From 81cf1e21a646568323681df2763e66f933bee48f Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Sun, 14 Apr 2024 19:24:06 +0200
Subject: [PATCH] Better redirection URL building in oauth_post_handler().

---
 mastoapi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mastoapi.c b/mastoapi.c
index 36f7238..2b52972 100644
--- a/mastoapi.c
+++ b/mastoapi.c
@@ -289,7 +289,11 @@ int oauth_post_handler(const xs_dict *req, const char *q_path,
                         *body = xs_dup(code);
                     }
                     else {
-                        *body = xs_fmt("%s?code=%s", redir, code);
+                        if (xs_str_in(redir, "?"))
+                            *body = xs_fmt("%s&code=%s", redir, code);
+                        else
+                            *body = xs_fmt("%s?code=%s", redir, code);
+
                         status = 303;
                     }