%s
\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 = 404; 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 = 400; 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"); if (xs_is_null(state)) state = ""; *body = xs_fmt(login_page, host, "", host, "oauth/x-snac-login", ruri, cid, state, USER_AGENT); *ctype = "text/html"; status = 200; 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"); *body = xs_fmt(login_page, host, "", host, "oauth/x-snac-get-token", "", "", "", USER_AGENT); *ctype = "text/html"; status = 200; } 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 = 404; char *i_ctype = xs_dict_get(req, "content-type"); xs *args = NULL; if (i_ctype && xs_startswith(i_ctype, "application/json")) args = xs_json_loads(payload); else args = xs_dup(xs_dict_get(req, "p_vars")); 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"); /* by default, generate another login form with an error */ *body = xs_fmt(login_page, host, "LOGIN INCORRECT", host, "oauth/x-snac-login", redir, cid, state, USER_AGENT); *ctype = "text/html"; status = 200; 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); *body = xs_fmt("%s?code=%s", redir, code); status = 303; /* 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"); /* FIXME: this 'scope' parameter is mandatory for the official Mastodon API, but if it's enabled, it makes it crash after some more steps, which is FAR WORSE */ // const char *scope = xs_dict_get(args, "scope"); const char *scope = NULL; /* 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; } } } } if (gtype && code && cid && csec && ruri) { xs *app = app_get(cid); if (app == NULL) { status = 401; srv_log(xs_fmt("oauth token: invalid app %s", cid)); } else if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) { status = 401; 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 = 200; 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 = 400; } } 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 = 403; } else { token_del(tokid); srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid)); status = 200; /* 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 = 403; } } 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"); /* by default, generate another login form with an error */ *body = xs_fmt(login_page, host, "LOGIN INCORRECT", host, "oauth/x-snac-get-token", "", "", "", USER_AGENT); *ctype = "text/html"; status = 200; 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 */ { xs_dict *acct = xs_dict_new(); 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; const char *id = xs_dict_get(actor, "id"); const char *pub = xs_dict_get(actor, "published"); 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); { /* 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); } 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_true); else acct = xs_dict_append(acct, "bot", xs_stock_false); acct = xs_dict_append(acct, "note", note); acct = xs_dict_append(acct, "url", id); xs *avatar = NULL; xs_dict *av = xs_dict_get(actor, "icon"); if (xs_type(av) == XSTYPE_DICT) avatar = xs_dup(xs_dict_get(av, "url")); else 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; 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_dup(""); acct = xs_dict_append(acct, "header", header); acct = xs_dict_append(acct, "header_static", header); /* emojis */ xs_list *p; if (!xs_is_null(p = xs_dict_get(actor, "tag"))) { xs *eml = xs_list_new(); xs_dict *v; while (xs_list_iter(&p, &v)) { 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_true); eml = xs_list_append(eml, d1); } } } } acct = xs_dict_append(acct, "emojis", eml); } return acct; } 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); xs_list *opts = NULL; xs_val *v; int num_votes = 0; xs *options = xs_list_new(); poll = xs_dict_append(poll, "id", mid); poll = xs_dict_append(poll, "expires_at", xs_dict_get(msg, "endTime")); poll = xs_dict_append(poll, "expired", xs_dict_get(msg, "closed") != NULL ? xs_stock_true : xs_stock_false); if ((opts = xs_dict_get(msg, "oneOf")) != NULL) poll = xs_dict_append(poll, "multiple", xs_stock_false); else { opts = xs_dict_get(msg, "anyOf"); poll = xs_dict_append(poll, "multiple", xs_stock_true); } while (xs_list_iter(&opts, &v)) { 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, "voted", (snac && was_question_voted(snac, xs_dict_get(msg, "id"))) ? xs_stock_true : xs_stock_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(xs_dict_get(msg, "attributedTo"), &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"); xs *acct = mastoapi_account(actor); xs *idx = NULL; xs *ixc = NULL; 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, "created_at", xs_dict_get(msg, "published")); st = xs_dict_append(st, "account", acct); st = xs_dict_append(st, "content", xs_dict_get(msg, "content")); 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_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 *matt = xs_list_new(); 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)) { if (xs_startswith(mtype, "image/") || xs_startswith(mtype, "video/")) { 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", *mtype == 'i' ? "image" : "video"); 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); { xs *ml = xs_list_new(); xs *htl = xs_list_new(); xs *eml = xs_list_new(); xs_list *p = xs_dict_get(msg, "tag"); xs_dict *v; int n = 0; while (xs_list_iter(&p, &v)) { 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_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_true : xs_stock_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_true : xs_stock_false); 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", xs_stock_null); st = xs_dict_append(st, "in_reply_to_account_id", xs_stock_null); 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", xs_stock_null); st = xs_dict_append(st, "card", xs_stock_null); st = xs_dict_append(st, "language", xs_stock_null); 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 = xs_stock_null; st = xs_dict_append(st, "edited_at", tmp); if (strcmp(type, "Question") == 0) { xs *poll = mastoapi_poll(snac, msg); st = xs_dict_append(st, "poll", poll); } else st = xs_dict_append(st, "poll", xs_stock_null); st = xs_dict_append(st, "bookmarked", xs_stock_false); st = xs_dict_append(st, "pinned", (snac && is_pinned(snac, id)) ? xs_stock_true : xs_stock_false); return st; } xs_dict *mastoapi_relationship(snac *snac, const char *md5) { xs_dict *rel = NULL; xs *actor_o = NULL; if (valid_status(object_get_by_md5(md5, &actor_o))) { rel = xs_dict_new(); const char *actor = xs_dict_get(actor_o, "id"); rel = xs_dict_append(rel, "id", md5); rel = xs_dict_append(rel, "following", following_check(snac, actor) ? xs_stock_true : xs_stock_false); rel = xs_dict_append(rel, "showing_reblogs", xs_stock_true); rel = xs_dict_append(rel, "notifying", xs_stock_false); rel = xs_dict_append(rel, "followed_by", follower_check(snac, actor) ? xs_stock_true : xs_stock_false); rel = xs_dict_append(rel, "blocking", is_muted(snac, actor) ? xs_stock_true : xs_stock_false); rel = xs_dict_append(rel, "muting", xs_stock_false); rel = xs_dict_append(rel, "muting_notifications", xs_stock_false); rel = xs_dict_append(rel, "requested", xs_stock_false); rel = xs_dict_append(rel, "domain_blocking", xs_stock_false); rel = xs_dict_append(rel, "endorsed", xs_stock_false); rel = xs_dict_append(rel, "note", ""); } return rel; } 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_n(v, "Bearer ", "", 1); 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; /* this counts as a 'login' */ lastlog_write(snac, "mastoapi"); 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) { (void)b_size; if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/")) return 0; srv_debug(1, xs_fmt("mastoapi_get_handler %s", q_path)); int status = 404; xs_dict *args = xs_dict_get(req, "q_vars"); xs *cmd = xs_replace_n(q_path, "/api", "", 1); snac snac1 = {0}; int logged_in = process_auth_token(&snac1, req); if (strcmp(cmd, "/v1/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); acct = xs_dict_append(acct, "header", ""); 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(acct, 4); *ctype = "application/json"; status = 200; } else { status = 422; // "Unprocessable entity" (no login) } } else if (strcmp(cmd, "/v1/accounts/relationships") == 0) { /** **/ /* find if an account is followed, blocked, etc. */ /* the account to get relationships about is in args "id[]" */ if (logged_in) { xs *res = xs_list_new(); const char *md5 = xs_dict_get(args, "id[]"); if (!xs_is_null(md5)) { if (xs_type(md5) == XSTYPE_LIST) md5 = xs_list_get(md5, 0); xs *rel = mastoapi_relationship(&snac1, md5); if (rel != NULL) res = xs_list_append(res, rel); } *body = xs_json_dumps(res, 4); *ctype = "application/json"; status = 200; } else status = 422; } else if (xs_startswith(cmd, "/v1/accounts/")) { /** **/ /* account-related information */ xs *l = xs_split(cmd, "/"); const char *uid = xs_list_get(l, 3); const char *opt = xs_list_get(l, 4); if (uid != NULL) { snac snac2; xs *out = NULL; xs *actor = NULL; if (logged_in && strcmp(uid, "search") == 0) { /** **/ /* search for accounts starting with q */ const char *aq = xs_dict_get(args, "q"); if (!xs_is_null(aq)) { xs *q = xs_tolower_i(xs_dup(aq)); out = xs_list_new(); xs *wing = following_list(&snac1); xs *wers = follower_list(&snac1); xs *ulst = user_list(); xs_list *p; xs_str *v; xs_set seen; xs_set_init(&seen); /* user relations */ xs_list *lsts[] = { wing, wers, NULL }; int n; for (n = 0; (p = lsts[n]) != NULL; n++) { while (xs_list_iter(&p, &v)) { /* already seen? skip */ if (xs_set_add(&seen, v) == 0) continue; xs *actor = NULL; if (valid_status(object_get(v, &actor))) { const char *uname = xs_dict_get(actor, "preferredUsername"); if (!xs_is_null(uname)) { xs *luname = xs_tolower_i(xs_dup(uname)); if (xs_startswith(luname, q)) { xs *acct = mastoapi_account(actor); out = xs_list_append(out, acct); } } } } } /* local users */ p = ulst; while (xs_list_iter(&p, &v)) { snac user; /* skip this same user */ if (strcmp(v, xs_dict_get(snac1.config, "uid")) == 0) continue; /* skip if the uid does not start with the query */ xs *v2 = xs_tolower_i(xs_dup(v)); if (!xs_startswith(v2, q)) continue; if (user_open(&user, v)) { /* if it's not already seen, add it */ if (xs_set_add(&seen, user.actor) == 1) { xs *actor = msg_actor(&user); xs *acct = mastoapi_account(actor); out = xs_list_append(out, acct); } user_free(&user); } } xs_set_free(&seen); } } else /* is it a local user? */ if (user_open(&snac2, uid) || user_open_by_md5(&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); if (st) 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(out, 4); *ctype = "application/json"; status = 200; } } } else if (strcmp(cmd, "/v1/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, 256); 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, MID_TO_MD5(max_id)) == 0) max_id = NULL; continue; } /* only returns entries newer than since_id */ if (since_id) { if (strcmp(v, MID_TO_MD5(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, MID_TO_MD5(min_id)) == 0) break; } /* get the entry */ if (!valid_status(timeline_get_by_md5(&snac1, v, &msg))) continue; /* discard non-Notes */ const char *type = xs_dict_get(msg, "type"); if (strcmp(type, "Note") != 0 && strcmp(type, "Question") != 0) continue; #if 0 /* discard notes from people we don't follow with no boosts */ if (!following_check(&snac1, xs_dict_get(msg, "attributedTo")) && object_announces_len(xs_dict_get(msg, "id")) == 0) continue; #endif /* discard notes from muted morons */ if (is_muted(&snac1, xs_dict_get(msg, "attributedTo"))) continue; /* discard hidden notes */ if (is_hidden(&snac1, xs_dict_get(msg, "id"))) continue; /* discard poll votes (they have a name) */ if (!xs_is_null(xs_dict_get(msg, "name"))) 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(out, 4); *ctype = "application/json"; status = 200; srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out))); } else { status = 401; // unauthorized } } else if (strcmp(cmd, "/v1/timelines/public") == 0) { /** **/ /* the instance public timeline (public timelines for all users) */ 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_instance_list(0, limit); xs *out = xs_list_new(); xs_list *p = timeline; xs_str *md5; snac *user = NULL; if (logged_in) user = &snac1; while (xs_list_iter(&p, &md5) && cnt < limit) { xs *msg = NULL; /* get the entry */ if (!valid_status(object_get_by_md5(md5, &msg))) continue; /* discard non-Notes */ const char *type = xs_dict_get(msg, "type"); if (strcmp(type, "Note") != 0 && strcmp(type, "Question") != 0) continue; /* convert the Note into a Mastodon status */ xs *st = mastoapi_status(user, msg); if (st != NULL) { out = xs_list_append(out, st); cnt++; } } *body = xs_json_dumps(out, 4); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/conversations") == 0) { /** **/ /* TBD */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/notifications") == 0) { /** **/ if (logged_in) { xs *l = notify_list(&snac1, 0); xs *out = xs_list_new(); xs_list *p = l; xs_dict *v; xs_list *excl = xs_dict_get(args, "exclude_types[]"); while (xs_list_iter(&p, &v)) { xs *noti = notify_get(&snac1, v); if (noti == NULL) continue; const char *type = xs_dict_get(noti, "type"); const char *utype = xs_dict_get(noti, "utype"); const char *objid = xs_dict_get(noti, "objid"); xs *actor = NULL; xs *entry = NULL; if (!valid_status(actor_get(xs_dict_get(noti, "actor"), &actor))) continue; if (objid != NULL && !valid_status(object_get(objid, &entry))) continue; if (is_hidden(&snac1, objid)) continue; /* convert the type */ if (strcmp(type, "Like") == 0) type = "favourite"; else if (strcmp(type, "Announce") == 0) type = "reblog"; else if (strcmp(type, "Follow") == 0) type = "follow"; else if (strcmp(type, "Create") == 0) type = "mention"; else if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0) type = "poll"; else continue; /* excluded type? */ if (!xs_is_null(excl) && xs_list_in(excl, type) != -1) continue; xs *mn = xs_dict_new(); mn = xs_dict_append(mn, "type", type); xs *id = xs_replace(xs_dict_get(noti, "id"), ".", ""); mn = xs_dict_append(mn, "id", id); mn = xs_dict_append(mn, "created_at", xs_dict_get(noti, "date")); xs *acct = mastoapi_account(actor); mn = xs_dict_append(mn, "account", acct); if (strcmp(type, "follow") != 0 && !xs_is_null(objid)) { xs *st = mastoapi_status(&snac1, entry); if (st) mn = xs_dict_append(mn, "status", st); } out = xs_list_append(out, mn); } *body = xs_json_dumps(out, 4); *ctype = "application/json"; status = 200; } else status = 401; } else if (strcmp(cmd, "/v1/filters") == 0) { /** **/ /* snac will never have filters */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/favourites") == 0) { /** **/ /* snac will never support a list of favourites */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/ /* snac does not support bookmarks */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/lists") == 0) { /** **/ /* snac does not support lists */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/scheduled_statuses") == 0) { /** **/ /* snac does not schedule notes */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/ /* snac does not support optional follow confirmations */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/announcements") == 0) { /** **/ /* snac has no announcements (yet?) */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/ /* are you kidding me? */ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/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, "uri", 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", WHAT_IS_SNAC_URL); ins = xs_dict_append(ins, "description", host); ins = xs_dict_append(ins, "short_description", host); xs *susie = xs_fmt("%s/susie.png", srv_baseurl); ins = xs_dict_append(ins, "thumbnail", susie); const char *v = xs_dict_get(srv_config, "admin_email"); if (xs_is_null(v) || *v == '\0') v = "admin@localhost"; ins = xs_dict_append(ins, "email", v); xs *l1 = xs_list_new(); ins = xs_dict_append(ins, "rules", l1); l1 = xs_list_append(l1, "en"); ins = xs_dict_append(ins, "languages", l1); xs *d1 = xs_dict_new(); ins = xs_dict_append(ins, "urls", d1); xs *z = xs_number_new(0); d1 = xs_dict_append(d1, "user_count", z); d1 = xs_dict_append(d1, "status_count", z); d1 = xs_dict_append(d1, "domain_count", z); ins = xs_dict_append(ins, "stats", d1); ins = xs_dict_append(ins, "registrations", xs_stock_false); ins = xs_dict_append(ins, "approval_required", xs_stock_false); ins = xs_dict_append(ins, "invites_enabled", xs_stock_false); xs *cfg = xs_dict_new(); { xs *d11 = xs_dict_new(); xs *mc = xs_number_new(100000); xs *mm = xs_number_new(8); xs *cr = xs_number_new(32); d11 = xs_dict_append(d11, "max_characters", mc); d11 = xs_dict_append(d11, "max_media_attachments", mm); d11 = xs_dict_append(d11, "characters_reserved_per_url", cr); cfg = xs_dict_append(cfg, "statuses", d11); } ins = xs_dict_append(ins, "configuration", cfg); const char *admin_account = xs_dict_get(srv_config, "admin_account"); if (!xs_is_null(admin_account) && *admin_account) { snac admin; if (user_open(&admin, admin_account)) { xs *actor = msg_actor(&admin); xs *acct = mastoapi_account(actor); ins = xs_dict_append(ins, "contact_account", acct); user_free(&admin); } } *body = xs_json_dumps(ins, 4); *ctype = "application/json"; status = 200; } else if (xs_startswith(cmd, "/v1/statuses/")) { /** **/ /* information about a status */ if (logged_in) { xs *l = xs_split(cmd, "/"); const char *id = xs_list_get(l, 3); const char *op = xs_list_get(l, 4); 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(object_get_by_md5(id, &msg))) { if (op == NULL) { if (!is_muted(&snac1, xs_dict_get(msg, "attributedTo"))) { /* 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 */ strncpy(pid, id, sizeof(pid)); 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); if (st) anc = xs_list_insert(anc, 0, 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))) { if (xs_is_null(xs_dict_get(m2, "name"))) { xs *st = mastoapi_status(&snac1, m2); if (st) 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(out, 4); *ctype = "application/json"; status = 200; } } } else status = 401; } else if (strcmp(cmd, "/v1/preferences") == 0) { /** **/ *body = xs_dup("{}"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/markers") == 0) { /** **/ *body = xs_dup("{}"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/ *body = xs_dup("[]"); *ctype = "application/json"; status = 200; } else if (strcmp(cmd, "/v2/search") == 0) { /** **/ if (logged_in) { const char *q = xs_dict_get(args, "q"); const char *type = xs_dict_get(args, "type"); const char *offset = xs_dict_get(args, "offset"); xs *acl = xs_list_new(); xs *stl = xs_list_new(); xs *htl = xs_list_new(); xs *res = xs_dict_new(); if (xs_is_null(offset) || strcmp(offset, "0") == 0) { /* reply something only for offset 0; otherwise, apps like Tusky keep asking again and again */ if (!xs_is_null(q) && !xs_is_null(type) && strcmp(type, "accounts") == 0) { /* do a webfinger query */ char *actor = NULL; char *user = NULL; if (valid_status(webfinger_request(q, &actor, &user))) { xs *actor_o = NULL; if (valid_status(actor_request(&snac1, actor, &actor_o))) { xs *acct = mastoapi_account(actor_o); acl = xs_list_append(acl, acct); } } } } res = xs_dict_append(res, "accounts", acl); res = xs_dict_append(res, "statuses", stl); res = xs_dict_append(res, "hashtags", htl); *body = xs_json_dumps(res, 4); *ctype = "application/json"; status = 200; } else status = 401; } /* 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) { (void)p_size; (void)b_size; if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/")) return 0; srv_debug(1, xs_fmt("mastoapi_post_handler %s", q_path)); 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 *cmd = xs_replace_n(q_path, "/api", "", 1); snac snac = {0}; int logged_in = process_auth_token(&snac, req); if (strcmp(cmd, "/v1/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 *csec = random_str(); xs *vkey = random_str(); xs *cid = NULL; /* pick a non-existent random cid */ for (;;) { cid = random_str(); xs *p_app = app_get(cid); if (p_app == NULL) break; xs_free(cid); } 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(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(1, xs_fmt("mastoapi apps: new app %s", cid)); } } else if (strcmp(cmd, "/v1/statuses") == 0) { /** **/ if (logged_in) { /* post a new Note */ const char *content = xs_dict_get(args, "status"); const char *mid = xs_dict_get(args, "in_reply_to_id"); const char *visibility = xs_dict_get(args, "visibility"); const char *summary = xs_dict_get(args, "spoiler_text"); const char *media_ids = xs_dict_get(args, "media_ids"); if (xs_is_null(media_ids)) media_ids = xs_dict_get(args, "media_ids[]"); if (xs_is_null(visibility)) visibility = "public"; xs *attach_list = xs_list_new(); xs *irt = NULL; /* is it a reply? */ if (mid != NULL) { xs *r_msg = NULL; const char *md5 = MID_TO_MD5(mid); if (valid_status(object_get_by_md5(md5, &r_msg))) irt = xs_dup(xs_dict_get(r_msg, "id")); } /* does it have attachments? */ if (!xs_is_null(media_ids)) { xs *mi = NULL; if (xs_type(media_ids) == XSTYPE_LIST) mi = xs_dup(media_ids); else { mi = xs_list_new(); mi = xs_list_append(mi, media_ids); } xs_list *p = mi; xs_str *v; while (xs_list_iter(&p, &v)) { xs *l = xs_list_new(); xs *url = xs_fmt("%s/s/%s", snac.actor, v); xs *desc = static_get_meta(&snac, v); l = xs_list_append(l, url); l = xs_list_append(l, desc); attach_list = xs_list_append(attach_list, l); } } /* prepare the message */ xs *msg = msg_note(&snac, content, NULL, irt, attach_list, strcmp(visibility, "public") == 0 ? 0 : 1); if (!xs_is_null(summary) && *summary) { msg = xs_dict_set(msg, "sensitive", xs_stock_true); msg = xs_dict_set(msg, "summary", summary); } /* store */ timeline_add(&snac, xs_dict_get(msg, "id"), msg); /* 'Create' message */ xs *c_msg = msg_create(&snac, msg); enqueue_message(&snac, c_msg); timeline_touch(&snac); /* convert to a mastodon status as a response code */ xs *st = mastoapi_status(&snac, msg); *body = xs_json_dumps(st, 4); *ctype = "application/json"; status = 200; } else status = 401; } else if (xs_startswith(cmd, "/v1/statuses")) { /** **/ if (logged_in) { /* operations on a status */ xs *l = xs_split(cmd, "/"); const char *mid = xs_list_get(l, 3); const char *op = xs_list_get(l, 4); 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) { /** **/ /* partial support: as the original Like message is not stored anywhere here, it's not possible to send an Undo + Like; the only thing done here is to delete the actor from the list of likes */ object_unadmire(id, snac.actor, 1); } 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) { /** **/ /* partial support: see comment in 'unfavourite' */ object_unadmire(id, snac.actor, 0); } 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) { /** **/ /* pin this message */ if (pin(&snac, id)) out = mastoapi_status(&snac, msg); else status = 422; } else if (strcmp(op, "unpin") == 0) { /** **/ /* unpin this message */ unpin(&snac, id); out = mastoapi_status(&snac, msg); } 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(out, 4); *ctype = "application/json"; status = 200; } } } else status = 401; } else if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/ if (logged_in) { notify_clear(&snac); timeline_touch(&snac); *body = xs_dup("{}"); *ctype = "application/json"; status = 200; } else status = 401; } else if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/ /* I don't know what I'm doing */ if (logged_in) { char *v; xs *wpush = xs_dict_new(); wpush = xs_dict_append(wpush, "id", "1"); v = xs_dict_get(args, "data"); v = xs_dict_get(v, "alerts"); wpush = xs_dict_append(wpush, "alerts", v); v = xs_dict_get(args, "subscription"); v = xs_dict_get(v, "endpoint"); wpush = xs_dict_append(wpush, "endpoint", v); xs *server_key = random_str(); wpush = xs_dict_append(wpush, "server_key", server_key); *body = xs_json_dumps(wpush, 4); *ctype = "application/json"; status = 200; } else status = 401; } else if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/ if (logged_in) { const xs_list *file = xs_dict_get(args, "file"); const char *desc = xs_dict_get(args, "description"); if (xs_is_null(desc)) desc = ""; status = 400; if (xs_type(file) == XSTYPE_LIST) { const char *fn = xs_list_get(file, 0); if (*fn != '\0') { char *ext = strrchr(fn, '.'); xs *hash = xs_md5_hex(fn, strlen(fn)); xs *id = xs_fmt("%s%s", hash, ext); xs *url = xs_fmt("%s/s/%s", snac.actor, id); int fo = xs_number_get(xs_list_get(file, 1)); int fs = xs_number_get(xs_list_get(file, 2)); /* store */ static_put(&snac, id, payload + fo, fs); static_put_meta(&snac, id, desc); /* prepare a response */ xs *rsp = xs_dict_new(); rsp = xs_dict_append(rsp, "id", id); rsp = xs_dict_append(rsp, "type", "image"); rsp = xs_dict_append(rsp, "url", url); rsp = xs_dict_append(rsp, "preview_url", url); rsp = xs_dict_append(rsp, "remote_url", url); rsp = xs_dict_append(rsp, "description", desc); *body = xs_json_dumps(rsp, 4); *ctype = "application/json"; status = 200; } } } else status = 401; } else if (xs_startswith(cmd, "/v1/accounts")) { /** **/ if (logged_in) { /* account-related information */ xs *l = xs_split(cmd, "/"); const char *md5 = xs_list_get(l, 3); const char *opt = xs_list_get(l, 4); xs *rsp = NULL; if (!xs_is_null(md5) && *md5) { xs *actor_o = NULL; if (xs_is_null(opt)) { /* ? */ } else if (strcmp(opt, "follow") == 0) { /** **/ if (valid_status(object_get_by_md5(md5, &actor_o))) { const char *actor = xs_dict_get(actor_o, "id"); xs *msg = msg_follow(&snac, actor); if (msg != NULL) { /* reload the actor from the message, in may be different */ actor = xs_dict_get(msg, "object"); following_add(&snac, actor, msg); enqueue_output_by_actor(&snac, msg, actor, 0); rsp = mastoapi_relationship(&snac, md5); } } } else if (strcmp(opt, "unfollow") == 0) { /** **/ if (valid_status(object_get_by_md5(md5, &actor_o))) { const char *actor = xs_dict_get(actor_o, "id"); /* get the following object */ xs *object = NULL; if (valid_status(following_get(&snac, actor, &object))) { xs *msg = msg_undo(&snac, xs_dict_get(object, "object")); following_del(&snac, actor); enqueue_output_by_actor(&snac, msg, actor, 0); rsp = mastoapi_relationship(&snac, md5); } } } else if (strcmp(opt, "block") == 0) { /** **/ if (valid_status(object_get_by_md5(md5, &actor_o))) { const char *actor = xs_dict_get(actor_o, "id"); mute(&snac, actor); rsp = mastoapi_relationship(&snac, md5); } } else if (strcmp(opt, "unblock") == 0) { /** **/ if (valid_status(object_get_by_md5(md5, &actor_o))) { const char *actor = xs_dict_get(actor_o, "id"); unmute(&snac, actor); rsp = mastoapi_relationship(&snac, md5); } } } if (rsp != NULL) { *body = xs_json_dumps(rsp, 4); *ctype = "application/json"; status = 200; } } else status = 401; } else if (xs_startswith(cmd, "/v1/polls")) { /** **/ if (logged_in) { /* operations on a status */ xs *l = xs_split(cmd, "/"); const char *mid = xs_list_get(l, 3); const char *op = xs_list_get(l, 4); 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))) { const char *id = xs_dict_get(msg, "id"); const char *atto = xs_dict_get(msg, "attributedTo"); xs_list *opts = xs_dict_get(msg, "oneOf"); if (opts == NULL) opts = xs_dict_get(msg, "anyOf"); if (op == NULL) { } else if (strcmp(op, "votes") == 0) { xs_list *choices = xs_dict_get(args, "choices[]"); if (xs_type(choices) == XSTYPE_LIST) { xs_str *v; while (xs_list_iter(&choices, &v)) { int io = atoi(v); const xs_dict *o = xs_list_get(opts, io); if (o) { const char *name = xs_dict_get(o, "name"); xs *msg = msg_note(&snac, "", atto, (char *)id, NULL, 1); msg = xs_dict_append(msg, "name", name); xs *c_msg = msg_create(&snac, msg); enqueue_message(&snac, c_msg); timeline_add(&snac, xs_dict_get(msg, "id"), msg); } } out = mastoapi_poll(&snac, msg); } } } if (out != NULL) { *body = xs_json_dumps(out, 4); *ctype = "application/json"; status = 200; } } } else status = 401; } /* user cleanup */ if (logged_in) user_free(&snac); return status; } int mastoapi_put_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, "/api/v1/") && !xs_startswith(q_path, "/api/v2/")) return 0; srv_debug(1, xs_fmt("mastoapi_post_handler %s", q_path)); 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 *cmd = xs_replace_n(q_path, "/api", "", 1); snac snac = {0}; int logged_in = process_auth_token(&snac, req); if (xs_startswith(cmd, "/v1/media") || xs_startswith(cmd, "/v2/media")) { /** **/ if (logged_in) { xs *l = xs_split(cmd, "/"); const char *stid = xs_list_get(l, 3); if (!xs_is_null(stid)) { const char *desc = xs_dict_get(args, "description"); /* set the image metadata */ static_put_meta(&snac, stid, desc); /* prepare a response */ xs *rsp = xs_dict_new(); xs *url = xs_fmt("%s/s/%s", snac.actor, stid); rsp = xs_dict_append(rsp, "id", stid); rsp = xs_dict_append(rsp, "type", "image"); rsp = xs_dict_append(rsp, "url", url); rsp = xs_dict_append(rsp, "preview_url", url); rsp = xs_dict_append(rsp, "remote_url", url); rsp = xs_dict_append(rsp, "description", desc); *body = xs_json_dumps(rsp, 4); *ctype = "application/json"; status = 200; } } else status = 401; } /* user cleanup */ if (logged_in) user_free(&snac); return status; } void mastoapi_purge(void) { xs *spec = xs_fmt("%s/app/" "*.json", srv_basedir); xs *files = xs_glob(spec, 1, 0); xs_list *p = files; xs_str *v; time_t mt = time(NULL) - 3600; while (xs_list_iter(&p, &v)) { xs *cid = xs_replace(v, ".json", ""); xs *fn = _app_fn(cid); if (mtime(fn) < mt) { /* get the app */ xs *app = app_get(cid); if (app) { /* old apps with no uid are incomplete cruft */ const char *uid = xs_dict_get(app, "uid"); if (xs_is_null(uid) || *uid == '\0') { unlink(fn); srv_debug(2, xs_fmt("purged %s", fn)); } } } } } #endif /* #ifndef NO_MASTODON_API */