ui-plain: add enable-html-serving flag

[ps-cgit] / ui-plain.c

diff --git a/ui-plain.c b/ui-plain.c
index 58addab946af588fcb458026f9e7f5f731e6c7f5..ff85113718464ddbcf68af205a2fae1b6e3e86d1 100644 (file)
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -37,6 +37,16 @@ static int print_object(const unsigned char *sha1, const char *path)
        mimetype = get_mimetype_for_filename(path);
        ctx.page.mimetype = mimetype;
 
+       if (!ctx.repo->enable_html_serving) {
+               html("X-Content-Type-Options: nosniff\n");
+               html("Content-Security-Policy: default-src 'none'\n");
+               if (mimetype) {
+                       /* Built-in white list allows PDF and everything that isn't text/ and application/ */
+                       if ((!strncmp(mimetype, "text/", 5) || !strncmp(mimetype, "application/", 12)) && strcmp(mimetype, "application/pdf"))
+                               ctx.page.mimetype = NULL;
+               }
+       }
+
        if (!ctx.page.mimetype) {
                if (buffer_is_binary(buf, size)) {
                        ctx.page.mimetype = "application/octet-stream";