HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 16409b0b | 1 | ;;; nntp.el --- nntp access for Gnus |
| f9936da6 | 2 | |
| 95df8112 GM |
3 | ;; Copyright (C) 1987-1990, 1992-1998, 2000-2011 |
| 4 | ;; Free Software Foundation, Inc. | |
| eec82323 | 5 | |
| 6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
| eec82323 LMI |
7 | ;; Keywords: news |
| 8 | ||
| 9 | ;; This file is part of GNU Emacs. | |
| 10 | ||
| 5e809f55 GM |
11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 12 | ;; it under the terms of the GNU General Public License as published by | |
| 13 | ;; the Free Software Foundation, either version 3 of the License, or | |
| 14 | ;; (at your option) any later version. | |
| eec82323 | 15 | |
| 5e809f55 GM |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | ;; GNU General Public License for more details. | |
| eec82323 LMI |
20 | |
| 21 | ;; You should have received a copy of the GNU General Public License | |
| 5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| eec82323 LMI |
23 | |
| 24 | ;;; Commentary: | |
| 25 | ||
| 26 | ;;; Code: | |
| 27 | ||
| f0b7f5a8 | 28 | ;; For Emacs <22.2 and XEmacs. |
| aa8f8277 | 29 | (eval-and-compile |
| da91b5f2 CY |
30 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))) |
| 31 | ;; In Emacs 24, `open-protocol-stream' is an autoloaded alias for | |
| 32 | ;; `make-network-stream'. | |
| 33 | (unless (fboundp 'open-protocol-stream) | |
| 34 | (require 'proto-stream))) | |
| aa8f8277 | 35 | |
| eec82323 LMI |
36 | (require 'nnheader) |
| 37 | (require 'nnoo) | |
| 38 | (require 'gnus-util) | |
| 01c52d31 MB |
39 | (require 'gnus) |
| 40 | (require 'gnus-group) ;; gnus-group-name-charset | |
| eec82323 LMI |
41 | |
| 42 | (nnoo-declare nntp) | |
| 43 | ||
| 16409b0b | 44 | (eval-when-compile (require 'cl)) |
| eec82323 | 45 | |
| b8e0f0cd | 46 | (autoload 'auth-source-search "auth-source") |
| e952b711 | 47 | |
| e79f14a4 RS |
48 | (defgroup nntp nil |
| 49 | "NNTP access for Gnus." | |
| 50 | :group 'gnus) | |
| 51 | ||
| eec82323 LMI |
52 | (defvoo nntp-address nil |
| 53 | "Address of the physical nntp server.") | |
| 54 | ||
| 55 | (defvoo nntp-port-number "nntp" | |
| 56 | "Port number on the physical nntp server.") | |
| 57 | ||
| 58 | (defvoo nntp-server-opened-hook '(nntp-send-mode-reader) | |
| 59 | "*Hook used for sending commands to the server at startup. | |
| 60 | The default value is `nntp-send-mode-reader', which makes an innd | |
| 6748645f | 61 | server spawn an nnrpd server.") |
| eec82323 LMI |
62 | |
| 63 | (defvoo nntp-authinfo-function 'nntp-send-authinfo | |
| 6748645f LMI |
64 | "Function used to send AUTHINFO to the server. |
| 65 | It is called with no parameters.") | |
| eec82323 LMI |
66 | |
| 67 | (defvoo nntp-server-action-alist | |
| 16409b0b GM |
68 | '(("nntpd 1\\.5\\.11t" |
| 69 | (remove-hook 'nntp-server-opened-hook 'nntp-send-mode-reader)) | |
| 70 | ("NNRP server Netscape" | |
| 71 | (setq nntp-server-list-active-group nil))) | |
| eec82323 LMI |
72 | "Alist of regexps to match on server types and actions to be taken. |
| 73 | For instance, if you want Gnus to beep every time you connect | |
| 74 | to innd, you could say something like: | |
| 75 | ||
| 76 | \(setq nntp-server-action-alist | |
| 77 | '((\"innd\" (ding)))) | |
| 78 | ||
| 79 | You probably don't want to do that, though.") | |
| 80 | ||
| 81 | (defvoo nntp-open-connection-function 'nntp-open-network-stream | |
| e742e117 CY |
82 | "Method for connecting to a remote system. |
| 83 | It should be a function, which is called with the output buffer | |
| 84 | as its single argument, or one of the following special values: | |
| 85 | ||
| 86 | - `nntp-open-network-stream' specifies a network connection, | |
| 87 | upgrading to a TLS connection via STARTTLS if possible. | |
| 88 | - `nntp-open-plain-stream' specifies an unencrypted network | |
| 89 | connection (no STARTTLS upgrade is attempted). | |
| 90 | - `nntp-open-ssl-stream' or `nntp-open-tls-stream' specify a TLS | |
| 91 | network connection. | |
| 92 | ||
| 93 | Apart from the above special values, valid functions are as | |
| 94 | follows; please refer to their respective doc string for more | |
| 95 | information. | |
| 96 | For direct connections: | |
| 97 | - `nntp-open-netcat-stream' | |
| 98 | - `nntp-open-telnet-stream' | |
| 99 | For indirect connections: | |
| 100 | - `nntp-open-via-rlogin-and-netcat' | |
| 101 | - `nntp-open-via-rlogin-and-telnet' | |
| 102 | - `nntp-open-via-telnet-and-telnet'") | |
| eec82323 | 103 | |
| 45cb30ee MB |
104 | (defvoo nntp-never-echoes-commands nil |
| 105 | "*Non-nil means the nntp server never echoes commands. | |
| 106 | It is reported that some nntps server doesn't echo commands. So, you | |
| 107 | may want to set this to non-nil in the method for such a server setting | |
| 108 | `nntp-open-connection-function' to `nntp-open-ssl-stream' for example. | |
| 109 | Note that the `nntp-open-connection-functions-never-echo-commands' | |
| 110 | variable overrides the nil value of this variable.") | |
| 111 | ||
| 112 | (defvoo nntp-open-connection-functions-never-echo-commands | |
| 113 | '(nntp-open-network-stream) | |
| 114 | "*List of functions that never echo commands. | |
| 115 | Add or set a function which you set to `nntp-open-connection-function' | |
| 116 | to this list if it does not echo commands. Note that a non-nil value | |
| 117 | of the `nntp-never-echoes-commands' variable overrides this variable.") | |
| 118 | ||
| 23f87bed MB |
119 | (defvoo nntp-pre-command nil |
| 120 | "*Pre-command to use with the various nntp-open-via-* methods. | |
| 121 | This is where you would put \"runsocks\" or stuff like that.") | |
| eec82323 | 122 | |
| 23f87bed MB |
123 | (defvoo nntp-telnet-command "telnet" |
| 124 | "*Telnet command used to connect to the nntp server. | |
| 01c52d31 MB |
125 | This command is used by the methods `nntp-open-telnet-stream', |
| 126 | `nntp-open-via-rlogin-and-telnet' and `nntp-open-via-telnet-and-telnet'.") | |
| eec82323 | 127 | |
| 23f87bed MB |
128 | (defvoo nntp-telnet-switches '("-8") |
| 129 | "*Switches given to the telnet command `nntp-telnet-command'.") | |
| eec82323 | 130 | |
| 23f87bed MB |
131 | (defvoo nntp-end-of-line "\r\n" |
| 132 | "*String to use on the end of lines when talking to the NNTP server. | |
| 01c52d31 MB |
133 | This is \"\\r\\n\" by default, but should be \"\\n\" when using an indirect |
| 134 | connection method (nntp-open-via-*).") | |
| eec82323 | 135 | |
| 23f87bed MB |
136 | (defvoo nntp-via-rlogin-command "rsh" |
| 137 | "*Rlogin command used to connect to an intermediate host. | |
| 01c52d31 MB |
138 | This command is used by the methods `nntp-open-via-rlogin-and-telnet' |
| 139 | and `nntp-open-via-rlogin-and-netcat'. The default is \"rsh\", but \"ssh\" | |
| 140 | is a popular alternative.") | |
| 6748645f | 141 | |
| 23f87bed MB |
142 | (defvoo nntp-via-rlogin-command-switches nil |
| 143 | "*Switches given to the rlogin command `nntp-via-rlogin-command'. | |
| 144 | If you use \"ssh\" for `nntp-via-rlogin-command', you may set this to | |
| 145 | \(\"-C\") in order to compress all data connections, otherwise set this | |
| 146 | to \(\"-t\" \"-e\" \"none\") or (\"-C\" \"-t\" \"-e\" \"none\") if the telnet | |
| 147 | command requires a pseudo-tty allocation on an intermediate host.") | |
| 6748645f | 148 | |
| 23f87bed MB |
149 | (defvoo nntp-via-telnet-command "telnet" |
| 150 | "*Telnet command used to connect to an intermediate host. | |
| 151 | This command is used by the `nntp-open-via-telnet-and-telnet' method.") | |
| a8151ef7 | 152 | |
| 23f87bed MB |
153 | (defvoo nntp-via-telnet-switches '("-8") |
| 154 | "*Switches given to the telnet command `nntp-via-telnet-command'.") | |
| a8151ef7 | 155 | |
| 990e2c2f | 156 | (defvoo nntp-netcat-command "nc" |
| 01c52d31 | 157 | "*Netcat command used to connect to the nntp server. |
| 990e2c2f SM |
158 | This command is used by the `nntp-open-netcat-stream' and |
| 159 | `nntp-open-via-rlogin-and-netcat' methods.") | |
| 01c52d31 | 160 | |
| 990e2c2f SM |
161 | (defvoo nntp-netcat-switches nil |
| 162 | "*Switches given to the netcat command `nntp-netcat-command'.") | |
| 01c52d31 | 163 | |
| 23f87bed MB |
164 | (defvoo nntp-via-user-name nil |
| 165 | "*User name to log in on an intermediate host with. | |
| 01c52d31 | 166 | This variable is used by the various nntp-open-via-* methods.") |
| 23f87bed MB |
167 | |
| 168 | (defvoo nntp-via-user-password nil | |
| 169 | "*Password to use to log in on an intermediate host with. | |
| 170 | This variable is used by the `nntp-open-via-telnet-and-telnet' method.") | |
| 171 | ||
| 172 | (defvoo nntp-via-address nil | |
| 173 | "*Address of an intermediate host to connect to. | |
| 01c52d31 | 174 | This variable is used by the various nntp-open-via-* methods.") |
| 23f87bed MB |
175 | |
| 176 | (defvoo nntp-via-envuser nil | |
| 177 | "*Whether both telnet client and server support the ENVIRON option. | |
| 178 | If non-nil, there will be no prompt for a login name.") | |
| 179 | ||
| 180 | (defvoo nntp-via-shell-prompt "bash\\|\$ *\r?$\\|> *\r?" | |
| 181 | "*Regular expression to match the shell prompt on an intermediate host. | |
| 182 | This variable is used by the `nntp-open-via-telnet-and-telnet' method.") | |
| eec82323 LMI |
183 | |
| 184 | (defvoo nntp-large-newsgroup 50 | |
| 23f87bed MB |
185 | "*The number of articles which indicates a large newsgroup. |
| 186 | If the number of articles is greater than the value, verbose | |
| eec82323 LMI |
187 | messages will be shown to indicate the current status.") |
| 188 | ||
| 189 | (defvoo nntp-maximum-request 400 | |
| 190 | "*The maximum number of the requests sent to the NNTP server at one time. | |
| 191 | If Emacs hangs up while retrieving headers, set the variable to a | |
| 192 | lower value.") | |
| 193 | ||
| 194 | (defvoo nntp-nov-is-evil nil | |
| 195 | "*If non-nil, nntp will never attempt to use XOVER when talking to the server.") | |
| 196 | ||
| 197 | (defvoo nntp-xover-commands '("XOVER" "XOVERVIEW") | |
| 198 | "*List of strings that are used as commands to fetch NOV lines from a server. | |
| 199 | The strings are tried in turn until a positive response is gotten. If | |
| 200 | none of the commands are successful, nntp will just grab headers one | |
| 201 | by one.") | |
| 202 | ||
| a8151ef7 | 203 | (defvoo nntp-nov-gap 5 |
| eec82323 LMI |
204 | "*Maximum allowed gap between two articles. |
| 205 | If the gap between two consecutive articles is bigger than this | |
| 206 | variable, split the XOVER request into two requests.") | |
| 207 | ||
| 37cc095b MB |
208 | (defvoo nntp-xref-number-is-evil nil |
| 209 | "*If non-nil, Gnus never trusts article numbers in the Xref header. | |
| 210 | Some news servers, e.g., ones running Diablo, run multiple engines | |
| 211 | having the same articles but article numbers are not kept synchronized | |
| 212 | between them. If you connect to such a server, set this to a non-nil | |
| 213 | value, and Gnus never uses article numbers (that appear in the Xref | |
| 214 | header and vary by which engine is chosen) to refer to articles.") | |
| 215 | ||
| eec82323 LMI |
216 | (defvoo nntp-prepare-server-hook nil |
| 217 | "*Hook run before a server is opened. | |
| 218 | If can be used to set up a server remotely, for instance. Say you | |
| 219 | have an account at the machine \"other.machine\". This machine has | |
| 220 | access to an NNTP server that you can't access locally. You could | |
| 221 | then use this hook to rsh to the remote machine and start a proxy NNTP | |
| 6748645f LMI |
222 | server there that you can connect to. See also |
| 223 | `nntp-open-connection-function'") | |
| eec82323 | 224 | |
| 6748645f LMI |
225 | (defvoo nntp-coding-system-for-read 'binary |
| 226 | "*Coding system to read from NNTP.") | |
| 227 | ||
| 228 | (defvoo nntp-coding-system-for-write 'binary | |
| 229 | "*Coding system to write to NNTP.") | |
| 230 | ||
| 01c52d31 MB |
231 | ;; Marks |
| 232 | (defvoo nntp-marks-is-evil nil | |
| 233 | "*If non-nil, Gnus will never generate and use marks file for nntp groups. | |
| 234 | See `nnml-marks-is-evil' for more information.") | |
| 235 | ||
| 236 | (defvoo nntp-marks-file-name ".marks") | |
| 237 | (defvoo nntp-marks nil) | |
| 238 | (defvar nntp-marks-modtime (gnus-make-hashtable)) | |
| 239 | ||
| 240 | (defcustom nntp-marks-directory | |
| 241 | (nnheader-concat gnus-directory "marks/") | |
| 242 | "*The directory where marks for nntp groups will be stored." | |
| 243 | :group 'nntp | |
| 244 | :type 'directory) | |
| 245 | ||
| 6748645f LMI |
246 | (defcustom nntp-authinfo-file "~/.authinfo" |
| 247 | ".netrc-like file that holds nntp authinfo passwords." | |
| e79f14a4 | 248 | :group 'nntp |
| 6748645f LMI |
249 | :type |
| 250 | '(choice file | |
| 251 | (repeat :tag "Entries" | |
| 252 | :menu-tag "Inline" | |
| 253 | (list :format "%v" | |
| 254 | :value ("" ("login" . "") ("password" . "")) | |
| 255 | (string :tag "Host") | |
| 256 | (checklist :inline t | |
| 257 | (cons :format "%v" | |
| 258 | (const :format "" "login") | |
| 259 | (string :format "Login: %v")) | |
| 260 | (cons :format "%v" | |
| 261 | (const :format "" "password") | |
| 23f87bed | 262 | (string :format "Password: %v"))))))) |
| 6748645f | 263 | |
| 1e91d506 G |
264 | (make-obsolete 'nntp-authinfo-file nil "Emacs 24.1") |
| 265 | ||
| eec82323 LMI |
266 | \f |
| 267 | ||
| 6748645f LMI |
268 | (defvoo nntp-connection-timeout nil |
| 269 | "*Number of seconds to wait before an nntp connection times out. | |
| 2eebe218 DL |
270 | If this variable is nil, which is the default, no timers are set. |
| 271 | NOTE: This variable is never seen to work in Emacs 20 and XEmacs 21.") | |
| 6748645f | 272 | |
| 23f87bed MB |
273 | (defvoo nntp-prepare-post-hook nil |
| 274 | "*Hook run just before posting an article. It is supposed to be used | |
| 275 | to insert Cancel-Lock headers.") | |
| 276 | ||
| 6b958814 G |
277 | (defvoo nntp-server-list-active-group 'try |
| 278 | "If nil, then always use GROUP instead of LIST ACTIVE. | |
| 279 | This is usually slower, but on misconfigured servers that don't | |
| 280 | update their active files often, this can help.") | |
| 281 | ||
| eec82323 LMI |
282 | ;;; Internal variables. |
| 283 | ||
| 6748645f LMI |
284 | (defvar nntp-record-commands nil |
| 285 | "*If non-nil, nntp will record all commands in the \"*nntp-log*\" buffer.") | |
| 286 | ||
| eec82323 LMI |
287 | (defvar nntp-have-messaged nil) |
| 288 | ||
| 289 | (defvar nntp-process-wait-for nil) | |
| 290 | (defvar nntp-process-to-buffer nil) | |
| 291 | (defvar nntp-process-callback nil) | |
| 292 | (defvar nntp-process-decode nil) | |
| 293 | (defvar nntp-process-start-point nil) | |
| 294 | (defvar nntp-inside-change-function nil) | |
| 6748645f LMI |
295 | (defvoo nntp-last-command-time nil) |
| 296 | (defvoo nntp-last-command nil) | |
| 297 | (defvoo nntp-authinfo-password nil) | |
| 298 | (defvoo nntp-authinfo-user nil) | |
| 01c52d31 | 299 | (defvoo nntp-authinfo-force nil) |
| eec82323 LMI |
300 | |
| 301 | (defvar nntp-connection-list nil) | |
| 302 | ||
| 303 | (defvoo nntp-server-type nil) | |
| 304 | (defvoo nntp-connection-alist nil) | |
| 305 | (defvoo nntp-status-string "") | |
| 306 | (defconst nntp-version "nntp 5.0") | |
| 307 | (defvoo nntp-inhibit-erase nil) | |
| 308 | (defvoo nntp-inhibit-output nil) | |
| 309 | ||
| 310 | (defvoo nntp-server-xover 'try) | |
| eec82323 | 311 | |
| 16409b0b GM |
312 | (defvar nntp-async-timer nil) |
| 313 | (defvar nntp-async-process-list nil) | |
| 314 | ||
| 58090a8d | 315 | (defvar nntp-authinfo-rejected nil |
| c9fc72fa LMI |
316 | "A custom error condition used to report 'Authentication Rejected' errors. |
| 317 | Condition handlers that match just this condition ensure that the nntp | |
| 58090a8d MB |
318 | backend doesn't catch this error.") |
| 319 | (put 'nntp-authinfo-rejected 'error-conditions '(error nntp-authinfo-rejected)) | |
| 320 | (put 'nntp-authinfo-rejected 'error-message "Authorization Rejected") | |
| 321 | ||
| eec82323 LMI |
322 | \f |
| 323 | ||
| 324 | ;;; Internal functions. | |
| 325 | ||
| 326 | (defsubst nntp-send-string (process string) | |
| 327 | "Send STRING to PROCESS." | |
| 6748645f LMI |
328 | ;; We need to store the time to provide timeouts, and |
| 329 | ;; to store the command so the we can replay the command | |
| 330 | ;; if the server gives us an AUTHINFO challenge. | |
| 331 | (setq nntp-last-command-time (current-time) | |
| 332 | nntp-last-command string) | |
| 333 | (when nntp-record-commands | |
| 334 | (nntp-record-command string)) | |
| 23f87bed MB |
335 | (process-send-string process (concat string nntp-end-of-line)) |
| 336 | (or (memq (process-status process) '(open run)) | |
| 337 | (nntp-report "Server closed connection"))) | |
| eec82323 | 338 | |
| 6748645f LMI |
339 | (defun nntp-record-command (string) |
| 340 | "Record the command STRING." | |
| ed075cb4 | 341 | (with-current-buffer (get-buffer-create "*nntp-log*") |
| 6748645f | 342 | (goto-char (point-max)) |
| 240a298f PE |
343 | (insert (format-time-string "%Y%m%dT%H%M%S.%3N") |
| 344 | " " nntp-address " " string "\n"))) | |
| 6748645f | 345 | |
| 23f87bed MB |
346 | (defun nntp-report (&rest args) |
| 347 | "Report an error from the nntp backend. The first string in ARGS | |
| 348 | can be a format string. For some commands, the failed command may be | |
| 349 | retried once before actually displaying the error report." | |
| 350 | ||
| 351 | (when nntp-record-commands | |
| 352 | (nntp-record-command "*** CALLED nntp-report ***")) | |
| 353 | ||
| 354 | (nnheader-report 'nntp args) | |
| 355 | ||
| 356 | (apply 'error args)) | |
| 357 | ||
| 358 | (defun nntp-report-1 (&rest args) | |
| 359 | "Throws out to nntp-with-open-group-error so that the connection may | |
| 360 | be restored and the command retried." | |
| 361 | ||
| 362 | (when nntp-record-commands | |
| 363 | (nntp-record-command "*** CONNECTION LOST ***")) | |
| 364 | ||
| 365 | (throw 'nntp-with-open-group-error t)) | |
| 366 | ||
| 1428d46b MB |
367 | (defmacro nntp-copy-to-buffer (buffer start end) |
| 368 | "Copy string from unibyte current buffer to multibyte buffer." | |
| 369 | (if (featurep 'xemacs) | |
| 370 | `(copy-to-buffer ,buffer ,start ,end) | |
| 371 | `(let ((string (buffer-substring ,start ,end))) | |
| 372 | (with-current-buffer ,buffer | |
| 373 | (erase-buffer) | |
| 374 | (insert (if enable-multibyte-characters | |
| 375 | (mm-string-to-multibyte string) | |
| 376 | string)) | |
| 377 | (goto-char (point-min)) | |
| 378 | nil)))) | |
| 379 | ||
| eec82323 LMI |
380 | (defsubst nntp-wait-for (process wait-for buffer &optional decode discard) |
| 381 | "Wait for WAIT-FOR to arrive from PROCESS." | |
| 01c52d31 | 382 | |
| ed075cb4 | 383 | (with-current-buffer (process-buffer process) |
| eec82323 | 384 | (goto-char (point-min)) |
| 01c52d31 | 385 | |
| 6748645f | 386 | (while (and (or (not (memq (char-after (point)) '(?2 ?3 ?4 ?5))) |
| 58090a8d | 387 | (looking-at "48[02]")) |
| 6748645f | 388 | (memq (process-status process) '(open run))) |
| 58090a8d | 389 | (cond ((looking-at "480") |
| 01c52d31 | 390 | (nntp-handle-authinfo process)) |
| 58090a8d | 391 | ((looking-at "482") |
| 04db63bc G |
392 | (nnheader-report 'nntp "%s" |
| 393 | (get 'nntp-authinfo-rejected 'error-message)) | |
| 58090a8d MB |
394 | (signal 'nntp-authinfo-rejected nil)) |
| 395 | ((looking-at "^.*\n") | |
| 396 | (delete-region (point) (progn (forward-line 1) (point))))) | |
| eec82323 LMI |
397 | (nntp-accept-process-output process) |
| 398 | (goto-char (point-min))) | |
| 399 | (prog1 | |
| 6748645f LMI |
400 | (cond |
| 401 | ((looking-at "[45]") | |
| 402 | (progn | |
| 403 | (nntp-snarf-error-message) | |
| 404 | nil)) | |
| 405 | ((not (memq (process-status process) '(open run))) | |
| 23f87bed | 406 | (nntp-report "Server closed connection")) |
| 6748645f | 407 | (t |
| eec82323 | 408 | (goto-char (point-max)) |
| 23f87bed MB |
409 | (let ((limit (point-min)) |
| 410 | response) | |
| eec82323 | 411 | (while (not (re-search-backward wait-for limit t)) |
| 6748645f | 412 | (nntp-accept-process-output process) |
| eec82323 LMI |
413 | ;; We assume that whatever we wait for is less than 1000 |
| 414 | ;; characters long. | |
| 415 | (setq limit (max (- (point-max) 1000) (point-min))) | |
| 23f87bed MB |
416 | (goto-char (point-max))) |
| 417 | (setq response (match-string 0)) | |
| 418 | (with-current-buffer nntp-server-buffer | |
| 419 | (setq nntp-process-response response))) | |
| eec82323 LMI |
420 | (nntp-decode-text (not decode)) |
| 421 | (unless discard | |
| ed075cb4 | 422 | (with-current-buffer buffer |
| 23f87bed | 423 | (goto-char (point-max)) |
| 9f5e78f7 | 424 | (nnheader-insert-buffer-substring (process-buffer process)) |
| eec82323 LMI |
425 | ;; Nix out "nntp reading...." message. |
| 426 | (when nntp-have-messaged | |
| 427 | (setq nntp-have-messaged nil) | |
| 23f87bed MB |
428 | (nnheader-message 5 "")))) |
| 429 | t)) | |
| eec82323 LMI |
430 | (unless discard |
| 431 | (erase-buffer))))) | |
| 432 | ||
| 16409b0b GM |
433 | (defun nntp-kill-buffer (buffer) |
| 434 | (when (buffer-name buffer) | |
| 1e91d506 G |
435 | (let ((process (get-buffer-process buffer))) |
| 436 | (when process | |
| 437 | (delete-process process))) | |
| 16409b0b GM |
438 | (kill-buffer buffer) |
| 439 | (nnheader-init-server-buffer))) | |
| 440 | ||
| 01c52d31 MB |
441 | (defun nntp-erase-buffer (buffer) |
| 442 | "Erase contents of BUFFER." | |
| 443 | (with-current-buffer buffer | |
| 444 | (erase-buffer))) | |
| 445 | ||
| eec82323 LMI |
446 | (defsubst nntp-find-connection (buffer) |
| 447 | "Find the connection delivering to BUFFER." | |
| 448 | (let ((alist nntp-connection-alist) | |
| 449 | (buffer (if (stringp buffer) (get-buffer buffer) buffer)) | |
| 450 | process entry) | |
| 23f87bed | 451 | (while (and alist (setq entry (pop alist))) |
| eec82323 LMI |
452 | (when (eq buffer (cadr entry)) |
| 453 | (setq process (car entry) | |
| 454 | alist nil))) | |
| 455 | (when process | |
| 456 | (if (memq (process-status process) '(open run)) | |
| 457 | process | |
| 16409b0b | 458 | (nntp-kill-buffer (process-buffer process)) |
| eec82323 LMI |
459 | (setq nntp-connection-alist (delq entry nntp-connection-alist)) |
| 460 | nil)))) | |
| 461 | ||
| 462 | (defsubst nntp-find-connection-entry (buffer) | |
| 463 | "Return the entry for the connection to BUFFER." | |
| 464 | (assq (nntp-find-connection buffer) nntp-connection-alist)) | |
| 465 | ||
| 466 | (defun nntp-find-connection-buffer (buffer) | |
| 467 | "Return the process connection buffer tied to BUFFER." | |
| 468 | (let ((process (nntp-find-connection buffer))) | |
| 469 | (when process | |
| 470 | (process-buffer process)))) | |
| 471 | ||
| 472 | (defsubst nntp-retrieve-data (command address port buffer | |
| 6748645f | 473 | &optional wait-for callback decode) |
| eec82323 LMI |
474 | "Use COMMAND to retrieve data into BUFFER from PORT on ADDRESS." |
| 475 | (let ((process (or (nntp-find-connection buffer) | |
| 476 | (nntp-open-connection buffer)))) | |
| 23f87bed MB |
477 | (if process |
| 478 | (progn | |
| 479 | (unless (or nntp-inhibit-erase nnheader-callback-function) | |
| 01c52d31 | 480 | (nntp-erase-buffer (process-buffer process))) |
| 23f87bed MB |
481 | (condition-case err |
| 482 | (progn | |
| 483 | (when command | |
| 484 | (nntp-send-string process command)) | |
| 485 | (cond | |
| 486 | ((eq callback 'ignore) | |
| 487 | t) | |
| 488 | ((and callback wait-for) | |
| 489 | (nntp-async-wait process wait-for buffer decode callback) | |
| 490 | t) | |
| 491 | (wait-for | |
| 492 | (nntp-wait-for process wait-for buffer decode)) | |
| 493 | (t t))) | |
| 58090a8d MB |
494 | (nntp-authinfo-rejected |
| 495 | (signal 'nntp-authinfo-rejected (cdr err))) | |
| 23f87bed MB |
496 | (error |
| 497 | (nnheader-report 'nntp "Couldn't open connection to %s: %s" | |
| 498 | address err)) | |
| 499 | (quit | |
| 500 | (message "Quit retrieving data from nntp") | |
| 501 | (signal 'quit nil) | |
| 502 | nil))) | |
| 503 | (nnheader-report 'nntp "Couldn't open connection to %s" address)))) | |
| eec82323 LMI |
504 | |
| 505 | (defsubst nntp-send-command (wait-for &rest strings) | |
| 506 | "Send STRINGS to server and wait until WAIT-FOR returns." | |
| 507 | (when (and (not nnheader-callback-function) | |
| 508 | (not nntp-inhibit-output)) | |
| 01c52d31 | 509 | (nntp-erase-buffer nntp-server-buffer)) |
| 23f87bed MB |
510 | (let* ((command (mapconcat 'identity strings " ")) |
| 511 | (process (nntp-find-connection nntp-server-buffer)) | |
| 512 | (buffer (and process (process-buffer process))) | |
| 513 | (pos (and buffer (with-current-buffer buffer (point))))) | |
| 514 | (if process | |
| 515 | (prog1 | |
| 516 | (nntp-retrieve-data command | |
| 517 | nntp-address nntp-port-number | |
| 518 | nntp-server-buffer | |
| 519 | wait-for nnheader-callback-function) | |
| 520 | ;; If nothing to wait for, still remove possibly echo'ed commands. | |
| 45cb30ee MB |
521 | ;; We don't have echoes if `nntp-never-echoes-commands' is non-nil |
| 522 | ;; or the value of `nntp-open-connection-function' is in | |
| 523 | ;; `nntp-open-connection-functions-never-echo-commands', so we | |
| 524 | ;; skip this in that cases. | |
| 23f87bed | 525 | (unless (or wait-for |
| 45cb30ee MB |
526 | nntp-never-echoes-commands |
| 527 | (memq | |
| 528 | nntp-open-connection-function | |
| 529 | nntp-open-connection-functions-never-echo-commands)) | |
| 23f87bed | 530 | (nntp-accept-response) |
| ed075cb4 | 531 | (with-current-buffer buffer |
| 23f87bed MB |
532 | (goto-char pos) |
| 533 | (if (looking-at (regexp-quote command)) | |
| 534 | (delete-region pos (progn (forward-line 1) | |
| 01c52d31 | 535 | (point-at-bol))))))) |
| 23f87bed MB |
536 | (nnheader-report 'nntp "Couldn't open connection to %s." |
| 537 | nntp-address)))) | |
| eec82323 LMI |
538 | |
| 539 | (defun nntp-send-command-nodelete (wait-for &rest strings) | |
| 540 | "Send STRINGS to server and wait until WAIT-FOR returns." | |
| 23f87bed MB |
541 | (let* ((command (mapconcat 'identity strings " ")) |
| 542 | (process (nntp-find-connection nntp-server-buffer)) | |
| 543 | (buffer (and process (process-buffer process))) | |
| 544 | (pos (and buffer (with-current-buffer buffer (point))))) | |
| 545 | (if process | |
| 546 | (prog1 | |
| 547 | (nntp-retrieve-data command | |
| 548 | nntp-address nntp-port-number | |
| 549 | nntp-server-buffer | |
| 550 | wait-for nnheader-callback-function) | |
| 551 | ;; If nothing to wait for, still remove possibly echo'ed commands | |
| 552 | (unless wait-for | |
| 553 | (nntp-accept-response) | |
| ed075cb4 | 554 | (with-current-buffer buffer |
| 23f87bed MB |
555 | (goto-char pos) |
| 556 | (if (looking-at (regexp-quote command)) | |
| 557 | (delete-region pos (progn (forward-line 1) | |
| 01c52d31 | 558 | (point-at-bol))))))) |
| 23f87bed MB |
559 | (nnheader-report 'nntp "Couldn't open connection to %s." |
| 560 | nntp-address)))) | |
| eec82323 LMI |
561 | |
| 562 | (defun nntp-send-command-and-decode (wait-for &rest strings) | |
| 563 | "Send STRINGS to server and wait until WAIT-FOR returns." | |
| 564 | (when (and (not nnheader-callback-function) | |
| 565 | (not nntp-inhibit-output)) | |
| 01c52d31 | 566 | (nntp-erase-buffer nntp-server-buffer)) |
| 23f87bed MB |
567 | (let* ((command (mapconcat 'identity strings " ")) |
| 568 | (process (nntp-find-connection nntp-server-buffer)) | |
| 569 | (buffer (and process (process-buffer process))) | |
| 570 | (pos (and buffer (with-current-buffer buffer (point))))) | |
| 571 | (if process | |
| 572 | (prog1 | |
| 573 | (nntp-retrieve-data command | |
| 574 | nntp-address nntp-port-number | |
| 575 | nntp-server-buffer | |
| 576 | wait-for nnheader-callback-function t) | |
| 577 | ;; If nothing to wait for, still remove possibly echo'ed commands | |
| 578 | (unless wait-for | |
| 579 | (nntp-accept-response) | |
| ed075cb4 | 580 | (with-current-buffer buffer |
| 01c52d31 MB |
581 | (goto-char pos) |
| 582 | (if (looking-at (regexp-quote command)) | |
| 583 | (delete-region pos (progn (forward-line 1) (point-at-bol)))) | |
| 584 | ))) | |
| 23f87bed MB |
585 | (nnheader-report 'nntp "Couldn't open connection to %s." |
| 586 | nntp-address)))) | |
| 587 | ||
| eec82323 LMI |
588 | |
| 589 | (defun nntp-send-buffer (wait-for) | |
| 590 | "Send the current buffer to server and wait until WAIT-FOR returns." | |
| 591 | (when (and (not nnheader-callback-function) | |
| 592 | (not nntp-inhibit-output)) | |
| 01c52d31 MB |
593 | (nntp-erase-buffer |
| 594 | (nntp-find-connection-buffer nntp-server-buffer))) | |
| eec82323 | 595 | (nntp-encode-text) |
| ed075cb4 SM |
596 | ;; Make sure we did not forget to encode some of the content. |
| 597 | (assert (save-excursion (goto-char (point-min)) | |
| 598 | (not (re-search-forward "[^\000-\377]" nil t)))) | |
| 599 | (mm-disable-multibyte) | |
| 600 | (process-send-region (nntp-find-connection nntp-server-buffer) | |
| 601 | (point-min) (point-max)) | |
| eec82323 LMI |
602 | (nntp-retrieve-data |
| 603 | nil nntp-address nntp-port-number nntp-server-buffer | |
| 604 | wait-for nnheader-callback-function)) | |
| 605 | ||
| 606 | \f | |
| 607 | ||
| 608 | ;;; Interface functions. | |
| 609 | ||
| 610 | (nnoo-define-basics nntp) | |
| 611 | ||
| 6748645f LMI |
612 | (defsubst nntp-next-result-arrived-p () |
| 613 | (cond | |
| 614 | ;; A result that starts with a 2xx code is terminated by | |
| 615 | ;; a line with only a "." on it. | |
| 16409b0b | 616 | ((eq (char-after) ?2) |
| 6748645f | 617 | (if (re-search-forward "\n\\.\r?\n" nil t) |
| 01c52d31 MB |
618 | (progn |
| 619 | ;; Some broken news servers add another dot at the end. | |
| 620 | ;; Protect against inflooping there. | |
| 621 | (while (looking-at "^\\.\r?\n") | |
| 622 | (forward-line 1)) | |
| 623 | t) | |
| 6748645f LMI |
624 | nil)) |
| 625 | ;; A result that starts with a 3xx or 4xx code is terminated | |
| 626 | ;; by a newline. | |
| 627 | ((looking-at "[34]") | |
| 628 | (if (search-forward "\n" nil t) | |
| 629 | t | |
| 630 | nil)) | |
| 631 | ;; No result here. | |
| 632 | (t | |
| 633 | nil))) | |
| 634 | ||
| 23f87bed MB |
635 | (eval-when-compile |
| 636 | (defvar nntp-with-open-group-internal nil) | |
| 637 | (defvar nntp-report-n nil)) | |
| 638 | ||
| ed075cb4 SM |
639 | (defun nntp-with-open-group-function (-group -server -connectionless -bodyfun) |
| 640 | "Protect against servers that don't like clients that keep idle connections opens. | |
| 641 | The problem being that these servers may either close a connection or | |
| 642 | simply ignore any further requests on a connection. Closed | |
| 643 | connections are not detected until `accept-process-output' has updated | |
| 644 | the `process-status'. Dropped connections are not detected until the | |
| 645 | connection timeouts (which may be several minutes) or | |
| 646 | `nntp-connection-timeout' has expired. When these occur | |
| 647 | `nntp-with-open-group', opens a new connection then re-issues the NNTP | |
| 648 | command whose response triggered the error." | |
| 649 | (letf ((nntp-report-n (symbol-function 'nntp-report)) | |
| 650 | ((symbol-function 'nntp-report) (symbol-function 'nntp-report-1)) | |
| 651 | (nntp-with-open-group-internal nil)) | |
| 652 | (while (catch 'nntp-with-open-group-error | |
| 653 | ;; Open the connection to the server | |
| 654 | ;; NOTE: Existing connections are NOT tested. | |
| 655 | (nntp-possibly-change-group -group -server -connectionless) | |
| 656 | ||
| 657 | (let ((-timer | |
| 658 | (and nntp-connection-timeout | |
| 659 | (run-at-time | |
| 660 | nntp-connection-timeout nil | |
| 661 | (lambda () | |
| 662 | (let* ((-process (nntp-find-connection | |
| 663 | nntp-server-buffer)) | |
| 664 | (-buffer (and -process | |
| 665 | (process-buffer -process)))) | |
| 666 | ;; When I an able to identify the | |
| 667 | ;; connection to the server AND I've | |
| 668 | ;; received NO reponse for | |
| 669 | ;; nntp-connection-timeout seconds. | |
| 670 | (when (and -buffer (eq 0 (buffer-size -buffer))) | |
| 671 | ;; Close the connection. Take no | |
| 672 | ;; other action as the accept input | |
| 673 | ;; code will handle the closed | |
| 674 | ;; connection. | |
| 675 | (nntp-kill-buffer -buffer)))))))) | |
| 676 | (unwind-protect | |
| 677 | (setq nntp-with-open-group-internal | |
| 678 | (condition-case nil | |
| 679 | (funcall -bodyfun) | |
| 680 | (quit | |
| 681 | (unless debug-on-quit | |
| 682 | (nntp-close-server)) | |
| 683 | (signal 'quit nil)))) | |
| 684 | (when -timer | |
| 685 | (nnheader-cancel-timer -timer))) | |
| 686 | nil)) | |
| 687 | (setf (symbol-function 'nntp-report) nntp-report-n)) | |
| 688 | nntp-with-open-group-internal)) | |
| 689 | ||
| 23f87bed MB |
690 | (defmacro nntp-with-open-group (group server &optional connectionless &rest forms) |
| 691 | "Protect against servers that don't like clients that keep idle connections opens. | |
| 692 | The problem being that these servers may either close a connection or | |
| 693 | simply ignore any further requests on a connection. Closed | |
| ed075cb4 SM |
694 | connections are not detected until `accept-process-output' has updated |
| 695 | the `process-status'. Dropped connections are not detected until the | |
| 23f87bed | 696 | connection timeouts (which may be several minutes) or |
| ed075cb4 SM |
697 | `nntp-connection-timeout' has expired. When these occur |
| 698 | `nntp-with-open-group', opens a new connection then re-issues the NNTP | |
| 23f87bed | 699 | command whose response triggered the error." |
| ed075cb4 | 700 | (declare (indent 2) (debug (form form [&optional symbolp] def-body))) |
| 23f87bed MB |
701 | (when (and (listp connectionless) |
| 702 | (not (eq connectionless nil))) | |
| 703 | (setq forms (cons connectionless forms) | |
| 704 | connectionless nil)) | |
| ed075cb4 | 705 | `(nntp-with-open-group-function ,group ,server ,connectionless (lambda () ,@forms))) |
| 23f87bed | 706 | |
| eec82323 LMI |
707 | (deffoo nntp-retrieve-headers (articles &optional group server fetch-old) |
| 708 | "Retrieve the headers of ARTICLES." | |
| 23f87bed MB |
709 | (nntp-with-open-group |
| 710 | group server | |
| ed075cb4 | 711 | (with-current-buffer (nntp-find-connection-buffer nntp-server-buffer) |
| 23f87bed MB |
712 | (erase-buffer) |
| 713 | (if (and (not gnus-nov-is-evil) | |
| 714 | (not nntp-nov-is-evil) | |
| 715 | (nntp-retrieve-headers-with-xover articles fetch-old)) | |
| 716 | ;; We successfully retrieved the headers via XOVER. | |
| 717 | 'nov | |
| 718 | ;; XOVER didn't work, so we do it the hard, slow and inefficient | |
| 719 | ;; way. | |
| 720 | (let ((number (length articles)) | |
| 721 | (articles articles) | |
| 722 | (count 0) | |
| 723 | (received 0) | |
| 724 | (last-point (point-min)) | |
| 725 | (buf (nntp-find-connection-buffer nntp-server-buffer)) | |
| 726 | (nntp-inhibit-erase t) | |
| 727 | article) | |
| 728 | ;; Send HEAD commands. | |
| 729 | (while (setq article (pop articles)) | |
| 730 | (nntp-send-command | |
| 731 | nil | |
| 732 | "HEAD" (if (numberp article) | |
| 733 | (int-to-string article) | |
| 734 | ;; `articles' is either a list of article numbers | |
| 735 | ;; or a list of article IDs. | |
| 736 | article)) | |
| 737 | (incf count) | |
| 738 | ;; Every 400 requests we have to read the stream in | |
| 739 | ;; order to avoid deadlocks. | |
| 740 | (when (or (null articles) ;All requests have been sent. | |
| 741 | (zerop (% count nntp-maximum-request))) | |
| 742 | (nntp-accept-response) | |
| 743 | (while (progn | |
| 744 | (set-buffer buf) | |
| 745 | (goto-char last-point) | |
| 746 | ;; Count replies. | |
| 747 | (while (nntp-next-result-arrived-p) | |
| 748 | (setq last-point (point)) | |
| 749 | (incf received)) | |
| 750 | (< received count)) | |
| 751 | ;; If number of headers is greater than 100, give | |
| 752 | ;; informative messages. | |
| 753 | (and (numberp nntp-large-newsgroup) | |
| 754 | (> number nntp-large-newsgroup) | |
| 755 | (zerop (% received 20)) | |
| 756 | (nnheader-message 6 "NNTP: Receiving headers... %d%%" | |
| 757 | (/ (* received 100) number))) | |
| 758 | (nntp-accept-response)))) | |
| 759 | (and (numberp nntp-large-newsgroup) | |
| 760 | (> number nntp-large-newsgroup) | |
| 761 | (nnheader-message 6 "NNTP: Receiving headers...done")) | |
| 762 | ||
| 763 | ;; Now all of replies are received. Fold continuation lines. | |
| 764 | (nnheader-fold-continuation-lines) | |
| 765 | ;; Remove all "\r"'s. | |
| 766 | (nnheader-strip-cr) | |
| 1428d46b | 767 | (nntp-copy-to-buffer nntp-server-buffer (point-min) (point-max)) |
| 23f87bed | 768 | 'headers))))) |
| eec82323 | 769 | |
| 5415d076 | 770 | (deffoo nntp-retrieve-group-data-early (server infos) |
| 1d88c091 LI |
771 | "Retrieve group info on INFOS." |
| 772 | (nntp-with-open-group nil server | |
| 773 | (when (nntp-find-connection-buffer nntp-server-buffer) | |
| 774 | ;; The first time this is run, this variable is `try'. So we | |
| 775 | ;; try. | |
| 776 | (when (eq nntp-server-list-active-group 'try) | |
| 76b8d9dd LI |
777 | (nntp-try-list-active |
| 778 | (gnus-group-real-name (gnus-info-group (car infos))))) | |
| 1d88c091 LI |
779 | (with-current-buffer (nntp-find-connection-buffer nntp-server-buffer) |
| 780 | (erase-buffer) | |
| 781 | (let ((nntp-inhibit-erase t) | |
| 782 | (command (if nntp-server-list-active-group | |
| 783 | "LIST ACTIVE" "GROUP"))) | |
| 784 | (dolist (info infos) | |
| 785 | (nntp-send-command | |
| 786 | nil command (gnus-group-real-name (gnus-info-group info))))) | |
| 787 | (length infos))))) | |
| 788 | ||
| 5415d076 | 789 | (deffoo nntp-finish-retrieve-group-infos (server infos count) |
| 1d88c091 LI |
790 | (nntp-with-open-group nil server |
| 791 | (let ((buf (nntp-find-connection-buffer nntp-server-buffer)) | |
| 792 | (method (gnus-find-method-for-group | |
| 793 | (gnus-info-group (car infos)) | |
| 794 | (car infos))) | |
| 795 | (received 0) | |
| 796 | (last-point 1)) | |
| 76b8d9dd LI |
797 | (when (and buf |
| 798 | count) | |
| 1d88c091 LI |
799 | (with-current-buffer buf |
| 800 | (while (and (gnus-buffer-live-p buf) | |
| 801 | (progn | |
| 802 | (goto-char last-point) | |
| 803 | ;; Count replies. | |
| 06b840e0 LI |
804 | (while (re-search-forward |
| 805 | (if nntp-server-list-active-group | |
| 806 | "^[.]" | |
| 807 | "^[0-9]") | |
| 808 | nil t) | |
| 1d88c091 LI |
809 | (incf received)) |
| 810 | (setq last-point (point)) | |
| 811 | (< received count))) | |
| 812 | (nntp-accept-response)) | |
| 813 | ;; We now have all the entries. Remove CRs. | |
| 5415d076 | 814 | (nnheader-strip-cr) |
| 1d88c091 LI |
815 | (if (not nntp-server-list-active-group) |
| 816 | (progn | |
| 817 | (nntp-copy-to-buffer nntp-server-buffer | |
| 818 | (point-min) (point-max)) | |
| 819 | (gnus-groups-to-gnus-format method gnus-active-hashtb t)) | |
| 820 | ;; We have read active entries, so we just delete the | |
| 821 | ;; superfluous gunk. | |
| 822 | (goto-char (point-min)) | |
| 823 | (while (re-search-forward "^[.2-5]" nil t) | |
| 824 | (delete-region (match-beginning 0) | |
| 825 | (progn (forward-line 1) (point)))) | |
| 826 | (nntp-copy-to-buffer nntp-server-buffer (point-min) (point-max)) | |
| 5415d076 | 827 | (with-current-buffer nntp-server-buffer |
| 06b840e0 LI |
828 | (gnus-active-to-gnus-format |
| 829 | ;; Kludge to use the extended method name if you have | |
| 830 | ;; an extended one. | |
| 831 | (if (consp (gnus-info-method (car infos))) | |
| 832 | (gnus-info-method (car infos)) | |
| 833 | method) | |
| 834 | gnus-active-hashtb nil t)))))))) | |
| 1d88c091 | 835 | |
| eec82323 LMI |
836 | (deffoo nntp-retrieve-groups (groups &optional server) |
| 837 | "Retrieve group info on GROUPS." | |
| 23f87bed MB |
838 | (nntp-with-open-group |
| 839 | nil server | |
| 840 | (when (nntp-find-connection-buffer nntp-server-buffer) | |
| 841 | (catch 'done | |
| 842 | (save-excursion | |
| 843 | ;; Erase nntp-server-buffer before nntp-inhibit-erase. | |
| 01c52d31 | 844 | (nntp-erase-buffer nntp-server-buffer) |
| 23f87bed MB |
845 | (set-buffer (nntp-find-connection-buffer nntp-server-buffer)) |
| 846 | ;; The first time this is run, this variable is `try'. So we | |
| 847 | ;; try. | |
| 848 | (when (eq nntp-server-list-active-group 'try) | |
| 849 | (nntp-try-list-active (car groups))) | |
| 850 | (erase-buffer) | |
| 851 | (let ((count 0) | |
| 852 | (groups groups) | |
| 853 | (received 0) | |
| 854 | (last-point (point-min)) | |
| 855 | (nntp-inhibit-erase t) | |
| 856 | (buf (nntp-find-connection-buffer nntp-server-buffer)) | |
| 857 | (command (if nntp-server-list-active-group | |
| 858 | "LIST ACTIVE" "GROUP"))) | |
| 859 | (while groups | |
| 860 | ;; Timeout may have killed the buffer. | |
| 861 | (unless (gnus-buffer-live-p buf) | |
| 862 | (nnheader-report 'nntp "Connection to %s is closed." server) | |
| 863 | (throw 'done nil)) | |
| 864 | ;; Send the command to the server. | |
| 865 | (nntp-send-command nil command (pop groups)) | |
| 866 | (incf count) | |
| 867 | ;; Every 400 requests we have to read the stream in | |
| 868 | ;; order to avoid deadlocks. | |
| 869 | (when (or (null groups) ;All requests have been sent. | |
| 870 | (zerop (% count nntp-maximum-request))) | |
| 871 | (nntp-accept-response) | |
| 872 | (while (and (gnus-buffer-live-p buf) | |
| 873 | (progn | |
| 874 | ;; Search `blue moon' in this file for the | |
| 875 | ;; reason why set-buffer here. | |
| 876 | (set-buffer buf) | |
| 877 | (goto-char last-point) | |
| 878 | ;; Count replies. | |
| 879 | (while (re-search-forward "^[0-9]" nil t) | |
| 880 | (incf received)) | |
| 881 | (setq last-point (point)) | |
| 882 | (< received count))) | |
| 883 | (nntp-accept-response)))) | |
| 884 | ||
| 885 | ;; Wait for the reply from the final command. | |
| 886 | (unless (gnus-buffer-live-p buf) | |
| 887 | (nnheader-report 'nntp "Connection to %s is closed." server) | |
| 888 | (throw 'done nil)) | |
| 889 | (set-buffer buf) | |
| 890 | (goto-char (point-max)) | |
| 891 | (re-search-backward "^[0-9]" nil t) | |
| 892 | (when (looking-at "^[23]") | |
| 893 | (while (and (gnus-buffer-live-p buf) | |
| 894 | (progn | |
| 895 | (set-buffer buf) | |
| 896 | (goto-char (point-max)) | |
| 897 | (if (not nntp-server-list-active-group) | |
| 898 | (not (re-search-backward "\r?\n" | |
| 899 | (- (point) 3) t)) | |
| 900 | (not (re-search-backward "^\\.\r?\n" | |
| 901 | (- (point) 4) t))))) | |
| 902 | (nntp-accept-response))) | |
| 903 | ||
| 904 | ;; Now all replies are received. We remove CRs. | |
| 905 | (unless (gnus-buffer-live-p buf) | |
| 906 | (nnheader-report 'nntp "Connection to %s is closed." server) | |
| 907 | (throw 'done nil)) | |
| 908 | (set-buffer buf) | |
| 909 | (goto-char (point-min)) | |
| 910 | (while (search-forward "\r" nil t) | |
| 911 | (replace-match "" t t)) | |
| 912 | ||
| 913 | (if (not nntp-server-list-active-group) | |
| 914 | (progn | |
| 1428d46b MB |
915 | (nntp-copy-to-buffer nntp-server-buffer |
| 916 | (point-min) (point-max)) | |
| 23f87bed MB |
917 | 'group) |
| 918 | ;; We have read active entries, so we just delete the | |
| 919 | ;; superfluous gunk. | |
| 920 | (goto-char (point-min)) | |
| 921 | (while (re-search-forward "^[.2-5]" nil t) | |
| 922 | (delete-region (match-beginning 0) | |
| 923 | (progn (forward-line 1) (point)))) | |
| 1428d46b | 924 | (nntp-copy-to-buffer nntp-server-buffer (point-min) (point-max)) |
| 23f87bed | 925 | 'active))))))) |
| eec82323 LMI |
926 | |
| 927 | (deffoo nntp-retrieve-articles (articles &optional group server) | |
| 23f87bed MB |
928 | (nntp-with-open-group |
| 929 | group server | |
| 930 | (save-excursion | |
| 931 | (let ((number (length articles)) | |
| 932 | (articles articles) | |
| 933 | (count 0) | |
| 934 | (received 0) | |
| 935 | (last-point (point-min)) | |
| 936 | (buf (nntp-find-connection-buffer nntp-server-buffer)) | |
| 937 | (nntp-inhibit-erase t) | |
| 938 | (map (apply 'vector articles)) | |
| 939 | (point 1) | |
| 940 | article) | |
| 941 | (set-buffer buf) | |
| 942 | (erase-buffer) | |
| 943 | ;; Send ARTICLE command. | |
| 944 | (while (setq article (pop articles)) | |
| 945 | (nntp-send-command | |
| 946 | nil | |
| 947 | "ARTICLE" (if (numberp article) | |
| 948 | (int-to-string article) | |
| 949 | ;; `articles' is either a list of article numbers | |
| 950 | ;; or a list of article IDs. | |
| 951 | article)) | |
| 952 | (incf count) | |
| 953 | ;; Every 400 requests we have to read the stream in | |
| 954 | ;; order to avoid deadlocks. | |
| 955 | (when (or (null articles) ;All requests have been sent. | |
| 956 | (zerop (% count nntp-maximum-request))) | |
| 957 | (nntp-accept-response) | |
| 958 | (while (progn | |
| 959 | (set-buffer buf) | |
| 960 | (goto-char last-point) | |
| 961 | ;; Count replies. | |
| 962 | (while (nntp-next-result-arrived-p) | |
| 963 | (aset map received (cons (aref map received) (point))) | |
| 964 | (setq last-point (point)) | |
| 965 | (incf received)) | |
| 966 | (< received count)) | |
| 967 | ;; If number of headers is greater than 100, give | |
| 968 | ;; informative messages. | |
| 969 | (and (numberp nntp-large-newsgroup) | |
| 970 | (> number nntp-large-newsgroup) | |
| 971 | (zerop (% received 20)) | |
| 972 | (nnheader-message 6 "NNTP: Receiving articles... %d%%" | |
| 973 | (/ (* received 100) number))) | |
| 974 | (nntp-accept-response)))) | |
| 975 | (and (numberp nntp-large-newsgroup) | |
| 976 | (> number nntp-large-newsgroup) | |
| 977 | (nnheader-message 6 "NNTP: Receiving articles...done")) | |
| 978 | ||
| 979 | ;; Now we have all the responses. We go through the results, | |
| 980 | ;; wash it and copy it over to the server buffer. | |
| 981 | (set-buffer nntp-server-buffer) | |
| 982 | (erase-buffer) | |
| 983 | (setq last-point (point-min)) | |
| 984 | (mapcar | |
| 985 | (lambda (entry) | |
| 986 | (narrow-to-region | |
| 987 | (setq point (goto-char (point-max))) | |
| 988 | (progn | |
| 9f5e78f7 | 989 | (nnheader-insert-buffer-substring buf last-point (cdr entry)) |
| 23f87bed MB |
990 | (point-max))) |
| 991 | (setq last-point (cdr entry)) | |
| 992 | (nntp-decode-text) | |
| 993 | (widen) | |
| 994 | (cons (car entry) point)) | |
| 995 | map))))) | |
| eec82323 | 996 | |
| eec82323 LMI |
997 | (defun nntp-try-list-active (group) |
| 998 | (nntp-list-active-group group) | |
| ed075cb4 | 999 | (with-current-buffer nntp-server-buffer |
| eec82323 LMI |
1000 | (goto-char (point-min)) |
| 1001 | (cond ((or (eobp) | |
| 1002 | (looking-at "5[0-9]+")) | |
| 1003 | (setq nntp-server-list-active-group nil)) | |
| 1004 | (t | |
| 1005 | (setq nntp-server-list-active-group t))))) | |
| 1006 | ||
| 1007 | (deffoo nntp-list-active-group (group &optional server) | |
| 16409b0b | 1008 | "Return the active info on GROUP (which can be a regexp)." |
| 23f87bed MB |
1009 | (nntp-with-open-group |
| 1010 | nil server | |
| 1011 | (nntp-send-command "^\\.*\r?\n" "LIST ACTIVE" group))) | |
| 16409b0b GM |
1012 | |
| 1013 | (deffoo nntp-request-group-articles (group &optional server) | |
| 1014 | "Return the list of existing articles in GROUP." | |
| 23f87bed MB |
1015 | (nntp-with-open-group |
| 1016 | nil server | |
| 1017 | (nntp-send-command "^\\.*\r?\n" "LISTGROUP" group))) | |
| eec82323 LMI |
1018 | |
| 1019 | (deffoo nntp-request-article (article &optional group server buffer command) | |
| 23f87bed | 1020 | (nntp-with-open-group |
| b87f32fc | 1021 | group server |
| 23f87bed MB |
1022 | (when (nntp-send-command-and-decode |
| 1023 | "\r?\n\\.\r?\n" "ARTICLE" | |
| 1024 | (if (numberp article) (int-to-string article) article)) | |
| b87f32fc G |
1025 | (when (and buffer |
| 1026 | (not (equal buffer nntp-server-buffer))) | |
| 1027 | (with-current-buffer nntp-server-buffer | |
| 1028 | (copy-to-buffer buffer (point-min) (point-max)))) | |
| 1029 | (nntp-find-group-and-number group)))) | |
| eec82323 LMI |
1030 | |
| 1031 | (deffoo nntp-request-head (article &optional group server) | |
| 23f87bed MB |
1032 | (nntp-with-open-group |
| 1033 | group server | |
| 1034 | (when (nntp-send-command | |
| 1035 | "\r?\n\\.\r?\n" "HEAD" | |
| 1036 | (if (numberp article) (int-to-string article) article)) | |
| 1037 | (prog1 | |
| 1038 | (nntp-find-group-and-number group) | |
| 1039 | (nntp-decode-text))))) | |
| eec82323 LMI |
1040 | |
| 1041 | (deffoo nntp-request-body (article &optional group server) | |
| 23f87bed MB |
1042 | (nntp-with-open-group |
| 1043 | group server | |
| 1044 | (nntp-send-command-and-decode | |
| 1045 | "\r?\n\\.\r?\n" "BODY" | |
| 1046 | (if (numberp article) (int-to-string article) article)))) | |
| eec82323 | 1047 | |
| 286c4fc2 | 1048 | (deffoo nntp-request-group (group &optional server dont-check info) |
| e84b4b86 | 1049 | (nntp-with-open-group |
| 23f87bed MB |
1050 | nil server |
| 1051 | (when (nntp-send-command "^[245].*\n" "GROUP" group) | |
| 1052 | (let ((entry (nntp-find-connection-entry nntp-server-buffer))) | |
| 1053 | (setcar (cddr entry) group))))) | |
| eec82323 LMI |
1054 | |
| 1055 | (deffoo nntp-close-group (group &optional server) | |
| 1056 | t) | |
| 1057 | ||
| 1058 | (deffoo nntp-server-opened (&optional server) | |
| 1059 | "Say whether a connection to SERVER has been opened." | |
| 1060 | (and (nnoo-current-server-p 'nntp server) | |
| 1061 | nntp-server-buffer | |
| 1062 | (gnus-buffer-live-p nntp-server-buffer) | |
| 1063 | (nntp-find-connection nntp-server-buffer))) | |
| 1064 | ||
| 1065 | (deffoo nntp-open-server (server &optional defs connectionless) | |
| 1066 | (nnheader-init-server-buffer) | |
| 1067 | (if (nntp-server-opened server) | |
| 1068 | t | |
| 1069 | (when (or (stringp (car defs)) | |
| 1070 | (numberp (car defs))) | |
| 1071 | (setq defs (cons (list 'nntp-port-number (car defs)) (cdr defs)))) | |
| 1072 | (unless (assq 'nntp-address defs) | |
| 1073 | (setq defs (append defs (list (list 'nntp-address server))))) | |
| 1074 | (nnoo-change-server 'nntp server defs) | |
| 20a673b2 KY |
1075 | (if connectionless |
| 1076 | t | |
| eec82323 LMI |
1077 | (or (nntp-find-connection nntp-server-buffer) |
| 1078 | (nntp-open-connection nntp-server-buffer))))) | |
| 1079 | ||
| 1080 | (deffoo nntp-close-server (&optional server) | |
| 1081 | (nntp-possibly-change-group nil server t) | |
| 6748645f LMI |
1082 | (let ((process (nntp-find-connection nntp-server-buffer))) |
| 1083 | (while process | |
| eec82323 | 1084 | (when (memq (process-status process) '(open run)) |
| 6748645f LMI |
1085 | (ignore-errors |
| 1086 | (nntp-send-string process "QUIT") | |
| 1087 | (unless (eq nntp-open-connection-function 'nntp-open-network-stream) | |
| 1088 | ;; Ok, this is evil, but when using telnet and stuff | |
| 1089 | ;; as the connection method, it's important that the | |
| 1090 | ;; QUIT command actually is sent out before we kill | |
| 1091 | ;; the process. | |
| 1092 | (sleep-for 1)))) | |
| 16409b0b | 1093 | (nntp-kill-buffer (process-buffer process)) |
| 6748645f | 1094 | (setq process (car (pop nntp-connection-alist)))) |
| eec82323 LMI |
1095 | (nnoo-close-server 'nntp))) |
| 1096 | ||
| 1097 | (deffoo nntp-request-close () | |
| 1098 | (let (process) | |
| 1099 | (while (setq process (pop nntp-connection-list)) | |
| 1100 | (when (memq (process-status process) '(open run)) | |
| eec82323 | 1101 | (ignore-errors |
| 6748645f LMI |
1102 | (nntp-send-string process "QUIT") |
| 1103 | (unless (eq nntp-open-connection-function 'nntp-open-network-stream) | |
| 1104 | ;; Ok, this is evil, but when using telnet and stuff | |
| 1105 | ;; as the connection method, it's important that the | |
| 1106 | ;; QUIT command actually is sent out before we kill | |
| 1107 | ;; the process. | |
| 1108 | (sleep-for 1)))) | |
| 16409b0b | 1109 | (nntp-kill-buffer (process-buffer process))))) |
| eec82323 LMI |
1110 | |
| 1111 | (deffoo nntp-request-list (&optional server) | |
| 23f87bed MB |
1112 | (nntp-with-open-group |
| 1113 | nil server | |
| 1114 | (nntp-send-command-and-decode "\r?\n\\.\r?\n" "LIST"))) | |
| eec82323 LMI |
1115 | |
| 1116 | (deffoo nntp-request-list-newsgroups (&optional server) | |
| 23f87bed MB |
1117 | (nntp-with-open-group |
| 1118 | nil server | |
| 1119 | (nntp-send-command "\r?\n\\.\r?\n" "LIST NEWSGROUPS"))) | |
| eec82323 LMI |
1120 | |
| 1121 | (deffoo nntp-request-newgroups (date &optional server) | |
| 23f87bed MB |
1122 | (nntp-with-open-group |
| 1123 | nil server | |
| ed075cb4 | 1124 | (with-current-buffer nntp-server-buffer |
| 23f87bed MB |
1125 | (let* ((time (date-to-time date)) |
| 1126 | (ls (- (cadr time) (nth 8 (decode-time time))))) | |
| 1127 | (cond ((< ls 0) | |
| 1128 | (setcar time (1- (car time))) | |
| 1129 | (setcar (cdr time) (+ ls 65536))) | |
| 1130 | ((>= ls 65536) | |
| 1131 | (setcar time (1+ (car time))) | |
| 1132 | (setcar (cdr time) (- ls 65536))) | |
| 1133 | (t | |
| 1134 | (setcar (cdr time) ls))) | |
| 1135 | (prog1 | |
| 1136 | (nntp-send-command | |
| 1137 | "^\\.\r?\n" "NEWGROUPS" | |
| 1138 | (format-time-string "%y%m%d %H%M%S" time) | |
| 1139 | "GMT") | |
| 1140 | (nntp-decode-text)))))) | |
| eec82323 LMI |
1141 | |
| 1142 | (deffoo nntp-request-post (&optional server) | |
| 23f87bed MB |
1143 | (nntp-with-open-group |
| 1144 | nil server | |
| 1145 | (when (nntp-send-command "^[23].*\r?\n" "POST") | |
| 1146 | (let ((response (with-current-buffer nntp-server-buffer | |
| 1147 | nntp-process-response)) | |
| 1148 | server-id) | |
| 1149 | (when (and response | |
| 1150 | (string-match "^[23].*\\(<[^\t\n @<>]+@[^\t\n @<>]+>\\)" | |
| 1151 | response)) | |
| 1152 | (setq server-id (match-string 1 response)) | |
| 1153 | (narrow-to-region (goto-char (point-min)) | |
| 1154 | (if (search-forward "\n\n" nil t) | |
| 1155 | (1- (point)) | |
| 1156 | (point-max))) | |
| 1157 | (unless (mail-fetch-field "Message-ID") | |
| 1158 | (goto-char (point-min)) | |
| 1159 | (insert "Message-ID: " server-id "\n")) | |
| 1160 | (widen)) | |
| 1161 | (run-hooks 'nntp-prepare-post-hook) | |
| 1162 | (nntp-send-buffer "^[23].*\n"))))) | |
| eec82323 LMI |
1163 | |
| 1164 | (deffoo nntp-request-type (group article) | |
| 1165 | 'news) | |
| 1166 | ||
| 1167 | (deffoo nntp-asynchronous-p () | |
| 1168 | t) | |
| 1169 | ||
| 01c52d31 | 1170 | (deffoo nntp-request-set-mark (group actions &optional server) |
| a93b858c LMI |
1171 | (when (and (not nntp-marks-is-evil) |
| 1172 | nntp-marks-file-name) | |
| 01c52d31 MB |
1173 | (nntp-possibly-create-directory group server) |
| 1174 | (nntp-open-marks group server) | |
| 5f285722 | 1175 | (setq nntp-marks (nnheader-update-marks-actions nntp-marks actions)) |
| 01c52d31 MB |
1176 | (nntp-save-marks group server)) |
| 1177 | nil) | |
| 1178 | ||
| b1ae92ba | 1179 | (deffoo nntp-request-marks (group info &optional server) |
| a93b858c LMI |
1180 | (when (and (not nntp-marks-is-evil) |
| 1181 | nntp-marks-file-name) | |
| 01c52d31 MB |
1182 | (nntp-possibly-create-directory group server) |
| 1183 | (when (nntp-marks-changed-p group server) | |
| 1184 | (nnheader-message 8 "Updating marks for %s..." group) | |
| 1185 | (nntp-open-marks group server) | |
| 1186 | ;; Update info using `nntp-marks'. | |
| 1187 | (mapc (lambda (pred) | |
| 1188 | (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists) | |
| 1189 | (gnus-info-set-marks | |
| 1190 | info | |
| 1191 | (gnus-update-alist-soft | |
| 1192 | (cdr pred) | |
| 1193 | (cdr (assq (cdr pred) nntp-marks)) | |
| 1194 | (gnus-info-marks info)) | |
| 1195 | t))) | |
| 1196 | gnus-article-mark-lists) | |
| 1197 | (let ((seen (cdr (assq 'read nntp-marks)))) | |
| 1198 | (gnus-info-set-read info | |
| 1199 | (if (and (integerp (car seen)) | |
| 1200 | (null (cdr seen))) | |
| 1201 | (list (cons (car seen) (car seen))) | |
| 1202 | seen))) | |
| 1203 | (nnheader-message 8 "Updating marks for %s...done" group))) | |
| 1204 | nil) | |
| 1205 | ||
| 1206 | ||
| 1207 | ||
| eec82323 LMI |
1208 | ;;; Hooky functions. |
| 1209 | ||
| 1210 | (defun nntp-send-mode-reader () | |
| 1211 | "Send the MODE READER command to the nntp server. | |
| 1212 | This function is supposed to be called from `nntp-server-opened-hook'. | |
| 1213 | It will make innd servers spawn an nnrpd process to allow actual article | |
| 1214 | reading." | |
| 16409b0b | 1215 | (nntp-send-command "^.*\n" "MODE READER")) |
| eec82323 | 1216 | |
| c8ccffb1 | 1217 | (declare-function netrc-parse "netrc" (&optional file)) |
| aa8f8277 GM |
1218 | (declare-function netrc-machine "netrc" |
| 1219 | (list machine &optional port defaultport)) | |
| 1220 | (declare-function netrc-get "netrc" (alist type)) | |
| 1221 | ||
| 6748645f | 1222 | (defun nntp-send-authinfo (&optional send-if-force) |
| eec82323 | 1223 | "Send the AUTHINFO to the nntp server. |
| 6748645f LMI |
1224 | It will look in the \"~/.authinfo\" file for matching entries. If |
| 1225 | nothing suitable is found there, it will prompt for a user name | |
| 1226 | and a password. | |
| 1227 | ||
| 1228 | If SEND-IF-FORCE, only send authinfo to the server if the | |
| 1229 | .authinfo file has the FORCE token." | |
| aa8f8277 | 1230 | (require 'netrc) |
| 01c52d31 MB |
1231 | (let* ((list (netrc-parse nntp-authinfo-file)) |
| 1232 | (alist (netrc-machine list nntp-address "nntp")) | |
| b8e0f0cd G |
1233 | (auth-info |
| 1234 | (nth 0 (auth-source-search :max 1 | |
| 1235 | ;; TODO: allow the virtual server name too | |
| 1236 | :host nntp-address | |
| 1237 | :port '("119" "nntp")))) | |
| 1238 | (auth-user (plist-get auth-info :user)) | |
| 638f517c | 1239 | (auth-force (plist-get auth-info :force)) |
| b8e0f0cd G |
1240 | (auth-passwd (plist-get auth-info :secret)) |
| 1241 | (auth-passwd (if (functionp auth-passwd) | |
| 1242 | (funcall auth-passwd) | |
| 1243 | auth-passwd)) | |
| 638f517c TZ |
1244 | (force (or (netrc-get alist "force") |
| 1245 | nntp-authinfo-force | |
| 1246 | auth-force)) | |
| 8abf1b22 | 1247 | (user (or |
| e952b711 | 1248 | ;; this is preferred to netrc-* |
| 3b36c17e | 1249 | auth-user |
| 8abf1b22 | 1250 | (netrc-get alist "login") |
| e952b711 MB |
1251 | nntp-authinfo-user)) |
| 1252 | (passwd (or | |
| 1253 | ;; this is preferred to netrc-* | |
| 3b36c17e | 1254 | auth-passwd |
| e952b711 | 1255 | (netrc-get alist "password")))) |
| 6748645f LMI |
1256 | (when (or (not send-if-force) |
| 1257 | force) | |
| 1258 | (unless user | |
| 1259 | (setq user (read-string (format "NNTP (%s) user name: " nntp-address)) | |
| 1260 | nntp-authinfo-user user)) | |
| 1261 | (unless (member user '(nil "")) | |
| 1262 | (nntp-send-command "^3.*\r?\n" "AUTHINFO USER" user) | |
| 1263 | (when t ;???Should check if AUTHINFO succeeded | |
| 16409b0b GM |
1264 | (nntp-send-command |
| 1265 | "^2.*\r?\n" "AUTHINFO PASS" | |
| 1266 | (or passwd | |
| 1267 | nntp-authinfo-password | |
| 1268 | (setq nntp-authinfo-password | |
| 23f87bed MB |
1269 | (read-passwd (format "NNTP (%s@%s) password: " |
| 1270 | user nntp-address)))))))))) | |
| 6748645f LMI |
1271 | |
| 1272 | (defun nntp-send-nosy-authinfo () | |
| 1273 | "Send the AUTHINFO to the nntp server." | |
| 1274 | (let ((user (read-string (format "NNTP (%s) user name: " nntp-address)))) | |
| 1275 | (unless (member user '(nil "")) | |
| 1276 | (nntp-send-command "^3.*\r?\n" "AUTHINFO USER" user) | |
| 1277 | (when t ;???Should check if AUTHINFO succeeded | |
| 1278 | (nntp-send-command "^2.*\r?\n" "AUTHINFO PASS" | |
| 23f87bed MB |
1279 | (read-passwd (format "NNTP (%s@%s) password: " |
| 1280 | user nntp-address))))))) | |
| eec82323 LMI |
1281 | |
| 1282 | (defun nntp-send-authinfo-from-file () | |
| 1283 | "Send the AUTHINFO to the nntp server. | |
| 6748645f LMI |
1284 | |
| 1285 | The authinfo login name is taken from the user's login name and the | |
| 1286 | password contained in '~/.nntp-authinfo'." | |
| eec82323 | 1287 | (when (file-exists-p "~/.nntp-authinfo") |
| 16409b0b | 1288 | (with-temp-buffer |
| eec82323 LMI |
1289 | (insert-file-contents "~/.nntp-authinfo") |
| 1290 | (goto-char (point-min)) | |
| 6748645f | 1291 | (nntp-send-command "^3.*\r?\n" "AUTHINFO USER" (user-login-name)) |
| eec82323 | 1292 | (nntp-send-command |
| 6748645f | 1293 | "^2.*\r?\n" "AUTHINFO PASS" |
| 01c52d31 | 1294 | (buffer-substring (point) (point-at-eol)))))) |
| eec82323 LMI |
1295 | |
| 1296 | ;;; Internal functions. | |
| 1297 | ||
| 6748645f LMI |
1298 | (defun nntp-handle-authinfo (process) |
| 1299 | "Take care of an authinfo response from the server." | |
| 1300 | (let ((last nntp-last-command)) | |
| 1301 | (funcall nntp-authinfo-function) | |
| 1302 | ;; We have to re-send the function that was interrupted by | |
| 1303 | ;; the authinfo request. | |
| 01c52d31 | 1304 | (nntp-erase-buffer nntp-server-buffer) |
| 6748645f LMI |
1305 | (nntp-send-string process last))) |
| 1306 | ||
| eec82323 LMI |
1307 | (defun nntp-make-process-buffer (buffer) |
| 1308 | "Create a new, fresh buffer usable for nntp process connections." | |
| ed075cb4 SM |
1309 | (with-current-buffer |
| 1310 | (generate-new-buffer | |
| 1311 | (format " *server %s %s %s*" | |
| 1312 | nntp-address nntp-port-number | |
| 1313 | (gnus-buffer-exists-p buffer))) | |
| 1428d46b | 1314 | (mm-disable-multibyte) |
| eec82323 LMI |
1315 | (set (make-local-variable 'after-change-functions) nil) |
| 1316 | (set (make-local-variable 'nntp-process-wait-for) nil) | |
| 1317 | (set (make-local-variable 'nntp-process-callback) nil) | |
| 1318 | (set (make-local-variable 'nntp-process-to-buffer) nil) | |
| 1319 | (set (make-local-variable 'nntp-process-start-point) nil) | |
| 1320 | (set (make-local-variable 'nntp-process-decode) nil) | |
| 1321 | (current-buffer))) | |
| 1322 | ||
| 1323 | (defun nntp-open-connection (buffer) | |
| 1324 | "Open a connection to PORT on ADDRESS delivering output to BUFFER." | |
| 1325 | (run-hooks 'nntp-prepare-server-hook) | |
| 1326 | (let* ((pbuffer (nntp-make-process-buffer buffer)) | |
| 6748645f LMI |
1327 | (timer |
| 1328 | (and nntp-connection-timeout | |
| 01c52d31 | 1329 | (run-at-time |
| 6748645f LMI |
1330 | nntp-connection-timeout nil |
| 1331 | `(lambda () | |
| 16409b0b | 1332 | (nntp-kill-buffer ,pbuffer))))) |
| eec82323 | 1333 | (process |
| ed797193 | 1334 | (condition-case err |
| ccaab511 | 1335 | (let ((coding-system-for-read nntp-coding-system-for-read) |
| ed797193 | 1336 | (coding-system-for-write nntp-coding-system-for-write) |
| e742e117 CY |
1337 | (map '((nntp-open-network-stream network) |
| 1338 | (network-only plain) ; compat | |
| 1339 | (nntp-open-plain-stream plain) | |
| ed797193 G |
1340 | (nntp-open-ssl-stream tls) |
| 1341 | (nntp-open-tls-stream tls)))) | |
| 1342 | (if (assoc nntp-open-connection-function map) | |
| f2eefd24 CY |
1343 | (open-protocol-stream |
| 1344 | "nntpd" pbuffer nntp-address nntp-port-number | |
| e742e117 | 1345 | :type (cadr (assoc nntp-open-connection-function map)) |
| f2eefd24 CY |
1346 | :end-of-command "^\\([2345]\\|[.]\\).*\n" |
| 1347 | :capability-command "CAPABILITIES\r\n" | |
| 1348 | :success "^3" | |
| 1349 | :starttls-function | |
| 1350 | (lambda (capabilities) | |
| 1351 | (if (not (string-match "STARTTLS" capabilities)) | |
| 1352 | nil | |
| 1353 | "STARTTLS\r\n"))) | |
| ed797193 G |
1354 | (funcall nntp-open-connection-function pbuffer))) |
| 1355 | (error | |
| f2eefd24 | 1356 | (nnheader-report 'nntp ">>> %s" err)) |
| 2eebe218 | 1357 | (quit |
| 01c52d31 | 1358 | (message "Quit opening connection to %s" nntp-address) |
| 2eebe218 DL |
1359 | (nntp-kill-buffer pbuffer) |
| 1360 | (signal 'quit nil) | |
| 1361 | nil)))) | |
| 6748645f LMI |
1362 | (when timer |
| 1363 | (nnheader-cancel-timer timer)) | |
| f2eefd24 CY |
1364 | (when (and process |
| 1365 | (not (memq (process-status process) '(open run)))) | |
| 1366 | (setq process nil)) | |
| 23f87bed MB |
1367 | (unless process |
| 1368 | (nntp-kill-buffer pbuffer)) | |
| 6748645f LMI |
1369 | (when (and (buffer-name pbuffer) |
| 1370 | process) | |
| 7887e229 KY |
1371 | (when (and (fboundp 'set-network-process-option) ;; Unavailable in XEmacs. |
| 1372 | (fboundp 'process-type) ;; Emacs 22 doesn't provide it. | |
| 68b5d5ee SM |
1373 | (eq (process-type process) 'network)) |
| 1374 | ;; Use TCP-keepalive so that connections that pass through a NAT router | |
| 1375 | ;; don't hang when left idle. | |
| 1376 | (set-network-process-option process :keepalive t)) | |
| 4a43ee9b | 1377 | (gnus-set-process-query-on-exit-flag process nil) |
| 23f87bed MB |
1378 | (if (and (nntp-wait-for process "^2.*\n" buffer nil t) |
| 1379 | (memq (process-status process) '(open run))) | |
| eec82323 LMI |
1380 | (prog1 |
| 1381 | (caar (push (list process buffer nil) nntp-connection-alist)) | |
| 1382 | (push process nntp-connection-list) | |
| ed075cb4 | 1383 | (with-current-buffer pbuffer |
| eec82323 LMI |
1384 | (nntp-read-server-type) |
| 1385 | (erase-buffer) | |
| 1386 | (set-buffer nntp-server-buffer) | |
| 1387 | (let ((nnheader-callback-function nil)) | |
| 6748645f LMI |
1388 | (run-hooks 'nntp-server-opened-hook) |
| 1389 | (nntp-send-authinfo t)))) | |
| 16409b0b | 1390 | (nntp-kill-buffer (process-buffer process)) |
| eec82323 LMI |
1391 | nil)))) |
| 1392 | ||
| eec82323 LMI |
1393 | (defun nntp-read-server-type () |
| 1394 | "Find out what the name of the server we have connected to is." | |
| 1395 | ;; Wait for the status string to arrive. | |
| 1396 | (setq nntp-server-type (buffer-string)) | |
| 01c52d31 | 1397 | (let ((case-fold-search t)) |
| eec82323 | 1398 | ;; Run server-specific commands. |
| 01c52d31 | 1399 | (dolist (entry nntp-server-action-alist) |
| eec82323 LMI |
1400 | (when (string-match (car entry) nntp-server-type) |
| 1401 | (if (and (listp (cadr entry)) | |
| 1402 | (not (eq 'lambda (caadr entry)))) | |
| 1403 | (eval (cadr entry)) | |
| 1404 | (funcall (cadr entry))))))) | |
| 1405 | ||
| 16409b0b | 1406 | (defun nntp-async-wait (process wait-for buffer decode callback) |
| ed075cb4 | 1407 | (with-current-buffer (process-buffer process) |
| 16409b0b GM |
1408 | (unless nntp-inside-change-function |
| 1409 | (erase-buffer)) | |
| 1410 | (setq nntp-process-wait-for wait-for | |
| 1411 | nntp-process-to-buffer buffer | |
| 1412 | nntp-process-decode decode | |
| 1413 | nntp-process-callback callback | |
| 1414 | nntp-process-start-point (point-max)) | |
| 6b8382e4 | 1415 | (setq after-change-functions '(nntp-after-change-function)))) |
| 16409b0b GM |
1416 | |
| 1417 | (defun nntp-async-timer-handler () | |
| 1418 | (mapcar | |
| 1419 | (lambda (proc) | |
| 1420 | (if (memq (process-status proc) '(open run)) | |
| 1421 | (nntp-async-trigger proc) | |
| 1422 | (nntp-async-stop proc))) | |
| 1423 | nntp-async-process-list)) | |
| 1424 | ||
| 1425 | (defun nntp-async-stop (proc) | |
| 1426 | (setq nntp-async-process-list (delq proc nntp-async-process-list)) | |
| 1427 | (when (and nntp-async-timer (not nntp-async-process-list)) | |
| 1428 | (nnheader-cancel-timer nntp-async-timer) | |
| 1429 | (setq nntp-async-timer nil))) | |
| 1430 | ||
| 1431 | (defun nntp-after-change-function (beg end len) | |
| 1432 | (unwind-protect | |
| 1433 | ;; we only care about insertions at eob | |
| 1434 | (when (and (eq 0 len) (eq (point-max) end)) | |
| 1435 | (save-match-data | |
| 1436 | (let ((proc (get-buffer-process (current-buffer)))) | |
| 1437 | (when proc | |
| 1438 | (nntp-async-trigger proc))))) | |
| 1439 | ;; any throw from after-change-functions will leave it | |
| 1440 | ;; set to nil. so we reset it here, if necessary. | |
| 1441 | (when quit-flag | |
| 1442 | (setq after-change-functions '(nntp-after-change-function))))) | |
| 1443 | ||
| 1444 | (defun nntp-async-trigger (process) | |
| ed075cb4 | 1445 | (with-current-buffer (process-buffer process) |
| 16409b0b GM |
1446 | (when nntp-process-callback |
| 1447 | ;; do we have an error message? | |
| 1448 | (goto-char nntp-process-start-point) | |
| 1449 | (if (memq (following-char) '(?4 ?5)) | |
| 1450 | ;; wants credentials? | |
| 1451 | (if (looking-at "480") | |
| 2eebe218 | 1452 | (nntp-handle-authinfo process) |
| 16409b0b GM |
1453 | ;; report error message. |
| 1454 | (nntp-snarf-error-message) | |
| 1455 | (nntp-do-callback nil)) | |
| 1456 | ||
| 1457 | ;; got what we expect? | |
| 1458 | (goto-char (point-max)) | |
| 1459 | (when (re-search-backward | |
| 1460 | nntp-process-wait-for nntp-process-start-point t) | |
| 23f87bed MB |
1461 | (let ((response (match-string 0))) |
| 1462 | (with-current-buffer nntp-server-buffer | |
| 1463 | (setq nntp-process-response response))) | |
| 16409b0b GM |
1464 | (nntp-async-stop process) |
| 1465 | ;; convert it. | |
| 6748645f | 1466 | (when (gnus-buffer-exists-p nntp-process-to-buffer) |
| 16409b0b GM |
1467 | (let ((buf (current-buffer)) |
| 1468 | (start nntp-process-start-point) | |
| 1469 | (decode nntp-process-decode)) | |
| ed075cb4 | 1470 | (with-current-buffer nntp-process-to-buffer |
| eec82323 | 1471 | (goto-char (point-max)) |
| 16409b0b GM |
1472 | (save-restriction |
| 1473 | (narrow-to-region (point) (point)) | |
| 9f5e78f7 | 1474 | (nnheader-insert-buffer-substring buf start) |
| 16409b0b GM |
1475 | (when decode |
| 1476 | (nntp-decode-text)))))) | |
| 1477 | ;; report it. | |
| 1478 | (goto-char (point-max)) | |
| 1479 | (nntp-do-callback | |
| 1480 | (buffer-name (get-buffer nntp-process-to-buffer)))))))) | |
| 1481 | ||
| 1482 | (defun nntp-do-callback (arg) | |
| 1483 | (let ((callback nntp-process-callback) | |
| 1484 | (nntp-inside-change-function t)) | |
| 1485 | (setq nntp-process-callback nil) | |
| 1486 | (funcall callback arg))) | |
| eec82323 LMI |
1487 | |
| 1488 | (defun nntp-snarf-error-message () | |
| 1489 | "Save the error message in the current buffer." | |
| 1490 | (let ((message (buffer-string))) | |
| 1491 | (while (string-match "[\r\n]+" message) | |
| 1492 | (setq message (replace-match " " t t message))) | |
| 04db63bc | 1493 | (nnheader-report 'nntp "%s" message) |
| eec82323 LMI |
1494 | message)) |
| 1495 | ||
| 23f87bed | 1496 | (defun nntp-accept-process-output (process) |
| eec82323 | 1497 | "Wait for output from PROCESS and message some dots." |
| 01c52d31 MB |
1498 | (with-current-buffer (or (nntp-find-connection-buffer nntp-server-buffer) |
| 1499 | nntp-server-buffer) | |
| c7279817 | 1500 | (let ((len (/ (buffer-size) 1024)) |
| eec82323 LMI |
1501 | message-log-max) |
| 1502 | (unless (< len 10) | |
| 1503 | (setq nntp-have-messaged t) | |
| 1504 | (nnheader-message 7 "nntp read: %dk" len))) | |
| 01c52d31 MB |
1505 | (prog1 |
| 1506 | (nnheader-accept-process-output process) | |
| 1507 | ;; accept-process-output may update status of process to indicate | |
| 1508 | ;; that the server has closed the connection. This MUST be | |
| 1509 | ;; handled here as the buffer restored by the save-excursion may | |
| 1510 | ;; be the process's former output buffer (i.e. now killed) | |
| 1511 | (or (and process | |
| 1512 | (memq (process-status process) '(open run))) | |
| 1513 | (nntp-report "Server closed connection"))))) | |
| eec82323 LMI |
1514 | |
| 1515 | (defun nntp-accept-response () | |
| 1516 | "Wait for output from the process that outputs to BUFFER." | |
| 1517 | (nntp-accept-process-output (nntp-find-connection nntp-server-buffer))) | |
| 1518 | ||
| 1519 | (defun nntp-possibly-change-group (group server &optional connectionless) | |
| 1520 | (let ((nnheader-callback-function nil)) | |
| 1521 | (when server | |
| 1522 | (or (nntp-server-opened server) | |
| 1523 | (nntp-open-server server nil connectionless))) | |
| 1524 | ||
| 1525 | (unless connectionless | |
| 1526 | (or (nntp-find-connection nntp-server-buffer) | |
| 1527 | (nntp-open-connection nntp-server-buffer)))) | |
| 1528 | ||
| 1529 | (when group | |
| 1530 | (let ((entry (nntp-find-connection-entry nntp-server-buffer))) | |
| 23f87bed MB |
1531 | (cond ((not entry) |
| 1532 | (nntp-report "Server closed connection")) | |
| 1533 | ((not (equal group (caddr entry))) | |
| ed075cb4 | 1534 | (with-current-buffer (process-buffer (car entry)) |
| 23f87bed MB |
1535 | (erase-buffer) |
| 1536 | (nntp-send-command "^[245].*\n" "GROUP" group) | |
| 1537 | (setcar (cddr entry) group) | |
| 1538 | (erase-buffer) | |
| 01c52d31 | 1539 | (nntp-erase-buffer nntp-server-buffer))))))) |
| eec82323 LMI |
1540 | |
| 1541 | (defun nntp-decode-text (&optional cr-only) | |
| 1542 | "Decode the text in the current buffer." | |
| 1543 | (goto-char (point-min)) | |
| 1544 | (while (search-forward "\r" nil t) | |
| 1545 | (delete-char -1)) | |
| 1546 | (unless cr-only | |
| 1547 | ;; Remove trailing ".\n" end-of-transfer marker. | |
| 1548 | (goto-char (point-max)) | |
| 1549 | (forward-line -1) | |
| 1550 | (when (looking-at ".\n") | |
| 1551 | (delete-char 2)) | |
| 1552 | ;; Delete status line. | |
| 1553 | (goto-char (point-min)) | |
| 2eebe218 DL |
1554 | (while (looking-at "[1-5][0-9][0-9] .*\n") |
| 1555 | ;; For some unknown reason, there is more than one status line. | |
| 1556 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| eec82323 LMI |
1557 | ;; Remove "." -> ".." encoding. |
| 1558 | (while (search-forward "\n.." nil t) | |
| 1559 | (delete-char -1)))) | |
| 1560 | ||
| 1561 | (defun nntp-encode-text () | |
| 1562 | "Encode the text in the current buffer." | |
| 1563 | (save-excursion | |
| 1564 | ;; Replace "." at beginning of line with "..". | |
| 1565 | (goto-char (point-min)) | |
| 1566 | (while (re-search-forward "^\\." nil t) | |
| 1567 | (insert ".")) | |
| 1568 | (goto-char (point-max)) | |
| 1569 | ;; Insert newline at the end of the buffer. | |
| 1570 | (unless (bolp) | |
| 1571 | (insert "\n")) | |
| 1572 | ;; Insert `.' at end of buffer (end of text mark). | |
| 1573 | (goto-char (point-max)) | |
| 45926d06 RS |
1574 | (insert ".\n") |
| 1575 | (goto-char (point-min)) | |
| 1576 | (while (not (eobp)) | |
| 1577 | (end-of-line) | |
| 1578 | (delete-char 1) | |
| 1579 | (insert nntp-end-of-line)))) | |
| eec82323 LMI |
1580 | |
| 1581 | (defun nntp-retrieve-headers-with-xover (articles &optional fetch-old) | |
| 1582 | (set-buffer nntp-server-buffer) | |
| 1583 | (erase-buffer) | |
| 1584 | (cond | |
| 1585 | ||
| 1586 | ;; This server does not talk NOV. | |
| 1587 | ((not nntp-server-xover) | |
| 1588 | nil) | |
| 1589 | ||
| 1590 | ;; We don't care about gaps. | |
| 1591 | ((or (not nntp-nov-gap) | |
| 1592 | fetch-old) | |
| 1593 | (nntp-send-xover-command | |
| 1594 | (if fetch-old | |
| 1595 | (if (numberp fetch-old) | |
| 1596 | (max 1 (- (car articles) fetch-old)) | |
| 1597 | 1) | |
| 1598 | (car articles)) | |
| 1599 | (car (last articles)) 'wait) | |
| 1600 | ||
| 1601 | (goto-char (point-min)) | |
| 16409b0b | 1602 | (when (looking-at "[1-5][0-9][0-9] .*\n") |
| eec82323 LMI |
1603 | (delete-region (point) (progn (forward-line 1) (point)))) |
| 1604 | (while (search-forward "\r" nil t) | |
| 1605 | (replace-match "" t t)) | |
| 1606 | (goto-char (point-max)) | |
| 1607 | (forward-line -1) | |
| 1608 | (when (looking-at "\\.") | |
| 1609 | (delete-region (point) (progn (forward-line 1) (point))))) | |
| 1610 | ||
| 1611 | ;; We do it the hard way. For each gap, an XOVER command is sent | |
| 1612 | ;; to the server. We do not wait for a reply from the server, we | |
| 1613 | ;; just send them off as fast as we can. That means that we have | |
| 1614 | ;; to count the number of responses we get back to find out when we | |
| 1615 | ;; have gotten all we asked for. | |
| 1616 | ((numberp nntp-nov-gap) | |
| 1617 | (let ((count 0) | |
| 1618 | (received 0) | |
| 16409b0b GM |
1619 | last-point |
| 1620 | in-process-buffer-p | |
| eec82323 | 1621 | (buf nntp-server-buffer) |
| 16409b0b | 1622 | (process-buffer (nntp-find-connection-buffer nntp-server-buffer)) |
| 23f87bed | 1623 | first last status) |
| eec82323 LMI |
1624 | ;; We have to check `nntp-server-xover'. If it gets set to nil, |
| 1625 | ;; that means that the server does not understand XOVER, but we | |
| 1626 | ;; won't know that until we try. | |
| 1627 | (while (and nntp-server-xover articles) | |
| 1628 | (setq first (car articles)) | |
| 1629 | ;; Search forward until we find a gap, or until we run out of | |
| 1630 | ;; articles. | |
| 1631 | (while (and (cdr articles) | |
| 1632 | (< (- (nth 1 articles) (car articles)) nntp-nov-gap)) | |
| 1633 | (setq articles (cdr articles))) | |
| 1634 | ||
| 16409b0b | 1635 | (setq in-process-buffer-p (stringp nntp-server-xover)) |
| 23f87bed MB |
1636 | (nntp-send-xover-command first (setq last (car articles))) |
| 1637 | (setq articles (cdr articles)) | |
| a1506d29 | 1638 | |
| 16409b0b GM |
1639 | (when (and nntp-server-xover in-process-buffer-p) |
| 1640 | ;; Don't count tried request. | |
| 1641 | (setq count (1+ count)) | |
| a1506d29 | 1642 | |
| eec82323 LMI |
1643 | ;; Every 400 requests we have to read the stream in |
| 1644 | ;; order to avoid deadlocks. | |
| 1645 | (when (or (null articles) ;All requests have been sent. | |
| 23f87bed | 1646 | (= 1 (% count nntp-maximum-request))) |
| 16409b0b GM |
1647 | |
| 1648 | (nntp-accept-response) | |
| 1649 | ;; On some Emacs versions the preceding function has a | |
| 1650 | ;; tendency to change the buffer. Perhaps. It's quite | |
| 1651 | ;; difficult to reproduce, because it only seems to happen | |
| 1652 | ;; once in a blue moon. | |
| 1653 | (set-buffer process-buffer) | |
| eec82323 | 1654 | (while (progn |
| 16409b0b | 1655 | (goto-char (or last-point (point-min))) |
| eec82323 | 1656 | ;; Count replies. |
| 23f87bed MB |
1657 | (while (re-search-forward "^\\([0-9][0-9][0-9]\\) .*\n" |
| 1658 | nil t) | |
| 1659 | (incf received) | |
| 1660 | (setq status (match-string 1)) | |
| 1661 | (if (string-match "^[45]" status) | |
| 1662 | (setq status 'error) | |
| 1663 | (setq status 'ok))) | |
| eec82323 | 1664 | (setq last-point (point)) |
| 23f87bed MB |
1665 | (or (< received count) |
| 1666 | (if (eq status 'error) | |
| 1667 | nil | |
| 1668 | ;; I haven't started reading the final response | |
| 1669 | (progn | |
| 1670 | (goto-char (point-max)) | |
| 1671 | (forward-line -1) | |
| 1672 | (not (looking-at "^\\.\r?\n")))))) | |
| 1673 | ;; I haven't read the end of the final response | |
| 16409b0b | 1674 | (nntp-accept-response) |
| 23f87bed MB |
1675 | (set-buffer process-buffer)))) |
| 1676 | ||
| 1677 | ;; Some nntp servers seem to have an extension to the XOVER | |
| 1678 | ;; extension. On these servers, requesting an article range | |
| 97610156 | 1679 | ;; preceding the active range does not return an error as |
| 23f87bed MB |
1680 | ;; specified in the RFC. What we instead get is the NOV entry |
| 1681 | ;; for the first available article. Obviously, a client can | |
| 1682 | ;; use that entry to avoid making unnecessary requests. The | |
| 1683 | ;; only problem is for a client that assumes that the response | |
| 40ba43b4 | 1684 | ;; will always be within the requested range. For such a |
| 23f87bed MB |
1685 | ;; client, we can get N copies of the same entry (one for each |
| 1686 | ;; XOVER command sent to the server). | |
| 1687 | ||
| 1688 | (when (<= count 1) | |
| 1689 | (goto-char (point-min)) | |
| 1690 | (when (re-search-forward "^[0-9][0-9][0-9] .*\n\\([0-9]+\\)" nil t) | |
| e9bd5782 | 1691 | (let ((low-limit (string-to-number |
| e84b4b86 | 1692 | (buffer-substring (match-beginning 1) |
| 23f87bed MB |
1693 | (match-end 1))))) |
| 1694 | (while (and articles (<= (car articles) low-limit)) | |
| 1695 | (setq articles (cdr articles)))))) | |
| 1696 | (set-buffer buf)) | |
| eec82323 LMI |
1697 | |
| 1698 | (when nntp-server-xover | |
| 16409b0b | 1699 | (when in-process-buffer-p |
| 16409b0b GM |
1700 | (set-buffer buf) |
| 1701 | (goto-char (point-max)) | |
| 9f5e78f7 | 1702 | (nnheader-insert-buffer-substring process-buffer) |
| 16409b0b GM |
1703 | (set-buffer process-buffer) |
| 1704 | (erase-buffer) | |
| 1705 | (set-buffer buf)) | |
| eec82323 LMI |
1706 | |
| 1707 | ;; We remove any "." lines and status lines. | |
| 1708 | (goto-char (point-min)) | |
| 1709 | (while (search-forward "\r" nil t) | |
| 1710 | (delete-char -1)) | |
| 1711 | (goto-char (point-min)) | |
| 1712 | (delete-matching-lines "^\\.$\\|^[1-5][0-9][0-9] ") | |
| eec82323 LMI |
1713 | t)))) |
| 1714 | ||
| 1715 | nntp-server-xover) | |
| 1716 | ||
| 1717 | (defun nntp-send-xover-command (beg end &optional wait-for-reply) | |
| 1718 | "Send the XOVER command to the server." | |
| 1719 | (let ((range (format "%d-%d" beg end)) | |
| 1720 | (nntp-inhibit-erase t)) | |
| 1721 | (if (stringp nntp-server-xover) | |
| 1722 | ;; If `nntp-server-xover' is a string, then we just send this | |
| 1723 | ;; command. | |
| 1724 | (if wait-for-reply | |
| 1725 | (nntp-send-command-nodelete | |
| 1726 | "\r?\n\\.\r?\n" nntp-server-xover range) | |
| 1727 | ;; We do not wait for the reply. | |
| 16409b0b | 1728 | (nntp-send-command-nodelete nil nntp-server-xover range)) |
| eec82323 LMI |
1729 | (let ((commands nntp-xover-commands)) |
| 1730 | ;; `nntp-xover-commands' is a list of possible XOVER commands. | |
| 1731 | ;; We try them all until we get at positive response. | |
| 1732 | (while (and commands (eq nntp-server-xover 'try)) | |
| 1733 | (nntp-send-command-nodelete "\r?\n\\.\r?\n" (car commands) range) | |
| ed075cb4 | 1734 | (with-current-buffer nntp-server-buffer |
| eec82323 LMI |
1735 | (goto-char (point-min)) |
| 1736 | (and (looking-at "[23]") ; No error message. | |
| 1737 | ;; We also have to look at the lines. Some buggy | |
| 1738 | ;; servers give back simple lines with just the | |
| 1739 | ;; article number. How... helpful. | |
| 1740 | (progn | |
| 1741 | (forward-line 1) | |
| 5cedca8d MB |
1742 | ;; More text after number, or a dot. |
| 1743 | (looking-at "[0-9]+\t...\\|\\.\r?\n")) | |
| eec82323 LMI |
1744 | (setq nntp-server-xover (car commands)))) |
| 1745 | (setq commands (cdr commands))) | |
| 1746 | ;; If none of the commands worked, we disable XOVER. | |
| 1747 | (when (eq nntp-server-xover 'try) | |
| 01c52d31 MB |
1748 | (nntp-erase-buffer nntp-server-buffer) |
| 1749 | (setq nntp-server-xover nil)) | |
| 23f87bed | 1750 | nntp-server-xover)))) |
| eec82323 | 1751 | |
| 23f87bed MB |
1752 | (defun nntp-find-group-and-number (&optional group) |
| 1753 | (save-excursion | |
| 1754 | (save-restriction | |
| ed075cb4 | 1755 | ;; FIXME: This is REALLY FISHY: set-buffer after save-restriction?!? |
| 23f87bed MB |
1756 | (set-buffer nntp-server-buffer) |
| 1757 | (narrow-to-region (goto-char (point-min)) | |
| 1758 | (or (search-forward "\n\n" nil t) (point-max))) | |
| 1759 | (goto-char (point-min)) | |
| 1760 | ;; We first find the number by looking at the status line. | |
| 1761 | (let ((number (and (looking-at "2[0-9][0-9] +\\([0-9]+\\) ") | |
| e9bd5782 | 1762 | (string-to-number |
| 23f87bed MB |
1763 | (buffer-substring (match-beginning 1) |
| 1764 | (match-end 1))))) | |
| 1765 | newsgroups xref) | |
| 1766 | (and number (zerop number) (setq number nil)) | |
| 1767 | (if number | |
| 1768 | ;; Then we find the group name. | |
| 1769 | (setq group | |
| 1770 | (cond | |
| 1771 | ;; If there is only one group in the Newsgroups | |
| 1772 | ;; header, then it seems quite likely that this | |
| 1773 | ;; article comes from that group, I'd say. | |
| 1774 | ((and (setq newsgroups | |
| 1775 | (mail-fetch-field "newsgroups")) | |
| 1776 | (not (string-match "," newsgroups))) | |
| 1777 | newsgroups) | |
| 1778 | ;; If there is more than one group in the | |
| 1779 | ;; Newsgroups header, then the Xref header should | |
| 1780 | ;; be filled out. We hazard a guess that the group | |
| 1781 | ;; that has this article number in the Xref header | |
| 1782 | ;; is the one we are looking for. This might very | |
| 1783 | ;; well be wrong if this article happens to have | |
| 1784 | ;; the same number in several groups, but that's | |
| 1785 | ;; life. | |
| 1786 | ((and (setq xref (mail-fetch-field "xref")) | |
| 1787 | number | |
| 1788 | (string-match | |
| 1789 | (format "\\([^ :]+\\):%d" number) xref)) | |
| 1790 | (match-string 1 xref)) | |
| 1791 | (t ""))) | |
| 1792 | (cond | |
| 37cc095b MB |
1793 | ((and (not nntp-xref-number-is-evil) |
| 1794 | (setq xref (mail-fetch-field "xref")) | |
| 23f87bed MB |
1795 | (string-match |
| 1796 | (if group | |
| 1797 | (concat "\\(" (regexp-quote group) "\\):\\([0-9]+\\)") | |
| 1798 | "\\([^ :]+\\):\\([0-9]+\\)") | |
| 1799 | xref)) | |
| 1800 | (setq group (match-string 1 xref) | |
| e9bd5782 | 1801 | number (string-to-number (match-string 2 xref)))) |
| 23f87bed MB |
1802 | ((and (setq newsgroups |
| 1803 | (mail-fetch-field "newsgroups")) | |
| 1804 | (not (string-match "," newsgroups))) | |
| 1805 | (setq group newsgroups)) | |
| 1806 | (group) | |
| 1807 | (t (setq group "")))) | |
| 1808 | (when (string-match "\r" group) | |
| 1809 | (setq group (substring group 0 (match-beginning 0)))) | |
| 1810 | (cons group number))))) | |
| eec82323 LMI |
1811 | |
| 1812 | (defun nntp-wait-for-string (regexp) | |
| 1813 | "Wait until string arrives in the buffer." | |
| 23f87bed MB |
1814 | (let ((buf (current-buffer)) |
| 1815 | proc) | |
| eec82323 | 1816 | (goto-char (point-min)) |
| 23f87bed MB |
1817 | (while (and (setq proc (get-buffer-process buf)) |
| 1818 | (memq (process-status proc) '(open run)) | |
| 1819 | (not (re-search-forward regexp nil t))) | |
| d832b437 | 1820 | (accept-process-output proc 0.1) |
| eec82323 LMI |
1821 | (set-buffer buf) |
| 1822 | (goto-char (point-min))))) | |
| 1823 | ||
| 23f87bed MB |
1824 | |
| 1825 | ;; ========================================================================== | |
| 1826 | ;; Obsolete nntp-open-* connection methods -- drv | |
| 1827 | ;; ========================================================================== | |
| 1828 | ||
| 1829 | (defvoo nntp-open-telnet-envuser nil | |
| 1830 | "*If non-nil, telnet session (client and server both) will support the ENVIRON option and not prompt for login name.") | |
| 1831 | ||
| 1832 | (defvoo nntp-telnet-shell-prompt "bash\\|\$ *\r?$\\|> *\r?" | |
| 1833 | "*Regular expression to match the shell prompt on the remote machine.") | |
| 1834 | ||
| 1835 | (defvoo nntp-rlogin-program "rsh" | |
| 1836 | "*Program used to log in on remote machines. | |
| 1837 | The default is \"rsh\", but \"ssh\" is a popular alternative.") | |
| 1838 | ||
| 1839 | (defvoo nntp-rlogin-parameters '("telnet" "-8" "${NNTPSERVER:=news}" "nntp") | |
| 1840 | "*Parameters to `nntp-open-rlogin'. | |
| 1841 | That function may be used as `nntp-open-connection-function'. In that | |
| 1842 | case, this list will be used as the parameter list given to rsh.") | |
| 1843 | ||
| 1844 | (defvoo nntp-rlogin-user-name nil | |
| 1845 | "*User name on remote system when using the rlogin connect method.") | |
| 1846 | ||
| 1847 | (defvoo nntp-telnet-parameters | |
| 1848 | '("exec" "telnet" "-8" "${NNTPSERVER:=news}" "nntp") | |
| 1849 | "*Parameters to `nntp-open-telnet'. | |
| 1850 | That function may be used as `nntp-open-connection-function'. In that | |
| 1851 | case, this list will be executed as a command after logging in | |
| 1852 | via telnet.") | |
| 1853 | ||
| 1854 | (defvoo nntp-telnet-user-name nil | |
| 1855 | "User name to log in via telnet with.") | |
| 1856 | ||
| 1857 | (defvoo nntp-telnet-passwd nil | |
| 1858 | "Password to use to log in via telnet with.") | |
| 1859 | ||
| 990e2c2f SM |
1860 | (defun nntp-service-to-port (svc) |
| 1861 | (cond | |
| 1862 | ((integerp svc) (number-to-string svc)) | |
| 49b196a5 | 1863 | ((string-match "\\`[0-9]+\\'" svc) svc) |
| 990e2c2f SM |
1864 | (t |
| 1865 | (with-temp-buffer | |
| 1866 | (ignore-errors (insert-file-contents "/etc/services")) | |
| 1867 | (goto-char (point-min)) | |
| 1868 | (if (re-search-forward (concat "^" (regexp-quote svc) | |
| 49b196a5 | 1869 | "[ \t]+\\([0-9]+\\)/tcp")) |
| 990e2c2f SM |
1870 | (match-string 1) |
| 1871 | svc))))) | |
| 1872 | ||
| eec82323 | 1873 | (defun nntp-open-telnet (buffer) |
| 990e2c2f | 1874 | (with-current-buffer buffer |
| eec82323 | 1875 | (erase-buffer) |
| a8151ef7 LMI |
1876 | (let ((proc (apply |
| 1877 | 'start-process | |
| 1878 | "nntpd" buffer nntp-telnet-command nntp-telnet-switches)) | |
| eec82323 LMI |
1879 | (case-fold-search t)) |
| 1880 | (when (memq (process-status proc) '(open run)) | |
| 2eebe218 | 1881 | (nntp-wait-for-string "^r?telnet") |
| eec82323 | 1882 | (process-send-string proc "set escape \^X\n") |
| 6748645f LMI |
1883 | (cond |
| 1884 | ((and nntp-open-telnet-envuser nntp-telnet-user-name) | |
| 1885 | (process-send-string proc (concat "open " "-l" nntp-telnet-user-name | |
| 1886 | nntp-address "\n"))) | |
| 1887 | (t | |
| 1888 | (process-send-string proc (concat "open " nntp-address "\n")))) | |
| 1889 | (cond | |
| 1890 | ((not nntp-open-telnet-envuser) | |
| 1891 | (nntp-wait-for-string "^\r*.?login:") | |
| 1892 | (process-send-string | |
| 1893 | proc (concat | |
| 1894 | (or nntp-telnet-user-name | |
| 1895 | (setq nntp-telnet-user-name (read-string "login: "))) | |
| 1896 | "\n")))) | |
| eec82323 LMI |
1897 | (nntp-wait-for-string "^\r*.?password:") |
| 1898 | (process-send-string | |
| 1899 | proc (concat | |
| 1900 | (or nntp-telnet-passwd | |
| 1901 | (setq nntp-telnet-passwd | |
| 23f87bed | 1902 | (read-passwd "Password: "))) |
| eec82323 | 1903 | "\n")) |
| 6748645f | 1904 | (nntp-wait-for-string nntp-telnet-shell-prompt) |
| eec82323 LMI |
1905 | (process-send-string |
| 1906 | proc (concat (mapconcat 'identity nntp-telnet-parameters " ") "\n")) | |
| 6748645f | 1907 | (nntp-wait-for-string "^\r*20[01]") |
| eec82323 LMI |
1908 | (beginning-of-line) |
| 1909 | (delete-region (point-min) (point)) | |
| 1910 | (process-send-string proc "\^]") | |
| 2eebe218 | 1911 | (nntp-wait-for-string "^r?telnet") |
| eec82323 LMI |
1912 | (process-send-string proc "mode character\n") |
| 1913 | (accept-process-output proc 1) | |
| 1914 | (sit-for 1) | |
| 1915 | (goto-char (point-min)) | |
| 1916 | (forward-line 1) | |
| 1917 | (delete-region (point) (point-max))) | |
| 1918 | proc))) | |
| 1919 | ||
| 1920 | (defun nntp-open-rlogin (buffer) | |
| 1921 | "Open a connection to SERVER using rsh." | |
| 1922 | (let ((proc (if nntp-rlogin-user-name | |
| 6748645f LMI |
1923 | (apply 'start-process |
| 1924 | "nntpd" buffer nntp-rlogin-program | |
| 1925 | nntp-address "-l" nntp-rlogin-user-name | |
| 1926 | nntp-rlogin-parameters) | |
| 1927 | (apply 'start-process | |
| 1928 | "nntpd" buffer nntp-rlogin-program nntp-address | |
| 1929 | nntp-rlogin-parameters)))) | |
| 990e2c2f | 1930 | (with-current-buffer buffer |
| 6748645f LMI |
1931 | (nntp-wait-for-string "^\r*20[01]") |
| 1932 | (beginning-of-line) | |
| 1933 | (delete-region (point-min) (point)) | |
| 1934 | proc))) | |
| eec82323 | 1935 | |
| 23f87bed MB |
1936 | |
| 1937 | ;; ========================================================================== | |
| 1938 | ;; Replacements for the nntp-open-* functions -- drv | |
| 1939 | ;; ========================================================================== | |
| 1940 | ||
| 1941 | (defun nntp-open-telnet-stream (buffer) | |
| 1942 | "Open a nntp connection by telnet'ing the news server. | |
| 990e2c2f | 1943 | `nntp-open-netcat-stream' is recommended in place of this function |
| ed075cb4 | 1944 | because it is more reliable. |
| 23f87bed MB |
1945 | |
| 1946 | Please refer to the following variables to customize the connection: | |
| 1947 | - `nntp-pre-command', | |
| 1948 | - `nntp-telnet-command', | |
| 1949 | - `nntp-telnet-switches', | |
| 1950 | - `nntp-address', | |
| 1951 | - `nntp-port-number', | |
| 1952 | - `nntp-end-of-line'." | |
| 1953 | (let ((command `(,nntp-telnet-command | |
| 1954 | ,@nntp-telnet-switches | |
| 9b3ebcb6 | 1955 | ,nntp-address |
| 990e2c2f | 1956 | ,(nntp-service-to-port nntp-port-number))) |
| 23f87bed MB |
1957 | proc) |
| 1958 | (and nntp-pre-command | |
| 1959 | (push nntp-pre-command command)) | |
| 1960 | (setq proc (apply 'start-process "nntpd" buffer command)) | |
| ed075cb4 | 1961 | (with-current-buffer buffer |
| 23f87bed MB |
1962 | (nntp-wait-for-string "^\r*20[01]") |
| 1963 | (beginning-of-line) | |
| 1964 | (delete-region (point-min) (point)) | |
| 1965 | proc))) | |
| 1966 | ||
| 1967 | (defun nntp-open-via-rlogin-and-telnet (buffer) | |
| 1968 | "Open a connection to an nntp server through an intermediate host. | |
| 1969 | First rlogin to the remote host, and then telnet the real news server | |
| 1970 | from there. | |
| ed075cb4 SM |
1971 | `nntp-open-via-rlogin-and-netcat' is recommended in place of this function |
| 1972 | because it is more reliable. | |
| 23f87bed MB |
1973 | |
| 1974 | Please refer to the following variables to customize the connection: | |
| 1975 | - `nntp-pre-command', | |
| 1976 | - `nntp-via-rlogin-command', | |
| 1977 | - `nntp-via-rlogin-command-switches', | |
| 1978 | - `nntp-via-user-name', | |
| 1979 | - `nntp-via-address', | |
| 1980 | - `nntp-telnet-command', | |
| 1981 | - `nntp-telnet-switches', | |
| 1982 | - `nntp-address', | |
| 1983 | - `nntp-port-number', | |
| 1984 | - `nntp-end-of-line'." | |
| 1985 | (let ((command `(,nntp-via-address | |
| 1986 | ,nntp-telnet-command | |
| 1987 | ,@nntp-telnet-switches)) | |
| 1988 | proc) | |
| 1989 | (when nntp-via-user-name | |
| 1990 | (setq command `("-l" ,nntp-via-user-name ,@command))) | |
| 1991 | (when nntp-via-rlogin-command-switches | |
| 1992 | (setq command (append nntp-via-rlogin-command-switches command))) | |
| 1993 | (push nntp-via-rlogin-command command) | |
| 1994 | (and nntp-pre-command | |
| 1995 | (push nntp-pre-command command)) | |
| 1996 | (setq proc (apply 'start-process "nntpd" buffer command)) | |
| ed075cb4 | 1997 | (with-current-buffer buffer |
| 23f87bed | 1998 | (nntp-wait-for-string "^r?telnet") |
| 9b3ebcb6 | 1999 | (process-send-string proc (concat "open " nntp-address " " |
| 990e2c2f | 2000 | (nntp-service-to-port nntp-port-number) |
| 9b3ebcb6 | 2001 | "\n")) |
| 23f87bed MB |
2002 | (nntp-wait-for-string "^\r*20[01]") |
| 2003 | (beginning-of-line) | |
| 2004 | (delete-region (point-min) (point)) | |
| 2005 | (process-send-string proc "\^]") | |
| 2006 | (nntp-wait-for-string "^r?telnet") | |
| 2007 | (process-send-string proc "mode character\n") | |
| 2008 | (accept-process-output proc 1) | |
| 2009 | (sit-for 1) | |
| eec82323 | 2010 | (goto-char (point-min)) |
| 23f87bed MB |
2011 | (forward-line 1) |
| 2012 | (delete-region (point) (point-max))) | |
| 2013 | proc)) | |
| 2014 | ||
| 01c52d31 MB |
2015 | (defun nntp-open-via-rlogin-and-netcat (buffer) |
| 2016 | "Open a connection to an nntp server through an intermediate host. | |
| 2017 | First rlogin to the remote host, and then connect to the real news | |
| 2018 | server from there using the netcat command. | |
| 2019 | ||
| 2020 | Please refer to the following variables to customize the connection: | |
| 2021 | - `nntp-pre-command', | |
| 2022 | - `nntp-via-rlogin-command', | |
| 2023 | - `nntp-via-rlogin-command-switches', | |
| 2024 | - `nntp-via-user-name', | |
| 2025 | - `nntp-via-address', | |
| 990e2c2f SM |
2026 | - `nntp-netcat-command', |
| 2027 | - `nntp-netcat-switches', | |
| 01c52d31 | 2028 | - `nntp-address', |
| 990e2c2f | 2029 | - `nntp-port-number'." |
| 01c52d31 MB |
2030 | (let ((command `(,@(when nntp-pre-command |
| 2031 | (list nntp-pre-command)) | |
| 2032 | ,nntp-via-rlogin-command | |
| 990e2c2f | 2033 | ,@nntp-via-rlogin-command-switches |
| 01c52d31 MB |
2034 | ,@(when nntp-via-user-name |
| 2035 | (list "-l" nntp-via-user-name)) | |
| 2036 | ,nntp-via-address | |
| 990e2c2f SM |
2037 | ,nntp-netcat-command |
| 2038 | ,@nntp-netcat-switches | |
| 01c52d31 | 2039 | ,nntp-address |
| 990e2c2f SM |
2040 | ,(nntp-service-to-port nntp-port-number)))) |
| 2041 | ;; A non-nil connection type results in mightily odd behavior where | |
| 2042 | ;; (process-send-string proc "\^M") ends up sending a "\n" to the | |
| 2043 | ;; ssh process. --Stef | |
| 2044 | ;; Also a nil connection allow ssh-askpass to work under X11. | |
| 2045 | (let ((process-connection-type nil)) | |
| 2046 | (apply 'start-process "nntpd" buffer command)))) | |
| 2047 | ||
| 2048 | (defun nntp-open-netcat-stream (buffer) | |
| 2049 | "Open a connection to an nntp server through netcat. | |
| 2050 | I.e. use the `nc' command rather than Emacs's builtin networking code. | |
| 2051 | ||
| 2052 | Please refer to the following variables to customize the connection: | |
| 2053 | - `nntp-pre-command', | |
| 2054 | - `nntp-netcat-command', | |
| 2055 | - `nntp-netcat-switches', | |
| 2056 | - `nntp-address', | |
| 2057 | - `nntp-port-number'." | |
| 2058 | (let ((command `(,nntp-netcat-command | |
| 2059 | ,@nntp-netcat-switches | |
| 2060 | ,nntp-address | |
| 2061 | ,(nntp-service-to-port nntp-port-number)))) | |
| 2062 | (and nntp-pre-command (push nntp-pre-command command)) | |
| 2063 | (let ((process-connection-type nil)) ;See `nntp-open-via-rlogin-and-netcat'. | |
| 2064 | (apply 'start-process "nntpd" buffer command)))) | |
| c9fc72fa | 2065 | |
| 01c52d31 | 2066 | |
| 23f87bed MB |
2067 | (defun nntp-open-via-telnet-and-telnet (buffer) |
| 2068 | "Open a connection to an nntp server through an intermediate host. | |
| 2069 | First telnet the remote host, and then telnet the real news server | |
| 2070 | from there. | |
| 2071 | ||
| 2072 | Please refer to the following variables to customize the connection: | |
| 2073 | - `nntp-pre-command', | |
| 2074 | - `nntp-via-telnet-command', | |
| 2075 | - `nntp-via-telnet-switches', | |
| 2076 | - `nntp-via-address', | |
| 2077 | - `nntp-via-envuser', | |
| 2078 | - `nntp-via-user-name', | |
| 2079 | - `nntp-via-user-password', | |
| 2080 | - `nntp-via-shell-prompt', | |
| 2081 | - `nntp-telnet-command', | |
| 2082 | - `nntp-telnet-switches', | |
| 2083 | - `nntp-address', | |
| 2084 | - `nntp-port-number', | |
| 2085 | - `nntp-end-of-line'." | |
| ed075cb4 | 2086 | (with-current-buffer buffer |
| 23f87bed MB |
2087 | (erase-buffer) |
| 2088 | (let ((command `(,nntp-via-telnet-command ,@nntp-via-telnet-switches)) | |
| 2089 | (case-fold-search t) | |
| 2090 | proc) | |
| 2091 | (and nntp-pre-command (push nntp-pre-command command)) | |
| 2092 | (setq proc (apply 'start-process "nntpd" buffer command)) | |
| 2093 | (when (memq (process-status proc) '(open run)) | |
| 2094 | (nntp-wait-for-string "^r?telnet") | |
| 2095 | (process-send-string proc "set escape \^X\n") | |
| 2096 | (cond | |
| 2097 | ((and nntp-via-envuser nntp-via-user-name) | |
| 2098 | (process-send-string proc (concat "open " "-l" nntp-via-user-name | |
| 2099 | nntp-via-address "\n"))) | |
| 2100 | (t | |
| 2101 | (process-send-string proc (concat "open " nntp-via-address | |
| 2102 | "\n")))) | |
| 2103 | (when (not nntp-via-envuser) | |
| 2104 | (nntp-wait-for-string "^\r*.?login:") | |
| 2105 | (process-send-string proc | |
| 2106 | (concat | |
| 2107 | (or nntp-via-user-name | |
| 2108 | (setq nntp-via-user-name | |
| 2109 | (read-string "login: "))) | |
| 2110 | "\n"))) | |
| 2111 | (nntp-wait-for-string "^\r*.?password:") | |
| 2112 | (process-send-string proc | |
| 2113 | (concat | |
| 2114 | (or nntp-via-user-password | |
| 2115 | (setq nntp-via-user-password | |
| 2116 | (read-passwd "Password: "))) | |
| 2117 | "\n")) | |
| 2118 | (nntp-wait-for-string nntp-via-shell-prompt) | |
| 2119 | (let ((real-telnet-command `("exec" | |
| 2120 | ,nntp-telnet-command | |
| 2121 | ,@nntp-telnet-switches | |
| 2122 | ,nntp-address | |
| 990e2c2f | 2123 | ,(nntp-service-to-port nntp-port-number)))) |
| 23f87bed MB |
2124 | (process-send-string proc |
| 2125 | (concat (mapconcat 'identity | |
| 2126 | real-telnet-command " ") | |
| 2127 | "\n"))) | |
| 2128 | (nntp-wait-for-string "^\r*20[01]") | |
| 2129 | (beginning-of-line) | |
| 2130 | (delete-region (point-min) (point)) | |
| 2131 | (process-send-string proc "\^]") | |
| 2132 | (nntp-wait-for-string "^r?telnet") | |
| 2133 | (process-send-string proc "mode character\n") | |
| 2134 | (accept-process-output proc 1) | |
| 2135 | (sit-for 1) | |
| 2136 | (goto-char (point-min)) | |
| 2137 | (forward-line 1) | |
| 2138 | (delete-region (point) (point-max))) | |
| 2139 | proc))) | |
| eec82323 | 2140 | |
| 01c52d31 MB |
2141 | ;; Marks handling |
| 2142 | ||
| 2143 | (defun nntp-marks-directory (server) | |
| 2144 | (expand-file-name server nntp-marks-directory)) | |
| 2145 | ||
| 2146 | (defvar nntp-server-to-method-cache nil | |
| 2147 | "Alist of servers and select methods.") | |
| 2148 | ||
| 2149 | (defun nntp-group-pathname (server group &optional file) | |
| 2150 | "Return an absolute file name of FILE for GROUP on SERVER." | |
| 2151 | (let ((method (cdr (assoc server nntp-server-to-method-cache)))) | |
| 2152 | (unless method | |
| 2153 | (push (cons server (setq method (or (gnus-server-to-method server) | |
| 2154 | (gnus-find-method-for-group group)))) | |
| 2155 | nntp-server-to-method-cache)) | |
| 2156 | (nnmail-group-pathname | |
| 2157 | (mm-decode-coding-string group | |
| 2158 | (inline (gnus-group-name-charset method group))) | |
| 2159 | (nntp-marks-directory server) | |
| 2160 | file))) | |
| 2161 | ||
| 2162 | (defun nntp-possibly-create-directory (group server) | |
| 2163 | (let ((dir (nntp-group-pathname server group)) | |
| 2164 | (file-name-coding-system nnmail-pathname-coding-system)) | |
| 2165 | (unless (file-exists-p dir) | |
| 2166 | (make-directory (directory-file-name dir) t) | |
| 2167 | (nnheader-message 5 "Creating nntp marks directory %s" dir)))) | |
| 2168 | ||
| 8abf1b22 | 2169 | (autoload 'time-less-p "time-date") |
| 01c52d31 MB |
2170 | |
| 2171 | (defun nntp-marks-changed-p (group server) | |
| 2172 | (let ((file (nntp-group-pathname server group nntp-marks-file-name)) | |
| 2173 | (file-name-coding-system nnmail-pathname-coding-system)) | |
| 2174 | (if (null (gnus-gethash file nntp-marks-modtime)) | |
| 2175 | t ;; never looked at marks file, assume it has changed | |
| 2176 | (time-less-p (gnus-gethash file nntp-marks-modtime) | |
| 2177 | (nth 5 (file-attributes file)))))) | |
| 2178 | ||
| 2179 | (defun nntp-save-marks (group server) | |
| 2180 | (let ((file-name-coding-system nnmail-pathname-coding-system) | |
| 2181 | (file (nntp-group-pathname server group nntp-marks-file-name))) | |
| 2182 | (condition-case err | |
| 2183 | (progn | |
| 2184 | (nntp-possibly-create-directory group server) | |
| 2185 | (with-temp-file file | |
| 2186 | (erase-buffer) | |
| 2187 | (gnus-prin1 nntp-marks) | |
| 2188 | (insert "\n")) | |
| 2189 | (gnus-sethash file | |
| 2190 | (nth 5 (file-attributes file)) | |
| 2191 | nntp-marks-modtime)) | |
| 2192 | (error (or (gnus-yes-or-no-p | |
| 2193 | (format "Could not write to %s (%s). Continue? " file err)) | |
| 2194 | (error "Cannot write to %s (%s)" file err)))))) | |
| 2195 | ||
| 2196 | (defun nntp-open-marks (group server) | |
| 2197 | (let ((file (nntp-group-pathname server group nntp-marks-file-name)) | |
| 2198 | (file-name-coding-system nnmail-pathname-coding-system)) | |
| 2199 | (if (file-exists-p file) | |
| 2200 | (condition-case err | |
| 2201 | (with-temp-buffer | |
| 2202 | (gnus-sethash file (nth 5 (file-attributes file)) | |
| 2203 | nntp-marks-modtime) | |
| 2204 | (nnheader-insert-file-contents file) | |
| 2205 | (setq nntp-marks (read (current-buffer))) | |
| 2206 | (dolist (el gnus-article-unpropagated-mark-lists) | |
| 2207 | (setq nntp-marks (gnus-remassoc el nntp-marks)))) | |
| 2208 | (error (or (gnus-yes-or-no-p | |
| 2209 | (format "Error reading nntp marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err)) | |
| 2210 | (error "Cannot read nntp marks file %s (%s)" file err)))) | |
| 2211 | ;; User didn't have a .marks file. Probably first time | |
| 2212 | ;; user of the .marks stuff. Bootstrap it from .newsrc.eld. | |
| 2213 | (let ((info (gnus-get-info | |
| 2214 | (gnus-group-prefixed-name | |
| 2215 | group | |
| 2216 | (gnus-server-to-method (format "nntp:%s" server))))) | |
| 2217 | (decoded-name (mm-decode-coding-string | |
| 2218 | group | |
| 2219 | (gnus-group-name-charset | |
| 2220 | (gnus-server-to-method server) group)))) | |
| 2221 | (nnheader-message 7 "Bootstrapping marks for %s..." decoded-name) | |
| 2222 | (setq nntp-marks (gnus-info-marks info)) | |
| 2223 | (push (cons 'read (gnus-info-read info)) nntp-marks) | |
| 2224 | (dolist (el gnus-article-unpropagated-mark-lists) | |
| 2225 | (setq nntp-marks (gnus-remassoc el nntp-marks))) | |
| 2226 | (nntp-save-marks group server) | |
| 2227 | (nnheader-message 7 "Bootstrapping marks for %s...done" | |
| 2228 | decoded-name))))) | |
| 2229 | ||
| eec82323 LMI |
2230 | (provide 'nntp) |
| 2231 | ||
| 2232 | ;;; nntp.el ends here |