2.88
mastoapi.c
1/* snac - A simple, minimalistic ActivityPub instance */
2/* copyright (c) 2022 - 2026 grunfink et al. / MIT license */
3
4#ifndef NO_MASTODON_API
5
6#include "xs.h"
7#include "xs_hex.h"
8#include "xs_openssl.h"
9#include "xs_json.h"
10#include "xs_io.h"
11#include "xs_time.h"
12#include "xs_glob.h"
13#include "xs_set.h"
14#include "xs_random.h"
15#include "xs_url.h"
16#include "xs_mime.h"
17#include "xs_match.h"
18#include "xs_unicode.h"
19#include "xs_http.h"
20
21#include "snac.h"
22
23#include <sys/time.h>
24
25static xs_str *random_str(void)
26/* just what is says in the tin */
27{
28 unsigned int data[4] = {0};
29
30 xs_rnd_buf(data, sizeof(data));
31 return xs_hex_enc((char *)data, sizeof(data));
32}
33
34
35int app_add(const char *id, const xs_dict *app)
36/* stores an app */
37{
38 if (!xs_is_hex(id))
39 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
40
41 int status = HTTP_STATUS_CREATED;
42 xs *fn = xs_fmt("%s/app/", srv_basedir);
43 FILE *f;
44
45 mkdirx(fn);
46 fn = xs_str_cat(fn, id);
47 fn = xs_str_cat(fn, ".json");
48
49 if ((f = fopen(fn, "w")) != NULL) {
50 xs_json_dump(app, 4, f);
51 fclose(f);
52 }
53 else
54 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
55
56 return status;
57}
58
59
60xs_str *_app_fn(const char *id)
61{
62 return xs_fmt("%s/app/%s.json", srv_basedir, id);
63}
64
65
66xs_dict *app_get(const char *id)
67/* gets an app */
68{
69 if (!xs_is_hex(id))
70 return NULL;
71
72 xs *fn = _app_fn(id);
73 xs_dict *app = NULL;
74 FILE *f;
75
76 if ((f = fopen(fn, "r")) != NULL) {
77 app = xs_json_load(f);
78 fclose(f);
79
80 }
81
82 return app;
83}
84
85
86int app_del(const char *id)
87/* deletes an app */
88{
89 if (!xs_is_hex(id))
90 return -1;
91
92 xs *fn = _app_fn(id);
93
94 return unlink(fn);
95}
96
97
98int token_add(const char *id, const xs_dict *token)
99/* stores a token */
100{
101 if (!xs_is_hex(id))
102 return HTTP_STATUS_INTERNAL_SERVER_ERROR;
103
104 int status = HTTP_STATUS_CREATED;
105 xs *fn = xs_fmt("%s/token/", srv_basedir);
106 FILE *f;
107
108 mkdirx(fn);
109 fn = xs_str_cat(fn, id);
110 fn = xs_str_cat(fn, ".json");
111
112 if ((f = fopen(fn, "w")) != NULL) {
113 xs_json_dump(token, 4, f);
114 fclose(f);
115 }
116 else
117 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
118
119 return status;
120}
121
122
123xs_dict *token_get(const char *id)
124/* gets a token */
125{
126 if (!xs_is_hex(id))
127 return NULL;
128
129 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
130 xs_dict *token = NULL;
131 FILE *f;
132
133 if ((f = fopen(fn, "r")) != NULL) {
134 token = xs_json_load(f);
135 fclose(f);
136
137 /* 'touch' the file */
138 utimes(fn, NULL);
139
140 /* also 'touch' the app */
141 const char *app_id = xs_dict_get(token, "client_id");
142
143 if (app_id) {
144 xs *afn = xs_fmt("%s/app/%s.json", srv_basedir, app_id);
145 utimes(afn, NULL);
146 }
147 }
148
149 return token;
150}
151
152
153int token_del(const char *id)
154/* deletes a token */
155{
156 if (!xs_is_hex(id))
157 return -1;
158
159 xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
160
161 return unlink(fn);
162}
163
164
165const char * const login_page = ""
166"<!DOCTYPE html>\n"
167"<html>\n"
168"<head>\n"
169"<title>%s OAuth - Snac2</title>\n"
170"<meta content=\"width=device-width, initial-scale=1, minimum-scale=1, user-scalable=no\" name=\"viewport\">"
171"<style>:root {color-scheme: light dark}</style>\n"
172"</head>\n"
173"<body><h1>%s OAuth identify</h1>\n"
174"<div style=\"background-color: red; color: white\">%s</div>\n"
175"<form method=\"post\" action=\"%s:/" "/%s/%s\">\n"
176"<p>Login: <input type=\"text\" name=\"login\" autocapitalize=\"off\"></p>\n"
177"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
178"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
179"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
180"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
181"<input type=\"submit\" value=\"OK\">\n"
182"</form><p>%s</p></body></html>\n"
183"";
184
185int oauth_get_handler(const xs_dict *req, const char *q_path,
186 char **body, int *b_size, char **ctype)
187{
188 (void)b_size;
189
190 if (!xs_startswith(q_path, "/oauth/"))
191 return 0;
192
193 int status = HTTP_STATUS_NOT_FOUND;
194 const xs_dict *msg = xs_dict_get(req, "q_vars");
195 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
196
197 srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
198
199 if (strcmp(cmd, "/authorize") == 0) { /** **/
200 const char *cid = xs_dict_get(msg, "client_id");
201 const char *ruri = xs_dict_get(msg, "redirect_uri");
202 const char *rtype = xs_dict_get(msg, "response_type");
203 const char *state = xs_dict_get(msg, "state");
204
205 status = HTTP_STATUS_BAD_REQUEST;
206
207 if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
208 xs *app = app_get(cid);
209
210 if (app != NULL) {
211 const char *host = xs_dict_get(srv_config, "host");
212 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
213
214 if (xs_is_null(state))
215 state = "";
216
217 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
218 ruri, cid, state, USER_AGENT);
219 *ctype = "text/html";
220 status = HTTP_STATUS_OK;
221
222 srv_debug(1, xs_fmt("oauth authorize: generating login page"));
223 }
224 else
225 srv_debug(1, xs_fmt("oauth authorize: bad client_id %s", cid));
226 }
227 else
228 srv_debug(1, xs_fmt("oauth authorize: invalid or unset arguments"));
229 }
230 else
231 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
232 const char *host = xs_dict_get(srv_config, "host");
233 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
234
235 *body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
236 "", "", "", USER_AGENT);
237 *ctype = "text/html";
238 status = HTTP_STATUS_OK;
239
240 }
241
242 return status;
243}
244
245
246int oauth_post_handler(const xs_dict *req, const char *q_path,
247 const char *payload, int p_size,
248 char **body, int *b_size, char **ctype)
249{
250 (void)p_size;
251 (void)b_size;
252
253 if (!xs_startswith(q_path, "/oauth/"))
254 return 0;
255
256 int status = HTTP_STATUS_NOT_FOUND;
257
258 const char *i_ctype = xs_dict_get(req, "content-type");
259 xs *args = NULL;
260
261 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
262 if (!xs_is_null(payload))
263 args = xs_json_loads(payload);
264 }
265 else
266 if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded") && payload) {
267 args = xs_url_vars(payload);
268 }
269 else
270 args = xs_dup(xs_dict_get(req, "p_vars"));
271
272 if (args == NULL)
273 return HTTP_STATUS_BAD_REQUEST;
274
275 xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
276
277 srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
278
279 if (strcmp(cmd, "/x-snac-login") == 0) { /** **/
280 const char *login = xs_dict_get(args, "login");
281 const char *passwd = xs_dict_get(args, "passwd");
282 const char *redir = xs_dict_get(args, "redir");
283 const char *cid = xs_dict_get(args, "cid");
284 const char *state = xs_dict_get(args, "state");
285 const char *host = xs_dict_get(srv_config, "host");
286 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
287
288 /* by default, generate another login form with an error */
289 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
290 redir, cid, state, USER_AGENT);
291 *ctype = "text/html";
292 status = HTTP_STATUS_OK;
293
294 if (login && passwd && redir && cid) {
295 snac snac;
296
297 if (user_open(&snac, login)) {
298 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
299 xs_dict_get(req, "x-forwarded-for"));
300
301 if (badlogin_check(login, addr)) {
302 /* check the login + password */
303 if (check_password(login, passwd, xs_dict_get(snac.config, "passwd"))) {
304 /* success! redirect to the desired uri */
305 xs *code = random_str();
306
307 xs_free(*body);
308
309 if (strcmp(redir, "urn:ietf:wg:oauth:2.0:oob") == 0) {
310 *body = xs_dup(code);
311 }
312 else {
313 if (xs_str_in(redir, "?") != -1)
314 *body = xs_fmt("%s&code=%s", redir, code);
315 else
316 *body = xs_fmt("%s?code=%s", redir, code);
317
318 status = HTTP_STATUS_SEE_OTHER;
319 }
320
321 /* if there is a state, add it */
322 if (!xs_is_null(state) && *state) {
323 *body = xs_str_cat(*body, "&state=");
324 *body = xs_str_cat(*body, state);
325 }
326
327 srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
328 login, *body));
329
330 /* assign the login to the app */
331 xs *app = app_get(cid);
332
333 if (app != NULL) {
334 app = xs_dict_set(app, "uid", login);
335 app = xs_dict_set(app, "code", code);
336 app_add(cid, app);
337 }
338 else
339 srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
340 }
341 else {
342 srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
343 badlogin_inc(login, addr);
344 }
345 }
346
347 user_free(&snac);
348 }
349 else
350 srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
351 }
352 else
353 srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
354 }
355 else
356 if (strcmp(cmd, "/token") == 0) { /** **/
357 xs *wrk = NULL;
358 const char *gtype = xs_dict_get(args, "grant_type");
359 const char *code = xs_dict_get(args, "code");
360 const char *cid = xs_dict_get(args, "client_id");
361 const char *csec = xs_dict_get(args, "client_secret");
362 const char *ruri = xs_dict_get(args, "redirect_uri");
363 const char *scope = xs_dict_get(args, "scope");
364
365 /* no client_secret? check if it's inside an authorization header
366 (AndStatus does it this way) */
367 if (xs_is_null(csec)) {
368 const char *auhdr = xs_dict_get(req, "authorization");
369
370 if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
371 xs *s1 = xs_replace_n(auhdr, "Basic ", "", 1);
372 int size;
373 xs *s2 = xs_base64_dec(s1, &size);
374
375 if (!xs_is_null(s2)) {
376 xs *l1 = xs_split(s2, ":");
377
378 if (xs_list_len(l1) == 2) {
379 wrk = xs_dup(xs_list_get(l1, 1));
380 csec = wrk;
381 }
382 }
383 }
384 }
385
386 /* no code?
387 I'm not sure of the impacts of this right now, but Subway Tooter does not
388 provide a code so one must be generated */
389 if (xs_is_null(code)){
390 code = random_str();
391 }
392 if (gtype && code && cid && csec && ruri) {
393 xs *app = app_get(cid);
394
395 if (app == NULL) {
396 status = HTTP_STATUS_UNAUTHORIZED;
397 srv_log(xs_fmt("oauth token: invalid app %s", cid));
398 }
399 else
400 if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
401 status = HTTP_STATUS_UNAUTHORIZED;
402 srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
403 }
404 else {
405 xs *rsp = xs_dict_new();
406 xs *cat = xs_number_new(time(NULL));
407 xs *tokid = random_str();
408
409 rsp = xs_dict_append(rsp, "access_token", tokid);
410 rsp = xs_dict_append(rsp, "token_type", "Bearer");
411 rsp = xs_dict_append(rsp, "created_at", cat);
412
413 if (!xs_is_null(scope))
414 rsp = xs_dict_append(rsp, "scope", scope);
415
416 *body = xs_json_dumps(rsp, 4);
417 *ctype = "application/json";
418 status = HTTP_STATUS_OK;
419
420 const char *uid = xs_dict_get(app, "uid");
421
422 srv_debug(1, xs_fmt("oauth token: "
423 "successful login for %s, new token %s", uid, tokid));
424
425 xs *token = xs_dict_new();
426 token = xs_dict_append(token, "token", tokid);
427 token = xs_dict_append(token, "client_id", cid);
428 token = xs_dict_append(token, "client_secret", csec);
429 token = xs_dict_append(token, "uid", uid);
430 token = xs_dict_append(token, "code", code);
431
432 token_add(tokid, token);
433 }
434 }
435 else {
436 srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
437 status = HTTP_STATUS_BAD_REQUEST;
438 }
439 }
440 else
441 if (strcmp(cmd, "/revoke") == 0) { /** **/
442 const char *cid = xs_dict_get(args, "client_id");
443 const char *csec = xs_dict_get(args, "client_secret");
444 const char *tokid = xs_dict_get(args, "token");
445
446 if (cid && csec && tokid) {
447 xs *token = token_get(tokid);
448
449 *body = xs_str_new("{}");
450 *ctype = "application/json";
451
452 if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
453 srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
454 status = HTTP_STATUS_FORBIDDEN;
455 }
456 else {
457 token_del(tokid);
458 srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
459 status = HTTP_STATUS_OK;
460
461 /* also delete the app, as it serves no purpose from now on */
462 app_del(cid);
463 }
464 }
465 else {
466 srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
467 status = HTTP_STATUS_FORBIDDEN;
468 }
469 }
470 if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
471 const char *login = xs_dict_get(args, "login");
472 const char *passwd = xs_dict_get(args, "passwd");
473 const char *host = xs_dict_get(srv_config, "host");
474 const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
475
476 /* by default, generate another login form with an error */
477 *body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
478 "", "", "", USER_AGENT);
479 *ctype = "text/html";
480 status = HTTP_STATUS_OK;
481
482 if (login && passwd) {
483 snac user;
484
485 if (user_open(&user, login)) {
486 const char *addr = xs_or(xs_dict_get(req, "remote-addr"),
487 xs_dict_get(req, "x-forwarded-for"));
488
489 if (badlogin_check(login, addr)) {
490 /* check the login + password */
491 if (check_password(login, passwd, xs_dict_get(user.config, "passwd"))) {
492 /* success! create a new token */
493 xs *tokid = random_str();
494
495 srv_debug(1, xs_fmt("x-snac-new-token: "
496 "successful login for %s, new token %s", login, tokid));
497
498 xs *token = xs_dict_new();
499 token = xs_dict_append(token, "token", tokid);
500 token = xs_dict_append(token, "client_id", "snac-client");
501 token = xs_dict_append(token, "client_secret", "");
502 token = xs_dict_append(token, "uid", login);
503 token = xs_dict_append(token, "code", "");
504
505 token_add(tokid, token);
506
507 *ctype = "text/plain";
508 xs_free(*body);
509 *body = xs_dup(tokid);
510 }
511 else
512 badlogin_inc(login, addr);
513
514 user_free(&user);
515 }
516 }
517 }
518 }
519
520 return status;
521}
522
523
524xs_str *mastoapi_id(const xs_dict *msg)
525/* returns a somewhat Mastodon-compatible status id */
526{
527 const char *id = xs_dict_get(msg, "id");
528 xs *md5 = xs_md5_hex(id, strlen(id));
529
530 return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
531}
532
533#define MID_TO_MD5(id) (id + 10)
534
535
536static xs_val *get_count_from_actor(const xs_dict *actor, const char *field_names[], const char *collection_url_field)
537/* helper to extract count from actor dict using various field name variations or from cached collection */
538{
539 xs_val *count = NULL;
540
541 /* try direct field name variations first */
542 for (int i = 0; field_names[i] && xs_type(count) != XSTYPE_NUMBER; i++) {
543 const xs_number *val = xs_dict_get(actor, field_names[i]);
544 if (xs_type(val) == XSTYPE_NUMBER)
545 count = xs_dup(val);
546 }
547
548 /* if not found directly, try to get from cached collection object */
549 if (xs_type(count) != XSTYPE_NUMBER) {
550 const char *url = xs_dict_get(actor, collection_url_field);
551 if (!xs_is_null(url)) {
552 xs *coll = NULL;
553 if (valid_status(object_get(url, &coll))) {
554 const xs_number *total = xs_dict_get(coll, "totalItems");
555 if (xs_type(total) == XSTYPE_NUMBER)
556 count = xs_dup(total);
557 }
558 }
559 }
560
561 return count;
562}
563
564
565static const xs_list *get_collection_items(snac *snac, const char *collection_url,
566 xs_dict **out_collection, xs_dict **out_page)
567/* fetches items from an ActivityPub collection (outbox, etc) with minimal HTTP requests */
568{
569 const xs_list *items = NULL;
570 xs_dict *collection = NULL;
571
572 if (valid_status(activitypub_request(snac, collection_url, &collection))) {
573 /* check if items are directly embedded */
574 items = xs_dict_get(collection, "orderedItems");
575 if (xs_is_null(items))
576 items = xs_dict_get(collection, "items");
577
578 if (!xs_is_null(items)) {
579 /* items found in main collection - transfer ownership to keep items valid */
580 if (out_collection)
581 *out_collection = collection;
582 return items;
583 }
584
585 /* if no items, try fetching first page (only 1 extra request) */
586 const char *first_url = xs_dict_get(collection, "first");
587 if (!xs_is_null(first_url)) {
588 xs_dict *first_page = NULL;
589 if (valid_status(activitypub_request(snac, first_url, &first_page))) {
590 items = xs_dict_get(first_page, "orderedItems");
591 if (xs_is_null(items))
592 items = xs_dict_get(first_page, "items");
593
594 if (!xs_is_null(items)) {
595 /* items found in first page - transfer ownership to keep items valid */
596 if (out_page)
597 *out_page = first_page;
598 xs_free(collection);
599 return items;
600 }
601 xs_free(first_page);
602 }
603 }
604 xs_free(collection);
605 }
606
607 return NULL;
608}
609
610
611static const xs_dict *extract_post_from_item(const xs_val *item)
612/* extracts the post object from an outbox item, handling Create/Announce wrappers */
613{
614 if (xs_type(item) != XSTYPE_DICT)
615 return NULL;
616
617 const char *item_type = xs_dict_get(item, "type");
618 const xs_dict *post = item;
619
620 /* if it's an activity, try to get embedded object */
621 if (!xs_is_null(item_type) &&
622 (strcmp(item_type, "Create") == 0 || strcmp(item_type, "Announce") == 0)) {
623 const xs_val *obj = xs_dict_get(item, "object");
624
625 /* only use embedded objects, skip URL references (would need HTTP fetch) */
626 if (!xs_is_null(obj) && xs_type(obj) == XSTYPE_DICT)
627 post = obj;
628 else
629 return NULL;
630 }
631
632 return post;
633}
634
635
636static int is_valid_post_type(const char *post_type)
637/* checks if a type is a valid post type for timeline display */
638{
639 return !xs_is_null(post_type) &&
640 (strcmp(post_type, "Note") == 0 ||
641 strcmp(post_type, "Article") == 0 ||
642 strcmp(post_type, "Question") == 0 ||
643 strcmp(post_type, "Page") == 0);
644}
645
646
647xs_dict *mastoapi_account(snac *logged, const xs_dict *actor)
648/* converts an ActivityPub actor to a Mastodon account */
649{
650 const char *id = xs_dict_get(actor, "id");
651 const char *pub = xs_dict_get(actor, "published");
652 const char *proxy = NULL;
653
654 if (xs_type(id) != XSTYPE_STRING)
655 return NULL;
656
657 if (logged && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
658 proxy = logged->actor;
659
660 const char *prefu = xs_dict_get(actor, "preferredUsername");
661
662 const char *display_name = xs_dict_get(actor, "name");
663 if (xs_is_null(display_name) || *display_name == '\0')
664 display_name = prefu;
665
666 xs_dict *acct = xs_dict_new();
667 xs *acct_md5 = xs_md5_hex(id, strlen(id));
668 acct = xs_dict_append(acct, "id", acct_md5);
669 acct = xs_dict_append(acct, "username", prefu);
670 acct = xs_dict_append(acct, "display_name", display_name);
671 acct = xs_dict_append(acct, "discoverable", xs_stock(XSTYPE_TRUE));
672 acct = xs_dict_append(acct, "group", xs_stock(XSTYPE_FALSE));
673 acct = xs_dict_append(acct, "hide_collections", xs_stock(XSTYPE_FALSE));
674 acct = xs_dict_append(acct, "indexable", xs_stock(XSTYPE_TRUE));
675 acct = xs_dict_append(acct, "noindex", xs_stock(XSTYPE_FALSE));
676 acct = xs_dict_append(acct, "roles", xs_stock(XSTYPE_LIST));
677
678 {
679 /* create the acct field as user@host */
680 xs *l = xs_split(id, "/");
681 xs *fquid = xs_fmt("%s@%s", prefu, xs_list_get(l, 2));
682 acct = xs_dict_append(acct, "acct", fquid);
683 }
684
685 if (pub)
686 acct = xs_dict_append(acct, "created_at", pub);
687 else {
688 /* unset created_at crashes Tusky, so lie like a mf */
689 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
690 acct = xs_dict_append(acct, "created_at", date);
691 }
692
693 xs *last_status_at = xs_str_utctime(0, "%Y-%m-%d");
694 acct = xs_dict_append(acct, "last_status_at", last_status_at);
695
696 const char *note = xs_dict_get(actor, "summary");
697 if (xs_is_null(note))
698 note = "";
699
700 if (strcmp(xs_dict_get(actor, "type"), "Service") == 0)
701 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_TRUE));
702 else
703 acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_FALSE));
704
705 acct = xs_dict_append(acct, "note", note);
706
707 acct = xs_dict_append(acct, "url", id);
708 acct = xs_dict_append(acct, "uri", id);
709
710 xs *avatar = NULL;
711 const xs_dict *av = xs_dict_get(actor, "icon");
712
713 if (xs_type(av) == XSTYPE_DICT) {
714 const char *url = xs_dict_get(av, "url");
715
716 if (url != NULL)
717 avatar = make_url(url, proxy, 1);
718 }
719
720 if (avatar == NULL)
721 avatar = xs_fmt("%s/susie.png", srv_baseurl);
722
723 acct = xs_dict_append(acct, "avatar", avatar);
724 acct = xs_dict_append(acct, "avatar_static", avatar);
725
726 xs *header = NULL;
727 const xs_dict *hd = xs_dict_get(actor, "image");
728
729 if (xs_type(hd) == XSTYPE_DICT)
730 header = make_url(xs_dict_get(hd, "url"), proxy, 1);
731
732 if (xs_is_null(header))
733 header = xs_str_new(NULL);
734
735 acct = xs_dict_append(acct, "header", header);
736 acct = xs_dict_append(acct, "header_static", header);
737
738 /* emojis */
739 const xs_list *p;
740 if (!xs_is_null(p = xs_dict_get(actor, "tag"))) {
741 xs *eml = xs_list_new();
742 const xs_dict *v;
743 int c = 0;
744
745 while (xs_list_next(p, &v, &c)) {
746 const char *type = xs_dict_get(v, "type");
747
748 if (!xs_is_null(type) && strcmp(type, "Emoji") == 0) {
749 const char *name = xs_dict_get(v, "name");
750 const xs_dict *icon = xs_dict_get(v, "icon");
751
752 if (!xs_is_null(name) && !xs_is_null(icon)) {
753 const char *o_url = xs_dict_get(icon, "url");
754
755 if (!xs_is_null(o_url)) {
756 xs *url = make_url(o_url, proxy, 1);
757 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
758 xs *d1 = xs_dict_new();
759
760 d1 = xs_dict_append(d1, "shortcode", nm);
761 d1 = xs_dict_append(d1, "url", url);
762 d1 = xs_dict_append(d1, "static_url", url);
763 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
764
765 eml = xs_list_append(eml, d1);
766 }
767 }
768 }
769 }
770
771 acct = xs_dict_append(acct, "emojis", eml);
772 }
773
774 acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
775
776 /* try to get counts from actor object if available (some servers include these) */
777 const char *fcount_fields[] = { "followersCount", "followers_count", NULL };
778 const char *gcount_fields[] = { "followingCount", "following_count", NULL };
779 const char *scount_fields[] = { "statusesCount", "statuses_count", "totalItems", NULL };
780
781 xs *followers_count = get_count_from_actor(actor, fcount_fields, "followers");
782 xs *following_count = get_count_from_actor(actor, gcount_fields, "following");
783 xs *statuses_count = get_count_from_actor(actor, scount_fields, "outbox");
784
785 acct = xs_dict_append(acct, "followers_count",
786 xs_type(followers_count) == XSTYPE_NUMBER ? followers_count : xs_stock(0));
787 acct = xs_dict_append(acct, "following_count",
788 xs_type(following_count) == XSTYPE_NUMBER ? following_count : xs_stock(0));
789 acct = xs_dict_append(acct, "statuses_count",
790 xs_type(statuses_count) == XSTYPE_NUMBER ? statuses_count : xs_stock(0));
791
792 xs *fields = xs_list_new();
793 p = xs_dict_get(actor, "attachment");
794 const xs_dict *v;
795
796 /* dict of validated links */
797 xs_dict *val_links = NULL;
798 const xs_dict *metadata = xs_stock(XSTYPE_DICT);
799 snac user = {0};
800
801 if (xs_startswith(id, srv_baseurl)) {
802 /* if it's a local user, open it and pick its validated links */
803 if (user_open(&user, prefu)) {
804 val_links = user.links;
805 metadata = xs_dict_get_def(user.config, "metadata", xs_stock(XSTYPE_DICT));
806
807 /* does this user want to publish their contact metrics? */
808 if (xs_is_true(xs_dict_get(user.config, "show_contact_metrics"))) {
809 int fwing = following_list_len(&user);
810 int fwers = follower_list_len(&user);
811 xs *ni = xs_number_new(fwing);
812 xs *ne = xs_number_new(fwers);
813
814 acct = xs_dict_append(acct, "followers_count", ne);
815 acct = xs_dict_append(acct, "following_count", ni);
816 }
817 }
818 }
819
820 if (xs_is_null(val_links))
821 val_links = xs_stock(XSTYPE_DICT);
822
823 int c = 0;
824 while (xs_list_next(p, &v, &c)) {
825 const char *type = xs_dict_get(v, "type");
826 const char *name = xs_dict_get(v, "name");
827 const char *value = xs_dict_get(v, "value");
828
829 if (!xs_is_null(type) && !xs_is_null(name) &&
830 !xs_is_null(value) && strcmp(type, "PropertyValue") == 0) {
831 xs *val_date = NULL;
832
833 const char *url = xs_dict_get(metadata, name);
834
835 if (!xs_is_null(url) && xs_startswith(url, "https:/" "/")) {
836 const xs_number *verified_time = xs_dict_get(val_links, url);
837 if (xs_type(verified_time) == XSTYPE_NUMBER) {
838 time_t t = xs_number_get(verified_time);
839
840 if (t > 0)
841 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
842 }
843 }
844
845 xs *d = xs_dict_new();
846
847 d = xs_dict_append(d, "name", name);
848 d = xs_dict_append(d, "value", value);
849 d = xs_dict_append(d, "verified_at",
850 xs_type(val_date) == XSTYPE_STRING && *val_date ?
851 val_date : xs_stock(XSTYPE_NULL));
852
853 fields = xs_list_append(fields, d);
854 }
855 }
856
857 user_free(&user);
858
859 acct = xs_dict_append(acct, "fields", fields);
860
861 return acct;
862}
863
864
865xs_str *mastoapi_date(const char *date)
866/* converts an ISO 8601 date to whatever format Mastodon uses */
867{
868 xs_str *s = xs_crop_i(xs_dup(date), 0, 19);
869 s = xs_str_cat(s, ".000Z");
870
871 return s;
872}
873
874
875xs_dict *mastoapi_poll(snac *snac, const xs_dict *msg)
876/* creates a mastoapi Poll object */
877{
878 xs_dict *poll = xs_dict_new();
879 xs *mid = mastoapi_id(msg);
880 const xs_list *opts = NULL;
881 const xs_val *v;
882 int num_votes = 0;
883 xs *options = xs_list_new();
884
885 poll = xs_dict_append(poll, "id", mid);
886 const char *date = xs_dict_get(msg, "endTime");
887 if (date == NULL)
888 date = xs_dict_get(msg, "closed");
889 if (date == NULL)
890 return NULL;
891
892 xs *fd = mastoapi_date(date);
893 poll = xs_dict_append(poll, "expires_at", fd);
894
895 date = xs_dict_get(msg, "closed");
896 time_t t = 0;
897
898 if (date != NULL)
899 t = xs_parse_iso_date(date, 0);
900
901 poll = xs_dict_append(poll, "expired",
902 t < time(NULL) ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
903
904 if ((opts = xs_dict_get(msg, "oneOf")) != NULL)
905 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_FALSE));
906 else {
907 opts = xs_dict_get(msg, "anyOf");
908 poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_TRUE));
909 }
910
911 int c = 0;
912 while (xs_list_next(opts, &v, &c)) {
913 const char *title = xs_dict_get(v, "name");
914 const char *replies = xs_dict_get(v, "replies");
915
916 if (title && replies) {
917 const char *votes_count = xs_dict_get(replies, "totalItems");
918
919 if (xs_type(votes_count) == XSTYPE_NUMBER) {
920 xs *d = xs_dict_new();
921 d = xs_dict_append(d, "title", title);
922 d = xs_dict_append(d, "votes_count", votes_count);
923
924 options = xs_list_append(options, d);
925 num_votes += xs_number_get(votes_count);
926 }
927 }
928 }
929
930 poll = xs_dict_append(poll, "options", options);
931 xs *vc = xs_number_new(num_votes);
932 poll = xs_dict_append(poll, "votes_count", vc);
933
934 poll = xs_dict_append(poll, "emojis", xs_stock(XSTYPE_LIST));
935
936 poll = xs_dict_append(poll, "voted",
937 (snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ?
938 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
939
940 return poll;
941}
942
943
944xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
945/* converts an ActivityPub note to a Mastodon status */
946{
947 xs *actor = NULL;
948 actor_get_refresh(snac, get_atto(msg), &actor);
949 const char *proxy = NULL;
950
951 /* if the author is not here, discard */
952 if (actor == NULL)
953 return NULL;
954
955 if (snac && xs_is_true(xs_dict_get(srv_config, "proxy_media")))
956 proxy = snac->actor;
957
958 const char *type = xs_dict_get(msg, "type");
959 const char *id = xs_dict_get(msg, "id");
960
961 /* fail if it's not a valid actor */
962 if (xs_is_null(type) || xs_is_null(id))
963 return NULL;
964
965 xs *acct = mastoapi_account(snac, actor);
966 if (acct == NULL)
967 return NULL;
968
969 xs *idx = NULL;
970 xs *ixc = NULL;
971 const char *tmp;
972 xs *mid = mastoapi_id(msg);
973
974 xs_dict *st = xs_dict_new();
975
976 st = xs_dict_append(st, "id", mid);
977 st = xs_dict_append(st, "uri", id);
978 st = xs_dict_append(st, "url", id);
979 st = xs_dict_append(st, "account", acct);
980
981 const char *published = xs_dict_get(msg, "published");
982 xs *fd = NULL;
983
984 if (published)
985 fd = mastoapi_date(published);
986 else {
987 xs *p = xs_str_iso_date(0);
988 fd = mastoapi_date(p);
989 }
990
991 st = xs_dict_append(st, "created_at", fd);
992
993 {
994 const char *content = xs_dict_get(msg, "content");
995 const char *name = xs_dict_get(msg, "name");
996 xs *s1 = NULL;
997
998 if (name && content)
999 s1 = xs_fmt("%s<br><br>%s", name, content);
1000 else
1001 if (name)
1002 s1 = xs_dup(name);
1003 else
1004 if (content)
1005 s1 = xs_dup(content);
1006 else
1007 s1 = xs_str_new(NULL);
1008
1009 st = xs_dict_append(st, "content", s1);
1010 }
1011
1012 /* determine visibility: https://docs.joinmastodon.org/entities/Status/#visibility */
1013 const int scope = get_msg_visibility(msg);
1014 if (scope == SCOPE_PUBLIC)
1015 st = xs_dict_append(st, "visibility", "public");
1016 else if (scope == SCOPE_FOLLOWERS)
1017 st = xs_dict_append(st, "visibility", "private");
1018 else if (scope == SCOPE_MENTIONED)
1019 st = xs_dict_append(st, "visibility", "direct");
1020 else if (scope == SCOPE_UNLISTED)
1021 st = xs_dict_append(st, "visibility", "unlisted");
1022
1023 tmp = xs_dict_get(msg, "sensitive");
1024 if (xs_is_null(tmp))
1025 tmp = xs_stock(XSTYPE_FALSE);
1026
1027 st = xs_dict_append(st, "sensitive", tmp);
1028
1029 tmp = xs_dict_get(msg, "summary");
1030 if (xs_is_null(tmp))
1031 tmp = "";
1032
1033 st = xs_dict_append(st, "spoiler_text", tmp);
1034
1035 /* create the list of attachments */
1036 xs *attach = get_attachments(msg);
1037
1038 {
1039 xs_list *p = attach;
1040 const xs_dict *v;
1041
1042 xs *matt = xs_list_new();
1043
1044 while (xs_list_iter(&p, &v)) {
1045 const char *type = xs_dict_get(v, "type");
1046 const char *o_href = xs_dict_get(v, "href");
1047 const char *name = xs_dict_get(v, "name");
1048
1049 if (xs_match(type, "image/*|video/*|audio/*|Image|Video")) { /* */
1050 xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
1051 xs *href = make_url(o_href, proxy, 1);
1052
1053 xs *d = xs_dict_new();
1054
1055 d = xs_dict_append(d, "id", matteid);
1056 d = xs_dict_append(d, "url", href);
1057 d = xs_dict_append(d, "preview_url", href);
1058 d = xs_dict_append(d, "remote_url", href);
1059 d = xs_dict_append(d, "description", name);
1060
1061 d = xs_dict_append(d, "type", (*type == 'v' || *type == 'V') ? "video" :
1062 (*type == 'a' || *type == 'A') ? "audio" : "image");
1063
1064 matt = xs_list_append(matt, d);
1065 }
1066 }
1067
1068 st = xs_dict_append(st, "media_attachments", matt);
1069 }
1070
1071 {
1072 xs *ml = xs_list_new();
1073 xs *htl = xs_list_new();
1074 xs *eml = xs_list_new();
1075 const xs_list *tag = xs_dict_get(msg, "tag");
1076 int n = 0;
1077
1078 xs *tag_list = NULL;
1079
1080 if (xs_type(tag) == XSTYPE_DICT) {
1081 tag_list = xs_list_new();
1082 tag_list = xs_list_append(tag_list, tag);
1083 }
1084 else
1085 if (xs_type(tag) == XSTYPE_LIST)
1086 tag_list = xs_dup(tag);
1087 else
1088 tag_list = xs_list_new();
1089
1090 tag = tag_list;
1091 const xs_dict *v;
1092
1093 int c = 0;
1094 while (xs_list_next(tag, &v, &c)) {
1095 const char *type = xs_dict_get(v, "type");
1096
1097 if (xs_is_null(type))
1098 continue;
1099
1100 xs *d1 = xs_dict_new();
1101
1102 if (strcmp(type, "Mention") == 0) {
1103 const char *name = xs_dict_get(v, "name");
1104 const char *href = xs_dict_get(v, "href");
1105
1106 if (!xs_is_null(name) && !xs_is_null(href) &&
1107 (snac == NULL || strcmp(href, snac->actor) != 0)) {
1108 xs *nm = xs_strip_chars_i(xs_dup(name), "@");
1109
1110 xs *id = xs_fmt("%d", n++);
1111 d1 = xs_dict_append(d1, "id", id);
1112 d1 = xs_dict_append(d1, "username", nm);
1113 d1 = xs_dict_append(d1, "acct", nm);
1114 d1 = xs_dict_append(d1, "url", href);
1115
1116 ml = xs_list_append(ml, d1);
1117 }
1118 }
1119 else
1120 if (strcmp(type, "Hashtag") == 0) {
1121 const char *name = xs_dict_get(v, "name");
1122 const char *href = xs_dict_get(v, "href");
1123
1124 if (!xs_is_null(name) && !xs_is_null(href)) {
1125 xs *nm = xs_strip_chars_i(xs_dup(name), "#");
1126
1127 d1 = xs_dict_append(d1, "name", nm);
1128 d1 = xs_dict_append(d1, "url", href);
1129
1130 htl = xs_list_append(htl, d1);
1131 }
1132 }
1133 else
1134 if (strcmp(type, "Emoji") == 0) {
1135 const char *name = xs_dict_get(v, "name");
1136 const xs_dict *icon = xs_dict_get(v, "icon");
1137
1138 if (!xs_is_null(name) && !xs_is_null(icon)) {
1139 const char *o_url = xs_dict_get(icon, "url");
1140
1141 if (!xs_is_null(o_url)) {
1142 xs *url = make_url(o_url, snac ? snac->actor : NULL, 1);
1143 xs *nm = xs_strip_chars_i(xs_dup(name), ":");
1144
1145 d1 = xs_dict_append(d1, "shortcode", nm);
1146 d1 = xs_dict_append(d1, "url", url);
1147 d1 = xs_dict_append(d1, "static_url", url);
1148 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1149 d1 = xs_dict_append(d1, "category", "Emojis");
1150
1151 eml = xs_list_append(eml, d1);
1152 }
1153 }
1154 }
1155 }
1156
1157 st = xs_dict_append(st, "mentions", ml);
1158 st = xs_dict_append(st, "tags", htl);
1159 st = xs_dict_append(st, "emojis", eml);
1160 }
1161 {
1162 xs *rl = object_get_emoji_reacts(id);
1163 xs *frl = xs_list_new(); /* final */
1164 xs *sfrl = xs_dict_new(); /* seen */
1165 int c = 0;
1166 const char *v;
1167
1168 while (xs_list_next(rl, &v, &c)) {
1169 xs *msg = NULL;
1170 if (valid_status(object_get_by_md5(v, &msg))) {
1171 const char *content = xs_dict_get(msg, "content");
1172 const char *actor = xs_dict_get(msg, "actor");
1173 const xs_list *contentl = xs_dict_get(sfrl, content);
1174
1175 if ((snac && is_muted(snac, actor)) || is_instance_blocked(actor))
1176 continue;
1177
1178 /* NOTE: idk when there are no actor, but i encountered that bug.
1179 * Probably because of one of my previous attempts.
1180 * Keeping this just in case, can remove later */
1181 const char *me = actor && snac && strcmp(actor, snac->actor) == 0 ?
1182 xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE);
1183 int count = 1;
1184
1185 if (contentl) {
1186 count = atoi(xs_list_get(contentl, 0)) + 1;
1187 if (strncmp(xs_list_get(contentl, 1), xs_stock(XSTYPE_TRUE), 1) == 0)
1188 me = xs_stock(XSTYPE_TRUE);
1189 }
1190
1191 xs *fl = xs_list_new();
1192 xs *c1 = xs_fmt("%d", count);
1193 fl = xs_list_append(fl, c1, me);
1194 sfrl = xs_dict_append(sfrl, content, fl);
1195 }
1196 }
1197
1198 c = 0;
1199
1200 while (xs_list_next(rl, &v, &c)) {
1201 xs *msg = NULL;
1202 if (valid_status(object_get_by_md5(v, &msg))) {
1203 xs *d1 = xs_dict_new();
1204
1205 const xs_dict *icon = xs_dict_get(xs_list_get(xs_dict_get(msg, "tag"), 0), "icon");
1206 const char *o_url = xs_dict_get(icon, "url");
1207 const char *name = xs_dict_get(msg, "content");
1208 const char *actor = xs_dict_get(msg, "actor");
1209
1210 xs *nm = xs_dup(name);
1211 xs *url = NULL;
1212
1213 if (!xs_is_null(o_url)) {
1214 if (actor && snac && !strcmp(actor, snac->actor))
1215 url = make_url(o_url, NULL, 1);
1216 else
1217 url = xs_dup(o_url);
1218 }
1219
1220 xs *accounts = xs_list_new();
1221 if (actor) {
1222 xs *d2 = xs_dict_new();
1223 object_get(actor, &d2);
1224 xs *e_acct = mastoapi_account(snac, d2);
1225 accounts = xs_list_append(accounts, e_acct);
1226 }
1227
1228 const xs_list *item = xs_dict_get(sfrl, nm);
1229 const xs_str *nb = xs_list_get(item, 0);
1230 const xs_val *me = xs_list_get(item, 1);
1231 if (item == NULL)
1232 continue;
1233
1234 if (nm && strcmp(nm, "")) {
1235 if (url && strcmp(url, "")) {
1236 d1 = xs_dict_append(d1, "name", nm);
1237 d1 = xs_dict_append(d1, "shortcode", nm);
1238 d1 = xs_dict_append(d1, "accounts", accounts);
1239 d1 = xs_dict_append(d1, "me", me);
1240 d1 = xs_dict_append(d1, "url", url);
1241 d1 = xs_dict_append(d1, "static_url", url);
1242 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1243 d1 = xs_dict_append(d1, "count", nb);
1244 } else {
1245 d1 = xs_dict_append(d1, "name", nm);
1246 d1 = xs_dict_append(d1, "count", nb);
1247 d1 = xs_dict_append(d1, "me", me);
1248 d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
1249 }
1250 sfrl = xs_dict_del(sfrl, nm);
1251 frl = xs_list_append(frl, d1);
1252 }
1253 }
1254 }
1255
1256 st = xs_dict_append(st, "reactions", frl);
1257 }
1258
1259 xs_free(idx);
1260 xs_free(ixc);
1261 idx = object_likes(id);
1262 ixc = xs_number_new(xs_list_len(idx));
1263
1264 st = xs_dict_append(st, "favourites_count", ixc);
1265 st = xs_dict_append(st, "favourited",
1266 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1267
1268 xs_free(idx);
1269 xs_free(ixc);
1270 idx = object_announces(id);
1271 ixc = xs_number_new(xs_list_len(idx));
1272
1273 st = xs_dict_append(st, "reblogs_count", ixc);
1274 st = xs_dict_append(st, "reblogged",
1275 (snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1276
1277 /* get the last person who boosted this */
1278 xs *boosted_by_md5 = NULL;
1279 if (xs_list_len(idx))
1280 boosted_by_md5 = xs_dup(xs_list_get(idx, -1));
1281
1282 xs_free(idx);
1283 xs_free(ixc);
1284 idx = object_children(id);
1285 ixc = xs_number_new(xs_list_len(idx));
1286
1287 st = xs_dict_append(st, "replies_count", ixc);
1288
1289 /* default in_reply_to values */
1290 st = xs_dict_append(st, "in_reply_to_id", xs_stock(XSTYPE_NULL));
1291 st = xs_dict_append(st, "in_reply_to_account_id", xs_stock(XSTYPE_NULL));
1292
1293 tmp = get_in_reply_to(msg);
1294 if (!xs_is_null(tmp)) {
1295 xs *irto = NULL;
1296
1297 if (valid_status(object_get(tmp, &irto))) {
1298 xs *irt_mid = mastoapi_id(irto);
1299 st = xs_dict_set(st, "in_reply_to_id", irt_mid);
1300
1301 const char *at = NULL;
1302 if (!xs_is_null(at = get_atto(irto))) {
1303 xs *at_md5 = xs_md5_hex(at, strlen(at));
1304 st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
1305 }
1306 }
1307 }
1308
1309 st = xs_dict_append(st, "reblog", xs_stock(XSTYPE_NULL));
1310 st = xs_dict_append(st, "card", xs_stock(XSTYPE_NULL));
1311 st = xs_dict_append(st, "language", "en");
1312
1313 st = xs_dict_append(st, "filtered", xs_stock(XSTYPE_LIST));
1314 st = xs_dict_append(st, "muted", xs_stock(XSTYPE_FALSE));
1315
1316 tmp = xs_dict_get(msg, "sourceContent");
1317 if (xs_is_null(tmp))
1318 tmp = "";
1319
1320 st = xs_dict_append(st, "text", tmp);
1321
1322 tmp = xs_dict_get(msg, "updated");
1323 xs *fd2 = NULL;
1324 if (xs_is_null(tmp))
1325 tmp = xs_stock(XSTYPE_NULL);
1326 else {
1327 fd2 = mastoapi_date(tmp);
1328 tmp = fd2;
1329 }
1330
1331 st = xs_dict_append(st, "edited_at", tmp);
1332
1333 if (strcmp(type, "Question") == 0) {
1334 xs *poll = mastoapi_poll(snac, msg);
1335 st = xs_dict_append(st, "poll", poll);
1336 }
1337 else
1338 st = xs_dict_append(st, "poll", xs_stock(XSTYPE_NULL));
1339
1340 st = xs_dict_append(st, "bookmarked",
1341 (snac && is_bookmarked(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1342
1343 st = xs_dict_append(st, "pinned",
1344 (snac && is_pinned(snac, id)) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1345
1346 /* is it a boost? */
1347 if (!xs_is_null(boosted_by_md5)) {
1348 /* create a new dummy status, using st as the 'reblog' field */
1349 xs_dict *bst = xs_dup(st);
1350 xs *b_actor = NULL;
1351
1352 if (valid_status(object_get_by_md5(boosted_by_md5, &b_actor))) {
1353 xs *b_acct = mastoapi_account(snac, b_actor);
1354 xs *fake_uri = NULL;
1355
1356 if (snac)
1357 fake_uri = xs_fmt("%s/d/%s/Announce", snac->actor, mid);
1358 else
1359 fake_uri = xs_fmt("%s#%s", srv_baseurl, mid);
1360
1361 bst = xs_dict_set(bst, "uri", fake_uri);
1362 bst = xs_dict_set(bst, "url", fake_uri);
1363 bst = xs_dict_set(bst, "account", b_acct);
1364 bst = xs_dict_set(bst, "content", "");
1365 bst = xs_dict_set(bst, "reblog", st);
1366
1367 xs *b_id = xs_toupper_i(xs_dup(xs_dict_get(st, "id")));
1368 bst = xs_dict_set(bst, "id", b_id);
1369
1370 xs_free(st);
1371 st = bst;
1372 }
1373 else
1374 xs_free(bst);
1375 }
1376
1377 return st;
1378}
1379
1380
1381xs_dict *mastoapi_relationship(snac *snac, const char *md5)
1382{
1383 xs_dict *rel = NULL;
1384 xs *actor_o = NULL;
1385
1386 if (valid_status(object_get_by_md5(md5, &actor_o))) {
1387 rel = xs_dict_new();
1388
1389 const char *actor = xs_dict_get(actor_o, "id");
1390
1391 rel = xs_dict_append(rel, "id", md5);
1392 rel = xs_dict_append(rel, "following",
1393 following_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1394
1395 rel = xs_dict_append(rel, "showing_reblogs", xs_stock(XSTYPE_TRUE));
1396 rel = xs_dict_append(rel, "notifying", xs_stock(XSTYPE_FALSE));
1397 rel = xs_dict_append(rel, "followed_by",
1398 follower_check(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1399
1400 rel = xs_dict_append(rel, "blocking",
1401 is_muted(snac, actor) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1402
1403 rel = xs_dict_append(rel, "muting", xs_stock(XSTYPE_FALSE));
1404 rel = xs_dict_append(rel, "muting_notifications", xs_stock(XSTYPE_FALSE));
1405 rel = xs_dict_append(rel, "requested", xs_stock(XSTYPE_FALSE));
1406 rel = xs_dict_append(rel, "domain_blocking", xs_stock(XSTYPE_FALSE));
1407 rel = xs_dict_append(rel, "endorsed", xs_stock(XSTYPE_FALSE));
1408 rel = xs_dict_append(rel, "note", "");
1409 }
1410
1411 return rel;
1412}
1413
1414
1415int process_auth_token(snac *snac, const xs_dict *req)
1416/* processes an authorization token, if there is one */
1417{
1418 int logged_in = 0;
1419 const char *v;
1420
1421 /* if there is an authorization field, try to validate it */
1422 if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
1423 xs *tokid = xs_replace_n(v, "Bearer ", "", 1);
1424 xs *token = token_get(tokid);
1425
1426 if (token != NULL) {
1427 const char *uid = xs_dict_get(token, "uid");
1428
1429 if (!xs_is_null(uid) && user_open(snac, uid)) {
1430 logged_in = 1;
1431
1432 /* this counts as a 'login' */
1433 lastlog_write(snac, "mastoapi");
1434
1435 srv_debug(2, xs_fmt("mastoapi auth: valid token for user '%s'", uid));
1436 }
1437 else
1438 srv_log(xs_fmt("mastoapi auth: corrupted token '%s'", tokid));
1439 }
1440 else
1441 srv_log(xs_fmt("mastoapi auth: invalid token '%s'", tokid));
1442 }
1443
1444 return logged_in;
1445}
1446
1447
1448void credentials_get(char **body, char **ctype, int *status, snac snac)
1449{
1450 xs *acct = xs_dict_new();
1451
1452 const xs_val *bot = xs_dict_get(snac.config, "bot");
1453
1454 acct = xs_dict_append(acct, "id", snac.md5);
1455 acct = xs_dict_append(acct, "username", xs_dict_get(snac.config, "uid"));
1456 acct = xs_dict_append(acct, "acct", xs_dict_get(snac.config, "uid"));
1457 acct = xs_dict_append(acct, "display_name", xs_dict_get(snac.config, "name"));
1458 acct = xs_dict_append(acct, "created_at", xs_dict_get(snac.config, "published"));
1459 acct = xs_dict_append(acct, "last_status_at", xs_dict_get(snac.config, "published"));
1460 acct = xs_dict_append(acct, "note", xs_dict_get(snac.config, "bio"));
1461 acct = xs_dict_append(acct, "url", snac.actor);
1462
1463 acct = xs_dict_append(acct, "locked",
1464 xs_stock(xs_is_true(xs_dict_get(snac.config, "approve_followers")) ? XSTYPE_TRUE : XSTYPE_FALSE));
1465
1466 acct = xs_dict_append(acct, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1467 acct = xs_dict_append(acct, "emojis", xs_stock(XSTYPE_LIST));
1468
1469 xs *src = xs_json_loads("{\"privacy\":\"public\", \"language\":\"en\","
1470 "\"follow_requests_count\": 0,"
1471 "\"sensitive\":false,\"fields\":[],\"note\":\"\"}");
1472 /* some apps take the note from the source object */
1473 src = xs_dict_set(src, "note", xs_dict_get(snac.config, "bio"));
1474 src = xs_dict_set(src, "privacy", xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE ? "private" : "public");
1475
1476 const xs_str *cw = xs_dict_get(snac.config, "cw");
1477 src = xs_dict_set(src, "sensitive",
1478 strcmp(cw, "open") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
1479
1480 src = xs_dict_set(src, "bot", xs_stock(xs_is_true(bot) ? XSTYPE_TRUE : XSTYPE_FALSE));
1481
1482 xs *avatar = NULL;
1483 const char *av = xs_dict_get(snac.config, "avatar");
1484
1485 if (xs_is_null(av) || *av == '\0')
1486 avatar = xs_fmt("%s/susie.png", srv_baseurl);
1487 else
1488 avatar = xs_dup(av);
1489
1490 acct = xs_dict_append(acct, "avatar", avatar);
1491 acct = xs_dict_append(acct, "avatar_static", avatar);
1492
1493 xs *header = NULL;
1494 const char *hd = xs_dict_get(snac.config, "header");
1495
1496 if (!xs_is_null(hd))
1497 header = xs_dup(hd);
1498 else
1499 header = xs_str_new(NULL);
1500
1501 acct = xs_dict_append(acct, "header", header);
1502 acct = xs_dict_append(acct, "header_static", header);
1503
1504 xs *metadata = NULL;
1505 const xs_dict *md = xs_dict_get(snac.config, "metadata");
1506
1507 if (xs_is_dict(md))
1508 metadata = xs_dup(md);
1509 else
1510 if (xs_is_string(md)) {
1511 metadata = xs_dict_new();
1512 xs *l = xs_split(md, "\n");
1513 const char *ll;
1514
1515 xs_list_foreach(l, ll) {
1516 xs *kv = xs_split_n(ll, "=", 1);
1517 const char *k = xs_list_get(kv, 0);
1518 const char *v = xs_list_get(kv, 1);
1519
1520 if (k && v) {
1521 xs *kk = xs_strip_i(xs_dup(k));
1522 xs *vv = xs_strip_i(xs_dup(v));
1523 metadata = xs_dict_set(metadata, kk, vv);
1524 }
1525 }
1526 }
1527
1528 if (xs_is_dict(metadata)) {
1529 xs *fields = xs_list_new();
1530 const xs_str *k;
1531 const xs_str *v;
1532
1533 xs_dict *val_links = snac.links;
1534 if (xs_is_null(val_links))
1535 val_links = xs_stock(XSTYPE_DICT);
1536
1537 int c = 0;
1538 while (xs_dict_next(metadata, &k, &v, &c)) {
1539 xs *val_date = NULL;
1540
1541 const xs_number *verified_time = xs_dict_get(val_links, v);
1542 if (xs_type(verified_time) == XSTYPE_NUMBER) {
1543 time_t t = xs_number_get(verified_time);
1544
1545 if (t > 0)
1546 val_date = xs_str_utctime(t, ISO_DATE_SPEC);
1547 }
1548
1549 xs *d = xs_dict_new();
1550
1551 d = xs_dict_append(d, "name", k);
1552 d = xs_dict_append(d, "value", v);
1553 d = xs_dict_append(d, "verified_at",
1554 xs_type(val_date) == XSTYPE_STRING && *val_date ? val_date : xs_stock(XSTYPE_NULL));
1555
1556 fields = xs_list_append(fields, d);
1557 }
1558
1559 acct = xs_dict_set(acct, "fields", fields);
1560 /* some apps take the fields from the source object */
1561 src = xs_dict_set(src, "fields", fields);
1562 }
1563
1564 acct = xs_dict_append(acct, "source", src);
1565 acct = xs_dict_append(acct, "followers_count", xs_stock(0));
1566 acct = xs_dict_append(acct, "following_count", xs_stock(0));
1567 acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
1568
1569 /* does this user want to publish their contact metrics? */
1570 if (xs_is_true(xs_dict_get(snac.config, "show_contact_metrics"))) {
1571 int fwing = following_list_len(&snac);
1572 int fwers = follower_list_len(&snac);
1573 xs *ni = xs_number_new(fwing);
1574 xs *ne = xs_number_new(fwers);
1575
1576 acct = xs_dict_append(acct, "followers_count", ne);
1577 acct = xs_dict_append(acct, "following_count", ni);
1578 }
1579
1580 *body = xs_json_dumps(acct, 4);
1581 *ctype = "application/json";
1582 *status = HTTP_STATUS_OK;
1583}
1584
1585
1586xs_list *mastoapi_timeline(snac *user, const xs_dict *args, const char *index_fn)
1587{
1588 xs_list *out = xs_list_new();
1589 FILE *f;
1590 char md5[MD5_HEX_SIZE];
1591
1592 if (dbglevel) {
1593 xs *js = xs_json_dumps(args, 0);
1594 srv_debug(1, xs_fmt("mastoapi_timeline args %s", js));
1595 }
1596
1597 if ((f = fopen(index_fn, "r")) == NULL)
1598 return out;
1599
1600 const char *o_max_id = xs_dict_get(args, "max_id");
1601 const char *o_since_id = xs_dict_get(args, "since_id");
1602 const char *o_min_id = xs_dict_get(args, "min_id"); /* unsupported old-to-new navigation */
1603 const char *limit_s = xs_dict_get(args, "limit");
1604 int (*iterator)(FILE *, char *);
1605 int initial_status = 0;
1606 int ascending = 0;
1607 int limit = 0;
1608 int cnt = 0;
1609
1610 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
1611 xs *since_id = o_since_id ? xs_tolower_i(xs_dup(o_since_id)) : NULL;
1612 xs *min_id = o_min_id ? xs_tolower_i(xs_dup(o_min_id)) : NULL;
1613
1614 if (!xs_is_null(limit_s))
1615 limit = atoi(limit_s);
1616
1617 if (limit == 0)
1618 limit = 20;
1619
1620 if (min_id) {
1621 iterator = &index_asc_next;
1622 initial_status = index_asc_first(f, md5, MID_TO_MD5(min_id));
1623 ascending = 1;
1624 }
1625 else {
1626 iterator = &index_desc_next;
1627 initial_status = index_desc_first(f, md5, 0);
1628 }
1629
1630 xs_set entries;
1631 xs_set_init(&entries);
1632
1633 if (initial_status) {
1634 do {
1635 xs *msg = NULL;
1636
1637 /* only return entries older that max_id */
1638 if (max_id) {
1639 if (strcmp(md5, MID_TO_MD5(max_id)) == 0) {
1640 max_id = xs_free(max_id);
1641 if (ascending)
1642 break;
1643 }
1644 if (!ascending)
1645 continue;
1646 }
1647
1648 /* only returns entries newer than since_id */
1649 if (since_id) {
1650 if (strcmp(md5, MID_TO_MD5(since_id)) == 0) {
1651 if (!ascending)
1652 break;
1653 since_id = xs_free(since_id);
1654 }
1655 if (ascending)
1656 continue;
1657 }
1658
1659 /* get the entry */
1660 if (user) {
1661 if (!valid_status(timeline_get_by_md5(user, md5, &msg)))
1662 continue;
1663 }
1664 else {
1665 if (!valid_status(object_get_by_md5(md5, &msg)))
1666 continue;
1667 }
1668
1669 /* discard non-Notes */
1670 const char *id = xs_dict_get(msg, "id");
1671 const char *type = xs_dict_get(msg, "type");
1672 if (!xs_match(type, POSTLIKE_OBJECT_TYPE))
1673 continue;
1674
1675 if (id && is_instance_blocked(id))
1676 continue;
1677
1678 const char *from = NULL;
1679 if (strcmp(type, "Page") == 0)
1680 from = xs_dict_get(msg, "audience");
1681
1682 if (from == NULL)
1683 from = get_atto(msg);
1684
1685 if (from == NULL)
1686 continue;
1687
1688 if (user) {
1689 /* is this message from a person we don't follow? */
1690 if (strcmp(from, user->actor) && !following_check(user, from)) {
1691 /* discard if it was not boosted */
1692 xs *idx = object_announces(id);
1693
1694 if (xs_list_len(idx) == 0)
1695 continue;
1696 }
1697
1698 /* discard notes from muted morons */
1699 if (is_muted(user, from))
1700 continue;
1701
1702 /* discard hidden notes */
1703 if (is_hidden(user, id))
1704 continue;
1705 }
1706 else {
1707 /* skip non-public messages */
1708 if (!is_msg_public(msg))
1709 continue;
1710
1711 /* discard messages from private users */
1712 if (is_msg_from_private_user(msg))
1713 continue;
1714 }
1715
1716 /* if it has a name and it's not an object that may have one,
1717 it's a poll vote, so discard it */
1718 if (!xs_is_null(xs_dict_get(msg, "name")) && !xs_match(type, "Page|Video|Audio|Event"))
1719 continue;
1720
1721 /* convert the Note into a Mastodon status */
1722 xs *st = mastoapi_status(user, msg);
1723
1724 if (st != NULL && xs_set_add(&entries, md5) == 1) {
1725 if (ascending)
1726 out = xs_list_insert(out, 0, st);
1727 else
1728 out = xs_list_append(out, st);
1729 cnt++;
1730 }
1731
1732 } while ((cnt < limit) && (*iterator)(f, md5));
1733 }
1734
1735 xs_set_free(&entries);
1736
1737 int more = index_desc_next(f, md5);
1738
1739 fclose(f);
1740
1741 srv_debug(1, xs_fmt("mastoapi_timeline ret %d%s", cnt, more ? " (+)" : ""));
1742
1743 return out;
1744}
1745
1746
1747xs_str *timeline_link_header(const char *endpoint, xs_list *timeline)
1748/* returns a Link header with paging information */
1749{
1750 xs_str *s = NULL;
1751
1752 if (xs_list_len(timeline) == 0)
1753 return NULL;
1754
1755 const xs_dict *first_st = xs_list_get(timeline, 0);
1756 const xs_dict *last_st = xs_list_get(timeline, -1);
1757 const char *first_id = xs_dict_get(first_st, "id");
1758 const char *last_id = xs_dict_get(last_st, "id");
1759 const char *host = xs_dict_get(srv_config, "host");
1760 const char *protocol = xs_dict_get_def(srv_config, "protocol", "https");
1761
1762 s = xs_fmt(
1763 "<%s:/" "/%s%s?max_id=%s>; rel=\"next\", "
1764 "<%s:/" "/%s%s?since_id=%s>; rel=\"prev\"",
1765 protocol, host, endpoint, last_id,
1766 protocol, host, endpoint, first_id);
1767
1768 srv_debug(1, xs_fmt("timeline_link_header %s", s));
1769
1770 return s;
1771}
1772
1773
1774xs_list *mastoapi_account_lists(snac *user, const char *uid)
1775/* returns the list of list an user is in */
1776{
1777 xs_list *out = xs_list_new();
1778 xs *actor_md5 = NULL;
1779 xs *lol = list_maint(user, NULL, 0);
1780
1781 if (uid) {
1782 if (!xs_is_hex(uid))
1783 actor_md5 = xs_md5_hex(uid, strlen(uid));
1784 else
1785 actor_md5 = xs_dup(uid);
1786 }
1787
1788 const xs_list *li;
1789 xs_list_foreach(lol, li) {
1790 const char *list_id = xs_list_get(li, 0);
1791 const char *list_title = xs_list_get(li, 1);
1792 if (uid) {
1793 xs *users = list_members(user, list_id, NULL, 0);
1794 if (xs_list_in(users, actor_md5) == -1)
1795 continue;
1796 }
1797
1798 xs *d = xs_dict_new();
1799
1800 d = xs_dict_append(d, "id", list_id);
1801 d = xs_dict_append(d, "title", list_title);
1802 d = xs_dict_append(d, "replies_policy", "list");
1803 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
1804
1805 out = xs_list_append(out, d);
1806 }
1807
1808 return out;
1809}
1810
1811
1812xs_list *build_childrens(const xs_dict *msg, snac *snac1) {
1813 xs_list *ret = xs_list_new();
1814 xs *children = object_children(xs_dict_get(msg, "id"));
1815 char *p = children;
1816 const xs_str *v;
1817
1818 while (xs_list_iter(&p, &v)) {
1819 xs *m2 = NULL;
1820
1821 if (valid_status(timeline_get_by_md5(snac1, v, &m2))) {
1822 if (xs_is_null(xs_dict_get(m2, "name"))) {
1823 xs *st = mastoapi_status(snac1, m2);
1824
1825 if (st) {
1826 /* childrens children */
1827 xs *childs = build_childrens(m2, snac1);
1828 ret = xs_list_append(ret, st);
1829 if (xs_list_len(childs)) {
1830 char *p2 = childs;
1831 while (xs_list_iter(&p2, &v))
1832 ret = xs_list_append(ret, v);
1833
1834 }
1835 }
1836 }
1837 }
1838 }
1839 return ret;
1840}
1841
1842
1843int mastoapi_get_handler(const xs_dict *req, const char *q_path,
1844 char **body, int *b_size, char **ctype, xs_str **link)
1845{
1846 (void)b_size;
1847
1848 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
1849 return 0;
1850
1851 int status = HTTP_STATUS_NOT_FOUND;
1852 const xs_dict *args = xs_dict_get(req, "q_vars");
1853 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
1854
1855 snac snac1 = {0};
1856 int logged_in = process_auth_token(&snac1, req);
1857
1858 if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) { /** **/
1859 if (logged_in) {
1860 credentials_get(body, ctype, &status, snac1);
1861 }
1862 else {
1863 status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
1864 }
1865 }
1866 else
1867 if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/
1868 /* find if an account is followed, blocked, etc. */
1869 /* the account to get relationships about is in args "id[]" */
1870
1871 if (logged_in) {
1872 xs *res = xs_list_new();
1873 const char *md5 = xs_dict_get(args, "id[]");
1874
1875 if (xs_is_null(md5))
1876 md5 = xs_dict_get(args, "id");
1877
1878 if (!xs_is_null(md5)) {
1879 if (xs_type(md5) == XSTYPE_LIST)
1880 md5 = xs_list_get(md5, 0);
1881
1882 xs *rel = mastoapi_relationship(&snac1, md5);
1883
1884 if (rel != NULL)
1885 res = xs_list_append(res, rel);
1886 }
1887
1888 *body = xs_json_dumps(res, 4);
1889 *ctype = "application/json";
1890 status = HTTP_STATUS_OK;
1891 }
1892 else
1893 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
1894 }
1895 else
1896 if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
1897 /* lookup an account */
1898 const char *acct = xs_dict_get(args, "acct");
1899
1900 if (!xs_is_null(acct)) {
1901 xs *s = xs_strip_chars_i(xs_dup(acct), "@");
1902 xs *l = xs_split_n(s, "@", 1);
1903 const char *uid = xs_list_get(l, 0);
1904 const char *host = xs_list_get(l, 1);
1905
1906 if (uid && (!host || strcmp(host, xs_dict_get(srv_config, "host")) == 0)) {
1907 snac user;
1908
1909 if (user_open(&user, uid)) {
1910 xs *actor = msg_actor(&user);
1911 xs *macct = mastoapi_account(NULL, actor);
1912
1913 *body = xs_json_dumps(macct, 4);
1914 *ctype = "application/json";
1915 status = HTTP_STATUS_OK;
1916
1917 user_free(&user);
1918 }
1919 }
1920 }
1921 }
1922 else
1923 if (xs_startswith(cmd, "/v1/accounts/")) { /** **/
1924 /* account-related information */
1925 xs *l = xs_split(cmd, "/");
1926 const char *uid = xs_list_get(l, 3);
1927 const char *opt = xs_list_get(l, 4);
1928
1929 if (uid != NULL) {
1930 snac snac2;
1931 xs *out = NULL;
1932 xs *actor = NULL;
1933
1934 if (logged_in && strcmp(uid, "familiar_followers") == 0) { /** **/
1935 /* familiar followers endpoint - return empty array */
1936 out = xs_list_new();
1937 }
1938 else
1939 if (logged_in && strcmp(uid, "search") == 0) { /** **/
1940 /* search for accounts starting with q */
1941 const char *aq = xs_dict_get(args, "q");
1942
1943 if (!xs_is_null(aq)) {
1944 xs *q = xs_utf8_to_lower(aq);
1945 out = xs_list_new();
1946 xs *wing = following_list(&snac1);
1947 xs *wers = follower_list(&snac1);
1948 xs *ulst = user_list();
1949 xs_list *p;
1950 const xs_str *v;
1951 xs_set seen;
1952
1953 xs_set_init(&seen);
1954
1955 /* user relations */
1956 xs_list *lsts[] = { wing, wers, NULL };
1957 int n;
1958 for (n = 0; (p = lsts[n]) != NULL; n++) {
1959
1960 while (xs_list_iter(&p, &v)) {
1961 /* already seen? skip */
1962 if (xs_set_add(&seen, v) == 0)
1963 continue;
1964
1965 xs *actor = NULL;
1966
1967 if (valid_status(object_get(v, &actor))) {
1968 const char *uname = xs_dict_get(actor, "preferredUsername");
1969
1970 if (!xs_is_null(uname)) {
1971 xs *luname = xs_tolower_i(xs_dup(uname));
1972
1973 if (xs_startswith(luname, q)) {
1974 xs *acct = mastoapi_account(&snac1, actor);
1975
1976 out = xs_list_append(out, acct);
1977 }
1978 }
1979 }
1980 }
1981 }
1982
1983 /* local users */
1984 p = ulst;
1985 while (xs_list_iter(&p, &v)) {
1986 snac user;
1987
1988 /* skip this same user */
1989 if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0)
1990 continue;
1991
1992 /* skip if the uid does not start with the query */
1993 xs *v2 = xs_tolower_i(xs_dup(v));
1994 if (!xs_startswith(v2, q))
1995 continue;
1996
1997 if (user_open(&user, v)) {
1998 /* if it's not already seen, add it */
1999 if (xs_set_add(&seen, user.actor) == 1) {
2000 xs *actor = msg_actor(&user);
2001 xs *acct = mastoapi_account(&snac1, actor);
2002
2003 out = xs_list_append(out, acct);
2004 }
2005
2006 user_free(&user);
2007 }
2008 }
2009
2010 xs_set_free(&seen);
2011 }
2012 }
2013 else
2014 /* is it a local user? */
2015 if (user_open(&snac2, uid) || user_open_by_md5(&snac2, uid)) {
2016 if (opt == NULL) {
2017 /* account information */
2018 actor = msg_actor(&snac2);
2019 out = mastoapi_account(NULL, actor);
2020 }
2021 else
2022 if (strcmp(opt, "statuses") == 0) { /** **/
2023 if (logged_in || xs_type(xs_dict_get(snac2.config, "private")) == XSTYPE_FALSE) {
2024 /* the public list of posts of a user */
2025 const char *limit_s = xs_dict_get(args, "limit");
2026 const char *o_max_id = xs_dict_get(args, "max_id");
2027 int limit = limit_s ? atoi(limit_s) : 20;
2028 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2029
2030 srv_debug(1, xs_fmt("account statuses: max_id=%s limit=%d", max_id ? max_id : "(null)", limit));
2031
2032 xs *timeline = timeline_simple_list(&snac2, "public", 0, 256, NULL);
2033 xs_list *p = timeline;
2034 const xs_str *v;
2035 xs_set seen;
2036 int cnt = 0;
2037 int skip_until_max = max_id != NULL;
2038
2039 out = xs_list_new();
2040 xs_set_init(&seen);
2041
2042 while (xs_list_iter(&p, &v) && cnt < limit) {
2043 xs *msg = NULL;
2044
2045 if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
2046 const char *msg_id = xs_dict_get(msg, "id");
2047
2048 /* add only posts by the author */
2049 if (!xs_is_null(msg_id) &&
2050 strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
2051 is_msg_mine(&snac2, xs_dict_get(msg, "id")) && is_msg_public(msg)) {
2052
2053 /* if max_id is set, skip entries until we find it */
2054 if (skip_until_max) {
2055 xs *mid = mastoapi_id(msg);
2056 if (strcmp(mid, max_id) == 0) {
2057 skip_until_max = 0;
2058 srv_debug(2, xs_fmt("account statuses: found max_id, starting from next post"));
2059 }
2060 continue;
2061 }
2062
2063 /* deduplicate by message id */
2064 if (xs_set_add(&seen, msg_id) == 1) {
2065 xs *st = mastoapi_status(&snac2, msg);
2066
2067 if (st) {
2068 out = xs_list_append(out, st);
2069 cnt++;
2070 }
2071 }
2072 }
2073 }
2074 }
2075
2076 srv_debug(1, xs_fmt("account statuses: returning %d posts (requested %d)", cnt, limit));
2077 xs_set_free(&seen);
2078 }
2079 else
2080 status = HTTP_STATUS_UNAUTHORIZED;
2081 }
2082 else
2083 if (strcmp(opt, "featured_tags") == 0) {
2084 /* snac doesn't have features tags, yet? */
2085 /* implement empty response so apps like Tokodon don't show an error */
2086 out = xs_list_new();
2087 }
2088 else
2089 if (strcmp(opt, "following") == 0) {
2090 xs *wing = following_list(&snac1);
2091 out = xs_list_new();
2092 int c = 0;
2093 const char *v;
2094
2095 while (xs_list_next(wing, &v, &c)) {
2096 xs *actor = NULL;
2097
2098 if (valid_status(object_get(v, &actor))) {
2099 xs *acct = mastoapi_account(NULL, actor);
2100 out = xs_list_append(out, acct);
2101 }
2102 }
2103 }
2104 else
2105 if (strcmp(opt, "followers") == 0) {
2106 out = xs_list_new();
2107 }
2108 else
2109 if (strcmp(opt, "lists") == 0) {
2110 out = mastoapi_account_lists(&snac1, uid);
2111 }
2112 else
2113 if (strcmp(opt, "familiar_followers") == 0) {
2114 /* familiar followers - not implemented, return empty array */
2115 out = xs_list_new();
2116 }
2117
2118 user_free(&snac2);
2119 }
2120 else {
2121 /* try the uid as the md5 of a possibly loaded actor */
2122 if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
2123 if (opt == NULL) {
2124 /* account information */
2125 out = mastoapi_account(&snac1, actor);
2126 }
2127 else
2128 if (strcmp(opt, "statuses") == 0) {
2129 /* fetch statuses from remote outbox */
2130 out = xs_list_new();
2131 const char *outbox_url = xs_dict_get(actor, "outbox");
2132
2133 if (!xs_is_null(outbox_url)) {
2134 /* extract query parameters */
2135 const char *limit_s = xs_dict_get(args, "limit");
2136 const char *exclude_replies_s = xs_dict_get(args, "exclude_replies");
2137 const char *o_max_id = xs_dict_get(args, "max_id");
2138
2139 int limit = 20;
2140 if (!xs_is_null(limit_s))
2141 limit = atoi(limit_s);
2142 if (limit == 0 || limit > 40)
2143 limit = 20;
2144
2145 int exclude_replies = !xs_is_null(exclude_replies_s) &&
2146 strcmp(exclude_replies_s, "true") == 0;
2147
2148 xs *max_id = o_max_id ? xs_tolower_i(xs_dup(o_max_id)) : NULL;
2149 int skip_until_max = max_id != NULL;
2150
2151 srv_debug(1, xs_fmt("remote account statuses: fetching from %s (max_id=%s limit=%d)",
2152 outbox_url, max_id ? max_id : "(null)", limit));
2153
2154 /* fetch first page only - safer for memory on large instances */
2155 xs *outbox_collection = NULL;
2156 xs *first_page = NULL;
2157 const xs_list *items = get_collection_items(&snac1, outbox_url,
2158 &outbox_collection, &first_page);
2159
2160 int count = 0;
2161 int processed = 0;
2162
2163 if (!xs_is_null(items) && xs_type(items) == XSTYPE_LIST) {
2164 int total_items = xs_list_len(items);
2165 srv_debug(1, xs_fmt("remote account statuses: got %d items from outbox", total_items));
2166
2167 const xs_val *item;
2168
2169 xs_list_foreach(items, item) {
2170 processed++;
2171
2172 if (count >= limit)
2173 break;
2174
2175 const xs_dict *post = extract_post_from_item(item);
2176 if (!post)
2177 continue;
2178
2179 const char *post_type = xs_dict_get(post, "type");
2180 const char *in_reply_to = xs_dict_get(post, "inReplyTo");
2181
2182 /* apply filters */
2183 if (exclude_replies && !xs_is_null(in_reply_to))
2184 continue;
2185
2186 if (is_valid_post_type(post_type)) {
2187 /* store object locally so mastoapi_id() can generate valid IDs */
2188 const char *post_id = xs_dict_get(post, "id");
2189 if (!xs_is_null(post_id))
2190 object_add(post_id, post);
2191
2192 /* handle pagination with max_id */
2193 if (skip_until_max) {
2194 xs *mid = mastoapi_id(post);
2195 if (!xs_is_null(mid) && strcmp(mid, max_id) == 0) {
2196 skip_until_max = 0;
2197 srv_debug(2, xs_fmt("remote account statuses: found max_id at position %d", processed));
2198 }
2199 continue;
2200 }
2201
2202 /* pass logged-in user context to enable media proxying if configured */
2203 xs *st = mastoapi_status(&snac1, post);
2204 if (st) {
2205 out = xs_list_append(out, st);
2206 count++;
2207 }
2208 }
2209 }
2210 }
2211 else {
2212 srv_debug(1, xs_fmt("remote account statuses: no items found in outbox"));
2213 }
2214
2215 srv_debug(1, xs_fmt("remote account statuses: processed %d items, returning %d posts (requested %d)",
2216 processed, count, limit));
2217 }
2218 }
2219 else
2220 if (strcmp(opt, "featured_tags") == 0) {
2221 /* snac doesn't have features tags, yet? */
2222 /* implement empty response so apps like Tokodon don't show an error */
2223 out = xs_list_new();
2224 }
2225 else
2226 if (strcmp(opt, "lists") == 0) {
2227 out = mastoapi_account_lists(&snac1, uid);
2228 }
2229 else
2230 if (strcmp(opt, "familiar_followers") == 0) {
2231 /* familiar followers - not implemented, return empty array */
2232 out = xs_list_new();
2233 }
2234 }
2235 }
2236
2237 if (out != NULL) {
2238 *body = xs_json_dumps(out, 4);
2239 *ctype = "application/json";
2240 status = HTTP_STATUS_OK;
2241 }
2242 }
2243 }
2244 else
2245 if (strcmp(cmd, "/v1/timelines/home") == 0) { /** **/
2246 /* the private timeline */
2247 if (logged_in) {
2248 xs *ifn = user_index_fn(&snac1, "private");
2249 xs *out = mastoapi_timeline(&snac1, args, ifn);
2250
2251 *link = timeline_link_header("/api/v1/timelines/home", out);
2252
2253 *body = xs_json_dumps(out, 4);
2254 *ctype = "application/json";
2255 status = HTTP_STATUS_OK;
2256
2257 srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
2258 }
2259 else {
2260 status = HTTP_STATUS_UNAUTHORIZED;
2261 }
2262 }
2263 else
2264 if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/
2265 /* the instance public timeline (public timelines for all users) */
2266 xs *ifn = instance_index_fn();
2267 xs *out = mastoapi_timeline(NULL, args, ifn);
2268
2269 *body = xs_json_dumps(out, 4);
2270 *ctype = "application/json";
2271 status = HTTP_STATUS_OK;
2272 }
2273 else
2274 if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
2275 /* get the tag */
2276 xs *l = xs_split(cmd, "/");
2277 const char *tag = xs_list_get(l, -1);
2278
2279 xs *ifn = tag_fn(tag);
2280 xs *out = mastoapi_timeline(NULL, args, ifn);
2281
2282 *body = xs_json_dumps(out, 4);
2283 *ctype = "application/json";
2284 status = HTTP_STATUS_OK;
2285 }
2286 else
2287 if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
2288 /* get the list id */
2289 if (logged_in) {
2290 xs *l = xs_split(cmd, "/");
2291 const char *list = xs_list_get(l, -1);
2292
2293 xs *ifn = list_timeline_fn(&snac1, list);
2294 xs *out = mastoapi_timeline(NULL, args, ifn);
2295
2296 *body = xs_json_dumps(out, 4);
2297 *ctype = "application/json";
2298 status = HTTP_STATUS_OK;
2299 }
2300 else
2301 status = HTTP_STATUS_MISDIRECTED_REQUEST;
2302 }
2303 else
2304 if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
2305 /* TBD */
2306 *body = xs_dup("[]");
2307 *ctype = "application/json";
2308 status = HTTP_STATUS_OK;
2309 }
2310 else
2311 if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
2312 if (logged_in) {
2313 xs *l = notify_list(&snac1, 0, 64);
2314 xs *out = xs_list_new();
2315 const char *v;
2316 const xs_list *excl = xs_dict_get(args, "exclude_types[]");
2317 const xs_list *incl = xs_dict_get(args, "types[]");
2318 const char *min_id = xs_dict_get(args, "min_id");
2319 const char *max_id = xs_dict_get(args, "max_id");
2320 const char *limit = xs_dict_get(args, "limit");
2321 int limit_count = 0;
2322 if (xs_is_string(limit)) {
2323 limit_count = atoi(limit);
2324 }
2325
2326 if (dbglevel) {
2327 xs *js = xs_json_dumps(args, 0);
2328 srv_debug(1, xs_fmt("mastoapi_notifications args %s", js));
2329 }
2330
2331 xs_list_foreach(l, v) {
2332 xs *noti = notify_get(&snac1, v);
2333
2334 if (noti == NULL)
2335 continue;
2336
2337 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2338
2339 const char *type = xs_dict_get(noti, "type");
2340 const char *utype = xs_dict_get(noti, "utype");
2341 const char *objid = xs_dict_get(noti, "objid");
2342 const char *id = xs_dict_get(noti, "id");
2343 const char *actid = xs_dict_get(noti, "actor");
2344
2345 int isEmoji = 0;
2346
2347 xs *fid = xs_replace(id, ".", "");
2348 xs *actor = NULL;
2349 xs *entry = NULL;
2350
2351 if (tag) {
2352 isEmoji = strcmp(xs_dict_get(tag, "type"), "Emoji") ? 0 : 1;
2353 }
2354
2355 if (!valid_status(actor_get(actid, &actor)))
2356 continue;
2357
2358 if (objid != NULL && !valid_status(object_get(objid, &entry)))
2359 continue;
2360
2361 if (is_hidden(&snac1, objid))
2362 continue;
2363
2364 if (max_id) {
2365 if (strcmp(fid, max_id) == 0)
2366 max_id = NULL;
2367
2368 continue;
2369 }
2370
2371 if (min_id) {
2372 if (strcmp(fid, min_id) <= 0) {
2373 continue;
2374 }
2375 }
2376
2377 /* convert the type */
2378 if (strcmp(type, "Like") == 0 && !isEmoji)
2379 type = "favourite";
2380 else
2381 if (isEmoji || strcmp(type, "EmojiReact") == 0)
2382 type = "reaction";
2383 else
2384 if (strcmp(type, "Announce") == 0)
2385 type = "reblog";
2386 else
2387 if (strcmp(type, "Follow") == 0)
2388 type = "follow";
2389 else
2390 if (strcmp(type, "Create") == 0)
2391 type = "mention";
2392 else
2393 if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
2394 type = "poll";
2395 else
2396 continue;
2397
2398 /* excluded type? */
2399 if (xs_is_list(excl) && xs_list_in(excl, type) != -1)
2400 continue;
2401
2402 /* included type? */
2403 if (xs_is_list(incl) && xs_list_in(incl, type) == -1)
2404 continue;
2405
2406 xs *mn = xs_dict_new();
2407
2408 mn = xs_dict_append(mn, "type", type);
2409
2410 mn = xs_dict_append(mn, "id", fid);
2411
2412 mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date"));
2413
2414 xs *acct = mastoapi_account(&snac1, actor);
2415
2416 if (acct == NULL)
2417 continue;
2418
2419 mn = xs_dict_append(mn, "account", acct);
2420
2421 if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) {
2422 xs *st = mastoapi_status(&snac1, entry);
2423
2424 if (st) {
2425 mn = xs_dict_append(mn, "status", st);
2426
2427 if (strcmp(type, "reaction") == 0 && !xs_is_null(objid)) {
2428 const char *eid = NULL;
2429 const char *url = NULL;
2430 int utf = 0;
2431
2432 const xs_dict *tag = xs_list_get(xs_dict_get_path(noti, "msg.tag"), 0);
2433 const char *content = xs_dict_get_path(noti, "msg.content");
2434
2435 url = xs_dict_get(xs_dict_get(tag, "icon"), "url");
2436 eid = xs_dict_get(tag, "name");
2437
2438 if (eid && url) {
2439 mn = xs_dict_append(mn, "emoji", eid);
2440 mn = xs_dict_append(mn, "emoji_url", url);
2441 }
2442
2443 if (xs_is_emoji((utf = xs_utf8_dec(&content)))) {
2444 xs *s1 = xs_fmt("&#%d;", utf);
2445 mn = xs_dict_append(mn, "name", s1);
2446 }
2447 }
2448 }
2449 }
2450
2451 out = xs_list_append(out, mn);
2452
2453 if (--limit_count <= 0)
2454 break;
2455 }
2456
2457 srv_debug(1, xs_fmt("mastoapi_notifications count %d", xs_list_len(out)));
2458
2459 *body = xs_json_dumps(out, 4);
2460 *ctype = "application/json";
2461 status = HTTP_STATUS_OK;
2462 }
2463 else
2464 status = HTTP_STATUS_UNAUTHORIZED;
2465 }
2466 else
2467 if (strcmp(cmd, "/v1/filters") == 0) { /** **/
2468 /* snac will never have filters */
2469 *body = xs_dup("[]");
2470 *ctype = "application/json";
2471 status = HTTP_STATUS_OK;
2472 }
2473 else
2474 if (strcmp(cmd, "/v2/filters") == 0) { /** **/
2475 /* snac will never have filters
2476 * but still, without a v2 endpoint a short delay is introduced
2477 * in some apps */
2478 *body = xs_dup("[]");
2479 *ctype = "application/json";
2480 status = HTTP_STATUS_OK;
2481 }
2482 else
2483 if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
2484 /* snac will never support a list of favourites */
2485 *body = xs_dup("[]");
2486 *ctype = "application/json";
2487 status = HTTP_STATUS_OK;
2488 }
2489 else
2490 if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
2491 if (logged_in) {
2492 xs *ifn = bookmark_index_fn(&snac1);
2493 xs *out = mastoapi_timeline(&snac1, args, ifn);
2494
2495 *body = xs_json_dumps(out, 4);
2496 *ctype = "application/json";
2497 status = HTTP_STATUS_OK;
2498 }
2499 else
2500 status = HTTP_STATUS_UNAUTHORIZED;
2501 }
2502 else
2503 if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
2504 if (logged_in) {
2505 xs *l = mastoapi_account_lists(&snac1, NULL);
2506
2507 *body = xs_json_dumps(l, 4);
2508 *ctype = "application/json";
2509 status = HTTP_STATUS_OK;
2510 }
2511 else
2512 status = HTTP_STATUS_UNAUTHORIZED;
2513 }
2514 else
2515 if (xs_startswith(cmd, "/v1/lists/")) { /** list information **/
2516 if (logged_in) {
2517 xs *l = xs_split(cmd, "/");
2518 const char *p = xs_list_get(l, -1);
2519
2520 if (p) {
2521 if (strcmp(p, "accounts") == 0) {
2522 p = xs_list_get(l, -2);
2523
2524 if (p && xs_is_hex(p)) {
2525 xs *actors = list_members(&snac1, p, NULL, 0);
2526 xs *out = xs_list_new();
2527 int c = 0;
2528 const char *v;
2529
2530 while (xs_list_next(actors, &v, &c)) {
2531 xs *actor = NULL;
2532
2533 if (valid_status(object_get_by_md5(v, &actor))) {
2534 xs *acct = mastoapi_account(&snac1, actor);
2535 out = xs_list_append(out, acct);
2536 }
2537 }
2538
2539 *body = xs_json_dumps(out, 4);
2540 *ctype = "application/json";
2541 status = HTTP_STATUS_OK;
2542 }
2543 }
2544 else
2545 if (xs_is_hex(p)) {
2546 xs *out = xs_list_new();
2547 xs *lol = list_maint(&snac1, NULL, 0);
2548 int c = 0;
2549 const xs_list *v;
2550
2551 while (xs_list_next(lol, &v, &c)) {
2552 const char *id = xs_list_get(v, 0);
2553
2554 if (id && strcmp(id, p) == 0) {
2555 xs *d = xs_dict_new();
2556
2557 d = xs_dict_append(d, "id", p);
2558 d = xs_dict_append(d, "title", xs_list_get(v, 1));
2559 d = xs_dict_append(d, "replies_policy", "list");
2560 d = xs_dict_append(d, "exclusive", xs_stock(XSTYPE_FALSE));
2561
2562 out = xs_dup(d);
2563 break;
2564 }
2565 }
2566
2567 *body = xs_json_dumps(out, 4);
2568 *ctype = "application/json";
2569 status = HTTP_STATUS_OK;
2570 }
2571 }
2572 }
2573 else
2574 status = HTTP_STATUS_UNAUTHORIZED;
2575 }
2576 else
2577 if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/
2578 /* TBD */
2579 *body = xs_dup("[]");
2580 *ctype = "application/json";
2581 status = HTTP_STATUS_OK;
2582 }
2583 else
2584 if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
2585 if (logged_in) {
2586 xs *pend = pending_list(&snac1);
2587 xs *resp = xs_list_new();
2588 const char *id;
2589
2590 xs_list_foreach(pend, id) {
2591 xs *actor = NULL;
2592
2593 if (valid_status(object_get(id, &actor))) {
2594 xs *acct = mastoapi_account(&snac1, actor);
2595
2596 if (acct)
2597 resp = xs_list_append(resp, acct);
2598 }
2599 }
2600
2601 *body = xs_json_dumps(resp, 4);
2602 *ctype = "application/json";
2603 status = HTTP_STATUS_OK;
2604 }
2605 }
2606 else
2607 if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
2608 if (logged_in) {
2609 xs *resp = xs_list_new();
2610 double la = 0.0;
2611 xs *user_la = xs_dup(xs_dict_get(snac1.config, "last_announcement"));
2612 if (user_la != NULL)
2613 la = xs_number_get(user_la);
2614 xs *val_date = xs_str_utctime(la, ISO_DATE_SPEC);
2615
2616 /* contrary to html, we always send the announcement and set the read flag instead */
2617
2618 const t_announcement *annce = announcement(la);
2619 if (annce != NULL && annce->text != NULL) {
2620 xs *an = xs_dict_new();
2621 xs *id = xs_fmt("%d", annce->timestamp);
2622 xs *ct = xs_fmt("<p>%s</p>", annce->text);
2623
2624 an = xs_dict_set(an, "id", id);
2625 an = xs_dict_set(an, "content", ct);
2626 an = xs_dict_set(an, "starts_at", xs_stock(XSTYPE_NULL));
2627 an = xs_dict_set(an, "ends_at", xs_stock(XSTYPE_NULL));
2628 an = xs_dict_set(an, "all_day", xs_stock(XSTYPE_TRUE));
2629 an = xs_dict_set(an, "published_at", val_date);
2630 an = xs_dict_set(an, "updated_at", val_date);
2631 an = xs_dict_set(an, "read", (annce->timestamp >= la)
2632 ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
2633 an = xs_dict_set(an, "mentions", xs_stock(XSTYPE_LIST));
2634 an = xs_dict_set(an, "statuses", xs_stock(XSTYPE_LIST));
2635 an = xs_dict_set(an, "tags", xs_stock(XSTYPE_LIST));
2636 an = xs_dict_set(an, "emojis", xs_stock(XSTYPE_LIST));
2637 an = xs_dict_set(an, "reactions", xs_stock(XSTYPE_LIST));
2638 resp = xs_list_append(resp, an);
2639 }
2640
2641 *body = xs_json_dumps(resp, 4);
2642 *ctype = "application/json";
2643 status = HTTP_STATUS_OK;
2644 }
2645 }
2646 else
2647 if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
2648 xs *emo = emojis();
2649 xs *list = xs_list_new();
2650 const xs_str *k;
2651 const xs_val *v;
2652 xs_dict_foreach(emo, k, v) {
2653 xs *current = xs_dict_new();
2654 if ((xs_startswith(v, "https://") && xs_startswith((xs_mime_by_ext(v)), "image/")) || xs_type(v) == XSTYPE_DICT) {
2655 /* remove first and last colon */
2656 if (xs_type(v) == XSTYPE_DICT) {
2657 const char *v2;
2658 const char *cat = k;
2659 xs_dict_foreach(v, k, v2) {
2660 xs *shortcode = xs_replace(k, ":", "");
2661 current = xs_dict_append(current, "shortcode", shortcode);
2662 current = xs_dict_append(current, "url", v2);
2663 current = xs_dict_append(current, "static_url", v2);
2664 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2665 current = xs_dict_append(current, "category", cat);
2666 list = xs_list_append(list, current);
2667 }
2668 }
2669 else {
2670 xs *shortcode = xs_replace(k, ":", "");
2671 current = xs_dict_append(current, "shortcode", shortcode);
2672 current = xs_dict_append(current, "url", v);
2673 current = xs_dict_append(current, "static_url", v);
2674 current = xs_dict_append(current, "visible_in_picker", xs_stock(XSTYPE_TRUE));
2675 list = xs_list_append(list, current);
2676 }
2677 }
2678 }
2679 *body = xs_json_dumps(list, 0);
2680 *ctype = "application/json";
2681 status = HTTP_STATUS_OK;
2682 }
2683 else
2684 if (strcmp(cmd, "/v1/instance") == 0) { /** **/
2685 /* returns an instance object */
2686 xs *ins = xs_dict_new();
2687 const char *host = xs_dict_get(srv_config, "host");
2688 const char *title = xs_dict_get(srv_config, "title");
2689 const char *sdesc = xs_dict_get(srv_config, "short_description");
2690
2691 ins = xs_dict_append(ins, "uri", host);
2692 ins = xs_dict_append(ins, "domain", host);
2693 ins = xs_dict_append(ins, "title", title && *title ? title : host);
2694 ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
2695 ins = xs_dict_append(ins, "source_url", WHAT_IS_SNAC_URL);
2696 ins = xs_dict_append(ins, "description", host);
2697
2698 ins = xs_dict_append(ins, "short_description", sdesc && *sdesc ? sdesc : host);
2699
2700 xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
2701 ins = xs_dict_append(ins, "thumbnail", susie);
2702
2703 const char *v = xs_dict_get(srv_config, "admin_email");
2704 if (xs_is_null(v) || *v == '\0')
2705 v = "admin@localhost";
2706
2707 ins = xs_dict_append(ins, "email", v);
2708
2709 ins = xs_dict_append(ins, "rules", xs_stock(XSTYPE_LIST));
2710
2711 xs *l1 = xs_list_append(xs_list_new(), "en");
2712 ins = xs_dict_append(ins, "languages", l1);
2713
2714 xs *wss = xs_fmt("wss:/" "/%s", xs_dict_get(srv_config, "host"));
2715 xs *urls = xs_dict_new();
2716 urls = xs_dict_append(urls, "streaming_api", wss);
2717
2718 ins = xs_dict_append(ins, "urls", urls);
2719
2720 xs *d2 = xs_dict_append(xs_dict_new(), "user_count", xs_stock(0));
2721 d2 = xs_dict_append(d2, "status_count", xs_stock(0));
2722 d2 = xs_dict_append(d2, "domain_count", xs_stock(0));
2723 ins = xs_dict_append(ins, "stats", d2);
2724
2725 ins = xs_dict_append(ins, "registrations", xs_stock(XSTYPE_FALSE));
2726 ins = xs_dict_append(ins, "approval_required", xs_stock(XSTYPE_FALSE));
2727 ins = xs_dict_append(ins, "invites_enabled", xs_stock(XSTYPE_FALSE));
2728
2729 xs *cfg = xs_dict_new();
2730
2731 {
2732 xs *d11 = xs_json_loads("{\"characters_reserved_per_url\":32,"
2733 "\"max_characters\":100000,\"max_media_attachments\":4}");
2734
2735 const xs_number *max_attachments = xs_dict_get(srv_config, "max_attachments");
2736 if (xs_type(max_attachments) == XSTYPE_NUMBER)
2737 d11 = xs_dict_set(d11, "max_media_attachments", max_attachments);
2738
2739 cfg = xs_dict_append(cfg, "statuses", d11);
2740
2741 xs *d12 = xs_json_loads("{\"max_featured_tags\":0}");
2742 cfg = xs_dict_append(cfg, "accounts", d12);
2743
2744 xs *d13 = xs_json_loads("{\"image_matrix_limit\":33177600,"
2745 "\"image_size_limit\":16777216,"
2746 "\"video_frame_rate_limit\":120,"
2747 "\"video_matrix_limit\":8294400,"
2748 "\"video_size_limit\":103809024}"
2749 );
2750
2751 {
2752 /* get the supported mime types from the internal list */
2753 const char **p = xs_mime_types;
2754 xs_set mtypes;
2755 xs_set_init(&mtypes);
2756
2757 while (*p) {
2758 const char *type = p[1];
2759
2760 if (xs_startswith(type, "image/") ||
2761 xs_startswith(type, "video/") ||
2762 xs_startswith(type, "audio/"))
2763 xs_set_add(&mtypes, type);
2764
2765 p += 2;
2766 }
2767
2768 xs *l = xs_set_result(&mtypes);
2769 d13 = xs_dict_append(d13, "supported_mime_types", l);
2770 }
2771
2772 cfg = xs_dict_append(cfg, "media_attachments", d13);
2773
2774 xs *d14 = xs_json_loads("{\"max_characters_per_option\":50,"
2775 "\"max_expiration\":2629746,"
2776 "\"max_options\":8,\"min_expiration\":300}");
2777 cfg = xs_dict_append(cfg, "polls", d14);
2778
2779
2780 xs *d15 = xs_json_loads("{\"max_reactions\":50}");
2781 cfg = xs_dict_append(cfg, "reactions", d15);
2782
2783 }
2784
2785 ins = xs_dict_append(ins, "configuration", cfg);
2786
2787 const char *admin_account = xs_dict_get(srv_config, "admin_account");
2788
2789 if (!xs_is_null(admin_account) && *admin_account) {
2790 snac admin;
2791
2792 if (user_open(&admin, admin_account)) {
2793 xs *actor = msg_actor(&admin);
2794 xs *acct = mastoapi_account(NULL, actor);
2795
2796 ins = xs_dict_append(ins, "contact_account", acct);
2797
2798 user_free(&admin);
2799 }
2800 }
2801
2802 *body = xs_json_dumps(ins, 4);
2803 *ctype = "application/json";
2804 status = HTTP_STATUS_OK;
2805 }
2806 else
2807 if (strcmp(cmd, "/v1/instance/peers") == 0) { /** **/
2808 /* get the collected inbox list as the instances "this domain is aware of" */
2809 xs *list = inbox_list();
2810 xs *peers = xs_list_new();
2811 const char *inbox;
2812
2813 xs_list_foreach(list, inbox) {
2814 xs *l = xs_split(inbox, "/");
2815 const char *domain = xs_list_get(l, 2);
2816
2817 if (xs_is_string(domain))
2818 peers = xs_list_append(peers, domain);
2819 }
2820
2821 *body = xs_json_dumps(peers, 4);
2822 *ctype = "application/json";
2823 status = HTTP_STATUS_OK;
2824 }
2825 else
2826 if (strcmp(cmd, "/v1/instance/extended_description") == 0) { /** **/
2827 xs *d = xs_dict_new();
2828 xs *greeting = xs_fmt("%s/greeting.html", srv_basedir);
2829 time_t t = mtime(greeting);
2830 xs *updated_at = xs_str_iso_date(t);
2831 xs *content = xs_replace(snac_blurb, "%host%", xs_dict_get(srv_config, "host"));
2832
2833 d = xs_dict_set(d, "updated_at", updated_at);
2834 d = xs_dict_set(d, "content", content);
2835
2836 *body = xs_json_dumps(d, 4);
2837 *ctype = "application/json";
2838 status = HTTP_STATUS_OK;
2839 }
2840 else
2841 if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
2842 /* information about a status */
2843 if (logged_in) {
2844 xs *l = xs_split(cmd, "/");
2845 const char *oid = xs_list_get(l, 3);
2846 const char *op = xs_list_get(l, 4);
2847
2848 if (!xs_is_null(oid)) {
2849 xs *msg = NULL;
2850 xs *out = NULL;
2851
2852 /* skip the 'fake' part of the id */
2853 oid = MID_TO_MD5(oid);
2854
2855 xs *id = xs_tolower_i(xs_dup(oid));
2856
2857 if (valid_status(object_get_by_md5(id, &msg))) {
2858 if (op == NULL) {
2859 if (!is_muted(&snac1, get_atto(msg))) {
2860 /* return the status itself */
2861 out = mastoapi_status(&snac1, msg);
2862 }
2863 }
2864 else
2865 if (strcmp(op, "context") == 0) { /** **/
2866 /* return ancestors and children */
2867 xs *anc = xs_list_new();
2868 xs *des = xs_list_new();
2869 char pid[MD5_HEX_SIZE];
2870
2871 /* build the [grand]parent list, moving up */
2872 strncpy(pid, id, sizeof(pid));
2873
2874 while (object_parent(pid, pid)) {
2875 xs *m2 = NULL;
2876
2877 if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
2878 xs *st = mastoapi_status(&snac1, m2);
2879
2880 if (st)
2881 anc = xs_list_insert(anc, 0, st);
2882 }
2883 else
2884 break;
2885 }
2886
2887 /* build the children list */
2888 xs *childs = build_childrens(msg, &snac1);
2889 if (xs_list_len(childs) > 0)
2890 des = xs_list_cat(des, childs);
2891
2892 out = xs_dict_new();
2893 out = xs_dict_append(out, "ancestors", anc);
2894 out = xs_dict_append(out, "descendants", des);
2895 }
2896 else
2897 if (strcmp(op, "reblogged_by") == 0 || /** **/
2898 strcmp(op, "favourited_by") == 0) { /** **/
2899 /* return the list of people who liked or boosted this */
2900 out = xs_list_new();
2901
2902 xs *l = NULL;
2903
2904 if (op[0] == 'r')
2905 l = object_announces(xs_dict_get(msg, "id"));
2906 else
2907 l = object_likes(xs_dict_get(msg, "id"));
2908
2909 xs_list *p = l;
2910 const xs_str *v;
2911
2912 while (xs_list_iter(&p, &v)) {
2913 xs *actor2 = NULL;
2914
2915 if (valid_status(object_get_by_md5(v, &actor2))) {
2916 xs *acct2 = mastoapi_account(&snac1, actor2);
2917
2918 out = xs_list_append(out, acct2);
2919 }
2920 }
2921 }
2922 else
2923 if (strcmp(op, "source") == 0) { /** **/
2924 out = xs_dict_new();
2925
2926 /* get the mastoapi status id */
2927 out = xs_dict_append(out, "id", xs_list_get(l, 3));
2928
2929 out = xs_dict_append(out, "text", xs_dict_get(msg, "sourceContent"));
2930 out = xs_dict_append(out, "spoiler_text", xs_dict_get(msg, "summary"));
2931 }
2932 }
2933 else
2934 srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
2935
2936 if (out != NULL) {
2937 *body = xs_json_dumps(out, 4);
2938 *ctype = "application/json";
2939 status = HTTP_STATUS_OK;
2940 }
2941 }
2942 }
2943 else
2944 status = HTTP_STATUS_UNAUTHORIZED;
2945 }
2946 else
2947 if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
2948 /* TBD */
2949 *body = xs_dup("{}");
2950 *ctype = "application/json";
2951 status = HTTP_STATUS_OK;
2952 }
2953 else
2954 if (strcmp(cmd, "/v1/markers") == 0) { /** **/
2955 if (logged_in) {
2956 const xs_list *timeline = xs_dict_get(args, "timeline[]");
2957 xs_str *json = NULL;
2958 if (!xs_is_null(timeline))
2959 json = xs_json_dumps(markers_get(&snac1, timeline), 4);
2960
2961 if (!xs_is_null(json))
2962 *body = json;
2963 else
2964 *body = xs_dup("{}");
2965
2966 *ctype = "application/json";
2967 status = HTTP_STATUS_OK;
2968 }
2969 else
2970 status = HTTP_STATUS_UNAUTHORIZED;
2971 }
2972 else
2973 if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
2974 if (logged_in) {
2975 xs *r = xs_list_new();
2976 const xs_list *followed_hashtags = xs_dict_get_def(snac1.config,
2977 "followed_hashtags", xs_stock(XSTYPE_LIST));
2978 const char *hashtag;
2979
2980 xs_list_foreach(followed_hashtags, hashtag) {
2981 if (*hashtag == '#') {
2982 xs *d = xs_dict_new();
2983 xs *s = xs_fmt("%s?t=%s", srv_baseurl, hashtag + 1);
2984
2985 d = xs_dict_set(d, "name", hashtag + 1);
2986 d = xs_dict_set(d, "url", s);
2987 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
2988
2989 r = xs_list_append(r, d);
2990 }
2991 }
2992
2993 *body = xs_json_dumps(r, 4);
2994 *ctype = "application/json";
2995 status = HTTP_STATUS_OK;
2996 }
2997 else
2998 status = HTTP_STATUS_UNAUTHORIZED;
2999 }
3000 else
3001 if (strcmp(cmd, "/v1/blocks") == 0) { /** **/
3002 *body = xs_dup("[]");
3003 *ctype = "application/json";
3004 status = HTTP_STATUS_OK;
3005 }
3006 else
3007 if (strcmp(cmd, "/v1/mutes") == 0) { /** **/
3008 *body = xs_dup("[]");
3009 *ctype = "application/json";
3010 status = HTTP_STATUS_OK;
3011 }
3012 else
3013 if (strcmp(cmd, "/v1/trends/tags") == 0) { /** **/
3014 *body = xs_dup("[]");
3015 *ctype = "application/json";
3016 status = HTTP_STATUS_OK;
3017 }
3018 else
3019 if (strcmp(cmd, "/v1/trends/statuses") == 0) { /** **/
3020 *body = xs_dup("[]");
3021 *ctype = "application/json";
3022 status = HTTP_STATUS_OK;
3023 }
3024 else
3025 if (strcmp(cmd, "/v2/search") == 0) { /** **/
3026 if (logged_in) {
3027 const char *q = xs_dict_get(args, "q");
3028 const char *type = xs_dict_get(args, "type");
3029 const char *offset = xs_dict_get(args, "offset");
3030
3031 xs *acl = xs_list_new();
3032 xs *stl = xs_list_new();
3033 xs *htl = xs_list_new();
3034 xs *res = xs_dict_new();
3035
3036 if (xs_is_null(offset) || strcmp(offset, "0") == 0) {
3037 /* reply something only for offset 0; otherwise,
3038 apps like Tusky keep asking again and again */
3039 if (xs_startswith(q, "https://")) {
3040 if (!timeline_here(&snac1, q)) {
3041 xs *object = NULL;
3042 int status;
3043
3044 status = activitypub_request(&snac1, q, &object);
3045 snac_debug(&snac1, 1, xs_fmt("Request searched URL %s %d", q, status));
3046
3047 if (valid_status(status)) {
3048 /* got it; also request the actor */
3049 const char *attr_to = get_atto(object);
3050 xs *actor_obj = NULL;
3051
3052 if (!xs_is_null(attr_to)) {
3053 status = actor_request(&snac1, attr_to, &actor_obj);
3054
3055 snac_debug(&snac1, 1, xs_fmt("Request author %s of %s %d", attr_to, q, status));
3056
3057 if (valid_status(status)) {
3058 /* add the actor */
3059 actor_add(attr_to, actor_obj);
3060
3061 /* add the post to the timeline */
3062 timeline_add(&snac1, q, object);
3063 }
3064 }
3065 }
3066 }
3067 }
3068
3069 if (!xs_is_null(q)) {
3070 if (xs_is_null(type) || strcmp(type, "accounts") == 0) {
3071 /* do a webfinger query */
3072 char *actor = NULL;
3073 char *user = NULL;
3074
3075 if (valid_status(webfinger_request(q, &actor, &user)) && actor) {
3076 xs *actor_o = NULL;
3077
3078 if (valid_status(actor_request(&snac1, actor, &actor_o))) {
3079 xs *acct = mastoapi_account(NULL, actor_o);
3080
3081 acl = xs_list_append(acl, acct);
3082
3083 if (!object_here(actor))
3084 object_add(actor, actor_o);
3085 }
3086 }
3087 }
3088
3089 if (xs_is_null(type) || strcmp(type, "hashtags") == 0) {
3090 /* search this tag */
3091 xs *tl = tag_search((char *)q, 0, 1);
3092
3093 if (xs_list_len(tl)) {
3094 xs *d = xs_dict_new();
3095
3096 d = xs_dict_append(d, "name", q);
3097 xs *url = xs_fmt("%s?t=%s", srv_baseurl, q);
3098 d = xs_dict_append(d, "url", url);
3099 d = xs_dict_append(d, "history", xs_stock(XSTYPE_LIST));
3100
3101 htl = xs_list_append(htl, d);
3102 }
3103 }
3104
3105 if (xs_is_null(type) || strcmp(type, "statuses") == 0) {
3106 int to = 0;
3107 int cnt = 40;
3108 xs *tl = content_search(&snac1, q, 1, 0, cnt, 0, &to);
3109 int c = 0;
3110 const char *v;
3111
3112 while (xs_list_next(tl, &v, &c) && --cnt) {
3113 xs *post = NULL;
3114
3115 if (!valid_status(timeline_get_by_md5(&snac1, v, &post)))
3116 continue;
3117
3118 xs *s = mastoapi_status(&snac1, post);
3119
3120 if (!xs_is_null(s))
3121 stl = xs_list_append(stl, s);
3122 }
3123 }
3124 }
3125 }
3126
3127 res = xs_dict_append(res, "accounts", acl);
3128 res = xs_dict_append(res, "statuses", stl);
3129 res = xs_dict_append(res, "hashtags", htl);
3130
3131 *body = xs_json_dumps(res, 4);
3132 *ctype = "application/json";
3133 status = HTTP_STATUS_OK;
3134 }
3135 else
3136 status = HTTP_STATUS_UNAUTHORIZED;
3137 }
3138
3139 /* user cleanup */
3140 if (logged_in)
3141 user_free(&snac1);
3142
3143 srv_debug(1, xs_fmt("mastoapi_get_handler %s %d", q_path, status));
3144
3145 return status;
3146}
3147
3148
3149int mastoapi_post_handler(const xs_dict *req, const char *q_path,
3150 const char *payload, int p_size,
3151 char **body, int *b_size, char **ctype)
3152{
3153 (void)p_size;
3154 (void)b_size;
3155
3156 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3157 return 0;
3158
3159 int status = HTTP_STATUS_NOT_FOUND;
3160 xs *args = NULL;
3161 const char *i_ctype = xs_dict_get(req, "content-type");
3162
3163 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3164 if (!xs_is_null(payload)) {
3165 args = xs_json_loads(payload);
3166 }
3167 }
3168 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3169 {
3170 // Some apps send form data instead of json so we should cater for those
3171 if (!xs_is_null(payload)) {
3172 args = xs_url_vars(payload);
3173 }
3174 }
3175 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
3176 {
3177 // Handle multipart/form-data by using p_vars (already parsed by httpd)
3178 args = xs_dup(xs_dict_get(req, "p_vars"));
3179 }
3180
3181 /* if args still NULL, try falling back to p_vars or q_vars */
3182 if (args == NULL)
3183 args = xs_dup(xs_dict_get(req, "p_vars"));
3184
3185 if (args == NULL)
3186 args = xs_dup(xs_dict_get(req, "q_vars"));
3187
3188 if (args == NULL) {
3189 srv_debug(1, xs_fmt("mastoapi_post_handler: failed to parse args for %s, content-type: %s",
3190 q_path, i_ctype ? i_ctype : "(null)"));
3191 return HTTP_STATUS_BAD_REQUEST;
3192 }
3193
3194 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3195
3196 snac snac = {0};
3197 int logged_in = process_auth_token(&snac, req);
3198
3199 if (strcmp(cmd, "/v1/apps") == 0) { /** **/
3200 const char *name = xs_dict_get(args, "client_name");
3201 const char *ruri = xs_dict_get(args, "redirect_uris");
3202 const char *scope = xs_dict_get(args, "scope");
3203
3204 /* Ice Cubes sends these values as query parameters, so try these */
3205 if (name == NULL && ruri == NULL && scope == NULL) {
3206 args = xs_dup(xs_dict_get(req, "q_vars"));
3207 name = xs_dict_get(args, "client_name");
3208 ruri = xs_dict_get(args, "redirect_uris");
3209 scope = xs_dict_get(args, "scope");
3210 }
3211
3212 if (xs_type(ruri) == XSTYPE_LIST)
3213 ruri = xs_dict_get(ruri, 0);
3214
3215 if (name && ruri) {
3216 xs *app = xs_dict_new();
3217 xs *id = xs_replace_i(tid(0), ".", "");
3218 xs *csec = random_str();
3219 xs *vkey = xs_dup(xs_dict_get(srv_config, "vkey"));
3220 if (vkey == NULL)
3221 vkey = random_str();
3222
3223 xs *cid = NULL;
3224
3225 /* pick a non-existent random cid */
3226 for (;;) {
3227 cid = random_str();
3228 xs *p_app = app_get(cid);
3229
3230 if (p_app == NULL)
3231 break;
3232
3233 xs_free(cid);
3234 }
3235
3236 app = xs_dict_append(app, "name", name);
3237 app = xs_dict_append(app, "redirect_uri", ruri);
3238 app = xs_dict_append(app, "client_id", cid);
3239 app = xs_dict_append(app, "client_secret", csec);
3240 app = xs_dict_append(app, "vapid_key", vkey);
3241 app = xs_dict_append(app, "id", id);
3242
3243 *body = xs_json_dumps(app, 4);
3244 *ctype = "application/json";
3245 status = HTTP_STATUS_OK;
3246
3247 app = xs_dict_append(app, "code", "");
3248
3249 if (scope)
3250 app = xs_dict_append(app, "scope", scope);
3251
3252 app_add(cid, app);
3253
3254 srv_debug(1, xs_fmt("mastoapi apps: new app %s", cid));
3255 }
3256 }
3257 else
3258 if (strcmp(cmd, "/v1/statuses") == 0) { /** **/
3259 if (logged_in) {
3260 /* post a new Note */
3261 const char *content = xs_dict_get(args, "status");
3262 const char *mid = xs_dict_get(args, "in_reply_to_id");
3263 const char *visibility = xs_dict_get(args, "visibility");
3264 const char *summary = xs_dict_get(args, "spoiler_text");
3265 const char *media_ids = xs_dict_get(args, "media_ids");
3266 const char *language = xs_dict_get(args, "language");
3267
3268 if (xs_is_null(media_ids))
3269 media_ids = xs_dict_get(args, "media_ids[]");
3270
3271 if (xs_is_null(media_ids))
3272 media_ids = xs_dict_get(args, "media_ids");
3273
3274 if (xs_is_null(visibility))
3275 visibility = "public";
3276
3277 xs *attach_list = xs_list_new();
3278 xs *irt = NULL;
3279
3280 /* is it a reply? */
3281 if (mid != NULL) {
3282 xs *r_msg = NULL;
3283 const char *md5 = MID_TO_MD5(mid);
3284
3285 if (valid_status(object_get_by_md5(md5, &r_msg)))
3286 irt = xs_dup(xs_dict_get(r_msg, "id"));
3287 }
3288
3289 /* does it have attachments? */
3290 if (!xs_is_null(media_ids)) {
3291 xs *mi = NULL;
3292
3293 if (xs_type(media_ids) == XSTYPE_LIST)
3294 mi = xs_dup(media_ids);
3295 else {
3296 mi = xs_list_new();
3297 mi = xs_list_append(mi, media_ids);
3298 }
3299
3300 xs_list *p = mi;
3301 const xs_str *v;
3302
3303 while (xs_list_iter(&p, &v)) {
3304 xs *l = xs_list_new();
3305 xs *url = xs_fmt("%s/s/%s", snac.actor, v);
3306 xs *desc = static_get_meta(&snac, v);
3307
3308 l = xs_list_append(l, url);
3309 l = xs_list_append(l, desc);
3310
3311 attach_list = xs_list_append(attach_list, l);
3312 }
3313 }
3314
3315 /* prepare the message */
3316 int scope = SCOPE_MENTIONED;
3317 if (strcmp(visibility, "unlisted") == 0)
3318 scope = SCOPE_UNLISTED;
3319 else
3320 if (strcmp(visibility, "public") == 0)
3321 scope = SCOPE_PUBLIC;
3322 else
3323 if (strcmp(visibility, "private") == 0)
3324 scope = SCOPE_FOLLOWERS;
3325
3326 xs *msg = msg_note(&snac, content, NULL, irt, attach_list, scope, language, NULL);
3327
3328 if (!xs_is_null(summary) && *summary) {
3329 msg = xs_dict_set(msg, "sensitive", xs_stock(XSTYPE_TRUE));
3330 msg = xs_dict_set(msg, "summary", summary);
3331 }
3332
3333 /* scheduled? */
3334 const char *scheduled_at = xs_dict_get(args, "scheduled_at");
3335
3336 if (xs_is_string(scheduled_at) && *scheduled_at) {
3337 msg = xs_dict_set(msg, "published", scheduled_at);
3338
3339 schedule_add(&snac, xs_dict_get(msg, "id"), msg);
3340 }
3341 else {
3342 /* store */
3343 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3344
3345 /* 'Create' message */
3346 xs *c_msg = msg_create(&snac, msg);
3347 enqueue_message(&snac, c_msg);
3348
3349 timeline_touch(&snac);
3350 }
3351
3352 /* convert to a mastodon status as a response code */
3353 xs *st = mastoapi_status(&snac, msg);
3354
3355 *body = xs_json_dumps(st, 4);
3356 *ctype = "application/json";
3357 status = HTTP_STATUS_OK;
3358 }
3359 else
3360 status = HTTP_STATUS_UNAUTHORIZED;
3361 }
3362 else
3363 if (xs_startswith(cmd, "/v1/statuses")) { /** **/
3364 if (logged_in) {
3365 /* operations on a status */
3366 xs *l = xs_split(cmd, "/");
3367 const char *mid = xs_list_get(l, 3);
3368 const char *op = xs_list_get(l, 4);
3369
3370 if (!xs_is_null(mid)) {
3371 xs *msg = NULL;
3372 xs *out = NULL;
3373
3374 /* skip the 'fake' part of the id */
3375 mid = MID_TO_MD5(mid);
3376
3377 /* try timeline first, then global object store for remote posts */
3378 int found = valid_status(timeline_get_by_md5(&snac, mid, &msg));
3379 if (!found)
3380 found = valid_status(object_get_by_md5(mid, &msg));
3381
3382 if (found) {
3383 const char *id = xs_dict_get(msg, "id");
3384
3385 if (op == NULL) {
3386 /* no operation (?) */
3387 }
3388 else
3389 if (strcmp(op, "favourite") == 0) { /** **/
3390 xs *n_msg = msg_admiration(&snac, id, "Like");
3391
3392 if (n_msg != NULL) {
3393 enqueue_message(&snac, n_msg);
3394 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1, msg);
3395
3396 out = mastoapi_status(&snac, msg);
3397 }
3398 }
3399 else
3400 if (strcmp(op, "unfavourite") == 0) { /** **/
3401 xs *n_msg = msg_repulsion(&snac, id, "Like");
3402
3403 if (n_msg != NULL) {
3404 enqueue_message(&snac, n_msg);
3405
3406 out = mastoapi_status(&snac, msg);
3407 }
3408 }
3409 else
3410 if (strcmp(op, "react") == 0) { /** **/
3411 const char *eid = xs_list_get(l, 5);
3412 xs *n_msg = msg_emoji_init(&snac, id, eid);
3413 if (n_msg)
3414 out = mastoapi_status(&snac, n_msg);
3415 }
3416 else
3417 if (strcmp(op, "unreact") == 0) { /** **/
3418 const char *eid = xs_list_get(l, 5);
3419 xs *content = xs_fmt("%s", eid);
3420
3421 if (eid) {
3422 xs *n_msg = msg_emoji_unreact(&snac, id, content);
3423
3424 if (n_msg != NULL) {
3425 enqueue_message(&snac, n_msg);
3426
3427 out = mastoapi_status(&snac, msg);
3428 }
3429 }
3430 }
3431
3432 else
3433 if (strcmp(op, "reblog") == 0) { /** **/
3434 xs *n_msg = msg_admiration(&snac, id, "Announce");
3435
3436 if (n_msg != NULL) {
3437 enqueue_message(&snac, n_msg);
3438 timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0, msg);
3439
3440 out = mastoapi_status(&snac, msg);
3441 }
3442 }
3443 else
3444 if (strcmp(op, "unreblog") == 0) { /** **/
3445 xs *n_msg = msg_repulsion(&snac, id, "Announce");
3446
3447 if (n_msg != NULL) {
3448 enqueue_message(&snac, n_msg);
3449
3450 out = mastoapi_status(&snac, msg);
3451 }
3452 }
3453 else
3454 if (strcmp(op, "bookmark") == 0) { /** **/
3455 /* bookmark this message */
3456 if (bookmark(&snac, id) == 0)
3457 out = mastoapi_status(&snac, msg);
3458 else
3459 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3460 }
3461 else
3462 if (strcmp(op, "unbookmark") == 0) { /** **/
3463 /* unbookmark this message */
3464 unbookmark(&snac, id);
3465 out = mastoapi_status(&snac, msg);
3466 }
3467 else
3468 if (strcmp(op, "pin") == 0) { /** **/
3469 /* pin this message */
3470 if (pin(&snac, id) == 0)
3471 out = mastoapi_status(&snac, msg);
3472 else
3473 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3474 }
3475 else
3476 if (strcmp(op, "unpin") == 0) { /** **/
3477 /* unpin this message */
3478 unpin(&snac, id);
3479 out = mastoapi_status(&snac, msg);
3480 }
3481 else
3482 if (strcmp(op, "mute") == 0) { /** **/
3483 /* Mastodon's mute is snac's hide */
3484 }
3485 else
3486 if (strcmp(op, "unmute") == 0) { /** **/
3487 /* Mastodon's unmute is snac's unhide */
3488 }
3489 }
3490
3491 if (out != NULL) {
3492 *body = xs_json_dumps(out, 4);
3493 *ctype = "application/json";
3494 status = HTTP_STATUS_OK;
3495 }
3496 }
3497 }
3498 else
3499 status = HTTP_STATUS_UNAUTHORIZED;
3500 }
3501 else
3502 if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
3503 if (logged_in) {
3504 notify_clear(&snac);
3505 timeline_touch(&snac);
3506
3507 *body = xs_dup("{}");
3508 *ctype = "application/json";
3509 status = HTTP_STATUS_OK;
3510 }
3511 else
3512 status = HTTP_STATUS_UNAUTHORIZED;
3513 }
3514 else
3515 if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
3516 /* I don't know what I'm doing */
3517 if (logged_in) {
3518 const char *v;
3519
3520 xs *wpush = xs_dict_new();
3521
3522 wpush = xs_dict_append(wpush, "id", "1");
3523
3524 v = xs_dict_get(args, "data");
3525 v = xs_dict_get(v, "alerts");
3526 wpush = xs_dict_append(wpush, "alerts", v);
3527
3528 v = xs_dict_get(args, "subscription");
3529 v = xs_dict_get(v, "endpoint");
3530 wpush = xs_dict_append(wpush, "endpoint", v);
3531
3532 xs *server_key = random_str();
3533 wpush = xs_dict_append(wpush, "server_key", server_key);
3534
3535 *body = xs_json_dumps(wpush, 4);
3536 *ctype = "application/json";
3537 status = HTTP_STATUS_OK;
3538 }
3539 else
3540 status = HTTP_STATUS_UNAUTHORIZED;
3541 }
3542 else
3543 if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
3544 if (logged_in) {
3545 const xs_list *file = xs_dict_get(args, "file");
3546 const char *desc = xs_dict_get(args, "description");
3547
3548 if (xs_is_null(desc))
3549 desc = "";
3550
3551 status = HTTP_STATUS_BAD_REQUEST;
3552
3553 if (xs_type(file) == XSTYPE_LIST) {
3554 const char *fn = xs_list_get(file, 0);
3555
3556 if (*fn != '\0') {
3557 char *ext = strrchr(fn, '.');
3558 char rnd[32];
3559 xs_rnd_buf(rnd, sizeof(rnd));
3560 xs *hash = xs_md5_hex(rnd, sizeof(rnd));
3561 xs *id = xs_fmt("post-%s%s", hash, ext ? ext : "");
3562 xs *url = xs_fmt("%s/s/%s", snac.actor, id);
3563 int fo = xs_number_get(xs_list_get(file, 1));
3564 int fs = xs_number_get(xs_list_get(file, 2));
3565
3566 /* store */
3567 static_put(&snac, id, payload + fo, fs);
3568 static_put_meta(&snac, id, desc);
3569
3570 /* prepare a response */
3571 xs *rsp = xs_dict_new();
3572
3573 rsp = xs_dict_append(rsp, "id", id);
3574 rsp = xs_dict_append(rsp, "type", "image");
3575 rsp = xs_dict_append(rsp, "url", url);
3576 rsp = xs_dict_append(rsp, "preview_url", url);
3577 rsp = xs_dict_append(rsp, "remote_url", url);
3578 rsp = xs_dict_append(rsp, "description", desc);
3579
3580 *body = xs_json_dumps(rsp, 4);
3581 *ctype = "application/json";
3582 status = HTTP_STATUS_OK;
3583 }
3584 }
3585 }
3586 else
3587 status = HTTP_STATUS_UNAUTHORIZED;
3588 }
3589 else
3590 if (xs_startswith(cmd, "/v1/accounts")) { /** **/
3591 if (logged_in) {
3592 /* account-related information */
3593 xs *l = xs_split(cmd, "/");
3594 const char *md5 = xs_list_get(l, 3);
3595 const char *opt = xs_list_get(l, 4);
3596 xs *rsp = NULL;
3597
3598 if (!xs_is_null(md5) && *md5) {
3599 xs *actor_o = NULL;
3600
3601 if (xs_is_null(opt)) {
3602 /* ? */
3603 }
3604 else
3605 if (strcmp(opt, "follow") == 0) { /** **/
3606 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3607 const char *actor = xs_dict_get(actor_o, "id");
3608
3609 xs *msg = msg_follow(&snac, actor);
3610
3611 if (msg != NULL) {
3612 /* reload the actor from the message, in may be different */
3613 actor = xs_dict_get(msg, "object");
3614
3615 following_add(&snac, actor, msg);
3616
3617 enqueue_output_by_actor(&snac, msg, actor, 0);
3618
3619 rsp = mastoapi_relationship(&snac, md5);
3620 }
3621 }
3622 }
3623 else
3624 if (strcmp(opt, "unfollow") == 0) { /** **/
3625 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3626 const char *actor = xs_dict_get(actor_o, "id");
3627
3628 /* get the following object */
3629 xs *object = NULL;
3630
3631 if (valid_status(following_get(&snac, actor, &object))) {
3632 xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
3633
3634 following_del(&snac, actor);
3635
3636 enqueue_output_by_actor(&snac, msg, actor, 0);
3637
3638 rsp = mastoapi_relationship(&snac, md5);
3639 }
3640 }
3641 }
3642 else
3643 if (strcmp(opt, "block") == 0) { /** **/
3644 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3645 const char *actor = xs_dict_get(actor_o, "id");
3646
3647 mute(&snac, actor);
3648
3649 rsp = mastoapi_relationship(&snac, md5);
3650 }
3651 }
3652 else
3653 if (strcmp(opt, "unblock") == 0) { /** **/
3654 if (valid_status(object_get_by_md5(md5, &actor_o))) {
3655 const char *actor = xs_dict_get(actor_o, "id");
3656
3657 unmute(&snac, actor);
3658
3659 rsp = mastoapi_relationship(&snac, md5);
3660 }
3661 }
3662 }
3663
3664 if (rsp != NULL) {
3665 *body = xs_json_dumps(rsp, 4);
3666 *ctype = "application/json";
3667 status = HTTP_STATUS_OK;
3668 }
3669 }
3670 else
3671 status = HTTP_STATUS_UNAUTHORIZED;
3672 }
3673 else
3674 if (xs_startswith(cmd, "/v1/polls")) { /** **/
3675 if (logged_in) {
3676 /* operations on a status */
3677 xs *l = xs_split(cmd, "/");
3678 const char *mid = xs_list_get(l, 3);
3679 const char *op = xs_list_get(l, 4);
3680
3681 if (!xs_is_null(mid)) {
3682 xs *msg = NULL;
3683 xs *out = NULL;
3684
3685 /* skip the 'fake' part of the id */
3686 mid = MID_TO_MD5(mid);
3687
3688 if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
3689 const char *id = xs_dict_get(msg, "id");
3690 const char *atto = get_atto(msg);
3691
3692 const xs_list *opts = xs_dict_get(msg, "oneOf");
3693 if (opts == NULL)
3694 opts = xs_dict_get(msg, "anyOf");
3695
3696 if (op == NULL) {
3697 }
3698 else
3699 if (strcmp(op, "votes") == 0) {
3700 const xs_list *choices = xs_dict_get(args, "choices[]");
3701
3702 if (xs_is_null(choices))
3703 choices = xs_dict_get(args, "choices");
3704
3705 if (xs_type(choices) == XSTYPE_LIST) {
3706 const xs_str *v;
3707
3708 int c = 0;
3709 while (xs_list_next(choices, &v, &c)) {
3710 int io = atoi(v);
3711 const xs_dict *o = xs_list_get(opts, io);
3712
3713 if (o) {
3714 const char *name = xs_dict_get(o, "name");
3715
3716 xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1, NULL, NULL);
3717 msg = xs_dict_append(msg, "name", name);
3718
3719 xs *c_msg = msg_create(&snac, msg);
3720 enqueue_message(&snac, c_msg);
3721 timeline_add(&snac, xs_dict_get(msg, "id"), msg);
3722 }
3723 }
3724
3725 out = mastoapi_poll(&snac, msg);
3726 }
3727 }
3728 }
3729
3730 if (out != NULL) {
3731 *body = xs_json_dumps(out, 4);
3732 *ctype = "application/json";
3733 status = HTTP_STATUS_OK;
3734 }
3735 }
3736 }
3737 else
3738 status = HTTP_STATUS_UNAUTHORIZED;
3739 }
3740 else
3741 if (strcmp(cmd, "/v1/lists") == 0) {
3742 if (logged_in) {
3743 const char *title = xs_dict_get(args, "title");
3744
3745 if (xs_type(title) == XSTYPE_STRING) {
3746 /* add the list */
3747 xs *out = xs_dict_new();
3748 xs *lid = list_maint(&snac, title, 1);
3749
3750 if (!xs_is_null(lid)) {
3751 out = xs_dict_append(out, "id", lid);
3752 out = xs_dict_append(out, "title", title);
3753 out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
3754 out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
3755
3756 status = HTTP_STATUS_OK;
3757 }
3758 else {
3759 out = xs_dict_append(out, "error", "cannot create list");
3760 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3761 }
3762
3763 *body = xs_json_dumps(out, 4);
3764 *ctype = "application/json";
3765 }
3766 else
3767 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3768 }
3769 }
3770 else
3771 if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
3772 if (logged_in) {
3773 xs *l = xs_split(cmd, "/");
3774 const char *op = xs_list_get(l, -1);
3775 const char *id = xs_list_get(l, -2);
3776
3777 if (op && id && xs_is_hex(id)) {
3778 if (strcmp(op, "accounts") == 0) {
3779 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3780
3781 if (xs_is_null(accts))
3782 accts = xs_dict_get(args, "account_ids");
3783
3784 int c = 0;
3785 const char *v;
3786
3787 while (xs_list_next(accts, &v, &c)) {
3788 list_members(&snac, id, v, 1);
3789 }
3790
3791 xs *out = xs_dict_new();
3792 *body = xs_json_dumps(out, 4);
3793 *ctype = "application/json";
3794 status = HTTP_STATUS_OK;
3795 }
3796 }
3797 }
3798 }
3799 else if (strcmp(cmd, "/v1/markers") == 0) { /** **/
3800 xs_str *json = NULL;
3801 if (logged_in) {
3802 const xs_str *home_marker = xs_dict_get(args, "home[last_read_id]");
3803 if (xs_is_null(home_marker)) {
3804 const xs_dict *home = xs_dict_get(args, "home");
3805 if (!xs_is_null(home))
3806 home_marker = xs_dict_get(home, "last_read_id");
3807 }
3808
3809 const xs_str *notify_marker = xs_dict_get(args, "notifications[last_read_id]");
3810 if (xs_is_null(notify_marker)) {
3811 const xs_dict *notify = xs_dict_get(args, "notifications");
3812 if (!xs_is_null(notify))
3813 notify_marker = xs_dict_get(notify, "last_read_id");
3814 }
3815 json = xs_json_dumps(markers_set(&snac, home_marker, notify_marker), 4);
3816 }
3817 if (!xs_is_null(json))
3818 *body = json;
3819 else
3820 *body = xs_dup("{}");
3821
3822 *ctype = "application/json";
3823 status = HTTP_STATUS_OK;
3824 }
3825 else
3826 if (xs_startswith(cmd, "/v1/follow_requests")) { /** **/
3827 if (logged_in) {
3828 /* "authorize" or "reject" */
3829 xs *rel = NULL;
3830 xs *l = xs_split(cmd, "/");
3831 const char *md5 = xs_list_get(l, -2);
3832 const char *s_cmd = xs_list_get(l, -1);
3833
3834 if (xs_is_string(md5) && xs_is_string(s_cmd)) {
3835 xs *actor = NULL;
3836
3837 if (valid_status(object_get_by_md5(md5, &actor))) {
3838 const char *actor_id = xs_dict_get(actor, "id");
3839
3840 if (strcmp(s_cmd, "authorize") == 0) {
3841 xs *fwreq = pending_get(&snac, actor_id);
3842
3843 if (fwreq != NULL) {
3844 xs *reply = msg_accept(&snac, fwreq, actor_id);
3845
3846 enqueue_message(&snac, reply);
3847
3848 if (xs_is_null(xs_dict_get(fwreq, "published"))) {
3849 xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
3850 fwreq = xs_dict_set(fwreq, "published", date);
3851 }
3852
3853 timeline_add(&snac, xs_dict_get(fwreq, "id"), fwreq);
3854
3855 follower_add(&snac, actor_id);
3856
3857 pending_del(&snac, actor_id);
3858 rel = mastoapi_relationship(&snac, md5);
3859 }
3860 }
3861 else
3862 if (strcmp(s_cmd, "reject") == 0) {
3863 pending_del(&snac, actor_id);
3864 rel = mastoapi_relationship(&snac, md5);
3865 }
3866 }
3867 }
3868
3869 if (rel != NULL) {
3870 *body = xs_json_dumps(rel, 4);
3871 *ctype = "application/json";
3872 status = HTTP_STATUS_OK;
3873 }
3874 }
3875 }
3876 else
3877 if (xs_startswith(cmd, "/v1/tags/")) { /** **/
3878 if (logged_in) {
3879 xs *l = xs_split(cmd, "/");
3880 const char *i_tag = xs_list_get(l, 3);
3881 const char *cmd = xs_list_get(l, 4);
3882
3883 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3884
3885 if (xs_is_string(i_tag) && xs_is_string(cmd)) {
3886 int ok = 0;
3887
3888 xs *tag = xs_fmt("#%s", i_tag);
3889 xs *followed_hashtags = xs_dup(xs_dict_get_def(snac.config,
3890 "followed_hashtags", xs_stock(XSTYPE_LIST)));
3891
3892 if (strcmp(cmd, "follow") == 0) {
3893 followed_hashtags = xs_list_append(followed_hashtags, tag);
3894 ok = 1;
3895 }
3896 else
3897 if (strcmp(cmd, "unfollow") == 0) {
3898 int off = xs_list_in(followed_hashtags, tag);
3899
3900 if (off != -1)
3901 followed_hashtags = xs_list_del(followed_hashtags, off);
3902
3903 ok = 1;
3904 }
3905
3906 if (ok) {
3907 /* update */
3908 xs_dict_set(snac.config, "followed_hashtags", followed_hashtags);
3909 user_persist(&snac, 0);
3910
3911 xs *d = xs_dict_new();
3912 xs *s = xs_fmt("%s?t=%s", srv_baseurl, i_tag);
3913 d = xs_dict_set(d, "name", i_tag);
3914 d = xs_dict_set(d, "url", s);
3915 d = xs_dict_set(d, "history", xs_stock(XSTYPE_LIST));
3916
3917 *body = xs_json_dumps(d, 4);
3918 *ctype = "application/json";
3919 status = HTTP_STATUS_OK;
3920 }
3921 }
3922 }
3923 }
3924 else
3925 status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
3926
3927 /* user cleanup */
3928 if (logged_in)
3929 user_free(&snac);
3930
3931 srv_debug(1, xs_fmt("mastoapi_post_handler %s %d", q_path, status));
3932
3933 return status;
3934}
3935
3936
3937int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
3938 const char *payload, int p_size,
3939 char **body, int *b_size, char **ctype)
3940{
3941 (void)p_size;
3942 (void)b_size;
3943 (void)ctype;
3944
3945 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
3946 return 0;
3947
3948 int status = HTTP_STATUS_NOT_FOUND;
3949 xs *args = NULL;
3950 const char *i_ctype = xs_dict_get(req, "content-type");
3951
3952 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
3953 if (!xs_is_null(payload))
3954 args = xs_json_loads(payload);
3955 }
3956 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
3957 {
3958 // Some apps send form data instead of json so we should cater for those
3959 if (!xs_is_null(payload)) {
3960 args = xs_url_vars(payload);
3961 }
3962 }
3963 else
3964 args = xs_dup(xs_dict_get(req, "p_vars"));
3965
3966 if (args == NULL)
3967 return HTTP_STATUS_BAD_REQUEST;
3968
3969 snac snac = {0};
3970 int logged_in = process_auth_token(&snac, req);
3971
3972 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
3973
3974 if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
3975 // pretend we deleted it, since it doesn't exist anyway
3976 status = HTTP_STATUS_OK;
3977 }
3978 else
3979 if (xs_startswith(cmd, "/v1/lists/")) {
3980 if (logged_in) {
3981 xs *l = xs_split(cmd, "/");
3982 const char *p = xs_list_get(l, -1);
3983
3984 if (p) {
3985 if (strcmp(p, "accounts") == 0) {
3986 /* delete account from list */
3987 p = xs_list_get(l, -2);
3988 const xs_list *accts = xs_dict_get(args, "account_ids[]");
3989
3990 if (xs_is_null(accts))
3991 accts = xs_dict_get(args, "account_ids");
3992
3993 int c = 0;
3994 const char *v;
3995
3996 while (xs_list_next(accts, &v, &c)) {
3997 list_members(&snac, p, v, 2);
3998 }
3999 }
4000 else {
4001 /* delete list */
4002 if (xs_is_hex(p)) {
4003 list_maint(&snac, p, 2);
4004 }
4005 }
4006 }
4007
4008 *ctype = "application/json";
4009 status = HTTP_STATUS_OK;
4010 }
4011 else
4012 status = HTTP_STATUS_UNAUTHORIZED;
4013 }
4014 else
4015 if (xs_startswith(cmd, "/v1/statuses/")) {
4016 if (logged_in) {
4017 xs *l = xs_split(cmd, "/");
4018 const char *p = xs_list_get(l, -1);
4019 p = MID_TO_MD5(p);
4020
4021 xs *obj = NULL;
4022 if (valid_status(object_get_by_md5(p, &obj))) {
4023 const char *id = xs_dict_get(obj, "id");
4024
4025 if (xs_is_string(id) && is_msg_mine(&snac, id)) {
4026 xs *out = mastoapi_status(&snac, obj);
4027
4028 xs *msg = msg_delete(&snac, id);
4029
4030 enqueue_message(&snac, msg);
4031
4032 timeline_del(&snac, id);
4033
4034 draft_del(&snac, id);
4035
4036 schedule_del(&snac, id);
4037
4038 snac_log(&snac, xs_fmt("deleted entry %s", id));
4039
4040 *body = xs_json_dumps(out, 4);
4041 *ctype = "application/json";
4042 status = HTTP_STATUS_OK;
4043 }
4044 }
4045 }
4046 else
4047 status = HTTP_STATUS_UNAUTHORIZED;
4048 }
4049
4050 /* user cleanup */
4051 if (logged_in)
4052 user_free(&snac);
4053
4054 srv_debug(1, xs_fmt("mastoapi_delete_handler %s %d", q_path, status));
4055
4056 return status;
4057}
4058
4059
4060int mastoapi_put_handler(const xs_dict *req, const char *q_path,
4061 const char *payload, int p_size,
4062 char **body, int *b_size, char **ctype)
4063{
4064 (void)p_size;
4065 (void)b_size;
4066
4067 if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
4068 return 0;
4069
4070 int status = HTTP_STATUS_NOT_FOUND;
4071 xs *args = NULL;
4072 const char *i_ctype = xs_dict_get(req, "content-type");
4073
4074 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4075 if (!xs_is_null(payload))
4076 args = xs_json_loads(payload);
4077 }
4078 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4079 {
4080 // Some apps send form data instead of json so we should cater for those
4081 if (!xs_is_null(payload)) {
4082 args = xs_url_vars(payload);
4083 }
4084 }
4085 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4086 {
4087 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4088 args = xs_dup(xs_dict_get(req, "p_vars"));
4089 }
4090
4091 /* if args still NULL, try falling back to p_vars or q_vars */
4092 if (args == NULL)
4093 args = xs_dup(xs_dict_get(req, "p_vars"));
4094
4095 if (args == NULL)
4096 args = xs_dup(xs_dict_get(req, "q_vars"));
4097
4098 if (args == NULL) {
4099 srv_debug(1, xs_fmt("mastoapi_put_handler: failed to parse args for %s, content-type: %s",
4100 q_path, i_ctype ? i_ctype : "(null)"));
4101 return HTTP_STATUS_BAD_REQUEST;
4102 }
4103
4104 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4105
4106 snac snac = {0};
4107 int logged_in = process_auth_token(&snac, req);
4108
4109 if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/
4110 if (logged_in) {
4111 xs *l = xs_split(cmd, "/");
4112 const char *stid = xs_list_get(l, 3);
4113
4114 if (!xs_is_null(stid)) {
4115 const char *desc = xs_dict_get(args, "description");
4116
4117 /* set the image metadata */
4118 static_put_meta(&snac, stid, desc);
4119
4120 /* prepare a response */
4121 xs *rsp = xs_dict_new();
4122 xs *url = xs_fmt("%s/s/%s", snac.actor, stid);
4123
4124 rsp = xs_dict_append(rsp, "id", stid);
4125 rsp = xs_dict_append(rsp, "type", "image");
4126 rsp = xs_dict_append(rsp, "url", url);
4127 rsp = xs_dict_append(rsp, "preview_url", url);
4128 rsp = xs_dict_append(rsp, "remote_url", url);
4129 rsp = xs_dict_append(rsp, "description", desc);
4130
4131 *body = xs_json_dumps(rsp, 4);
4132 *ctype = "application/json";
4133 status = HTTP_STATUS_OK;
4134 }
4135 }
4136 else
4137 status = HTTP_STATUS_UNAUTHORIZED;
4138 }
4139 else
4140 if (xs_startswith(cmd, "/v1/statuses")) {
4141 if (logged_in) {
4142 xs *l = xs_split(cmd, "/");
4143 const char *mid = xs_list_get(l, 3);
4144
4145 if (!xs_is_null(mid)) {
4146 const char *md5 = MID_TO_MD5(mid);
4147 xs *rsp = NULL;
4148 xs *msg = NULL;
4149
4150 if (valid_status(timeline_get_by_md5(&snac, md5, &msg))) {
4151 const char *content = xs_dict_get(args, "status");
4152 xs *atls = xs_list_new();
4153 xs *f_content = not_really_markdown(content, &atls, NULL);
4154
4155 /* replace fields with new content */
4156 msg = xs_dict_set(msg, "sourceContent", content);
4157 msg = xs_dict_set(msg, "content", f_content);
4158
4159 xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
4160 msg = xs_dict_set(msg, "updated", updated);
4161
4162 /* overwrite object, not updating the indexes */
4163 object_add_ow(xs_dict_get(msg, "id"), msg);
4164
4165 /* update message */
4166 xs *c_msg = msg_update(&snac, msg);
4167
4168 enqueue_message(&snac, c_msg);
4169
4170 rsp = mastoapi_status(&snac, msg);
4171 }
4172
4173 if (rsp != NULL) {
4174 *body = xs_json_dumps(rsp, 4);
4175 *ctype = "application/json";
4176 status = HTTP_STATUS_OK;
4177 }
4178 }
4179 }
4180 else
4181 status = HTTP_STATUS_UNAUTHORIZED;
4182 }
4183
4184 /* user cleanup */
4185 if (logged_in)
4186 user_free(&snac);
4187
4188 srv_debug(1, xs_fmt("mastoapi_put_handler %s %d", q_path, status));
4189
4190 return status;
4191}
4192
4193void persist_image(const char *key, const xs_val *data, const char *payload, snac *snac)
4194/* Store header or avatar */
4195{
4196 if (data != NULL) {
4197 if (xs_type(data) == XSTYPE_LIST) {
4198 const char *fn = xs_list_get(data, 0);
4199
4200 if (fn && *fn) {
4201 const char *ext = strrchr(fn, '.');
4202
4203 /* Mona iOS sends always jpg as application/octet-stream with no filename */
4204 if (ext == NULL || strcmp(fn, key) == 0) {
4205 ext = ".jpg";
4206 }
4207
4208 /* Make sure we have a unique file name, otherwise updated images will not be
4209 * re-loaded by clients. */
4210 xs *rnd = random_str();
4211 xs *hash = xs_md5_hex(rnd, strlen(rnd));
4212 xs *id = xs_fmt("%s%s", hash, ext);
4213 xs *url = xs_fmt("%s/s/%s", snac->actor, id);
4214 int fo = xs_number_get(xs_list_get(data, 1));
4215 int fs = xs_number_get(xs_list_get(data, 2));
4216
4217 /* store */
4218 static_put(snac, id, payload + fo, fs);
4219
4220 snac->config = xs_dict_set(snac->config, key, url);
4221 }
4222 }
4223 }
4224}
4225
4226int mastoapi_patch_handler(const xs_dict *req, const char *q_path,
4227 const char *payload, int p_size,
4228 char **body, int *b_size, char **ctype)
4229/* Handle profile updates */
4230{
4231 (void)p_size;
4232 (void)b_size;
4233
4234 if (!xs_startswith(q_path, "/api/v1/"))
4235 return 0;
4236
4237 int status = HTTP_STATUS_NOT_FOUND;
4238 xs *args = NULL;
4239 const char *i_ctype = xs_dict_get(req, "content-type");
4240
4241 if (i_ctype && xs_startswith(i_ctype, "application/json")) {
4242 if (!xs_is_null(payload))
4243 args = xs_json_loads(payload);
4244 }
4245 else if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded"))
4246 {
4247 // Some apps send form data instead of json so we should cater for those
4248 if (!xs_is_null(payload)) {
4249 args = xs_url_vars(payload);
4250 }
4251 }
4252 else if (i_ctype && xs_startswith(i_ctype, "multipart/form-data"))
4253 {
4254 // Handle multipart/form-data by using p_vars (already parsed by httpd)
4255 args = xs_dup(xs_dict_get(req, "p_vars"));
4256 }
4257
4258 /* if args still NULL, try falling back to p_vars or q_vars */
4259 if (args == NULL)
4260 args = xs_dup(xs_dict_get(req, "p_vars"));
4261
4262 if (args == NULL)
4263 args = xs_dup(xs_dict_get(req, "q_vars"));
4264
4265 if (args == NULL) {
4266 srv_debug(1, xs_fmt("mastoapi_patch_handler: failed to parse args for %s, content-type: %s",
4267 q_path, i_ctype ? i_ctype : "(null)"));
4268 return HTTP_STATUS_BAD_REQUEST;
4269 }
4270
4271 xs *cmd = xs_replace_n(q_path, "/api", "", 1);
4272
4273 snac snac = {0};
4274 int logged_in = process_auth_token(&snac, req);
4275
4276 if (xs_startswith(cmd, "/v1/accounts/update_credentials")) { /** **/
4277 /* Update user profile fields */
4278 if (logged_in) {
4279 int c = 0;
4280 const xs_str *k;
4281 const xs_val *v;
4282 const xs_str *field_name = NULL;
4283 xs *new_fields = xs_dict_new();
4284 while (xs_dict_next(args, &k, &v, &c)) {
4285 if (strcmp(k, "display_name") == 0) {
4286 if (v != NULL)
4287 snac.config = xs_dict_set(snac.config, "name", v);
4288 }
4289 else
4290 if (strcmp(k, "note") == 0) {
4291 if (v != NULL)
4292 snac.config = xs_dict_set(snac.config, "bio", v);
4293 }
4294 else
4295 if (strcmp(k, "bot") == 0) {
4296 if (v != NULL)
4297 snac.config = xs_dict_set(snac.config, "bot",
4298 (strcmp(v, "true") == 0 ||
4299 strcmp(v, "1") == 0) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4300 }
4301 else
4302 if (strcmp(k, "source[sensitive]") == 0) {
4303 if (v != NULL)
4304 snac.config = xs_dict_set(snac.config, "cw",
4305 strcmp(v, "true") == 0 ? "open" : "");
4306 }
4307 else
4308 if (strcmp(k, "source[privacy]") == 0) {
4309 if (v != NULL)
4310 snac.config = xs_dict_set(snac.config, "private",
4311 strcmp(v, "private") == 0 ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
4312 }
4313 else
4314 if (strcmp(k, "header") == 0) {
4315 persist_image("header", v, payload, &snac);
4316 }
4317 else
4318 if (strcmp(k, "avatar") == 0) {
4319 persist_image("avatar", v, payload, &snac);
4320 }
4321 else
4322 if (xs_between("fields_attributes", k, "[name]")) {
4323 field_name = strcmp(v, "") != 0 ? v : NULL;
4324 }
4325 else
4326 if (xs_between("fields_attributes", k, "[value]")) {
4327 if (field_name != NULL) {
4328 new_fields = xs_dict_set(new_fields, field_name, v);
4329 snac.config = xs_dict_set(snac.config, "metadata", new_fields);
4330 }
4331 }
4332 else
4333 if (strcmp(k, "locked") == 0) {
4334 snac.config = xs_dict_set(snac.config, "approve_followers",
4335 xs_stock(strcmp(v, "true") == 0 ? XSTYPE_TRUE : XSTYPE_FALSE));
4336 }
4337 /* we don't have support for the following options, yet
4338 - discoverable (0/1)
4339 */
4340 }
4341
4342 /* Persist profile */
4343 if (user_persist(&snac, 1) == 0)
4344 credentials_get(body, ctype, &status, snac);
4345 else
4346 status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
4347 }
4348 else
4349 status = HTTP_STATUS_UNAUTHORIZED;
4350 }
4351
4352 /* user cleanup */
4353 if (logged_in)
4354 user_free(&snac);
4355
4356 srv_debug(1, xs_fmt("mastoapi_patch_handler %s %d", q_path, status));
4357
4358 return status;
4359}
4360
4361
4362void mastoapi_purge(void)
4363{
4364 xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir);
4365 xs *files = xs_glob(spec, 1, 0);
4366 xs_list *p = files;
4367 const xs_str *v;
4368
4369 time_t mt = time(NULL) - 3600;
4370
4371 while (xs_list_iter(&p, &v)) {
4372 xs *cid = xs_replace(v, ".json", "");
4373 xs *fn = _app_fn(cid);
4374
4375 if (mtime(fn) < mt) {
4376 /* get the app */
4377 xs *app = app_get(cid);
4378
4379 if (app) {
4380 /* old apps with no uid are incomplete cruft */
4381 const char *uid = xs_dict_get(app, "uid");
4382
4383 if (xs_is_null(uid) || *uid == '\0') {
4384 unlink(fn);
4385 srv_debug(2, xs_fmt("purged %s", fn));
4386 }
4387 }
4388 }
4389 }
4390}
4391
4392
4393#endif /* #ifndef NO_MASTODON_API */
