From 62fc1fb1aa453f74fb8d77dfc47f5e1647a01369 Mon Sep 17 00:00:00 2001
From: Andrew Bauer <zonexpertconsulting@outlook.com>
Date: Fri, 8 Jan 2021 09:32:51 -0600
Subject: [PATCH] replace Mootools Browser object with our own

---
 web/js/logger.js | 102 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 90 insertions(+), 12 deletions(-)

diff --git a/web/js/logger.js b/web/js/logger.js
index 56638b946..341b28b39 100644
--- a/web/js/logger.js
+++ b/web/js/logger.js
@@ -57,24 +57,13 @@ function logReport( level, message, file, line ) {
     //console.log("arguments");
   }
 
-  var browser = {};
-  if ( Browser ) {
-    browser.name = Browser.name;
-    browser.version = Browser.version;
-    browser.platform = Browser.Platform ? Browser.Platform.name : 'unknown';
-  } else {
-    browser.name = 'unknown';
-    browser.version = 'unknown';
-    browser.platform = 'unknown';
-  }
-
   var data = {
     view: 'request',
     request: 'log',
     task: 'create',
     level: level,
     message: encodeURIComponent(message),
-    browser: browser
+    browser: browserInfo()
   };
 
   if ( file ) {
@@ -125,3 +114,92 @@ function Dump(value, label) {
   if ( label ) console.debug(label+" => ");
   console.debug(value);
 }
+
+/*
+JQuery has deprecated its browser object. This function implements our own
+browser object. It strikes a compromise between importing a full browser
+detection js library and using the js navigator object in its umodified form.
+*/
+
+function browserInfo() {
+  var browser = {};
+  var nVer = navigator.appVersion;
+  var nAgt = navigator.userAgent;
+  var browserName  = navigator.appName;
+  var fullVersion  = ''+parseFloat(navigator.appVersion); 
+  var majorVersion = parseInt(navigator.appVersion,10);
+  var nameOffset,verOffset,ix;
+
+  // In Opera, the true version is after "Opera" or after "Version"
+  if ((verOffset=nAgt.indexOf("Opera")) != -1) {
+   browserName = "Opera";
+   fullVersion = nAgt.substring(verOffset+6);
+   if ((verOffset=nAgt.indexOf("Version")) != -1) 
+     fullVersion = nAgt.substring(verOffset+8);
+  }
+
+  // In MSIE, the true version is after "MSIE" in userAgent
+  else if ((verOffset=nAgt.indexOf("MSIE")) != -1) {
+    browserName = "Microsoft Internet Explorer";
+    fullVersion = nAgt.substring(verOffset+5);
+  }
+
+  // In Chrome, the true version is after "Chrome" 
+  else if ((verOffset=nAgt.indexOf("Chrome")) != -1) {
+    browserName = "Chrome";
+    fullVersion = nAgt.substring(verOffset+7);
+  }
+
+  // In Safari, the true version is after "Safari" or after "Version" 
+  else if ((verOffset=nAgt.indexOf("Safari")) != -1) {
+    browserName = "Safari";
+    fullVersion = nAgt.substring(verOffset+7);
+    if ((verOffset=nAgt.indexOf("Version")) != -1) 
+      fullVersion = nAgt.substring(verOffset+8);
+  }
+
+  // In Firefox, the true version is after "Firefox" 
+  else if ((verOffset=nAgt.indexOf("Firefox")) != -1) {
+    browserName = "Firefox";
+    fullVersion = nAgt.substring(verOffset+8);
+  }
+
+  // In most other browsers, "name/version" is at the end of userAgent 
+  else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) ) {
+    browserName = nAgt.substring(nameOffset,verOffset);
+    fullVersion = nAgt.substring(verOffset+1);
+    if (browserName.toLowerCase()==browserName.toUpperCase()) {
+      browserName = navigator.appName;
+    }
+  }
+
+  // trim the fullVersion string at semicolon/space if present
+  if ((ix=fullVersion.indexOf(";")) != -1)
+     fullVersion=fullVersion.substring(0,ix);
+  if ((ix=fullVersion.indexOf(" ")) != -1)
+     fullVersion=fullVersion.substring(0,ix);
+
+  majorVersion = parseInt(''+fullVersion,10);
+  if (isNaN(majorVersion)) {
+   fullVersion  = ''+parseFloat(navigator.appVersion); 
+   majorVersion = parseInt(navigator.appVersion,10);
+  }
+
+  // OSName variable is set as follows:
+  // "Windows"    for all versions of Windows
+  // "MacOS"      for all versions of Macintosh OS
+  // "Linux"      for all versions of Linux
+  // "UNIX"       for all other UNIX flavors 
+  // "Unknown OS" indicates failure to detect the OS
+  var OSName="Unknown OS";
+  if (navigator.appVersion.indexOf("Win") != -1) OSName="Windows";
+  if (navigator.appVersion.indexOf("Mac") != -1) OSName="MacOS";
+  if (navigator.appVersion.indexOf("X11") != -1) OSName="UNIX";
+  if (navigator.appVersion.indexOf("Linux") != -1) OSName="Linux";
+
+  browser.name = browserName;
+  browser.version = fullVersion;
+  browser.platform = OSName;
+
+  return browser;
+}