From d9739599ec65a812a134bb4bd73b2e67e2b86076 Mon Sep 17 00:00:00 2001
From: renerocksai <rene@renerocks.ai>
Date: Fri, 25 Jul 2025 01:57:37 +0200
Subject: [PATCH] added fio-typecheck of mimetype field when parsing binfiles

---
 src/request.zig | 10 ++++++++--
 src/util.zig    | 17 +++++++++++++++++
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/request.zig b/src/request.zig
index d20f041..83de0d0 100644
--- a/src/request.zig
+++ b/src/request.zig
@@ -132,8 +132,14 @@ fn parseBinfilesFrom(a: Allocator, o: fio.FIOBJ) !HttpParam {
 
         var mimetype: []const u8 = undefined;
         if (fio.fiobj_hash_haskey(o, key_type) == 1) {
-            const mt = fio.fiobj_obj2cstr(fio.fiobj_hash_get(o, key_type));
-            mimetype = mt.data[0..mt.len];
+            const mt_fiobj = fio.fiobj_hash_get(o, key_type);
+            // for some reason, mimetype can be an array
+            if (fio.fiobj_type_is(mt_fiobj, fio.FIOBJ_T_STRING) == 1) {
+                const mt = fio.fiobj_obj2cstr(mt_fiobj);
+                mimetype = mt.data[0..mt.len];
+            } else {
+                mimetype = &"application/octet-stream".*;
+            }
         } else {
             mimetype = &"application/octet-stream".*;
         }
diff --git a/src/util.zig b/src/util.zig
index 1719fe9..8a6d693 100644
--- a/src/util.zig
+++ b/src/util.zig
@@ -17,6 +17,23 @@ pub fn fio2str(o: fio.FIOBJ) ?[]const u8 {
     return x.data[0..x.len];
 }
 
+pub fn fiobj_type_as_string(o: zap.fio.FIOBJ) []const u8 {
+    const value_type = switch (zap.fio.fiobj_type(o)) {
+        zap.fio.FIOBJ_T_NULL => "null",
+        zap.fio.FIOBJ_T_TRUE => "true",
+        zap.fio.FIOBJ_T_FALSE => "false",
+        zap.fio.FIOBJ_T_NUMBER => "number",
+        zap.fio.FIOBJ_T_FLOAT => "float",
+        zap.fio.FIOBJ_T_STRING => "string",
+        zap.fio.FIOBJ_T_ARRAY => "array",
+        zap.fio.FIOBJ_T_HASH => "hash",
+        zap.fio.FIOBJ_T_DATA => "data",
+        zap.fio.FIOBJ_T_UNKNOWN => "unknown",
+        else => "unreachable",
+    };
+    return value_type;
+}
+
 /// Used internally: convert a FIO object into its string representation.
 /// This always allocates, so choose your allocator wisely.
 /// Let's never use that