From b3b15cec292d3671897afdb7ff549dae66735647 Mon Sep 17 00:00:00 2001
From: default <nobody@localhost>
Date: Wed, 28 Sep 2022 05:36:35 +0200
Subject: [PATCH] New function login() (untested).

---
 html.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/html.c b/html.c
index 0a070b2..8745c8b 100644
--- a/html.c
+++ b/html.c
@@ -3,6 +3,7 @@
 
 #include "xs.h"
 #include "xs_io.h"
+#include "xs_encdec.h"
 #include "xs_json.h"
 #include "xs_regex.h"
 
@@ -118,6 +119,29 @@ d_char *not_really_markdown(char *content, d_char **f_content)
 }
 
 
+int login(snac *snac, char *headers)
+/* tries a login */
+{
+    int logged_in = 0;
+    char *auth = xs_dict_get(headers, "authorization");
+
+    if (auth && xs_startswith(auth, "Basic ")) {
+        int sz;
+        xs *s1 = xs_crop(xs_dup(auth), 6, 0);
+        xs *s2 = xs_base64_dec(s1, &sz);
+        xs *l1 = xs_split_n(s2, ":", 1);
+
+        if (xs_list_len(l1) == 2) {
+            logged_in = check_password(
+                xs_list_get(l1, 0), xs_list_get(l1, 1),
+                xs_dict_get(snac->config, "passwd"));
+        }
+    }
+
+    return logged_in;
+}
+
+
 int html_get_handler(d_char *req, char *q_path, char **body, int *b_size, char **ctype)
 {
     int status = 0;