2.78
main.c
1/* snac - A simple, minimalistic ActivityPub instance */
2/* copyright (c) 2022 - 2025 grunfink et al. / MIT license */
3
4#include "xs.h"
5#include "xs_io.h"
6#include "xs_json.h"
7#include "xs_time.h"
8#include "xs_openssl.h"
9#include "xs_match.h"
10
11#include "snac.h"
12
13#include <sys/stat.h>
14#include <sys/wait.h>
15
16int usage(void)
17{
18 printf("snac " VERSION " - A simple, minimalistic ActivityPub instance\n");
19 printf("Copyright (c) 2022 - 2025 grunfink et al. / MIT license\n");
20 printf("\n");
21 printf("Commands:\n");
22 printf("\n");
23 printf("init [{basedir}] Initializes the data storage\n");
24 printf("upgrade {basedir} Upgrade to a new version\n");
25 printf("adduser {basedir} [{uid}] Adds a new user\n");
26 printf("deluser {basedir} {uid} Deletes a user\n");
27 printf("httpd {basedir} Starts the HTTPD daemon\n");
28 printf("purge {basedir} Purges old data\n");
29 printf("state {basedir} Prints server state\n");
30 printf("webfinger {basedir} {account} Queries about an account (@user@host or actor url)\n");
31 printf("queue {basedir} {uid} Processes a user queue\n");
32 printf("follow {basedir} {uid} {actor} Follows an actor\n");
33 printf("unfollow {basedir} {uid} {actor} Unfollows an actor\n");
34 printf("request {basedir} {uid} {url} Requests an object\n");
35 printf("insert {basedir} {uid} {url} Requests an object and inserts it into the timeline\n");
36 printf("actor {basedir} [{uid}] {url} Requests an actor\n");
37 printf("note {basedir} {uid} {text} [files...] Sends a note with optional attachments\n");
38 printf("note_unlisted {basedir} {uid} {text} [files...] Sends an unlisted note with optional attachments\n");
39 printf("note_mention {basedir} {uid} {text} [files...] Sends a note only to mentioned accounts\n");
40 printf("boost|announce {basedir} {uid} {url} Boosts (announces) a post\n");
41 printf("unboost {basedir} {uid} {url} Unboosts a post\n");
42 printf("resetpwd {basedir} {uid} Resets the password of a user\n");
43 printf("ping {basedir} {uid} {actor} Pings an actor\n");
44 printf("webfinger_s {basedir} {uid} {account} Queries about an account (@user@host or actor url)\n");
45 printf("pin {basedir} {uid} {msg_url} Pins a message\n");
46 printf("unpin {basedir} {uid} {msg_url} Unpins a message\n");
47 printf("bookmark {basedir} {uid} {msg_url} Bookmarks a message\n");
48 printf("unbookmark {basedir} {uid} {msg_url} Unbookmarks a message\n");
49 printf("block {basedir} {instance_url} Blocks a full instance\n");
50 printf("unblock {basedir} {instance_url} Unblocks a full instance\n");
51 printf("limit {basedir} {uid} {actor} Limits an actor (drops their announces)\n");
52 printf("unlimit {basedir} {uid} {actor} Unlimits an actor\n");
53 printf("unmute {basedir} {uid} {actor} Unmutes a previously muted actor\n");
54 printf("verify_links {basedir} {uid} Verifies a user's links (in the metadata)\n");
55 printf("search {basedir} {uid} {regex} Searches posts by content\n");
56 printf("export_csv {basedir} {uid} Exports data as CSV files\n");
57 printf("alias {basedir} {uid} {account} Sets account (@user@host or actor url) as an alias\n");
58 printf("migrate {basedir} {uid} Migrates to the account defined as the alias\n");
59 printf("import_csv {basedir} {uid} Imports data from CSV files\n");
60 printf("import_list {basedir} {uid} {file} Imports a Mastodon CSV list file\n");
61 printf("import_block_list {basedir} {uid} {file} Imports a Mastodon CSV block list file\n");
62 printf("lists {basedir} {uid} Returns the names of the lists created by the user\n");
63 printf("list_members {basedir} {uid} {name} Returns the list of accounts inside a list\n");
64 printf("create_list {basedir} {uid} {name} Creates a new list\n");
65 printf("delete_list {basedir} {uid} {name} Deletes an existing list\n");
66 printf("list_add {basedir} {uid} {name} {acct} Adds an account (@user@host or actor url) to a list\n");
67 printf("list_del {basedir} {uid} {name} {actor} Deletes an actor URL from a list\n");
68
69 return 1;
70}
71
72
73char *get_argv(int *argi, int argc, char *argv[])
74{
75 if (*argi < argc)
76 return argv[(*argi)++];
77 else
78 return NULL;
79}
80
81
82#define GET_ARGV() get_argv(&argi, argc, argv)
83
84int main(int argc, char *argv[])
85{
86 char *cmd;
87 char *basedir;
88 char *user;
89 char *url;
90 int argi = 1;
91 snac snac;
92
93 /* ensure group has write access */
94 umask(0007);
95
96 if ((cmd = GET_ARGV()) == NULL)
97 return usage();
98
99 if (strcmp(cmd, "init") == 0) { /** **/
100 /* initialize the data storage */
101 /* ... */
102 basedir = GET_ARGV();
103
104 return snac_init(basedir);
105 }
106
107 if ((basedir = getenv("SNAC_BASEDIR")) == NULL) {
108 if ((basedir = GET_ARGV()) == NULL)
109 return usage();
110 }
111
112 if (strcmp(cmd, "upgrade") == 0) { /** **/
113 int ret;
114
115 /* upgrade */
116 if ((ret = srv_open(basedir, 1)) == 1)
117 srv_log(xs_dup("OK"));
118
119 return ret;
120 }
121
122 if (!srv_open(basedir, 0)) {
123 srv_log(xs_fmt("error opening data storage at %s", basedir));
124 return 1;
125 }
126
127 if (strcmp(cmd, "adduser") == 0) { /** **/
128 user = GET_ARGV();
129
130 return adduser(user);
131
132 return 0;
133 }
134
135 if (strcmp(cmd, "httpd") == 0) { /** **/
136 httpd();
137 srv_free();
138 return 0;
139 }
140
141 if (strcmp(cmd, "purge") == 0) { /** **/
142 purge_all();
143 return 0;
144 }
145
146 if (strcmp(cmd, "poll_hashtag_rss") == 0) { /** **/
147 rss_poll_hashtags();
148 return 0;
149 }
150
151 if (strcmp(cmd, "state") == 0) { /** **/
152 xs *shm_name = NULL;
153 srv_state *p_state = srv_state_op(&shm_name, 1);
154
155 if (p_state == NULL)
156 return 1;
157
158 srv_state ss = *p_state;
159 int n;
160
161 printf("server: %s (%s)\n", xs_dict_get(srv_config, "host"), USER_AGENT);
162 xs *uptime = xs_str_time_diff(time(NULL) - ss.srv_start_time);
163 printf("uptime: %s\n", uptime);
164 printf("job fifo size (cur): %d\n", ss.job_fifo_size);
165 printf("job fifo size (peak): %d\n", ss.peak_job_fifo_size);
166 char *th_states[] = { "stopped", "waiting", "input", "output" };
167
168 for (n = 0; n < ss.n_threads; n++)
169 printf("thread #%d state: %s\n", n, th_states[ss.th_state[n]]);
170
171 return 0;
172 }
173
174 if ((user = GET_ARGV()) == NULL)
175 return usage();
176
177 if (strcmp(cmd, "block") == 0) { /** **/
178 int ret = instance_block(user);
179
180 if (ret < 0) {
181 fprintf(stderr, "Error blocking instance %s: %d\n", user, ret);
182 return 1;
183 }
184
185 return 0;
186 }
187
188 if (strcmp(cmd, "unblock") == 0) { /** **/
189 int ret = instance_unblock(user);
190
191 if (ret < 0) {
192 fprintf(stderr, "Error unblocking instance %s: %d\n", user, ret);
193 return 1;
194 }
195
196 return 0;
197 }
198
199 if (strcmp(cmd, "webfinger") == 0) { /** **/
200 xs *actor = NULL;
201 xs *uid = NULL;
202 int status;
203
204 status = webfinger_request(user, &actor, &uid);
205
206 printf("status: %d\n", status);
207 if (actor != NULL)
208 printf("actor: %s\n", actor);
209 if (uid != NULL)
210 printf("uid: %s\n", uid);
211
212 return 0;
213 }
214
215 if (argi == argc && strcmp(cmd, "actor") == 0) { /** **/
216 /* query an actor without user (non-signed) */
217 xs *actor = NULL;
218 int status;
219
220 status = actor_request(NULL, user, &actor);
221
222 printf("status: %d\n", status);
223 if (valid_status(status)) {
224 xs_json_dump(actor, 4, stdout);
225 printf("\n");
226 }
227
228 return 0;
229 }
230
231 if (!user_open(&snac, user)) {
232 printf("invalid user '%s'\n", user);
233 return 1;
234 }
235
236 lastlog_write(&snac, "cmdline");
237
238 if (strcmp(cmd, "resetpwd") == 0) { /** **/
239 return resetpwd(&snac);
240 }
241
242 if (strcmp(cmd, "deluser") == 0) { /** **/
243 return deluser(&snac);
244 }
245
246 if (strcmp(cmd, "update") == 0) { /** **/
247 xs *a_msg = msg_actor(&snac);
248 xs *u_msg = msg_update(&snac, a_msg);
249 enqueue_message(&snac, u_msg);
250 return 0;
251 }
252
253 if (strcmp(cmd, "queue") == 0) { /** **/
254 process_user_queue(&snac);
255 return 0;
256 }
257
258 if (strcmp(cmd, "verify_links") == 0) { /** **/
259 verify_links(&snac);
260 return 0;
261 }
262
263 if (strcmp(cmd, "timeline") == 0) { /** **/
264#if 0
265 xs *list = local_list(&snac, XS_ALL);
266 xs *body = html_timeline(&snac, list, 1);
267
268 printf("%s\n", body);
269 user_free(&snac);
270 srv_free();
271#endif
272
273 xs *idx = xs_fmt("%s/private.idx", snac.basedir);
274 xs *list = index_list_desc(idx, 0, 256);
275 xs *tl = timeline_top_level(&snac, list);
276
277 xs_json_dump(tl, 4, stdout);
278
279 return 0;
280 }
281
282 if (strcmp(cmd, "export_csv") == 0) { /** **/
283 export_csv(&snac);
284 return 0;
285 }
286
287 if (strcmp(cmd, "import_csv") == 0) { /** **/
288 import_csv(&snac);
289 return 0;
290 }
291
292 if (strcmp(cmd, "migrate") == 0) { /** **/
293 return migrate_account(&snac);
294 }
295
296 if (strcmp(cmd, "lists") == 0) { /** **/
297 xs *lol = list_maint(&snac, NULL, 0);
298 const xs_list *l;
299
300 xs_list_foreach(lol, l) {
301 printf("%s (%s)\n", xs_list_get(l, 1), xs_list_get(l, 0));
302 }
303
304 return 0;
305 }
306
307 if ((url = GET_ARGV()) == NULL)
308 return usage();
309
310 if (strcmp(cmd, "list_members") == 0) { /** **/
311 xs *lid = list_maint(&snac, url, 4);
312
313 if (lid != NULL) {
314 xs *lcont = list_content(&snac, lid, NULL, 0);
315 const char *md5;
316
317 xs_list_foreach(lcont, md5) {
318 xs *actor = NULL;
319
320 if (valid_status(object_get_by_md5(md5, &actor))) {
321 printf("%s (%s)\n", xs_dict_get(actor, "id"), xs_dict_get_def(actor, "preferredUsername", ""));
322 }
323 }
324 }
325 else
326 fprintf(stderr, "Cannot find a list named '%s'\n", url);
327
328 return 0;
329 }
330
331 if (strcmp(cmd, "create_list") == 0) { /** **/
332 xs *lid = list_maint(&snac, url, 4);
333
334 if (lid == NULL) {
335 xs *n_lid = list_maint(&snac, url, 1);
336 printf("New list named '%s' created (%s)\n", url, n_lid);
337 }
338 else
339 fprintf(stderr, "A list named '%s' already exist\n", url);
340
341 return 0;
342 }
343
344 if (strcmp(cmd, "delete_list") == 0) { /** **/
345 xs *lid = list_maint(&snac, url, 4);
346
347 if (lid != NULL) {
348 list_maint(&snac, lid, 2);
349 printf("List '%s' (%s) deleted\n", url, lid);
350 }
351 else
352 fprintf(stderr, "Cannot find a list named '%s'\n", url);
353
354 return 0;
355 }
356
357 if (strcmp(cmd, "list_add") == 0) { /** **/
358 const char *account = GET_ARGV();
359
360 if (account != NULL) {
361 xs *lid = list_maint(&snac, url, 4);
362
363 if (lid != NULL) {
364 xs *actor = NULL;
365 xs *uid = NULL;
366
367 if (valid_status(webfinger_request(account, &actor, &uid))) {
368 xs *md5 = xs_md5_hex(actor, strlen(actor));
369
370 list_content(&snac, lid, md5, 1);
371 printf("Actor %s (%s) added to list '%s' (%s)\n", actor, uid, url, lid);
372 }
373 else
374 fprintf(stderr, "Cannot resolve account '%s'\n", account);
375 }
376 else
377 fprintf(stderr, "Cannot find a list named '%s'\n", url);
378
379 }
380
381 return 0;
382 }
383
384 if (strcmp(cmd, "list_del") == 0) { /** **/
385 const char *account = GET_ARGV();
386
387 if (account != NULL) {
388 xs *lid = list_maint(&snac, url, 4);
389
390 if (lid != NULL) {
391 xs *md5 = xs_md5_hex(account, strlen(account));
392
393 list_content(&snac, lid, md5, 2);
394 printf("Actor %s deleted from list '%s' (%s)\n", account, url, lid);
395 }
396 else
397 fprintf(stderr, "Cannot find a list named '%s'\n", url);
398
399 }
400
401 return 0;
402 }
403
404 if (strcmp(cmd, "alias") == 0) { /** **/
405 xs *actor = NULL;
406 xs *uid = NULL;
407 int status = HTTP_STATUS_OK;
408
409 if (*url == '\0')
410 actor = xs_dup("");
411 else
412 status = webfinger_request(url, &actor, &uid);
413
414 if (valid_status(status)) {
415 if (strcmp(actor, snac.actor) == 0) {
416 snac_log(&snac, xs_fmt("You can't be your own alias"));
417 return 1;
418 }
419 else {
420 snac.config = xs_dict_set(snac.config, "alias", actor);
421 snac.config = xs_dict_set(snac.config, "alias_raw", url);
422
423 user_persist(&snac, 1);
424 }
425 }
426 else {
427 snac_log(&snac, xs_fmt("Webfinger error for %s %d", url, status));
428 return 1;
429 }
430
431 return 0;
432 }
433
434 if (strcmp(cmd, "webfinger_s") == 0) { /** **/
435 xs *actor = NULL;
436 xs *uid = NULL;
437 int status;
438
439 status = webfinger_request_signed(&snac, url, &actor, &uid);
440
441 printf("status: %d\n", status);
442 if (actor != NULL)
443 printf("actor: %s\n", actor);
444 if (uid != NULL)
445 printf("uid: %s\n", uid);
446
447 return 0;
448 }
449
450 if (strcmp(cmd, "boost") == 0 || strcmp(cmd, "announce") == 0) { /** **/
451 xs *msg = msg_admiration(&snac, url, "Announce");
452
453 if (msg != NULL) {
454 enqueue_message(&snac, msg);
455
456 if (dbglevel) {
457 xs_json_dump(msg, 4, stdout);
458 }
459 }
460
461 return 0;
462 }
463
464
465 if (strcmp(cmd, "assist") == 0) { /** **/
466 /* undocumented: experimental (do not use) */
467 xs *msg = msg_admiration(&snac, url, "Accept");
468
469 if (msg != NULL) {
470 enqueue_message(&snac, msg);
471
472 if (dbglevel) {
473 xs_json_dump(msg, 4, stdout);
474 }
475 }
476
477 return 0;
478 }
479
480 if (strcmp(cmd, "unboost") == 0) { /** **/
481 xs *msg = msg_repulsion(&snac, url, "Announce");
482
483 if (msg != NULL) {
484 enqueue_message(&snac, msg);
485
486 if (dbglevel) {
487 xs_json_dump(msg, 4, stdout);
488 }
489 }
490
491 return 0;
492 }
493
494 if (strcmp(cmd, "follow") == 0) { /** **/
495 xs *msg = msg_follow(&snac, url);
496
497 if (msg != NULL) {
498 const char *actor = xs_dict_get(msg, "object");
499
500 following_add(&snac, actor, msg);
501
502 enqueue_output_by_actor(&snac, msg, actor, 0);
503
504 if (dbglevel) {
505 xs_json_dump(msg, 4, stdout);
506 }
507 }
508
509 return 0;
510 }
511
512 if (strcmp(cmd, "unfollow") == 0) { /** **/
513 xs *object = NULL;
514
515 if (valid_status(following_get(&snac, url, &object))) {
516 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
517
518 following_del(&snac, url);
519
520 enqueue_output_by_actor(&snac, msg, url, 0);
521
522 snac_log(&snac, xs_fmt("unfollowed actor %s", url));
523 }
524 else
525 snac_log(&snac, xs_fmt("actor is not being followed %s", url));
526
527 return 0;
528 }
529
530 if (strcmp(cmd, "limit") == 0) { /** **/
531 int ret;
532
533 if (!following_check(&snac, url))
534 snac_log(&snac, xs_fmt("actor %s is not being followed", url));
535 else
536 if ((ret = limit(&snac, url)) == 0)
537 snac_log(&snac, xs_fmt("actor %s is now limited", url));
538 else
539 snac_log(&snac, xs_fmt("error limiting actor %s (%d)", url, ret));
540
541 return 0;
542 }
543
544 if (strcmp(cmd, "unlimit") == 0) { /** **/
545 int ret;
546
547 if (!following_check(&snac, url))
548 snac_log(&snac, xs_fmt("actor %s is not being followed", url));
549 else
550 if ((ret = unlimit(&snac, url)) == 0)
551 snac_log(&snac, xs_fmt("actor %s is no longer limited", url));
552 else
553 snac_log(&snac, xs_fmt("error unlimiting actor %s (%d)", url, ret));
554
555 return 0;
556 }
557
558 if (strcmp(cmd, "unmute") == 0) { /** **/
559 if (is_muted(&snac, url)) {
560 unmute(&snac, url);
561
562 printf("%s unmuted\n", url);
563 }
564 else
565 printf("%s actor is not muted\n", url);
566
567 return 0;
568 }
569
570 if (strcmp(cmd, "search") == 0) { /** **/
571 int to;
572
573 /* 'url' contains the regex */
574 xs *r = content_search(&snac, url, 1, 0, XS_ALL, 10, &to);
575
576 int c = 0;
577 const char *v;
578
579 /* print results as standalone links */
580 while (xs_list_next(r, &v, &c)) {
581 printf("%s/admin/p/%s\n", snac.actor, v);
582 }
583
584 return 0;
585 }
586
587 if (strcmp(cmd, "ping") == 0) { /** **/
588 xs *actor_o = NULL;
589
590 if (!xs_startswith(url, "https:/")) {
591 /* try to resolve via webfinger */
592 if (!valid_status(webfinger_request(url, &url, NULL))) {
593 srv_log(xs_fmt("cannot resolve %s via webfinger", url));
594 return 1;
595 }
596 }
597
598 if (valid_status(actor_request(&snac, url, &actor_o))) {
599 xs *msg = msg_ping(&snac, url);
600
601 enqueue_output_by_actor(&snac, msg, url, 0);
602
603 if (dbglevel) {
604 xs_json_dump(msg, 4, stdout);
605 }
606
607 srv_log(xs_fmt("Ping sent to %s -- see log for Pong reply", url));
608 }
609 else {
610 srv_log(xs_fmt("Error getting actor %s", url));
611 return 1;
612 }
613
614 return 0;
615 }
616
617 if (strcmp(cmd, "pin") == 0) { /** **/
618 int ret = pin(&snac, url);
619 if (ret < 0) {
620 fprintf(stderr, "error pinning %s %d\n", url, ret);
621 return 1;
622 }
623
624 return 0;
625 }
626
627 if (strcmp(cmd, "unpin") == 0) { /** **/
628 int ret = unpin(&snac, url);
629 if (ret < 0) {
630 fprintf(stderr, "error unpinning %s %d\n", url, ret);
631 return 1;
632 }
633
634 return 0;
635 }
636
637 if (strcmp(cmd, "bookmark") == 0) { /** **/
638 int ret = bookmark(&snac, url);
639 if (ret < 0) {
640 fprintf(stderr, "error bookmarking %s %d\n", url, ret);
641 return 1;
642 }
643
644 return 0;
645 }
646
647 if (strcmp(cmd, "unbookmark") == 0) { /** **/
648 int ret = unbookmark(&snac, url);
649 if (ret < 0) {
650 fprintf(stderr, "error unbookmarking %s %d\n", url, ret);
651 return 1;
652 }
653
654 return 0;
655 }
656
657 if (strcmp(cmd, "question") == 0) { /** **/
658 int end_secs = 5 * 60;
659 xs *opts = xs_split(url, ";");
660
661 xs *msg = msg_question(&snac, "Poll", NULL, opts, 0, end_secs);
662 xs *c_msg = msg_create(&snac, msg);
663
664 if (dbglevel) {
665 xs_json_dump(c_msg, 4, stdout);
666 }
667
668 enqueue_message(&snac, c_msg);
669 enqueue_close_question(&snac, xs_dict_get(msg, "id"), end_secs);
670
671 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
672
673 return 0;
674 }
675
676 if (strcmp(cmd, "request") == 0) { /** **/
677 int status;
678 xs *data = NULL;
679
680 status = activitypub_request(&snac, url, &data);
681
682 printf("status: %d\n", status);
683
684 if (data != NULL) {
685 xs_json_dump(data, 4, stdout);
686 }
687
688 return 0;
689 }
690
691 if (strcmp(cmd, "insert") == 0) { /** **/
692 int status;
693 xs *data = NULL;
694
695 status = activitypub_request(&snac, url, &data);
696
697 printf("status: %d\n", status);
698
699 if (data != NULL) {
700 xs_json_dump(data, 4, stdout);
701 enqueue_actor_refresh(&snac, xs_dict_get(data, "attributedTo"), 0);
702
703 if (!timeline_here(&snac, url))
704 timeline_add(&snac, url, data);
705 else
706 printf("Post %s already here\n", url);
707 }
708
709 return 0;
710 }
711
712 if (strcmp(cmd, "request2") == 0) { /** **/
713 enqueue_object_request(&snac, url, 2);
714
715 return 0;
716 }
717
718 if (strcmp(cmd, "actor") == 0) { /** **/
719 int status;
720 xs *data = NULL;
721
722 status = actor_request(&snac, url, &data);
723
724 printf("status: %d\n", status);
725
726 if (valid_status(status)) {
727 xs_json_dump(data, 4, stdout);
728 }
729
730 return 0;
731 }
732
733 if (strcmp(cmd, "import_list") == 0) { /** **/
734 import_list_csv(&snac, url);
735
736 return 0;
737 }
738
739 if (strcmp(cmd, "import_block_list") == 0) { /** **/
740 import_blocked_accounts_csv(&snac, url);
741
742 return 0;
743 }
744
745 if (strcmp(cmd, "note") == 0 || /** **/
746 strcmp(cmd, "note_unlisted") == 0 || /** **/
747 strcmp(cmd, "note_mention") == 0) { /** **/
748 xs *content = NULL;
749 xs *msg = NULL;
750 xs *c_msg = NULL;
751 xs *attl = xs_list_new();
752 char *fn = NULL;
753
754 /* iterate possible attachments */
755 while ((fn = GET_ARGV())) {
756 FILE *f;
757
758 if ((f = fopen(fn, "rb")) != NULL) {
759 /* get the file size and content */
760 fseek(f, 0, SEEK_END);
761 int sz = ftell(f);
762 fseek(f, 0, SEEK_SET);
763 xs *atc = xs_readall(f);
764 fclose(f);
765
766 char *ext = strrchr(fn, '.');
767 xs *hash = xs_md5_hex(fn, strlen(fn));
768 xs *id = xs_fmt("%s%s", hash, ext);
769 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
770
771 /* store */
772 static_put(&snac, id, atc, sz);
773
774 xs *l = xs_list_new();
775
776 l = xs_list_append(l, url);
777 l = xs_list_append(l, ""); /* alt text */
778
779 attl = xs_list_append(attl, l);
780 }
781 else
782 fprintf(stderr, "Error opening '%s' as attachment\n", fn);
783 }
784
785 if (strcmp(url, "-e") == 0) {
786 /* get the content from an editor */
787#define EDITOR "$EDITOR "
788 char cmd[] = EDITOR "/tmp/snac-XXXXXX";
789 FILE *f;
790 int fd = mkstemp(cmd + strlen(EDITOR));
791
792 if (fd >= 0) {
793 int status = system(cmd);
794
795 if (WIFEXITED(status) && WEXITSTATUS(status) == 0 && (f = fdopen(fd, "r")) != NULL) {
796 content = xs_readall(f);
797 fclose(f);
798 unlink(cmd + strlen(EDITOR));
799 } else {
800 printf("Nothing to send\n");
801 close(fd);
802 return 1;
803 }
804 } else {
805 fprintf(stderr, "Temp file creation failed\n");
806 return 1;
807 }
808 }
809 else
810 if (strcmp(url, "-") == 0) {
811 /* get the content from stdin */
812 content = xs_readall(stdin);
813 }
814 else
815 content = xs_dup(url);
816
817 if (!content || !*content) {
818 printf("Nothing to send\n");
819 return 1;
820 }
821
822 int scope = 0;
823 if (strcmp(cmd, "note_mention") == 0)
824 scope = 1;
825 else
826 if (strcmp(cmd, "note_unlisted") == 0)
827 scope = 2;
828
829 msg = msg_note(&snac, content, NULL, NULL, attl, scope, getenv("LANG"), NULL);
830
831 c_msg = msg_create(&snac, msg);
832
833 if (dbglevel) {
834 xs_json_dump(c_msg, 4, stdout);
835 }
836
837 enqueue_message(&snac, c_msg);
838 enqueue_webmention(msg);
839
840 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
841
842 return 0;
843 }
844
845 fprintf(stderr, "ERROR: bad command '%s'\n", cmd);
846
847 return 1;
848}