1 file changed, 50 insertions, 1 deletion
diff --git a/source/ui-plain.c b/source/ui-plain.c
index 0d12896..43bdb22 100644
--- a/source/ui-plain.c
+++ b/source/ui-plain.c
@@ -42,6 +42,55 @@ static int is_unsafe_type(const char *mimetype)
 		strcmp(mimetype, "application/pdf");
 }
 
+static char *get_mimetype_for_filename(const char *filename)
+{
+	const char *ext;
+	char *type, line[1024];
+	struct string_list fields = STRING_LIST_INIT_NODUP;
+	size_t i;
+	FILE *file;
+	struct string_list_item *entry;
+
+	if (!filename)
+		return NULL;
+
+	ext = strrchr(filename, '.');
+	if (!ext)
+		return NULL;
+	++ext;
+	if (!ext[0])
+		return NULL;
+	entry = string_list_lookup(&ctx.cfg.mimetypes, ext);
+	if (entry)
+		return xstrdup(entry->util);
+
+	if (!ctx.cfg.mimetype_file)
+		return NULL;
+	file = fopen(ctx.cfg.mimetype_file, "r");
+	if (!file)
+		return NULL;
+	while (fgets(line, sizeof(line), file)) {
+		// A line of a mime.types file is one type followed by every
+		// extension that maps to it.
+		string_list_split_in_place(&fields, line, " \t\r\n", -1);
+		string_list_remove_empty_items(&fields, 0);
+		if (!fields.nr || fields.items[0].string[0] == '#') {
+			string_list_clear(&fields, 0);
+			continue;
+		}
+		type = fields.items[0].string;
+		for (i = 1; i < fields.nr; i++) {
+			if (!strcasecmp(ext, fields.items[i].string)) {
+				fclose(file);
+				return xstrdup(type);
+			}
+		}
+		string_list_clear(&fields, 0);
+	}
+	fclose(file);
+	return NULL;
+}
+
 /*
  * Writes the response for the object, error pages included, so the walk
  * does not go on to report the path as missing.
@@ -69,7 +118,7 @@ static void print_object(const struct object_id *oid, const char *path)
 		return;
 	}
 
-	mimetype = cgit_get_mimetype_for_filename(path);
+	mimetype = get_mimetype_for_filename(path);
 	ctx.page.mimetype = mimetype;
 
 	if (!ctx.repo->enable_html_serving) {