mirror of
https://codeberg.org/grunfink/snac2.git
synced 2024-11-09 19:50:26 +03:00
1232 lines
38 KiB
C
1232 lines
38 KiB
C
/* snac - A simple, minimalistic ActivityPub instance */
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/* copyright (c) 2022 - 2023 grunfink / MIT license */
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#include "xs.h"
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#include "xs_encdec.h"
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#include "xs_openssl.h"
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#include "xs_json.h"
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#include "xs_io.h"
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#include "xs_time.h"
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#include "snac.h"
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static xs_str *random_str(void)
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/* just what is says in the tin */
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{
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unsigned int data[4] = {0};
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FILE *f;
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if ((f = fopen("/dev/random", "r")) != NULL) {
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fread(data, sizeof(data), 1, f);
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fclose(f);
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}
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else {
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data[0] = random() % 0xffffffff;
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data[1] = random() % 0xffffffff;
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data[2] = random() % 0xffffffff;
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data[3] = random() % 0xffffffff;
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}
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return xs_hex_enc((char *)data, sizeof(data));
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}
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int app_add(const char *id, const xs_dict *app)
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/* stores an app */
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{
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if (!xs_is_hex(id))
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return 500;
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int status = 201;
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xs *fn = xs_fmt("%s/app/", srv_basedir);
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FILE *f;
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mkdirx(fn);
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fn = xs_str_cat(fn, id);
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fn = xs_str_cat(fn, ".json");
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if ((f = fopen(fn, "w")) != NULL) {
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xs *j = xs_json_dumps_pp(app, 4);
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fwrite(j, strlen(j), 1, f);
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fclose(f);
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}
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else
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status = 500;
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return status;
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}
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xs_dict *app_get(const char *id)
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/* gets an app */
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{
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if (!xs_is_hex(id))
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return NULL;
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xs *fn = xs_fmt("%s/app/%s.json", srv_basedir, id);
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xs_dict *app = NULL;
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FILE *f;
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if ((f = fopen(fn, "r")) != NULL) {
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xs *j = xs_readall(f);
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fclose(f);
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app = xs_json_loads(j);
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}
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return app;
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}
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int app_del(const char *id)
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/* deletes an app */
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{
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if (!xs_is_hex(id))
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return -1;
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xs *fn = xs_fmt("%s/app/%s.json", srv_basedir, id);
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return unlink(fn);
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}
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int token_add(const char *id, const xs_dict *token)
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/* stores a token */
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{
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if (!xs_is_hex(id))
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return 500;
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int status = 201;
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xs *fn = xs_fmt("%s/token/", srv_basedir);
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FILE *f;
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mkdirx(fn);
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fn = xs_str_cat(fn, id);
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fn = xs_str_cat(fn, ".json");
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if ((f = fopen(fn, "w")) != NULL) {
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xs *j = xs_json_dumps_pp(token, 4);
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fwrite(j, strlen(j), 1, f);
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fclose(f);
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}
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else
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status = 500;
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return status;
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}
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xs_dict *token_get(const char *id)
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/* gets a token */
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{
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if (!xs_is_hex(id))
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return NULL;
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xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
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xs_dict *token = NULL;
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FILE *f;
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if ((f = fopen(fn, "r")) != NULL) {
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xs *j = xs_readall(f);
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fclose(f);
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token = xs_json_loads(j);
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}
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return token;
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}
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int token_del(const char *id)
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/* deletes a token */
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{
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if (!xs_is_hex(id))
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return -1;
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xs *fn = xs_fmt("%s/token/%s.json", srv_basedir, id);
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return unlink(fn);
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}
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const char *login_page = ""
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"<!DOCTYPE html>\n"
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"<body><h1>%s OAuth identify</h1>\n"
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"<div style=\"background-color: red; color: white\">%s</div>\n"
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"<form method=\"post\" action=\"https:/" "/%s/oauth/x-snac-login\">\n"
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"<p>Login: <input type=\"text\" name=\"login\"></p>\n"
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"<p>Password: <input type=\"password\" name=\"passwd\"></p>\n"
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"<input type=\"hidden\" name=\"redir\" value=\"%s\">\n"
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"<input type=\"hidden\" name=\"cid\" value=\"%s\">\n"
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"<input type=\"hidden\" name=\"state\" value=\"%s\">\n"
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"<input type=\"submit\" value=\"OK\">\n"
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"</form><p>%s</p></body>\n"
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"";
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int oauth_get_handler(const xs_dict *req, const char *q_path,
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char **body, int *b_size, char **ctype)
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{
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if (!xs_startswith(q_path, "/oauth/"))
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return 0;
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/* {
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xs *j = xs_json_dumps_pp(req, 4);
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printf("oauth get:\n%s\n", j);
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}*/
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int status = 404;
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xs_dict *msg = xs_dict_get(req, "q_vars");
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xs *cmd = xs_replace(q_path, "/oauth", "");
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srv_debug(1, xs_fmt("oauth_get_handler %s", q_path));
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if (strcmp(cmd, "/authorize") == 0) {
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const char *cid = xs_dict_get(msg, "client_id");
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const char *ruri = xs_dict_get(msg, "redirect_uri");
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const char *rtype = xs_dict_get(msg, "response_type");
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const char *state = xs_dict_get(msg, "state");
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status = 400;
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if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
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xs *app = app_get(cid);
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if (app != NULL) {
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const char *host = xs_dict_get(srv_config, "host");
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if (xs_is_null(state))
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state = "";
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*body = xs_fmt(login_page, host, "", host, ruri, cid, state, USER_AGENT);
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*ctype = "text/html";
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status = 200;
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srv_debug(0, xs_fmt("oauth authorize: generating login page"));
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}
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else
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srv_debug(0, xs_fmt("oauth authorize: bad client_id %s", cid));
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}
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else
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srv_debug(0, xs_fmt("oauth authorize: invalid or unset arguments"));
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}
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return status;
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}
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int oauth_post_handler(const xs_dict *req, const char *q_path,
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const char *payload, int p_size,
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char **body, int *b_size, char **ctype)
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{
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if (!xs_startswith(q_path, "/oauth/"))
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return 0;
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/* {
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xs *j = xs_json_dumps_pp(req, 4);
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printf("oauth post:\n%s\n", j);
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}*/
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int status = 404;
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xs_dict *msg = xs_dict_get(req, "p_vars");
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xs *cmd = xs_replace(q_path, "/oauth", "");
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srv_debug(1, xs_fmt("oauth_post_handler %s", q_path));
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if (strcmp(cmd, "/x-snac-login") == 0) {
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const char *login = xs_dict_get(msg, "login");
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const char *passwd = xs_dict_get(msg, "passwd");
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const char *redir = xs_dict_get(msg, "redir");
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const char *cid = xs_dict_get(msg, "cid");
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const char *state = xs_dict_get(msg, "state");
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const char *host = xs_dict_get(srv_config, "host");
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/* by default, generate another login form with an error */
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*body = xs_fmt(login_page, host, "LOGIN INCORRECT", host, redir, cid, state, USER_AGENT);
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*ctype = "text/html";
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status = 200;
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if (login && passwd && redir && cid) {
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snac snac;
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if (user_open(&snac, login)) {
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/* check the login + password */
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if (check_password(login, passwd,
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xs_dict_get(snac.config, "passwd"))) {
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/* success! redirect to the desired uri */
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xs *code = random_str();
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xs_free(*body);
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*body = xs_fmt("%s?code=%s", redir, code);
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status = 303;
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/* if there is a state, add it */
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if (!xs_is_null(state) && *state) {
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*body = xs_str_cat(*body, "&state=");
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*body = xs_str_cat(*body, state);
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}
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srv_log(xs_fmt("oauth x-snac-login: '%s' success, redirect to %s",
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login, *body));
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/* assign the login to the app */
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xs *app = app_get(cid);
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if (app != NULL) {
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app = xs_dict_set(app, "uid", login);
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app = xs_dict_set(app, "code", code);
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app_add(cid, app);
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}
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else
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srv_log(xs_fmt("oauth x-snac-login: error getting app %s", cid));
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}
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else
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srv_debug(1, xs_fmt("oauth x-snac-login: login '%s' incorrect", login));
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user_free(&snac);
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}
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else
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srv_debug(1, xs_fmt("oauth x-snac-login: bad user '%s'", login));
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}
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else
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srv_debug(1, xs_fmt("oauth x-snac-login: invalid or unset arguments"));
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}
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else
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if (strcmp(cmd, "/token") == 0) {
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const char *gtype = xs_dict_get(msg, "grant_type");
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const char *code = xs_dict_get(msg, "code");
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const char *cid = xs_dict_get(msg, "client_id");
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const char *csec = xs_dict_get(msg, "client_secret");
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const char *ruri = xs_dict_get(msg, "redirect_uri");
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xs *wrk = NULL;
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/* no client_secret? check if it's inside an authorization header
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(AndStatus does it this way) */
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if (xs_is_null(csec)) {
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const char *auhdr = xs_dict_get(req, "authorization");
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if (!xs_is_null(auhdr) && xs_startswith(auhdr, "Basic ")) {
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xs *s1 = xs_replace(auhdr, "Basic ", "");
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int size;
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xs *s2 = xs_base64_dec(s1, &size);
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if (!xs_is_null(s2)) {
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xs *l1 = xs_split(s2, ":");
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if (xs_list_len(l1) == 2) {
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wrk = xs_dup(xs_list_get(l1, 1));
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csec = wrk;
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}
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}
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}
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}
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if (gtype && code && cid && csec && ruri) {
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xs *app = app_get(cid);
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if (app == NULL) {
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status = 401;
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srv_log(xs_fmt("oauth token: invalid app %s", cid));
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}
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else
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if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
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status = 401;
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srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
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}
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else {
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xs *rsp = xs_dict_new();
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xs *cat = xs_number_new(time(NULL));
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xs *tokid = random_str();
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rsp = xs_dict_append(rsp, "access_token", tokid);
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rsp = xs_dict_append(rsp, "token_type", "Bearer");
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rsp = xs_dict_append(rsp, "created_at", cat);
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*body = xs_json_dumps_pp(rsp, 4);
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*ctype = "application/json";
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status = 200;
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const char *uid = xs_dict_get(app, "uid");
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srv_debug(0, xs_fmt("oauth token: "
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"successful login for %s, new token %s", uid, tokid));
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xs *token = xs_dict_new();
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token = xs_dict_append(token, "token", tokid);
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token = xs_dict_append(token, "client_id", cid);
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token = xs_dict_append(token, "client_secret", csec);
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token = xs_dict_append(token, "uid", uid);
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token = xs_dict_append(token, "code", code);
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token_add(tokid, token);
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}
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}
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else {
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srv_debug(0, xs_fmt("oauth token: invalid or unset arguments"));
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status = 400;
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}
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}
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else
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if (strcmp(cmd, "/revoke") == 0) {
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const char *cid = xs_dict_get(msg, "client_id");
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const char *csec = xs_dict_get(msg, "client_secret");
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const char *tokid = xs_dict_get(msg, "token");
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if (cid && csec && tokid) {
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xs *token = token_get(tokid);
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*body = xs_str_new("{}");
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*ctype = "application/json";
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if (token == NULL || strcmp(csec, xs_dict_get(token, "client_secret")) != 0) {
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srv_debug(1, xs_fmt("oauth revoke: bad secret for token %s", tokid));
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status = 403;
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}
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else {
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token_del(tokid);
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srv_debug(0, xs_fmt("oauth revoke: revoked token %s", tokid));
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status = 200;
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/* also delete the app, as it serves no purpose from now on */
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app_del(cid);
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}
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}
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else {
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srv_debug(0, xs_fmt("oauth revoke: invalid or unset arguments"));
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status = 403;
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}
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}
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return status;
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}
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xs_str *mastoapi_id(const xs_dict *msg)
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/* returns a somewhat Mastodon-compatible status id */
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{
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const char *id = xs_dict_get(msg, "id");
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xs *md5 = xs_md5_hex(id, strlen(id));
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return xs_fmt("%10.0f%s", object_ctime_by_md5(md5), md5);
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}
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#define MID_TO_MD5(id) (id + 10)
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xs_dict *mastoapi_account(const xs_dict *actor)
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/* converts an ActivityPub actor to a Mastodon account */
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{
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xs_dict *acct = xs_dict_new();
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const char *display_name = xs_dict_get(actor, "name");
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if (xs_is_null(display_name) || *display_name == '\0')
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display_name = xs_dict_get(actor, "preferredUsername");
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const char *id = xs_dict_get(actor, "id");
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const char *pub = xs_dict_get(actor, "published");
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xs *acct_md5 = xs_md5_hex(id, strlen(id));
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acct = xs_dict_append(acct, "id", acct_md5);
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acct = xs_dict_append(acct, "username", xs_dict_get(actor, "preferredUsername"));
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acct = xs_dict_append(acct, "acct", xs_dict_get(actor, "preferredUsername"));
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acct = xs_dict_append(acct, "display_name", display_name);
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if (pub)
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acct = xs_dict_append(acct, "created_at", pub);
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acct = xs_dict_append(acct, "note", xs_dict_get(actor, "summary"));
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acct = xs_dict_append(acct, "url", id);
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xs *avatar = NULL;
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xs_dict *av = xs_dict_get(actor, "icon");
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if (xs_type(av) == XSTYPE_DICT)
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avatar = xs_dup(xs_dict_get(av, "url"));
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else
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avatar = xs_fmt("%s/susie.png", srv_baseurl);
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acct = xs_dict_append(acct, "avatar", avatar);
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return acct;
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}
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xs_dict *mastoapi_status(snac *snac, const xs_dict *msg)
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/* converts an ActivityPub note to a Mastodon status */
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{
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xs *actor = NULL;
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actor_get(snac, xs_dict_get(msg, "attributedTo"), &actor);
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/* if the author is not here, discard */
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if (actor == NULL)
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return NULL;
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xs *acct = mastoapi_account(actor);
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/** shave the yak converting an ActivityPub Note to a Mastodon status **/
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xs *f = xs_val_new(XSTYPE_FALSE);
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xs *t = xs_val_new(XSTYPE_TRUE);
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xs *n = xs_val_new(XSTYPE_NULL);
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xs *el = xs_list_new();
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xs *idx = NULL;
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xs *ixc = NULL;
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char *tmp;
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char *id = xs_dict_get(msg, "id");
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xs *mid = mastoapi_id(msg);
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xs_dict *st = xs_dict_new();
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st = xs_dict_append(st, "id", mid);
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st = xs_dict_append(st, "uri", id);
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st = xs_dict_append(st, "url", id);
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st = xs_dict_append(st, "created_at", xs_dict_get(msg, "published"));
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st = xs_dict_append(st, "account", acct);
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st = xs_dict_append(st, "content", xs_dict_get(msg, "content"));
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st = xs_dict_append(st, "visibility",
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is_msg_public(snac, msg) ? "public" : "private");
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tmp = xs_dict_get(msg, "sensitive");
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if (xs_is_null(tmp))
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tmp = f;
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st = xs_dict_append(st, "sensitive", tmp);
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tmp = xs_dict_get(msg, "summary");
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if (xs_is_null(tmp))
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tmp = "";
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st = xs_dict_append(st, "spoiler_text", tmp);
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/* create the list of attachments */
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xs *matt = xs_list_new();
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xs_list *att = xs_dict_get(msg, "attachment");
|
|
xs_str *aobj;
|
|
|
|
while (xs_list_iter(&att, &aobj)) {
|
|
const char *mtype = xs_dict_get(aobj, "mediaType");
|
|
|
|
if (!xs_is_null(mtype) && xs_startswith(mtype, "image/")) {
|
|
xs *matteid = xs_fmt("%s_%d", id, xs_list_len(matt));
|
|
xs *matte = xs_dict_new();
|
|
|
|
matte = xs_dict_append(matte, "id", matteid);
|
|
matte = xs_dict_append(matte, "type", "image");
|
|
matte = xs_dict_append(matte, "url", xs_dict_get(aobj, "url"));
|
|
matte = xs_dict_append(matte, "preview_url", xs_dict_get(aobj, "url"));
|
|
matte = xs_dict_append(matte, "remote_url", xs_dict_get(aobj, "url"));
|
|
|
|
const char *name = xs_dict_get(aobj, "name");
|
|
if (xs_is_null(name))
|
|
name = "";
|
|
|
|
matte = xs_dict_append(matte, "description", name);
|
|
|
|
matt = xs_list_append(matt, matte);
|
|
}
|
|
}
|
|
|
|
st = xs_dict_append(st, "media_attachments", matt);
|
|
|
|
st = xs_dict_append(st, "mentions", el);
|
|
st = xs_dict_append(st, "tags", el);
|
|
st = xs_dict_append(st, "emojis", el);
|
|
|
|
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",
|
|
xs_list_in(idx, snac->md5) != -1 ? t : f);
|
|
|
|
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",
|
|
xs_list_in(idx, snac->md5) != -1 ? t : f);
|
|
|
|
xs_free(idx);
|
|
xs_free(ixc);
|
|
idx = object_children(id);
|
|
ixc = xs_number_new(xs_list_len(idx));
|
|
|
|
st = xs_dict_append(st, "replies_count", ixc);
|
|
|
|
/* default in_reply_to values */
|
|
st = xs_dict_append(st, "in_reply_to_id", n);
|
|
st = xs_dict_append(st, "in_reply_to_account_id", n);
|
|
|
|
tmp = xs_dict_get(msg, "inReplyTo");
|
|
if (!xs_is_null(tmp)) {
|
|
xs *irto = NULL;
|
|
|
|
if (valid_status(object_get(tmp, &irto))) {
|
|
xs *irt_mid = mastoapi_id(irto);
|
|
st = xs_dict_set(st, "in_reply_to_id", irt_mid);
|
|
|
|
char *at = NULL;
|
|
if (!xs_is_null(at = xs_dict_get(irto, "attributedTo"))) {
|
|
xs *at_md5 = xs_md5_hex(at, strlen(at));
|
|
st = xs_dict_set(st, "in_reply_to_account_id", at_md5);
|
|
}
|
|
}
|
|
}
|
|
|
|
st = xs_dict_append(st, "reblog", n);
|
|
st = xs_dict_append(st, "poll", n);
|
|
st = xs_dict_append(st, "card", n);
|
|
st = xs_dict_append(st, "language", n);
|
|
|
|
tmp = xs_dict_get(msg, "sourceContent");
|
|
if (xs_is_null(tmp))
|
|
tmp = "";
|
|
|
|
st = xs_dict_append(st, "text", tmp);
|
|
|
|
tmp = xs_dict_get(msg, "updated");
|
|
if (xs_is_null(tmp))
|
|
tmp = n;
|
|
|
|
st = xs_dict_append(st, "edited_at", tmp);
|
|
|
|
return st;
|
|
}
|
|
|
|
|
|
int process_auth_token(snac *snac, const xs_dict *req)
|
|
/* processes an authorization token, if there is one */
|
|
{
|
|
int logged_in = 0;
|
|
char *v;
|
|
|
|
/* if there is an authorization field, try to validate it */
|
|
if (!xs_is_null(v = xs_dict_get(req, "authorization")) && xs_startswith(v, "Bearer ")) {
|
|
xs *tokid = xs_replace(v, "Bearer ", "");
|
|
xs *token = token_get(tokid);
|
|
|
|
if (token != NULL) {
|
|
const char *uid = xs_dict_get(token, "uid");
|
|
|
|
if (!xs_is_null(uid) && user_open(snac, uid)) {
|
|
logged_in = 1;
|
|
srv_debug(2, xs_fmt("mastoapi auth: valid token for user %s", uid));
|
|
}
|
|
else
|
|
srv_log(xs_fmt("mastoapi auth: corrupted token %s", tokid));
|
|
}
|
|
else
|
|
srv_log(xs_fmt("mastoapi auth: invalid token %s", tokid));
|
|
}
|
|
|
|
return logged_in;
|
|
}
|
|
|
|
|
|
int mastoapi_get_handler(const xs_dict *req, const char *q_path,
|
|
char **body, int *b_size, char **ctype)
|
|
{
|
|
if (!xs_startswith(q_path, "/api/v1/"))
|
|
return 0;
|
|
|
|
srv_debug(1, xs_fmt("mastoapi_get_handler %s", q_path));
|
|
/* {
|
|
xs *j = xs_json_dumps_pp(req, 4);
|
|
printf("mastoapi get:\n%s\n", j);
|
|
}*/
|
|
|
|
int status = 404;
|
|
xs_dict *args = xs_dict_get(req, "q_vars");
|
|
xs *cmd = xs_replace(q_path, "/api/v1", "");
|
|
|
|
snac snac1 = {0};
|
|
int logged_in = process_auth_token(&snac1, req);
|
|
|
|
if (strcmp(cmd, "/accounts/verify_credentials") == 0) {
|
|
if (logged_in) {
|
|
xs *acct = xs_dict_new();
|
|
|
|
acct = xs_dict_append(acct, "id", xs_dict_get(snac1.config, "uid"));
|
|
acct = xs_dict_append(acct, "username", xs_dict_get(snac1.config, "uid"));
|
|
acct = xs_dict_append(acct, "acct", xs_dict_get(snac1.config, "uid"));
|
|
acct = xs_dict_append(acct, "display_name", xs_dict_get(snac1.config, "name"));
|
|
acct = xs_dict_append(acct, "created_at", xs_dict_get(snac1.config, "published"));
|
|
acct = xs_dict_append(acct, "note", xs_dict_get(snac1.config, "bio"));
|
|
acct = xs_dict_append(acct, "url", snac1.actor);
|
|
|
|
xs *avatar = NULL;
|
|
char *av = xs_dict_get(snac1.config, "avatar");
|
|
|
|
if (xs_is_null(av) || *av == '\0')
|
|
avatar = xs_fmt("%s/susie.png", srv_baseurl);
|
|
else
|
|
avatar = xs_dup(av);
|
|
|
|
acct = xs_dict_append(acct, "avatar", avatar);
|
|
|
|
*body = xs_json_dumps_pp(acct, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else {
|
|
status = 422; // "Unprocessable entity" (no login)
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/accounts/relationships") == 0) {
|
|
/* find if an account is followed, blocked, etc. */
|
|
/* the account to get relationships about is in args "id[]" */
|
|
/* dummy by now */
|
|
if (logged_in) {
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
}
|
|
else
|
|
if (xs_startswith(cmd, "/accounts/")) {
|
|
/* account-related information */
|
|
xs *l = xs_split(cmd, "/");
|
|
const char *uid = xs_list_get(l, 2);
|
|
const char *opt = xs_list_get(l, 3);
|
|
|
|
if (uid != NULL) {
|
|
snac snac2;
|
|
xs *out = NULL;
|
|
xs *actor = NULL;
|
|
|
|
/* is it a local user? */
|
|
if (user_open(&snac2, uid)) {
|
|
if (opt == NULL) {
|
|
/* account information */
|
|
actor = msg_actor(&snac2);
|
|
out = mastoapi_account(actor);
|
|
}
|
|
else
|
|
if (strcmp(opt, "statuses") == 0) {
|
|
/* the public list of posts of a user */
|
|
xs *timeline = timeline_simple_list(&snac2, "public", 0, 256);
|
|
xs_list *p = timeline;
|
|
xs_str *v;
|
|
|
|
out = xs_list_new();
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *msg = NULL;
|
|
|
|
if (valid_status(timeline_get_by_md5(&snac2, v, &msg))) {
|
|
/* add only posts by the author */
|
|
if (strcmp(xs_dict_get(msg, "type"), "Note") == 0 &&
|
|
xs_startswith(xs_dict_get(msg, "id"), snac2.actor)) {
|
|
xs *st = mastoapi_status(&snac2, msg);
|
|
|
|
out = xs_list_append(out, st);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
user_free(&snac2);
|
|
}
|
|
else {
|
|
/* try the uid as the md5 of a possibly loaded actor */
|
|
if (logged_in && valid_status(object_get_by_md5(uid, &actor))) {
|
|
if (opt == NULL) {
|
|
/* account information */
|
|
out = mastoapi_account(actor);
|
|
}
|
|
else
|
|
if (strcmp(opt, "statuses") == 0) {
|
|
/* we don't serve statuses of others; return the empty list */
|
|
out = xs_list_new();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (out != NULL) {
|
|
*body = xs_json_dumps_pp(out, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/timelines/home") == 0) {
|
|
/* the private timeline */
|
|
if (logged_in) {
|
|
const char *max_id = xs_dict_get(args, "max_id");
|
|
const char *since_id = xs_dict_get(args, "since_id");
|
|
const char *min_id = xs_dict_get(args, "min_id");
|
|
const char *limit_s = xs_dict_get(args, "limit");
|
|
int limit = 0;
|
|
int cnt = 0;
|
|
|
|
if (!xs_is_null(limit_s))
|
|
limit = atoi(limit_s);
|
|
|
|
if (limit == 0)
|
|
limit = 20;
|
|
|
|
xs *timeline = timeline_simple_list(&snac1, "private", 0, XS_ALL);
|
|
|
|
xs *out = xs_list_new();
|
|
xs_list *p = timeline;
|
|
xs_str *v;
|
|
|
|
while (xs_list_iter(&p, &v) && cnt < limit) {
|
|
xs *msg = NULL;
|
|
|
|
/* only return entries older that max_id */
|
|
if (max_id) {
|
|
if (strcmp(v, max_id) == 0)
|
|
max_id = NULL;
|
|
|
|
continue;
|
|
}
|
|
|
|
/* only returns entries newer than since_id */
|
|
if (since_id) {
|
|
if (strcmp(v, since_id) == 0)
|
|
break;
|
|
}
|
|
|
|
/* only returns entries newer than min_id */
|
|
/* what does really "Return results immediately newer than ID" mean? */
|
|
if (min_id) {
|
|
if (strcmp(v, min_id) == 0)
|
|
break;
|
|
}
|
|
|
|
/* get the entry */
|
|
if (!valid_status(timeline_get_by_md5(&snac1, v, &msg)))
|
|
continue;
|
|
|
|
/* discard non-Notes */
|
|
if (strcmp(xs_dict_get(msg, "type"), "Note") != 0)
|
|
continue;
|
|
|
|
/* convert the Note into a Mastodon status */
|
|
xs *st = mastoapi_status(&snac1, msg);
|
|
|
|
if (st != NULL)
|
|
out = xs_list_append(out, st);
|
|
|
|
cnt++;
|
|
}
|
|
|
|
*body = xs_json_dumps_pp(out, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
|
|
{
|
|
xs *j = xs_json_loads(*body);
|
|
if (j == NULL) {
|
|
srv_log(xs_fmt("mastoapi timeline: bad JSON"));
|
|
srv_archive_error("mastoapi_timeline", "bad JSON", req, *body);
|
|
}
|
|
}
|
|
|
|
srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
|
|
}
|
|
else {
|
|
status = 401; // unauthorized
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/timelines/public") == 0) {
|
|
/* the public timeline (public timelines for all users) */
|
|
/* TBD */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/conversations") == 0) {
|
|
/* TBD */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/notifications") == 0) {
|
|
/* TBD */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/filters") == 0) {
|
|
/* snac will never have filters */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/favourites") == 0) {
|
|
/* snac will never support a list of favourites */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/bookmarks") == 0) {
|
|
/* snac does not support bookmarks */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/lists") == 0) {
|
|
/* snac does not support lists */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/scheduled_statuses") == 0) {
|
|
/* snac does not scheduled notes */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/follow_requests") == 0) {
|
|
/* snac does not support optional follow confirmations */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/announcements") == 0) {
|
|
/* snac has no announcements (yet?) */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/custom_emojis") == 0) {
|
|
/* are you kidding me? */
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/instance") == 0) {
|
|
/* returns an instance object */
|
|
xs *ins = xs_dict_new();
|
|
const char *host = xs_dict_get(srv_config, "host");
|
|
|
|
ins = xs_dict_append(ins, "domain", host);
|
|
ins = xs_dict_append(ins, "title", host);
|
|
ins = xs_dict_append(ins, "version", "4.0.0 (not true; really " USER_AGENT ")");
|
|
ins = xs_dict_append(ins, "source_url", "https:/" "/comam.es/what-is-snac");
|
|
ins = xs_dict_append(ins, "description", host);
|
|
|
|
xs *susie = xs_fmt("%s/susie.png", srv_baseurl);
|
|
xs *d1 = xs_dict_new();
|
|
d1 = xs_dict_append(d1, "url", susie);
|
|
ins = xs_dict_append(ins, "thumbnail", d1);
|
|
|
|
xs *d2 = xs_dict_new();
|
|
d2 = xs_dict_append(d2, "email", "admin@localhost");
|
|
ins = xs_dict_append(ins, "contact", d2);
|
|
|
|
xs *l1 = xs_list_new();
|
|
ins = xs_dict_append(ins, "rules", l1);
|
|
ins = xs_dict_append(ins, "languages", l1);
|
|
|
|
*body = xs_json_dumps_pp(ins, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
else
|
|
if (xs_startswith(cmd, "/statuses/")) {
|
|
/* operations on a status */
|
|
xs *l = xs_split(cmd, "/");
|
|
const char *id = xs_list_get(l, 2);
|
|
const char *op = xs_list_get(l, 3);
|
|
|
|
if (!xs_is_null(id)) {
|
|
xs *msg = NULL;
|
|
xs *out = NULL;
|
|
|
|
/* skip the 'fake' part of the id */
|
|
id = MID_TO_MD5(id);
|
|
|
|
if (valid_status(timeline_get_by_md5(&snac1, id, &msg))) {
|
|
if (op == NULL) {
|
|
/* return the status itself */
|
|
out = mastoapi_status(&snac1, msg);
|
|
}
|
|
else
|
|
if (strcmp(op, "context") == 0) {
|
|
/* return ancestors and children */
|
|
xs *anc = xs_list_new();
|
|
xs *des = xs_list_new();
|
|
xs_list *p;
|
|
xs_str *v;
|
|
char pid[64];
|
|
|
|
/* build the [grand]parent list, moving up */
|
|
strcpy(pid, id);
|
|
|
|
while (object_parent(pid, pid, sizeof(pid))) {
|
|
xs *m2 = NULL;
|
|
|
|
if (valid_status(timeline_get_by_md5(&snac1, pid, &m2))) {
|
|
xs *st = mastoapi_status(&snac1, m2);
|
|
anc = xs_list_append(anc, st);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
/* build the children list */
|
|
xs *children = object_children(xs_dict_get(msg, "id"));
|
|
p = children;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *m2 = NULL;
|
|
|
|
if (valid_status(timeline_get_by_md5(&snac1, v, &m2))) {
|
|
xs *st = mastoapi_status(&snac1, m2);
|
|
des = xs_list_append(des, st);
|
|
}
|
|
}
|
|
|
|
out = xs_dict_new();
|
|
out = xs_dict_append(out, "ancestors", anc);
|
|
out = xs_dict_append(out, "descendants", des);
|
|
}
|
|
else
|
|
if (strcmp(op, "reblogged_by") == 0 ||
|
|
strcmp(op, "favourited_by") == 0) {
|
|
/* return the list of people who liked or boosted this */
|
|
out = xs_list_new();
|
|
|
|
xs *l = NULL;
|
|
|
|
if (op[0] == 'r')
|
|
l = object_announces(xs_dict_get(msg, "id"));
|
|
else
|
|
l = object_likes(xs_dict_get(msg, "id"));
|
|
|
|
xs_list *p = l;
|
|
xs_str *v;
|
|
|
|
while (xs_list_iter(&p, &v)) {
|
|
xs *actor2 = NULL;
|
|
|
|
if (valid_status(object_get_by_md5(v, &actor2))) {
|
|
xs *acct2 = mastoapi_account(actor2);
|
|
|
|
out = xs_list_append(out, acct2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
srv_debug(1, xs_fmt("mastoapi status: bad id %s", id));
|
|
|
|
if (out != NULL) {
|
|
*body = xs_json_dumps_pp(out, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/filters") == 0) {
|
|
*body = xs_dup("[]");
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
|
|
/* user cleanup */
|
|
if (logged_in)
|
|
user_free(&snac1);
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
int mastoapi_post_handler(const xs_dict *req, const char *q_path,
|
|
const char *payload, int p_size,
|
|
char **body, int *b_size, char **ctype)
|
|
{
|
|
if (!xs_startswith(q_path, "/api/v1/"))
|
|
return 0;
|
|
|
|
srv_debug(1, xs_fmt("mastoapi_post_handler %s", q_path));
|
|
/* {
|
|
xs *j = xs_json_dumps_pp(req, 4);
|
|
printf("mastoapi post:\n%s\n", j);
|
|
}*/
|
|
|
|
int status = 404;
|
|
xs *args = NULL;
|
|
char *i_ctype = xs_dict_get(req, "content-type");
|
|
|
|
if (i_ctype && xs_startswith(i_ctype, "application/json"))
|
|
args = xs_json_loads(payload);
|
|
else
|
|
args = xs_dup(xs_dict_get(req, "p_vars"));
|
|
|
|
if (args == NULL)
|
|
return 400;
|
|
|
|
/* {
|
|
xs *j = xs_json_dumps_pp(args, 4);
|
|
printf("%s\n", j);
|
|
}*/
|
|
|
|
xs *cmd = xs_replace(q_path, "/api/v1", "");
|
|
|
|
snac snac = {0};
|
|
int logged_in = process_auth_token(&snac, req);
|
|
|
|
if (strcmp(cmd, "/apps") == 0) {
|
|
const char *name = xs_dict_get(args, "client_name");
|
|
const char *ruri = xs_dict_get(args, "redirect_uris");
|
|
const char *scope = xs_dict_get(args, "scope");
|
|
|
|
if (xs_type(ruri) == XSTYPE_LIST)
|
|
ruri = xs_dict_get(ruri, 0);
|
|
|
|
if (name && ruri) {
|
|
xs *app = xs_dict_new();
|
|
xs *id = xs_replace_i(tid(0), ".", "");
|
|
xs *cid = random_str();
|
|
xs *csec = random_str();
|
|
xs *vkey = random_str();
|
|
|
|
app = xs_dict_append(app, "name", name);
|
|
app = xs_dict_append(app, "redirect_uri", ruri);
|
|
app = xs_dict_append(app, "client_id", cid);
|
|
app = xs_dict_append(app, "client_secret", csec);
|
|
app = xs_dict_append(app, "vapid_key", vkey);
|
|
app = xs_dict_append(app, "id", id);
|
|
|
|
*body = xs_json_dumps_pp(app, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
|
|
app = xs_dict_append(app, "code", "");
|
|
|
|
if (scope)
|
|
app = xs_dict_append(app, "scope", scope);
|
|
|
|
app_add(cid, app);
|
|
|
|
srv_debug(0, xs_fmt("mastoapi apps: new app %s", cid));
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(cmd, "/statuses") == 0) {
|
|
if (logged_in) {
|
|
/* post a new Note */
|
|
/* TBD */
|
|
}
|
|
else
|
|
status = 401;
|
|
}
|
|
else
|
|
if (xs_startswith(cmd, "/statuses")) {
|
|
if (logged_in) {
|
|
/* operations on a status */
|
|
xs *l = xs_split(cmd, "/");
|
|
const char *mid = xs_list_get(l, 2);
|
|
const char *op = xs_list_get(l, 3);
|
|
|
|
if (!xs_is_null(mid)) {
|
|
xs *msg = NULL;
|
|
xs *out = NULL;
|
|
|
|
/* skip the 'fake' part of the id */
|
|
mid = MID_TO_MD5(mid);
|
|
|
|
if (valid_status(timeline_get_by_md5(&snac, mid, &msg))) {
|
|
char *id = xs_dict_get(msg, "id");
|
|
|
|
if (op == NULL) {
|
|
/* no operation (?) */
|
|
}
|
|
else
|
|
if (strcmp(op, "favourite") == 0) {
|
|
xs *n_msg = msg_admiration(&snac, id, "Like");
|
|
|
|
if (n_msg != NULL) {
|
|
enqueue_message(&snac, n_msg);
|
|
timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 1);
|
|
|
|
out = mastoapi_status(&snac, msg);
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(op, "unfavourite") == 0) {
|
|
/* snac does not support Undo+Like */
|
|
}
|
|
else
|
|
if (strcmp(op, "reblog") == 0) {
|
|
xs *n_msg = msg_admiration(&snac, id, "Announce");
|
|
|
|
if (n_msg != NULL) {
|
|
enqueue_message(&snac, n_msg);
|
|
timeline_admire(&snac, xs_dict_get(n_msg, "object"), snac.actor, 0);
|
|
|
|
out = mastoapi_status(&snac, msg);
|
|
}
|
|
}
|
|
else
|
|
if (strcmp(op, "unreblog") == 0) {
|
|
/* snac does not support Undo+Announce */
|
|
}
|
|
else
|
|
if (strcmp(op, "bookmark") == 0) {
|
|
/* snac does not support bookmarks */
|
|
}
|
|
else
|
|
if (strcmp(op, "unbookmark") == 0) {
|
|
/* snac does not support bookmarks */
|
|
}
|
|
else
|
|
if (strcmp(op, "pin") == 0) {
|
|
/* snac does not support pinning */
|
|
}
|
|
else
|
|
if (strcmp(op, "unpin") == 0) {
|
|
/* snac does not support pinning */
|
|
}
|
|
else
|
|
if (strcmp(op, "mute") == 0) {
|
|
/* Mastodon's mute is snac's hide */
|
|
}
|
|
else
|
|
if (strcmp(op, "unmute") == 0) {
|
|
/* Mastodon's unmute is snac's unhide */
|
|
}
|
|
}
|
|
|
|
if (out != NULL) {
|
|
*body = xs_json_dumps_pp(out, 4);
|
|
*ctype = "application/json";
|
|
status = 200;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
status = 401;
|
|
}
|
|
|
|
/* user cleanup */
|
|
if (logged_in)
|
|
user_free(&snac);
|
|
|
|
return status;
|
|
}
|