diff php/requestKey.php @ 2510:8536e978ab6f

Work for #158

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/php/requestKey.php	Mon Oct 24 10:39:20 2016 +0100
@@ -0,0 +1,60 @@
+<?php
+
+function generateRandomString($length = 32) {
+    // from http://stackoverflow.com/questions/4356289/php-random-string-generator
+    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+    $charactersLength = strlen($characters);
+    $randomString = '';
+    for ($i = 0; $i < $length; $i++) {
+        $randomString .= $characters[rand(0, $charactersLength - 1)];
+    }
+    return $randomString;
+}
+
+// Request a new session key from the server
+header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+$saves = glob("../saves/*.xml");
+
+$key = "";
+
+while ($key == "") {
+    $tempKey = generateRandomString(32);
+    $unique = true;
+    foreach($saves as $filename)
+    {
+        $xml_string = file_get_contents($filename, FILE_TEXT);
+        $xml_object = simplexml_load_string($xml_string);
+        if ($xml_object != false) {
+            if (isset($value['key']))
+            {
+                if ($value['key'] == $key_requested) {
+                    $unique = false;
+                }
+            }
+        }
+    }
+    if ($unique) {
+        $key = $tempKey;
+    }
+}
+
+$filename = "saves/save-".$key.".xml"
+$fileHandle = fopen($filename, 'w');
+if ($fileHandle == FALSE) {
+    echo "<response><state>ERROR</state><key>".$key."</key></response>";
+}
+fclose($fileHandle);
+// TODO:
+//  Generate the XML Base file and save it
+$doc_struct = new SimpleXMLElement('<waetresult/>');
+$doc_struct->addAttribute("key",$key);
+//  Add start time
+//  Add IP Address information
+//  Save the file
+$doc_struct->asXML($filename);
+echo "<response><state>OK</state><key>".$key."</key></response>";
+return;
+?>