From 1362d9ff0a4498bbb793d4e919036abd4d7d31ae Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Sun, 24 May 2026 16:00:28 +0200
Subject: WIP: Add authenticate()

TODO: replace hard-coded user table

This function authenticates the SHA256 hash of an authentication token.
---
 database.go | 18 ++++++++++++++++++
 meson.build |  1 +
 2 files changed, 19 insertions(+)
 create mode 100644 database.go

diff --git a/database.go b/database.go
new file mode 100644
index 0000000..cf8b078
--- /dev/null
+++ b/database.go
@@ -0,0 +1,18 @@
+package main
+
+func authenticate(token string) (*int) {
+	var retval *int = nil
+
+	// map from token SHA256 hash to user ID
+	tokens := make(map[string]int)
+	tokens["0+0DTE+laMkZeHZBLbjB+c0Ajth548+3WcCO8G9uywI="] = 1
+
+	for currentToken, id := range tokens {
+		if token == currentToken {
+			retval = &id
+			break
+		}
+	}
+
+	return retval
+}
diff --git a/meson.build b/meson.build
index 8d35ec0..cfa3a07 100644
--- a/meson.build
+++ b/meson.build
@@ -12,6 +12,7 @@ finserv_linux_amd64 = custom_target(
     meson.current_source_dir() / 'main.go',
     meson.current_source_dir() / 'handlers.go',
     meson.current_source_dir() / 'token.go',
+    meson.current_source_dir() / 'database.go',
   ],
   output : 'finserv-linux-amd64',
   env : {'GOOS': 'linux', 'GOARCH': 'amd64'},
-- 
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