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mastoapi.c
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/* snac - A simple, minimalistic ActivityPub instance */
/* copyright (c) 2022 - 2024 grunfink et al. / MIT license */
#ifndef NO_MASTODON_API
#include "xs.h"
#include "xs_hex.h"
#include "xs_openssl.h"
#include "xs_json.h"
#include "xs_io.h"
#include "xs_time.h"
#include "xs_glob.h"
#include "xs_set.h"
#include "xs_random.h"
#include "xs_url.h"
#include "xs_mime.h"
#include "xs_match.h"
#include "snac.h"
#include <sys/time.h>
static xs_str *random_str(void)
/* just what is says in the tin */
{
unsigned int data[4] = {0};
xs_rnd_buf(data, sizeof(data));
return xs_hex_enc((char *)data, sizeof(data));
}
int app_add(const char *id, const xs_dict *app)
/* stores an app */
{
if (!xs_is_hex(id))
return HTTP_STATUS_INTERNAL_SERVER_ERROR;
int status = HTTP_STATUS_CREATED;
xs *fn = xs_fmt("%s/app/", srv_basedir);
FILE *f;
mkdirx(fn);
fn = xs_str_cat(fn, id);
fn = xs_str_cat(fn, ".json");
if ((f = fopen(fn, "w")) != NULL) {
xs_json_dump(app, 4, f);
fclose(f);
}
else
status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
return status;
}
xs_str *_app_fn(const char *id)
{
return xs_fmt("%s/app/%s.json", srv_basedir, id);
}
xs_dict *app_get(const char *id)
/* gets an app */
{
if (!xs_is_hex(id))
return NULL;
xs *fn = _app_fn(id);
xs_dict *app = NULL;
FILE *f;
if ((f = fopen(fn, "r")) != NULL) {
app = xs_json_load(f);
fclose(f);
}
return app;
}
int app_del(const char *id)
/* deletes an app */
{
if (!xs_is_hex(id))
return -1;
xs *fn = _app_fn(id);
return unlink(fn);
}
int token_add(const char *id, const xs_dict *token)
/* stores a token */
{
if (!xs_is_hex(id))
return HTTP_STATUS_INTERNAL_SERVER_ERROR;
int status = HTTP_STATUS_CREATED;
xs *fn = xs_fmt("%s/token/", srv_basedir);
FILE *f;
mkdirx(fn);
fn = xs_str_cat(fn, id);
fn = xs_str_cat(fn, ".json");
if ((f = fopen(fn, "w")) != NULL) {
xs_json_dump(token, 4, f);
fclose(f);
}
else
status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
return status;
}
xs_dict *token_get(const char *id)
/* gets a token */
{
if (!xs_is_hex(id))
return NULL;
xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
xs_dict *token = NULL;
FILE *f;
if ((f = fopen(fn, "r")) != NULL) {
token = xs_json_load(f);
fclose(f);
/* 'touch' the file */
utimes(fn, NULL);
/* also 'touch' the app */
const char *app_id = xs_dict_get(token, "client_id");
if (app_id) {
xs *afn = xs_fmt("%s/app/%s.json", srv_basedir, app_id);
utimes(afn, NULL);
}
}
return token;
}
int token_del(const char *id)
/* deletes a token */
{
if (!xs_is_hex(id))
return -1;
xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
return unlink(fn);
}
const char *login_page = ""
"<!DOCTYPE html>\n"
"<html>\n"
"<head>\n"
"<title>%s OAuth - Snac2</title>\n"
"<meta content=\"width=device-width, initial-scale=1, minimum-scale=1, user-scalable=no\" name=\"viewport\">"
"<style>:root {color-scheme: light dark}</style>\n"
"</head>\n"
"<body><h1>%s OAuth identify</h1>\n"
"<div style=\"background-color: red; color: white\">%s</div>\n"
"<form method=\"post\" action=\"%s:/" "/%s/%s\">\n"
"<p>Login: <input type=\"text\" name=\"login\"></p>\n"
"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
"<input type=\"submit\" value=\"OK\">\n"
"</form><p>%s</p></body></html>\n"
"";
int oauth_get_handler(const xs_dict *req, const char *q_path,
char **body, int *b_size, char **ctype)
{
(void)b_size;
if (!xs_startswith(q_path, "/oauth/"))
return 0;
int status = HTTP_STATUS_NOT_FOUND;
const xs_dict *msg = xs_dict_get(req, "q_vars");
xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
if (strcmp(cmd, "/authorize") == 0) { /** **/
const char *cid = xs_dict_get(msg, "client_id");
const char *ruri = xs_dict_get(msg, "redirect_uri");
const char *rtype = xs_dict_get(msg, "response_type");
const char *state = xs_dict_get(msg, "state");
status = HTTP_STATUS_BAD_REQUEST;
if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
xs *app = app_get(cid);
if (app != NULL) {
const char *host = xs_dict_get(srv_config, "host");
const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
if (xs_is_null(state))
state = "";
*body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
ruri, cid, state, USER_AGENT);
*ctype = "text/html";
status = HTTP_STATUS_OK;
srv_debug(1, xs_fmt("oauth authorize: generating login page"));
}
else
srv_debug(1, xs_fmt("oauth authorize: bad client_id %s", cid));
}
else
srv_debug(1, xs_fmt("oauth authorize: invalid or unset arguments"));
}
else
if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
const char *host = xs_dict_get(srv_config, "host");
const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
*body = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
"", "", "", USER_AGENT);
*ctype = "text/html";
status = HTTP_STATUS_OK;
}
return status;
}
int oauth_post_handler(const xs_dict *req, const char *q_path,
const char *payload, int p_size,
char **body, int *b_size, char **ctype)
{
(void)p_size;
(void)b_size;
if (!xs_startswith(q_path, "/oauth/"))
return 0;
int status = HTTP_STATUS_NOT_FOUND;
const char *i_ctype = xs_dict_get(req, "content-type");
xs *args = NULL;
if (i_ctype && xs_startswith(i_ctype, "application/json")) {
if (!xs_is_null(payload))
args = xs_json_loads(payload);
}
else
if (i_ctype && xs_startswith(i_ctype, "application/x-www-form-urlencoded") && payload) {
xs *upl = xs_url_dec(payload);
args = xs_url_vars(upl);
}
else
args = xs_dup(xs_dict_get(req, "p_vars"));
if (args == NULL)
return HTTP_STATUS_BAD_REQUEST;
xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
if (strcmp(cmd, "/x-snac-login") == 0) { /** **/
const char *login = xs_dict_get(args, "login");
const char *passwd = xs_dict_get(args, "passwd");
const char *redir = xs_dict_get(args, "redir");
const char *cid = xs_dict_get(args, "cid");
const char *state = xs_dict_get(args, "state");
const char *host = xs_dict_get(srv_config, "host");
const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
/* by default, generate another login form with an error */
*body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
redir, cid, state, USER_AGENT);
*ctype = "text/html";
status = HTTP_STATUS_OK;
if (login && passwd && redir && cid) {
snac snac;
if (user_open(&snac, login)) {
/* check the login + password */
if (check_password(login, passwd, xs_dict_get(snac.config, "passwd"))) {
/* success! redirect to the desired uri */
xs *code = random_str();
xs_free(*body);
if (strcmp(redir, "urn:ietf:wg:oauth:2.0:oob") == 0) {
*body = xs_dup(code);
}
else {
if (xs_str_in(redir, "?") != -1)
*body = xs_fmt("%s&code=%s", redir, code);
else
*body = xs_fmt("%s?code=%s", redir, code);
status = HTTP_STATUS_SEE_OTHER;
}
/* if there is a state, add it */
if (!xs_is_null(state) && *state) {
*body = xs_str_cat(*body, "&state=");
*body = xs_str_cat(*body, state);
}
srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
login, *body));
/* assign the login to the app */
xs *app = app_get(cid);
if (app != NULL) {
app = xs_dict_set(app, "uid", login);
app = xs_dict_set(app, "code", code);
app_add(cid, app);
}
else
srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
}
else
srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
user_free(&snac);
}
else
srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
}
else
srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
}
else
if (strcmp(cmd, "/token") == 0) { /** **/
xs *wrk = NULL;
const char *gtype = xs_dict_get(args, "grant_type");
const char *code = xs_dict_get(args, "code");
const char *cid = xs_dict_get(args, "client_id");
const char *csec = xs_dict_get(args, "client_secret");
const char *ruri = xs_dict_get(args, "redirect_uri");
const char *scope = xs_dict_get(args, "scope");
/* no client_secret? check if it's inside an authorization header
(AndStatus does it this way) */
if (xs_is_null(csec)) {
const char *auhdr = xs_dict_get(req, "authorization");
if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
xs *s1 = xs_replace_n(auhdr, "Basic ", "", 1);
int size;
xs *s2 = xs_base64_dec(s1, &size);
if (!xs_is_null(s2)) {
xs *l1 = xs_split(s2, ":");
if (xs_list_len(l1) == 2) {
wrk = xs_dup(xs_list_get(l1, 1));
csec = wrk;
}
}
}
}
/* no code?
I'm not sure of the impacts of this right now, but Subway Tooter does not
provide a code so one must be generated */
if (xs_is_null(code)){
code = random_str();
}
if (gtype && code && cid && csec && ruri) {
xs *app = app_get(cid);
if (app == NULL) {
status = HTTP_STATUS_UNAUTHORIZED;
srv_log(xs_fmt("oauth token: invalid app %s", cid));
}
else
if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
status = HTTP_STATUS_UNAUTHORIZED;
srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
}
else {
xs *rsp = xs_dict_new();
xs *cat = xs_number_new(time(NULL));
xs *tokid = random_str();
rsp = xs_dict_append(rsp, "access_token", tokid);
rsp = xs_dict_append(rsp, "token_type", "Bearer");
rsp = xs_dict_append(rsp, "created_at", cat);
if (!xs_is_null(scope))
rsp = xs_dict_append(rsp, "scope", scope);
*body = xs_json_dumps(rsp, 4);
*ctype = "application/json";
status = HTTP_STATUS_OK;
const char *uid = xs_dict_get(app, "uid");
srv_debug(1, xs_fmt("oauth token: "
"successful login for %s, new token %s", uid, tokid));
xs *token = xs_dict_new();
token = xs_dict_append(token, "token", tokid);
token = xs_dict_append(token, "client_id", cid);
token = xs_dict_append(token, "client_secret", csec);
token = xs_dict_append(token, "uid", uid);
token = xs_dict_append(token, "code", code);
token_add(tokid, token);
}
}
else {
srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
status = HTTP_STATUS_BAD_REQUEST;
}
}
else
if (strcmp(cmd, "/revoke") == 0) { /** **/
const char *cid = xs_dict_get(args, "client_id");
const char *csec = xs_dict_get(args, "client_secret");
const char *tokid = xs_dict_get(args, "token");
if (cid && csec && tokid) {
xs *token = token_get(tokid);
*body = xs_str_new("{}");
*ctype = "application/json";
if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
status = HTTP_STATUS_FORBIDDEN;
}
else {
token_del(tokid);
srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
status = HTTP_STATUS_OK;
/* also delete the app, as it serves no purpose from now on */
app_del(cid);
}
}
else {
srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
status = HTTP_STATUS_FORBIDDEN;
}
}
if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
const char *login = xs_dict_get(args, "login");
const char *passwd = xs_dict_get(args, "passwd");
const char *host = xs_dict_get(srv_config, "host");
const char *proto = xs_dict_get_def(srv_config, "protocol", "https");
/* by default, generate another login form with an error */
*body = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
"", "", "", USER_AGENT);
*ctype = "text/html";
status = HTTP_STATUS_OK;
if (login && passwd) {
snac user;
if (user_open(&user, login)) {
/* check the login + password */
if (check_password(login, passwd, xs_dict_get(user.config, "passwd"))) {
/* success! create a new token */
xs *tokid = random_str();
srv_debug(1, xs_fmt("x-snac-new-token: "
"successful login for %s, new token %s", login, tokid));
xs *token = xs_dict_new();
token = xs_dict_append(token, "token", tokid);
token = xs_dict_append(token, "client_id", "snac-client");
token = xs_dict_append(token, "client_secret", "");
token = xs_dict_append(token, "uid", login);
token = xs_dict_append(token, "code", "");
token_add(tokid, token);
*ctype = "text/plain";
xs_free(*body);
*body = xs_dup(tokid);
}
user_free(&user);
}
}
}
return status;
}
xs_str *mastoapi_id(const xs_dict *msg)
/* returns a somewhat Mastodon-compatible status id */
{
const char *id = xs_dict_get(msg, "id");
xs *md5 = xs_md5_hex(id, strlen(id));
return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
}
#define MID_TO_MD5(id) (id + 10)
xs_dict *mastoapi_account(const xs_dict *actor)
/* converts an ActivityPub actor to a Mastodon account */
{
const char *id = xs_dict_get(actor, "id");
const char *pub = xs_dict_get(actor, "published");
if (xs_type(id) != XSTYPE_STRING)
return NULL;
const char *prefu = xs_dict_get(actor, "preferredUsername");
const char *display_name = xs_dict_get(actor, "name");
if (xs_is_null(display_name) || *display_name == '\0')
display_name = prefu;
xs_dict *acct = xs_dict_new();
xs *acct_md5 = xs_md5_hex(id, strlen(id));
acct = xs_dict_append(acct, "id", acct_md5);
acct = xs_dict_append(acct, "username", prefu);
acct = xs_dict_append(acct, "display_name", display_name);
acct = xs_dict_append(acct, "discoverable", xs_stock(XSTYPE_TRUE));
acct = xs_dict_append(acct, "group", xs_stock(XSTYPE_FALSE));
acct = xs_dict_append(acct, "hide_collections", xs_stock(XSTYPE_FALSE));
acct = xs_dict_append(acct, "indexable", xs_stock(XSTYPE_TRUE));
acct = xs_dict_append(acct, "noindex", xs_stock(XSTYPE_FALSE));
acct = xs_dict_append(acct, "roles", xs_stock(XSTYPE_LIST));
{
/* create the acct field as user@host */
xs *l = xs_split(id, "/");
xs *fquid = xs_fmt("%s@%s", prefu, xs_list_get(l, 2));
acct = xs_dict_append(acct, "acct", fquid);
}
if (pub)
acct = xs_dict_append(acct, "created_at", pub);
else {
/* unset created_at crashes Tusky, so lie like a mf */
xs *date = xs_str_utctime(0, ISO_DATE_SPEC);
acct = xs_dict_append(acct, "created_at", date);
}
xs *last_status_at = xs_str_utctime(0, "%Y-%m-%d");
acct = xs_dict_append(acct, "last_status_at", last_status_at);
const char *note = xs_dict_get(actor, "summary");
if (xs_is_null(note))
note = "";
if (strcmp(xs_dict_get(actor, "type"), "Service") == 0)
acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_TRUE));
else
acct = xs_dict_append(acct, "bot", xs_stock(XSTYPE_FALSE));
acct = xs_dict_append(acct, "note", note);
acct = xs_dict_append(acct, "url", id);
acct = xs_dict_append(acct, "uri", id);
xs *avatar = NULL;
const xs_dict *av = xs_dict_get(actor, "icon");
if (xs_type(av) == XSTYPE_DICT) {
const char *url = xs_dict_get(av, "url");
if (url != NULL)
avatar = xs_dup(url);
}
if (avatar == NULL)
avatar = xs_fmt("%s/susie.png", srv_baseurl);
acct = xs_dict_append(acct, "avatar", avatar);
acct = xs_dict_append(acct, "avatar_static", avatar);
xs *header = NULL;
const xs_dict *hd = xs_dict_get(actor, "image");
if (xs_type(hd) == XSTYPE_DICT)
header = xs_dup(xs_dict_get(hd, "url"));
if (xs_is_null(header))
header = xs_str_new(NULL);
acct = xs_dict_append(acct, "header", header);
acct = xs_dict_append(acct, "header_static", header);
/* emojis */
const xs_list *p;
if (!xs_is_null(p = xs_dict_get(actor, "tag"))) {
xs *eml = xs_list_new();
const xs_dict *v;
int c = 0;
while (xs_list_next(p, &v, &c)) {
const char *type = xs_dict_get(v, "type");
if (!xs_is_null(type) && strcmp(type, "Emoji") == 0) {
const char *name = xs_dict_get(v, "name");
const xs_dict *icon = xs_dict_get(v, "icon");
if (!xs_is_null(name) && !xs_is_null(icon)) {
const char *url = xs_dict_get(icon, "url");
if (!xs_is_null(url)) {
xs *nm = xs_strip_chars_i(xs_dup(name), ":");
xs *d1 = xs_dict_new();
d1 = xs_dict_append(d1, "shortcode", nm);
d1 = xs_dict_append(d1, "url", url);
d1 = xs_dict_append(d1, "static_url", url);
d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
eml = xs_list_append(eml, d1);
}
}
}
}
acct = xs_dict_append(acct, "emojis", eml);
}
acct = xs_dict_append(acct, "locked", xs_stock(XSTYPE_FALSE));
acct = xs_dict_append(acct, "followers_count", xs_stock(0));
acct = xs_dict_append(acct, "following_count", xs_stock(0));
acct = xs_dict_append(acct, "statuses_count", xs_stock(0));
xs *fields = xs_list_new();
p = xs_dict_get(actor, "attachment");
const xs_dict *v;
/* dict of validated links */
xs_dict *val_links = NULL;
const xs_dict *metadata = xs_stock(XSTYPE_DICT);
snac user = {0};
if (xs_startswith(id, srv_baseurl)) {
/* if it's a local user, open it and pick its validated links */
if (user_open(&user, prefu)) {
val_links = user.links;
metadata = xs_dict_get_def(user.config, "metadata", xs_stock(XSTYPE_DICT));
}
}
if (xs_is_null(val_links))
val_links = xs_stock(XSTYPE_DICT);
int c = 0;
while (xs_list_next(p, &v, &c)) {
const char *type = xs_dict_get(v, "type");
const char *name = xs_dict_get(v, "name");
const char *value = xs_dict_get(v, "value");
if (!xs_is_null(type) && !xs_is_null(name) &&
!xs_is_null(value) && strcmp(type, "PropertyValue") == 0) {
xs *val_date = NULL;
const char *url = xs_dict_get(metadata, name);
if (!xs_is_null(url) && xs_startswith(url, "https:/" "/")) {
const xs_number *verified_time = xs_dict_get(val_links, url);
if (xs_type(verified_time) == XSTYPE_NUMBER) {
time_t t = xs_number_get(verified_time);
if (t > 0)
val_date = xs_str_utctime(t, ISO_DATE_SPEC);
}
}
xs *d = xs_dict_new();
d = xs_dict_append(d, "name", name);
d = xs_dict_append(d, "value", value);
d = xs_dict_append(d, "verified_at",
xs_type(val_date) == XSTYPE_STRING && *val_date ?
val_date : xs_stock(XSTYPE_NULL));
fields = xs_list_append(fields, d);
}
}
user_free(&user);
acct = xs_dict_append(acct, "fields", fields);
return acct;
}
xs_str *mastoapi_date(const char *date)
/* converts an ISO 8601 date to whatever format Mastodon uses */
{
xs_str *s = xs_crop_i(xs_dup(date), 0, 19);
s = xs_str_cat(s, ".000Z");
return s;
}
xs_dict *mastoapi_poll(snac *snac, const xs_dict *msg)
/* creates a mastoapi Poll object */
{
xs_dict *poll = xs_dict_new();
xs *mid = mastoapi_id(msg);
const xs_list *opts = NULL;
const xs_val *v;
int num_votes = 0;
xs *options = xs_list_new();
poll = xs_dict_append(poll, "id", mid);
const char *date = xs_dict_get(msg, "endTime");
if (date == NULL)
date = xs_dict_get(msg, "closed");
if (date == NULL)
return NULL;
xs *fd = mastoapi_date(date);
poll = xs_dict_append(poll, "expires_at", fd);
date = xs_dict_get(msg, "closed");
time_t t = 0;
if (date != NULL)
t = xs_parse_iso_date(date, 0);
poll = xs_dict_append(poll, "expired",
t < time(NULL) ? xs_stock(XSTYPE_FALSE) : xs_stock(XSTYPE_TRUE));
if ((opts = xs_dict_get(msg, "oneOf")) != NULL)
poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_FALSE));
else {
opts = xs_dict_get(msg, "anyOf");
poll = xs_dict_append(poll, "multiple", xs_stock(XSTYPE_TRUE));
}
int c = 0;
while (xs_list_next(opts, &v, &c)) {
const char *title = xs_dict_get(v, "name");
const char *replies = xs_dict_get(v, "replies");
if (title && replies) {
const char *votes_count = xs_dict_get(replies, "totalItems");
if (xs_type(votes_count) == XSTYPE_NUMBER) {
xs *d = xs_dict_new();
d = xs_dict_append(d, "title", title);
d = xs_dict_append(d, "votes_count", votes_count);
options = xs_list_append(options, d);
num_votes += xs_number_get(votes_count);
}
}
}
poll = xs_dict_append(poll, "options", options);
xs *vc = xs_number_new(num_votes);
poll = xs_dict_append(poll, "votes_count", vc);
poll = xs_dict_append(poll, "emojis", xs_stock(XSTYPE_LIST));
poll = xs_dict_append(poll, "voted",
(snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ?
xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
return poll;
}
xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
/* converts an ActivityPub note to a Mastodon status */
{
xs *actor = NULL;
actor_get_refresh(snac, get_atto(msg), &actor);
/* if the author is not here, discard */
if (actor == NULL)
return NULL;
const char *type = xs_dict_get(msg, "type");
const char *id = xs_dict_get(msg, "id");
/* fail if it's not a valid actor */
if (xs_is_null(type) || xs_is_null(id))
return NULL;
xs *acct = mastoapi_account(actor);
if (acct == NULL)
return NULL;
xs *idx = NULL;
xs *ixc = NULL;
const char *tmp;
xs *mid = mastoapi_id(msg);
xs_dict *st = xs_dict_new();
st = xs_dict_append(st, "id", mid);
st = xs_dict_append(st, "uri", id);
st = xs_dict_append(st, "url", id);
st = xs_dict_append(st, "account", acct);
xs *fd = mastoapi_date(xs_dict_get(msg, "published"));
st = xs_dict_append(st, "created_at", fd);
{
const char *content = xs_dict_get(msg, "content");
const char *name = xs_dict_get(msg, "name");
xs *s1 = NULL;
if (name && content)
s1 = xs_fmt("%s<br><br>%s", name, content);
else
if (name)
s1 = xs_dup(name);
else
if (content)
s1 = xs_dup(content);
else
s1 = xs_str_new(NULL);
st = xs_dict_append(st, "content", s1);
}
st = xs_dict_append(st, "visibility",
is_msg_public(msg) ? "public" : "private");
tmp = xs_dict_get(msg, "sensitive");
if (xs_is_null(tmp))
tmp = xs_stock(XSTYPE_FALSE);
st = xs_dict_append(st, "sensitive", tmp);
tmp = xs_dict_get(msg, "summary");
if (xs_is_null(tmp))
tmp = "";
st = xs_dict_append(st, "spoiler_text", tmp);
/* create the list of attachments */
xs *attach = get_attachments(msg);
{
xs_list *p = attach;
const xs_dict *v;
xs *matt = xs_list_new();
while (xs_list_iter(&p, &v)) {
const char *type = xs_dict_get(v, "type");
const char *href = xs_dict_get(v, "href");
const char *name = xs_dict_get(v, "name");
if (xs_match(type, "image/*|video/*|Image|Video")) { /* */
xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
xs *d = xs_dict_new();
d = xs_dict_append(d, "id", matteid);
d = xs_dict_append(d, "url", href);
d = xs_dict_append(d, "preview_url", href);
d = xs_dict_append(d, "remote_url", href);
d = xs_dict_append(d, "description", name);
d = xs_dict_append(d, "type", (*type == 'v' || *type == 'V') ? "video" : "image");
matt = xs_list_append(matt, d);
}
}
st = xs_dict_append(st, "media_attachments", matt);
}
{
xs *ml = xs_list_new();
xs *htl = xs_list_new();
xs *eml = xs_list_new();
const xs_list *tag = xs_dict_get(msg, "tag");
int n = 0;
xs *tag_list = NULL;
if (xs_type(tag) == XSTYPE_DICT) {
tag_list = xs_list_new();
tag_list = xs_list_append(tag_list, tag);
}
else
if (xs_type(tag) == XSTYPE_LIST)
tag_list = xs_dup(tag);
else
tag_list = xs_list_new();
tag = tag_list;
const xs_dict *v;
int c = 0;
while (xs_list_next(tag, &v, &c)) {
const char *type = xs_dict_get(v, "type");
if (xs_is_null(type))
continue;
xs *d1 = xs_dict_new();
if (strcmp(type, "Mention") == 0) {
const char *name = xs_dict_get(v, "name");
const char *href = xs_dict_get(v, "href");
if (!xs_is_null(name) && !xs_is_null(href) &&
(snac == NULL || strcmp(href, snac->actor) != 0)) {
xs *nm = xs_strip_chars_i(xs_dup(name), "@");
xs *id = xs_fmt("%d", n++);
d1 = xs_dict_append(d1, "id", id);
d1 = xs_dict_append(d1, "username", nm);
d1 = xs_dict_append(d1, "acct", nm);
d1 = xs_dict_append(d1, "url", href);
ml = xs_list_append(ml, d1);
}
}
else
if (strcmp(type, "Hashtag") == 0) {
const char *name = xs_dict_get(v, "name");
const char *href = xs_dict_get(v, "href");
if (!xs_is_null(name) && !xs_is_null(href)) {
xs *nm = xs_strip_chars_i(xs_dup(name), "#");
d1 = xs_dict_append(d1, "name", nm);
d1 = xs_dict_append(d1, "url", href);
htl = xs_list_append(htl, d1);
}
}
else
if (strcmp(type, "Emoji") == 0) {
const char *name = xs_dict_get(v, "name");
const xs_dict *icon = xs_dict_get(v, "icon");
if (!xs_is_null(name) && !xs_is_null(icon)) {
const char *url = xs_dict_get(icon, "url");
if (!xs_is_null(url)) {
xs *nm = xs_strip_chars_i(xs_dup(name), ":");
d1 = xs_dict_append(d1, "shortcode", nm);
d1 = xs_dict_append(d1, "url", url);
d1 = xs_dict_append(d1, "static_url", url);
d1 = xs_dict_append(d1, "visible_in_picker", xs_stock(XSTYPE_TRUE));
d1 = xs_dict_append(d1, "category", "Emojis");
eml = xs_list_append(eml, d1);
}
}
}
}
st = xs_dict_append(st, "mentions", ml);
st = xs_dict_append(st, "tags", htl);
st = xs_dict_append(st, "emojis", eml);
}
xs_free(idx);
xs_free(ixc);
idx = object_likes(id);
ixc = xs_number_new(xs_list_len(idx));
st = xs_dict_append(st, "favourites_count", ixc);
st = xs_dict_append(st, "favourited",
(snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));
xs_free(idx);
xs_free(ixc);
idx = object_announces(id);
ixc = xs_number_new(xs_list_len(idx));
st = xs_dict_append(st, "reblogs_count", ixc);
st = xs_dict_append(st, "reblogged",
(snac && xs_list_in(idx, snac->md5) != -1) ? xs_stock(XSTYPE_TRUE) : xs_stock(XSTYPE_FALSE));