commit 90179f8

activitypub_request() may have a NULL user.

In the NULL user case, only non-signed requests will be done,
but it's probably enough for actor requests in most cases.

 1@@ -60,18 +60,22 @@ const char *default_avatar_base64(void)
 2 }
 3 
 4 
 5-int activitypub_request(snac *snac, const char *url, xs_dict **data)
 6+int activitypub_request(snac *user, const char *url, xs_dict **data)
 7 /* request an object */
 8 {
 9-    int status;
10+    int status = 0;
11     xs *response = NULL;
12     xs *payload = NULL;
13     int p_size;
14     char *ctype;
15 
16-    /* get from the net */
17-    response = http_signed_request(snac, "GET", url,
18-        NULL, NULL, 0, &status, &payload, &p_size, 0);
19+    *data = NULL;
20+
21+    if (user != NULL) {
22+        /* get from the net */
23+        response = http_signed_request(user, "GET", url,
24+            NULL, NULL, 0, &status, &payload, &p_size, 0);
25+    }
26 
27     if (status == 0 || (status >= 500 && status <= 599)) {
28         /* I found an instance running Misskey that returned
29@@ -107,14 +111,11 @@ int activitypub_request(snac *snac, const char *url, xs_dict **data)
30             status = 500;
31     }
32 
33-    if (!valid_status(status))
34-        *data = NULL;
35-
36     return status;
37 }
38 
39 
40-int actor_request(snac *snac, const char *actor, xs_dict **data)
41+int actor_request(snac *user, const char *actor, xs_dict **data)
42 /* request an actor */
43 {
44     int status, status2;
45@@ -128,7 +129,7 @@ int actor_request(snac *snac, const char *actor, xs_dict **data)
46 
47     if (status != 200) {
48         /* actor data non-existent or stale: get from the net */
49-        status2 = activitypub_request(snac, actor, &payload);
50+        status2 = activitypub_request(user, actor, &payload);
51 
52         if (valid_status(status2)) {
53             /* renew data */

 1@@ -120,7 +120,7 @@ xs_dict *http_signed_request(snac *snac, const char *method, const char *url,
 2 }
 3 
 4 
 5-int check_signature(snac *snac, xs_dict *req, xs_str **err)
 6+int check_signature(snac *user, xs_dict *req, xs_str **err)
 7 /* check the signature */
 8 {
 9     char *sig_hdr = xs_dict_get(req, "signature");
10@@ -173,7 +173,7 @@ int check_signature(snac *snac, xs_dict *req, xs_str **err)
11 
12     xs *actor = NULL;
13 
14-    if (!valid_status(actor_request(snac, keyId, &actor))) {
15+    if (!valid_status(actor_request(user, keyId, &actor))) {
16         *err = xs_fmt("unknown actor %s", keyId);
17         return 0;
18     }