mirror of https://codeberg.org/grunfink/snac2.git
351 lines
14 KiB
C
351 lines
14 KiB
C
/* snac - A simple, minimalistic ActivityPub instance */
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/* copyright (c) 2022 - 2024 grunfink et al. / MIT license */
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#define VERSION "2.52-dev"
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#define USER_AGENT "snac/" VERSION
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#define WHAT_IS_SNAC_URL "https:/" "/comam.es/what-is-snac"
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#define DIR_PERM 00770
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#define DIR_PERM_ADD 02770
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#define ISO_DATE_SPEC "%Y-%m-%dT%H:%M:%SZ"
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#ifndef MAX_THREADS
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#define MAX_THREADS 256
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#endif
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#ifndef MAX_CONVERSATION_LEVELS
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#define MAX_CONVERSATION_LEVELS 48
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#endif
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extern double disk_layout;
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extern xs_str *srv_basedir;
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extern xs_dict *srv_config;
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extern xs_str *srv_baseurl;
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extern int dbglevel;
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#define L(s) (s)
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int mkdirx(const char *pathname);
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int valid_status(int status);
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xs_str *tid(int offset);
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double ftime(void);
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void srv_log(xs_str *str);
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#define srv_debug(level, str) do { if (dbglevel >= (level)) \
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{ srv_log((str)); } } while (0)
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typedef struct {
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xs_str *uid; /* uid */
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xs_str *basedir; /* user base directory */
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xs_dict *config; /* user configuration */
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xs_dict *config_o; /* user configuration admin override */
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xs_dict *key; /* keypair */
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xs_dict *links; /* validated links */
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xs_str *actor; /* actor url */
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xs_str *md5; /* actor url md5 */
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} snac;
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typedef struct {
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int s_size; /* struct size (for double checking) */
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int srv_running; /* server running on/off */
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int use_fcgi; /* FastCGI use on/off */
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time_t srv_start_time; /* start time */
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int job_fifo_size; /* job fifo size */
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int peak_job_fifo_size; /* maximum job fifo size seen */
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int n_threads; /* number of configured threads */
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enum { THST_STOP, THST_WAIT, THST_IN, THST_QUEUE } th_state[MAX_THREADS];
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} srv_state;
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extern srv_state *p_state;
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void snac_log(snac *user, xs_str *str);
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#define snac_debug(user, level, str) do { if (dbglevel >= (level)) \
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{ snac_log((user), (str)); } } while (0)
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int srv_open(char *basedir, int auto_upgrade);
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void srv_free(void);
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int user_open(snac *snac, const char *uid);
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void user_free(snac *snac);
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xs_list *user_list(void);
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int user_open_by_md5(snac *snac, const char *md5);
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int validate_uid(const char *uid);
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xs_str *hash_password(const char *uid, const char *passwd, const char *nonce);
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int check_password(const char *uid, const char *passwd, const char *hash);
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void srv_archive(const char *direction, const char *url, xs_dict *req,
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const char *payload, int p_size,
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int status, xs_dict *headers,
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const char *body, int b_size);
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void srv_archive_error(const char *prefix, const xs_str *err,
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const xs_dict *req, const xs_val *data);
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void srv_archive_qitem(char *prefix, xs_dict *q_item);
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double mtime_nl(const char *fn, int *n_link);
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#define mtime(fn) mtime_nl(fn, NULL)
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double f_ctime(const char *fn);
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int index_add_md5(const char *fn, const char *md5);
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int index_add(const char *fn, const char *id);
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int index_gc(const char *fn);
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int index_first(const char *fn, char *buf, int size);
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int index_len(const char *fn);
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xs_list *index_list(const char *fn, int max);
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xs_list *index_list_desc(const char *fn, int skip, int show);
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int object_add(const char *id, const xs_dict *obj);
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int object_add_ow(const char *id, const xs_dict *obj);
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int object_here_by_md5(const char *id);
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int object_here(const char *id);
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int object_get_by_md5(const char *md5, xs_dict **obj);
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int object_get(const char *id, xs_dict **obj);
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int object_del(const char *id);
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int object_del_if_unref(const char *id);
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double object_ctime_by_md5(const char *md5);
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double object_ctime(const char *id);
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double object_mtime_by_md5(const char *md5);
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double object_mtime(const char *id);
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void object_touch(const char *id);
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int object_admire(const char *id, const char *actor, int like);
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int object_unadmire(const char *id, const char *actor, int like);
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int object_likes_len(const char *id);
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int object_announces_len(const char *id);
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xs_list *object_children(const char *id);
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xs_list *object_likes(const char *id);
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xs_list *object_announces(const char *id);
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int object_parent(const char *id, char *buf, int size);
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int object_user_cache_add(snac *snac, const char *id, const char *cachedir);
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int object_user_cache_del(snac *snac, const char *id, const char *cachedir);
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int follower_add(snac *snac, const char *actor);
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int follower_del(snac *snac, const char *actor);
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int follower_check(snac *snac, const char *actor);
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xs_list *follower_list(snac *snac);
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double timeline_mtime(snac *snac);
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int timeline_touch(snac *snac);
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int timeline_here(snac *snac, const char *md5);
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int timeline_get_by_md5(snac *snac, const char *md5, xs_dict **msg);
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int timeline_del(snac *snac, char *id);
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xs_list *timeline_simple_list(snac *snac, const char *idx_name, int skip, int show);
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xs_list *timeline_list(snac *snac, const char *idx_name, int skip, int show);
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int timeline_add(snac *snac, const char *id, const xs_dict *o_msg);
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int timeline_admire(snac *snac, const char *id, const char *admirer, int like);
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xs_list *timeline_top_level(snac *snac, xs_list *list);
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xs_list *local_list(snac *snac, int max);
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xs_list *timeline_instance_list(int skip, int show);
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int following_add(snac *snac, const char *actor, const xs_dict *msg);
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int following_del(snac *snac, const char *actor);
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int following_check(snac *snac, const char *actor);
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int following_get(snac *snac, const char *actor, xs_dict **data);
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xs_list *following_list(snac *snac);
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void mute(snac *snac, const char *actor);
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void unmute(snac *snac, const char *actor);
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int is_muted(snac *snac, const char *actor);
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int pin(snac *user, const char *id);
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int unpin(snac *user, const char *id);
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int is_pinned(snac *user, const char *id);
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int is_pinned_by_md5(snac *user, const char *md5);
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xs_list *pinned_list(snac *user);
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int limited(snac *user, const char *id, int cmd);
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#define is_limited(user, id) limited((user), (id), 0)
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#define limit(user, id) limited((user), (id), 1)
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#define unlimit(user, id) limited((user), (id), 2)
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void hide(snac *snac, const char *id);
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int is_hidden(snac *snac, const char *id);
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void tag_index(const char *id, const xs_dict *obj);
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xs_list *tag_search(char *tag, int skip, int show);
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int actor_add(const char *actor, xs_dict *msg);
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int actor_get(const char *actor, xs_dict **data);
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int actor_get_refresh(snac *user, const char *actor, xs_dict **data);
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int static_get(snac *snac, const char *id, xs_val **data, int *size, const char *inm, xs_str **etag);
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void static_put(snac *snac, const char *id, const char *data, int size);
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void static_put_meta(snac *snac, const char *id, const char *str);
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xs_str *static_get_meta(snac *snac, const char *id);
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double history_mtime(snac *snac, const char *id);
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void history_add(snac *snac, const char *id, const char *content, int size,
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xs_str **etag);
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int history_get(snac *snac, const char *id, xs_str **content, int *size,
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const char *inm, xs_str **etag);
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int history_del(snac *snac, const char *id);
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xs_list *history_list(snac *snac);
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void lastlog_write(snac *snac, const char *source);
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xs_str *notify_check_time(snac *snac, int reset);
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void notify_add(snac *snac, const char *type, const char *utype,
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const char *actor, const char *objid);
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xs_dict *notify_get(snac *snac, const char *id);
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int notify_new_num(snac *snac);
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xs_list *notify_list(snac *snac, int skip, int show);
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void notify_clear(snac *snac);
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void inbox_add(const char *inbox);
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void inbox_add_by_actor(const xs_dict *actor);
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xs_list *inbox_list(void);
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int is_instance_blocked(const char *instance);
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int instance_block(const char *instance);
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int instance_unblock(const char *instance);
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int content_check(const char *file, const xs_dict *msg);
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void enqueue_input(snac *snac, const xs_dict *msg, const xs_dict *req, int retries);
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void enqueue_shared_input(const xs_dict *msg, const xs_dict *req, int retries);
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void enqueue_output_raw(const char *keyid, const char *seckey,
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xs_dict *msg, xs_str *inbox, int retries, int p_status);
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void enqueue_output(snac *snac, xs_dict *msg, xs_str *inbox, int retries, int p_status);
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void enqueue_output_by_actor(snac *snac, xs_dict *msg, const xs_str *actor, int retries);
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void enqueue_email(xs_str *msg, int retries);
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void enqueue_telegram(const xs_str *msg, const char *bot, const char *chat_id);
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void enqueue_ntfy(const xs_str *msg, const char *ntfy_server, const char *ntfy_token);
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void enqueue_message(snac *snac, const xs_dict *msg);
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void enqueue_close_question(snac *user, const char *id, int end_secs);
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void enqueue_verify_links(snac *user);
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void enqueue_actor_refresh(snac *user, const char *actor);
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void enqueue_request_replies(snac *user, const char *id);
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int was_question_voted(snac *user, const char *id);
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xs_list *user_queue(snac *snac);
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xs_list *queue(void);
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xs_dict *queue_get(const char *fn);
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xs_dict *dequeue(const char *fn);
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void purge(snac *snac);
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void purge_all(void);
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xs_dict *http_signed_request_raw(const char *keyid, const char *seckey,
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const char *method, const char *url,
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xs_dict *headers,
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const char *body, int b_size,
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int *status, xs_str **payload, int *p_size,
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int timeout);
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xs_dict *http_signed_request(snac *snac, const char *method, const char *url,
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xs_dict *headers,
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const char *body, int b_size,
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int *status, xs_str **payload, int *p_size,
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int timeout);
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int check_signature(xs_dict *req, xs_str **err);
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srv_state *srv_state_op(xs_str **fname, int op);
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void httpd(void);
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int webfinger_request_signed(snac *snac, const char *qs, char **actor, char **user);
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int webfinger_request(const char *qs, char **actor, char **user);
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int webfinger_get_handler(xs_dict *req, char *q_path,
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char **body, int *b_size, char **ctype);
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const char *default_avatar_base64(void);
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xs_str *process_tags(snac *snac, const char *content, xs_list **tag);
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char *get_atto(const xs_dict *msg);
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xs_list *get_attachments(const xs_dict *msg);
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xs_dict *msg_admiration(snac *snac, char *object, char *type);
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xs_dict *msg_repulsion(snac *user, char *id, char *type);
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xs_dict *msg_create(snac *snac, const xs_dict *object);
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xs_dict *msg_follow(snac *snac, const char *actor);
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xs_dict *msg_note(snac *snac, const xs_str *content, const xs_val *rcpts,
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xs_str *in_reply_to, xs_list *attach, int priv);
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xs_dict *msg_undo(snac *snac, char *object);
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xs_dict *msg_delete(snac *snac, char *id);
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xs_dict *msg_actor(snac *snac);
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xs_dict *msg_update(snac *snac, xs_dict *object);
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xs_dict *msg_ping(snac *user, const char *rcpt);
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xs_dict *msg_pong(snac *user, const char *rcpt, const char *object);
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xs_dict *msg_question(snac *user, const char *content, xs_list *attach,
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const xs_list *opts, int multiple, int end_secs);
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int activitypub_request(snac *snac, const char *url, xs_dict **data);
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int actor_request(snac *user, const char *actor, xs_dict **data);
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void timeline_request_replies(snac *user, const char *id);
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int send_to_inbox_raw(const char *keyid, const char *seckey,
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const xs_str *inbox, const xs_dict *msg,
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xs_val **payload, int *p_size, int timeout);
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int send_to_inbox(snac *snac, const xs_str *inbox, const xs_dict *msg,
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xs_val **payload, int *p_size, int timeout);
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xs_str *get_actor_inbox(const char *actor);
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int send_to_actor(snac *snac, const char *actor, const xs_dict *msg,
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xs_val **payload, int *p_size, int timeout);
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int is_msg_public(const xs_dict *msg);
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int is_msg_from_private_user(const xs_dict *msg);
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int is_msg_for_me(snac *snac, const xs_dict *msg);
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int process_user_queue(snac *snac);
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void process_queue_item(xs_dict *q_item);
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int process_queue(void);
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int activitypub_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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int activitypub_post_handler(const xs_dict *req, const char *q_path,
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char *payload, int p_size,
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char **body, int *b_size, char **ctype);
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xs_dict *emojis(void);
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xs_str *not_really_markdown(const char *content, xs_list **attach, xs_list **tag);
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xs_str *sanitize(const char *content);
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xs_str *encode_html(const char *str);
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xs_str *html_timeline(snac *user, const xs_list *list, int read_only,
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int skip, int show, int show_more,
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char *tag, char *page, int utl);
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int html_get_handler(const xs_dict *req, const char *q_path,
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char **body, int *b_size, char **ctype, xs_str **etag);
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int html_post_handler(const xs_dict *req, const char *q_path,
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char *payload, int p_size,
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char **body, int *b_size, char **ctype);
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int snac_init(const char *_basedir);
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int adduser(const char *uid);
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int resetpwd(snac *snac);
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int deluser(snac *user);
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extern const char *snac_blurb;
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void job_post(const xs_val *job, int urgent);
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void job_wait(xs_val **job);
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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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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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int mastoapi_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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int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
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char **body, int *b_size, char **ctype);
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int mastoapi_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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int mastoapi_put_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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void mastoapi_purge(void);
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void verify_links(snac *user);
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