2.74
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
19#include "snac.h"
20
21#include <sys/time.h>
22
23static xs_str *random_str(void)
24/* just what is says in the tin */
25{
26 unsigned int data[4] = {0};
27
28 xs_rnd_buf(data, sizeof(data));
29 return xs_hex_enc((char *)data, sizeof(data));
30}
31
32
33int app_add(const char *id, const xs_dict *app)
34/* stores an app */
35{
36 if (!xs_is_hex(id))
37 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
38
39 int status = HTTP_STATUS_CREATED;
40 xs *fn = xs_fmt("%s/app/", srv_basedir);
41 FILE *f;
42
43 mkdirx(fn);
44 fn = xs_str_cat(fn, id);
45 fn = xs_str_cat(fn, ".json");
46
47 if ((f = fopen(fn, "w")) != NULL) {
48 xs_json_dump(app, 4, f);
49 fclose(f);
50 }
51 else
52 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
53
54 return status;
55}
56
57
58xs_str *_app_fn(const char *id)
59{
60 return xs_fmt("%s/app/%s.json", srv_basedir, id);
61}
62
63
64xs_dict *app_get(const char *id)
65/* gets an app */
66{
67 if (!xs_is_hex(id))
68 return NULL;
69
70 xs *fn = _app_fn(id);
71 xs_dict *app = NULL;
72 FILE *f;
73
74 if ((f = fopen(fn, "r")) != NULL) {
75 app = xs_json_load(f);
76 fclose(f);
77
78 }
79
80 return app;
81}
82
83
84int app_del(const char *id)
85/* deletes an app */
86{
87 if (!xs_is_hex(id))
88 return -1;
89
90 xs *fn = _app_fn(id);
91
92 return unlink(fn);
93}
94
95
96int token_add(const char *id, const xs_dict *token)
97/* stores a token */
98{
99 if (!xs_is_hex(id))
100 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
101
102 int status = HTTP_STATUS_CREATED;
103 xs *fn = xs_fmt("%s/token/", srv_basedir);
104 FILE *f;
105
106 mkdirx(fn);
107 fn = xs_str_cat(fn, id);
108 fn = xs_str_cat(fn, ".json");
109
110 if ((f = fopen(fn, "w")) != NULL) {
111 xs_json_dump(token, 4, f);
112 fclose(f);
113 }
114 else
115 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
116
117 return status;
118}
119
120
121xs_dict *token_get(const char *id)
122/* gets a token */
123{
124 if (!xs_is_hex(id))
125 return NULL;
126
127 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
128 xs_dict *token = NULL;
129 FILE *f;
130
131 if ((f = fopen(fn, "r")) != NULL) {
132 token = xs_json_load(f);
133 fclose(f);
134
135 /* 'touch' the file */
136 utimes(fn, NULL);
137
138 /* also 'touch' the app */
139 const char *app_id = xs_dict_get(token, "client_id");
140
141 if (app_id) {
142 xs *afn = xs_fmt("%s/app/%s.json", srv_basedir, app_id);
143 utimes(afn, NULL);
144 }
145 }
146
147 return token;
148}
149
150
151int token_del(const char *id)
152/* deletes a token */
153{
154 if (!xs_is_hex(id))
155 return -1;
156
157 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
158
159 return unlink(fn);
160}
161
162
163const char *login_page = ""
164"<!DOCTYPE html>\n"
165"<html>\n"
166"<head>\n"
167"<title>%s OAuth - Snac2</title>\n"
168"<meta content=\"width=device-width, initial-scale=1, minimum-scale=1, user-scalable=no\" name=\"viewport\">"
169"<style>:root {color-scheme: light dark}</style>\n"
170"</head>\n"
171"<body><h1>%s OAuth identify</h1>\n"
172"<div style=\"background-color: red; color: white\">%s</div>\n"
173"<form method=\"post\" action=\"%s:/" "/%s/%s\">\n"
174"<p>Login: <input type=\"text\" name=\"login\" autocapitalize=\"off\"></p>\n"
175"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
176"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
177"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
178"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
179"<input type=\"submit\" value=\"OK\">\n"
180"</form><p>%s</p></body></html>\n"
181"";
182
183int oauth_get_handler(const xs_dict *req, const char *q_path,
184 char **body, int *b_size, char **ctype)
185{
186 (void)b_size;
187
188 if (!xs_startswith(q_path, "/oauth/"))
189 return 0;
190
191 int status = HTTP_STATUS_NOT_FOUND;
192 const xs_dict *msg = xs_dict_get(req, "q_vars");
193 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
194
195 srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
196
197 if (strcmp(cmd, "/authorize") == 0) { /** **/
198 const char *cid = xs_dict_get(msg, "client_id");
199 const char *ruri = xs_dict_get(msg, "redirect_uri");
200 const char *rtype = xs_dict_get(msg, "response_type");
201 const char *state = xs_dict_get(msg, "state");
202
203 status = HTTP_STATUS_BAD_REQUEST;
204
205 if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
206 xs *app = app_get(cid);
207
208 if (app != NULL) {
209 const char *host = xs_dict_get(srv_config, "host");
210 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
211
212 if (xs_is_null(state))
213 state = "";
214
215 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
216 ruri, cid, state, USER_AGENT);
217 *ctype = "text/html";
218 status = HTTP_STATUS_OK;
219
220 srv_debug(1, xs_fmt("oauth authorize: generating login page"));
221 }
222 else
223 srv_debug(1, xs_fmt("oauth authorize: bad client_id %s", cid));
224 }
225 else
226 srv_debug(1, xs_fmt("oauth authorize: invalid or unset arguments"));
227 }
228 else
229 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
230 const char *host = xs_dict_get(srv_config, "host");
231 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
232
233 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
234 "", "", "", USER_AGENT);
235 *ctype = "text/html";
236 status = HTTP_STATUS_OK;
237
238 }
239
240 return status;
241}
242
243
244int oauth_post_handler(const xs_dict *req, const char *q_path,
245 const char *payload, int p_size,
246 char **body, int *b_size, char **ctype)
247{
248 (void)p_size;
249 (void)b_size;
250
251 if (!xs_startswith(q_path, "/oauth/"))
252 return 0;
253
254 int status = HTTP_STATUS_NOT_FOUND;
255
256 const char *i_ctype = xs_dict_get(req, "content-type");
257 xs *args = NULL;
258
259 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
260 if (!xs_is_null(payload))
261 args = xs_json_loads(payload);
262 }
263 else
264 if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded") && payload) {
265 args = xs_url_vars(payload);
266 }
267 else
268 args = xs_dup(xs_dict_get(req, "p_vars"));
269
270 if (args == NULL)
271 return HTTP_STATUS_BAD_REQUEST;
272
273 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
274
275 srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
276
277 if (strcmp(cmd, "/x-snac-login") == 0) { /** **/
278 const char *login = xs_dict_get(args, "login");
279 const char *passwd = xs_dict_get(args, "passwd");
280 const char *redir = xs_dict_get(args, "redir");
281 const char *cid = xs_dict_get(args, "cid");
282 const char *state = xs_dict_get(args, "state");
283 const char *host = xs_dict_get(srv_config, "host");
284 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
285
286 /* by default, generate another login form with an error */
287 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
288 redir, cid, state, USER_AGENT);
289 *ctype = "text/html";
290 status = HTTP_STATUS_OK;
291
292 if (login && passwd && redir && cid) {
293 snac snac;
294
295 if (user_open(&snac, login)) {
296 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
297 xs_dict_get(req, "x-forwarded-for"));
298
299 if (badlogin_check(login, addr)) {
300 /* check the login + password */
301 if (check_password(login, passwd, xs_dict_get(snac.config, "passwd"))) {
302 /* success! redirect to the desired uri */
303 xs *code = random_str();
304
305 xs_free(*body);
306
307 if (strcmp(redir, "urn:ietf:wg:oauth:2.0:oob") == 0) {
308 *body = xs_dup(code);
309 }
310 else {
311 if (xs_str_in(redir, "?") != -1)
312 *body = xs_fmt("%s&code=%s", redir, code);
313 else
314 *body = xs_fmt("%s?code=%s", redir, code);
315
316 status = HTTP_STATUS_SEE_OTHER;
317 }
318
319 /* if there is a state, add it */
320 if (!xs_is_null(state) && *state) {
321 *body = xs_str_cat(*body, "&state=");
322 *body = xs_str_cat(*body, state);
323 }
324
325 srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
326 login, *body));
327
328 /* assign the login to the app */
329 xs *app = app_get(cid);
330
331 if (app != NULL) {
332 app = xs_dict_set(app, "uid", login);
333 app = xs_dict_set(app, "code", code);
334 app_add(cid, app);
335 }
336 else
337 srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
338 }
339 else {
340 srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
341 badlogin_inc(login, addr);
342 }
343 }
344
345 user_free(&snac);
346 }
347 else
348 srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
349 }
350 else
351 srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
352 }
353 else
354 if (strcmp(cmd, "/token") == 0) { /** **/
355 xs *wrk = NULL;
356 const char *gtype = xs_dict_get(args, "grant_type");
357 const char *code = xs_dict_get(args, "code");
358 const char *cid = xs_dict_get(args, "client_id");
359 const char *csec = xs_dict_get(args, "client_secret");
360 const char *ruri = xs_dict_get(args, "redirect_uri");
361 const char *scope = xs_dict_get(args, "scope");
362
363 /* no client_secret? check if it's inside an authorization header
364 (AndStatus does it this way) */
365 if (xs_is_null(csec)) {
366 const char *auhdr = xs_dict_get(req, "authorization");
367
368 if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
369 xs *s1 = xs_replace_n(auhdr, "Basic ", "", 1);
370 int size;
371 xs *s2 = xs_base64_dec(s1, &size);
372
373 if (!xs_is_null(s2)) {
374 xs *l1 = xs_split(s2, ":");
375
376 if (xs_list_len(l1) == 2) {
377 wrk = xs_dup(xs_list_get(l1, 1));
378 csec = wrk;
379 }
380 }
381 }
382 }
383
384 /* no code?
385 I'm not sure of the impacts of this right now, but Subway Tooter does not
386 provide a code so one must be generated */
387 if (xs_is_null(code)){
388 code = random_str();
389 }
390 if (gtype && code && cid && csec && ruri) {
391 xs *app = app_get(cid);
392
393 if (app == NULL) {
394 status = HTTP_STATUS_UNAUTHORIZED;
395 srv_log(xs_fmt("oauth token: invalid app %s", cid));
396 }
397 else
398 if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
399 status = HTTP_STATUS_UNAUTHORIZED;
400 srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
401 }
402 else {
403 xs *rsp = xs_dict_new();
404 xs *cat = xs_number_new(time(NULL));
405 xs *tokid = random_str();
406
407 rsp = xs_dict_append(rsp, "access_token", tokid);
408 rsp = xs_dict_append(rsp, "token_type", "Bearer");
409 rsp = xs_dict_append(rsp, "created_at", cat);
410
411 if (!xs_is_null(scope))
412 rsp = xs_dict_append(rsp, "scope", scope);
413
414 *body = xs_json_dumps(rsp, 4);
415 *ctype = "application/json";
416 status = HTTP_STATUS_OK;
417
418 const char *uid = xs_dict_get(app, "uid");
419
420 srv_debug(1, xs_fmt("oauth token: "
421 "successful login for %s, new token %s", uid, tokid));
422
423 xs *token = xs_dict_new();
424 token = xs_dict_append(token, "token", tokid);
425 token = xs_dict_append(token, "client_id", cid);
426 token = xs_dict_append(token, "client_secret", csec);
427 token = xs_dict_append(token, "uid", uid);
428 token = xs_dict_append(token, "code", code);
429
430 token_add(tokid, token);
431 }
432 }
433 else {
434 srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
435 status = HTTP_STATUS_BAD_REQUEST;
436 }
437 }
438 else
439 if (strcmp(cmd, "/revoke") == 0) { /** **/
440 const char *cid = xs_dict_get(args, "client_id");
441 const char *csec = xs_dict_get(args, "client_secret");
442 const char *tokid = xs_dict_get(args, "token");
443
444 if (cid && csec && tokid) {
445 xs *token = token_get(tokid);
446
447 *body = xs_str_new("{}");
448 *ctype = "application/json";
449
450 if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
451 srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
452 status = HTTP_STATUS_FORBIDDEN;
453 }
454 else {
455 token_del(tokid);
456 srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
457 status = HTTP_STATUS_OK;
458
459 /* also delete the app, as it serves no purpose from now on */
460 app_del(cid);
461 }
462 }
463 else {
464 srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
465 status = HTTP_STATUS_FORBIDDEN;
466 }
467 }
468 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
469 const char *login = xs_dict_get(args, "login");
470 const char *passwd = xs_dict_get(args, "passwd");
471 const char *host = xs_dict_get(srv_config, "host");
472 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
473
474 /* by default, generate another login form with an error */
475 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
476 "", "", "", USER_AGENT);
477 *ctype = "text/html";
478 status = HTTP_STATUS_OK;
479
480 if (login && passwd) {
481 snac user;
482
483 if (user_open(&user, login)) {
484 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
485 xs_dict_get(req, "x-forwarded-for"));
486
487 if (badlogin_check(login, addr)) {
488 /* check the login + password */
489 if (check_password(login, passwd, xs_dict_get(user.config, "passwd"))) {
490 /* success! create a new token */
491 xs *tokid = random_str();
492
493 srv_debug(1, xs_fmt("x-snac-new-token: "
494 "successful login for %s, new token %s", login, tokid));
495
496 xs *token = xs_dict_new();
497 token = xs_dict_append(token, "token", tokid);
498 token = xs_dict_append(token, "client_id", "snac-client");
499 token = xs_dict_append(token, "client_secret", "");
500 token = xs_dict_append(token, "uid", login);
501 token = xs_dict_append(token, "code", "");
502
503 token_add(tokid, token);
504
505 *ctype = "text/plain";
506 xs_free(*body);
507 *body = xs_dup(tokid);
508 }
509 else
510 badlogin_inc(login, addr);
511
512 user_free(&user);
513 }
514 }
515 }
516 }
517
518 return status;
519}
520
521
522xs_str *mastoapi_id(const xs_dict *msg)
523/* returns a somewhat Mastodon-compatible status id */
524{
525 const char *id = xs_dict_get(msg, "id");
526 xs *md5 = xs_md5_hex(id, strlen(id));
527
528 return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
529}
530
531#define MID_TO_MD5(id) (id + 10)
532
533
534xs_dict *mastoapi_account(snac *logged, const xs_dict *actor)
535/* converts an ActivityPub actor to a Mastodon account */
536{
537 const char *id = xs_dict_get(actor, "id");
538 const char *pub = xs_dict_get(actor, "published");
539 const char *proxy = NULL;
540
541 if (xs_type(id) != XSTYPE_STRING)
542 return NULL;
543
544 if (logged && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
545 proxy = logged->actor;
546
547 const char *prefu = xs_dict_get(actor, "preferredUsername");
548
549 const char *display_name = xs_dict_get(actor, "name");
550 if (xs_is_null(display_name) || *display_name == '\0')
551 display_name = prefu;
552
553 xs_dict *acct = xs_dict_new();
554 xs *acct_md5 = xs_md5_hex(id, strlen(id));
555 acct = xs_dict_append(acct, "id", acct_md5);
556 acct = xs_dict_append(acct, "username", prefu);
557 acct = xs_dict_append(acct, "display_name", display_name);
558 acct = xs_dict_append(acct, "discoverable", xs_stock(XSTYPE_TRUE));
559 acct = xs_dict_append(acct, "group", xs_stock(XSTYPE_FALSE));
560 acct = xs_dict_append(acct, "hide_collections", xs_stock(XSTYPE_FALSE));
561 acct = xs_dict_append(acct, "indexable", xs_stock(XSTYPE_TRUE));
562 acct = xs_dict_append(acct, "noindex", xs_stock(XSTYPE_FALSE));
563 acct = xs_dict_append(acct, "roles", xs_stock(XSTYPE_LIST));
564
565 {
566 /* create the acct field as user@host */
567 xs *l = xs_split(id, "/");
568 xs *fquid = xs_fmt("%s@%s", prefu, xs_list_get(l, 2));
569 acct = xs_dict_append(acct, "acct", fquid);
570 }
571
572 if (pub)
573 acct = xs_dict_append(acct, "created_at", pub);
574 else {
575 /* unset created_at crashes Tusky, so lie like a mf */
576 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
577 acct = xs_dict_append(acct, "created_at", date);
578 }
579
580 xs *last_status_at = xs_str_utctime(0, "%Y-%m-%d");
581 acct = xs_dict_append(acct, "last_status_at", last_status_at);
582
583 const char *note = xs_dict_get(actor, "summary");
584 if (xs_is_null(note))
585 note = "";
586
587 if (strcmp(xs_dict_get(actor, "type"), "Service") == 0)
588 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_TRUE));
589 else
590 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_FALSE));
591
592 acct = xs_dict_append(acct, "note", note);
593
594 acct = xs_dict_append(acct, "url", id);
595 acct = xs_dict_append(acct, "uri", id);
596
597 xs *avatar = NULL;
598 const xs_dict *av = xs_dict_get(actor, "icon");
599
600 if (xs_type(av) == XSTYPE_DICT) {
601 const char *url = xs_dict_get(av, "url");
602
603 if (url != NULL)
604 avatar = make_url(url, proxy, 1);
605 }
606
607 if (avatar == NULL)
608 avatar = xs_fmt("%s/susie.png", srv_baseurl);
609
610 acct = xs_dict_append(acct, "avatar", avatar);
611 acct = xs_dict_append(acct, "avatar_static", avatar);
612
613 xs *header = NULL;
614 const xs_dict *hd = xs_dict_get(actor, "image");
615
616 if (xs_type(hd) == XSTYPE_DICT)
617 header = make_url(xs_dict_get(hd, "url"), proxy, 1);
618
619 if (xs_is_null(header))
620 header = xs_str_new(NULL);
621
622 acct = xs_dict_append(acct, "header", header);
623 acct = xs_dict_append(acct, "header_static", header);
624
625 /* emojis */
626 const xs_list *p;
627 if (!xs_is_null(p = xs_dict_get(actor, "tag"))) {
628 xs *eml = xs_list_new();
629 const xs_dict *v;
630 int c = 0;
631
632 while (xs_list_next(p, &v, &c)) {
633 const char *type = xs_dict_get(v, "type");
634
635 if (!xs_is_null(type) && strcmp(type, "Emoji") == 0) {
636 const char *name = xs_dict_get(v, "name");
637 const xs_dict *icon = xs_dict_get(v, "icon");
638
639 if (!xs_is_null(name) && !xs_is_null(icon)) {
640 const char *o_url = xs_dict_get(icon, "url");
641
642 if (!xs_is_null(o_url)) {
643 xs *url = make_url(o_url, proxy, 1);
644 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
645 xs *d1 = xs_dict_new();
646
647 d1 = xs_dict_append(d1, "shortcode", nm);
648 d1 = xs_dict_append(d1, "url", url);
649 d1 = xs_dict_append(d1, "static_url", url);
650 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
651
652 eml = xs_list_append(eml, d1);
653 }
654 }
655 }
656 }
657
658 acct = xs_dict_append(acct, "emojis", eml);
659 }
660
661 acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
662 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
663 acct = xs_dict_append(acct, "following_count", xs_stock(0));
664 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
665
666 xs *fields = xs_list_new();
667 p = xs_dict_get(actor, "attachment");
668 const xs_dict *v;
669
670 /* dict of validated links */
671 xs_dict *val_links = NULL;
672 const xs_dict *metadata = xs_stock(XSTYPE_DICT);
673 snac user = {0};
674
675 if (xs_startswith(id, srv_baseurl)) {
676 /* if it's a local user, open it and pick its validated links */
677 if (user_open(&user, prefu)) {
678 val_links = user.links;
679 metadata = xs_dict_get_def(user.config, "metadata", xs_stock(XSTYPE_DICT));
680
681 /* does this user want to publish their contact metrics? */
682 if (xs_is_true(xs_dict_get(user.config, "show_contact_metrics"))) {
683 xs *fwing = following_list(&user);
684 xs *fwers = follower_list(&user);
685 xs *ni = xs_number_new(xs_list_len(fwing));
686 xs *ne = xs_number_new(xs_list_len(fwers));
687
688 acct = xs_dict_append(acct, "followers_count", ne);
689 acct = xs_dict_append(acct, "following_count", ni);
690 }
691 }
692 }
693
694 if (xs_is_null(val_links))
695 val_links = xs_stock(XSTYPE_DICT);
696
697 int c = 0;
698 while (xs_list_next(p, &v, &c)) {
699 const char *type = xs_dict_get(v, "type");
700 const char *name = xs_dict_get(v, "name");
701 const char *value = xs_dict_get(v, "value");
702
703 if (!xs_is_null(type) && !xs_is_null(name) &&
704 !xs_is_null(value) && strcmp(type, "PropertyValue") == 0) {
705 xs *val_date = NULL;
706
707 const char *url = xs_dict_get(metadata, name);
708
709 if (!xs_is_null(url) && xs_startswith(url, "https:/" "/")) {
710 const xs_number *verified_time = xs_dict_get(val_links, url);
711 if (xs_type(verified_time) == XSTYPE_NUMBER) {
712 time_t t = xs_number_get(verified_time);
713
714 if (t > 0)
715 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
716 }
717 }
718
719 xs *d = xs_dict_new();
720
721 d = xs_dict_append(d, "name", name);
722 d = xs_dict_append(d, "value", value);
723 d = xs_dict_append(d, "verified_at",
724 xs_type(val_date) == XSTYPE_STRING && *val_date ?
725 val_date : xs_stock(XSTYPE_NULL));
726
727 fields = xs_list_append(fields, d);
728 }
729 }
730
731 user_free(&user);
732
733 acct = xs_dict_append(acct, "fields", fields);
734
735 return acct;
736}
737
738
739xs_str *mastoapi_date(const char *date)
740/* converts an ISO 8601 date to whatever format Mastodon uses */
741{
742 xs_str *s = xs_crop_i(xs_dup(date), 0, 19);
743 s = xs_str_cat(s, ".000Z");
744
745 return s;
746}
747
748
749xs_dict *mastoapi_poll(snac *snac, const xs_dict *msg)
750/* creates a mastoapi Poll object */
751{
752 xs_dict *poll = xs_dict_new();
753 xs *mid = mastoapi_id(msg);
754 const xs_list *opts = NULL;
755 const xs_val *v;
756 int num_votes = 0;
757 xs *options = xs_list_new();
758
759 poll = xs_dict_append(poll, "id", mid);
760 const char *date = xs_dict_get(msg, "endTime");
761 if (date == NULL)
762 date = xs_dict_get(msg, "closed");
763 if (date == NULL)
764 return NULL;
765
766 xs *fd = mastoapi_date(date);
767 poll = xs_dict_append(poll, "expires_at", fd);
768
769 date = xs_dict_get(msg, "closed");
770 time_t t = 0;
771
772 if (date != NULL)
773 t = xs_parse_iso_date(date, 0);
774
775 poll = xs_dict_append(poll, "expired",
776 t < time(NULL) ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
777
778 if ((opts = xs_dict_get(msg, "oneOf")) != NULL)
779 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_FALSE));
780 else {
781 opts = xs_dict_get(msg, "anyOf");
782 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_TRUE));
783 }
784
785 int c = 0;
786 while (xs_list_next(opts, &v, &c)) {
787 const char *title = xs_dict_get(v, "name");
788 const char *replies = xs_dict_get(v, "replies");
789
790 if (title && replies) {
791 const char *votes_count = xs_dict_get(replies, "totalItems");
792
793 if (xs_type(votes_count) == XSTYPE_NUMBER) {
794 xs *d = xs_dict_new();
795 d = xs_dict_append(d, "title", title);
796 d = xs_dict_append(d, "votes_count", votes_count);
797
798 options = xs_list_append(options, d);
799 num_votes += xs_number_get(votes_count);
800 }
801 }
802 }
803
804 poll = xs_dict_append(poll, "options", options);
805 xs *vc = xs_number_new(num_votes);
806 poll = xs_dict_append(poll, "votes_count", vc);
807
808 poll = xs_dict_append(poll, "emojis", xs_stock(XSTYPE_LIST));
809
810 poll = xs_dict_append(poll, "voted",
811 (snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ?
812 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
813
814 return poll;
815}
816
817
818xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
819/* converts an ActivityPub note to a Mastodon status */
820{
821 xs *actor = NULL;
822 actor_get_refresh(snac, get_atto(msg), &actor);
823 const char *proxy = NULL;
824
825 /* if the author is not here, discard */
826 if (actor == NULL)
827 return NULL;
828
829 if (snac && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
830 proxy = snac->actor;
831
832 const char *type = xs_dict_get(msg, "type");
833 const char *id = xs_dict_get(msg, "id");
834
835 /* fail if it's not a valid actor */
836 if (xs_is_null(type) || xs_is_null(id))
837 return NULL;
838
839 xs *acct = mastoapi_account(snac, actor);
840 if (acct == NULL)
841 return NULL;
842
843 xs *idx = NULL;
844 xs *ixc = NULL;
845 const char *tmp;
846 xs *mid = mastoapi_id(msg);
847
848 xs_dict *st = xs_dict_new();
849
850 st = xs_dict_append(st, "id", mid);
851 st = xs_dict_append(st, "uri", id);
852 st = xs_dict_append(st, "url", id);
853 st = xs_dict_append(st, "account", acct);
854
855 const char *published = xs_dict_get(msg, "published");
856 xs *fd = NULL;
857
858 if (published)
859 fd = mastoapi_date(published);
860 else {
861 xs *p = xs_str_iso_date(0);
862 fd = mastoapi_date(p);
863 }
864
865 st = xs_dict_append(st, "created_at", fd);
866
867 {
868 const char *content = xs_dict_get(msg, "content");
869 const char *name = xs_dict_get(msg, "name");
870 xs *s1 = NULL;
871
872 if (name && content)
873 s1 = xs_fmt("%s<br><br>%s", name, content);
874 else
875 if (name)
876 s1 = xs_dup(name);
877 else
878 if (content)
879 s1 = xs_dup(content);
880 else
881 s1 = xs_str_new(NULL);
882
883 st = xs_dict_append(st, "content", s1);
884 }
885
886 st = xs_dict_append(st, "visibility",
887 is_msg_public(msg) ? "public" : "private");
888
889 tmp = xs_dict_get(msg, "sensitive");
890 if (xs_is_null(tmp))
891 tmp = xs_stock(XSTYPE_FALSE);
892
893 st = xs_dict_append(st, "sensitive", tmp);
894
895 tmp = xs_dict_get(msg, "summary");
896 if (xs_is_null(tmp))
897 tmp = "";
898
899 st = xs_dict_append(st, "spoiler_text", tmp);
900
901 /* create the list of attachments */
902 xs *attach = get_attachments(msg);
903
904 {
905 xs_list *p = attach;
906 const xs_dict *v;
907
908 xs *matt = xs_list_new();
909
910 while (xs_list_iter(&p, &v)) {
911 const char *type = xs_dict_get(v, "type");
912 const char *o_href = xs_dict_get(v, "href");
913 const char *name = xs_dict_get(v, "name");
914
915 if (xs_match(type, "image/*|video/*|audio/*|Image|Video")) { /* */
916 xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
917 xs *href = make_url(o_href, proxy, 1);
918
919 xs *d = xs_dict_new();
920
921 d = xs_dict_append(d, "id", matteid);
922 d = xs_dict_append(d, "url", href);
923 d = xs_dict_append(d, "preview_url", href);
924 d = xs_dict_append(d, "remote_url", href);
925 d = xs_dict_append(d, "description", name);
926
927 d = xs_dict_append(d, "type", (*type == 'v' || *type == 'V') ? "video" :
928 (*type == 'a' || *type == 'A') ? "audio" : "image");
929
930 matt = xs_list_append(matt, d);
931 }
932 }
933
934 st = xs_dict_append(st, "media_attachments", matt);
935 }
936
937 {
938 xs *ml = xs_list_new();
939 xs *htl = xs_list_new();
940 xs *eml = xs_list_new();
941 const xs_list *tag = xs_dict_get(msg, "tag");
942 int n = 0;
943
944 xs *tag_list = NULL;
945
946 if (xs_type(tag) == XSTYPE_DICT) {
947 tag_list = xs_list_new();
948 tag_list = xs_list_append(tag_list, tag);
949 }
950 else
951 if (xs_type(tag) == XSTYPE_LIST)
952 tag_list = xs_dup(tag);
953 else
954 tag_list = xs_list_new();
955
956 tag = tag_list;
957 const xs_dict *v;
958
959 int c = 0;
960 while (xs_list_next(tag, &v, &c)) {
961 const char *type = xs_dict_get(v, "type");
962
963 if (xs_is_null(type))
964 continue;
965
966 xs *d1 = xs_dict_new();
967
968 if (strcmp(type, "Mention") == 0) {
969 const char *name = xs_dict_get(v, "name");
970 const char *href = xs_dict_get(v, "href");
971
972 if (!xs_is_null(name) && !xs_is_null(href) &&
973 (snac == NULL || strcmp(href, snac->actor) != 0)) {
974 xs *nm = xs_strip_chars_i(xs_dup(name), "@");
975
976 xs *id = xs_fmt("%d", n++);
977 d1 = xs_dict_append(d1, "id", id);
978 d1 = xs_dict_append(d1, "username", nm);
979 d1 = xs_dict_append(d1, "acct", nm);
980 d1 = xs_dict_append(d1, "url", href);
981
982 ml = xs_list_append(ml, d1);
983 }
984 }
985 else
986 if (strcmp(type, "Hashtag") == 0) {
987 const char *name = xs_dict_get(v, "name");
988 const char *href = xs_dict_get(v, "href");
989
990 if (!xs_is_null(name) && !xs_is_null(href)) {
991 xs *nm = xs_strip_chars_i(xs_dup(name), "#");
992
993 d1 = xs_dict_append(d1, "name", nm);
994 d1 = xs_dict_append(d1, "url", href);
995
996 htl = xs_list_append(htl, d1);
997 }
998 }
999 else
1000 if (strcmp(type, "Emoji") == 0) {
1001 const char *name = xs_dict_get(v, "name");
1002 const xs_dict *icon = xs_dict_get(v, "icon");
1003
1004 if (!xs_is_null(name) && !xs_is_null(icon)) {
1005 const char *o_url = xs_dict_get(icon, "url");
1006
1007 if (!xs_is_null(o_url)) {
1008 xs *url = make_url(o_url, snac ? snac->actor : NULL, 1);
1009 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
1010
1011 d1 = xs_dict_append(d1, "shortcode", nm);
1012 d1 = xs_dict_append(d1, "url", url);
1013 d1 = xs_dict_append(d1, "static_url", url);
1014 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1015 d1 = xs_dict_append(d1, "category", "Emojis");
1016
1017 eml = xs_list_append(eml, d1);
1018 }
1019 }
1020 }
1021 }
1022
1023 st = xs_dict_append(st, "mentions", ml);
1024 st = xs_dict_append(st, "tags", htl);
1025 st = xs_dict_append(st, "emojis", eml);
1026 }
1027
1028 xs_free(idx);
1029 xs_free(ixc);
1030 idx = object_likes(id);
1031 ixc = xs_number_new(xs_list_len(idx));
1032
1033 st = xs_dict_append(st, "favourites_count", ixc);
1034 st = xs_dict_append(st, "favourited",
1035 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1036
1037 xs_free(idx);
1038 xs_free(ixc);
1039 idx = object_announces(id);
1040 ixc = xs_number_new(xs_list_len(idx));
1041
1042 st = xs_dict_append(st, "reblogs_count", ixc);
1043 st = xs_dict_append(st, "reblogged",
1044 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1045
1046 /* get the last person who boosted this */
1047 xs *boosted_by_md5 = NULL;
1048 if (xs_list_len(idx))
1049 boosted_by_md5 = xs_dup(xs_list_get(idx, -1));
1050
1051 xs_free(idx);
1052 xs_free(ixc);
1053 idx = object_children(id);
1054 ixc = xs_number_new(xs_list_len(idx));
1055
1056 st = xs_dict_append(st, "replies_count", ixc);
1057
1058 /* default in_reply_to values */
1059 st = xs_dict_append(st, "in_reply_to_id", xs_stock(XSTYPE_NULL));
1060 st = xs_dict_append(st, "in_reply_to_account_id", xs_stock(XSTYPE_NULL));
1061
1062 tmp = get_in_reply_to(msg);
1063 if (!xs_is_null(tmp)) {
1064 xs *irto = NULL;
1065
1066 if (valid_status(object_get(tmp, &irto))) {
1067 xs *irt_mid = mastoapi_id(irto);
1068 st = xs_dict_set(st, "in_reply_to_id", irt_mid);
1069
1070 const char *at = NULL;
1071 if (!xs_is_null(at = get_atto(irto))) {
1072 xs *at_md5 = xs_md5_hex(at, strlen(at));
1073 st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
1074 }
1075 }
1076 }
1077
1078 st = xs_dict_append(st, "reblog", xs_stock(XSTYPE_NULL));
1079 st = xs_dict_append(st, "card", xs_stock(XSTYPE_NULL));
1080 st = xs_dict_append(st, "language", "en");
1081
1082 st = xs_dict_append(st, "filtered", xs_stock(XSTYPE_LIST));
1083 st = xs_dict_append(st, "muted", xs_stock(XSTYPE_FALSE));
1084
1085 tmp = xs_dict_get(msg, "sourceContent");
1086 if (xs_is_null(tmp))
1087 tmp = "";
1088
1089 st = xs_dict_append(st, "text", tmp);
1090
1091 tmp = xs_dict_get(msg, "updated");
1092 xs *fd2 = NULL;
1093 if (xs_is_null(tmp))
1094 tmp = xs_stock(XSTYPE_NULL);
1095 else {
1096 fd2 = mastoapi_date(tmp);
1097 tmp = fd2;
1098 }
1099
1100 st = xs_dict_append(st, "edited_at", tmp);
1101
1102 if (strcmp(type, "Question") == 0) {
1103 xs *poll = mastoapi_poll(snac, msg);
1104 st = xs_dict_append(st, "poll", poll);
1105 }
1106 else
1107 st = xs_dict_append(st, "poll", xs_stock(XSTYPE_NULL));
1108
1109 st = xs_dict_append(st, "bookmarked",
1110 (snac && is_bookmarked(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1111
1112 st = xs_dict_append(st, "pinned",
1113 (snac && is_pinned(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1114
1115 /* is it a boost? */
1116 if (!xs_is_null(boosted_by_md5)) {
1117 /* create a new dummy status, using st as the 'reblog' field */
1118 xs_dict *bst = xs_dup(st);
1119 xs *b_actor = NULL;
1120
1121 if (valid_status(object_get_by_md5(boosted_by_md5, &b_actor))) {
1122 xs *b_acct = mastoapi_account(snac, b_actor);
1123 xs *fake_uri = NULL;
1124
1125 if (snac)
1126 fake_uri = xs_fmt("%s/d/%s/Announce", snac->actor, mid);
1127 else
1128 fake_uri = xs_fmt("%s#%s", srv_baseurl, mid);
1129
1130 bst = xs_dict_set(bst, "uri", fake_uri);
1131 bst = xs_dict_set(bst, "url", fake_uri);
1132 bst = xs_dict_set(bst, "account", b_acct);
1133 bst = xs_dict_set(bst, "content", "");
1134 bst = xs_dict_set(bst, "reblog", st);
1135
1136 xs_free(st);
1137 st = bst;
1138 }
1139 }
1140
1141 return st;
1142}
1143
1144
1145xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1146{
1147 xs_dict *rel = NULL;
1148 xs *actor_o = NULL;
1149
1150 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1151 rel = xs_dict_new();
1152
1153 const char *actor = xs_dict_get(actor_o, "id");
1154
1155 rel = xs_dict_append(rel, "id", md5);
1156 rel = xs_dict_append(rel, "following",
1157 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1158
1159 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1160 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1161 rel = xs_dict_append(rel, "followed_by",
1162 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1163
1164 rel = xs_dict_append(rel, "blocking",
1165 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1166
1167 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1168 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1169 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1170 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1171 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1172 rel = xs_dict_append(rel, "note", "");
1173 }
1174
1175 return rel;
1176}
1177
1178
1179int process_auth_token(snac *snac, const xs_dict *req)
1180/* processes an authorization token, if there is one */
1181{
1182 int logged_in = 0;
1183 const char *v;
1184
1185 /* if there is an authorization field, try to validate it */
1186 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1187 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1188 xs *token = token_get(tokid);
1189
1190 if (token != NULL) {
1191 const char *uid = xs_dict_get(token, "uid");
1192
1193 if (!xs_is_null(uid) && user_open(snac, uid)) {
1194 logged_in = 1;
1195
1196 /* this counts as a 'login' */
1197 lastlog_write(snac, "mastoapi");
1198
1199 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1200 }
1201 else
1202 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1203 }
1204 else
1205 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1206 }
1207
1208 return logged_in;
1209}
1210
1211
1212void credentials_get(char **body, char **ctype, int *status, snac snac)
1213{
1214 xs *acct = xs_dict_new();
1215
1216 const xs_val *bot = xs_dict_get(snac.config, "bot");
1217
1218 acct = xs_dict_append(acct, "id", snac.md5);
1219 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1220 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1221 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1222 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1223 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1224 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1225 acct = xs_dict_append(acct, "url", snac.actor);
1226 acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
1227 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1228 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1229
1230 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1231 "\"follow_requests_count\": 0,"
1232 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1233 /* some apps take the note from the source object */
1234 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1235 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1236
1237 const xs_str *cw = xs_dict_get(snac.config, "cw");
1238 src = xs_dict_set(src, "sensitive",
1239 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1240
1241 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1242
1243 xs *avatar = NULL;
1244 const char *av = xs_dict_get(snac.config, "avatar");
1245
1246 if (xs_is_null(av) || *av == '\0')
1247 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1248 else
1249 avatar = xs_dup(av);
1250
1251 acct = xs_dict_append(acct, "avatar", avatar);
1252 acct = xs_dict_append(acct, "avatar_static", avatar);
1253
1254 xs *header = NULL;
1255 const char *hd = xs_dict_get(snac.config, "header");
1256
1257 if (!xs_is_null(hd))
1258 header = xs_dup(hd);
1259 else
1260 header = xs_str_new(NULL);
1261
1262 acct = xs_dict_append(acct, "header", header);
1263 acct = xs_dict_append(acct, "header_static", header);
1264
1265 const xs_dict *metadata = xs_dict_get(snac.config, "metadata");
1266 if (xs_type(metadata) == XSTYPE_DICT) {
1267 xs *fields = xs_list_new();
1268 const xs_str *k;
1269 const xs_str *v;
1270
1271 xs_dict *val_links = snac.links;
1272 if (xs_is_null(val_links))
1273 val_links = xs_stock(XSTYPE_DICT);
1274
1275 int c = 0;
1276 while (xs_dict_next(metadata, &k, &v, &c)) {
1277 xs *val_date = NULL;
1278
1279 const xs_number *verified_time = xs_dict_get(val_links, v);
1280 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1281 time_t t = xs_number_get(verified_time);
1282
1283 if (t > 0)
1284 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1285 }
1286
1287 xs *d = xs_dict_new();
1288
1289 d = xs_dict_append(d, "name", k);
1290 d = xs_dict_append(d, "value", v);
1291 d = xs_dict_append(d, "verified_at",
1292 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1293
1294 fields = xs_list_append(fields, d);
1295 }
1296
1297 acct = xs_dict_set(acct, "fields", fields);
1298 /* some apps take the fields from the source object */
1299 src = xs_dict_set(src, "fields", fields);
1300 }
1301
1302 acct = xs_dict_append(acct, "source", src);
1303 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1304 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1305 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1306
1307 /* does this user want to publish their contact metrics? */
1308 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1309 xs *fwing = following_list(&snac);
1310 xs *fwers = follower_list(&snac);
1311 xs *ni = xs_number_new(xs_list_len(fwing));
1312 xs *ne = xs_number_new(xs_list_len(fwers));
1313
1314 acct = xs_dict_append(acct, "followers_count", ne);
1315 acct = xs_dict_append(acct, "following_count", ni);
1316 }
1317
1318 *body = xs_json_dumps(acct, 4);
1319 *ctype = "application/json";
1320 *status = HTTP_STATUS_OK;
1321}
1322
1323
1324xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1325{
1326 xs_list *out = xs_list_new();
1327 FILE *f;
1328 char md5[MD5_HEX_SIZE];
1329
1330 if (dbglevel) {
1331 xs *js = xs_json_dumps(args, 0);
1332 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1333 }
1334
1335 if ((f = fopen(index_fn, "r")) == NULL)
1336 return out;
1337
1338 const char *max_id = xs_dict_get(args, "max_id");
1339 const char *since_id = xs_dict_get(args, "since_id");
1340 const char *min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1341 const char *limit_s = xs_dict_get(args, "limit");
1342 int (*iterator)(FILE *, char *);
1343 int initial_status = 0;
1344 int ascending = 0;
1345 int limit = 0;
1346 int cnt = 0;
1347
1348 if (!xs_is_null(limit_s))
1349 limit = atoi(limit_s);
1350
1351 if (limit == 0)
1352 limit = 20;
1353
1354 if (min_id) {
1355 iterator = &index_asc_next;
1356 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1357 ascending = 1;
1358 }
1359 else {
1360 iterator = &index_desc_next;
1361 initial_status = index_desc_first(f, md5, 0);
1362 }
1363
1364 if (initial_status) {
1365 do {
1366 xs *msg = NULL;
1367
1368 /* only return entries older that max_id */
1369 if (max_id) {
1370 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1371 max_id = NULL;
1372 if (ascending)
1373 break;
1374 }
1375 if (!ascending)
1376 continue;
1377 }
1378
1379 /* only returns entries newer than since_id */
1380 if (since_id) {
1381 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1382 if (!ascending)
1383 break;
1384 since_id = NULL;
1385 }
1386 if (ascending)
1387 continue;
1388 }
1389
1390 /* get the entry */
1391 if (user) {
1392 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1393 continue;
1394 }
1395 else {
1396 if (!valid_status(object_get_by_md5(md5, &msg)))
1397 continue;
1398 }
1399
1400 /* discard non-Notes */
1401 const char *id = xs_dict_get(msg, "id");
1402 const char *type = xs_dict_get(msg, "type");
1403 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1404 continue;
1405
1406 if (id && is_instance_blocked(id))
1407 continue;
1408
1409 const char *from = NULL;
1410 if (strcmp(type, "Page") == 0)
1411 from = xs_dict_get(msg, "audience");
1412
1413 if (from == NULL)
1414 from = get_atto(msg);
1415
1416 if (from == NULL)
1417 continue;
1418
1419 if (user) {
1420 /* is this message from a person we don't follow? */
1421 if (strcmp(from, user->actor) && !following_check(user, from)) {
1422 /* discard if it was not boosted */
1423 xs *idx = object_announces(id);
1424
1425 if (xs_list_len(idx) == 0)
1426 continue;
1427 }
1428
1429 /* discard notes from muted morons */
1430 if (is_muted(user, from))
1431 continue;
1432
1433 /* discard hidden notes */
1434 if (is_hidden(user, id))
1435 continue;
1436 }
1437 else {
1438 /* skip non-public messages */
1439 if (!is_msg_public(msg))
1440 continue;
1441
1442 /* discard messages from private users */
1443 if (is_msg_from_private_user(msg))
1444 continue;
1445 }
1446
1447 /* if it has a name and it's not an object that may have one,
1448 it's a poll vote, so discard it */
1449 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1450 continue;
1451
1452 /* convert the Note into a Mastodon status */
1453 xs *st = mastoapi_status(user, msg);
1454
1455 if (st != NULL) {
1456 if (ascending)
1457 out = xs_list_insert(out, 0, st);
1458 else
1459 out = xs_list_append(out, st);
1460 cnt++;
1461 }
1462
1463 } while ((cnt < limit) && (*iterator)(f, md5));
1464 }
1465
1466 int more = index_desc_next(f, md5);
1467
1468 fclose(f);
1469
1470 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1471
1472 return out;
1473}
1474
1475
1476xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1477/* returns a Link header with paging information */
1478{
1479 xs_str *s = NULL;
1480
1481 if (xs_list_len(timeline) == 0)
1482 return NULL;
1483
1484 const xs_dict *first_st = xs_list_get(timeline, 0);
1485 const xs_dict *last_st = xs_list_get(timeline, -1);
1486 const char *first_id = xs_dict_get(first_st, "id");
1487 const char *last_id = xs_dict_get(last_st, "id");
1488 const char *host = xs_dict_get(srv_config, "host");
1489 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1490
1491 s = xs_fmt(
1492 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1493 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1494 protocol, host, endpoint, last_id,
1495 protocol, host, endpoint, first_id);
1496
1497 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1498
1499 return s;
1500}
1501
1502
1503int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1504 char **body, int *b_size, char **ctype, xs_str **link)
1505{
1506 (void)b_size;
1507
1508 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1509 return 0;
1510
1511 int status = HTTP_STATUS_NOT_FOUND;
1512 const xs_dict *args = xs_dict_get(req, "q_vars");
1513 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1514
1515 snac snac1 = {0};
1516 int logged_in = process_auth_token(&snac1, req);
1517
1518 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1519 if (logged_in) {
1520 credentials_get(body, ctype, &status, snac1);
1521 }
1522 else {
1523 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1524 }
1525 }
1526 else
1527 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1528 /* find if an account is followed, blocked, etc. */
1529 /* the account to get relationships about is in args "id[]" */
1530
1531 if (logged_in) {
1532 xs *res = xs_list_new();
1533 const char *md5 = xs_dict_get(args, "id[]");
1534
1535 if (xs_is_null(md5))
1536 md5 = xs_dict_get(args, "id");
1537
1538 if (!xs_is_null(md5)) {
1539 if (xs_type(md5) == XSTYPE_LIST)
1540 md5 = xs_list_get(md5, 0);
1541
1542 xs *rel = mastoapi_relationship(&snac1, md5);
1543
1544 if (rel != NULL)
1545 res = xs_list_append(res, rel);
1546 }
1547
1548 *body = xs_json_dumps(res, 4);
1549 *ctype = "application/json";
1550 status = HTTP_STATUS_OK;
1551 }
1552 else
1553 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1554 }
1555 else
1556 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1557 /* lookup an account */
1558 const char *acct = xs_dict_get(args, "acct");
1559
1560 if (!xs_is_null(acct)) {
1561 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1562 xs *l = xs_split_n(s, "@", 1);
1563 const char *uid = xs_list_get(l, 0);
1564 const char *host = xs_list_get(l, 1);
1565
1566 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1567 snac user;
1568
1569 if (user_open(&user, uid)) {
1570 xs *actor = msg_actor(&user);
1571 xs *macct = mastoapi_account(NULL, actor);
1572
1573 *body = xs_json_dumps(macct, 4);
1574 *ctype = "application/json";
1575 status = HTTP_STATUS_OK;
1576
1577 user_free(&user);
1578 }
1579 }
1580 }
1581 }
1582 else
1583 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1584 /* account-related information */
1585 xs *l = xs_split(cmd, "/");
1586 const char *uid = xs_list_get(l, 3);
1587 const char *opt = xs_list_get(l, 4);
1588
1589 if (uid != NULL) {
1590 snac snac2;
1591 xs *out = NULL;
1592 xs *actor = NULL;
1593
1594 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1595 /* search for accounts starting with q */
1596 const char *aq = xs_dict_get(args, "q");
1597
1598 if (!xs_is_null(aq)) {
1599 xs *q = xs_tolower_i(xs_dup(aq));
1600 out = xs_list_new();
1601 xs *wing = following_list(&snac1);
1602 xs *wers = follower_list(&snac1);
1603 xs *ulst = user_list();
1604 xs_list *p;
1605 const xs_str *v;
1606 xs_set seen;
1607
1608 xs_set_init(&seen);
1609
1610 /* user relations */
1611 xs_list *lsts[] = { wing, wers, NULL };
1612 int n;
1613 for (n = 0; (p = lsts[n]) != NULL; n++) {
1614
1615 while (xs_list_iter(&p, &v)) {
1616 /* already seen? skip */
1617 if (xs_set_add(&seen, v) == 0)
1618 continue;
1619
1620 xs *actor = NULL;
1621
1622 if (valid_status(object_get(v, &actor))) {
1623 const char *uname = xs_dict_get(actor, "preferredUsername");
1624
1625 if (!xs_is_null(uname)) {
1626 xs *luname = xs_tolower_i(xs_dup(uname));
1627
1628 if (xs_startswith(luname, q)) {
1629 xs *acct = mastoapi_account(&snac1, actor);
1630
1631 out = xs_list_append(out, acct);
1632 }
1633 }
1634 }
1635 }
1636 }
1637
1638 /* local users */
1639 p = ulst;
1640 while (xs_list_iter(&p, &v)) {
1641 snac user;
1642
1643 /* skip this same user */
1644 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1645 continue;
1646
1647 /* skip if the uid does not start with the query */
1648 xs *v2 = xs_tolower_i(xs_dup(v));
1649 if (!xs_startswith(v2, q))
1650 continue;
1651
1652 if (user_open(&user, v)) {
1653 /* if it's not already seen, add it */
1654 if (xs_set_add(&seen, user.actor) == 1) {
1655 xs *actor = msg_actor(&user);
1656 xs *acct = mastoapi_account(&snac1, actor);
1657
1658 out = xs_list_append(out, acct);
1659 }
1660
1661 user_free(&user);
1662 }
1663 }
1664
1665 xs_set_free(&seen);
1666 }
1667 }
1668 else
1669 /* is it a local user? */
1670 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
1671 if (opt == NULL) {
1672 /* account information */
1673 actor = msg_actor(&snac2);
1674 out = mastoapi_account(NULL, actor);
1675 }
1676 else
1677 if (strcmp(opt, "statuses") == 0) { /** **/
1678 /* the public list of posts of a user */
1679 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
1680 xs_list *p = timeline;
1681 const xs_str *v;
1682
1683 out = xs_list_new();
1684
1685 while (xs_list_iter(&p, &v)) {
1686 xs *msg = NULL;
1687
1688 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
1689 /* add only posts by the author */
1690 if (strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
1691 xs_startswith(xs_dict_get(msg, "id"), snac2.actor)) {
1692 xs *st = mastoapi_status(&snac2, msg);
1693
1694 if (st)
1695 out = xs_list_append(out, st);
1696 }
1697 }
1698 }
1699 }
1700 else
1701 if (strcmp(opt, "featured_tags") == 0) {
1702 /* snac doesn't have features tags, yet? */
1703 /* implement empty response so apps like Tokodon don't show an error */
1704 out = xs_list_new();
1705 }
1706 else
1707 if (strcmp(opt, "following") == 0) {
1708 xs *wing = following_list(&snac1);
1709 out = xs_list_new();
1710 int c = 0;
1711 const char *v;
1712
1713 while (xs_list_next(wing, &v, &c)) {
1714 xs *actor = NULL;
1715
1716 if (valid_status(object_get(v, &actor))) {
1717 xs *acct = mastoapi_account(NULL, actor);
1718 out = xs_list_append(out, acct);
1719 }
1720 }
1721 }
1722 else
1723 if (strcmp(opt, "followers") == 0) {
1724 out = xs_list_new();
1725 }
1726
1727 user_free(&snac2);
1728 }
1729 else {
1730 /* try the uid as the md5 of a possibly loaded actor */
1731 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
1732 if (opt == NULL) {
1733 /* account information */
1734 out = mastoapi_account(&snac1, actor);
1735 }
1736 else
1737 if (strcmp(opt, "statuses") == 0) {
1738 /* we don't serve statuses of others; return the empty list */
1739 out = xs_list_new();
1740 }
1741 else
1742 if (strcmp(opt, "featured_tags") == 0) {
1743 /* snac doesn't have features tags, yet? */
1744 /* implement empty response so apps like Tokodon don't show an error */
1745 out = xs_list_new();
1746 }
1747 }
1748 }
1749
1750 if (out != NULL) {
1751 *body = xs_json_dumps(out, 4);
1752 *ctype = "application/json";
1753 status = HTTP_STATUS_OK;
1754 }
1755 }
1756 }
1757 else
1758 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
1759 /* the private timeline */
1760 if (logged_in) {
1761 xs *ifn = user_index_fn(&snac1, "private");
1762 xs *out = mastoapi_timeline(&snac1, args, ifn);
1763
1764 *link = timeline_link_header("/api/v1/timelines/home", out);
1765
1766 *body = xs_json_dumps(out, 4);
1767 *ctype = "application/json";
1768 status = HTTP_STATUS_OK;
1769
1770 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
1771 }
1772 else {
1773 status = HTTP_STATUS_UNAUTHORIZED;
1774 }
1775 }
1776 else
1777 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
1778 /* the instance public timeline (public timelines for all users) */
1779 xs *ifn = instance_index_fn();
1780 xs *out = mastoapi_timeline(NULL, args, ifn);
1781
1782 *body = xs_json_dumps(out, 4);
1783 *ctype = "application/json";
1784 status = HTTP_STATUS_OK;
1785 }
1786 else
1787 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
1788 /* get the tag */
1789 xs *l = xs_split(cmd, "/");
1790 const char *tag = xs_list_get(l, -1);
1791
1792 xs *ifn = tag_fn(tag);
1793 xs *out = mastoapi_timeline(NULL, args, ifn);
1794
1795 *body = xs_json_dumps(out, 4);
1796 *ctype = "application/json";
1797 status = HTTP_STATUS_OK;
1798 }
1799 else
1800 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
1801 /* get the list id */
1802 if (logged_in) {
1803 xs *l = xs_split(cmd, "/");
1804 const char *list = xs_list_get(l, -1);
1805
1806 xs *ifn = list_timeline_fn(&snac1, list);
1807 xs *out = mastoapi_timeline(NULL, args, ifn);
1808
1809 *body = xs_json_dumps(out, 4);
1810 *ctype = "application/json";
1811 status = HTTP_STATUS_OK;
1812 }
1813 else
1814 status = HTTP_STATUS_MISDIRECTED_REQUEST;
1815 }
1816 else
1817 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
1818 /* TBD */
1819 *body = xs_dup("[]");
1820 *ctype = "application/json";
1821 status = HTTP_STATUS_OK;
1822 }
1823 else
1824 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
1825 if (logged_in) {
1826 xs *l = notify_list(&snac1, 0, 64);
1827 xs *out = xs_list_new();
1828 const xs_dict *v;
1829 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
1830 const char *min_id = xs_dict_get(args, "min_id");
1831 const char *max_id = xs_dict_get(args, "max_id");
1832 const char *limit = xs_dict_get(args, "limit");
1833 int limit_count = 0;
1834 if (!xs_is_null(limit)) {
1835 limit_count = atoi(limit);
1836 }
1837
1838 if (dbglevel) {
1839 xs *js = xs_json_dumps(args, 0);
1840 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
1841 }
1842
1843 xs_list_foreach(l, v) {
1844 xs *noti = notify_get(&snac1, v);
1845
1846 if (noti == NULL)
1847 continue;
1848
1849 const char *type = xs_dict_get(noti, "type");
1850 const char *utype = xs_dict_get(noti, "utype");
1851 const char *objid = xs_dict_get(noti, "objid");
1852 const char *id = xs_dict_get(noti, "id");
1853 xs *fid = xs_replace(id, ".", "");
1854 xs *actor = NULL;
1855 xs *entry = NULL;
1856
1857 if (!valid_status(actor_get(xs_dict_get(noti, "actor"), &actor)))
1858 continue;
1859
1860 if (objid != NULL && !valid_status(object_get(objid, &entry)))
1861 continue;
1862
1863 if (is_hidden(&snac1, objid))
1864 continue;
1865
1866 if (max_id) {
1867 if (strcmp(fid, max_id) == 0)
1868 max_id = NULL;
1869
1870 continue;
1871 }
1872
1873 if (min_id) {
1874 if (strcmp(fid, min_id) <= 0) {
1875 continue;
1876 }
1877 }
1878
1879 /* convert the type */
1880 if (strcmp(type, "Like") == 0 || strcmp(type, "EmojiReact") == 0)
1881 type = "favourite";
1882 else
1883 if (strcmp(type, "Announce") == 0)
1884 type = "reblog";
1885 else
1886 if (strcmp(type, "Follow") == 0)
1887 type = "follow";
1888 else
1889 if (strcmp(type, "Create") == 0)
1890 type = "mention";
1891 else
1892 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
1893 type = "poll";
1894 else
1895 continue;
1896
1897 /* excluded type? */
1898 if (!xs_is_null(excl) && xs_list_in(excl, type) != -1)
1899 continue;
1900
1901 xs *mn = xs_dict_new();
1902
1903 mn = xs_dict_append(mn, "type", type);
1904
1905 mn = xs_dict_append(mn, "id", fid);
1906
1907 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
1908
1909 xs *acct = mastoapi_account(&snac1, actor);
1910
1911 if (acct == NULL)
1912 continue;
1913
1914 mn = xs_dict_append(mn, "account", acct);
1915
1916 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
1917 xs *st = mastoapi_status(&snac1, entry);
1918
1919 if (st)
1920 mn = xs_dict_append(mn, "status", st);
1921 }
1922
1923 out = xs_list_append(out, mn);
1924 if (!xs_is_null(limit)) {
1925 if (--limit_count <= 0)
1926 break;
1927 }
1928 }
1929
1930 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
1931
1932 *body = xs_json_dumps(out, 4);
1933 *ctype = "application/json";
1934 status = HTTP_STATUS_OK;
1935 }
1936 else
1937 status = HTTP_STATUS_UNAUTHORIZED;
1938 }
1939 else
1940 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
1941 /* snac will never have filters */
1942 *body = xs_dup("[]");
1943 *ctype = "application/json";
1944 status = HTTP_STATUS_OK;
1945 }
1946 else
1947 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
1948 /* snac will never have filters
1949 * but still, without a v2 endpoint a short delay is introduced
1950 * in some apps */
1951 *body = xs_dup("[]");
1952 *ctype = "application/json";
1953 status = HTTP_STATUS_OK;
1954 }
1955 else
1956 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
1957 /* snac will never support a list of favourites */
1958 *body = xs_dup("[]");
1959 *ctype = "application/json";
1960 status = HTTP_STATUS_OK;
1961 }
1962 else
1963 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
1964 if (logged_in) {
1965 xs *ifn = bookmark_index_fn(&snac1);
1966 xs *out = mastoapi_timeline(&snac1, args, ifn);
1967
1968 *body = xs_json_dumps(out, 4);
1969 *ctype = "application/json";
1970 status = HTTP_STATUS_OK;
1971 }
1972 else
1973 status = HTTP_STATUS_UNAUTHORIZED;
1974 }
1975 else
1976 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
1977 if (logged_in) {
1978 xs *lol = list_maint(&snac1, NULL, 0);
1979 xs *l = xs_list_new();
1980 int c = 0;
1981 const xs_list *li;
1982
1983 while (xs_list_next(lol, &li, &c)) {
1984 xs *d = xs_dict_new();
1985
1986 d = xs_dict_append(d, "id", xs_list_get(li, 0));
1987 d = xs_dict_append(d, "title", xs_list_get(li, 1));
1988 d = xs_dict_append(d, "replies_policy", "list");
1989 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1990
1991 l = xs_list_append(l, d);
1992 }
1993
1994 *body = xs_json_dumps(l, 4);
1995 *ctype = "application/json";
1996 status = HTTP_STATUS_OK;
1997 }
1998 else
1999 status = HTTP_STATUS_UNAUTHORIZED;
2000 }
2001 else
2002 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2003 if (logged_in) {
2004 xs *l = xs_split(cmd, "/");
2005 const char *p = xs_list_get(l, -1);
2006
2007 if (p) {
2008 if (strcmp(p, "accounts") == 0) {
2009 p = xs_list_get(l, -2);
2010
2011 if (p && xs_is_hex(p)) {
2012 xs *actors = list_content(&snac1, p, NULL, 0);
2013 xs *out = xs_list_new();
2014 int c = 0;
2015 const char *v;
2016
2017 while (xs_list_next(actors, &v, &c)) {
2018 xs *actor = NULL;
2019
2020 if (valid_status(object_get_by_md5(v, &actor))) {
2021 xs *acct = mastoapi_account(&snac1, actor);
2022 out = xs_list_append(out, acct);
2023 }
2024 }
2025
2026 *body = xs_json_dumps(out, 4);
2027 *ctype = "application/json";
2028 status = HTTP_STATUS_OK;
2029 }
2030 }
2031 else
2032 if (xs_is_hex(p)) {
2033 xs *out = xs_list_new();
2034 xs *lol = list_maint(&snac1, NULL, 0);
2035 int c = 0;
2036 const xs_list *v;
2037
2038 while (xs_list_next(lol, &v, &c)) {
2039 const char *id = xs_list_get(v, 0);
2040
2041 if (id && strcmp(id, p) == 0) {
2042 xs *d = xs_dict_new();
2043
2044 d = xs_dict_append(d, "id", p);
2045 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2046 d = xs_dict_append(d, "replies_policy", "list");
2047 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2048
2049 out = xs_dup(d);
2050 break;
2051 }
2052 }
2053
2054 *body = xs_json_dumps(out, 4);
2055 *ctype = "application/json";
2056 status = HTTP_STATUS_OK;
2057 }
2058 }
2059 }
2060 else
2061 status = HTTP_STATUS_UNAUTHORIZED;
2062 }
2063 else
2064 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2065 /* snac does not schedule notes */
2066 *body = xs_dup("[]");
2067 *ctype = "application/json";
2068 status = HTTP_STATUS_OK;
2069 }
2070 else
2071 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2072 /* snac does not support optional follow confirmations */
2073 *body = xs_dup("[]");
2074 *ctype = "application/json";
2075 status = HTTP_STATUS_OK;
2076 }
2077 else
2078 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2079 if (logged_in) {
2080 xs *resp = xs_list_new();
2081 double la = 0.0;
2082 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2083 if (user_la != NULL)
2084 la = xs_number_get(user_la);
2085 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2086
2087 /* contrary to html, we always send the announcement and set the read flag instead */
2088
2089 const t_announcement *annce = announcement(la);
2090 if (annce != NULL && annce->text != NULL) {
2091 xs *an = xs_dict_new();
2092 xs *id = xs_fmt("%d", annce->timestamp);
2093 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2094
2095 an = xs_dict_set(an, "id", id);
2096 an = xs_dict_set(an, "content", ct);
2097 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2098 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2099 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2100 an = xs_dict_set(an, "published_at", val_date);
2101 an = xs_dict_set(an, "updated_at", val_date);
2102 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2103 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2104 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2105 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2106 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2107 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2108 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2109 resp = xs_list_append(resp, an);
2110 }
2111
2112 *body = xs_json_dumps(resp, 4);
2113 *ctype = "application/json";
2114 status = HTTP_STATUS_OK;
2115 }
2116 }
2117 else
2118 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2119 xs *emo = emojis();
2120 xs *list = xs_list_new();
2121 int c = 0;
2122 const xs_str *k;
2123 const xs_val *v;
2124 while(xs_dict_next(emo, &k, &v, &c)) {
2125 xs *current = xs_dict_new();
2126 if (xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) {
2127 /* remove first and last colon */
2128 xs *shortcode = xs_replace(k, ":", "");
2129 current = xs_dict_append(current, "shortcode", shortcode);
2130 current = xs_dict_append(current, "url", v);
2131 current = xs_dict_append(current, "static_url", v);
2132 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2133 list = xs_list_append(list, current);
2134 }
2135 }
2136 *body = xs_json_dumps(list, 0);
2137 *ctype = "application/json";
2138 status = HTTP_STATUS_OK;
2139 }
2140 else
2141 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2142 /* returns an instance object */
2143 xs *ins = xs_dict_new();
2144 const char *host = xs_dict_get(srv_config, "host");
2145 const char *title = xs_dict_get(srv_config, "title");
2146 const char *sdesc = xs_dict_get(srv_config, "short_description");
2147
2148 ins = xs_dict_append(ins, "uri", host);
2149 ins = xs_dict_append(ins, "domain", host);
2150 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2151 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2152 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2153 ins = xs_dict_append(ins, "description", host);
2154
2155 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2156
2157 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2158 ins = xs_dict_append(ins, "thumbnail", susie);
2159
2160 const char *v = xs_dict_get(srv_config, "admin_email");
2161 if (xs_is_null(v) || *v == '\0')
2162 v = "admin@localhost";
2163
2164 ins = xs_dict_append(ins, "email", v);
2165
2166 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2167
2168 xs *l1 = xs_list_append(xs_list_new(), "en");
2169 ins = xs_dict_append(ins, "languages", l1);
2170
2171 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2172 xs *urls = xs_dict_new();
2173 urls = xs_dict_append(urls, "streaming_api", wss);
2174
2175 ins = xs_dict_append(ins, "urls", urls);
2176
2177 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2178 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2179 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2180 ins = xs_dict_append(ins, "stats", d2);
2181
2182 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2183 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2184 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2185
2186 xs *cfg = xs_dict_new();
2187
2188 {
2189 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2190 "\"max_characters\":100000,\"max_media_attachments\":4}");
2191
2192 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2193 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2194 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2195
2196 cfg = xs_dict_append(cfg, "statuses", d11);
2197
2198 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2199 cfg = xs_dict_append(cfg, "accounts", d12);
2200
2201 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2202 "\"image_size_limit\":16777216,"
2203 "\"video_frame_rate_limit\":120,"
2204 "\"video_matrix_limit\":8294400,"
2205 "\"video_size_limit\":103809024}"
2206 );
2207
2208 {
2209 /* get the supported mime types from the internal list */
2210 const char **p = xs_mime_types;
2211 xs_set mtypes;
2212 xs_set_init(&mtypes);
2213
2214 while (*p) {
2215 const char *type = p[1];
2216
2217 if (xs_startswith(type, "image/") ||
2218 xs_startswith(type, "video/") ||
2219 xs_startswith(type, "audio/"))
2220 xs_set_add(&mtypes, type);
2221
2222 p += 2;
2223 }
2224
2225 xs *l = xs_set_result(&mtypes);
2226 d13 = xs_dict_append(d13, "supported_mime_types", l);
2227 }
2228
2229 cfg = xs_dict_append(cfg, "media_attachments", d13);
2230
2231 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2232 "\"max_expiration\":2629746,"
2233 "\"max_options\":8,\"min_expiration\":300}");
2234 cfg = xs_dict_append(cfg, "polls", d14);
2235 }
2236
2237 ins = xs_dict_append(ins, "configuration", cfg);
2238
2239 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2240
2241 if (!xs_is_null(admin_account) && *admin_account) {
2242 snac admin;
2243
2244 if (user_open(&admin, admin_account)) {
2245 xs *actor = msg_actor(&admin);
2246 xs *acct = mastoapi_account(NULL, actor);
2247
2248 ins = xs_dict_append(ins, "contact_account", acct);
2249
2250 user_free(&admin);
2251 }
2252 }
2253
2254 *body = xs_json_dumps(ins, 4);
2255 *ctype = "application/json";
2256 status = HTTP_STATUS_OK;
2257 }
2258 else
2259 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2260 /* information about a status */
2261 if (logged_in) {
2262 xs *l = xs_split(cmd, "/");
2263 const char *id = xs_list_get(l, 3);
2264 const char *op = xs_list_get(l, 4);
2265
2266 if (!xs_is_null(id)) {
2267 xs *msg = NULL;
2268 xs *out = NULL;
2269
2270 /* skip the 'fake' part of the id */
2271 id = MID_TO_MD5(id);
2272
2273 if (valid_status(object_get_by_md5(id, &msg))) {
2274 if (op == NULL) {
2275 if (!is_muted(&snac1, get_atto(msg))) {
2276 /* return the status itself */
2277 out = mastoapi_status(&snac1, msg);
2278 }
2279 }
2280 else
2281 if (strcmp(op, "context") == 0) { /** **/
2282 /* return ancestors and children */
2283 xs *anc = xs_list_new();
2284 xs *des = xs_list_new();
2285 xs_list *p;
2286 const xs_str *v;
2287 char pid[MD5_HEX_SIZE];
2288
2289 /* build the [grand]parent list, moving up */
2290 strncpy(pid, id, sizeof(pid));
2291
2292 while (object_parent(pid, pid)) {
2293 xs *m2 = NULL;
2294
2295 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2296 xs *st = mastoapi_status(&snac1, m2);
2297
2298 if (st)
2299 anc = xs_list_insert(anc, 0, st);
2300 }
2301 else
2302 break;
2303 }
2304
2305 /* build the children list */
2306 xs *children = object_children(xs_dict_get(msg, "id"));
2307 p = children;
2308
2309 while (xs_list_iter(&p, &v)) {
2310 xs *m2 = NULL;
2311
2312 if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
2313 if (xs_is_null(xs_dict_get(m2, "name"))) {
2314 xs *st = mastoapi_status(&snac1, m2);
2315
2316 if (st)
2317 des = xs_list_append(des, st);
2318 }
2319 }
2320 }
2321
2322 out = xs_dict_new();
2323 out = xs_dict_append(out, "ancestors", anc);
2324 out = xs_dict_append(out, "descendants", des);
2325 }
2326 else
2327 if (strcmp(op, "reblogged_by") == 0 || /** **/
2328 strcmp(op, "favourited_by") == 0) { /** **/
2329 /* return the list of people who liked or boosted this */
2330 out = xs_list_new();
2331
2332 xs *l = NULL;
2333
2334 if (op[0] == 'r')
2335 l = object_announces(xs_dict_get(msg, "id"));
2336 else
2337 l = object_likes(xs_dict_get(msg, "id"));
2338
2339 xs_list *p = l;
2340 const xs_str *v;
2341
2342 while (xs_list_iter(&p, &v)) {
2343 xs *actor2 = NULL;
2344
2345 if (valid_status(object_get_by_md5(v, &actor2))) {
2346 xs *acct2 = mastoapi_account(&snac1, actor2);
2347
2348 out = xs_list_append(out, acct2);
2349 }
2350 }
2351 }
2352 else
2353 if (strcmp(op, "source") == 0) { /** **/
2354 out = xs_dict_new();
2355
2356 /* get the mastoapi status id */
2357 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2358
2359 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2360 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2361 }
2362 }
2363 else
2364 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2365
2366 if (out != NULL) {
2367 *body = xs_json_dumps(out, 4);
2368 *ctype = "application/json";
2369 status = HTTP_STATUS_OK;
2370 }
2371 }
2372 }
2373 else
2374 status = HTTP_STATUS_UNAUTHORIZED;
2375 }
2376 else
2377 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2378 *body = xs_dup("{}");
2379 *ctype = "application/json";
2380 status = HTTP_STATUS_OK;
2381 }
2382 else
2383 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2384 if (logged_in) {
2385 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2386 xs_str *json = NULL;
2387 if (!xs_is_null(timeline))
2388 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2389
2390 if (!xs_is_null(json))
2391 *body = json;
2392 else
2393 *body = xs_dup("{}");
2394
2395 *ctype = "application/json";
2396 status = HTTP_STATUS_OK;
2397 }
2398 else
2399 status = HTTP_STATUS_UNAUTHORIZED;
2400 }
2401 else
2402 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2403 *body = xs_dup("[]");
2404 *ctype = "application/json";
2405 status = HTTP_STATUS_OK;
2406 }
2407 else
2408 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
2409 *body = xs_dup("[]");
2410 *ctype = "application/json";
2411 status = HTTP_STATUS_OK;
2412 }
2413 else
2414 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
2415 *body = xs_dup("[]");
2416 *ctype = "application/json";
2417 status = HTTP_STATUS_OK;
2418 }
2419 else
2420 if (strcmp(cmd, "/v2/search") == 0) { /** **/
2421 if (logged_in) {
2422 const char *q = xs_dict_get(args, "q");
2423 const char *type = xs_dict_get(args, "type");
2424 const char *offset = xs_dict_get(args, "offset");
2425
2426 xs *acl = xs_list_new();
2427 xs *stl = xs_list_new();
2428 xs *htl = xs_list_new();
2429 xs *res = xs_dict_new();
2430
2431 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
2432 /* reply something only for offset 0; otherwise,
2433 apps like Tusky keep asking again and again */
2434 if (xs_startswith(q, "https://")) {
2435 xs *md5 = xs_md5_hex(q, strlen(q));
2436
2437 if (!timeline_here(&snac1, md5)) {
2438 xs *object = NULL;
2439 int status;
2440
2441 status = activitypub_request(&snac1, q, &object);
2442 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
2443
2444 if (valid_status(status)) {
2445 /* got it; also request the actor */
2446 const char *attr_to = get_atto(object);
2447 xs *actor_obj = NULL;
2448
2449 if (!xs_is_null(attr_to)) {
2450 status = actor_request(&snac1, attr_to, &actor_obj);
2451
2452 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
2453
2454 if (valid_status(status)) {
2455 /* add the actor */
2456 actor_add(attr_to, actor_obj);
2457
2458 /* add the post to the timeline */
2459 timeline_add(&snac1, q, object);
2460 }
2461 }
2462 }
2463 }
2464 }
2465
2466 if (!xs_is_null(q)) {
2467 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
2468 /* do a webfinger query */
2469 char *actor = NULL;
2470 char *user = NULL;
2471
2472 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
2473 xs *actor_o = NULL;
2474
2475 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
2476 xs *acct = mastoapi_account(NULL, actor_o);
2477
2478 acl = xs_list_append(acl, acct);
2479
2480 if (!object_here(actor))
2481 object_add(actor, actor_o);
2482 }
2483 }
2484 }
2485
2486 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
2487 /* search this tag */
2488 xs *tl = tag_search((char *)q, 0, 1);
2489
2490 if (xs_list_len(tl)) {
2491 xs *d = xs_dict_new();
2492
2493 d = xs_dict_append(d, "name", q);
2494 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
2495 d = xs_dict_append(d, "url", url);
2496 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
2497
2498 htl = xs_list_append(htl, d);
2499 }
2500 }
2501
2502 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
2503 int to = 0;
2504 int cnt = 40;
2505 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
2506 int c = 0;
2507 const char *v;
2508
2509 while (xs_list_next(tl, &v, &c) && --cnt) {
2510 xs *post = NULL;
2511
2512 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
2513 continue;
2514
2515 xs *s = mastoapi_status(&snac1, post);
2516
2517 if (!xs_is_null(s))
2518 stl = xs_list_append(stl, s);
2519 }
2520 }
2521 }
2522 }
2523
2524 res = xs_dict_append(res, "accounts", acl);
2525 res = xs_dict_append(res, "statuses", stl);
2526 res = xs_dict_append(res, "hashtags", htl);
2527
2528 *body = xs_json_dumps(res, 4);
2529 *ctype = "application/json";
2530 status = HTTP_STATUS_OK;
2531 }
2532 else
2533 status = HTTP_STATUS_UNAUTHORIZED;
2534 }
2535
2536 /* user cleanup */
2537 if (logged_in)
2538 user_free(&snac1);
2539
2540 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
2541
2542 return status;
2543}
2544
2545
2546int mastoapi_post_handler(const xs_dict *req, const char *q_path,
2547 const char *payload, int p_size,
2548 char **body, int *b_size, char **ctype)
2549{
2550 (void)p_size;
2551 (void)b_size;
2552
2553 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
2554 return 0;
2555
2556 int status = HTTP_STATUS_NOT_FOUND;
2557 xs *args = NULL;
2558 const char *i_ctype = xs_dict_get(req, "content-type");
2559
2560 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
2561 if (!xs_is_null(payload))
2562 args = xs_json_loads(payload);
2563 }
2564 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
2565 {
2566 // Some apps send form data instead of json so we should cater for those
2567 if (!xs_is_null(payload)) {
2568 args = xs_url_vars(payload);
2569 }
2570 }
2571 else
2572 args = xs_dup(xs_dict_get(req, "p_vars"));
2573
2574 if (args == NULL)
2575 return HTTP_STATUS_BAD_REQUEST;
2576
2577 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
2578
2579 snac snac = {0};
2580 int logged_in = process_auth_token(&snac, req);
2581
2582 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
2583 const char *name = xs_dict_get(args, "client_name");
2584 const char *ruri = xs_dict_get(args, "redirect_uris");
2585 const char *scope = xs_dict_get(args, "scope");
2586
2587 /* Ice Cubes sends these values as query parameters, so try these */
2588 if (name == NULL && ruri == NULL && scope == NULL) {
2589 args = xs_dup(xs_dict_get(req, "q_vars"));
2590 name = xs_dict_get(args, "client_name");
2591 ruri = xs_dict_get(args, "redirect_uris");
2592 scope = xs_dict_get(args, "scope");
2593 }
2594
2595 if (xs_type(ruri) == XSTYPE_LIST)
2596 ruri = xs_dict_get(ruri, 0);
2597
2598 if (name && ruri) {
2599 xs *app = xs_dict_new();
2600 xs *id = xs_replace_i(tid(0), ".", "");
2601 xs *csec = random_str();
2602 xs *vkey = random_str();
2603 xs *cid = NULL;
2604
2605 /* pick a non-existent random cid */
2606 for (;;) {
2607 cid = random_str();
2608 xs *p_app = app_get(cid);
2609
2610 if (p_app == NULL)
2611 break;
2612
2613 xs_free(cid);
2614 }
2615
2616 app = xs_dict_append(app, "name", name);
2617 app = xs_dict_append(app, "redirect_uri", ruri);
2618 app = xs_dict_append(app, "client_id", cid);
2619 app = xs_dict_append(app, "client_secret", csec);
2620 app = xs_dict_append(app, "vapid_key", vkey);
2621 app = xs_dict_append(app, "id", id);
2622
2623 *body = xs_json_dumps(app, 4);
2624 *ctype = "application/json";
2625 status = HTTP_STATUS_OK;
2626
2627 app = xs_dict_append(app, "code", "");
2628
2629 if (scope)
2630 app = xs_dict_append(app, "scope", scope);
2631
2632 app_add(cid, app);
2633
2634 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
2635 }
2636 }
2637 else
2638 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
2639 if (logged_in) {
2640 /* post a new Note */
2641 const char *content = xs_dict_get(args, "status");
2642 const char *mid = xs_dict_get(args, "in_reply_to_id");
2643 const char *visibility = xs_dict_get(args, "visibility");
2644 const char *summary = xs_dict_get(args, "spoiler_text");
2645 const char *media_ids = xs_dict_get(args, "media_ids");
2646 const char *language = xs_dict_get(args, "language");
2647
2648 if (xs_is_null(media_ids))
2649 media_ids = xs_dict_get(args, "media_ids[]");
2650
2651 if (xs_is_null(media_ids))
2652 media_ids = xs_dict_get(args, "media_ids");
2653
2654 if (xs_is_null(visibility))
2655 visibility = "public";
2656
2657 xs *attach_list = xs_list_new();
2658 xs *irt = NULL;
2659
2660 /* is it a reply? */
2661 if (mid != NULL) {
2662 xs *r_msg = NULL;
2663 const char *md5 = MID_TO_MD5(mid);
2664
2665 if (valid_status(object_get_by_md5(md5, &r_msg)))
2666 irt = xs_dup(xs_dict_get(r_msg, "id"));
2667 }
2668
2669 /* does it have attachments? */
2670 if (!xs_is_null(media_ids)) {
2671 xs *mi = NULL;
2672
2673 if (xs_type(media_ids) == XSTYPE_LIST)
2674 mi = xs_dup(media_ids);
2675 else {
2676 mi = xs_list_new();
2677 mi = xs_list_append(mi, media_ids);
2678 }
2679
2680 xs_list *p = mi;
2681 const xs_str *v;
2682
2683 while (xs_list_iter(&p, &v)) {
2684 xs *l = xs_list_new();
2685 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
2686 xs *desc = static_get_meta(&snac, v);
2687
2688 l = xs_list_append(l, url);
2689 l = xs_list_append(l, desc);
2690
2691 attach_list = xs_list_append(attach_list, l);
2692 }
2693 }
2694
2695 /* prepare the message */
2696 int scope = 1;
2697 if (strcmp(visibility, "unlisted") == 0)
2698 scope = 2;
2699 else
2700 if (strcmp(visibility, "public") == 0)
2701 scope = 0;
2702
2703 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
2704
2705 if (!xs_is_null(summary) && *summary) {
2706 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
2707 msg = xs_dict_set(msg, "summary", summary);
2708 }
2709
2710 /* store */
2711 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
2712
2713 /* 'Create' message */
2714 xs *c_msg = msg_create(&snac, msg);
2715 enqueue_message(&snac, c_msg);
2716
2717 timeline_touch(&snac);
2718
2719 /* convert to a mastodon status as a response code */
2720 xs *st = mastoapi_status(&snac, msg);
2721
2722 *body = xs_json_dumps(st, 4);
2723 *ctype = "application/json";
2724 status = HTTP_STATUS_OK;
2725 }
2726 else
2727 status = HTTP_STATUS_UNAUTHORIZED;
2728 }
2729 else
2730 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
2731 if (logged_in) {
2732 /* operations on a status */
2733 xs *l = xs_split(cmd, "/");
2734 const char *mid = xs_list_get(l, 3);
2735 const char *op = xs_list_get(l, 4);
2736
2737 if (!xs_is_null(mid)) {
2738 xs *msg = NULL;
2739 xs *out = NULL;
2740
2741 /* skip the 'fake' part of the id */
2742 mid = MID_TO_MD5(mid);
2743
2744 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
2745 const char *id = xs_dict_get(msg, "id");
2746
2747 if (op == NULL) {
2748 /* no operation (?) */
2749 }
2750 else
2751 if (strcmp(op, "favourite") == 0) { /** **/
2752 xs *n_msg = msg_admiration(&snac, id, "Like");
2753
2754 if (n_msg != NULL) {
2755 enqueue_message(&snac, n_msg);
2756 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1);
2757
2758 out = mastoapi_status(&snac, msg);
2759 }
2760 }
2761 else
2762 if (strcmp(op, "unfavourite") == 0) { /** **/
2763 xs *n_msg = msg_repulsion(&snac, id, "Like");
2764
2765 if (n_msg != NULL) {
2766 enqueue_message(&snac, n_msg);
2767
2768 out = mastoapi_status(&snac, msg);
2769 }
2770 }
2771 else
2772 if (strcmp(op, "reblog") == 0) { /** **/
2773 xs *n_msg = msg_admiration(&snac, id, "Announce");
2774
2775 if (n_msg != NULL) {
2776 enqueue_message(&snac, n_msg);
2777 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0);
2778
2779 out = mastoapi_status(&snac, msg);
2780 }
2781 }
2782 else
2783 if (strcmp(op, "unreblog") == 0) { /** **/
2784 xs *n_msg = msg_repulsion(&snac, id, "Announce");
2785
2786 if (n_msg != NULL) {
2787 enqueue_message(&snac, n_msg);
2788
2789 out = mastoapi_status(&snac, msg);
2790 }
2791 }
2792 else
2793 if (strcmp(op, "bookmark") == 0) { /** **/
2794 /* bookmark this message */
2795 if (bookmark(&snac, id) == 0)
2796 out = mastoapi_status(&snac, msg);
2797 else
2798 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2799 }
2800 else
2801 if (strcmp(op, "unbookmark") == 0) { /** **/
2802 /* unbookmark this message */
2803 unbookmark(&snac, id);
2804 out = mastoapi_status(&snac, msg);
2805 }
2806 else
2807 if (strcmp(op, "pin") == 0) { /** **/
2808 /* pin this message */
2809 if (pin(&snac, id) == 0)
2810 out = mastoapi_status(&snac, msg);
2811 else
2812 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
2813 }
2814 else
2815 if (strcmp(op, "unpin") == 0) { /** **/
2816 /* unpin this message */
2817 unpin(&snac, id);
2818 out = mastoapi_status(&snac, msg);
2819 }
2820 else
2821 if (strcmp(op, "mute") == 0) { /** **/
2822 /* Mastodon's mute is snac's hide */
2823 }
2824 else
2825 if (strcmp(op, "unmute") == 0) { /** **/
2826 /* Mastodon's unmute is snac's unhide */
2827 }
2828 }
2829
2830 if (out != NULL) {
2831 *body = xs_json_dumps(out, 4);
2832 *ctype = "application/json";
2833 status = HTTP_STATUS_OK;
2834 }
2835 }
2836 }
2837 else
2838 status = HTTP_STATUS_UNAUTHORIZED;
2839 }
2840 else
2841 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
2842 if (logged_in) {
2843 notify_clear(&snac);
2844 timeline_touch(&snac);
2845
2846 *body = xs_dup("{}");
2847 *ctype = "application/json";
2848 status = HTTP_STATUS_OK;
2849 }
2850 else
2851 status = HTTP_STATUS_UNAUTHORIZED;
2852 }
2853 else
2854 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
2855 /* I don't know what I'm doing */
2856 if (logged_in) {
2857 const char *v;
2858
2859 xs *wpush = xs_dict_new();
2860
2861 wpush = xs_dict_append(wpush, "id", "1");
2862
2863 v = xs_dict_get(args, "data");
2864 v = xs_dict_get(v, "alerts");
2865 wpush = xs_dict_append(wpush, "alerts", v);
2866
2867 v = xs_dict_get(args, "subscription");
2868 v = xs_dict_get(v, "endpoint");
2869 wpush = xs_dict_append(wpush, "endpoint", v);
2870
2871 xs *server_key = random_str();
2872 wpush = xs_dict_append(wpush, "server_key", server_key);
2873
2874 *body = xs_json_dumps(wpush, 4);
2875 *ctype = "application/json";
2876 status = HTTP_STATUS_OK;
2877 }
2878 else
2879 status = HTTP_STATUS_UNAUTHORIZED;
2880 }
2881 else
2882 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
2883 if (logged_in) {
2884 const xs_list *file = xs_dict_get(args, "file");
2885 const char *desc = xs_dict_get(args, "description");
2886
2887 if (xs_is_null(desc))
2888 desc = "";
2889
2890 status = HTTP_STATUS_BAD_REQUEST;
2891
2892 if (xs_type(file) == XSTYPE_LIST) {
2893 const char *fn = xs_list_get(file, 0);
2894
2895 if (*fn != '\0') {
2896 char *ext = strrchr(fn, '.');
2897 xs *hash = xs_md5_hex(fn, strlen(fn));
2898 xs *id = xs_fmt("%s%s", hash, ext);
2899 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
2900 int fo = xs_number_get(xs_list_get(file, 1));
2901 int fs = xs_number_get(xs_list_get(file, 2));
2902
2903 /* store */
2904 static_put(&snac, id, payload + fo, fs);
2905 static_put_meta(&snac, id, desc);
2906
2907 /* prepare a response */
2908 xs *rsp = xs_dict_new();
2909
2910 rsp = xs_dict_append(rsp, "id", id);
2911 rsp = xs_dict_append(rsp, "type", "image");
2912 rsp = xs_dict_append(rsp, "url", url);
2913 rsp = xs_dict_append(rsp, "preview_url", url);
2914 rsp = xs_dict_append(rsp, "remote_url", url);
2915 rsp = xs_dict_append(rsp, "description", desc);
2916
2917 *body = xs_json_dumps(rsp, 4);
2918 *ctype = "application/json";
2919 status = HTTP_STATUS_OK;
2920 }
2921 }
2922 }
2923 else
2924 status = HTTP_STATUS_UNAUTHORIZED;
2925 }
2926 else
2927 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
2928 if (logged_in) {
2929 /* account-related information */
2930 xs *l = xs_split(cmd, "/");
2931 const char *md5 = xs_list_get(l, 3);
2932 const char *opt = xs_list_get(l, 4);
2933 xs *rsp = NULL;
2934
2935 if (!xs_is_null(md5) && *md5) {
2936 xs *actor_o = NULL;
2937
2938 if (xs_is_null(opt)) {
2939 /* ? */
2940 }
2941 else
2942 if (strcmp(opt, "follow") == 0) { /** **/
2943 if (valid_status(object_get_by_md5(md5, &actor_o))) {
2944 const char *actor = xs_dict_get(actor_o, "id");
2945
2946 xs *msg = msg_follow(&snac, actor);
2947
2948 if (msg != NULL) {
2949 /* reload the actor from the message, in may be different */
2950 actor = xs_dict_get(msg, "object");
2951
2952 following_add(&snac, actor, msg);
2953
2954 enqueue_output_by_actor(&snac, msg, actor, 0);
2955
2956 rsp = mastoapi_relationship(&snac, md5);
2957 }
2958 }
2959 }
2960 else
2961 if (strcmp(opt, "unfollow") == 0) { /** **/
2962 if (valid_status(object_get_by_md5(md5, &actor_o))) {
2963 const char *actor = xs_dict_get(actor_o, "id");
2964
2965 /* get the following object */
2966 xs *object = NULL;
2967
2968 if (valid_status(following_get(&snac, actor, &object))) {
2969 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
2970
2971 following_del(&snac, actor);
2972
2973 enqueue_output_by_actor(&snac, msg, actor, 0);
2974
2975 rsp = mastoapi_relationship(&snac, md5);
2976 }
2977 }
2978 }
2979 else
2980 if (strcmp(opt, "block") == 0) { /** **/
2981 if (valid_status(object_get_by_md5(md5, &actor_o))) {
2982 const char *actor = xs_dict_get(actor_o, "id");
2983
2984 mute(&snac, actor);
2985
2986 rsp = mastoapi_relationship(&snac, md5);
2987 }
2988 }
2989 else
2990 if (strcmp(opt, "unblock") == 0) { /** **/
2991 if (valid_status(object_get_by_md5(md5, &actor_o))) {
2992 const char *actor = xs_dict_get(actor_o, "id");
2993
2994 unmute(&snac, actor);
2995
2996 rsp = mastoapi_relationship(&snac, md5);
2997 }
2998 }
2999 }
3000
3001 if (rsp != NULL) {
3002 *body = xs_json_dumps(rsp, 4);
3003 *ctype = "application/json";
3004 status = HTTP_STATUS_OK;
3005 }
3006 }
3007 else
3008 status = HTTP_STATUS_UNAUTHORIZED;
3009 }
3010 else
3011 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3012 if (logged_in) {
3013 /* operations on a status */
3014 xs *l = xs_split(cmd, "/");
3015 const char *mid = xs_list_get(l, 3);
3016 const char *op = xs_list_get(l, 4);
3017
3018 if (!xs_is_null(mid)) {
3019 xs *msg = NULL;
3020 xs *out = NULL;
3021
3022 /* skip the 'fake' part of the id */
3023 mid = MID_TO_MD5(mid);
3024
3025 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3026 const char *id = xs_dict_get(msg, "id");
3027 const char *atto = get_atto(msg);
3028
3029 const xs_list *opts = xs_dict_get(msg, "oneOf");
3030 if (opts == NULL)
3031 opts = xs_dict_get(msg, "anyOf");
3032
3033 if (op == NULL) {
3034 }
3035 else
3036 if (strcmp(op, "votes") == 0) {
3037 const xs_list *choices = xs_dict_get(args, "choices[]");
3038
3039 if (xs_is_null(choices))
3040 choices = xs_dict_get(args, "choices");
3041
3042 if (xs_type(choices) == XSTYPE_LIST) {
3043 const xs_str *v;
3044
3045 int c = 0;
3046 while (xs_list_next(choices, &v, &c)) {
3047 int io = atoi(v);
3048 const xs_dict *o = xs_list_get(opts, io);
3049
3050 if (o) {
3051 const char *name = xs_dict_get(o, "name");
3052
3053 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3054 msg = xs_dict_append(msg, "name", name);
3055
3056 xs *c_msg = msg_create(&snac, msg);
3057 enqueue_message(&snac, c_msg);
3058 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3059 }
3060 }
3061
3062 out = mastoapi_poll(&snac, msg);
3063 }
3064 }
3065 }
3066
3067 if (out != NULL) {
3068 *body = xs_json_dumps(out, 4);
3069 *ctype = "application/json";
3070 status = HTTP_STATUS_OK;
3071 }
3072 }
3073 }
3074 else
3075 status = HTTP_STATUS_UNAUTHORIZED;
3076 }
3077 else
3078 if (strcmp(cmd, "/v1/lists") == 0) {
3079 if (logged_in) {
3080 const char *title = xs_dict_get(args, "title");
3081
3082 if (xs_type(title) == XSTYPE_STRING) {
3083 /* add the list */
3084 xs *out = xs_dict_new();
3085 xs *lid = list_maint(&snac, title, 1);
3086
3087 if (!xs_is_null(lid)) {
3088 out = xs_dict_append(out, "id", lid);
3089 out = xs_dict_append(out, "title", title);
3090 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3091 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3092
3093 status = HTTP_STATUS_OK;
3094 }
3095 else {
3096 out = xs_dict_append(out, "error", "cannot create list");
3097 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3098 }
3099
3100 *body = xs_json_dumps(out, 4);
3101 *ctype = "application/json";
3102 }
3103 else
3104 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3105 }
3106 }
3107 else
3108 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3109 if (logged_in) {
3110 xs *l = xs_split(cmd, "/");
3111 const char *op = xs_list_get(l, -1);
3112 const char *id = xs_list_get(l, -2);
3113
3114 if (op && id && xs_is_hex(id)) {
3115 if (strcmp(op, "accounts") == 0) {
3116 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3117
3118 if (xs_is_null(accts))
3119 accts = xs_dict_get(args, "account_ids");
3120
3121 int c = 0;
3122 const char *v;
3123
3124 while (xs_list_next(accts, &v, &c)) {
3125 list_content(&snac, id, v, 1);
3126 }
3127
3128 xs *out = xs_dict_new();
3129 *body = xs_json_dumps(out, 4);
3130 *ctype = "application/json";
3131 status = HTTP_STATUS_OK;
3132 }
3133 }
3134 }
3135 }
3136 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3137 xs_str *json = NULL;
3138 if (logged_in) {
3139 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3140 if (xs_is_null(home_marker)) {
3141 const xs_dict *home = xs_dict_get(args, "home");
3142 if (!xs_is_null(home))
3143 home_marker = xs_dict_get(home, "last_read_id");
3144 }
3145
3146 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3147 if (xs_is_null(notify_marker)) {
3148 const xs_dict *notify = xs_dict_get(args, "notifications");
3149 if (!xs_is_null(notify))
3150 notify_marker = xs_dict_get(notify, "last_read_id");
3151 }
3152 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3153 }
3154 if (!xs_is_null(json))
3155 *body = json;
3156 else
3157 *body = xs_dup("{}");
3158
3159 *ctype = "application/json";
3160 status = HTTP_STATUS_OK;
3161 }
3162 else
3163 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3164
3165 /* user cleanup */
3166 if (logged_in)
3167 user_free(&snac);
3168
3169 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3170
3171 return status;
3172}
3173
3174
3175int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3176 const char *payload, int p_size,
3177 char **body, int *b_size, char **ctype)
3178{
3179 (void)p_size;
3180 (void)body;
3181 (void)b_size;
3182 (void)ctype;
3183
3184 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3185 return 0;
3186
3187 int status = HTTP_STATUS_NOT_FOUND;
3188 xs *args = NULL;
3189 const char *i_ctype = xs_dict_get(req, "content-type");
3190
3191 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3192 if (!xs_is_null(payload))
3193 args = xs_json_loads(payload);
3194 }
3195 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3196 {
3197 // Some apps send form data instead of json so we should cater for those
3198 if (!xs_is_null(payload)) {
3199 args = xs_url_vars(payload);
3200 }
3201 }
3202 else
3203 args = xs_dup(xs_dict_get(req, "p_vars"));
3204
3205 if (args == NULL)
3206 return HTTP_STATUS_BAD_REQUEST;
3207
3208 snac snac = {0};
3209 int logged_in = process_auth_token(&snac, req);
3210
3211 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3212
3213 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3214 // pretend we deleted it, since it doesn't exist anyway
3215 status = HTTP_STATUS_OK;
3216 }
3217 else
3218 if (xs_startswith(cmd, "/v1/lists/")) {
3219 if (logged_in) {
3220 xs *l = xs_split(cmd, "/");
3221 const char *p = xs_list_get(l, -1);
3222
3223 if (p) {
3224 if (strcmp(p, "accounts") == 0) {
3225 /* delete account from list */
3226 p = xs_list_get(l, -2);
3227 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3228
3229 if (xs_is_null(accts))
3230 accts = xs_dict_get(args, "account_ids");
3231
3232 int c = 0;
3233 const char *v;
3234
3235 while (xs_list_next(accts, &v, &c)) {
3236 list_content(&snac, p, v, 2);
3237 }
3238 }
3239 else {
3240 /* delete list */
3241 if (xs_is_hex(p)) {
3242 list_maint(&snac, p, 2);
3243 }
3244 }
3245 }
3246
3247 *ctype = "application/json";
3248 status = HTTP_STATUS_OK;
3249 }
3250 else
3251 status = HTTP_STATUS_UNAUTHORIZED;
3252 }
3253
3254 /* user cleanup */
3255 if (logged_in)
3256 user_free(&snac);
3257
3258 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
3259
3260 return status;
3261}
3262
3263
3264int mastoapi_put_handler(const xs_dict *req, const char *q_path,
3265 const char *payload, int p_size,
3266 char **body, int *b_size, char **ctype)
3267{
3268 (void)p_size;
3269 (void)b_size;
3270
3271 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3272 return 0;
3273
3274 int status = HTTP_STATUS_NOT_FOUND;
3275 xs *args = NULL;
3276 const char *i_ctype = xs_dict_get(req, "content-type");
3277
3278 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3279 if (!xs_is_null(payload))
3280 args = xs_json_loads(payload);
3281 }
3282 else
3283 args = xs_dup(xs_dict_get(req, "p_vars"));
3284
3285 if (args == NULL)
3286 return HTTP_STATUS_BAD_REQUEST;
3287
3288 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3289
3290 snac snac = {0};
3291 int logged_in = process_auth_token(&snac, req);
3292
3293 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
3294 if (logged_in) {
3295 xs *l = xs_split(cmd, "/");
3296 const char *stid = xs_list_get(l, 3);
3297
3298 if (!xs_is_null(stid)) {
3299 const char *desc = xs_dict_get(args, "description");
3300
3301 /* set the image metadata */
3302 static_put_meta(&snac, stid, desc);
3303
3304 /* prepare a response */
3305 xs *rsp = xs_dict_new();
3306 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
3307
3308 rsp = xs_dict_append(rsp, "id", stid);
3309 rsp = xs_dict_append(rsp, "type", "image");
3310 rsp = xs_dict_append(rsp, "url", url);
3311 rsp = xs_dict_append(rsp, "preview_url", url);
3312 rsp = xs_dict_append(rsp, "remote_url", url);
3313 rsp = xs_dict_append(rsp, "description", desc);
3314
3315 *body = xs_json_dumps(rsp, 4);
3316 *ctype = "application/json";
3317 status = HTTP_STATUS_OK;
3318 }
3319 }
3320 else
3321 status = HTTP_STATUS_UNAUTHORIZED;
3322 }
3323 else
3324 if (xs_startswith(cmd, "/v1/statuses")) {
3325 if (logged_in) {
3326 xs *l = xs_split(cmd, "/");
3327 const char *mid = xs_list_get(l, 3);
3328
3329 if (!xs_is_null(mid)) {
3330 const char *md5 = MID_TO_MD5(mid);
3331 xs *rsp = NULL;
3332 xs *msg = NULL;
3333
3334 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
3335 const char *content = xs_dict_get(args, "status");
3336 xs *atls = xs_list_new();
3337 xs *f_content = not_really_markdown(content, &atls, NULL);
3338
3339 /* replace fields with new content */
3340 msg = xs_dict_set(msg, "sourceContent", content);
3341 msg = xs_dict_set(msg, "content", f_content);
3342
3343 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
3344 msg = xs_dict_set(msg, "updated", updated);
3345
3346 /* overwrite object, not updating the indexes */
3347 object_add_ow(xs_dict_get(msg, "id"), msg);
3348
3349 /* update message */
3350 xs *c_msg = msg_update(&snac, msg);
3351
3352 enqueue_message(&snac, c_msg);
3353
3354 rsp = mastoapi_status(&snac, msg);
3355 }
3356
3357 if (rsp != NULL) {
3358 *body = xs_json_dumps(rsp, 4);
3359 *ctype = "application/json";
3360 status = HTTP_STATUS_OK;
3361 }
3362 }
3363 }
3364 else
3365 status = HTTP_STATUS_UNAUTHORIZED;
3366 }
3367
3368 /* user cleanup */
3369 if (logged_in)
3370 user_free(&snac);
3371
3372 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
3373
3374 return status;
3375}
3376
3377void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
3378/* Store header or avatar */
3379{
3380 if (data != NULL) {
3381 if (xs_type(data) == XSTYPE_LIST) {
3382 const char *fn = xs_list_get(data, 0);
3383
3384 if (fn && *fn) {
3385 const char *ext = strrchr(fn, '.');
3386
3387 /* Mona iOS sends always jpg as application/octet-stream with no filename */
3388 if (ext == NULL || strcmp(fn, key) == 0) {
3389 ext = ".jpg";
3390 }
3391
3392 /* Make sure we have a unique file name, otherwise updated images will not be
3393 * re-loaded by clients. */
3394 xs *rnd = random_str();
3395 xs *hash = xs_md5_hex(rnd, strlen(rnd));
3396 xs *id = xs_fmt("%s%s", hash, ext);
3397 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
3398 int fo = xs_number_get(xs_list_get(data, 1));
3399 int fs = xs_number_get(xs_list_get(data, 2));
3400
3401 /* store */
3402 static_put(snac, id, payload + fo, fs);
3403
3404 snac->config = xs_dict_set(snac->config, key, url);
3405 }
3406 }
3407 }
3408}
3409
3410int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
3411 const char *payload, int p_size,
3412 char **body, int *b_size, char **ctype)
3413/* Handle profile updates */
3414{
3415 (void)p_size;
3416 (void)b_size;
3417
3418 if (!xs_startswith(q_path, "/api/v1/"))
3419 return 0;
3420
3421 int status = HTTP_STATUS_NOT_FOUND;
3422 xs *args = NULL;
3423 const char *i_ctype = xs_dict_get(req, "content-type");
3424
3425 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3426 if (!xs_is_null(payload))
3427 args = xs_json_loads(payload);
3428 }
3429 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3430 {
3431 // Some apps send form data instead of json so we should cater for those
3432 if (!xs_is_null(payload)) {
3433 args = xs_url_vars(payload);
3434 }
3435 }
3436 else
3437 args = xs_dup(xs_dict_get(req, "p_vars"));
3438
3439 if (args == NULL)
3440 return HTTP_STATUS_BAD_REQUEST;
3441
3442 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3443
3444 snac snac = {0};
3445 int logged_in = process_auth_token(&snac, req);
3446
3447 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) {
3448 /* Update user profile fields */
3449 if (logged_in) {
3450 int c = 0;
3451 const xs_str *k;
3452 const xs_val *v;
3453 const xs_str *field_name = NULL;
3454 xs *new_fields = xs_dict_new();
3455 while (xs_dict_next(args, &k, &v, &c)) {
3456 if (strcmp(k, "display_name") == 0) {
3457 if (v != NULL)
3458 snac.config = xs_dict_set(snac.config, "name", v);
3459 }
3460 else
3461 if (strcmp(k, "note") == 0) {
3462 if (v != NULL)
3463 snac.config = xs_dict_set(snac.config, "bio", v);
3464 }
3465 else
3466 if (strcmp(k, "bot") == 0) {
3467 if (v != NULL)
3468 snac.config = xs_dict_set(snac.config, "bot",
3469 (strcmp(v, "true") == 0 ||
3470 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3471 }
3472 else
3473 if (strcmp(k, "source[sensitive]") == 0) {
3474 if (v != NULL)
3475 snac.config = xs_dict_set(snac.config, "cw",
3476 strcmp(v, "true") == 0 ? "open" : "");
3477 }
3478 else
3479 if (strcmp(k, "source[privacy]") == 0) {
3480 if (v != NULL)
3481 snac.config = xs_dict_set(snac.config, "private",
3482 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
3483 }
3484 else
3485 if (strcmp(k, "header") == 0) {
3486 persist_image("header", v, payload, &snac);
3487 }
3488 else
3489 if (strcmp(k, "avatar") == 0) {
3490 persist_image("avatar", v, payload, &snac);
3491 }
3492 else
3493 if (xs_between("fields_attributes", k, "[name]")) {
3494 field_name = strcmp(v, "") != 0 ? v : NULL;
3495 }
3496 else
3497 if (xs_between("fields_attributes", k, "[value]")) {
3498 if (field_name != NULL) {
3499 new_fields = xs_dict_set(new_fields, field_name, v);
3500 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
3501 }
3502 }
3503 /* we don't have support for the following options, yet
3504 - discoverable (0/1)
3505 - locked (0/1)
3506 */
3507 }
3508
3509 /* Persist profile */
3510 if (user_persist(&snac, 1) == 0)
3511 credentials_get(body, ctype, &status, snac);
3512 else
3513 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
3514 }
3515 else
3516 status = HTTP_STATUS_UNAUTHORIZED;
3517 }
3518
3519 /* user cleanup */
3520 if (logged_in)
3521 user_free(&snac);
3522
3523 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
3524
3525 return status;
3526}
3527
3528
3529void mastoapi_purge(void)
3530{
3531 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
3532 xs *files = xs_glob(spec, 1, 0);
3533 xs_list *p = files;
3534 const xs_str *v;
3535
3536 time_t mt = time(NULL) - 3600;
3537
3538 while (xs_list_iter(&p, &v)) {
3539 xs *cid = xs_replace(v, ".json", "");
3540 xs *fn = _app_fn(cid);
3541
3542 if (mtime(fn) < mt) {
3543 /* get the app */
3544 xs *app = app_get(cid);
3545
3546 if (app) {
3547 /* old apps with no uid are incomplete cruft */
3548 const char *uid = xs_dict_get(app, "uid");
3549
3550 if (xs_is_null(uid) || *uid == '\0') {
3551 unlink(fn);
3552 srv_debug(2, xs_fmt("purged %s", fn));
3553 }
3554 }
3555 }
3556 }
3557}
3558
3559
3560#endif /* #ifndef NO_MASTODON_API */
