message-id") |
| 2652 | distribution (message-fetch-field "distribution"))) |
| 2653 | ;; Make sure that this article was written by the user. |
| 2654 | (unless (string-equal |
| 2655 | (downcase (cadr (mail-extract-address-components from))) |
| 2656 | (downcase (message-make-address))) |
| 2657 | (error "This article is not yours")) |
| 2658 | ;; Make control message. |
| 2659 | (setq buf (set-buffer (get-buffer-create " *message cancel*"))) |
| 2660 | (buffer-disable-undo (current-buffer)) |
| 2661 | (erase-buffer) |
| 2662 | (insert "Newsgroups: " newsgroups "\n" |
| 2663 | "From: " (message-make-from) "\n" |
| 2664 | "Subject: cmsg cancel " message-id "\n" |
| 2665 | "Control: cancel " message-id "\n" |
| 2666 | (if distribution |
| 2667 | (concat "Distribution: " distribution "\n") |
| 2668 | "") |
| 2669 | mail-header-separator "\n" |
| 2670 | "This is a cancel message from " from ".\n") |
| 2671 | (message "Canceling your article...") |
| 2672 | (let ((message-syntax-checks 'dont-check-for-anything-just-trust-me)) |
| 2673 | (funcall message-send-news-function)) |
| 2674 | (message "Canceling your article...done") |
| 2675 | (kill-buffer buf))))) |
| 2676 | |
| 2677 | ;;;###autoload |
| 2678 | (defun message-supersede () |
| 2679 | "Start composing a message to supersede the current message. |
| 2680 | This is done simply by taking the old article and adding a Supersedes |
| 2681 | header line with the old Message-ID." |
| 2682 | (interactive) |
| 2683 | (let ((cur (current-buffer))) |
| 2684 | ;; Check whether the user owns the article that is to be superseded. |
| 2685 | (unless (string-equal |
| 2686 | (downcase (cadr (mail-extract-address-components |
| 2687 | (message-fetch-field "from")))) |
| 2688 | (downcase (message-make-address))) |
| 2689 | (error "This article is not yours")) |
| 2690 | ;; Get a normal message buffer. |
| 2691 | (message-pop-to-buffer (message-buffer-name "supersede")) |
| 2692 | (insert-buffer-substring cur) |
| 2693 | (message-narrow-to-head) |
| 2694 | ;; Remove unwanted headers. |
| 2695 | (when message-ignored-supersedes-headers |
| 2696 | (message-remove-header message-ignored-supersedes-headers t)) |
| 2697 | (goto-char (point-min)) |
| 2698 | (if (not (re-search-forward "^Message-ID: " nil t)) |
| 2699 | (error "No Message-ID in this article") |
| 2700 | (replace-match "Supersedes: " t t)) |
| 2701 | (goto-char (point-max)) |
| 2702 | (insert mail-header-separator) |
| 2703 | (widen) |
| 2704 | (forward-line 1))) |
| 2705 | |
| 2706 | ;;;###autoload |
| 2707 | (defun message-recover () |
| 2708 | "Reread contents of current buffer from its last auto-save file." |
| 2709 | (interactive) |
| 2710 | (let ((file-name (make-auto-save-file-name))) |
| 2711 | (cond ((save-window-excursion |
| 2712 | (if (not (eq system-type 'vax-vms)) |
| 2713 | (with-output-to-temp-buffer "*Directory*" |
| 2714 | (buffer-disable-undo standard-output) |
| 2715 | (let ((default-directory "/")) |
| 2716 | (call-process |
| 2717 | "ls" nil standard-output nil "-l" file-name)))) |
| 2718 | (yes-or-no-p (format "Recover auto save file %s? " file-name))) |
| 2719 | (let ((buffer-read-only nil)) |
| 2720 | (erase-buffer) |
| 2721 | (insert-file-contents file-name nil))) |
| 2722 | (t (error "message-recover cancelled"))))) |
| 2723 | |
| 2724 | ;;; Forwarding messages. |
| 2725 | |
| 2726 | (defun message-make-forward-subject () |
| 2727 | "Return a Subject header suitable for the message in the current buffer." |
| 2728 | (concat "[" (or (message-fetch-field (if (message-news-p) "newsgroups" "from")) |
| 2729 | "(nowhere)") |
| 2730 | "] " (or (message-fetch-field "Subject") ""))) |
| 2731 | |
| 2732 | ;;;###autoload |
| 2733 | (defun message-forward (&optional news) |
| 2734 | "Forward the current message via mail. |
| 2735 | Optional NEWS will use news to forward instead of mail." |
| 2736 | (interactive "P") |
| 2737 | (let ((cur (current-buffer)) |
| 2738 | (subject (message-make-forward-subject))) |
| 2739 | (if news (message-news nil subject) (message-mail nil subject)) |
| 2740 | ;; Put point where we want it before inserting the forwarded |
| 2741 | ;; message. |
| 2742 | (if message-signature-before-forwarded-message |
| 2743 | (goto-char (point-max)) |
| 2744 | (message-goto-body)) |
| 2745 | ;; Make sure we're at the start of the line. |
| 2746 | (unless (eolp) |
| 2747 | (insert "\n")) |
| 2748 | ;; Narrow to the area we are to insert. |
| 2749 | (narrow-to-region (point) (point)) |
| 2750 | ;; Insert the separators and the forwarded buffer. |
| 2751 | (insert message-forward-start-separator) |
| 2752 | (insert-buffer-substring cur) |
| 2753 | (goto-char (point-max)) |
| 2754 | (insert message-forward-end-separator) |
| 2755 | (set-text-properties (point-min) (point-max) nil) |
| 2756 | ;; Remove all unwanted headers. |
| 2757 | (goto-char (point-min)) |
| 2758 | (forward-line 1) |
| 2759 | (narrow-to-region (point) (if (search-forward "\n\n" nil t) |
| 2760 | (1- (point)) |
| 2761 | (point))) |
| 2762 | (goto-char (point-min)) |
| 2763 | (message-remove-header message-included-forward-headers t nil t) |
| 2764 | (widen) |
| 2765 | (message-position-point))) |
| 2766 | |
| 2767 | ;;;###autoload |
| 2768 | (defun message-resend (address) |
| 2769 | "Resend the current article to ADDRESS." |
| 2770 | (interactive "sResend message to: ") |
| 2771 | (save-excursion |
| 2772 | (let ((cur (current-buffer)) |
| 2773 | beg) |
| 2774 | ;; We first set up a normal mail buffer. |
| 2775 | (set-buffer (get-buffer-create " *message resend*")) |
| 2776 | (buffer-disable-undo (current-buffer)) |
| 2777 | (erase-buffer) |
| 2778 | (message-setup `((To . ,address))) |
| 2779 | ;; Insert our usual headers. |
| 2780 | (message-generate-headers '(From Date To)) |
| 2781 | (message-narrow-to-headers) |
| 2782 | ;; Rename them all to "Resent-*". |
| 2783 | (while (re-search-forward "^[A-Za-z]" nil t) |
| 2784 | (forward-char -1) |
| 2785 | (insert "Resent-")) |
| 2786 | (widen) |
| 2787 | (forward-line) |
| 2788 | (delete-region (point) (point-max)) |
| 2789 | (setq beg (point)) |
| 2790 | ;; Insert the message to be resent. |
| 2791 | (insert-buffer-substring cur) |
| 2792 | (goto-char (point-min)) |
| 2793 | (search-forward "\n\n") |
| 2794 | (forward-char -1) |
| 2795 | (save-restriction |
| 2796 | (narrow-to-region beg (point)) |
| 2797 | (message-remove-header message-ignored-resent-headers t) |
| 2798 | (goto-char (point-max))) |
| 2799 | (insert mail-header-separator) |
| 2800 | ;; Rename all old ("Also-")Resent headers. |
| 2801 | (while (re-search-backward "^\\(Also-\\)?Resent-" beg t) |
| 2802 | (beginning-of-line) |
| 2803 | (insert "Also-")) |
| 2804 | ;; Send it. |
| 2805 | (message-send-mail) |
| 2806 | (kill-buffer (current-buffer))))) |
| 2807 | |
| 2808 | ;;;###autoload |
| 2809 | (defun message-bounce () |
| 2810 | "Re-mail the current message. |
| 2811 | This only makes sense if the current message is a bounce message than |
| 2812 | contains some mail you have written which has been bounced back to |
| 2813 | you." |
| 2814 | (interactive) |
| 2815 | (let ((cur (current-buffer)) |
| 2816 | boundary) |
| 2817 | (message-pop-to-buffer (message-buffer-name "bounce")) |
| 2818 | (insert-buffer-substring cur) |
| 2819 | (undo-boundary) |
| 2820 | (message-narrow-to-head) |
| 2821 | (if (and (message-fetch-field "Mime-Version") |
| 2822 | (setq boundary (message-fetch-field "Content-Type"))) |
| 2823 | (if (string-match "boundary=\"\\([^\"]+\\)\"" boundary) |
| 2824 | (setq boundary (concat (match-string 1 boundary) " *\n" |
| 2825 | "Content-Type: message/rfc822")) |
| 2826 | (setq boundary nil))) |
| 2827 | (widen) |
| 2828 | (goto-char (point-min)) |
| 2829 | (search-forward "\n\n" nil t) |
| 2830 | (or (and boundary |
| 2831 | (re-search-forward boundary nil t) |
| 2832 | (forward-line 2)) |
| 2833 | (and (re-search-forward message-unsent-separator nil t) |
| 2834 | (forward-line 1)) |
| 2835 | (and (search-forward "\n\n" nil t) |
| 2836 | (re-search-forward "^Return-Path:.*\n" nil t))) |
| 2837 | ;; We remove everything before the bounced mail. |
| 2838 | (delete-region |
| 2839 | (point-min) |
| 2840 | (if (re-search-forward "^[^ \n\t]+:" nil t) |
| 2841 | (match-beginning 0) |
| 2842 | (point))) |
| 2843 | (save-restriction |
| 2844 | (message-narrow-to-head) |
| 2845 | (message-remove-header message-ignored-bounced-headers t) |
| 2846 | (goto-char (point-max)) |
| 2847 | (insert mail-header-separator)) |
| 2848 | (message-position-point))) |
| 2849 | |
| 2850 | ;;; |
| 2851 | ;;; Interactive entry points for new message buffers. |
| 2852 | ;;; |
| 2853 | |
| 2854 | ;;;###autoload |
| 2855 | (defun message-mail-other-window (&optional to subject) |
| 2856 | "Like `message-mail' command, but display mail buffer in another window." |
| 2857 | (interactive) |
| 2858 | (let ((pop-up-windows t) |
| 2859 | (special-display-buffer-names nil) |
| 2860 | (special-display-regexps nil) |
| 2861 | (same-window-buffer-names nil) |
| 2862 | (same-window-regexps nil)) |
| 2863 | (message-pop-to-buffer (message-buffer-name "mail" to))) |
| 2864 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) |
| 2865 | |
| 2866 | ;;;###autoload |
| 2867 | (defun message-mail-other-frame (&optional to subject) |
| 2868 | "Like `message-mail' command, but display mail buffer in another frame." |
| 2869 | (interactive) |
| 2870 | (let ((pop-up-frames t) |
| 2871 | (special-display-buffer-names nil) |
| 2872 | (special-display-regexps nil) |
| 2873 | (same-window-buffer-names nil) |
| 2874 | (same-window-regexps nil)) |
| 2875 | (message-pop-to-buffer (message-buffer-name "mail" to))) |
| 2876 | (message-setup `((To . ,(or to "")) (Subject . ,(or subject ""))))) |
| 2877 | |
| 2878 | ;;;###autoload |
| 2879 | (defun message-news-other-window (&optional newsgroups subject) |
| 2880 | "Start editing a news article to be sent." |
| 2881 | (interactive) |
| 2882 | (let ((pop-up-windows t) |
| 2883 | (special-display-buffer-names nil) |
| 2884 | (special-display-regexps nil) |
| 2885 | (same-window-buffer-names nil) |
| 2886 | (same-window-regexps nil)) |
| 2887 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))) |
| 2888 | (message-setup `((Newsgroups . ,(or newsgroups "")) |
| 2889 | (Subject . ,(or subject ""))))) |
| 2890 | |
| 2891 | ;;;###autoload |
| 2892 | (defun message-news-other-frame (&optional newsgroups subject) |
| 2893 | "Start editing a news article to be sent." |
| 2894 | (interactive) |
| 2895 | (let ((pop-up-frames t) |
| 2896 | (special-display-buffer-names nil) |
| 2897 | (special-display-regexps nil) |
| 2898 | (same-window-buffer-names nil) |
| 2899 | (same-window-regexps nil)) |
| 2900 | (message-pop-to-buffer (message-buffer-name "news" nil newsgroups))) |
| 2901 | (message-setup `((Newsgroups . ,(or newsgroups "")) |
| 2902 | (Subject . ,(or subject ""))))) |
| 2903 | |
| 2904 | ;;; underline.el |
| 2905 | |
| 2906 | ;; This code should be moved to underline.el (from which it is stolen). |
| 2907 | |
| 2908 | ;;;###autoload |
| 2909 | (defun bold-region (start end) |
| 2910 | "Bold all nonblank characters in the region. |
| 2911 | Works by overstriking characters. |
| 2912 | Called from program, takes two arguments START and END |
| 2913 | which specify the range to operate on." |
| 2914 | (interactive "r") |
| 2915 | (save-excursion |
| 2916 | (let ((end1 (make-marker))) |
| 2917 | (move-marker end1 (max start end)) |
| 2918 | (goto-char (min start end)) |
| 2919 | (while (< (point) end1) |
| 2920 | (or (looking-at "[_\^@- ]") |
| 2921 | (insert (following-char) "\b")) |
| 2922 | (forward-char 1))))) |
| 2923 | |
| 2924 | ;;;###autoload |
| 2925 | (defun unbold-region (start end) |
| 2926 | "Remove all boldness (overstruck characters) in the region. |
| 2927 | Called from program, takes two arguments START and END |
| 2928 | which specify the range to operate on." |
| 2929 | (interactive "r") |
| 2930 | (save-excursion |
| 2931 | (let ((end1 (make-marker))) |
| 2932 | (move-marker end1 (max start end)) |
| 2933 | (goto-char (min start end)) |
| 2934 | (while (re-search-forward "\b" end1 t) |
| 2935 | (if (eq (following-char) (char-after (- (point) 2))) |
| 2936 | (delete-char -2)))))) |
| 2937 | |
| 2938 | (fset 'message-exchange-point-and-mark 'exchange-point-and-mark) |
| 2939 | |
| 2940 | ;; Support for toolbar |
| 2941 | (when (string-match "XEmacs\\|Lucid" emacs-version) |
| 2942 | (require 'messagexmas)) |
| 2943 | |
| 2944 | ;;; Group name completion. |
| 2945 | |
| 2946 | (defvar message-newgroups-header-regexp |
| 2947 | "^\\(Newsgroups\\|Followup-To\\|Posted-To\\):" |
| 2948 | "Regexp that match headers that lists groups.") |
| 2949 | |
| 2950 | (defun message-tab () |
| 2951 | "Expand group names in Newsgroups and Followup-To headers. |
| 2952 | Do a `tab-to-tab-stop' if not in those headers." |
| 2953 | (interactive) |
| 2954 | (if (let ((mail-abbrev-mode-regexp message-newgroups-header-regexp)) |
| 2955 | (mail-abbrev-in-expansion-header-p)) |
| 2956 | (message-expand-group) |
| 2957 | (tab-to-tab-stop))) |
| 2958 | |
| 2959 | (defvar gnus-active-hashtb) |
| 2960 | (defun message-expand-group () |
| 2961 | (let* ((b (save-excursion (skip-chars-backward "^, :\t\n") (point))) |
| 2962 | (completion-ignore-case t) |
| 2963 | (string (buffer-substring b (point))) |
| 2964 | (hashtb (and (boundp 'gnus-active-hashtb) gnus-active-hashtb)) |
| 2965 | (completions (all-completions string hashtb)) |
| 2966 | (cur (current-buffer)) |
| 2967 | comp) |
| 2968 | (delete-region b (point)) |
| 2969 | (cond |
| 2970 | ((= (length completions) 1) |
| 2971 | (if (string= (car completions) string) |
| 2972 | (progn |
| 2973 | (insert string) |
| 2974 | (message "Only matching group")) |
| 2975 | (insert (car completions)))) |
| 2976 | ((and (setq comp (try-completion string hashtb)) |
| 2977 | (not (string= comp string))) |
| 2978 | (insert comp)) |
| 2979 | (t |
| 2980 | (insert string) |
| 2981 | (if (not comp) |
| 2982 | (message "No matching groups") |
| 2983 | (pop-to-buffer "*Completions*") |
| 2984 | (buffer-disable-undo (current-buffer)) |
| 2985 | (let ((buffer-read-only nil)) |
| 2986 | (erase-buffer) |
| 2987 | (let ((standard-output (current-buffer))) |
| 2988 | (display-completion-list (sort completions 'string<))) |
| 2989 | (goto-char (point-min)) |
| 2990 | (pop-to-buffer cur))))))) |
| 2991 | |
| 2992 | (run-hooks 'message-load-hook) |
| 2993 | |
| 2994 | (provide 'message) |
| 2995 | |
| 2996 | ;;; message.el ends here |