adding first code

sys0-code/api/update_url.php

@@ -0,0 +1,30 @@
+<?php
+	include "../config/config.php";
+	$apikey=htmlspecialchars($_GET["apikey"]);
+	$apikey_fromdb="";
+	$octoapikey=htmlspecialchars($_GET["octoapikey"]);
+	$sql="select apikey from api where id=1";
+	$stmt = mysqli_prepare($link, $sql);
+	mysqli_stmt_execute($stmt);
+	mysqli_stmt_store_result($stmt);
+	mysqli_stmt_bind_result($stmt, $apikey_fromdb);
+	mysqli_stmt_fetch($stmt);
+	//echo('got from db:');
+	//echo($apikey_fromdb);
+	if($apikey!=$apikey_fromdb)
+	{
+		echo("wrong apikey");
+		exit;
+	}
+
+	else
+	{
+		$url=htmlspecialchars($_GET["url"]);
+		$id=htmlspecialchars($_GET["id"]);
+		$sql="insert into printer (id, printer_url,printing,free,used_by_userid,system_status,apikey) values ($id,'$url',0,1,0,0,'$octoapikey') on duplicate key update printer_url='$url', apikey='$octoapikey'";
+		echo($sql);
+		$stmt = mysqli_prepare($link, $sql);
+		mysqli_stmt_execute($stmt);
+	}
+
+?>