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c113de23 | 1 | ;;; nnimap.el --- imap backend for Gnus |
e84b4b86 | 2 | |
8abf1b22 | 3 | ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
114f9c96 | 4 | ;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
c113de23 | 5 | |
e3e955fe | 6 | ;; Author: Simon Josefsson <simon@josefsson.org> |
c113de23 GM |
7 | ;; Jim Radford <radford@robby.caltech.edu> |
8 | ;; Keywords: mail | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
5e809f55 | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
c113de23 | 13 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
c113de23 GM |
16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
5e809f55 | 19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
c113de23 GM |
20 | ;; GNU General Public License for more details. |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
c113de23 GM |
24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; Todo, major things: | |
28 | ;; | |
29 | ;; o Fix Gnus to view correct number of unread/total articles in group buffer | |
30 | ;; o Fix Gnus to handle leading '.' in group names (fixed?) | |
31 | ;; o Finish disconnected mode (moving articles between mailboxes unplugged) | |
32 | ;; o Sieve | |
33 | ;; o MIME (partial article fetches) | |
34 | ;; o Split to other backends, different split rules for different | |
35 | ;; servers/inboxes | |
36 | ;; | |
37 | ;; Todo, minor things: | |
38 | ;; | |
39 | ;; o Don't require half of Gnus -- backends should be standalone | |
40 | ;; o Verify that we don't use IMAP4rev1 specific things (RFC2060 App B) | |
41 | ;; o Dont uid fetch 1,* in nnimap-retrive-groups (slow) | |
42 | ;; o Split up big fetches (1,* header especially) in smaller chunks | |
43 | ;; o What do I do with gnus-newsgroup-*? | |
44 | ;; o Tell Gnus about new groups (how can we tell?) | |
8f688cb0 | 45 | ;; o Respooling (fix Gnus?) (unnecessary?) |
c113de23 GM |
46 | ;; o Add support for the following: (if applicable) |
47 | ;; request-list-newsgroups, request-regenerate | |
48 | ;; list-active-group, | |
49 | ;; request-associate-buffer, request-restore-buffer, | |
50 | ;; o Do The Right Thing when UIDVALIDITY changes (what's the right thing?) | |
51 | ;; o Support RFC2221 (Login referrals) | |
52 | ;; o IMAP2BIS compatibility? (RFC2061) | |
53 | ;; o ACAP stuff (perhaps a different project, would be nice to ACAPify | |
54 | ;; .newsrc.eld) | |
55 | ;; o What about Gnus's article editing, can we support it? NO! | |
56 | ;; o Use \Draft to support the draft group?? | |
57 | ;; o Duplicate suppression | |
23f87bed | 58 | ;; o Rewrite UID SEARCH UID X as UID FETCH X (UID) for those with slow servers |
c113de23 GM |
59 | |
60 | ;;; Code: | |
61 | ||
23f87bed | 62 | (require 'imap) |
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63 | (require 'nnoo) |
64 | (require 'nnmail) | |
65 | (require 'nnheader) | |
66 | (require 'mm-util) | |
67 | (require 'gnus) | |
68 | (require 'gnus-range) | |
69 | (require 'gnus-start) | |
70 | (require 'gnus-int) | |
71 | ||
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72 | (eval-when-compile (require 'cl)) |
73 | ||
8abf1b22 | 74 | (autoload 'auth-source-user-or-password "auth-source") |
e952b711 | 75 | |
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76 | (nnoo-declare nnimap) |
77 | ||
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78 | (defconst nnimap-version "nnimap 1.0") |
79 | ||
80 | (defgroup nnimap nil | |
81 | "Reading IMAP mail with Gnus." | |
82 | :group 'gnus) | |
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83 | |
84 | (defvoo nnimap-address nil | |
85 | "Address of physical IMAP server. If nil, use the virtual server's name.") | |
86 | ||
87 | (defvoo nnimap-server-port nil | |
88 | "Port number on physical IMAP server. | |
23f87bed | 89 | If nil, defaults to 993 for TLS/SSL connections and 143 otherwise.") |
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90 | |
91 | ;; Splitting variables | |
92 | ||
23f87bed | 93 | (defcustom nnimap-split-crosspost t |
c113de23 | 94 | "If non-nil, do crossposting if several split methods match the mail. |
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95 | If nil, the first match found will be used." |
96 | :group 'nnimap | |
97 | :type 'boolean) | |
c113de23 | 98 | |
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99 | (defcustom nnimap-split-inbox nil |
100 | "Name of mailbox to split mail from. | |
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101 | |
102 | Mail is read from this mailbox and split according to rules in | |
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103 | `nnimap-split-rule'. |
104 | ||
105 | This can be a string or a list of strings." | |
106 | :group 'nnimap | |
107 | :type '(choice (string) | |
108 | (repeat string))) | |
109 | ||
110 | (define-widget 'nnimap-strict-function 'function | |
111 | "This widget only matches values that are functionp. | |
112 | ||
113 | Warning: This means that a value that is the symbol of a not yet | |
114 | loaded function will not match. Use with care." | |
115 | :match 'nnimap-strict-function-match) | |
c113de23 | 116 | |
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117 | (defun nnimap-strict-function-match (widget value) |
118 | "Ignoring WIDGET, match if VALUE is a function." | |
119 | (functionp value)) | |
c113de23 | 120 | |
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121 | (defcustom nnimap-split-rule nil |
122 | "Mail will be split according to these rules. | |
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123 | |
124 | Mail is read from mailbox(es) specified in `nnimap-split-inbox'. | |
125 | ||
126 | If you'd like, for instance, one mail group for mail from the | |
127 | \"gnus-imap\" mailing list, one group for junk mail and leave | |
128 | everything else in the incoming mailbox, you could do something like | |
129 | this: | |
130 | ||
6c1b363d | 131 | \(setq nnimap-split-rule '((\"INBOX.gnus-imap\" \"From:.*gnus-imap\") |
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132 | (\"INBOX.junk\" \"Subject:.*buy\"))) |
133 | ||
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134 | As you can see, `nnimap-split-rule' is a list of lists, where the |
135 | first element in each \"rule\" is the name of the IMAP mailbox (or the | |
136 | symbol `junk' if you want to remove the mail), and the second is a | |
137 | regexp that nnimap will try to match on the header to find a fit. | |
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138 | |
139 | The second element can also be a function. In that case, it will be | |
140 | called narrowed to the headers with the first element of the rule as | |
141 | the argument. It should return a non-nil value if it thinks that the | |
142 | mail belongs in that group. | |
143 | ||
144 | This variable can also have a function as its value, the function will | |
145 | be called with the headers narrowed and should return a group where it | |
146 | thinks the article should be splitted to. See `nnimap-split-fancy'. | |
147 | ||
148 | To allow for different split rules on different virtual servers, and | |
149 | even different split rules in different inboxes on the same server, | |
150 | the syntax of this variable have been extended along the lines of: | |
151 | ||
6c1b363d | 152 | \(setq nnimap-split-rule |
c113de23 | 153 | '((\"my1server\" (\".*\" ((\"ding\" \"ding@gnus.org\") |
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154 | (\"junk\" \"From:.*Simon\"))) |
155 | (\"my2server\" (\"INBOX\" nnimap-split-fancy)) | |
156 | (\"my[34]server\" (\".*\" ((\"private\" \"To:.*Simon\") | |
157 | (\"junk\" my-junk-func))))) | |
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158 | |
159 | The virtual server name is in fact a regexp, so that the same rules | |
160 | may apply to several servers. In the example, the servers | |
161 | \"my3server\" and \"my4server\" both use the same rules. Similarly, | |
162 | the inbox string is also a regexp. The actual splitting rules are as | |
163 | before, either a function, or a list with group/regexp or | |
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164 | group/function elements." |
165 | :group 'nnimap | |
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166 | ;; FIXME: Doesn't allow `("my2server" ("INBOX" nnimap-split-fancy))' |
167 | ;; per example above. -- fx | |
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168 | :type '(choice :tag "Rule type" |
169 | (repeat :menu-tag "Single-server" | |
170 | :tag "Single-server list" | |
171 | (list (string :tag "Mailbox") | |
172 | (choice :tag "Predicate" | |
173 | (regexp :tag "A regexp") | |
174 | (nnimap-strict-function :tag "A function")))) | |
175 | (choice :menu-tag "A function" | |
176 | :tag "A function" | |
177 | (function-item nnimap-split-fancy) | |
178 | (function-item nnmail-split-fancy) | |
179 | (nnimap-strict-function :tag "User-defined function")) | |
180 | (repeat :menu-tag "Multi-server (extended)" | |
181 | :tag "Multi-server list" | |
182 | (list (regexp :tag "Server regexp") | |
183 | (list (regexp :tag "Incoming Mailbox regexp") | |
184 | (repeat :tag "Rules for matching server(s) and mailbox(es)" | |
185 | (list (string :tag "Destination mailbox") | |
186 | (choice :tag "Predicate" | |
187 | (regexp :tag "A Regexp") | |
188 | (nnimap-strict-function :tag "A Function"))))))))) | |
189 | ||
190 | (defcustom nnimap-split-predicate "UNSEEN UNDELETED" | |
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191 | "The predicate used to find articles to split. |
192 | If you use another IMAP client to peek on articles but always would | |
193 | like nnimap to split them once it's started, you could change this to | |
194 | \"UNDELETED\". Other available predicates are available in | |
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195 | RFC2060 section 6.4.4." |
196 | :group 'nnimap | |
197 | :type 'string) | |
198 | ||
199 | (defcustom nnimap-split-fancy nil | |
200 | "Like the variable `nnmail-split-fancy'." | |
201 | :group 'nnimap | |
202 | :type 'sexp) | |
203 | ||
204 | (defvar nnimap-split-download-body-default nil | |
205 | "Internal variable with default value for `nnimap-split-download-body'.") | |
206 | ||
207 | (defcustom nnimap-split-download-body 'default | |
208 | "Whether to download entire articles during splitting. | |
209 | This is generally not required, and will slow things down considerably. | |
210 | You may need it if you want to use an advanced splitting function that | |
78c4cc49 | 211 | analyzes the body before splitting the article. |
23f87bed | 212 | If this variable is nil, bodies will not be downloaded; if this |
ec5741dc | 213 | variable is the symbol `default' the default behavior is |
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214 | used (which currently is nil, unless you use a statistical |
215 | spam.el test); if this variable is another non-nil value bodies | |
216 | will be downloaded." | |
bf247b6e | 217 | :version "22.1" |
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218 | :group 'nnimap |
219 | :type '(choice (const :tag "Let system decide" deault) | |
220 | boolean)) | |
221 | ||
222 | ;; Performance / bug workaround variables | |
223 | ||
224 | (defcustom nnimap-close-asynchronous t | |
225 | "Close mailboxes asynchronously in `nnimap-close-group'. | |
a08b59c9 | 226 | This means that errors caught by nnimap when closing the mailbox will |
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227 | not prevent Gnus from updating the group status, which may be harmful. |
228 | However, it increases speed." | |
bf247b6e | 229 | :version "22.1" |
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230 | :type 'boolean |
231 | :group 'nnimap) | |
232 | ||
233 | (defcustom nnimap-dont-close t | |
234 | "Never close mailboxes. | |
235 | This increases the speed of closing mailboxes (quiting group) but may | |
236 | decrease the speed of selecting another mailbox later. Re-selecting | |
237 | the same mailbox will be faster though." | |
bf247b6e | 238 | :version "22.1" |
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239 | :type 'boolean |
240 | :group 'nnimap) | |
241 | ||
242 | (defcustom nnimap-retrieve-groups-asynchronous t | |
243 | "Send asynchronous STATUS commands for each mailbox before checking mail. | |
244 | If you have mailboxes that rarely receives mail, this speeds up new | |
245 | mail checking. It works by first sending STATUS commands for each | |
246 | mailbox, and then only checking groups which has a modified UIDNEXT | |
247 | more carefully for new mail. | |
c113de23 | 248 | |
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249 | In summary, the default is O((1-p)*k+p*n) and changing it to nil makes |
250 | it O(n). If p is small, then the default is probably faster." | |
bf247b6e | 251 | :version "22.1" |
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252 | :type 'boolean |
253 | :group 'nnimap) | |
254 | ||
01c52d31 | 255 | (defvoo nnimap-need-unselect-to-notice-new-mail t |
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256 | "Unselect mailboxes before looking for new mail in them. |
257 | Some servers seem to need this under some circumstances.") | |
c113de23 | 258 | |
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259 | (defvoo nnimap-logout-timeout nil |
260 | "Close server immediately if it can't logout in this number of seconds. | |
261 | If it is nil, never close server until logout completes. This variable | |
262 | overrides `imap-logout-timeout' on a per-server basis.") | |
263 | ||
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264 | ;; Authorization / Privacy variables |
265 | ||
266 | (defvoo nnimap-auth-method nil | |
267 | "Obsolete.") | |
268 | ||
269 | (defvoo nnimap-stream nil | |
270 | "How nnimap will connect to the server. | |
271 | ||
272 | The default, nil, will try to use the \"best\" method the server can | |
273 | handle. | |
274 | ||
275 | Change this if | |
276 | ||
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277 | 1) you want to connect with TLS/SSL. The TLS/SSL integration |
278 | with IMAP is suboptimal so you'll have to tell it | |
279 | specifically. | |
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280 | |
281 | 2) your server is more capable than your environment -- i.e. your | |
282 | server accept Kerberos login's but you haven't installed the | |
283 | `imtest' program or your machine isn't configured for Kerberos. | |
284 | ||
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285 | Possible choices: gssapi, kerberos4, starttls, tls, ssl, network, shell. |
286 | See also `imap-streams' and `imap-stream-alist'.") | |
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287 | |
288 | (defvoo nnimap-authenticator nil | |
289 | "How nnimap authenticate itself to the server. | |
290 | ||
291 | The default, nil, will try to use the \"best\" method the server can | |
292 | handle. | |
293 | ||
294 | There is only one reason for fiddling with this variable, and that is | |
295 | if your server is more capable than your environment -- i.e. you | |
296 | connect to a server that accept Kerberos login's but you haven't | |
297 | installed the `imtest' program or your machine isn't configured for | |
298 | Kerberos. | |
299 | ||
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300 | Possible choices: gssapi, kerberos4, digest-md5, cram-md5, login, anonymous. |
301 | See also `imap-authenticators' and `imap-authenticator-alist'") | |
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302 | |
303 | (defvoo nnimap-directory (nnheader-concat gnus-directory "overview/") | |
304 | "Directory to keep NOV cache files for nnimap groups. | |
305 | See also `nnimap-nov-file-name'.") | |
306 | ||
307 | (defvoo nnimap-nov-file-name "nnimap." | |
308 | "NOV cache base filename. | |
309 | The group name and `nnimap-nov-file-name-suffix' will be appended. A | |
310 | typical complete file name would be | |
311 | ~/News/overview/nnimap.pdc.INBOX.ding.nov, or | |
312 | ~/News/overview/nnimap/pdc/INBOX/ding/nov if | |
313 | `nnmail-use-long-file-names' is nil") | |
314 | ||
315 | (defvoo nnimap-nov-file-name-suffix ".novcache" | |
316 | "Suffix for NOV cache base filename.") | |
317 | ||
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318 | (defvoo nnimap-nov-is-evil gnus-agent |
319 | "If non-nil, never generate or use a local nov database for this backend. | |
320 | Using nov databases should speed up header fetching considerably. | |
321 | However, it will invoke a UID SEARCH UID command on the server, and | |
322 | some servers implement this command inefficiently by opening each and | |
323 | every message in the group, thus making it quite slow. | |
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324 | Unlike other backends, you do not need to take special care if you |
325 | flip this variable.") | |
326 | ||
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327 | (defvoo nnimap-search-uids-not-since-is-evil nil |
328 | "If non-nil, avoid \"UID SEARCH UID ... NOT SINCE\" queries when expiring. | |
329 | Instead, use \"UID SEARCH SINCE\" to prune the list of expirable | |
330 | articles within Gnus. This seems to be faster on Courier in some cases.") | |
331 | ||
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332 | (defvoo nnimap-expunge-on-close 'always ; 'ask, 'never |
333 | "Whether to expunge a group when it is closed. | |
334 | When a IMAP group with articles marked for deletion is closed, this | |
335 | variable determine if nnimap should actually remove the articles or | |
336 | not. | |
337 | ||
338 | If always, nnimap always perform a expunge when closing the group. | |
339 | If never, nnimap never expunges articles marked for deletion. | |
340 | If ask, nnimap will ask you if you wish to expunge marked articles. | |
341 | ||
342 | When setting this variable to `never', you can only expunge articles | |
343 | by using `G x' (gnus-group-nnimap-expunge) from the Group buffer.") | |
344 | ||
345 | (defvoo nnimap-list-pattern "*" | |
346 | "A string LIMIT or list of strings with mailbox wildcards used to limit available groups. | |
347 | See below for available wildcards. | |
348 | ||
349 | The LIMIT string can be a cons cell (REFERENCE . LIMIT), where | |
350 | REFERENCE will be passed as the first parameter to LIST/LSUB. The | |
351 | semantics of this are server specific, on the University of Washington | |
352 | server you can specify a directory. | |
353 | ||
354 | Example: | |
355 | '(\"INBOX\" \"mail/*\" (\"~friend/mail/\" . \"list/*\")) | |
356 | ||
357 | There are two wildcards * and %. * matches everything, % matches | |
358 | everything in the current hierarchy.") | |
359 | ||
360 | (defvoo nnimap-news-groups nil | |
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361 | "IMAP support a news-like mode, also known as bulletin board mode, |
362 | where replies is sent via IMAP instead of SMTP. | |
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363 | |
364 | This variable should contain a regexp matching groups where you wish | |
365 | replies to be stored to the mailbox directly. | |
366 | ||
367 | Example: | |
368 | '(\"^[^I][^N][^B][^O][^X].*$\") | |
369 | ||
370 | This will match all groups not beginning with \"INBOX\". | |
371 | ||
372 | Note that there is nothing technically different between mail-like and | |
373 | news-like mailboxes. If you wish to have a group with todo items or | |
374 | similar which you wouldn't want to set up a mailing list for, you can | |
375 | use this to make replies go directly to the group.") | |
376 | ||
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377 | (defvoo nnimap-expunge-search-string "UID %s NOT SINCE %s" |
378 | "IMAP search command to use for articles that are to be expired. | |
379 | The first %s is replaced by a UID set of articles to search on, | |
380 | and the second %s is replaced by a date criterium. | |
381 | ||
382 | One useful (and perhaps the only useful) value to change this to would | |
383 | be `UID %s NOT SENTSINCE %s' to make nnimap use the Date: header | |
384 | instead of the internal date of messages. See section 6.4.4 of RFC | |
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385 | 2060 for more information on valid strings. |
386 | ||
387 | However, if `nnimap-search-uids-not-since-is-evil' is true, this | |
388 | variable has no effect since the search logic is reversed.") | |
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389 | |
390 | (defvoo nnimap-importantize-dormant t | |
391 | "If non-nil, mark \"dormant\" articles as \"ticked\" for other IMAP clients. | |
392 | Note that within Gnus, dormant articles will still (only) be | |
393 | marked as ticked. This is to make \"dormant\" articles stand out, | |
394 | just like \"ticked\" articles, in other IMAP clients.") | |
395 | ||
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396 | (defvoo nnimap-server-address nil |
397 | "Obsolete. Use `nnimap-address'.") | |
398 | ||
399 | (defcustom nnimap-authinfo-file "~/.authinfo" | |
400 | "Authorization information for IMAP servers. In .netrc format." | |
401 | :type | |
402 | '(choice file | |
403 | (repeat :tag "Entries" | |
404 | :menu-tag "Inline" | |
405 | (list :format "%v" | |
406 | :value ("" ("login" . "") ("password" . "")) | |
407 | (string :tag "Host") | |
408 | (checklist :inline t | |
409 | (cons :format "%v" | |
410 | (const :format "" "login") | |
411 | (string :format "Login: %v")) | |
412 | (cons :format "%v" | |
413 | (const :format "" "password") | |
da9b82bb KS |
414 | (string :format "Password: %v")))))) |
415 | :group 'nnimap) | |
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416 | |
417 | (defcustom nnimap-prune-cache t | |
418 | "If non-nil, nnimap check whether articles still exist on server before using data stored in NOV cache." | |
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419 | :type 'boolean |
420 | :group 'nnimap) | |
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421 | |
422 | (defvar nnimap-request-list-method 'imap-mailbox-list | |
423 | "Method to use to request a list of all folders from the server. | |
424 | If this is 'imap-mailbox-lsub, then use a server-side subscription list to | |
425 | restrict visible folders.") | |
426 | ||
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427 | (defcustom nnimap-id nil |
428 | "Plist with client identity to send to server upon login. | |
56fd9faa JB |
429 | A nil value means no information is sent, symbol `no' to disable ID query |
430 | altogether, or plist with identifier-value pairs to send to | |
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431 | server. RFC 2971 describes the list as follows: |
432 | ||
433 | Any string may be sent as a field, but the following are defined to | |
434 | describe certain values that might be sent. Implementations are free | |
435 | to send none, any, or all of these. Strings are not case-sensitive. | |
436 | Field strings MUST NOT be longer than 30 octets. Value strings MUST | |
437 | NOT be longer than 1024 octets. Implementations MUST NOT send more | |
438 | than 30 field-value pairs. | |
439 | ||
440 | name Name of the program | |
441 | version Version number of the program | |
442 | os Name of the operating system | |
443 | os-version Version of the operating system | |
444 | vendor Vendor of the client/server | |
445 | support-url URL to contact for support | |
446 | address Postal address of contact/vendor | |
447 | date Date program was released, specified as a date-time | |
448 | in IMAP4rev1 | |
449 | command Command used to start the program | |
450 | arguments Arguments supplied on the command line, if any | |
451 | if any | |
452 | environment Description of environment, i.e., UNIX environment | |
453 | variables or Windows registry settings | |
454 | ||
455 | Implementations MUST NOT send the same field name more than once. | |
456 | ||
457 | An example plist would be '(\"name\" \"Gnus\" \"version\" gnus-version-number | |
458 | \"os\" system-configuration \"vendor\" \"GNU\")." | |
459 | :group 'nnimap | |
460 | :type '(choice (const :tag "No information" nil) | |
461 | (const :tag "Disable ID query" no) | |
462 | (plist :key-type string :value-type string))) | |
463 | ||
23f87bed | 464 | (defcustom nnimap-debug nil |
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465 | "If non-nil, trace nnimap- functions into `nnimap-debug-buffer'. |
466 | Uses `trace-function-background', so you can turn it off with, | |
467 | say, `untrace-all'. | |
468 | ||
270a576a | 469 | Note that username, passwords and other privacy sensitive |
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470 | information (such as e-mail) may be stored in the buffer. |
471 | It is not written to disk, however. Do not enable this | |
472 | variable unless you are comfortable with that. | |
473 | ||
474 | This variable only takes effect when loading the `nnimap' library. | |
475 | See also `nnimap-log'." | |
23f87bed MB |
476 | :group 'nnimap |
477 | :type 'boolean) | |
478 | ||
c113de23 GM |
479 | ;; Internal variables: |
480 | ||
23f87bed MB |
481 | (defvar nnimap-debug-buffer "*nnimap-debug*") |
482 | (defvar nnimap-mailbox-info (gnus-make-hashtable 997)) | |
c113de23 GM |
483 | (defvar nnimap-current-move-server nil) |
484 | (defvar nnimap-current-move-group nil) | |
485 | (defvar nnimap-current-move-article nil) | |
486 | (defvar nnimap-length) | |
487 | (defvar nnimap-progress-chars '(?| ?/ ?- ?\\)) | |
488 | (defvar nnimap-progress-how-often 20) | |
489 | (defvar nnimap-counter) | |
c113de23 | 490 | (defvar nnimap-server-buffer-alist nil) ;; Map server name to buffers. |
23f87bed MB |
491 | (defvar nnimap-current-server nil) ;; Current server |
492 | (defvar nnimap-server-buffer nil) ;; Current servers' buffer | |
c113de23 GM |
493 | |
494 | \f | |
495 | ||
496 | (nnoo-define-basics nnimap) | |
497 | ||
498 | ;; Utility functions: | |
499 | ||
500 | (defsubst nnimap-get-server-buffer (server) | |
501 | "Return buffer for SERVER, if nil use current server." | |
502 | (cadr (assoc (or server nnimap-current-server) nnimap-server-buffer-alist))) | |
503 | ||
01c52d31 MB |
504 | (defun nnimap-remove-server-from-buffer-alist (server list) |
505 | "Remove SERVER from LIST." | |
506 | (let (l) | |
507 | (dolist (e list) | |
508 | (unless (equal server (car-safe e)) | |
509 | (push e l))) | |
510 | l)) | |
511 | ||
c113de23 GM |
512 | (defun nnimap-possibly-change-server (server) |
513 | "Return buffer for SERVER, changing the current server as a side-effect. | |
514 | If SERVER is nil, uses the current server." | |
515 | (setq nnimap-current-server (or server nnimap-current-server) | |
516 | nnimap-server-buffer (nnimap-get-server-buffer nnimap-current-server))) | |
517 | ||
518 | (defun nnimap-verify-uidvalidity (group server) | |
519 | "Verify stored uidvalidity match current one in GROUP on SERVER." | |
520 | (let* ((gnusgroup (gnus-group-prefixed-name | |
521 | group (gnus-server-to-method | |
522 | (format "nnimap:%s" server)))) | |
523 | (new-uidvalidity (imap-mailbox-get 'uidvalidity)) | |
a2617484 DL |
524 | (old-uidvalidity (gnus-group-get-parameter gnusgroup 'uidvalidity)) |
525 | (dir (file-name-as-directory (expand-file-name nnimap-directory))) | |
23f87bed MB |
526 | (nameuid (nnheader-translate-file-chars |
527 | (concat nnimap-nov-file-name | |
528 | (if (equal server "") | |
529 | "unnamed" | |
530 | server) "." group "." old-uidvalidity | |
531 | nnimap-nov-file-name-suffix) t)) | |
532 | (file (if (or nnmail-use-long-file-names | |
a2617484 DL |
533 | (file-exists-p (expand-file-name nameuid dir))) |
534 | (expand-file-name nameuid dir) | |
535 | (expand-file-name | |
536 | (mm-encode-coding-string | |
537 | (nnheader-replace-chars-in-string nameuid ?. ?/) | |
538 | nnmail-pathname-coding-system) | |
539 | dir)))) | |
c113de23 GM |
540 | (if old-uidvalidity |
541 | (if (not (equal old-uidvalidity new-uidvalidity)) | |
a2617484 DL |
542 | ;; uidvalidity clash |
543 | (gnus-delete-file file) | |
c113de23 GM |
544 | (gnus-group-set-parameter gnusgroup 'uidvalidity new-uidvalidity) |
545 | t) | |
546 | (gnus-group-add-parameter gnusgroup (cons 'uidvalidity new-uidvalidity)) | |
547 | t))) | |
548 | ||
549 | (defun nnimap-before-find-minmax-bugworkaround () | |
550 | "Function called before iterating through mailboxes with | |
551 | `nnimap-find-minmax-uid'." | |
23f87bed MB |
552 | (when nnimap-need-unselect-to-notice-new-mail |
553 | ;; XXX this is for UoW imapd problem, it doesn't notice new mail in | |
554 | ;; currently selected mailbox without a re-select/examine. | |
555 | (or (null (imap-current-mailbox nnimap-server-buffer)) | |
556 | (imap-mailbox-unselect nnimap-server-buffer)))) | |
c113de23 GM |
557 | |
558 | (defun nnimap-find-minmax-uid (group &optional examine) | |
8f688cb0 | 559 | "Find lowest and highest active article number in GROUP. |
c113de23 GM |
560 | If EXAMINE is non-nil the group is selected read-only." |
561 | (with-current-buffer nnimap-server-buffer | |
23f87bed MB |
562 | (when (or (string= group (imap-current-mailbox)) |
563 | (imap-mailbox-select group examine)) | |
c113de23 GM |
564 | (let (minuid maxuid) |
565 | (when (> (imap-mailbox-get 'exists) 0) | |
e3e955fe | 566 | (imap-fetch-safe '("1,*" . "1,*:*") "UID" nil 'nouidfetch) |
c113de23 GM |
567 | (imap-message-map (lambda (uid Uid) |
568 | (setq minuid (if minuid (min minuid uid) uid) | |
569 | maxuid (if maxuid (max maxuid uid) uid))) | |
570 | 'UID)) | |
571 | (list (imap-mailbox-get 'exists) minuid maxuid))))) | |
a1506d29 | 572 | |
c113de23 GM |
573 | (defun nnimap-possibly-change-group (group &optional server) |
574 | "Make GROUP the current group, and SERVER the current server." | |
575 | (when (nnimap-possibly-change-server server) | |
576 | (with-current-buffer nnimap-server-buffer | |
577 | (if (or (null group) (imap-current-mailbox-p group)) | |
578 | imap-current-mailbox | |
579 | (if (imap-mailbox-select group) | |
580 | (if (or (nnimap-verify-uidvalidity | |
581 | group (or server nnimap-current-server)) | |
582 | (zerop (imap-mailbox-get 'exists group)) | |
23f87bed MB |
583 | t ;; for OGnus to see if ignoring uidvalidity |
584 | ;; changes has any bad effects. | |
c113de23 GM |
585 | (yes-or-no-p |
586 | (format | |
587 | "nnimap: Group %s is not uidvalid. Continue? " group))) | |
588 | imap-current-mailbox | |
589 | (imap-mailbox-unselect) | |
715a2ca2 | 590 | (error "nnimap: Group %s is not uid-valid" group)) |
c113de23 GM |
591 | (nnheader-report 'nnimap (imap-error-text))))))) |
592 | ||
593 | (defun nnimap-replace-whitespace (string) | |
594 | "Return STRING with all whitespace replaced with space." | |
595 | (when string | |
596 | (while (string-match "[\r\n\t]+" string) | |
597 | (setq string (replace-match " " t t string))) | |
598 | string)) | |
599 | ||
600 | ;; Required backend functions | |
601 | ||
602 | (defun nnimap-retrieve-headers-progress () | |
603 | "Hook to insert NOV line for current article into `nntp-server-buffer'." | |
604 | (and (numberp nnmail-large-newsgroup) | |
605 | (zerop (% (incf nnimap-counter) nnimap-progress-how-often)) | |
606 | (> nnimap-length nnmail-large-newsgroup) | |
607 | (nnheader-message 6 "nnimap: Retrieving headers... %c" | |
608 | (nth (/ (% nnimap-counter | |
609 | (* (length nnimap-progress-chars) | |
610 | nnimap-progress-how-often)) | |
611 | nnimap-progress-how-often) | |
612 | nnimap-progress-chars))) | |
613 | (with-current-buffer nntp-server-buffer | |
614 | (let (headers lines chars uid mbx) | |
615 | (with-current-buffer nnimap-server-buffer | |
616 | (setq uid imap-current-message | |
617 | mbx imap-current-mailbox | |
06c68f84 SM |
618 | headers (if (imap-capability 'IMAP4rev1) |
619 | ;; xxx don't just use car? alist doesn't contain | |
620 | ;; anything else now, but it might... | |
621 | (nth 2 (car (imap-message-get uid 'BODYDETAIL))) | |
622 | (imap-message-get uid 'RFC822.HEADER)) | |
c113de23 GM |
623 | lines (imap-body-lines (imap-message-body imap-current-message)) |
624 | chars (imap-message-get imap-current-message 'RFC822.SIZE))) | |
625 | (nnheader-insert-nov | |
9c5fe825 SM |
626 | ;; At this stage, we only have bytes, so let's use unibyte buffers |
627 | ;; to make it more clear. | |
628 | (mm-with-unibyte-buffer | |
c113de23 | 629 | (buffer-disable-undo) |
9b2bac71 | 630 | ;; headers can be nil if article is write-only |
d549e52b | 631 | (when headers (insert headers)) |
01c52d31 | 632 | (let ((head (nnheader-parse-naked-head uid))) |
c113de23 GM |
633 | (mail-header-set-number head uid) |
634 | (mail-header-set-chars head chars) | |
635 | (mail-header-set-lines head lines) | |
636 | (mail-header-set-xref | |
637 | head (format "%s %s:%d" (system-name) mbx uid)) | |
638 | head)))))) | |
639 | ||
640 | (defun nnimap-retrieve-which-headers (articles fetch-old) | |
641 | "Get a range of articles to fetch based on ARTICLES and FETCH-OLD." | |
642 | (with-current-buffer nnimap-server-buffer | |
643 | (if (numberp (car-safe articles)) | |
644 | (imap-search | |
645 | (concat "UID " | |
646 | (imap-range-to-message-set | |
647 | (gnus-compress-sequence | |
648 | (append (gnus-uncompress-sequence | |
649 | (and fetch-old | |
650 | (cons (if (numberp fetch-old) | |
651 | (max 1 (- (car articles) fetch-old)) | |
652 | 1) | |
653 | (1- (car articles))))) | |
654 | articles))))) | |
655 | (mapcar (lambda (msgid) | |
656 | (imap-search | |
23f87bed | 657 | (format "HEADER Message-Id \"%s\"" msgid))) |
c113de23 GM |
658 | articles)))) |
659 | ||
660 | (defun nnimap-group-overview-filename (group server) | |
35ef97a5 | 661 | "Make file name for GROUP on SERVER." |
a2617484 | 662 | (let* ((dir (file-name-as-directory (expand-file-name nnimap-directory))) |
23f87bed MB |
663 | (uidvalidity (gnus-group-get-parameter |
664 | (gnus-group-prefixed-name | |
665 | group (gnus-server-to-method | |
666 | (format "nnimap:%s" server))) | |
667 | 'uidvalidity)) | |
668 | (name (nnheader-translate-file-chars | |
669 | (concat nnimap-nov-file-name | |
670 | (if (equal server "") | |
671 | "unnamed" | |
672 | server) "." group nnimap-nov-file-name-suffix) t)) | |
673 | (nameuid (nnheader-translate-file-chars | |
674 | (concat nnimap-nov-file-name | |
675 | (if (equal server "") | |
676 | "unnamed" | |
677 | server) "." group "." uidvalidity | |
678 | nnimap-nov-file-name-suffix) t)) | |
679 | (oldfile (if (or nnmail-use-long-file-names | |
680 | (file-exists-p (expand-file-name name dir))) | |
681 | (expand-file-name name dir) | |
682 | (expand-file-name | |
683 | (mm-encode-coding-string | |
684 | (nnheader-replace-chars-in-string name ?. ?/) | |
685 | nnmail-pathname-coding-system) | |
686 | dir))) | |
687 | (newfile (if (or nnmail-use-long-file-names | |
688 | (file-exists-p (expand-file-name nameuid dir))) | |
689 | (expand-file-name nameuid dir) | |
690 | (expand-file-name | |
691 | (mm-encode-coding-string | |
692 | (nnheader-replace-chars-in-string nameuid ?. ?/) | |
693 | nnmail-pathname-coding-system) | |
694 | dir)))) | |
a2617484 DL |
695 | (when (and (file-exists-p oldfile) (not (file-exists-p newfile))) |
696 | (message "nnimap: Upgrading novcache filename...") | |
697 | (sit-for 1) | |
698 | (gnus-make-directory (file-name-directory newfile)) | |
699 | (unless (ignore-errors (rename-file oldfile newfile) t) | |
700 | (if (ignore-errors (copy-file oldfile newfile) t) | |
701 | (delete-file oldfile) | |
702 | (error "Can't rename `%s' to `%s'" oldfile newfile)))) | |
703 | newfile)) | |
c113de23 GM |
704 | |
705 | (defun nnimap-retrieve-headers-from-file (group server) | |
706 | (with-current-buffer nntp-server-buffer | |
707 | (let ((nov (nnimap-group-overview-filename group server))) | |
708 | (when (file-exists-p nov) | |
709 | (mm-insert-file-contents nov) | |
710 | (set-buffer-modified-p nil) | |
711 | (let ((min (ignore-errors (goto-char (point-min)) | |
712 | (read (current-buffer)))) | |
713 | (max (ignore-errors (goto-char (point-max)) | |
714 | (forward-line -1) | |
715 | (read (current-buffer))))) | |
716 | (if (and (numberp min) (numberp max)) | |
717 | (cons min max) | |
718 | ;; junk, remove it, it's saved later | |
719 | (erase-buffer) | |
720 | nil)))))) | |
721 | ||
722 | (defun nnimap-retrieve-headers-from-server (articles group server) | |
723 | (with-current-buffer nnimap-server-buffer | |
724 | (let ((imap-fetch-data-hook '(nnimap-retrieve-headers-progress)) | |
725 | (nnimap-length (gnus-range-length articles)) | |
726 | (nnimap-counter 0)) | |
727 | (imap-fetch (imap-range-to-message-set articles) | |
728 | (concat "(UID RFC822.SIZE BODY " | |
729 | (let ((headers | |
730 | (append '(Subject From Date Message-Id | |
731 | References In-Reply-To Xref) | |
732 | (copy-sequence | |
733 | nnmail-extra-headers)))) | |
734 | (if (imap-capability 'IMAP4rev1) | |
735 | (format "BODY.PEEK[HEADER.FIELDS %s])" headers) | |
736 | (format "RFC822.HEADER.LINES %s)" headers))))) | |
ec3c4a4c | 737 | (with-current-buffer nntp-server-buffer |
f66ce3b9 | 738 | (sort-numeric-fields 1 (point-min) (point-max))) |
c113de23 GM |
739 | (and (numberp nnmail-large-newsgroup) |
740 | (> nnimap-length nnmail-large-newsgroup) | |
741 | (nnheader-message 6 "nnimap: Retrieving headers...done"))))) | |
742 | ||
23f87bed | 743 | (defun nnimap-dont-use-nov-p (group server) |
c113de23 GM |
744 | (or gnus-nov-is-evil nnimap-nov-is-evil |
745 | (unless (and (gnus-make-directory | |
746 | (file-name-directory | |
747 | (nnimap-group-overview-filename group server))) | |
748 | (file-writable-p | |
749 | (nnimap-group-overview-filename group server))) | |
750 | (message "nnimap: Nov cache not writable, %s" | |
751 | (nnimap-group-overview-filename group server))))) | |
752 | ||
753 | (deffoo nnimap-retrieve-headers (articles &optional group server fetch-old) | |
754 | (when (nnimap-possibly-change-group group server) | |
755 | (with-current-buffer nntp-server-buffer | |
756 | (erase-buffer) | |
23f87bed | 757 | (if (nnimap-dont-use-nov-p group server) |
c113de23 GM |
758 | (nnimap-retrieve-headers-from-server |
759 | (gnus-compress-sequence articles) group server) | |
760 | (let (uids cached low high) | |
761 | (when (setq uids (nnimap-retrieve-which-headers articles fetch-old) | |
762 | low (car uids) | |
763 | high (car (last uids))) | |
764 | (if (setq cached (nnimap-retrieve-headers-from-file group server)) | |
765 | (progn | |
766 | ;; fetch articles with uids before cache block | |
767 | (when (< low (car cached)) | |
768 | (goto-char (point-min)) | |
769 | (nnimap-retrieve-headers-from-server | |
770 | (cons low (1- (car cached))) group server)) | |
771 | ;; fetch articles with uids after cache block | |
772 | (when (> high (cdr cached)) | |
773 | (goto-char (point-max)) | |
774 | (nnimap-retrieve-headers-from-server | |
775 | (cons (1+ (cdr cached)) high) group server)) | |
776 | (when nnimap-prune-cache | |
777 | ;; remove nov's for articles which has expired on server | |
778 | (goto-char (point-min)) | |
779 | (dolist (uid (gnus-set-difference articles uids)) | |
23f87bed MB |
780 | (when (re-search-forward (format "^%d\t" uid) nil t) |
781 | (gnus-delete-line))))) | |
c113de23 GM |
782 | ;; nothing cached, fetch whole range from server |
783 | (nnimap-retrieve-headers-from-server | |
784 | (cons low high) group server)) | |
785 | (when (buffer-modified-p) | |
786 | (nnmail-write-region | |
bcb0fd5c SM |
787 | (point-min) (point-max) |
788 | (nnimap-group-overview-filename group server) nil 'nomesg)) | |
c113de23 GM |
789 | (nnheader-nov-delete-outside-range low high)))) |
790 | 'nov))) | |
791 | ||
792 | (defun nnimap-open-connection (server) | |
01c52d31 MB |
793 | ;; Note: `nnimap-open-server' that calls this function binds |
794 | ;; `imap-logout-timeout' to `nnimap-logout-timeout'. | |
c113de23 GM |
795 | (if (not (imap-open nnimap-address nnimap-server-port nnimap-stream |
796 | nnimap-authenticator nnimap-server-buffer)) | |
797 | (nnheader-report 'nnimap "Can't open connection to server %s" server) | |
798 | (unless (or (imap-capability 'IMAP4 nnimap-server-buffer) | |
799 | (imap-capability 'IMAP4rev1 nnimap-server-buffer)) | |
800 | (imap-close nnimap-server-buffer) | |
801 | (nnheader-report 'nnimap "Server %s is not IMAP4 compliant" server)) | |
fa9a04e1 MB |
802 | (let* ((list (progn (gnus-message 7 "Parsing authinfo file `%s'." |
803 | nnimap-authinfo-file) | |
01c52d31 MB |
804 | (netrc-parse nnimap-authinfo-file))) |
805 | (port (if nnimap-server-port | |
806 | (int-to-string nnimap-server-port) | |
807 | "imap")) | |
3b36c17e MB |
808 | (auth-info |
809 | (auth-source-user-or-password '("login" "password") server port)) | |
810 | (auth-user (nth 0 auth-info)) | |
811 | (auth-passwd (nth 1 auth-info)) | |
8abf1b22 | 812 | (user (or |
3b36c17e | 813 | auth-user ; this is preferred to netrc-* |
e952b711 MB |
814 | (netrc-machine-user-or-password |
815 | "login" | |
816 | list | |
817 | (list server | |
818 | (or nnimap-server-address | |
819 | nnimap-address)) | |
820 | (list port) | |
821 | (list "imap" "imaps" "143" "993")))) | |
8abf1b22 | 822 | (passwd (or |
3b36c17e | 823 | auth-passwd ; this is preferred to netrc-* |
e952b711 MB |
824 | (netrc-machine-user-or-password |
825 | "password" | |
826 | list | |
827 | (list server | |
828 | (or nnimap-server-address | |
829 | nnimap-address)) | |
830 | (list port) | |
831 | (list "imap" "imaps" "143" "993"))))) | |
c113de23 | 832 | (if (imap-authenticate user passwd nnimap-server-buffer) |
01c52d31 MB |
833 | (prog2 |
834 | (setq nnimap-server-buffer-alist | |
835 | (nnimap-remove-server-from-buffer-alist | |
836 | server | |
837 | nnimap-server-buffer-alist)) | |
c113de23 GM |
838 | (push (list server nnimap-server-buffer) |
839 | nnimap-server-buffer-alist) | |
01c52d31 | 840 | (imap-id nnimap-id nnimap-server-buffer) |
c113de23 GM |
841 | (nnimap-possibly-change-server server)) |
842 | (imap-close nnimap-server-buffer) | |
843 | (kill-buffer nnimap-server-buffer) | |
844 | (nnheader-report 'nnimap "Could not authenticate to %s" server))))) | |
845 | ||
846 | (deffoo nnimap-open-server (server &optional defs) | |
847 | (nnheader-init-server-buffer) | |
848 | (if (nnimap-server-opened server) | |
849 | t | |
850 | (unless (assq 'nnimap-server-buffer defs) | |
851 | (push (list 'nnimap-server-buffer (concat " *nnimap* " server)) defs)) | |
852 | ;; translate `nnimap-server-address' to `nnimap-address' in defs | |
853 | ;; for people that configured nnimap with a very old version | |
854 | (unless (assq 'nnimap-address defs) | |
855 | (if (assq 'nnimap-server-address defs) | |
856 | (push (list 'nnimap-address | |
857 | (cadr (assq 'nnimap-server-address defs))) defs) | |
858 | (push (list 'nnimap-address server) defs))) | |
859 | (nnoo-change-server 'nnimap server defs) | |
23f87bed MB |
860 | (or nnimap-server-buffer |
861 | (setq nnimap-server-buffer (cadr (assq 'nnimap-server-buffer defs)))) | |
c113de23 GM |
862 | (with-current-buffer (get-buffer-create nnimap-server-buffer) |
863 | (nnoo-change-server 'nnimap server defs)) | |
01c52d31 MB |
864 | (let ((imap-logout-timeout nnimap-logout-timeout)) |
865 | (or (and nnimap-server-buffer | |
866 | (imap-opened nnimap-server-buffer) | |
867 | (if (with-current-buffer nnimap-server-buffer | |
868 | (memq imap-state '(auth selected examine))) | |
869 | t | |
870 | (imap-close nnimap-server-buffer) | |
871 | (nnimap-open-connection server))) | |
872 | (nnimap-open-connection server))))) | |
c113de23 GM |
873 | |
874 | (deffoo nnimap-server-opened (&optional server) | |
875 | "Whether SERVER is opened. | |
876 | If SERVER is the current virtual server, and the connection to the | |
877 | physical server is alive, this function return a non-nil value. If | |
878 | SERVER is nil, it is treated as the current server." | |
879 | ;; clean up autologouts?? | |
880 | (and (or server nnimap-current-server) | |
881 | (nnoo-server-opened 'nnimap (or server nnimap-current-server)) | |
882 | (imap-opened (nnimap-get-server-buffer server)))) | |
883 | ||
884 | (deffoo nnimap-close-server (&optional server) | |
885 | "Close connection to server and free all resources connected to it. | |
886 | Return nil if the server couldn't be closed for some reason." | |
01c52d31 MB |
887 | (let ((server (or server nnimap-current-server)) |
888 | (imap-logout-timeout nnimap-logout-timeout)) | |
c113de23 GM |
889 | (when (or (nnimap-server-opened server) |
890 | (imap-opened (nnimap-get-server-buffer server))) | |
891 | (imap-close (nnimap-get-server-buffer server)) | |
892 | (kill-buffer (nnimap-get-server-buffer server)) | |
893 | (setq nnimap-server-buffer nil | |
894 | nnimap-current-server nil | |
895 | nnimap-server-buffer-alist | |
01c52d31 MB |
896 | (nnimap-remove-server-from-buffer-alist |
897 | server | |
898 | nnimap-server-buffer-alist))) | |
c113de23 GM |
899 | (nnoo-close-server 'nnimap server))) |
900 | ||
901 | (deffoo nnimap-request-close () | |
902 | "Close connection to all servers and free all resources that the backend have reserved. | |
903 | All buffers that have been created by that | |
904 | backend should be killed. (Not the nntp-server-buffer, though.) This | |
905 | function is generally only called when Gnus is shutting down." | |
01c52d31 MB |
906 | (mapc (lambda (server) (nnimap-close-server (car server))) |
907 | nnimap-server-buffer-alist) | |
c113de23 GM |
908 | (setq nnimap-server-buffer-alist nil)) |
909 | ||
910 | (deffoo nnimap-status-message (&optional server) | |
911 | "This function returns the last error message from server." | |
912 | (when (nnimap-possibly-change-server server) | |
913 | (nnoo-status-message 'nnimap server))) | |
914 | ||
06c68f84 SM |
915 | ;; We used to use a string-as-multibyte here, but it is really incorrect. |
916 | ;; This function is used when we're about to insert a unibyte string | |
917 | ;; into a potentially multibyte buffer. The string is either an article | |
918 | ;; header or body (or both?), undecoded. When Emacs is asked to convert | |
919 | ;; a unibyte string to multibyte, it may either use the equivalent of | |
920 | ;; nothing (e.g. non-Mule XEmacs), string-make-unibyte (i.e. decode using | |
921 | ;; locale), string-as-multibyte (decode using emacs-internal coding system) | |
922 | ;; or string-to-multibyte (keep the data undecoded as a sequence of bytes). | |
923 | ;; Only the last one preserves the data such that we can reliably later on | |
924 | ;; decode the text using the mime info. | |
925 | (defalias 'nnimap-demule 'mm-string-to-multibyte) | |
c113de23 | 926 | |
23f87bed MB |
927 | (defun nnimap-make-callback (article gnus-callback buffer) |
928 | "Return a callback function." | |
bf247b6e | 929 | `(lambda () |
23f87bed MB |
930 | (nnimap-callback ,article ,gnus-callback ,buffer))) |
931 | ||
932 | (defun nnimap-callback (article gnus-callback buffer) | |
933 | (when (eq article (imap-current-message)) | |
934 | (remove-hook 'imap-fetch-data-hook | |
935 | (nnimap-make-callback article gnus-callback buffer)) | |
936 | (with-current-buffer buffer | |
937 | (insert | |
938 | (with-current-buffer nnimap-server-buffer | |
939 | (nnimap-demule | |
940 | (if (imap-capability 'IMAP4rev1) | |
941 | ;; xxx don't just use car? alist doesn't contain | |
942 | ;; anything else now, but it might... | |
943 | (nth 2 (car (imap-message-get article 'BODYDETAIL))) | |
944 | (imap-message-get article 'RFC822))))) | |
945 | (nnheader-ms-strip-cr) | |
946 | (funcall gnus-callback t)))) | |
c113de23 GM |
947 | |
948 | (defun nnimap-request-article-part (article part prop &optional | |
23f87bed | 949 | group server to-buffer detail) |
c113de23 GM |
950 | (when (nnimap-possibly-change-group group server) |
951 | (let ((article (if (stringp article) | |
952 | (car-safe (imap-search | |
23f87bed | 953 | (format "HEADER Message-Id \"%s\"" article) |
c113de23 GM |
954 | nnimap-server-buffer)) |
955 | article))) | |
956 | (when article | |
23f87bed MB |
957 | (gnus-message 10 "nnimap: Fetching (part of) article %d from %s..." |
958 | article (or group imap-current-mailbox | |
959 | gnus-newsgroup-name)) | |
c113de23 GM |
960 | (if (not nnheader-callback-function) |
961 | (with-current-buffer (or to-buffer nntp-server-buffer) | |
962 | (erase-buffer) | |
23f87bed MB |
963 | (let ((data (imap-fetch article part prop nil |
964 | nnimap-server-buffer))) | |
9b2bac71 | 965 | ;; data can be nil if article is write-only |
d549e52b MO |
966 | (when data |
967 | (insert (nnimap-demule (if detail | |
968 | (nth 2 (car data)) | |
969 | data))))) | |
23f87bed MB |
970 | (nnheader-ms-strip-cr) |
971 | (gnus-message | |
972 | 10 "nnimap: Fetching (part of) article %d from %s...done" | |
973 | article (or group imap-current-mailbox gnus-newsgroup-name)) | |
c113de23 | 974 | (if (bobp) |
23f87bed MB |
975 | (nnheader-report 'nnimap "No such article %d in %s: %s" |
976 | article (or group imap-current-mailbox | |
977 | gnus-newsgroup-name) | |
c113de23 GM |
978 | (imap-error-text nnimap-server-buffer)) |
979 | (cons group article))) | |
23f87bed | 980 | (add-hook 'imap-fetch-data-hook |
bf247b6e KS |
981 | (nnimap-make-callback article |
982 | nnheader-callback-function | |
23f87bed | 983 | nntp-server-buffer)) |
c113de23 GM |
984 | (imap-fetch-asynch article part nil nnimap-server-buffer) |
985 | (cons group article)))))) | |
986 | ||
987 | (deffoo nnimap-asynchronous-p () | |
988 | t) | |
989 | ||
990 | (deffoo nnimap-request-article (article &optional group server to-buffer) | |
991 | (if (imap-capability 'IMAP4rev1 nnimap-server-buffer) | |
992 | (nnimap-request-article-part | |
993 | article "BODY.PEEK[]" 'BODYDETAIL group server to-buffer 'detail) | |
994 | (nnimap-request-article-part | |
995 | article "RFC822.PEEK" 'RFC822 group server to-buffer))) | |
996 | ||
997 | (deffoo nnimap-request-head (article &optional group server to-buffer) | |
998 | (if (imap-capability 'IMAP4rev1 nnimap-server-buffer) | |
999 | (nnimap-request-article-part | |
1000 | article "BODY.PEEK[HEADER]" 'BODYDETAIL group server to-buffer 'detail) | |
1001 | (nnimap-request-article-part | |
1002 | article "RFC822.HEADER" 'RFC822.HEADER group server to-buffer))) | |
1003 | ||
1004 | (deffoo nnimap-request-body (article &optional group server to-buffer) | |
1005 | (if (imap-capability 'IMAP4rev1 nnimap-server-buffer) | |
1006 | (nnimap-request-article-part | |
1007 | article "BODY.PEEK[TEXT]" 'BODYDETAIL group server to-buffer 'detail) | |
1008 | (nnimap-request-article-part | |
1009 | article "RFC822.TEXT.PEEK" 'RFC822.TEXT group server to-buffer))) | |
1010 | ||
1011 | (deffoo nnimap-request-group (group &optional server fast) | |
1012 | (nnimap-request-update-info-internal | |
1013 | group | |
1014 | (gnus-get-info (gnus-group-prefixed-name | |
1015 | group (gnus-server-to-method (format "nnimap:%s" server)))) | |
1016 | server) | |
1017 | (when (nnimap-possibly-change-group group server) | |
1018 | (nnimap-before-find-minmax-bugworkaround) | |
1019 | (let (info) | |
1020 | (cond (fast group) | |
1021 | ((null (setq info (nnimap-find-minmax-uid group t))) | |
1022 | (nnheader-report 'nnimap "Could not get active info for %s" | |
1023 | group)) | |
1024 | (t | |
1025 | (nnheader-insert "211 %d %d %d %s\n" (or (nth 0 info) 0) | |
1026 | (max 1 (or (nth 1 info) 1)) | |
1027 | (or (nth 2 info) 0) group) | |
1028 | (nnheader-report 'nnimap "Group %s selected" group) | |
1029 | t))))) | |
1030 | ||
23f87bed MB |
1031 | (defun nnimap-update-unseen (group &optional server) |
1032 | "Update the unseen count in `nnimap-mailbox-info'." | |
1033 | (gnus-sethash | |
1034 | (gnus-group-prefixed-name group server) | |
bf247b6e | 1035 | (let ((old (gnus-gethash-safe (gnus-group-prefixed-name group server) |
23f87bed MB |
1036 | nnimap-mailbox-info))) |
1037 | (list (nth 0 old) (nth 1 old) | |
1038 | (imap-mailbox-status group 'unseen nnimap-server-buffer) | |
1039 | (nth 3 old))) | |
1040 | nnimap-mailbox-info)) | |
1041 | ||
c113de23 GM |
1042 | (defun nnimap-close-group (group &optional server) |
1043 | (with-current-buffer nnimap-server-buffer | |
1044 | (when (and (imap-opened) | |
1045 | (nnimap-possibly-change-group group server)) | |
23f87bed | 1046 | (nnimap-update-unseen group server) |
c113de23 | 1047 | (case nnimap-expunge-on-close |
23f87bed MB |
1048 | (always (progn |
1049 | (imap-mailbox-expunge nnimap-close-asynchronous) | |
1050 | (unless nnimap-dont-close | |
1051 | (imap-mailbox-close nnimap-close-asynchronous)))) | |
1052 | (ask (if (and (imap-search "DELETED") | |
1053 | (gnus-y-or-n-p (format "Expunge articles in group `%s'? " | |
1054 | imap-current-mailbox))) | |
1055 | (progn | |
1056 | (imap-mailbox-expunge nnimap-close-asynchronous) | |
1057 | (unless nnimap-dont-close | |
1058 | (imap-mailbox-close nnimap-close-asynchronous))) | |
1059 | (imap-mailbox-unselect))) | |
c113de23 GM |
1060 | (t (imap-mailbox-unselect))) |
1061 | (not imap-current-mailbox)))) | |
1062 | ||
1063 | (defun nnimap-pattern-to-list-arguments (pattern) | |
1064 | (mapcar (lambda (p) | |
1065 | (cons (car-safe p) (or (cdr-safe p) p))) | |
1066 | (if (and (listp pattern) | |
1067 | (listp (cdr pattern))) | |
1068 | pattern | |
1069 | (list pattern)))) | |
1070 | ||
1071 | (deffoo nnimap-request-list (&optional server) | |
1072 | (when (nnimap-possibly-change-server server) | |
1073 | (with-current-buffer nntp-server-buffer | |
1074 | (erase-buffer)) | |
1075 | (gnus-message 5 "nnimap: Generating active list%s..." | |
1076 | (if (> (length server) 0) (concat " for " server) "")) | |
1077 | (nnimap-before-find-minmax-bugworkaround) | |
1078 | (with-current-buffer nnimap-server-buffer | |
1079 | (dolist (pattern (nnimap-pattern-to-list-arguments nnimap-list-pattern)) | |
1080 | (dolist (mbx (funcall nnimap-request-list-method | |
1081 | (cdr pattern) (car pattern))) | |
1082 | (or (member "\\NoSelect" (imap-mailbox-get 'list-flags mbx)) | |
1083 | (let ((info (nnimap-find-minmax-uid mbx 'examine))) | |
1084 | (when info | |
1085 | (with-current-buffer nntp-server-buffer | |
23f87bed MB |
1086 | (insert (format "\"%s\" %d %d y\n" |
1087 | mbx (or (nth 2 info) 0) | |
1088 | (max 1 (or (nth 1 info) 1))))))))))) | |
c113de23 GM |
1089 | (gnus-message 5 "nnimap: Generating active list%s...done" |
1090 | (if (> (length server) 0) (concat " for " server) "")) | |
1091 | t)) | |
1092 | ||
1093 | (deffoo nnimap-request-post (&optional server) | |
1094 | (let ((success t)) | |
1095 | (dolist (mbx (message-unquote-tokens | |
23f87bed MB |
1096 | (message-tokenize-header |
1097 | (message-fetch-field "Newsgroups") ", ")) success) | |
c113de23 GM |
1098 | (let ((to-newsgroup (gnus-group-prefixed-name mbx gnus-command-method))) |
1099 | (or (gnus-active to-newsgroup) | |
1100 | (gnus-activate-group to-newsgroup) | |
1101 | (if (gnus-y-or-n-p (format "No such group: %s. Create it? " | |
1102 | to-newsgroup)) | |
1103 | (or (and (gnus-request-create-group | |
1104 | to-newsgroup gnus-command-method) | |
1105 | (gnus-activate-group to-newsgroup nil nil | |
1106 | gnus-command-method)) | |
1107 | (error "Couldn't create group %s" to-newsgroup))) | |
1108 | (error "No such group: %s" to-newsgroup)) | |
1109 | (unless (nnimap-request-accept-article mbx (nth 1 gnus-command-method)) | |
1110 | (setq success nil)))))) | |
1111 | ||
1112 | ;; Optional backend functions | |
1113 | ||
23f87bed MB |
1114 | (defun nnimap-string-lessp-numerical (s1 s2) |
1115 | "Return t if first arg string is less than second in numerical order." | |
1116 | (cond ((string= s1 s2) | |
1117 | nil) | |
1118 | ((> (length s1) (length s2)) | |
1119 | nil) | |
1120 | ((< (length s1) (length s2)) | |
1121 | t) | |
1122 | ((< (string-to-number (substring s1 0 1)) | |
1123 | (string-to-number (substring s2 0 1))) | |
1124 | t) | |
1125 | ((> (string-to-number (substring s1 0 1)) | |
1126 | (string-to-number (substring s2 0 1))) | |
1127 | nil) | |
1128 | (t | |
1129 | (nnimap-string-lessp-numerical (substring s1 1) (substring s2 1))))) | |
1130 | ||
c113de23 GM |
1131 | (deffoo nnimap-retrieve-groups (groups &optional server) |
1132 | (when (nnimap-possibly-change-server server) | |
1133 | (gnus-message 5 "nnimap: Checking mailboxes...") | |
1134 | (with-current-buffer nntp-server-buffer | |
1135 | (erase-buffer) | |
1136 | (nnimap-before-find-minmax-bugworkaround) | |
23f87bed MB |
1137 | (let (asyncgroups slowgroups) |
1138 | (if (null nnimap-retrieve-groups-asynchronous) | |
1139 | (setq slowgroups groups) | |
1140 | (dolist (group groups) | |
1141 | (gnus-message 9 "nnimap: Quickly checking mailbox %s" group) | |
1142 | (add-to-list (if (gnus-gethash-safe | |
1143 | (gnus-group-prefixed-name group server) | |
1144 | nnimap-mailbox-info) | |
1145 | 'asyncgroups | |
1146 | 'slowgroups) | |
1147 | (list group (imap-mailbox-status-asynch | |
bf247b6e | 1148 | group '(uidvalidity uidnext unseen) |
23f87bed MB |
1149 | nnimap-server-buffer)))) |
1150 | (dolist (asyncgroup asyncgroups) | |
1151 | (let ((group (nth 0 asyncgroup)) | |
1152 | (tag (nth 1 asyncgroup)) | |
1153 | new old) | |
1154 | (when (imap-ok-p (imap-wait-for-tag tag nnimap-server-buffer)) | |
1155 | (if (or (not (string= | |
1156 | (nth 0 (gnus-gethash (gnus-group-prefixed-name | |
1157 | group server) | |
1158 | nnimap-mailbox-info)) | |
bf247b6e | 1159 | (imap-mailbox-get 'uidvalidity group |
23f87bed MB |
1160 | nnimap-server-buffer))) |
1161 | (not (string= | |
1162 | (nth 1 (gnus-gethash (gnus-group-prefixed-name | |
1163 | group server) | |
1164 | nnimap-mailbox-info)) | |
1165 | (imap-mailbox-get 'uidnext group | |
1166 | nnimap-server-buffer)))) | |
1167 | (push (list group) slowgroups) | |
1168 | (insert (nth 3 (gnus-gethash (gnus-group-prefixed-name | |
1169 | group server) | |
1170 | nnimap-mailbox-info)))))))) | |
1171 | (dolist (group slowgroups) | |
1172 | (if nnimap-retrieve-groups-asynchronous | |
1173 | (setq group (car group))) | |
1174 | (gnus-message 7 "nnimap: Mailbox %s modified" group) | |
1175 | (imap-mailbox-put 'uidnext nil group nnimap-server-buffer) | |
1176 | (or (member "\\NoSelect" (imap-mailbox-get 'list-flags group | |
1177 | nnimap-server-buffer)) | |
1178 | (let* ((info (nnimap-find-minmax-uid group 'examine)) | |
1179 | (str (format "\"%s\" %d %d y\n" group | |
1180 | (or (nth 2 info) 0) | |
1181 | (max 1 (or (nth 1 info) 1))))) | |
1182 | (when (> (or (imap-mailbox-get 'recent group | |
1183 | nnimap-server-buffer) 0) | |
1184 | 0) | |
1185 | (push (list (cons group 0)) nnmail-split-history)) | |
1186 | (insert str) | |
1187 | (when nnimap-retrieve-groups-asynchronous | |
1188 | (gnus-sethash | |
1189 | (gnus-group-prefixed-name group server) | |
1190 | (list (or (imap-mailbox-get | |
1191 | 'uidvalidity group nnimap-server-buffer) | |
1192 | (imap-mailbox-status | |
1193 | group 'uidvalidity nnimap-server-buffer)) | |
1194 | (or (imap-mailbox-get | |
1195 | 'uidnext group nnimap-server-buffer) | |
1196 | (imap-mailbox-status | |
1197 | group 'uidnext nnimap-server-buffer)) | |
1198 | (or (imap-mailbox-get | |
1199 | 'unseen group nnimap-server-buffer) | |
1200 | (imap-mailbox-status | |
1201 | group 'unseen nnimap-server-buffer)) | |
1202 | str) | |
1203 | nnimap-mailbox-info))))))) | |
c113de23 GM |
1204 | (gnus-message 5 "nnimap: Checking mailboxes...done") |
1205 | 'active)) | |
1206 | ||
1207 | (deffoo nnimap-request-update-info-internal (group info &optional server) | |
1208 | (when (nnimap-possibly-change-group group server) | |
23f87bed | 1209 | (when info ;; xxx what does this mean? should we create a info? |
c113de23 GM |
1210 | (with-current-buffer nnimap-server-buffer |
1211 | (gnus-message 5 "nnimap: Updating info for %s..." | |
1212 | (gnus-info-group info)) | |
a1506d29 | 1213 | |
c113de23 GM |
1214 | (when (nnimap-mark-permanent-p 'read) |
1215 | (let (seen unseen) | |
1216 | ;; read info could contain articles marked unread by other | |
1217 | ;; imap clients! we correct this | |
f5e92214 MB |
1218 | (setq unseen (gnus-compress-sequence |
1219 | (imap-search "UNSEEN UNDELETED")) | |
1220 | seen (gnus-range-difference (gnus-info-read info) unseen) | |
1221 | seen (gnus-range-add seen | |
1222 | (gnus-compress-sequence | |
1223 | (imap-search "SEEN"))) | |
c113de23 GM |
1224 | seen (if (and (integerp (car seen)) |
1225 | (null (cdr seen))) | |
1226 | (list (cons (car seen) (car seen))) | |
1227 | seen)) | |
1228 | (gnus-info-set-read info seen))) | |
1229 | ||
01c52d31 MB |
1230 | (dolist (pred gnus-article-mark-lists) |
1231 | (when (or (eq (cdr pred) 'recent) | |
1232 | (and (nnimap-mark-permanent-p (cdr pred)) | |
1233 | (member (nnimap-mark-to-flag (cdr pred)) | |
1234 | (imap-mailbox-get 'flags)))) | |
1235 | (gnus-info-set-marks | |
1236 | info | |
1237 | (gnus-update-alist-soft | |
1238 | (cdr pred) | |
1239 | (gnus-compress-sequence | |
1240 | (imap-search (nnimap-mark-to-predicate (cdr pred)))) | |
1241 | (gnus-info-marks info)) | |
1242 | t))) | |
c113de23 | 1243 | |
23f87bed MB |
1244 | (when nnimap-importantize-dormant |
1245 | ;; nnimap mark dormant article as ticked too (for other clients) | |
1246 | ;; so we remove that mark for gnus since we support dormant | |
1247 | (gnus-info-set-marks | |
1248 | info | |
1249 | (gnus-update-alist-soft | |
1250 | 'tick | |
1251 | (gnus-remove-from-range | |
1252 | (cdr-safe (assoc 'tick (gnus-info-marks info))) | |
1253 | (cdr-safe (assoc 'dormant (gnus-info-marks info)))) | |
1254 | (gnus-info-marks info)) | |
1255 | t)) | |
a1506d29 | 1256 | |
c113de23 GM |
1257 | (gnus-message 5 "nnimap: Updating info for %s...done" |
1258 | (gnus-info-group info)) | |
1259 | ||
1260 | info)))) | |
1261 | ||
1262 | (deffoo nnimap-request-type (group &optional article) | |
1263 | (if (and nnimap-news-groups (string-match nnimap-news-groups group)) | |
1264 | 'news | |
1265 | 'mail)) | |
1266 | ||
1267 | (deffoo nnimap-request-set-mark (group actions &optional server) | |
1268 | (when (nnimap-possibly-change-group group server) | |
1269 | (with-current-buffer nnimap-server-buffer | |
1270 | (let (action) | |
1271 | (gnus-message 7 "nnimap: Setting marks in %s..." group) | |
1272 | (while (setq action (pop actions)) | |
1273 | (let ((range (nth 0 action)) | |
1274 | (what (nth 1 action)) | |
1275 | (cmdmarks (nth 2 action)) | |
1276 | marks) | |
23f87bed MB |
1277 | ;; bookmark can't be stored (not list/range |
1278 | (setq cmdmarks (delq 'bookmark cmdmarks)) | |
1279 | ;; killed can't be stored (not list/range | |
1280 | (setq cmdmarks (delq 'killed cmdmarks)) | |
1281 | ;; unsent are for nndraft groups only | |
1282 | (setq cmdmarks (delq 'unsent cmdmarks)) | |
c113de23 GM |
1283 | ;; cache flags are pointless on the server |
1284 | (setq cmdmarks (delq 'cache cmdmarks)) | |
23f87bed MB |
1285 | ;; seen flags are local to each gnus |
1286 | (setq cmdmarks (delq 'seen cmdmarks)) | |
1287 | ;; recent marks can't be set | |
1288 | (setq cmdmarks (delq 'recent cmdmarks)) | |
1289 | (when nnimap-importantize-dormant | |
1290 | ;; flag dormant articles as ticked | |
1291 | (if (memq 'dormant cmdmarks) | |
1292 | (setq cmdmarks (cons 'tick cmdmarks)))) | |
c113de23 | 1293 | ;; remove stuff we are forbidden to store |
01c52d31 MB |
1294 | (mapc (lambda (mark) |
1295 | (if (imap-message-flag-permanent-p | |
1296 | (nnimap-mark-to-flag mark)) | |
1297 | (setq marks (cons mark marks)))) | |
1298 | cmdmarks) | |
c113de23 GM |
1299 | (when (and range marks) |
1300 | (cond ((eq what 'del) | |
1301 | (imap-message-flags-del | |
1302 | (imap-range-to-message-set range) | |
1303 | (nnimap-mark-to-flag marks nil t))) | |
1304 | ((eq what 'add) | |
1305 | (imap-message-flags-add | |
1306 | (imap-range-to-message-set range) | |
1307 | (nnimap-mark-to-flag marks nil t))) | |
1308 | ((eq what 'set) | |
1309 | (imap-message-flags-set | |
1310 | (imap-range-to-message-set range) | |
1311 | (nnimap-mark-to-flag marks nil t))))))) | |
1312 | (gnus-message 7 "nnimap: Setting marks in %s...done" group)))) | |
1313 | nil) | |
1314 | ||
1315 | (defun nnimap-split-fancy () | |
23f87bed | 1316 | "Like the function `nnmail-split-fancy', but uses `nnimap-split-fancy'." |
c113de23 GM |
1317 | (let ((nnmail-split-fancy nnimap-split-fancy)) |
1318 | (nnmail-split-fancy))) | |
1319 | ||
1320 | (defun nnimap-split-to-groups (rules) | |
1321 | ;; tries to match all rules in nnimap-split-rule against content of | |
1322 | ;; nntp-server-buffer, returns a list of groups that matched. | |
1323 | (with-current-buffer nntp-server-buffer | |
1324 | ;; Fold continuation lines. | |
1325 | (goto-char (point-min)) | |
1326 | (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t) | |
1327 | (replace-match " " t t)) | |
1328 | (if (functionp rules) | |
1329 | (funcall rules) | |
1330 | (let (to-groups regrepp) | |
1331 | (catch 'split-done | |
1332 | (dolist (rule rules to-groups) | |
1333 | (let ((group (car rule)) | |
1334 | (regexp (cadr rule))) | |
1335 | (goto-char (point-min)) | |
1336 | (when (and (if (stringp regexp) | |
1337 | (progn | |
23f87bed MB |
1338 | (if (not (stringp group)) |
1339 | (setq group (eval group)) | |
1340 | (setq regrepp | |
1341 | (string-match "\\\\[0-9&]" group))) | |
c113de23 GM |
1342 | (re-search-forward regexp nil t)) |
1343 | (funcall regexp group)) | |
1344 | ;; Don't enter the article into the same group twice. | |
1345 | (not (assoc group to-groups))) | |
1346 | (push (if regrepp | |
1347 | (nnmail-expand-newtext group) | |
1348 | group) | |
1349 | to-groups) | |
1350 | (or nnimap-split-crosspost | |
1351 | (throw 'split-done to-groups)))))))))) | |
a1506d29 | 1352 | |
c113de23 GM |
1353 | (defun nnimap-assoc-match (key alist) |
1354 | (let (element) | |
1355 | (while (and alist (not element)) | |
1356 | (if (string-match (car (car alist)) key) | |
1357 | (setq element (car alist))) | |
1358 | (setq alist (cdr alist))) | |
1359 | element)) | |
1360 | ||
1361 | (defun nnimap-split-find-rule (server inbox) | |
1362 | (if (and (listp nnimap-split-rule) (listp (car nnimap-split-rule)) | |
23f87bed | 1363 | (list (cdar nnimap-split-rule)) (listp (cadar nnimap-split-rule))) |
c113de23 | 1364 | ;; extended format |
a1506d29 | 1365 | (cadr (nnimap-assoc-match inbox (cdr (nnimap-assoc-match |
c113de23 GM |
1366 | server nnimap-split-rule)))) |
1367 | nnimap-split-rule)) | |
1368 | ||
1369 | (defun nnimap-split-find-inbox (server) | |
1370 | (if (listp nnimap-split-inbox) | |
1371 | nnimap-split-inbox | |
1372 | (list nnimap-split-inbox))) | |
1373 | ||
1374 | (defun nnimap-split-articles (&optional group server) | |
1375 | (when (nnimap-possibly-change-server server) | |
1376 | (with-current-buffer nnimap-server-buffer | |
1377 | (let (rule inbox removeorig (inboxes (nnimap-split-find-inbox server))) | |
1378 | ;; iterate over inboxes | |
1379 | (while (and (setq inbox (pop inboxes)) | |
23f87bed | 1380 | (nnimap-possibly-change-group inbox)) ;; SELECT |
c113de23 GM |
1381 | ;; find split rule for this server / inbox |
1382 | (when (setq rule (nnimap-split-find-rule server inbox)) | |
1383 | ;; iterate over articles | |
1384 | (dolist (article (imap-search nnimap-split-predicate)) | |
23f87bed MB |
1385 | (when (if (if (eq nnimap-split-download-body 'default) |
1386 | nnimap-split-download-body-default | |
1387 | nnimap-split-download-body) | |
1388 | (and (nnimap-request-article article) | |
1389 | (with-current-buffer nntp-server-buffer (mail-narrow-to-head))) | |
1390 | (nnimap-request-head article)) | |
c113de23 GM |
1391 | ;; copy article to right group(s) |
1392 | (setq removeorig nil) | |
1393 | (dolist (to-group (nnimap-split-to-groups rule)) | |
23f87bed MB |
1394 | (cond ((eq to-group 'junk) |
1395 | (message "IMAP split removed %s:%s:%d" server inbox | |
1396 | article) | |
1397 | (setq removeorig t)) | |
1398 | ((imap-message-copy (number-to-string article) | |
1399 | to-group nil 'nocopyuid) | |
1400 | (message "IMAP split moved %s:%s:%d to %s" server | |
1401 | inbox article to-group) | |
1402 | (setq removeorig t) | |
1403 | (when nnmail-cache-accepted-message-ids | |
1404 | (with-current-buffer nntp-server-buffer | |
1405 | (let (msgid) | |
1406 | (and (setq msgid | |
1407 | (nnmail-fetch-field "message-id")) | |
bf247b6e | 1408 | (nnmail-cache-insert msgid |
23f87bed MB |
1409 | to-group |
1410 | (nnmail-fetch-field "subject")))))) | |
1411 | ;; Add the group-art list to the history list. | |
1412 | (push (list (cons to-group 0)) nnmail-split-history)) | |
1413 | (t | |
1414 | (message "IMAP split failed to move %s:%s:%d to %s" | |
1415 | server inbox article to-group)))) | |
1416 | (if (if (eq nnimap-split-download-body 'default) | |
1417 | nnimap-split-download-body-default | |
1418 | nnimap-split-download-body) | |
1419 | (widen)) | |
c113de23 GM |
1420 | ;; remove article if it was successfully copied somewhere |
1421 | (and removeorig | |
1422 | (imap-message-flags-add (format "%d" article) | |
1423 | "\\Seen \\Deleted"))))) | |
23f87bed | 1424 | (when (imap-mailbox-select inbox) ;; just in case |
c113de23 GM |
1425 | ;; todo: UID EXPUNGE (if available) to remove splitted articles |
1426 | (imap-mailbox-expunge) | |
1427 | (imap-mailbox-close))) | |
23f87bed MB |
1428 | (when nnmail-cache-accepted-message-ids |
1429 | (nnmail-cache-close)) | |
c113de23 GM |
1430 | t)))) |
1431 | ||
1432 | (deffoo nnimap-request-scan (&optional group server) | |
1433 | (nnimap-split-articles group server)) | |
1434 | ||
1435 | (deffoo nnimap-request-newgroups (date &optional server) | |
1436 | (when (nnimap-possibly-change-server server) | |
1437 | (with-current-buffer nntp-server-buffer | |
1438 | (gnus-message 5 "nnimap: Listing subscribed mailboxes%s%s..." | |
1439 | (if (> (length server) 0) " on " "") server) | |
1440 | (erase-buffer) | |
1441 | (nnimap-before-find-minmax-bugworkaround) | |
1442 | (dolist (pattern (nnimap-pattern-to-list-arguments | |
1443 | nnimap-list-pattern)) | |
23f87bed | 1444 | (dolist (mbx (imap-mailbox-lsub (cdr pattern) (car pattern) nil |
c113de23 GM |
1445 | nnimap-server-buffer)) |
1446 | (or (catch 'found | |
1447 | (dolist (mailbox (imap-mailbox-get 'list-flags mbx | |
1448 | nnimap-server-buffer)) | |
1449 | (if (string= (downcase mailbox) "\\noselect") | |
1450 | (throw 'found t))) | |
1451 | nil) | |
1452 | (let ((info (nnimap-find-minmax-uid mbx 'examine))) | |
1453 | (when info | |
23f87bed MB |
1454 | (insert (format "\"%s\" %d %d y\n" |
1455 | mbx (or (nth 2 info) 0) | |
1456 | (max 1 (or (nth 1 info) 1))))))))) | |
c113de23 GM |
1457 | (gnus-message 5 "nnimap: Listing subscribed mailboxes%s%s...done" |
1458 | (if (> (length server) 0) " on " "") server)) | |
1459 | t)) | |
a1506d29 | 1460 | |
c113de23 GM |
1461 | (deffoo nnimap-request-create-group (group &optional server args) |
1462 | (when (nnimap-possibly-change-server server) | |
1463 | (or (imap-mailbox-status group 'uidvalidity nnimap-server-buffer) | |
23f87bed MB |
1464 | (imap-mailbox-create group nnimap-server-buffer) |
1465 | (nnheader-report 'nnimap "%S" | |
1466 | (imap-error-text nnimap-server-buffer))))) | |
c113de23 GM |
1467 | |
1468 | (defun nnimap-time-substract (time1 time2) | |
1469 | "Return TIME for TIME1 - TIME2." | |
1470 | (let* ((ms (- (car time1) (car time2))) | |
1471 | (ls (- (nth 1 time1) (nth 1 time2)))) | |
1472 | (if (< ls 0) | |
1473 | (list (- ms 1) (+ (expt 2 16) ls)) | |
1474 | (list ms ls)))) | |
1475 | ||
6a748eda | 1476 | (eval-when-compile (require 'parse-time)) |
c113de23 GM |
1477 | (defun nnimap-date-days-ago (daysago) |
1478 | "Return date, in format \"3-Aug-1998\", for DAYSAGO days ago." | |
498063ec | 1479 | (require 'parse-time) |
6389d65c GM |
1480 | (let* ((time (nnimap-time-substract (current-time) (days-to-time daysago))) |
1481 | (date (format-time-string | |
1482 | (format "%%d-%s-%%Y" | |
1483 | (capitalize (car (rassoc (nth 4 (decode-time time)) | |
1484 | parse-time-months)))) | |
1485 | time))) | |
c113de23 GM |
1486 | (if (eq ?0 (string-to-char date)) |
1487 | (substring date 1) | |
1488 | date))) | |
1489 | ||
1490 | (defun nnimap-request-expire-articles-progress () | |
1491 | (gnus-message 5 "nnimap: Marking article %d for deletion..." | |
1492 | imap-current-message)) | |
1493 | ||
23f87bed MB |
1494 | (defun nnimap-expiry-target (arts group server) |
1495 | (unless (eq nnmail-expiry-target 'delete) | |
1496 | (with-temp-buffer | |
1497 | (dolist (art arts) | |
1498 | (nnimap-request-article art group server (current-buffer)) | |
1499 | ;; hints for optimization in `nnimap-request-accept-article' | |
1500 | (let ((nnimap-current-move-article art) | |
1501 | (nnimap-current-move-group group) | |
1502 | (nnimap-current-move-server server)) | |
1503 | (nnmail-expiry-target-group nnmail-expiry-target group)))) | |
1504 | ;; It is not clear if `nnmail-expiry-target' somehow cause the | |
1505 | ;; current group to be changed or not, so we make sure here. | |
1506 | (nnimap-possibly-change-group group server))) | |
1507 | ||
c113de23 GM |
1508 | ;; Notice that we don't actually delete anything, we just mark them deleted. |
1509 | (deffoo nnimap-request-expire-articles (articles group &optional server force) | |
1510 | (let ((artseq (gnus-compress-sequence articles))) | |
1511 | (when (and artseq (nnimap-possibly-change-group group server)) | |
1512 | (with-current-buffer nnimap-server-buffer | |
23f87bed MB |
1513 | (let ((days (or (and nnmail-expiry-wait-function |
1514 | (funcall nnmail-expiry-wait-function group)) | |
1515 | nnmail-expiry-wait))) | |
1516 | (cond ((or force (eq days 'immediate)) | |
1517 | (let ((oldarts (imap-search | |
bf247b6e | 1518 | (concat "UID " |
23f87bed MB |
1519 | (imap-range-to-message-set artseq))))) |
1520 | (when oldarts | |
1521 | (nnimap-expiry-target oldarts group server) | |
1522 | (when (imap-message-flags-add | |
bf247b6e | 1523 | (imap-range-to-message-set |
23f87bed MB |
1524 | (gnus-compress-sequence oldarts)) "\\Deleted") |
1525 | (setq articles (gnus-set-difference | |
1526 | articles oldarts)))))) | |
3b059693 MB |
1527 | ((and nnimap-search-uids-not-since-is-evil (numberp days)) |
1528 | (let* ((all-new-articles | |
1529 | (gnus-compress-sequence | |
1530 | (imap-search (format "SINCE %s" | |
1531 | (nnimap-date-days-ago days))))) | |
1532 | (oldartseq | |
1533 | (gnus-range-difference artseq all-new-articles)) | |
1534 | (oldarts (gnus-uncompress-range oldartseq))) | |
1535 | (when oldarts | |
1536 | (nnimap-expiry-target oldarts group server) | |
1537 | (when (imap-message-flags-add | |
1538 | (imap-range-to-message-set oldartseq) | |
1539 | "\\Deleted") | |
1540 | (setq articles (gnus-set-difference | |
1541 | articles oldarts)))))) | |
23f87bed MB |
1542 | ((numberp days) |
1543 | (let ((oldarts (imap-search | |
1544 | (format nnimap-expunge-search-string | |
1545 | (imap-range-to-message-set artseq) | |
1546 | (nnimap-date-days-ago days)))) | |
1547 | (imap-fetch-data-hook | |
1548 | '(nnimap-request-expire-articles-progress))) | |
1549 | (when oldarts | |
1550 | (nnimap-expiry-target oldarts group server) | |
1551 | (when (imap-message-flags-add | |
bf247b6e | 1552 | (imap-range-to-message-set |
23f87bed | 1553 | (gnus-compress-sequence oldarts)) "\\Deleted") |
bf247b6e | 1554 | (setq articles (gnus-set-difference |
23f87bed | 1555 | articles oldarts))))))))))) |
c113de23 GM |
1556 | ;; return articles not deleted |
1557 | articles) | |
1558 | ||
01c52d31 MB |
1559 | (deffoo nnimap-request-move-article (article group server accept-form |
1560 | &optional last move-is-internal) | |
c113de23 GM |
1561 | (when (nnimap-possibly-change-server server) |
1562 | (save-excursion | |
1563 | (let ((buf (get-buffer-create " *nnimap move*")) | |
1564 | (nnimap-current-move-article article) | |
1565 | (nnimap-current-move-group group) | |
1566 | (nnimap-current-move-server nnimap-current-server) | |
1567 | result) | |
01c52d31 MB |
1568 | (gnus-message 10 "nnimap-request-move-article: this is an %s move" |
1569 | (if move-is-internal | |
1570 | "internal" | |
1571 | "external")) | |
1572 | ;; request the article only when the move is NOT internal | |
1573 | (and (or move-is-internal | |
1574 | (nnimap-request-article article group server)) | |
9c5fe825 | 1575 | (with-current-buffer buf |
c113de23 GM |
1576 | (buffer-disable-undo (current-buffer)) |
1577 | (insert-buffer-substring nntp-server-buffer) | |
1578 | (setq result (eval accept-form)) | |
1579 | (kill-buffer buf) | |
1580 | result) | |
5f4264e5 | 1581 | (nnimap-possibly-change-group group server) |
23f87bed MB |
1582 | (imap-message-flags-add |
1583 | (imap-range-to-message-set (list article)) | |
1584 | "\\Deleted" 'silent nnimap-server-buffer)) | |
c113de23 | 1585 | result)))) |
a1506d29 | 1586 | |
c113de23 GM |
1587 | (deffoo nnimap-request-accept-article (group &optional server last) |
1588 | (when (nnimap-possibly-change-server server) | |
1589 | (let (uid) | |
1590 | (if (setq uid | |
1591 | (if (string= nnimap-current-server nnimap-current-move-server) | |
1592 | ;; moving article within same server, speed it up... | |
1593 | (and (nnimap-possibly-change-group | |
1594 | nnimap-current-move-group) | |
1595 | (imap-message-copy (number-to-string | |
1596 | nnimap-current-move-article) | |
1597 | group 'dontcreate nil | |
1598 | nnimap-server-buffer)) | |
c113de23 GM |
1599 | (with-current-buffer (current-buffer) |
1600 | (goto-char (point-min)) | |
a2617484 DL |
1601 | ;; remove any 'From blabla' lines, some IMAP servers |
1602 | ;; reject the entire message otherwise. | |
1603 | (when (looking-at "^From[^:]") | |
23f87bed | 1604 | (delete-region (point) (progn (forward-line) (point)))) |
a2617484 | 1605 | ;; turn into rfc822 format (\r\n eol's) |
c113de23 | 1606 | (while (search-forward "\n" nil t) |
23f87bed MB |
1607 | (replace-match "\r\n")) |
1608 | (when nnmail-cache-accepted-message-ids | |
1609 | (nnmail-cache-insert (nnmail-fetch-field "message-id") | |
1610 | group | |
1611 | (nnmail-fetch-field "subject")))) | |
1612 | (when (and last nnmail-cache-accepted-message-ids) | |
1613 | (nnmail-cache-close)) | |
1614 | ;; this 'or' is for Cyrus server bug | |
1615 | (or (null (imap-current-mailbox nnimap-server-buffer)) | |
1616 | (imap-mailbox-unselect nnimap-server-buffer)) | |
c113de23 GM |
1617 | (imap-message-append group (current-buffer) nil nil |
1618 | nnimap-server-buffer))) | |
1619 | (cons group (nth 1 uid)) | |
1620 | (nnheader-report 'nnimap (imap-error-text nnimap-server-buffer)))))) | |
1621 | ||
1622 | (deffoo nnimap-request-delete-group (group force &optional server) | |
1623 | (when (nnimap-possibly-change-server server) | |
2b968687 MB |
1624 | (when (string= group (imap-current-mailbox nnimap-server-buffer)) |
1625 | (imap-mailbox-unselect nnimap-server-buffer)) | |
c113de23 GM |
1626 | (with-current-buffer nnimap-server-buffer |
1627 | (if force | |
1628 | (or (null (imap-mailbox-status group 'uidvalidity)) | |
1629 | (imap-mailbox-delete group)) | |
1630 | ;; UNSUBSCRIBE? | |
1631 | t)))) | |
1632 | ||
1633 | (deffoo nnimap-request-rename-group (group new-name &optional server) | |
1634 | (when (nnimap-possibly-change-server server) | |
1635 | (imap-mailbox-rename group new-name nnimap-server-buffer))) | |
1636 | ||
1637 | (defun nnimap-expunge (mailbox server) | |
1638 | (when (nnimap-possibly-change-group mailbox server) | |
23f87bed | 1639 | (imap-mailbox-expunge nil nnimap-server-buffer))) |
c113de23 GM |
1640 | |
1641 | (defun nnimap-acl-get (mailbox server) | |
1642 | (when (nnimap-possibly-change-server server) | |
a2617484 DL |
1643 | (and (imap-capability 'ACL nnimap-server-buffer) |
1644 | (imap-mailbox-acl-get mailbox nnimap-server-buffer)))) | |
c113de23 GM |
1645 | |
1646 | (defun nnimap-acl-edit (mailbox method old-acls new-acls) | |
1647 | (when (nnimap-possibly-change-server (cadr method)) | |
1648 | (unless (imap-capability 'ACL nnimap-server-buffer) | |
1649 | (error "Your server does not support ACL editing")) | |
1650 | (with-current-buffer nnimap-server-buffer | |
1651 | ;; delete all removed identifiers | |
01c52d31 MB |
1652 | (mapc (lambda (old-acl) |
1653 | (unless (assoc (car old-acl) new-acls) | |
1654 | (or (imap-mailbox-acl-delete (car old-acl) mailbox) | |
1655 | (error "Can't delete ACL for %s" (car old-acl))))) | |
1656 | old-acls) | |
c113de23 | 1657 | ;; set all changed acl's |
01c52d31 MB |
1658 | (mapc (lambda (new-acl) |
1659 | (let ((new-rights (cdr new-acl)) | |
1660 | (old-rights (cdr (assoc (car new-acl) old-acls)))) | |
1661 | (unless (and old-rights new-rights | |
1662 | (string= old-rights new-rights)) | |
1663 | (or (imap-mailbox-acl-set (car new-acl) new-rights mailbox) | |
1664 | (error "Can't set ACL for %s to %s" (car new-acl) | |
1665 | new-rights))))) | |
1666 | new-acls) | |
c113de23 GM |
1667 | t))) |
1668 | ||
1669 | \f | |
1670 | ;;; Internal functions | |
1671 | ||
1672 | ;; | |
1673 | ;; This is confusing. | |
1674 | ;; | |
1675 | ;; mark => read, tick, draft, reply etc | |
1676 | ;; flag => "\\Seen", "\\Flagged", "\\Draft", "gnus-expire" etc | |
1677 | ;; predicate => "SEEN", "FLAGGED", "DRAFT", "KEYWORD gnus-expire" etc | |
1678 | ;; | |
1679 | ;; Mark should not really contain 'read since it's not a "mark" in the Gnus | |
1680 | ;; world, but we cheat. Mark == gnus-article-mark-lists + '(read . read). | |
1681 | ;; | |
1682 | ||
1683 | (defconst nnimap-mark-to-predicate-alist | |
1684 | (mapcar | |
1685 | (lambda (pair) ; cdr is the mark | |
1686 | (or (assoc (cdr pair) | |
23f87bed MB |
1687 | '((read . "SEEN") |
1688 | (tick . "FLAGGED") | |
1689 | (draft . "DRAFT") | |
1690 | (recent . "RECENT") | |
1691 | (reply . "ANSWERED"))) | |
1692 | (cons (cdr pair) | |
1693 | (format "KEYWORD gnus-%s" (symbol-name (cdr pair)))))) | |
c113de23 GM |
1694 | (cons '(read . read) gnus-article-mark-lists))) |
1695 | ||
1696 | (defun nnimap-mark-to-predicate (pred) | |
1697 | "Convert a Gnus mark (a symbol such as read, tick, expire) to a IMAP predicate. | |
1698 | This is a string such as \"SEEN\", \"FLAGGED\", \"KEYWORD gnus-expire\", | |
1699 | to be used within a IMAP SEARCH query." | |
1700 | (cdr (assq pred nnimap-mark-to-predicate-alist))) | |
1701 | ||
1702 | (defconst nnimap-mark-to-flag-alist | |
1703 | (mapcar | |
1704 | (lambda (pair) | |
1705 | (or (assoc (cdr pair) | |
23f87bed MB |
1706 | '((read . "\\Seen") |
1707 | (tick . "\\Flagged") | |
1708 | (draft . "\\Draft") | |
1709 | (recent . "\\Recent") | |
1710 | (reply . "\\Answered"))) | |
1711 | (cons (cdr pair) | |
1712 | (format "gnus-%s" (symbol-name (cdr pair)))))) | |
c113de23 GM |
1713 | (cons '(read . read) gnus-article-mark-lists))) |
1714 | ||
1715 | (defun nnimap-mark-to-flag-1 (preds) | |
1716 | (if (and (not (null preds)) (listp preds)) | |
1717 | (cons (nnimap-mark-to-flag (car preds)) | |
1718 | (nnimap-mark-to-flag (cdr preds))) | |
1719 | (cdr (assoc preds nnimap-mark-to-flag-alist)))) | |
1720 | ||
1721 | (defun nnimap-mark-to-flag (preds &optional always-list make-string) | |
1722 | "Convert a Gnus mark (a symbol such as read, tick, expire) to a IMAP flag. | |
1723 | This is a string such as \"\\Seen\", \"\\Flagged\", \"gnus-expire\", to | |
1724 | be used in a STORE FLAGS command." | |
1725 | (let ((result (nnimap-mark-to-flag-1 preds))) | |
1726 | (setq result (if (and (or make-string always-list) | |
1727 | (not (listp result))) | |
1728 | (list result) | |
1729 | result)) | |
1730 | (if make-string | |
1731 | (mapconcat (lambda (flag) | |
1732 | (if (listp flag) | |
1733 | (mapconcat 'identity flag " ") | |
1734 | flag)) | |
1735 | result " ") | |
1736 | result))) | |
1737 | ||
1738 | (defun nnimap-mark-permanent-p (mark &optional group) | |
e7f767c2 | 1739 | "Return t if MARK can be permanently (between IMAP sessions) saved on articles, in GROUP." |
c113de23 GM |
1740 | (imap-message-flag-permanent-p (nnimap-mark-to-flag mark))) |
1741 | ||
c113de23 GM |
1742 | (when nnimap-debug |
1743 | (require 'trace) | |
23f87bed | 1744 | (buffer-disable-undo (get-buffer-create nnimap-debug-buffer)) |
01c52d31 MB |
1745 | (mapc (lambda (f) (trace-function-background f nnimap-debug-buffer)) |
1746 | '( | |
1747 | nnimap-possibly-change-server | |
1748 | nnimap-verify-uidvalidity | |
1749 | nnimap-find-minmax-uid | |
1750 | nnimap-before-find-minmax-bugworkaround | |
1751 | nnimap-possibly-change-group | |
1752 | ;;nnimap-replace-whitespace | |
1753 | nnimap-retrieve-headers-progress | |
1754 | nnimap-retrieve-which-headers | |
1755 | nnimap-group-overview-filename | |
1756 | nnimap-retrieve-headers-from-file | |
1757 | nnimap-retrieve-headers-from-server | |
1758 | nnimap-retrieve-headers | |
1759 | nnimap-open-connection | |
1760 | nnimap-open-server | |
1761 | nnimap-server-opened | |
1762 | nnimap-close-server | |
1763 | nnimap-request-close | |
1764 | nnimap-status-message | |
1765 | ;;nnimap-demule | |
1766 | nnimap-request-article-part | |
1767 | nnimap-request-article | |
1768 | nnimap-request-head | |
1769 | nnimap-request-body | |
1770 | nnimap-request-group | |
1771 | nnimap-close-group | |
1772 | nnimap-pattern-to-list-arguments | |
1773 | nnimap-request-list | |
1774 | nnimap-request-post | |
1775 | nnimap-retrieve-groups | |
1776 | nnimap-request-update-info-internal | |
1777 | nnimap-request-type | |
1778 | nnimap-request-set-mark | |
1779 | nnimap-split-to-groups | |
1780 | nnimap-split-find-rule | |
1781 | nnimap-split-find-inbox | |
1782 | nnimap-split-articles | |
1783 | nnimap-request-scan | |
1784 | nnimap-request-newgroups | |
1785 | nnimap-request-create-group | |
1786 | nnimap-time-substract | |
1787 | nnimap-date-days-ago | |
1788 | nnimap-request-expire-articles-progress | |
1789 | nnimap-request-expire-articles | |
1790 | nnimap-request-move-article | |
1791 | nnimap-request-accept-article | |
1792 | nnimap-request-delete-group | |
1793 | nnimap-request-rename-group | |
1794 | gnus-group-nnimap-expunge | |
1795 | gnus-group-nnimap-edit-acl | |
1796 | gnus-group-nnimap-edit-acl-done | |
1797 | nnimap-group-mode-hook | |
1798 | nnimap-mark-to-predicate | |
1799 | nnimap-mark-to-flag-1 | |
1800 | nnimap-mark-to-flag | |
1801 | nnimap-mark-permanent-p | |
1802 | ))) | |
c113de23 GM |
1803 | |
1804 | (provide 'nnimap) | |
1805 | ||
31a54b0e | 1806 | ;; arch-tag: 2b001f20-3ff9-4094-a0ad-46807c1ba70b |
c113de23 | 1807 | ;;; nnimap.el ends here |