2.80
mastoapi.c
1/* snac - A simple, minimalistic ActivityPub instance */
2/* copyright (c) 2022 - 2025 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
20#include "snac.h"
21
22#include <sys/time.h>
23
24static xs_str *random_str(void)
25/* just what is says in the tin */
26{
27 unsigned int data[4] = {0};
28
29 xs_rnd_buf(data, sizeof(data));
30 return xs_hex_enc((char *)data, sizeof(data));
31}
32
33
34int app_add(const char *id, const xs_dict *app)
35/* stores an app */
36{
37 if (!xs_is_hex(id))
38 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
39
40 int status = HTTP_STATUS_CREATED;
41 xs *fn = xs_fmt("%s/app/", srv_basedir);
42 FILE *f;
43
44 mkdirx(fn);
45 fn = xs_str_cat(fn, id);
46 fn = xs_str_cat(fn, ".json");
47
48 if ((f = fopen(fn, "w")) != NULL) {
49 xs_json_dump(app, 4, f);
50 fclose(f);
51 }
52 else
53 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
54
55 return status;
56}
57
58
59xs_str *_app_fn(const char *id)
60{
61 return xs_fmt("%s/app/%s.json", srv_basedir, id);
62}
63
64
65xs_dict *app_get(const char *id)
66/* gets an app */
67{
68 if (!xs_is_hex(id))
69 return NULL;
70
71 xs *fn = _app_fn(id);
72 xs_dict *app = NULL;
73 FILE *f;
74
75 if ((f = fopen(fn, "r")) != NULL) {
76 app = xs_json_load(f);
77 fclose(f);
78
79 }
80
81 return app;
82}
83
84
85int app_del(const char *id)
86/* deletes an app */
87{
88 if (!xs_is_hex(id))
89 return -1;
90
91 xs *fn = _app_fn(id);
92
93 return unlink(fn);
94}
95
96
97int token_add(const char *id, const xs_dict *token)
98/* stores a token */
99{
100 if (!xs_is_hex(id))
101 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
102
103 int status = HTTP_STATUS_CREATED;
104 xs *fn = xs_fmt("%s/token/", srv_basedir);
105 FILE *f;
106
107 mkdirx(fn);
108 fn = xs_str_cat(fn, id);
109 fn = xs_str_cat(fn, ".json");
110
111 if ((f = fopen(fn, "w")) != NULL) {
112 xs_json_dump(token, 4, f);
113 fclose(f);
114 }
115 else
116 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
117
118 return status;
119}
120
121
122xs_dict *token_get(const char *id)
123/* gets a token */
124{
125 if (!xs_is_hex(id))
126 return NULL;
127
128 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
129 xs_dict *token = NULL;
130 FILE *f;
131
132 if ((f = fopen(fn, "r")) != NULL) {
133 token = xs_json_load(f);
134 fclose(f);
135
136 /* 'touch' the file */
137 utimes(fn, NULL);
138
139 /* also 'touch' the app */
140 const char *app_id = xs_dict_get(token, "client_id");
141
142 if (app_id) {
143 xs *afn = xs_fmt("%s/app/%s.json", srv_basedir, app_id);
144 utimes(afn, NULL);
145 }
146 }
147
148 return token;
149}
150
151
152int token_del(const char *id)
153/* deletes a token */
154{
155 if (!xs_is_hex(id))
156 return -1;
157
158 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
159
160 return unlink(fn);
161}
162
163
164const char *login_page = ""
165"<!DOCTYPE html>\n"
166"<html>\n"
167"<head>\n"
168"<title>%s OAuth - Snac2</title>\n"
169"<meta content=\"width=device-width, initial-scale=1, minimum-scale=1, user-scalable=no\" name=\"viewport\">"
170"<style>:root {color-scheme: light dark}</style>\n"
171"</head>\n"
172"<body><h1>%s OAuth identify</h1>\n"
173"<div style=\"background-color: red; color: white\">%s</div>\n"
174"<form method=\"post\" action=\"%s:/" "/%s/%s\">\n"
175"<p>Login: <input type=\"text\" name=\"login\" autocapitalize=\"off\"></p>\n"
176"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
177"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
178"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
179"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
180"<input type=\"submit\" value=\"OK\">\n"
181"</form><p>%s</p></body></html>\n"
182"";
183
184int oauth_get_handler(const xs_dict *req, const char *q_path,
185 char **body, int *b_size, char **ctype)
186{
187 (void)b_size;
188
189 if (!xs_startswith(q_path, "/oauth/"))
190 return 0;
191
192 int status = HTTP_STATUS_NOT_FOUND;
193 const xs_dict *msg = xs_dict_get(req, "q_vars");
194 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
195
196 srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
197
198 if (strcmp(cmd, "/authorize") == 0) { /** **/
199 const char *cid = xs_dict_get(msg, "client_id");
200 const char *ruri = xs_dict_get(msg, "redirect_uri");
201 const char *rtype = xs_dict_get(msg, "response_type");
202 const char *state = xs_dict_get(msg, "state");
203
204 status = HTTP_STATUS_BAD_REQUEST;
205
206 if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
207 xs *app = app_get(cid);
208
209 if (app != NULL) {
210 const char *host = xs_dict_get(srv_config, "host");
211 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
212
213 if (xs_is_null(state))
214 state = "";
215
216 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
217 ruri, cid, state, USER_AGENT);
218 *ctype = "text/html";
219 status = HTTP_STATUS_OK;
220
221 srv_debug(1, xs_fmt("oauth authorize: generating login page"));
222 }
223 else
224 srv_debug(1, xs_fmt("oauth authorize: bad client_id %s", cid));
225 }
226 else
227 srv_debug(1, xs_fmt("oauth authorize: invalid or unset arguments"));
228 }
229 else
230 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
231 const char *host = xs_dict_get(srv_config, "host");
232 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
233
234 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
235 "", "", "", USER_AGENT);
236 *ctype = "text/html";
237 status = HTTP_STATUS_OK;
238
239 }
240
241 return status;
242}
243
244
245int oauth_post_handler(const xs_dict *req, const char *q_path,
246 const char *payload, int p_size,
247 char **body, int *b_size, char **ctype)
248{
249 (void)p_size;
250 (void)b_size;
251
252 if (!xs_startswith(q_path, "/oauth/"))
253 return 0;
254
255 int status = HTTP_STATUS_NOT_FOUND;
256
257 const char *i_ctype = xs_dict_get(req, "content-type");
258 xs *args = NULL;
259
260 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
261 if (!xs_is_null(payload))
262 args = xs_json_loads(payload);
263 }
264 else
265 if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded") && payload) {
266 args = xs_url_vars(payload);
267 }
268 else
269 args = xs_dup(xs_dict_get(req, "p_vars"));
270
271 if (args == NULL)
272 return HTTP_STATUS_BAD_REQUEST;
273
274 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
275
276 srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
277
278 if (strcmp(cmd, "/x-snac-login") == 0) { /** **/
279 const char *login = xs_dict_get(args, "login");
280 const char *passwd = xs_dict_get(args, "passwd");
281 const char *redir = xs_dict_get(args, "redir");
282 const char *cid = xs_dict_get(args, "cid");
283 const char *state = xs_dict_get(args, "state");
284 const char *host = xs_dict_get(srv_config, "host");
285 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
286
287 /* by default, generate another login form with an error */
288 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
289 redir, cid, state, USER_AGENT);
290 *ctype = "text/html";
291 status = HTTP_STATUS_OK;
292
293 if (login && passwd && redir && cid) {
294 snac snac;
295
296 if (user_open(&snac, login)) {
297 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
298 xs_dict_get(req, "x-forwarded-for"));
299
300 if (badlogin_check(login, addr)) {
301 /* check the login + password */
302 if (check_password(login, passwd, xs_dict_get(snac.config, "passwd"))) {
303 /* success! redirect to the desired uri */
304 xs *code = random_str();
305
306 xs_free(*body);
307
308 if (strcmp(redir, "urn:ietf:wg:oauth:2.0:oob") == 0) {
309 *body = xs_dup(code);
310 }
311 else {
312 if (xs_str_in(redir, "?") != -1)
313 *body = xs_fmt("%s&code=%s", redir, code);
314 else
315 *body = xs_fmt("%s?code=%s", redir, code);
316
317 status = HTTP_STATUS_SEE_OTHER;
318 }
319
320 /* if there is a state, add it */
321 if (!xs_is_null(state) && *state) {
322 *body = xs_str_cat(*body, "&state=");
323 *body = xs_str_cat(*body, state);
324 }
325
326 srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
327 login, *body));
328
329 /* assign the login to the app */
330 xs *app = app_get(cid);
331
332 if (app != NULL) {
333 app = xs_dict_set(app, "uid", login);
334 app = xs_dict_set(app, "code", code);
335 app_add(cid, app);
336 }
337 else
338 srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
339 }
340 else {
341 srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
342 badlogin_inc(login, addr);
343 }
344 }
345
346 user_free(&snac);
347 }
348 else
349 srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
350 }
351 else
352 srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
353 }
354 else
355 if (strcmp(cmd, "/token") == 0) { /** **/
356 xs *wrk = NULL;
357 const char *gtype = xs_dict_get(args, "grant_type");
358 const char *code = xs_dict_get(args, "code");
359 const char *cid = xs_dict_get(args, "client_id");
360 const char *csec = xs_dict_get(args, "client_secret");
361 const char *ruri = xs_dict_get(args, "redirect_uri");
362 const char *scope = xs_dict_get(args, "scope");
363
364 /* no client_secret? check if it's inside an authorization header
365 (AndStatus does it this way) */
366 if (xs_is_null(csec)) {
367 const char *auhdr = xs_dict_get(req, "authorization");
368
369 if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
370 xs *s1 = xs_replace_n(auhdr, "Basic ", "", 1);
371 int size;
372 xs *s2 = xs_base64_dec(s1, &size);
373
374 if (!xs_is_null(s2)) {
375 xs *l1 = xs_split(s2, ":");
376
377 if (xs_list_len(l1) == 2) {
378 wrk = xs_dup(xs_list_get(l1, 1));
379 csec = wrk;
380 }
381 }
382 }
383 }
384
385 /* no code?
386 I'm not sure of the impacts of this right now, but Subway Tooter does not
387 provide a code so one must be generated */
388 if (xs_is_null(code)){
389 code = random_str();
390 }
391 if (gtype && code && cid && csec && ruri) {
392 xs *app = app_get(cid);
393
394 if (app == NULL) {
395 status = HTTP_STATUS_UNAUTHORIZED;
396 srv_log(xs_fmt("oauth token: invalid app %s", cid));
397 }
398 else
399 if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
400 status = HTTP_STATUS_UNAUTHORIZED;
401 srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
402 }
403 else {
404 xs *rsp = xs_dict_new();
405 xs *cat = xs_number_new(time(NULL));
406 xs *tokid = random_str();
407
408 rsp = xs_dict_append(rsp, "access_token", tokid);
409 rsp = xs_dict_append(rsp, "token_type", "Bearer");
410 rsp = xs_dict_append(rsp, "created_at", cat);
411
412 if (!xs_is_null(scope))
413 rsp = xs_dict_append(rsp, "scope", scope);
414
415 *body = xs_json_dumps(rsp, 4);
416 *ctype = "application/json";
417 status = HTTP_STATUS_OK;
418
419 const char *uid = xs_dict_get(app, "uid");
420
421 srv_debug(1, xs_fmt("oauth token: "
422 "successful login for %s, new token %s", uid, tokid));
423
424 xs *token = xs_dict_new();
425 token = xs_dict_append(token, "token", tokid);
426 token = xs_dict_append(token, "client_id", cid);
427 token = xs_dict_append(token, "client_secret", csec);
428 token = xs_dict_append(token, "uid", uid);
429 token = xs_dict_append(token, "code", code);
430
431 token_add(tokid, token);
432 }
433 }
434 else {
435 srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
436 status = HTTP_STATUS_BAD_REQUEST;
437 }
438 }
439 else
440 if (strcmp(cmd, "/revoke") == 0) { /** **/
441 const char *cid = xs_dict_get(args, "client_id");
442 const char *csec = xs_dict_get(args, "client_secret");
443 const char *tokid = xs_dict_get(args, "token");
444
445 if (cid && csec && tokid) {
446 xs *token = token_get(tokid);
447
448 *body = xs_str_new("{}");
449 *ctype = "application/json";
450
451 if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
452 srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
453 status = HTTP_STATUS_FORBIDDEN;
454 }
455 else {
456 token_del(tokid);
457 srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
458 status = HTTP_STATUS_OK;
459
460 /* also delete the app, as it serves no purpose from now on */
461 app_del(cid);
462 }
463 }
464 else {
465 srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
466 status = HTTP_STATUS_FORBIDDEN;
467 }
468 }
469 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
470 const char *login = xs_dict_get(args, "login");
471 const char *passwd = xs_dict_get(args, "passwd");
472 const char *host = xs_dict_get(srv_config, "host");
473 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
474
475 /* by default, generate another login form with an error */
476 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
477 "", "", "", USER_AGENT);
478 *ctype = "text/html";
479 status = HTTP_STATUS_OK;
480
481 if (login && passwd) {
482 snac user;
483
484 if (user_open(&user, login)) {
485 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
486 xs_dict_get(req, "x-forwarded-for"));
487
488 if (badlogin_check(login, addr)) {
489 /* check the login + password */
490 if (check_password(login, passwd, xs_dict_get(user.config, "passwd"))) {
491 /* success! create a new token */
492 xs *tokid = random_str();
493
494 srv_debug(1, xs_fmt("x-snac-new-token: "
495 "successful login for %s, new token %s", login, tokid));
496
497 xs *token = xs_dict_new();
498 token = xs_dict_append(token, "token", tokid);
499 token = xs_dict_append(token, "client_id", "snac-client");
500 token = xs_dict_append(token, "client_secret", "");
501 token = xs_dict_append(token, "uid", login);
502 token = xs_dict_append(token, "code", "");
503
504 token_add(tokid, token);
505
506 *ctype = "text/plain";
507 xs_free(*body);
508 *body = xs_dup(tokid);
509 }
510 else
511 badlogin_inc(login, addr);
512
513 user_free(&user);
514 }
515 }
516 }
517 }
518
519 return status;
520}
521
522
523xs_str *mastoapi_id(const xs_dict *msg)
524/* returns a somewhat Mastodon-compatible status id */
525{
526 const char *id = xs_dict_get(msg, "id");
527 xs *md5 = xs_md5_hex(id, strlen(id));
528
529 return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
530}
531
532#define MID_TO_MD5(id) (id + 10)
533
534
535xs_dict *mastoapi_account(snac *logged, const xs_dict *actor)
536/* converts an ActivityPub actor to a Mastodon account */
537{
538 const char *id = xs_dict_get(actor, "id");
539 const char *pub = xs_dict_get(actor, "published");
540 const char *proxy = NULL;
541
542 if (xs_type(id) != XSTYPE_STRING)
543 return NULL;
544
545 if (logged && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
546 proxy = logged->actor;
547
548 const char *prefu = xs_dict_get(actor, "preferredUsername");
549
550 const char *display_name = xs_dict_get(actor, "name");
551 if (xs_is_null(display_name) || *display_name == '\0')
552 display_name = prefu;
553
554 xs_dict *acct = xs_dict_new();
555 xs *acct_md5 = xs_md5_hex(id, strlen(id));
556 acct = xs_dict_append(acct, "id", acct_md5);
557 acct = xs_dict_append(acct, "username", prefu);
558 acct = xs_dict_append(acct, "display_name", display_name);
559 acct = xs_dict_append(acct, "discoverable", xs_stock(XSTYPE_TRUE));
560 acct = xs_dict_append(acct, "group", xs_stock(XSTYPE_FALSE));
561 acct = xs_dict_append(acct, "hide_collections", xs_stock(XSTYPE_FALSE));
562 acct = xs_dict_append(acct, "indexable", xs_stock(XSTYPE_TRUE));
563 acct = xs_dict_append(acct, "noindex", xs_stock(XSTYPE_FALSE));
564 acct = xs_dict_append(acct, "roles", xs_stock(XSTYPE_LIST));
565
566 {
567 /* create the acct field as user@host */
568 xs *l = xs_split(id, "/");
569 xs *fquid = xs_fmt("%s@%s", prefu, xs_list_get(l, 2));
570 acct = xs_dict_append(acct, "acct", fquid);
571 }
572
573 if (pub)
574 acct = xs_dict_append(acct, "created_at", pub);
575 else {
576 /* unset created_at crashes Tusky, so lie like a mf */
577 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
578 acct = xs_dict_append(acct, "created_at", date);
579 }
580
581 xs *last_status_at = xs_str_utctime(0, "%Y-%m-%d");
582 acct = xs_dict_append(acct, "last_status_at", last_status_at);
583
584 const char *note = xs_dict_get(actor, "summary");
585 if (xs_is_null(note))
586 note = "";
587
588 if (strcmp(xs_dict_get(actor, "type"), "Service") == 0)
589 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_TRUE));
590 else
591 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_FALSE));
592
593 acct = xs_dict_append(acct, "note", note);
594
595 acct = xs_dict_append(acct, "url", id);
596 acct = xs_dict_append(acct, "uri", id);
597
598 xs *avatar = NULL;
599 const xs_dict *av = xs_dict_get(actor, "icon");
600
601 if (xs_type(av) == XSTYPE_DICT) {
602 const char *url = xs_dict_get(av, "url");
603
604 if (url != NULL)
605 avatar = make_url(url, proxy, 1);
606 }
607
608 if (avatar == NULL)
609 avatar = xs_fmt("%s/susie.png", srv_baseurl);
610
611 acct = xs_dict_append(acct, "avatar", avatar);
612 acct = xs_dict_append(acct, "avatar_static", avatar);
613
614 xs *header = NULL;
615 const xs_dict *hd = xs_dict_get(actor, "image");
616
617 if (xs_type(hd) == XSTYPE_DICT)
618 header = make_url(xs_dict_get(hd, "url"), proxy, 1);
619
620 if (xs_is_null(header))
621 header = xs_str_new(NULL);
622
623 acct = xs_dict_append(acct, "header", header);
624 acct = xs_dict_append(acct, "header_static", header);
625
626 /* emojis */
627 const xs_list *p;
628 if (!xs_is_null(p = xs_dict_get(actor, "tag"))) {
629 xs *eml = xs_list_new();
630 const xs_dict *v;
631 int c = 0;
632
633 while (xs_list_next(p, &v, &c)) {
634 const char *type = xs_dict_get(v, "type");
635
636 if (!xs_is_null(type) && strcmp(type, "Emoji") == 0) {
637 const char *name = xs_dict_get(v, "name");
638 const xs_dict *icon = xs_dict_get(v, "icon");
639
640 if (!xs_is_null(name) && !xs_is_null(icon)) {
641 const char *o_url = xs_dict_get(icon, "url");
642
643 if (!xs_is_null(o_url)) {
644 xs *url = make_url(o_url, proxy, 1);
645 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
646 xs *d1 = xs_dict_new();
647
648 d1 = xs_dict_append(d1, "shortcode", nm);
649 d1 = xs_dict_append(d1, "url", url);
650 d1 = xs_dict_append(d1, "static_url", url);
651 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
652
653 eml = xs_list_append(eml, d1);
654 }
655 }
656 }
657 }
658
659 acct = xs_dict_append(acct, "emojis", eml);
660 }
661
662 acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
663 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
664 acct = xs_dict_append(acct, "following_count", xs_stock(0));
665 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
666
667 xs *fields = xs_list_new();
668 p = xs_dict_get(actor, "attachment");
669 const xs_dict *v;
670
671 /* dict of validated links */
672 xs_dict *val_links = NULL;
673 const xs_dict *metadata = xs_stock(XSTYPE_DICT);
674 snac user = {0};
675
676 if (xs_startswith(id, srv_baseurl)) {
677 /* if it's a local user, open it and pick its validated links */
678 if (user_open(&user, prefu)) {
679 val_links = user.links;
680 metadata = xs_dict_get_def(user.config, "metadata", xs_stock(XSTYPE_DICT));
681
682 /* does this user want to publish their contact metrics? */
683 if (xs_is_true(xs_dict_get(user.config, "show_contact_metrics"))) {
684 int fwing = following_list_len(&user);
685 int fwers = follower_list_len(&user);
686 xs *ni = xs_number_new(fwing);
687 xs *ne = xs_number_new(fwers);
688
689 acct = xs_dict_append(acct, "followers_count", ne);
690 acct = xs_dict_append(acct, "following_count", ni);
691 }
692 }
693 }
694
695 if (xs_is_null(val_links))
696 val_links = xs_stock(XSTYPE_DICT);
697
698 int c = 0;
699 while (xs_list_next(p, &v, &c)) {
700 const char *type = xs_dict_get(v, "type");
701 const char *name = xs_dict_get(v, "name");
702 const char *value = xs_dict_get(v, "value");
703
704 if (!xs_is_null(type) && !xs_is_null(name) &&
705 !xs_is_null(value) && strcmp(type, "PropertyValue") == 0) {
706 xs *val_date = NULL;
707
708 const char *url = xs_dict_get(metadata, name);
709
710 if (!xs_is_null(url) && xs_startswith(url, "https:/" "/")) {
711 const xs_number *verified_time = xs_dict_get(val_links, url);
712 if (xs_type(verified_time) == XSTYPE_NUMBER) {
713 time_t t = xs_number_get(verified_time);
714
715 if (t > 0)
716 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
717 }
718 }
719
720 xs *d = xs_dict_new();
721
722 d = xs_dict_append(d, "name", name);
723 d = xs_dict_append(d, "value", value);
724 d = xs_dict_append(d, "verified_at",
725 xs_type(val_date) == XSTYPE_STRING && *val_date ?
726 val_date : xs_stock(XSTYPE_NULL));
727
728 fields = xs_list_append(fields, d);
729 }
730 }
731
732 user_free(&user);
733
734 acct = xs_dict_append(acct, "fields", fields);
735
736 return acct;
737}
738
739
740xs_str *mastoapi_date(const char *date)
741/* converts an ISO 8601 date to whatever format Mastodon uses */
742{
743 xs_str *s = xs_crop_i(xs_dup(date), 0, 19);
744 s = xs_str_cat(s, ".000Z");
745
746 return s;
747}
748
749
750xs_dict *mastoapi_poll(snac *snac, const xs_dict *msg)
751/* creates a mastoapi Poll object */
752{
753 xs_dict *poll = xs_dict_new();
754 xs *mid = mastoapi_id(msg);
755 const xs_list *opts = NULL;
756 const xs_val *v;
757 int num_votes = 0;
758 xs *options = xs_list_new();
759
760 poll = xs_dict_append(poll, "id", mid);
761 const char *date = xs_dict_get(msg, "endTime");
762 if (date == NULL)
763 date = xs_dict_get(msg, "closed");
764 if (date == NULL)
765 return NULL;
766
767 xs *fd = mastoapi_date(date);
768 poll = xs_dict_append(poll, "expires_at", fd);
769
770 date = xs_dict_get(msg, "closed");
771 time_t t = 0;
772
773 if (date != NULL)
774 t = xs_parse_iso_date(date, 0);
775
776 poll = xs_dict_append(poll, "expired",
777 t < time(NULL) ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
778
779 if ((opts = xs_dict_get(msg, "oneOf")) != NULL)
780 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_FALSE));
781 else {
782 opts = xs_dict_get(msg, "anyOf");
783 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_TRUE));
784 }
785
786 int c = 0;
787 while (xs_list_next(opts, &v, &c)) {
788 const char *title = xs_dict_get(v, "name");
789 const char *replies = xs_dict_get(v, "replies");
790
791 if (title && replies) {
792 const char *votes_count = xs_dict_get(replies, "totalItems");
793
794 if (xs_type(votes_count) == XSTYPE_NUMBER) {
795 xs *d = xs_dict_new();
796 d = xs_dict_append(d, "title", title);
797 d = xs_dict_append(d, "votes_count", votes_count);
798
799 options = xs_list_append(options, d);
800 num_votes += xs_number_get(votes_count);
801 }
802 }
803 }
804
805 poll = xs_dict_append(poll, "options", options);
806 xs *vc = xs_number_new(num_votes);
807 poll = xs_dict_append(poll, "votes_count", vc);
808
809 poll = xs_dict_append(poll, "emojis", xs_stock(XSTYPE_LIST));
810
811 poll = xs_dict_append(poll, "voted",
812 (snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ?
813 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
814
815 return poll;
816}
817
818
819xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
820/* converts an ActivityPub note to a Mastodon status */
821{
822 xs *actor = NULL;
823 actor_get_refresh(snac, get_atto(msg), &actor);
824 const char *proxy = NULL;
825
826 /* if the author is not here, discard */
827 if (actor == NULL)
828 return NULL;
829
830 if (snac && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
831 proxy = snac->actor;
832
833 const char *type = xs_dict_get(msg, "type");
834 const char *id = xs_dict_get(msg, "id");
835
836 /* fail if it's not a valid actor */
837 if (xs_is_null(type) || xs_is_null(id))
838 return NULL;
839
840 xs *acct = mastoapi_account(snac, actor);
841 if (acct == NULL)
842 return NULL;
843
844 xs *idx = NULL;
845 xs *ixc = NULL;
846 const char *tmp;
847 xs *mid = mastoapi_id(msg);
848
849 xs_dict *st = xs_dict_new();
850
851 st = xs_dict_append(st, "id", mid);
852 st = xs_dict_append(st, "uri", id);
853 st = xs_dict_append(st, "url", id);
854 st = xs_dict_append(st, "account", acct);
855
856 const char *published = xs_dict_get(msg, "published");
857 xs *fd = NULL;
858
859 if (published)
860 fd = mastoapi_date(published);
861 else {
862 xs *p = xs_str_iso_date(0);
863 fd = mastoapi_date(p);
864 }
865
866 st = xs_dict_append(st, "created_at", fd);
867
868 {
869 const char *content = xs_dict_get(msg, "content");
870 const char *name = xs_dict_get(msg, "name");
871 xs *s1 = NULL;
872
873 if (name && content)
874 s1 = xs_fmt("%s<br><br>%s", name, content);
875 else
876 if (name)
877 s1 = xs_dup(name);
878 else
879 if (content)
880 s1 = xs_dup(content);
881 else
882 s1 = xs_str_new(NULL);
883
884 st = xs_dict_append(st, "content", s1);
885 }
886
887 st = xs_dict_append(st, "visibility",
888 is_msg_public(msg) ? "public" : "private");
889
890 tmp = xs_dict_get(msg, "sensitive");
891 if (xs_is_null(tmp))
892 tmp = xs_stock(XSTYPE_FALSE);
893
894 st = xs_dict_append(st, "sensitive", tmp);
895
896 tmp = xs_dict_get(msg, "summary");
897 if (xs_is_null(tmp))
898 tmp = "";
899
900 st = xs_dict_append(st, "spoiler_text", tmp);
901
902 /* create the list of attachments */
903 xs *attach = get_attachments(msg);
904
905 {
906 xs_list *p = attach;
907 const xs_dict *v;
908
909 xs *matt = xs_list_new();
910
911 while (xs_list_iter(&p, &v)) {
912 const char *type = xs_dict_get(v, "type");
913 const char *o_href = xs_dict_get(v, "href");
914 const char *name = xs_dict_get(v, "name");
915
916 if (xs_match(type, "image/*|video/*|audio/*|Image|Video")) { /* */
917 xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
918 xs *href = make_url(o_href, proxy, 1);
919
920 xs *d = xs_dict_new();
921
922 d = xs_dict_append(d, "id", matteid);
923 d = xs_dict_append(d, "url", href);
924 d = xs_dict_append(d, "preview_url", href);
925 d = xs_dict_append(d, "remote_url", href);
926 d = xs_dict_append(d, "description", name);
927
928 d = xs_dict_append(d, "type", (*type == 'v' || *type == 'V') ? "video" :
929 (*type == 'a' || *type == 'A') ? "audio" : "image");
930
931 matt = xs_list_append(matt, d);
932 }
933 }
934
935 st = xs_dict_append(st, "media_attachments", matt);
936 }
937
938 {
939 xs *ml = xs_list_new();
940 xs *htl = xs_list_new();
941 xs *eml = xs_list_new();
942 const xs_list *tag = xs_dict_get(msg, "tag");
943 int n = 0;
944
945 xs *tag_list = NULL;
946
947 if (xs_type(tag) == XSTYPE_DICT) {
948 tag_list = xs_list_new();
949 tag_list = xs_list_append(tag_list, tag);
950 }
951 else
952 if (xs_type(tag) == XSTYPE_LIST)
953 tag_list = xs_dup(tag);
954 else
955 tag_list = xs_list_new();
956
957 tag = tag_list;
958 const xs_dict *v;
959
960 int c = 0;
961 while (xs_list_next(tag, &v, &c)) {
962 const char *type = xs_dict_get(v, "type");
963
964 if (xs_is_null(type))
965 continue;
966
967 xs *d1 = xs_dict_new();
968
969 if (strcmp(type, "Mention") == 0) {
970 const char *name = xs_dict_get(v, "name");
971 const char *href = xs_dict_get(v, "href");
972
973 if (!xs_is_null(name) && !xs_is_null(href) &&
974 (snac == NULL || strcmp(href, snac->actor) != 0)) {
975 xs *nm = xs_strip_chars_i(xs_dup(name), "@");
976
977 xs *id = xs_fmt("%d", n++);
978 d1 = xs_dict_append(d1, "id", id);
979 d1 = xs_dict_append(d1, "username", nm);
980 d1 = xs_dict_append(d1, "acct", nm);
981 d1 = xs_dict_append(d1, "url", href);
982
983 ml = xs_list_append(ml, d1);
984 }
985 }
986 else
987 if (strcmp(type, "Hashtag") == 0) {
988 const char *name = xs_dict_get(v, "name");
989 const char *href = xs_dict_get(v, "href");
990
991 if (!xs_is_null(name) && !xs_is_null(href)) {
992 xs *nm = xs_strip_chars_i(xs_dup(name), "#");
993
994 d1 = xs_dict_append(d1, "name", nm);
995 d1 = xs_dict_append(d1, "url", href);
996
997 htl = xs_list_append(htl, d1);
998 }
999 }
1000 else
1001 if (strcmp(type, "Emoji") == 0) {
1002 const char *name = xs_dict_get(v, "name");
1003 const xs_dict *icon = xs_dict_get(v, "icon");
1004
1005 if (!xs_is_null(name) && !xs_is_null(icon)) {
1006 const char *o_url = xs_dict_get(icon, "url");
1007
1008 if (!xs_is_null(o_url)) {
1009 xs *url = make_url(o_url, snac ? snac->actor : NULL, 1);
1010 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
1011
1012 d1 = xs_dict_append(d1, "shortcode", nm);
1013 d1 = xs_dict_append(d1, "url", url);
1014 d1 = xs_dict_append(d1, "static_url", url);
1015 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1016 d1 = xs_dict_append(d1, "category", "Emojis");
1017
1018 eml = xs_list_append(eml, d1);
1019 }
1020 }
1021 }
1022 }
1023
1024 st = xs_dict_append(st, "mentions", ml);
1025 st = xs_dict_append(st, "tags", htl);
1026 st = xs_dict_append(st, "emojis", eml);
1027 }
1028
1029 xs_free(idx);
1030 xs_free(ixc);
1031 idx = object_likes(id);
1032 ixc = xs_number_new(xs_list_len(idx));
1033
1034 st = xs_dict_append(st, "favourites_count", ixc);
1035 st = xs_dict_append(st, "favourited",
1036 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1037
1038 xs_free(idx);
1039 xs_free(ixc);
1040 idx = object_announces(id);
1041 ixc = xs_number_new(xs_list_len(idx));
1042
1043 st = xs_dict_append(st, "reblogs_count", ixc);
1044 st = xs_dict_append(st, "reblogged",
1045 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1046
1047 /* get the last person who boosted this */
1048 xs *boosted_by_md5 = NULL;
1049 if (xs_list_len(idx))
1050 boosted_by_md5 = xs_dup(xs_list_get(idx, -1));
1051
1052 xs_free(idx);
1053 xs_free(ixc);
1054 idx = object_children(id);
1055 ixc = xs_number_new(xs_list_len(idx));
1056
1057 st = xs_dict_append(st, "replies_count", ixc);
1058
1059 /* default in_reply_to values */
1060 st = xs_dict_append(st, "in_reply_to_id", xs_stock(XSTYPE_NULL));
1061 st = xs_dict_append(st, "in_reply_to_account_id", xs_stock(XSTYPE_NULL));
1062
1063 tmp = get_in_reply_to(msg);
1064 if (!xs_is_null(tmp)) {
1065 xs *irto = NULL;
1066
1067 if (valid_status(object_get(tmp, &irto))) {
1068 xs *irt_mid = mastoapi_id(irto);
1069 st = xs_dict_set(st, "in_reply_to_id", irt_mid);
1070
1071 const char *at = NULL;
1072 if (!xs_is_null(at = get_atto(irto))) {
1073 xs *at_md5 = xs_md5_hex(at, strlen(at));
1074 st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
1075 }
1076 }
1077 }
1078
1079 st = xs_dict_append(st, "reblog", xs_stock(XSTYPE_NULL));
1080 st = xs_dict_append(st, "card", xs_stock(XSTYPE_NULL));
1081 st = xs_dict_append(st, "language", "en");
1082
1083 st = xs_dict_append(st, "filtered", xs_stock(XSTYPE_LIST));
1084 st = xs_dict_append(st, "muted", xs_stock(XSTYPE_FALSE));
1085
1086 tmp = xs_dict_get(msg, "sourceContent");
1087 if (xs_is_null(tmp))
1088 tmp = "";
1089
1090 st = xs_dict_append(st, "text", tmp);
1091
1092 tmp = xs_dict_get(msg, "updated");
1093 xs *fd2 = NULL;
1094 if (xs_is_null(tmp))
1095 tmp = xs_stock(XSTYPE_NULL);
1096 else {
1097 fd2 = mastoapi_date(tmp);
1098 tmp = fd2;
1099 }
1100
1101 st = xs_dict_append(st, "edited_at", tmp);
1102
1103 if (strcmp(type, "Question") == 0) {
1104 xs *poll = mastoapi_poll(snac, msg);
1105 st = xs_dict_append(st, "poll", poll);
1106 }
1107 else
1108 st = xs_dict_append(st, "poll", xs_stock(XSTYPE_NULL));
1109
1110 st = xs_dict_append(st, "bookmarked",
1111 (snac && is_bookmarked(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1112
1113 st = xs_dict_append(st, "pinned",
1114 (snac && is_pinned(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1115
1116 /* is it a boost? */
1117 if (!xs_is_null(boosted_by_md5)) {
1118 /* create a new dummy status, using st as the 'reblog' field */
1119 xs_dict *bst = xs_dup(st);
1120 xs *b_actor = NULL;
1121
1122 if (valid_status(object_get_by_md5(boosted_by_md5, &b_actor))) {
1123 xs *b_acct = mastoapi_account(snac, b_actor);
1124 xs *fake_uri = NULL;
1125
1126 if (snac)
1127 fake_uri = xs_fmt("%s/d/%s/Announce", snac->actor, mid);
1128 else
1129 fake_uri = xs_fmt("%s#%s", srv_baseurl, mid);
1130
1131 bst = xs_dict_set(bst, "uri", fake_uri);
1132 bst = xs_dict_set(bst, "url", fake_uri);
1133 bst = xs_dict_set(bst, "account", b_acct);
1134 bst = xs_dict_set(bst, "content", "");
1135 bst = xs_dict_set(bst, "reblog", st);
1136
1137 xs *b_id = xs_toupper_i(xs_dup(xs_dict_get(st, "id")));
1138 bst = xs_dict_set(bst, "id", b_id);
1139
1140 xs_free(st);
1141 st = bst;
1142 }
1143 else
1144 xs_free(bst);
1145 }
1146
1147 return st;
1148}
1149
1150
1151xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1152{
1153 xs_dict *rel = NULL;
1154 xs *actor_o = NULL;
1155
1156 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1157 rel = xs_dict_new();
1158
1159 const char *actor = xs_dict_get(actor_o, "id");
1160
1161 rel = xs_dict_append(rel, "id", md5);
1162 rel = xs_dict_append(rel, "following",
1163 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1164
1165 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1166 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1167 rel = xs_dict_append(rel, "followed_by",
1168 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1169
1170 rel = xs_dict_append(rel, "blocking",
1171 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1172
1173 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1174 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1175 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1176 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1177 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1178 rel = xs_dict_append(rel, "note", "");
1179 }
1180
1181 return rel;
1182}
1183
1184
1185int process_auth_token(snac *snac, const xs_dict *req)
1186/* processes an authorization token, if there is one */
1187{
1188 int logged_in = 0;
1189 const char *v;
1190
1191 /* if there is an authorization field, try to validate it */
1192 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1193 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1194 xs *token = token_get(tokid);
1195
1196 if (token != NULL) {
1197 const char *uid = xs_dict_get(token, "uid");
1198
1199 if (!xs_is_null(uid) && user_open(snac, uid)) {
1200 logged_in = 1;
1201
1202 /* this counts as a 'login' */
1203 lastlog_write(snac, "mastoapi");
1204
1205 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1206 }
1207 else
1208 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1209 }
1210 else
1211 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1212 }
1213
1214 return logged_in;
1215}
1216
1217
1218void credentials_get(char **body, char **ctype, int *status, snac snac)
1219{
1220 xs *acct = xs_dict_new();
1221
1222 const xs_val *bot = xs_dict_get(snac.config, "bot");
1223
1224 acct = xs_dict_append(acct, "id", snac.md5);
1225 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1226 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1227 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1228 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1229 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1230 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1231 acct = xs_dict_append(acct, "url", snac.actor);
1232
1233 acct = xs_dict_append(acct, "locked",
1234 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1235
1236 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1237 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1238
1239 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1240 "\"follow_requests_count\": 0,"
1241 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1242 /* some apps take the note from the source object */
1243 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1244 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1245
1246 const xs_str *cw = xs_dict_get(snac.config, "cw");
1247 src = xs_dict_set(src, "sensitive",
1248 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1249
1250 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1251
1252 xs *avatar = NULL;
1253 const char *av = xs_dict_get(snac.config, "avatar");
1254
1255 if (xs_is_null(av) || *av == '\0')
1256 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1257 else
1258 avatar = xs_dup(av);
1259
1260 acct = xs_dict_append(acct, "avatar", avatar);
1261 acct = xs_dict_append(acct, "avatar_static", avatar);
1262
1263 xs *header = NULL;
1264 const char *hd = xs_dict_get(snac.config, "header");
1265
1266 if (!xs_is_null(hd))
1267 header = xs_dup(hd);
1268 else
1269 header = xs_str_new(NULL);
1270
1271 acct = xs_dict_append(acct, "header", header);
1272 acct = xs_dict_append(acct, "header_static", header);
1273
1274 const xs_dict *metadata = xs_dict_get(snac.config, "metadata");
1275 if (xs_type(metadata) == XSTYPE_DICT) {
1276 xs *fields = xs_list_new();
1277 const xs_str *k;
1278 const xs_str *v;
1279
1280 xs_dict *val_links = snac.links;
1281 if (xs_is_null(val_links))
1282 val_links = xs_stock(XSTYPE_DICT);
1283
1284 int c = 0;
1285 while (xs_dict_next(metadata, &k, &v, &c)) {
1286 xs *val_date = NULL;
1287
1288 const xs_number *verified_time = xs_dict_get(val_links, v);
1289 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1290 time_t t = xs_number_get(verified_time);
1291
1292 if (t > 0)
1293 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1294 }
1295
1296 xs *d = xs_dict_new();
1297
1298 d = xs_dict_append(d, "name", k);
1299 d = xs_dict_append(d, "value", v);
1300 d = xs_dict_append(d, "verified_at",
1301 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1302
1303 fields = xs_list_append(fields, d);
1304 }
1305
1306 acct = xs_dict_set(acct, "fields", fields);
1307 /* some apps take the fields from the source object */
1308 src = xs_dict_set(src, "fields", fields);
1309 }
1310
1311 acct = xs_dict_append(acct, "source", src);
1312 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1313 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1314 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1315
1316 /* does this user want to publish their contact metrics? */
1317 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1318 int fwing = following_list_len(&snac);
1319 int fwers = follower_list_len(&snac);
1320 xs *ni = xs_number_new(fwing);
1321 xs *ne = xs_number_new(fwers);
1322
1323 acct = xs_dict_append(acct, "followers_count", ne);
1324 acct = xs_dict_append(acct, "following_count", ni);
1325 }
1326
1327 *body = xs_json_dumps(acct, 4);
1328 *ctype = "application/json";
1329 *status = HTTP_STATUS_OK;
1330}
1331
1332
1333xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1334{
1335 xs_list *out = xs_list_new();
1336 FILE *f;
1337 char md5[MD5_HEX_SIZE];
1338
1339 if (dbglevel) {
1340 xs *js = xs_json_dumps(args, 0);
1341 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1342 }
1343
1344 if ((f = fopen(index_fn, "r")) == NULL)
1345 return out;
1346
1347 const char *o_max_id = xs_dict_get(args, "max_id");
1348 const char *o_since_id = xs_dict_get(args, "since_id");
1349 const char *o_min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1350 const char *limit_s = xs_dict_get(args, "limit");
1351 int (*iterator)(FILE *, char *);
1352 int initial_status = 0;
1353 int ascending = 0;
1354 int limit = 0;
1355 int cnt = 0;
1356
1357 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1358 xs *since_id = o_since_id ? xs_tolower_i(xs_dup(o_since_id)) : NULL;
1359 xs *min_id = o_min_id ? xs_tolower_i(xs_dup(o_min_id)) : NULL;
1360
1361 if (!xs_is_null(limit_s))
1362 limit = atoi(limit_s);
1363
1364 if (limit == 0)
1365 limit = 20;
1366
1367 if (min_id) {
1368 iterator = &index_asc_next;
1369 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1370 ascending = 1;
1371 }
1372 else {
1373 iterator = &index_desc_next;
1374 initial_status = index_desc_first(f, md5, 0);
1375 }
1376
1377 if (initial_status) {
1378 do {
1379 xs *msg = NULL;
1380
1381 /* only return entries older that max_id */
1382 if (max_id) {
1383 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1384 max_id = xs_free(max_id);
1385 if (ascending)
1386 break;
1387 }
1388 if (!ascending)
1389 continue;
1390 }
1391
1392 /* only returns entries newer than since_id */
1393 if (since_id) {
1394 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1395 if (!ascending)
1396 break;
1397 since_id = xs_free(since_id);
1398 }
1399 if (ascending)
1400 continue;
1401 }
1402
1403 /* get the entry */
1404 if (user) {
1405 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1406 continue;
1407 }
1408 else {
1409 if (!valid_status(object_get_by_md5(md5, &msg)))
1410 continue;
1411 }
1412
1413 /* discard non-Notes */
1414 const char *id = xs_dict_get(msg, "id");
1415 const char *type = xs_dict_get(msg, "type");
1416 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1417 continue;
1418
1419 if (id && is_instance_blocked(id))
1420 continue;
1421
1422 const char *from = NULL;
1423 if (strcmp(type, "Page") == 0)
1424 from = xs_dict_get(msg, "audience");
1425
1426 if (from == NULL)
1427 from = get_atto(msg);
1428
1429 if (from == NULL)
1430 continue;
1431
1432 if (user) {
1433 /* is this message from a person we don't follow? */
1434 if (strcmp(from, user->actor) && !following_check(user, from)) {
1435 /* discard if it was not boosted */
1436 xs *idx = object_announces(id);
1437
1438 if (xs_list_len(idx) == 0)
1439 continue;
1440 }
1441
1442 /* discard notes from muted morons */
1443 if (is_muted(user, from))
1444 continue;
1445
1446 /* discard hidden notes */
1447 if (is_hidden(user, id))
1448 continue;
1449 }
1450 else {
1451 /* skip non-public messages */
1452 if (!is_msg_public(msg))
1453 continue;
1454
1455 /* discard messages from private users */
1456 if (is_msg_from_private_user(msg))
1457 continue;
1458 }
1459
1460 /* if it has a name and it's not an object that may have one,
1461 it's a poll vote, so discard it */
1462 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1463 continue;
1464
1465 /* convert the Note into a Mastodon status */
1466 xs *st = mastoapi_status(user, msg);
1467
1468 if (st != NULL) {
1469 if (ascending)
1470 out = xs_list_insert(out, 0, st);
1471 else
1472 out = xs_list_append(out, st);
1473 cnt++;
1474 }
1475
1476 } while ((cnt < limit) && (*iterator)(f, md5));
1477 }
1478
1479 int more = index_desc_next(f, md5);
1480
1481 fclose(f);
1482
1483 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1484
1485 return out;
1486}
1487
1488
1489xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1490/* returns a Link header with paging information */
1491{
1492 xs_str *s = NULL;
1493
1494 if (xs_list_len(timeline) == 0)
1495 return NULL;
1496
1497 const xs_dict *first_st = xs_list_get(timeline, 0);
1498 const xs_dict *last_st = xs_list_get(timeline, -1);
1499 const char *first_id = xs_dict_get(first_st, "id");
1500 const char *last_id = xs_dict_get(last_st, "id");
1501 const char *host = xs_dict_get(srv_config, "host");
1502 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1503
1504 s = xs_fmt(
1505 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1506 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1507 protocol, host, endpoint, last_id,
1508 protocol, host, endpoint, first_id);
1509
1510 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1511
1512 return s;
1513}
1514
1515
1516xs_list *mastoapi_account_lists(snac *user, const char *uid)
1517/* returns the list of list an user is in */
1518{
1519 xs_list *out = xs_list_new();
1520 xs *actor_md5 = NULL;
1521 xs *lol = list_maint(user, NULL, 0);
1522
1523 if (uid) {
1524 if (!xs_is_hex(uid))
1525 actor_md5 = xs_md5_hex(uid, strlen(uid));
1526 else
1527 actor_md5 = xs_dup(uid);
1528 }
1529
1530 const xs_list *li;
1531 xs_list_foreach(lol, li) {
1532 const char *list_id = xs_list_get(li, 0);
1533 const char *list_title = xs_list_get(li, 1);
1534 if (uid) {
1535 xs *users = list_content(user, list_id, NULL, 0);
1536 if (xs_list_in(users, actor_md5) == -1)
1537 continue;
1538 }
1539
1540 xs *d = xs_dict_new();
1541
1542 d = xs_dict_append(d, "id", list_id);
1543 d = xs_dict_append(d, "title", list_title);
1544 d = xs_dict_append(d, "replies_policy", "list");
1545 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1546
1547 out = xs_list_append(out, d);
1548 }
1549
1550 return out;
1551}
1552
1553
1554int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1555 char **body, int *b_size, char **ctype, xs_str **link)
1556{
1557 (void)b_size;
1558
1559 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1560 return 0;
1561
1562 int status = HTTP_STATUS_NOT_FOUND;
1563 const xs_dict *args = xs_dict_get(req, "q_vars");
1564 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1565
1566 snac snac1 = {0};
1567 int logged_in = process_auth_token(&snac1, req);
1568
1569 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1570 if (logged_in) {
1571 credentials_get(body, ctype, &status, snac1);
1572 }
1573 else {
1574 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1575 }
1576 }
1577 else
1578 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1579 /* find if an account is followed, blocked, etc. */
1580 /* the account to get relationships about is in args "id[]" */
1581
1582 if (logged_in) {
1583 xs *res = xs_list_new();
1584 const char *md5 = xs_dict_get(args, "id[]");
1585
1586 if (xs_is_null(md5))
1587 md5 = xs_dict_get(args, "id");
1588
1589 if (!xs_is_null(md5)) {
1590 if (xs_type(md5) == XSTYPE_LIST)
1591 md5 = xs_list_get(md5, 0);
1592
1593 xs *rel = mastoapi_relationship(&snac1, md5);
1594
1595 if (rel != NULL)
1596 res = xs_list_append(res, rel);
1597 }
1598
1599 *body = xs_json_dumps(res, 4);
1600 *ctype = "application/json";
1601 status = HTTP_STATUS_OK;
1602 }
1603 else
1604 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1605 }
1606 else
1607 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1608 /* lookup an account */
1609 const char *acct = xs_dict_get(args, "acct");
1610
1611 if (!xs_is_null(acct)) {
1612 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1613 xs *l = xs_split_n(s, "@", 1);
1614 const char *uid = xs_list_get(l, 0);
1615 const char *host = xs_list_get(l, 1);
1616
1617 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1618 snac user;
1619
1620 if (user_open(&user, uid)) {
1621 xs *actor = msg_actor(&user);
1622 xs *macct = mastoapi_account(NULL, actor);
1623
1624 *body = xs_json_dumps(macct, 4);
1625 *ctype = "application/json";
1626 status = HTTP_STATUS_OK;
1627
1628 user_free(&user);
1629 }
1630 }
1631 }
1632 }
1633 else
1634 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1635 /* account-related information */
1636 xs *l = xs_split(cmd, "/");
1637 const char *uid = xs_list_get(l, 3);
1638 const char *opt = xs_list_get(l, 4);
1639
1640 if (uid != NULL) {
1641 snac snac2;
1642 xs *out = NULL;
1643 xs *actor = NULL;
1644
1645 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1646 /* search for accounts starting with q */
1647 const char *aq = xs_dict_get(args, "q");
1648
1649 if (!xs_is_null(aq)) {
1650 xs *q = xs_utf8_to_lower(aq);
1651 out = xs_list_new();
1652 xs *wing = following_list(&snac1);
1653 xs *wers = follower_list(&snac1);
1654 xs *ulst = user_list();
1655 xs_list *p;
1656 const xs_str *v;
1657 xs_set seen;
1658
1659 xs_set_init(&seen);
1660
1661 /* user relations */
1662 xs_list *lsts[] = { wing, wers, NULL };
1663 int n;
1664 for (n = 0; (p = lsts[n]) != NULL; n++) {
1665
1666 while (xs_list_iter(&p, &v)) {
1667 /* already seen? skip */
1668 if (xs_set_add(&seen, v) == 0)
1669 continue;
1670
1671 xs *actor = NULL;
1672
1673 if (valid_status(object_get(v, &actor))) {
1674 const char *uname = xs_dict_get(actor, "preferredUsername");
1675
1676 if (!xs_is_null(uname)) {
1677 xs *luname = xs_tolower_i(xs_dup(uname));
1678
1679 if (xs_startswith(luname, q)) {
1680 xs *acct = mastoapi_account(&snac1, actor);
1681
1682 out = xs_list_append(out, acct);
1683 }
1684 }
1685 }
1686 }
1687 }
1688
1689 /* local users */
1690 p = ulst;
1691 while (xs_list_iter(&p, &v)) {
1692 snac user;
1693
1694 /* skip this same user */
1695 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1696 continue;
1697
1698 /* skip if the uid does not start with the query */
1699 xs *v2 = xs_tolower_i(xs_dup(v));
1700 if (!xs_startswith(v2, q))
1701 continue;
1702
1703 if (user_open(&user, v)) {
1704 /* if it's not already seen, add it */
1705 if (xs_set_add(&seen, user.actor) == 1) {
1706 xs *actor = msg_actor(&user);
1707 xs *acct = mastoapi_account(&snac1, actor);
1708
1709 out = xs_list_append(out, acct);
1710 }
1711
1712 user_free(&user);
1713 }
1714 }
1715
1716 xs_set_free(&seen);
1717 }
1718 }
1719 else
1720 /* is it a local user? */
1721 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1722 if (opt == NULL) {
1723 /* account information */
1724 actor = msg_actor(&snac2);
1725 out = mastoapi_account(NULL, actor);
1726 }
1727 else
1728 if (strcmp(opt, "statuses") == 0) { /** **/
1729 /* the public list of posts of a user */
1730 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
1731 xs_list *p = timeline;
1732 const xs_str *v;
1733
1734 out = xs_list_new();
1735
1736 while (xs_list_iter(&p, &v)) {
1737 xs *msg = NULL;
1738
1739 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
1740 /* add only posts by the author */
1741 if (strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
1742 xs_startswith(xs_dict_get(msg, "id"), snac2.actor)) {
1743 xs *st = mastoapi_status(&snac2, msg);
1744
1745 if (st)
1746 out = xs_list_append(out, st);
1747 }
1748 }
1749 }
1750 }
1751 else
1752 if (strcmp(opt, "featured_tags") == 0) {
1753 /* snac doesn't have features tags, yet? */
1754 /* implement empty response so apps like Tokodon don't show an error */
1755 out = xs_list_new();
1756 }
1757 else
1758 if (strcmp(opt, "following") == 0) {
1759 xs *wing = following_list(&snac1);
1760 out = xs_list_new();
1761 int c = 0;
1762 const char *v;
1763
1764 while (xs_list_next(wing, &v, &c)) {
1765 xs *actor = NULL;
1766
1767 if (valid_status(object_get(v, &actor))) {
1768 xs *acct = mastoapi_account(NULL, actor);
1769 out = xs_list_append(out, acct);
1770 }
1771 }
1772 }
1773 else
1774 if (strcmp(opt, "followers") == 0) {
1775 out = xs_list_new();
1776 }
1777 else
1778 if (strcmp(opt, "lists") == 0) {
1779 out = mastoapi_account_lists(&snac1, uid);
1780 }
1781
1782 user_free(&snac2);
1783 }
1784 else {
1785 /* try the uid as the md5 of a possibly loaded actor */
1786 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
1787 if (opt == NULL) {
1788 /* account information */
1789 out = mastoapi_account(&snac1, actor);
1790 }
1791 else
1792 if (strcmp(opt, "statuses") == 0) {
1793 /* we don't serve statuses of others; return the empty list */
1794 out = xs_list_new();
1795 }
1796 else
1797 if (strcmp(opt, "featured_tags") == 0) {
1798 /* snac doesn't have features tags, yet? */
1799 /* implement empty response so apps like Tokodon don't show an error */
1800 out = xs_list_new();
1801 }
1802 else
1803 if (strcmp(opt, "lists") == 0) {
1804 out = mastoapi_account_lists(&snac1, uid);
1805 }
1806 }
1807 }
1808
1809 if (out != NULL) {
1810 *body = xs_json_dumps(out, 4);
1811 *ctype = "application/json";
1812 status = HTTP_STATUS_OK;
1813 }
1814 }
1815 }
1816 else
1817 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
1818 /* the private timeline */
1819 if (logged_in) {
1820 xs *ifn = user_index_fn(&snac1, "private");
1821 xs *out = mastoapi_timeline(&snac1, args, ifn);
1822
1823 *link = timeline_link_header("/api/v1/timelines/home", out);
1824
1825 *body = xs_json_dumps(out, 4);
1826 *ctype = "application/json";
1827 status = HTTP_STATUS_OK;
1828
1829 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
1830 }
1831 else {
1832 status = HTTP_STATUS_UNAUTHORIZED;
1833 }
1834 }
1835 else
1836 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
1837 /* the instance public timeline (public timelines for all users) */
1838 xs *ifn = instance_index_fn();
1839 xs *out = mastoapi_timeline(NULL, args, ifn);
1840
1841 *body = xs_json_dumps(out, 4);
1842 *ctype = "application/json";
1843 status = HTTP_STATUS_OK;
1844 }
1845 else
1846 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
1847 /* get the tag */
1848 xs *l = xs_split(cmd, "/");
1849 const char *tag = xs_list_get(l, -1);
1850
1851 xs *ifn = tag_fn(tag);
1852 xs *out = mastoapi_timeline(NULL, args, ifn);
1853
1854 *body = xs_json_dumps(out, 4);
1855 *ctype = "application/json";
1856 status = HTTP_STATUS_OK;
1857 }
1858 else
1859 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
1860 /* get the list id */
1861 if (logged_in) {
1862 xs *l = xs_split(cmd, "/");
1863 const char *list = xs_list_get(l, -1);
1864
1865 xs *ifn = list_timeline_fn(&snac1, list);
1866 xs *out = mastoapi_timeline(NULL, args, ifn);
1867
1868 *body = xs_json_dumps(out, 4);
1869 *ctype = "application/json";
1870 status = HTTP_STATUS_OK;
1871 }
1872 else
1873 status = HTTP_STATUS_MISDIRECTED_REQUEST;
1874 }
1875 else
1876 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
1877 /* TBD */
1878 *body = xs_dup("[]");
1879 *ctype = "application/json";
1880 status = HTTP_STATUS_OK;
1881 }
1882 else
1883 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
1884 if (logged_in) {
1885 xs *l = notify_list(&snac1, 0, 64);
1886 xs *out = xs_list_new();
1887 const char *v;
1888 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
1889 const xs_list *incl = xs_dict_get(args, "types[]");
1890 const char *min_id = xs_dict_get(args, "min_id");
1891 const char *max_id = xs_dict_get(args, "max_id");
1892 const char *limit = xs_dict_get(args, "limit");
1893 int limit_count = 0;
1894 if (xs_is_string(limit)) {
1895 limit_count = atoi(limit);
1896 }
1897
1898 if (dbglevel) {
1899 xs *js = xs_json_dumps(args, 0);
1900 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
1901 }
1902
1903 xs_list_foreach(l, v) {
1904 xs *noti = notify_get(&snac1, v);
1905
1906 if (noti == NULL)
1907 continue;
1908
1909 const char *type = xs_dict_get(noti, "type");
1910 const char *utype = xs_dict_get(noti, "utype");
1911 const char *objid = xs_dict_get(noti, "objid");
1912 const char *id = xs_dict_get(noti, "id");
1913 const char *actid = xs_dict_get(noti, "actor");
1914 xs *fid = xs_replace(id, ".", "");
1915 xs *actor = NULL;
1916 xs *entry = NULL;
1917
1918 if (!valid_status(actor_get(actid, &actor)))
1919 continue;
1920
1921 if (objid != NULL && !valid_status(object_get(objid, &entry)))
1922 continue;
1923
1924 if (is_hidden(&snac1, objid))
1925 continue;
1926
1927 if (max_id) {
1928 if (strcmp(fid, max_id) == 0)
1929 max_id = NULL;
1930
1931 continue;
1932 }
1933
1934 if (min_id) {
1935 if (strcmp(fid, min_id) <= 0) {
1936 continue;
1937 }
1938 }
1939
1940 /* convert the type */
1941 if (strcmp(type, "Like") == 0 || strcmp(type, "EmojiReact") == 0)
1942 type = "favourite";
1943 else
1944 if (strcmp(type, "Announce") == 0)
1945 type = "reblog";
1946 else
1947 if (strcmp(type, "Follow") == 0)
1948 type = "follow";
1949 else
1950 if (strcmp(type, "Create") == 0)
1951 type = "mention";
1952 else
1953 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
1954 type = "poll";
1955 else
1956 continue;
1957
1958 /* excluded type? */
1959 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
1960 continue;
1961
1962 /* included type? */
1963 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
1964 continue;
1965
1966 xs *mn = xs_dict_new();
1967
1968 mn = xs_dict_append(mn, "type", type);
1969
1970 mn = xs_dict_append(mn, "id", fid);
1971
1972 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
1973
1974 xs *acct = mastoapi_account(&snac1, actor);
1975
1976 if (acct == NULL)
1977 continue;
1978
1979 mn = xs_dict_append(mn, "account", acct);
1980
1981 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
1982 xs *st = mastoapi_status(&snac1, entry);
1983
1984 if (st)
1985 mn = xs_dict_append(mn, "status", st);
1986 }
1987
1988 out = xs_list_append(out, mn);
1989
1990 if (--limit_count <= 0)
1991 break;
1992 }
1993
1994 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
1995
1996 *body = xs_json_dumps(out, 4);
1997 *ctype = "application/json";
1998 status = HTTP_STATUS_OK;
1999 }
2000 else
2001 status = HTTP_STATUS_UNAUTHORIZED;
2002 }
2003 else
2004 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2005 /* snac will never have filters */
2006 *body = xs_dup("[]");
2007 *ctype = "application/json";
2008 status = HTTP_STATUS_OK;
2009 }
2010 else
2011 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2012 /* snac will never have filters
2013 * but still, without a v2 endpoint a short delay is introduced
2014 * in some apps */
2015 *body = xs_dup("[]");
2016 *ctype = "application/json";
2017 status = HTTP_STATUS_OK;
2018 }
2019 else
2020 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2021 /* snac will never support a list of favourites */
2022 *body = xs_dup("[]");
2023 *ctype = "application/json";
2024 status = HTTP_STATUS_OK;
2025 }
2026 else
2027 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2028 if (logged_in) {
2029 xs *ifn = bookmark_index_fn(&snac1);
2030 xs *out = mastoapi_timeline(&snac1, args, ifn);
2031
2032 *body = xs_json_dumps(out, 4);
2033 *ctype = "application/json";
2034 status = HTTP_STATUS_OK;
2035 }
2036 else
2037 status = HTTP_STATUS_UNAUTHORIZED;
2038 }
2039 else
2040 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2041 if (logged_in) {
2042 xs *l = mastoapi_account_lists(&snac1, NULL);
2043
2044 *body = xs_json_dumps(l, 4);
2045 *ctype = "application/json";
2046 status = HTTP_STATUS_OK;
2047 }
2048 else
2049 status = HTTP_STATUS_UNAUTHORIZED;
2050 }
2051 else
2052 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2053 if (logged_in) {
2054 xs *l = xs_split(cmd, "/");
2055 const char *p = xs_list_get(l, -1);
2056
2057 if (p) {
2058 if (strcmp(p, "accounts") == 0) {
2059 p = xs_list_get(l, -2);
2060
2061 if (p && xs_is_hex(p)) {
2062 xs *actors = list_content(&snac1, p, NULL, 0);
2063 xs *out = xs_list_new();
2064 int c = 0;
2065 const char *v;
2066
2067 while (xs_list_next(actors, &v, &c)) {
2068 xs *actor = NULL;
2069
2070 if (valid_status(object_get_by_md5(v, &actor))) {
2071 xs *acct = mastoapi_account(&snac1, actor);
2072 out = xs_list_append(out, acct);
2073 }
2074 }
2075
2076 *body = xs_json_dumps(out, 4);
2077 *ctype = "application/json";
2078 status = HTTP_STATUS_OK;
2079 }
2080 }
2081 else
2082 if (xs_is_hex(p)) {
2083 xs *out = xs_list_new();
2084 xs *lol = list_maint(&snac1, NULL, 0);
2085 int c = 0;
2086 const xs_list *v;
2087
2088 while (xs_list_next(lol, &v, &c)) {
2089 const char *id = xs_list_get(v, 0);
2090
2091 if (id && strcmp(id, p) == 0) {
2092 xs *d = xs_dict_new();
2093
2094 d = xs_dict_append(d, "id", p);
2095 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2096 d = xs_dict_append(d, "replies_policy", "list");
2097 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2098
2099 out = xs_dup(d);
2100 break;
2101 }
2102 }
2103
2104 *body = xs_json_dumps(out, 4);
2105 *ctype = "application/json";
2106 status = HTTP_STATUS_OK;
2107 }
2108 }
2109 }
2110 else
2111 status = HTTP_STATUS_UNAUTHORIZED;
2112 }
2113 else
2114 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2115 /* snac does not schedule notes */
2116 *body = xs_dup("[]");
2117 *ctype = "application/json";
2118 status = HTTP_STATUS_OK;
2119 }
2120 else
2121 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2122 if (logged_in) {
2123 xs *pend = pending_list(&snac1);
2124 xs *resp = xs_list_new();
2125 const char *id;
2126
2127 xs_list_foreach(pend, id) {
2128 xs *actor = NULL;
2129
2130 if (valid_status(object_get(id, &actor))) {
2131 xs *acct = mastoapi_account(&snac1, actor);
2132
2133 if (acct)
2134 resp = xs_list_append(resp, acct);
2135 }
2136 }
2137
2138 *body = xs_json_dumps(resp, 4);
2139 *ctype = "application/json";
2140 status = HTTP_STATUS_OK;
2141 }
2142 }
2143 else
2144 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2145 if (logged_in) {
2146 xs *resp = xs_list_new();
2147 double la = 0.0;
2148 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2149 if (user_la != NULL)
2150 la = xs_number_get(user_la);
2151 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2152
2153 /* contrary to html, we always send the announcement and set the read flag instead */
2154
2155 const t_announcement *annce = announcement(la);
2156 if (annce != NULL && annce->text != NULL) {
2157 xs *an = xs_dict_new();
2158 xs *id = xs_fmt("%d", annce->timestamp);
2159 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2160
2161 an = xs_dict_set(an, "id", id);
2162 an = xs_dict_set(an, "content", ct);
2163 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2164 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2165 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2166 an = xs_dict_set(an, "published_at", val_date);
2167 an = xs_dict_set(an, "updated_at", val_date);
2168 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2169 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2170 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2171 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2172 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2173 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2174 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2175 resp = xs_list_append(resp, an);
2176 }
2177
2178 *body = xs_json_dumps(resp, 4);
2179 *ctype = "application/json";
2180 status = HTTP_STATUS_OK;
2181 }
2182 }
2183 else
2184 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2185 xs *emo = emojis();
2186 xs *list = xs_list_new();
2187 int c = 0;
2188 const xs_str *k;
2189 const xs_val *v;
2190 while(xs_dict_next(emo, &k, &v, &c)) {
2191 xs *current = xs_dict_new();
2192 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2193 /* remove first and last colon */
2194 xs *shortcode = xs_replace(k, ":", "");
2195 current = xs_dict_append(current, "shortcode", shortcode);
2196 current = xs_dict_append(current, "url", v);
2197 current = xs_dict_append(current, "static_url", v);
2198 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2199 list = xs_list_append(list, current);
2200 }
2201 }
2202 *body = xs_json_dumps(list, 0);
2203 *ctype = "application/json";
2204 status = HTTP_STATUS_OK;
2205 }
2206 else
2207 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2208 /* returns an instance object */
2209 xs *ins = xs_dict_new();
2210 const char *host = xs_dict_get(srv_config, "host");
2211 const char *title = xs_dict_get(srv_config, "title");
2212 const char *sdesc = xs_dict_get(srv_config, "short_description");
2213
2214 ins = xs_dict_append(ins, "uri", host);
2215 ins = xs_dict_append(ins, "domain", host);
2216 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2217 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2218 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2219 ins = xs_dict_append(ins, "description", host);
2220
2221 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2222
2223 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2224 ins = xs_dict_append(ins, "thumbnail", susie);
2225
2226 const char *v = xs_dict_get(srv_config, "admin_email");
2227 if (xs_is_null(v) || *v == '\0')
2228 v = "admin@localhost";
2229
2230 ins = xs_dict_append(ins, "email", v);
2231
2232 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2233
2234 xs *l1 = xs_list_append(xs_list_new(), "en");
2235 ins = xs_dict_append(ins, "languages", l1);
2236
2237 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2238 xs *urls = xs_dict_new();
2239 urls = xs_dict_append(urls, "streaming_api", wss);
2240
2241 ins = xs_dict_append(ins, "urls", urls);
2242
2243 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2244 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2245 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2246 ins = xs_dict_append(ins, "stats", d2);
2247
2248 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2249 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2250 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2251
2252 xs *cfg = xs_dict_new();
2253
2254 {
2255 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2256 "\"max_characters\":100000,\"max_media_attachments\":4}");
2257
2258 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2259 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2260 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2261
2262 cfg = xs_dict_append(cfg, "statuses", d11);
2263
2264 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2265 cfg = xs_dict_append(cfg, "accounts", d12);
2266
2267 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2268 "\"image_size_limit\":16777216,"
2269 "\"video_frame_rate_limit\":120,"
2270 "\"video_matrix_limit\":8294400,"
2271 "\"video_size_limit\":103809024}"
2272 );
2273
2274 {
2275 /* get the supported mime types from the internal list */
2276 const char **p = xs_mime_types;
2277 xs_set mtypes;
2278 xs_set_init(&mtypes);
2279
2280 while (*p) {
2281 const char *type = p[1];
2282
2283 if (xs_startswith(type, "image/") ||
2284 xs_startswith(type, "video/") ||
2285 xs_startswith(type, "audio/"))
2286 xs_set_add(&mtypes, type);
2287
2288 p += 2;
2289 }
2290
2291 xs *l = xs_set_result(&mtypes);
2292 d13 = xs_dict_append(d13, "supported_mime_types", l);
2293 }
2294
2295 cfg = xs_dict_append(cfg, "media_attachments", d13);
2296
2297 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2298 "\"max_expiration\":2629746,"
2299 "\"max_options\":8,\"min_expiration\":300}");
2300 cfg = xs_dict_append(cfg, "polls", d14);
2301 }
2302
2303 ins = xs_dict_append(ins, "configuration", cfg);
2304
2305 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2306
2307 if (!xs_is_null(admin_account) && *admin_account) {
2308 snac admin;
2309
2310 if (user_open(&admin, admin_account)) {
2311 xs *actor = msg_actor(&admin);
2312 xs *acct = mastoapi_account(NULL, actor);
2313
2314 ins = xs_dict_append(ins, "contact_account", acct);
2315
2316 user_free(&admin);
2317 }
2318 }
2319
2320 *body = xs_json_dumps(ins, 4);
2321 *ctype = "application/json";
2322 status = HTTP_STATUS_OK;
2323 }
2324 else
2325 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2326 /* get the collected inbox list as the instances "this domain is aware of" */
2327 xs *list = inbox_list();
2328 xs *peers = xs_list_new();
2329 const char *inbox;
2330
2331 xs_list_foreach(list, inbox) {
2332 xs *l = xs_split(inbox, "/");
2333 const char *domain = xs_list_get(l, 2);
2334
2335 if (xs_is_string(domain))
2336 peers = xs_list_append(peers, domain);
2337 }
2338
2339 *body = xs_json_dumps(peers, 4);
2340 *ctype = "application/json";
2341 status = HTTP_STATUS_OK;
2342 }
2343 else
2344 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2345 xs *d = xs_dict_new();
2346 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2347 time_t t = mtime(greeting);
2348 xs *updated_at = xs_str_iso_date(t);
2349 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2350
2351 d = xs_dict_set(d, "updated_at", updated_at);
2352 d = xs_dict_set(d, "content", content);
2353
2354 *body = xs_json_dumps(d, 4);
2355 *ctype = "application/json";
2356 status = HTTP_STATUS_OK;
2357 }
2358 else
2359 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2360 /* information about a status */
2361 if (logged_in) {
2362 xs *l = xs_split(cmd, "/");
2363 const char *oid = xs_list_get(l, 3);
2364 const char *op = xs_list_get(l, 4);
2365
2366 if (!xs_is_null(oid)) {
2367 xs *msg = NULL;
2368 xs *out = NULL;
2369
2370 /* skip the 'fake' part of the id */
2371 oid = MID_TO_MD5(oid);
2372
2373 xs *id = xs_tolower_i(xs_dup(oid));
2374
2375 if (valid_status(object_get_by_md5(id, &msg))) {
2376 if (op == NULL) {
2377 if (!is_muted(&snac1, get_atto(msg))) {
2378 /* return the status itself */
2379 out = mastoapi_status(&snac1, msg);
2380 }
2381 }
2382 else
2383 if (strcmp(op, "context") == 0) { /** **/
2384 /* return ancestors and children */
2385 xs *anc = xs_list_new();
2386 xs *des = xs_list_new();
2387 xs_list *p;
2388 const xs_str *v;
2389 char pid[MD5_HEX_SIZE];
2390
2391 /* build the [grand]parent list, moving up */
2392 strncpy(pid, id, sizeof(pid));
2393
2394 while (object_parent(pid, pid)) {
2395 xs *m2 = NULL;
2396
2397 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2398 xs *st = mastoapi_status(&snac1, m2);
2399
2400 if (st)
2401 anc = xs_list_insert(anc, 0, st);
2402 }
2403 else
2404 break;
2405 }
2406
2407 /* build the children list */
2408 xs *children = object_children(xs_dict_get(msg, "id"));
2409 p = children;
2410
2411 while (xs_list_iter(&p, &v)) {
2412 xs *m2 = NULL;
2413
2414 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2415 if (xs_is_null(xs_dict_get(m2, "name"))) {
2416 xs *st = mastoapi_status(&snac1, m2);
2417
2418 if (st)
2419 des = xs_list_append(des, st);
2420 }
2421 }
2422 }
2423
2424 out = xs_dict_new();
2425 out = xs_dict_append(out, "ancestors", anc);
2426 out = xs_dict_append(out, "descendants", des);
2427 }
2428 else
2429 if (strcmp(op, "reblogged_by") == 0 || /** **/
2430 strcmp(op, "favourited_by") == 0) { /** **/
2431 /* return the list of people who liked or boosted this */
2432 out = xs_list_new();
2433
2434 xs *l = NULL;
2435
2436 if (op[0] == 'r')
2437 l = object_announces(xs_dict_get(msg, "id"));
2438 else
2439 l = object_likes(xs_dict_get(msg, "id"));
2440
2441 xs_list *p = l;
2442 const xs_str *v;
2443
2444 while (xs_list_iter(&p, &v)) {
2445 xs *actor2 = NULL;
2446
2447 if (valid_status(object_get_by_md5(v, &actor2))) {
2448 xs *acct2 = mastoapi_account(&snac1, actor2);
2449
2450 out = xs_list_append(out, acct2);
2451 }
2452 }
2453 }
2454 else
2455 if (strcmp(op, "source") == 0) { /** **/
2456 out = xs_dict_new();
2457
2458 /* get the mastoapi status id */
2459 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2460
2461 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2462 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2463 }
2464 }
2465 else
2466 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2467
2468 if (out != NULL) {
2469 *body = xs_json_dumps(out, 4);
2470 *ctype = "application/json";
2471 status = HTTP_STATUS_OK;
2472 }
2473 }
2474 }
2475 else
2476 status = HTTP_STATUS_UNAUTHORIZED;
2477 }
2478 else
2479 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2480 *body = xs_dup("{}");
2481 *ctype = "application/json";
2482 status = HTTP_STATUS_OK;
2483 }
2484 else
2485 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2486 if (logged_in) {
2487 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2488 xs_str *json = NULL;
2489 if (!xs_is_null(timeline))
2490 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2491
2492 if (!xs_is_null(json))
2493 *body = json;
2494 else
2495 *body = xs_dup("{}");
2496
2497 *ctype = "application/json";
2498 status = HTTP_STATUS_OK;
2499 }
2500 else
2501 status = HTTP_STATUS_UNAUTHORIZED;
2502 }
2503 else
2504 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2505 if (logged_in) {
2506 xs *r = xs_list_new();
2507 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2508 "followed_hashtags", xs_stock(XSTYPE_LIST));
2509 const char *hashtag;
2510
2511 xs_list_foreach(followed_hashtags, hashtag) {
2512 if (*hashtag == '#') {
2513 xs *d = xs_dict_new();
2514 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2515
2516 d = xs_dict_set(d, "name", hashtag + 1);
2517 d = xs_dict_set(d, "url", s);
2518 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2519
2520 r = xs_list_append(r, d);
2521 }
2522 }
2523
2524 *body = xs_json_dumps(r, 4);
2525 *ctype = "application/json";
2526 status = HTTP_STATUS_OK;
2527 }
2528 else
2529 status = HTTP_STATUS_UNAUTHORIZED;
2530 }
2531 else
2532 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
2533 *body = xs_dup("[]");
2534 *ctype = "application/json";
2535 status = HTTP_STATUS_OK;
2536 }
2537 else
2538 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
2539 *body = xs_dup("[]");
2540 *ctype = "application/json";
2541 status = HTTP_STATUS_OK;
2542 }
2543 else
2544 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2545 *body = xs_dup("[]");
2546 *ctype = "application/json";
2547 status = HTTP_STATUS_OK;
2548 }
2549 else
2550 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2551 *body = xs_dup("[]");
2552 *ctype = "application/json";
2553 status = HTTP_STATUS_OK;
2554 }
2555 else
2556 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2557 if (logged_in) {
2558 const char *q = xs_dict_get(args, "q");
2559 const char *type = xs_dict_get(args, "type");
2560 const char *offset = xs_dict_get(args, "offset");
2561
2562 xs *acl = xs_list_new();
2563 xs *stl = xs_list_new();
2564 xs *htl = xs_list_new();
2565 xs *res = xs_dict_new();
2566
2567 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
2568 /* reply something only for offset 0; otherwise,
2569 apps like Tusky keep asking again and again */
2570 if (xs_startswith(q, "https://")) {
2571 if (!timeline_here(&snac1, q)) {
2572 xs *object = NULL;
2573 int status;
2574
2575 status = activitypub_request(&snac1, q, &object);
2576 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
2577
2578 if (valid_status(status)) {
2579 /* got it; also request the actor */
2580 const char *attr_to = get_atto(object);
2581 xs *actor_obj = NULL;
2582
2583 if (!xs_is_null(attr_to)) {
2584 status = actor_request(&snac1, attr_to, &actor_obj);
2585
2586 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
2587
2588 if (valid_status(status)) {
2589 /* add the actor */
2590 actor_add(attr_to, actor_obj);
2591
2592 /* add the post to the timeline */
2593 timeline_add(&snac1, q, object);
2594 }
2595 }
2596 }
2597 }
2598 }
2599
2600 if (!xs_is_null(q)) {
2601 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
2602 /* do a webfinger query */
2603 char *actor = NULL;
2604 char *user = NULL;
2605
2606 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
2607 xs *actor_o = NULL;
2608
2609 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
2610 xs *acct = mastoapi_account(NULL, actor_o);
2611
2612 acl = xs_list_append(acl, acct);
2613
2614 if (!object_here(actor))
2615 object_add(actor, actor_o);
2616 }
2617 }
2618 }
2619
2620 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
2621 /* search this tag */
2622 xs *tl = tag_search((char *)q, 0, 1);
2623
2624 if (xs_list_len(tl)) {
2625 xs *d = xs_dict_new();
2626
2627 d = xs_dict_append(d, "name", q);
2628 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
2629 d = xs_dict_append(d, "url", url);
2630 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
2631
2632 htl = xs_list_append(htl, d);
2633 }
2634 }
2635
2636 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
2637 int to = 0;
2638 int cnt = 40;
2639 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
2640 int c = 0;
2641 const char *v;
2642
2643 while (xs_list_next(tl, &v, &c) && --cnt) {
2644 xs *post = NULL;
2645
2646 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
2647 continue;
2648
2649 xs *s = mastoapi_status(&snac1, post);
2650
2651 if (!xs_is_null(s))
2652 stl = xs_list_append(stl, s);
2653 }
2654 }
2655 }
2656 }
2657
2658 res = xs_dict_append(res, "accounts", acl);
2659 res = xs_dict_append(res, "statuses", stl);
2660 res = xs_dict_append(res, "hashtags", htl);
2661
2662 *body = xs_json_dumps(res, 4);
2663 *ctype = "application/json";
2664 status = HTTP_STATUS_OK;
2665 }
2666 else
2667 status = HTTP_STATUS_UNAUTHORIZED;
2668 }
2669
2670 /* user cleanup */
2671 if (logged_in)
2672 user_free(&snac1);
2673
2674 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
2675
2676 return status;
2677}
2678
2679
2680int mastoapi_post_handler(const xs_dict *req, const char *q_path,
2681 const char *payload, int p_size,
2682 char **body, int *b_size, char **ctype)
2683{
2684 (void)p_size;
2685 (void)b_size;
2686
2687 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
2688 return 0;
2689
2690 int status = HTTP_STATUS_NOT_FOUND;
2691 xs *args = NULL;
2692 const char *i_ctype = xs_dict_get(req, "content-type");
2693
2694 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
2695 if (!xs_is_null(payload))
2696 args = xs_json_loads(payload);
2697 }
2698 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
2699 {
2700 // Some apps send form data instead of json so we should cater for those
2701 if (!xs_is_null(payload)) {
2702 args = xs_url_vars(payload);
2703 }
2704 }
2705 else
2706 args = xs_dup(xs_dict_get(req, "p_vars"));
2707
2708 if (args == NULL)
2709 return HTTP_STATUS_BAD_REQUEST;
2710
2711 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
2712
2713 snac snac = {0};
2714 int logged_in = process_auth_token(&snac, req);
2715
2716 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
2717 const char *name = xs_dict_get(args, "client_name");
2718 const char *ruri = xs_dict_get(args, "redirect_uris");
2719 const char *scope = xs_dict_get(args, "scope");
2720
2721 /* Ice Cubes sends these values as query parameters, so try these */
2722 if (name == NULL && ruri == NULL && scope == NULL) {
2723 args = xs_dup(xs_dict_get(req, "q_vars"));
2724 name = xs_dict_get(args, "client_name");
2725 ruri = xs_dict_get(args, "redirect_uris");
2726 scope = xs_dict_get(args, "scope");
2727 }
2728
2729 if (xs_type(ruri) == XSTYPE_LIST)
2730 ruri = xs_dict_get(ruri, 0);
2731
2732 if (name && ruri) {
2733 xs *app = xs_dict_new();
2734 xs *id = xs_replace_i(tid(0), ".", "");
2735 xs *csec = random_str();
2736 xs *vkey = random_str();
2737 xs *cid = NULL;
2738
2739 /* pick a non-existent random cid */
2740 for (;;) {
2741 cid = random_str();
2742 xs *p_app = app_get(cid);
2743
2744 if (p_app == NULL)
2745 break;
2746
2747 xs_free(cid);
2748 }
2749
2750 app = xs_dict_append(app, "name", name);
2751 app = xs_dict_append(app, "redirect_uri", ruri);
2752 app = xs_dict_append(app, "client_id", cid);
2753 app = xs_dict_append(app, "client_secret", csec);
2754 app = xs_dict_append(app, "vapid_key", vkey);
2755 app = xs_dict_append(app, "id", id);
2756
2757 *body = xs_json_dumps(app, 4);
2758 *ctype = "application/json";
2759 status = HTTP_STATUS_OK;
2760
2761 app = xs_dict_append(app, "code", "");
2762
2763 if (scope)
2764 app = xs_dict_append(app, "scope", scope);
2765
2766 app_add(cid, app);
2767
2768 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
2769 }
2770 }
2771 else
2772 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
2773 if (logged_in) {
2774 /* post a new Note */
2775 const char *content = xs_dict_get(args, "status");
2776 const char *mid = xs_dict_get(args, "in_reply_to_id");
2777 const char *visibility = xs_dict_get(args, "visibility");
2778 const char *summary = xs_dict_get(args, "spoiler_text");
2779 const char *media_ids = xs_dict_get(args, "media_ids");
2780 const char *language = xs_dict_get(args, "language");
2781
2782 if (xs_is_null(media_ids))
2783 media_ids = xs_dict_get(args, "media_ids[]");
2784
2785 if (xs_is_null(media_ids))
2786 media_ids = xs_dict_get(args, "media_ids");
2787
2788 if (xs_is_null(visibility))
2789 visibility = "public";
2790
2791 xs *attach_list = xs_list_new();
2792 xs *irt = NULL;
2793
2794 /* is it a reply? */
2795 if (mid != NULL) {
2796 xs *r_msg = NULL;
2797 const char *md5 = MID_TO_MD5(mid);
2798
2799 if (valid_status(object_get_by_md5(md5, &r_msg)))
2800 irt = xs_dup(xs_dict_get(r_msg, "id"));
2801 }
2802
2803 /* does it have attachments? */
2804 if (!xs_is_null(media_ids)) {
2805 xs *mi = NULL;
2806
2807 if (xs_type(media_ids) == XSTYPE_LIST)
2808 mi = xs_dup(media_ids);
2809 else {
2810 mi = xs_list_new();
2811 mi = xs_list_append(mi, media_ids);
2812 }
2813
2814 xs_list *p = mi;
2815 const xs_str *v;
2816
2817 while (xs_list_iter(&p, &v)) {
2818 xs *l = xs_list_new();
2819 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
2820 xs *desc = static_get_meta(&snac, v);
2821
2822 l = xs_list_append(l, url);
2823 l = xs_list_append(l, desc);
2824
2825 attach_list = xs_list_append(attach_list, l);
2826 }
2827 }
2828
2829 /* prepare the message */
2830 int scope = 1;
2831 if (strcmp(visibility, "unlisted") == 0)
2832 scope = 2;
2833 else
2834 if (strcmp(visibility, "public") == 0)
2835 scope = 0;
2836
2837 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
2838
2839 if (!xs_is_null(summary) && *summary) {
2840 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
2841 msg = xs_dict_set(msg, "summary", summary);
2842 }
2843
2844 /* scheduled? */
2845 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
2846
2847 if (xs_is_string(scheduled_at) && *scheduled_at) {
2848 msg = xs_dict_set(msg, "published", scheduled_at);
2849
2850 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
2851 }
2852 else {
2853 /* store */
2854 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
2855
2856 /* 'Create' message */
2857 xs *c_msg = msg_create(&snac, msg);
2858 enqueue_message(&snac, c_msg);
2859
2860 timeline_touch(&snac);
2861 }
2862
2863 /* convert to a mastodon status as a response code */
2864 xs *st = mastoapi_status(&snac, msg);
2865
2866 *body = xs_json_dumps(st, 4);
2867 *ctype = "application/json";
2868 status = HTTP_STATUS_OK;
2869 }
2870 else
2871 status = HTTP_STATUS_UNAUTHORIZED;
2872 }
2873 else
2874 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
2875 if (logged_in) {
2876 /* operations on a status */
2877 xs *l = xs_split(cmd, "/");
2878 const char *mid = xs_list_get(l, 3);
2879 const char *op = xs_list_get(l, 4);
2880
2881 if (!xs_is_null(mid)) {
2882 xs *msg = NULL;
2883 xs *out = NULL;
2884
2885 /* skip the 'fake' part of the id */
2886 mid = MID_TO_MD5(mid);
2887
2888 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
2889 const char *id = xs_dict_get(msg, "id");
2890
2891 if (op == NULL) {
2892 /* no operation (?) */
2893 }
2894 else
2895 if (strcmp(op, "favourite") == 0) { /** **/
2896 xs *n_msg = msg_admiration(&snac, id, "Like");
2897
2898 if (n_msg != NULL) {
2899 enqueue_message(&snac, n_msg);
2900 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1);
2901
2902 out = mastoapi_status(&snac, msg);
2903 }
2904 }
2905 else
2906 if (strcmp(op, "unfavourite") == 0) { /** **/
2907 xs *n_msg = msg_repulsion(&snac, id, "Like");
2908
2909 if (n_msg != NULL) {
2910 enqueue_message(&snac, n_msg);
2911
2912 out = mastoapi_status(&snac, msg);
2913 }
2914 }
2915 else
2916 if (strcmp(op, "reblog") == 0) { /** **/
2917 xs *n_msg = msg_admiration(&snac, id, "Announce");
2918
2919 if (n_msg != NULL) {
2920 enqueue_message(&snac, n_msg);
2921 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0);
2922
2923 out = mastoapi_status(&snac, msg);
2924 }
2925 }
2926 else
2927 if (strcmp(op, "unreblog") == 0) { /** **/
2928 xs *n_msg = msg_repulsion(&snac, id, "Announce");
2929
2930 if (n_msg != NULL) {
2931 enqueue_message(&snac, n_msg);
2932
2933 out = mastoapi_status(&snac, msg);
2934 }
2935 }
2936 else
2937 if (strcmp(op, "bookmark") == 0) { /** **/
2938 /* bookmark this message */
2939 if (bookmark(&snac, id) == 0)
2940 out = mastoapi_status(&snac, msg);
2941 else
2942 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2943 }
2944 else
2945 if (strcmp(op, "unbookmark") == 0) { /** **/
2946 /* unbookmark this message */
2947 unbookmark(&snac, id);
2948 out = mastoapi_status(&snac, msg);
2949 }
2950 else
2951 if (strcmp(op, "pin") == 0) { /** **/
2952 /* pin this message */
2953 if (pin(&snac, id) == 0)
2954 out = mastoapi_status(&snac, msg);
2955 else
2956 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2957 }
2958 else
2959 if (strcmp(op, "unpin") == 0) { /** **/
2960 /* unpin this message */
2961 unpin(&snac, id);
2962 out = mastoapi_status(&snac, msg);
2963 }
2964 else
2965 if (strcmp(op, "mute") == 0) { /** **/
2966 /* Mastodon's mute is snac's hide */
2967 }
2968 else
2969 if (strcmp(op, "unmute") == 0) { /** **/
2970 /* Mastodon's unmute is snac's unhide */
2971 }
2972 }
2973
2974 if (out != NULL) {
2975 *body = xs_json_dumps(out, 4);
2976 *ctype = "application/json";
2977 status = HTTP_STATUS_OK;
2978 }
2979 }
2980 }
2981 else
2982 status = HTTP_STATUS_UNAUTHORIZED;
2983 }
2984 else
2985 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
2986 if (logged_in) {
2987 notify_clear(&snac);
2988 timeline_touch(&snac);
2989
2990 *body = xs_dup("{}");
2991 *ctype = "application/json";
2992 status = HTTP_STATUS_OK;
2993 }
2994 else
2995 status = HTTP_STATUS_UNAUTHORIZED;
2996 }
2997 else
2998 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
2999 /* I don't know what I'm doing */
3000 if (logged_in) {
3001 const char *v;
3002
3003 xs *wpush = xs_dict_new();
3004
3005 wpush = xs_dict_append(wpush, "id", "1");
3006
3007 v = xs_dict_get(args, "data");
3008 v = xs_dict_get(v, "alerts");
3009 wpush = xs_dict_append(wpush, "alerts", v);
3010
3011 v = xs_dict_get(args, "subscription");
3012 v = xs_dict_get(v, "endpoint");
3013 wpush = xs_dict_append(wpush, "endpoint", v);
3014
3015 xs *server_key = random_str();
3016 wpush = xs_dict_append(wpush, "server_key", server_key);
3017
3018 *body = xs_json_dumps(wpush, 4);
3019 *ctype = "application/json";
3020 status = HTTP_STATUS_OK;
3021 }
3022 else
3023 status = HTTP_STATUS_UNAUTHORIZED;
3024 }
3025 else
3026 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3027 if (logged_in) {
3028 const xs_list *file = xs_dict_get(args, "file");
3029 const char *desc = xs_dict_get(args, "description");
3030
3031 if (xs_is_null(desc))
3032 desc = "";
3033
3034 status = HTTP_STATUS_BAD_REQUEST;
3035
3036 if (xs_type(file) == XSTYPE_LIST) {
3037 const char *fn = xs_list_get(file, 0);
3038
3039 if (*fn != '\0') {
3040 char *ext = strrchr(fn, '.');
3041 char rnd[32];
3042 xs_rnd_buf(rnd, sizeof(rnd));
3043 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3044 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3045 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3046 int fo = xs_number_get(xs_list_get(file, 1));
3047 int fs = xs_number_get(xs_list_get(file, 2));
3048
3049 /* store */
3050 static_put(&snac, id, payload + fo, fs);
3051 static_put_meta(&snac, id, desc);
3052
3053 /* prepare a response */
3054 xs *rsp = xs_dict_new();
3055
3056 rsp = xs_dict_append(rsp, "id", id);
3057 rsp = xs_dict_append(rsp, "type", "image");
3058 rsp = xs_dict_append(rsp, "url", url);
3059 rsp = xs_dict_append(rsp, "preview_url", url);
3060 rsp = xs_dict_append(rsp, "remote_url", url);
3061 rsp = xs_dict_append(rsp, "description", desc);
3062
3063 *body = xs_json_dumps(rsp, 4);
3064 *ctype = "application/json";
3065 status = HTTP_STATUS_OK;
3066 }
3067 }
3068 }
3069 else
3070 status = HTTP_STATUS_UNAUTHORIZED;
3071 }
3072 else
3073 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3074 if (logged_in) {
3075 /* account-related information */
3076 xs *l = xs_split(cmd, "/");
3077 const char *md5 = xs_list_get(l, 3);
3078 const char *opt = xs_list_get(l, 4);
3079 xs *rsp = NULL;
3080
3081 if (!xs_is_null(md5) && *md5) {
3082 xs *actor_o = NULL;
3083
3084 if (xs_is_null(opt)) {
3085 /* ? */
3086 }
3087 else
3088 if (strcmp(opt, "follow") == 0) { /** **/
3089 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3090 const char *actor = xs_dict_get(actor_o, "id");
3091
3092 xs *msg = msg_follow(&snac, actor);
3093
3094 if (msg != NULL) {
3095 /* reload the actor from the message, in may be different */
3096 actor = xs_dict_get(msg, "object");
3097
3098 following_add(&snac, actor, msg);
3099
3100 enqueue_output_by_actor(&snac, msg, actor, 0);
3101
3102 rsp = mastoapi_relationship(&snac, md5);
3103 }
3104 }
3105 }
3106 else
3107 if (strcmp(opt, "unfollow") == 0) { /** **/
3108 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3109 const char *actor = xs_dict_get(actor_o, "id");
3110
3111 /* get the following object */
3112 xs *object = NULL;
3113
3114 if (valid_status(following_get(&snac, actor, &object))) {
3115 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3116
3117 following_del(&snac, actor);
3118
3119 enqueue_output_by_actor(&snac, msg, actor, 0);
3120
3121 rsp = mastoapi_relationship(&snac, md5);
3122 }
3123 }
3124 }
3125 else
3126 if (strcmp(opt, "block") == 0) { /** **/
3127 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3128 const char *actor = xs_dict_get(actor_o, "id");
3129
3130 mute(&snac, actor);
3131
3132 rsp = mastoapi_relationship(&snac, md5);
3133 }
3134 }
3135 else
3136 if (strcmp(opt, "unblock") == 0) { /** **/
3137 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3138 const char *actor = xs_dict_get(actor_o, "id");
3139
3140 unmute(&snac, actor);
3141
3142 rsp = mastoapi_relationship(&snac, md5);
3143 }
3144 }
3145 }
3146
3147 if (rsp != NULL) {
3148 *body = xs_json_dumps(rsp, 4);
3149 *ctype = "application/json";
3150 status = HTTP_STATUS_OK;
3151 }
3152 }
3153 else
3154 status = HTTP_STATUS_UNAUTHORIZED;
3155 }
3156 else
3157 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3158 if (logged_in) {
3159 /* operations on a status */
3160 xs *l = xs_split(cmd, "/");
3161 const char *mid = xs_list_get(l, 3);
3162 const char *op = xs_list_get(l, 4);
3163
3164 if (!xs_is_null(mid)) {
3165 xs *msg = NULL;
3166 xs *out = NULL;
3167
3168 /* skip the 'fake' part of the id */
3169 mid = MID_TO_MD5(mid);
3170
3171 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3172 const char *id = xs_dict_get(msg, "id");
3173 const char *atto = get_atto(msg);
3174
3175 const xs_list *opts = xs_dict_get(msg, "oneOf");
3176 if (opts == NULL)
3177 opts = xs_dict_get(msg, "anyOf");
3178
3179 if (op == NULL) {
3180 }
3181 else
3182 if (strcmp(op, "votes") == 0) {
3183 const xs_list *choices = xs_dict_get(args, "choices[]");
3184
3185 if (xs_is_null(choices))
3186 choices = xs_dict_get(args, "choices");
3187
3188 if (xs_type(choices) == XSTYPE_LIST) {
3189 const xs_str *v;
3190
3191 int c = 0;
3192 while (xs_list_next(choices, &v, &c)) {
3193 int io = atoi(v);
3194 const xs_dict *o = xs_list_get(opts, io);
3195
3196 if (o) {
3197 const char *name = xs_dict_get(o, "name");
3198
3199 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3200 msg = xs_dict_append(msg, "name", name);
3201
3202 xs *c_msg = msg_create(&snac, msg);
3203 enqueue_message(&snac, c_msg);
3204 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3205 }
3206 }
3207
3208 out = mastoapi_poll(&snac, msg);
3209 }
3210 }
3211 }
3212
3213 if (out != NULL) {
3214 *body = xs_json_dumps(out, 4);
3215 *ctype = "application/json";
3216 status = HTTP_STATUS_OK;
3217 }
3218 }
3219 }
3220 else
3221 status = HTTP_STATUS_UNAUTHORIZED;
3222 }
3223 else
3224 if (strcmp(cmd, "/v1/lists") == 0) {
3225 if (logged_in) {
3226 const char *title = xs_dict_get(args, "title");
3227
3228 if (xs_type(title) == XSTYPE_STRING) {
3229 /* add the list */
3230 xs *out = xs_dict_new();
3231 xs *lid = list_maint(&snac, title, 1);
3232
3233 if (!xs_is_null(lid)) {
3234 out = xs_dict_append(out, "id", lid);
3235 out = xs_dict_append(out, "title", title);
3236 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3237 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3238
3239 status = HTTP_STATUS_OK;
3240 }
3241 else {
3242 out = xs_dict_append(out, "error", "cannot create list");
3243 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3244 }
3245
3246 *body = xs_json_dumps(out, 4);
3247 *ctype = "application/json";
3248 }
3249 else
3250 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3251 }
3252 }
3253 else
3254 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3255 if (logged_in) {
3256 xs *l = xs_split(cmd, "/");
3257 const char *op = xs_list_get(l, -1);
3258 const char *id = xs_list_get(l, -2);
3259
3260 if (op && id && xs_is_hex(id)) {
3261 if (strcmp(op, "accounts") == 0) {
3262 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3263
3264 if (xs_is_null(accts))
3265 accts = xs_dict_get(args, "account_ids");
3266
3267 int c = 0;
3268 const char *v;
3269
3270 while (xs_list_next(accts, &v, &c)) {
3271 list_content(&snac, id, v, 1);
3272 }
3273
3274 xs *out = xs_dict_new();
3275 *body = xs_json_dumps(out, 4);
3276 *ctype = "application/json";
3277 status = HTTP_STATUS_OK;
3278 }
3279 }
3280 }
3281 }
3282 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3283 xs_str *json = NULL;
3284 if (logged_in) {
3285 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3286 if (xs_is_null(home_marker)) {
3287 const xs_dict *home = xs_dict_get(args, "home");
3288 if (!xs_is_null(home))
3289 home_marker = xs_dict_get(home, "last_read_id");
3290 }
3291
3292 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3293 if (xs_is_null(notify_marker)) {
3294 const xs_dict *notify = xs_dict_get(args, "notifications");
3295 if (!xs_is_null(notify))
3296 notify_marker = xs_dict_get(notify, "last_read_id");
3297 }
3298 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3299 }
3300 if (!xs_is_null(json))
3301 *body = json;
3302 else
3303 *body = xs_dup("{}");
3304
3305 *ctype = "application/json";
3306 status = HTTP_STATUS_OK;
3307 }
3308 else
3309 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3310 if (logged_in) {
3311 /* "authorize" or "reject" */
3312 xs *rel = NULL;
3313 xs *l = xs_split(cmd, "/");
3314 const char *md5 = xs_list_get(l, -2);
3315 const char *s_cmd = xs_list_get(l, -1);
3316
3317 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3318 xs *actor = NULL;
3319
3320 if (valid_status(object_get_by_md5(md5, &actor))) {
3321 const char *actor_id = xs_dict_get(actor, "id");
3322
3323 if (strcmp(s_cmd, "authorize") == 0) {
3324 xs *fwreq = pending_get(&snac, actor_id);
3325
3326 if (fwreq != NULL) {
3327 xs *reply = msg_accept(&snac, fwreq, actor_id);
3328
3329 enqueue_message(&snac, reply);
3330
3331 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3332 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3333 fwreq = xs_dict_set(fwreq, "published", date);
3334 }
3335
3336 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3337
3338 follower_add(&snac, actor_id);
3339
3340 pending_del(&snac, actor_id);
3341 rel = mastoapi_relationship(&snac, md5);
3342 }
3343 }
3344 else
3345 if (strcmp(s_cmd, "reject") == 0) {
3346 pending_del(&snac, actor_id);
3347 rel = mastoapi_relationship(&snac, md5);
3348 }
3349 }
3350 }
3351
3352 if (rel != NULL) {
3353 *body = xs_json_dumps(rel, 4);
3354 *ctype = "application/json";
3355 status = HTTP_STATUS_OK;
3356 }
3357 }
3358 }
3359 else
3360 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3361 if (logged_in) {
3362 xs *l = xs_split(cmd, "/");
3363 const char *i_tag = xs_list_get(l, 3);
3364 const char *cmd = xs_list_get(l, 4);
3365
3366 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3367
3368 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3369 int ok = 0;
3370
3371 xs *tag = xs_fmt("#%s", i_tag);
3372 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3373 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3374
3375 if (strcmp(cmd, "follow") == 0) {
3376 followed_hashtags = xs_list_append(followed_hashtags, tag);
3377 ok = 1;
3378 }
3379 else
3380 if (strcmp(cmd, "unfollow") == 0) {
3381 int off = xs_list_in(followed_hashtags, tag);
3382
3383 if (off != -1)
3384 followed_hashtags = xs_list_del(followed_hashtags, off);
3385
3386 ok = 1;
3387 }
3388
3389 if (ok) {
3390 /* update */
3391 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3392 user_persist(&snac, 0);
3393
3394 xs *d = xs_dict_new();
3395 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3396 d = xs_dict_set(d, "name", i_tag);
3397 d = xs_dict_set(d, "url", s);
3398 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3399
3400 *body = xs_json_dumps(d, 4);
3401 *ctype = "application/json";
3402 status = HTTP_STATUS_OK;
3403 }
3404 }
3405 }
3406 }
3407 else
3408 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3409
3410 /* user cleanup */
3411 if (logged_in)
3412 user_free(&snac);
3413
3414 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3415
3416 return status;
3417}
3418
3419
3420int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3421 const char *payload, int p_size,
3422 char **body, int *b_size, char **ctype)
3423{
3424 (void)p_size;
3425 (void)body;
3426 (void)b_size;
3427 (void)ctype;
3428
3429 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3430 return 0;
3431
3432 int status = HTTP_STATUS_NOT_FOUND;
3433 xs *args = NULL;
3434 const char *i_ctype = xs_dict_get(req, "content-type");
3435
3436 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3437 if (!xs_is_null(payload))
3438 args = xs_json_loads(payload);
3439 }
3440 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3441 {
3442 // Some apps send form data instead of json so we should cater for those
3443 if (!xs_is_null(payload)) {
3444 args = xs_url_vars(payload);
3445 }
3446 }
3447 else
3448 args = xs_dup(xs_dict_get(req, "p_vars"));
3449
3450 if (args == NULL)
3451 return HTTP_STATUS_BAD_REQUEST;
3452
3453 snac snac = {0};
3454 int logged_in = process_auth_token(&snac, req);
3455
3456 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3457
3458 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3459 // pretend we deleted it, since it doesn't exist anyway
3460 status = HTTP_STATUS_OK;
3461 }
3462 else
3463 if (xs_startswith(cmd, "/v1/lists/")) {
3464 if (logged_in) {
3465 xs *l = xs_split(cmd, "/");
3466 const char *p = xs_list_get(l, -1);
3467
3468 if (p) {
3469 if (strcmp(p, "accounts") == 0) {
3470 /* delete account from list */
3471 p = xs_list_get(l, -2);
3472 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3473
3474 if (xs_is_null(accts))
3475 accts = xs_dict_get(args, "account_ids");
3476
3477 int c = 0;
3478 const char *v;
3479
3480 while (xs_list_next(accts, &v, &c)) {
3481 list_content(&snac, p, v, 2);
3482 }
3483 }
3484 else {
3485 /* delete list */
3486 if (xs_is_hex(p)) {
3487 list_maint(&snac, p, 2);
3488 }
3489 }
3490 }
3491
3492 *ctype = "application/json";
3493 status = HTTP_STATUS_OK;
3494 }
3495 else
3496 status = HTTP_STATUS_UNAUTHORIZED;
3497 }
3498
3499 /* user cleanup */
3500 if (logged_in)
3501 user_free(&snac);
3502
3503 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
3504
3505 return status;
3506}
3507
3508
3509int mastoapi_put_handler(const xs_dict *req, const char *q_path,
3510 const char *payload, int p_size,
3511 char **body, int *b_size, char **ctype)
3512{
3513 (void)p_size;
3514 (void)b_size;
3515
3516 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3517 return 0;
3518
3519 int status = HTTP_STATUS_NOT_FOUND;
3520 xs *args = NULL;
3521 const char *i_ctype = xs_dict_get(req, "content-type");
3522
3523 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3524 if (!xs_is_null(payload))
3525 args = xs_json_loads(payload);
3526 }
3527 else
3528 args = xs_dup(xs_dict_get(req, "p_vars"));
3529
3530 if (args == NULL)
3531 return HTTP_STATUS_BAD_REQUEST;
3532
3533 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3534
3535 snac snac = {0};
3536 int logged_in = process_auth_token(&snac, req);
3537
3538 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
3539 if (logged_in) {
3540 xs *l = xs_split(cmd, "/");
3541 const char *stid = xs_list_get(l, 3);
3542
3543 if (!xs_is_null(stid)) {
3544 const char *desc = xs_dict_get(args, "description");
3545
3546 /* set the image metadata */
3547 static_put_meta(&snac, stid, desc);
3548
3549 /* prepare a response */
3550 xs *rsp = xs_dict_new();
3551 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
3552
3553 rsp = xs_dict_append(rsp, "id", stid);
3554 rsp = xs_dict_append(rsp, "type", "image");
3555 rsp = xs_dict_append(rsp, "url", url);
3556 rsp = xs_dict_append(rsp, "preview_url", url);
3557 rsp = xs_dict_append(rsp, "remote_url", url);
3558 rsp = xs_dict_append(rsp, "description", desc);
3559
3560 *body = xs_json_dumps(rsp, 4);
3561 *ctype = "application/json";
3562 status = HTTP_STATUS_OK;
3563 }
3564 }
3565 else
3566 status = HTTP_STATUS_UNAUTHORIZED;
3567 }
3568 else
3569 if (xs_startswith(cmd, "/v1/statuses")) {
3570 if (logged_in) {
3571 xs *l = xs_split(cmd, "/");
3572 const char *mid = xs_list_get(l, 3);
3573
3574 if (!xs_is_null(mid)) {
3575 const char *md5 = MID_TO_MD5(mid);
3576 xs *rsp = NULL;
3577 xs *msg = NULL;
3578
3579 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
3580 const char *content = xs_dict_get(args, "status");
3581 xs *atls = xs_list_new();
3582 xs *f_content = not_really_markdown(content, &atls, NULL);
3583
3584 /* replace fields with new content */
3585 msg = xs_dict_set(msg, "sourceContent", content);
3586 msg = xs_dict_set(msg, "content", f_content);
3587
3588 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
3589 msg = xs_dict_set(msg, "updated", updated);
3590
3591 /* overwrite object, not updating the indexes */
3592 object_add_ow(xs_dict_get(msg, "id"), msg);
3593
3594 /* update message */
3595 xs *c_msg = msg_update(&snac, msg);
3596
3597 enqueue_message(&snac, c_msg);
3598
3599 rsp = mastoapi_status(&snac, msg);
3600 }
3601
3602 if (rsp != NULL) {
3603 *body = xs_json_dumps(rsp, 4);
3604 *ctype = "application/json";
3605 status = HTTP_STATUS_OK;
3606 }
3607 }
3608 }
3609 else
3610 status = HTTP_STATUS_UNAUTHORIZED;
3611 }
3612
3613 /* user cleanup */
3614 if (logged_in)
3615 user_free(&snac);
3616
3617 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
3618
3619 return status;
3620}
3621
3622void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
3623/* Store header or avatar */
3624{
3625 if (data != NULL) {
3626 if (xs_type(data) == XSTYPE_LIST) {
3627 const char *fn = xs_list_get(data, 0);
3628
3629 if (fn && *fn) {
3630 const char *ext = strrchr(fn, '.');
3631
3632 /* Mona iOS sends always jpg as application/octet-stream with no filename */
3633 if (ext == NULL || strcmp(fn, key) == 0) {
3634 ext = ".jpg";
3635 }
3636
3637 /* Make sure we have a unique file name, otherwise updated images will not be
3638 * re-loaded by clients. */
3639 xs *rnd = random_str();
3640 xs *hash = xs_md5_hex(rnd, strlen(rnd));
3641 xs *id = xs_fmt("%s%s", hash, ext);
3642 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
3643 int fo = xs_number_get(xs_list_get(data, 1));
3644 int fs = xs_number_get(xs_list_get(data, 2));
3645
3646 /* store */
3647 static_put(snac, id, payload + fo, fs);
3648
3649 snac->config = xs_dict_set(snac->config, key, url);
3650 }
3651 }
3652 }
3653}
3654
3655int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
3656 const char *payload, int p_size,
3657 char **body, int *b_size, char **ctype)
3658/* Handle profile updates */
3659{
3660 (void)p_size;
3661 (void)b_size;
3662
3663 if (!xs_startswith(q_path, "/api/v1/"))
3664 return 0;
3665
3666 int status = HTTP_STATUS_NOT_FOUND;
3667 xs *args = NULL;
3668 const char *i_ctype = xs_dict_get(req, "content-type");
3669
3670 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3671 if (!xs_is_null(payload))
3672 args = xs_json_loads(payload);
3673 }
3674 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3675 {
3676 // Some apps send form data instead of json so we should cater for those
3677 if (!xs_is_null(payload)) {
3678 args = xs_url_vars(payload);
3679 }
3680 }
3681 else
3682 args = xs_dup(xs_dict_get(req, "p_vars"));
3683
3684 if (args == NULL)
3685 return HTTP_STATUS_BAD_REQUEST;
3686
3687 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3688
3689 snac snac = {0};
3690 int logged_in = process_auth_token(&snac, req);
3691
3692 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) {
3693 /* Update user profile fields */
3694 if (logged_in) {
3695 int c = 0;
3696 const xs_str *k;
3697 const xs_val *v;
3698 const xs_str *field_name = NULL;
3699 xs *new_fields = xs_dict_new();
3700 while (xs_dict_next(args, &k, &v, &c)) {
3701 if (strcmp(k, "display_name") == 0) {
3702 if (v != NULL)
3703 snac.config = xs_dict_set(snac.config, "name", v);
3704 }
3705 else
3706 if (strcmp(k, "note") == 0) {
3707 if (v != NULL)
3708 snac.config = xs_dict_set(snac.config, "bio", v);
3709 }
3710 else
3711 if (strcmp(k, "bot") == 0) {
3712 if (v != NULL)
3713 snac.config = xs_dict_set(snac.config, "bot",
3714 (strcmp(v, "true") == 0 ||
3715 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3716 }
3717 else
3718 if (strcmp(k, "source[sensitive]") == 0) {
3719 if (v != NULL)
3720 snac.config = xs_dict_set(snac.config, "cw",
3721 strcmp(v, "true") == 0 ? "open" : "");
3722 }
3723 else
3724 if (strcmp(k, "source[privacy]") == 0) {
3725 if (v != NULL)
3726 snac.config = xs_dict_set(snac.config, "private",
3727 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3728 }
3729 else
3730 if (strcmp(k, "header") == 0) {
3731 persist_image("header", v, payload, &snac);
3732 }
3733 else
3734 if (strcmp(k, "avatar") == 0) {
3735 persist_image("avatar", v, payload, &snac);
3736 }
3737 else
3738 if (xs_between("fields_attributes", k, "[name]")) {
3739 field_name = strcmp(v, "") != 0 ? v : NULL;
3740 }
3741 else
3742 if (xs_between("fields_attributes", k, "[value]")) {
3743 if (field_name != NULL) {
3744 new_fields = xs_dict_set(new_fields, field_name, v);
3745 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
3746 }
3747 }
3748 /* we don't have support for the following options, yet
3749 - discoverable (0/1)
3750 - locked (0/1)
3751 */
3752 }
3753
3754 /* Persist profile */
3755 if (user_persist(&snac, 1) == 0)
3756 credentials_get(body, ctype, &status, snac);
3757 else
3758 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
3759 }
3760 else
3761 status = HTTP_STATUS_UNAUTHORIZED;
3762 }
3763
3764 /* user cleanup */
3765 if (logged_in)
3766 user_free(&snac);
3767
3768 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
3769
3770 return status;
3771}
3772
3773
3774void mastoapi_purge(void)
3775{
3776 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
3777 xs *files = xs_glob(spec, 1, 0);
3778 xs_list *p = files;
3779 const xs_str *v;
3780
3781 time_t mt = time(NULL) - 3600;
3782
3783 while (xs_list_iter(&p, &v)) {
3784 xs *cid = xs_replace(v, ".json", "");
3785 xs *fn = _app_fn(cid);
3786
3787 if (mtime(fn) < mt) {
3788 /* get the app */
3789 xs *app = app_get(cid);
3790
3791 if (app) {
3792 /* old apps with no uid are incomplete cruft */
3793 const char *uid = xs_dict_get(app, "uid");
3794
3795 if (xs_is_null(uid) || *uid == '\0') {
3796 unlink(fn);
3797 srv_debug(2, xs_fmt("purged %s", fn));
3798 }
3799 }
3800 }
3801 }
3802}
3803
3804
3805#endif /* #ifndef NO_MASTODON_API */
