From 3b5ebb7da5b638f364dc9aaa94d928643454f3fc Mon Sep 17 00:00:00 2001
From: Jonas Kohl <git@jonaskohl.de>
Date: Sat, 7 Sep 2024 17:18:15 +0200
Subject: Improve flash detection

---
 video.php | 93 +++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 52 insertions(+), 41 deletions(-)

diff --git a/video.php b/video.php
index 21398a2..e5723a8 100644
--- a/video.php
+++ b/video.php
@@ -5,37 +5,48 @@
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <script language="JavaScript">
 <!--
-function MM_CheckFlashVersion(reqVerStr,msg){
-    with(navigator){
-        var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
-        var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
-        if (!isIE || !isWin){  
-            var flashVer = -1;
-            if (plugins && plugins.length > 0){
-                var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
-                desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
-                if (desc == "") flashVer = -1;
-                else{
-                    var descArr = desc.split(" ");
-                    var tempArrMajor = descArr[2].split(".");
-                    var verMajor = tempArrMajor[0];
-                    var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
-                    var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
-                    flashVer =  parseFloat(verMajor + "." + verMinor);
-                }
-            }
-            // WebTV has Flash Player 4 or lower -- too low for video
-            else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;
+function getFlashVersion() {
+    var activeXObj, plugins, plugin, result;
 
-            var verArr = reqVerStr.split(",");
-            var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
-    
-            if (flashVer < reqVer){
-                if (confirm(msg))
-                    window.location = "http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
+    if (navigator.plugins && navigator.plugins.length > 0) {
+        plugins = navigator.plugins;
+        for (var i = 0; i < plugins.length && !result; i++) {
+            plugin = plugins[i];
+            if (plugin.name.indexOf("Shockwave Flash") > -1) {
+                result = plugin.description.split("Shockwave Flash ")[1];
             }
         }
-    } 
+    } else {
+        plugin = "ShockwaveFlash.ShockwaveFlash";
+        try {
+            activeXObj = new ActiveXObject(plugin + ".7"), result = activeXObj.GetVariable("$version")
+        } catch (e) {}
+
+        if (!result) try {
+            activeXObj = new ActiveXObject(plugin + ".6"), result = "WIN 6,0,21,0", activeXObj.AllowScriptAccess = "always", result = activeXObj.GetVariable("$version")
+        } catch (e) {}
+
+        if (!result) try {
+            activeXObj = new ActiveXObject(plugin), result = activeXObj.GetVariable("$version")
+        } catch (e) {}
+
+        result && (result = result.split(" ")[1].split(","), result = result[0] + "." + result[1] + " r" + result[2])
+    }
+    return result ? result : "0";
+}
+
+function checkFlashVersion(reqVerStr) {
+    var flashVer = getFlashVersion();
+    flashVer = parseFloat(flashVer.split(" r")[0]);
+
+    var verArr = reqVerStr.split(",");
+    var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
+
+    return flashVer >= reqVer;
+}
+
+function supportsHTML5Video() {
+    return (typeof(document.createElement('video').canPlayType) != 'undefined');
 }
 // -->
 </script>
@@ -49,22 +60,22 @@ function MM_CheckFlashVersion(reqVerStr,msg){
 <div>
     <script language="JavaScript">
     <!--
-        window.onload = function() {
-            var isHTML5Video = (typeof(document.createElement('video').canPlayType) != 'undefined');
-            if (!isHTML5Video) {
-                MM_CheckFlashVersion('7,0,0,0','Content on this page requires a newer version of Macromedia Flash Player. Do you want to download it now?');
+        if (!supportsHTML5Video()) {
+            if (!checkFlashVersion('7,0,0,0')) {
+                document.write('<P>Content on this page requires Macromedia Flash Player 7 or newer. <A HREF="http://www.macromedia.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash">Download now</A></P>');
+            } else {
+                document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="342" height="291" id="FLVPlayer">');
+                document.write('<param name="movie" value="FLVPlayer_Progressive.swf">');
+                document.write('<param name="salign" value="lt">');
+                document.write('<param name="quality" value="high">');
+                document.write('<param name="scale" value="noscale">');
+                document.write('<param name="FlashVars" value="&MM_ComponentVersion=1&skinName=Halo_Skin_3&streamName=<?= htmlentities("video/" . urlencode($_GET["v"] ?? "")); ?>&autoPlay=false&autoRewind=false">');
+                document.write('<embed src="FLVPlayer_Progressive.swf" flashvars="&MM_ComponentVersion=1&skinName=Halo_Skin_3&streamName=<?= htmlentities("video/" . urlencode($_GET["v"] ?? "")); ?>&autoPlay=false&autoRewind=false" quality="high" scale="noscale" width="342" height="291" name="FLVPlayer" salign="LT" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">');
+                document.write('</object>');
             }
-        };
+        }
     // -->
     </script>
-    <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="342" height="291" id="FLVPlayer">
-        <param name="movie" value="FLVPlayer_Progressive.swf">
-        <param name="salign" value="lt">
-        <param name="quality" value="high">
-        <param name="scale" value="noscale">
-        <param name="FlashVars" value="&MM_ComponentVersion=1&skinName=Halo_Skin_3&streamName=<?= htmlentities("video/" . urlencode($_GET["v"] ?? "")); ?>&autoPlay=false&autoRewind=false">
-        <embed src="FLVPlayer_Progressive.swf" flashvars="&MM_ComponentVersion=1&skinName=Halo_Skin_3&streamName=<?= htmlentities("video/" . urlencode($_GET["v"] ?? "")); ?>&autoPlay=false&autoRewind=false" quality="high" scale="noscale" width="342" height="291" name="FLVPlayer" salign="LT" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">
-    </object>
 </div>
 
 </video>
-- 
cgit v1.2.3