Move PHP scripts to scripts folder

scripts/pi-hole/php/queryads.php

@@ -0,0 +1,50 @@
+<?php
+ob_end_flush();
+ini_set("output_buffering", "0");
+ob_implicit_flush(true);
+header('Content-Type: text/event-stream');
+header('Cache-Control: no-cache');
+
+function echoEvent($datatext) {
+    echo "data: ".implode("\ndata: ", explode("\n", $datatext))."\n\n";
+}
+
+// Credit: http://stackoverflow.com/a/4694816/2087442
+function is_valid_domain_name($domain_name)
+{
+    return (preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $domain_name) //valid chars check
+            && preg_match("/^.{1,253}$/", $domain_name) //overall length check
+            && preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $domain_name)   ); //length of each label
+}
+
+// Test if domain is set
+if(isset($_GET["domain"]))
+{
+    // Is this a valid domain?
+    $url = $_GET["domain"];
+    if(!is_valid_domain_name($url))
+    {
+        echoEvent("Invalid domain!");
+        die();
+    }
+}
+else
+{
+    echoEvent("No domain provided");
+    die();
+}
+
+if(isset($_GET["exact"]))
+{
+    $exact = "-exact";
+}
+else
+{
+    $exact = "";
+}
+
+$proc = popen("sudo pihole -q ".$url." ".$exact, 'r');
+while (!feof($proc)) {
+    echoEvent(fread($proc, 4096));
+}
+?>