2.90
mastoapi.c
1/* snac - A simple, minimalistic ActivityPub instance */
2/* copyright (c) 2022 - 2026 grunfink et al. / MIT license */
3
4#ifndef NO_MASTODON_API
5
6#include "xs.h"
7#include "xs_hex.h"
8#include "xs_openssl.h"
9#include "xs_json.h"
10#include "xs_io.h"
11#include "xs_time.h"
12#include "xs_glob.h"
13#include "xs_set.h"
14#include "xs_random.h"
15#include "xs_url.h"
16#include "xs_mime.h"
17#include "xs_match.h"
18#include "xs_unicode.h"
19#include "xs_http.h"
20
21#include "snac.h"
22
23#include <sys/time.h>
24
25static xs_str *random_str(void)
26/* just what is says in the tin */
27{
28 unsigned int data[4] = {0};
29
30 xs_rnd_buf(data, sizeof(data));
31 return xs_hex_enc((char *)data, sizeof(data));
32}
33
34
35int app_add(const char *id, const xs_dict *app)
36/* stores an app */
37{
38 if (!xs_is_hex(id))
39 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
40
41 int status = HTTP_STATUS_CREATED;
42 xs *fn = xs_fmt("%s/app/", srv_basedir);
43 FILE *f;
44
45 mkdirx(fn);
46 fn = xs_str_cat(fn, id);
47 fn = xs_str_cat(fn, ".json");
48
49 if ((f = fopen(fn, "w")) != NULL) {
50 xs_json_dump(app, 4, f);
51 fclose(f);
52 }
53 else
54 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
55
56 return status;
57}
58
59
60xs_str *_app_fn(const char *id)
61{
62 return xs_fmt("%s/app/%s.json", srv_basedir, id);
63}
64
65
66xs_dict *app_get(const char *id)
67/* gets an app */
68{
69 if (!xs_is_hex(id))
70 return NULL;
71
72 xs *fn = _app_fn(id);
73 xs_dict *app = NULL;
74 FILE *f;
75
76 if ((f = fopen(fn, "r")) != NULL) {
77 app = xs_json_load(f);
78 fclose(f);
79
80 }
81
82 return app;
83}
84
85
86int app_del(const char *id)
87/* deletes an app */
88{
89 if (!xs_is_hex(id))
90 return -1;
91
92 xs *fn = _app_fn(id);
93
94 return unlink(fn);
95}
96
97
98int token_add(const char *id, const xs_dict *token)
99/* stores a token */
100{
101 if (!xs_is_hex(id))
102 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
103
104 int status = HTTP_STATUS_CREATED;
105 xs *fn = xs_fmt("%s/token/", srv_basedir);
106 FILE *f;
107
108 mkdirx(fn);
109 fn = xs_str_cat(fn, id);
110 fn = xs_str_cat(fn, ".json");
111
112 if ((f = fopen(fn, "w")) != NULL) {
113 xs_json_dump(token, 4, f);
114 fclose(f);
115 }
116 else
117 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
118
119 return status;
120}
121
122
123xs_dict *token_get(const char *id)
124/* gets a token */
125{
126 if (!xs_is_hex(id))
127 return NULL;
128
129 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
130 xs_dict *token = NULL;
131 FILE *f;
132
133 if ((f = fopen(fn, "r")) != NULL) {
134 token = xs_json_load(f);
135 fclose(f);
136
137 /* 'touch' the file */
138 utimes(fn, NULL);
139
140 /* also 'touch' the app */
141 const char *app_id = xs_dict_get(token, "client_id");
142
143 if (app_id) {
144 xs *afn = xs_fmt("%s/app/%s.json", srv_basedir, app_id);
145 utimes(afn, NULL);
146 }
147 }
148
149 return token;
150}
151
152
153int token_del(const char *id)
154/* deletes a token */
155{
156 if (!xs_is_hex(id))
157 return -1;
158
159 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
160
161 return unlink(fn);
162}
163
164
165const char * const login_page = ""
166"<!DOCTYPE html>\n"
167"<html>\n"
168"<head>\n"
169"<title>%s OAuth - Snac2</title>\n"
170"<meta content=\"width=device-width, initial-scale=1, minimum-scale=1, user-scalable=no\" name=\"viewport\">"
171"<style>:root {color-scheme: light dark}</style>\n"
172"</head>\n"
173"<body><h1>%s OAuth identify</h1>\n"
174"<div style=\"background-color: red; color: white\">%s</div>\n"
175"<form method=\"post\" action=\"%s:/" "/%s/%s\">\n"
176"<p>Login: <input type=\"text\" name=\"login\" autocapitalize=\"off\"></p>\n"
177"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
178"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
179"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
180"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
181"<input type=\"submit\" value=\"OK\">\n"
182"</form><p>%s</p></body></html>\n"
183"";
184
185int oauth_get_handler(const xs_dict *req, const char *q_path,
186 char **body, int *b_size, char **ctype)
187{
188 (void)b_size;
189
190 if (!xs_startswith(q_path, "/oauth/"))
191 return 0;
192
193 int status = HTTP_STATUS_NOT_FOUND;
194 const xs_dict *msg = xs_dict_get(req, "q_vars");
195 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
196
197 srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
198
199 if (strcmp(cmd, "/authorize") == 0) { /** **/
200 const char *cid = xs_dict_get(msg, "client_id");
201 const char *ruri = xs_dict_get(msg, "redirect_uri");
202 const char *rtype = xs_dict_get(msg, "response_type");
203 const char *state = xs_dict_get(msg, "state");
204
205 status = HTTP_STATUS_BAD_REQUEST;
206
207 if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
208 xs *app = app_get(cid);
209
210 if (app != NULL) {
211 const char *host = xs_dict_get(srv_config, "host");
212 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
213
214 if (xs_is_null(state))
215 state = "";
216
217 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
218 ruri, cid, state, USER_AGENT);
219 *ctype = "text/html";
220 status = HTTP_STATUS_OK;
221
222 srv_debug(1, xs_fmt("oauth authorize: generating login page"));
223 }
224 else
225 srv_debug(1, xs_fmt("oauth authorize: bad client_id %s", cid));
226 }
227 else
228 srv_debug(1, xs_fmt("oauth authorize: invalid or unset arguments"));
229 }
230 else
231 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
232 const char *host = xs_dict_get(srv_config, "host");
233 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
234
235 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
236 "", "", "", USER_AGENT);
237 *ctype = "text/html";
238 status = HTTP_STATUS_OK;
239
240 }
241
242 return status;
243}
244
245
246int oauth_post_handler(const xs_dict *req, const char *q_path,
247 const char *payload, int p_size,
248 char **body, int *b_size, char **ctype)
249{
250 (void)p_size;
251 (void)b_size;
252
253 if (!xs_startswith(q_path, "/oauth/"))
254 return 0;
255
256 int status = HTTP_STATUS_NOT_FOUND;
257
258 const char *i_ctype = xs_dict_get(req, "content-type");
259 xs *args = NULL;
260
261 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
262 if (!xs_is_null(payload))
263 args = xs_json_loads(payload);
264 }
265 else
266 if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded") && payload) {
267 args = xs_url_vars(payload);
268 }
269 else
270 args = xs_dup(xs_dict_get(req, "p_vars"));
271
272 if (args == NULL)
273 return HTTP_STATUS_BAD_REQUEST;
274
275 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
276
277 srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
278
279 if (strcmp(cmd, "/x-snac-login") == 0) { /** **/
280 const char *login = xs_dict_get(args, "login");
281 const char *passwd = xs_dict_get(args, "passwd");
282 const char *redir = xs_dict_get(args, "redir");
283 const char *cid = xs_dict_get(args, "cid");
284 const char *state = xs_dict_get(args, "state");
285 const char *host = xs_dict_get(srv_config, "host");
286 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
287
288 /* by default, generate another login form with an error */
289 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
290 redir, cid, state, USER_AGENT);
291 *ctype = "text/html";
292 status = HTTP_STATUS_OK;
293
294 if (login && passwd && redir && cid) {
295 snac snac;
296
297 if (user_open(&snac, login)) {
298 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
299 xs_dict_get(req, "x-forwarded-for"));
300
301 if (badlogin_check(login, addr)) {
302 /* check the login + password */
303 if (check_password(login, passwd, xs_dict_get(snac.config, "passwd"))) {
304 /* success! redirect to the desired uri */
305 xs *code = random_str();
306
307 xs_free(*body);
308
309 if (strcmp(redir, "urn:ietf:wg:oauth:2.0:oob") == 0) {
310 *body = xs_dup(code);
311 }
312 else {
313 if (xs_str_in(redir, "?") != -1)
314 *body = xs_fmt("%s&code=%s", redir, code);
315 else
316 *body = xs_fmt("%s?code=%s", redir, code);
317
318 status = HTTP_STATUS_SEE_OTHER;
319 }
320
321 /* if there is a state, add it */
322 if (!xs_is_null(state) && *state) {
323 *body = xs_str_cat(*body, "&state=");
324 *body = xs_str_cat(*body, state);
325 }
326
327 srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
328 login, *body));
329
330 /* assign the login to the app */
331 xs *app = app_get(cid);
332
333 if (app != NULL) {
334 app = xs_dict_set(app, "uid", login);
335 app = xs_dict_set(app, "code", code);
336 app_add(cid, app);
337 }
338 else
339 srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
340 }
341 else {
342 srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
343 badlogin_inc(login, addr);
344 }
345 }
346
347 user_free(&snac);
348 }
349 else
350 srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
351 }
352 else
353 srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
354 }
355 else
356 if (strcmp(cmd, "/token") == 0) { /** **/
357 xs *wrk = NULL;
358 const char *gtype = xs_dict_get(args, "grant_type");
359 const char *code = xs_dict_get(args, "code");
360 const char *cid = xs_dict_get(args, "client_id");
361 const char *csec = xs_dict_get(args, "client_secret");
362 const char *ruri = xs_dict_get(args, "redirect_uri");
363 const char *scope = xs_dict_get(args, "scope");
364
365 /* no client_secret? check if it's inside an authorization header
366 (AndStatus does it this way) */
367 if (xs_is_null(csec)) {
368 const char *auhdr = xs_dict_get(req, "authorization");
369
370 if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
371 xs *s1 = xs_replace_n(auhdr, "Basic ", "", 1);
372 int size;
373 xs *s2 = xs_base64_dec(s1, &size);
374
375 if (!xs_is_null(s2)) {
376 xs *l1 = xs_split(s2, ":");
377
378 if (xs_list_len(l1) == 2) {
379 wrk = xs_dup(xs_list_get(l1, 1));
380 csec = wrk;
381 }
382 }
383 }
384 }
385
386 /* no code?
387 I'm not sure of the impacts of this right now, but Subway Tooter does not
388 provide a code so one must be generated */
389 if (xs_is_null(code)){
390 code = random_str();
391 }
392 if (gtype && code && cid && csec && ruri) {
393 xs *app = app_get(cid);
394
395 if (app == NULL) {
396 status = HTTP_STATUS_UNAUTHORIZED;
397 srv_log(xs_fmt("oauth token: invalid app %s", cid));
398 }
399 else
400 if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
401 status = HTTP_STATUS_UNAUTHORIZED;
402 srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
403 }
404 else {
405 xs *rsp = xs_dict_new();
406 xs *cat = xs_number_new(time(NULL));
407 xs *tokid = random_str();
408
409 rsp = xs_dict_append(rsp, "access_token", tokid);
410 rsp = xs_dict_append(rsp, "token_type", "Bearer");
411 rsp = xs_dict_append(rsp, "created_at", cat);
412
413 if (!xs_is_null(scope))
414 rsp = xs_dict_append(rsp, "scope", scope);
415
416 *body = xs_json_dumps(rsp, 4);
417 *ctype = "application/json";
418 status = HTTP_STATUS_OK;
419
420 const char *uid = xs_dict_get(app, "uid");
421
422 srv_debug(1, xs_fmt("oauth token: "
423 "successful login for %s, new token %s", uid, tokid));
424
425 xs *token = xs_dict_new();
426 token = xs_dict_append(token, "token", tokid);
427 token = xs_dict_append(token, "client_id", cid);
428 token = xs_dict_append(token, "client_secret", csec);
429 token = xs_dict_append(token, "uid", uid);
430 token = xs_dict_append(token, "code", code);
431
432 token_add(tokid, token);
433 }
434 }
435 else {
436 srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
437 status = HTTP_STATUS_BAD_REQUEST;
438 }
439 }
440 else
441 if (strcmp(cmd, "/revoke") == 0) { /** **/
442 const char *cid = xs_dict_get(args, "client_id");
443 const char *csec = xs_dict_get(args, "client_secret");
444 const char *tokid = xs_dict_get(args, "token");
445
446 if (cid && csec && tokid) {
447 xs *token = token_get(tokid);
448
449 *body = xs_str_new("{}");
450 *ctype = "application/json";
451
452 if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
453 srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
454 status = HTTP_STATUS_FORBIDDEN;
455 }
456 else {
457 token_del(tokid);
458 srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
459 status = HTTP_STATUS_OK;
460
461 /* also delete the app, as it serves no purpose from now on */
462 app_del(cid);
463 }
464 }
465 else {
466 srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
467 status = HTTP_STATUS_FORBIDDEN;
468 }
469 }
470 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
471 const char *login = xs_dict_get(args, "login");
472 const char *passwd = xs_dict_get(args, "passwd");
473 const char *host = xs_dict_get(srv_config, "host");
474 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
475
476 /* by default, generate another login form with an error */
477 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
478 "", "", "", USER_AGENT);
479 *ctype = "text/html";
480 status = HTTP_STATUS_OK;
481
482 if (login && passwd) {
483 snac user;
484
485 if (user_open(&user, login)) {
486 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
487 xs_dict_get(req, "x-forwarded-for"));
488
489 if (badlogin_check(login, addr)) {
490 /* check the login + password */
491 if (check_password(login, passwd, xs_dict_get(user.config, "passwd"))) {
492 /* success! create a new token */
493 xs *tokid = random_str();
494
495 srv_debug(1, xs_fmt("x-snac-new-token: "
496 "successful login for %s, new token %s", login, tokid));
497
498 xs *token = xs_dict_new();
499 token = xs_dict_append(token, "token", tokid);
500 token = xs_dict_append(token, "client_id", "snac-client");
501 token = xs_dict_append(token, "client_secret", "");
502 token = xs_dict_append(token, "uid", login);
503 token = xs_dict_append(token, "code", "");
504
505 token_add(tokid, token);
506
507 *ctype = "text/plain";
508 xs_free(*body);
509 *body = xs_dup(tokid);
510 }
511 else
512 badlogin_inc(login, addr);
513
514 user_free(&user);
515 }
516 }
517 }
518 }
519
520 return status;
521}
522
523
524xs_str *mastoapi_id(const xs_dict *msg)
525/* returns a somewhat Mastodon-compatible status id */
526{
527 const char *id = xs_dict_get(msg, "id");
528 xs *md5 = xs_md5_hex(id, strlen(id));
529
530 return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
531}
532
533#define MID_TO_MD5(id) (id + 10)
534
535
536static xs_val *get_count_from_actor(const xs_dict *actor, const char *field_names[], const char *collection_url_field)
537/* helper to extract count from actor dict using various field name variations or from cached collection */
538{
539 xs_val *count = NULL;
540
541 /* try direct field name variations first */
542 for (int i = 0; field_names[i] && xs_type(count) != XSTYPE_NUMBER; i++) {
543 const xs_number *val = xs_dict_get(actor, field_names[i]);
544 if (xs_type(val) == XSTYPE_NUMBER)
545 count = xs_dup(val);
546 }
547
548 /* if not found directly, try to get from cached collection object */
549 if (xs_type(count) != XSTYPE_NUMBER) {
550 const char *url = xs_dict_get(actor, collection_url_field);
551 if (!xs_is_null(url)) {
552 xs *coll = NULL;
553 if (valid_status(object_get(url, &coll))) {
554 const xs_number *total = xs_dict_get(coll, "totalItems");
555 if (xs_type(total) == XSTYPE_NUMBER)
556 count = xs_dup(total);
557 }
558 }
559 }
560
561 return count;
562}
563
564
565static const xs_list *get_collection_items(snac *snac, const char *collection_url,
566 xs_dict **out_collection, xs_dict **out_page)
567/* fetches items from an ActivityPub collection (outbox, etc) with minimal HTTP requests */
568{
569 const xs_list *items = NULL;
570 xs_dict *collection = NULL;
571
572 if (valid_status(activitypub_request(snac, collection_url, &collection))) {
573 /* check if items are directly embedded */
574 items = xs_dict_get(collection, "orderedItems");
575 if (xs_is_null(items))
576 items = xs_dict_get(collection, "items");
577
578 if (!xs_is_null(items)) {
579 /* items found in main collection - transfer ownership to keep items valid */
580 if (out_collection)
581 *out_collection = collection;
582 return items;
583 }
584
585 /* if no items, try fetching first page (only 1 extra request) */
586 const char *first_url = xs_dict_get(collection, "first");
587 if (!xs_is_null(first_url)) {
588 xs_dict *first_page = NULL;
589 if (valid_status(activitypub_request(snac, first_url, &first_page))) {
590 items = xs_dict_get(first_page, "orderedItems");
591 if (xs_is_null(items))
592 items = xs_dict_get(first_page, "items");
593
594 if (!xs_is_null(items)) {
595 /* items found in first page - transfer ownership to keep items valid */
596 if (out_page)
597 *out_page = first_page;
598 xs_free(collection);
599 return items;
600 }
601 xs_free(first_page);
602 }
603 }
604 xs_free(collection);
605 }
606
607 return NULL;
608}
609
610
611static const xs_dict *extract_post_from_item(const xs_val *item)
612/* extracts the post object from an outbox item, handling Create/Announce wrappers */
613{
614 if (xs_type(item) != XSTYPE_DICT)
615 return NULL;
616
617 const char *item_type = xs_dict_get(item, "type");
618 const xs_dict *post = item;
619
620 /* if it's an activity, try to get embedded object */
621 if (!xs_is_null(item_type) &&
622 (strcmp(item_type, "Create") == 0 || strcmp(item_type, "Announce") == 0)) {
623 const xs_val *obj = xs_dict_get(item, "object");
624
625 /* only use embedded objects, skip URL references (would need HTTP fetch) */
626 if (!xs_is_null(obj) && xs_type(obj) == XSTYPE_DICT)
627 post = obj;
628 else
629 return NULL;
630 }
631
632 return post;
633}
634
635
636static int is_valid_post_type(const char *post_type)
637/* checks if a type is a valid post type for timeline display */
638{
639 return !xs_is_null(post_type) &&
640 (strcmp(post_type, "Note") == 0 ||
641 strcmp(post_type, "Article") == 0 ||
642 strcmp(post_type, "Question") == 0 ||
643 strcmp(post_type, "Page") == 0);
644}
645
646
647xs_dict *mastoapi_account(snac *logged, const xs_dict *actor)
648/* converts an ActivityPub actor to a Mastodon account */
649{
650 const char *id = xs_dict_get(actor, "id");
651 const char *pub = xs_dict_get(actor, "published");
652 const char *proxy = NULL;
653
654 if (xs_type(id) != XSTYPE_STRING)
655 return NULL;
656
657 if (logged && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
658 proxy = logged->actor;
659
660 const char *prefu = xs_dict_get(actor, "preferredUsername");
661
662 const char *display_name = xs_dict_get(actor, "name");
663 if (xs_is_null(display_name) || *display_name == '\0')
664 display_name = prefu;
665
666 xs_dict *acct = xs_dict_new();
667 xs *acct_md5 = xs_md5_hex(id, strlen(id));
668 acct = xs_dict_append(acct, "id", acct_md5);
669 acct = xs_dict_append(acct, "username", prefu);
670 acct = xs_dict_append(acct, "display_name", display_name);
671 acct = xs_dict_append(acct, "discoverable", xs_stock(XSTYPE_TRUE));
672 acct = xs_dict_append(acct, "group", xs_stock(XSTYPE_FALSE));
673 acct = xs_dict_append(acct, "hide_collections", xs_stock(XSTYPE_FALSE));
674 acct = xs_dict_append(acct, "indexable", xs_stock(XSTYPE_TRUE));
675 acct = xs_dict_append(acct, "noindex", xs_stock(XSTYPE_FALSE));
676 acct = xs_dict_append(acct, "roles", xs_stock(XSTYPE_LIST));
677
678 {
679 /* create the acct field as user@host */
680 xs *l = xs_split(id, "/");
681 xs *fquid = xs_fmt("%s@%s", prefu, xs_list_get(l, 2));
682 acct = xs_dict_append(acct, "acct", fquid);
683 }
684
685 if (pub)
686 acct = xs_dict_append(acct, "created_at", pub);
687 else {
688 /* unset created_at crashes Tusky, so lie like a mf */
689 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
690 acct = xs_dict_append(acct, "created_at", date);
691 }
692
693 xs *last_status_at = xs_str_utctime(0, "%Y-%m-%d");
694 acct = xs_dict_append(acct, "last_status_at", last_status_at);
695
696 const char *note = xs_dict_get(actor, "summary");
697 if (xs_is_null(note))
698 note = "";
699
700 if (strcmp(xs_dict_get(actor, "type"), "Service") == 0)
701 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_TRUE));
702 else
703 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_FALSE));
704
705 acct = xs_dict_append(acct, "note", note);
706
707 acct = xs_dict_append(acct, "url", id);
708 acct = xs_dict_append(acct, "uri", id);
709
710 xs *avatar = NULL;
711 const xs_dict *av = xs_dict_get(actor, "icon");
712
713 if (xs_type(av) == XSTYPE_DICT) {
714 const char *url = xs_dict_get(av, "url");
715
716 if (url != NULL)
717 avatar = make_url(url, proxy, 1);
718 }
719
720 if (avatar == NULL)
721 avatar = xs_fmt("%s/susie.png", srv_baseurl);
722
723 acct = xs_dict_append(acct, "avatar", avatar);
724 acct = xs_dict_append(acct, "avatar_static", avatar);
725
726 xs *header = NULL;
727 const xs_dict *hd = xs_dict_get(actor, "image");
728
729 if (xs_type(hd) == XSTYPE_DICT)
730 header = make_url(xs_dict_get(hd, "url"), proxy, 1);
731
732 if (xs_is_null(header))
733 header = xs_str_new(NULL);
734
735 acct = xs_dict_append(acct, "header", header);
736 acct = xs_dict_append(acct, "header_static", header);
737
738 /* emojis */
739 const xs_list *p;
740 if (!xs_is_null(p = xs_dict_get(actor, "tag"))) {
741 xs *eml = xs_list_new();
742 const xs_dict *v;
743 int c = 0;
744
745 while (xs_list_next(p, &v, &c)) {
746 const char *type = xs_dict_get(v, "type");
747
748 if (!xs_is_null(type) && strcmp(type, "Emoji") == 0) {
749 const char *name = xs_dict_get(v, "name");
750 const xs_dict *icon = xs_dict_get(v, "icon");
751
752 if (!xs_is_null(name) && !xs_is_null(icon)) {
753 const char *o_url = xs_dict_get(icon, "url");
754
755 if (!xs_is_null(o_url)) {
756 xs *url = make_url(o_url, proxy, 1);
757 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
758 xs *d1 = xs_dict_new();
759
760 d1 = xs_dict_append(d1, "shortcode", nm);
761 d1 = xs_dict_append(d1, "url", url);
762 d1 = xs_dict_append(d1, "static_url", url);
763 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
764
765 eml = xs_list_append(eml, d1);
766 }
767 }
768 }
769 }
770
771 acct = xs_dict_append(acct, "emojis", eml);
772 }
773
774 acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
775
776 /* try to get counts from actor object if available (some servers include these) */
777 const char *fcount_fields[] = { "followersCount", "followers_count", NULL };
778 const char *gcount_fields[] = { "followingCount", "following_count", NULL };
779 const char *scount_fields[] = { "statusesCount", "statuses_count", "totalItems", NULL };
780
781 xs *followers_count = get_count_from_actor(actor, fcount_fields, "followers");
782 xs *following_count = get_count_from_actor(actor, gcount_fields, "following");
783 xs *statuses_count = get_count_from_actor(actor, scount_fields, "outbox");
784
785 acct = xs_dict_append(acct, "followers_count",
786 xs_type(followers_count) == XSTYPE_NUMBER ? followers_count : xs_stock(0));
787 acct = xs_dict_append(acct, "following_count",
788 xs_type(following_count) == XSTYPE_NUMBER ? following_count : xs_stock(0));
789 acct = xs_dict_append(acct, "statuses_count",
790 xs_type(statuses_count) == XSTYPE_NUMBER ? statuses_count : xs_stock(0));
791
792 xs *fields = xs_list_new();
793 p = xs_dict_get(actor, "attachment");
794 const xs_dict *v;
795
796 /* dict of validated links */
797 xs_dict *val_links = NULL;
798 const xs_dict *metadata = xs_stock(XSTYPE_DICT);
799 snac user = {0};
800
801 if (xs_startswith(id, srv_baseurl)) {
802 /* if it's a local user, open it and pick its validated links */
803 if (user_open(&user, prefu)) {
804 val_links = user.links;
805 metadata = xs_dict_get_def(user.config, "metadata", xs_stock(XSTYPE_DICT));
806
807 /* does this user want to publish their contact metrics? */
808 if (xs_is_true(xs_dict_get(user.config, "show_contact_metrics"))) {
809 int fwing = following_list_len(&user);
810 int fwers = follower_list_len(&user);
811 xs *ni = xs_number_new(fwing);
812 xs *ne = xs_number_new(fwers);
813
814 acct = xs_dict_append(acct, "followers_count", ne);
815 acct = xs_dict_append(acct, "following_count", ni);
816 }
817 }
818 }
819
820 if (xs_is_null(val_links))
821 val_links = xs_stock(XSTYPE_DICT);
822
823 int c = 0;
824 while (xs_list_next(p, &v, &c)) {
825 const char *type = xs_dict_get(v, "type");
826 const char *name = xs_dict_get(v, "name");
827 const char *value = xs_dict_get(v, "value");
828
829 if (!xs_is_null(type) && !xs_is_null(name) &&
830 !xs_is_null(value) && strcmp(type, "PropertyValue") == 0) {
831 xs *val_date = NULL;
832
833 const char *url = xs_dict_get(metadata, name);
834
835 if (!xs_is_null(url) && xs_startswith(url, "https:/" "/")) {
836 const xs_number *verified_time = xs_dict_get(val_links, url);
837 if (xs_type(verified_time) == XSTYPE_NUMBER) {
838 time_t t = xs_number_get(verified_time);
839
840 if (t > 0)
841 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
842 }
843 }
844
845 xs *d = xs_dict_new();
846
847 d = xs_dict_append(d, "name", name);
848 d = xs_dict_append(d, "value", value);
849 d = xs_dict_append(d, "verified_at",
850 xs_type(val_date) == XSTYPE_STRING && *val_date ?
851 val_date : xs_stock(XSTYPE_NULL));
852
853 fields = xs_list_append(fields, d);
854 }
855 }
856
857 user_free(&user);
858
859 acct = xs_dict_append(acct, "fields", fields);
860
861 return acct;
862}
863
864
865xs_str *mastoapi_date(const char *date)
866/* converts an ISO 8601 date to whatever format Mastodon uses */
867{
868 xs_str *s = xs_crop_i(xs_dup(date), 0, 19);
869 s = xs_str_cat(s, ".000Z");
870
871 return s;
872}
873
874
875xs_dict *mastoapi_poll(snac *snac, const xs_dict *msg)
876/* creates a mastoapi Poll object */
877{
878 xs_dict *poll = xs_dict_new();
879 xs *mid = mastoapi_id(msg);
880 const xs_list *opts = NULL;
881 const xs_val *v;
882 int num_votes = 0;
883 xs *options = xs_list_new();
884
885 poll = xs_dict_append(poll, "id", mid);
886 const char *date = xs_dict_get(msg, "endTime");
887 if (date == NULL)
888 date = xs_dict_get(msg, "closed");
889 if (date == NULL)
890 return NULL;
891
892 xs *fd = mastoapi_date(date);
893 poll = xs_dict_append(poll, "expires_at", fd);
894
895 date = xs_dict_get(msg, "closed");
896 time_t t = 0;
897
898 if (date != NULL)
899 t = xs_parse_iso_date(date, 0);
900
901 poll = xs_dict_append(poll, "expired",
902 t < time(NULL) ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
903
904 if ((opts = xs_dict_get(msg, "oneOf")) != NULL)
905 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_FALSE));
906 else {
907 opts = xs_dict_get(msg, "anyOf");
908 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_TRUE));
909 }
910
911 int c = 0;
912 while (xs_list_next(opts, &v, &c)) {
913 const char *title = xs_dict_get(v, "name");
914 const char *replies = xs_dict_get(v, "replies");
915
916 if (title && replies) {
917 const char *votes_count = xs_dict_get(replies, "totalItems");
918
919 if (xs_type(votes_count) == XSTYPE_NUMBER) {
920 xs *d = xs_dict_new();
921 d = xs_dict_append(d, "title", title);
922 d = xs_dict_append(d, "votes_count", votes_count);
923
924 options = xs_list_append(options, d);
925 num_votes += xs_number_get(votes_count);
926 }
927 }
928 }
929
930 poll = xs_dict_append(poll, "options", options);
931 xs *vc = xs_number_new(num_votes);
932 poll = xs_dict_append(poll, "votes_count", vc);
933
934 poll = xs_dict_append(poll, "emojis", xs_stock(XSTYPE_LIST));
935
936 poll = xs_dict_append(poll, "voted",
937 (snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ?
938 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
939
940 return poll;
941}
942
943
944xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
945/* converts an ActivityPub note to a Mastodon status */
946{
947 xs *actor = NULL;
948 actor_get_refresh(snac, get_atto(msg), &actor);
949 const char *proxy = NULL;
950
951 /* if the author is not here, discard */
952 if (actor == NULL)
953 return NULL;
954
955 if (snac && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
956 proxy = snac->actor;
957
958 const char *type = xs_dict_get(msg, "type");
959 const char *id = xs_dict_get(msg, "id");
960
961 /* fail if it's not a valid actor */
962 if (xs_is_null(type) || xs_is_null(id))
963 return NULL;
964
965 xs *acct = mastoapi_account(snac, actor);
966 if (acct == NULL)
967 return NULL;
968
969 xs *idx = NULL;
970 xs *ixc = NULL;
971 const char *tmp;
972 xs *mid = mastoapi_id(msg);
973
974 xs_dict *st = xs_dict_new();
975
976 st = xs_dict_append(st, "id", mid);
977 st = xs_dict_append(st, "uri", id);
978 st = xs_dict_append(st, "url", id);
979 st = xs_dict_append(st, "account", acct);
980
981 const char *published = xs_dict_get(msg, "published");
982 xs *fd = NULL;
983
984 if (published)
985 fd = mastoapi_date(published);
986 else {
987 xs *p = xs_str_iso_date(0);
988 fd = mastoapi_date(p);
989 }
990
991 st = xs_dict_append(st, "created_at", fd);
992
993 {
994 const char *content = xs_dict_get(msg, "content");
995 const char *name = xs_dict_get(msg, "name");
996 xs *s1 = NULL;
997
998 if (name && content)
999 s1 = xs_fmt("%s<br><br>%s", name, content);
1000 else
1001 if (name)
1002 s1 = xs_dup(name);
1003 else
1004 if (content)
1005 s1 = xs_dup(content);
1006 else
1007 s1 = xs_str_new(NULL);
1008
1009 st = xs_dict_append(st, "content", s1);
1010 }
1011
1012 /* determine visibility: https://docs.joinmastodon.org/entities/Status/#visibility */
1013 const int scope = get_msg_visibility(msg);
1014 if (scope == SCOPE_PUBLIC)
1015 st = xs_dict_append(st, "visibility", "public");
1016 else if (scope == SCOPE_FOLLOWERS)
1017 st = xs_dict_append(st, "visibility", "private");
1018 else if (scope == SCOPE_MENTIONED)
1019 st = xs_dict_append(st, "visibility", "direct");
1020 else if (scope == SCOPE_UNLISTED)
1021 st = xs_dict_append(st, "visibility", "unlisted");
1022
1023 tmp = xs_dict_get(msg, "sensitive");
1024 if (xs_is_null(tmp))
1025 tmp = xs_stock(XSTYPE_FALSE);
1026
1027 st = xs_dict_append(st, "sensitive", tmp);
1028
1029 tmp = xs_dict_get(msg, "summary");
1030 if (xs_is_null(tmp))
1031 tmp = "";
1032
1033 st = xs_dict_append(st, "spoiler_text", tmp);
1034
1035 /* create the list of attachments */
1036 xs *attach = get_attachments(msg);
1037
1038 {
1039 xs_list *p = attach;
1040 const xs_dict *v;
1041
1042 xs *matt = xs_list_new();
1043
1044 while (xs_list_iter(&p, &v)) {
1045 const char *type = xs_dict_get(v, "type");
1046 const char *o_href = xs_dict_get(v, "href");
1047 const char *name = xs_dict_get(v, "name");
1048
1049 if (xs_match(type, "image/*|video/*|audio/*|Image|Video")) { /* */
1050 xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
1051 xs *href = make_url(o_href, proxy, 1);
1052
1053 xs *d = xs_dict_new();
1054
1055 d = xs_dict_append(d, "id", matteid);
1056 d = xs_dict_append(d, "url", href);
1057 d = xs_dict_append(d, "preview_url", href);
1058 d = xs_dict_append(d, "remote_url", href);
1059 d = xs_dict_append(d, "description", name);
1060
1061 d = xs_dict_append(d, "type", (*type == 'v' || *type == 'V') ? "video" :
1062 (*type == 'a' || *type == 'A') ? "audio" : "image");
1063
1064 matt = xs_list_append(matt, d);
1065 }
1066 }
1067
1068 st = xs_dict_append(st, "media_attachments", matt);
1069 }
1070
1071 {
1072 xs *ml = xs_list_new();
1073 xs *htl = xs_list_new();
1074 xs *eml = xs_list_new();
1075 const xs_list *tag = xs_dict_get(msg, "tag");
1076 int n = 0;
1077
1078 xs *tag_list = NULL;
1079
1080 if (xs_type(tag) == XSTYPE_DICT) {
1081 tag_list = xs_list_new();
1082 tag_list = xs_list_append(tag_list, tag);
1083 }
1084 else
1085 if (xs_type(tag) == XSTYPE_LIST)
1086 tag_list = xs_dup(tag);
1087 else
1088 tag_list = xs_list_new();
1089
1090 tag = tag_list;
1091 const xs_dict *v;
1092
1093 int c = 0;
1094 while (xs_list_next(tag, &v, &c)) {
1095 const char *type = xs_dict_get(v, "type");
1096
1097 if (xs_is_null(type))
1098 continue;
1099
1100 xs *d1 = xs_dict_new();
1101
1102 if (strcmp(type, "Mention") == 0) {
1103 const char *name = xs_dict_get(v, "name");
1104 const char *href = xs_dict_get(v, "href");
1105
1106 if (!xs_is_null(name) && !xs_is_null(href) &&
1107 (snac == NULL || strcmp(href, snac->actor) != 0)) {
1108 xs *nm = xs_strip_chars_i(xs_dup(name), "@");
1109
1110 xs *id = xs_fmt("%d", n++);
1111 d1 = xs_dict_append(d1, "id", id);
1112 d1 = xs_dict_append(d1, "username", nm);
1113 d1 = xs_dict_append(d1, "acct", nm);
1114 d1 = xs_dict_append(d1, "url", href);
1115
1116 ml = xs_list_append(ml, d1);
1117 }
1118 }
1119 else
1120 if (strcmp(type, "Hashtag") == 0) {
1121 const char *name = xs_dict_get(v, "name");
1122 const char *href = xs_dict_get(v, "href");
1123
1124 if (!xs_is_null(name) && !xs_is_null(href)) {
1125 xs *nm = xs_strip_chars_i(xs_dup(name), "#");
1126
1127 d1 = xs_dict_append(d1, "name", nm);
1128 d1 = xs_dict_append(d1, "url", href);
1129
1130 htl = xs_list_append(htl, d1);
1131 }
1132 }
1133 else
1134 if (strcmp(type, "Emoji") == 0) {
1135 const char *name = xs_dict_get(v, "name");
1136 const xs_dict *icon = xs_dict_get(v, "icon");
1137
1138 if (!xs_is_null(name) && !xs_is_null(icon)) {
1139 const char *o_url = xs_dict_get(icon, "url");
1140
1141 if (!xs_is_null(o_url)) {
1142 xs *url = make_url(o_url, snac ? snac->actor : NULL, 1);
1143 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
1144
1145 d1 = xs_dict_append(d1, "shortcode", nm);
1146 d1 = xs_dict_append(d1, "url", url);
1147 d1 = xs_dict_append(d1, "static_url", url);
1148 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1149 d1 = xs_dict_append(d1, "category", "Emojis");
1150
1151 eml = xs_list_append(eml, d1);
1152 }
1153 }
1154 }
1155 }
1156
1157 st = xs_dict_append(st, "mentions", ml);
1158 st = xs_dict_append(st, "tags", htl);
1159 st = xs_dict_append(st, "emojis", eml);
1160 }
1161 {
1162 xs *rl = object_get_emoji_reacts(id);
1163 xs *frl = xs_list_new(); /* final */
1164 xs *sfrl = xs_dict_new(); /* seen */
1165 int c = 0;
1166 const char *v;
1167
1168 while (xs_list_next(rl, &v, &c)) {
1169 xs *msg = NULL;
1170 if (valid_status(object_get_by_md5(v, &msg))) {
1171 const char *content = xs_dict_get(msg, "content");
1172 const char *actor = xs_dict_get(msg, "actor");
1173 const xs_list *contentl = xs_dict_get(sfrl, content);
1174
1175 if ((snac && is_muted(snac, actor)) || is_instance_blocked(actor))
1176 continue;
1177
1178 /* NOTE: idk when there are no actor, but i encountered that bug.
1179 * Probably because of one of my previous attempts.
1180 * Keeping this just in case, can remove later */
1181 const char *me = actor && snac && strcmp(actor, snac->actor) == 0 ?
1182 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE);
1183 int count = 1;
1184
1185 if (contentl) {
1186 count = atoi(xs_list_get(contentl, 0)) + 1;
1187 if (strncmp(xs_list_get(contentl, 1), xs_stock(XSTYPE_TRUE), 1) == 0)
1188 me = xs_stock(XSTYPE_TRUE);
1189 }
1190
1191 xs *fl = xs_list_new();
1192 xs *c1 = xs_fmt("%d", count);
1193 fl = xs_list_append(fl, c1, me);
1194 sfrl = xs_dict_append(sfrl, content, fl);
1195 }
1196 }
1197
1198 c = 0;
1199
1200 while (xs_list_next(rl, &v, &c)) {
1201 xs *msg = NULL;
1202 if (valid_status(object_get_by_md5(v, &msg))) {
1203 xs *d1 = xs_dict_new();
1204
1205 const xs_dict *icon = xs_dict_get(xs_list_get(xs_dict_get(msg, "tag"), 0), "icon");
1206 const char *o_url = xs_dict_get(icon, "url");
1207 const char *name = xs_dict_get(msg, "content");
1208 const char *actor = xs_dict_get(msg, "actor");
1209
1210 xs *nm = xs_dup(name);
1211 xs *url = NULL;
1212
1213 if (!xs_is_null(o_url)) {
1214 if (actor && snac && !strcmp(actor, snac->actor))
1215 url = make_url(o_url, NULL, 1);
1216 else
1217 url = xs_dup(o_url);
1218 }
1219
1220 xs *accounts = xs_list_new();
1221 if (actor) {
1222 xs *d2 = xs_dict_new();
1223 object_get(actor, &d2);
1224 xs *e_acct = mastoapi_account(snac, d2);
1225 accounts = xs_list_append(accounts, e_acct);
1226 }
1227
1228 const xs_list *item = xs_dict_get(sfrl, nm);
1229 const xs_str *nb = xs_list_get(item, 0);
1230 const xs_val *me = xs_list_get(item, 1);
1231 if (item == NULL)
1232 continue;
1233
1234 if (nm && strcmp(nm, "")) {
1235 if (url && strcmp(url, "")) {
1236 d1 = xs_dict_append(d1, "name", nm);
1237 d1 = xs_dict_append(d1, "shortcode", nm);
1238 d1 = xs_dict_append(d1, "accounts", accounts);
1239 d1 = xs_dict_append(d1, "me", me);
1240 d1 = xs_dict_append(d1, "url", url);
1241 d1 = xs_dict_append(d1, "static_url", url);
1242 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1243 d1 = xs_dict_append(d1, "count", nb);
1244 } else {
1245 d1 = xs_dict_append(d1, "name", nm);
1246 d1 = xs_dict_append(d1, "count", nb);
1247 d1 = xs_dict_append(d1, "me", me);
1248 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1249 }
1250 sfrl = xs_dict_del(sfrl, nm);
1251 frl = xs_list_append(frl, d1);
1252 }
1253 }
1254 }
1255
1256 st = xs_dict_append(st, "reactions", frl);
1257 }
1258
1259 xs_free(idx);
1260 xs_free(ixc);
1261 idx = object_likes(id);
1262 ixc = xs_number_new(xs_list_len(idx));
1263
1264 st = xs_dict_append(st, "favourites_count", ixc);
1265 st = xs_dict_append(st, "favourited",
1266 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1267
1268 xs_free(idx);
1269 xs_free(ixc);
1270 idx = object_announces(id);
1271 ixc = xs_number_new(xs_list_len(idx));
1272
1273 st = xs_dict_append(st, "reblogs_count", ixc);
1274 st = xs_dict_append(st, "reblogged",
1275 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1276
1277 /* get the last person who boosted this */
1278 xs *boosted_by_md5 = NULL;
1279 if (xs_list_len(idx))
1280 boosted_by_md5 = xs_dup(xs_list_get(idx, -1));
1281
1282 xs_free(idx);
1283 xs_free(ixc);
1284 idx = object_children(id);
1285 ixc = xs_number_new(xs_list_len(idx));
1286
1287 st = xs_dict_append(st, "replies_count", ixc);
1288
1289 /* default in_reply_to values */
1290 st = xs_dict_append(st, "in_reply_to_id", xs_stock(XSTYPE_NULL));
1291 st = xs_dict_append(st, "in_reply_to_account_id", xs_stock(XSTYPE_NULL));
1292
1293 tmp = get_in_reply_to(msg);
1294 if (!xs_is_null(tmp)) {
1295 xs *irto = NULL;
1296
1297 if (valid_status(object_get(tmp, &irto))) {
1298 xs *irt_mid = mastoapi_id(irto);
1299 st = xs_dict_set(st, "in_reply_to_id", irt_mid);
1300
1301 const char *at = NULL;
1302 if (!xs_is_null(at = get_atto(irto))) {
1303 xs *at_md5 = xs_md5_hex(at, strlen(at));
1304 st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
1305 }
1306 }
1307 }
1308
1309 st = xs_dict_append(st, "reblog", xs_stock(XSTYPE_NULL));
1310 st = xs_dict_append(st, "card", xs_stock(XSTYPE_NULL));
1311 st = xs_dict_append(st, "language", "en");
1312
1313 st = xs_dict_append(st, "filtered", xs_stock(XSTYPE_LIST));
1314 st = xs_dict_append(st, "muted", xs_stock(XSTYPE_FALSE));
1315
1316 tmp = xs_dict_get(msg, "sourceContent");
1317 if (xs_is_null(tmp))
1318 tmp = "";
1319
1320 st = xs_dict_append(st, "text", tmp);
1321
1322 tmp = xs_dict_get(msg, "updated");
1323 xs *fd2 = NULL;
1324 if (xs_is_null(tmp))
1325 tmp = xs_stock(XSTYPE_NULL);
1326 else {
1327 fd2 = mastoapi_date(tmp);
1328 tmp = fd2;
1329 }
1330
1331 st = xs_dict_append(st, "edited_at", tmp);
1332
1333 if (strcmp(type, "Question") == 0) {
1334 xs *poll = mastoapi_poll(snac, msg);
1335 st = xs_dict_append(st, "poll", poll);
1336 }
1337 else
1338 st = xs_dict_append(st, "poll", xs_stock(XSTYPE_NULL));
1339
1340 st = xs_dict_append(st, "bookmarked",
1341 (snac && is_bookmarked(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1342
1343 st = xs_dict_append(st, "pinned",
1344 (snac && is_pinned(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1345
1346 /* is it a boost? */
1347 if (!xs_is_null(boosted_by_md5)) {
1348 /* create a new dummy status, using st as the 'reblog' field */
1349 xs_dict *bst = xs_dup(st);
1350 xs *b_actor = NULL;
1351
1352 if (valid_status(object_get_by_md5(boosted_by_md5, &b_actor))) {
1353 xs *b_acct = mastoapi_account(snac, b_actor);
1354 xs *fake_uri = NULL;
1355
1356 if (snac)
1357 fake_uri = xs_fmt("%s/d/%s/Announce", snac->actor, mid);
1358 else
1359 fake_uri = xs_fmt("%s#%s", srv_baseurl, mid);
1360
1361 bst = xs_dict_set(bst, "uri", fake_uri);
1362 bst = xs_dict_set(bst, "url", fake_uri);
1363 bst = xs_dict_set(bst, "account", b_acct);
1364 bst = xs_dict_set(bst, "content", "");
1365 bst = xs_dict_set(bst, "reblog", st);
1366
1367 xs *b_id = xs_toupper_i(xs_dup(xs_dict_get(st, "id")));
1368 bst = xs_dict_set(bst, "id", b_id);
1369
1370 xs_free(st);
1371 st = bst;
1372 }
1373 else
1374 xs_free(bst);
1375 }
1376
1377 return st;
1378}
1379
1380
1381xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1382{
1383 xs_dict *rel = NULL;
1384 xs *actor_o = NULL;
1385
1386 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1387 rel = xs_dict_new();
1388
1389 const char *actor = xs_dict_get(actor_o, "id");
1390
1391 rel = xs_dict_append(rel, "id", md5);
1392 rel = xs_dict_append(rel, "following",
1393 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1394
1395 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1396 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1397 rel = xs_dict_append(rel, "followed_by",
1398 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1399
1400 rel = xs_dict_append(rel, "blocking",
1401 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1402
1403 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1404 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1405 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1406 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1407 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1408 rel = xs_dict_append(rel, "note", "");
1409 }
1410
1411 return rel;
1412}
1413
1414
1415int process_auth_token(snac *snac, const xs_dict *req)
1416/* processes an authorization token, if there is one */
1417{
1418 int logged_in = 0;
1419 const char *v;
1420
1421 /* if there is an authorization field, try to validate it */
1422 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1423 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1424 xs *token = token_get(tokid);
1425
1426 if (token != NULL) {
1427 const char *uid = xs_dict_get(token, "uid");
1428
1429 if (!xs_is_null(uid) && user_open(snac, uid)) {
1430 logged_in = 1;
1431
1432 /* this counts as a 'login' */
1433 lastlog_write(snac, "mastoapi");
1434
1435 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1436 }
1437 else
1438 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1439 }
1440 else
1441 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1442 }
1443
1444 return logged_in;
1445}
1446
1447
1448void credentials_get(char **body, char **ctype, int *status, snac snac)
1449{
1450 xs *acct = xs_dict_new();
1451
1452 const xs_val *bot = xs_dict_get(snac.config, "bot");
1453
1454 acct = xs_dict_append(acct, "id", snac.md5);
1455 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1456 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1457 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1458 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1459 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1460 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1461 acct = xs_dict_append(acct, "url", snac.actor);
1462 acct = xs_dict_append(acct, "uri", snac.actor);
1463
1464 acct = xs_dict_append(acct, "locked",
1465 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1466
1467 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1468 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1469
1470 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1471 "\"follow_requests_count\": 0,"
1472 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1473 /* some apps take the note from the source object */
1474 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1475 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1476
1477 const xs_str *cw = xs_dict_get(snac.config, "cw");
1478 src = xs_dict_set(src, "sensitive",
1479 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1480
1481 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1482
1483 xs *avatar = NULL;
1484 const char *av = xs_dict_get(snac.config, "avatar");
1485
1486 if (xs_is_null(av) || *av == '\0')
1487 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1488 else
1489 avatar = xs_dup(av);
1490
1491 acct = xs_dict_append(acct, "avatar", avatar);
1492 acct = xs_dict_append(acct, "avatar_static", avatar);
1493
1494 xs *header = NULL;
1495 const char *hd = xs_dict_get(snac.config, "header");
1496
1497 if (!xs_is_null(hd))
1498 header = xs_dup(hd);
1499 else
1500 header = xs_str_new(NULL);
1501
1502 acct = xs_dict_append(acct, "header", header);
1503 acct = xs_dict_append(acct, "header_static", header);
1504
1505 xs *metadata = NULL;
1506 const xs_dict *md = xs_dict_get(snac.config, "metadata");
1507
1508 if (xs_is_dict(md))
1509 metadata = xs_dup(md);
1510 else
1511 if (xs_is_string(md)) {
1512 metadata = xs_dict_new();
1513 xs *l = xs_split(md, "\n");
1514 const char *ll;
1515
1516 xs_list_foreach(l, ll) {
1517 xs *kv = xs_split_n(ll, "=", 1);
1518 const char *k = xs_list_get(kv, 0);
1519 const char *v = xs_list_get(kv, 1);
1520
1521 if (k && v) {
1522 xs *kk = xs_strip_i(xs_dup(k));
1523 xs *vv = xs_strip_i(xs_dup(v));
1524 metadata = xs_dict_set(metadata, kk, vv);
1525 }
1526 }
1527 }
1528
1529 if (xs_is_dict(metadata)) {
1530 xs *fields = xs_list_new();
1531 const xs_str *k;
1532 const xs_str *v;
1533
1534 xs_dict *val_links = snac.links;
1535 if (xs_is_null(val_links))
1536 val_links = xs_stock(XSTYPE_DICT);
1537
1538 int c = 0;
1539 while (xs_dict_next(metadata, &k, &v, &c)) {
1540 xs *val_date = NULL;
1541
1542 const xs_number *verified_time = xs_dict_get(val_links, v);
1543 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1544 time_t t = xs_number_get(verified_time);
1545
1546 if (t > 0)
1547 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1548 }
1549
1550 xs *d = xs_dict_new();
1551
1552 d = xs_dict_append(d, "name", k);
1553 d = xs_dict_append(d, "value", v);
1554 d = xs_dict_append(d, "verified_at",
1555 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1556
1557 fields = xs_list_append(fields, d);
1558 }
1559
1560 acct = xs_dict_set(acct, "fields", fields);
1561 /* some apps take the fields from the source object */
1562 src = xs_dict_set(src, "fields", fields);
1563 }
1564
1565 acct = xs_dict_append(acct, "source", src);
1566 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1567 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1568 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1569
1570 /* does this user want to publish their contact metrics? */
1571 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1572 int fwing = following_list_len(&snac);
1573 int fwers = follower_list_len(&snac);
1574 xs *ni = xs_number_new(fwing);
1575 xs *ne = xs_number_new(fwers);
1576
1577 acct = xs_dict_append(acct, "followers_count", ne);
1578 acct = xs_dict_append(acct, "following_count", ni);
1579 }
1580
1581 *body = xs_json_dumps(acct, 4);
1582 *ctype = "application/json";
1583 *status = HTTP_STATUS_OK;
1584}
1585
1586
1587xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1588{
1589 xs_list *out = xs_list_new();
1590 FILE *f;
1591 char md5[MD5_HEX_SIZE];
1592
1593 if (dbglevel) {
1594 xs *js = xs_json_dumps(args, 0);
1595 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1596 }
1597
1598 if ((f = fopen(index_fn, "r")) == NULL)
1599 return out;
1600
1601 const char *o_max_id = xs_dict_get(args, "max_id");
1602 const char *o_since_id = xs_dict_get(args, "since_id");
1603 const char *o_min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1604 const char *limit_s = xs_dict_get(args, "limit");
1605 int (*iterator)(FILE *, char *);
1606 int initial_status = 0;
1607 int ascending = 0;
1608 int limit = 0;
1609 int cnt = 0;
1610
1611 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1612 xs *since_id = o_since_id ? xs_tolower_i(xs_dup(o_since_id)) : NULL;
1613 xs *min_id = o_min_id ? xs_tolower_i(xs_dup(o_min_id)) : NULL;
1614
1615 if (!xs_is_null(limit_s))
1616 limit = atoi(limit_s);
1617
1618 if (limit == 0)
1619 limit = 20;
1620
1621 if (min_id) {
1622 iterator = &index_asc_next;
1623 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1624 ascending = 1;
1625 }
1626 else {
1627 iterator = &index_desc_next;
1628 initial_status = index_desc_first(f, md5, 0);
1629 }
1630
1631 xs_set entries;
1632 xs_set_init(&entries);
1633
1634 if (initial_status) {
1635 do {
1636 xs *msg = NULL;
1637
1638 /* only return entries older that max_id */
1639 if (max_id) {
1640 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1641 max_id = xs_free(max_id);
1642 if (ascending)
1643 break;
1644 }
1645 if (!ascending)
1646 continue;
1647 }
1648
1649 /* only returns entries newer than since_id */
1650 if (since_id) {
1651 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1652 if (!ascending)
1653 break;
1654 since_id = xs_free(since_id);
1655 }
1656 if (ascending)
1657 continue;
1658 }
1659
1660 /* get the entry */
1661 if (user) {
1662 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1663 continue;
1664 }
1665 else {
1666 if (!valid_status(object_get_by_md5(md5, &msg)))
1667 continue;
1668 }
1669
1670 /* discard non-Notes */
1671 const char *id = xs_dict_get(msg, "id");
1672 const char *type = xs_dict_get(msg, "type");
1673 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1674 continue;
1675
1676 if (id && is_instance_blocked(id))
1677 continue;
1678
1679 const char *from = NULL;
1680 if (strcmp(type, "Page") == 0)
1681 from = xs_dict_get(msg, "audience");
1682
1683 if (from == NULL)
1684 from = get_atto(msg);
1685
1686 if (from == NULL)
1687 continue;
1688
1689 if (user) {
1690 /* is this message from a person we don't follow? */
1691 if (strcmp(from, user->actor) && !following_check(user, from)) {
1692 /* discard if it was not boosted */
1693 xs *idx = object_announces(id);
1694
1695 if (xs_list_len(idx) == 0)
1696 continue;
1697 }
1698
1699 /* discard notes from muted morons */
1700 if (is_muted(user, from))
1701 continue;
1702
1703 /* discard hidden notes */
1704 if (is_hidden(user, id))
1705 continue;
1706 }
1707 else {
1708 /* skip non-public messages */
1709 if (!is_msg_public(msg))
1710 continue;
1711
1712 /* discard messages from private users */
1713 if (is_msg_from_private_user(msg))
1714 continue;
1715 }
1716
1717 /* if it has a name and it's not an object that may have one,
1718 it's a poll vote, so discard it */
1719 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1720 continue;
1721
1722 /* convert the Note into a Mastodon status */
1723 xs *st = mastoapi_status(user, msg);
1724
1725 if (st != NULL && xs_set_add(&entries, md5) == 1) {
1726 if (ascending)
1727 out = xs_list_insert(out, 0, st);
1728 else
1729 out = xs_list_append(out, st);
1730 cnt++;
1731 }
1732
1733 } while ((cnt < limit) && (*iterator)(f, md5));
1734 }
1735
1736 xs_set_free(&entries);
1737
1738 int more = index_desc_next(f, md5);
1739
1740 fclose(f);
1741
1742 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1743
1744 return out;
1745}
1746
1747
1748xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1749/* returns a Link header with paging information */
1750{
1751 xs_str *s = NULL;
1752
1753 if (xs_list_len(timeline) == 0)
1754 return NULL;
1755
1756 const xs_dict *first_st = xs_list_get(timeline, 0);
1757 const xs_dict *last_st = xs_list_get(timeline, -1);
1758 const char *first_id = xs_dict_get(first_st, "id");
1759 const char *last_id = xs_dict_get(last_st, "id");
1760 const char *host = xs_dict_get(srv_config, "host");
1761 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1762
1763 s = xs_fmt(
1764 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1765 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1766 protocol, host, endpoint, last_id,
1767 protocol, host, endpoint, first_id);
1768
1769 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1770
1771 return s;
1772}
1773
1774
1775xs_list *mastoapi_account_lists(snac *user, const char *uid)
1776/* returns the list of list an user is in */
1777{
1778 xs_list *out = xs_list_new();
1779 xs *actor_md5 = NULL;
1780 xs *lol = list_maint(user, NULL, 0);
1781
1782 if (uid) {
1783 if (!xs_is_hex(uid))
1784 actor_md5 = xs_md5_hex(uid, strlen(uid));
1785 else
1786 actor_md5 = xs_dup(uid);
1787 }
1788
1789 const xs_list *li;
1790 xs_list_foreach(lol, li) {
1791 const char *list_id = xs_list_get(li, 0);
1792 const char *list_title = xs_list_get(li, 1);
1793 if (uid) {
1794 xs *users = list_members(user, list_id, NULL, 0);
1795 if (xs_list_in(users, actor_md5) == -1)
1796 continue;
1797 }
1798
1799 xs *d = xs_dict_new();
1800
1801 d = xs_dict_append(d, "id", list_id);
1802 d = xs_dict_append(d, "title", list_title);
1803 d = xs_dict_append(d, "replies_policy", "list");
1804 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1805
1806 out = xs_list_append(out, d);
1807 }
1808
1809 return out;
1810}
1811
1812
1813xs_list *build_childrens(const xs_dict *msg, snac *snac1) {
1814 xs_list *ret = xs_list_new();
1815 xs *children = object_children(xs_dict_get(msg, "id"));
1816 char *p = children;
1817 const xs_str *v;
1818
1819 while (xs_list_iter(&p, &v)) {
1820 xs *m2 = NULL;
1821
1822 if (valid_status(timeline_get_by_md5(snac1, v, &m2))) {
1823 if (xs_is_null(xs_dict_get(m2, "name"))) {
1824 xs *st = mastoapi_status(snac1, m2);
1825
1826 if (st) {
1827 /* childrens children */
1828 xs *childs = build_childrens(m2, snac1);
1829 ret = xs_list_append(ret, st);
1830 if (xs_list_len(childs)) {
1831 char *p2 = childs;
1832 while (xs_list_iter(&p2, &v))
1833 ret = xs_list_append(ret, v);
1834
1835 }
1836 }
1837 }
1838 }
1839 }
1840 return ret;
1841}
1842
1843
1844int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1845 char **body, int *b_size, char **ctype, xs_str **link)
1846{
1847 (void)b_size;
1848
1849 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1850 return 0;
1851
1852 int status = HTTP_STATUS_NOT_FOUND;
1853 const xs_dict *args = xs_dict_get(req, "q_vars");
1854 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1855
1856 snac snac1 = {0};
1857 int logged_in = process_auth_token(&snac1, req);
1858
1859 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1860 if (logged_in) {
1861 credentials_get(body, ctype, &status, snac1);
1862 }
1863 else {
1864 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1865 }
1866 }
1867 else
1868 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1869 /* find if an account is followed, blocked, etc. */
1870 /* the account to get relationships about is in args "id[]" */
1871
1872 if (logged_in) {
1873 xs *res = xs_list_new();
1874 const char *md5 = xs_dict_get(args, "id[]");
1875
1876 if (xs_is_null(md5))
1877 md5 = xs_dict_get(args, "id");
1878
1879 if (!xs_is_null(md5)) {
1880 if (xs_type(md5) == XSTYPE_LIST)
1881 md5 = xs_list_get(md5, 0);
1882
1883 xs *rel = mastoapi_relationship(&snac1, md5);
1884
1885 if (rel != NULL)
1886 res = xs_list_append(res, rel);
1887 }
1888
1889 *body = xs_json_dumps(res, 4);
1890 *ctype = "application/json";
1891 status = HTTP_STATUS_OK;
1892 }
1893 else
1894 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1895 }
1896 else
1897 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1898 /* lookup an account */
1899 const char *acct = xs_dict_get(args, "acct");
1900
1901 if (!xs_is_null(acct)) {
1902 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1903 xs *l = xs_split_n(s, "@", 1);
1904 const char *uid = xs_list_get(l, 0);
1905 const char *host = xs_list_get(l, 1);
1906
1907 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1908 snac user;
1909
1910 if (user_open(&user, uid)) {
1911 xs *actor = msg_actor(&user);
1912 xs *macct = mastoapi_account(NULL, actor);
1913
1914 *body = xs_json_dumps(macct, 4);
1915 *ctype = "application/json";
1916 status = HTTP_STATUS_OK;
1917
1918 user_free(&user);
1919 }
1920 }
1921 }
1922 }
1923 else
1924 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1925 /* account-related information */
1926 xs *l = xs_split(cmd, "/");
1927 const char *uid = xs_list_get(l, 3);
1928 const char *opt = xs_list_get(l, 4);
1929
1930 if (uid != NULL) {
1931 snac snac2;
1932 xs *out = NULL;
1933 xs *actor = NULL;
1934
1935 if (logged_in && strcmp(uid, "familiar_followers") == 0) { /** **/
1936 /* familiar followers endpoint - return empty array */
1937 out = xs_list_new();
1938 }
1939 else
1940 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1941 /* search for accounts starting with q */
1942 const char *aq = xs_dict_get(args, "q");
1943
1944 if (!xs_is_null(aq)) {
1945 xs *q = xs_utf8_to_lower(aq);
1946 out = xs_list_new();
1947 xs *wing = following_list(&snac1);
1948 xs *wers = follower_list(&snac1);
1949 xs *ulst = user_list();
1950 xs_list *p;
1951 const xs_str *v;
1952 xs_set seen;
1953
1954 xs_set_init(&seen);
1955
1956 /* user relations */
1957 xs_list *lsts[] = { wing, wers, NULL };
1958 int n;
1959 for (n = 0; (p = lsts[n]) != NULL; n++) {
1960
1961 while (xs_list_iter(&p, &v)) {
1962 /* already seen? skip */
1963 if (xs_set_add(&seen, v) == 0)
1964 continue;
1965
1966 xs *actor = NULL;
1967
1968 if (valid_status(object_get(v, &actor))) {
1969 const char *uname = xs_dict_get(actor, "preferredUsername");
1970
1971 if (!xs_is_null(uname)) {
1972 xs *luname = xs_tolower_i(xs_dup(uname));
1973
1974 if (xs_startswith(luname, q)) {
1975 xs *acct = mastoapi_account(&snac1, actor);
1976
1977 out = xs_list_append(out, acct);
1978 }
1979 }
1980 }
1981 }
1982 }
1983
1984 /* local users */
1985 p = ulst;
1986 while (xs_list_iter(&p, &v)) {
1987 snac user;
1988
1989 /* skip this same user */
1990 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1991 continue;
1992
1993 /* skip if the uid does not start with the query */
1994 xs *v2 = xs_tolower_i(xs_dup(v));
1995 if (!xs_startswith(v2, q))
1996 continue;
1997
1998 if (user_open(&user, v)) {
1999 /* if it's not already seen, add it */
2000 if (xs_set_add(&seen, user.actor) == 1) {
2001 xs *actor = msg_actor(&user);
2002 xs *acct = mastoapi_account(&snac1, actor);
2003
2004 out = xs_list_append(out, acct);
2005 }
2006
2007 user_free(&user);
2008 }
2009 }
2010
2011 xs_set_free(&seen);
2012 }
2013 }
2014 else
2015 /* is it a local user? */
2016 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
2017 if (opt == NULL) {
2018 /* account information */
2019 actor = msg_actor(&snac2);
2020 out = mastoapi_account(NULL, actor);
2021 }
2022 else
2023 if (strcmp(opt, "statuses") == 0) { /** **/
2024 if (logged_in || xs_type(xs_dict_get(snac2.config, "private")) == XSTYPE_FALSE) {
2025 /* the public list of posts of a user */
2026 const char *limit_s = xs_dict_get(args, "limit");
2027 const char *o_max_id = xs_dict_get(args, "max_id");
2028 int limit = limit_s ? atoi(limit_s) : 20;
2029 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2030
2031 srv_debug(1, xs_fmt("account statuses: max_id=%s limit=%d", max_id ? max_id : "(null)", limit));
2032
2033 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
2034 xs_list *p = timeline;
2035 const xs_str *v;
2036 xs_set seen;
2037 int cnt = 0;
2038 int skip_until_max = max_id != NULL;
2039
2040 out = xs_list_new();
2041 xs_set_init(&seen);
2042
2043 while (xs_list_iter(&p, &v) && cnt < limit) {
2044 xs *msg = NULL;
2045
2046 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
2047 const char *msg_id = xs_dict_get(msg, "id");
2048
2049 /* add only posts by the author */
2050 if (!xs_is_null(msg_id) &&
2051 strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
2052 is_msg_mine(&snac2, xs_dict_get(msg, "id")) && is_msg_public(msg)) {
2053
2054 /* if max_id is set, skip entries until we find it */
2055 if (skip_until_max) {
2056 xs *mid = mastoapi_id(msg);
2057 if (strcmp(mid, max_id) == 0) {
2058 skip_until_max = 0;
2059 srv_debug(2, xs_fmt("account statuses: found max_id, starting from next post"));
2060 }
2061 continue;
2062 }
2063
2064 /* deduplicate by message id */
2065 if (xs_set_add(&seen, msg_id) == 1) {
2066 xs *st = mastoapi_status(&snac2, msg);
2067
2068 if (st) {
2069 out = xs_list_append(out, st);
2070 cnt++;
2071 }
2072 }
2073 }
2074 }
2075 }
2076
2077 srv_debug(1, xs_fmt("account statuses: returning %d posts (requested %d)", cnt, limit));
2078 xs_set_free(&seen);
2079 }
2080 else
2081 status = HTTP_STATUS_UNAUTHORIZED;
2082 }
2083 else
2084 if (strcmp(opt, "featured_tags") == 0) {
2085 /* snac doesn't have features tags, yet? */
2086 /* implement empty response so apps like Tokodon don't show an error */
2087 out = xs_list_new();
2088 }
2089 else
2090 if (strcmp(opt, "following") == 0) {
2091 xs *wing = following_list(&snac1);
2092 out = xs_list_new();
2093 int c = 0;
2094 const char *v;
2095
2096 while (xs_list_next(wing, &v, &c)) {
2097 xs *actor = NULL;
2098
2099 if (valid_status(object_get(v, &actor))) {
2100 xs *acct = mastoapi_account(NULL, actor);
2101 out = xs_list_append(out, acct);
2102 }
2103 }
2104 }
2105 else
2106 if (strcmp(opt, "followers") == 0) {
2107 out = xs_list_new();
2108 }
2109 else
2110 if (strcmp(opt, "lists") == 0) {
2111 out = mastoapi_account_lists(&snac1, uid);
2112 }
2113 else
2114 if (strcmp(opt, "familiar_followers") == 0) {
2115 /* familiar followers - not implemented, return empty array */
2116 out = xs_list_new();
2117 }
2118
2119 user_free(&snac2);
2120 }
2121 else {
2122 /* try the uid as the md5 of a possibly loaded actor */
2123 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
2124 if (opt == NULL) {
2125 /* account information */
2126 out = mastoapi_account(&snac1, actor);
2127 }
2128 else
2129 if (strcmp(opt, "statuses") == 0) {
2130 /* fetch statuses from remote outbox */
2131 out = xs_list_new();
2132 const char *outbox_url = xs_dict_get(actor, "outbox");
2133
2134 if (!xs_is_null(outbox_url)) {
2135 /* extract query parameters */
2136 const char *limit_s = xs_dict_get(args, "limit");
2137 const char *exclude_replies_s = xs_dict_get(args, "exclude_replies");
2138 const char *o_max_id = xs_dict_get(args, "max_id");
2139
2140 int limit = 20;
2141 if (!xs_is_null(limit_s))
2142 limit = atoi(limit_s);
2143 if (limit == 0 || limit > 40)
2144 limit = 20;
2145
2146 int exclude_replies = !xs_is_null(exclude_replies_s) &&
2147 strcmp(exclude_replies_s, "true") == 0;
2148
2149 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2150 int skip_until_max = max_id != NULL;
2151
2152 srv_debug(1, xs_fmt("remote account statuses: fetching from %s (max_id=%s limit=%d)",
2153 outbox_url, max_id ? max_id : "(null)", limit));
2154
2155 /* fetch first page only - safer for memory on large instances */
2156 xs *outbox_collection = NULL;
2157 xs *first_page = NULL;
2158 const xs_list *items = get_collection_items(&snac1, outbox_url,
2159 &outbox_collection, &first_page);
2160
2161 int count = 0;
2162 int processed = 0;
2163
2164 if (!xs_is_null(items) && xs_type(items) == XSTYPE_LIST) {
2165 int total_items = xs_list_len(items);
2166 srv_debug(1, xs_fmt("remote account statuses: got %d items from outbox", total_items));
2167
2168 const xs_val *item;
2169
2170 xs_list_foreach(items, item) {
2171 processed++;
2172
2173 if (count >= limit)
2174 break;
2175
2176 const xs_dict *post = extract_post_from_item(item);
2177 if (!post)
2178 continue;
2179
2180 const char *post_type = xs_dict_get(post, "type");
2181 const char *in_reply_to = xs_dict_get(post, "inReplyTo");
2182
2183 /* apply filters */
2184 if (exclude_replies && !xs_is_null(in_reply_to))
2185 continue;
2186
2187 if (is_valid_post_type(post_type)) {
2188 /* store object locally so mastoapi_id() can generate valid IDs */
2189 const char *post_id = xs_dict_get(post, "id");
2190 if (!xs_is_null(post_id))
2191 object_add(post_id, post);
2192
2193 /* handle pagination with max_id */
2194 if (skip_until_max) {
2195 xs *mid = mastoapi_id(post);
2196 if (!xs_is_null(mid) && strcmp(mid, max_id) == 0) {
2197 skip_until_max = 0;
2198 srv_debug(2, xs_fmt("remote account statuses: found max_id at position %d", processed));
2199 }
2200 continue;
2201 }
2202
2203 /* pass logged-in user context to enable media proxying if configured */
2204 xs *st = mastoapi_status(&snac1, post);
2205 if (st) {
2206 out = xs_list_append(out, st);
2207 count++;
2208 }
2209 }
2210 }
2211 }
2212 else {
2213 srv_debug(1, xs_fmt("remote account statuses: no items found in outbox"));
2214 }
2215
2216 srv_debug(1, xs_fmt("remote account statuses: processed %d items, returning %d posts (requested %d)",
2217 processed, count, limit));
2218 }
2219 }
2220 else
2221 if (strcmp(opt, "featured_tags") == 0) {
2222 /* snac doesn't have features tags, yet? */
2223 /* implement empty response so apps like Tokodon don't show an error */
2224 out = xs_list_new();
2225 }
2226 else
2227 if (strcmp(opt, "lists") == 0) {
2228 out = mastoapi_account_lists(&snac1, uid);
2229 }
2230 else
2231 if (strcmp(opt, "familiar_followers") == 0) {
2232 /* familiar followers - not implemented, return empty array */
2233 out = xs_list_new();
2234 }
2235 }
2236 }
2237
2238 if (out != NULL) {
2239 *body = xs_json_dumps(out, 4);
2240 *ctype = "application/json";
2241 status = HTTP_STATUS_OK;
2242 }
2243 }
2244 }
2245 else
2246 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
2247 /* the private timeline */
2248 if (logged_in) {
2249 xs *ifn = user_index_fn(&snac1, "private");
2250 xs *out = mastoapi_timeline(&snac1, args, ifn);
2251
2252 *link = timeline_link_header("/api/v1/timelines/home", out);
2253
2254 *body = xs_json_dumps(out, 4);
2255 *ctype = "application/json";
2256 status = HTTP_STATUS_OK;
2257
2258 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
2259 }
2260 else {
2261 status = HTTP_STATUS_UNAUTHORIZED;
2262 }
2263 }
2264 else
2265 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
2266 /* the instance public timeline (public timelines for all users) */
2267 xs *ifn = instance_index_fn();
2268 xs *out = mastoapi_timeline(NULL, args, ifn);
2269
2270 *body = xs_json_dumps(out, 4);
2271 *ctype = "application/json";
2272 status = HTTP_STATUS_OK;
2273 }
2274 else
2275 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
2276 /* get the tag */
2277 xs *l = xs_split(cmd, "/");
2278 const char *tag = xs_list_get(l, -1);
2279
2280 xs *ifn = tag_fn(tag);
2281 xs *out = mastoapi_timeline(NULL, args, ifn);
2282
2283 *body = xs_json_dumps(out, 4);
2284 *ctype = "application/json";
2285 status = HTTP_STATUS_OK;
2286 }
2287 else
2288 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
2289 /* get the list id */
2290 if (logged_in) {
2291 xs *l = xs_split(cmd, "/");
2292 const char *list = xs_list_get(l, -1);
2293
2294 xs *ifn = list_timeline_fn(&snac1, list);
2295 xs *out = mastoapi_timeline(NULL, args, ifn);
2296
2297 *body = xs_json_dumps(out, 4);
2298 *ctype = "application/json";
2299 status = HTTP_STATUS_OK;
2300 }
2301 else
2302 status = HTTP_STATUS_MISDIRECTED_REQUEST;
2303 }
2304 else
2305 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
2306 /* TBD */
2307 *body = xs_dup("[]");
2308 *ctype = "application/json";
2309 status = HTTP_STATUS_OK;
2310 }
2311 else
2312 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
2313 if (logged_in) {
2314 xs *l = notify_list(&snac1, 0, 64);
2315 xs *out = xs_list_new();
2316 const char *v;
2317 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
2318 const xs_list *incl = xs_dict_get(args, "types[]");
2319 const char *min_id = xs_dict_get(args, "min_id");
2320 const char *max_id = xs_dict_get(args, "max_id");
2321 const char *limit = xs_dict_get(args, "limit");
2322 int limit_count = 0;
2323 if (xs_is_string(limit)) {
2324 limit_count = atoi(limit);
2325 }
2326
2327 if (dbglevel) {
2328 xs *js = xs_json_dumps(args, 0);
2329 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
2330 }
2331
2332 xs_list_foreach(l, v) {
2333 xs *noti = notify_get(&snac1, v);
2334
2335 if (noti == NULL)
2336 continue;
2337
2338 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2339
2340 const char *type = xs_dict_get(noti, "type");
2341 const char *utype = xs_dict_get(noti, "utype");
2342 const char *objid = xs_dict_get(noti, "objid");
2343 const char *id = xs_dict_get(noti, "id");
2344 const char *actid = xs_dict_get(noti, "actor");
2345
2346 int isEmoji = 0;
2347
2348 xs *fid = xs_replace(id, ".", "");
2349 xs *actor = NULL;
2350 xs *entry = NULL;
2351
2352 if (tag) {
2353 isEmoji = strcmp(xs_dict_get(tag, "type"), "Emoji") ? 0 : 1;
2354 }
2355
2356 if (!valid_status(actor_get(actid, &actor)))
2357 continue;
2358
2359 if (objid != NULL && !valid_status(object_get(objid, &entry)))
2360 continue;
2361
2362 if (is_hidden(&snac1, objid))
2363 continue;
2364
2365 if (max_id) {
2366 if (strcmp(fid, max_id) == 0)
2367 max_id = NULL;
2368
2369 continue;
2370 }
2371
2372 if (min_id) {
2373 if (strcmp(fid, min_id) <= 0) {
2374 continue;
2375 }
2376 }
2377
2378 /* convert the type */
2379 if (strcmp(type, "Like") == 0 && !isEmoji)
2380 type = "favourite";
2381 else
2382 if (isEmoji || strcmp(type, "EmojiReact") == 0)
2383 type = "reaction";
2384 else
2385 if (strcmp(type, "Announce") == 0)
2386 type = "reblog";
2387 else
2388 if (strcmp(type, "Follow") == 0)
2389 type = "follow";
2390 else
2391 if (strcmp(type, "Create") == 0)
2392 type = "mention";
2393 else
2394 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
2395 type = "poll";
2396 else
2397 continue;
2398
2399 /* excluded type? */
2400 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
2401 continue;
2402
2403 /* included type? */
2404 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
2405 continue;
2406
2407 xs *mn = xs_dict_new();
2408
2409 mn = xs_dict_append(mn, "type", type);
2410
2411 mn = xs_dict_append(mn, "id", fid);
2412
2413 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
2414
2415 xs *acct = mastoapi_account(&snac1, actor);
2416
2417 if (acct == NULL)
2418 continue;
2419
2420 mn = xs_dict_append(mn, "account", acct);
2421
2422 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
2423 xs *st = mastoapi_status(&snac1, entry);
2424
2425 if (st) {
2426 mn = xs_dict_append(mn, "status", st);
2427
2428 if (strcmp(type, "reaction") == 0 && !xs_is_null(objid)) {
2429 const char *eid = NULL;
2430 const char *url = NULL;
2431 int utf = 0;
2432
2433 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2434 const char *content = xs_dict_get_path(noti, "msg.content");
2435
2436 url = xs_dict_get(xs_dict_get(tag, "icon"), "url");
2437 eid = xs_dict_get(tag, "name");
2438
2439 if (eid && url) {
2440 mn = xs_dict_append(mn, "emoji", eid);
2441 mn = xs_dict_append(mn, "emoji_url", url);
2442 }
2443
2444 if (xs_is_emoji((utf = xs_utf8_dec(&content)))) {
2445 xs *s1 = xs_fmt("&#%d;", utf);
2446 mn = xs_dict_append(mn, "name", s1);
2447 }
2448 }
2449 }
2450 }
2451
2452 out = xs_list_append(out, mn);
2453
2454 if (--limit_count <= 0)
2455 break;
2456 }
2457
2458 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
2459
2460 *body = xs_json_dumps(out, 4);
2461 *ctype = "application/json";
2462 status = HTTP_STATUS_OK;
2463 }
2464 else
2465 status = HTTP_STATUS_UNAUTHORIZED;
2466 }
2467 else
2468 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2469 /* snac will never have filters */
2470 *body = xs_dup("[]");
2471 *ctype = "application/json";
2472 status = HTTP_STATUS_OK;
2473 }
2474 else
2475 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2476 /* snac will never have filters
2477 * but still, without a v2 endpoint a short delay is introduced
2478 * in some apps */
2479 *body = xs_dup("[]");
2480 *ctype = "application/json";
2481 status = HTTP_STATUS_OK;
2482 }
2483 else
2484 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2485 /* snac will never support a list of favourites */
2486 *body = xs_dup("[]");
2487 *ctype = "application/json";
2488 status = HTTP_STATUS_OK;
2489 }
2490 else
2491 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2492 if (logged_in) {
2493 xs *ifn = bookmark_index_fn(&snac1);
2494 xs *out = mastoapi_timeline(&snac1, args, ifn);
2495
2496 *body = xs_json_dumps(out, 4);
2497 *ctype = "application/json";
2498 status = HTTP_STATUS_OK;
2499 }
2500 else
2501 status = HTTP_STATUS_UNAUTHORIZED;
2502 }
2503 else
2504 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2505 if (logged_in) {
2506 xs *l = mastoapi_account_lists(&snac1, NULL);
2507
2508 *body = xs_json_dumps(l, 4);
2509 *ctype = "application/json";
2510 status = HTTP_STATUS_OK;
2511 }
2512 else
2513 status = HTTP_STATUS_UNAUTHORIZED;
2514 }
2515 else
2516 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2517 if (logged_in) {
2518 xs *l = xs_split(cmd, "/");
2519 const char *p = xs_list_get(l, -1);
2520
2521 if (p) {
2522 if (strcmp(p, "accounts") == 0) {
2523 p = xs_list_get(l, -2);
2524
2525 if (p && xs_is_hex(p)) {
2526 xs *actors = list_members(&snac1, p, NULL, 0);
2527 xs *out = xs_list_new();
2528 int c = 0;
2529 const char *v;
2530
2531 while (xs_list_next(actors, &v, &c)) {
2532 xs *actor = NULL;
2533
2534 if (valid_status(object_get_by_md5(v, &actor))) {
2535 xs *acct = mastoapi_account(&snac1, actor);
2536 out = xs_list_append(out, acct);
2537 }
2538 }
2539
2540 *body = xs_json_dumps(out, 4);
2541 *ctype = "application/json";
2542 status = HTTP_STATUS_OK;
2543 }
2544 }
2545 else
2546 if (xs_is_hex(p)) {
2547 xs *out = xs_list_new();
2548 xs *lol = list_maint(&snac1, NULL, 0);
2549 int c = 0;
2550 const xs_list *v;
2551
2552 while (xs_list_next(lol, &v, &c)) {
2553 const char *id = xs_list_get(v, 0);
2554
2555 if (id && strcmp(id, p) == 0) {
2556 xs *d = xs_dict_new();
2557
2558 d = xs_dict_append(d, "id", p);
2559 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2560 d = xs_dict_append(d, "replies_policy", "list");
2561 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2562
2563 out = xs_dup(d);
2564 break;
2565 }
2566 }
2567
2568 *body = xs_json_dumps(out, 4);
2569 *ctype = "application/json";
2570 status = HTTP_STATUS_OK;
2571 }
2572 }
2573 }
2574 else
2575 status = HTTP_STATUS_UNAUTHORIZED;
2576 }
2577 else
2578 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2579 /* TBD */
2580 *body = xs_dup("[]");
2581 *ctype = "application/json";
2582 status = HTTP_STATUS_OK;
2583 }
2584 else
2585 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2586 if (logged_in) {
2587 xs *pend = pending_list(&snac1);
2588 xs *resp = xs_list_new();
2589 const char *id;
2590
2591 xs_list_foreach(pend, id) {
2592 xs *actor = NULL;
2593
2594 if (valid_status(object_get(id, &actor))) {
2595 xs *acct = mastoapi_account(&snac1, actor);
2596
2597 if (acct)
2598 resp = xs_list_append(resp, acct);
2599 }
2600 }
2601
2602 *body = xs_json_dumps(resp, 4);
2603 *ctype = "application/json";
2604 status = HTTP_STATUS_OK;
2605 }
2606 }
2607 else
2608 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2609 if (logged_in) {
2610 xs *resp = xs_list_new();
2611 double la = 0.0;
2612 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2613 if (user_la != NULL)
2614 la = xs_number_get(user_la);
2615 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2616
2617 /* contrary to html, we always send the announcement and set the read flag instead */
2618
2619 const t_announcement *annce = announcement(la);
2620 if (annce != NULL && annce->text != NULL) {
2621 xs *an = xs_dict_new();
2622 xs *id = xs_fmt("%d", annce->timestamp);
2623 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2624
2625 an = xs_dict_set(an, "id", id);
2626 an = xs_dict_set(an, "content", ct);
2627 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2628 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2629 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2630 an = xs_dict_set(an, "published_at", val_date);
2631 an = xs_dict_set(an, "updated_at", val_date);
2632 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2633 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2634 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2635 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2636 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2637 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2638 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2639 resp = xs_list_append(resp, an);
2640 }
2641
2642 *body = xs_json_dumps(resp, 4);
2643 *ctype = "application/json";
2644 status = HTTP_STATUS_OK;
2645 }
2646 }
2647 else
2648 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2649 xs *emo = emojis();
2650 xs *list = xs_list_new();
2651 const xs_str *k;
2652 const xs_val *v;
2653 xs_dict_foreach(emo, k, v) {
2654 xs *current = xs_dict_new();
2655 if ((xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) || xs_type(v) == XSTYPE_DICT) {
2656 /* remove first and last colon */
2657 if (xs_type(v) == XSTYPE_DICT) {
2658 const char *v2;
2659 const char *cat = k;
2660 xs_dict_foreach(v, k, v2) {
2661 xs *shortcode = xs_replace(k, ":", "");
2662 current = xs_dict_append(current, "shortcode", shortcode);
2663 current = xs_dict_append(current, "url", v2);
2664 current = xs_dict_append(current, "static_url", v2);
2665 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2666 current = xs_dict_append(current, "category", cat);
2667 list = xs_list_append(list, current);
2668 }
2669 }
2670 else {
2671 xs *shortcode = xs_replace(k, ":", "");
2672 current = xs_dict_append(current, "shortcode", shortcode);
2673 current = xs_dict_append(current, "url", v);
2674 current = xs_dict_append(current, "static_url", v);
2675 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2676 list = xs_list_append(list, current);
2677 }
2678 }
2679 }
2680 *body = xs_json_dumps(list, 0);
2681 *ctype = "application/json";
2682 status = HTTP_STATUS_OK;
2683 }
2684 else
2685 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2686 /* returns an instance object */
2687 xs *ins = xs_dict_new();
2688 const char *host = xs_dict_get(srv_config, "host");
2689 const char *title = xs_dict_get(srv_config, "title");
2690 const char *sdesc = xs_dict_get(srv_config, "short_description");
2691
2692 ins = xs_dict_append(ins, "uri", host);
2693 ins = xs_dict_append(ins, "domain", host);
2694 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2695 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2696 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2697 ins = xs_dict_append(ins, "description", host);
2698
2699 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2700
2701 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2702 ins = xs_dict_append(ins, "thumbnail", susie);
2703
2704 const char *v = xs_dict_get(srv_config, "admin_email");
2705 if (xs_is_null(v) || *v == '\0')
2706 v = "admin@localhost";
2707
2708 ins = xs_dict_append(ins, "email", v);
2709
2710 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2711
2712 xs *l1 = xs_list_append(xs_list_new(), "en");
2713 ins = xs_dict_append(ins, "languages", l1);
2714
2715 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2716 xs *urls = xs_dict_new();
2717 urls = xs_dict_append(urls, "streaming_api", wss);
2718
2719 ins = xs_dict_append(ins, "urls", urls);
2720
2721 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2722 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2723 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2724 ins = xs_dict_append(ins, "stats", d2);
2725
2726 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2727 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2728 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2729
2730 xs *cfg = xs_dict_new();
2731
2732 {
2733 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2734 "\"max_characters\":100000,\"max_media_attachments\":4}");
2735
2736 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2737 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2738 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2739
2740 cfg = xs_dict_append(cfg, "statuses", d11);
2741
2742 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2743 cfg = xs_dict_append(cfg, "accounts", d12);
2744
2745 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2746 "\"image_size_limit\":16777216,"
2747 "\"video_frame_rate_limit\":120,"
2748 "\"video_matrix_limit\":8294400,"
2749 "\"video_size_limit\":103809024}"
2750 );
2751
2752 {
2753 /* get the supported mime types from the internal list */
2754 const char **p = xs_mime_types;
2755 xs_set mtypes;
2756 xs_set_init(&mtypes);
2757
2758 while (*p) {
2759 const char *type = p[1];
2760
2761 if (xs_startswith(type, "image/") ||
2762 xs_startswith(type, "video/") ||
2763 xs_startswith(type, "audio/"))
2764 xs_set_add(&mtypes, type);
2765
2766 p += 2;
2767 }
2768
2769 xs *l = xs_set_result(&mtypes);
2770 d13 = xs_dict_append(d13, "supported_mime_types", l);
2771 }
2772
2773 cfg = xs_dict_append(cfg, "media_attachments", d13);
2774
2775 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2776 "\"max_expiration\":2629746,"
2777 "\"max_options\":8,\"min_expiration\":300}");
2778 cfg = xs_dict_append(cfg, "polls", d14);
2779
2780
2781 xs *d15 = xs_json_loads("{\"max_reactions\":50}");
2782 cfg = xs_dict_append(cfg, "reactions", d15);
2783
2784 }
2785
2786 ins = xs_dict_append(ins, "configuration", cfg);
2787
2788 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2789
2790 if (!xs_is_null(admin_account) && *admin_account) {
2791 snac admin;
2792
2793 if (user_open(&admin, admin_account)) {
2794 xs *actor = msg_actor(&admin);
2795 xs *acct = mastoapi_account(NULL, actor);
2796
2797 ins = xs_dict_append(ins, "contact_account", acct);
2798
2799 user_free(&admin);
2800 }
2801 }
2802
2803 *body = xs_json_dumps(ins, 4);
2804 *ctype = "application/json";
2805 status = HTTP_STATUS_OK;
2806 }
2807 else
2808 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2809 /* get the collected inbox list as the instances "this domain is aware of" */
2810 xs *list = inbox_list();
2811 xs *peers = xs_list_new();
2812 const char *inbox;
2813
2814 xs_list_foreach(list, inbox) {
2815 xs *l = xs_split(inbox, "/");
2816 const char *domain = xs_list_get(l, 2);
2817
2818 if (xs_is_string(domain))
2819 peers = xs_list_append(peers, domain);
2820 }
2821
2822 *body = xs_json_dumps(peers, 4);
2823 *ctype = "application/json";
2824 status = HTTP_STATUS_OK;
2825 }
2826 else
2827 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2828 xs *d = xs_dict_new();
2829 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2830 time_t t = mtime(greeting);
2831 xs *updated_at = xs_str_iso_date(t);
2832 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2833
2834 d = xs_dict_set(d, "updated_at", updated_at);
2835 d = xs_dict_set(d, "content", content);
2836
2837 *body = xs_json_dumps(d, 4);
2838 *ctype = "application/json";
2839 status = HTTP_STATUS_OK;
2840 }
2841 else
2842 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2843 /* information about a status */
2844 if (logged_in) {
2845 xs *l = xs_split(cmd, "/");
2846 const char *oid = xs_list_get(l, 3);
2847 const char *op = xs_list_get(l, 4);
2848
2849 if (!xs_is_null(oid)) {
2850 xs *msg = NULL;
2851 xs *out = NULL;
2852
2853 /* skip the 'fake' part of the id */
2854 oid = MID_TO_MD5(oid);
2855
2856 xs *id = xs_tolower_i(xs_dup(oid));
2857
2858 if (valid_status(object_get_by_md5(id, &msg))) {
2859 if (op == NULL) {
2860 if (!is_muted(&snac1, get_atto(msg))) {
2861 /* return the status itself */
2862 out = mastoapi_status(&snac1, msg);
2863 }
2864 }
2865 else
2866 if (strcmp(op, "context") == 0) { /** **/
2867 /* return ancestors and children */
2868 xs *anc = xs_list_new();
2869 xs *des = xs_list_new();
2870 char pid[MD5_HEX_SIZE];
2871
2872 /* build the [grand]parent list, moving up */
2873 strncpy(pid, id, sizeof(pid));
2874
2875 while (object_parent(pid, pid)) {
2876 xs *m2 = NULL;
2877
2878 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2879 xs *st = mastoapi_status(&snac1, m2);
2880
2881 if (st)
2882 anc = xs_list_insert(anc, 0, st);
2883 }
2884 else
2885 break;
2886 }
2887
2888 /* build the children list */
2889 xs *childs = build_childrens(msg, &snac1);
2890 if (xs_list_len(childs) > 0)
2891 des = xs_list_cat(des, childs);
2892
2893 out = xs_dict_new();
2894 out = xs_dict_append(out, "ancestors", anc);
2895 out = xs_dict_append(out, "descendants", des);
2896 }
2897 else
2898 if (strcmp(op, "reblogged_by") == 0 || /** **/
2899 strcmp(op, "favourited_by") == 0) { /** **/
2900 /* return the list of people who liked or boosted this */
2901 out = xs_list_new();
2902
2903 xs *l = NULL;
2904
2905 if (op[0] == 'r')
2906 l = object_announces(xs_dict_get(msg, "id"));
2907 else
2908 l = object_likes(xs_dict_get(msg, "id"));
2909
2910 xs_list *p = l;
2911 const xs_str *v;
2912
2913 while (xs_list_iter(&p, &v)) {
2914 xs *actor2 = NULL;
2915
2916 if (valid_status(object_get_by_md5(v, &actor2))) {
2917 xs *acct2 = mastoapi_account(&snac1, actor2);
2918
2919 out = xs_list_append(out, acct2);
2920 }
2921 }
2922 }
2923 else
2924 if (strcmp(op, "source") == 0) { /** **/
2925 out = xs_dict_new();
2926
2927 /* get the mastoapi status id */
2928 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2929
2930 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2931 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2932 }
2933 }
2934 else
2935 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2936
2937 if (out != NULL) {
2938 *body = xs_json_dumps(out, 4);
2939 *ctype = "application/json";
2940 status = HTTP_STATUS_OK;
2941 }
2942 }
2943 }
2944 else
2945 status = HTTP_STATUS_UNAUTHORIZED;
2946 }
2947 else
2948 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2949 /* TBD */
2950 *body = xs_dup("{}");
2951 *ctype = "application/json";
2952 status = HTTP_STATUS_OK;
2953 }
2954 else
2955 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2956 if (logged_in) {
2957 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2958 xs_str *json = NULL;
2959 if (!xs_is_null(timeline))
2960 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2961
2962 if (!xs_is_null(json))
2963 *body = json;
2964 else
2965 *body = xs_dup("{}");
2966
2967 *ctype = "application/json";
2968 status = HTTP_STATUS_OK;
2969 }
2970 else
2971 status = HTTP_STATUS_UNAUTHORIZED;
2972 }
2973 else
2974 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2975 if (logged_in) {
2976 xs *r = xs_list_new();
2977 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2978 "followed_hashtags", xs_stock(XSTYPE_LIST));
2979 const char *hashtag;
2980
2981 xs_list_foreach(followed_hashtags, hashtag) {
2982 if (*hashtag == '#') {
2983 xs *d = xs_dict_new();
2984 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2985
2986 d = xs_dict_set(d, "name", hashtag + 1);
2987 d = xs_dict_set(d, "url", s);
2988 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2989
2990 r = xs_list_append(r, d);
2991 }
2992 }
2993
2994 *body = xs_json_dumps(r, 4);
2995 *ctype = "application/json";
2996 status = HTTP_STATUS_OK;
2997 }
2998 else
2999 status = HTTP_STATUS_UNAUTHORIZED;
3000 }
3001 else
3002 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
3003 *body = xs_dup("[]");
3004 *ctype = "application/json";
3005 status = HTTP_STATUS_OK;
3006 }
3007 else
3008 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
3009 *body = xs_dup("[]");
3010 *ctype = "application/json";
3011 status = HTTP_STATUS_OK;
3012 }
3013 else
3014 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
3015 *body = xs_dup("[]");
3016 *ctype = "application/json";
3017 status = HTTP_STATUS_OK;
3018 }
3019 else
3020 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
3021 *body = xs_dup("[]");
3022 *ctype = "application/json";
3023 status = HTTP_STATUS_OK;
3024 }
3025 else
3026 if (strcmp(cmd, "/v2/search") == 0) { /** **/
3027 if (logged_in) {
3028 const char *q = xs_dict_get(args, "q");
3029 const char *type = xs_dict_get(args, "type");
3030 const char *offset = xs_dict_get(args, "offset");
3031
3032 xs *acl = xs_list_new();
3033 xs *stl = xs_list_new();
3034 xs *htl = xs_list_new();
3035 xs *res = xs_dict_new();
3036
3037 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
3038 /* reply something only for offset 0; otherwise,
3039 apps like Tusky keep asking again and again */
3040 if (xs_startswith(q, "https://")) {
3041 if (!timeline_here(&snac1, q)) {
3042 xs *object = NULL;
3043 int status;
3044
3045 status = activitypub_request(&snac1, q, &object);
3046 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
3047
3048 if (valid_status(status)) {
3049 /* got it; also request the actor */
3050 const char *attr_to = get_atto(object);
3051 xs *actor_obj = NULL;
3052
3053 if (!xs_is_null(attr_to)) {
3054 status = actor_request(&snac1, attr_to, &actor_obj);
3055
3056 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
3057
3058 if (valid_status(status)) {
3059 /* add the actor */
3060 actor_add(attr_to, actor_obj);
3061
3062 /* add the post to the timeline */
3063 timeline_add(&snac1, q, object);
3064 }
3065 }
3066 }
3067 }
3068 }
3069
3070 if (!xs_is_null(q)) {
3071 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
3072 /* do a webfinger query */
3073 char *actor = NULL;
3074 char *user = NULL;
3075
3076 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
3077 xs *actor_o = NULL;
3078
3079 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
3080 xs *acct = mastoapi_account(NULL, actor_o);
3081
3082 acl = xs_list_append(acl, acct);
3083
3084 if (!object_here(actor))
3085 object_add(actor, actor_o);
3086 }
3087 }
3088 }
3089
3090 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
3091 /* search this tag */
3092 xs *tl = tag_search((char *)q, 0, 1);
3093
3094 if (xs_list_len(tl)) {
3095 xs *d = xs_dict_new();
3096
3097 d = xs_dict_append(d, "name", q);
3098 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
3099 d = xs_dict_append(d, "url", url);
3100 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
3101
3102 htl = xs_list_append(htl, d);
3103 }
3104 }
3105
3106 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
3107 int to = 0;
3108 int cnt = 40;
3109 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
3110 int c = 0;
3111 const char *v;
3112
3113 while (xs_list_next(tl, &v, &c) && --cnt) {
3114 xs *post = NULL;
3115
3116 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
3117 continue;
3118
3119 xs *s = mastoapi_status(&snac1, post);
3120
3121 if (!xs_is_null(s))
3122 stl = xs_list_append(stl, s);
3123 }
3124 }
3125 }
3126 }
3127
3128 res = xs_dict_append(res, "accounts", acl);
3129 res = xs_dict_append(res, "statuses", stl);
3130 res = xs_dict_append(res, "hashtags", htl);
3131
3132 *body = xs_json_dumps(res, 4);
3133 *ctype = "application/json";
3134 status = HTTP_STATUS_OK;
3135 }
3136 else
3137 status = HTTP_STATUS_UNAUTHORIZED;
3138 }
3139
3140 /* user cleanup */
3141 if (logged_in)
3142 user_free(&snac1);
3143
3144 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
3145
3146 return status;
3147}
3148
3149
3150int mastoapi_post_handler(const xs_dict *req, const char *q_path,
3151 const char *payload, int p_size,
3152 char **body, int *b_size, char **ctype)
3153{
3154 (void)p_size;
3155 (void)b_size;
3156
3157 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3158 return 0;
3159
3160 int status = HTTP_STATUS_NOT_FOUND;
3161 xs *args = NULL;
3162 const char *i_ctype = xs_dict_get(req, "content-type");
3163
3164 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3165 if (!xs_is_null(payload)) {
3166 args = xs_json_loads(payload);
3167 }
3168 }
3169 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3170 {
3171 // Some apps send form data instead of json so we should cater for those
3172 if (!xs_is_null(payload)) {
3173 args = xs_url_vars(payload);
3174 }
3175 }
3176 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
3177 {
3178 // Handle multipart/form-data by using p_vars (already parsed by httpd)
3179 args = xs_dup(xs_dict_get(req, "p_vars"));
3180 }
3181
3182 /* if args still NULL, try falling back to p_vars or q_vars */
3183 if (args == NULL)
3184 args = xs_dup(xs_dict_get(req, "p_vars"));
3185
3186 if (args == NULL)
3187 args = xs_dup(xs_dict_get(req, "q_vars"));
3188
3189 if (args == NULL) {
3190 srv_debug(1, xs_fmt("mastoapi_post_handler: failed to parse args for %s, content-type: %s",
3191 q_path, i_ctype ? i_ctype : "(null)"));
3192 return HTTP_STATUS_BAD_REQUEST;
3193 }
3194
3195 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3196
3197 snac snac = {0};
3198 int logged_in = process_auth_token(&snac, req);
3199
3200 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
3201 const char *name = xs_dict_get(args, "client_name");
3202 const char *ruri = xs_dict_get(args, "redirect_uris");
3203 const char *scope = xs_dict_get(args, "scope");
3204
3205 /* Ice Cubes sends these values as query parameters, so try these */
3206 if (name == NULL && ruri == NULL && scope == NULL) {
3207 args = xs_dup(xs_dict_get(req, "q_vars"));
3208 name = xs_dict_get(args, "client_name");
3209 ruri = xs_dict_get(args, "redirect_uris");
3210 scope = xs_dict_get(args, "scope");
3211 }
3212
3213 if (xs_type(ruri) == XSTYPE_LIST)
3214 ruri = xs_dict_get(ruri, 0);
3215
3216 if (name && ruri) {
3217 xs *app = xs_dict_new();
3218 xs *id = xs_replace_i(tid(0), ".", "");
3219 xs *csec = random_str();
3220 xs *vkey = xs_dup(xs_dict_get(srv_config, "vkey"));
3221 if (vkey == NULL)
3222 vkey = random_str();
3223
3224 xs *cid = NULL;
3225
3226 /* pick a non-existent random cid */
3227 for (;;) {
3228 cid = random_str();
3229 xs *p_app = app_get(cid);
3230
3231 if (p_app == NULL)
3232 break;
3233
3234 xs_free(cid);
3235 }
3236
3237 app = xs_dict_append(app, "name", name);
3238 app = xs_dict_append(app, "redirect_uri", ruri);
3239 app = xs_dict_append(app, "client_id", cid);
3240 app = xs_dict_append(app, "client_secret", csec);
3241 app = xs_dict_append(app, "vapid_key", vkey);
3242 app = xs_dict_append(app, "id", id);
3243 app = xs_dict_append(app, "client_secret_expires_at", xs_stock(0));
3244
3245 *body = xs_json_dumps(app, 4);
3246 *ctype = "application/json";
3247 status = HTTP_STATUS_OK;
3248
3249 app = xs_dict_append(app, "code", "");
3250
3251 if (scope)
3252 app = xs_dict_append(app, "scope", scope);
3253
3254 app_add(cid, app);
3255
3256 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
3257 }
3258 }
3259 else
3260 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
3261 if (logged_in) {
3262 /* post a new Note */
3263 const char *content = xs_dict_get(args, "status");
3264 const char *mid = xs_dict_get(args, "in_reply_to_id");
3265 const char *visibility = xs_dict_get(args, "visibility");
3266 const char *summary = xs_dict_get(args, "spoiler_text");
3267 const char *poll_opts = xs_dict_get(args, "poll[options][]");
3268 const char *poll_end_secs = xs_dict_get(args, "poll[expires_in]");
3269 const char *poll_multiple = xs_dict_get(args, "poll[multiple]");
3270 // const char *poll_hide_totals = xs_dict_get(args, "poll[hide_totals]");
3271 const char *media_ids = xs_dict_get(args, "media_ids");
3272 const char *language = xs_dict_get(args, "language");
3273
3274 if (xs_is_null(media_ids))
3275 media_ids = xs_dict_get(args, "media_ids[]");
3276
3277 if (xs_is_null(media_ids))
3278 media_ids = xs_dict_get(args, "media_ids");
3279
3280 if (xs_is_null(visibility))
3281 visibility = "public";
3282
3283 xs *attach_list = xs_list_new();
3284 xs *irt = NULL;
3285
3286 /* is it a reply? */
3287 if (mid != NULL) {
3288 xs *r_msg = NULL;
3289 const char *md5 = MID_TO_MD5(mid);
3290
3291 if (valid_status(object_get_by_md5(md5, &r_msg)))
3292 irt = xs_dup(xs_dict_get(r_msg, "id"));
3293 }
3294
3295 /* does it have attachments (and no poll)? */
3296 if (!xs_is_null(media_ids) && xs_is_null(poll_end_secs) && xs_is_null(poll_opts)) {
3297 xs *mi = NULL;
3298
3299 if (xs_type(media_ids) == XSTYPE_LIST)
3300 mi = xs_dup(media_ids);
3301 else {
3302 mi = xs_list_new();
3303 mi = xs_list_append(mi, media_ids);
3304 }
3305
3306 xs_list *p = mi;
3307 const xs_str *v;
3308
3309 while (xs_list_iter(&p, &v)) {
3310 xs *l = xs_list_new();
3311 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
3312 xs *desc = static_get_meta(&snac, v);
3313
3314 l = xs_list_append(l, url);
3315 l = xs_list_append(l, desc);
3316
3317 attach_list = xs_list_append(attach_list, l);
3318 }
3319 }
3320
3321 /* prepare the message */
3322 xs *msg = NULL;
3323
3324 int scope = SCOPE_MENTIONED;
3325 if (strcmp(visibility, "unlisted") == 0)
3326 scope = SCOPE_UNLISTED;
3327 else
3328 if (strcmp(visibility, "public") == 0)
3329 scope = SCOPE_PUBLIC;
3330 else
3331 if (strcmp(visibility, "private") == 0)
3332 scope = SCOPE_FOLLOWERS;
3333
3334 /* does it have a poll? */
3335 if (!xs_is_null(poll_opts) && !xs_is_null(poll_end_secs)) {
3336 xs *po = NULL;
3337 int end_secs = atoi(poll_end_secs);
3338 int multiple = 0;
3339
3340 if (xs_type(poll_opts) == XSTYPE_LIST)
3341 po = xs_dup(poll_opts);
3342 else {
3343 po = xs_list_new();
3344 po = xs_list_append(po, poll_opts);
3345 }
3346
3347 if (!xs_is_null(poll_multiple) && strcmp(poll_multiple, "true") == 0)
3348 multiple = 1;
3349
3350 msg = msg_question(&snac, content, attach_list,
3351 poll_opts, multiple, end_secs);
3352
3353 enqueue_close_question(&snac, xs_dict_get(msg, "id"), end_secs);
3354 }
3355 else
3356 msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
3357
3358 if (!xs_is_null(summary) && *summary) {
3359 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
3360 msg = xs_dict_set(msg, "summary", summary);
3361 }
3362
3363 /* scheduled? */
3364 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
3365
3366 if (xs_is_string(scheduled_at) && *scheduled_at) {
3367 msg = xs_dict_set(msg, "published", scheduled_at);
3368
3369 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
3370 }
3371 else {
3372 /* store */
3373 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3374
3375 /* 'Create' message */
3376 xs *c_msg = msg_create(&snac, msg);
3377 enqueue_message(&snac, c_msg);
3378
3379 timeline_touch(&snac);
3380 }
3381
3382 /* convert to a mastodon status as a response code */
3383 xs *st = mastoapi_status(&snac, msg);
3384
3385 *body = xs_json_dumps(st, 4);
3386 *ctype = "application/json";
3387 status = HTTP_STATUS_OK;
3388 }
3389 else
3390 status = HTTP_STATUS_UNAUTHORIZED;
3391 }
3392 else
3393 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
3394 if (logged_in) {
3395 /* operations on a status */
3396 xs *l = xs_split(cmd, "/");
3397 const char *mid = xs_list_get(l, 3);
3398 const char *op = xs_list_get(l, 4);
3399
3400 if (!xs_is_null(mid)) {
3401 xs *msg = NULL;
3402 xs *out = NULL;
3403
3404 /* skip the 'fake' part of the id */
3405 mid = MID_TO_MD5(mid);
3406
3407 /* try timeline first, then global object store for remote posts */
3408 int found = valid_status(timeline_get_by_md5(&snac, mid, &msg));
3409 if (!found)
3410 found = valid_status(object_get_by_md5(mid, &msg));
3411
3412 if (found) {
3413 const char *id = xs_dict_get(msg, "id");
3414
3415 if (op == NULL) {
3416 /* no operation (?) */
3417 }
3418 else
3419 if (strcmp(op, "favourite") == 0) { /** **/
3420 xs *n_msg = msg_admiration(&snac, id, "Like");
3421
3422 if (n_msg != NULL) {
3423 enqueue_message(&snac, n_msg);
3424 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1, msg);
3425
3426 out = mastoapi_status(&snac, msg);
3427 }
3428 }
3429 else
3430 if (strcmp(op, "unfavourite") == 0) { /** **/
3431 xs *n_msg = msg_repulsion(&snac, id, "Like");
3432
3433 if (n_msg != NULL) {
3434 enqueue_message(&snac, n_msg);
3435
3436 out = mastoapi_status(&snac, msg);
3437 }
3438 }
3439 else
3440 if (strcmp(op, "react") == 0) { /** **/
3441 const char *eid = xs_list_get(l, 5);
3442 xs *n_msg = msg_emoji_init(&snac, id, eid);
3443 if (n_msg)
3444 out = mastoapi_status(&snac, n_msg);
3445 }
3446 else
3447 if (strcmp(op, "unreact") == 0) { /** **/
3448 const char *eid = xs_list_get(l, 5);
3449 xs *content = xs_fmt("%s", eid);
3450
3451 if (eid) {
3452 xs *n_msg = msg_emoji_unreact(&snac, id, content);
3453
3454 if (n_msg != NULL) {
3455 enqueue_message(&snac, n_msg);
3456
3457 out = mastoapi_status(&snac, msg);
3458 }
3459 }
3460 }
3461
3462 else
3463 if (strcmp(op, "reblog") == 0) { /** **/
3464 xs *n_msg = msg_admiration(&snac, id, "Announce");
3465
3466 if (n_msg != NULL) {
3467 enqueue_message(&snac, n_msg);
3468 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0, msg);
3469
3470 out = mastoapi_status(&snac, msg);
3471 }
3472 }
3473 else
3474 if (strcmp(op, "unreblog") == 0) { /** **/
3475 xs *n_msg = msg_repulsion(&snac, id, "Announce");
3476
3477 if (n_msg != NULL) {
3478 enqueue_message(&snac, n_msg);
3479
3480 out = mastoapi_status(&snac, msg);
3481 }
3482 }
3483 else
3484 if (strcmp(op, "bookmark") == 0) { /** **/
3485 /* bookmark this message */
3486 if (bookmark(&snac, id) == 0)
3487 out = mastoapi_status(&snac, msg);
3488 else
3489 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3490 }
3491 else
3492 if (strcmp(op, "unbookmark") == 0) { /** **/
3493 /* unbookmark this message */
3494 unbookmark(&snac, id);
3495 out = mastoapi_status(&snac, msg);
3496 }
3497 else
3498 if (strcmp(op, "pin") == 0) { /** **/
3499 /* pin this message */
3500 if (pin(&snac, id) == 0)
3501 out = mastoapi_status(&snac, msg);
3502 else
3503 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3504 }
3505 else
3506 if (strcmp(op, "unpin") == 0) { /** **/
3507 /* unpin this message */
3508 unpin(&snac, id);
3509 out = mastoapi_status(&snac, msg);
3510 }
3511 else
3512 if (strcmp(op, "mute") == 0) { /** **/
3513 /* Mastodon's mute is snac's hide */
3514 }
3515 else
3516 if (strcmp(op, "unmute") == 0) { /** **/
3517 /* Mastodon's unmute is snac's unhide */
3518 }
3519 }
3520
3521 if (out != NULL) {
3522 *body = xs_json_dumps(out, 4);
3523 *ctype = "application/json";
3524 status = HTTP_STATUS_OK;
3525 }
3526 }
3527 }
3528 else
3529 status = HTTP_STATUS_UNAUTHORIZED;
3530 }
3531 else
3532 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
3533 if (logged_in) {
3534 notify_clear(&snac);
3535 timeline_touch(&snac);
3536
3537 *body = xs_dup("{}");
3538 *ctype = "application/json";
3539 status = HTTP_STATUS_OK;
3540 }
3541 else
3542 status = HTTP_STATUS_UNAUTHORIZED;
3543 }
3544 else
3545 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
3546 /* I don't know what I'm doing */
3547 if (logged_in) {
3548 const char *v;
3549
3550 xs *wpush = xs_dict_new();
3551
3552 wpush = xs_dict_append(wpush, "id", "1");
3553
3554 v = xs_dict_get(args, "data");
3555 v = xs_dict_get(v, "alerts");
3556 wpush = xs_dict_append(wpush, "alerts", v);
3557
3558 v = xs_dict_get(args, "subscription");
3559 v = xs_dict_get(v, "endpoint");
3560 wpush = xs_dict_append(wpush, "endpoint", v);
3561
3562 xs *server_key = random_str();
3563 wpush = xs_dict_append(wpush, "server_key", server_key);
3564
3565 *body = xs_json_dumps(wpush, 4);
3566 *ctype = "application/json";
3567 status = HTTP_STATUS_OK;
3568 }
3569 else
3570 status = HTTP_STATUS_UNAUTHORIZED;
3571 }
3572 else
3573 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3574 if (logged_in) {
3575 const xs_list *file = xs_dict_get(args, "file");
3576 const char *desc = xs_dict_get(args, "description");
3577
3578 if (xs_is_null(desc))
3579 desc = "";
3580
3581 status = HTTP_STATUS_BAD_REQUEST;
3582
3583 if (xs_type(file) == XSTYPE_LIST) {
3584 const char *fn = xs_list_get(file, 0);
3585
3586 if (*fn != '\0') {
3587 char *ext = strrchr(fn, '.');
3588 char rnd[32];
3589 xs_rnd_buf(rnd, sizeof(rnd));
3590 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3591 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3592 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3593 int fo = xs_number_get(xs_list_get(file, 1));
3594 int fs = xs_number_get(xs_list_get(file, 2));
3595
3596 /* store */
3597 static_put(&snac, id, payload + fo, fs);
3598 static_put_meta(&snac, id, desc);
3599
3600 /* prepare a response */
3601 xs *rsp = xs_dict_new();
3602
3603 rsp = xs_dict_append(rsp, "id", id);
3604 rsp = xs_dict_append(rsp, "type", "image");
3605 rsp = xs_dict_append(rsp, "url", url);
3606 rsp = xs_dict_append(rsp, "preview_url", url);
3607 rsp = xs_dict_append(rsp, "remote_url", url);
3608 rsp = xs_dict_append(rsp, "description", desc);
3609
3610 *body = xs_json_dumps(rsp, 4);
3611 *ctype = "application/json";
3612 status = HTTP_STATUS_OK;
3613 }
3614 }
3615 }
3616 else
3617 status = HTTP_STATUS_UNAUTHORIZED;
3618 }
3619 else
3620 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3621 if (logged_in) {
3622 /* account-related information */
3623 xs *l = xs_split(cmd, "/");
3624 const char *md5 = xs_list_get(l, 3);
3625 const char *opt = xs_list_get(l, 4);
3626 xs *rsp = NULL;
3627
3628 if (!xs_is_null(md5) && *md5) {
3629 xs *actor_o = NULL;
3630
3631 if (xs_is_null(opt)) {
3632 /* ? */
3633 }
3634 else
3635 if (strcmp(opt, "follow") == 0) { /** **/
3636 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3637 const char *actor = xs_dict_get(actor_o, "id");
3638
3639 xs *msg = msg_follow(&snac, actor);
3640
3641 if (msg != NULL) {
3642 /* reload the actor from the message, in may be different */
3643 actor = xs_dict_get(msg, "object");
3644
3645 following_add(&snac, actor, msg);
3646
3647 enqueue_output_by_actor(&snac, msg, actor, 0);
3648
3649 rsp = mastoapi_relationship(&snac, md5);
3650 }
3651 }
3652 }
3653 else
3654 if (strcmp(opt, "unfollow") == 0) { /** **/
3655 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3656 const char *actor = xs_dict_get(actor_o, "id");
3657
3658 /* get the following object */
3659 xs *object = NULL;
3660
3661 if (valid_status(following_get(&snac, actor, &object))) {
3662 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3663
3664 following_del(&snac, actor);
3665
3666 enqueue_output_by_actor(&snac, msg, actor, 0);
3667
3668 rsp = mastoapi_relationship(&snac, md5);
3669 }
3670 }
3671 }
3672 else
3673 if (strcmp(opt, "block") == 0) { /** **/
3674 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3675 const char *actor = xs_dict_get(actor_o, "id");
3676
3677 mute(&snac, actor);
3678
3679 rsp = mastoapi_relationship(&snac, md5);
3680 }
3681 }
3682 else
3683 if (strcmp(opt, "unblock") == 0) { /** **/
3684 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3685 const char *actor = xs_dict_get(actor_o, "id");
3686
3687 unmute(&snac, actor);
3688
3689 rsp = mastoapi_relationship(&snac, md5);
3690 }
3691 }
3692 }
3693
3694 if (rsp != NULL) {
3695 *body = xs_json_dumps(rsp, 4);
3696 *ctype = "application/json";
3697 status = HTTP_STATUS_OK;
3698 }
3699 }
3700 else
3701 status = HTTP_STATUS_UNAUTHORIZED;
3702 }
3703 else
3704 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3705 if (logged_in) {
3706 /* operations on a status */
3707 xs *l = xs_split(cmd, "/");
3708 const char *mid = xs_list_get(l, 3);
3709 const char *op = xs_list_get(l, 4);
3710
3711 if (!xs_is_null(mid)) {
3712 xs *msg = NULL;
3713 xs *out = NULL;
3714
3715 /* skip the 'fake' part of the id */
3716 mid = MID_TO_MD5(mid);
3717
3718 /* try timeline first, then global object store for remote posts */
3719 int found = valid_status(timeline_get_by_md5(&snac, mid, &msg));
3720 if (!found)
3721 found = valid_status(object_get_by_md5(mid, &msg));
3722
3723 if (found) {
3724 const char *id = xs_dict_get(msg, "id");
3725 const char *atto = get_atto(msg);
3726 int closed = 0;
3727 const char *f_closed = NULL;
3728
3729 if ((f_closed = xs_dict_get(msg, "closed")) != NULL) {
3730 /* it has a closed date... but is it in the past? */
3731 time_t t0 = time(NULL);
3732 time_t t1 = xs_parse_iso_date(f_closed, 0);
3733
3734 if (t1 < t0)
3735 closed = 1;
3736 }
3737
3738 if (closed || was_question_voted(&snac, id))
3739 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3740 else {
3741 const xs_list *opts = xs_dict_get(msg, "oneOf");
3742 if (opts == NULL)
3743 opts = xs_dict_get(msg, "anyOf");
3744
3745 if (op == NULL) {
3746 }
3747 else {
3748 if (strcmp(op, "votes") == 0) {
3749 const xs_list *choices = xs_dict_get(args, "choices[]");
3750
3751 if (xs_is_null(choices))
3752 choices = xs_dict_get(args, "choices");
3753
3754 if (xs_type(choices) == XSTYPE_LIST) {
3755 const xs_str *v;
3756
3757 int c = 0;
3758 while (xs_list_next(choices, &v, &c)) {
3759 int io = atoi(v);
3760 const xs_dict *o = xs_list_get(opts, io);
3761
3762 if (o) {
3763 const char *name = xs_dict_get(o, "name");
3764
3765 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3766 msg = xs_dict_append(msg, "name", name);
3767
3768 xs *c_msg = msg_create(&snac, msg);
3769 enqueue_message(&snac, c_msg);
3770 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3771 }
3772 }
3773
3774 out = mastoapi_poll(&snac, msg);
3775 }
3776 }
3777 }
3778 }
3779 }
3780
3781 if (out != NULL) {
3782 *body = xs_json_dumps(out, 4);
3783 *ctype = "application/json";
3784 status = HTTP_STATUS_OK;
3785 }
3786 }
3787 }
3788 else
3789 status = HTTP_STATUS_UNAUTHORIZED;
3790 }
3791 else
3792 if (strcmp(cmd, "/v1/lists") == 0) {
3793 if (logged_in) {
3794 const char *title = xs_dict_get(args, "title");
3795
3796 if (xs_type(title) == XSTYPE_STRING) {
3797 /* add the list */
3798 xs *out = xs_dict_new();
3799 xs *lid = list_maint(&snac, title, 1);
3800
3801 if (!xs_is_null(lid)) {
3802 out = xs_dict_append(out, "id", lid);
3803 out = xs_dict_append(out, "title", title);
3804 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3805 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3806
3807 status = HTTP_STATUS_OK;
3808 }
3809 else {
3810 out = xs_dict_append(out, "error", "cannot create list");
3811 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3812 }
3813
3814 *body = xs_json_dumps(out, 4);
3815 *ctype = "application/json";
3816 }
3817 else
3818 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3819 }
3820 }
3821 else
3822 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3823 if (logged_in) {
3824 xs *l = xs_split(cmd, "/");
3825 const char *op = xs_list_get(l, -1);
3826 const char *id = xs_list_get(l, -2);
3827
3828 if (op && id && xs_is_hex(id)) {
3829 if (strcmp(op, "accounts") == 0) {
3830 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3831
3832 if (xs_is_null(accts))
3833 accts = xs_dict_get(args, "account_ids");
3834
3835 int c = 0;
3836 const char *v;
3837
3838 while (xs_list_next(accts, &v, &c)) {
3839 list_members(&snac, id, v, 1);
3840 }
3841
3842 xs *out = xs_dict_new();
3843 *body = xs_json_dumps(out, 4);
3844 *ctype = "application/json";
3845 status = HTTP_STATUS_OK;
3846 }
3847 }
3848 }
3849 }
3850 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3851 xs_str *json = NULL;
3852 if (logged_in) {
3853 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3854 if (xs_is_null(home_marker)) {
3855 const xs_dict *home = xs_dict_get(args, "home");
3856 if (!xs_is_null(home))
3857 home_marker = xs_dict_get(home, "last_read_id");
3858 }
3859
3860 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3861 if (xs_is_null(notify_marker)) {
3862 const xs_dict *notify = xs_dict_get(args, "notifications");
3863 if (!xs_is_null(notify))
3864 notify_marker = xs_dict_get(notify, "last_read_id");
3865 }
3866 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3867 }
3868 if (!xs_is_null(json))
3869 *body = json;
3870 else
3871 *body = xs_dup("{}");
3872
3873 *ctype = "application/json";
3874 status = HTTP_STATUS_OK;
3875 }
3876 else
3877 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3878 if (logged_in) {
3879 /* "authorize" or "reject" */
3880 xs *rel = NULL;
3881 xs *l = xs_split(cmd, "/");
3882 const char *md5 = xs_list_get(l, -2);
3883 const char *s_cmd = xs_list_get(l, -1);
3884
3885 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3886 xs *actor = NULL;
3887
3888 if (valid_status(object_get_by_md5(md5, &actor))) {
3889 const char *actor_id = xs_dict_get(actor, "id");
3890
3891 if (strcmp(s_cmd, "authorize") == 0) {
3892 xs *fwreq = pending_get(&snac, actor_id);
3893
3894 if (fwreq != NULL) {
3895 xs *reply = msg_accept(&snac, fwreq, actor_id);
3896
3897 enqueue_message(&snac, reply);
3898
3899 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3900 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3901 fwreq = xs_dict_set(fwreq, "published", date);
3902 }
3903
3904 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3905
3906 follower_add(&snac, actor_id);
3907
3908 pending_del(&snac, actor_id);
3909 rel = mastoapi_relationship(&snac, md5);
3910 }
3911 }
3912 else
3913 if (strcmp(s_cmd, "reject") == 0) {
3914 pending_del(&snac, actor_id);
3915 rel = mastoapi_relationship(&snac, md5);
3916 }
3917 }
3918 }
3919
3920 if (rel != NULL) {
3921 *body = xs_json_dumps(rel, 4);
3922 *ctype = "application/json";
3923 status = HTTP_STATUS_OK;
3924 }
3925 }
3926 }
3927 else
3928 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3929 if (logged_in) {
3930 xs *l = xs_split(cmd, "/");
3931 const char *i_tag = xs_list_get(l, 3);
3932 const char *cmd = xs_list_get(l, 4);
3933
3934 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3935
3936 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3937 int ok = 0;
3938
3939 xs *tag = xs_fmt("#%s", i_tag);
3940 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3941 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3942
3943 if (strcmp(cmd, "follow") == 0) {
3944 followed_hashtags = xs_list_append(followed_hashtags, tag);
3945 ok = 1;
3946 }
3947 else
3948 if (strcmp(cmd, "unfollow") == 0) {
3949 int off = xs_list_in(followed_hashtags, tag);
3950
3951 if (off != -1)
3952 followed_hashtags = xs_list_del(followed_hashtags, off);
3953
3954 ok = 1;
3955 }
3956
3957 if (ok) {
3958 /* update */
3959 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3960 user_persist(&snac, 0);
3961
3962 xs *d = xs_dict_new();
3963 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3964 d = xs_dict_set(d, "name", i_tag);
3965 d = xs_dict_set(d, "url", s);
3966 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3967
3968 *body = xs_json_dumps(d, 4);
3969 *ctype = "application/json";
3970 status = HTTP_STATUS_OK;
3971 }
3972 }
3973 }
3974 }
3975 else
3976 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3977
3978 /* user cleanup */
3979 if (logged_in)
3980 user_free(&snac);
3981
3982 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3983
3984 return status;
3985}
3986
3987
3988int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3989 const char *payload, int p_size,
3990 char **body, int *b_size, char **ctype)
3991{
3992 (void)p_size;
3993 (void)b_size;
3994 (void)ctype;
3995
3996 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3997 return 0;
3998
3999 int status = HTTP_STATUS_NOT_FOUND;
4000 xs *args = NULL;
4001 const char *i_ctype = xs_dict_get(req, "content-type");
4002
4003 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4004 if (!xs_is_null(payload))
4005 args = xs_json_loads(payload);
4006 }
4007 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4008 {
4009 // Some apps send form data instead of json so we should cater for those
4010 if (!xs_is_null(payload)) {
4011 args = xs_url_vars(payload);
4012 }
4013 }
4014 else
4015 args = xs_dup(xs_dict_get(req, "p_vars"));
4016
4017 if (args == NULL)
4018 return HTTP_STATUS_BAD_REQUEST;
4019
4020 snac snac = {0};
4021 int logged_in = process_auth_token(&snac, req);
4022
4023 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4024
4025 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
4026 // pretend we deleted it, since it doesn't exist anyway
4027 status = HTTP_STATUS_OK;
4028 }
4029 else
4030 if (xs_startswith(cmd, "/v1/lists/")) {
4031 if (logged_in) {
4032 xs *l = xs_split(cmd, "/");
4033 const char *p = xs_list_get(l, -1);
4034
4035 if (p) {
4036 if (strcmp(p, "accounts") == 0) {
4037 /* delete account from list */
4038 p = xs_list_get(l, -2);
4039 const xs_list *accts = xs_dict_get(args, "account_ids[]");
4040
4041 if (xs_is_null(accts))
4042 accts = xs_dict_get(args, "account_ids");
4043
4044 int c = 0;
4045 const char *v;
4046
4047 while (xs_list_next(accts, &v, &c)) {
4048 list_members(&snac, p, v, 2);
4049 }
4050 }
4051 else {
4052 /* delete list */
4053 if (xs_is_hex(p)) {
4054 list_maint(&snac, p, 2);
4055 }
4056 }
4057 }
4058
4059 *ctype = "application/json";
4060 status = HTTP_STATUS_OK;
4061 }
4062 else
4063 status = HTTP_STATUS_UNAUTHORIZED;
4064 }
4065 else
4066 if (xs_startswith(cmd, "/v1/statuses/")) {
4067 if (logged_in) {
4068 xs *l = xs_split(cmd, "/");
4069 const char *p = xs_list_get(l, -1);
4070 p = MID_TO_MD5(p);
4071
4072 xs *obj = NULL;
4073 if (valid_status(object_get_by_md5(p, &obj))) {
4074 const char *id = xs_dict_get(obj, "id");
4075
4076 if (xs_is_string(id) && is_msg_mine(&snac, id)) {
4077 xs *out = mastoapi_status(&snac, obj);
4078
4079 xs *msg = msg_delete(&snac, id);
4080
4081 enqueue_message(&snac, msg);
4082
4083 timeline_del(&snac, id);
4084
4085 draft_del(&snac, id);
4086
4087 schedule_del(&snac, id);
4088
4089 snac_log(&snac, xs_fmt("deleted entry %s", id));
4090
4091 *body = xs_json_dumps(out, 4);
4092 *ctype = "application/json";
4093 status = HTTP_STATUS_OK;
4094 }
4095 }
4096 }
4097 else
4098 status = HTTP_STATUS_UNAUTHORIZED;
4099 }
4100
4101 /* user cleanup */
4102 if (logged_in)
4103 user_free(&snac);
4104
4105 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
4106
4107 return status;
4108}
4109
4110
4111int mastoapi_put_handler(const xs_dict *req, const char *q_path,
4112 const char *payload, int p_size,
4113 char **body, int *b_size, char **ctype)
4114{
4115 (void)p_size;
4116 (void)b_size;
4117
4118 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
4119 return 0;
4120
4121 int status = HTTP_STATUS_NOT_FOUND;
4122 xs *args = NULL;
4123 const char *i_ctype = xs_dict_get(req, "content-type");
4124
4125 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4126 if (!xs_is_null(payload))
4127 args = xs_json_loads(payload);
4128 }
4129 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4130 {
4131 // Some apps send form data instead of json so we should cater for those
4132 if (!xs_is_null(payload)) {
4133 args = xs_url_vars(payload);
4134 }
4135 }
4136 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4137 {
4138 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4139 args = xs_dup(xs_dict_get(req, "p_vars"));
4140 }
4141
4142 /* if args still NULL, try falling back to p_vars or q_vars */
4143 if (args == NULL)
4144 args = xs_dup(xs_dict_get(req, "p_vars"));
4145
4146 if (args == NULL)
4147 args = xs_dup(xs_dict_get(req, "q_vars"));
4148
4149 if (args == NULL) {
4150 srv_debug(1, xs_fmt("mastoapi_put_handler: failed to parse args for %s, content-type: %s",
4151 q_path, i_ctype ? i_ctype : "(null)"));
4152 return HTTP_STATUS_BAD_REQUEST;
4153 }
4154
4155 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4156
4157 snac snac = {0};
4158 int logged_in = process_auth_token(&snac, req);
4159
4160 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
4161 if (logged_in) {
4162 xs *l = xs_split(cmd, "/");
4163 const char *stid = xs_list_get(l, 3);
4164
4165 if (!xs_is_null(stid)) {
4166 const char *desc = xs_dict_get(args, "description");
4167
4168 /* set the image metadata */
4169 static_put_meta(&snac, stid, desc);
4170
4171 /* prepare a response */
4172 xs *rsp = xs_dict_new();
4173 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
4174
4175 rsp = xs_dict_append(rsp, "id", stid);
4176 rsp = xs_dict_append(rsp, "type", "image");
4177 rsp = xs_dict_append(rsp, "url", url);
4178 rsp = xs_dict_append(rsp, "preview_url", url);
4179 rsp = xs_dict_append(rsp, "remote_url", url);
4180 rsp = xs_dict_append(rsp, "description", desc);
4181
4182 *body = xs_json_dumps(rsp, 4);
4183 *ctype = "application/json";
4184 status = HTTP_STATUS_OK;
4185 }
4186 }
4187 else
4188 status = HTTP_STATUS_UNAUTHORIZED;
4189 }
4190 else
4191 if (xs_startswith(cmd, "/v1/statuses")) {
4192 if (logged_in) {
4193 xs *l = xs_split(cmd, "/");
4194 const char *mid = xs_list_get(l, 3);
4195
4196 if (!xs_is_null(mid)) {
4197 const char *md5 = MID_TO_MD5(mid);
4198 xs *rsp = NULL;
4199 xs *msg = NULL;
4200
4201 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
4202 const char *content = xs_dict_get(args, "status");
4203 xs *atls = xs_list_new();
4204 xs *f_content = not_really_markdown(content, &atls, NULL);
4205
4206 /* replace fields with new content */
4207 msg = xs_dict_set(msg, "sourceContent", content);
4208 msg = xs_dict_set(msg, "content", f_content);
4209
4210 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
4211 msg = xs_dict_set(msg, "updated", updated);
4212
4213 /* overwrite object, not updating the indexes */
4214 object_add_ow(xs_dict_get(msg, "id"), msg);
4215
4216 /* update message */
4217 xs *c_msg = msg_update(&snac, msg);
4218
4219 enqueue_message(&snac, c_msg);
4220
4221 rsp = mastoapi_status(&snac, msg);
4222 }
4223
4224 if (rsp != NULL) {
4225 *body = xs_json_dumps(rsp, 4);
4226 *ctype = "application/json";
4227 status = HTTP_STATUS_OK;
4228 }
4229 }
4230 }
4231 else
4232 status = HTTP_STATUS_UNAUTHORIZED;
4233 }
4234
4235 /* user cleanup */
4236 if (logged_in)
4237 user_free(&snac);
4238
4239 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
4240
4241 return status;
4242}
4243
4244void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
4245/* Store header or avatar */
4246{
4247 if (data != NULL) {
4248 if (xs_type(data) == XSTYPE_LIST) {
4249 const char *fn = xs_list_get(data, 0);
4250
4251 if (fn && *fn) {
4252 const char *ext = strrchr(fn, '.');
4253
4254 /* Mona iOS sends always jpg as application/octet-stream with no filename */
4255 if (ext == NULL || strcmp(fn, key) == 0) {
4256 ext = ".jpg";
4257 }
4258
4259 /* Make sure we have a unique file name, otherwise updated images will not be
4260 * re-loaded by clients. */
4261 xs *rnd = random_str();
4262 xs *hash = xs_md5_hex(rnd, strlen(rnd));
4263 xs *id = xs_fmt("%s%s", hash, ext);
4264 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
4265 int fo = xs_number_get(xs_list_get(data, 1));
4266 int fs = xs_number_get(xs_list_get(data, 2));
4267
4268 /* store */
4269 static_put(snac, id, payload + fo, fs);
4270
4271 snac->config = xs_dict_set(snac->config, key, url);
4272 }
4273 }
4274 }
4275}
4276
4277int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
4278 const char *payload, int p_size,
4279 char **body, int *b_size, char **ctype)
4280/* Handle profile updates */
4281{
4282 (void)p_size;
4283 (void)b_size;
4284
4285 if (!xs_startswith(q_path, "/api/v1/"))
4286 return 0;
4287
4288 int status = HTTP_STATUS_NOT_FOUND;
4289 xs *args = NULL;
4290 const char *i_ctype = xs_dict_get(req, "content-type");
4291
4292 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4293 if (!xs_is_null(payload))
4294 args = xs_json_loads(payload);
4295 }
4296 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4297 {
4298 // Some apps send form data instead of json so we should cater for those
4299 if (!xs_is_null(payload)) {
4300 args = xs_url_vars(payload);
4301 }
4302 }
4303 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4304 {
4305 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4306 args = xs_dup(xs_dict_get(req, "p_vars"));
4307 }
4308
4309 /* if args still NULL, try falling back to p_vars or q_vars */
4310 if (args == NULL)
4311 args = xs_dup(xs_dict_get(req, "p_vars"));
4312
4313 if (args == NULL)
4314 args = xs_dup(xs_dict_get(req, "q_vars"));
4315
4316 if (args == NULL) {
4317 srv_debug(1, xs_fmt("mastoapi_patch_handler: failed to parse args for %s, content-type: %s",
4318 q_path, i_ctype ? i_ctype : "(null)"));
4319 return HTTP_STATUS_BAD_REQUEST;
4320 }
4321
4322 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4323
4324 snac snac = {0};
4325 int logged_in = process_auth_token(&snac, req);
4326
4327 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) { /** **/
4328 /* Update user profile fields */
4329 if (logged_in) {
4330 int c = 0;
4331 const xs_str *k;
4332 const xs_val *v;
4333 const xs_str *field_name = NULL;
4334 xs *new_fields = xs_dict_new();
4335 while (xs_dict_next(args, &k, &v, &c)) {
4336 if (strcmp(k, "display_name") == 0) {
4337 if (v != NULL)
4338 snac.config = xs_dict_set(snac.config, "name", v);
4339 }
4340 else
4341 if (strcmp(k, "note") == 0) {
4342 if (v != NULL)
4343 snac.config = xs_dict_set(snac.config, "bio", v);
4344 }
4345 else
4346 if (strcmp(k, "bot") == 0) {
4347 if (v != NULL)
4348 snac.config = xs_dict_set(snac.config, "bot",
4349 (strcmp(v, "true") == 0 ||
4350 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4351 }
4352 else
4353 if (strcmp(k, "source[sensitive]") == 0) {
4354 if (v != NULL)
4355 snac.config = xs_dict_set(snac.config, "cw",
4356 strcmp(v, "true") == 0 ? "open" : "");
4357 }
4358 else
4359 if (strcmp(k, "source[privacy]") == 0) {
4360 if (v != NULL)
4361 snac.config = xs_dict_set(snac.config, "private",
4362 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4363 }
4364 else
4365 if (strcmp(k, "header") == 0) {
4366 persist_image("header", v, payload, &snac);
4367 }
4368 else
4369 if (strcmp(k, "avatar") == 0) {
4370 persist_image("avatar", v, payload, &snac);
4371 }
4372 else
4373 if (xs_between("fields_attributes", k, "[name]")) {
4374 field_name = strcmp(v, "") != 0 ? v : NULL;
4375 }
4376 else
4377 if (xs_between("fields_attributes", k, "[value]")) {
4378 if (field_name != NULL) {
4379 new_fields = xs_dict_set(new_fields, field_name, v);
4380 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
4381 }
4382 }
4383 else
4384 if (strcmp(k, "locked") == 0) {
4385 snac.config = xs_dict_set(snac.config, "approve_followers",
4386 xs_stock(strcmp(v, "true") == 0 ? XSTYPE_TRUE : XSTYPE_FALSE));
4387 }
4388 /* we don't have support for the following options, yet
4389 - discoverable (0/1)
4390 */
4391 }
4392
4393 /* Persist profile */
4394 if (user_persist(&snac, 1) == 0)
4395 credentials_get(body, ctype, &status, snac);
4396 else
4397 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
4398 }
4399 else
4400 status = HTTP_STATUS_UNAUTHORIZED;
4401 }
4402
4403 /* user cleanup */
4404 if (logged_in)
4405 user_free(&snac);
4406
4407 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
4408
4409 return status;
4410}
4411
4412
4413void mastoapi_purge(void)
4414{
4415 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
4416 xs *files = xs_glob(spec, 1, 0);
4417 xs_list *p = files;
4418 const xs_str *v;
4419
4420 time_t mt = time(NULL) - 3600;
4421
4422 while (xs_list_iter(&p, &v)) {
4423 xs *cid = xs_replace(v, ".json", "");
4424 xs *fn = _app_fn(cid);
4425
4426 if (mtime(fn) < mt) {
4427 /* get the app */
4428 xs *app = app_get(cid);
4429
4430 if (app) {
4431 /* old apps with no uid are incomplete cruft */
4432 const char *uid = xs_dict_get(app, "uid");
4433
4434 if (xs_is_null(uid) || *uid == '\0') {
4435 unlink(fn);
4436 srv_debug(2, xs_fmt("purged %s", fn));
4437 }
4438 }
4439 }
4440 }
4441}
4442
4443
4444#endif /* #ifndef NO_MASTODON_API */
