2 files changed, 15 insertions, 0 deletions

diff --git a/activitypub.c b/activitypub.c
index 2c0fa2e..65eed05 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -669,6 +669,20 @@ xs_list *recipient_list(snac *snac, const xs_dict *msg, int expand_public)
 }
 
 
+int is_msg_mine(snac *user, const char *id)
+/* returns true if a post id is by the given user */
+{
+    int ret = 0;
+
+    if (xs_is_string(id)) {
+        xs *s1 = xs_fmt("%s/", user->actor);
+        ret = xs_startswith(id, s1);
+    }
+
+    return ret;
+}
+
+
 int is_msg_public(const xs_dict *msg)
 /* checks if a message is public */
 {
diff --git a/snac.h b/snac.h
index 91dfa27..4d387a6 100644
--- a/snac.h
+++ b/snac.h
@@ -388,6 +388,7 @@ int send_to_inbox(snac *snac, const xs_str *inbox, const xs_dict *msg,
 xs_str *get_actor_inbox(const char *actor, int shared);
 int send_to_actor(snac *snac, const char *actor, const xs_dict *msg,
                   xs_val **payload, int *p_size, int timeout);
+int is_msg_mine(snac *user, const char *id);
 int is_msg_public(const xs_dict *msg);
 int is_msg_from_private_user(const xs_dict *msg);
 int is_msg_for_me(snac *snac, const xs_dict *msg);