2.86
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 /* NOTE: idk when there are no actor, but i encountered that bug.
1175 * Probably because of one of my previous attempts.
1176 * Keeping this just in case, can remove later */
1177 const char *me = actor && snac && strcmp(actor, snac->actor) == 0 ?
1178 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE);
1179 int count = 1;
1180
1181 if (contentl) {
1182 count = atoi(xs_list_get(contentl, 0)) + 1;
1183 if (strncmp(xs_list_get(contentl, 1), xs_stock(XSTYPE_TRUE), 1) == 0)
1184 me = xs_stock(XSTYPE_TRUE);
1185 }
1186
1187 xs *fl = xs_list_new();
1188 xs *c1 = xs_fmt("%d", count);
1189 fl = xs_list_append(fl, c1, me);
1190 sfrl = xs_dict_append(sfrl, content, fl);
1191 }
1192 }
1193
1194 c = 0;
1195
1196 while (xs_list_next(rl, &v, &c)) {
1197 xs *msg = NULL;
1198 if (valid_status(object_get_by_md5(v, &msg))) {
1199 xs *d1 = xs_dict_new();
1200
1201 const xs_dict *icon = xs_dict_get(xs_list_get(xs_dict_get(msg, "tag"), 0), "icon");
1202 const char *o_url = xs_dict_get(icon, "url");
1203 const char *name = xs_dict_get(msg, "content");
1204 const char *actor = xs_dict_get(msg, "actor");
1205
1206 xs *nm = xs_dup(name);
1207 xs *url = NULL;
1208
1209 if (!xs_is_null(o_url)) {
1210 if (actor && snac && !strcmp(actor, snac->actor))
1211 url = make_url(o_url, NULL, 1);
1212 else
1213 url = xs_dup(o_url);
1214 }
1215
1216 xs *accounts = xs_list_new();
1217 if (actor) {
1218 xs *d2 = xs_dict_new();
1219 object_get(actor, &d2);
1220 xs *e_acct = mastoapi_account(snac, d2);
1221 accounts = xs_list_append(accounts, e_acct);
1222 }
1223
1224 const xs_list *item = xs_dict_get(sfrl, nm);
1225 const xs_str *nb = xs_list_get(item, 0);
1226 const xs_val *me = xs_list_get(item, 1);
1227 if (item == NULL)
1228 continue;
1229
1230 if (nm && strcmp(nm, "")) {
1231 if (url && strcmp(url, "")) {
1232 d1 = xs_dict_append(d1, "name", nm);
1233 d1 = xs_dict_append(d1, "shortcode", nm);
1234 d1 = xs_dict_append(d1, "accounts", accounts);
1235 d1 = xs_dict_append(d1, "me", me);
1236 d1 = xs_dict_append(d1, "url", url);
1237 d1 = xs_dict_append(d1, "static_url", url);
1238 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1239 d1 = xs_dict_append(d1, "count", nb);
1240 } else {
1241 d1 = xs_dict_append(d1, "name", nm);
1242 d1 = xs_dict_append(d1, "count", nb);
1243 d1 = xs_dict_append(d1, "me", me);
1244 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1245 }
1246 sfrl = xs_dict_del(sfrl, nm);
1247 frl = xs_list_append(frl, d1);
1248 }
1249 }
1250 }
1251
1252 st = xs_dict_append(st, "reactions", frl);
1253 }
1254
1255 xs_free(idx);
1256 xs_free(ixc);
1257 idx = object_likes(id);
1258 ixc = xs_number_new(xs_list_len(idx));
1259
1260 st = xs_dict_append(st, "favourites_count", ixc);
1261 st = xs_dict_append(st, "favourited",
1262 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1263
1264 xs_free(idx);
1265 xs_free(ixc);
1266 idx = object_announces(id);
1267 ixc = xs_number_new(xs_list_len(idx));
1268
1269 st = xs_dict_append(st, "reblogs_count", ixc);
1270 st = xs_dict_append(st, "reblogged",
1271 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1272
1273 /* get the last person who boosted this */
1274 xs *boosted_by_md5 = NULL;
1275 if (xs_list_len(idx))
1276 boosted_by_md5 = xs_dup(xs_list_get(idx, -1));
1277
1278 xs_free(idx);
1279 xs_free(ixc);
1280 idx = object_children(id);
1281 ixc = xs_number_new(xs_list_len(idx));
1282
1283 st = xs_dict_append(st, "replies_count", ixc);
1284
1285 /* default in_reply_to values */
1286 st = xs_dict_append(st, "in_reply_to_id", xs_stock(XSTYPE_NULL));
1287 st = xs_dict_append(st, "in_reply_to_account_id", xs_stock(XSTYPE_NULL));
1288
1289 tmp = get_in_reply_to(msg);
1290 if (!xs_is_null(tmp)) {
1291 xs *irto = NULL;
1292
1293 if (valid_status(object_get(tmp, &irto))) {
1294 xs *irt_mid = mastoapi_id(irto);
1295 st = xs_dict_set(st, "in_reply_to_id", irt_mid);
1296
1297 const char *at = NULL;
1298 if (!xs_is_null(at = get_atto(irto))) {
1299 xs *at_md5 = xs_md5_hex(at, strlen(at));
1300 st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
1301 }
1302 }
1303 }
1304
1305 st = xs_dict_append(st, "reblog", xs_stock(XSTYPE_NULL));
1306 st = xs_dict_append(st, "card", xs_stock(XSTYPE_NULL));
1307 st = xs_dict_append(st, "language", "en");
1308
1309 st = xs_dict_append(st, "filtered", xs_stock(XSTYPE_LIST));
1310 st = xs_dict_append(st, "muted", xs_stock(XSTYPE_FALSE));
1311
1312 tmp = xs_dict_get(msg, "sourceContent");
1313 if (xs_is_null(tmp))
1314 tmp = "";
1315
1316 st = xs_dict_append(st, "text", tmp);
1317
1318 tmp = xs_dict_get(msg, "updated");
1319 xs *fd2 = NULL;
1320 if (xs_is_null(tmp))
1321 tmp = xs_stock(XSTYPE_NULL);
1322 else {
1323 fd2 = mastoapi_date(tmp);
1324 tmp = fd2;
1325 }
1326
1327 st = xs_dict_append(st, "edited_at", tmp);
1328
1329 if (strcmp(type, "Question") == 0) {
1330 xs *poll = mastoapi_poll(snac, msg);
1331 st = xs_dict_append(st, "poll", poll);
1332 }
1333 else
1334 st = xs_dict_append(st, "poll", xs_stock(XSTYPE_NULL));
1335
1336 st = xs_dict_append(st, "bookmarked",
1337 (snac && is_bookmarked(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1338
1339 st = xs_dict_append(st, "pinned",
1340 (snac && is_pinned(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1341
1342 /* is it a boost? */
1343 if (!xs_is_null(boosted_by_md5)) {
1344 /* create a new dummy status, using st as the 'reblog' field */
1345 xs_dict *bst = xs_dup(st);
1346 xs *b_actor = NULL;
1347
1348 if (valid_status(object_get_by_md5(boosted_by_md5, &b_actor))) {
1349 xs *b_acct = mastoapi_account(snac, b_actor);
1350 xs *fake_uri = NULL;
1351
1352 if (snac)
1353 fake_uri = xs_fmt("%s/d/%s/Announce", snac->actor, mid);
1354 else
1355 fake_uri = xs_fmt("%s#%s", srv_baseurl, mid);
1356
1357 bst = xs_dict_set(bst, "uri", fake_uri);
1358 bst = xs_dict_set(bst, "url", fake_uri);
1359 bst = xs_dict_set(bst, "account", b_acct);
1360 bst = xs_dict_set(bst, "content", "");
1361 bst = xs_dict_set(bst, "reblog", st);
1362
1363 xs *b_id = xs_toupper_i(xs_dup(xs_dict_get(st, "id")));
1364 bst = xs_dict_set(bst, "id", b_id);
1365
1366 xs_free(st);
1367 st = bst;
1368 }
1369 else
1370 xs_free(bst);
1371 }
1372
1373 return st;
1374}
1375
1376
1377xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1378{
1379 xs_dict *rel = NULL;
1380 xs *actor_o = NULL;
1381
1382 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1383 rel = xs_dict_new();
1384
1385 const char *actor = xs_dict_get(actor_o, "id");
1386
1387 rel = xs_dict_append(rel, "id", md5);
1388 rel = xs_dict_append(rel, "following",
1389 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1390
1391 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1392 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1393 rel = xs_dict_append(rel, "followed_by",
1394 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1395
1396 rel = xs_dict_append(rel, "blocking",
1397 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1398
1399 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1400 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1401 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1402 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1403 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1404 rel = xs_dict_append(rel, "note", "");
1405 }
1406
1407 return rel;
1408}
1409
1410
1411int process_auth_token(snac *snac, const xs_dict *req)
1412/* processes an authorization token, if there is one */
1413{
1414 int logged_in = 0;
1415 const char *v;
1416
1417 /* if there is an authorization field, try to validate it */
1418 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1419 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1420 xs *token = token_get(tokid);
1421
1422 if (token != NULL) {
1423 const char *uid = xs_dict_get(token, "uid");
1424
1425 if (!xs_is_null(uid) && user_open(snac, uid)) {
1426 logged_in = 1;
1427
1428 /* this counts as a 'login' */
1429 lastlog_write(snac, "mastoapi");
1430
1431 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1432 }
1433 else
1434 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1435 }
1436 else
1437 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1438 }
1439
1440 return logged_in;
1441}
1442
1443
1444void credentials_get(char **body, char **ctype, int *status, snac snac)
1445{
1446 xs *acct = xs_dict_new();
1447
1448 const xs_val *bot = xs_dict_get(snac.config, "bot");
1449
1450 acct = xs_dict_append(acct, "id", snac.md5);
1451 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1452 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1453 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1454 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1455 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1456 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1457 acct = xs_dict_append(acct, "url", snac.actor);
1458
1459 acct = xs_dict_append(acct, "locked",
1460 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1461
1462 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1463 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1464
1465 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1466 "\"follow_requests_count\": 0,"
1467 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1468 /* some apps take the note from the source object */
1469 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1470 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1471
1472 const xs_str *cw = xs_dict_get(snac.config, "cw");
1473 src = xs_dict_set(src, "sensitive",
1474 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1475
1476 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1477
1478 xs *avatar = NULL;
1479 const char *av = xs_dict_get(snac.config, "avatar");
1480
1481 if (xs_is_null(av) || *av == '\0')
1482 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1483 else
1484 avatar = xs_dup(av);
1485
1486 acct = xs_dict_append(acct, "avatar", avatar);
1487 acct = xs_dict_append(acct, "avatar_static", avatar);
1488
1489 xs *header = NULL;
1490 const char *hd = xs_dict_get(snac.config, "header");
1491
1492 if (!xs_is_null(hd))
1493 header = xs_dup(hd);
1494 else
1495 header = xs_str_new(NULL);
1496
1497 acct = xs_dict_append(acct, "header", header);
1498 acct = xs_dict_append(acct, "header_static", header);
1499
1500 xs *metadata = NULL;
1501 const xs_dict *md = xs_dict_get(snac.config, "metadata");
1502
1503 if (xs_is_dict(md))
1504 metadata = xs_dup(md);
1505 else
1506 if (xs_is_string(md)) {
1507 metadata = xs_dict_new();
1508 xs *l = xs_split(md, "\n");
1509 const char *ll;
1510
1511 xs_list_foreach(l, ll) {
1512 xs *kv = xs_split_n(ll, "=", 1);
1513 const char *k = xs_list_get(kv, 0);
1514 const char *v = xs_list_get(kv, 1);
1515
1516 if (k && v) {
1517 xs *kk = xs_strip_i(xs_dup(k));
1518 xs *vv = xs_strip_i(xs_dup(v));
1519 metadata = xs_dict_set(metadata, kk, vv);
1520 }
1521 }
1522 }
1523
1524 if (xs_is_dict(metadata)) {
1525 xs *fields = xs_list_new();
1526 const xs_str *k;
1527 const xs_str *v;
1528
1529 xs_dict *val_links = snac.links;
1530 if (xs_is_null(val_links))
1531 val_links = xs_stock(XSTYPE_DICT);
1532
1533 int c = 0;
1534 while (xs_dict_next(metadata, &k, &v, &c)) {
1535 xs *val_date = NULL;
1536
1537 const xs_number *verified_time = xs_dict_get(val_links, v);
1538 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1539 time_t t = xs_number_get(verified_time);
1540
1541 if (t > 0)
1542 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1543 }
1544
1545 xs *d = xs_dict_new();
1546
1547 d = xs_dict_append(d, "name", k);
1548 d = xs_dict_append(d, "value", v);
1549 d = xs_dict_append(d, "verified_at",
1550 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1551
1552 fields = xs_list_append(fields, d);
1553 }
1554
1555 acct = xs_dict_set(acct, "fields", fields);
1556 /* some apps take the fields from the source object */
1557 src = xs_dict_set(src, "fields", fields);
1558 }
1559
1560 acct = xs_dict_append(acct, "source", src);
1561 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1562 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1563 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1564
1565 /* does this user want to publish their contact metrics? */
1566 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1567 int fwing = following_list_len(&snac);
1568 int fwers = follower_list_len(&snac);
1569 xs *ni = xs_number_new(fwing);
1570 xs *ne = xs_number_new(fwers);
1571
1572 acct = xs_dict_append(acct, "followers_count", ne);
1573 acct = xs_dict_append(acct, "following_count", ni);
1574 }
1575
1576 *body = xs_json_dumps(acct, 4);
1577 *ctype = "application/json";
1578 *status = HTTP_STATUS_OK;
1579}
1580
1581
1582xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1583{
1584 xs_list *out = xs_list_new();
1585 FILE *f;
1586 char md5[MD5_HEX_SIZE];
1587
1588 if (dbglevel) {
1589 xs *js = xs_json_dumps(args, 0);
1590 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1591 }
1592
1593 if ((f = fopen(index_fn, "r")) == NULL)
1594 return out;
1595
1596 const char *o_max_id = xs_dict_get(args, "max_id");
1597 const char *o_since_id = xs_dict_get(args, "since_id");
1598 const char *o_min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1599 const char *limit_s = xs_dict_get(args, "limit");
1600 int (*iterator)(FILE *, char *);
1601 int initial_status = 0;
1602 int ascending = 0;
1603 int limit = 0;
1604 int cnt = 0;
1605
1606 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1607 xs *since_id = o_since_id ? xs_tolower_i(xs_dup(o_since_id)) : NULL;
1608 xs *min_id = o_min_id ? xs_tolower_i(xs_dup(o_min_id)) : NULL;
1609
1610 if (!xs_is_null(limit_s))
1611 limit = atoi(limit_s);
1612
1613 if (limit == 0)
1614 limit = 20;
1615
1616 if (min_id) {
1617 iterator = &index_asc_next;
1618 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1619 ascending = 1;
1620 }
1621 else {
1622 iterator = &index_desc_next;
1623 initial_status = index_desc_first(f, md5, 0);
1624 }
1625
1626 xs_set entries;
1627 xs_set_init(&entries);
1628
1629 if (initial_status) {
1630 do {
1631 xs *msg = NULL;
1632
1633 /* only return entries older that max_id */
1634 if (max_id) {
1635 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1636 max_id = xs_free(max_id);
1637 if (ascending)
1638 break;
1639 }
1640 if (!ascending)
1641 continue;
1642 }
1643
1644 /* only returns entries newer than since_id */
1645 if (since_id) {
1646 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1647 if (!ascending)
1648 break;
1649 since_id = xs_free(since_id);
1650 }
1651 if (ascending)
1652 continue;
1653 }
1654
1655 /* get the entry */
1656 if (user) {
1657 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1658 continue;
1659 }
1660 else {
1661 if (!valid_status(object_get_by_md5(md5, &msg)))
1662 continue;
1663 }
1664
1665 /* discard non-Notes */
1666 const char *id = xs_dict_get(msg, "id");
1667 const char *type = xs_dict_get(msg, "type");
1668 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1669 continue;
1670
1671 if (id && is_instance_blocked(id))
1672 continue;
1673
1674 const char *from = NULL;
1675 if (strcmp(type, "Page") == 0)
1676 from = xs_dict_get(msg, "audience");
1677
1678 if (from == NULL)
1679 from = get_atto(msg);
1680
1681 if (from == NULL)
1682 continue;
1683
1684 if (user) {
1685 /* is this message from a person we don't follow? */
1686 if (strcmp(from, user->actor) && !following_check(user, from)) {
1687 /* discard if it was not boosted */
1688 xs *idx = object_announces(id);
1689
1690 if (xs_list_len(idx) == 0)
1691 continue;
1692 }
1693
1694 /* discard notes from muted morons */
1695 if (is_muted(user, from))
1696 continue;
1697
1698 /* discard hidden notes */
1699 if (is_hidden(user, id))
1700 continue;
1701 }
1702 else {
1703 /* skip non-public messages */
1704 if (!is_msg_public(msg))
1705 continue;
1706
1707 /* discard messages from private users */
1708 if (is_msg_from_private_user(msg))
1709 continue;
1710 }
1711
1712 /* if it has a name and it's not an object that may have one,
1713 it's a poll vote, so discard it */
1714 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1715 continue;
1716
1717 /* convert the Note into a Mastodon status */
1718 xs *st = mastoapi_status(user, msg);
1719
1720 if (st != NULL && xs_set_add(&entries, md5) == 1) {
1721 if (ascending)
1722 out = xs_list_insert(out, 0, st);
1723 else
1724 out = xs_list_append(out, st);
1725 cnt++;
1726 }
1727
1728 } while ((cnt < limit) && (*iterator)(f, md5));
1729 }
1730
1731 xs_set_free(&entries);
1732
1733 int more = index_desc_next(f, md5);
1734
1735 fclose(f);
1736
1737 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1738
1739 return out;
1740}
1741
1742
1743xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1744/* returns a Link header with paging information */
1745{
1746 xs_str *s = NULL;
1747
1748 if (xs_list_len(timeline) == 0)
1749 return NULL;
1750
1751 const xs_dict *first_st = xs_list_get(timeline, 0);
1752 const xs_dict *last_st = xs_list_get(timeline, -1);
1753 const char *first_id = xs_dict_get(first_st, "id");
1754 const char *last_id = xs_dict_get(last_st, "id");
1755 const char *host = xs_dict_get(srv_config, "host");
1756 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1757
1758 s = xs_fmt(
1759 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1760 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1761 protocol, host, endpoint, last_id,
1762 protocol, host, endpoint, first_id);
1763
1764 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1765
1766 return s;
1767}
1768
1769
1770xs_list *mastoapi_account_lists(snac *user, const char *uid)
1771/* returns the list of list an user is in */
1772{
1773 xs_list *out = xs_list_new();
1774 xs *actor_md5 = NULL;
1775 xs *lol = list_maint(user, NULL, 0);
1776
1777 if (uid) {
1778 if (!xs_is_hex(uid))
1779 actor_md5 = xs_md5_hex(uid, strlen(uid));
1780 else
1781 actor_md5 = xs_dup(uid);
1782 }
1783
1784 const xs_list *li;
1785 xs_list_foreach(lol, li) {
1786 const char *list_id = xs_list_get(li, 0);
1787 const char *list_title = xs_list_get(li, 1);
1788 if (uid) {
1789 xs *users = list_members(user, list_id, NULL, 0);
1790 if (xs_list_in(users, actor_md5) == -1)
1791 continue;
1792 }
1793
1794 xs *d = xs_dict_new();
1795
1796 d = xs_dict_append(d, "id", list_id);
1797 d = xs_dict_append(d, "title", list_title);
1798 d = xs_dict_append(d, "replies_policy", "list");
1799 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1800
1801 out = xs_list_append(out, d);
1802 }
1803
1804 return out;
1805}
1806
1807
1808int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1809 char **body, int *b_size, char **ctype, xs_str **link)
1810{
1811 (void)b_size;
1812
1813 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1814 return 0;
1815
1816 int status = HTTP_STATUS_NOT_FOUND;
1817 const xs_dict *args = xs_dict_get(req, "q_vars");
1818 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1819
1820 snac snac1 = {0};
1821 int logged_in = process_auth_token(&snac1, req);
1822
1823 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1824 if (logged_in) {
1825 credentials_get(body, ctype, &status, snac1);
1826 }
1827 else {
1828 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1829 }
1830 }
1831 else
1832 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1833 /* find if an account is followed, blocked, etc. */
1834 /* the account to get relationships about is in args "id[]" */
1835
1836 if (logged_in) {
1837 xs *res = xs_list_new();
1838 const char *md5 = xs_dict_get(args, "id[]");
1839
1840 if (xs_is_null(md5))
1841 md5 = xs_dict_get(args, "id");
1842
1843 if (!xs_is_null(md5)) {
1844 if (xs_type(md5) == XSTYPE_LIST)
1845 md5 = xs_list_get(md5, 0);
1846
1847 xs *rel = mastoapi_relationship(&snac1, md5);
1848
1849 if (rel != NULL)
1850 res = xs_list_append(res, rel);
1851 }
1852
1853 *body = xs_json_dumps(res, 4);
1854 *ctype = "application/json";
1855 status = HTTP_STATUS_OK;
1856 }
1857 else
1858 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1859 }
1860 else
1861 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1862 /* lookup an account */
1863 const char *acct = xs_dict_get(args, "acct");
1864
1865 if (!xs_is_null(acct)) {
1866 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1867 xs *l = xs_split_n(s, "@", 1);
1868 const char *uid = xs_list_get(l, 0);
1869 const char *host = xs_list_get(l, 1);
1870
1871 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1872 snac user;
1873
1874 if (user_open(&user, uid)) {
1875 xs *actor = msg_actor(&user);
1876 xs *macct = mastoapi_account(NULL, actor);
1877
1878 *body = xs_json_dumps(macct, 4);
1879 *ctype = "application/json";
1880 status = HTTP_STATUS_OK;
1881
1882 user_free(&user);
1883 }
1884 }
1885 }
1886 }
1887 else
1888 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1889 /* account-related information */
1890 xs *l = xs_split(cmd, "/");
1891 const char *uid = xs_list_get(l, 3);
1892 const char *opt = xs_list_get(l, 4);
1893
1894 if (uid != NULL) {
1895 snac snac2;
1896 xs *out = NULL;
1897 xs *actor = NULL;
1898
1899 if (logged_in && strcmp(uid, "familiar_followers") == 0) { /** **/
1900 /* familiar followers endpoint - return empty array */
1901 out = xs_list_new();
1902 }
1903 else
1904 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1905 /* search for accounts starting with q */
1906 const char *aq = xs_dict_get(args, "q");
1907
1908 if (!xs_is_null(aq)) {
1909 xs *q = xs_utf8_to_lower(aq);
1910 out = xs_list_new();
1911 xs *wing = following_list(&snac1);
1912 xs *wers = follower_list(&snac1);
1913 xs *ulst = user_list();
1914 xs_list *p;
1915 const xs_str *v;
1916 xs_set seen;
1917
1918 xs_set_init(&seen);
1919
1920 /* user relations */
1921 xs_list *lsts[] = { wing, wers, NULL };
1922 int n;
1923 for (n = 0; (p = lsts[n]) != NULL; n++) {
1924
1925 while (xs_list_iter(&p, &v)) {
1926 /* already seen? skip */
1927 if (xs_set_add(&seen, v) == 0)
1928 continue;
1929
1930 xs *actor = NULL;
1931
1932 if (valid_status(object_get(v, &actor))) {
1933 const char *uname = xs_dict_get(actor, "preferredUsername");
1934
1935 if (!xs_is_null(uname)) {
1936 xs *luname = xs_tolower_i(xs_dup(uname));
1937
1938 if (xs_startswith(luname, q)) {
1939 xs *acct = mastoapi_account(&snac1, actor);
1940
1941 out = xs_list_append(out, acct);
1942 }
1943 }
1944 }
1945 }
1946 }
1947
1948 /* local users */
1949 p = ulst;
1950 while (xs_list_iter(&p, &v)) {
1951 snac user;
1952
1953 /* skip this same user */
1954 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1955 continue;
1956
1957 /* skip if the uid does not start with the query */
1958 xs *v2 = xs_tolower_i(xs_dup(v));
1959 if (!xs_startswith(v2, q))
1960 continue;
1961
1962 if (user_open(&user, v)) {
1963 /* if it's not already seen, add it */
1964 if (xs_set_add(&seen, user.actor) == 1) {
1965 xs *actor = msg_actor(&user);
1966 xs *acct = mastoapi_account(&snac1, actor);
1967
1968 out = xs_list_append(out, acct);
1969 }
1970
1971 user_free(&user);
1972 }
1973 }
1974
1975 xs_set_free(&seen);
1976 }
1977 }
1978 else
1979 /* is it a local user? */
1980 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1981 if (opt == NULL) {
1982 /* account information */
1983 actor = msg_actor(&snac2);
1984 out = mastoapi_account(NULL, actor);
1985 }
1986 else
1987 if (strcmp(opt, "statuses") == 0) { /** **/
1988 if (logged_in || xs_type(xs_dict_get(snac2.config, "private")) == XSTYPE_FALSE) {
1989 /* the public list of posts of a user */
1990 const char *limit_s = xs_dict_get(args, "limit");
1991 const char *o_max_id = xs_dict_get(args, "max_id");
1992 int limit = limit_s ? atoi(limit_s) : 20;
1993 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1994
1995 srv_debug(1, xs_fmt("account statuses: max_id=%s limit=%d", max_id ? max_id : "(null)", limit));
1996
1997 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
1998 xs_list *p = timeline;
1999 const xs_str *v;
2000 xs_set seen;
2001 int cnt = 0;
2002 int skip_until_max = max_id != NULL;
2003
2004 out = xs_list_new();
2005 xs_set_init(&seen);
2006
2007 while (xs_list_iter(&p, &v) && cnt < limit) {
2008 xs *msg = NULL;
2009
2010 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
2011 const char *msg_id = xs_dict_get(msg, "id");
2012
2013 /* add only posts by the author */
2014 if (!xs_is_null(msg_id) &&
2015 strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
2016 is_msg_mine(&snac2, xs_dict_get(msg, "id")) && is_msg_public(msg)) {
2017
2018 /* if max_id is set, skip entries until we find it */
2019 if (skip_until_max) {
2020 xs *mid = mastoapi_id(msg);
2021 if (strcmp(mid, max_id) == 0) {
2022 skip_until_max = 0;
2023 srv_debug(2, xs_fmt("account statuses: found max_id, starting from next post"));
2024 }
2025 continue;
2026 }
2027
2028 /* deduplicate by message id */
2029 if (xs_set_add(&seen, msg_id) == 1) {
2030 xs *st = mastoapi_status(&snac2, msg);
2031
2032 if (st) {
2033 out = xs_list_append(out, st);
2034 cnt++;
2035 }
2036 }
2037 }
2038 }
2039 }
2040
2041 srv_debug(1, xs_fmt("account statuses: returning %d posts (requested %d)", cnt, limit));
2042 xs_set_free(&seen);
2043 }
2044 else
2045 status = HTTP_STATUS_UNAUTHORIZED;
2046 }
2047 else
2048 if (strcmp(opt, "featured_tags") == 0) {
2049 /* snac doesn't have features tags, yet? */
2050 /* implement empty response so apps like Tokodon don't show an error */
2051 out = xs_list_new();
2052 }
2053 else
2054 if (strcmp(opt, "following") == 0) {
2055 xs *wing = following_list(&snac1);
2056 out = xs_list_new();
2057 int c = 0;
2058 const char *v;
2059
2060 while (xs_list_next(wing, &v, &c)) {
2061 xs *actor = NULL;
2062
2063 if (valid_status(object_get(v, &actor))) {
2064 xs *acct = mastoapi_account(NULL, actor);
2065 out = xs_list_append(out, acct);
2066 }
2067 }
2068 }
2069 else
2070 if (strcmp(opt, "followers") == 0) {
2071 out = xs_list_new();
2072 }
2073 else
2074 if (strcmp(opt, "lists") == 0) {
2075 out = mastoapi_account_lists(&snac1, uid);
2076 }
2077 else
2078 if (strcmp(opt, "familiar_followers") == 0) {
2079 /* familiar followers - not implemented, return empty array */
2080 out = xs_list_new();
2081 }
2082
2083 user_free(&snac2);
2084 }
2085 else {
2086 /* try the uid as the md5 of a possibly loaded actor */
2087 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
2088 if (opt == NULL) {
2089 /* account information */
2090 out = mastoapi_account(&snac1, actor);
2091 }
2092 else
2093 if (strcmp(opt, "statuses") == 0) {
2094 /* fetch statuses from remote outbox */
2095 out = xs_list_new();
2096 const char *outbox_url = xs_dict_get(actor, "outbox");
2097
2098 if (!xs_is_null(outbox_url)) {
2099 /* extract query parameters */
2100 const char *limit_s = xs_dict_get(args, "limit");
2101 const char *exclude_replies_s = xs_dict_get(args, "exclude_replies");
2102 const char *o_max_id = xs_dict_get(args, "max_id");
2103
2104 int limit = 20;
2105 if (!xs_is_null(limit_s))
2106 limit = atoi(limit_s);
2107 if (limit == 0 || limit > 40)
2108 limit = 20;
2109
2110 int exclude_replies = !xs_is_null(exclude_replies_s) &&
2111 strcmp(exclude_replies_s, "true") == 0;
2112
2113 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2114 int skip_until_max = max_id != NULL;
2115
2116 srv_debug(1, xs_fmt("remote account statuses: fetching from %s (max_id=%s limit=%d)",
2117 outbox_url, max_id ? max_id : "(null)", limit));
2118
2119 /* fetch first page only - safer for memory on large instances */
2120 xs *outbox_collection = NULL;
2121 xs *first_page = NULL;
2122 const xs_list *items = get_collection_items(&snac1, outbox_url,
2123 &outbox_collection, &first_page);
2124
2125 int count = 0;
2126 int processed = 0;
2127
2128 if (!xs_is_null(items) && xs_type(items) == XSTYPE_LIST) {
2129 int total_items = xs_list_len(items);
2130 srv_debug(1, xs_fmt("remote account statuses: got %d items from outbox", total_items));
2131
2132 const xs_val *item;
2133
2134 xs_list_foreach(items, item) {
2135 processed++;
2136
2137 if (count >= limit)
2138 break;
2139
2140 const xs_dict *post = extract_post_from_item(item);
2141 if (!post)
2142 continue;
2143
2144 const char *post_type = xs_dict_get(post, "type");
2145 const char *in_reply_to = xs_dict_get(post, "inReplyTo");
2146
2147 /* apply filters */
2148 if (exclude_replies && !xs_is_null(in_reply_to))
2149 continue;
2150
2151 if (is_valid_post_type(post_type)) {
2152 /* store object locally so mastoapi_id() can generate valid IDs */
2153 const char *post_id = xs_dict_get(post, "id");
2154 if (!xs_is_null(post_id))
2155 object_add(post_id, post);
2156
2157 /* handle pagination with max_id */
2158 if (skip_until_max) {
2159 xs *mid = mastoapi_id(post);
2160 if (!xs_is_null(mid) && strcmp(mid, max_id) == 0) {
2161 skip_until_max = 0;
2162 srv_debug(2, xs_fmt("remote account statuses: found max_id at position %d", processed));
2163 }
2164 continue;
2165 }
2166
2167 /* pass logged-in user context to enable media proxying if configured */
2168 xs *st = mastoapi_status(&snac1, post);
2169 if (st) {
2170 out = xs_list_append(out, st);
2171 count++;
2172 }
2173 }
2174 }
2175 }
2176 else {
2177 srv_debug(1, xs_fmt("remote account statuses: no items found in outbox"));
2178 }
2179
2180 srv_debug(1, xs_fmt("remote account statuses: processed %d items, returning %d posts (requested %d)",
2181 processed, count, limit));
2182 }
2183 }
2184 else
2185 if (strcmp(opt, "featured_tags") == 0) {
2186 /* snac doesn't have features tags, yet? */
2187 /* implement empty response so apps like Tokodon don't show an error */
2188 out = xs_list_new();
2189 }
2190 else
2191 if (strcmp(opt, "lists") == 0) {
2192 out = mastoapi_account_lists(&snac1, uid);
2193 }
2194 else
2195 if (strcmp(opt, "familiar_followers") == 0) {
2196 /* familiar followers - not implemented, return empty array */
2197 out = xs_list_new();
2198 }
2199 }
2200 }
2201
2202 if (out != NULL) {
2203 *body = xs_json_dumps(out, 4);
2204 *ctype = "application/json";
2205 status = HTTP_STATUS_OK;
2206 }
2207 }
2208 }
2209 else
2210 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
2211 /* the private timeline */
2212 if (logged_in) {
2213 xs *ifn = user_index_fn(&snac1, "private");
2214 xs *out = mastoapi_timeline(&snac1, args, ifn);
2215
2216 *link = timeline_link_header("/api/v1/timelines/home", out);
2217
2218 *body = xs_json_dumps(out, 4);
2219 *ctype = "application/json";
2220 status = HTTP_STATUS_OK;
2221
2222 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
2223 }
2224 else {
2225 status = HTTP_STATUS_UNAUTHORIZED;
2226 }
2227 }
2228 else
2229 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
2230 /* the instance public timeline (public timelines for all users) */
2231 xs *ifn = instance_index_fn();
2232 xs *out = mastoapi_timeline(NULL, args, ifn);
2233
2234 *body = xs_json_dumps(out, 4);
2235 *ctype = "application/json";
2236 status = HTTP_STATUS_OK;
2237 }
2238 else
2239 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
2240 /* get the tag */
2241 xs *l = xs_split(cmd, "/");
2242 const char *tag = xs_list_get(l, -1);
2243
2244 xs *ifn = tag_fn(tag);
2245 xs *out = mastoapi_timeline(NULL, args, ifn);
2246
2247 *body = xs_json_dumps(out, 4);
2248 *ctype = "application/json";
2249 status = HTTP_STATUS_OK;
2250 }
2251 else
2252 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
2253 /* get the list id */
2254 if (logged_in) {
2255 xs *l = xs_split(cmd, "/");
2256 const char *list = xs_list_get(l, -1);
2257
2258 xs *ifn = list_timeline_fn(&snac1, list);
2259 xs *out = mastoapi_timeline(NULL, args, ifn);
2260
2261 *body = xs_json_dumps(out, 4);
2262 *ctype = "application/json";
2263 status = HTTP_STATUS_OK;
2264 }
2265 else
2266 status = HTTP_STATUS_MISDIRECTED_REQUEST;
2267 }
2268 else
2269 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
2270 /* TBD */
2271 *body = xs_dup("[]");
2272 *ctype = "application/json";
2273 status = HTTP_STATUS_OK;
2274 }
2275 else
2276 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
2277 if (logged_in) {
2278 xs *l = notify_list(&snac1, 0, 64);
2279 xs *out = xs_list_new();
2280 const char *v;
2281 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
2282 const xs_list *incl = xs_dict_get(args, "types[]");
2283 const char *min_id = xs_dict_get(args, "min_id");
2284 const char *max_id = xs_dict_get(args, "max_id");
2285 const char *limit = xs_dict_get(args, "limit");
2286 int limit_count = 0;
2287 if (xs_is_string(limit)) {
2288 limit_count = atoi(limit);
2289 }
2290
2291 if (dbglevel) {
2292 xs *js = xs_json_dumps(args, 0);
2293 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
2294 }
2295
2296 xs_list_foreach(l, v) {
2297 xs *noti = notify_get(&snac1, v);
2298
2299 if (noti == NULL)
2300 continue;
2301
2302 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2303
2304 const char *type = xs_dict_get(noti, "type");
2305 const char *utype = xs_dict_get(noti, "utype");
2306 const char *objid = xs_dict_get(noti, "objid");
2307 const char *id = xs_dict_get(noti, "id");
2308 const char *actid = xs_dict_get(noti, "actor");
2309
2310 int isEmoji = 0;
2311
2312 xs *fid = xs_replace(id, ".", "");
2313 xs *actor = NULL;
2314 xs *entry = NULL;
2315
2316 if (tag) {
2317 isEmoji = strcmp(xs_dict_get(tag, "type"), "Emoji") ? 0 : 1;
2318 }
2319
2320 if (!valid_status(actor_get(actid, &actor)))
2321 continue;
2322
2323 if (objid != NULL && !valid_status(object_get(objid, &entry)))
2324 continue;
2325
2326 if (is_hidden(&snac1, objid))
2327 continue;
2328
2329 if (max_id) {
2330 if (strcmp(fid, max_id) == 0)
2331 max_id = NULL;
2332
2333 continue;
2334 }
2335
2336 if (min_id) {
2337 if (strcmp(fid, min_id) <= 0) {
2338 continue;
2339 }
2340 }
2341
2342 /* convert the type */
2343 if (strcmp(type, "Like") == 0 && !isEmoji)
2344 type = "favourite";
2345 else
2346 if (isEmoji || strcmp(type, "EmojiReact") == 0)
2347 type = "reaction";
2348 else
2349 if (strcmp(type, "Announce") == 0)
2350 type = "reblog";
2351 else
2352 if (strcmp(type, "Follow") == 0)
2353 type = "follow";
2354 else
2355 if (strcmp(type, "Create") == 0)
2356 type = "mention";
2357 else
2358 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
2359 type = "poll";
2360 else
2361 continue;
2362
2363 /* excluded type? */
2364 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
2365 continue;
2366
2367 /* included type? */
2368 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
2369 continue;
2370
2371 xs *mn = xs_dict_new();
2372
2373 mn = xs_dict_append(mn, "type", type);
2374
2375 mn = xs_dict_append(mn, "id", fid);
2376
2377 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
2378
2379 xs *acct = mastoapi_account(&snac1, actor);
2380
2381 if (acct == NULL)
2382 continue;
2383
2384 mn = xs_dict_append(mn, "account", acct);
2385
2386 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
2387 xs *st = mastoapi_status(&snac1, entry);
2388
2389 if (st) {
2390 mn = xs_dict_append(mn, "status", st);
2391
2392 if (strcmp(type, "reaction") == 0 && !xs_is_null(objid)) {
2393 const char *eid = NULL;
2394 const char *url = NULL;
2395 int utf = 0;
2396
2397 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2398 const char *content = xs_dict_get_path(noti, "msg.content");
2399
2400 url = xs_dict_get(xs_dict_get(tag, "icon"), "url");
2401 eid = xs_dict_get(tag, "name");
2402
2403 if (eid && url) {
2404 mn = xs_dict_append(mn, "emoji", eid);
2405 mn = xs_dict_append(mn, "emoji_url", url);
2406 }
2407
2408 if (xs_is_emoji((utf = xs_utf8_dec(&content)))) {
2409 xs *s1 = xs_fmt("&#%d;", utf);
2410 mn = xs_dict_append(mn, "name", s1);
2411 }
2412 }
2413 }
2414 }
2415
2416 out = xs_list_append(out, mn);
2417
2418 if (--limit_count <= 0)
2419 break;
2420 }
2421
2422 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
2423
2424 *body = xs_json_dumps(out, 4);
2425 *ctype = "application/json";
2426 status = HTTP_STATUS_OK;
2427 }
2428 else
2429 status = HTTP_STATUS_UNAUTHORIZED;
2430 }
2431 else
2432 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2433 /* snac will never have filters */
2434 *body = xs_dup("[]");
2435 *ctype = "application/json";
2436 status = HTTP_STATUS_OK;
2437 }
2438 else
2439 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2440 /* snac will never have filters
2441 * but still, without a v2 endpoint a short delay is introduced
2442 * in some apps */
2443 *body = xs_dup("[]");
2444 *ctype = "application/json";
2445 status = HTTP_STATUS_OK;
2446 }
2447 else
2448 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2449 /* snac will never support a list of favourites */
2450 *body = xs_dup("[]");
2451 *ctype = "application/json";
2452 status = HTTP_STATUS_OK;
2453 }
2454 else
2455 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2456 if (logged_in) {
2457 xs *ifn = bookmark_index_fn(&snac1);
2458 xs *out = mastoapi_timeline(&snac1, args, ifn);
2459
2460 *body = xs_json_dumps(out, 4);
2461 *ctype = "application/json";
2462 status = HTTP_STATUS_OK;
2463 }
2464 else
2465 status = HTTP_STATUS_UNAUTHORIZED;
2466 }
2467 else
2468 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2469 if (logged_in) {
2470 xs *l = mastoapi_account_lists(&snac1, NULL);
2471
2472 *body = xs_json_dumps(l, 4);
2473 *ctype = "application/json";
2474 status = HTTP_STATUS_OK;
2475 }
2476 else
2477 status = HTTP_STATUS_UNAUTHORIZED;
2478 }
2479 else
2480 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2481 if (logged_in) {
2482 xs *l = xs_split(cmd, "/");
2483 const char *p = xs_list_get(l, -1);
2484
2485 if (p) {
2486 if (strcmp(p, "accounts") == 0) {
2487 p = xs_list_get(l, -2);
2488
2489 if (p && xs_is_hex(p)) {
2490 xs *actors = list_members(&snac1, p, NULL, 0);
2491 xs *out = xs_list_new();
2492 int c = 0;
2493 const char *v;
2494
2495 while (xs_list_next(actors, &v, &c)) {
2496 xs *actor = NULL;
2497
2498 if (valid_status(object_get_by_md5(v, &actor))) {
2499 xs *acct = mastoapi_account(&snac1, actor);
2500 out = xs_list_append(out, acct);
2501 }
2502 }
2503
2504 *body = xs_json_dumps(out, 4);
2505 *ctype = "application/json";
2506 status = HTTP_STATUS_OK;
2507 }
2508 }
2509 else
2510 if (xs_is_hex(p)) {
2511 xs *out = xs_list_new();
2512 xs *lol = list_maint(&snac1, NULL, 0);
2513 int c = 0;
2514 const xs_list *v;
2515
2516 while (xs_list_next(lol, &v, &c)) {
2517 const char *id = xs_list_get(v, 0);
2518
2519 if (id && strcmp(id, p) == 0) {
2520 xs *d = xs_dict_new();
2521
2522 d = xs_dict_append(d, "id", p);
2523 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2524 d = xs_dict_append(d, "replies_policy", "list");
2525 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2526
2527 out = xs_dup(d);
2528 break;
2529 }
2530 }
2531
2532 *body = xs_json_dumps(out, 4);
2533 *ctype = "application/json";
2534 status = HTTP_STATUS_OK;
2535 }
2536 }
2537 }
2538 else
2539 status = HTTP_STATUS_UNAUTHORIZED;
2540 }
2541 else
2542 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2543 /* TBD */
2544 *body = xs_dup("[]");
2545 *ctype = "application/json";
2546 status = HTTP_STATUS_OK;
2547 }
2548 else
2549 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2550 if (logged_in) {
2551 xs *pend = pending_list(&snac1);
2552 xs *resp = xs_list_new();
2553 const char *id;
2554
2555 xs_list_foreach(pend, id) {
2556 xs *actor = NULL;
2557
2558 if (valid_status(object_get(id, &actor))) {
2559 xs *acct = mastoapi_account(&snac1, actor);
2560
2561 if (acct)
2562 resp = xs_list_append(resp, acct);
2563 }
2564 }
2565
2566 *body = xs_json_dumps(resp, 4);
2567 *ctype = "application/json";
2568 status = HTTP_STATUS_OK;
2569 }
2570 }
2571 else
2572 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2573 if (logged_in) {
2574 xs *resp = xs_list_new();
2575 double la = 0.0;
2576 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2577 if (user_la != NULL)
2578 la = xs_number_get(user_la);
2579 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2580
2581 /* contrary to html, we always send the announcement and set the read flag instead */
2582
2583 const t_announcement *annce = announcement(la);
2584 if (annce != NULL && annce->text != NULL) {
2585 xs *an = xs_dict_new();
2586 xs *id = xs_fmt("%d", annce->timestamp);
2587 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2588
2589 an = xs_dict_set(an, "id", id);
2590 an = xs_dict_set(an, "content", ct);
2591 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2592 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2593 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2594 an = xs_dict_set(an, "published_at", val_date);
2595 an = xs_dict_set(an, "updated_at", val_date);
2596 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2597 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2598 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2599 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2600 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2601 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2602 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2603 resp = xs_list_append(resp, an);
2604 }
2605
2606 *body = xs_json_dumps(resp, 4);
2607 *ctype = "application/json";
2608 status = HTTP_STATUS_OK;
2609 }
2610 }
2611 else
2612 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2613 xs *emo = emojis();
2614 xs *list = xs_list_new();
2615 int c = 0;
2616 const xs_str *k;
2617 const xs_val *v;
2618 while(xs_dict_next(emo, &k, &v, &c)) {
2619 xs *current = xs_dict_new();
2620 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2621 /* remove first and last colon */
2622 xs *shortcode = xs_replace(k, ":", "");
2623 current = xs_dict_append(current, "shortcode", shortcode);
2624 current = xs_dict_append(current, "url", v);
2625 current = xs_dict_append(current, "static_url", v);
2626 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2627 list = xs_list_append(list, current);
2628 }
2629 }
2630 *body = xs_json_dumps(list, 0);
2631 *ctype = "application/json";
2632 status = HTTP_STATUS_OK;
2633 }
2634 else
2635 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2636 /* returns an instance object */
2637 xs *ins = xs_dict_new();
2638 const char *host = xs_dict_get(srv_config, "host");
2639 const char *title = xs_dict_get(srv_config, "title");
2640 const char *sdesc = xs_dict_get(srv_config, "short_description");
2641
2642 ins = xs_dict_append(ins, "uri", host);
2643 ins = xs_dict_append(ins, "domain", host);
2644 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2645 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2646 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2647 ins = xs_dict_append(ins, "description", host);
2648
2649 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2650
2651 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2652 ins = xs_dict_append(ins, "thumbnail", susie);
2653
2654 const char *v = xs_dict_get(srv_config, "admin_email");
2655 if (xs_is_null(v) || *v == '\0')
2656 v = "admin@localhost";
2657
2658 ins = xs_dict_append(ins, "email", v);
2659
2660 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2661
2662 xs *l1 = xs_list_append(xs_list_new(), "en");
2663 ins = xs_dict_append(ins, "languages", l1);
2664
2665 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2666 xs *urls = xs_dict_new();
2667 urls = xs_dict_append(urls, "streaming_api", wss);
2668
2669 ins = xs_dict_append(ins, "urls", urls);
2670
2671 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2672 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2673 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2674 ins = xs_dict_append(ins, "stats", d2);
2675
2676 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2677 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2678 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2679
2680 xs *cfg = xs_dict_new();
2681
2682 {
2683 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2684 "\"max_characters\":100000,\"max_media_attachments\":4}");
2685
2686 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2687 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2688 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2689
2690 cfg = xs_dict_append(cfg, "statuses", d11);
2691
2692 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2693 cfg = xs_dict_append(cfg, "accounts", d12);
2694
2695 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2696 "\"image_size_limit\":16777216,"
2697 "\"video_frame_rate_limit\":120,"
2698 "\"video_matrix_limit\":8294400,"
2699 "\"video_size_limit\":103809024}"
2700 );
2701
2702 {
2703 /* get the supported mime types from the internal list */
2704 const char **p = xs_mime_types;
2705 xs_set mtypes;
2706 xs_set_init(&mtypes);
2707
2708 while (*p) {
2709 const char *type = p[1];
2710
2711 if (xs_startswith(type, "image/") ||
2712 xs_startswith(type, "video/") ||
2713 xs_startswith(type, "audio/"))
2714 xs_set_add(&mtypes, type);
2715
2716 p += 2;
2717 }
2718
2719 xs *l = xs_set_result(&mtypes);
2720 d13 = xs_dict_append(d13, "supported_mime_types", l);
2721 }
2722
2723 cfg = xs_dict_append(cfg, "media_attachments", d13);
2724
2725 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2726 "\"max_expiration\":2629746,"
2727 "\"max_options\":8,\"min_expiration\":300}");
2728 cfg = xs_dict_append(cfg, "polls", d14);
2729
2730
2731 xs *d15 = xs_json_loads("{\"max_reactions\":50}");
2732 cfg = xs_dict_append(cfg, "reactions", d15);
2733
2734 }
2735
2736 ins = xs_dict_append(ins, "configuration", cfg);
2737
2738 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2739
2740 if (!xs_is_null(admin_account) && *admin_account) {
2741 snac admin;
2742
2743 if (user_open(&admin, admin_account)) {
2744 xs *actor = msg_actor(&admin);
2745 xs *acct = mastoapi_account(NULL, actor);
2746
2747 ins = xs_dict_append(ins, "contact_account", acct);
2748
2749 user_free(&admin);
2750 }
2751 }
2752
2753 *body = xs_json_dumps(ins, 4);
2754 *ctype = "application/json";
2755 status = HTTP_STATUS_OK;
2756 }
2757 else
2758 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2759 /* get the collected inbox list as the instances "this domain is aware of" */
2760 xs *list = inbox_list();
2761 xs *peers = xs_list_new();
2762 const char *inbox;
2763
2764 xs_list_foreach(list, inbox) {
2765 xs *l = xs_split(inbox, "/");
2766 const char *domain = xs_list_get(l, 2);
2767
2768 if (xs_is_string(domain))
2769 peers = xs_list_append(peers, domain);
2770 }
2771
2772 *body = xs_json_dumps(peers, 4);
2773 *ctype = "application/json";
2774 status = HTTP_STATUS_OK;
2775 }
2776 else
2777 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2778 xs *d = xs_dict_new();
2779 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2780 time_t t = mtime(greeting);
2781 xs *updated_at = xs_str_iso_date(t);
2782 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2783
2784 d = xs_dict_set(d, "updated_at", updated_at);
2785 d = xs_dict_set(d, "content", content);
2786
2787 *body = xs_json_dumps(d, 4);
2788 *ctype = "application/json";
2789 status = HTTP_STATUS_OK;
2790 }
2791 else
2792 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2793 /* information about a status */
2794 if (logged_in) {
2795 xs *l = xs_split(cmd, "/");
2796 const char *oid = xs_list_get(l, 3);
2797 const char *op = xs_list_get(l, 4);
2798
2799 if (!xs_is_null(oid)) {
2800 xs *msg = NULL;
2801 xs *out = NULL;
2802
2803 /* skip the 'fake' part of the id */
2804 oid = MID_TO_MD5(oid);
2805
2806 xs *id = xs_tolower_i(xs_dup(oid));
2807
2808 if (valid_status(object_get_by_md5(id, &msg))) {
2809 if (op == NULL) {
2810 if (!is_muted(&snac1, get_atto(msg))) {
2811 /* return the status itself */
2812 out = mastoapi_status(&snac1, msg);
2813 }
2814 }
2815 else
2816 if (strcmp(op, "context") == 0) { /** **/
2817 /* return ancestors and children */
2818 xs *anc = xs_list_new();
2819 xs *des = xs_list_new();
2820 xs_list *p;
2821 const xs_str *v;
2822 char pid[MD5_HEX_SIZE];
2823
2824 /* build the [grand]parent list, moving up */
2825 strncpy(pid, id, sizeof(pid));
2826
2827 while (object_parent(pid, pid)) {
2828 xs *m2 = NULL;
2829
2830 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2831 xs *st = mastoapi_status(&snac1, m2);
2832
2833 if (st)
2834 anc = xs_list_insert(anc, 0, st);
2835 }
2836 else
2837 break;
2838 }
2839
2840 /* build the children list */
2841 xs *children = object_children(xs_dict_get(msg, "id"));
2842 p = children;
2843
2844 while (xs_list_iter(&p, &v)) {
2845 xs *m2 = NULL;
2846
2847 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2848 if (xs_is_null(xs_dict_get(m2, "name"))) {
2849 xs *st = mastoapi_status(&snac1, m2);
2850
2851 if (st)
2852 des = xs_list_append(des, st);
2853 }
2854 }
2855 }
2856
2857 out = xs_dict_new();
2858 out = xs_dict_append(out, "ancestors", anc);
2859 out = xs_dict_append(out, "descendants", des);
2860 }
2861 else
2862 if (strcmp(op, "reblogged_by") == 0 || /** **/
2863 strcmp(op, "favourited_by") == 0) { /** **/
2864 /* return the list of people who liked or boosted this */
2865 out = xs_list_new();
2866
2867 xs *l = NULL;
2868
2869 if (op[0] == 'r')
2870 l = object_announces(xs_dict_get(msg, "id"));
2871 else
2872 l = object_likes(xs_dict_get(msg, "id"));
2873
2874 xs_list *p = l;
2875 const xs_str *v;
2876
2877 while (xs_list_iter(&p, &v)) {
2878 xs *actor2 = NULL;
2879
2880 if (valid_status(object_get_by_md5(v, &actor2))) {
2881 xs *acct2 = mastoapi_account(&snac1, actor2);
2882
2883 out = xs_list_append(out, acct2);
2884 }
2885 }
2886 }
2887 else
2888 if (strcmp(op, "source") == 0) { /** **/
2889 out = xs_dict_new();
2890
2891 /* get the mastoapi status id */
2892 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2893
2894 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2895 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2896 }
2897 }
2898 else
2899 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2900
2901 if (out != NULL) {
2902 *body = xs_json_dumps(out, 4);
2903 *ctype = "application/json";
2904 status = HTTP_STATUS_OK;
2905 }
2906 }
2907 }
2908 else
2909 status = HTTP_STATUS_UNAUTHORIZED;
2910 }
2911 else
2912 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2913 /* TBD */
2914 *body = xs_dup("{}");
2915 *ctype = "application/json";
2916 status = HTTP_STATUS_OK;
2917 }
2918 else
2919 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2920 if (logged_in) {
2921 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2922 xs_str *json = NULL;
2923 if (!xs_is_null(timeline))
2924 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2925
2926 if (!xs_is_null(json))
2927 *body = json;
2928 else
2929 *body = xs_dup("{}");
2930
2931 *ctype = "application/json";
2932 status = HTTP_STATUS_OK;
2933 }
2934 else
2935 status = HTTP_STATUS_UNAUTHORIZED;
2936 }
2937 else
2938 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2939 if (logged_in) {
2940 xs *r = xs_list_new();
2941 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2942 "followed_hashtags", xs_stock(XSTYPE_LIST));
2943 const char *hashtag;
2944
2945 xs_list_foreach(followed_hashtags, hashtag) {
2946 if (*hashtag == '#') {
2947 xs *d = xs_dict_new();
2948 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2949
2950 d = xs_dict_set(d, "name", hashtag + 1);
2951 d = xs_dict_set(d, "url", s);
2952 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2953
2954 r = xs_list_append(r, d);
2955 }
2956 }
2957
2958 *body = xs_json_dumps(r, 4);
2959 *ctype = "application/json";
2960 status = HTTP_STATUS_OK;
2961 }
2962 else
2963 status = HTTP_STATUS_UNAUTHORIZED;
2964 }
2965 else
2966 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
2967 *body = xs_dup("[]");
2968 *ctype = "application/json";
2969 status = HTTP_STATUS_OK;
2970 }
2971 else
2972 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
2973 *body = xs_dup("[]");
2974 *ctype = "application/json";
2975 status = HTTP_STATUS_OK;
2976 }
2977 else
2978 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2979 *body = xs_dup("[]");
2980 *ctype = "application/json";
2981 status = HTTP_STATUS_OK;
2982 }
2983 else
2984 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2985 *body = xs_dup("[]");
2986 *ctype = "application/json";
2987 status = HTTP_STATUS_OK;
2988 }
2989 else
2990 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2991 if (logged_in) {
2992 const char *q = xs_dict_get(args, "q");
2993 const char *type = xs_dict_get(args, "type");
2994 const char *offset = xs_dict_get(args, "offset");
2995
2996 xs *acl = xs_list_new();
2997 xs *stl = xs_list_new();
2998 xs *htl = xs_list_new();
2999 xs *res = xs_dict_new();
3000
3001 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
3002 /* reply something only for offset 0; otherwise,
3003 apps like Tusky keep asking again and again */
3004 if (xs_startswith(q, "https://")) {
3005 if (!timeline_here(&snac1, q)) {
3006 xs *object = NULL;
3007 int status;
3008
3009 status = activitypub_request(&snac1, q, &object);
3010 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
3011
3012 if (valid_status(status)) {
3013 /* got it; also request the actor */
3014 const char *attr_to = get_atto(object);
3015 xs *actor_obj = NULL;
3016
3017 if (!xs_is_null(attr_to)) {
3018 status = actor_request(&snac1, attr_to, &actor_obj);
3019
3020 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
3021
3022 if (valid_status(status)) {
3023 /* add the actor */
3024 actor_add(attr_to, actor_obj);
3025
3026 /* add the post to the timeline */
3027 timeline_add(&snac1, q, object);
3028 }
3029 }
3030 }
3031 }
3032 }
3033
3034 if (!xs_is_null(q)) {
3035 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
3036 /* do a webfinger query */
3037 char *actor = NULL;
3038 char *user = NULL;
3039
3040 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
3041 xs *actor_o = NULL;
3042
3043 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
3044 xs *acct = mastoapi_account(NULL, actor_o);
3045
3046 acl = xs_list_append(acl, acct);
3047
3048 if (!object_here(actor))
3049 object_add(actor, actor_o);
3050 }
3051 }
3052 }
3053
3054 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
3055 /* search this tag */
3056 xs *tl = tag_search((char *)q, 0, 1);
3057
3058 if (xs_list_len(tl)) {
3059 xs *d = xs_dict_new();
3060
3061 d = xs_dict_append(d, "name", q);
3062 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
3063 d = xs_dict_append(d, "url", url);
3064 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
3065
3066 htl = xs_list_append(htl, d);
3067 }
3068 }
3069
3070 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
3071 int to = 0;
3072 int cnt = 40;
3073 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
3074 int c = 0;
3075 const char *v;
3076
3077 while (xs_list_next(tl, &v, &c) && --cnt) {
3078 xs *post = NULL;
3079
3080 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
3081 continue;
3082
3083 xs *s = mastoapi_status(&snac1, post);
3084
3085 if (!xs_is_null(s))
3086 stl = xs_list_append(stl, s);
3087 }
3088 }
3089 }
3090 }
3091
3092 res = xs_dict_append(res, "accounts", acl);
3093 res = xs_dict_append(res, "statuses", stl);
3094 res = xs_dict_append(res, "hashtags", htl);
3095
3096 *body = xs_json_dumps(res, 4);
3097 *ctype = "application/json";
3098 status = HTTP_STATUS_OK;
3099 }
3100 else
3101 status = HTTP_STATUS_UNAUTHORIZED;
3102 }
3103
3104 /* user cleanup */
3105 if (logged_in)
3106 user_free(&snac1);
3107
3108 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
3109
3110 return status;
3111}
3112
3113
3114int mastoapi_post_handler(const xs_dict *req, const char *q_path,
3115 const char *payload, int p_size,
3116 char **body, int *b_size, char **ctype)
3117{
3118 (void)p_size;
3119 (void)b_size;
3120
3121 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3122 return 0;
3123
3124 int status = HTTP_STATUS_NOT_FOUND;
3125 xs *args = NULL;
3126 const char *i_ctype = xs_dict_get(req, "content-type");
3127
3128 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3129 if (!xs_is_null(payload)) {
3130 args = xs_json_loads(payload);
3131 }
3132 }
3133 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3134 {
3135 // Some apps send form data instead of json so we should cater for those
3136 if (!xs_is_null(payload)) {
3137 args = xs_url_vars(payload);
3138 }
3139 }
3140 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
3141 {
3142 // Handle multipart/form-data by using p_vars (already parsed by httpd)
3143 args = xs_dup(xs_dict_get(req, "p_vars"));
3144 }
3145
3146 /* if args still NULL, try falling back to p_vars or q_vars */
3147 if (args == NULL)
3148 args = xs_dup(xs_dict_get(req, "p_vars"));
3149
3150 if (args == NULL)
3151 args = xs_dup(xs_dict_get(req, "q_vars"));
3152
3153 if (args == NULL) {
3154 srv_debug(1, xs_fmt("mastoapi_post_handler: failed to parse args for %s, content-type: %s",
3155 q_path, i_ctype ? i_ctype : "(null)"));
3156 return HTTP_STATUS_BAD_REQUEST;
3157 }
3158
3159 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3160
3161 snac snac = {0};
3162 int logged_in = process_auth_token(&snac, req);
3163
3164 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
3165 const char *name = xs_dict_get(args, "client_name");
3166 const char *ruri = xs_dict_get(args, "redirect_uris");
3167 const char *scope = xs_dict_get(args, "scope");
3168
3169 /* Ice Cubes sends these values as query parameters, so try these */
3170 if (name == NULL && ruri == NULL && scope == NULL) {
3171 args = xs_dup(xs_dict_get(req, "q_vars"));
3172 name = xs_dict_get(args, "client_name");
3173 ruri = xs_dict_get(args, "redirect_uris");
3174 scope = xs_dict_get(args, "scope");
3175 }
3176
3177 if (xs_type(ruri) == XSTYPE_LIST)
3178 ruri = xs_dict_get(ruri, 0);
3179
3180 if (name && ruri) {
3181 xs *app = xs_dict_new();
3182 xs *id = xs_replace_i(tid(0), ".", "");
3183 xs *csec = random_str();
3184 xs *vkey = xs_dup(xs_dict_get(srv_config, "vkey"));
3185 if (vkey == NULL)
3186 vkey = random_str();
3187
3188 xs *cid = NULL;
3189
3190 /* pick a non-existent random cid */
3191 for (;;) {
3192 cid = random_str();
3193 xs *p_app = app_get(cid);
3194
3195 if (p_app == NULL)
3196 break;
3197
3198 xs_free(cid);
3199 }
3200
3201 app = xs_dict_append(app, "name", name);
3202 app = xs_dict_append(app, "redirect_uri", ruri);
3203 app = xs_dict_append(app, "client_id", cid);
3204 app = xs_dict_append(app, "client_secret", csec);
3205 app = xs_dict_append(app, "vapid_key", vkey);
3206 app = xs_dict_append(app, "id", id);
3207
3208 *body = xs_json_dumps(app, 4);
3209 *ctype = "application/json";
3210 status = HTTP_STATUS_OK;
3211
3212 app = xs_dict_append(app, "code", "");
3213
3214 if (scope)
3215 app = xs_dict_append(app, "scope", scope);
3216
3217 app_add(cid, app);
3218
3219 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
3220 }
3221 }
3222 else
3223 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
3224 if (logged_in) {
3225 /* post a new Note */
3226 const char *content = xs_dict_get(args, "status");
3227 const char *mid = xs_dict_get(args, "in_reply_to_id");
3228 const char *visibility = xs_dict_get(args, "visibility");
3229 const char *summary = xs_dict_get(args, "spoiler_text");
3230 const char *media_ids = xs_dict_get(args, "media_ids");
3231 const char *language = xs_dict_get(args, "language");
3232
3233 if (xs_is_null(media_ids))
3234 media_ids = xs_dict_get(args, "media_ids[]");
3235
3236 if (xs_is_null(media_ids))
3237 media_ids = xs_dict_get(args, "media_ids");
3238
3239 if (xs_is_null(visibility))
3240 visibility = "public";
3241
3242 xs *attach_list = xs_list_new();
3243 xs *irt = NULL;
3244
3245 /* is it a reply? */
3246 if (mid != NULL) {
3247 xs *r_msg = NULL;
3248 const char *md5 = MID_TO_MD5(mid);
3249
3250 if (valid_status(object_get_by_md5(md5, &r_msg)))
3251 irt = xs_dup(xs_dict_get(r_msg, "id"));
3252 }
3253
3254 /* does it have attachments? */
3255 if (!xs_is_null(media_ids)) {
3256 xs *mi = NULL;
3257
3258 if (xs_type(media_ids) == XSTYPE_LIST)
3259 mi = xs_dup(media_ids);
3260 else {
3261 mi = xs_list_new();
3262 mi = xs_list_append(mi, media_ids);
3263 }
3264
3265 xs_list *p = mi;
3266 const xs_str *v;
3267
3268 while (xs_list_iter(&p, &v)) {
3269 xs *l = xs_list_new();
3270 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
3271 xs *desc = static_get_meta(&snac, v);
3272
3273 l = xs_list_append(l, url);
3274 l = xs_list_append(l, desc);
3275
3276 attach_list = xs_list_append(attach_list, l);
3277 }
3278 }
3279
3280 /* prepare the message */
3281 int scope = SCOPE_MENTIONED;
3282 if (strcmp(visibility, "unlisted") == 0)
3283 scope = SCOPE_UNLISTED;
3284 else
3285 if (strcmp(visibility, "public") == 0)
3286 scope = SCOPE_PUBLIC;
3287 else
3288 if (strcmp(visibility, "private") == 0)
3289 scope = SCOPE_FOLLOWERS;
3290
3291 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
3292
3293 if (!xs_is_null(summary) && *summary) {
3294 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
3295 msg = xs_dict_set(msg, "summary", summary);
3296 }
3297
3298 /* scheduled? */
3299 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
3300
3301 if (xs_is_string(scheduled_at) && *scheduled_at) {
3302 msg = xs_dict_set(msg, "published", scheduled_at);
3303
3304 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
3305 }
3306 else {
3307 /* store */
3308 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3309
3310 /* 'Create' message */
3311 xs *c_msg = msg_create(&snac, msg);
3312 enqueue_message(&snac, c_msg);
3313
3314 timeline_touch(&snac);
3315 }
3316
3317 /* convert to a mastodon status as a response code */
3318 xs *st = mastoapi_status(&snac, msg);
3319
3320 *body = xs_json_dumps(st, 4);
3321 *ctype = "application/json";
3322 status = HTTP_STATUS_OK;
3323 }
3324 else
3325 status = HTTP_STATUS_UNAUTHORIZED;
3326 }
3327 else
3328 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
3329 if (logged_in) {
3330 /* operations on a status */
3331 xs *l = xs_split(cmd, "/");
3332 const char *mid = xs_list_get(l, 3);
3333 const char *op = xs_list_get(l, 4);
3334
3335 if (!xs_is_null(mid)) {
3336 xs *msg = NULL;
3337 xs *out = NULL;
3338
3339 /* skip the 'fake' part of the id */
3340 mid = MID_TO_MD5(mid);
3341
3342 /* try timeline first, then global object store for remote posts */
3343 int found = valid_status(timeline_get_by_md5(&snac, mid, &msg));
3344 if (!found)
3345 found = valid_status(object_get_by_md5(mid, &msg));
3346
3347 if (found) {
3348 const char *id = xs_dict_get(msg, "id");
3349
3350 if (op == NULL) {
3351 /* no operation (?) */
3352 }
3353 else
3354 if (strcmp(op, "favourite") == 0) { /** **/
3355 xs *n_msg = msg_admiration(&snac, id, "Like");
3356
3357 if (n_msg != NULL) {
3358 enqueue_message(&snac, n_msg);
3359 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1, msg);
3360
3361 out = mastoapi_status(&snac, msg);
3362 }
3363 }
3364 else
3365 if (strcmp(op, "unfavourite") == 0) { /** **/
3366 xs *n_msg = msg_repulsion(&snac, id, "Like");
3367
3368 if (n_msg != NULL) {
3369 enqueue_message(&snac, n_msg);
3370
3371 out = mastoapi_status(&snac, msg);
3372 }
3373 }
3374 else
3375 if (strcmp(op, "react") == 0) { /** **/
3376 const char *eid = xs_list_get(l, 5);
3377 xs *n_msg = msg_emoji_init(&snac, id, eid);
3378 if (n_msg)
3379 out = mastoapi_status(&snac, n_msg);
3380 }
3381 else
3382 if (strcmp(op, "unreact") == 0) { /** **/
3383 const char *eid = xs_list_get(l, 5);
3384 xs *content = xs_fmt("%s", eid);
3385
3386 if (eid) {
3387 xs *n_msg = msg_emoji_unreact(&snac, id, content);
3388
3389 if (n_msg != NULL) {
3390 enqueue_message(&snac, n_msg);
3391
3392 out = mastoapi_status(&snac, msg);
3393 }
3394 }
3395 }
3396
3397 else
3398 if (strcmp(op, "reblog") == 0) { /** **/
3399 xs *n_msg = msg_admiration(&snac, id, "Announce");
3400
3401 if (n_msg != NULL) {
3402 enqueue_message(&snac, n_msg);
3403 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0, msg);
3404
3405 out = mastoapi_status(&snac, msg);
3406 }
3407 }
3408 else
3409 if (strcmp(op, "unreblog") == 0) { /** **/
3410 xs *n_msg = msg_repulsion(&snac, id, "Announce");
3411
3412 if (n_msg != NULL) {
3413 enqueue_message(&snac, n_msg);
3414
3415 out = mastoapi_status(&snac, msg);
3416 }
3417 }
3418 else
3419 if (strcmp(op, "bookmark") == 0) { /** **/
3420 /* bookmark this message */
3421 if (bookmark(&snac, id) == 0)
3422 out = mastoapi_status(&snac, msg);
3423 else
3424 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3425 }
3426 else
3427 if (strcmp(op, "unbookmark") == 0) { /** **/
3428 /* unbookmark this message */
3429 unbookmark(&snac, id);
3430 out = mastoapi_status(&snac, msg);
3431 }
3432 else
3433 if (strcmp(op, "pin") == 0) { /** **/
3434 /* pin this message */
3435 if (pin(&snac, id) == 0)
3436 out = mastoapi_status(&snac, msg);
3437 else
3438 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3439 }
3440 else
3441 if (strcmp(op, "unpin") == 0) { /** **/
3442 /* unpin this message */
3443 unpin(&snac, id);
3444 out = mastoapi_status(&snac, msg);
3445 }
3446 else
3447 if (strcmp(op, "mute") == 0) { /** **/
3448 /* Mastodon's mute is snac's hide */
3449 }
3450 else
3451 if (strcmp(op, "unmute") == 0) { /** **/
3452 /* Mastodon's unmute is snac's unhide */
3453 }
3454 }
3455
3456 if (out != NULL) {
3457 *body = xs_json_dumps(out, 4);
3458 *ctype = "application/json";
3459 status = HTTP_STATUS_OK;
3460 }
3461 }
3462 }
3463 else
3464 status = HTTP_STATUS_UNAUTHORIZED;
3465 }
3466 else
3467 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
3468 if (logged_in) {
3469 notify_clear(&snac);
3470 timeline_touch(&snac);
3471
3472 *body = xs_dup("{}");
3473 *ctype = "application/json";
3474 status = HTTP_STATUS_OK;
3475 }
3476 else
3477 status = HTTP_STATUS_UNAUTHORIZED;
3478 }
3479 else
3480 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
3481 /* I don't know what I'm doing */
3482 if (logged_in) {
3483 const char *v;
3484
3485 xs *wpush = xs_dict_new();
3486
3487 wpush = xs_dict_append(wpush, "id", "1");
3488
3489 v = xs_dict_get(args, "data");
3490 v = xs_dict_get(v, "alerts");
3491 wpush = xs_dict_append(wpush, "alerts", v);
3492
3493 v = xs_dict_get(args, "subscription");
3494 v = xs_dict_get(v, "endpoint");
3495 wpush = xs_dict_append(wpush, "endpoint", v);
3496
3497 xs *server_key = random_str();
3498 wpush = xs_dict_append(wpush, "server_key", server_key);
3499
3500 *body = xs_json_dumps(wpush, 4);
3501 *ctype = "application/json";
3502 status = HTTP_STATUS_OK;
3503 }
3504 else
3505 status = HTTP_STATUS_UNAUTHORIZED;
3506 }
3507 else
3508 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3509 if (logged_in) {
3510 const xs_list *file = xs_dict_get(args, "file");
3511 const char *desc = xs_dict_get(args, "description");
3512
3513 if (xs_is_null(desc))
3514 desc = "";
3515
3516 status = HTTP_STATUS_BAD_REQUEST;
3517
3518 if (xs_type(file) == XSTYPE_LIST) {
3519 const char *fn = xs_list_get(file, 0);
3520
3521 if (*fn != '\0') {
3522 char *ext = strrchr(fn, '.');
3523 char rnd[32];
3524 xs_rnd_buf(rnd, sizeof(rnd));
3525 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3526 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3527 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3528 int fo = xs_number_get(xs_list_get(file, 1));
3529 int fs = xs_number_get(xs_list_get(file, 2));
3530
3531 /* store */
3532 static_put(&snac, id, payload + fo, fs);
3533 static_put_meta(&snac, id, desc);
3534
3535 /* prepare a response */
3536 xs *rsp = xs_dict_new();
3537
3538 rsp = xs_dict_append(rsp, "id", id);
3539 rsp = xs_dict_append(rsp, "type", "image");
3540 rsp = xs_dict_append(rsp, "url", url);
3541 rsp = xs_dict_append(rsp, "preview_url", url);
3542 rsp = xs_dict_append(rsp, "remote_url", url);
3543 rsp = xs_dict_append(rsp, "description", desc);
3544
3545 *body = xs_json_dumps(rsp, 4);
3546 *ctype = "application/json";
3547 status = HTTP_STATUS_OK;
3548 }
3549 }
3550 }
3551 else
3552 status = HTTP_STATUS_UNAUTHORIZED;
3553 }
3554 else
3555 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3556 if (logged_in) {
3557 /* account-related information */
3558 xs *l = xs_split(cmd, "/");
3559 const char *md5 = xs_list_get(l, 3);
3560 const char *opt = xs_list_get(l, 4);
3561 xs *rsp = NULL;
3562
3563 if (!xs_is_null(md5) && *md5) {
3564 xs *actor_o = NULL;
3565
3566 if (xs_is_null(opt)) {
3567 /* ? */
3568 }
3569 else
3570 if (strcmp(opt, "follow") == 0) { /** **/
3571 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3572 const char *actor = xs_dict_get(actor_o, "id");
3573
3574 xs *msg = msg_follow(&snac, actor);
3575
3576 if (msg != NULL) {
3577 /* reload the actor from the message, in may be different */
3578 actor = xs_dict_get(msg, "object");
3579
3580 following_add(&snac, actor, msg);
3581
3582 enqueue_output_by_actor(&snac, msg, actor, 0);
3583
3584 rsp = mastoapi_relationship(&snac, md5);
3585 }
3586 }
3587 }
3588 else
3589 if (strcmp(opt, "unfollow") == 0) { /** **/
3590 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3591 const char *actor = xs_dict_get(actor_o, "id");
3592
3593 /* get the following object */
3594 xs *object = NULL;
3595
3596 if (valid_status(following_get(&snac, actor, &object))) {
3597 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3598
3599 following_del(&snac, actor);
3600
3601 enqueue_output_by_actor(&snac, msg, actor, 0);
3602
3603 rsp = mastoapi_relationship(&snac, md5);
3604 }
3605 }
3606 }
3607 else
3608 if (strcmp(opt, "block") == 0) { /** **/
3609 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3610 const char *actor = xs_dict_get(actor_o, "id");
3611
3612 mute(&snac, actor);
3613
3614 rsp = mastoapi_relationship(&snac, md5);
3615 }
3616 }
3617 else
3618 if (strcmp(opt, "unblock") == 0) { /** **/
3619 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3620 const char *actor = xs_dict_get(actor_o, "id");
3621
3622 unmute(&snac, actor);
3623
3624 rsp = mastoapi_relationship(&snac, md5);
3625 }
3626 }
3627 }
3628
3629 if (rsp != NULL) {
3630 *body = xs_json_dumps(rsp, 4);
3631 *ctype = "application/json";
3632 status = HTTP_STATUS_OK;
3633 }
3634 }
3635 else
3636 status = HTTP_STATUS_UNAUTHORIZED;
3637 }
3638 else
3639 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3640 if (logged_in) {
3641 /* operations on a status */
3642 xs *l = xs_split(cmd, "/");
3643 const char *mid = xs_list_get(l, 3);
3644 const char *op = xs_list_get(l, 4);
3645
3646 if (!xs_is_null(mid)) {
3647 xs *msg = NULL;
3648 xs *out = NULL;
3649
3650 /* skip the 'fake' part of the id */
3651 mid = MID_TO_MD5(mid);
3652
3653 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3654 const char *id = xs_dict_get(msg, "id");
3655 const char *atto = get_atto(msg);
3656
3657 const xs_list *opts = xs_dict_get(msg, "oneOf");
3658 if (opts == NULL)
3659 opts = xs_dict_get(msg, "anyOf");
3660
3661 if (op == NULL) {
3662 }
3663 else
3664 if (strcmp(op, "votes") == 0) {
3665 const xs_list *choices = xs_dict_get(args, "choices[]");
3666
3667 if (xs_is_null(choices))
3668 choices = xs_dict_get(args, "choices");
3669
3670 if (xs_type(choices) == XSTYPE_LIST) {
3671 const xs_str *v;
3672
3673 int c = 0;
3674 while (xs_list_next(choices, &v, &c)) {
3675 int io = atoi(v);
3676 const xs_dict *o = xs_list_get(opts, io);
3677
3678 if (o) {
3679 const char *name = xs_dict_get(o, "name");
3680
3681 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3682 msg = xs_dict_append(msg, "name", name);
3683
3684 xs *c_msg = msg_create(&snac, msg);
3685 enqueue_message(&snac, c_msg);
3686 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3687 }
3688 }
3689
3690 out = mastoapi_poll(&snac, msg);
3691 }
3692 }
3693 }
3694
3695 if (out != NULL) {
3696 *body = xs_json_dumps(out, 4);
3697 *ctype = "application/json";
3698 status = HTTP_STATUS_OK;
3699 }
3700 }
3701 }
3702 else
3703 status = HTTP_STATUS_UNAUTHORIZED;
3704 }
3705 else
3706 if (strcmp(cmd, "/v1/lists") == 0) {
3707 if (logged_in) {
3708 const char *title = xs_dict_get(args, "title");
3709
3710 if (xs_type(title) == XSTYPE_STRING) {
3711 /* add the list */
3712 xs *out = xs_dict_new();
3713 xs *lid = list_maint(&snac, title, 1);
3714
3715 if (!xs_is_null(lid)) {
3716 out = xs_dict_append(out, "id", lid);
3717 out = xs_dict_append(out, "title", title);
3718 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3719 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3720
3721 status = HTTP_STATUS_OK;
3722 }
3723 else {
3724 out = xs_dict_append(out, "error", "cannot create list");
3725 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3726 }
3727
3728 *body = xs_json_dumps(out, 4);
3729 *ctype = "application/json";
3730 }
3731 else
3732 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3733 }
3734 }
3735 else
3736 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3737 if (logged_in) {
3738 xs *l = xs_split(cmd, "/");
3739 const char *op = xs_list_get(l, -1);
3740 const char *id = xs_list_get(l, -2);
3741
3742 if (op && id && xs_is_hex(id)) {
3743 if (strcmp(op, "accounts") == 0) {
3744 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3745
3746 if (xs_is_null(accts))
3747 accts = xs_dict_get(args, "account_ids");
3748
3749 int c = 0;
3750 const char *v;
3751
3752 while (xs_list_next(accts, &v, &c)) {
3753 list_members(&snac, id, v, 1);
3754 }
3755
3756 xs *out = xs_dict_new();
3757 *body = xs_json_dumps(out, 4);
3758 *ctype = "application/json";
3759 status = HTTP_STATUS_OK;
3760 }
3761 }
3762 }
3763 }
3764 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3765 xs_str *json = NULL;
3766 if (logged_in) {
3767 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3768 if (xs_is_null(home_marker)) {
3769 const xs_dict *home = xs_dict_get(args, "home");
3770 if (!xs_is_null(home))
3771 home_marker = xs_dict_get(home, "last_read_id");
3772 }
3773
3774 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3775 if (xs_is_null(notify_marker)) {
3776 const xs_dict *notify = xs_dict_get(args, "notifications");
3777 if (!xs_is_null(notify))
3778 notify_marker = xs_dict_get(notify, "last_read_id");
3779 }
3780 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3781 }
3782 if (!xs_is_null(json))
3783 *body = json;
3784 else
3785 *body = xs_dup("{}");
3786
3787 *ctype = "application/json";
3788 status = HTTP_STATUS_OK;
3789 }
3790 else
3791 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3792 if (logged_in) {
3793 /* "authorize" or "reject" */
3794 xs *rel = NULL;
3795 xs *l = xs_split(cmd, "/");
3796 const char *md5 = xs_list_get(l, -2);
3797 const char *s_cmd = xs_list_get(l, -1);
3798
3799 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3800 xs *actor = NULL;
3801
3802 if (valid_status(object_get_by_md5(md5, &actor))) {
3803 const char *actor_id = xs_dict_get(actor, "id");
3804
3805 if (strcmp(s_cmd, "authorize") == 0) {
3806 xs *fwreq = pending_get(&snac, actor_id);
3807
3808 if (fwreq != NULL) {
3809 xs *reply = msg_accept(&snac, fwreq, actor_id);
3810
3811 enqueue_message(&snac, reply);
3812
3813 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3814 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3815 fwreq = xs_dict_set(fwreq, "published", date);
3816 }
3817
3818 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3819
3820 follower_add(&snac, actor_id);
3821
3822 pending_del(&snac, actor_id);
3823 rel = mastoapi_relationship(&snac, md5);
3824 }
3825 }
3826 else
3827 if (strcmp(s_cmd, "reject") == 0) {
3828 pending_del(&snac, actor_id);
3829 rel = mastoapi_relationship(&snac, md5);
3830 }
3831 }
3832 }
3833
3834 if (rel != NULL) {
3835 *body = xs_json_dumps(rel, 4);
3836 *ctype = "application/json";
3837 status = HTTP_STATUS_OK;
3838 }
3839 }
3840 }
3841 else
3842 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3843 if (logged_in) {
3844 xs *l = xs_split(cmd, "/");
3845 const char *i_tag = xs_list_get(l, 3);
3846 const char *cmd = xs_list_get(l, 4);
3847
3848 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3849
3850 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3851 int ok = 0;
3852
3853 xs *tag = xs_fmt("#%s", i_tag);
3854 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3855 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3856
3857 if (strcmp(cmd, "follow") == 0) {
3858 followed_hashtags = xs_list_append(followed_hashtags, tag);
3859 ok = 1;
3860 }
3861 else
3862 if (strcmp(cmd, "unfollow") == 0) {
3863 int off = xs_list_in(followed_hashtags, tag);
3864
3865 if (off != -1)
3866 followed_hashtags = xs_list_del(followed_hashtags, off);
3867
3868 ok = 1;
3869 }
3870
3871 if (ok) {
3872 /* update */
3873 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3874 user_persist(&snac, 0);
3875
3876 xs *d = xs_dict_new();
3877 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3878 d = xs_dict_set(d, "name", i_tag);
3879 d = xs_dict_set(d, "url", s);
3880 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3881
3882 *body = xs_json_dumps(d, 4);
3883 *ctype = "application/json";
3884 status = HTTP_STATUS_OK;
3885 }
3886 }
3887 }
3888 }
3889 else
3890 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3891
3892 /* user cleanup */
3893 if (logged_in)
3894 user_free(&snac);
3895
3896 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3897
3898 return status;
3899}
3900
3901
3902int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3903 const char *payload, int p_size,
3904 char **body, int *b_size, char **ctype)
3905{
3906 (void)p_size;
3907 (void)b_size;
3908 (void)ctype;
3909
3910 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3911 return 0;
3912
3913 int status = HTTP_STATUS_NOT_FOUND;
3914 xs *args = NULL;
3915 const char *i_ctype = xs_dict_get(req, "content-type");
3916
3917 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3918 if (!xs_is_null(payload))
3919 args = xs_json_loads(payload);
3920 }
3921 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3922 {
3923 // Some apps send form data instead of json so we should cater for those
3924 if (!xs_is_null(payload)) {
3925 args = xs_url_vars(payload);
3926 }
3927 }
3928 else
3929 args = xs_dup(xs_dict_get(req, "p_vars"));
3930
3931 if (args == NULL)
3932 return HTTP_STATUS_BAD_REQUEST;
3933
3934 snac snac = {0};
3935 int logged_in = process_auth_token(&snac, req);
3936
3937 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3938
3939 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3940 // pretend we deleted it, since it doesn't exist anyway
3941 status = HTTP_STATUS_OK;
3942 }
3943 else
3944 if (xs_startswith(cmd, "/v1/lists/")) {
3945 if (logged_in) {
3946 xs *l = xs_split(cmd, "/");
3947 const char *p = xs_list_get(l, -1);
3948
3949 if (p) {
3950 if (strcmp(p, "accounts") == 0) {
3951 /* delete account from list */
3952 p = xs_list_get(l, -2);
3953 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3954
3955 if (xs_is_null(accts))
3956 accts = xs_dict_get(args, "account_ids");
3957
3958 int c = 0;
3959 const char *v;
3960
3961 while (xs_list_next(accts, &v, &c)) {
3962 list_members(&snac, p, v, 2);
3963 }
3964 }
3965 else {
3966 /* delete list */
3967 if (xs_is_hex(p)) {
3968 list_maint(&snac, p, 2);
3969 }
3970 }
3971 }
3972
3973 *ctype = "application/json";
3974 status = HTTP_STATUS_OK;
3975 }
3976 else
3977 status = HTTP_STATUS_UNAUTHORIZED;
3978 }
3979 else
3980 if (xs_startswith(cmd, "/v1/statuses/")) {
3981 if (logged_in) {
3982 xs *l = xs_split(cmd, "/");
3983 const char *p = xs_list_get(l, -1);
3984 p = MID_TO_MD5(p);
3985
3986 xs *obj = NULL;
3987 if (valid_status(object_get_by_md5(p, &obj))) {
3988 const char *id = xs_dict_get(obj, "id");
3989
3990 if (xs_is_string(id) && is_msg_mine(&snac, id)) {
3991 xs *out = mastoapi_status(&snac, obj);
3992
3993 xs *msg = msg_delete(&snac, id);
3994
3995 enqueue_message(&snac, msg);
3996
3997 timeline_del(&snac, id);
3998
3999 draft_del(&snac, id);
4000
4001 schedule_del(&snac, id);
4002
4003 snac_log(&snac, xs_fmt("deleted entry %s", id));
4004
4005 *body = xs_json_dumps(out, 4);
4006 *ctype = "application/json";
4007 status = HTTP_STATUS_OK;
4008 }
4009 }
4010 }
4011 else
4012 status = HTTP_STATUS_UNAUTHORIZED;
4013 }
4014
4015 /* user cleanup */
4016 if (logged_in)
4017 user_free(&snac);
4018
4019 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
4020
4021 return status;
4022}
4023
4024
4025int mastoapi_put_handler(const xs_dict *req, const char *q_path,
4026 const char *payload, int p_size,
4027 char **body, int *b_size, char **ctype)
4028{
4029 (void)p_size;
4030 (void)b_size;
4031
4032 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
4033 return 0;
4034
4035 int status = HTTP_STATUS_NOT_FOUND;
4036 xs *args = NULL;
4037 const char *i_ctype = xs_dict_get(req, "content-type");
4038
4039 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4040 if (!xs_is_null(payload))
4041 args = xs_json_loads(payload);
4042 }
4043 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4044 {
4045 // Some apps send form data instead of json so we should cater for those
4046 if (!xs_is_null(payload)) {
4047 args = xs_url_vars(payload);
4048 }
4049 }
4050 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4051 {
4052 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4053 args = xs_dup(xs_dict_get(req, "p_vars"));
4054 }
4055
4056 /* if args still NULL, try falling back to p_vars or q_vars */
4057 if (args == NULL)
4058 args = xs_dup(xs_dict_get(req, "p_vars"));
4059
4060 if (args == NULL)
4061 args = xs_dup(xs_dict_get(req, "q_vars"));
4062
4063 if (args == NULL) {
4064 srv_debug(1, xs_fmt("mastoapi_put_handler: failed to parse args for %s, content-type: %s",
4065 q_path, i_ctype ? i_ctype : "(null)"));
4066 return HTTP_STATUS_BAD_REQUEST;
4067 }
4068
4069 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4070
4071 snac snac = {0};
4072 int logged_in = process_auth_token(&snac, req);
4073
4074 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
4075 if (logged_in) {
4076 xs *l = xs_split(cmd, "/");
4077 const char *stid = xs_list_get(l, 3);
4078
4079 if (!xs_is_null(stid)) {
4080 const char *desc = xs_dict_get(args, "description");
4081
4082 /* set the image metadata */
4083 static_put_meta(&snac, stid, desc);
4084
4085 /* prepare a response */
4086 xs *rsp = xs_dict_new();
4087 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
4088
4089 rsp = xs_dict_append(rsp, "id", stid);
4090 rsp = xs_dict_append(rsp, "type", "image");
4091 rsp = xs_dict_append(rsp, "url", url);
4092 rsp = xs_dict_append(rsp, "preview_url", url);
4093 rsp = xs_dict_append(rsp, "remote_url", url);
4094 rsp = xs_dict_append(rsp, "description", desc);
4095
4096 *body = xs_json_dumps(rsp, 4);
4097 *ctype = "application/json";
4098 status = HTTP_STATUS_OK;
4099 }
4100 }
4101 else
4102 status = HTTP_STATUS_UNAUTHORIZED;
4103 }
4104 else
4105 if (xs_startswith(cmd, "/v1/statuses")) {
4106 if (logged_in) {
4107 xs *l = xs_split(cmd, "/");
4108 const char *mid = xs_list_get(l, 3);
4109
4110 if (!xs_is_null(mid)) {
4111 const char *md5 = MID_TO_MD5(mid);
4112 xs *rsp = NULL;
4113 xs *msg = NULL;
4114
4115 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
4116 const char *content = xs_dict_get(args, "status");
4117 xs *atls = xs_list_new();
4118 xs *f_content = not_really_markdown(content, &atls, NULL);
4119
4120 /* replace fields with new content */
4121 msg = xs_dict_set(msg, "sourceContent", content);
4122 msg = xs_dict_set(msg, "content", f_content);
4123
4124 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
4125 msg = xs_dict_set(msg, "updated", updated);
4126
4127 /* overwrite object, not updating the indexes */
4128 object_add_ow(xs_dict_get(msg, "id"), msg);
4129
4130 /* update message */
4131 xs *c_msg = msg_update(&snac, msg);
4132
4133 enqueue_message(&snac, c_msg);
4134
4135 rsp = mastoapi_status(&snac, msg);
4136 }
4137
4138 if (rsp != NULL) {
4139 *body = xs_json_dumps(rsp, 4);
4140 *ctype = "application/json";
4141 status = HTTP_STATUS_OK;
4142 }
4143 }
4144 }
4145 else
4146 status = HTTP_STATUS_UNAUTHORIZED;
4147 }
4148
4149 /* user cleanup */
4150 if (logged_in)
4151 user_free(&snac);
4152
4153 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
4154
4155 return status;
4156}
4157
4158void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
4159/* Store header or avatar */
4160{
4161 if (data != NULL) {
4162 if (xs_type(data) == XSTYPE_LIST) {
4163 const char *fn = xs_list_get(data, 0);
4164
4165 if (fn && *fn) {
4166 const char *ext = strrchr(fn, '.');
4167
4168 /* Mona iOS sends always jpg as application/octet-stream with no filename */
4169 if (ext == NULL || strcmp(fn, key) == 0) {
4170 ext = ".jpg";
4171 }
4172
4173 /* Make sure we have a unique file name, otherwise updated images will not be
4174 * re-loaded by clients. */
4175 xs *rnd = random_str();
4176 xs *hash = xs_md5_hex(rnd, strlen(rnd));
4177 xs *id = xs_fmt("%s%s", hash, ext);
4178 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
4179 int fo = xs_number_get(xs_list_get(data, 1));
4180 int fs = xs_number_get(xs_list_get(data, 2));
4181
4182 /* store */
4183 static_put(snac, id, payload + fo, fs);
4184
4185 snac->config = xs_dict_set(snac->config, key, url);
4186 }
4187 }
4188 }
4189}
4190
4191int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
4192 const char *payload, int p_size,
4193 char **body, int *b_size, char **ctype)
4194/* Handle profile updates */
4195{
4196 (void)p_size;
4197 (void)b_size;
4198
4199 if (!xs_startswith(q_path, "/api/v1/"))
4200 return 0;
4201
4202 int status = HTTP_STATUS_NOT_FOUND;
4203 xs *args = NULL;
4204 const char *i_ctype = xs_dict_get(req, "content-type");
4205
4206 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4207 if (!xs_is_null(payload))
4208 args = xs_json_loads(payload);
4209 }
4210 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4211 {
4212 // Some apps send form data instead of json so we should cater for those
4213 if (!xs_is_null(payload)) {
4214 args = xs_url_vars(payload);
4215 }
4216 }
4217 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4218 {
4219 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4220 args = xs_dup(xs_dict_get(req, "p_vars"));
4221 }
4222
4223 /* if args still NULL, try falling back to p_vars or q_vars */
4224 if (args == NULL)
4225 args = xs_dup(xs_dict_get(req, "p_vars"));
4226
4227 if (args == NULL)
4228 args = xs_dup(xs_dict_get(req, "q_vars"));
4229
4230 if (args == NULL) {
4231 srv_debug(1, xs_fmt("mastoapi_patch_handler: failed to parse args for %s, content-type: %s",
4232 q_path, i_ctype ? i_ctype : "(null)"));
4233 return HTTP_STATUS_BAD_REQUEST;
4234 }
4235
4236 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4237
4238 snac snac = {0};
4239 int logged_in = process_auth_token(&snac, req);
4240
4241 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) { /** **/
4242 /* Update user profile fields */
4243 if (logged_in) {
4244 int c = 0;
4245 const xs_str *k;
4246 const xs_val *v;
4247 const xs_str *field_name = NULL;
4248 xs *new_fields = xs_dict_new();
4249 while (xs_dict_next(args, &k, &v, &c)) {
4250 if (strcmp(k, "display_name") == 0) {
4251 if (v != NULL)
4252 snac.config = xs_dict_set(snac.config, "name", v);
4253 }
4254 else
4255 if (strcmp(k, "note") == 0) {
4256 if (v != NULL)
4257 snac.config = xs_dict_set(snac.config, "bio", v);
4258 }
4259 else
4260 if (strcmp(k, "bot") == 0) {
4261 if (v != NULL)
4262 snac.config = xs_dict_set(snac.config, "bot",
4263 (strcmp(v, "true") == 0 ||
4264 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4265 }
4266 else
4267 if (strcmp(k, "source[sensitive]") == 0) {
4268 if (v != NULL)
4269 snac.config = xs_dict_set(snac.config, "cw",
4270 strcmp(v, "true") == 0 ? "open" : "");
4271 }
4272 else
4273 if (strcmp(k, "source[privacy]") == 0) {
4274 if (v != NULL)
4275 snac.config = xs_dict_set(snac.config, "private",
4276 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4277 }
4278 else
4279 if (strcmp(k, "header") == 0) {
4280 persist_image("header", v, payload, &snac);
4281 }
4282 else
4283 if (strcmp(k, "avatar") == 0) {
4284 persist_image("avatar", v, payload, &snac);
4285 }
4286 else
4287 if (xs_between("fields_attributes", k, "[name]")) {
4288 field_name = strcmp(v, "") != 0 ? v : NULL;
4289 }
4290 else
4291 if (xs_between("fields_attributes", k, "[value]")) {
4292 if (field_name != NULL) {
4293 new_fields = xs_dict_set(new_fields, field_name, v);
4294 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
4295 }
4296 }
4297 else
4298 if (strcmp(k, "locked") == 0) {
4299 snac.config = xs_dict_set(snac.config, "approve_followers",
4300 xs_stock(strcmp(v, "true") == 0 ? XSTYPE_TRUE : XSTYPE_FALSE));
4301 }
4302 /* we don't have support for the following options, yet
4303 - discoverable (0/1)
4304 */
4305 }
4306
4307 /* Persist profile */
4308 if (user_persist(&snac, 1) == 0)
4309 credentials_get(body, ctype, &status, snac);
4310 else
4311 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
4312 }
4313 else
4314 status = HTTP_STATUS_UNAUTHORIZED;
4315 }
4316
4317 /* user cleanup */
4318 if (logged_in)
4319 user_free(&snac);
4320
4321 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
4322
4323 return status;
4324}
4325
4326
4327void mastoapi_purge(void)
4328{
4329 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
4330 xs *files = xs_glob(spec, 1, 0);
4331 xs_list *p = files;
4332 const xs_str *v;
4333
4334 time_t mt = time(NULL) - 3600;
4335
4336 while (xs_list_iter(&p, &v)) {
4337 xs *cid = xs_replace(v, ".json", "");
4338 xs *fn = _app_fn(cid);
4339
4340 if (mtime(fn) < mt) {
4341 /* get the app */
4342 xs *app = app_get(cid);
4343
4344 if (app) {
4345 /* old apps with no uid are incomplete cruft */
4346 const char *uid = xs_dict_get(app, "uid");
4347
4348 if (xs_is_null(uid) || *uid == '\0') {
4349 unlink(fn);
4350 srv_debug(2, xs_fmt("purged %s", fn));
4351 }
4352 }
4353 }
4354 }
4355}
4356
4357
4358#endif /* #ifndef NO_MASTODON_API */
