Use enum instead of numeric status codes for HTTP statuses

7 files changed, 262 insertions, 206 deletions

diff --git a/activitypub.c b/activitypub.c
index 6e40a88..4247078 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -96,19 +96,19 @@ int activitypub_request(snac *user, const char *url, xs_dict **data)
         ctype = xs_dict_get(response, "content-type");
 
         if (xs_is_null(ctype))
-            status = 400;
+            status = HTTP_STATUS_BAD_REQUEST;
         else
         if (xs_str_in(ctype, "application/activity+json") != -1 ||
             xs_str_in(ctype, "application/ld+json") != -1) {
 
             /* if there is no payload, fail */
             if (xs_is_null(payload))
-                status = 400;
+                status = HTTP_STATUS_BAD_REQUEST;
             else
                 *data = xs_json_loads(payload);
         }
         else
-            status = 500;
+            status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
     }
 
     return status;
@@ -443,7 +443,7 @@ int send_to_actor(snac *snac, const char *actor, const xs_dict *msg,
                   xs_val **payload, int *p_size, int timeout)
 /* sends a message to an actor */
 {
-    int status = 400;
+    int status = HTTP_STATUS_BAD_REQUEST;
     xs *inbox = get_actor_inbox(actor);
 
     if (!xs_is_null(inbox))
@@ -1762,7 +1762,9 @@ int process_input_message(snac *snac, const xs_dict *msg, const xs_dict *req)
     a_status = actor_request(snac, actor, &actor_o);
 
     /* do not retry permanent failures */
-    if (a_status == 404 || a_status == 410 || a_status < 0) {
+    if (a_status == HTTP_STATUS_NOT_FOUND
+        || a_status == HTTP_STATUS_GONE
+        || a_status < 0) {
         srv_debug(1, xs_fmt("dropping message due to actor error %s %d", actor, a_status));
         return -1;
     }
@@ -1905,7 +1907,7 @@ int process_input_message(snac *snac, const xs_dict *msg, const xs_dict *req)
         }
         else
         if (strcmp(utype, "Announce") == 0) { /** **/
-            int status = 200;
+            int status = HTTP_STATUS_OK;
 
             /* commented out: if a followed user boosts something that
                is requested and then unboosts, the post remains here,
@@ -2015,7 +2017,7 @@ int process_input_message(snac *snac, const xs_dict *msg, const xs_dict *req)
         if (xs_type(object) == XSTYPE_DICT)
             object = xs_dict_get(object, "id");
 
-        if (timeline_admire(snac, object, actor, 1) == 201)
+        if (timeline_admire(snac, object, actor, 1) == HTTP_STATUS_CREATED)
             snac_log(snac, xs_fmt("new 'Like' %s %s", actor, object));
         else
             snac_log(snac, xs_fmt("repeated 'Like' from %s to %s", actor, object));
@@ -2046,7 +2048,7 @@ int process_input_message(snac *snac, const xs_dict *msg, const xs_dict *req)
                     xs *who_o = NULL;
 
                     if (valid_status(actor_request(snac, who, &who_o))) {
-                        if (timeline_admire(snac, object, actor, 0) == 201)
+                        if (timeline_admire(snac, object, actor, 0) == HTTP_STATUS_CREATED)
                             snac_log(snac, xs_fmt("new 'Announce' %s %s", actor, object));
                         else
                             snac_log(snac, xs_fmt("repeated 'Announce' from %s to %s",
@@ -2383,11 +2385,15 @@ void process_queue_item(xs_dict *q_item)
 
             /* if it's not the first time it fails with a timeout,
                penalize the server by skipping one retry */
-            if (p_status == status && status == 499)
+            if (p_status == status && status == HTTP_STATUS_CLIENT_CLOSED_REQUEST)
                 retries++;
 
             /* error sending; requeue? */
-            if (status == 400 || status == 404 || status == 405 || status == 410 || status < 0)
+            if (status == HTTP_STATUS_BAD_REQUEST
+                || status == HTTP_STATUS_NOT_FOUND
+                || status == HTTP_STATUS_METHOD_NOT_ALLOWED
+                || status == HTTP_STATUS_GONE
+                || status < 0)
                 /* explicit error: discard */
                 srv_log(xs_fmt("output message: fatal error %s %d", inbox, status));
             else
@@ -2574,7 +2580,7 @@ int process_queue(void)
 int activitypub_get_handler(const xs_dict *req, const char *q_path,
                             char **body, int *b_size, char **ctype)
 {
-    int status = 200;
+    int status = HTTP_STATUS_OK;
     const char *accept = xs_dict_get(req, "accept");
     snac snac;
     xs *msg = NULL;
@@ -2594,7 +2600,7 @@ int activitypub_get_handler(const xs_dict *req, const char *q_path,
     if (!user_open(&snac, uid)) {
         /* invalid user */
         srv_debug(1, xs_fmt("activitypub_get_handler bad user %s", uid));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     p_path = xs_list_get(l, 2);
@@ -2652,12 +2658,12 @@ int activitypub_get_handler(const xs_dict *req, const char *q_path,
 
         /* don't return non-public objects */
         if (valid_status(status) && !is_msg_public(msg))
-            status = 404;
+            status = HTTP_STATUS_NOT_FOUND;
     }
     else
-        status = 404;
+        status = HTTP_STATUS_NOT_FOUND;
 
-    if (status == 200 && msg != NULL) {
+    if (status == HTTP_STATUS_OK && msg != NULL) {
         *body   = xs_json_dumps(msg, 4);
         *b_size = strlen(*body);
     }
@@ -2677,7 +2683,7 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 {
     (void)b_size;
 
-    int status = 202; /* accepted */
+    int status = HTTP_STATUS_ACCEPTED;
     const char *i_ctype = xs_dict_get(req, "content-type");
     snac snac;
     const char *v;
@@ -2685,13 +2691,13 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
     if (i_ctype == NULL) {
         *body  = xs_str_new("no content-type");
         *ctype = "text/plain";
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
     }
 
     if (xs_is_null(payload)) {
         *body  = xs_str_new("no payload");
         *ctype = "text/plain";
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
     }
 
     if (xs_str_in(i_ctype, "application/activity+json") == -1 &&
@@ -2709,7 +2715,7 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 
         *body  = xs_str_new("JSON error");
         *ctype = "text/plain";
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
     }
 
     if (id && is_instance_blocked(id)) {
@@ -2717,7 +2723,7 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 
         *body  = xs_str_new("blocked");
         *ctype = "text/plain";
-        return 403;
+        return HTTP_STATUS_FORBIDDEN;
     }
 
     /* get the user and path */
@@ -2725,20 +2731,20 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 
     if (xs_list_len(l) == 2 && strcmp(xs_list_get(l, 1), "shared-inbox") == 0) {
         enqueue_shared_input(msg, req, 0);
-        return 202;
+        return HTTP_STATUS_ACCEPTED;
     }
 
     if (xs_list_len(l) != 3 || strcmp(xs_list_get(l, 2), "inbox") != 0) {
         /* strange q_path */
         srv_debug(1, xs_fmt("activitypub_post_handler unsupported path %s", q_path));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     const char *uid = xs_list_get(l, 1);
     if (!user_open(&snac, uid)) {
         /* invalid user */
         srv_debug(1, xs_fmt("activitypub_post_handler bad user %s", uid));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     /* if it has a digest, check it now, because
@@ -2752,7 +2758,7 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_str_new("bad digest");
             *ctype = "text/plain";
-            status = 400;
+            status = HTTP_STATUS_BAD_REQUEST;
         }
     }
 
@@ -2763,7 +2769,7 @@ int activitypub_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_str_new("rejected");
             *ctype = "text/plain";
-            status = 403;
+            status = HTTP_STATUS_FORBIDDEN;
         }
     }
 
diff --git a/data.c b/data.c
index edbc64f..8fdd292 100644
--- a/data.c
+++ b/data.c
@@ -355,12 +355,12 @@ int is_md5_hex(const char *md5)
 int index_add_md5(const char *fn, const char *md5)
 /* adds an md5 to an index */
 {
-    int status = 201; /* Created */
+    int status = HTTP_STATUS_CREATED;
     FILE *f;
 
     if (!is_md5_hex(md5)) {
         srv_log(xs_fmt("index_add_md5: bad md5 %s %s", fn, md5));
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
     }
 
     pthread_mutex_lock(&data_mutex);
@@ -375,7 +375,7 @@ int index_add_md5(const char *fn, const char *md5)
         fclose(f);
     }
     else
-        status = 500;
+        status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
     pthread_mutex_unlock(&data_mutex);
 
@@ -394,7 +394,7 @@ int index_add(const char *fn, const char *id)
 int index_del_md5(const char *fn, const char *md5)
 /* deletes an md5 from an index */
 {
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
     FILE *f;
 
     pthread_mutex_lock(&data_mutex);
@@ -411,7 +411,7 @@ int index_del_md5(const char *fn, const char *md5)
                    [yes: this breaks index_len()] */
                 fseek(f, -33, SEEK_CUR);
                 fwrite("-", 1, 1, f);
-                status = 200;
+                status = HTTP_STATUS_OK;
 
                 break;
             }
@@ -420,7 +420,7 @@ int index_del_md5(const char *fn, const char *md5)
         fclose(f);
     }
     else
-        status = 410;
+        status = HTTP_STATUS_GONE;
 
     pthread_mutex_unlock(&data_mutex);
 
@@ -660,7 +660,7 @@ int object_here(const char *id)
 int object_get_by_md5(const char *md5, xs_dict **obj)
 /* returns a stored object, optionally of the requested type */
 {
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
     xs *fn     = _object_fn_by_md5(md5, "object_get_by_md5");
     FILE *f;
 
@@ -669,7 +669,7 @@ int object_get_by_md5(const char *md5, xs_dict **obj)
         fclose(f);
 
         if (*obj)
-            status = 200;
+            status = HTTP_STATUS_OK;
     }
     else
         *obj = NULL;
@@ -689,7 +689,7 @@ int object_get(const char *id, xs_dict **obj)
 int _object_add(const char *id, const xs_dict *obj, int ow)
 /* stores an object */
 {
-    int status = 201; /* Created */
+    int status = HTTP_STATUS_CREATED; /* Created */
     xs *fn     = _object_fn(id);
     FILE *f;
 
@@ -697,10 +697,10 @@ int _object_add(const char *id, const xs_dict *obj, int ow)
         if (!ow) {
             /* object already here */
             srv_debug(1, xs_fmt("object_add object already here %s", id));
-            return 204; /* No content */
+            return HTTP_STATUS_NO_CONTENT;
         }
         else
-            status = 200;
+            status = HTTP_STATUS_OK;
     }
 
     if ((f = fopen(fn, "w")) != NULL) {
@@ -736,7 +736,7 @@ int _object_add(const char *id, const xs_dict *obj, int ow)
     }
     else {
         srv_log(xs_fmt("object_add error writing %s (errno: %d)", fn, errno));
-        status = 500;
+        status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
     }
 
     srv_debug(1, xs_fmt("object_add %s %s %d", id, fn, status));
@@ -762,11 +762,11 @@ int object_add_ow(const char *id, const xs_dict *obj)
 int object_del_by_md5(const char *md5)
 /* deletes an object by its md5 */
 {
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
     xs *fn     = _object_fn_by_md5(md5, "object_del_by_md5");
 
     if (unlink(fn) != -1) {
-        status = 200;
+        status = HTTP_STATUS_OK;
 
         /* also delete associated indexes */
         xs *spec  = xs_dup(fn);
@@ -907,7 +907,7 @@ int object_parent(const char *md5, char *buf, int size)
 int object_admire(const char *id, const char *actor, int like)
 /* actor likes or announces this object */
 {
-    int status = 200;
+    int status = HTTP_STATUS_OK;
     xs *fn     = _object_fn(id);
 
     fn = xs_replace_i(fn, ".json", like ? "_l.idx" : "_a.idx");
@@ -1007,7 +1007,7 @@ int follower_add(snac *snac, const char *actor)
 
     snac_debug(snac, 2, xs_fmt("follower_add %s", actor));
 
-    return ret == -1 ? 500 : 200;
+    return ret == -1 ? HTTP_STATUS_INTERNAL_SERVER_ERROR : HTTP_STATUS_OK;
 }
 
 
@@ -1018,7 +1018,7 @@ int follower_del(snac *snac, const char *actor)
 
     snac_debug(snac, 2, xs_fmt("follower_del %s", actor));
 
-    return ret == -1 ? 404 : 200;
+    return ret == -1 ? HTTP_STATUS_NOT_FOUND : HTTP_STATUS_OK;
 }
 
 
@@ -1109,7 +1109,7 @@ int timeline_here(snac *snac, const char *md5)
 int timeline_get_by_md5(snac *snac, const char *md5, xs_dict **msg)
 /* gets a message from the timeline */
 {
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
     FILE *f    = NULL;
 
     xs *fn = timeline_fn_by_md5(snac, md5);
@@ -1119,7 +1119,7 @@ int timeline_get_by_md5(snac *snac, const char *md5, xs_dict **msg)
         fclose(f);
 
         if (*msg != NULL)
-            status = 200;
+            status = HTTP_STATUS_OK;
     }
 
     return status;
@@ -1282,7 +1282,7 @@ xs_str *_following_fn(snac *snac, const char *actor)
 int following_add(snac *snac, const char *actor, const xs_dict *msg)
 /* adds to the following list */
 {
-    int ret = 201; /* created */
+    int ret = HTTP_STATUS_CREATED;
     xs *fn = _following_fn(snac, actor);
     FILE *f;
     xs *p_object = NULL;
@@ -1295,7 +1295,7 @@ int following_add(snac *snac, const char *actor, const xs_dict *msg)
 
         if (!xs_is_null(type) && strcmp(type, "Accept") == 0) {
             snac_debug(snac, 1, xs_fmt("following_add actor already confirmed %s", actor));
-            return 200;
+            return HTTP_STATUS_OK;
         }
     }
 
@@ -1311,7 +1311,7 @@ int following_add(snac *snac, const char *actor, const xs_dict *msg)
         link(actor_fn, fn);
     }
     else
-        ret = 500;
+        ret = HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
     snac_debug(snac, 2, xs_fmt("following_add %s %s", actor, fn));
 
@@ -1332,7 +1332,7 @@ int following_del(snac *snac, const char *actor)
     fn = xs_replace_i(fn, ".json", "_a.json");
     unlink(fn);
 
-    return 200;
+    return HTTP_STATUS_OK;
 }
 
 
@@ -1350,14 +1350,14 @@ int following_get(snac *snac, const char *actor, xs_dict **data)
 {
     xs *fn = _following_fn(snac, actor);
     FILE *f;
-    int status = 200;
+    int status = HTTP_STATUS_OK;
 
     if ((f = fopen(fn, "r")) != NULL) {
         *data = xs_json_load(f);
         fclose(f);
     }
     else
-        status = 404;
+        status = HTTP_STATUS_NOT_FOUND;
 
     return status;
 }
@@ -1576,7 +1576,7 @@ int actor_add(const char *actor, const xs_dict *msg)
 int actor_get(const char *actor, xs_dict **data)
 /* returns an already downloaded actor */
 {
-    int status = 200;
+    int status = HTTP_STATUS_OK;
     xs_dict *d = NULL;
 
     if (xs_startswith(actor, srv_baseurl)) {
@@ -1590,10 +1590,10 @@ int actor_get(const char *actor, xs_dict **data)
                 *data = msg_actor(&user);
 
             user_free(&user);
-            return 200;
+            return HTTP_STATUS_OK;
         }
         else
-            return 404;
+            return HTTP_STATUS_NOT_FOUND;
     }
 
     /* read the object */
@@ -1606,7 +1606,7 @@ int actor_get(const char *actor, xs_dict **data)
     if (xs_is_null(xs_dict_get(d, "id")) || xs_is_null(xs_dict_get(d, "type"))) {
         srv_debug(1, xs_fmt("corrupted actor object %s", actor));
         d = xs_free(d);
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     if (data)
@@ -1622,7 +1622,7 @@ int actor_get(const char *actor, xs_dict **data)
 
     if (mtime(fn) + max_time < (double) time(NULL)) {
         /* actor data exists but also stinks */
-        status = 205; /* "205: Reset Content" "110: Response Is Stale" */
+        status = HTTP_STATUS_RESET_CONTENT; /* "110: Response Is Stale" */
     }
 
     return status;
@@ -1634,7 +1634,7 @@ int actor_get_refresh(snac *user, const char *actor, xs_dict **data)
 {
     int status = actor_get(actor, data);
 
-    if (status == 205 && user && !xs_startswith(actor, srv_baseurl))
+    if (status == HTTP_STATUS_RESET_CONTENT && user && !xs_startswith(actor, srv_baseurl))
         enqueue_actor_refresh(user, actor, 0);
 
     return status;
@@ -1953,7 +1953,7 @@ static int _load_raw_file(const char *fn, xs_val **data, int *size,
                         const char *inm, xs_str **etag)
 /* loads a cached file */
 {
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
 
     if (fn) {
         double tm = mtime(fn);
@@ -1965,7 +1965,7 @@ static int _load_raw_file(const char *fn, xs_val **data, int *size,
             /* if if-none-match is set, check if it's the same */
             if (!xs_is_null(inm) && strcmp(e, inm) == 0) {
                 /* client has the newest version */
-                status = 304;
+                status = HTTP_STATUS_NOT_MODIFIED;
             }
             else {
                 /* newer or never downloaded; read the full file */
@@ -1976,7 +1976,7 @@ static int _load_raw_file(const char *fn, xs_val **data, int *size,
                     *data = xs_read(f, size);
                     fclose(f);
 
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
 
diff --git a/html.c b/html.c
index 4522050..1840799 100644
--- a/html.c
+++ b/html.c
@@ -2540,7 +2540,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
                      char **body, int *b_size, char **ctype, xs_str **etag)
 {
     const char *accept = xs_dict_get(req, "accept");
-    int status = 404;
+    int status = HTTP_STATUS_NOT_FOUND;
     snac snac;
     xs *uid = NULL;
     const char *p_path;
@@ -2553,7 +2553,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 
     if (xs_is_null(v)) {
         srv_log(xs_fmt("html_get_handler bad query '%s'", q_path));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     uid = xs_dup(v);
@@ -2569,7 +2569,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     if (!uid || !user_open(&snac, uid)) {
         /* invalid user */
         srv_debug(1, xs_fmt("html_get_handler bad user %s", uid));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     /* return the RSS if requested by Accept header */
@@ -2598,7 +2598,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
             /** empty public timeline for private users **/
             *body = html_timeline(&snac, NULL, 1, 0, 0, 0, NULL, "", 1);
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
         }
         else
         if (cache && history_mtime(&snac, h) > timeline_mtime(&snac)) {
@@ -2617,7 +2617,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
             *body = html_timeline(&snac, pins, 1, skip, show, xs_list_len(next), NULL, "", 1);
 
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
 
             if (save)
                 history_add(&snac, h, *body, *b_size, etag);
@@ -2627,7 +2627,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     if (strcmp(p_path, "admin") == 0) { /** private timeline **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             const char *q = xs_dict_get(q_vars, "q");
@@ -2649,7 +2649,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 
                     *body = html_timeline(&snac, tl, 0, skip, show, more, title, page, 0);
                     *b_size = strlen(*body);
-                    status  = 200;
+                    status  = HTTP_STATUS_OK;
                 }
                 else {
                     /** search by content **/
@@ -2670,7 +2670,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 
                     *body   = html_timeline(&snac, tl, 0, skip, tl_len, to || tl_len == show, title, page, 0);
                     *b_size = strlen(*body);
-                    status  = 200;
+                    status  = HTTP_STATUS_OK;
                 }
             }
             else {
@@ -2699,7 +2699,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
                             xs_list_len(next), NULL, "/admin", 1);
 
                     *b_size = strlen(*body);
-                    status  = 200;
+                    status  = HTTP_STATUS_OK;
 
                     if (save)
                         history_add(&snac, "timeline.html_", *body, *b_size, etag);
@@ -2711,7 +2711,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     if (xs_startswith(p_path, "admin/p/")) { /** unique post by md5 **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             xs *l = xs_split(p_path, "/");
@@ -2722,7 +2722,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 
                 *body   = html_timeline(&snac, list, 0, 0, 0, 0, NULL, "/admin", 1);
                 *b_size = strlen(*body);
-                status  = 200;
+                status  = HTTP_STATUS_OK;
             }
         }
     }
@@ -2730,31 +2730,31 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     if (strcmp(p_path, "people") == 0) { /** the list of people **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             *body   = html_people(&snac);
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
         }
     }
     else
     if (strcmp(p_path, "notifications") == 0) { /** the list of notifications **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             *body   = html_notifications(&snac, skip, show);
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
         }
     }
     else
     if (strcmp(p_path, "instance") == 0) { /** instance timeline **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             xs *list = timeline_instance_list(skip, show);
@@ -2763,14 +2763,14 @@ int html_get_handler(const xs_dict *req, const char *q_path,
             *body = html_timeline(&snac, list, 0, skip, show,
                 xs_list_len(next), L("Showing instance timeline"), "/instance", 0);
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
         }
     }
     else
     if (xs_startswith(p_path, "list/")) { /** list timelines **/
         if (!login(&snac, req)) {
             *body  = xs_dup(uid);
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
         else {
             xs *l = xs_split(p_path, "/");
@@ -2787,14 +2787,14 @@ int html_get_handler(const xs_dict *req, const char *q_path,
                 *body = html_timeline(&snac, list, 0, skip, show,
                     xs_list_len(next), title, base, 1);
                 *b_size = strlen(*body);
-                status  = 200;
+                status  = HTTP_STATUS_OK;
             }
         }
     }
     else
     if (xs_startswith(p_path, "p/")) { /** a timeline with just one entry **/
         if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
-            return 403;
+            return HTTP_STATUS_FORBIDDEN;
 
         xs *id  = xs_fmt("%s/%s", snac.actor, p_path);
         xs *msg = NULL;
@@ -2807,7 +2807,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 
             *body   = html_timeline(&snac, list, 1, 0, 0, 0, NULL, "", 1);
             *b_size = strlen(*body);
-            status  = 200;
+            status  = HTTP_STATUS_OK;
         }
     }
     else
@@ -2829,10 +2829,10 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     else
     if (xs_startswith(p_path, "h/")) { /** an entry from the history **/
         if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
-            return 403;
+            return HTTP_STATUS_FORBIDDEN;
 
         if (xs_type(xs_dict_get(srv_config, "disable_history")) == XSTYPE_TRUE)
-            return 403;
+            return HTTP_STATUS_FORBIDDEN;
 
         xs *l = xs_split(p_path, "/");
         const char *id = xs_list_get(l, 1);
@@ -2841,7 +2841,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
             if (xs_endswith(id, "timeline.html_")) {
                 /* Don't let them in */
                 *b_size = 0;
-                status = 404;
+                status = HTTP_STATUS_NOT_FOUND;
             }
             else
                 status = history_get(&snac, id, body, b_size,
@@ -2851,7 +2851,7 @@ int html_get_handler(const xs_dict *req, const char *q_path,
     else
     if (strcmp(p_path, ".rss") == 0) { /** public timeline in RSS format **/
         if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
-            return 403;
+            return HTTP_STATUS_FORBIDDEN;
 
         xs *elems = timeline_simple_list(&snac, "public", 0, 20);
         xs *bio   = not_really_markdown(xs_dict_get(snac.config, "bio"), NULL, NULL);
@@ -2865,12 +2865,12 @@ int html_get_handler(const xs_dict *req, const char *q_path,
         *body   = timeline_to_rss(&snac, elems, rss_title, rss_link, bio);
         *b_size = strlen(*body);
         *ctype  = "application/rss+xml; charset=utf-8";
-        status  = 200;
+        status  = HTTP_STATUS_OK;
 
         snac_debug(&snac, 1, xs_fmt("serving RSS"));
     }
     else
-        status = 404;
+        status = HTTP_STATUS_NOT_FOUND;
 
     user_free(&snac);
 
@@ -2901,7 +2901,7 @@ int html_post_handler(const xs_dict *req, const char *q_path,
     if (!uid || !user_open(&snac, uid)) {
         /* invalid user */
         srv_debug(1, xs_fmt("html_post_handler bad user %s", uid));
-        return 404;
+        return HTTP_STATUS_NOT_FOUND;
     }
 
     p_path = xs_list_get(l, 2);
@@ -2910,7 +2910,7 @@ int html_post_handler(const xs_dict *req, const char *q_path,
     if (!login(&snac, req)) {
         user_free(&snac);
         *body  = xs_dup(uid);
-        return 401;
+        return HTTP_STATUS_UNAUTHORIZED;
     }
 
     p_vars = xs_dict_get(req, "p_vars");
@@ -3049,7 +3049,7 @@ int html_post_handler(const xs_dict *req, const char *q_path,
             history_del(&snac, "timeline.html_");
         }
 
-        status = 303;
+        status = HTTP_STATUS_SEE_OTHER;
     }
     else
     if (p_path && strcmp(p_path, "admin/action") == 0) { /** **/
@@ -3060,11 +3060,11 @@ int html_post_handler(const xs_dict *req, const char *q_path,
         const char *group  = xs_dict_get(p_vars, "group");
 
         if (action == NULL)
-            return 404;
+            return HTTP_STATUS_NOT_FOUND;
 
         snac_debug(&snac, 1, xs_fmt("web action '%s' received", action));
 
-        status = 303;
+        status = HTTP_STATUS_SEE_OTHER;
 
         if (strcmp(action, L("Like")) == 0) { /** **/
             xs *msg = msg_admiration(&snac, id, "Like");
@@ -3216,10 +3216,10 @@ int html_post_handler(const xs_dict *req, const char *q_path,
             timeline_touch(&snac);
         }
         else
-            status = 404;
+            status = HTTP_STATUS_NOT_FOUND;
 
         /* delete the cached timeline */
-        if (status == 303)
+        if (status == HTTP_STATUS_SEE_OTHER)
             history_del(&snac, "timeline.html_");
     }
     else
@@ -3356,14 +3356,14 @@ int html_post_handler(const xs_dict *req, const char *q_path,
 
         enqueue_verify_links(&snac);
 
-        status = 303;
+        status = HTTP_STATUS_SEE_OTHER;
     }
     else
     if (p_path && strcmp(p_path, "admin/clear-notifications") == 0) { /** **/
         notify_clear(&snac);
         timeline_touch(&snac);
 
-        status = 303;
+        status = HTTP_STATUS_SEE_OTHER;
     }
     else
     if (p_path && strcmp(p_path, "admin/vote") == 0) { /** **/
@@ -3416,10 +3416,10 @@ int html_post_handler(const xs_dict *req, const char *q_path,
             }
         }
 
-        status = 303;
+        status = HTTP_STATUS_SEE_OTHER;
     }
 
-    if (status == 303) {
+    if (status == HTTP_STATUS_SEE_OTHER) {
         const char *redir = xs_dict_get(p_vars, "redir");
 
         if (xs_is_null(redir))
diff --git a/httpd.c b/httpd.c
index a7396e8..60afe28 100644
--- a/httpd.c
+++ b/httpd.c
@@ -217,17 +217,17 @@ int server_get_handler(xs_dict *req, const char *q_path,
             *body = greeting_html();
 
         if (*body)
-            status = 200;
+            status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(q_path, "/susie.png") == 0 || strcmp(q_path, "/favicon.ico") == 0 ) {
-        status = 200;
+        status = HTTP_STATUS_OK;
         *body  = xs_base64_dec(default_avatar_base64(), b_size);
         *ctype = "image/png";
     }
     else
     if (strcmp(q_path, "/.well-known/nodeinfo") == 0) {
-        status = 200;
+        status = HTTP_STATUS_OK;
         *ctype = "application/json; charset=utf-8";
         *body  = xs_fmt("{\"links\":["
             "{\"rel\":\"http:/" "/nodeinfo.diaspora.software/ns/schema/2.0\","
@@ -236,7 +236,7 @@ int server_get_handler(xs_dict *req, const char *q_path,
     }
     else
     if (strcmp(q_path, "/.well-known/host-meta") == 0) {
-        status = 200;
+        status = HTTP_STATUS_OK;
         *ctype = "application/xrd+xml";
         *body  = xs_fmt("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
                 "<XRD>"
@@ -245,13 +245,13 @@ int server_get_handler(xs_dict *req, const char *q_path,
     }
     else
     if (strcmp(q_path, "/nodeinfo_2_0") == 0) {
-        status = 200;
+        status = HTTP_STATUS_OK;
         *ctype = "application/json; charset=utf-8";
         *body  = nodeinfo_2_0();
     }
     else
     if (strcmp(q_path, "/robots.txt") == 0) {
-        status = 200;
+        status = HTTP_STATUS_OK;
         *ctype = "text/plain";
         *body  = xs_str_new("User-agent: *\n"
                             "Disallow: /\n");
@@ -363,7 +363,7 @@ void httpd_connection(FILE *f)
     }
     else
     if (strcmp(method, "OPTIONS") == 0) {
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(method, "DELETE") == 0) {
@@ -378,22 +378,22 @@ void httpd_connection(FILE *f)
     if (status == 0) {
         srv_archive_error("unattended_method", "unattended method", req, payload);
         srv_debug(1, xs_fmt("httpd_connection unattended %s %s", method, q_path));
-        status = 404;
+        status = HTTP_STATUS_NOT_FOUND;
     }
 
-    if (status == 403)
+    if (status == HTTP_STATUS_FORBIDDEN)
         body = xs_str_new("<h1>403 Forbidden</h1>");
 
-    if (status == 404)
+    if (status == HTTP_STATUS_NOT_FOUND)
         body = xs_str_new("<h1>404 Not Found</h1>");
 
-    if (status == 400 && body != NULL)
+    if (status == HTTP_STATUS_BAD_REQUEST && body != NULL)
         body = xs_str_new("<h1>400 Bad Request</h1>");
 
-    if (status == 303)
+    if (status == HTTP_STATUS_SEE_OTHER)
         headers = xs_dict_append(headers, "location", body);
 
-    if (status == 401) {
+    if (status == HTTP_STATUS_UNAUTHORIZED) {
         xs *www_auth = xs_fmt("Basic realm=\"@%s@%s snac login\"",
                                 body, xs_dict_get(srv_config, "host"));
 
diff --git a/mastoapi.c b/mastoapi.c
index 3936c2a..8a54230 100644
--- a/mastoapi.c
+++ b/mastoapi.c
@@ -32,9 +32,9 @@ int app_add(const char *id, const xs_dict *app)
 /* stores an app */
 {
     if (!xs_is_hex(id))
-        return 500;
+        return HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
-    int status = 201;
+    int status = HTTP_STATUS_CREATED;
     xs *fn     = xs_fmt("%s/app/", srv_basedir);
     FILE *f;
 
@@ -47,7 +47,7 @@ int app_add(const char *id, const xs_dict *app)
         fclose(f);
     }
     else
-        status = 500;
+        status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
     return status;
 }
@@ -95,9 +95,9 @@ int token_add(const char *id, const xs_dict *token)
 /* stores a token */
 {
     if (!xs_is_hex(id))
-        return 500;
+        return HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
-    int status = 201;
+    int status = HTTP_STATUS_CREATED;
     xs *fn     = xs_fmt("%s/token/", srv_basedir);
     FILE *f;
 
@@ -110,7 +110,7 @@ int token_add(const char *id, const xs_dict *token)
         fclose(f);
     }
     else
-        status = 500;
+        status = HTTP_STATUS_INTERNAL_SERVER_ERROR;
 
     return status;
 }
@@ -174,7 +174,7 @@ int oauth_get_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/oauth/"))
         return 0;
 
-    int status   = 404;
+    int status   = HTTP_STATUS_NOT_FOUND;
     const xs_dict *msg = xs_dict_get(req, "q_vars");
     xs *cmd      = xs_replace_n(q_path, "/oauth", "", 1);
 
@@ -186,7 +186,7 @@ int oauth_get_handler(const xs_dict *req, const char *q_path,
         const char *rtype = xs_dict_get(msg, "response_type");
         const char *state = xs_dict_get(msg, "state");
 
-        status = 400;
+        status = HTTP_STATUS_BAD_REQUEST;
 
         if (cid && ruri && rtype && strcmp(rtype, "code") == 0) {
             xs *app = app_get(cid);
@@ -201,7 +201,7 @@ int oauth_get_handler(const xs_dict *req, const char *q_path,
                 *body  = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-login",
                                 ruri, cid, state, USER_AGENT);
                 *ctype = "text/html";
-                status = 200;
+                status = HTTP_STATUS_OK;
 
                 srv_debug(1, xs_fmt("oauth authorize: generating login page"));
             }
@@ -219,7 +219,7 @@ int oauth_get_handler(const xs_dict *req, const char *q_path,
         *body  = xs_fmt(login_page, host, host, "", proto, host, "oauth/x-snac-get-token",
                         "", "", "", USER_AGENT);
         *ctype = "text/html";
-        status = 200;
+        status = HTTP_STATUS_OK;
 
     }
 
@@ -237,7 +237,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/oauth/"))
         return 0;
 
-    int status   = 404;
+    int status   = HTTP_STATUS_NOT_FOUND;
 
     const char *i_ctype = xs_dict_get(req, "content-type");
     xs *args      = NULL;
@@ -255,7 +255,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
         args = xs_dup(xs_dict_get(req, "p_vars"));
 
     if (args == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     xs *cmd = xs_replace_n(q_path, "/oauth", "", 1);
 
@@ -274,7 +274,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
         *body  = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-login",
                         redir, cid, state, USER_AGENT);
         *ctype = "text/html";
-        status = 200;
+        status = HTTP_STATUS_OK;
 
         if (login && passwd && redir && cid) {
             snac snac;
@@ -296,7 +296,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
                         else
                             *body = xs_fmt("%s?code=%s", redir, code);
 
-                        status = 303;
+                        status = HTTP_STATUS_SEE_OTHER;
                     }
 
                     /* if there is a state, add it */
@@ -375,12 +375,12 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
             xs *app = app_get(cid);
 
             if (app == NULL) {
-                status = 401;
+                status = HTTP_STATUS_UNAUTHORIZED;
                 srv_log(xs_fmt("oauth token: invalid app %s", cid));
             }
             else
             if (strcmp(csec, xs_dict_get(app, "client_secret")) != 0) {
-                status = 401;
+                status = HTTP_STATUS_UNAUTHORIZED;
                 srv_log(xs_fmt("oauth token: invalid client_secret for app %s", cid));
             }
             else {
@@ -397,7 +397,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
 
                 *body  = xs_json_dumps(rsp, 4);
                 *ctype = "application/json";
-                status = 200;
+                status = HTTP_STATUS_OK;
 
                 const char *uid = xs_dict_get(app, "uid");
 
@@ -416,7 +416,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
         }
         else {
             srv_debug(1, xs_fmt("oauth token: invalid or unset arguments"));
-            status = 400;
+            status = HTTP_STATUS_BAD_REQUEST;
         }
     }
     else
@@ -433,12 +433,12 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
 
             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;
+                status = HTTP_STATUS_FORBIDDEN;
             }
             else {
                 token_del(tokid);
                 srv_debug(1, xs_fmt("oauth revoke: revoked token %s", tokid));
-                status = 200;
+                status = HTTP_STATUS_OK;
 
                 /* also delete the app, as it serves no purpose from now on */
                 app_del(cid);
@@ -446,7 +446,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
         }
         else {
             srv_debug(1, xs_fmt("oauth revoke: invalid or unset arguments"));
-            status = 403;
+            status = HTTP_STATUS_FORBIDDEN;
         }
     }
     if (strcmp(cmd, "/x-snac-get-token") == 0) { /** **/
@@ -459,7 +459,7 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
         *body  = xs_fmt(login_page, host, host, "LOGIN INCORRECT", proto, host, "oauth/x-snac-get-token",
                         "", "", "", USER_AGENT);
         *ctype = "text/html";
-        status = 200;
+        status = HTTP_STATUS_OK;
 
         if (login && passwd) {
             snac user;
@@ -1159,7 +1159,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
         return 0;
 
-    int status    = 404;
+    int status    = HTTP_STATUS_NOT_FOUND;
     const xs_dict *args = xs_dict_get(req, "q_vars");
     xs *cmd       = xs_replace_n(q_path, "/api", "", 1);
 
@@ -1249,10 +1249,10 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(acct, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else {
-            status = 422;   // "Unprocessable entity" (no login)
+            status = HTTP_STATUS_UNPROCESSABLE_CONTENT; // (no login)
         }
     }
     else
@@ -1279,10 +1279,10 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(res, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 422;
+            status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
     }
     else
     if (strcmp(cmd, "/v1/accounts/lookup") == 0) { /** **/
@@ -1304,7 +1304,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
                     *body  = xs_json_dumps(macct, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
 
                     user_free(&user);
                 }
@@ -1450,7 +1450,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
             if (out != NULL) {
                 *body  = xs_json_dumps(out, 4);
                 *ctype = "application/json";
-                status = 200;
+                status = HTTP_STATUS_OK;
             }
         }
     }
@@ -1554,12 +1554,12 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(out, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
 
             srv_debug(2, xs_fmt("mastoapi timeline: returned %d entries", xs_list_len(out)));
         }
         else {
-            status = 401; // unauthorized
+            status = HTTP_STATUS_UNAUTHORIZED;
         }
     }
     else
@@ -1612,7 +1612,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
         *body  = xs_json_dumps(out, 4);
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (xs_startswith(cmd, "/v1/timelines/tag/")) { /** **/
@@ -1661,7 +1661,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
         *body  = xs_json_dumps(out, 4);
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (xs_startswith(cmd, "/v1/timelines/list/")) { /** **/
@@ -1729,17 +1729,17 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(out, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 421;
+            status = HTTP_STATUS_MISDIRECTED_REQUEST;
     }
     else
     if (strcmp(cmd, "/v1/conversations") == 0) { /** **/
         /* TBD */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/notifications") == 0) { /** **/
@@ -1817,17 +1817,17 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(out, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/filters") == 0) { /** **/
         /* snac will never have filters */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v2/filters") == 0) { /** **/
@@ -1836,21 +1836,21 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
          * in some apps */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/favourites") == 0) { /** **/
         /* snac will never support a list of favourites */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/bookmarks") == 0) { /** **/
         /* snac does not support bookmarks */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/lists") == 0) { /** list of lists **/
@@ -1873,7 +1873,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(l, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
     }
     else
@@ -1903,7 +1903,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
                         *body  = xs_json_dumps(out, 4);
                         *ctype = "application/json";
-                        status = 200;
+                        status = HTTP_STATUS_OK;
                     }
                 }
                 else
@@ -1931,7 +1931,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
                     *body  = xs_json_dumps(out, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
@@ -1941,28 +1941,28 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
         /* snac does not schedule notes */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/follow_requests") == 0) { /** **/
         /* snac does not support optional follow confirmations */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/announcements") == 0) { /** **/
         /* snac has no announcements (yet?) */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/custom_emojis") == 0) { /** **/
         /* are you kidding me? */
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/instance") == 0) { /** **/
@@ -2075,7 +2075,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
         *body  = xs_json_dumps(ins, 4);
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (xs_startswith(cmd, "/v1/statuses/")) { /** **/
@@ -2188,30 +2188,30 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
                 if (out != NULL) {
                     *body  = xs_json_dumps(out, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/preferences") == 0) { /** **/
         *body  = xs_dup("{}");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/markers") == 0) { /** **/
         *body  = xs_dup("{}");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v1/followed_tags") == 0) { /** **/
         *body  = xs_dup("[]");
         *ctype = "application/json";
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (strcmp(cmd, "/v2/search") == 0) { /** **/
@@ -2290,10 +2290,10 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(res, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
 
     /* user cleanup */
@@ -2316,7 +2316,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
         return 0;
 
-    int status    = 404;
+    int status    = HTTP_STATUS_NOT_FOUND;
     xs *args      = NULL;
     const char *i_ctype = xs_dict_get(req, "content-type");
 
@@ -2336,7 +2336,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
         args = xs_dup(xs_dict_get(req, "p_vars"));
 
     if (args == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     xs *cmd = xs_replace_n(q_path, "/api", "", 1);
 
@@ -2378,7 +2378,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(app, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
 
             app = xs_dict_append(app, "code", "");
 
@@ -2470,10 +2470,10 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(st, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (xs_startswith(cmd, "/v1/statuses")) { /** **/
@@ -2552,7 +2552,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
                         if (pin(&snac, id))
                             out = mastoapi_status(&snac, msg);
                         else
-                            status = 422;
+                            status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
                     }
                     else
                     if (strcmp(op, "unpin") == 0) { /** **/
@@ -2573,12 +2573,12 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
                 if (out != NULL) {
                     *body  = xs_json_dumps(out, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/notifications/clear") == 0) { /** **/
@@ -2588,10 +2588,10 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_dup("{}");
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/push/subscription") == 0) { /** **/
@@ -2616,10 +2616,10 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
 
             *body  = xs_json_dumps(wpush, 4);
             *ctype = "application/json";
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/media") == 0 || strcmp(cmd, "/v2/media") == 0) { /** **/
@@ -2630,7 +2630,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
             if (xs_is_null(desc))
                 desc = "";
 
-            status = 400;
+            status = HTTP_STATUS_BAD_REQUEST;
 
             if (xs_type(file) == XSTYPE_LIST) {
                 const char *fn = xs_list_get(file, 0);
@@ -2659,12 +2659,12 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
 
                     *body  = xs_json_dumps(rsp, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (xs_startswith(cmd, "/v1/accounts")) { /** **/
@@ -2744,11 +2744,11 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
             if (rsp != NULL) {
                 *body  = xs_json_dumps(rsp, 4);
                 *ctype = "application/json";
-                status = 200;
+                status = HTTP_STATUS_OK;
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (xs_startswith(cmd, "/v1/polls")) { /** **/
@@ -2810,12 +2810,12 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
                 if (out != NULL) {
                     *body  = xs_json_dumps(out, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (strcmp(cmd, "/v1/lists") == 0) {
@@ -2831,18 +2831,18 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
                     out = xs_dict_append(out, "replies_policy", xs_dict_get_def(args, "replies_policy", "list"));
                     out = xs_dict_append(out, "exclusive", xs_stock(XSTYPE_FALSE));
 
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
                 else {
                     out = xs_dict_append(out, "error", "cannot create list");
-                    status = 422;
+                    status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
                 }
 
                 *body  = xs_json_dumps(out, 4);
                 *ctype = "application/json";
             }
             else
-                status = 422;
+                status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
         }
     }
     if (xs_startswith(cmd, "/v1/lists/")) { /** list maintenance **/
@@ -2861,12 +2861,12 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
                         list_content(&snac, id, v, 1);
                     }
 
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 422;
+            status = HTTP_STATUS_UNPROCESSABLE_CONTENT;
     }
 
     /* user cleanup */
@@ -2891,7 +2891,7 @@ int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
         return 0;
 
-    int status    = 404;
+    int status    = HTTP_STATUS_NOT_FOUND;
     xs *args      = NULL;
     const char *i_ctype = xs_dict_get(req, "content-type");
 
@@ -2911,7 +2911,7 @@ int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
         args = xs_dup(xs_dict_get(req, "p_vars"));
 
     if (args == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     snac snac = {0};
     int logged_in = process_auth_token(&snac, req);
@@ -2920,7 +2920,7 @@ int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
 
     if (xs_startswith(cmd, "/v1/push/subscription") || xs_startswith(cmd, "/v2/push/subscription")) { /** **/
         // pretend we deleted it, since it doesn't exist anyway
-        status = 200;
+        status = HTTP_STATUS_OK;
     }
     else
     if (xs_startswith(cmd, "/v1/lists/")) {
@@ -2948,10 +2948,10 @@ int mastoapi_delete_handler(const xs_dict *req, const char *q_path,
                 }
             }
 
-            status = 200;
+            status = HTTP_STATUS_OK;
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
 
     /* user cleanup */
@@ -2974,7 +2974,7 @@ int mastoapi_put_handler(const xs_dict *req, const char *q_path,
     if (!xs_startswith(q_path, "/api/v1/") && !xs_startswith(q_path, "/api/v2/"))
         return 0;
 
-    int status    = 404;
+    int status    = HTTP_STATUS_NOT_FOUND;
     xs *args      = NULL;
     const char *i_ctype = xs_dict_get(req, "content-type");
 
@@ -2986,7 +2986,7 @@ int mastoapi_put_handler(const xs_dict *req, const char *q_path,
         args = xs_dup(xs_dict_get(req, "p_vars"));
 
     if (args == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     xs *cmd = xs_replace_n(q_path, "/api", "", 1);
 
@@ -3017,11 +3017,11 @@ int mastoapi_put_handler(const xs_dict *req, const char *q_path,
 
                 *body  = xs_json_dumps(rsp, 4);
                 *ctype = "application/json";
-                status = 200;
+                status = HTTP_STATUS_OK;
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
     else
     if (xs_startswith(cmd, "/v1/statuses")) {
@@ -3060,12 +3060,12 @@ int mastoapi_put_handler(const xs_dict *req, const char *q_path,
                 if (rsp != NULL) {
                     *body  = xs_json_dumps(rsp, 4);
                     *ctype = "application/json";
-                    status = 200;
+                    status = HTTP_STATUS_OK;
                 }
             }
         }
         else
-            status = 401;
+            status = HTTP_STATUS_UNAUTHORIZED;
     }
 
     /* user cleanup */
diff --git a/snac.h b/snac.h
index 79e144a..d79f3ea 100644
--- a/snac.h
+++ b/snac.h
@@ -361,3 +361,53 @@ int mastoapi_put_handler(const xs_dict *req, const char *q_path,
 void mastoapi_purge(void);
 
 void verify_links(snac *user);
+
+/* HTTP responses RFC 9110 plus some extensions */
+
+typedef enum {
+    HTTP_STATUS_CONTINUE                      = 100,
+    HTTP_STATUS_SWITCHTING_PROTOCOLS          = 101,
+    HTTP_STATUS_PROCESSING                    = 102,
+    HTTP_STATUS_EARLY_HINTS                   = 103,
+    HTTP_STATUS_OK                            = 200,
+    HTTP_STATUS_CREATED                       = 201,
+    HTTP_STATUS_ACCEPTED                      = 202,
+    HTTP_STATUS_NON_AUTHORITATIVE_INFORMATION = 203,
+    HTTP_STATUS_NO_CONTENT                    = 204,
+    HTTP_STATUS_RESET_CONTENT                 = 205,
+    HTTP_STATUS_PARTIAL_CONTENT               = 206,
+    HTTP_STATUS_MULTI_STATUS                  = 207,
+    HTTP_STATUS_ALREADY_REPORTED              = 208,
+    HTTP_STATUS_THIS_IS_FINE                  = 218,
+    HTTP_STATUS_IM_USED                       = 226,
+    HTTP_STATUS_MULTIPLE_CHOICES              = 300,
+    HTTP_STATUS_MOVED_PERMANENTLY             = 301,
+    HTTP_STATUS_FOUND                         = 302,
+    HTTP_STATUS_SEE_OTHER                     = 303,
+    HTTP_STATUS_NOT_MODIFIED                  = 304,
+    HTTP_STATUS_USE_PROXY                     = 305,
+    HTTP_STATUS_SWITCH_PROXY                  = 306,
+    HTTP_STATUS_TEMPORARY_REDIRECT            = 307,
+    HTTP_STATUS_PERMANENT_REDIRECT            = 308,
+    HTTP_STATUS_BAD_REQUEST                   = 400,
+    HTTP_STATUS_UNAUTHORIZED                  = 401,
+    HTTP_STATUS_PAYMENT_REQUIRED              = 402,
+    HTTP_STATUS_FORBIDDEN                     = 403,
+    HTTP_STATUS_NOT_FOUND                     = 404,
+    HTTP_STATUS_METHOD_NOT_ALLOWED            = 405,
+    HTTP_STATUS_NOT_ACCEPTABLE                = 406,
+    HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED = 407,
+    HTTP_STATUS_REQUEST_TIMEOUT               = 408,
+    HTTP_STATUS_CONFLICT                      = 409,
+    HTTP_STATUS_GONE                          = 410,
+    HTTP_STATUS_MISDIRECTED_REQUEST           = 421,
+    HTTP_STATUS_UNPROCESSABLE_CONTENT         = 422,
+    HTTP_STATUS_CLIENT_CLOSED_REQUEST         = 499,
+    HTTP_STATUS_INTERNAL_SERVER_ERROR         = 500,
+    HTTP_STATUS_NOT_IMPLEMENTED               = 501,
+    HTTP_STATUS_BAD_GATEWAY                   = 502,
+    HTTP_STATUS_SERVICE_UNAVAILABLE           = 503,
+    HTTP_STATUS_GATEWAY_TIMEOUT               = 504,
+    HTTP_STATUS_HTTP_VERSION_NOT_SUPPORTED    = 505,
+    HTTP_STATUS_INSUFFICIENT_STORAGE          = 507
+} http_status;
diff --git a/webfinger.c b/webfinger.c
index c79fd44..0c18362 100644
--- a/webfinger.c
+++ b/webfinger.c
@@ -42,7 +42,7 @@ int webfinger_request_signed(snac *snac, const char *qs, char **actor, char **us
     }
 
     if (host == NULL || resource == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     headers = xs_dict_append(headers, "accept",     "application/json");
     headers = xs_dict_append(headers, "user-agent", USER_AGENT);
@@ -139,7 +139,7 @@ int webfinger_get_handler(xs_dict *req, char *q_path,
     const char *resource = xs_dict_get(q_vars, "resource");
 
     if (resource == NULL)
-        return 400;
+        return HTTP_STATUS_BAD_REQUEST;
 
     snac snac;
     int found = 0;
@@ -220,12 +220,12 @@ int webfinger_get_handler(xs_dict *req, char *q_path,
 
         user_free(&snac);
 
-        status = 200;
+        status = HTTP_STATUS_OK;
         *body  = j;
         *ctype = "application/jrd+json";
     }
     else
-        status = 404;
+        status = HTTP_STATUS_NOT_FOUND;
 
     srv_debug(1, xs_fmt("webfinger_get_handler resource=%s %d", resource, status));