2.78
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_free(st);
1138 st = bst;
1139 }
1140 }
1141
1142 return st;
1143}
1144
1145
1146xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1147{
1148 xs_dict *rel = NULL;
1149 xs *actor_o = NULL;
1150
1151 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1152 rel = xs_dict_new();
1153
1154 const char *actor = xs_dict_get(actor_o, "id");
1155
1156 rel = xs_dict_append(rel, "id", md5);
1157 rel = xs_dict_append(rel, "following",
1158 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1159
1160 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1161 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1162 rel = xs_dict_append(rel, "followed_by",
1163 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1164
1165 rel = xs_dict_append(rel, "blocking",
1166 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1167
1168 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1169 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1170 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1171 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1172 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1173 rel = xs_dict_append(rel, "note", "");
1174 }
1175
1176 return rel;
1177}
1178
1179
1180int process_auth_token(snac *snac, const xs_dict *req)
1181/* processes an authorization token, if there is one */
1182{
1183 int logged_in = 0;
1184 const char *v;
1185
1186 /* if there is an authorization field, try to validate it */
1187 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1188 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1189 xs *token = token_get(tokid);
1190
1191 if (token != NULL) {
1192 const char *uid = xs_dict_get(token, "uid");
1193
1194 if (!xs_is_null(uid) && user_open(snac, uid)) {
1195 logged_in = 1;
1196
1197 /* this counts as a 'login' */
1198 lastlog_write(snac, "mastoapi");
1199
1200 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1201 }
1202 else
1203 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1204 }
1205 else
1206 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1207 }
1208
1209 return logged_in;
1210}
1211
1212
1213void credentials_get(char **body, char **ctype, int *status, snac snac)
1214{
1215 xs *acct = xs_dict_new();
1216
1217 const xs_val *bot = xs_dict_get(snac.config, "bot");
1218
1219 acct = xs_dict_append(acct, "id", snac.md5);
1220 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1221 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1222 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1223 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1224 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1225 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1226 acct = xs_dict_append(acct, "url", snac.actor);
1227
1228 acct = xs_dict_append(acct, "locked",
1229 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1230
1231 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1232 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1233
1234 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1235 "\"follow_requests_count\": 0,"
1236 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1237 /* some apps take the note from the source object */
1238 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1239 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1240
1241 const xs_str *cw = xs_dict_get(snac.config, "cw");
1242 src = xs_dict_set(src, "sensitive",
1243 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1244
1245 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1246
1247 xs *avatar = NULL;
1248 const char *av = xs_dict_get(snac.config, "avatar");
1249
1250 if (xs_is_null(av) || *av == '\0')
1251 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1252 else
1253 avatar = xs_dup(av);
1254
1255 acct = xs_dict_append(acct, "avatar", avatar);
1256 acct = xs_dict_append(acct, "avatar_static", avatar);
1257
1258 xs *header = NULL;
1259 const char *hd = xs_dict_get(snac.config, "header");
1260
1261 if (!xs_is_null(hd))
1262 header = xs_dup(hd);
1263 else
1264 header = xs_str_new(NULL);
1265
1266 acct = xs_dict_append(acct, "header", header);
1267 acct = xs_dict_append(acct, "header_static", header);
1268
1269 const xs_dict *metadata = xs_dict_get(snac.config, "metadata");
1270 if (xs_type(metadata) == XSTYPE_DICT) {
1271 xs *fields = xs_list_new();
1272 const xs_str *k;
1273 const xs_str *v;
1274
1275 xs_dict *val_links = snac.links;
1276 if (xs_is_null(val_links))
1277 val_links = xs_stock(XSTYPE_DICT);
1278
1279 int c = 0;
1280 while (xs_dict_next(metadata, &k, &v, &c)) {
1281 xs *val_date = NULL;
1282
1283 const xs_number *verified_time = xs_dict_get(val_links, v);
1284 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1285 time_t t = xs_number_get(verified_time);
1286
1287 if (t > 0)
1288 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1289 }
1290
1291 xs *d = xs_dict_new();
1292
1293 d = xs_dict_append(d, "name", k);
1294 d = xs_dict_append(d, "value", v);
1295 d = xs_dict_append(d, "verified_at",
1296 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1297
1298 fields = xs_list_append(fields, d);
1299 }
1300
1301 acct = xs_dict_set(acct, "fields", fields);
1302 /* some apps take the fields from the source object */
1303 src = xs_dict_set(src, "fields", fields);
1304 }
1305
1306 acct = xs_dict_append(acct, "source", src);
1307 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1308 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1309 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1310
1311 /* does this user want to publish their contact metrics? */
1312 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1313 int fwing = following_list_len(&snac);
1314 int fwers = follower_list_len(&snac);
1315 xs *ni = xs_number_new(fwing);
1316 xs *ne = xs_number_new(fwers);
1317
1318 acct = xs_dict_append(acct, "followers_count", ne);
1319 acct = xs_dict_append(acct, "following_count", ni);
1320 }
1321
1322 *body = xs_json_dumps(acct, 4);
1323 *ctype = "application/json";
1324 *status = HTTP_STATUS_OK;
1325}
1326
1327
1328xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1329{
1330 xs_list *out = xs_list_new();
1331 FILE *f;
1332 char md5[MD5_HEX_SIZE];
1333
1334 if (dbglevel) {
1335 xs *js = xs_json_dumps(args, 0);
1336 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1337 }
1338
1339 if ((f = fopen(index_fn, "r")) == NULL)
1340 return out;
1341
1342 const char *max_id = xs_dict_get(args, "max_id");
1343 const char *since_id = xs_dict_get(args, "since_id");
1344 const char *min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1345 const char *limit_s = xs_dict_get(args, "limit");
1346 int (*iterator)(FILE *, char *);
1347 int initial_status = 0;
1348 int ascending = 0;
1349 int limit = 0;
1350 int cnt = 0;
1351
1352 if (!xs_is_null(limit_s))
1353 limit = atoi(limit_s);
1354
1355 if (limit == 0)
1356 limit = 20;
1357
1358 if (min_id) {
1359 iterator = &index_asc_next;
1360 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1361 ascending = 1;
1362 }
1363 else {
1364 iterator = &index_desc_next;
1365 initial_status = index_desc_first(f, md5, 0);
1366 }
1367
1368 if (initial_status) {
1369 do {
1370 xs *msg = NULL;
1371
1372 /* only return entries older that max_id */
1373 if (max_id) {
1374 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1375 max_id = NULL;
1376 if (ascending)
1377 break;
1378 }
1379 if (!ascending)
1380 continue;
1381 }
1382
1383 /* only returns entries newer than since_id */
1384 if (since_id) {
1385 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1386 if (!ascending)
1387 break;
1388 since_id = NULL;
1389 }
1390 if (ascending)
1391 continue;
1392 }
1393
1394 /* get the entry */
1395 if (user) {
1396 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1397 continue;
1398 }
1399 else {
1400 if (!valid_status(object_get_by_md5(md5, &msg)))
1401 continue;
1402 }
1403
1404 /* discard non-Notes */
1405 const char *id = xs_dict_get(msg, "id");
1406 const char *type = xs_dict_get(msg, "type");
1407 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1408 continue;
1409
1410 if (id && is_instance_blocked(id))
1411 continue;
1412
1413 const char *from = NULL;
1414 if (strcmp(type, "Page") == 0)
1415 from = xs_dict_get(msg, "audience");
1416
1417 if (from == NULL)
1418 from = get_atto(msg);
1419
1420 if (from == NULL)
1421 continue;
1422
1423 if (user) {
1424 /* is this message from a person we don't follow? */
1425 if (strcmp(from, user->actor) && !following_check(user, from)) {
1426 /* discard if it was not boosted */
1427 xs *idx = object_announces(id);
1428
1429 if (xs_list_len(idx) == 0)
1430 continue;
1431 }
1432
1433 /* discard notes from muted morons */
1434 if (is_muted(user, from))
1435 continue;
1436
1437 /* discard hidden notes */
1438 if (is_hidden(user, id))
1439 continue;
1440 }
1441 else {
1442 /* skip non-public messages */
1443 if (!is_msg_public(msg))
1444 continue;
1445
1446 /* discard messages from private users */
1447 if (is_msg_from_private_user(msg))
1448 continue;
1449 }
1450
1451 /* if it has a name and it's not an object that may have one,
1452 it's a poll vote, so discard it */
1453 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1454 continue;
1455
1456 /* convert the Note into a Mastodon status */
1457 xs *st = mastoapi_status(user, msg);
1458
1459 if (st != NULL) {
1460 if (ascending)
1461 out = xs_list_insert(out, 0, st);
1462 else
1463 out = xs_list_append(out, st);
1464 cnt++;
1465 }
1466
1467 } while ((cnt < limit) && (*iterator)(f, md5));
1468 }
1469
1470 int more = index_desc_next(f, md5);
1471
1472 fclose(f);
1473
1474 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1475
1476 return out;
1477}
1478
1479
1480xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1481/* returns a Link header with paging information */
1482{
1483 xs_str *s = NULL;
1484
1485 if (xs_list_len(timeline) == 0)
1486 return NULL;
1487
1488 const xs_dict *first_st = xs_list_get(timeline, 0);
1489 const xs_dict *last_st = xs_list_get(timeline, -1);
1490 const char *first_id = xs_dict_get(first_st, "id");
1491 const char *last_id = xs_dict_get(last_st, "id");
1492 const char *host = xs_dict_get(srv_config, "host");
1493 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1494
1495 s = xs_fmt(
1496 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1497 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1498 protocol, host, endpoint, last_id,
1499 protocol, host, endpoint, first_id);
1500
1501 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1502
1503 return s;
1504}
1505
1506
1507xs_list *mastoapi_account_lists(snac *user, const char *uid)
1508/* returns the list of list an user is in */
1509{
1510 xs_list *out = xs_list_new();
1511 xs *actor_md5 = NULL;
1512 xs *lol = list_maint(user, NULL, 0);
1513
1514 if (uid) {
1515 if (!xs_is_hex(uid))
1516 actor_md5 = xs_md5_hex(uid, strlen(uid));
1517 else
1518 actor_md5 = xs_dup(uid);
1519 }
1520
1521 const xs_list *li;
1522 xs_list_foreach(lol, li) {
1523 const char *list_id = xs_list_get(li, 0);
1524 const char *list_title = xs_list_get(li, 1);
1525 if (uid) {
1526 xs *users = list_content(user, list_id, NULL, 0);
1527 if (xs_list_in(users, actor_md5) == -1)
1528 continue;
1529 }
1530
1531 xs *d = xs_dict_new();
1532
1533 d = xs_dict_append(d, "id", list_id);
1534 d = xs_dict_append(d, "title", list_title);
1535 d = xs_dict_append(d, "replies_policy", "list");
1536 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1537
1538 out = xs_list_append(out, d);
1539 }
1540
1541 return out;
1542}
1543
1544
1545int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1546 char **body, int *b_size, char **ctype, xs_str **link)
1547{
1548 (void)b_size;
1549
1550 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1551 return 0;
1552
1553 int status = HTTP_STATUS_NOT_FOUND;
1554 const xs_dict *args = xs_dict_get(req, "q_vars");
1555 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1556
1557 snac snac1 = {0};
1558 int logged_in = process_auth_token(&snac1, req);
1559
1560 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1561 if (logged_in) {
1562 credentials_get(body, ctype, &status, snac1);
1563 }
1564 else {
1565 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1566 }
1567 }
1568 else
1569 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1570 /* find if an account is followed, blocked, etc. */
1571 /* the account to get relationships about is in args "id[]" */
1572
1573 if (logged_in) {
1574 xs *res = xs_list_new();
1575 const char *md5 = xs_dict_get(args, "id[]");
1576
1577 if (xs_is_null(md5))
1578 md5 = xs_dict_get(args, "id");
1579
1580 if (!xs_is_null(md5)) {
1581 if (xs_type(md5) == XSTYPE_LIST)
1582 md5 = xs_list_get(md5, 0);
1583
1584 xs *rel = mastoapi_relationship(&snac1, md5);
1585
1586 if (rel != NULL)
1587 res = xs_list_append(res, rel);
1588 }
1589
1590 *body = xs_json_dumps(res, 4);
1591 *ctype = "application/json";
1592 status = HTTP_STATUS_OK;
1593 }
1594 else
1595 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1596 }
1597 else
1598 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1599 /* lookup an account */
1600 const char *acct = xs_dict_get(args, "acct");
1601
1602 if (!xs_is_null(acct)) {
1603 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1604 xs *l = xs_split_n(s, "@", 1);
1605 const char *uid = xs_list_get(l, 0);
1606 const char *host = xs_list_get(l, 1);
1607
1608 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1609 snac user;
1610
1611 if (user_open(&user, uid)) {
1612 xs *actor = msg_actor(&user);
1613 xs *macct = mastoapi_account(NULL, actor);
1614
1615 *body = xs_json_dumps(macct, 4);
1616 *ctype = "application/json";
1617 status = HTTP_STATUS_OK;
1618
1619 user_free(&user);
1620 }
1621 }
1622 }
1623 }
1624 else
1625 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1626 /* account-related information */
1627 xs *l = xs_split(cmd, "/");
1628 const char *uid = xs_list_get(l, 3);
1629 const char *opt = xs_list_get(l, 4);
1630
1631 if (uid != NULL) {
1632 snac snac2;
1633 xs *out = NULL;
1634 xs *actor = NULL;
1635
1636 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1637 /* search for accounts starting with q */
1638 const char *aq = xs_dict_get(args, "q");
1639
1640 if (!xs_is_null(aq)) {
1641 xs *q = xs_utf8_to_lower(aq);
1642 out = xs_list_new();
1643 xs *wing = following_list(&snac1);
1644 xs *wers = follower_list(&snac1);
1645 xs *ulst = user_list();
1646 xs_list *p;
1647 const xs_str *v;
1648 xs_set seen;
1649
1650 xs_set_init(&seen);
1651
1652 /* user relations */
1653 xs_list *lsts[] = { wing, wers, NULL };
1654 int n;
1655 for (n = 0; (p = lsts[n]) != NULL; n++) {
1656
1657 while (xs_list_iter(&p, &v)) {
1658 /* already seen? skip */
1659 if (xs_set_add(&seen, v) == 0)
1660 continue;
1661
1662 xs *actor = NULL;
1663
1664 if (valid_status(object_get(v, &actor))) {
1665 const char *uname = xs_dict_get(actor, "preferredUsername");
1666
1667 if (!xs_is_null(uname)) {
1668 xs *luname = xs_tolower_i(xs_dup(uname));
1669
1670 if (xs_startswith(luname, q)) {
1671 xs *acct = mastoapi_account(&snac1, actor);
1672
1673 out = xs_list_append(out, acct);
1674 }
1675 }
1676 }
1677 }
1678 }
1679
1680 /* local users */
1681 p = ulst;
1682 while (xs_list_iter(&p, &v)) {
1683 snac user;
1684
1685 /* skip this same user */
1686 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1687 continue;
1688
1689 /* skip if the uid does not start with the query */
1690 xs *v2 = xs_tolower_i(xs_dup(v));
1691 if (!xs_startswith(v2, q))
1692 continue;
1693
1694 if (user_open(&user, v)) {
1695 /* if it's not already seen, add it */
1696 if (xs_set_add(&seen, user.actor) == 1) {
1697 xs *actor = msg_actor(&user);
1698 xs *acct = mastoapi_account(&snac1, actor);
1699
1700 out = xs_list_append(out, acct);
1701 }
1702
1703 user_free(&user);
1704 }
1705 }
1706
1707 xs_set_free(&seen);
1708 }
1709 }
1710 else
1711 /* is it a local user? */
1712 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1713 if (opt == NULL) {
1714 /* account information */
1715 actor = msg_actor(&snac2);
1716 out = mastoapi_account(NULL, actor);
1717 }
1718 else
1719 if (strcmp(opt, "statuses") == 0) { /** **/
1720 /* the public list of posts of a user */
1721 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
1722 xs_list *p = timeline;
1723 const xs_str *v;
1724
1725 out = xs_list_new();
1726
1727 while (xs_list_iter(&p, &v)) {
1728 xs *msg = NULL;
1729
1730 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
1731 /* add only posts by the author */
1732 if (strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
1733 xs_startswith(xs_dict_get(msg, "id"), snac2.actor)) {
1734 xs *st = mastoapi_status(&snac2, msg);
1735
1736 if (st)
1737 out = xs_list_append(out, st);
1738 }
1739 }
1740 }
1741 }
1742 else
1743 if (strcmp(opt, "featured_tags") == 0) {
1744 /* snac doesn't have features tags, yet? */
1745 /* implement empty response so apps like Tokodon don't show an error */
1746 out = xs_list_new();
1747 }
1748 else
1749 if (strcmp(opt, "following") == 0) {
1750 xs *wing = following_list(&snac1);
1751 out = xs_list_new();
1752 int c = 0;
1753 const char *v;
1754
1755 while (xs_list_next(wing, &v, &c)) {
1756 xs *actor = NULL;
1757
1758 if (valid_status(object_get(v, &actor))) {
1759 xs *acct = mastoapi_account(NULL, actor);
1760 out = xs_list_append(out, acct);
1761 }
1762 }
1763 }
1764 else
1765 if (strcmp(opt, "followers") == 0) {
1766 out = xs_list_new();
1767 }
1768 else
1769 if (strcmp(opt, "lists") == 0) {
1770 out = mastoapi_account_lists(&snac1, uid);
1771 }
1772
1773 user_free(&snac2);
1774 }
1775 else {
1776 /* try the uid as the md5 of a possibly loaded actor */
1777 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
1778 if (opt == NULL) {
1779 /* account information */
1780 out = mastoapi_account(&snac1, actor);
1781 }
1782 else
1783 if (strcmp(opt, "statuses") == 0) {
1784 /* we don't serve statuses of others; return the empty list */
1785 out = xs_list_new();
1786 }
1787 else
1788 if (strcmp(opt, "featured_tags") == 0) {
1789 /* snac doesn't have features tags, yet? */
1790 /* implement empty response so apps like Tokodon don't show an error */
1791 out = xs_list_new();
1792 }
1793 else
1794 if (strcmp(opt, "lists") == 0) {
1795 out = mastoapi_account_lists(&snac1, uid);
1796 }
1797 }
1798 }
1799
1800 if (out != NULL) {
1801 *body = xs_json_dumps(out, 4);
1802 *ctype = "application/json";
1803 status = HTTP_STATUS_OK;
1804 }
1805 }
1806 }
1807 else
1808 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
1809 /* the private timeline */
1810 if (logged_in) {
1811 xs *ifn = user_index_fn(&snac1, "private");
1812 xs *out = mastoapi_timeline(&snac1, args, ifn);
1813
1814 *link = timeline_link_header("/api/v1/timelines/home", out);
1815
1816 *body = xs_json_dumps(out, 4);
1817 *ctype = "application/json";
1818 status = HTTP_STATUS_OK;
1819
1820 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
1821 }
1822 else {
1823 status = HTTP_STATUS_UNAUTHORIZED;
1824 }
1825 }
1826 else
1827 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
1828 /* the instance public timeline (public timelines for all users) */
1829 xs *ifn = instance_index_fn();
1830 xs *out = mastoapi_timeline(NULL, args, ifn);
1831
1832 *body = xs_json_dumps(out, 4);
1833 *ctype = "application/json";
1834 status = HTTP_STATUS_OK;
1835 }
1836 else
1837 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
1838 /* get the tag */
1839 xs *l = xs_split(cmd, "/");
1840 const char *tag = xs_list_get(l, -1);
1841
1842 xs *ifn = tag_fn(tag);
1843 xs *out = mastoapi_timeline(NULL, args, ifn);
1844
1845 *body = xs_json_dumps(out, 4);
1846 *ctype = "application/json";
1847 status = HTTP_STATUS_OK;
1848 }
1849 else
1850 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
1851 /* get the list id */
1852 if (logged_in) {
1853 xs *l = xs_split(cmd, "/");
1854 const char *list = xs_list_get(l, -1);
1855
1856 xs *ifn = list_timeline_fn(&snac1, list);
1857 xs *out = mastoapi_timeline(NULL, args, ifn);
1858
1859 *body = xs_json_dumps(out, 4);
1860 *ctype = "application/json";
1861 status = HTTP_STATUS_OK;
1862 }
1863 else
1864 status = HTTP_STATUS_MISDIRECTED_REQUEST;
1865 }
1866 else
1867 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
1868 /* TBD */
1869 *body = xs_dup("[]");
1870 *ctype = "application/json";
1871 status = HTTP_STATUS_OK;
1872 }
1873 else
1874 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
1875 if (logged_in) {
1876 xs *l = notify_list(&snac1, 0, 64);
1877 xs *out = xs_list_new();
1878 const char *v;
1879 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
1880 const xs_list *incl = xs_dict_get(args, "types[]");
1881 const char *min_id = xs_dict_get(args, "min_id");
1882 const char *max_id = xs_dict_get(args, "max_id");
1883 const char *limit = xs_dict_get(args, "limit");
1884 int limit_count = 0;
1885 if (xs_is_string(limit)) {
1886 limit_count = atoi(limit);
1887 }
1888
1889 if (dbglevel) {
1890 xs *js = xs_json_dumps(args, 0);
1891 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
1892 }
1893
1894 xs_list_foreach(l, v) {
1895 xs *noti = notify_get(&snac1, v);
1896
1897 if (noti == NULL)
1898 continue;
1899
1900 const char *type = xs_dict_get(noti, "type");
1901 const char *utype = xs_dict_get(noti, "utype");
1902 const char *objid = xs_dict_get(noti, "objid");
1903 const char *id = xs_dict_get(noti, "id");
1904 const char *actid = xs_dict_get(noti, "actor");
1905 xs *fid = xs_replace(id, ".", "");
1906 xs *actor = NULL;
1907 xs *entry = NULL;
1908
1909 if (!valid_status(actor_get(actid, &actor)))
1910 continue;
1911
1912 if (objid != NULL && !valid_status(object_get(objid, &entry)))
1913 continue;
1914
1915 if (is_hidden(&snac1, objid))
1916 continue;
1917
1918 if (max_id) {
1919 if (strcmp(fid, max_id) == 0)
1920 max_id = NULL;
1921
1922 continue;
1923 }
1924
1925 if (min_id) {
1926 if (strcmp(fid, min_id) <= 0) {
1927 continue;
1928 }
1929 }
1930
1931 /* convert the type */
1932 if (strcmp(type, "Like") == 0 || strcmp(type, "EmojiReact") == 0)
1933 type = "favourite";
1934 else
1935 if (strcmp(type, "Announce") == 0)
1936 type = "reblog";
1937 else
1938 if (strcmp(type, "Follow") == 0)
1939 type = "follow";
1940 else
1941 if (strcmp(type, "Create") == 0)
1942 type = "mention";
1943 else
1944 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
1945 type = "poll";
1946 else
1947 continue;
1948
1949 /* excluded type? */
1950 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
1951 continue;
1952
1953 /* included type? */
1954 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
1955 continue;
1956
1957 xs *mn = xs_dict_new();
1958
1959 mn = xs_dict_append(mn, "type", type);
1960
1961 mn = xs_dict_append(mn, "id", fid);
1962
1963 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
1964
1965 xs *acct = mastoapi_account(&snac1, actor);
1966
1967 if (acct == NULL)
1968 continue;
1969
1970 mn = xs_dict_append(mn, "account", acct);
1971
1972 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
1973 xs *st = mastoapi_status(&snac1, entry);
1974
1975 if (st)
1976 mn = xs_dict_append(mn, "status", st);
1977 }
1978
1979 out = xs_list_append(out, mn);
1980
1981 if (--limit_count <= 0)
1982 break;
1983 }
1984
1985 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
1986
1987 *body = xs_json_dumps(out, 4);
1988 *ctype = "application/json";
1989 status = HTTP_STATUS_OK;
1990 }
1991 else
1992 status = HTTP_STATUS_UNAUTHORIZED;
1993 }
1994 else
1995 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
1996 /* snac will never have filters */
1997 *body = xs_dup("[]");
1998 *ctype = "application/json";
1999 status = HTTP_STATUS_OK;
2000 }
2001 else
2002 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2003 /* snac will never have filters
2004 * but still, without a v2 endpoint a short delay is introduced
2005 * in some apps */
2006 *body = xs_dup("[]");
2007 *ctype = "application/json";
2008 status = HTTP_STATUS_OK;
2009 }
2010 else
2011 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2012 /* snac will never support a list of favourites */
2013 *body = xs_dup("[]");
2014 *ctype = "application/json";
2015 status = HTTP_STATUS_OK;
2016 }
2017 else
2018 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2019 if (logged_in) {
2020 xs *ifn = bookmark_index_fn(&snac1);
2021 xs *out = mastoapi_timeline(&snac1, args, ifn);
2022
2023 *body = xs_json_dumps(out, 4);
2024 *ctype = "application/json";
2025 status = HTTP_STATUS_OK;
2026 }
2027 else
2028 status = HTTP_STATUS_UNAUTHORIZED;
2029 }
2030 else
2031 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2032 if (logged_in) {
2033 xs *l = mastoapi_account_lists(&snac1, NULL);
2034
2035 *body = xs_json_dumps(l, 4);
2036 *ctype = "application/json";
2037 status = HTTP_STATUS_OK;
2038 }
2039 else
2040 status = HTTP_STATUS_UNAUTHORIZED;
2041 }
2042 else
2043 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2044 if (logged_in) {
2045 xs *l = xs_split(cmd, "/");
2046 const char *p = xs_list_get(l, -1);
2047
2048 if (p) {
2049 if (strcmp(p, "accounts") == 0) {
2050 p = xs_list_get(l, -2);
2051
2052 if (p && xs_is_hex(p)) {
2053 xs *actors = list_content(&snac1, p, NULL, 0);
2054 xs *out = xs_list_new();
2055 int c = 0;
2056 const char *v;
2057
2058 while (xs_list_next(actors, &v, &c)) {
2059 xs *actor = NULL;
2060
2061 if (valid_status(object_get_by_md5(v, &actor))) {
2062 xs *acct = mastoapi_account(&snac1, actor);
2063 out = xs_list_append(out, acct);
2064 }
2065 }
2066
2067 *body = xs_json_dumps(out, 4);
2068 *ctype = "application/json";
2069 status = HTTP_STATUS_OK;
2070 }
2071 }
2072 else
2073 if (xs_is_hex(p)) {
2074 xs *out = xs_list_new();
2075 xs *lol = list_maint(&snac1, NULL, 0);
2076 int c = 0;
2077 const xs_list *v;
2078
2079 while (xs_list_next(lol, &v, &c)) {
2080 const char *id = xs_list_get(v, 0);
2081
2082 if (id && strcmp(id, p) == 0) {
2083 xs *d = xs_dict_new();
2084
2085 d = xs_dict_append(d, "id", p);
2086 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2087 d = xs_dict_append(d, "replies_policy", "list");
2088 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2089
2090 out = xs_dup(d);
2091 break;
2092 }
2093 }
2094
2095 *body = xs_json_dumps(out, 4);
2096 *ctype = "application/json";
2097 status = HTTP_STATUS_OK;
2098 }
2099 }
2100 }
2101 else
2102 status = HTTP_STATUS_UNAUTHORIZED;
2103 }
2104 else
2105 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2106 /* snac does not schedule notes */
2107 *body = xs_dup("[]");
2108 *ctype = "application/json";
2109 status = HTTP_STATUS_OK;
2110 }
2111 else
2112 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2113 if (logged_in) {
2114 xs *pend = pending_list(&snac1);
2115 xs *resp = xs_list_new();
2116 const char *id;
2117
2118 xs_list_foreach(pend, id) {
2119 xs *actor = NULL;
2120
2121 if (valid_status(object_get(id, &actor))) {
2122 xs *acct = mastoapi_account(&snac1, actor);
2123
2124 if (acct)
2125 resp = xs_list_append(resp, acct);
2126 }
2127 }
2128
2129 *body = xs_json_dumps(resp, 4);
2130 *ctype = "application/json";
2131 status = HTTP_STATUS_OK;
2132 }
2133 }
2134 else
2135 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2136 if (logged_in) {
2137 xs *resp = xs_list_new();
2138 double la = 0.0;
2139 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2140 if (user_la != NULL)
2141 la = xs_number_get(user_la);
2142 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2143
2144 /* contrary to html, we always send the announcement and set the read flag instead */
2145
2146 const t_announcement *annce = announcement(la);
2147 if (annce != NULL && annce->text != NULL) {
2148 xs *an = xs_dict_new();
2149 xs *id = xs_fmt("%d", annce->timestamp);
2150 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2151
2152 an = xs_dict_set(an, "id", id);
2153 an = xs_dict_set(an, "content", ct);
2154 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2155 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2156 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2157 an = xs_dict_set(an, "published_at", val_date);
2158 an = xs_dict_set(an, "updated_at", val_date);
2159 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2160 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2161 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2162 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2163 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2164 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2165 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2166 resp = xs_list_append(resp, an);
2167 }
2168
2169 *body = xs_json_dumps(resp, 4);
2170 *ctype = "application/json";
2171 status = HTTP_STATUS_OK;
2172 }
2173 }
2174 else
2175 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2176 xs *emo = emojis();
2177 xs *list = xs_list_new();
2178 int c = 0;
2179 const xs_str *k;
2180 const xs_val *v;
2181 while(xs_dict_next(emo, &k, &v, &c)) {
2182 xs *current = xs_dict_new();
2183 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2184 /* remove first and last colon */
2185 xs *shortcode = xs_replace(k, ":", "");
2186 current = xs_dict_append(current, "shortcode", shortcode);
2187 current = xs_dict_append(current, "url", v);
2188 current = xs_dict_append(current, "static_url", v);
2189 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2190 list = xs_list_append(list, current);
2191 }
2192 }
2193 *body = xs_json_dumps(list, 0);
2194 *ctype = "application/json";
2195 status = HTTP_STATUS_OK;
2196 }
2197 else
2198 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2199 /* returns an instance object */
2200 xs *ins = xs_dict_new();
2201 const char *host = xs_dict_get(srv_config, "host");
2202 const char *title = xs_dict_get(srv_config, "title");
2203 const char *sdesc = xs_dict_get(srv_config, "short_description");
2204
2205 ins = xs_dict_append(ins, "uri", host);
2206 ins = xs_dict_append(ins, "domain", host);
2207 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2208 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2209 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2210 ins = xs_dict_append(ins, "description", host);
2211
2212 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2213
2214 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2215 ins = xs_dict_append(ins, "thumbnail", susie);
2216
2217 const char *v = xs_dict_get(srv_config, "admin_email");
2218 if (xs_is_null(v) || *v == '\0')
2219 v = "admin@localhost";
2220
2221 ins = xs_dict_append(ins, "email", v);
2222
2223 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2224
2225 xs *l1 = xs_list_append(xs_list_new(), "en");
2226 ins = xs_dict_append(ins, "languages", l1);
2227
2228 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2229 xs *urls = xs_dict_new();
2230 urls = xs_dict_append(urls, "streaming_api", wss);
2231
2232 ins = xs_dict_append(ins, "urls", urls);
2233
2234 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2235 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2236 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2237 ins = xs_dict_append(ins, "stats", d2);
2238
2239 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2240 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2241 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2242
2243 xs *cfg = xs_dict_new();
2244
2245 {
2246 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2247 "\"max_characters\":100000,\"max_media_attachments\":4}");
2248
2249 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2250 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2251 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2252
2253 cfg = xs_dict_append(cfg, "statuses", d11);
2254
2255 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2256 cfg = xs_dict_append(cfg, "accounts", d12);
2257
2258 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2259 "\"image_size_limit\":16777216,"
2260 "\"video_frame_rate_limit\":120,"
2261 "\"video_matrix_limit\":8294400,"
2262 "\"video_size_limit\":103809024}"
2263 );
2264
2265 {
2266 /* get the supported mime types from the internal list */
2267 const char **p = xs_mime_types;
2268 xs_set mtypes;
2269 xs_set_init(&mtypes);
2270
2271 while (*p) {
2272 const char *type = p[1];
2273
2274 if (xs_startswith(type, "image/") ||
2275 xs_startswith(type, "video/") ||
2276 xs_startswith(type, "audio/"))
2277 xs_set_add(&mtypes, type);
2278
2279 p += 2;
2280 }
2281
2282 xs *l = xs_set_result(&mtypes);
2283 d13 = xs_dict_append(d13, "supported_mime_types", l);
2284 }
2285
2286 cfg = xs_dict_append(cfg, "media_attachments", d13);
2287
2288 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2289 "\"max_expiration\":2629746,"
2290 "\"max_options\":8,\"min_expiration\":300}");
2291 cfg = xs_dict_append(cfg, "polls", d14);
2292 }
2293
2294 ins = xs_dict_append(ins, "configuration", cfg);
2295
2296 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2297
2298 if (!xs_is_null(admin_account) && *admin_account) {
2299 snac admin;
2300
2301 if (user_open(&admin, admin_account)) {
2302 xs *actor = msg_actor(&admin);
2303 xs *acct = mastoapi_account(NULL, actor);
2304
2305 ins = xs_dict_append(ins, "contact_account", acct);
2306
2307 user_free(&admin);
2308 }
2309 }
2310
2311 *body = xs_json_dumps(ins, 4);
2312 *ctype = "application/json";
2313 status = HTTP_STATUS_OK;
2314 }
2315 else
2316 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2317 /* get the collected inbox list as the instances "this domain is aware of" */
2318 xs *list = inbox_list();
2319 xs *peers = xs_list_new();
2320 const char *inbox;
2321
2322 xs_list_foreach(list, inbox) {
2323 xs *l = xs_split(inbox, "/");
2324 const char *domain = xs_list_get(l, 2);
2325
2326 if (xs_is_string(domain))
2327 peers = xs_list_append(peers, domain);
2328 }
2329
2330 *body = xs_json_dumps(peers, 4);
2331 *ctype = "application/json";
2332 status = HTTP_STATUS_OK;
2333 }
2334 else
2335 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2336 /* information about a status */
2337 if (logged_in) {
2338 xs *l = xs_split(cmd, "/");
2339 const char *id = xs_list_get(l, 3);
2340 const char *op = xs_list_get(l, 4);
2341
2342 if (!xs_is_null(id)) {
2343 xs *msg = NULL;
2344 xs *out = NULL;
2345
2346 /* skip the 'fake' part of the id */
2347 id = MID_TO_MD5(id);
2348
2349 if (valid_status(object_get_by_md5(id, &msg))) {
2350 if (op == NULL) {
2351 if (!is_muted(&snac1, get_atto(msg))) {
2352 /* return the status itself */
2353 out = mastoapi_status(&snac1, msg);
2354 }
2355 }
2356 else
2357 if (strcmp(op, "context") == 0) { /** **/
2358 /* return ancestors and children */
2359 xs *anc = xs_list_new();
2360 xs *des = xs_list_new();
2361 xs_list *p;
2362 const xs_str *v;
2363 char pid[MD5_HEX_SIZE];
2364
2365 /* build the [grand]parent list, moving up */
2366 strncpy(pid, id, sizeof(pid));
2367
2368 while (object_parent(pid, pid)) {
2369 xs *m2 = NULL;
2370
2371 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2372 xs *st = mastoapi_status(&snac1, m2);
2373
2374 if (st)
2375 anc = xs_list_insert(anc, 0, st);
2376 }
2377 else
2378 break;
2379 }
2380
2381 /* build the children list */
2382 xs *children = object_children(xs_dict_get(msg, "id"));
2383 p = children;
2384
2385 while (xs_list_iter(&p, &v)) {
2386 xs *m2 = NULL;
2387
2388 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2389 if (xs_is_null(xs_dict_get(m2, "name"))) {
2390 xs *st = mastoapi_status(&snac1, m2);
2391
2392 if (st)
2393 des = xs_list_append(des, st);
2394 }
2395 }
2396 }
2397
2398 out = xs_dict_new();
2399 out = xs_dict_append(out, "ancestors", anc);
2400 out = xs_dict_append(out, "descendants", des);
2401 }
2402 else
2403 if (strcmp(op, "reblogged_by") == 0 || /** **/
2404 strcmp(op, "favourited_by") == 0) { /** **/
2405 /* return the list of people who liked or boosted this */
2406 out = xs_list_new();
2407
2408 xs *l = NULL;
2409
2410 if (op[0] == 'r')
2411 l = object_announces(xs_dict_get(msg, "id"));
2412 else
2413 l = object_likes(xs_dict_get(msg, "id"));
2414
2415 xs_list *p = l;
2416 const xs_str *v;
2417
2418 while (xs_list_iter(&p, &v)) {
2419 xs *actor2 = NULL;
2420
2421 if (valid_status(object_get_by_md5(v, &actor2))) {
2422 xs *acct2 = mastoapi_account(&snac1, actor2);
2423
2424 out = xs_list_append(out, acct2);
2425 }
2426 }
2427 }
2428 else
2429 if (strcmp(op, "source") == 0) { /** **/
2430 out = xs_dict_new();
2431
2432 /* get the mastoapi status id */
2433 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2434
2435 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2436 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2437 }
2438 }
2439 else
2440 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2441
2442 if (out != NULL) {
2443 *body = xs_json_dumps(out, 4);
2444 *ctype = "application/json";
2445 status = HTTP_STATUS_OK;
2446 }
2447 }
2448 }
2449 else
2450 status = HTTP_STATUS_UNAUTHORIZED;
2451 }
2452 else
2453 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2454 *body = xs_dup("{}");
2455 *ctype = "application/json";
2456 status = HTTP_STATUS_OK;
2457 }
2458 else
2459 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2460 if (logged_in) {
2461 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2462 xs_str *json = NULL;
2463 if (!xs_is_null(timeline))
2464 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2465
2466 if (!xs_is_null(json))
2467 *body = json;
2468 else
2469 *body = xs_dup("{}");
2470
2471 *ctype = "application/json";
2472 status = HTTP_STATUS_OK;
2473 }
2474 else
2475 status = HTTP_STATUS_UNAUTHORIZED;
2476 }
2477 else
2478 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2479 *body = xs_dup("[]");
2480 *ctype = "application/json";
2481 status = HTTP_STATUS_OK;
2482 }
2483 else
2484 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2485 *body = xs_dup("[]");
2486 *ctype = "application/json";
2487 status = HTTP_STATUS_OK;
2488 }
2489 else
2490 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2491 *body = xs_dup("[]");
2492 *ctype = "application/json";
2493 status = HTTP_STATUS_OK;
2494 }
2495 else
2496 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2497 if (logged_in) {
2498 const char *q = xs_dict_get(args, "q");
2499 const char *type = xs_dict_get(args, "type");
2500 const char *offset = xs_dict_get(args, "offset");
2501
2502 xs *acl = xs_list_new();
2503 xs *stl = xs_list_new();
2504 xs *htl = xs_list_new();
2505 xs *res = xs_dict_new();
2506
2507 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
2508 /* reply something only for offset 0; otherwise,
2509 apps like Tusky keep asking again and again */
2510 if (xs_startswith(q, "https://")) {
2511 if (!timeline_here(&snac1, q)) {
2512 xs *object = NULL;
2513 int status;
2514
2515 status = activitypub_request(&snac1, q, &object);
2516 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
2517
2518 if (valid_status(status)) {
2519 /* got it; also request the actor */
2520 const char *attr_to = get_atto(object);
2521 xs *actor_obj = NULL;
2522
2523 if (!xs_is_null(attr_to)) {
2524 status = actor_request(&snac1, attr_to, &actor_obj);
2525
2526 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
2527
2528 if (valid_status(status)) {
2529 /* add the actor */
2530 actor_add(attr_to, actor_obj);
2531
2532 /* add the post to the timeline */
2533 timeline_add(&snac1, q, object);
2534 }
2535 }
2536 }
2537 }
2538 }
2539
2540 if (!xs_is_null(q)) {
2541 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
2542 /* do a webfinger query */
2543 char *actor = NULL;
2544 char *user = NULL;
2545
2546 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
2547 xs *actor_o = NULL;
2548
2549 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
2550 xs *acct = mastoapi_account(NULL, actor_o);
2551
2552 acl = xs_list_append(acl, acct);
2553
2554 if (!object_here(actor))
2555 object_add(actor, actor_o);
2556 }
2557 }
2558 }
2559
2560 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
2561 /* search this tag */
2562 xs *tl = tag_search((char *)q, 0, 1);
2563
2564 if (xs_list_len(tl)) {
2565 xs *d = xs_dict_new();
2566
2567 d = xs_dict_append(d, "name", q);
2568 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
2569 d = xs_dict_append(d, "url", url);
2570 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
2571
2572 htl = xs_list_append(htl, d);
2573 }
2574 }
2575
2576 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
2577 int to = 0;
2578 int cnt = 40;
2579 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
2580 int c = 0;
2581 const char *v;
2582
2583 while (xs_list_next(tl, &v, &c) && --cnt) {
2584 xs *post = NULL;
2585
2586 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
2587 continue;
2588
2589 xs *s = mastoapi_status(&snac1, post);
2590
2591 if (!xs_is_null(s))
2592 stl = xs_list_append(stl, s);
2593 }
2594 }
2595 }
2596 }
2597
2598 res = xs_dict_append(res, "accounts", acl);
2599 res = xs_dict_append(res, "statuses", stl);
2600 res = xs_dict_append(res, "hashtags", htl);
2601
2602 *body = xs_json_dumps(res, 4);
2603 *ctype = "application/json";
2604 status = HTTP_STATUS_OK;
2605 }
2606 else
2607 status = HTTP_STATUS_UNAUTHORIZED;
2608 }
2609
2610 /* user cleanup */
2611 if (logged_in)
2612 user_free(&snac1);
2613
2614 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
2615
2616 return status;
2617}
2618
2619
2620int mastoapi_post_handler(const xs_dict *req, const char *q_path,
2621 const char *payload, int p_size,
2622 char **body, int *b_size, char **ctype)
2623{
2624 (void)p_size;
2625 (void)b_size;
2626
2627 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
2628 return 0;
2629
2630 int status = HTTP_STATUS_NOT_FOUND;
2631 xs *args = NULL;
2632 const char *i_ctype = xs_dict_get(req, "content-type");
2633
2634 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
2635 if (!xs_is_null(payload))
2636 args = xs_json_loads(payload);
2637 }
2638 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
2639 {
2640 // Some apps send form data instead of json so we should cater for those
2641 if (!xs_is_null(payload)) {
2642 args = xs_url_vars(payload);
2643 }
2644 }
2645 else
2646 args = xs_dup(xs_dict_get(req, "p_vars"));
2647
2648 if (args == NULL)
2649 return HTTP_STATUS_BAD_REQUEST;
2650
2651 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
2652
2653 snac snac = {0};
2654 int logged_in = process_auth_token(&snac, req);
2655
2656 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
2657 const char *name = xs_dict_get(args, "client_name");
2658 const char *ruri = xs_dict_get(args, "redirect_uris");
2659 const char *scope = xs_dict_get(args, "scope");
2660
2661 /* Ice Cubes sends these values as query parameters, so try these */
2662 if (name == NULL && ruri == NULL && scope == NULL) {
2663 args = xs_dup(xs_dict_get(req, "q_vars"));
2664 name = xs_dict_get(args, "client_name");
2665 ruri = xs_dict_get(args, "redirect_uris");
2666 scope = xs_dict_get(args, "scope");
2667 }
2668
2669 if (xs_type(ruri) == XSTYPE_LIST)
2670 ruri = xs_dict_get(ruri, 0);
2671
2672 if (name && ruri) {
2673 xs *app = xs_dict_new();
2674 xs *id = xs_replace_i(tid(0), ".", "");
2675 xs *csec = random_str();
2676 xs *vkey = random_str();
2677 xs *cid = NULL;
2678
2679 /* pick a non-existent random cid */
2680 for (;;) {
2681 cid = random_str();
2682 xs *p_app = app_get(cid);
2683
2684 if (p_app == NULL)
2685 break;
2686
2687 xs_free(cid);
2688 }
2689
2690 app = xs_dict_append(app, "name", name);
2691 app = xs_dict_append(app, "redirect_uri", ruri);
2692 app = xs_dict_append(app, "client_id", cid);
2693 app = xs_dict_append(app, "client_secret", csec);
2694 app = xs_dict_append(app, "vapid_key", vkey);
2695 app = xs_dict_append(app, "id", id);
2696
2697 *body = xs_json_dumps(app, 4);
2698 *ctype = "application/json";
2699 status = HTTP_STATUS_OK;
2700
2701 app = xs_dict_append(app, "code", "");
2702
2703 if (scope)
2704 app = xs_dict_append(app, "scope", scope);
2705
2706 app_add(cid, app);
2707
2708 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
2709 }
2710 }
2711 else
2712 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
2713 if (logged_in) {
2714 /* post a new Note */
2715 const char *content = xs_dict_get(args, "status");
2716 const char *mid = xs_dict_get(args, "in_reply_to_id");
2717 const char *visibility = xs_dict_get(args, "visibility");
2718 const char *summary = xs_dict_get(args, "spoiler_text");
2719 const char *media_ids = xs_dict_get(args, "media_ids");
2720 const char *language = xs_dict_get(args, "language");
2721
2722 if (xs_is_null(media_ids))
2723 media_ids = xs_dict_get(args, "media_ids[]");
2724
2725 if (xs_is_null(media_ids))
2726 media_ids = xs_dict_get(args, "media_ids");
2727
2728 if (xs_is_null(visibility))
2729 visibility = "public";
2730
2731 xs *attach_list = xs_list_new();
2732 xs *irt = NULL;
2733
2734 /* is it a reply? */
2735 if (mid != NULL) {
2736 xs *r_msg = NULL;
2737 const char *md5 = MID_TO_MD5(mid);
2738
2739 if (valid_status(object_get_by_md5(md5, &r_msg)))
2740 irt = xs_dup(xs_dict_get(r_msg, "id"));
2741 }
2742
2743 /* does it have attachments? */
2744 if (!xs_is_null(media_ids)) {
2745 xs *mi = NULL;
2746
2747 if (xs_type(media_ids) == XSTYPE_LIST)
2748 mi = xs_dup(media_ids);
2749 else {
2750 mi = xs_list_new();
2751 mi = xs_list_append(mi, media_ids);
2752 }
2753
2754 xs_list *p = mi;
2755 const xs_str *v;
2756
2757 while (xs_list_iter(&p, &v)) {
2758 xs *l = xs_list_new();
2759 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
2760 xs *desc = static_get_meta(&snac, v);
2761
2762 l = xs_list_append(l, url);
2763 l = xs_list_append(l, desc);
2764
2765 attach_list = xs_list_append(attach_list, l);
2766 }
2767 }
2768
2769 /* prepare the message */
2770 int scope = 1;
2771 if (strcmp(visibility, "unlisted") == 0)
2772 scope = 2;
2773 else
2774 if (strcmp(visibility, "public") == 0)
2775 scope = 0;
2776
2777 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
2778
2779 if (!xs_is_null(summary) && *summary) {
2780 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
2781 msg = xs_dict_set(msg, "summary", summary);
2782 }
2783
2784 /* scheduled? */
2785 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
2786
2787 if (xs_is_string(scheduled_at) && *scheduled_at) {
2788 msg = xs_dict_set(msg, "published", scheduled_at);
2789
2790 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
2791 }
2792 else {
2793 /* store */
2794 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
2795
2796 /* 'Create' message */
2797 xs *c_msg = msg_create(&snac, msg);
2798 enqueue_message(&snac, c_msg);
2799
2800 timeline_touch(&snac);
2801 }
2802
2803 /* convert to a mastodon status as a response code */
2804 xs *st = mastoapi_status(&snac, msg);
2805
2806 *body = xs_json_dumps(st, 4);
2807 *ctype = "application/json";
2808 status = HTTP_STATUS_OK;
2809 }
2810 else
2811 status = HTTP_STATUS_UNAUTHORIZED;
2812 }
2813 else
2814 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
2815 if (logged_in) {
2816 /* operations on a status */
2817 xs *l = xs_split(cmd, "/");
2818 const char *mid = xs_list_get(l, 3);
2819 const char *op = xs_list_get(l, 4);
2820
2821 if (!xs_is_null(mid)) {
2822 xs *msg = NULL;
2823 xs *out = NULL;
2824
2825 /* skip the 'fake' part of the id */
2826 mid = MID_TO_MD5(mid);
2827
2828 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
2829 const char *id = xs_dict_get(msg, "id");
2830
2831 if (op == NULL) {
2832 /* no operation (?) */
2833 }
2834 else
2835 if (strcmp(op, "favourite") == 0) { /** **/
2836 xs *n_msg = msg_admiration(&snac, id, "Like");
2837
2838 if (n_msg != NULL) {
2839 enqueue_message(&snac, n_msg);
2840 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1);
2841
2842 out = mastoapi_status(&snac, msg);
2843 }
2844 }
2845 else
2846 if (strcmp(op, "unfavourite") == 0) { /** **/
2847 xs *n_msg = msg_repulsion(&snac, id, "Like");
2848
2849 if (n_msg != NULL) {
2850 enqueue_message(&snac, n_msg);
2851
2852 out = mastoapi_status(&snac, msg);
2853 }
2854 }
2855 else
2856 if (strcmp(op, "reblog") == 0) { /** **/
2857 xs *n_msg = msg_admiration(&snac, id, "Announce");
2858
2859 if (n_msg != NULL) {
2860 enqueue_message(&snac, n_msg);
2861 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0);
2862
2863 out = mastoapi_status(&snac, msg);
2864 }
2865 }
2866 else
2867 if (strcmp(op, "unreblog") == 0) { /** **/
2868 xs *n_msg = msg_repulsion(&snac, id, "Announce");
2869
2870 if (n_msg != NULL) {
2871 enqueue_message(&snac, n_msg);
2872
2873 out = mastoapi_status(&snac, msg);
2874 }
2875 }
2876 else
2877 if (strcmp(op, "bookmark") == 0) { /** **/
2878 /* bookmark this message */
2879 if (bookmark(&snac, id) == 0)
2880 out = mastoapi_status(&snac, msg);
2881 else
2882 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2883 }
2884 else
2885 if (strcmp(op, "unbookmark") == 0) { /** **/
2886 /* unbookmark this message */
2887 unbookmark(&snac, id);
2888 out = mastoapi_status(&snac, msg);
2889 }
2890 else
2891 if (strcmp(op, "pin") == 0) { /** **/
2892 /* pin this message */
2893 if (pin(&snac, id) == 0)
2894 out = mastoapi_status(&snac, msg);
2895 else
2896 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2897 }
2898 else
2899 if (strcmp(op, "unpin") == 0) { /** **/
2900 /* unpin this message */
2901 unpin(&snac, id);
2902 out = mastoapi_status(&snac, msg);
2903 }
2904 else
2905 if (strcmp(op, "mute") == 0) { /** **/
2906 /* Mastodon's mute is snac's hide */
2907 }
2908 else
2909 if (strcmp(op, "unmute") == 0) { /** **/
2910 /* Mastodon's unmute is snac's unhide */
2911 }
2912 }
2913
2914 if (out != NULL) {
2915 *body = xs_json_dumps(out, 4);
2916 *ctype = "application/json";
2917 status = HTTP_STATUS_OK;
2918 }
2919 }
2920 }
2921 else
2922 status = HTTP_STATUS_UNAUTHORIZED;
2923 }
2924 else
2925 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
2926 if (logged_in) {
2927 notify_clear(&snac);
2928 timeline_touch(&snac);
2929
2930 *body = xs_dup("{}");
2931 *ctype = "application/json";
2932 status = HTTP_STATUS_OK;
2933 }
2934 else
2935 status = HTTP_STATUS_UNAUTHORIZED;
2936 }
2937 else
2938 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
2939 /* I don't know what I'm doing */
2940 if (logged_in) {
2941 const char *v;
2942
2943 xs *wpush = xs_dict_new();
2944
2945 wpush = xs_dict_append(wpush, "id", "1");
2946
2947 v = xs_dict_get(args, "data");
2948 v = xs_dict_get(v, "alerts");
2949 wpush = xs_dict_append(wpush, "alerts", v);
2950
2951 v = xs_dict_get(args, "subscription");
2952 v = xs_dict_get(v, "endpoint");
2953 wpush = xs_dict_append(wpush, "endpoint", v);
2954
2955 xs *server_key = random_str();
2956 wpush = xs_dict_append(wpush, "server_key", server_key);
2957
2958 *body = xs_json_dumps(wpush, 4);
2959 *ctype = "application/json";
2960 status = HTTP_STATUS_OK;
2961 }
2962 else
2963 status = HTTP_STATUS_UNAUTHORIZED;
2964 }
2965 else
2966 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
2967 if (logged_in) {
2968 const xs_list *file = xs_dict_get(args, "file");
2969 const char *desc = xs_dict_get(args, "description");
2970
2971 if (xs_is_null(desc))
2972 desc = "";
2973
2974 status = HTTP_STATUS_BAD_REQUEST;
2975
2976 if (xs_type(file) == XSTYPE_LIST) {
2977 const char *fn = xs_list_get(file, 0);
2978
2979 if (*fn != '\0') {
2980 char *ext = strrchr(fn, '.');
2981 char rnd[32];
2982 xs_rnd_buf(rnd, sizeof(rnd));
2983 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
2984 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
2985 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
2986 int fo = xs_number_get(xs_list_get(file, 1));
2987 int fs = xs_number_get(xs_list_get(file, 2));
2988
2989 /* store */
2990 static_put(&snac, id, payload + fo, fs);
2991 static_put_meta(&snac, id, desc);
2992
2993 /* prepare a response */
2994 xs *rsp = xs_dict_new();
2995
2996 rsp = xs_dict_append(rsp, "id", id);
2997 rsp = xs_dict_append(rsp, "type", "image");
2998 rsp = xs_dict_append(rsp, "url", url);
2999 rsp = xs_dict_append(rsp, "preview_url", url);
3000 rsp = xs_dict_append(rsp, "remote_url", url);
3001 rsp = xs_dict_append(rsp, "description", desc);
3002
3003 *body = xs_json_dumps(rsp, 4);
3004 *ctype = "application/json";
3005 status = HTTP_STATUS_OK;
3006 }
3007 }
3008 }
3009 else
3010 status = HTTP_STATUS_UNAUTHORIZED;
3011 }
3012 else
3013 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3014 if (logged_in) {
3015 /* account-related information */
3016 xs *l = xs_split(cmd, "/");
3017 const char *md5 = xs_list_get(l, 3);
3018 const char *opt = xs_list_get(l, 4);
3019 xs *rsp = NULL;
3020
3021 if (!xs_is_null(md5) && *md5) {
3022 xs *actor_o = NULL;
3023
3024 if (xs_is_null(opt)) {
3025 /* ? */
3026 }
3027 else
3028 if (strcmp(opt, "follow") == 0) { /** **/
3029 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3030 const char *actor = xs_dict_get(actor_o, "id");
3031
3032 xs *msg = msg_follow(&snac, actor);
3033
3034 if (msg != NULL) {
3035 /* reload the actor from the message, in may be different */
3036 actor = xs_dict_get(msg, "object");
3037
3038 following_add(&snac, actor, msg);
3039
3040 enqueue_output_by_actor(&snac, msg, actor, 0);
3041
3042 rsp = mastoapi_relationship(&snac, md5);
3043 }
3044 }
3045 }
3046 else
3047 if (strcmp(opt, "unfollow") == 0) { /** **/
3048 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3049 const char *actor = xs_dict_get(actor_o, "id");
3050
3051 /* get the following object */
3052 xs *object = NULL;
3053
3054 if (valid_status(following_get(&snac, actor, &object))) {
3055 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3056
3057 following_del(&snac, actor);
3058
3059 enqueue_output_by_actor(&snac, msg, actor, 0);
3060
3061 rsp = mastoapi_relationship(&snac, md5);
3062 }
3063 }
3064 }
3065 else
3066 if (strcmp(opt, "block") == 0) { /** **/
3067 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3068 const char *actor = xs_dict_get(actor_o, "id");
3069
3070 mute(&snac, actor);
3071
3072 rsp = mastoapi_relationship(&snac, md5);
3073 }
3074 }
3075 else
3076 if (strcmp(opt, "unblock") == 0) { /** **/
3077 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3078 const char *actor = xs_dict_get(actor_o, "id");
3079
3080 unmute(&snac, actor);
3081
3082 rsp = mastoapi_relationship(&snac, md5);
3083 }
3084 }
3085 }
3086
3087 if (rsp != NULL) {
3088 *body = xs_json_dumps(rsp, 4);
3089 *ctype = "application/json";
3090 status = HTTP_STATUS_OK;
3091 }
3092 }
3093 else
3094 status = HTTP_STATUS_UNAUTHORIZED;
3095 }
3096 else
3097 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3098 if (logged_in) {
3099 /* operations on a status */
3100 xs *l = xs_split(cmd, "/");
3101 const char *mid = xs_list_get(l, 3);
3102 const char *op = xs_list_get(l, 4);
3103
3104 if (!xs_is_null(mid)) {
3105 xs *msg = NULL;
3106 xs *out = NULL;
3107
3108 /* skip the 'fake' part of the id */
3109 mid = MID_TO_MD5(mid);
3110
3111 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3112 const char *id = xs_dict_get(msg, "id");
3113 const char *atto = get_atto(msg);
3114
3115 const xs_list *opts = xs_dict_get(msg, "oneOf");
3116 if (opts == NULL)
3117 opts = xs_dict_get(msg, "anyOf");
3118
3119 if (op == NULL) {
3120 }
3121 else
3122 if (strcmp(op, "votes") == 0) {
3123 const xs_list *choices = xs_dict_get(args, "choices[]");
3124
3125 if (xs_is_null(choices))
3126 choices = xs_dict_get(args, "choices");
3127
3128 if (xs_type(choices) == XSTYPE_LIST) {
3129 const xs_str *v;
3130
3131 int c = 0;
3132 while (xs_list_next(choices, &v, &c)) {
3133 int io = atoi(v);
3134 const xs_dict *o = xs_list_get(opts, io);
3135
3136 if (o) {
3137 const char *name = xs_dict_get(o, "name");
3138
3139 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3140 msg = xs_dict_append(msg, "name", name);
3141
3142 xs *c_msg = msg_create(&snac, msg);
3143 enqueue_message(&snac, c_msg);
3144 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3145 }
3146 }
3147
3148 out = mastoapi_poll(&snac, msg);
3149 }
3150 }
3151 }
3152
3153 if (out != NULL) {
3154 *body = xs_json_dumps(out, 4);
3155 *ctype = "application/json";
3156 status = HTTP_STATUS_OK;
3157 }
3158 }
3159 }
3160 else
3161 status = HTTP_STATUS_UNAUTHORIZED;
3162 }
3163 else
3164 if (strcmp(cmd, "/v1/lists") == 0) {
3165 if (logged_in) {
3166 const char *title = xs_dict_get(args, "title");
3167
3168 if (xs_type(title) == XSTYPE_STRING) {
3169 /* add the list */
3170 xs *out = xs_dict_new();
3171 xs *lid = list_maint(&snac, title, 1);
3172
3173 if (!xs_is_null(lid)) {
3174 out = xs_dict_append(out, "id", lid);
3175 out = xs_dict_append(out, "title", title);
3176 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3177 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3178
3179 status = HTTP_STATUS_OK;
3180 }
3181 else {
3182 out = xs_dict_append(out, "error", "cannot create list");
3183 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3184 }
3185
3186 *body = xs_json_dumps(out, 4);
3187 *ctype = "application/json";
3188 }
3189 else
3190 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3191 }
3192 }
3193 else
3194 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3195 if (logged_in) {
3196 xs *l = xs_split(cmd, "/");
3197 const char *op = xs_list_get(l, -1);
3198 const char *id = xs_list_get(l, -2);
3199
3200 if (op && id && xs_is_hex(id)) {
3201 if (strcmp(op, "accounts") == 0) {
3202 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3203
3204 if (xs_is_null(accts))
3205 accts = xs_dict_get(args, "account_ids");
3206
3207 int c = 0;
3208 const char *v;
3209
3210 while (xs_list_next(accts, &v, &c)) {
3211 list_content(&snac, id, v, 1);
3212 }
3213
3214 xs *out = xs_dict_new();
3215 *body = xs_json_dumps(out, 4);
3216 *ctype = "application/json";
3217 status = HTTP_STATUS_OK;
3218 }
3219 }
3220 }
3221 }
3222 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3223 xs_str *json = NULL;
3224 if (logged_in) {
3225 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3226 if (xs_is_null(home_marker)) {
3227 const xs_dict *home = xs_dict_get(args, "home");
3228 if (!xs_is_null(home))
3229 home_marker = xs_dict_get(home, "last_read_id");
3230 }
3231
3232 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3233 if (xs_is_null(notify_marker)) {
3234 const xs_dict *notify = xs_dict_get(args, "notifications");
3235 if (!xs_is_null(notify))
3236 notify_marker = xs_dict_get(notify, "last_read_id");
3237 }
3238 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3239 }
3240 if (!xs_is_null(json))
3241 *body = json;
3242 else
3243 *body = xs_dup("{}");
3244
3245 *ctype = "application/json";
3246 status = HTTP_STATUS_OK;
3247 }
3248 else
3249 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3250 if (logged_in) {
3251 /* "authorize" or "reject" */
3252 xs *rel = NULL;
3253 xs *l = xs_split(cmd, "/");
3254 const char *md5 = xs_list_get(l, -2);
3255 const char *s_cmd = xs_list_get(l, -1);
3256
3257 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3258 xs *actor = NULL;
3259
3260 if (valid_status(object_get_by_md5(md5, &actor))) {
3261 const char *actor_id = xs_dict_get(actor, "id");
3262
3263 if (strcmp(s_cmd, "authorize") == 0) {
3264 xs *fwreq = pending_get(&snac, actor_id);
3265
3266 if (fwreq != NULL) {
3267 xs *reply = msg_accept(&snac, fwreq, actor_id);
3268
3269 enqueue_message(&snac, reply);
3270
3271 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3272 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3273 fwreq = xs_dict_set(fwreq, "published", date);
3274 }
3275
3276 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3277
3278 follower_add(&snac, actor_id);
3279
3280 pending_del(&snac, actor_id);
3281 rel = mastoapi_relationship(&snac, md5);
3282 }
3283 }
3284 else
3285 if (strcmp(s_cmd, "reject") == 0) {
3286 pending_del(&snac, actor_id);
3287 rel = mastoapi_relationship(&snac, md5);
3288 }
3289 }
3290 }
3291
3292 if (rel != NULL) {
3293 *body = xs_json_dumps(rel, 4);
3294 *ctype = "application/json";
3295 status = HTTP_STATUS_OK;
3296 }
3297 }
3298 }
3299 else
3300 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3301
3302 /* user cleanup */
3303 if (logged_in)
3304 user_free(&snac);
3305
3306 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3307
3308 return status;
3309}
3310
3311
3312int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3313 const char *payload, int p_size,
3314 char **body, int *b_size, char **ctype)
3315{
3316 (void)p_size;
3317 (void)body;
3318 (void)b_size;
3319 (void)ctype;
3320
3321 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3322 return 0;
3323
3324 int status = HTTP_STATUS_NOT_FOUND;
3325 xs *args = NULL;
3326 const char *i_ctype = xs_dict_get(req, "content-type");
3327
3328 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3329 if (!xs_is_null(payload))
3330 args = xs_json_loads(payload);
3331 }
3332 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3333 {
3334 // Some apps send form data instead of json so we should cater for those
3335 if (!xs_is_null(payload)) {
3336 args = xs_url_vars(payload);
3337 }
3338 }
3339 else
3340 args = xs_dup(xs_dict_get(req, "p_vars"));
3341
3342 if (args == NULL)
3343 return HTTP_STATUS_BAD_REQUEST;
3344
3345 snac snac = {0};
3346 int logged_in = process_auth_token(&snac, req);
3347
3348 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3349
3350 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3351 // pretend we deleted it, since it doesn't exist anyway
3352 status = HTTP_STATUS_OK;
3353 }
3354 else
3355 if (xs_startswith(cmd, "/v1/lists/")) {
3356 if (logged_in) {
3357 xs *l = xs_split(cmd, "/");
3358 const char *p = xs_list_get(l, -1);
3359
3360 if (p) {
3361 if (strcmp(p, "accounts") == 0) {
3362 /* delete account from list */
3363 p = xs_list_get(l, -2);
3364 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3365
3366 if (xs_is_null(accts))
3367 accts = xs_dict_get(args, "account_ids");
3368
3369 int c = 0;
3370 const char *v;
3371
3372 while (xs_list_next(accts, &v, &c)) {
3373 list_content(&snac, p, v, 2);
3374 }
3375 }
3376 else {
3377 /* delete list */
3378 if (xs_is_hex(p)) {
3379 list_maint(&snac, p, 2);
3380 }
3381 }
3382 }
3383
3384 *ctype = "application/json";
3385 status = HTTP_STATUS_OK;
3386 }
3387 else
3388 status = HTTP_STATUS_UNAUTHORIZED;
3389 }
3390
3391 /* user cleanup */
3392 if (logged_in)
3393 user_free(&snac);
3394
3395 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
3396
3397 return status;
3398}
3399
3400
3401int mastoapi_put_handler(const xs_dict *req, const char *q_path,
3402 const char *payload, int p_size,
3403 char **body, int *b_size, char **ctype)
3404{
3405 (void)p_size;
3406 (void)b_size;
3407
3408 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3409 return 0;
3410
3411 int status = HTTP_STATUS_NOT_FOUND;
3412 xs *args = NULL;
3413 const char *i_ctype = xs_dict_get(req, "content-type");
3414
3415 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3416 if (!xs_is_null(payload))
3417 args = xs_json_loads(payload);
3418 }
3419 else
3420 args = xs_dup(xs_dict_get(req, "p_vars"));
3421
3422 if (args == NULL)
3423 return HTTP_STATUS_BAD_REQUEST;
3424
3425 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3426
3427 snac snac = {0};
3428 int logged_in = process_auth_token(&snac, req);
3429
3430 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
3431 if (logged_in) {
3432 xs *l = xs_split(cmd, "/");
3433 const char *stid = xs_list_get(l, 3);
3434
3435 if (!xs_is_null(stid)) {
3436 const char *desc = xs_dict_get(args, "description");
3437
3438 /* set the image metadata */
3439 static_put_meta(&snac, stid, desc);
3440
3441 /* prepare a response */
3442 xs *rsp = xs_dict_new();
3443 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
3444
3445 rsp = xs_dict_append(rsp, "id", stid);
3446 rsp = xs_dict_append(rsp, "type", "image");
3447 rsp = xs_dict_append(rsp, "url", url);
3448 rsp = xs_dict_append(rsp, "preview_url", url);
3449 rsp = xs_dict_append(rsp, "remote_url", url);
3450 rsp = xs_dict_append(rsp, "description", desc);
3451
3452 *body = xs_json_dumps(rsp, 4);
3453 *ctype = "application/json";
3454 status = HTTP_STATUS_OK;
3455 }
3456 }
3457 else
3458 status = HTTP_STATUS_UNAUTHORIZED;
3459 }
3460 else
3461 if (xs_startswith(cmd, "/v1/statuses")) {
3462 if (logged_in) {
3463 xs *l = xs_split(cmd, "/");
3464 const char *mid = xs_list_get(l, 3);
3465
3466 if (!xs_is_null(mid)) {
3467 const char *md5 = MID_TO_MD5(mid);
3468 xs *rsp = NULL;
3469 xs *msg = NULL;
3470
3471 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
3472 const char *content = xs_dict_get(args, "status");
3473 xs *atls = xs_list_new();
3474 xs *f_content = not_really_markdown(content, &atls, NULL);
3475
3476 /* replace fields with new content */
3477 msg = xs_dict_set(msg, "sourceContent", content);
3478 msg = xs_dict_set(msg, "content", f_content);
3479
3480 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
3481 msg = xs_dict_set(msg, "updated", updated);
3482
3483 /* overwrite object, not updating the indexes */
3484 object_add_ow(xs_dict_get(msg, "id"), msg);
3485
3486 /* update message */
3487 xs *c_msg = msg_update(&snac, msg);
3488
3489 enqueue_message(&snac, c_msg);
3490
3491 rsp = mastoapi_status(&snac, msg);
3492 }
3493
3494 if (rsp != NULL) {
3495 *body = xs_json_dumps(rsp, 4);
3496 *ctype = "application/json";
3497 status = HTTP_STATUS_OK;
3498 }
3499 }
3500 }
3501 else
3502 status = HTTP_STATUS_UNAUTHORIZED;
3503 }
3504
3505 /* user cleanup */
3506 if (logged_in)
3507 user_free(&snac);
3508
3509 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
3510
3511 return status;
3512}
3513
3514void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
3515/* Store header or avatar */
3516{
3517 if (data != NULL) {
3518 if (xs_type(data) == XSTYPE_LIST) {
3519 const char *fn = xs_list_get(data, 0);
3520
3521 if (fn && *fn) {
3522 const char *ext = strrchr(fn, '.');
3523
3524 /* Mona iOS sends always jpg as application/octet-stream with no filename */
3525 if (ext == NULL || strcmp(fn, key) == 0) {
3526 ext = ".jpg";
3527 }
3528
3529 /* Make sure we have a unique file name, otherwise updated images will not be
3530 * re-loaded by clients. */
3531 xs *rnd = random_str();
3532 xs *hash = xs_md5_hex(rnd, strlen(rnd));
3533 xs *id = xs_fmt("%s%s", hash, ext);
3534 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
3535 int fo = xs_number_get(xs_list_get(data, 1));
3536 int fs = xs_number_get(xs_list_get(data, 2));
3537
3538 /* store */
3539 static_put(snac, id, payload + fo, fs);
3540
3541 snac->config = xs_dict_set(snac->config, key, url);
3542 }
3543 }
3544 }
3545}
3546
3547int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
3548 const char *payload, int p_size,
3549 char **body, int *b_size, char **ctype)
3550/* Handle profile updates */
3551{
3552 (void)p_size;
3553 (void)b_size;
3554
3555 if (!xs_startswith(q_path, "/api/v1/"))
3556 return 0;
3557
3558 int status = HTTP_STATUS_NOT_FOUND;
3559 xs *args = NULL;
3560 const char *i_ctype = xs_dict_get(req, "content-type");
3561
3562 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3563 if (!xs_is_null(payload))
3564 args = xs_json_loads(payload);
3565 }
3566 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3567 {
3568 // Some apps send form data instead of json so we should cater for those
3569 if (!xs_is_null(payload)) {
3570 args = xs_url_vars(payload);
3571 }
3572 }
3573 else
3574 args = xs_dup(xs_dict_get(req, "p_vars"));
3575
3576 if (args == NULL)
3577 return HTTP_STATUS_BAD_REQUEST;
3578
3579 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3580
3581 snac snac = {0};
3582 int logged_in = process_auth_token(&snac, req);
3583
3584 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) {
3585 /* Update user profile fields */
3586 if (logged_in) {
3587 int c = 0;
3588 const xs_str *k;
3589 const xs_val *v;
3590 const xs_str *field_name = NULL;
3591 xs *new_fields = xs_dict_new();
3592 while (xs_dict_next(args, &k, &v, &c)) {
3593 if (strcmp(k, "display_name") == 0) {
3594 if (v != NULL)
3595 snac.config = xs_dict_set(snac.config, "name", v);
3596 }
3597 else
3598 if (strcmp(k, "note") == 0) {
3599 if (v != NULL)
3600 snac.config = xs_dict_set(snac.config, "bio", v);
3601 }
3602 else
3603 if (strcmp(k, "bot") == 0) {
3604 if (v != NULL)
3605 snac.config = xs_dict_set(snac.config, "bot",
3606 (strcmp(v, "true") == 0 ||
3607 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3608 }
3609 else
3610 if (strcmp(k, "source[sensitive]") == 0) {
3611 if (v != NULL)
3612 snac.config = xs_dict_set(snac.config, "cw",
3613 strcmp(v, "true") == 0 ? "open" : "");
3614 }
3615 else
3616 if (strcmp(k, "source[privacy]") == 0) {
3617 if (v != NULL)
3618 snac.config = xs_dict_set(snac.config, "private",
3619 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3620 }
3621 else
3622 if (strcmp(k, "header") == 0) {
3623 persist_image("header", v, payload, &snac);
3624 }
3625 else
3626 if (strcmp(k, "avatar") == 0) {
3627 persist_image("avatar", v, payload, &snac);
3628 }
3629 else
3630 if (xs_between("fields_attributes", k, "[name]")) {
3631 field_name = strcmp(v, "") != 0 ? v : NULL;
3632 }
3633 else
3634 if (xs_between("fields_attributes", k, "[value]")) {
3635 if (field_name != NULL) {
3636 new_fields = xs_dict_set(new_fields, field_name, v);
3637 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
3638 }
3639 }
3640 /* we don't have support for the following options, yet
3641 - discoverable (0/1)
3642 - locked (0/1)
3643 */
3644 }
3645
3646 /* Persist profile */
3647 if (user_persist(&snac, 1) == 0)
3648 credentials_get(body, ctype, &status, snac);
3649 else
3650 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
3651 }
3652 else
3653 status = HTTP_STATUS_UNAUTHORIZED;
3654 }
3655
3656 /* user cleanup */
3657 if (logged_in)
3658 user_free(&snac);
3659
3660 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
3661
3662 return status;
3663}
3664
3665
3666void mastoapi_purge(void)
3667{
3668 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
3669 xs *files = xs_glob(spec, 1, 0);
3670 xs_list *p = files;
3671 const xs_str *v;
3672
3673 time_t mt = time(NULL) - 3600;
3674
3675 while (xs_list_iter(&p, &v)) {
3676 xs *cid = xs_replace(v, ".json", "");
3677 xs *fn = _app_fn(cid);
3678
3679 if (mtime(fn) < mt) {
3680 /* get the app */
3681 xs *app = app_get(cid);
3682
3683 if (app) {
3684 /* old apps with no uid are incomplete cruft */
3685 const char *uid = xs_dict_get(app, "uid");
3686
3687 if (xs_is_null(uid) || *uid == '\0') {
3688 unlink(fn);
3689 srv_debug(2, xs_fmt("purged %s", fn));
3690 }
3691 }
3692 }
3693 }
3694}
3695
3696
3697#endif /* #ifndef NO_MASTODON_API */
