commit bf2ea9ce66b0353604bcd3081b11a6ce5311ae3a
Author: Gary <gary@packetnomad.net>
Date:   Mon Jan 10 01:22:50 2022 +0000

    Initial Check-In

diff --git a/README.md b/README.md
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+# NOC Screen Tab Rotator
+
+This app will automatically rotate and refresh tabs based on the hostname of the ?hostname variable passed to the script.
+
+The config Has the following:
+
+* **defaults** - common defaults across all clients
+* * **tabTime** - how long each tab should be displayed for (Default: 30)
+* * **tabRefresh** - Global setting for if a tab should be refreshed before display (Default: true)
+* * **masterRefresh** - How often should the overal page be reloaded in seconds - default 86400 
+* **screens** - A list of clients
+* * **__hostname__** - config for the host
+* * * **tabTime** - Overide for this host
+* * * **tabRefresh** - Overide for this host
+* * * **masterRefresh** - Overide for this host
+* * * **urls** - A dict of URLs to display
+* * * * **__url__** - the URL to load
+* * * * * **tabRefresh** - optionall overide if this tab should(n't) be refresh before display
+
+Example Config:
+
+```js
+{
+  "defaults": {
+    "tabTime": 30,
+    "tabRefresh": true,
+    "masterRefresh": 86400
+  },
+  "screens": {
+    "screen0": {
+      "urls": {
+        "http://www.example.com/": {"tabRefresh": false},
+        "http://news.bbc.co.uk/": {}
+      }
+    },
+    "screen1": {
+      "tabTime": 60,
+      "urls": {
+        "http://www.google.com/": {}
+      }
+    }
+  }
+}
+```
diff --git a/settings.json.example b/settings.json.example
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+{
+  "defaults": {
+    "tabTime": 30,
+    "tabRefresh": true,
+    "masterRefresh": 86400
+  },
+  "screens": {
+    "screen0": {
+      "urls": {
+        "http://www.example.com/": {"tabRefresh": false},
+        "http://news.bbc.co.uk/": {}
+      }
+    },
+    "screen1": {
+      "tabTime": 60,
+      "urls": {
+        "http://www.google.com/": {}
+      }
+    }
+  }
+}
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diff --git a/www/index.php b/www/index.php
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+<?php
+
+header("Expires: 0");
+header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+if(!isset($_REQUEST['hostname'])) {
+  $hostname = "host not known";
+} else {
+  $hostname = $_REQUEST['hostname'];
+}
+
+$settings = json_decode(file_get_contents("../settings.json"), true);
+
+if(isset($settings['screens'][$hostname])) {
+  header("Location: /screen/screenRender.php?hostname=$hostname");
+  exit;
+} else {
+  date_default_timezone_set("UTC");
+  $num = rand(1,8);
+}
+
+?>
+<!DOCTYPE html>
+<html>
+<head>
+	<title>NOC Screen</title>
+	<style type="text/css">
+
+	body { background-repeat: no-repeat; background-image: url('/screen/background-00<?php echo $num; ?>.jpg'); background-size: cover; }
+
+	.content {
+		width:200px;
+		height:125px;
+		position:absolute;
+		left:50%;
+		top:50%;
+		margin:-75px 0 0 -135px;
+		color: white;
+	}
+
+	.sitename {
+		position: absolute;
+		left: 0%;
+		bottom: 0%;
+		margin: 15px 15px 15px 15px;
+		padding: 10px;
+		color: rgb(21,55,96);
+		font-family: sans-serif;
+		font-size: 48px;
+		text-align: left;
+		background-color: rgba(202,202,202,0.6);
+		border-radius: 15px;
+	}
+	</style>
+	<meta http-equiv="refresh" content="60">
+</head>
+
+<body>
+
+<div class="content">
+
+</div>
+
+<div class="sitename">
+<center><img src='/screen/logo.png' alt='' width=150px valign=middle /><font style='font-size: 81px;'>&nbsp;<b>screen ip</b></font></center>
+<center><b><font style='font-size: 64px;'><?=$_SERVER['REMOTE_ADDR'];?></font></b><br/>unadopted - <?=$hostname?> - will refresh in 60 seconds</center>
+</div>
+</body>
+</html>
+
diff --git a/www/screenRender.php b/www/screenRender.php
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+++ b/www/screenRender.php
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+<?php
+
+header("Expires: 0");
+header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+
+if(!isset($_REQUEST['hostname'])) {
+  $hostname = "host not known";
+} else {
+  $hostname = $_REQUEST['hostname'];
+}
+
+$settings = json_decode(file_get_contents("../settings.json"), true);
+
+if(!isset($settings['screens'][$hostname])) {
+  header("Location: /screen/?hostname=$hostname");
+  exit;
+} elseif (!isset($settings['screens'][$hostname]['urls']) || (sizeof($settings['screens'][$hostname]['urls'])<1)) {
+  header("Location: /screen/?hostname=$hostname");
+  exit;
+} else {
+  date_default_timezone_set("UTC");
+  $urls = $settings['screens'][$hostname]['urls'];
+  $urlk = array_keys($urls);
+  $urlcount = sizeof($urls);
+}
+
+if (isset($settings['screens'][$hostname]['masterRefresh'])) {
+  $masterRefresh = $settings['screens'][$hostname]['masterRefresh'];
+} elseif (isset($settings['defaults']['masterRefresh'])) {
+  $masterRefresh = $settings['defaults']['masterRefresh'];
+} else {
+  $masterRefresh = '86400';
+}
+
+if (isset($settings['screens'][$hostname]['tabTime'])) {
+  $tabTime = intval($settings['screens'][$hostname]['tabTime']) + 2;
+} elseif (isset($settings['defaults']['tabTime'])) {
+  $tabTime = intval($settings['defaults']['tabTime']) + 2;
+} else {
+  $tabTime = '30';
+}
+
+if (isset($settings['screens'][$hostname]['tabRefresh'])) {
+  $tabRefresh = $settings['screens'][$hostname]['tabRefresh'];
+} elseif (isset($settings['defaults']['tabRefresh'])) {
+  $tabRefresh = $settings['defaults']['tabRefresh'];
+} else {
+  $tabRefresh = true;
+}
+
+?>
+<html>
+
+<head>
+        <title>NOC Screen</title>
+	<meta http-equiv="refresh" content="<?php echo $masterRefresh ?>">
+<style>
+        body    {overflow: hidden;}
+</style>
+
+<script>
+<!--
+<?php
+
+for ($ui = 1; $ui <= $urlcount; $ui++) {
+  echo "url$ui = '".$urlk[$ui-1]."';\n";
+}
+echo "CURPAGE = 'screen1';\n";
+echo "function StartTimers() {\n";
+for ($ui = 1; $ui <= $urlcount; $ui++) {
+  echo "  frame$ui.location = url$ui;\n";
+}
+echo "  setInterval('ScreenRefresh()',".$tabTime."000);\n";
+echo "  setTimeout('ScreenRefresh()',2000);\n";
+echo "}\n";
+
+echo "function ScreenRefresh() {\n";
+echo "  console.log(CURPAGE);\n";
+if ($urlcount>1) {
+  for ($ui = 1; $ui <= $urlcount; $ui++) {
+    echo "  screen$ui.style = 'display: none;';\n";
+  }
+  echo "  if (CURPAGE == 'screen1') {\n";
+  echo "    setTimeout(\"screen1.style = 'display: block;';\",2000);\n";
+  if (isset($urls[$urlk[0]]['tabRefresh']) && $urls[$urlk[0]]['tabRefresh']) {
+    echo "    frame1.location = url1;\n";
+  } elseif (!isset($urls[$urlk[0]]['tabRefresh']) && $tabRefresh) {
+    echo "    frame1.location = url1;\n";
+  }
+  echo "    CURPAGE = 'screen2';\n";
+  for ($ui = 2; $ui <= $urlcount; $ui++) {
+    echo "  } else if (CURPAGE == 'screen$ui') {\n";
+    echo "    setTimeout(\"screen$ui.style = 'display: block;';\",2000);\n";
+    if (isset($urls[$ui-1]['tabRefresh']) && $urls[$ui-1]['tabRefresh']) {
+      echo "    frame$ui.location = url$ui;\n";
+    } elseif (!isset($urls[$ui-1]['tabRefresh']) && $tabRefresh) {
+      echo "    frame$ui.location = url$ui;\n";
+    }
+    echo "    CURPAGE = 'screen".($ui+1)."';\n";
+  }
+  echo "  }\n  if (CURPAGE == 'screen".($urlcount+1)."') { CURPAGE = 'screen1'; }\n";
+} else {
+  if (isset($urls[$urlk[0]]['tabRefresh']) && $urls[$urlk[0]]['tabRefresh']) {
+    echo "  frame1.location = url1;\n";
+  } elseif (!isset($urls[$urlk[0]]['tabRefresh']) && $tabRefresh) {
+    echo "  frame1.location = url1;\n";
+  } else {
+    echo "  return;\n";
+  }
+}
+echo "}\n";
+  
+?>
+-->
+</script>
+</head>
+
+<body onload="StartTimers()" leftmargin=0 topmargin=0 rightmargin=0 bottommargin=0>
+
+<div id="sound_element" style="display:none;"></div>
+
+<?php
+
+for ($ui = 1; $ui <= $urlcount; $ui++) {
+  echo "<div id='screen$ui'>\n";
+  echo "  <iframe src='loading.html' name='frame$ui' id='frame$ui' width=100% height=100% frameborder=0></iframe>\n";
+  echo "</div>\n";
+}
+?>
+</body>
+
+</html>