php: init

src/html/index.php

@@ -0,0 +1,48 @@
+<?php
+
+$access_list_path = '/etc/tuer3.0/door_access_hashs';
+
+if (!hasCredentials())
+	render_default();
+elseif (hasValidCredentials())
+	execute_cmd($_POST['cmd']);
+else
+	render_failure();
+
+function executeCmd($cmd) {
+	switch($cmd) {
+	case 'indoor_lock':
+		sendKeyBLE('lock');
+		break;
+	case 'indoor_open':
+		sendKeyBLE('open');
+		break;
+	default:
+		render_failure();
+	}
+}
+function hasCredentials() {
+	$secret = $_GET['secret'] || $_COOKIES['secret'];
+	return is_string($secret) && !empty($secret);
+}
+
+function hasValidCredentials() {
+	$secret = $_GET['secret'] || $_COOKIES['secret'];
+	$cipher = hash('sha512', $secret);
+
+	$tokens = hasAccessTokens($cipher, $access_list_path); 
+	return false;
+}
+function hasAccessTokens($needle, $path) {
+	$lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+	foreach($lines as $line) {
+		if (str_starts_with(ltrim($line), '#'))
+			continue;
+		$values = explode(';', $line);
+		if (count($values) != 3)
+			continue;
+		if ($needle == $values[2])
+			return true;
+	}
+	return false;
+}