| 1 | ;;; nnimap.el --- IMAP interface for Gnus |
| 2 | |
| 3 | ;; Copyright (C) 2010 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
| 6 | ;; Simon Josefsson <simon@josefsson.org> |
| 7 | |
| 8 | ;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation, either version 3 of the License, or |
| 13 | ;; (at your option) any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 22 | |
| 23 | ;;; Commentary: |
| 24 | |
| 25 | ;; nnimap interfaces Gnus with IMAP servers. |
| 26 | |
| 27 | ;;; Code: |
| 28 | |
| 29 | ;; For Emacs <22.2 and XEmacs. |
| 30 | (eval-and-compile |
| 31 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) |
| 32 | |
| 33 | (eval-and-compile |
| 34 | (require 'nnheader)) |
| 35 | |
| 36 | (eval-when-compile |
| 37 | (require 'cl)) |
| 38 | |
| 39 | (require 'nnheader) |
| 40 | (require 'gnus-util) |
| 41 | (require 'gnus) |
| 42 | (require 'nnoo) |
| 43 | (require 'netrc) |
| 44 | (require 'utf7) |
| 45 | (require 'tls) |
| 46 | (require 'parse-time) |
| 47 | (require 'nnmail) |
| 48 | |
| 49 | (eval-when-compile |
| 50 | (require 'gnus-sum)) |
| 51 | |
| 52 | (autoload 'auth-source-forget-user-or-password "auth-source") |
| 53 | (autoload 'auth-source-user-or-password "auth-source") |
| 54 | |
| 55 | (nnoo-declare nnimap) |
| 56 | |
| 57 | (defvoo nnimap-address nil |
| 58 | "The address of the IMAP server.") |
| 59 | |
| 60 | (defvoo nnimap-server-port nil |
| 61 | "The IMAP port used. |
| 62 | If nnimap-stream is `ssl', this will default to `imaps'. If not, |
| 63 | it will default to `imap'.") |
| 64 | |
| 65 | (defvoo nnimap-stream 'ssl |
| 66 | "How nnimap will talk to the IMAP server. |
| 67 | Values are `ssl', `network', `starttls' or `shell'.") |
| 68 | |
| 69 | (defvoo nnimap-shell-program (if (boundp 'imap-shell-program) |
| 70 | (if (listp imap-shell-program) |
| 71 | (car imap-shell-program) |
| 72 | imap-shell-program) |
| 73 | "ssh %s imapd")) |
| 74 | |
| 75 | (defvoo nnimap-inbox nil |
| 76 | "The mail box where incoming mail arrives and should be split out of.") |
| 77 | |
| 78 | (defvoo nnimap-split-methods nil |
| 79 | "How mail is split. |
| 80 | Uses the same syntax as nnmail-split-methods") |
| 81 | |
| 82 | (defvoo nnimap-split-fancy nil |
| 83 | "Uses the same syntax as nnmail-split-fancy.") |
| 84 | |
| 85 | (defvoo nnimap-unsplittable-articles '(%Deleted %Seen) |
| 86 | "Articles with the flags in the list will not be considered when splitting.") |
| 87 | |
| 88 | (make-obsolete-variable 'nnimap-split-rule "see `nnimap-split-methods'" |
| 89 | "Emacs 24.1") |
| 90 | |
| 91 | (defvoo nnimap-authenticator nil |
| 92 | "How nnimap authenticate itself to the server. |
| 93 | Possible choices are nil (use default methods) or `anonymous'.") |
| 94 | |
| 95 | (defvoo nnimap-expunge t |
| 96 | "If non-nil, expunge articles after deleting them. |
| 97 | This is always done if the server supports UID EXPUNGE, but it's |
| 98 | not done by default on servers that doesn't support that command.") |
| 99 | |
| 100 | (defvoo nnimap-streaming t |
| 101 | "If non-nil, try to use streaming commands with IMAP servers. |
| 102 | Switching this off will make nnimap slower, but it helps with |
| 103 | some servers.") |
| 104 | |
| 105 | (defvoo nnimap-connection-alist nil) |
| 106 | |
| 107 | (defvoo nnimap-current-infos nil) |
| 108 | |
| 109 | (defvoo nnimap-fetch-partial-articles nil |
| 110 | "If non-nil, Gnus will fetch partial articles. |
| 111 | If t, nnimap will fetch only the first part. If a string, it |
| 112 | will fetch all parts that have types that match that string. A |
| 113 | likely value would be \"text/\" to automatically fetch all |
| 114 | textual parts.") |
| 115 | |
| 116 | (defvar nnimap-process nil) |
| 117 | |
| 118 | (defvar nnimap-status-string "") |
| 119 | |
| 120 | (defvar nnimap-split-download-body-default nil |
| 121 | "Internal variable with default value for `nnimap-split-download-body'.") |
| 122 | |
| 123 | (defvar nnimap-keepalive-timer nil) |
| 124 | (defvar nnimap-process-buffers nil) |
| 125 | |
| 126 | (defstruct nnimap |
| 127 | group process commands capabilities select-result newlinep server |
| 128 | last-command-time greeting) |
| 129 | |
| 130 | (defvar nnimap-object nil) |
| 131 | |
| 132 | (defvar nnimap-mark-alist |
| 133 | '((read "\\Seen" %Seen) |
| 134 | (tick "\\Flagged" %Flagged) |
| 135 | (reply "\\Answered" %Answered) |
| 136 | (expire "gnus-expire") |
| 137 | (dormant "gnus-dormant") |
| 138 | (score "gnus-score") |
| 139 | (save "gnus-save") |
| 140 | (download "gnus-download") |
| 141 | (forward "gnus-forward"))) |
| 142 | |
| 143 | (defun nnimap-buffer () |
| 144 | (nnimap-find-process-buffer nntp-server-buffer)) |
| 145 | |
| 146 | (defun nnimap-header-parameters () |
| 147 | (format "(UID RFC822.SIZE BODYSTRUCTURE %s)" |
| 148 | (format |
| 149 | (if (nnimap-ver4-p) |
| 150 | "BODY.PEEK[HEADER.FIELDS %s]" |
| 151 | "RFC822.HEADER.LINES %s") |
| 152 | (append '(Subject From Date Message-Id |
| 153 | References In-Reply-To Xref) |
| 154 | nnmail-extra-headers)))) |
| 155 | |
| 156 | (deffoo nnimap-retrieve-headers (articles &optional group server fetch-old) |
| 157 | (with-current-buffer nntp-server-buffer |
| 158 | (erase-buffer) |
| 159 | (when (nnimap-possibly-change-group group server) |
| 160 | (with-current-buffer (nnimap-buffer) |
| 161 | (erase-buffer) |
| 162 | (nnimap-wait-for-response |
| 163 | (nnimap-send-command |
| 164 | "UID FETCH %s %s" |
| 165 | (nnimap-article-ranges (gnus-compress-sequence articles)) |
| 166 | (nnimap-header-parameters)) |
| 167 | t) |
| 168 | (nnimap-transform-headers)) |
| 169 | (insert-buffer-substring |
| 170 | (nnimap-find-process-buffer (current-buffer)))) |
| 171 | 'headers)) |
| 172 | |
| 173 | (defun nnimap-transform-headers () |
| 174 | (goto-char (point-min)) |
| 175 | (let (article bytes lines size string) |
| 176 | (block nil |
| 177 | (while (not (eobp)) |
| 178 | (while (not (looking-at "^\\* [0-9]+ FETCH.*UID \\([0-9]+\\)")) |
| 179 | (delete-region (point) (progn (forward-line 1) (point))) |
| 180 | (when (eobp) |
| 181 | (return))) |
| 182 | (setq article (match-string 1)) |
| 183 | ;; Unfold quoted {number} strings. |
| 184 | (while (re-search-forward "[^]][ (]{\\([0-9]+\\)}\r\n" |
| 185 | (1+ (line-end-position)) t) |
| 186 | (setq size (string-to-number (match-string 1))) |
| 187 | (delete-region (+ (match-beginning 0) 2) (point)) |
| 188 | (setq string (delete-region (point) (+ (point) size))) |
| 189 | (insert (format "%S" string))) |
| 190 | (setq bytes (nnimap-get-length) |
| 191 | lines nil) |
| 192 | (beginning-of-line) |
| 193 | (setq size |
| 194 | (and (re-search-forward "RFC822.SIZE \\([0-9]+\\)" |
| 195 | (line-end-position) |
| 196 | t) |
| 197 | (match-string 1))) |
| 198 | (beginning-of-line) |
| 199 | (when (search-forward "BODYSTRUCTURE" (line-end-position) t) |
| 200 | (let ((structure (ignore-errors |
| 201 | (read (current-buffer))))) |
| 202 | (while (and (consp structure) |
| 203 | (not (stringp (car structure)))) |
| 204 | (setq structure (car structure))) |
| 205 | (setq lines (nth 7 structure)))) |
| 206 | (delete-region (line-beginning-position) (line-end-position)) |
| 207 | (insert (format "211 %s Article retrieved." article)) |
| 208 | (forward-line 1) |
| 209 | (when size |
| 210 | (insert (format "Chars: %s\n" size))) |
| 211 | (when lines |
| 212 | (insert (format "Lines: %s\n" lines))) |
| 213 | (unless (re-search-forward "^\r$" nil t) |
| 214 | (goto-char (point-max))) |
| 215 | (delete-region (line-beginning-position) (line-end-position)) |
| 216 | (insert ".") |
| 217 | (forward-line 1))))) |
| 218 | |
| 219 | (defun nnimap-get-length () |
| 220 | (and (re-search-forward "{\\([0-9]+\\)}" (line-end-position) t) |
| 221 | (string-to-number (match-string 1)))) |
| 222 | |
| 223 | (defun nnimap-article-ranges (ranges) |
| 224 | (let (result) |
| 225 | (cond |
| 226 | ((numberp ranges) |
| 227 | (number-to-string ranges)) |
| 228 | ((numberp (cdr ranges)) |
| 229 | (format "%d:%d" (car ranges) (cdr ranges))) |
| 230 | (t |
| 231 | (dolist (elem ranges) |
| 232 | (push |
| 233 | (if (consp elem) |
| 234 | (format "%d:%d" (car elem) (cdr elem)) |
| 235 | (number-to-string elem)) |
| 236 | result)) |
| 237 | (mapconcat #'identity (nreverse result) ","))))) |
| 238 | |
| 239 | (deffoo nnimap-open-server (server &optional defs) |
| 240 | (if (nnimap-server-opened server) |
| 241 | t |
| 242 | (unless (assq 'nnimap-address defs) |
| 243 | (setq defs (append defs (list (list 'nnimap-address server))))) |
| 244 | (nnoo-change-server 'nnimap server defs) |
| 245 | (or (nnimap-find-connection nntp-server-buffer) |
| 246 | (nnimap-open-connection nntp-server-buffer)))) |
| 247 | |
| 248 | (defun nnimap-make-process-buffer (buffer) |
| 249 | (with-current-buffer |
| 250 | (generate-new-buffer (format "*nnimap %s %s %s*" |
| 251 | nnimap-address nnimap-server-port |
| 252 | (gnus-buffer-exists-p buffer))) |
| 253 | (mm-disable-multibyte) |
| 254 | (buffer-disable-undo) |
| 255 | (gnus-add-buffer) |
| 256 | (set (make-local-variable 'after-change-functions) nil) |
| 257 | (set (make-local-variable 'nnimap-object) |
| 258 | (make-nnimap :server (nnoo-current-server 'nnimap))) |
| 259 | (push (list buffer (current-buffer)) nnimap-connection-alist) |
| 260 | (push (current-buffer) nnimap-process-buffers) |
| 261 | (current-buffer))) |
| 262 | |
| 263 | (defun nnimap-open-shell-stream (name buffer host port) |
| 264 | (let ((process-connection-type nil)) |
| 265 | (start-process name buffer shell-file-name |
| 266 | shell-command-switch |
| 267 | (format-spec |
| 268 | nnimap-shell-program |
| 269 | (format-spec-make |
| 270 | ?s host |
| 271 | ?p port))))) |
| 272 | |
| 273 | (defun nnimap-credentials (address ports &optional inhibit-create) |
| 274 | (let (port credentials) |
| 275 | ;; Request the credentials from all ports, but only query on the |
| 276 | ;; last port if all the previous ones have failed. |
| 277 | (while (and (null credentials) |
| 278 | (setq port (pop ports))) |
| 279 | (setq credentials |
| 280 | (auth-source-user-or-password |
| 281 | '("login" "password") address port nil |
| 282 | (if inhibit-create |
| 283 | nil |
| 284 | (null ports))))) |
| 285 | credentials)) |
| 286 | |
| 287 | (defun nnimap-keepalive () |
| 288 | (let ((now (current-time))) |
| 289 | (dolist (buffer nnimap-process-buffers) |
| 290 | (when (buffer-name buffer) |
| 291 | (with-current-buffer buffer |
| 292 | (when (and nnimap-object |
| 293 | (nnimap-last-command-time nnimap-object) |
| 294 | (> (gnus-float-time |
| 295 | (time-subtract |
| 296 | now |
| 297 | (nnimap-last-command-time nnimap-object))) |
| 298 | ;; More than five minutes since the last command. |
| 299 | (* 5 60))) |
| 300 | (nnimap-send-command "NOOP"))))))) |
| 301 | |
| 302 | (declare-function gnutls-negotiate "gnutls" |
| 303 | (proc type &optional priority-string trustfiles keyfiles)) |
| 304 | |
| 305 | (defun nnimap-open-connection (buffer) |
| 306 | (unless nnimap-keepalive-timer |
| 307 | (setq nnimap-keepalive-timer (run-at-time (* 60 15) (* 60 15) |
| 308 | 'nnimap-keepalive))) |
| 309 | (block nil |
| 310 | (with-current-buffer (nnimap-make-process-buffer buffer) |
| 311 | (let* ((coding-system-for-read 'binary) |
| 312 | (coding-system-for-write 'binary) |
| 313 | (port nil) |
| 314 | (ports |
| 315 | (cond |
| 316 | ((or (eq nnimap-stream 'network) |
| 317 | (and (eq nnimap-stream 'starttls) |
| 318 | (fboundp 'open-gnutls-stream))) |
| 319 | (nnheader-message 7 "Opening connection to %s..." |
| 320 | nnimap-address) |
| 321 | (open-network-stream |
| 322 | "*nnimap*" (current-buffer) nnimap-address |
| 323 | (setq port |
| 324 | (or nnimap-server-port |
| 325 | (if (netrc-find-service-number "imap") |
| 326 | "imap" |
| 327 | "143")))) |
| 328 | '("143" "imap")) |
| 329 | ((eq nnimap-stream 'shell) |
| 330 | (nnheader-message 7 "Opening connection to %s via shell..." |
| 331 | nnimap-address) |
| 332 | (nnimap-open-shell-stream |
| 333 | "*nnimap*" (current-buffer) nnimap-address |
| 334 | (setq port (or nnimap-server-port "imap"))) |
| 335 | '("imap")) |
| 336 | ((eq nnimap-stream 'starttls) |
| 337 | (nnheader-message 7 "Opening connection to %s via starttls..." |
| 338 | nnimap-address) |
| 339 | (let ((tls-program |
| 340 | '("openssl s_client -connect %h:%p -no_ssl2 -ign_eof -starttls imap"))) |
| 341 | (open-tls-stream |
| 342 | "*nnimap*" (current-buffer) nnimap-address |
| 343 | (setq port (or nnimap-server-port "imap")))) |
| 344 | '("imap")) |
| 345 | ((memq nnimap-stream '(ssl tls)) |
| 346 | (nnheader-message 7 "Opening connection to %s via tls..." |
| 347 | nnimap-address) |
| 348 | (funcall (if (fboundp 'open-gnutls-stream) |
| 349 | 'open-gnutls-stream |
| 350 | 'open-tls-stream) |
| 351 | "*nnimap*" (current-buffer) nnimap-address |
| 352 | (setq port |
| 353 | (or nnimap-server-port |
| 354 | (if (netrc-find-service-number "imaps") |
| 355 | "imaps" |
| 356 | "993")))) |
| 357 | '("143" "993" "imap" "imaps")) |
| 358 | (t |
| 359 | (error "Unknown stream type: %s" nnimap-stream)))) |
| 360 | connection-result login-result credentials) |
| 361 | (setf (nnimap-process nnimap-object) |
| 362 | (get-buffer-process (current-buffer))) |
| 363 | (if (not (and (nnimap-process nnimap-object) |
| 364 | (memq (process-status (nnimap-process nnimap-object)) |
| 365 | '(open run)))) |
| 366 | (nnheader-report 'nnimap "Unable to contact %s:%s via %s" |
| 367 | nnimap-address port nnimap-stream) |
| 368 | (gnus-set-process-query-on-exit-flag |
| 369 | (nnimap-process nnimap-object) nil) |
| 370 | (if (not (setq connection-result (nnimap-wait-for-connection))) |
| 371 | (nnheader-report 'nnimap |
| 372 | "%s" (buffer-substring |
| 373 | (point) (line-end-position))) |
| 374 | ;; Store the greeting (for debugging purposes). |
| 375 | (setf (nnimap-greeting nnimap-object) |
| 376 | (buffer-substring (line-beginning-position) |
| 377 | (line-end-position))) |
| 378 | ;; Store the capabilities. |
| 379 | (setf (nnimap-capabilities nnimap-object) |
| 380 | (mapcar |
| 381 | #'upcase |
| 382 | (nnimap-find-parameter |
| 383 | "CAPABILITY" (cdr (nnimap-command "CAPABILITY"))))) |
| 384 | (when nnimap-server-port |
| 385 | (push (format "%s" nnimap-server-port) ports)) |
| 386 | ;; If this is a STARTTLS-capable server, then sever the |
| 387 | ;; connection and start a STARTTLS connection instead. |
| 388 | (cond |
| 389 | ((and (or (and (eq nnimap-stream 'network) |
| 390 | (nnimap-capability "STARTTLS")) |
| 391 | (eq nnimap-stream 'starttls)) |
| 392 | (fboundp 'open-gnutls-stream)) |
| 393 | (nnimap-command "STARTTLS") |
| 394 | (gnutls-negotiate (nnimap-process nnimap-object) nil)) |
| 395 | ((and (eq nnimap-stream 'network) |
| 396 | (nnimap-capability "STARTTLS")) |
| 397 | (let ((nnimap-stream 'starttls)) |
| 398 | (let ((tls-process |
| 399 | (nnimap-open-connection buffer))) |
| 400 | ;; If the STARTTLS connection was successful, we |
| 401 | ;; kill our first non-encrypted connection. If it |
| 402 | ;; wasn't successful, we just use our unencrypted |
| 403 | ;; connection. |
| 404 | (when (memq (process-status tls-process) '(open run)) |
| 405 | (delete-process (nnimap-process nnimap-object)) |
| 406 | (kill-buffer (current-buffer)) |
| 407 | (return tls-process)))))) |
| 408 | (unless (equal connection-result "PREAUTH") |
| 409 | (if (not (setq credentials |
| 410 | (if (eq nnimap-authenticator 'anonymous) |
| 411 | (list "anonymous" |
| 412 | (message-make-address)) |
| 413 | (or |
| 414 | ;; First look for the credentials based |
| 415 | ;; on the virtual server name. |
| 416 | (nnimap-credentials |
| 417 | (nnoo-current-server 'nnimap) ports t) |
| 418 | ;; Then look them up based on the |
| 419 | ;; physical address. |
| 420 | (nnimap-credentials nnimap-address ports))))) |
| 421 | (setq nnimap-object nil) |
| 422 | (setq login-result |
| 423 | (if (and (nnimap-capability "AUTH=PLAIN") |
| 424 | (nnimap-capability "LOGINDISABLED")) |
| 425 | (nnimap-command |
| 426 | "AUTHENTICATE PLAIN %s" |
| 427 | (base64-encode-string |
| 428 | (format "\000%s\000%s" |
| 429 | (nnimap-quote-specials (car credentials)) |
| 430 | (nnimap-quote-specials (cadr credentials))))) |
| 431 | (nnimap-command "LOGIN %S %S" |
| 432 | (car credentials) |
| 433 | (cadr credentials)))) |
| 434 | (unless (car login-result) |
| 435 | ;; If the login failed, then forget the credentials |
| 436 | ;; that are now possibly cached. |
| 437 | (dolist (host (list (nnoo-current-server 'nnimap) |
| 438 | nnimap-address)) |
| 439 | (dolist (port ports) |
| 440 | (dolist (element '("login" "password")) |
| 441 | (auth-source-forget-user-or-password |
| 442 | element host port)))) |
| 443 | (delete-process (nnimap-process nnimap-object)) |
| 444 | (setq nnimap-object nil)))) |
| 445 | (when nnimap-object |
| 446 | (when (nnimap-capability "QRESYNC") |
| 447 | (nnimap-command "ENABLE QRESYNC")) |
| 448 | (nnimap-process nnimap-object)))))))) |
| 449 | |
| 450 | (defun nnimap-quote-specials (string) |
| 451 | (with-temp-buffer |
| 452 | (insert string) |
| 453 | (goto-char (point-min)) |
| 454 | (while (re-search-forward "[\\\"]" nil t) |
| 455 | (forward-char -1) |
| 456 | (insert "\\") |
| 457 | (forward-char 1)) |
| 458 | (buffer-string))) |
| 459 | |
| 460 | (defun nnimap-find-parameter (parameter elems) |
| 461 | (let (result) |
| 462 | (dolist (elem elems) |
| 463 | (cond |
| 464 | ((equal (car elem) parameter) |
| 465 | (setq result (cdr elem))) |
| 466 | ((and (equal (car elem) "OK") |
| 467 | (consp (cadr elem)) |
| 468 | (equal (caadr elem) parameter)) |
| 469 | (setq result (cdr (cadr elem)))))) |
| 470 | result)) |
| 471 | |
| 472 | (deffoo nnimap-close-server (&optional server) |
| 473 | (when (nnoo-change-server 'nnimap server nil) |
| 474 | (ignore-errors |
| 475 | (delete-process (get-buffer-process (nnimap-buffer)))) |
| 476 | (nnoo-close-server 'nnimap server) |
| 477 | t)) |
| 478 | |
| 479 | (deffoo nnimap-request-close () |
| 480 | t) |
| 481 | |
| 482 | (deffoo nnimap-server-opened (&optional server) |
| 483 | (and (nnoo-current-server-p 'nnimap server) |
| 484 | nntp-server-buffer |
| 485 | (gnus-buffer-live-p nntp-server-buffer) |
| 486 | (nnimap-find-connection nntp-server-buffer))) |
| 487 | |
| 488 | (deffoo nnimap-status-message (&optional server) |
| 489 | nnimap-status-string) |
| 490 | |
| 491 | (deffoo nnimap-request-article (article &optional group server to-buffer) |
| 492 | (with-current-buffer nntp-server-buffer |
| 493 | (let ((result (nnimap-possibly-change-group group server)) |
| 494 | parts structure) |
| 495 | (when (stringp article) |
| 496 | (setq article (nnimap-find-article-by-message-id group article))) |
| 497 | (when (and result |
| 498 | article) |
| 499 | (erase-buffer) |
| 500 | (with-current-buffer (nnimap-buffer) |
| 501 | (erase-buffer) |
| 502 | (when nnimap-fetch-partial-articles |
| 503 | (nnimap-command "UID FETCH %d (BODYSTRUCTURE)" article) |
| 504 | (goto-char (point-min)) |
| 505 | (when (re-search-forward "FETCH.*BODYSTRUCTURE" nil t) |
| 506 | (setq structure (ignore-errors |
| 507 | (let ((start (point))) |
| 508 | (forward-sexp 1) |
| 509 | (downcase-region start (point)) |
| 510 | (goto-char start) |
| 511 | (read (current-buffer)))) |
| 512 | parts (nnimap-find-wanted-parts structure)))) |
| 513 | (when (if parts |
| 514 | (nnimap-get-partial-article article parts structure) |
| 515 | (nnimap-get-whole-article article)) |
| 516 | (let ((buffer (current-buffer))) |
| 517 | (with-current-buffer (or to-buffer nntp-server-buffer) |
| 518 | (erase-buffer) |
| 519 | (insert-buffer-substring buffer) |
| 520 | (nnheader-ms-strip-cr) |
| 521 | (cons group article))))))))) |
| 522 | |
| 523 | (deffoo nnimap-request-head (article &optional group server to-buffer) |
| 524 | (when (nnimap-possibly-change-group group server) |
| 525 | (with-current-buffer (nnimap-buffer) |
| 526 | (when (stringp article) |
| 527 | (setq article (nnimap-find-article-by-message-id group article))) |
| 528 | (nnimap-get-whole-article |
| 529 | article (format "UID FETCH %%d %s" |
| 530 | (nnimap-header-parameters))) |
| 531 | (let ((buffer (current-buffer))) |
| 532 | (with-current-buffer (or to-buffer nntp-server-buffer) |
| 533 | (erase-buffer) |
| 534 | (insert-buffer-substring buffer) |
| 535 | (nnheader-ms-strip-cr) |
| 536 | (cons group article)))))) |
| 537 | |
| 538 | (defun nnimap-get-whole-article (article &optional command) |
| 539 | (let ((result |
| 540 | (nnimap-command |
| 541 | (or command |
| 542 | (if (nnimap-ver4-p) |
| 543 | "UID FETCH %d BODY.PEEK[]" |
| 544 | "UID FETCH %d RFC822.PEEK")) |
| 545 | article))) |
| 546 | ;; Check that we really got an article. |
| 547 | (goto-char (point-min)) |
| 548 | (unless (re-search-forward "\\* [0-9]+ FETCH" nil t) |
| 549 | (setq result nil)) |
| 550 | (when result |
| 551 | ;; Remove any data that may have arrived before the FETCH data. |
| 552 | (beginning-of-line) |
| 553 | (unless (bobp) |
| 554 | (delete-region (point-min) (point))) |
| 555 | (let ((bytes (nnimap-get-length))) |
| 556 | (delete-region (line-beginning-position) |
| 557 | (progn (forward-line 1) (point))) |
| 558 | (goto-char (+ (point) bytes)) |
| 559 | (delete-region (point) (point-max))) |
| 560 | t))) |
| 561 | |
| 562 | (defun nnimap-capability (capability) |
| 563 | (member capability (nnimap-capabilities nnimap-object))) |
| 564 | |
| 565 | (defun nnimap-ver4-p () |
| 566 | (nnimap-capability "IMAP4REV1")) |
| 567 | |
| 568 | (defun nnimap-get-partial-article (article parts structure) |
| 569 | (let ((result |
| 570 | (nnimap-command |
| 571 | "UID FETCH %d (%s %s)" |
| 572 | article |
| 573 | (if (nnimap-ver4-p) |
| 574 | "BODY.PEEK[HEADER]" |
| 575 | "RFC822.HEADER") |
| 576 | (if (nnimap-ver4-p) |
| 577 | (mapconcat (lambda (part) |
| 578 | (format "BODY.PEEK[%s]" part)) |
| 579 | parts " ") |
| 580 | (mapconcat (lambda (part) |
| 581 | (format "RFC822.PEEK[%s]" part)) |
| 582 | parts " "))))) |
| 583 | (when result |
| 584 | (nnimap-convert-partial-article structure)))) |
| 585 | |
| 586 | (defun nnimap-convert-partial-article (structure) |
| 587 | ;; First just skip past the headers. |
| 588 | (goto-char (point-min)) |
| 589 | (let ((bytes (nnimap-get-length)) |
| 590 | id parts) |
| 591 | ;; Delete "FETCH" line. |
| 592 | (delete-region (line-beginning-position) |
| 593 | (progn (forward-line 1) (point))) |
| 594 | (goto-char (+ (point) bytes)) |
| 595 | ;; Collect all the body parts. |
| 596 | (while (looking-at ".*BODY\\[\\([.0-9]+\\)\\]") |
| 597 | (setq id (match-string 1) |
| 598 | bytes (nnimap-get-length)) |
| 599 | (beginning-of-line) |
| 600 | (delete-region (point) (progn (forward-line 1) (point))) |
| 601 | (push (list id (buffer-substring (point) (+ (point) bytes))) |
| 602 | parts) |
| 603 | (delete-region (point) (+ (point) bytes))) |
| 604 | ;; Delete trailing junk. |
| 605 | (delete-region (point) (point-max)) |
| 606 | ;; Now insert all the parts again where they fit in the structure. |
| 607 | (nnimap-insert-partial-structure structure parts) |
| 608 | t)) |
| 609 | |
| 610 | (defun nnimap-insert-partial-structure (structure parts &optional subp) |
| 611 | (let (type boundary) |
| 612 | (let ((bstruc structure)) |
| 613 | (while (consp (car bstruc)) |
| 614 | (pop bstruc)) |
| 615 | (setq type (car bstruc)) |
| 616 | (setq bstruc (car (cdr bstruc))) |
| 617 | (let ((has-boundary (member "boundary" bstruc))) |
| 618 | (when has-boundary |
| 619 | (setq boundary (cadr has-boundary))))) |
| 620 | (when subp |
| 621 | (insert (format "Content-type: multipart/%s; boundary=%S\n\n" |
| 622 | (downcase type) boundary))) |
| 623 | (while (not (stringp (car structure))) |
| 624 | (insert "\n--" boundary "\n") |
| 625 | (if (consp (caar structure)) |
| 626 | (nnimap-insert-partial-structure (pop structure) parts t) |
| 627 | (let ((bit (pop structure))) |
| 628 | (insert (format "Content-type: %s/%s" |
| 629 | (downcase (nth 0 bit)) |
| 630 | (downcase (nth 1 bit)))) |
| 631 | (if (member "CHARSET" (nth 2 bit)) |
| 632 | (insert (format |
| 633 | "; charset=%S\n" (cadr (member "CHARSET" (nth 2 bit))))) |
| 634 | (insert "\n")) |
| 635 | (insert (format "Content-transfer-encoding: %s\n" |
| 636 | (nth 5 bit))) |
| 637 | (insert "\n") |
| 638 | (when (assoc (nth 9 bit) parts) |
| 639 | (insert (cadr (assoc (nth 9 bit) parts))))))) |
| 640 | (insert "\n--" boundary "--\n"))) |
| 641 | |
| 642 | (defun nnimap-find-wanted-parts (structure) |
| 643 | (message-flatten-list (nnimap-find-wanted-parts-1 structure ""))) |
| 644 | |
| 645 | (defun nnimap-find-wanted-parts-1 (structure prefix) |
| 646 | (let ((num 1) |
| 647 | parts) |
| 648 | (while (consp (car structure)) |
| 649 | (let ((sub (pop structure))) |
| 650 | (if (consp (car sub)) |
| 651 | (push (nnimap-find-wanted-parts-1 |
| 652 | sub (if (string= prefix "") |
| 653 | (number-to-string num) |
| 654 | (format "%s.%s" prefix num))) |
| 655 | parts) |
| 656 | (let ((type (format "%s/%s" (nth 0 sub) (nth 1 sub))) |
| 657 | (id (if (string= prefix "") |
| 658 | (number-to-string num) |
| 659 | (format "%s.%s" prefix num)))) |
| 660 | (setcar (nthcdr 9 sub) id) |
| 661 | (when (if (eq nnimap-fetch-partial-articles t) |
| 662 | (equal id "1") |
| 663 | (string-match nnimap-fetch-partial-articles type)) |
| 664 | (push id parts)))) |
| 665 | (incf num))) |
| 666 | (nreverse parts))) |
| 667 | |
| 668 | (deffoo nnimap-request-group (group &optional server dont-check info) |
| 669 | (let ((result (nnimap-possibly-change-group |
| 670 | ;; Don't SELECT the group if we're going to select it |
| 671 | ;; later, anyway. |
| 672 | (if dont-check |
| 673 | nil |
| 674 | group) |
| 675 | server)) |
| 676 | articles active marks high low) |
| 677 | (with-current-buffer nntp-server-buffer |
| 678 | (when result |
| 679 | (if (and dont-check |
| 680 | (setq active (nth 2 (assoc group nnimap-current-infos)))) |
| 681 | (insert (format "211 %d %d %d %S\n" |
| 682 | (- (cdr active) (car active)) |
| 683 | (car active) |
| 684 | (cdr active) |
| 685 | group)) |
| 686 | (with-current-buffer (nnimap-buffer) |
| 687 | (erase-buffer) |
| 688 | (let ((group-sequence |
| 689 | (nnimap-send-command "SELECT %S" (utf7-encode group t))) |
| 690 | (flag-sequence |
| 691 | (nnimap-send-command "UID FETCH 1:* FLAGS"))) |
| 692 | (setf (nnimap-group nnimap-object) group) |
| 693 | (nnimap-wait-for-response flag-sequence) |
| 694 | (setq marks |
| 695 | (nnimap-flags-to-marks |
| 696 | (nnimap-parse-flags |
| 697 | (list (list group-sequence flag-sequence |
| 698 | 1 group "SELECT"))))) |
| 699 | (when (and info |
| 700 | marks) |
| 701 | (nnimap-update-infos marks (list info))) |
| 702 | (goto-char (point-max)) |
| 703 | (let ((uidnext (nth 5 (car marks)))) |
| 704 | (setq high (or (if uidnext |
| 705 | (1- uidnext) |
| 706 | (nth 3 (car marks))) |
| 707 | 0) |
| 708 | low (or (nth 4 (car marks)) uidnext 1))))) |
| 709 | (erase-buffer) |
| 710 | (insert |
| 711 | (format |
| 712 | "211 %d %d %d %S\n" (1+ (- high low)) low high group))) |
| 713 | t)))) |
| 714 | |
| 715 | (deffoo nnimap-request-create-group (group &optional server args) |
| 716 | (when (nnimap-possibly-change-group nil server) |
| 717 | (with-current-buffer (nnimap-buffer) |
| 718 | (car (nnimap-command "CREATE %S" (utf7-encode group t)))))) |
| 719 | |
| 720 | (deffoo nnimap-request-delete-group (group &optional force server) |
| 721 | (when (nnimap-possibly-change-group nil server) |
| 722 | (with-current-buffer (nnimap-buffer) |
| 723 | (car (nnimap-command "DELETE %S" (utf7-encode group t)))))) |
| 724 | |
| 725 | (deffoo nnimap-request-rename-group (group new-name &optional server) |
| 726 | (when (nnimap-possibly-change-group nil server) |
| 727 | (with-current-buffer (nnimap-buffer) |
| 728 | ;; Make sure we don't have this group open read/write by asking |
| 729 | ;; to examine a mailbox that doesn't exist. This seems to be |
| 730 | ;; the only way that allows us to reliably go back to unselected |
| 731 | ;; state on Courier. |
| 732 | (nnimap-command "EXAMINE DOES.NOT.EXIST") |
| 733 | (setf (nnimap-group nnimap-object) nil) |
| 734 | (car (nnimap-command "RENAME %S %S" |
| 735 | (utf7-encode group t) (utf7-encode new-name t)))))) |
| 736 | |
| 737 | (deffoo nnimap-request-expunge-group (group &optional server) |
| 738 | (when (nnimap-possibly-change-group group server) |
| 739 | (with-current-buffer (nnimap-buffer) |
| 740 | (car (nnimap-command "EXPUNGE"))))) |
| 741 | |
| 742 | (defun nnimap-get-flags (spec) |
| 743 | (let ((articles nil) |
| 744 | elems end) |
| 745 | (with-current-buffer (nnimap-buffer) |
| 746 | (erase-buffer) |
| 747 | (nnimap-wait-for-response (nnimap-send-command |
| 748 | "UID FETCH %s FLAGS" spec)) |
| 749 | (setq end (point)) |
| 750 | (subst-char-in-region (point-min) (point-max) |
| 751 | ?\\ ?% t) |
| 752 | (goto-char (point-min)) |
| 753 | (while (search-forward " FETCH " end t) |
| 754 | (setq elems (read (current-buffer))) |
| 755 | (push (cons (cadr (memq 'UID elems)) |
| 756 | (cadr (memq 'FLAGS elems))) |
| 757 | articles))) |
| 758 | (nreverse articles))) |
| 759 | |
| 760 | (deffoo nnimap-close-group (group &optional server) |
| 761 | t) |
| 762 | |
| 763 | (deffoo nnimap-request-move-article (article group server accept-form |
| 764 | &optional last internal-move-group) |
| 765 | (with-temp-buffer |
| 766 | (mm-disable-multibyte) |
| 767 | (when (funcall (if internal-move-group |
| 768 | 'nnimap-request-head |
| 769 | 'nnimap-request-article) |
| 770 | article group server (current-buffer)) |
| 771 | ;; If the move is internal (on the same server), just do it the easy |
| 772 | ;; way. |
| 773 | (let ((message-id (message-field-value "message-id"))) |
| 774 | (if internal-move-group |
| 775 | (let ((result |
| 776 | (with-current-buffer (nnimap-buffer) |
| 777 | (nnimap-command "UID COPY %d %S" |
| 778 | article |
| 779 | (utf7-encode internal-move-group t))))) |
| 780 | (when (car result) |
| 781 | (nnimap-delete-article article) |
| 782 | (cons internal-move-group |
| 783 | (nnimap-find-article-by-message-id |
| 784 | internal-move-group message-id)))) |
| 785 | ;; Move the article to a different method. |
| 786 | (let ((result (eval accept-form))) |
| 787 | (when result |
| 788 | (nnimap-delete-article article) |
| 789 | result))))))) |
| 790 | |
| 791 | (deffoo nnimap-request-expire-articles (articles group &optional server force) |
| 792 | (cond |
| 793 | ((null articles) |
| 794 | nil) |
| 795 | ((not (nnimap-possibly-change-group group server)) |
| 796 | articles) |
| 797 | ((and force |
| 798 | (eq nnmail-expiry-target 'delete)) |
| 799 | (unless (nnimap-delete-article (gnus-compress-sequence articles)) |
| 800 | (nnheader-message 7 "Article marked for deletion, but not expunged.")) |
| 801 | nil) |
| 802 | (t |
| 803 | (let ((deletable-articles |
| 804 | (if (or force |
| 805 | (eq nnmail-expiry-wait 'immediate)) |
| 806 | articles |
| 807 | (gnus-sorted-intersection |
| 808 | articles |
| 809 | (nnimap-find-expired-articles group))))) |
| 810 | (if (null deletable-articles) |
| 811 | articles |
| 812 | (if (eq nnmail-expiry-target 'delete) |
| 813 | (nnimap-delete-article (gnus-compress-sequence deletable-articles)) |
| 814 | (setq deletable-articles |
| 815 | (nnimap-process-expiry-targets |
| 816 | deletable-articles group server))) |
| 817 | ;; Return the articles we didn't delete. |
| 818 | (gnus-sorted-complement articles deletable-articles)))))) |
| 819 | |
| 820 | (defun nnimap-process-expiry-targets (articles group server) |
| 821 | (let ((deleted-articles nil)) |
| 822 | (dolist (article articles) |
| 823 | (let ((target nnmail-expiry-target)) |
| 824 | (with-temp-buffer |
| 825 | (mm-disable-multibyte) |
| 826 | (when (nnimap-request-article article group server (current-buffer)) |
| 827 | (nnheader-message 7 "Expiring article %s:%d" group article) |
| 828 | (when (functionp target) |
| 829 | (setq target (funcall target group))) |
| 830 | (when (and target |
| 831 | (not (eq target 'delete))) |
| 832 | (if (or (gnus-request-group target t) |
| 833 | (gnus-request-create-group target)) |
| 834 | (nnmail-expiry-target-group target group) |
| 835 | (setq target nil))) |
| 836 | (when target |
| 837 | (push article deleted-articles)))))) |
| 838 | ;; Change back to the current group again. |
| 839 | (nnimap-possibly-change-group group server) |
| 840 | (setq deleted-articles (nreverse deleted-articles)) |
| 841 | (nnimap-delete-article (gnus-compress-sequence deleted-articles)) |
| 842 | deleted-articles)) |
| 843 | |
| 844 | (defun nnimap-find-expired-articles (group) |
| 845 | (let ((cutoff (nnmail-expired-article-p group nil nil))) |
| 846 | (with-current-buffer (nnimap-buffer) |
| 847 | (let ((result |
| 848 | (nnimap-command |
| 849 | "UID SEARCH SENTBEFORE %s" |
| 850 | (format-time-string |
| 851 | (format "%%d-%s-%%Y" |
| 852 | (upcase |
| 853 | (car (rassoc (nth 4 (decode-time cutoff)) |
| 854 | parse-time-months)))) |
| 855 | cutoff)))) |
| 856 | (and (car result) |
| 857 | (delete 0 (mapcar #'string-to-number |
| 858 | (cdr (assoc "SEARCH" (cdr result)))))))))) |
| 859 | |
| 860 | |
| 861 | (defun nnimap-find-article-by-message-id (group message-id) |
| 862 | (with-current-buffer (nnimap-buffer) |
| 863 | (erase-buffer) |
| 864 | (setf (nnimap-group nnimap-object) nil) |
| 865 | (nnimap-send-command "EXAMINE %S" (utf7-encode group t)) |
| 866 | (let ((sequence |
| 867 | (nnimap-send-command "UID SEARCH HEADER Message-Id %S" message-id)) |
| 868 | article result) |
| 869 | (setq result (nnimap-wait-for-response sequence)) |
| 870 | (when (and result |
| 871 | (car (setq result (nnimap-parse-response)))) |
| 872 | ;; Select the last instance of the message in the group. |
| 873 | (and (setq article |
| 874 | (car (last (assoc "SEARCH" (cdr result))))) |
| 875 | (string-to-number article)))))) |
| 876 | |
| 877 | (defun nnimap-delete-article (articles) |
| 878 | (with-current-buffer (nnimap-buffer) |
| 879 | (nnimap-command "UID STORE %s +FLAGS.SILENT (\\Deleted)" |
| 880 | (nnimap-article-ranges articles)) |
| 881 | (cond |
| 882 | ((nnimap-capability "UIDPLUS") |
| 883 | (nnimap-command "UID EXPUNGE %s" |
| 884 | (nnimap-article-ranges articles)) |
| 885 | t) |
| 886 | (nnimap-expunge |
| 887 | (nnimap-command "EXPUNGE") |
| 888 | t) |
| 889 | (t (gnus-message 7 (concat "nnimap: nnimap-expunge is not set and the " |
| 890 | "server doesn't support UIDPLUS, so we won't " |
| 891 | "delete this article now")))))) |
| 892 | |
| 893 | (deffoo nnimap-request-scan (&optional group server) |
| 894 | (when (and (nnimap-possibly-change-group nil server) |
| 895 | nnimap-inbox |
| 896 | nnimap-split-methods) |
| 897 | (nnheader-message 7 "nnimap %s splitting mail..." server) |
| 898 | (nnimap-split-incoming-mail))) |
| 899 | |
| 900 | (defun nnimap-marks-to-flags (marks) |
| 901 | (let (flags flag) |
| 902 | (dolist (mark marks) |
| 903 | (when (setq flag (cadr (assq mark nnimap-mark-alist))) |
| 904 | (push flag flags))) |
| 905 | flags)) |
| 906 | |
| 907 | (deffoo nnimap-request-set-mark (group actions &optional server) |
| 908 | (when (nnimap-possibly-change-group group server) |
| 909 | (let (sequence) |
| 910 | (with-current-buffer (nnimap-buffer) |
| 911 | (erase-buffer) |
| 912 | ;; Just send all the STORE commands without waiting for |
| 913 | ;; response. If they're successful, they're successful. |
| 914 | (dolist (action actions) |
| 915 | (destructuring-bind (range action marks) action |
| 916 | (let ((flags (nnimap-marks-to-flags marks))) |
| 917 | (when flags |
| 918 | (setq sequence (nnimap-send-command |
| 919 | "UID STORE %s %sFLAGS.SILENT (%s)" |
| 920 | (nnimap-article-ranges range) |
| 921 | (if (eq action 'del) |
| 922 | "-" |
| 923 | "+") |
| 924 | (mapconcat #'identity flags " "))))))) |
| 925 | ;; Wait for the last command to complete to avoid later |
| 926 | ;; syncronisation problems with the stream. |
| 927 | (when sequence |
| 928 | (nnimap-wait-for-response sequence)))))) |
| 929 | |
| 930 | (deffoo nnimap-request-accept-article (group &optional server last) |
| 931 | (when (nnimap-possibly-change-group nil server) |
| 932 | (nnmail-check-syntax) |
| 933 | (let ((message-id (message-field-value "message-id")) |
| 934 | sequence message) |
| 935 | (nnimap-add-cr) |
| 936 | (setq message (buffer-substring-no-properties (point-min) (point-max))) |
| 937 | (with-current-buffer (nnimap-buffer) |
| 938 | (erase-buffer) |
| 939 | (setq sequence (nnimap-send-command |
| 940 | "APPEND %S {%d}" (utf7-encode group t) |
| 941 | (length message))) |
| 942 | (unless nnimap-streaming |
| 943 | (nnimap-wait-for-connection "^[+]")) |
| 944 | (process-send-string (get-buffer-process (current-buffer)) message) |
| 945 | (process-send-string (get-buffer-process (current-buffer)) |
| 946 | (if (nnimap-newlinep nnimap-object) |
| 947 | "\n" |
| 948 | "\r\n")) |
| 949 | (let ((result (nnimap-get-response sequence))) |
| 950 | (if (not (car result)) |
| 951 | (progn |
| 952 | (nnheader-message 7 "%s" (nnheader-get-report-string 'nnimap)) |
| 953 | nil) |
| 954 | (cons group |
| 955 | (nnimap-find-article-by-message-id group message-id)))))))) |
| 956 | |
| 957 | (deffoo nnimap-request-replace-article (article group buffer) |
| 958 | (let (group-art) |
| 959 | (when (and (nnimap-possibly-change-group group nil) |
| 960 | ;; Put the article into the group. |
| 961 | (with-current-buffer buffer |
| 962 | (setq group-art |
| 963 | (nnimap-request-accept-article group nil t)))) |
| 964 | (nnimap-delete-article (list article)) |
| 965 | ;; Return the new article number. |
| 966 | (cdr group-art)))) |
| 967 | |
| 968 | (defun nnimap-add-cr () |
| 969 | (goto-char (point-min)) |
| 970 | (while (re-search-forward "\r?\n" nil t) |
| 971 | (replace-match "\r\n" t t))) |
| 972 | |
| 973 | (defun nnimap-get-groups () |
| 974 | (let ((result (nnimap-command "LIST \"\" \"*\"")) |
| 975 | groups) |
| 976 | (when (car result) |
| 977 | (dolist (line (cdr result)) |
| 978 | (when (and (equal (car line) "LIST") |
| 979 | (not (and (caadr line) |
| 980 | (string-match "noselect" (caadr line))))) |
| 981 | (push (car (last line)) groups))) |
| 982 | (nreverse groups)))) |
| 983 | |
| 984 | (deffoo nnimap-request-list (&optional server) |
| 985 | (nnimap-possibly-change-group nil server) |
| 986 | (with-current-buffer nntp-server-buffer |
| 987 | (erase-buffer) |
| 988 | (let ((groups |
| 989 | (with-current-buffer (nnimap-buffer) |
| 990 | (nnimap-get-groups))) |
| 991 | sequences responses) |
| 992 | (when groups |
| 993 | (with-current-buffer (nnimap-buffer) |
| 994 | (setf (nnimap-group nnimap-object) nil) |
| 995 | (dolist (group groups) |
| 996 | (push (list (nnimap-send-command "EXAMINE %S" (utf7-encode group t)) |
| 997 | group) |
| 998 | sequences)) |
| 999 | (nnimap-wait-for-response (caar sequences)) |
| 1000 | (setq responses |
| 1001 | (nnimap-get-responses (mapcar #'car sequences)))) |
| 1002 | (dolist (response responses) |
| 1003 | (let* ((sequence (car response)) |
| 1004 | (response (cadr response)) |
| 1005 | (group (cadr (assoc sequence sequences)))) |
| 1006 | (when (and group |
| 1007 | (equal (caar response) "OK")) |
| 1008 | (let ((uidnext (nnimap-find-parameter "UIDNEXT" response)) |
| 1009 | highest exists) |
| 1010 | (dolist (elem response) |
| 1011 | (when (equal (cadr elem) "EXISTS") |
| 1012 | (setq exists (string-to-number (car elem))))) |
| 1013 | (when uidnext |
| 1014 | (setq highest (1- (string-to-number (car uidnext))))) |
| 1015 | (cond |
| 1016 | ((null highest) |
| 1017 | (insert (format "%S 0 1 y\n" (utf7-decode group t)))) |
| 1018 | ((zerop exists) |
| 1019 | ;; Empty group. |
| 1020 | (insert (format "%S %d %d y\n" |
| 1021 | (utf7-decode group t) highest (1+ highest)))) |
| 1022 | (t |
| 1023 | ;; Return the widest possible range. |
| 1024 | (insert (format "%S %d 1 y\n" (utf7-decode group t) |
| 1025 | (or highest exists))))))))) |
| 1026 | t)))) |
| 1027 | |
| 1028 | (deffoo nnimap-request-newgroups (date &optional server) |
| 1029 | (nnimap-possibly-change-group nil server) |
| 1030 | (with-current-buffer nntp-server-buffer |
| 1031 | (erase-buffer) |
| 1032 | (dolist (group (with-current-buffer (nnimap-buffer) |
| 1033 | (nnimap-get-groups))) |
| 1034 | (unless (assoc group nnimap-current-infos) |
| 1035 | ;; Insert dummy numbers here -- they don't matter. |
| 1036 | (insert (format "%S 0 1 y\n" group)))) |
| 1037 | t)) |
| 1038 | |
| 1039 | (deffoo nnimap-retrieve-group-data-early (server infos) |
| 1040 | (when (nnimap-possibly-change-group nil server) |
| 1041 | (with-current-buffer (nnimap-buffer) |
| 1042 | (erase-buffer) |
| 1043 | (setf (nnimap-group nnimap-object) nil) |
| 1044 | (let ((qresyncp (nnimap-capability "QRESYNC")) |
| 1045 | params groups sequences active uidvalidity modseq group) |
| 1046 | ;; Go through the infos and gather the data needed to know |
| 1047 | ;; what and how to request the data. |
| 1048 | (dolist (info infos) |
| 1049 | (setq params (gnus-info-params info) |
| 1050 | group (gnus-group-real-name (gnus-info-group info)) |
| 1051 | active (cdr (assq 'active params)) |
| 1052 | uidvalidity (cdr (assq 'uidvalidity params)) |
| 1053 | modseq (cdr (assq 'modseq params))) |
| 1054 | (if (and qresyncp |
| 1055 | uidvalidity |
| 1056 | modseq) |
| 1057 | (push |
| 1058 | (list (nnimap-send-command "EXAMINE %S (QRESYNC (%s %s))" |
| 1059 | (utf7-encode group t) |
| 1060 | uidvalidity modseq) |
| 1061 | 'qresync |
| 1062 | nil group 'qresync) |
| 1063 | sequences) |
| 1064 | (let ((start |
| 1065 | (if (and active uidvalidity) |
| 1066 | ;; Fetch the last 100 flags. |
| 1067 | (max 1 (- (cdr active) 100)) |
| 1068 | 1)) |
| 1069 | (command |
| 1070 | (if uidvalidity |
| 1071 | "EXAMINE" |
| 1072 | ;; If we don't have a UIDVALIDITY, then this is |
| 1073 | ;; the first time we've seen the group, so we |
| 1074 | ;; have to do a SELECT (which is slower than an |
| 1075 | ;; examine), but will tell us whether the group |
| 1076 | ;; is read-only or not. |
| 1077 | "SELECT"))) |
| 1078 | (push (list (nnimap-send-command "%s %S" command |
| 1079 | (utf7-encode group t)) |
| 1080 | (nnimap-send-command "UID FETCH %d:* FLAGS" start) |
| 1081 | start group command) |
| 1082 | sequences)))) |
| 1083 | sequences)))) |
| 1084 | |
| 1085 | (deffoo nnimap-finish-retrieve-group-infos (server infos sequences) |
| 1086 | (when (and sequences |
| 1087 | (nnimap-possibly-change-group nil server)) |
| 1088 | (with-current-buffer (nnimap-buffer) |
| 1089 | ;; Wait for the final data to trickle in. |
| 1090 | (when (nnimap-wait-for-response (if (eq (cadar sequences) 'qresync) |
| 1091 | (caar sequences) |
| 1092 | (cadar sequences)) |
| 1093 | t) |
| 1094 | ;; Now we should have most of the data we need, no matter |
| 1095 | ;; whether we're QRESYNCING, fetching all the flags from |
| 1096 | ;; scratch, or just fetching the last 100 flags per group. |
| 1097 | (nnimap-update-infos (nnimap-flags-to-marks |
| 1098 | (nnimap-parse-flags |
| 1099 | (nreverse sequences))) |
| 1100 | infos) |
| 1101 | ;; Finally, just return something resembling an active file in |
| 1102 | ;; the nntp buffer, so that the agent can save the info, too. |
| 1103 | (with-current-buffer nntp-server-buffer |
| 1104 | (erase-buffer) |
| 1105 | (dolist (info infos) |
| 1106 | (let* ((group (gnus-info-group info)) |
| 1107 | (active (gnus-active group))) |
| 1108 | (when active |
| 1109 | (insert (format "%S %d %d y\n" |
| 1110 | (gnus-group-real-name group) |
| 1111 | (cdr active) |
| 1112 | (car active))))))))))) |
| 1113 | |
| 1114 | (defun nnimap-update-infos (flags infos) |
| 1115 | (dolist (info infos) |
| 1116 | (let* ((group (gnus-group-real-name (gnus-info-group info))) |
| 1117 | (marks (cdr (assoc group flags)))) |
| 1118 | (when marks |
| 1119 | (nnimap-update-info info marks))))) |
| 1120 | |
| 1121 | (defun nnimap-update-info (info marks) |
| 1122 | (destructuring-bind (existing flags high low uidnext start-article |
| 1123 | permanent-flags uidvalidity |
| 1124 | vanished highestmodseq) marks |
| 1125 | (cond |
| 1126 | ;; Ignore groups with no UIDNEXT/marks. This happens for |
| 1127 | ;; completely empty groups. |
| 1128 | ((and (not existing) |
| 1129 | (not uidnext)) |
| 1130 | (let ((active (cdr (assq 'active (gnus-info-params info))))) |
| 1131 | (when active |
| 1132 | (gnus-set-active (gnus-info-group info) active)))) |
| 1133 | ;; We have a mismatch between the old and new UIDVALIDITY |
| 1134 | ;; identifiers, so we have to re-request the group info (the next |
| 1135 | ;; time). This virtually never happens. |
| 1136 | ((let ((old-uidvalidity |
| 1137 | (cdr (assq 'uidvalidity (gnus-info-params info))))) |
| 1138 | (and old-uidvalidity |
| 1139 | (not (equal old-uidvalidity uidvalidity)) |
| 1140 | (> start-article 1))) |
| 1141 | (gnus-group-remove-parameter info 'uidvalidity) |
| 1142 | (gnus-group-remove-parameter info 'modseq)) |
| 1143 | ;; We have the data needed to update. |
| 1144 | (t |
| 1145 | (let* ((group (gnus-info-group info)) |
| 1146 | (completep (and start-article |
| 1147 | (= start-article 1))) |
| 1148 | (active (or (gnus-active group) |
| 1149 | (cdr (assq 'active (gnus-info-params info)))))) |
| 1150 | (when uidnext |
| 1151 | (setq high (1- uidnext))) |
| 1152 | ;; First set the active ranges based on high/low. |
| 1153 | (if (or completep |
| 1154 | (not (gnus-active group))) |
| 1155 | (gnus-set-active group |
| 1156 | (cond |
| 1157 | ((and low high) |
| 1158 | (cons low high)) |
| 1159 | (uidnext |
| 1160 | ;; No articles in this group. |
| 1161 | (cons uidnext (1- uidnext))) |
| 1162 | (active |
| 1163 | active) |
| 1164 | (start-article |
| 1165 | (cons start-article (1- start-article))) |
| 1166 | (t |
| 1167 | ;; No articles and no uidnext. |
| 1168 | nil))) |
| 1169 | (gnus-set-active |
| 1170 | group |
| 1171 | (cons (car active) |
| 1172 | (or high (1- uidnext))))) |
| 1173 | ;; See whether this is a read-only group. |
| 1174 | (unless (eq permanent-flags 'not-scanned) |
| 1175 | (gnus-group-set-parameter |
| 1176 | info 'permanent-flags |
| 1177 | (and (or (memq '%* permanent-flags) |
| 1178 | (memq '%Seen permanent-flags)) |
| 1179 | permanent-flags))) |
| 1180 | ;; Update marks and read articles if this isn't a |
| 1181 | ;; read-only IMAP group. |
| 1182 | (when (setq permanent-flags |
| 1183 | (cdr (assq 'permanent-flags (gnus-info-params info)))) |
| 1184 | (if (and highestmodseq |
| 1185 | (not start-article)) |
| 1186 | ;; We've gotten the data by QRESYNCing. |
| 1187 | (nnimap-update-qresync-info |
| 1188 | info existing (nnimap-imap-ranges-to-gnus-ranges vanished) flags) |
| 1189 | ;; Do normal non-QRESYNC flag updates. |
| 1190 | ;; Update the list of read articles. |
| 1191 | (let* ((unread |
| 1192 | (gnus-compress-sequence |
| 1193 | (gnus-set-difference |
| 1194 | (gnus-set-difference |
| 1195 | existing |
| 1196 | (cdr (assoc '%Seen flags))) |
| 1197 | (cdr (assoc '%Flagged flags))))) |
| 1198 | (read (gnus-range-difference |
| 1199 | (cons start-article high) unread))) |
| 1200 | (when (> start-article 1) |
| 1201 | (setq read |
| 1202 | (gnus-range-nconcat |
| 1203 | (if (> start-article 1) |
| 1204 | (gnus-sorted-range-intersection |
| 1205 | (cons 1 (1- start-article)) |
| 1206 | (gnus-info-read info)) |
| 1207 | (gnus-info-read info)) |
| 1208 | read))) |
| 1209 | (when (or (not (listp permanent-flags)) |
| 1210 | (memq '%Seen permanent-flags)) |
| 1211 | (gnus-info-set-read info read)) |
| 1212 | ;; Update the marks. |
| 1213 | (setq marks (gnus-info-marks info)) |
| 1214 | (dolist (type (cdr nnimap-mark-alist)) |
| 1215 | (when (or (not (listp permanent-flags)) |
| 1216 | (memq (car (assoc (caddr type) flags)) |
| 1217 | permanent-flags) |
| 1218 | (memq '%* permanent-flags)) |
| 1219 | (let ((old-marks (assoc (car type) marks)) |
| 1220 | (new-marks |
| 1221 | (gnus-compress-sequence |
| 1222 | (cdr (or (assoc (caddr type) flags) ; %Flagged |
| 1223 | (assoc (intern (cadr type) obarray) flags) |
| 1224 | (assoc (cadr type) flags)))))) ; "\Flagged" |
| 1225 | (setq marks (delq old-marks marks)) |
| 1226 | (pop old-marks) |
| 1227 | (when (and old-marks |
| 1228 | (> start-article 1)) |
| 1229 | (setq old-marks (gnus-range-difference |
| 1230 | old-marks |
| 1231 | (cons start-article high))) |
| 1232 | (setq new-marks (gnus-range-nconcat old-marks new-marks))) |
| 1233 | (when new-marks |
| 1234 | (push (cons (car type) new-marks) marks))))) |
| 1235 | (gnus-info-set-marks info marks t)))) |
| 1236 | ;; Note the active level for the next run-through. |
| 1237 | (gnus-group-set-parameter info 'active (gnus-active group)) |
| 1238 | (gnus-group-set-parameter info 'uidvalidity uidvalidity) |
| 1239 | (gnus-group-set-parameter info 'modseq highestmodseq) |
| 1240 | (nnimap-store-info info (gnus-active group))))))) |
| 1241 | |
| 1242 | (defun nnimap-update-qresync-info (info existing vanished flags) |
| 1243 | ;; Add all the vanished articles to the list of read articles. |
| 1244 | (gnus-info-set-read |
| 1245 | info |
| 1246 | (gnus-add-to-range |
| 1247 | (gnus-add-to-range |
| 1248 | (gnus-range-add (gnus-info-read info) |
| 1249 | vanished) |
| 1250 | (cdr (assq '%Flagged flags))) |
| 1251 | (cdr (assq '%Seen flags)))) |
| 1252 | (let ((marks (gnus-info-marks info))) |
| 1253 | (dolist (type (cdr nnimap-mark-alist)) |
| 1254 | (let ((ticks (assoc (car type) marks)) |
| 1255 | (new-marks |
| 1256 | (cdr (or (assoc (caddr type) flags) ; %Flagged |
| 1257 | (assoc (intern (cadr type) obarray) flags) |
| 1258 | (assoc (cadr type) flags))))) ; "\Flagged" |
| 1259 | (setq marks (delq ticks marks)) |
| 1260 | (pop ticks) |
| 1261 | ;; Add the new marks we got. |
| 1262 | (setq ticks (gnus-add-to-range ticks new-marks)) |
| 1263 | ;; Remove the marks from messages that don't have them. |
| 1264 | (setq ticks (gnus-remove-from-range |
| 1265 | ticks |
| 1266 | (gnus-compress-sequence |
| 1267 | (gnus-sorted-complement existing new-marks)))) |
| 1268 | (when ticks |
| 1269 | (push (cons (car type) ticks) marks))) |
| 1270 | (gnus-info-set-marks info marks t)))) |
| 1271 | |
| 1272 | (defun nnimap-imap-ranges-to-gnus-ranges (irange) |
| 1273 | (if (zerop (length irange)) |
| 1274 | nil |
| 1275 | (let ((result nil)) |
| 1276 | (dolist (elem (split-string irange ",")) |
| 1277 | (push |
| 1278 | (if (string-match ":" elem) |
| 1279 | (let ((numbers (split-string elem ":"))) |
| 1280 | (cons (string-to-number (car numbers)) |
| 1281 | (string-to-number (cadr numbers)))) |
| 1282 | (string-to-number elem)) |
| 1283 | result)) |
| 1284 | (nreverse result)))) |
| 1285 | |
| 1286 | (defun nnimap-store-info (info active) |
| 1287 | (let* ((group (gnus-group-real-name (gnus-info-group info))) |
| 1288 | (entry (assoc group nnimap-current-infos))) |
| 1289 | (if entry |
| 1290 | (setcdr entry (list info active)) |
| 1291 | (push (list group info active) nnimap-current-infos)))) |
| 1292 | |
| 1293 | (defun nnimap-flags-to-marks (groups) |
| 1294 | (let (data group totalp uidnext articles start-article mark permanent-flags |
| 1295 | uidvalidity vanished highestmodseq) |
| 1296 | (dolist (elem groups) |
| 1297 | (setq group (car elem) |
| 1298 | uidnext (nth 1 elem) |
| 1299 | start-article (nth 2 elem) |
| 1300 | permanent-flags (nth 3 elem) |
| 1301 | uidvalidity (nth 4 elem) |
| 1302 | vanished (nth 5 elem) |
| 1303 | highestmodseq (nth 6 elem) |
| 1304 | articles (nthcdr 7 elem)) |
| 1305 | (let ((high (caar articles)) |
| 1306 | marks low existing) |
| 1307 | (dolist (article articles) |
| 1308 | (setq low (car article)) |
| 1309 | (push (car article) existing) |
| 1310 | (dolist (flag (cdr article)) |
| 1311 | (setq mark (assoc flag marks)) |
| 1312 | (if (not mark) |
| 1313 | (push (list flag (car article)) marks) |
| 1314 | (setcdr mark (cons (car article) (cdr mark)))))) |
| 1315 | (push (list group existing marks high low uidnext start-article |
| 1316 | permanent-flags uidvalidity vanished highestmodseq) |
| 1317 | data))) |
| 1318 | data)) |
| 1319 | |
| 1320 | (defun nnimap-parse-flags (sequences) |
| 1321 | (goto-char (point-min)) |
| 1322 | ;; Change \Delete etc to %Delete, so that the reader can read it. |
| 1323 | (subst-char-in-region (point-min) (point-max) |
| 1324 | ?\\ ?% t) |
| 1325 | (let (start end articles groups uidnext elems permanent-flags |
| 1326 | uidvalidity vanished highestmodseq) |
| 1327 | (dolist (elem sequences) |
| 1328 | (destructuring-bind (group-sequence flag-sequence totalp group command) |
| 1329 | elem |
| 1330 | (setq start (point)) |
| 1331 | (when (and |
| 1332 | ;; The EXAMINE was successful. |
| 1333 | (search-forward (format "\n%d OK " group-sequence) nil t) |
| 1334 | (progn |
| 1335 | (forward-line 1) |
| 1336 | (setq end (point)) |
| 1337 | (goto-char start) |
| 1338 | (setq permanent-flags |
| 1339 | (if (equal command "SELECT") |
| 1340 | (and (search-forward "PERMANENTFLAGS " |
| 1341 | (or end (point-min)) t) |
| 1342 | (read (current-buffer))) |
| 1343 | 'not-scanned)) |
| 1344 | (goto-char start) |
| 1345 | (setq uidnext |
| 1346 | (and (search-forward "UIDNEXT " |
| 1347 | (or end (point-min)) t) |
| 1348 | (read (current-buffer)))) |
| 1349 | (goto-char start) |
| 1350 | (setq uidvalidity |
| 1351 | (and (re-search-forward "UIDVALIDITY \\([0-9]+\\)" |
| 1352 | (or end (point-min)) t) |
| 1353 | ;; Store UIDVALIDITY as a string, as it's |
| 1354 | ;; too big for 32-bit Emacsen, usually. |
| 1355 | (match-string 1))) |
| 1356 | (goto-char start) |
| 1357 | (setq vanished |
| 1358 | (and (eq flag-sequence 'qresync) |
| 1359 | (re-search-forward "VANISHED.* \\([0-9:,]+\\)" |
| 1360 | (or end (point-min)) t) |
| 1361 | (match-string 1))) |
| 1362 | (goto-char start) |
| 1363 | (setq highestmodseq |
| 1364 | (and (search-forward "HIGHESTMODSEQ " |
| 1365 | (or end (point-min)) t) |
| 1366 | (read (current-buffer)))) |
| 1367 | (goto-char end) |
| 1368 | (forward-line -1)) |
| 1369 | ;; The UID FETCH FLAGS was successful. |
| 1370 | (or (eq flag-sequence 'qresync) |
| 1371 | (search-forward (format "\n%d OK " flag-sequence) nil t))) |
| 1372 | (if (eq flag-sequence 'qresync) |
| 1373 | (progn |
| 1374 | (goto-char start) |
| 1375 | (setq start end)) |
| 1376 | (setq start (point)) |
| 1377 | (goto-char end)) |
| 1378 | (while (re-search-forward "^\\* [0-9]+ FETCH " start t) |
| 1379 | (setq elems (read (current-buffer))) |
| 1380 | (push (cons (cadr (memq 'UID elems)) |
| 1381 | (cadr (memq 'FLAGS elems))) |
| 1382 | articles)) |
| 1383 | (push (nconc (list group uidnext totalp permanent-flags uidvalidity |
| 1384 | vanished highestmodseq) |
| 1385 | articles) |
| 1386 | groups) |
| 1387 | (goto-char end) |
| 1388 | (setq articles nil)))) |
| 1389 | groups)) |
| 1390 | |
| 1391 | (defun nnimap-find-process-buffer (buffer) |
| 1392 | (cadr (assoc buffer nnimap-connection-alist))) |
| 1393 | |
| 1394 | (deffoo nnimap-request-post (&optional server) |
| 1395 | (setq nnimap-status-string "Read-only server") |
| 1396 | nil) |
| 1397 | |
| 1398 | (deffoo nnimap-request-thread (id) |
| 1399 | (let* ((refs (split-string |
| 1400 | (or (mail-header-references (gnus-summary-article-header)) |
| 1401 | ""))) |
| 1402 | (cmd (let ((value |
| 1403 | (format |
| 1404 | "(OR HEADER REFERENCES %s HEADER Message-Id %s)" |
| 1405 | id id))) |
| 1406 | (dolist (refid refs value) |
| 1407 | (setq value (format |
| 1408 | "(OR (OR HEADER Message-Id %s HEADER REFERENCES %s) %s)" |
| 1409 | refid refid value))))) |
| 1410 | (result |
| 1411 | (with-current-buffer (nnimap-buffer) |
| 1412 | (nnimap-command "UID SEARCH %s" cmd)))) |
| 1413 | (gnus-fetch-headers (and (car result) |
| 1414 | (delete 0 (mapcar #'string-to-number |
| 1415 | (cdr (assoc "SEARCH" (cdr result))))))))) |
| 1416 | |
| 1417 | (defun nnimap-possibly-change-group (group server) |
| 1418 | (let ((open-result t)) |
| 1419 | (when (and server |
| 1420 | (not (nnimap-server-opened server))) |
| 1421 | (setq open-result (nnimap-open-server server))) |
| 1422 | (cond |
| 1423 | ((not open-result) |
| 1424 | nil) |
| 1425 | ((not group) |
| 1426 | t) |
| 1427 | (t |
| 1428 | (with-current-buffer (nnimap-buffer) |
| 1429 | (if (equal group (nnimap-group nnimap-object)) |
| 1430 | t |
| 1431 | (let ((result (nnimap-command "SELECT %S" (utf7-encode group t)))) |
| 1432 | (when (car result) |
| 1433 | (setf (nnimap-group nnimap-object) group |
| 1434 | (nnimap-select-result nnimap-object) result) |
| 1435 | result)))))))) |
| 1436 | |
| 1437 | (defun nnimap-find-connection (buffer) |
| 1438 | "Find the connection delivering to BUFFER." |
| 1439 | (let ((entry (assoc buffer nnimap-connection-alist))) |
| 1440 | (when entry |
| 1441 | (if (and (buffer-name (cadr entry)) |
| 1442 | (get-buffer-process (cadr entry)) |
| 1443 | (memq (process-status (get-buffer-process (cadr entry))) |
| 1444 | '(open run))) |
| 1445 | (get-buffer-process (cadr entry)) |
| 1446 | (setq nnimap-connection-alist (delq entry nnimap-connection-alist)) |
| 1447 | nil)))) |
| 1448 | |
| 1449 | (defvar nnimap-sequence 0) |
| 1450 | |
| 1451 | (defun nnimap-send-command (&rest args) |
| 1452 | (process-send-string |
| 1453 | (get-buffer-process (current-buffer)) |
| 1454 | (nnimap-log-command |
| 1455 | (format "%d %s%s\n" |
| 1456 | (incf nnimap-sequence) |
| 1457 | (apply #'format args) |
| 1458 | (if (nnimap-newlinep nnimap-object) |
| 1459 | "" |
| 1460 | "\r")))) |
| 1461 | ;; Some servers apparently can't have many outstanding |
| 1462 | ;; commands, so throttle them. |
| 1463 | (unless nnimap-streaming |
| 1464 | (nnimap-wait-for-response nnimap-sequence)) |
| 1465 | nnimap-sequence) |
| 1466 | |
| 1467 | (defun nnimap-log-command (command) |
| 1468 | (with-current-buffer (get-buffer-create "*imap log*") |
| 1469 | (goto-char (point-max)) |
| 1470 | (insert (format-time-string "%H:%M:%S") " " command)) |
| 1471 | command) |
| 1472 | |
| 1473 | (defun nnimap-command (&rest args) |
| 1474 | (erase-buffer) |
| 1475 | (setf (nnimap-last-command-time nnimap-object) (current-time)) |
| 1476 | (let* ((sequence (apply #'nnimap-send-command args)) |
| 1477 | (response (nnimap-get-response sequence))) |
| 1478 | (if (equal (caar response) "OK") |
| 1479 | (cons t response) |
| 1480 | (nnheader-report 'nnimap "%s" |
| 1481 | (mapconcat (lambda (a) |
| 1482 | (format "%s" a)) |
| 1483 | (car response) " ")) |
| 1484 | nil))) |
| 1485 | |
| 1486 | (defun nnimap-get-response (sequence) |
| 1487 | (nnimap-wait-for-response sequence) |
| 1488 | (nnimap-parse-response)) |
| 1489 | |
| 1490 | (defun nnimap-wait-for-connection (&optional regexp) |
| 1491 | (unless regexp |
| 1492 | (setq regexp "^[*.] .*\n")) |
| 1493 | (let ((process (get-buffer-process (current-buffer)))) |
| 1494 | (goto-char (point-min)) |
| 1495 | (while (and (memq (process-status process) |
| 1496 | '(open run)) |
| 1497 | (not (re-search-forward regexp nil t))) |
| 1498 | (nnheader-accept-process-output process) |
| 1499 | (goto-char (point-min))) |
| 1500 | (forward-line -1) |
| 1501 | (and (looking-at "[*.] \\([A-Z0-9]+\\)") |
| 1502 | (match-string 1)))) |
| 1503 | |
| 1504 | (defun nnimap-wait-for-response (sequence &optional messagep) |
| 1505 | (let ((process (get-buffer-process (current-buffer))) |
| 1506 | openp) |
| 1507 | (condition-case nil |
| 1508 | (progn |
| 1509 | (goto-char (point-max)) |
| 1510 | (while (and (setq openp (memq (process-status process) |
| 1511 | '(open run))) |
| 1512 | (not (re-search-backward |
| 1513 | (format "^%d .*\n" sequence) |
| 1514 | (if nnimap-streaming |
| 1515 | (max (point-min) (- (point) 500)) |
| 1516 | (point-min)) |
| 1517 | t))) |
| 1518 | (when messagep |
| 1519 | (nnheader-message 7 "nnimap read %dk" (/ (buffer-size) 1000))) |
| 1520 | (nnheader-accept-process-output process) |
| 1521 | (goto-char (point-max))) |
| 1522 | openp) |
| 1523 | (quit |
| 1524 | ;; The user hit C-g while we were waiting: kill the process, in case |
| 1525 | ;; it's a gnutls-cli process that's stuck (tends to happen a lot behind |
| 1526 | ;; NAT routers). |
| 1527 | (delete-process process) |
| 1528 | nil)))) |
| 1529 | |
| 1530 | (defun nnimap-parse-response () |
| 1531 | (let ((lines (split-string (nnimap-last-response-string) "\r\n" t)) |
| 1532 | result) |
| 1533 | (dolist (line lines) |
| 1534 | (push (cdr (nnimap-parse-line line)) result)) |
| 1535 | ;; Return the OK/error code first, and then all the "continuation |
| 1536 | ;; lines" afterwards. |
| 1537 | (cons (pop result) |
| 1538 | (nreverse result)))) |
| 1539 | |
| 1540 | ;; Parse an IMAP response line lightly. They look like |
| 1541 | ;; "* OK [UIDVALIDITY 1164213559] UIDs valid", typically, so parse |
| 1542 | ;; the lines into a list of strings and lists of string. |
| 1543 | (defun nnimap-parse-line (line) |
| 1544 | (let (char result) |
| 1545 | (with-temp-buffer |
| 1546 | (mm-disable-multibyte) |
| 1547 | (insert line) |
| 1548 | (goto-char (point-min)) |
| 1549 | (while (not (eobp)) |
| 1550 | (if (eql (setq char (following-char)) ? ) |
| 1551 | (forward-char 1) |
| 1552 | (push |
| 1553 | (cond |
| 1554 | ((eql char ?\[) |
| 1555 | (split-string |
| 1556 | (buffer-substring |
| 1557 | (1+ (point)) |
| 1558 | (1- (search-forward "]" (line-end-position) 'move))))) |
| 1559 | ((eql char ?\() |
| 1560 | (split-string |
| 1561 | (buffer-substring |
| 1562 | (1+ (point)) |
| 1563 | (1- (search-forward ")" (line-end-position) 'move))))) |
| 1564 | ((eql char ?\") |
| 1565 | (forward-char 1) |
| 1566 | (buffer-substring |
| 1567 | (point) |
| 1568 | (1- (or (search-forward "\"" (line-end-position) 'move) |
| 1569 | (point))))) |
| 1570 | (t |
| 1571 | (buffer-substring (point) (if (search-forward " " nil t) |
| 1572 | (1- (point)) |
| 1573 | (goto-char (point-max)))))) |
| 1574 | result))) |
| 1575 | (nreverse result)))) |
| 1576 | |
| 1577 | (defun nnimap-last-response-string () |
| 1578 | (save-excursion |
| 1579 | (forward-line 1) |
| 1580 | (let ((end (point))) |
| 1581 | (forward-line -1) |
| 1582 | (when (not (bobp)) |
| 1583 | (forward-line -1) |
| 1584 | (while (and (not (bobp)) |
| 1585 | (eql (following-char) ?*)) |
| 1586 | (forward-line -1)) |
| 1587 | (unless (eql (following-char) ?*) |
| 1588 | (forward-line 1))) |
| 1589 | (buffer-substring (point) end)))) |
| 1590 | |
| 1591 | (defun nnimap-get-responses (sequences) |
| 1592 | (let (responses) |
| 1593 | (dolist (sequence sequences) |
| 1594 | (goto-char (point-min)) |
| 1595 | (when (re-search-forward (format "^%d " sequence) nil t) |
| 1596 | (push (list sequence (nnimap-parse-response)) |
| 1597 | responses))) |
| 1598 | responses)) |
| 1599 | |
| 1600 | (defvar nnimap-incoming-split-list nil) |
| 1601 | |
| 1602 | (defun nnimap-fetch-inbox (articles) |
| 1603 | (erase-buffer) |
| 1604 | (nnimap-wait-for-response |
| 1605 | (nnimap-send-command |
| 1606 | "UID FETCH %s %s" |
| 1607 | (nnimap-article-ranges articles) |
| 1608 | (format "(UID %s%s)" |
| 1609 | (format |
| 1610 | (if (nnimap-ver4-p) |
| 1611 | "BODY.PEEK[HEADER] BODY.PEEK" |
| 1612 | "RFC822.PEEK")) |
| 1613 | (if nnimap-split-download-body-default |
| 1614 | "[]" |
| 1615 | "[1]"))) |
| 1616 | t)) |
| 1617 | |
| 1618 | (defun nnimap-split-incoming-mail () |
| 1619 | (with-current-buffer (nnimap-buffer) |
| 1620 | (let ((nnimap-incoming-split-list nil) |
| 1621 | (nnmail-split-methods (if (eq nnimap-split-methods 'default) |
| 1622 | nnmail-split-methods |
| 1623 | nnimap-split-methods)) |
| 1624 | (nnmail-split-fancy (or nnimap-split-fancy |
| 1625 | nnmail-split-fancy)) |
| 1626 | (nnmail-inhibit-default-split-group t) |
| 1627 | (groups (nnimap-get-groups)) |
| 1628 | new-articles) |
| 1629 | (erase-buffer) |
| 1630 | (nnimap-command "SELECT %S" nnimap-inbox) |
| 1631 | (setf (nnimap-group nnimap-object) nnimap-inbox) |
| 1632 | (setq new-articles (nnimap-new-articles (nnimap-get-flags "1:*"))) |
| 1633 | (when new-articles |
| 1634 | (nnimap-fetch-inbox new-articles) |
| 1635 | (nnimap-transform-split-mail) |
| 1636 | (nnheader-ms-strip-cr) |
| 1637 | (nnmail-cache-open) |
| 1638 | (nnmail-split-incoming (current-buffer) |
| 1639 | #'nnimap-save-mail-spec |
| 1640 | nil nil |
| 1641 | #'nnimap-dummy-active-number |
| 1642 | #'nnimap-save-mail-spec) |
| 1643 | (when nnimap-incoming-split-list |
| 1644 | (let ((specs (nnimap-make-split-specs nnimap-incoming-split-list)) |
| 1645 | sequences junk-articles) |
| 1646 | ;; Create any groups that doesn't already exist on the |
| 1647 | ;; server first. |
| 1648 | (dolist (spec specs) |
| 1649 | (when (and (not (member (car spec) groups)) |
| 1650 | (not (eq (car spec) 'junk))) |
| 1651 | (nnimap-command "CREATE %S" (utf7-encode (car spec) t)))) |
| 1652 | ;; Then copy over all the messages. |
| 1653 | (erase-buffer) |
| 1654 | (dolist (spec specs) |
| 1655 | (let ((group (car spec)) |
| 1656 | (ranges (cdr spec))) |
| 1657 | (if (eq group 'junk) |
| 1658 | (setq junk-articles ranges) |
| 1659 | (push (list (nnimap-send-command |
| 1660 | "UID COPY %s %S" |
| 1661 | (nnimap-article-ranges ranges) |
| 1662 | (utf7-encode group t)) |
| 1663 | ranges) |
| 1664 | sequences)))) |
| 1665 | ;; Wait for the last COPY response... |
| 1666 | (when sequences |
| 1667 | (nnimap-wait-for-response (caar sequences)) |
| 1668 | ;; And then mark the successful copy actions as deleted, |
| 1669 | ;; and possibly expunge them. |
| 1670 | (nnimap-mark-and-expunge-incoming |
| 1671 | (nnimap-parse-copied-articles sequences))) |
| 1672 | (nnimap-mark-and-expunge-incoming junk-articles))))))) |
| 1673 | |
| 1674 | (defun nnimap-mark-and-expunge-incoming (range) |
| 1675 | (when range |
| 1676 | (setq range (nnimap-article-ranges range)) |
| 1677 | (erase-buffer) |
| 1678 | (let ((sequence |
| 1679 | (nnimap-send-command |
| 1680 | "UID STORE %s +FLAGS.SILENT (\\Deleted)" range))) |
| 1681 | (cond |
| 1682 | ;; If the server supports it, we now delete the message we have |
| 1683 | ;; just copied over. |
| 1684 | ((nnimap-capability "UIDPLUS") |
| 1685 | (setq sequence (nnimap-send-command "UID EXPUNGE %s" range))) |
| 1686 | ;; If it doesn't support UID EXPUNGE, then we only expunge if the |
| 1687 | ;; user has configured it. |
| 1688 | (nnimap-expunge |
| 1689 | (setq sequence (nnimap-send-command "EXPUNGE")))) |
| 1690 | (nnimap-wait-for-response sequence)))) |
| 1691 | |
| 1692 | (defun nnimap-parse-copied-articles (sequences) |
| 1693 | (let (sequence copied range) |
| 1694 | (goto-char (point-min)) |
| 1695 | (while (re-search-forward "^\\([0-9]+\\) OK " nil t) |
| 1696 | (setq sequence (string-to-number (match-string 1))) |
| 1697 | (when (setq range (cadr (assq sequence sequences))) |
| 1698 | (push (gnus-uncompress-range range) copied))) |
| 1699 | (gnus-compress-sequence (sort (apply #'nconc copied) #'<)))) |
| 1700 | |
| 1701 | (defun nnimap-new-articles (flags) |
| 1702 | (let (new) |
| 1703 | (dolist (elem flags) |
| 1704 | (unless (gnus-list-memq-of-list nnimap-unsplittable-articles |
| 1705 | (cdr elem)) |
| 1706 | (push (car elem) new))) |
| 1707 | (gnus-compress-sequence (nreverse new)))) |
| 1708 | |
| 1709 | (defun nnimap-make-split-specs (list) |
| 1710 | (let ((specs nil) |
| 1711 | entry) |
| 1712 | (dolist (elem list) |
| 1713 | (destructuring-bind (article spec) elem |
| 1714 | (dolist (group (delete nil (mapcar #'car spec))) |
| 1715 | (unless (setq entry (assoc group specs)) |
| 1716 | (push (setq entry (list group)) specs)) |
| 1717 | (setcdr entry (cons article (cdr entry)))))) |
| 1718 | (dolist (entry specs) |
| 1719 | (setcdr entry (gnus-compress-sequence (sort (cdr entry) #'<)))) |
| 1720 | specs)) |
| 1721 | |
| 1722 | (defun nnimap-transform-split-mail () |
| 1723 | (goto-char (point-min)) |
| 1724 | (let (article bytes) |
| 1725 | (block nil |
| 1726 | (while (not (eobp)) |
| 1727 | (while (not (looking-at "^\\* [0-9]+ FETCH.*UID \\([0-9]+\\)")) |
| 1728 | (delete-region (point) (progn (forward-line 1) (point))) |
| 1729 | (when (eobp) |
| 1730 | (return))) |
| 1731 | (setq article (match-string 1) |
| 1732 | bytes (nnimap-get-length)) |
| 1733 | (delete-region (line-beginning-position) (line-end-position)) |
| 1734 | ;; Insert MMDF separator, and a way to remember what this |
| 1735 | ;; article UID is. |
| 1736 | (insert (format "\^A\^A\^A\^A\n\nX-nnimap-article: %s" article)) |
| 1737 | (forward-char (1+ bytes)) |
| 1738 | (setq bytes (nnimap-get-length)) |
| 1739 | (delete-region (line-beginning-position) (line-end-position)) |
| 1740 | ;; There's a body; skip past that. |
| 1741 | (when bytes |
| 1742 | (forward-char (1+ bytes)) |
| 1743 | (delete-region (line-beginning-position) (line-end-position))))))) |
| 1744 | |
| 1745 | (defun nnimap-dummy-active-number (group &optional server) |
| 1746 | 1) |
| 1747 | |
| 1748 | (defun nnimap-save-mail-spec (group-art &optional server full-nov) |
| 1749 | (let (article) |
| 1750 | (goto-char (point-min)) |
| 1751 | (if (not (re-search-forward "X-nnimap-article: \\([0-9]+\\)" nil t)) |
| 1752 | (error "Invalid nnimap mail") |
| 1753 | (setq article (string-to-number (match-string 1)))) |
| 1754 | (push (list article |
| 1755 | (if (eq group-art 'junk) |
| 1756 | (list (cons 'junk 1)) |
| 1757 | group-art)) |
| 1758 | nnimap-incoming-split-list))) |
| 1759 | |
| 1760 | (provide 'nnimap) |
| 1761 | |
| 1762 | ;;; nnimap.el ends here |