From 608aa0b8ff2ed6b829eebfc072aad38a1803f312 Mon Sep 17 00:00:00 2001
From: Matt Pass <matt@mattpass.com>
Date: Thu, 26 Sep 2019 08:40:27 +0100
Subject: [PATCH] Add requirements.php

---
 lib/requirements.php | 76 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 lib/requirements.php
diff --git a/lib/requirements.php b/lib/requirements.php
new file mode 100644
index 0000000..5872613
--- /dev/null
+++ b/lib/requirements.php
@@ -0,0 +1,76 @@
+<?php
+// Start off assuming all is fine with requirements
+$reqsPassed = true;
+$reqsFailures = [];
+
+// Check PHP version meets minimum requirements
+if (phpversion()*1 < 7.0) {
+	$reqsPassed = false;
+	array_push($reqsFailures, "phpVersion");
+}
+
+// Check we have a working session
+if (!isset($_SESSION) || session_id() === "") {
+	$reqsPassed = false;
+	array_push($reqsFailures, "phpSession");
+}
+
+// Check we can read config settings
+if (file_exists(dirname(__FILE__)."/../data/config-settings.php")) {
+	include(dirname(__FILE__)."/../data/config-settings.php");
+	if (!isset($ICEcoderSettings['versionNo'])) {
+		$reqsPassed = false;
+		array_push($reqsFailures, "phpReadFile");
+	}
+}
+
+// If any of these failed, show requirements problem info screen
+if (!$reqsPassed) {
+// $t = $text['reqsIssue'];
+?>
+<html>
+<head>
+<title>ICEcoder <?php echo $ICEcoderSettings['versionNo'];?> : Requirements problem!</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<meta name="robots" content="noindex, nofollow">
+<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+<link rel="stylesheet" type="text/css" href="lib/ice-coder.css?microtime=<?php echo microtime(true);?>">
+<link rel="icon" type="image/png" href="favicon.png">
+</head>
+
+<body style="background-color: #181817" onLoad="setTimeout(function(){document.getElementById('screenContainer').style.opacity=1},50)">
+
+<div class="screenContainer" id="screenContainer" style="background-color: #181817; opacity: 0; transition: opacity 0.1s ease-out">
+	<div class="screenVCenter">
+		<div class="screenCenter">
+			<img src="images/ice-coder.png" alt="ICEcoder">
+			<div class="version" style="margin-bottom: 22px">v <?php echo $ICEcoderSettings['versionNo'];?></div>
+
+			<span style="display: inline-block; color: #fff">
+		        	<b style="padding: 5px; background: #b00; color: #fff">Requirements problem!</b><br><br><br><br>
+				Sorry, but ICEcoder has a problem<br>running on your server:<br><br><hr style="height: 1px; border: 0; background: #888"><br>
+				<?php
+				if (in_array("phpVersion", $reqsFailures)) {
+					echo "Your PHP version is ".phpversion()."<br>and needs 7.0 or above<br><br>";
+				}
+				if (in_array("phpSession", $reqsFailures)) {
+					echo "You don't appear to have a<br>working PHP session<br><br>";
+				}
+				if (in_array("phpReadFile", $reqsFailures)) {
+					echo "You don't seem to be able<br>to read the config file<br><br>";
+				}
+				?>
+			</span>
+		
+		</div>
+	</div>
+</div>
+
+</body>
+
+</html>
+
+<?php
+exit;
+}
+?>
