1 /* notmuch - Not much of an email program, (just index and search)
3 * Copyright © 2009 Carl Worth
4 * Copyright © 2009 Keith Packard
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see http://www.gnu.org/licenses/ .
19 * Authors: Carl Worth <cworth@cworth.org>
20 * Keith Packard <keithp@keithp.com>
23 #include "notmuch-client.h"
24 #include "gmime-filter-reply.h"
27 reply_part_content (GMimeObject *part)
29 GMimeStream *stream_stdout = NULL, *stream_filter = NULL;
30 GMimeDataWrapper *wrapper;
33 charset = g_mime_object_get_content_type_parameter (part, "charset");
34 stream_stdout = g_mime_stream_file_new (stdout);
36 g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
37 stream_filter = g_mime_stream_filter_new(stream_stdout);
39 g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
40 g_mime_filter_charset_new(charset, "UTF-8"));
43 g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
44 g_mime_filter_reply_new(TRUE));
45 wrapper = g_mime_part_get_content_object (GMIME_PART (part));
46 if (wrapper && stream_filter)
47 g_mime_data_wrapper_write_to_stream (wrapper, stream_filter);
49 g_object_unref(stream_filter);
51 g_object_unref(stream_stdout);
55 reply_part (GMimeObject *part, int *part_count)
57 GMimeContentDisposition *disposition;
58 GMimeContentType *content_type;
61 disposition = g_mime_object_get_content_disposition (part);
63 strcmp (disposition->disposition, GMIME_DISPOSITION_ATTACHMENT) == 0)
65 const char *filename = g_mime_part_get_filename (GMIME_PART (part));
66 content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
68 if (g_mime_content_type_is_type (content_type, "text", "*") &&
69 !g_mime_content_type_is_type (content_type, "text", "html"))
71 reply_part_content (part);
75 printf ("Attachment: %s (%s)\n", filename,
76 g_mime_content_type_to_string (content_type));
82 content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
84 if (g_mime_content_type_is_type (content_type, "text", "*") &&
85 !g_mime_content_type_is_type (content_type, "text", "html"))
87 reply_part_content (part);
91 printf ("Non-text part: %s\n",
92 g_mime_content_type_to_string (content_type));
96 /* Is the given address configured as one of the user's "personal" or
97 * "other" addresses. */
99 address_is_users (const char *address, notmuch_config_t *config)
105 primary = notmuch_config_get_user_primary_email (config);
106 if (strcasecmp (primary, address) == 0)
109 other = notmuch_config_get_user_other_email (config, &other_len);
110 for (i = 0; i < other_len; i++)
111 if (strcasecmp (other[i], address) == 0)
117 /* For each address in 'list' that is not configured as one of the
118 * user's addresses in 'config', add that address to 'message' as an
121 * The first address encountered that *is* the user's address will be
122 * returned, (otherwise NULL is returned).
125 add_recipients_for_address_list (GMimeMessage *message,
126 notmuch_config_t *config,
127 GMimeRecipientType type,
128 InternetAddressList *list)
130 InternetAddress *address;
132 const char *ret = NULL;
134 for (i = 0; i < internet_address_list_length (list); i++) {
135 address = internet_address_list_get_address (list, i);
136 if (INTERNET_ADDRESS_IS_GROUP (address)) {
137 InternetAddressGroup *group;
138 InternetAddressList *group_list;
140 group = INTERNET_ADDRESS_GROUP (address);
141 group_list = internet_address_group_get_members (group);
142 if (group_list == NULL)
145 add_recipients_for_address_list (message, config,
148 InternetAddressMailbox *mailbox;
152 mailbox = INTERNET_ADDRESS_MAILBOX (address);
154 name = internet_address_get_name (address);
155 addr = internet_address_mailbox_get_addr (mailbox);
157 if (address_is_users (addr, config)) {
161 g_mime_message_add_recipient (message, type, name, addr);
169 /* For each address in 'recipients' that is not configured as one of
170 * the user's addresses in 'config', add that address to 'message' as
171 * an address of 'type'.
173 * The first address encountered that *is* the user's address will be
174 * returned, (otherwise NULL is returned).
177 add_recipients_for_string (GMimeMessage *message,
178 notmuch_config_t *config,
179 GMimeRecipientType type,
180 const char *recipients)
182 InternetAddressList *list;
184 list = internet_address_list_parse_string (recipients);
188 return add_recipients_for_address_list (message, config, type, list);
191 /* Does the address in the Reply-To header of 'message' already appear
192 * in either the 'To' or 'Cc' header of the message?
195 reply_to_header_is_redundant (notmuch_message_t *message)
197 const char *header, *addr;
198 InternetAddressList *list;
199 InternetAddress *address;
200 InternetAddressMailbox *mailbox;
202 header = notmuch_message_get_header (message, "reply-to");
206 list = internet_address_list_parse_string (header);
208 if (internet_address_list_length (list) != 1)
211 address = internet_address_list_get_address (list, 0);
212 if (INTERNET_ADDRESS_IS_GROUP (address))
215 mailbox = INTERNET_ADDRESS_MAILBOX (address);
216 addr = internet_address_mailbox_get_addr (mailbox);
218 if (strstr (notmuch_message_get_header (message, "to"), addr) != 0 ||
219 strstr (notmuch_message_get_header (message, "cc"), addr) != 0)
227 /* Augments the recipients of reply from the headers of message.
229 * If any of the user's addresses were found in these headers, the first
230 * of these returned, otherwise NULL is returned.
233 add_recipients_from_message (GMimeMessage *reply,
234 notmuch_config_t *config,
235 notmuch_message_t *message)
239 const char *fallback;
240 GMimeRecipientType recipient_type;
242 { "reply-to", "from", GMIME_RECIPIENT_TYPE_TO },
243 { "to", NULL, GMIME_RECIPIENT_TYPE_TO },
244 { "cc", NULL, GMIME_RECIPIENT_TYPE_CC },
245 { "bcc", NULL, GMIME_RECIPIENT_TYPE_BCC }
247 const char *from_addr = NULL;
250 /* Some mailing lists munge the Reply-To header despite it being A Bad
251 * Thing, see http://www.unicom.com/pw/reply-to-harmful.html
253 * The munging is easy to detect, because it results in a
254 * redundant reply-to header, (with an address that already exists
255 * in either To or Cc). So in this case, we ignore the Reply-To
256 * field and use the From header. Thie ensures the original sender
257 * will get the reply even if not subscribed to the list. Note
258 * that the address in the Reply-To header will always appear in
261 if (reply_to_header_is_redundant (message)) {
262 reply_to_map[0].header = "from";
263 reply_to_map[0].fallback = NULL;
266 for (i = 0; i < ARRAY_SIZE (reply_to_map); i++) {
267 const char *addr, *recipients;
269 recipients = notmuch_message_get_header (message,
270 reply_to_map[i].header);
271 if ((recipients == NULL || recipients[0] == '\0') && reply_to_map[i].fallback)
272 recipients = notmuch_message_get_header (message,
273 reply_to_map[i].fallback);
275 addr = add_recipients_for_string (reply, config,
276 reply_to_map[i].recipient_type,
278 if (from_addr == NULL)
286 guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message)
288 const char *received,*primary;
290 char *by,*mta,*ptr,*token;
293 const char *delim=". \t";
296 received = notmuch_message_get_header (message, "received");
297 by = strstr (received, " by ");
299 /* we know that there are 4 characters after by - either the 4th one
300 * is '\0' (broken header) or it is the first letter of the hostname
301 * that last received this email - which we'll use to guess the right
308 /* After the MTA comes its IP address (or HELO response) in parenthesis.
309 * so let's terminate the string there
311 if ((ptr = strchr (mta, '(')) == NULL) {
317 /* Now extract the last two components of the MTA host name
321 while ((ptr = strsep (&token, delim)) != NULL) {
329 /* recombine domain and tld and look for it among the configured
333 primary = notmuch_config_get_user_primary_email (config);
334 if (strcasestr (primary, domain)) {
338 other = notmuch_config_get_user_other_email (config, &other_len);
339 for (i = 0; i < other_len; i++)
340 if (strcasestr (other[i], domain)) {
353 notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_t *query)
356 notmuch_messages_t *messages;
357 notmuch_message_t *message;
358 const char *subject, *from_addr = NULL;
359 const char *in_reply_to, *orig_references, *references;
362 for (messages = notmuch_query_search_messages (query);
363 notmuch_messages_valid (messages);
364 notmuch_messages_move_to_next (messages))
366 message = notmuch_messages_get (messages);
368 /* The 1 means we want headers in a "pretty" order. */
369 reply = g_mime_message_new (1);
371 fprintf (stderr, "Out of memory\n");
375 subject = notmuch_message_get_header (message, "subject");
377 if (strncasecmp (subject, "Re:", 3))
378 subject = talloc_asprintf (ctx, "Re: %s", subject);
379 g_mime_message_set_subject (reply, subject);
381 from_addr = add_recipients_from_message (reply, config, message);
383 if (from_addr == NULL)
384 from_addr = guess_from_received_header (config, message);
386 if (from_addr == NULL)
387 from_addr = notmuch_config_get_user_primary_email (config);
389 from_addr = talloc_asprintf (ctx, "%s <%s>",
390 notmuch_config_get_user_name (config),
392 g_mime_object_set_header (GMIME_OBJECT (reply),
395 g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
396 notmuch_config_get_user_primary_email (config));
398 in_reply_to = talloc_asprintf (ctx, "<%s>",
399 notmuch_message_get_message_id (message));
401 g_mime_object_set_header (GMIME_OBJECT (reply),
402 "In-Reply-To", in_reply_to);
404 orig_references = notmuch_message_get_header (message, "references");
405 references = talloc_asprintf (ctx, "%s%s%s",
406 orig_references ? orig_references : "",
407 orig_references ? " " : "",
409 g_mime_object_set_header (GMIME_OBJECT (reply),
410 "References", references);
412 reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
413 printf ("%s", reply_headers);
414 free (reply_headers);
416 g_object_unref (G_OBJECT (reply));
419 printf ("On %s, %s wrote:\n",
420 notmuch_message_get_header (message, "date"),
421 notmuch_message_get_header (message, "from"));
423 show_message_body (notmuch_message_get_filename (message), reply_part);
425 notmuch_message_destroy (message);
430 /* This format is currently tuned for a git send-email --notmuch hook */
432 notmuch_reply_format_headers_only(void *ctx, notmuch_config_t *config, notmuch_query_t *query)
435 notmuch_messages_t *messages;
436 notmuch_message_t *message;
437 const char *in_reply_to, *orig_references, *references;
440 for (messages = notmuch_query_search_messages (query);
441 notmuch_messages_valid (messages);
442 notmuch_messages_move_to_next (messages))
444 message = notmuch_messages_get (messages);
446 /* The 0 means we do not want headers in a "pretty" order. */
447 reply = g_mime_message_new (0);
449 fprintf (stderr, "Out of memory\n");
453 in_reply_to = talloc_asprintf (ctx, "<%s>",
454 notmuch_message_get_message_id (message));
456 g_mime_object_set_header (GMIME_OBJECT (reply),
457 "In-Reply-To", in_reply_to);
460 orig_references = notmuch_message_get_header (message, "references");
462 /* We print In-Reply-To followed by References because git format-patch treats them
463 * specially. Git does not interpret the other headers specially
465 references = talloc_asprintf (ctx, "%s%s%s",
466 orig_references ? orig_references : "",
467 orig_references ? " " : "",
469 g_mime_object_set_header (GMIME_OBJECT (reply),
470 "References", references);
472 (void)add_recipients_from_message (reply, config, message);
474 g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
475 notmuch_config_get_user_primary_email (config));
477 reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
478 printf ("%s", reply_headers);
479 free (reply_headers);
481 g_object_unref (G_OBJECT (reply));
484 notmuch_message_destroy (message);
490 notmuch_reply_command (void *ctx, int argc, char *argv[])
492 notmuch_config_t *config;
493 notmuch_database_t *notmuch;
494 notmuch_query_t *query;
495 char *opt, *query_string;
497 int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query);
499 reply_format_func = notmuch_reply_format_default;
501 for (i = 0; i < argc && argv[i][0] == '-'; i++) {
502 if (strcmp (argv[i], "--") == 0) {
506 if (STRNCMP_LITERAL (argv[i], "--format=") == 0) {
507 opt = argv[i] + sizeof ("--format=") - 1;
508 if (strcmp (opt, "default") == 0) {
509 reply_format_func = notmuch_reply_format_default;
510 } else if (strcmp (opt, "headers-only") == 0) {
511 reply_format_func = notmuch_reply_format_headers_only;
513 fprintf (stderr, "Invalid value for --format: %s\n", opt);
517 fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
525 config = notmuch_config_open (ctx, NULL, NULL);
529 query_string = query_string_from_args (ctx, argc, argv);
530 if (query_string == NULL) {
531 fprintf (stderr, "Out of memory\n");
535 if (*query_string == '\0') {
536 fprintf (stderr, "Error: notmuch reply requires at least one search term.\n");
540 notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
541 NOTMUCH_DATABASE_MODE_READ_ONLY);
545 query = notmuch_query_create (notmuch, query_string);
547 fprintf (stderr, "Out of memory\n");
551 if (reply_format_func (ctx, config, query) != 0)
554 notmuch_query_destroy (query);
555 notmuch_database_close (notmuch);