2.87
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
1463 acct = xs_dict_append(acct, "locked",
1464 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1465
1466 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1467 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1468
1469 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1470 "\"follow_requests_count\": 0,"
1471 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1472 /* some apps take the note from the source object */
1473 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1474 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1475
1476 const xs_str *cw = xs_dict_get(snac.config, "cw");
1477 src = xs_dict_set(src, "sensitive",
1478 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1479
1480 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1481
1482 xs *avatar = NULL;
1483 const char *av = xs_dict_get(snac.config, "avatar");
1484
1485 if (xs_is_null(av) || *av == '\0')
1486 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1487 else
1488 avatar = xs_dup(av);
1489
1490 acct = xs_dict_append(acct, "avatar", avatar);
1491 acct = xs_dict_append(acct, "avatar_static", avatar);
1492
1493 xs *header = NULL;
1494 const char *hd = xs_dict_get(snac.config, "header");
1495
1496 if (!xs_is_null(hd))
1497 header = xs_dup(hd);
1498 else
1499 header = xs_str_new(NULL);
1500
1501 acct = xs_dict_append(acct, "header", header);
1502 acct = xs_dict_append(acct, "header_static", header);
1503
1504 xs *metadata = NULL;
1505 const xs_dict *md = xs_dict_get(snac.config, "metadata");
1506
1507 if (xs_is_dict(md))
1508 metadata = xs_dup(md);
1509 else
1510 if (xs_is_string(md)) {
1511 metadata = xs_dict_new();
1512 xs *l = xs_split(md, "\n");
1513 const char *ll;
1514
1515 xs_list_foreach(l, ll) {
1516 xs *kv = xs_split_n(ll, "=", 1);
1517 const char *k = xs_list_get(kv, 0);
1518 const char *v = xs_list_get(kv, 1);
1519
1520 if (k && v) {
1521 xs *kk = xs_strip_i(xs_dup(k));
1522 xs *vv = xs_strip_i(xs_dup(v));
1523 metadata = xs_dict_set(metadata, kk, vv);
1524 }
1525 }
1526 }
1527
1528 if (xs_is_dict(metadata)) {
1529 xs *fields = xs_list_new();
1530 const xs_str *k;
1531 const xs_str *v;
1532
1533 xs_dict *val_links = snac.links;
1534 if (xs_is_null(val_links))
1535 val_links = xs_stock(XSTYPE_DICT);
1536
1537 int c = 0;
1538 while (xs_dict_next(metadata, &k, &v, &c)) {
1539 xs *val_date = NULL;
1540
1541 const xs_number *verified_time = xs_dict_get(val_links, v);
1542 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1543 time_t t = xs_number_get(verified_time);
1544
1545 if (t > 0)
1546 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1547 }
1548
1549 xs *d = xs_dict_new();
1550
1551 d = xs_dict_append(d, "name", k);
1552 d = xs_dict_append(d, "value", v);
1553 d = xs_dict_append(d, "verified_at",
1554 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1555
1556 fields = xs_list_append(fields, d);
1557 }
1558
1559 acct = xs_dict_set(acct, "fields", fields);
1560 /* some apps take the fields from the source object */
1561 src = xs_dict_set(src, "fields", fields);
1562 }
1563
1564 acct = xs_dict_append(acct, "source", src);
1565 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1566 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1567 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1568
1569 /* does this user want to publish their contact metrics? */
1570 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1571 int fwing = following_list_len(&snac);
1572 int fwers = follower_list_len(&snac);
1573 xs *ni = xs_number_new(fwing);
1574 xs *ne = xs_number_new(fwers);
1575
1576 acct = xs_dict_append(acct, "followers_count", ne);
1577 acct = xs_dict_append(acct, "following_count", ni);
1578 }
1579
1580 *body = xs_json_dumps(acct, 4);
1581 *ctype = "application/json";
1582 *status = HTTP_STATUS_OK;
1583}
1584
1585
1586xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1587{
1588 xs_list *out = xs_list_new();
1589 FILE *f;
1590 char md5[MD5_HEX_SIZE];
1591
1592 if (dbglevel) {
1593 xs *js = xs_json_dumps(args, 0);
1594 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1595 }
1596
1597 if ((f = fopen(index_fn, "r")) == NULL)
1598 return out;
1599
1600 const char *o_max_id = xs_dict_get(args, "max_id");
1601 const char *o_since_id = xs_dict_get(args, "since_id");
1602 const char *o_min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1603 const char *limit_s = xs_dict_get(args, "limit");
1604 int (*iterator)(FILE *, char *);
1605 int initial_status = 0;
1606 int ascending = 0;
1607 int limit = 0;
1608 int cnt = 0;
1609
1610 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1611 xs *since_id = o_since_id ? xs_tolower_i(xs_dup(o_since_id)) : NULL;
1612 xs *min_id = o_min_id ? xs_tolower_i(xs_dup(o_min_id)) : NULL;
1613
1614 if (!xs_is_null(limit_s))
1615 limit = atoi(limit_s);
1616
1617 if (limit == 0)
1618 limit = 20;
1619
1620 if (min_id) {
1621 iterator = &index_asc_next;
1622 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1623 ascending = 1;
1624 }
1625 else {
1626 iterator = &index_desc_next;
1627 initial_status = index_desc_first(f, md5, 0);
1628 }
1629
1630 xs_set entries;
1631 xs_set_init(&entries);
1632
1633 if (initial_status) {
1634 do {
1635 xs *msg = NULL;
1636
1637 /* only return entries older that max_id */
1638 if (max_id) {
1639 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1640 max_id = xs_free(max_id);
1641 if (ascending)
1642 break;
1643 }
1644 if (!ascending)
1645 continue;
1646 }
1647
1648 /* only returns entries newer than since_id */
1649 if (since_id) {
1650 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1651 if (!ascending)
1652 break;
1653 since_id = xs_free(since_id);
1654 }
1655 if (ascending)
1656 continue;
1657 }
1658
1659 /* get the entry */
1660 if (user) {
1661 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1662 continue;
1663 }
1664 else {
1665 if (!valid_status(object_get_by_md5(md5, &msg)))
1666 continue;
1667 }
1668
1669 /* discard non-Notes */
1670 const char *id = xs_dict_get(msg, "id");
1671 const char *type = xs_dict_get(msg, "type");
1672 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1673 continue;
1674
1675 if (id && is_instance_blocked(id))
1676 continue;
1677
1678 const char *from = NULL;
1679 if (strcmp(type, "Page") == 0)
1680 from = xs_dict_get(msg, "audience");
1681
1682 if (from == NULL)
1683 from = get_atto(msg);
1684
1685 if (from == NULL)
1686 continue;
1687
1688 if (user) {
1689 /* is this message from a person we don't follow? */
1690 if (strcmp(from, user->actor) && !following_check(user, from)) {
1691 /* discard if it was not boosted */
1692 xs *idx = object_announces(id);
1693
1694 if (xs_list_len(idx) == 0)
1695 continue;
1696 }
1697
1698 /* discard notes from muted morons */
1699 if (is_muted(user, from))
1700 continue;
1701
1702 /* discard hidden notes */
1703 if (is_hidden(user, id))
1704 continue;
1705 }
1706 else {
1707 /* skip non-public messages */
1708 if (!is_msg_public(msg))
1709 continue;
1710
1711 /* discard messages from private users */
1712 if (is_msg_from_private_user(msg))
1713 continue;
1714 }
1715
1716 /* if it has a name and it's not an object that may have one,
1717 it's a poll vote, so discard it */
1718 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1719 continue;
1720
1721 /* convert the Note into a Mastodon status */
1722 xs *st = mastoapi_status(user, msg);
1723
1724 if (st != NULL && xs_set_add(&entries, md5) == 1) {
1725 if (ascending)
1726 out = xs_list_insert(out, 0, st);
1727 else
1728 out = xs_list_append(out, st);
1729 cnt++;
1730 }
1731
1732 } while ((cnt < limit) && (*iterator)(f, md5));
1733 }
1734
1735 xs_set_free(&entries);
1736
1737 int more = index_desc_next(f, md5);
1738
1739 fclose(f);
1740
1741 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1742
1743 return out;
1744}
1745
1746
1747xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1748/* returns a Link header with paging information */
1749{
1750 xs_str *s = NULL;
1751
1752 if (xs_list_len(timeline) == 0)
1753 return NULL;
1754
1755 const xs_dict *first_st = xs_list_get(timeline, 0);
1756 const xs_dict *last_st = xs_list_get(timeline, -1);
1757 const char *first_id = xs_dict_get(first_st, "id");
1758 const char *last_id = xs_dict_get(last_st, "id");
1759 const char *host = xs_dict_get(srv_config, "host");
1760 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1761
1762 s = xs_fmt(
1763 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1764 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1765 protocol, host, endpoint, last_id,
1766 protocol, host, endpoint, first_id);
1767
1768 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1769
1770 return s;
1771}
1772
1773
1774xs_list *mastoapi_account_lists(snac *user, const char *uid)
1775/* returns the list of list an user is in */
1776{
1777 xs_list *out = xs_list_new();
1778 xs *actor_md5 = NULL;
1779 xs *lol = list_maint(user, NULL, 0);
1780
1781 if (uid) {
1782 if (!xs_is_hex(uid))
1783 actor_md5 = xs_md5_hex(uid, strlen(uid));
1784 else
1785 actor_md5 = xs_dup(uid);
1786 }
1787
1788 const xs_list *li;
1789 xs_list_foreach(lol, li) {
1790 const char *list_id = xs_list_get(li, 0);
1791 const char *list_title = xs_list_get(li, 1);
1792 if (uid) {
1793 xs *users = list_members(user, list_id, NULL, 0);
1794 if (xs_list_in(users, actor_md5) == -1)
1795 continue;
1796 }
1797
1798 xs *d = xs_dict_new();
1799
1800 d = xs_dict_append(d, "id", list_id);
1801 d = xs_dict_append(d, "title", list_title);
1802 d = xs_dict_append(d, "replies_policy", "list");
1803 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1804
1805 out = xs_list_append(out, d);
1806 }
1807
1808 return out;
1809}
1810
1811
1812int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1813 char **body, int *b_size, char **ctype, xs_str **link)
1814{
1815 (void)b_size;
1816
1817 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1818 return 0;
1819
1820 int status = HTTP_STATUS_NOT_FOUND;
1821 const xs_dict *args = xs_dict_get(req, "q_vars");
1822 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1823
1824 snac snac1 = {0};
1825 int logged_in = process_auth_token(&snac1, req);
1826
1827 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1828 if (logged_in) {
1829 credentials_get(body, ctype, &status, snac1);
1830 }
1831 else {
1832 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1833 }
1834 }
1835 else
1836 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1837 /* find if an account is followed, blocked, etc. */
1838 /* the account to get relationships about is in args "id[]" */
1839
1840 if (logged_in) {
1841 xs *res = xs_list_new();
1842 const char *md5 = xs_dict_get(args, "id[]");
1843
1844 if (xs_is_null(md5))
1845 md5 = xs_dict_get(args, "id");
1846
1847 if (!xs_is_null(md5)) {
1848 if (xs_type(md5) == XSTYPE_LIST)
1849 md5 = xs_list_get(md5, 0);
1850
1851 xs *rel = mastoapi_relationship(&snac1, md5);
1852
1853 if (rel != NULL)
1854 res = xs_list_append(res, rel);
1855 }
1856
1857 *body = xs_json_dumps(res, 4);
1858 *ctype = "application/json";
1859 status = HTTP_STATUS_OK;
1860 }
1861 else
1862 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1863 }
1864 else
1865 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1866 /* lookup an account */
1867 const char *acct = xs_dict_get(args, "acct");
1868
1869 if (!xs_is_null(acct)) {
1870 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1871 xs *l = xs_split_n(s, "@", 1);
1872 const char *uid = xs_list_get(l, 0);
1873 const char *host = xs_list_get(l, 1);
1874
1875 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1876 snac user;
1877
1878 if (user_open(&user, uid)) {
1879 xs *actor = msg_actor(&user);
1880 xs *macct = mastoapi_account(NULL, actor);
1881
1882 *body = xs_json_dumps(macct, 4);
1883 *ctype = "application/json";
1884 status = HTTP_STATUS_OK;
1885
1886 user_free(&user);
1887 }
1888 }
1889 }
1890 }
1891 else
1892 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1893 /* account-related information */
1894 xs *l = xs_split(cmd, "/");
1895 const char *uid = xs_list_get(l, 3);
1896 const char *opt = xs_list_get(l, 4);
1897
1898 if (uid != NULL) {
1899 snac snac2;
1900 xs *out = NULL;
1901 xs *actor = NULL;
1902
1903 if (logged_in && strcmp(uid, "familiar_followers") == 0) { /** **/
1904 /* familiar followers endpoint - return empty array */
1905 out = xs_list_new();
1906 }
1907 else
1908 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1909 /* search for accounts starting with q */
1910 const char *aq = xs_dict_get(args, "q");
1911
1912 if (!xs_is_null(aq)) {
1913 xs *q = xs_utf8_to_lower(aq);
1914 out = xs_list_new();
1915 xs *wing = following_list(&snac1);
1916 xs *wers = follower_list(&snac1);
1917 xs *ulst = user_list();
1918 xs_list *p;
1919 const xs_str *v;
1920 xs_set seen;
1921
1922 xs_set_init(&seen);
1923
1924 /* user relations */
1925 xs_list *lsts[] = { wing, wers, NULL };
1926 int n;
1927 for (n = 0; (p = lsts[n]) != NULL; n++) {
1928
1929 while (xs_list_iter(&p, &v)) {
1930 /* already seen? skip */
1931 if (xs_set_add(&seen, v) == 0)
1932 continue;
1933
1934 xs *actor = NULL;
1935
1936 if (valid_status(object_get(v, &actor))) {
1937 const char *uname = xs_dict_get(actor, "preferredUsername");
1938
1939 if (!xs_is_null(uname)) {
1940 xs *luname = xs_tolower_i(xs_dup(uname));
1941
1942 if (xs_startswith(luname, q)) {
1943 xs *acct = mastoapi_account(&snac1, actor);
1944
1945 out = xs_list_append(out, acct);
1946 }
1947 }
1948 }
1949 }
1950 }
1951
1952 /* local users */
1953 p = ulst;
1954 while (xs_list_iter(&p, &v)) {
1955 snac user;
1956
1957 /* skip this same user */
1958 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1959 continue;
1960
1961 /* skip if the uid does not start with the query */
1962 xs *v2 = xs_tolower_i(xs_dup(v));
1963 if (!xs_startswith(v2, q))
1964 continue;
1965
1966 if (user_open(&user, v)) {
1967 /* if it's not already seen, add it */
1968 if (xs_set_add(&seen, user.actor) == 1) {
1969 xs *actor = msg_actor(&user);
1970 xs *acct = mastoapi_account(&snac1, actor);
1971
1972 out = xs_list_append(out, acct);
1973 }
1974
1975 user_free(&user);
1976 }
1977 }
1978
1979 xs_set_free(&seen);
1980 }
1981 }
1982 else
1983 /* is it a local user? */
1984 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1985 if (opt == NULL) {
1986 /* account information */
1987 actor = msg_actor(&snac2);
1988 out = mastoapi_account(NULL, actor);
1989 }
1990 else
1991 if (strcmp(opt, "statuses") == 0) { /** **/
1992 if (logged_in || xs_type(xs_dict_get(snac2.config, "private")) == XSTYPE_FALSE) {
1993 /* the public list of posts of a user */
1994 const char *limit_s = xs_dict_get(args, "limit");
1995 const char *o_max_id = xs_dict_get(args, "max_id");
1996 int limit = limit_s ? atoi(limit_s) : 20;
1997 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1998
1999 srv_debug(1, xs_fmt("account statuses: max_id=%s limit=%d", max_id ? max_id : "(null)", limit));
2000
2001 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
2002 xs_list *p = timeline;
2003 const xs_str *v;
2004 xs_set seen;
2005 int cnt = 0;
2006 int skip_until_max = max_id != NULL;
2007
2008 out = xs_list_new();
2009 xs_set_init(&seen);
2010
2011 while (xs_list_iter(&p, &v) && cnt < limit) {
2012 xs *msg = NULL;
2013
2014 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
2015 const char *msg_id = xs_dict_get(msg, "id");
2016
2017 /* add only posts by the author */
2018 if (!xs_is_null(msg_id) &&
2019 strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
2020 is_msg_mine(&snac2, xs_dict_get(msg, "id")) && is_msg_public(msg)) {
2021
2022 /* if max_id is set, skip entries until we find it */
2023 if (skip_until_max) {
2024 xs *mid = mastoapi_id(msg);
2025 if (strcmp(mid, max_id) == 0) {
2026 skip_until_max = 0;
2027 srv_debug(2, xs_fmt("account statuses: found max_id, starting from next post"));
2028 }
2029 continue;
2030 }
2031
2032 /* deduplicate by message id */
2033 if (xs_set_add(&seen, msg_id) == 1) {
2034 xs *st = mastoapi_status(&snac2, msg);
2035
2036 if (st) {
2037 out = xs_list_append(out, st);
2038 cnt++;
2039 }
2040 }
2041 }
2042 }
2043 }
2044
2045 srv_debug(1, xs_fmt("account statuses: returning %d posts (requested %d)", cnt, limit));
2046 xs_set_free(&seen);
2047 }
2048 else
2049 status = HTTP_STATUS_UNAUTHORIZED;
2050 }
2051 else
2052 if (strcmp(opt, "featured_tags") == 0) {
2053 /* snac doesn't have features tags, yet? */
2054 /* implement empty response so apps like Tokodon don't show an error */
2055 out = xs_list_new();
2056 }
2057 else
2058 if (strcmp(opt, "following") == 0) {
2059 xs *wing = following_list(&snac1);
2060 out = xs_list_new();
2061 int c = 0;
2062 const char *v;
2063
2064 while (xs_list_next(wing, &v, &c)) {
2065 xs *actor = NULL;
2066
2067 if (valid_status(object_get(v, &actor))) {
2068 xs *acct = mastoapi_account(NULL, actor);
2069 out = xs_list_append(out, acct);
2070 }
2071 }
2072 }
2073 else
2074 if (strcmp(opt, "followers") == 0) {
2075 out = xs_list_new();
2076 }
2077 else
2078 if (strcmp(opt, "lists") == 0) {
2079 out = mastoapi_account_lists(&snac1, uid);
2080 }
2081 else
2082 if (strcmp(opt, "familiar_followers") == 0) {
2083 /* familiar followers - not implemented, return empty array */
2084 out = xs_list_new();
2085 }
2086
2087 user_free(&snac2);
2088 }
2089 else {
2090 /* try the uid as the md5 of a possibly loaded actor */
2091 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
2092 if (opt == NULL) {
2093 /* account information */
2094 out = mastoapi_account(&snac1, actor);
2095 }
2096 else
2097 if (strcmp(opt, "statuses") == 0) {
2098 /* fetch statuses from remote outbox */
2099 out = xs_list_new();
2100 const char *outbox_url = xs_dict_get(actor, "outbox");
2101
2102 if (!xs_is_null(outbox_url)) {
2103 /* extract query parameters */
2104 const char *limit_s = xs_dict_get(args, "limit");
2105 const char *exclude_replies_s = xs_dict_get(args, "exclude_replies");
2106 const char *o_max_id = xs_dict_get(args, "max_id");
2107
2108 int limit = 20;
2109 if (!xs_is_null(limit_s))
2110 limit = atoi(limit_s);
2111 if (limit == 0 || limit > 40)
2112 limit = 20;
2113
2114 int exclude_replies = !xs_is_null(exclude_replies_s) &&
2115 strcmp(exclude_replies_s, "true") == 0;
2116
2117 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2118 int skip_until_max = max_id != NULL;
2119
2120 srv_debug(1, xs_fmt("remote account statuses: fetching from %s (max_id=%s limit=%d)",
2121 outbox_url, max_id ? max_id : "(null)", limit));
2122
2123 /* fetch first page only - safer for memory on large instances */
2124 xs *outbox_collection = NULL;
2125 xs *first_page = NULL;
2126 const xs_list *items = get_collection_items(&snac1, outbox_url,
2127 &outbox_collection, &first_page);
2128
2129 int count = 0;
2130 int processed = 0;
2131
2132 if (!xs_is_null(items) && xs_type(items) == XSTYPE_LIST) {
2133 int total_items = xs_list_len(items);
2134 srv_debug(1, xs_fmt("remote account statuses: got %d items from outbox", total_items));
2135
2136 const xs_val *item;
2137
2138 xs_list_foreach(items, item) {
2139 processed++;
2140
2141 if (count >= limit)
2142 break;
2143
2144 const xs_dict *post = extract_post_from_item(item);
2145 if (!post)
2146 continue;
2147
2148 const char *post_type = xs_dict_get(post, "type");
2149 const char *in_reply_to = xs_dict_get(post, "inReplyTo");
2150
2151 /* apply filters */
2152 if (exclude_replies && !xs_is_null(in_reply_to))
2153 continue;
2154
2155 if (is_valid_post_type(post_type)) {
2156 /* store object locally so mastoapi_id() can generate valid IDs */
2157 const char *post_id = xs_dict_get(post, "id");
2158 if (!xs_is_null(post_id))
2159 object_add(post_id, post);
2160
2161 /* handle pagination with max_id */
2162 if (skip_until_max) {
2163 xs *mid = mastoapi_id(post);
2164 if (!xs_is_null(mid) && strcmp(mid, max_id) == 0) {
2165 skip_until_max = 0;
2166 srv_debug(2, xs_fmt("remote account statuses: found max_id at position %d", processed));
2167 }
2168 continue;
2169 }
2170
2171 /* pass logged-in user context to enable media proxying if configured */
2172 xs *st = mastoapi_status(&snac1, post);
2173 if (st) {
2174 out = xs_list_append(out, st);
2175 count++;
2176 }
2177 }
2178 }
2179 }
2180 else {
2181 srv_debug(1, xs_fmt("remote account statuses: no items found in outbox"));
2182 }
2183
2184 srv_debug(1, xs_fmt("remote account statuses: processed %d items, returning %d posts (requested %d)",
2185 processed, count, limit));
2186 }
2187 }
2188 else
2189 if (strcmp(opt, "featured_tags") == 0) {
2190 /* snac doesn't have features tags, yet? */
2191 /* implement empty response so apps like Tokodon don't show an error */
2192 out = xs_list_new();
2193 }
2194 else
2195 if (strcmp(opt, "lists") == 0) {
2196 out = mastoapi_account_lists(&snac1, uid);
2197 }
2198 else
2199 if (strcmp(opt, "familiar_followers") == 0) {
2200 /* familiar followers - not implemented, return empty array */
2201 out = xs_list_new();
2202 }
2203 }
2204 }
2205
2206 if (out != NULL) {
2207 *body = xs_json_dumps(out, 4);
2208 *ctype = "application/json";
2209 status = HTTP_STATUS_OK;
2210 }
2211 }
2212 }
2213 else
2214 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
2215 /* the private timeline */
2216 if (logged_in) {
2217 xs *ifn = user_index_fn(&snac1, "private");
2218 xs *out = mastoapi_timeline(&snac1, args, ifn);
2219
2220 *link = timeline_link_header("/api/v1/timelines/home", out);
2221
2222 *body = xs_json_dumps(out, 4);
2223 *ctype = "application/json";
2224 status = HTTP_STATUS_OK;
2225
2226 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
2227 }
2228 else {
2229 status = HTTP_STATUS_UNAUTHORIZED;
2230 }
2231 }
2232 else
2233 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
2234 /* the instance public timeline (public timelines for all users) */
2235 xs *ifn = instance_index_fn();
2236 xs *out = mastoapi_timeline(NULL, args, ifn);
2237
2238 *body = xs_json_dumps(out, 4);
2239 *ctype = "application/json";
2240 status = HTTP_STATUS_OK;
2241 }
2242 else
2243 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
2244 /* get the tag */
2245 xs *l = xs_split(cmd, "/");
2246 const char *tag = xs_list_get(l, -1);
2247
2248 xs *ifn = tag_fn(tag);
2249 xs *out = mastoapi_timeline(NULL, args, ifn);
2250
2251 *body = xs_json_dumps(out, 4);
2252 *ctype = "application/json";
2253 status = HTTP_STATUS_OK;
2254 }
2255 else
2256 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
2257 /* get the list id */
2258 if (logged_in) {
2259 xs *l = xs_split(cmd, "/");
2260 const char *list = xs_list_get(l, -1);
2261
2262 xs *ifn = list_timeline_fn(&snac1, list);
2263 xs *out = mastoapi_timeline(NULL, args, ifn);
2264
2265 *body = xs_json_dumps(out, 4);
2266 *ctype = "application/json";
2267 status = HTTP_STATUS_OK;
2268 }
2269 else
2270 status = HTTP_STATUS_MISDIRECTED_REQUEST;
2271 }
2272 else
2273 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
2274 /* TBD */
2275 *body = xs_dup("[]");
2276 *ctype = "application/json";
2277 status = HTTP_STATUS_OK;
2278 }
2279 else
2280 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
2281 if (logged_in) {
2282 xs *l = notify_list(&snac1, 0, 64);
2283 xs *out = xs_list_new();
2284 const char *v;
2285 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
2286 const xs_list *incl = xs_dict_get(args, "types[]");
2287 const char *min_id = xs_dict_get(args, "min_id");
2288 const char *max_id = xs_dict_get(args, "max_id");
2289 const char *limit = xs_dict_get(args, "limit");
2290 int limit_count = 0;
2291 if (xs_is_string(limit)) {
2292 limit_count = atoi(limit);
2293 }
2294
2295 if (dbglevel) {
2296 xs *js = xs_json_dumps(args, 0);
2297 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
2298 }
2299
2300 xs_list_foreach(l, v) {
2301 xs *noti = notify_get(&snac1, v);
2302
2303 if (noti == NULL)
2304 continue;
2305
2306 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2307
2308 const char *type = xs_dict_get(noti, "type");
2309 const char *utype = xs_dict_get(noti, "utype");
2310 const char *objid = xs_dict_get(noti, "objid");
2311 const char *id = xs_dict_get(noti, "id");
2312 const char *actid = xs_dict_get(noti, "actor");
2313
2314 int isEmoji = 0;
2315
2316 xs *fid = xs_replace(id, ".", "");
2317 xs *actor = NULL;
2318 xs *entry = NULL;
2319
2320 if (tag) {
2321 isEmoji = strcmp(xs_dict_get(tag, "type"), "Emoji") ? 0 : 1;
2322 }
2323
2324 if (!valid_status(actor_get(actid, &actor)))
2325 continue;
2326
2327 if (objid != NULL && !valid_status(object_get(objid, &entry)))
2328 continue;
2329
2330 if (is_hidden(&snac1, objid))
2331 continue;
2332
2333 if (max_id) {
2334 if (strcmp(fid, max_id) == 0)
2335 max_id = NULL;
2336
2337 continue;
2338 }
2339
2340 if (min_id) {
2341 if (strcmp(fid, min_id) <= 0) {
2342 continue;
2343 }
2344 }
2345
2346 /* convert the type */
2347 if (strcmp(type, "Like") == 0 && !isEmoji)
2348 type = "favourite";
2349 else
2350 if (isEmoji || strcmp(type, "EmojiReact") == 0)
2351 type = "reaction";
2352 else
2353 if (strcmp(type, "Announce") == 0)
2354 type = "reblog";
2355 else
2356 if (strcmp(type, "Follow") == 0)
2357 type = "follow";
2358 else
2359 if (strcmp(type, "Create") == 0)
2360 type = "mention";
2361 else
2362 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
2363 type = "poll";
2364 else
2365 continue;
2366
2367 /* excluded type? */
2368 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
2369 continue;
2370
2371 /* included type? */
2372 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
2373 continue;
2374
2375 xs *mn = xs_dict_new();
2376
2377 mn = xs_dict_append(mn, "type", type);
2378
2379 mn = xs_dict_append(mn, "id", fid);
2380
2381 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
2382
2383 xs *acct = mastoapi_account(&snac1, actor);
2384
2385 if (acct == NULL)
2386 continue;
2387
2388 mn = xs_dict_append(mn, "account", acct);
2389
2390 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
2391 xs *st = mastoapi_status(&snac1, entry);
2392
2393 if (st) {
2394 mn = xs_dict_append(mn, "status", st);
2395
2396 if (strcmp(type, "reaction") == 0 && !xs_is_null(objid)) {
2397 const char *eid = NULL;
2398 const char *url = NULL;
2399 int utf = 0;
2400
2401 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2402 const char *content = xs_dict_get_path(noti, "msg.content");
2403
2404 url = xs_dict_get(xs_dict_get(tag, "icon"), "url");
2405 eid = xs_dict_get(tag, "name");
2406
2407 if (eid && url) {
2408 mn = xs_dict_append(mn, "emoji", eid);
2409 mn = xs_dict_append(mn, "emoji_url", url);
2410 }
2411
2412 if (xs_is_emoji((utf = xs_utf8_dec(&content)))) {
2413 xs *s1 = xs_fmt("&#%d;", utf);
2414 mn = xs_dict_append(mn, "name", s1);
2415 }
2416 }
2417 }
2418 }
2419
2420 out = xs_list_append(out, mn);
2421
2422 if (--limit_count <= 0)
2423 break;
2424 }
2425
2426 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
2427
2428 *body = xs_json_dumps(out, 4);
2429 *ctype = "application/json";
2430 status = HTTP_STATUS_OK;
2431 }
2432 else
2433 status = HTTP_STATUS_UNAUTHORIZED;
2434 }
2435 else
2436 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2437 /* snac will never have filters */
2438 *body = xs_dup("[]");
2439 *ctype = "application/json";
2440 status = HTTP_STATUS_OK;
2441 }
2442 else
2443 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2444 /* snac will never have filters
2445 * but still, without a v2 endpoint a short delay is introduced
2446 * in some apps */
2447 *body = xs_dup("[]");
2448 *ctype = "application/json";
2449 status = HTTP_STATUS_OK;
2450 }
2451 else
2452 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2453 /* snac will never support a list of favourites */
2454 *body = xs_dup("[]");
2455 *ctype = "application/json";
2456 status = HTTP_STATUS_OK;
2457 }
2458 else
2459 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2460 if (logged_in) {
2461 xs *ifn = bookmark_index_fn(&snac1);
2462 xs *out = mastoapi_timeline(&snac1, args, ifn);
2463
2464 *body = xs_json_dumps(out, 4);
2465 *ctype = "application/json";
2466 status = HTTP_STATUS_OK;
2467 }
2468 else
2469 status = HTTP_STATUS_UNAUTHORIZED;
2470 }
2471 else
2472 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2473 if (logged_in) {
2474 xs *l = mastoapi_account_lists(&snac1, NULL);
2475
2476 *body = xs_json_dumps(l, 4);
2477 *ctype = "application/json";
2478 status = HTTP_STATUS_OK;
2479 }
2480 else
2481 status = HTTP_STATUS_UNAUTHORIZED;
2482 }
2483 else
2484 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2485 if (logged_in) {
2486 xs *l = xs_split(cmd, "/");
2487 const char *p = xs_list_get(l, -1);
2488
2489 if (p) {
2490 if (strcmp(p, "accounts") == 0) {
2491 p = xs_list_get(l, -2);
2492
2493 if (p && xs_is_hex(p)) {
2494 xs *actors = list_members(&snac1, p, NULL, 0);
2495 xs *out = xs_list_new();
2496 int c = 0;
2497 const char *v;
2498
2499 while (xs_list_next(actors, &v, &c)) {
2500 xs *actor = NULL;
2501
2502 if (valid_status(object_get_by_md5(v, &actor))) {
2503 xs *acct = mastoapi_account(&snac1, actor);
2504 out = xs_list_append(out, acct);
2505 }
2506 }
2507
2508 *body = xs_json_dumps(out, 4);
2509 *ctype = "application/json";
2510 status = HTTP_STATUS_OK;
2511 }
2512 }
2513 else
2514 if (xs_is_hex(p)) {
2515 xs *out = xs_list_new();
2516 xs *lol = list_maint(&snac1, NULL, 0);
2517 int c = 0;
2518 const xs_list *v;
2519
2520 while (xs_list_next(lol, &v, &c)) {
2521 const char *id = xs_list_get(v, 0);
2522
2523 if (id && strcmp(id, p) == 0) {
2524 xs *d = xs_dict_new();
2525
2526 d = xs_dict_append(d, "id", p);
2527 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2528 d = xs_dict_append(d, "replies_policy", "list");
2529 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2530
2531 out = xs_dup(d);
2532 break;
2533 }
2534 }
2535
2536 *body = xs_json_dumps(out, 4);
2537 *ctype = "application/json";
2538 status = HTTP_STATUS_OK;
2539 }
2540 }
2541 }
2542 else
2543 status = HTTP_STATUS_UNAUTHORIZED;
2544 }
2545 else
2546 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2547 /* TBD */
2548 *body = xs_dup("[]");
2549 *ctype = "application/json";
2550 status = HTTP_STATUS_OK;
2551 }
2552 else
2553 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2554 if (logged_in) {
2555 xs *pend = pending_list(&snac1);
2556 xs *resp = xs_list_new();
2557 const char *id;
2558
2559 xs_list_foreach(pend, id) {
2560 xs *actor = NULL;
2561
2562 if (valid_status(object_get(id, &actor))) {
2563 xs *acct = mastoapi_account(&snac1, actor);
2564
2565 if (acct)
2566 resp = xs_list_append(resp, acct);
2567 }
2568 }
2569
2570 *body = xs_json_dumps(resp, 4);
2571 *ctype = "application/json";
2572 status = HTTP_STATUS_OK;
2573 }
2574 }
2575 else
2576 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2577 if (logged_in) {
2578 xs *resp = xs_list_new();
2579 double la = 0.0;
2580 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2581 if (user_la != NULL)
2582 la = xs_number_get(user_la);
2583 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2584
2585 /* contrary to html, we always send the announcement and set the read flag instead */
2586
2587 const t_announcement *annce = announcement(la);
2588 if (annce != NULL && annce->text != NULL) {
2589 xs *an = xs_dict_new();
2590 xs *id = xs_fmt("%d", annce->timestamp);
2591 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2592
2593 an = xs_dict_set(an, "id", id);
2594 an = xs_dict_set(an, "content", ct);
2595 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2596 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2597 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2598 an = xs_dict_set(an, "published_at", val_date);
2599 an = xs_dict_set(an, "updated_at", val_date);
2600 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2601 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2602 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2603 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2604 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2605 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2606 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2607 resp = xs_list_append(resp, an);
2608 }
2609
2610 *body = xs_json_dumps(resp, 4);
2611 *ctype = "application/json";
2612 status = HTTP_STATUS_OK;
2613 }
2614 }
2615 else
2616 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2617 xs *emo = emojis();
2618 xs *list = xs_list_new();
2619 int c = 0;
2620 const xs_str *k;
2621 const xs_val *v;
2622 while(xs_dict_next(emo, &k, &v, &c)) {
2623 xs *current = xs_dict_new();
2624 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2625 /* remove first and last colon */
2626 xs *shortcode = xs_replace(k, ":", "");
2627 current = xs_dict_append(current, "shortcode", shortcode);
2628 current = xs_dict_append(current, "url", v);
2629 current = xs_dict_append(current, "static_url", v);
2630 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2631 list = xs_list_append(list, current);
2632 }
2633 }
2634 *body = xs_json_dumps(list, 0);
2635 *ctype = "application/json";
2636 status = HTTP_STATUS_OK;
2637 }
2638 else
2639 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2640 /* returns an instance object */
2641 xs *ins = xs_dict_new();
2642 const char *host = xs_dict_get(srv_config, "host");
2643 const char *title = xs_dict_get(srv_config, "title");
2644 const char *sdesc = xs_dict_get(srv_config, "short_description");
2645
2646 ins = xs_dict_append(ins, "uri", host);
2647 ins = xs_dict_append(ins, "domain", host);
2648 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2649 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2650 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2651 ins = xs_dict_append(ins, "description", host);
2652
2653 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2654
2655 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2656 ins = xs_dict_append(ins, "thumbnail", susie);
2657
2658 const char *v = xs_dict_get(srv_config, "admin_email");
2659 if (xs_is_null(v) || *v == '\0')
2660 v = "admin@localhost";
2661
2662 ins = xs_dict_append(ins, "email", v);
2663
2664 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2665
2666 xs *l1 = xs_list_append(xs_list_new(), "en");
2667 ins = xs_dict_append(ins, "languages", l1);
2668
2669 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2670 xs *urls = xs_dict_new();
2671 urls = xs_dict_append(urls, "streaming_api", wss);
2672
2673 ins = xs_dict_append(ins, "urls", urls);
2674
2675 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2676 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2677 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2678 ins = xs_dict_append(ins, "stats", d2);
2679
2680 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2681 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2682 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2683
2684 xs *cfg = xs_dict_new();
2685
2686 {
2687 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2688 "\"max_characters\":100000,\"max_media_attachments\":4}");
2689
2690 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2691 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2692 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2693
2694 cfg = xs_dict_append(cfg, "statuses", d11);
2695
2696 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2697 cfg = xs_dict_append(cfg, "accounts", d12);
2698
2699 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2700 "\"image_size_limit\":16777216,"
2701 "\"video_frame_rate_limit\":120,"
2702 "\"video_matrix_limit\":8294400,"
2703 "\"video_size_limit\":103809024}"
2704 );
2705
2706 {
2707 /* get the supported mime types from the internal list */
2708 const char **p = xs_mime_types;
2709 xs_set mtypes;
2710 xs_set_init(&mtypes);
2711
2712 while (*p) {
2713 const char *type = p[1];
2714
2715 if (xs_startswith(type, "image/") ||
2716 xs_startswith(type, "video/") ||
2717 xs_startswith(type, "audio/"))
2718 xs_set_add(&mtypes, type);
2719
2720 p += 2;
2721 }
2722
2723 xs *l = xs_set_result(&mtypes);
2724 d13 = xs_dict_append(d13, "supported_mime_types", l);
2725 }
2726
2727 cfg = xs_dict_append(cfg, "media_attachments", d13);
2728
2729 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2730 "\"max_expiration\":2629746,"
2731 "\"max_options\":8,\"min_expiration\":300}");
2732 cfg = xs_dict_append(cfg, "polls", d14);
2733
2734
2735 xs *d15 = xs_json_loads("{\"max_reactions\":50}");
2736 cfg = xs_dict_append(cfg, "reactions", d15);
2737
2738 }
2739
2740 ins = xs_dict_append(ins, "configuration", cfg);
2741
2742 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2743
2744 if (!xs_is_null(admin_account) && *admin_account) {
2745 snac admin;
2746
2747 if (user_open(&admin, admin_account)) {
2748 xs *actor = msg_actor(&admin);
2749 xs *acct = mastoapi_account(NULL, actor);
2750
2751 ins = xs_dict_append(ins, "contact_account", acct);
2752
2753 user_free(&admin);
2754 }
2755 }
2756
2757 *body = xs_json_dumps(ins, 4);
2758 *ctype = "application/json";
2759 status = HTTP_STATUS_OK;
2760 }
2761 else
2762 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2763 /* get the collected inbox list as the instances "this domain is aware of" */
2764 xs *list = inbox_list();
2765 xs *peers = xs_list_new();
2766 const char *inbox;
2767
2768 xs_list_foreach(list, inbox) {
2769 xs *l = xs_split(inbox, "/");
2770 const char *domain = xs_list_get(l, 2);
2771
2772 if (xs_is_string(domain))
2773 peers = xs_list_append(peers, domain);
2774 }
2775
2776 *body = xs_json_dumps(peers, 4);
2777 *ctype = "application/json";
2778 status = HTTP_STATUS_OK;
2779 }
2780 else
2781 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2782 xs *d = xs_dict_new();
2783 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2784 time_t t = mtime(greeting);
2785 xs *updated_at = xs_str_iso_date(t);
2786 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2787
2788 d = xs_dict_set(d, "updated_at", updated_at);
2789 d = xs_dict_set(d, "content", content);
2790
2791 *body = xs_json_dumps(d, 4);
2792 *ctype = "application/json";
2793 status = HTTP_STATUS_OK;
2794 }
2795 else
2796 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2797 /* information about a status */
2798 if (logged_in) {
2799 xs *l = xs_split(cmd, "/");
2800 const char *oid = xs_list_get(l, 3);
2801 const char *op = xs_list_get(l, 4);
2802
2803 if (!xs_is_null(oid)) {
2804 xs *msg = NULL;
2805 xs *out = NULL;
2806
2807 /* skip the 'fake' part of the id */
2808 oid = MID_TO_MD5(oid);
2809
2810 xs *id = xs_tolower_i(xs_dup(oid));
2811
2812 if (valid_status(object_get_by_md5(id, &msg))) {
2813 if (op == NULL) {
2814 if (!is_muted(&snac1, get_atto(msg))) {
2815 /* return the status itself */
2816 out = mastoapi_status(&snac1, msg);
2817 }
2818 }
2819 else
2820 if (strcmp(op, "context") == 0) { /** **/
2821 /* return ancestors and children */
2822 xs *anc = xs_list_new();
2823 xs *des = xs_list_new();
2824 xs_list *p;
2825 const xs_str *v;
2826 char pid[MD5_HEX_SIZE];
2827
2828 /* build the [grand]parent list, moving up */
2829 strncpy(pid, id, sizeof(pid));
2830
2831 while (object_parent(pid, pid)) {
2832 xs *m2 = NULL;
2833
2834 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2835 xs *st = mastoapi_status(&snac1, m2);
2836
2837 if (st)
2838 anc = xs_list_insert(anc, 0, st);
2839 }
2840 else
2841 break;
2842 }
2843
2844 /* build the children list */
2845 xs *children = object_children(xs_dict_get(msg, "id"));
2846 p = children;
2847
2848 while (xs_list_iter(&p, &v)) {
2849 xs *m2 = NULL;
2850
2851 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2852 if (xs_is_null(xs_dict_get(m2, "name"))) {
2853 xs *st = mastoapi_status(&snac1, m2);
2854
2855 if (st)
2856 des = xs_list_append(des, st);
2857 }
2858 }
2859 }
2860
2861 out = xs_dict_new();
2862 out = xs_dict_append(out, "ancestors", anc);
2863 out = xs_dict_append(out, "descendants", des);
2864 }
2865 else
2866 if (strcmp(op, "reblogged_by") == 0 || /** **/
2867 strcmp(op, "favourited_by") == 0) { /** **/
2868 /* return the list of people who liked or boosted this */
2869 out = xs_list_new();
2870
2871 xs *l = NULL;
2872
2873 if (op[0] == 'r')
2874 l = object_announces(xs_dict_get(msg, "id"));
2875 else
2876 l = object_likes(xs_dict_get(msg, "id"));
2877
2878 xs_list *p = l;
2879 const xs_str *v;
2880
2881 while (xs_list_iter(&p, &v)) {
2882 xs *actor2 = NULL;
2883
2884 if (valid_status(object_get_by_md5(v, &actor2))) {
2885 xs *acct2 = mastoapi_account(&snac1, actor2);
2886
2887 out = xs_list_append(out, acct2);
2888 }
2889 }
2890 }
2891 else
2892 if (strcmp(op, "source") == 0) { /** **/
2893 out = xs_dict_new();
2894
2895 /* get the mastoapi status id */
2896 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2897
2898 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2899 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2900 }
2901 }
2902 else
2903 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2904
2905 if (out != NULL) {
2906 *body = xs_json_dumps(out, 4);
2907 *ctype = "application/json";
2908 status = HTTP_STATUS_OK;
2909 }
2910 }
2911 }
2912 else
2913 status = HTTP_STATUS_UNAUTHORIZED;
2914 }
2915 else
2916 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2917 /* TBD */
2918 *body = xs_dup("{}");
2919 *ctype = "application/json";
2920 status = HTTP_STATUS_OK;
2921 }
2922 else
2923 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2924 if (logged_in) {
2925 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2926 xs_str *json = NULL;
2927 if (!xs_is_null(timeline))
2928 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2929
2930 if (!xs_is_null(json))
2931 *body = json;
2932 else
2933 *body = xs_dup("{}");
2934
2935 *ctype = "application/json";
2936 status = HTTP_STATUS_OK;
2937 }
2938 else
2939 status = HTTP_STATUS_UNAUTHORIZED;
2940 }
2941 else
2942 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2943 if (logged_in) {
2944 xs *r = xs_list_new();
2945 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2946 "followed_hashtags", xs_stock(XSTYPE_LIST));
2947 const char *hashtag;
2948
2949 xs_list_foreach(followed_hashtags, hashtag) {
2950 if (*hashtag == '#') {
2951 xs *d = xs_dict_new();
2952 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2953
2954 d = xs_dict_set(d, "name", hashtag + 1);
2955 d = xs_dict_set(d, "url", s);
2956 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2957
2958 r = xs_list_append(r, d);
2959 }
2960 }
2961
2962 *body = xs_json_dumps(r, 4);
2963 *ctype = "application/json";
2964 status = HTTP_STATUS_OK;
2965 }
2966 else
2967 status = HTTP_STATUS_UNAUTHORIZED;
2968 }
2969 else
2970 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
2971 *body = xs_dup("[]");
2972 *ctype = "application/json";
2973 status = HTTP_STATUS_OK;
2974 }
2975 else
2976 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
2977 *body = xs_dup("[]");
2978 *ctype = "application/json";
2979 status = HTTP_STATUS_OK;
2980 }
2981 else
2982 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2983 *body = xs_dup("[]");
2984 *ctype = "application/json";
2985 status = HTTP_STATUS_OK;
2986 }
2987 else
2988 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2989 *body = xs_dup("[]");
2990 *ctype = "application/json";
2991 status = HTTP_STATUS_OK;
2992 }
2993 else
2994 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2995 if (logged_in) {
2996 const char *q = xs_dict_get(args, "q");
2997 const char *type = xs_dict_get(args, "type");
2998 const char *offset = xs_dict_get(args, "offset");
2999
3000 xs *acl = xs_list_new();
3001 xs *stl = xs_list_new();
3002 xs *htl = xs_list_new();
3003 xs *res = xs_dict_new();
3004
3005 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
3006 /* reply something only for offset 0; otherwise,
3007 apps like Tusky keep asking again and again */
3008 if (xs_startswith(q, "https://")) {
3009 if (!timeline_here(&snac1, q)) {
3010 xs *object = NULL;
3011 int status;
3012
3013 status = activitypub_request(&snac1, q, &object);
3014 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
3015
3016 if (valid_status(status)) {
3017 /* got it; also request the actor */
3018 const char *attr_to = get_atto(object);
3019 xs *actor_obj = NULL;
3020
3021 if (!xs_is_null(attr_to)) {
3022 status = actor_request(&snac1, attr_to, &actor_obj);
3023
3024 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
3025
3026 if (valid_status(status)) {
3027 /* add the actor */
3028 actor_add(attr_to, actor_obj);
3029
3030 /* add the post to the timeline */
3031 timeline_add(&snac1, q, object);
3032 }
3033 }
3034 }
3035 }
3036 }
3037
3038 if (!xs_is_null(q)) {
3039 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
3040 /* do a webfinger query */
3041 char *actor = NULL;
3042 char *user = NULL;
3043
3044 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
3045 xs *actor_o = NULL;
3046
3047 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
3048 xs *acct = mastoapi_account(NULL, actor_o);
3049
3050 acl = xs_list_append(acl, acct);
3051
3052 if (!object_here(actor))
3053 object_add(actor, actor_o);
3054 }
3055 }
3056 }
3057
3058 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
3059 /* search this tag */
3060 xs *tl = tag_search((char *)q, 0, 1);
3061
3062 if (xs_list_len(tl)) {
3063 xs *d = xs_dict_new();
3064
3065 d = xs_dict_append(d, "name", q);
3066 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
3067 d = xs_dict_append(d, "url", url);
3068 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
3069
3070 htl = xs_list_append(htl, d);
3071 }
3072 }
3073
3074 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
3075 int to = 0;
3076 int cnt = 40;
3077 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
3078 int c = 0;
3079 const char *v;
3080
3081 while (xs_list_next(tl, &v, &c) && --cnt) {
3082 xs *post = NULL;
3083
3084 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
3085 continue;
3086
3087 xs *s = mastoapi_status(&snac1, post);
3088
3089 if (!xs_is_null(s))
3090 stl = xs_list_append(stl, s);
3091 }
3092 }
3093 }
3094 }
3095
3096 res = xs_dict_append(res, "accounts", acl);
3097 res = xs_dict_append(res, "statuses", stl);
3098 res = xs_dict_append(res, "hashtags", htl);
3099
3100 *body = xs_json_dumps(res, 4);
3101 *ctype = "application/json";
3102 status = HTTP_STATUS_OK;
3103 }
3104 else
3105 status = HTTP_STATUS_UNAUTHORIZED;
3106 }
3107
3108 /* user cleanup */
3109 if (logged_in)
3110 user_free(&snac1);
3111
3112 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
3113
3114 return status;
3115}
3116
3117
3118int mastoapi_post_handler(const xs_dict *req, const char *q_path,
3119 const char *payload, int p_size,
3120 char **body, int *b_size, char **ctype)
3121{
3122 (void)p_size;
3123 (void)b_size;
3124
3125 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3126 return 0;
3127
3128 int status = HTTP_STATUS_NOT_FOUND;
3129 xs *args = NULL;
3130 const char *i_ctype = xs_dict_get(req, "content-type");
3131
3132 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3133 if (!xs_is_null(payload)) {
3134 args = xs_json_loads(payload);
3135 }
3136 }
3137 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3138 {
3139 // Some apps send form data instead of json so we should cater for those
3140 if (!xs_is_null(payload)) {
3141 args = xs_url_vars(payload);
3142 }
3143 }
3144 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
3145 {
3146 // Handle multipart/form-data by using p_vars (already parsed by httpd)
3147 args = xs_dup(xs_dict_get(req, "p_vars"));
3148 }
3149
3150 /* if args still NULL, try falling back to p_vars or q_vars */
3151 if (args == NULL)
3152 args = xs_dup(xs_dict_get(req, "p_vars"));
3153
3154 if (args == NULL)
3155 args = xs_dup(xs_dict_get(req, "q_vars"));
3156
3157 if (args == NULL) {
3158 srv_debug(1, xs_fmt("mastoapi_post_handler: failed to parse args for %s, content-type: %s",
3159 q_path, i_ctype ? i_ctype : "(null)"));
3160 return HTTP_STATUS_BAD_REQUEST;
3161 }
3162
3163 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3164
3165 snac snac = {0};
3166 int logged_in = process_auth_token(&snac, req);
3167
3168 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
3169 const char *name = xs_dict_get(args, "client_name");
3170 const char *ruri = xs_dict_get(args, "redirect_uris");
3171 const char *scope = xs_dict_get(args, "scope");
3172
3173 /* Ice Cubes sends these values as query parameters, so try these */
3174 if (name == NULL && ruri == NULL && scope == NULL) {
3175 args = xs_dup(xs_dict_get(req, "q_vars"));
3176 name = xs_dict_get(args, "client_name");
3177 ruri = xs_dict_get(args, "redirect_uris");
3178 scope = xs_dict_get(args, "scope");
3179 }
3180
3181 if (xs_type(ruri) == XSTYPE_LIST)
3182 ruri = xs_dict_get(ruri, 0);
3183
3184 if (name && ruri) {
3185 xs *app = xs_dict_new();
3186 xs *id = xs_replace_i(tid(0), ".", "");
3187 xs *csec = random_str();
3188 xs *vkey = xs_dup(xs_dict_get(srv_config, "vkey"));
3189 if (vkey == NULL)
3190 vkey = random_str();
3191
3192 xs *cid = NULL;
3193
3194 /* pick a non-existent random cid */
3195 for (;;) {
3196 cid = random_str();
3197 xs *p_app = app_get(cid);
3198
3199 if (p_app == NULL)
3200 break;
3201
3202 xs_free(cid);
3203 }
3204
3205 app = xs_dict_append(app, "name", name);
3206 app = xs_dict_append(app, "redirect_uri", ruri);
3207 app = xs_dict_append(app, "client_id", cid);
3208 app = xs_dict_append(app, "client_secret", csec);
3209 app = xs_dict_append(app, "vapid_key", vkey);
3210 app = xs_dict_append(app, "id", id);
3211
3212 *body = xs_json_dumps(app, 4);
3213 *ctype = "application/json";
3214 status = HTTP_STATUS_OK;
3215
3216 app = xs_dict_append(app, "code", "");
3217
3218 if (scope)
3219 app = xs_dict_append(app, "scope", scope);
3220
3221 app_add(cid, app);
3222
3223 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
3224 }
3225 }
3226 else
3227 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
3228 if (logged_in) {
3229 /* post a new Note */
3230 const char *content = xs_dict_get(args, "status");
3231 const char *mid = xs_dict_get(args, "in_reply_to_id");
3232 const char *visibility = xs_dict_get(args, "visibility");
3233 const char *summary = xs_dict_get(args, "spoiler_text");
3234 const char *media_ids = xs_dict_get(args, "media_ids");
3235 const char *language = xs_dict_get(args, "language");
3236
3237 if (xs_is_null(media_ids))
3238 media_ids = xs_dict_get(args, "media_ids[]");
3239
3240 if (xs_is_null(media_ids))
3241 media_ids = xs_dict_get(args, "media_ids");
3242
3243 if (xs_is_null(visibility))
3244 visibility = "public";
3245
3246 xs *attach_list = xs_list_new();
3247 xs *irt = NULL;
3248
3249 /* is it a reply? */
3250 if (mid != NULL) {
3251 xs *r_msg = NULL;
3252 const char *md5 = MID_TO_MD5(mid);
3253
3254 if (valid_status(object_get_by_md5(md5, &r_msg)))
3255 irt = xs_dup(xs_dict_get(r_msg, "id"));
3256 }
3257
3258 /* does it have attachments? */
3259 if (!xs_is_null(media_ids)) {
3260 xs *mi = NULL;
3261
3262 if (xs_type(media_ids) == XSTYPE_LIST)
3263 mi = xs_dup(media_ids);
3264 else {
3265 mi = xs_list_new();
3266 mi = xs_list_append(mi, media_ids);
3267 }
3268
3269 xs_list *p = mi;
3270 const xs_str *v;
3271
3272 while (xs_list_iter(&p, &v)) {
3273 xs *l = xs_list_new();
3274 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
3275 xs *desc = static_get_meta(&snac, v);
3276
3277 l = xs_list_append(l, url);
3278 l = xs_list_append(l, desc);
3279
3280 attach_list = xs_list_append(attach_list, l);
3281 }
3282 }
3283
3284 /* prepare the message */
3285 int scope = SCOPE_MENTIONED;
3286 if (strcmp(visibility, "unlisted") == 0)
3287 scope = SCOPE_UNLISTED;
3288 else
3289 if (strcmp(visibility, "public") == 0)
3290 scope = SCOPE_PUBLIC;
3291 else
3292 if (strcmp(visibility, "private") == 0)
3293 scope = SCOPE_FOLLOWERS;
3294
3295 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
3296
3297 if (!xs_is_null(summary) && *summary) {
3298 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
3299 msg = xs_dict_set(msg, "summary", summary);
3300 }
3301
3302 /* scheduled? */
3303 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
3304
3305 if (xs_is_string(scheduled_at) && *scheduled_at) {
3306 msg = xs_dict_set(msg, "published", scheduled_at);
3307
3308 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
3309 }
3310 else {
3311 /* store */
3312 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3313
3314 /* 'Create' message */
3315 xs *c_msg = msg_create(&snac, msg);
3316 enqueue_message(&snac, c_msg);
3317
3318 timeline_touch(&snac);
3319 }
3320
3321 /* convert to a mastodon status as a response code */
3322 xs *st = mastoapi_status(&snac, msg);
3323
3324 *body = xs_json_dumps(st, 4);
3325 *ctype = "application/json";
3326 status = HTTP_STATUS_OK;
3327 }
3328 else
3329 status = HTTP_STATUS_UNAUTHORIZED;
3330 }
3331 else
3332 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
3333 if (logged_in) {
3334 /* operations on a status */
3335 xs *l = xs_split(cmd, "/");
3336 const char *mid = xs_list_get(l, 3);
3337 const char *op = xs_list_get(l, 4);
3338
3339 if (!xs_is_null(mid)) {
3340 xs *msg = NULL;
3341 xs *out = NULL;
3342
3343 /* skip the 'fake' part of the id */
3344 mid = MID_TO_MD5(mid);
3345
3346 /* try timeline first, then global object store for remote posts */
3347 int found = valid_status(timeline_get_by_md5(&snac, mid, &msg));
3348 if (!found)
3349 found = valid_status(object_get_by_md5(mid, &msg));
3350
3351 if (found) {
3352 const char *id = xs_dict_get(msg, "id");
3353
3354 if (op == NULL) {
3355 /* no operation (?) */
3356 }
3357 else
3358 if (strcmp(op, "favourite") == 0) { /** **/
3359 xs *n_msg = msg_admiration(&snac, id, "Like");
3360
3361 if (n_msg != NULL) {
3362 enqueue_message(&snac, n_msg);
3363 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1, msg);
3364
3365 out = mastoapi_status(&snac, msg);
3366 }
3367 }
3368 else
3369 if (strcmp(op, "unfavourite") == 0) { /** **/
3370 xs *n_msg = msg_repulsion(&snac, id, "Like");
3371
3372 if (n_msg != NULL) {
3373 enqueue_message(&snac, n_msg);
3374
3375 out = mastoapi_status(&snac, msg);
3376 }
3377 }
3378 else
3379 if (strcmp(op, "react") == 0) { /** **/
3380 const char *eid = xs_list_get(l, 5);
3381 xs *n_msg = msg_emoji_init(&snac, id, eid);
3382 if (n_msg)
3383 out = mastoapi_status(&snac, n_msg);
3384 }
3385 else
3386 if (strcmp(op, "unreact") == 0) { /** **/
3387 const char *eid = xs_list_get(l, 5);
3388 xs *content = xs_fmt("%s", eid);
3389
3390 if (eid) {
3391 xs *n_msg = msg_emoji_unreact(&snac, id, content);
3392
3393 if (n_msg != NULL) {
3394 enqueue_message(&snac, n_msg);
3395
3396 out = mastoapi_status(&snac, msg);
3397 }
3398 }
3399 }
3400
3401 else
3402 if (strcmp(op, "reblog") == 0) { /** **/
3403 xs *n_msg = msg_admiration(&snac, id, "Announce");
3404
3405 if (n_msg != NULL) {
3406 enqueue_message(&snac, n_msg);
3407 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0, msg);
3408
3409 out = mastoapi_status(&snac, msg);
3410 }
3411 }
3412 else
3413 if (strcmp(op, "unreblog") == 0) { /** **/
3414 xs *n_msg = msg_repulsion(&snac, id, "Announce");
3415
3416 if (n_msg != NULL) {
3417 enqueue_message(&snac, n_msg);
3418
3419 out = mastoapi_status(&snac, msg);
3420 }
3421 }
3422 else
3423 if (strcmp(op, "bookmark") == 0) { /** **/
3424 /* bookmark this message */
3425 if (bookmark(&snac, id) == 0)
3426 out = mastoapi_status(&snac, msg);
3427 else
3428 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3429 }
3430 else
3431 if (strcmp(op, "unbookmark") == 0) { /** **/
3432 /* unbookmark this message */
3433 unbookmark(&snac, id);
3434 out = mastoapi_status(&snac, msg);
3435 }
3436 else
3437 if (strcmp(op, "pin") == 0) { /** **/
3438 /* pin this message */
3439 if (pin(&snac, id) == 0)
3440 out = mastoapi_status(&snac, msg);
3441 else
3442 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3443 }
3444 else
3445 if (strcmp(op, "unpin") == 0) { /** **/
3446 /* unpin this message */
3447 unpin(&snac, id);
3448 out = mastoapi_status(&snac, msg);
3449 }
3450 else
3451 if (strcmp(op, "mute") == 0) { /** **/
3452 /* Mastodon's mute is snac's hide */
3453 }
3454 else
3455 if (strcmp(op, "unmute") == 0) { /** **/
3456 /* Mastodon's unmute is snac's unhide */
3457 }
3458 }
3459
3460 if (out != NULL) {
3461 *body = xs_json_dumps(out, 4);
3462 *ctype = "application/json";
3463 status = HTTP_STATUS_OK;
3464 }
3465 }
3466 }
3467 else
3468 status = HTTP_STATUS_UNAUTHORIZED;
3469 }
3470 else
3471 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
3472 if (logged_in) {
3473 notify_clear(&snac);
3474 timeline_touch(&snac);
3475
3476 *body = xs_dup("{}");
3477 *ctype = "application/json";
3478 status = HTTP_STATUS_OK;
3479 }
3480 else
3481 status = HTTP_STATUS_UNAUTHORIZED;
3482 }
3483 else
3484 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
3485 /* I don't know what I'm doing */
3486 if (logged_in) {
3487 const char *v;
3488
3489 xs *wpush = xs_dict_new();
3490
3491 wpush = xs_dict_append(wpush, "id", "1");
3492
3493 v = xs_dict_get(args, "data");
3494 v = xs_dict_get(v, "alerts");
3495 wpush = xs_dict_append(wpush, "alerts", v);
3496
3497 v = xs_dict_get(args, "subscription");
3498 v = xs_dict_get(v, "endpoint");
3499 wpush = xs_dict_append(wpush, "endpoint", v);
3500
3501 xs *server_key = random_str();
3502 wpush = xs_dict_append(wpush, "server_key", server_key);
3503
3504 *body = xs_json_dumps(wpush, 4);
3505 *ctype = "application/json";
3506 status = HTTP_STATUS_OK;
3507 }
3508 else
3509 status = HTTP_STATUS_UNAUTHORIZED;
3510 }
3511 else
3512 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3513 if (logged_in) {
3514 const xs_list *file = xs_dict_get(args, "file");
3515 const char *desc = xs_dict_get(args, "description");
3516
3517 if (xs_is_null(desc))
3518 desc = "";
3519
3520 status = HTTP_STATUS_BAD_REQUEST;
3521
3522 if (xs_type(file) == XSTYPE_LIST) {
3523 const char *fn = xs_list_get(file, 0);
3524
3525 if (*fn != '\0') {
3526 char *ext = strrchr(fn, '.');
3527 char rnd[32];
3528 xs_rnd_buf(rnd, sizeof(rnd));
3529 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3530 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3531 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3532 int fo = xs_number_get(xs_list_get(file, 1));
3533 int fs = xs_number_get(xs_list_get(file, 2));
3534
3535 /* store */
3536 static_put(&snac, id, payload + fo, fs);
3537 static_put_meta(&snac, id, desc);
3538
3539 /* prepare a response */
3540 xs *rsp = xs_dict_new();
3541
3542 rsp = xs_dict_append(rsp, "id", id);
3543 rsp = xs_dict_append(rsp, "type", "image");
3544 rsp = xs_dict_append(rsp, "url", url);
3545 rsp = xs_dict_append(rsp, "preview_url", url);
3546 rsp = xs_dict_append(rsp, "remote_url", url);
3547 rsp = xs_dict_append(rsp, "description", desc);
3548
3549 *body = xs_json_dumps(rsp, 4);
3550 *ctype = "application/json";
3551 status = HTTP_STATUS_OK;
3552 }
3553 }
3554 }
3555 else
3556 status = HTTP_STATUS_UNAUTHORIZED;
3557 }
3558 else
3559 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3560 if (logged_in) {
3561 /* account-related information */
3562 xs *l = xs_split(cmd, "/");
3563 const char *md5 = xs_list_get(l, 3);
3564 const char *opt = xs_list_get(l, 4);
3565 xs *rsp = NULL;
3566
3567 if (!xs_is_null(md5) && *md5) {
3568 xs *actor_o = NULL;
3569
3570 if (xs_is_null(opt)) {
3571 /* ? */
3572 }
3573 else
3574 if (strcmp(opt, "follow") == 0) { /** **/
3575 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3576 const char *actor = xs_dict_get(actor_o, "id");
3577
3578 xs *msg = msg_follow(&snac, actor);
3579
3580 if (msg != NULL) {
3581 /* reload the actor from the message, in may be different */
3582 actor = xs_dict_get(msg, "object");
3583
3584 following_add(&snac, actor, msg);
3585
3586 enqueue_output_by_actor(&snac, msg, actor, 0);
3587
3588 rsp = mastoapi_relationship(&snac, md5);
3589 }
3590 }
3591 }
3592 else
3593 if (strcmp(opt, "unfollow") == 0) { /** **/
3594 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3595 const char *actor = xs_dict_get(actor_o, "id");
3596
3597 /* get the following object */
3598 xs *object = NULL;
3599
3600 if (valid_status(following_get(&snac, actor, &object))) {
3601 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3602
3603 following_del(&snac, actor);
3604
3605 enqueue_output_by_actor(&snac, msg, actor, 0);
3606
3607 rsp = mastoapi_relationship(&snac, md5);
3608 }
3609 }
3610 }
3611 else
3612 if (strcmp(opt, "block") == 0) { /** **/
3613 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3614 const char *actor = xs_dict_get(actor_o, "id");
3615
3616 mute(&snac, actor);
3617
3618 rsp = mastoapi_relationship(&snac, md5);
3619 }
3620 }
3621 else
3622 if (strcmp(opt, "unblock") == 0) { /** **/
3623 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3624 const char *actor = xs_dict_get(actor_o, "id");
3625
3626 unmute(&snac, actor);
3627
3628 rsp = mastoapi_relationship(&snac, md5);
3629 }
3630 }
3631 }
3632
3633 if (rsp != NULL) {
3634 *body = xs_json_dumps(rsp, 4);
3635 *ctype = "application/json";
3636 status = HTTP_STATUS_OK;
3637 }
3638 }
3639 else
3640 status = HTTP_STATUS_UNAUTHORIZED;
3641 }
3642 else
3643 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3644 if (logged_in) {
3645 /* operations on a status */
3646 xs *l = xs_split(cmd, "/");
3647 const char *mid = xs_list_get(l, 3);
3648 const char *op = xs_list_get(l, 4);
3649
3650 if (!xs_is_null(mid)) {
3651 xs *msg = NULL;
3652 xs *out = NULL;
3653
3654 /* skip the 'fake' part of the id */
3655 mid = MID_TO_MD5(mid);
3656
3657 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3658 const char *id = xs_dict_get(msg, "id");
3659 const char *atto = get_atto(msg);
3660
3661 const xs_list *opts = xs_dict_get(msg, "oneOf");
3662 if (opts == NULL)
3663 opts = xs_dict_get(msg, "anyOf");
3664
3665 if (op == NULL) {
3666 }
3667 else
3668 if (strcmp(op, "votes") == 0) {
3669 const xs_list *choices = xs_dict_get(args, "choices[]");
3670
3671 if (xs_is_null(choices))
3672 choices = xs_dict_get(args, "choices");
3673
3674 if (xs_type(choices) == XSTYPE_LIST) {
3675 const xs_str *v;
3676
3677 int c = 0;
3678 while (xs_list_next(choices, &v, &c)) {
3679 int io = atoi(v);
3680 const xs_dict *o = xs_list_get(opts, io);
3681
3682 if (o) {
3683 const char *name = xs_dict_get(o, "name");
3684
3685 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3686 msg = xs_dict_append(msg, "name", name);
3687
3688 xs *c_msg = msg_create(&snac, msg);
3689 enqueue_message(&snac, c_msg);
3690 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3691 }
3692 }
3693
3694 out = mastoapi_poll(&snac, msg);
3695 }
3696 }
3697 }
3698
3699 if (out != NULL) {
3700 *body = xs_json_dumps(out, 4);
3701 *ctype = "application/json";
3702 status = HTTP_STATUS_OK;
3703 }
3704 }
3705 }
3706 else
3707 status = HTTP_STATUS_UNAUTHORIZED;
3708 }
3709 else
3710 if (strcmp(cmd, "/v1/lists") == 0) {
3711 if (logged_in) {
3712 const char *title = xs_dict_get(args, "title");
3713
3714 if (xs_type(title) == XSTYPE_STRING) {
3715 /* add the list */
3716 xs *out = xs_dict_new();
3717 xs *lid = list_maint(&snac, title, 1);
3718
3719 if (!xs_is_null(lid)) {
3720 out = xs_dict_append(out, "id", lid);
3721 out = xs_dict_append(out, "title", title);
3722 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3723 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3724
3725 status = HTTP_STATUS_OK;
3726 }
3727 else {
3728 out = xs_dict_append(out, "error", "cannot create list");
3729 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3730 }
3731
3732 *body = xs_json_dumps(out, 4);
3733 *ctype = "application/json";
3734 }
3735 else
3736 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3737 }
3738 }
3739 else
3740 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3741 if (logged_in) {
3742 xs *l = xs_split(cmd, "/");
3743 const char *op = xs_list_get(l, -1);
3744 const char *id = xs_list_get(l, -2);
3745
3746 if (op && id && xs_is_hex(id)) {
3747 if (strcmp(op, "accounts") == 0) {
3748 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3749
3750 if (xs_is_null(accts))
3751 accts = xs_dict_get(args, "account_ids");
3752
3753 int c = 0;
3754 const char *v;
3755
3756 while (xs_list_next(accts, &v, &c)) {
3757 list_members(&snac, id, v, 1);
3758 }
3759
3760 xs *out = xs_dict_new();
3761 *body = xs_json_dumps(out, 4);
3762 *ctype = "application/json";
3763 status = HTTP_STATUS_OK;
3764 }
3765 }
3766 }
3767 }
3768 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3769 xs_str *json = NULL;
3770 if (logged_in) {
3771 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3772 if (xs_is_null(home_marker)) {
3773 const xs_dict *home = xs_dict_get(args, "home");
3774 if (!xs_is_null(home))
3775 home_marker = xs_dict_get(home, "last_read_id");
3776 }
3777
3778 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3779 if (xs_is_null(notify_marker)) {
3780 const xs_dict *notify = xs_dict_get(args, "notifications");
3781 if (!xs_is_null(notify))
3782 notify_marker = xs_dict_get(notify, "last_read_id");
3783 }
3784 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3785 }
3786 if (!xs_is_null(json))
3787 *body = json;
3788 else
3789 *body = xs_dup("{}");
3790
3791 *ctype = "application/json";
3792 status = HTTP_STATUS_OK;
3793 }
3794 else
3795 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3796 if (logged_in) {
3797 /* "authorize" or "reject" */
3798 xs *rel = NULL;
3799 xs *l = xs_split(cmd, "/");
3800 const char *md5 = xs_list_get(l, -2);
3801 const char *s_cmd = xs_list_get(l, -1);
3802
3803 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3804 xs *actor = NULL;
3805
3806 if (valid_status(object_get_by_md5(md5, &actor))) {
3807 const char *actor_id = xs_dict_get(actor, "id");
3808
3809 if (strcmp(s_cmd, "authorize") == 0) {
3810 xs *fwreq = pending_get(&snac, actor_id);
3811
3812 if (fwreq != NULL) {
3813 xs *reply = msg_accept(&snac, fwreq, actor_id);
3814
3815 enqueue_message(&snac, reply);
3816
3817 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3818 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3819 fwreq = xs_dict_set(fwreq, "published", date);
3820 }
3821
3822 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3823
3824 follower_add(&snac, actor_id);
3825
3826 pending_del(&snac, actor_id);
3827 rel = mastoapi_relationship(&snac, md5);
3828 }
3829 }
3830 else
3831 if (strcmp(s_cmd, "reject") == 0) {
3832 pending_del(&snac, actor_id);
3833 rel = mastoapi_relationship(&snac, md5);
3834 }
3835 }
3836 }
3837
3838 if (rel != NULL) {
3839 *body = xs_json_dumps(rel, 4);
3840 *ctype = "application/json";
3841 status = HTTP_STATUS_OK;
3842 }
3843 }
3844 }
3845 else
3846 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3847 if (logged_in) {
3848 xs *l = xs_split(cmd, "/");
3849 const char *i_tag = xs_list_get(l, 3);
3850 const char *cmd = xs_list_get(l, 4);
3851
3852 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3853
3854 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3855 int ok = 0;
3856
3857 xs *tag = xs_fmt("#%s", i_tag);
3858 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3859 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3860
3861 if (strcmp(cmd, "follow") == 0) {
3862 followed_hashtags = xs_list_append(followed_hashtags, tag);
3863 ok = 1;
3864 }
3865 else
3866 if (strcmp(cmd, "unfollow") == 0) {
3867 int off = xs_list_in(followed_hashtags, tag);
3868
3869 if (off != -1)
3870 followed_hashtags = xs_list_del(followed_hashtags, off);
3871
3872 ok = 1;
3873 }
3874
3875 if (ok) {
3876 /* update */
3877 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3878 user_persist(&snac, 0);
3879
3880 xs *d = xs_dict_new();
3881 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3882 d = xs_dict_set(d, "name", i_tag);
3883 d = xs_dict_set(d, "url", s);
3884 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3885
3886 *body = xs_json_dumps(d, 4);
3887 *ctype = "application/json";
3888 status = HTTP_STATUS_OK;
3889 }
3890 }
3891 }
3892 }
3893 else
3894 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3895
3896 /* user cleanup */
3897 if (logged_in)
3898 user_free(&snac);
3899
3900 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3901
3902 return status;
3903}
3904
3905
3906int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3907 const char *payload, int p_size,
3908 char **body, int *b_size, char **ctype)
3909{
3910 (void)p_size;
3911 (void)b_size;
3912 (void)ctype;
3913
3914 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3915 return 0;
3916
3917 int status = HTTP_STATUS_NOT_FOUND;
3918 xs *args = NULL;
3919 const char *i_ctype = xs_dict_get(req, "content-type");
3920
3921 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3922 if (!xs_is_null(payload))
3923 args = xs_json_loads(payload);
3924 }
3925 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3926 {
3927 // Some apps send form data instead of json so we should cater for those
3928 if (!xs_is_null(payload)) {
3929 args = xs_url_vars(payload);
3930 }
3931 }
3932 else
3933 args = xs_dup(xs_dict_get(req, "p_vars"));
3934
3935 if (args == NULL)
3936 return HTTP_STATUS_BAD_REQUEST;
3937
3938 snac snac = {0};
3939 int logged_in = process_auth_token(&snac, req);
3940
3941 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3942
3943 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3944 // pretend we deleted it, since it doesn't exist anyway
3945 status = HTTP_STATUS_OK;
3946 }
3947 else
3948 if (xs_startswith(cmd, "/v1/lists/")) {
3949 if (logged_in) {
3950 xs *l = xs_split(cmd, "/");
3951 const char *p = xs_list_get(l, -1);
3952
3953 if (p) {
3954 if (strcmp(p, "accounts") == 0) {
3955 /* delete account from list */
3956 p = xs_list_get(l, -2);
3957 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3958
3959 if (xs_is_null(accts))
3960 accts = xs_dict_get(args, "account_ids");
3961
3962 int c = 0;
3963 const char *v;
3964
3965 while (xs_list_next(accts, &v, &c)) {
3966 list_members(&snac, p, v, 2);
3967 }
3968 }
3969 else {
3970 /* delete list */
3971 if (xs_is_hex(p)) {
3972 list_maint(&snac, p, 2);
3973 }
3974 }
3975 }
3976
3977 *ctype = "application/json";
3978 status = HTTP_STATUS_OK;
3979 }
3980 else
3981 status = HTTP_STATUS_UNAUTHORIZED;
3982 }
3983 else
3984 if (xs_startswith(cmd, "/v1/statuses/")) {
3985 if (logged_in) {
3986 xs *l = xs_split(cmd, "/");
3987 const char *p = xs_list_get(l, -1);
3988 p = MID_TO_MD5(p);
3989
3990 xs *obj = NULL;
3991 if (valid_status(object_get_by_md5(p, &obj))) {
3992 const char *id = xs_dict_get(obj, "id");
3993
3994 if (xs_is_string(id) && is_msg_mine(&snac, id)) {
3995 xs *out = mastoapi_status(&snac, obj);
3996
3997 xs *msg = msg_delete(&snac, id);
3998
3999 enqueue_message(&snac, msg);
4000
4001 timeline_del(&snac, id);
4002
4003 draft_del(&snac, id);
4004
4005 schedule_del(&snac, id);
4006
4007 snac_log(&snac, xs_fmt("deleted entry %s", id));
4008
4009 *body = xs_json_dumps(out, 4);
4010 *ctype = "application/json";
4011 status = HTTP_STATUS_OK;
4012 }
4013 }
4014 }
4015 else
4016 status = HTTP_STATUS_UNAUTHORIZED;
4017 }
4018
4019 /* user cleanup */
4020 if (logged_in)
4021 user_free(&snac);
4022
4023 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
4024
4025 return status;
4026}
4027
4028
4029int mastoapi_put_handler(const xs_dict *req, const char *q_path,
4030 const char *payload, int p_size,
4031 char **body, int *b_size, char **ctype)
4032{
4033 (void)p_size;
4034 (void)b_size;
4035
4036 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
4037 return 0;
4038
4039 int status = HTTP_STATUS_NOT_FOUND;
4040 xs *args = NULL;
4041 const char *i_ctype = xs_dict_get(req, "content-type");
4042
4043 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4044 if (!xs_is_null(payload))
4045 args = xs_json_loads(payload);
4046 }
4047 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4048 {
4049 // Some apps send form data instead of json so we should cater for those
4050 if (!xs_is_null(payload)) {
4051 args = xs_url_vars(payload);
4052 }
4053 }
4054 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4055 {
4056 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4057 args = xs_dup(xs_dict_get(req, "p_vars"));
4058 }
4059
4060 /* if args still NULL, try falling back to p_vars or q_vars */
4061 if (args == NULL)
4062 args = xs_dup(xs_dict_get(req, "p_vars"));
4063
4064 if (args == NULL)
4065 args = xs_dup(xs_dict_get(req, "q_vars"));
4066
4067 if (args == NULL) {
4068 srv_debug(1, xs_fmt("mastoapi_put_handler: failed to parse args for %s, content-type: %s",
4069 q_path, i_ctype ? i_ctype : "(null)"));
4070 return HTTP_STATUS_BAD_REQUEST;
4071 }
4072
4073 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4074
4075 snac snac = {0};
4076 int logged_in = process_auth_token(&snac, req);
4077
4078 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
4079 if (logged_in) {
4080 xs *l = xs_split(cmd, "/");
4081 const char *stid = xs_list_get(l, 3);
4082
4083 if (!xs_is_null(stid)) {
4084 const char *desc = xs_dict_get(args, "description");
4085
4086 /* set the image metadata */
4087 static_put_meta(&snac, stid, desc);
4088
4089 /* prepare a response */
4090 xs *rsp = xs_dict_new();
4091 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
4092
4093 rsp = xs_dict_append(rsp, "id", stid);
4094 rsp = xs_dict_append(rsp, "type", "image");
4095 rsp = xs_dict_append(rsp, "url", url);
4096 rsp = xs_dict_append(rsp, "preview_url", url);
4097 rsp = xs_dict_append(rsp, "remote_url", url);
4098 rsp = xs_dict_append(rsp, "description", desc);
4099
4100 *body = xs_json_dumps(rsp, 4);
4101 *ctype = "application/json";
4102 status = HTTP_STATUS_OK;
4103 }
4104 }
4105 else
4106 status = HTTP_STATUS_UNAUTHORIZED;
4107 }
4108 else
4109 if (xs_startswith(cmd, "/v1/statuses")) {
4110 if (logged_in) {
4111 xs *l = xs_split(cmd, "/");
4112 const char *mid = xs_list_get(l, 3);
4113
4114 if (!xs_is_null(mid)) {
4115 const char *md5 = MID_TO_MD5(mid);
4116 xs *rsp = NULL;
4117 xs *msg = NULL;
4118
4119 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
4120 const char *content = xs_dict_get(args, "status");
4121 xs *atls = xs_list_new();
4122 xs *f_content = not_really_markdown(content, &atls, NULL);
4123
4124 /* replace fields with new content */
4125 msg = xs_dict_set(msg, "sourceContent", content);
4126 msg = xs_dict_set(msg, "content", f_content);
4127
4128 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
4129 msg = xs_dict_set(msg, "updated", updated);
4130
4131 /* overwrite object, not updating the indexes */
4132 object_add_ow(xs_dict_get(msg, "id"), msg);
4133
4134 /* update message */
4135 xs *c_msg = msg_update(&snac, msg);
4136
4137 enqueue_message(&snac, c_msg);
4138
4139 rsp = mastoapi_status(&snac, msg);
4140 }
4141
4142 if (rsp != NULL) {
4143 *body = xs_json_dumps(rsp, 4);
4144 *ctype = "application/json";
4145 status = HTTP_STATUS_OK;
4146 }
4147 }
4148 }
4149 else
4150 status = HTTP_STATUS_UNAUTHORIZED;
4151 }
4152
4153 /* user cleanup */
4154 if (logged_in)
4155 user_free(&snac);
4156
4157 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
4158
4159 return status;
4160}
4161
4162void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
4163/* Store header or avatar */
4164{
4165 if (data != NULL) {
4166 if (xs_type(data) == XSTYPE_LIST) {
4167 const char *fn = xs_list_get(data, 0);
4168
4169 if (fn && *fn) {
4170 const char *ext = strrchr(fn, '.');
4171
4172 /* Mona iOS sends always jpg as application/octet-stream with no filename */
4173 if (ext == NULL || strcmp(fn, key) == 0) {
4174 ext = ".jpg";
4175 }
4176
4177 /* Make sure we have a unique file name, otherwise updated images will not be
4178 * re-loaded by clients. */
4179 xs *rnd = random_str();
4180 xs *hash = xs_md5_hex(rnd, strlen(rnd));
4181 xs *id = xs_fmt("%s%s", hash, ext);
4182 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
4183 int fo = xs_number_get(xs_list_get(data, 1));
4184 int fs = xs_number_get(xs_list_get(data, 2));
4185
4186 /* store */
4187 static_put(snac, id, payload + fo, fs);
4188
4189 snac->config = xs_dict_set(snac->config, key, url);
4190 }
4191 }
4192 }
4193}
4194
4195int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
4196 const char *payload, int p_size,
4197 char **body, int *b_size, char **ctype)
4198/* Handle profile updates */
4199{
4200 (void)p_size;
4201 (void)b_size;
4202
4203 if (!xs_startswith(q_path, "/api/v1/"))
4204 return 0;
4205
4206 int status = HTTP_STATUS_NOT_FOUND;
4207 xs *args = NULL;
4208 const char *i_ctype = xs_dict_get(req, "content-type");
4209
4210 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4211 if (!xs_is_null(payload))
4212 args = xs_json_loads(payload);
4213 }
4214 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4215 {
4216 // Some apps send form data instead of json so we should cater for those
4217 if (!xs_is_null(payload)) {
4218 args = xs_url_vars(payload);
4219 }
4220 }
4221 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4222 {
4223 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4224 args = xs_dup(xs_dict_get(req, "p_vars"));
4225 }
4226
4227 /* if args still NULL, try falling back to p_vars or q_vars */
4228 if (args == NULL)
4229 args = xs_dup(xs_dict_get(req, "p_vars"));
4230
4231 if (args == NULL)
4232 args = xs_dup(xs_dict_get(req, "q_vars"));
4233
4234 if (args == NULL) {
4235 srv_debug(1, xs_fmt("mastoapi_patch_handler: failed to parse args for %s, content-type: %s",
4236 q_path, i_ctype ? i_ctype : "(null)"));
4237 return HTTP_STATUS_BAD_REQUEST;
4238 }
4239
4240 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4241
4242 snac snac = {0};
4243 int logged_in = process_auth_token(&snac, req);
4244
4245 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) { /** **/
4246 /* Update user profile fields */
4247 if (logged_in) {
4248 int c = 0;
4249 const xs_str *k;
4250 const xs_val *v;
4251 const xs_str *field_name = NULL;
4252 xs *new_fields = xs_dict_new();
4253 while (xs_dict_next(args, &k, &v, &c)) {
4254 if (strcmp(k, "display_name") == 0) {
4255 if (v != NULL)
4256 snac.config = xs_dict_set(snac.config, "name", v);
4257 }
4258 else
4259 if (strcmp(k, "note") == 0) {
4260 if (v != NULL)
4261 snac.config = xs_dict_set(snac.config, "bio", v);
4262 }
4263 else
4264 if (strcmp(k, "bot") == 0) {
4265 if (v != NULL)
4266 snac.config = xs_dict_set(snac.config, "bot",
4267 (strcmp(v, "true") == 0 ||
4268 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4269 }
4270 else
4271 if (strcmp(k, "source[sensitive]") == 0) {
4272 if (v != NULL)
4273 snac.config = xs_dict_set(snac.config, "cw",
4274 strcmp(v, "true") == 0 ? "open" : "");
4275 }
4276 else
4277 if (strcmp(k, "source[privacy]") == 0) {
4278 if (v != NULL)
4279 snac.config = xs_dict_set(snac.config, "private",
4280 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4281 }
4282 else
4283 if (strcmp(k, "header") == 0) {
4284 persist_image("header", v, payload, &snac);
4285 }
4286 else
4287 if (strcmp(k, "avatar") == 0) {
4288 persist_image("avatar", v, payload, &snac);
4289 }
4290 else
4291 if (xs_between("fields_attributes", k, "[name]")) {
4292 field_name = strcmp(v, "") != 0 ? v : NULL;
4293 }
4294 else
4295 if (xs_between("fields_attributes", k, "[value]")) {
4296 if (field_name != NULL) {
4297 new_fields = xs_dict_set(new_fields, field_name, v);
4298 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
4299 }
4300 }
4301 else
4302 if (strcmp(k, "locked") == 0) {
4303 snac.config = xs_dict_set(snac.config, "approve_followers",
4304 xs_stock(strcmp(v, "true") == 0 ? XSTYPE_TRUE : XSTYPE_FALSE));
4305 }
4306 /* we don't have support for the following options, yet
4307 - discoverable (0/1)
4308 */
4309 }
4310
4311 /* Persist profile */
4312 if (user_persist(&snac, 1) == 0)
4313 credentials_get(body, ctype, &status, snac);
4314 else
4315 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
4316 }
4317 else
4318 status = HTTP_STATUS_UNAUTHORIZED;
4319 }
4320
4321 /* user cleanup */
4322 if (logged_in)
4323 user_free(&snac);
4324
4325 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
4326
4327 return status;
4328}
4329
4330
4331void mastoapi_purge(void)
4332{
4333 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
4334 xs *files = xs_glob(spec, 1, 0);
4335 xs_list *p = files;
4336 const xs_str *v;
4337
4338 time_t mt = time(NULL) - 3600;
4339
4340 while (xs_list_iter(&p, &v)) {
4341 xs *cid = xs_replace(v, ".json", "");
4342 xs *fn = _app_fn(cid);
4343
4344 if (mtime(fn) < mt) {
4345 /* get the app */
4346 xs *app = app_get(cid);
4347
4348 if (app) {
4349 /* old apps with no uid are incomplete cruft */
4350 const char *uid = xs_dict_get(app, "uid");
4351
4352 if (xs_is_null(uid) || *uid == '\0') {
4353 unlink(fn);
4354 srv_debug(2, xs_fmt("purged %s", fn));
4355 }
4356 }
4357 }
4358 }
4359}
4360
4361
4362#endif /* #ifndef NO_MASTODON_API */
