Started account migration code.

activitypub.c

@@ -1522,6 +1522,17 @@ xs_dict *msg_pong(snac *user, const char *rcpt, const char *object)
 }
 
 
+xs_dict *msg_move(snac *user, const char *new_account)
+/* creates a Move message (to move the user to new_account) */
+{
+    xs_dict *msg = msg_base(user, "Move", "@dummy", user->actor, NULL, user->actor);
+
+    msg = xs_dict_append(msg, "target", new_account);
+
+    return msg;
+}
+
+
 xs_dict *msg_question(snac *user, const char *content, xs_list *attach,
                       const xs_list *opts, int multiple, int end_secs)
 /* creates a Question message */
@@ -2653,6 +2664,22 @@ int process_queue(void)
 }
 
 
+/** account migration **/
+
+int migrate_account(snac *user)
+/* migrates this account to a new one (stored in the 'aka' user field) */
+{
+    const char *new_account = xs_dict_get(user->config, "aka");
+
+    if (xs_type(new_account) != XSTYPE_STRING) {
+        snac_log(user, xs_fmt("Cannot migrate: 'aka' (new account) not defined"));
+        return 1;
+    }
+
+    return 0;
+}
+
+
 /** HTTP handlers */
 
 int activitypub_get_handler(const xs_dict *req, const char *q_path,

main.c

@@ -273,6 +273,10 @@ int main(int argc, char *argv[])
         return 0;
     }
 
+    if (strcmp(cmd, "migrate") == 0) { /** **/
+        return migrate_account(&snac);
+    }
+
     if ((url = GET_ARGV()) == NULL)
         return usage();
 

snac.h

@@ -310,6 +310,7 @@ xs_dict *msg_actor(snac *snac);
 xs_dict *msg_update(snac *snac, const xs_dict *object);
 xs_dict *msg_ping(snac *user, const char *rcpt);
 xs_dict *msg_pong(snac *user, const char *rcpt, const char *object);
+xs_dict *msg_move(snac *user, const char *new_account);
 xs_dict *msg_question(snac *user, const char *content, xs_list *attach,
                       const xs_list *opts, int multiple, int end_secs);
 
@@ -389,6 +390,7 @@ void mastoapi_purge(void);
 void verify_links(snac *user);
 
 void export_csv(snac *user);
+int migrate_account(snac *user);
 void import_csv(snac *user);
 
 typedef enum {