commit 7e27ccf

Try to show a piece of the error after connecting.

 1@@ -1180,7 +1180,22 @@ void process_queue_item(xs_dict *q_item)
 2         /* deliver */
 3         status = send_to_inbox_raw(keyid, seckey, inbox, msg, &payload, &p_size, retries == 0 ? 3 : 8);
 4 
 5-        srv_log(xs_fmt("output message: sent to inbox %s %d", inbox, status));
 6+        if (payload && !valid_status(status)) {
 7+            /* in case of error, print a part of the payload,
 8+               as it may be informative */
 9+            if (p_size > 24) {
10+                /* trim the message */
11+                payload[24] = '\0';
12+                payload = xs_str_cat(payload, "...");
13+            }
14+
15+            payload = xs_str_wrap_i(" (", payload, ")");
16+        }
17+
18+        if (payload == NULL)
19+            payload = xs_str_new(NULL);
20+
21+        srv_log(xs_fmt("output message: sent to inbox %s %d%s", inbox, status, payload));
22 
23         if (!valid_status(status)) {
24             retries++;
25@@ -1377,8 +1392,11 @@ int activitypub_post_handler(d_char *req, char *q_path,
26     snac snac;
27     char *v;
28 
29-    if (i_ctype == NULL)
30+    if (i_ctype == NULL) {
31+        *body  = xs_str_new("no content-type");
32+        *ctype = "text/plain";
33         return 400;
34+    }
35 
36     if (xs_str_in(i_ctype, "application/activity+json") == -1 &&
37         xs_str_in(i_ctype, "application/ld+json") == -1)
38@@ -1389,6 +1407,9 @@ int activitypub_post_handler(d_char *req, char *q_path,
39 
40     if (msg == NULL) {
41         srv_log(xs_fmt("activitypub_post_handler JSON error %s", q_path));
42+
43+        *body  = xs_str_new("JSON error");
44+        *ctype = "text/plain";
45         status = 400;
46     }
47 
48@@ -1417,6 +1438,9 @@ int activitypub_post_handler(d_char *req, char *q_path,
49 
50         if (strcmp(s2, v) != 0) {
51             srv_log(xs_fmt("digest check FAILED"));
52+
53+            *body  = xs_str_new("bad digest");
54+            *ctype = "text/plain";
55             status = 400;
56         }
57     }

1@@ -198,7 +198,7 @@ void httpd_connection(FILE *f)
2     if (status == 404)
3         body = xs_str_new("<h1>404 Not Found</h1>");
4 
5-    if (status == 400)
6+    if (status == 400 && body != NULL)
7         body = xs_str_new("<h1>400 Bad Request</h1>");
8 
9     if (status == 303)