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More webfinger work.

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default 2022-09-22 11:28:13 +02:00
parent 00a8929581
commit f2e4de7f90
2 changed files with 77 additions and 9 deletions
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22
main.c
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@ -18,6 +18,7 @@ int main(int argc, char *argv[])
{
char *cmd;
char *basedir;
char *user;
int argi = 1;
argc--;
@ -45,6 +46,27 @@ int main(int argc, char *argv[])
return 0;
}
if (argc < argi)
return usage();
user = argv[argi++];
if (strcmp(cmd, "webfinger") == 0) {
xs *actor = NULL;
xs *uid = NULL;
int status;
webfinger_request(user, &status, &actor, &uid);
printf("status: %d\n", status);
if (actor != NULL)
printf("actor: %s\n", actor);
if (uid != NULL)
printf("uid: %s\n", uid);
return 0;
}
return 0;
}

64
webfinger.c
View file

@ -13,21 +13,23 @@ void webfinger_request(char *qs, int *status, char **actor, char **user)
{
xs *payload = NULL;
int p_size = 0;
xs *url = NULL;
xs *headers = xs_dict_new();
xs *l = NULL;
d_char *host = NULL;
xs *resource = NULL;
if (xs_startswith(qs, "https:/" "/")) {
/* actor query: pick the host */
xs *s = xs_replace(qs, "https:/" "/", "");
xs *l = xs_split_n(s, "/", 1);
url = xs_fmt("https:/" "/%s/.well-known/webfinger?resource=%s",
xs_list_get(l, 0), qs);
l = xs_split_n(s, "/", 1);
host = xs_list_get(l, 0);
resource = xs_dup(qs);
}
else {
/* it's a user */
xs *s = xs_dup(qs);
xs *l;
if (xs_startswith(s, "@"))
s = xs_crop(s, 1, 0);
@ -35,19 +37,61 @@ void webfinger_request(char *qs, int *status, char **actor, char **user)
l = xs_split_n(s, "@", 1);
if (xs_list_len(l) == 2) {
url = xs_fmt("https:/" "/%s/.well-known/webfinger?resource:acct:%s",
xs_list_get(l, 1), qs);
host = xs_list_get(l, 1);
resource = xs_fmt("acct:%s", qs);
}
}
if (url == NULL) {
if (host == NULL || resource == NULL) {
*status = 400;
return;
}
headers = xs_dict_append(headers, "accept", "application/json");
xs_http_request("GET", url, headers, NULL, 0, status, &payload, &p_size);
/* is it a query about one of us? */
if (strcmp(host, xs_dict_get(srv_config, "host")) == 0) {
/* route internally */
xs *req = xs_dict_new();
xs *q_vars = xs_dict_new();
char *ctype;
q_vars = xs_dict_append(q_vars, "resource", resource);
req = xs_dict_append(req, "q_vars", q_vars);
webfinger_get_handler(req, "/.well-known/webfinger",
status, &payload, &p_size, &ctype);
}
else {
xs *url = xs_fmt("https:/" "/%s/.well-known/webfinger?resource=%s", host, resource);
printf("url: %s\n", url);
xs_http_request("GET", url, headers, NULL, 0, status, &payload, &p_size);
}
if (*status >= 200 && *status <= 299) {
xs *obj = xs_json_loads(payload);
if (user != NULL) {
*user = xs_replace(xs_dict_get(obj, "subject"), "acct:", "");
}
if (actor != NULL) {
char *list = xs_dict_get(obj, "links");
char *v;
while (xs_list_iter(&list, &v)) {
if (xs_type(v) == XSTYPE_SOD) {
char *type = xs_dict_get(v, "type");
if (type && strcmp(type, "application/activity+json") == 0) {
*actor = xs_dup(xs_dict_get(v, "href"));
break;
}
}
}
}
}
}
@ -135,4 +179,6 @@ void webfinger_get_handler(d_char *req, char *q_path, int *status,
*body = j;
*ctype = "application/json";
}
else
*status = 404;
}