2.79
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 *max_id = xs_dict_get(args, "max_id");
1348 const char *since_id = xs_dict_get(args, "since_id");
1349 const char *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 if (!xs_is_null(limit_s))
1358 limit = atoi(limit_s);
1359
1360 if (limit == 0)
1361 limit = 20;
1362
1363 if (min_id) {
1364 iterator = &index_asc_next;
1365 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1366 ascending = 1;
1367 }
1368 else {
1369 iterator = &index_desc_next;
1370 initial_status = index_desc_first(f, md5, 0);
1371 }
1372
1373 if (initial_status) {
1374 do {
1375 xs *msg = NULL;
1376
1377 /* only return entries older that max_id */
1378 if (max_id) {
1379 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1380 max_id = NULL;
1381 if (ascending)
1382 break;
1383 }
1384 if (!ascending)
1385 continue;
1386 }
1387
1388 /* only returns entries newer than since_id */
1389 if (since_id) {
1390 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1391 if (!ascending)
1392 break;
1393 since_id = NULL;
1394 }
1395 if (ascending)
1396 continue;
1397 }
1398
1399 /* get the entry */
1400 if (user) {
1401 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1402 continue;
1403 }
1404 else {
1405 if (!valid_status(object_get_by_md5(md5, &msg)))
1406 continue;
1407 }
1408
1409 /* discard non-Notes */
1410 const char *id = xs_dict_get(msg, "id");
1411 const char *type = xs_dict_get(msg, "type");
1412 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1413 continue;
1414
1415 if (id && is_instance_blocked(id))
1416 continue;
1417
1418 const char *from = NULL;
1419 if (strcmp(type, "Page") == 0)
1420 from = xs_dict_get(msg, "audience");
1421
1422 if (from == NULL)
1423 from = get_atto(msg);
1424
1425 if (from == NULL)
1426 continue;
1427
1428 if (user) {
1429 /* is this message from a person we don't follow? */
1430 if (strcmp(from, user->actor) && !following_check(user, from)) {
1431 /* discard if it was not boosted */
1432 xs *idx = object_announces(id);
1433
1434 if (xs_list_len(idx) == 0)
1435 continue;
1436 }
1437
1438 /* discard notes from muted morons */
1439 if (is_muted(user, from))
1440 continue;
1441
1442 /* discard hidden notes */
1443 if (is_hidden(user, id))
1444 continue;
1445 }
1446 else {
1447 /* skip non-public messages */
1448 if (!is_msg_public(msg))
1449 continue;
1450
1451 /* discard messages from private users */
1452 if (is_msg_from_private_user(msg))
1453 continue;
1454 }
1455
1456 /* if it has a name and it's not an object that may have one,
1457 it's a poll vote, so discard it */
1458 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1459 continue;
1460
1461 /* convert the Note into a Mastodon status */
1462 xs *st = mastoapi_status(user, msg);
1463
1464 if (st != NULL) {
1465 if (ascending)
1466 out = xs_list_insert(out, 0, st);
1467 else
1468 out = xs_list_append(out, st);
1469 cnt++;
1470 }
1471
1472 } while ((cnt < limit) && (*iterator)(f, md5));
1473 }
1474
1475 int more = index_desc_next(f, md5);
1476
1477 fclose(f);
1478
1479 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1480
1481 return out;
1482}
1483
1484
1485xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1486/* returns a Link header with paging information */
1487{
1488 xs_str *s = NULL;
1489
1490 if (xs_list_len(timeline) == 0)
1491 return NULL;
1492
1493 const xs_dict *first_st = xs_list_get(timeline, 0);
1494 const xs_dict *last_st = xs_list_get(timeline, -1);
1495 const char *first_id = xs_dict_get(first_st, "id");
1496 const char *last_id = xs_dict_get(last_st, "id");
1497 const char *host = xs_dict_get(srv_config, "host");
1498 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1499
1500 s = xs_fmt(
1501 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1502 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1503 protocol, host, endpoint, last_id,
1504 protocol, host, endpoint, first_id);
1505
1506 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1507
1508 return s;
1509}
1510
1511
1512xs_list *mastoapi_account_lists(snac *user, const char *uid)
1513/* returns the list of list an user is in */
1514{
1515 xs_list *out = xs_list_new();
1516 xs *actor_md5 = NULL;
1517 xs *lol = list_maint(user, NULL, 0);
1518
1519 if (uid) {
1520 if (!xs_is_hex(uid))
1521 actor_md5 = xs_md5_hex(uid, strlen(uid));
1522 else
1523 actor_md5 = xs_dup(uid);
1524 }
1525
1526 const xs_list *li;
1527 xs_list_foreach(lol, li) {
1528 const char *list_id = xs_list_get(li, 0);
1529 const char *list_title = xs_list_get(li, 1);
1530 if (uid) {
1531 xs *users = list_content(user, list_id, NULL, 0);
1532 if (xs_list_in(users, actor_md5) == -1)
1533 continue;
1534 }
1535
1536 xs *d = xs_dict_new();
1537
1538 d = xs_dict_append(d, "id", list_id);
1539 d = xs_dict_append(d, "title", list_title);
1540 d = xs_dict_append(d, "replies_policy", "list");
1541 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1542
1543 out = xs_list_append(out, d);
1544 }
1545
1546 return out;
1547}
1548
1549
1550int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1551 char **body, int *b_size, char **ctype, xs_str **link)
1552{
1553 (void)b_size;
1554
1555 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1556 return 0;
1557
1558 int status = HTTP_STATUS_NOT_FOUND;
1559 const xs_dict *args = xs_dict_get(req, "q_vars");
1560 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1561
1562 snac snac1 = {0};
1563 int logged_in = process_auth_token(&snac1, req);
1564
1565 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1566 if (logged_in) {
1567 credentials_get(body, ctype, &status, snac1);
1568 }
1569 else {
1570 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1571 }
1572 }
1573 else
1574 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1575 /* find if an account is followed, blocked, etc. */
1576 /* the account to get relationships about is in args "id[]" */
1577
1578 if (logged_in) {
1579 xs *res = xs_list_new();
1580 const char *md5 = xs_dict_get(args, "id[]");
1581
1582 if (xs_is_null(md5))
1583 md5 = xs_dict_get(args, "id");
1584
1585 if (!xs_is_null(md5)) {
1586 if (xs_type(md5) == XSTYPE_LIST)
1587 md5 = xs_list_get(md5, 0);
1588
1589 xs *rel = mastoapi_relationship(&snac1, md5);
1590
1591 if (rel != NULL)
1592 res = xs_list_append(res, rel);
1593 }
1594
1595 *body = xs_json_dumps(res, 4);
1596 *ctype = "application/json";
1597 status = HTTP_STATUS_OK;
1598 }
1599 else
1600 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1601 }
1602 else
1603 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1604 /* lookup an account */
1605 const char *acct = xs_dict_get(args, "acct");
1606
1607 if (!xs_is_null(acct)) {
1608 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1609 xs *l = xs_split_n(s, "@", 1);
1610 const char *uid = xs_list_get(l, 0);
1611 const char *host = xs_list_get(l, 1);
1612
1613 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1614 snac user;
1615
1616 if (user_open(&user, uid)) {
1617 xs *actor = msg_actor(&user);
1618 xs *macct = mastoapi_account(NULL, actor);
1619
1620 *body = xs_json_dumps(macct, 4);
1621 *ctype = "application/json";
1622 status = HTTP_STATUS_OK;
1623
1624 user_free(&user);
1625 }
1626 }
1627 }
1628 }
1629 else
1630 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1631 /* account-related information */
1632 xs *l = xs_split(cmd, "/");
1633 const char *uid = xs_list_get(l, 3);
1634 const char *opt = xs_list_get(l, 4);
1635
1636 if (uid != NULL) {
1637 snac snac2;
1638 xs *out = NULL;
1639 xs *actor = NULL;
1640
1641 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1642 /* search for accounts starting with q */
1643 const char *aq = xs_dict_get(args, "q");
1644
1645 if (!xs_is_null(aq)) {
1646 xs *q = xs_utf8_to_lower(aq);
1647 out = xs_list_new();
1648 xs *wing = following_list(&snac1);
1649 xs *wers = follower_list(&snac1);
1650 xs *ulst = user_list();
1651 xs_list *p;
1652 const xs_str *v;
1653 xs_set seen;
1654
1655 xs_set_init(&seen);
1656
1657 /* user relations */
1658 xs_list *lsts[] = { wing, wers, NULL };
1659 int n;
1660 for (n = 0; (p = lsts[n]) != NULL; n++) {
1661
1662 while (xs_list_iter(&p, &v)) {
1663 /* already seen? skip */
1664 if (xs_set_add(&seen, v) == 0)
1665 continue;
1666
1667 xs *actor = NULL;
1668
1669 if (valid_status(object_get(v, &actor))) {
1670 const char *uname = xs_dict_get(actor, "preferredUsername");
1671
1672 if (!xs_is_null(uname)) {
1673 xs *luname = xs_tolower_i(xs_dup(uname));
1674
1675 if (xs_startswith(luname, q)) {
1676 xs *acct = mastoapi_account(&snac1, actor);
1677
1678 out = xs_list_append(out, acct);
1679 }
1680 }
1681 }
1682 }
1683 }
1684
1685 /* local users */
1686 p = ulst;
1687 while (xs_list_iter(&p, &v)) {
1688 snac user;
1689
1690 /* skip this same user */
1691 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1692 continue;
1693
1694 /* skip if the uid does not start with the query */
1695 xs *v2 = xs_tolower_i(xs_dup(v));
1696 if (!xs_startswith(v2, q))
1697 continue;
1698
1699 if (user_open(&user, v)) {
1700 /* if it's not already seen, add it */
1701 if (xs_set_add(&seen, user.actor) == 1) {
1702 xs *actor = msg_actor(&user);
1703 xs *acct = mastoapi_account(&snac1, actor);
1704
1705 out = xs_list_append(out, acct);
1706 }
1707
1708 user_free(&user);
1709 }
1710 }
1711
1712 xs_set_free(&seen);
1713 }
1714 }
1715 else
1716 /* is it a local user? */
1717 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1718 if (opt == NULL) {
1719 /* account information */
1720 actor = msg_actor(&snac2);
1721 out = mastoapi_account(NULL, actor);
1722 }
1723 else
1724 if (strcmp(opt, "statuses") == 0) { /** **/
1725 /* the public list of posts of a user */
1726 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
1727 xs_list *p = timeline;
1728 const xs_str *v;
1729
1730 out = xs_list_new();
1731
1732 while (xs_list_iter(&p, &v)) {
1733 xs *msg = NULL;
1734
1735 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
1736 /* add only posts by the author */
1737 if (strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
1738 xs_startswith(xs_dict_get(msg, "id"), snac2.actor)) {
1739 xs *st = mastoapi_status(&snac2, msg);
1740
1741 if (st)
1742 out = xs_list_append(out, st);
1743 }
1744 }
1745 }
1746 }
1747 else
1748 if (strcmp(opt, "featured_tags") == 0) {
1749 /* snac doesn't have features tags, yet? */
1750 /* implement empty response so apps like Tokodon don't show an error */
1751 out = xs_list_new();
1752 }
1753 else
1754 if (strcmp(opt, "following") == 0) {
1755 xs *wing = following_list(&snac1);
1756 out = xs_list_new();
1757 int c = 0;
1758 const char *v;
1759
1760 while (xs_list_next(wing, &v, &c)) {
1761 xs *actor = NULL;
1762
1763 if (valid_status(object_get(v, &actor))) {
1764 xs *acct = mastoapi_account(NULL, actor);
1765 out = xs_list_append(out, acct);
1766 }
1767 }
1768 }
1769 else
1770 if (strcmp(opt, "followers") == 0) {
1771 out = xs_list_new();
1772 }
1773 else
1774 if (strcmp(opt, "lists") == 0) {
1775 out = mastoapi_account_lists(&snac1, uid);
1776 }
1777
1778 user_free(&snac2);
1779 }
1780 else {
1781 /* try the uid as the md5 of a possibly loaded actor */
1782 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
1783 if (opt == NULL) {
1784 /* account information */
1785 out = mastoapi_account(&snac1, actor);
1786 }
1787 else
1788 if (strcmp(opt, "statuses") == 0) {
1789 /* we don't serve statuses of others; return the empty list */
1790 out = xs_list_new();
1791 }
1792 else
1793 if (strcmp(opt, "featured_tags") == 0) {
1794 /* snac doesn't have features tags, yet? */
1795 /* implement empty response so apps like Tokodon don't show an error */
1796 out = xs_list_new();
1797 }
1798 else
1799 if (strcmp(opt, "lists") == 0) {
1800 out = mastoapi_account_lists(&snac1, uid);
1801 }
1802 }
1803 }
1804
1805 if (out != NULL) {
1806 *body = xs_json_dumps(out, 4);
1807 *ctype = "application/json";
1808 status = HTTP_STATUS_OK;
1809 }
1810 }
1811 }
1812 else
1813 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
1814 /* the private timeline */
1815 if (logged_in) {
1816 xs *ifn = user_index_fn(&snac1, "private");
1817 xs *out = mastoapi_timeline(&snac1, args, ifn);
1818
1819 *link = timeline_link_header("/api/v1/timelines/home", out);
1820
1821 *body = xs_json_dumps(out, 4);
1822 *ctype = "application/json";
1823 status = HTTP_STATUS_OK;
1824
1825 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
1826 }
1827 else {
1828 status = HTTP_STATUS_UNAUTHORIZED;
1829 }
1830 }
1831 else
1832 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
1833 /* the instance public timeline (public timelines for all users) */
1834 xs *ifn = instance_index_fn();
1835 xs *out = mastoapi_timeline(NULL, args, ifn);
1836
1837 *body = xs_json_dumps(out, 4);
1838 *ctype = "application/json";
1839 status = HTTP_STATUS_OK;
1840 }
1841 else
1842 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
1843 /* get the tag */
1844 xs *l = xs_split(cmd, "/");
1845 const char *tag = xs_list_get(l, -1);
1846
1847 xs *ifn = tag_fn(tag);
1848 xs *out = mastoapi_timeline(NULL, args, ifn);
1849
1850 *body = xs_json_dumps(out, 4);
1851 *ctype = "application/json";
1852 status = HTTP_STATUS_OK;
1853 }
1854 else
1855 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
1856 /* get the list id */
1857 if (logged_in) {
1858 xs *l = xs_split(cmd, "/");
1859 const char *list = xs_list_get(l, -1);
1860
1861 xs *ifn = list_timeline_fn(&snac1, list);
1862 xs *out = mastoapi_timeline(NULL, args, ifn);
1863
1864 *body = xs_json_dumps(out, 4);
1865 *ctype = "application/json";
1866 status = HTTP_STATUS_OK;
1867 }
1868 else
1869 status = HTTP_STATUS_MISDIRECTED_REQUEST;
1870 }
1871 else
1872 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
1873 /* TBD */
1874 *body = xs_dup("[]");
1875 *ctype = "application/json";
1876 status = HTTP_STATUS_OK;
1877 }
1878 else
1879 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
1880 if (logged_in) {
1881 xs *l = notify_list(&snac1, 0, 64);
1882 xs *out = xs_list_new();
1883 const char *v;
1884 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
1885 const xs_list *incl = xs_dict_get(args, "types[]");
1886 const char *min_id = xs_dict_get(args, "min_id");
1887 const char *max_id = xs_dict_get(args, "max_id");
1888 const char *limit = xs_dict_get(args, "limit");
1889 int limit_count = 0;
1890 if (xs_is_string(limit)) {
1891 limit_count = atoi(limit);
1892 }
1893
1894 if (dbglevel) {
1895 xs *js = xs_json_dumps(args, 0);
1896 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
1897 }
1898
1899 xs_list_foreach(l, v) {
1900 xs *noti = notify_get(&snac1, v);
1901
1902 if (noti == NULL)
1903 continue;
1904
1905 const char *type = xs_dict_get(noti, "type");
1906 const char *utype = xs_dict_get(noti, "utype");
1907 const char *objid = xs_dict_get(noti, "objid");
1908 const char *id = xs_dict_get(noti, "id");
1909 const char *actid = xs_dict_get(noti, "actor");
1910 xs *fid = xs_replace(id, ".", "");
1911 xs *actor = NULL;
1912 xs *entry = NULL;
1913
1914 if (!valid_status(actor_get(actid, &actor)))
1915 continue;
1916
1917 if (objid != NULL && !valid_status(object_get(objid, &entry)))
1918 continue;
1919
1920 if (is_hidden(&snac1, objid))
1921 continue;
1922
1923 if (max_id) {
1924 if (strcmp(fid, max_id) == 0)
1925 max_id = NULL;
1926
1927 continue;
1928 }
1929
1930 if (min_id) {
1931 if (strcmp(fid, min_id) <= 0) {
1932 continue;
1933 }
1934 }
1935
1936 /* convert the type */
1937 if (strcmp(type, "Like") == 0 || strcmp(type, "EmojiReact") == 0)
1938 type = "favourite";
1939 else
1940 if (strcmp(type, "Announce") == 0)
1941 type = "reblog";
1942 else
1943 if (strcmp(type, "Follow") == 0)
1944 type = "follow";
1945 else
1946 if (strcmp(type, "Create") == 0)
1947 type = "mention";
1948 else
1949 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
1950 type = "poll";
1951 else
1952 continue;
1953
1954 /* excluded type? */
1955 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
1956 continue;
1957
1958 /* included type? */
1959 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
1960 continue;
1961
1962 xs *mn = xs_dict_new();
1963
1964 mn = xs_dict_append(mn, "type", type);
1965
1966 mn = xs_dict_append(mn, "id", fid);
1967
1968 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
1969
1970 xs *acct = mastoapi_account(&snac1, actor);
1971
1972 if (acct == NULL)
1973 continue;
1974
1975 mn = xs_dict_append(mn, "account", acct);
1976
1977 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
1978 xs *st = mastoapi_status(&snac1, entry);
1979
1980 if (st)
1981 mn = xs_dict_append(mn, "status", st);
1982 }
1983
1984 out = xs_list_append(out, mn);
1985
1986 if (--limit_count <= 0)
1987 break;
1988 }
1989
1990 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
1991
1992 *body = xs_json_dumps(out, 4);
1993 *ctype = "application/json";
1994 status = HTTP_STATUS_OK;
1995 }
1996 else
1997 status = HTTP_STATUS_UNAUTHORIZED;
1998 }
1999 else
2000 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2001 /* snac will never have filters */
2002 *body = xs_dup("[]");
2003 *ctype = "application/json";
2004 status = HTTP_STATUS_OK;
2005 }
2006 else
2007 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2008 /* snac will never have filters
2009 * but still, without a v2 endpoint a short delay is introduced
2010 * in some apps */
2011 *body = xs_dup("[]");
2012 *ctype = "application/json";
2013 status = HTTP_STATUS_OK;
2014 }
2015 else
2016 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2017 /* snac will never support a list of favourites */
2018 *body = xs_dup("[]");
2019 *ctype = "application/json";
2020 status = HTTP_STATUS_OK;
2021 }
2022 else
2023 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2024 if (logged_in) {
2025 xs *ifn = bookmark_index_fn(&snac1);
2026 xs *out = mastoapi_timeline(&snac1, args, ifn);
2027
2028 *body = xs_json_dumps(out, 4);
2029 *ctype = "application/json";
2030 status = HTTP_STATUS_OK;
2031 }
2032 else
2033 status = HTTP_STATUS_UNAUTHORIZED;
2034 }
2035 else
2036 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2037 if (logged_in) {
2038 xs *l = mastoapi_account_lists(&snac1, NULL);
2039
2040 *body = xs_json_dumps(l, 4);
2041 *ctype = "application/json";
2042 status = HTTP_STATUS_OK;
2043 }
2044 else
2045 status = HTTP_STATUS_UNAUTHORIZED;
2046 }
2047 else
2048 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2049 if (logged_in) {
2050 xs *l = xs_split(cmd, "/");
2051 const char *p = xs_list_get(l, -1);
2052
2053 if (p) {
2054 if (strcmp(p, "accounts") == 0) {
2055 p = xs_list_get(l, -2);
2056
2057 if (p && xs_is_hex(p)) {
2058 xs *actors = list_content(&snac1, p, NULL, 0);
2059 xs *out = xs_list_new();
2060 int c = 0;
2061 const char *v;
2062
2063 while (xs_list_next(actors, &v, &c)) {
2064 xs *actor = NULL;
2065
2066 if (valid_status(object_get_by_md5(v, &actor))) {
2067 xs *acct = mastoapi_account(&snac1, actor);
2068 out = xs_list_append(out, acct);
2069 }
2070 }
2071
2072 *body = xs_json_dumps(out, 4);
2073 *ctype = "application/json";
2074 status = HTTP_STATUS_OK;
2075 }
2076 }
2077 else
2078 if (xs_is_hex(p)) {
2079 xs *out = xs_list_new();
2080 xs *lol = list_maint(&snac1, NULL, 0);
2081 int c = 0;
2082 const xs_list *v;
2083
2084 while (xs_list_next(lol, &v, &c)) {
2085 const char *id = xs_list_get(v, 0);
2086
2087 if (id && strcmp(id, p) == 0) {
2088 xs *d = xs_dict_new();
2089
2090 d = xs_dict_append(d, "id", p);
2091 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2092 d = xs_dict_append(d, "replies_policy", "list");
2093 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2094
2095 out = xs_dup(d);
2096 break;
2097 }
2098 }
2099
2100 *body = xs_json_dumps(out, 4);
2101 *ctype = "application/json";
2102 status = HTTP_STATUS_OK;
2103 }
2104 }
2105 }
2106 else
2107 status = HTTP_STATUS_UNAUTHORIZED;
2108 }
2109 else
2110 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2111 /* snac does not schedule notes */
2112 *body = xs_dup("[]");
2113 *ctype = "application/json";
2114 status = HTTP_STATUS_OK;
2115 }
2116 else
2117 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2118 if (logged_in) {
2119 xs *pend = pending_list(&snac1);
2120 xs *resp = xs_list_new();
2121 const char *id;
2122
2123 xs_list_foreach(pend, id) {
2124 xs *actor = NULL;
2125
2126 if (valid_status(object_get(id, &actor))) {
2127 xs *acct = mastoapi_account(&snac1, actor);
2128
2129 if (acct)
2130 resp = xs_list_append(resp, acct);
2131 }
2132 }
2133
2134 *body = xs_json_dumps(resp, 4);
2135 *ctype = "application/json";
2136 status = HTTP_STATUS_OK;
2137 }
2138 }
2139 else
2140 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2141 if (logged_in) {
2142 xs *resp = xs_list_new();
2143 double la = 0.0;
2144 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2145 if (user_la != NULL)
2146 la = xs_number_get(user_la);
2147 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2148
2149 /* contrary to html, we always send the announcement and set the read flag instead */
2150
2151 const t_announcement *annce = announcement(la);
2152 if (annce != NULL && annce->text != NULL) {
2153 xs *an = xs_dict_new();
2154 xs *id = xs_fmt("%d", annce->timestamp);
2155 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2156
2157 an = xs_dict_set(an, "id", id);
2158 an = xs_dict_set(an, "content", ct);
2159 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2160 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2161 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2162 an = xs_dict_set(an, "published_at", val_date);
2163 an = xs_dict_set(an, "updated_at", val_date);
2164 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2165 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2166 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2167 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2168 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2169 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2170 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2171 resp = xs_list_append(resp, an);
2172 }
2173
2174 *body = xs_json_dumps(resp, 4);
2175 *ctype = "application/json";
2176 status = HTTP_STATUS_OK;
2177 }
2178 }
2179 else
2180 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2181 xs *emo = emojis();
2182 xs *list = xs_list_new();
2183 int c = 0;
2184 const xs_str *k;
2185 const xs_val *v;
2186 while(xs_dict_next(emo, &k, &v, &c)) {
2187 xs *current = xs_dict_new();
2188 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2189 /* remove first and last colon */
2190 xs *shortcode = xs_replace(k, ":", "");
2191 current = xs_dict_append(current, "shortcode", shortcode);
2192 current = xs_dict_append(current, "url", v);
2193 current = xs_dict_append(current, "static_url", v);
2194 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2195 list = xs_list_append(list, current);
2196 }
2197 }
2198 *body = xs_json_dumps(list, 0);
2199 *ctype = "application/json";
2200 status = HTTP_STATUS_OK;
2201 }
2202 else
2203 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2204 /* returns an instance object */
2205 xs *ins = xs_dict_new();
2206 const char *host = xs_dict_get(srv_config, "host");
2207 const char *title = xs_dict_get(srv_config, "title");
2208 const char *sdesc = xs_dict_get(srv_config, "short_description");
2209
2210 ins = xs_dict_append(ins, "uri", host);
2211 ins = xs_dict_append(ins, "domain", host);
2212 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2213 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2214 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2215 ins = xs_dict_append(ins, "description", host);
2216
2217 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2218
2219 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2220 ins = xs_dict_append(ins, "thumbnail", susie);
2221
2222 const char *v = xs_dict_get(srv_config, "admin_email");
2223 if (xs_is_null(v) || *v == '\0')
2224 v = "admin@localhost";
2225
2226 ins = xs_dict_append(ins, "email", v);
2227
2228 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2229
2230 xs *l1 = xs_list_append(xs_list_new(), "en");
2231 ins = xs_dict_append(ins, "languages", l1);
2232
2233 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2234 xs *urls = xs_dict_new();
2235 urls = xs_dict_append(urls, "streaming_api", wss);
2236
2237 ins = xs_dict_append(ins, "urls", urls);
2238
2239 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2240 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2241 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2242 ins = xs_dict_append(ins, "stats", d2);
2243
2244 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2245 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2246 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2247
2248 xs *cfg = xs_dict_new();
2249
2250 {
2251 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2252 "\"max_characters\":100000,\"max_media_attachments\":4}");
2253
2254 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2255 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2256 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2257
2258 cfg = xs_dict_append(cfg, "statuses", d11);
2259
2260 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2261 cfg = xs_dict_append(cfg, "accounts", d12);
2262
2263 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2264 "\"image_size_limit\":16777216,"
2265 "\"video_frame_rate_limit\":120,"
2266 "\"video_matrix_limit\":8294400,"
2267 "\"video_size_limit\":103809024}"
2268 );
2269
2270 {
2271 /* get the supported mime types from the internal list */
2272 const char **p = xs_mime_types;
2273 xs_set mtypes;
2274 xs_set_init(&mtypes);
2275
2276 while (*p) {
2277 const char *type = p[1];
2278
2279 if (xs_startswith(type, "image/") ||
2280 xs_startswith(type, "video/") ||
2281 xs_startswith(type, "audio/"))
2282 xs_set_add(&mtypes, type);
2283
2284 p += 2;
2285 }
2286
2287 xs *l = xs_set_result(&mtypes);
2288 d13 = xs_dict_append(d13, "supported_mime_types", l);
2289 }
2290
2291 cfg = xs_dict_append(cfg, "media_attachments", d13);
2292
2293 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2294 "\"max_expiration\":2629746,"
2295 "\"max_options\":8,\"min_expiration\":300}");
2296 cfg = xs_dict_append(cfg, "polls", d14);
2297 }
2298
2299 ins = xs_dict_append(ins, "configuration", cfg);
2300
2301 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2302
2303 if (!xs_is_null(admin_account) && *admin_account) {
2304 snac admin;
2305
2306 if (user_open(&admin, admin_account)) {
2307 xs *actor = msg_actor(&admin);
2308 xs *acct = mastoapi_account(NULL, actor);
2309
2310 ins = xs_dict_append(ins, "contact_account", acct);
2311
2312 user_free(&admin);
2313 }
2314 }
2315
2316 *body = xs_json_dumps(ins, 4);
2317 *ctype = "application/json";
2318 status = HTTP_STATUS_OK;
2319 }
2320 else
2321 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2322 /* get the collected inbox list as the instances "this domain is aware of" */
2323 xs *list = inbox_list();
2324 xs *peers = xs_list_new();
2325 const char *inbox;
2326
2327 xs_list_foreach(list, inbox) {
2328 xs *l = xs_split(inbox, "/");
2329 const char *domain = xs_list_get(l, 2);
2330
2331 if (xs_is_string(domain))
2332 peers = xs_list_append(peers, domain);
2333 }
2334
2335 *body = xs_json_dumps(peers, 4);
2336 *ctype = "application/json";
2337 status = HTTP_STATUS_OK;
2338 }
2339 else
2340 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2341 xs *d = xs_dict_new();
2342 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2343 time_t t = mtime(greeting);
2344 xs *updated_at = xs_str_iso_date(t);
2345 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2346
2347 d = xs_dict_set(d, "updated_at", updated_at);
2348 d = xs_dict_set(d, "content", content);
2349
2350 *body = xs_json_dumps(d, 4);
2351 *ctype = "application/json";
2352 status = HTTP_STATUS_OK;
2353 }
2354 else
2355 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2356 /* information about a status */
2357 if (logged_in) {
2358 xs *l = xs_split(cmd, "/");
2359 const char *oid = xs_list_get(l, 3);
2360 const char *op = xs_list_get(l, 4);
2361
2362 if (!xs_is_null(oid)) {
2363 xs *msg = NULL;
2364 xs *out = NULL;
2365
2366 /* skip the 'fake' part of the id */
2367 oid = MID_TO_MD5(oid);
2368
2369 xs *id = xs_tolower_i(xs_dup(oid));
2370
2371 if (valid_status(object_get_by_md5(id, &msg))) {
2372 if (op == NULL) {
2373 if (!is_muted(&snac1, get_atto(msg))) {
2374 /* return the status itself */
2375 out = mastoapi_status(&snac1, msg);
2376 }
2377 }
2378 else
2379 if (strcmp(op, "context") == 0) { /** **/
2380 /* return ancestors and children */
2381 xs *anc = xs_list_new();
2382 xs *des = xs_list_new();
2383 xs_list *p;
2384 const xs_str *v;
2385 char pid[MD5_HEX_SIZE];
2386
2387 /* build the [grand]parent list, moving up */
2388 strncpy(pid, id, sizeof(pid));
2389
2390 while (object_parent(pid, pid)) {
2391 xs *m2 = NULL;
2392
2393 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2394 xs *st = mastoapi_status(&snac1, m2);
2395
2396 if (st)
2397 anc = xs_list_insert(anc, 0, st);
2398 }
2399 else
2400 break;
2401 }
2402
2403 /* build the children list */
2404 xs *children = object_children(xs_dict_get(msg, "id"));
2405 p = children;
2406
2407 while (xs_list_iter(&p, &v)) {
2408 xs *m2 = NULL;
2409
2410 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2411 if (xs_is_null(xs_dict_get(m2, "name"))) {
2412 xs *st = mastoapi_status(&snac1, m2);
2413
2414 if (st)
2415 des = xs_list_append(des, st);
2416 }
2417 }
2418 }
2419
2420 out = xs_dict_new();
2421 out = xs_dict_append(out, "ancestors", anc);
2422 out = xs_dict_append(out, "descendants", des);
2423 }
2424 else
2425 if (strcmp(op, "reblogged_by") == 0 || /** **/
2426 strcmp(op, "favourited_by") == 0) { /** **/
2427 /* return the list of people who liked or boosted this */
2428 out = xs_list_new();
2429
2430 xs *l = NULL;
2431
2432 if (op[0] == 'r')
2433 l = object_announces(xs_dict_get(msg, "id"));
2434 else
2435 l = object_likes(xs_dict_get(msg, "id"));
2436
2437 xs_list *p = l;
2438 const xs_str *v;
2439
2440 while (xs_list_iter(&p, &v)) {
2441 xs *actor2 = NULL;
2442
2443 if (valid_status(object_get_by_md5(v, &actor2))) {
2444 xs *acct2 = mastoapi_account(&snac1, actor2);
2445
2446 out = xs_list_append(out, acct2);
2447 }
2448 }
2449 }
2450 else
2451 if (strcmp(op, "source") == 0) { /** **/
2452 out = xs_dict_new();
2453
2454 /* get the mastoapi status id */
2455 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2456
2457 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2458 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2459 }
2460 }
2461 else
2462 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2463
2464 if (out != NULL) {
2465 *body = xs_json_dumps(out, 4);
2466 *ctype = "application/json";
2467 status = HTTP_STATUS_OK;
2468 }
2469 }
2470 }
2471 else
2472 status = HTTP_STATUS_UNAUTHORIZED;
2473 }
2474 else
2475 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2476 *body = xs_dup("{}");
2477 *ctype = "application/json";
2478 status = HTTP_STATUS_OK;
2479 }
2480 else
2481 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2482 if (logged_in) {
2483 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2484 xs_str *json = NULL;
2485 if (!xs_is_null(timeline))
2486 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2487
2488 if (!xs_is_null(json))
2489 *body = json;
2490 else
2491 *body = xs_dup("{}");
2492
2493 *ctype = "application/json";
2494 status = HTTP_STATUS_OK;
2495 }
2496 else
2497 status = HTTP_STATUS_UNAUTHORIZED;
2498 }
2499 else
2500 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2501 if (logged_in) {
2502 xs *r = xs_list_new();
2503 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2504 "followed_hashtags", xs_stock(XSTYPE_LIST));
2505 const char *hashtag;
2506
2507 xs_list_foreach(followed_hashtags, hashtag) {
2508 if (*hashtag == '#') {
2509 xs *d = xs_dict_new();
2510 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2511
2512 d = xs_dict_set(d, "name", hashtag + 1);
2513 d = xs_dict_set(d, "url", s);
2514 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2515
2516 r = xs_list_append(r, d);
2517 }
2518 }
2519
2520 *body = xs_json_dumps(r, 4);
2521 *ctype = "application/json";
2522 status = HTTP_STATUS_OK;
2523 }
2524 else
2525 status = HTTP_STATUS_UNAUTHORIZED;
2526 }
2527 else
2528 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
2529 *body = xs_dup("[]");
2530 *ctype = "application/json";
2531 status = HTTP_STATUS_OK;
2532 }
2533 else
2534 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
2535 *body = xs_dup("[]");
2536 *ctype = "application/json";
2537 status = HTTP_STATUS_OK;
2538 }
2539 else
2540 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2541 *body = xs_dup("[]");
2542 *ctype = "application/json";
2543 status = HTTP_STATUS_OK;
2544 }
2545 else
2546 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2547 *body = xs_dup("[]");
2548 *ctype = "application/json";
2549 status = HTTP_STATUS_OK;
2550 }
2551 else
2552 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2553 if (logged_in) {
2554 const char *q = xs_dict_get(args, "q");
2555 const char *type = xs_dict_get(args, "type");
2556 const char *offset = xs_dict_get(args, "offset");
2557
2558 xs *acl = xs_list_new();
2559 xs *stl = xs_list_new();
2560 xs *htl = xs_list_new();
2561 xs *res = xs_dict_new();
2562
2563 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
2564 /* reply something only for offset 0; otherwise,
2565 apps like Tusky keep asking again and again */
2566 if (xs_startswith(q, "https://")) {
2567 if (!timeline_here(&snac1, q)) {
2568 xs *object = NULL;
2569 int status;
2570
2571 status = activitypub_request(&snac1, q, &object);
2572 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
2573
2574 if (valid_status(status)) {
2575 /* got it; also request the actor */
2576 const char *attr_to = get_atto(object);
2577 xs *actor_obj = NULL;
2578
2579 if (!xs_is_null(attr_to)) {
2580 status = actor_request(&snac1, attr_to, &actor_obj);
2581
2582 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
2583
2584 if (valid_status(status)) {
2585 /* add the actor */
2586 actor_add(attr_to, actor_obj);
2587
2588 /* add the post to the timeline */
2589 timeline_add(&snac1, q, object);
2590 }
2591 }
2592 }
2593 }
2594 }
2595
2596 if (!xs_is_null(q)) {
2597 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
2598 /* do a webfinger query */
2599 char *actor = NULL;
2600 char *user = NULL;
2601
2602 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
2603 xs *actor_o = NULL;
2604
2605 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
2606 xs *acct = mastoapi_account(NULL, actor_o);
2607
2608 acl = xs_list_append(acl, acct);
2609
2610 if (!object_here(actor))
2611 object_add(actor, actor_o);
2612 }
2613 }
2614 }
2615
2616 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
2617 /* search this tag */
2618 xs *tl = tag_search((char *)q, 0, 1);
2619
2620 if (xs_list_len(tl)) {
2621 xs *d = xs_dict_new();
2622
2623 d = xs_dict_append(d, "name", q);
2624 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
2625 d = xs_dict_append(d, "url", url);
2626 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
2627
2628 htl = xs_list_append(htl, d);
2629 }
2630 }
2631
2632 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
2633 int to = 0;
2634 int cnt = 40;
2635 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
2636 int c = 0;
2637 const char *v;
2638
2639 while (xs_list_next(tl, &v, &c) && --cnt) {
2640 xs *post = NULL;
2641
2642 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
2643 continue;
2644
2645 xs *s = mastoapi_status(&snac1, post);
2646
2647 if (!xs_is_null(s))
2648 stl = xs_list_append(stl, s);
2649 }
2650 }
2651 }
2652 }
2653
2654 res = xs_dict_append(res, "accounts", acl);
2655 res = xs_dict_append(res, "statuses", stl);
2656 res = xs_dict_append(res, "hashtags", htl);
2657
2658 *body = xs_json_dumps(res, 4);
2659 *ctype = "application/json";
2660 status = HTTP_STATUS_OK;
2661 }
2662 else
2663 status = HTTP_STATUS_UNAUTHORIZED;
2664 }
2665
2666 /* user cleanup */
2667 if (logged_in)
2668 user_free(&snac1);
2669
2670 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
2671
2672 return status;
2673}
2674
2675
2676int mastoapi_post_handler(const xs_dict *req, const char *q_path,
2677 const char *payload, int p_size,
2678 char **body, int *b_size, char **ctype)
2679{
2680 (void)p_size;
2681 (void)b_size;
2682
2683 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
2684 return 0;
2685
2686 int status = HTTP_STATUS_NOT_FOUND;
2687 xs *args = NULL;
2688 const char *i_ctype = xs_dict_get(req, "content-type");
2689
2690 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
2691 if (!xs_is_null(payload))
2692 args = xs_json_loads(payload);
2693 }
2694 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
2695 {
2696 // Some apps send form data instead of json so we should cater for those
2697 if (!xs_is_null(payload)) {
2698 args = xs_url_vars(payload);
2699 }
2700 }
2701 else
2702 args = xs_dup(xs_dict_get(req, "p_vars"));
2703
2704 if (args == NULL)
2705 return HTTP_STATUS_BAD_REQUEST;
2706
2707 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
2708
2709 snac snac = {0};
2710 int logged_in = process_auth_token(&snac, req);
2711
2712 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
2713 const char *name = xs_dict_get(args, "client_name");
2714 const char *ruri = xs_dict_get(args, "redirect_uris");
2715 const char *scope = xs_dict_get(args, "scope");
2716
2717 /* Ice Cubes sends these values as query parameters, so try these */
2718 if (name == NULL && ruri == NULL && scope == NULL) {
2719 args = xs_dup(xs_dict_get(req, "q_vars"));
2720 name = xs_dict_get(args, "client_name");
2721 ruri = xs_dict_get(args, "redirect_uris");
2722 scope = xs_dict_get(args, "scope");
2723 }
2724
2725 if (xs_type(ruri) == XSTYPE_LIST)
2726 ruri = xs_dict_get(ruri, 0);
2727
2728 if (name && ruri) {
2729 xs *app = xs_dict_new();
2730 xs *id = xs_replace_i(tid(0), ".", "");
2731 xs *csec = random_str();
2732 xs *vkey = random_str();
2733 xs *cid = NULL;
2734
2735 /* pick a non-existent random cid */
2736 for (;;) {
2737 cid = random_str();
2738 xs *p_app = app_get(cid);
2739
2740 if (p_app == NULL)
2741 break;
2742
2743 xs_free(cid);
2744 }
2745
2746 app = xs_dict_append(app, "name", name);
2747 app = xs_dict_append(app, "redirect_uri", ruri);
2748 app = xs_dict_append(app, "client_id", cid);
2749 app = xs_dict_append(app, "client_secret", csec);
2750 app = xs_dict_append(app, "vapid_key", vkey);
2751 app = xs_dict_append(app, "id", id);
2752
2753 *body = xs_json_dumps(app, 4);
2754 *ctype = "application/json";
2755 status = HTTP_STATUS_OK;
2756
2757 app = xs_dict_append(app, "code", "");
2758
2759 if (scope)
2760 app = xs_dict_append(app, "scope", scope);
2761
2762 app_add(cid, app);
2763
2764 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
2765 }
2766 }
2767 else
2768 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
2769 if (logged_in) {
2770 /* post a new Note */
2771 const char *content = xs_dict_get(args, "status");
2772 const char *mid = xs_dict_get(args, "in_reply_to_id");
2773 const char *visibility = xs_dict_get(args, "visibility");
2774 const char *summary = xs_dict_get(args, "spoiler_text");
2775 const char *media_ids = xs_dict_get(args, "media_ids");
2776 const char *language = xs_dict_get(args, "language");
2777
2778 if (xs_is_null(media_ids))
2779 media_ids = xs_dict_get(args, "media_ids[]");
2780
2781 if (xs_is_null(media_ids))
2782 media_ids = xs_dict_get(args, "media_ids");
2783
2784 if (xs_is_null(visibility))
2785 visibility = "public";
2786
2787 xs *attach_list = xs_list_new();
2788 xs *irt = NULL;
2789
2790 /* is it a reply? */
2791 if (mid != NULL) {
2792 xs *r_msg = NULL;
2793 const char *md5 = MID_TO_MD5(mid);
2794
2795 if (valid_status(object_get_by_md5(md5, &r_msg)))
2796 irt = xs_dup(xs_dict_get(r_msg, "id"));
2797 }
2798
2799 /* does it have attachments? */
2800 if (!xs_is_null(media_ids)) {
2801 xs *mi = NULL;
2802
2803 if (xs_type(media_ids) == XSTYPE_LIST)
2804 mi = xs_dup(media_ids);
2805 else {
2806 mi = xs_list_new();
2807 mi = xs_list_append(mi, media_ids);
2808 }
2809
2810 xs_list *p = mi;
2811 const xs_str *v;
2812
2813 while (xs_list_iter(&p, &v)) {
2814 xs *l = xs_list_new();
2815 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
2816 xs *desc = static_get_meta(&snac, v);
2817
2818 l = xs_list_append(l, url);
2819 l = xs_list_append(l, desc);
2820
2821 attach_list = xs_list_append(attach_list, l);
2822 }
2823 }
2824
2825 /* prepare the message */
2826 int scope = 1;
2827 if (strcmp(visibility, "unlisted") == 0)
2828 scope = 2;
2829 else
2830 if (strcmp(visibility, "public") == 0)
2831 scope = 0;
2832
2833 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
2834
2835 if (!xs_is_null(summary) && *summary) {
2836 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
2837 msg = xs_dict_set(msg, "summary", summary);
2838 }
2839
2840 /* scheduled? */
2841 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
2842
2843 if (xs_is_string(scheduled_at) && *scheduled_at) {
2844 msg = xs_dict_set(msg, "published", scheduled_at);
2845
2846 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
2847 }
2848 else {
2849 /* store */
2850 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
2851
2852 /* 'Create' message */
2853 xs *c_msg = msg_create(&snac, msg);
2854 enqueue_message(&snac, c_msg);
2855
2856 timeline_touch(&snac);
2857 }
2858
2859 /* convert to a mastodon status as a response code */
2860 xs *st = mastoapi_status(&snac, msg);
2861
2862 *body = xs_json_dumps(st, 4);
2863 *ctype = "application/json";
2864 status = HTTP_STATUS_OK;
2865 }
2866 else
2867 status = HTTP_STATUS_UNAUTHORIZED;
2868 }
2869 else
2870 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
2871 if (logged_in) {
2872 /* operations on a status */
2873 xs *l = xs_split(cmd, "/");
2874 const char *mid = xs_list_get(l, 3);
2875 const char *op = xs_list_get(l, 4);
2876
2877 if (!xs_is_null(mid)) {
2878 xs *msg = NULL;
2879 xs *out = NULL;
2880
2881 /* skip the 'fake' part of the id */
2882 mid = MID_TO_MD5(mid);
2883
2884 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
2885 const char *id = xs_dict_get(msg, "id");
2886
2887 if (op == NULL) {
2888 /* no operation (?) */
2889 }
2890 else
2891 if (strcmp(op, "favourite") == 0) { /** **/
2892 xs *n_msg = msg_admiration(&snac, id, "Like");
2893
2894 if (n_msg != NULL) {
2895 enqueue_message(&snac, n_msg);
2896 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1);
2897
2898 out = mastoapi_status(&snac, msg);
2899 }
2900 }
2901 else
2902 if (strcmp(op, "unfavourite") == 0) { /** **/
2903 xs *n_msg = msg_repulsion(&snac, id, "Like");
2904
2905 if (n_msg != NULL) {
2906 enqueue_message(&snac, n_msg);
2907
2908 out = mastoapi_status(&snac, msg);
2909 }
2910 }
2911 else
2912 if (strcmp(op, "reblog") == 0) { /** **/
2913 xs *n_msg = msg_admiration(&snac, id, "Announce");
2914
2915 if (n_msg != NULL) {
2916 enqueue_message(&snac, n_msg);
2917 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0);
2918
2919 out = mastoapi_status(&snac, msg);
2920 }
2921 }
2922 else
2923 if (strcmp(op, "unreblog") == 0) { /** **/
2924 xs *n_msg = msg_repulsion(&snac, id, "Announce");
2925
2926 if (n_msg != NULL) {
2927 enqueue_message(&snac, n_msg);
2928
2929 out = mastoapi_status(&snac, msg);
2930 }
2931 }
2932 else
2933 if (strcmp(op, "bookmark") == 0) { /** **/
2934 /* bookmark this message */
2935 if (bookmark(&snac, id) == 0)
2936 out = mastoapi_status(&snac, msg);
2937 else
2938 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2939 }
2940 else
2941 if (strcmp(op, "unbookmark") == 0) { /** **/
2942 /* unbookmark this message */
2943 unbookmark(&snac, id);
2944 out = mastoapi_status(&snac, msg);
2945 }
2946 else
2947 if (strcmp(op, "pin") == 0) { /** **/
2948 /* pin this message */
2949 if (pin(&snac, id) == 0)
2950 out = mastoapi_status(&snac, msg);
2951 else
2952 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2953 }
2954 else
2955 if (strcmp(op, "unpin") == 0) { /** **/
2956 /* unpin this message */
2957 unpin(&snac, id);
2958 out = mastoapi_status(&snac, msg);
2959 }
2960 else
2961 if (strcmp(op, "mute") == 0) { /** **/
2962 /* Mastodon's mute is snac's hide */
2963 }
2964 else
2965 if (strcmp(op, "unmute") == 0) { /** **/
2966 /* Mastodon's unmute is snac's unhide */
2967 }
2968 }
2969
2970 if (out != NULL) {
2971 *body = xs_json_dumps(out, 4);
2972 *ctype = "application/json";
2973 status = HTTP_STATUS_OK;
2974 }
2975 }
2976 }
2977 else
2978 status = HTTP_STATUS_UNAUTHORIZED;
2979 }
2980 else
2981 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
2982 if (logged_in) {
2983 notify_clear(&snac);
2984 timeline_touch(&snac);
2985
2986 *body = xs_dup("{}");
2987 *ctype = "application/json";
2988 status = HTTP_STATUS_OK;
2989 }
2990 else
2991 status = HTTP_STATUS_UNAUTHORIZED;
2992 }
2993 else
2994 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
2995 /* I don't know what I'm doing */
2996 if (logged_in) {
2997 const char *v;
2998
2999 xs *wpush = xs_dict_new();
3000
3001 wpush = xs_dict_append(wpush, "id", "1");
3002
3003 v = xs_dict_get(args, "data");
3004 v = xs_dict_get(v, "alerts");
3005 wpush = xs_dict_append(wpush, "alerts", v);
3006
3007 v = xs_dict_get(args, "subscription");
3008 v = xs_dict_get(v, "endpoint");
3009 wpush = xs_dict_append(wpush, "endpoint", v);
3010
3011 xs *server_key = random_str();
3012 wpush = xs_dict_append(wpush, "server_key", server_key);
3013
3014 *body = xs_json_dumps(wpush, 4);
3015 *ctype = "application/json";
3016 status = HTTP_STATUS_OK;
3017 }
3018 else
3019 status = HTTP_STATUS_UNAUTHORIZED;
3020 }
3021 else
3022 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3023 if (logged_in) {
3024 const xs_list *file = xs_dict_get(args, "file");
3025 const char *desc = xs_dict_get(args, "description");
3026
3027 if (xs_is_null(desc))
3028 desc = "";
3029
3030 status = HTTP_STATUS_BAD_REQUEST;
3031
3032 if (xs_type(file) == XSTYPE_LIST) {
3033 const char *fn = xs_list_get(file, 0);
3034
3035 if (*fn != '\0') {
3036 char *ext = strrchr(fn, '.');
3037 char rnd[32];
3038 xs_rnd_buf(rnd, sizeof(rnd));
3039 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3040 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3041 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3042 int fo = xs_number_get(xs_list_get(file, 1));
3043 int fs = xs_number_get(xs_list_get(file, 2));
3044
3045 /* store */
3046 static_put(&snac, id, payload + fo, fs);
3047 static_put_meta(&snac, id, desc);
3048
3049 /* prepare a response */
3050 xs *rsp = xs_dict_new();
3051
3052 rsp = xs_dict_append(rsp, "id", id);
3053 rsp = xs_dict_append(rsp, "type", "image");
3054 rsp = xs_dict_append(rsp, "url", url);
3055 rsp = xs_dict_append(rsp, "preview_url", url);
3056 rsp = xs_dict_append(rsp, "remote_url", url);
3057 rsp = xs_dict_append(rsp, "description", desc);
3058
3059 *body = xs_json_dumps(rsp, 4);
3060 *ctype = "application/json";
3061 status = HTTP_STATUS_OK;
3062 }
3063 }
3064 }
3065 else
3066 status = HTTP_STATUS_UNAUTHORIZED;
3067 }
3068 else
3069 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3070 if (logged_in) {
3071 /* account-related information */
3072 xs *l = xs_split(cmd, "/");
3073 const char *md5 = xs_list_get(l, 3);
3074 const char *opt = xs_list_get(l, 4);
3075 xs *rsp = NULL;
3076
3077 if (!xs_is_null(md5) && *md5) {
3078 xs *actor_o = NULL;
3079
3080 if (xs_is_null(opt)) {
3081 /* ? */
3082 }
3083 else
3084 if (strcmp(opt, "follow") == 0) { /** **/
3085 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3086 const char *actor = xs_dict_get(actor_o, "id");
3087
3088 xs *msg = msg_follow(&snac, actor);
3089
3090 if (msg != NULL) {
3091 /* reload the actor from the message, in may be different */
3092 actor = xs_dict_get(msg, "object");
3093
3094 following_add(&snac, actor, msg);
3095
3096 enqueue_output_by_actor(&snac, msg, actor, 0);
3097
3098 rsp = mastoapi_relationship(&snac, md5);
3099 }
3100 }
3101 }
3102 else
3103 if (strcmp(opt, "unfollow") == 0) { /** **/
3104 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3105 const char *actor = xs_dict_get(actor_o, "id");
3106
3107 /* get the following object */
3108 xs *object = NULL;
3109
3110 if (valid_status(following_get(&snac, actor, &object))) {
3111 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3112
3113 following_del(&snac, actor);
3114
3115 enqueue_output_by_actor(&snac, msg, actor, 0);
3116
3117 rsp = mastoapi_relationship(&snac, md5);
3118 }
3119 }
3120 }
3121 else
3122 if (strcmp(opt, "block") == 0) { /** **/
3123 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3124 const char *actor = xs_dict_get(actor_o, "id");
3125
3126 mute(&snac, actor);
3127
3128 rsp = mastoapi_relationship(&snac, md5);
3129 }
3130 }
3131 else
3132 if (strcmp(opt, "unblock") == 0) { /** **/
3133 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3134 const char *actor = xs_dict_get(actor_o, "id");
3135
3136 unmute(&snac, actor);
3137
3138 rsp = mastoapi_relationship(&snac, md5);
3139 }
3140 }
3141 }
3142
3143 if (rsp != NULL) {
3144 *body = xs_json_dumps(rsp, 4);
3145 *ctype = "application/json";
3146 status = HTTP_STATUS_OK;
3147 }
3148 }
3149 else
3150 status = HTTP_STATUS_UNAUTHORIZED;
3151 }
3152 else
3153 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3154 if (logged_in) {
3155 /* operations on a status */
3156 xs *l = xs_split(cmd, "/");
3157 const char *mid = xs_list_get(l, 3);
3158 const char *op = xs_list_get(l, 4);
3159
3160 if (!xs_is_null(mid)) {
3161 xs *msg = NULL;
3162 xs *out = NULL;
3163
3164 /* skip the 'fake' part of the id */
3165 mid = MID_TO_MD5(mid);
3166
3167 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3168 const char *id = xs_dict_get(msg, "id");
3169 const char *atto = get_atto(msg);
3170
3171 const xs_list *opts = xs_dict_get(msg, "oneOf");
3172 if (opts == NULL)
3173 opts = xs_dict_get(msg, "anyOf");
3174
3175 if (op == NULL) {
3176 }
3177 else
3178 if (strcmp(op, "votes") == 0) {
3179 const xs_list *choices = xs_dict_get(args, "choices[]");
3180
3181 if (xs_is_null(choices))
3182 choices = xs_dict_get(args, "choices");
3183
3184 if (xs_type(choices) == XSTYPE_LIST) {
3185 const xs_str *v;
3186
3187 int c = 0;
3188 while (xs_list_next(choices, &v, &c)) {
3189 int io = atoi(v);
3190 const xs_dict *o = xs_list_get(opts, io);
3191
3192 if (o) {
3193 const char *name = xs_dict_get(o, "name");
3194
3195 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3196 msg = xs_dict_append(msg, "name", name);
3197
3198 xs *c_msg = msg_create(&snac, msg);
3199 enqueue_message(&snac, c_msg);
3200 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3201 }
3202 }
3203
3204 out = mastoapi_poll(&snac, msg);
3205 }
3206 }
3207 }
3208
3209 if (out != NULL) {
3210 *body = xs_json_dumps(out, 4);
3211 *ctype = "application/json";
3212 status = HTTP_STATUS_OK;
3213 }
3214 }
3215 }
3216 else
3217 status = HTTP_STATUS_UNAUTHORIZED;
3218 }
3219 else
3220 if (strcmp(cmd, "/v1/lists") == 0) {
3221 if (logged_in) {
3222 const char *title = xs_dict_get(args, "title");
3223
3224 if (xs_type(title) == XSTYPE_STRING) {
3225 /* add the list */
3226 xs *out = xs_dict_new();
3227 xs *lid = list_maint(&snac, title, 1);
3228
3229 if (!xs_is_null(lid)) {
3230 out = xs_dict_append(out, "id", lid);
3231 out = xs_dict_append(out, "title", title);
3232 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3233 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3234
3235 status = HTTP_STATUS_OK;
3236 }
3237 else {
3238 out = xs_dict_append(out, "error", "cannot create list");
3239 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3240 }
3241
3242 *body = xs_json_dumps(out, 4);
3243 *ctype = "application/json";
3244 }
3245 else
3246 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3247 }
3248 }
3249 else
3250 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3251 if (logged_in) {
3252 xs *l = xs_split(cmd, "/");
3253 const char *op = xs_list_get(l, -1);
3254 const char *id = xs_list_get(l, -2);
3255
3256 if (op && id && xs_is_hex(id)) {
3257 if (strcmp(op, "accounts") == 0) {
3258 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3259
3260 if (xs_is_null(accts))
3261 accts = xs_dict_get(args, "account_ids");
3262
3263 int c = 0;
3264 const char *v;
3265
3266 while (xs_list_next(accts, &v, &c)) {
3267 list_content(&snac, id, v, 1);
3268 }
3269
3270 xs *out = xs_dict_new();
3271 *body = xs_json_dumps(out, 4);
3272 *ctype = "application/json";
3273 status = HTTP_STATUS_OK;
3274 }
3275 }
3276 }
3277 }
3278 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3279 xs_str *json = NULL;
3280 if (logged_in) {
3281 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3282 if (xs_is_null(home_marker)) {
3283 const xs_dict *home = xs_dict_get(args, "home");
3284 if (!xs_is_null(home))
3285 home_marker = xs_dict_get(home, "last_read_id");
3286 }
3287
3288 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3289 if (xs_is_null(notify_marker)) {
3290 const xs_dict *notify = xs_dict_get(args, "notifications");
3291 if (!xs_is_null(notify))
3292 notify_marker = xs_dict_get(notify, "last_read_id");
3293 }
3294 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3295 }
3296 if (!xs_is_null(json))
3297 *body = json;
3298 else
3299 *body = xs_dup("{}");
3300
3301 *ctype = "application/json";
3302 status = HTTP_STATUS_OK;
3303 }
3304 else
3305 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3306 if (logged_in) {
3307 /* "authorize" or "reject" */
3308 xs *rel = NULL;
3309 xs *l = xs_split(cmd, "/");
3310 const char *md5 = xs_list_get(l, -2);
3311 const char *s_cmd = xs_list_get(l, -1);
3312
3313 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3314 xs *actor = NULL;
3315
3316 if (valid_status(object_get_by_md5(md5, &actor))) {
3317 const char *actor_id = xs_dict_get(actor, "id");
3318
3319 if (strcmp(s_cmd, "authorize") == 0) {
3320 xs *fwreq = pending_get(&snac, actor_id);
3321
3322 if (fwreq != NULL) {
3323 xs *reply = msg_accept(&snac, fwreq, actor_id);
3324
3325 enqueue_message(&snac, reply);
3326
3327 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3328 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3329 fwreq = xs_dict_set(fwreq, "published", date);
3330 }
3331
3332 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3333
3334 follower_add(&snac, actor_id);
3335
3336 pending_del(&snac, actor_id);
3337 rel = mastoapi_relationship(&snac, md5);
3338 }
3339 }
3340 else
3341 if (strcmp(s_cmd, "reject") == 0) {
3342 pending_del(&snac, actor_id);
3343 rel = mastoapi_relationship(&snac, md5);
3344 }
3345 }
3346 }
3347
3348 if (rel != NULL) {
3349 *body = xs_json_dumps(rel, 4);
3350 *ctype = "application/json";
3351 status = HTTP_STATUS_OK;
3352 }
3353 }
3354 }
3355 else
3356 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3357 if (logged_in) {
3358 xs *l = xs_split(cmd, "/");
3359 const char *i_tag = xs_list_get(l, 3);
3360 const char *cmd = xs_list_get(l, 4);
3361
3362 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3363
3364 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3365 int ok = 0;
3366
3367 xs *tag = xs_fmt("#%s", i_tag);
3368 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3369 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3370
3371 if (strcmp(cmd, "follow") == 0) {
3372 followed_hashtags = xs_list_append(followed_hashtags, tag);
3373 ok = 1;
3374 }
3375 else
3376 if (strcmp(cmd, "unfollow") == 0) {
3377 int off = xs_list_in(followed_hashtags, tag);
3378
3379 if (off != -1)
3380 followed_hashtags = xs_list_del(followed_hashtags, off);
3381
3382 ok = 1;
3383 }
3384
3385 if (ok) {
3386 /* update */
3387 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3388 user_persist(&snac, 0);
3389
3390 xs *d = xs_dict_new();
3391 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3392 d = xs_dict_set(d, "name", i_tag);
3393 d = xs_dict_set(d, "url", s);
3394 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3395
3396 *body = xs_json_dumps(d, 4);
3397 *ctype = "application/json";
3398 status = HTTP_STATUS_OK;
3399 }
3400 }
3401 }
3402 }
3403 else
3404 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3405
3406 /* user cleanup */
3407 if (logged_in)
3408 user_free(&snac);
3409
3410 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3411
3412 return status;
3413}
3414
3415
3416int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3417 const char *payload, int p_size,
3418 char **body, int *b_size, char **ctype)
3419{
3420 (void)p_size;
3421 (void)body;
3422 (void)b_size;
3423 (void)ctype;
3424
3425 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3426 return 0;
3427
3428 int status = HTTP_STATUS_NOT_FOUND;
3429 xs *args = NULL;
3430 const char *i_ctype = xs_dict_get(req, "content-type");
3431
3432 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3433 if (!xs_is_null(payload))
3434 args = xs_json_loads(payload);
3435 }
3436 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3437 {
3438 // Some apps send form data instead of json so we should cater for those
3439 if (!xs_is_null(payload)) {
3440 args = xs_url_vars(payload);
3441 }
3442 }
3443 else
3444 args = xs_dup(xs_dict_get(req, "p_vars"));
3445
3446 if (args == NULL)
3447 return HTTP_STATUS_BAD_REQUEST;
3448
3449 snac snac = {0};
3450 int logged_in = process_auth_token(&snac, req);
3451
3452 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3453
3454 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3455 // pretend we deleted it, since it doesn't exist anyway
3456 status = HTTP_STATUS_OK;
3457 }
3458 else
3459 if (xs_startswith(cmd, "/v1/lists/")) {
3460 if (logged_in) {
3461 xs *l = xs_split(cmd, "/");
3462 const char *p = xs_list_get(l, -1);
3463
3464 if (p) {
3465 if (strcmp(p, "accounts") == 0) {
3466 /* delete account from list */
3467 p = xs_list_get(l, -2);
3468 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3469
3470 if (xs_is_null(accts))
3471 accts = xs_dict_get(args, "account_ids");
3472
3473 int c = 0;
3474 const char *v;
3475
3476 while (xs_list_next(accts, &v, &c)) {
3477 list_content(&snac, p, v, 2);
3478 }
3479 }
3480 else {
3481 /* delete list */
3482 if (xs_is_hex(p)) {
3483 list_maint(&snac, p, 2);
3484 }
3485 }
3486 }
3487
3488 *ctype = "application/json";
3489 status = HTTP_STATUS_OK;
3490 }
3491 else
3492 status = HTTP_STATUS_UNAUTHORIZED;
3493 }
3494
3495 /* user cleanup */
3496 if (logged_in)
3497 user_free(&snac);
3498
3499 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
3500
3501 return status;
3502}
3503
3504
3505int mastoapi_put_handler(const xs_dict *req, const char *q_path,
3506 const char *payload, int p_size,
3507 char **body, int *b_size, char **ctype)
3508{
3509 (void)p_size;
3510 (void)b_size;
3511
3512 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3513 return 0;
3514
3515 int status = HTTP_STATUS_NOT_FOUND;
3516 xs *args = NULL;
3517 const char *i_ctype = xs_dict_get(req, "content-type");
3518
3519 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3520 if (!xs_is_null(payload))
3521 args = xs_json_loads(payload);
3522 }
3523 else
3524 args = xs_dup(xs_dict_get(req, "p_vars"));
3525
3526 if (args == NULL)
3527 return HTTP_STATUS_BAD_REQUEST;
3528
3529 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3530
3531 snac snac = {0};
3532 int logged_in = process_auth_token(&snac, req);
3533
3534 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
3535 if (logged_in) {
3536 xs *l = xs_split(cmd, "/");
3537 const char *stid = xs_list_get(l, 3);
3538
3539 if (!xs_is_null(stid)) {
3540 const char *desc = xs_dict_get(args, "description");
3541
3542 /* set the image metadata */
3543 static_put_meta(&snac, stid, desc);
3544
3545 /* prepare a response */
3546 xs *rsp = xs_dict_new();
3547 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
3548
3549 rsp = xs_dict_append(rsp, "id", stid);
3550 rsp = xs_dict_append(rsp, "type", "image");
3551 rsp = xs_dict_append(rsp, "url", url);
3552 rsp = xs_dict_append(rsp, "preview_url", url);
3553 rsp = xs_dict_append(rsp, "remote_url", url);
3554 rsp = xs_dict_append(rsp, "description", desc);
3555
3556 *body = xs_json_dumps(rsp, 4);
3557 *ctype = "application/json";
3558 status = HTTP_STATUS_OK;
3559 }
3560 }
3561 else
3562 status = HTTP_STATUS_UNAUTHORIZED;
3563 }
3564 else
3565 if (xs_startswith(cmd, "/v1/statuses")) {
3566 if (logged_in) {
3567 xs *l = xs_split(cmd, "/");
3568 const char *mid = xs_list_get(l, 3);
3569
3570 if (!xs_is_null(mid)) {
3571 const char *md5 = MID_TO_MD5(mid);
3572 xs *rsp = NULL;
3573 xs *msg = NULL;
3574
3575 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
3576 const char *content = xs_dict_get(args, "status");
3577 xs *atls = xs_list_new();
3578 xs *f_content = not_really_markdown(content, &atls, NULL);
3579
3580 /* replace fields with new content */
3581 msg = xs_dict_set(msg, "sourceContent", content);
3582 msg = xs_dict_set(msg, "content", f_content);
3583
3584 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
3585 msg = xs_dict_set(msg, "updated", updated);
3586
3587 /* overwrite object, not updating the indexes */
3588 object_add_ow(xs_dict_get(msg, "id"), msg);
3589
3590 /* update message */
3591 xs *c_msg = msg_update(&snac, msg);
3592
3593 enqueue_message(&snac, c_msg);
3594
3595 rsp = mastoapi_status(&snac, msg);
3596 }
3597
3598 if (rsp != NULL) {
3599 *body = xs_json_dumps(rsp, 4);
3600 *ctype = "application/json";
3601 status = HTTP_STATUS_OK;
3602 }
3603 }
3604 }
3605 else
3606 status = HTTP_STATUS_UNAUTHORIZED;
3607 }
3608
3609 /* user cleanup */
3610 if (logged_in)
3611 user_free(&snac);
3612
3613 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
3614
3615 return status;
3616}
3617
3618void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
3619/* Store header or avatar */
3620{
3621 if (data != NULL) {
3622 if (xs_type(data) == XSTYPE_LIST) {
3623 const char *fn = xs_list_get(data, 0);
3624
3625 if (fn && *fn) {
3626 const char *ext = strrchr(fn, '.');
3627
3628 /* Mona iOS sends always jpg as application/octet-stream with no filename */
3629 if (ext == NULL || strcmp(fn, key) == 0) {
3630 ext = ".jpg";
3631 }
3632
3633 /* Make sure we have a unique file name, otherwise updated images will not be
3634 * re-loaded by clients. */
3635 xs *rnd = random_str();
3636 xs *hash = xs_md5_hex(rnd, strlen(rnd));
3637 xs *id = xs_fmt("%s%s", hash, ext);
3638 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
3639 int fo = xs_number_get(xs_list_get(data, 1));
3640 int fs = xs_number_get(xs_list_get(data, 2));
3641
3642 /* store */
3643 static_put(snac, id, payload + fo, fs);
3644
3645 snac->config = xs_dict_set(snac->config, key, url);
3646 }
3647 }
3648 }
3649}
3650
3651int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
3652 const char *payload, int p_size,
3653 char **body, int *b_size, char **ctype)
3654/* Handle profile updates */
3655{
3656 (void)p_size;
3657 (void)b_size;
3658
3659 if (!xs_startswith(q_path, "/api/v1/"))
3660 return 0;
3661
3662 int status = HTTP_STATUS_NOT_FOUND;
3663 xs *args = NULL;
3664 const char *i_ctype = xs_dict_get(req, "content-type");
3665
3666 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3667 if (!xs_is_null(payload))
3668 args = xs_json_loads(payload);
3669 }
3670 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3671 {
3672 // Some apps send form data instead of json so we should cater for those
3673 if (!xs_is_null(payload)) {
3674 args = xs_url_vars(payload);
3675 }
3676 }
3677 else
3678 args = xs_dup(xs_dict_get(req, "p_vars"));
3679
3680 if (args == NULL)
3681 return HTTP_STATUS_BAD_REQUEST;
3682
3683 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3684
3685 snac snac = {0};
3686 int logged_in = process_auth_token(&snac, req);
3687
3688 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) {
3689 /* Update user profile fields */
3690 if (logged_in) {
3691 int c = 0;
3692 const xs_str *k;
3693 const xs_val *v;
3694 const xs_str *field_name = NULL;
3695 xs *new_fields = xs_dict_new();
3696 while (xs_dict_next(args, &k, &v, &c)) {
3697 if (strcmp(k, "display_name") == 0) {
3698 if (v != NULL)
3699 snac.config = xs_dict_set(snac.config, "name", v);
3700 }
3701 else
3702 if (strcmp(k, "note") == 0) {
3703 if (v != NULL)
3704 snac.config = xs_dict_set(snac.config, "bio", v);
3705 }
3706 else
3707 if (strcmp(k, "bot") == 0) {
3708 if (v != NULL)
3709 snac.config = xs_dict_set(snac.config, "bot",
3710 (strcmp(v, "true") == 0 ||
3711 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3712 }
3713 else
3714 if (strcmp(k, "source[sensitive]") == 0) {
3715 if (v != NULL)
3716 snac.config = xs_dict_set(snac.config, "cw",
3717 strcmp(v, "true") == 0 ? "open" : "");
3718 }
3719 else
3720 if (strcmp(k, "source[privacy]") == 0) {
3721 if (v != NULL)
3722 snac.config = xs_dict_set(snac.config, "private",
3723 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3724 }
3725 else
3726 if (strcmp(k, "header") == 0) {
3727 persist_image("header", v, payload, &snac);
3728 }
3729 else
3730 if (strcmp(k, "avatar") == 0) {
3731 persist_image("avatar", v, payload, &snac);
3732 }
3733 else
3734 if (xs_between("fields_attributes", k, "[name]")) {
3735 field_name = strcmp(v, "") != 0 ? v : NULL;
3736 }
3737 else
3738 if (xs_between("fields_attributes", k, "[value]")) {
3739 if (field_name != NULL) {
3740 new_fields = xs_dict_set(new_fields, field_name, v);
3741 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
3742 }
3743 }
3744 /* we don't have support for the following options, yet
3745 - discoverable (0/1)
3746 - locked (0/1)
3747 */
3748 }
3749
3750 /* Persist profile */
3751 if (user_persist(&snac, 1) == 0)
3752 credentials_get(body, ctype, &status, snac);
3753 else
3754 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
3755 }
3756 else
3757 status = HTTP_STATUS_UNAUTHORIZED;
3758 }
3759
3760 /* user cleanup */
3761 if (logged_in)
3762 user_free(&snac);
3763
3764 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
3765
3766 return status;
3767}
3768
3769
3770void mastoapi_purge(void)
3771{
3772 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
3773 xs *files = xs_glob(spec, 1, 0);
3774 xs_list *p = files;
3775 const xs_str *v;
3776
3777 time_t mt = time(NULL) - 3600;
3778
3779 while (xs_list_iter(&p, &v)) {
3780 xs *cid = xs_replace(v, ".json", "");
3781 xs *fn = _app_fn(cid);
3782
3783 if (mtime(fn) < mt) {
3784 /* get the app */
3785 xs *app = app_get(cid);
3786
3787 if (app) {
3788 /* old apps with no uid are incomplete cruft */
3789 const char *uid = xs_dict_get(app, "uid");
3790
3791 if (xs_is_null(uid) || *uid == '\0') {
3792 unlink(fn);
3793 srv_debug(2, xs_fmt("purged %s", fn));
3794 }
3795 }
3796 }
3797 }
3798}
3799
3800
3801#endif /* #ifndef NO_MASTODON_API */
