Support Linux Compatibility for Binary Download

BrowserStackLocal/BrowserStackLocal/BrowserStackLocal.csproj

@@ -31,4 +31,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>

BrowserStackLocal/BrowserStackLocal/BrowserStackTunnel.cs

@@ -14,11 +14,11 @@ public enum LocalState { Idle, Connecting, Connected, Error, Disconnected };
 
   public class BrowserStackTunnel : IDisposable
   {
-    static readonly string binaryName = isDarwin() ? "BrowserStackLocal-darwin-x64" : "BrowserStackLocal.exe";
-    static readonly string downloadURL = isDarwin() ?
-                                        "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal-darwin-x64" :
-                                        "https://www.browserstack.com/local-testing/downloads/binaries/BrowserStackLocal.exe";
-    static readonly string homepath = isDarwin() ?
+    static readonly string uname = Util.GetUName();
+    static readonly string binaryName = GetBinaryName();
+    static readonly string downloadURL = "https://www.browserstack.com/local-testing/downloads/binaries/" + binaryName;
+
+    static readonly string homepath = !IsWindows() ?
                                         Environment.GetFolderPath(Environment.SpecialFolder.Personal) :
                                         Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");
     public static readonly string[] basePaths = new string[] {
@@ -37,10 +37,51 @@ public class BrowserStackTunnel : IDisposable
 
     Process process = null;
 
-    static Boolean isDarwin()
+    static bool IsDarwin(string osName)
+    {
+      return osName.Contains("darwin");
+    }
+
+
+    static bool IsWindows()
+    {
+      return Environment.OSVersion.VersionString?.ToLower().Contains("windows") ?? false;
+    }
+
+    static bool IsLinux(string osName)
+    {
+      return osName.Contains("linux");
+    }
+
+    static bool IsAlpine()
     {
-      OperatingSystem os = Environment.OSVersion;
-      return os.Platform.ToString() == "Unix";
+      try
+      {
+        string[] output = Util.RunShellCommand("grep", "-w \'NAME\' /etc/os-release");
+        return output[0]?.ToLower()?.Contains("alpine") ?? false;
+      }
+      catch (System.Exception ex)
+      {
+        Console.WriteLine("Exception while check isAlpine " + ex);
+      }
+      return false;
+    }
+
+    static string GetBinaryName()
+    {
+      if (IsWindows()) return "BrowserStackLocal.exe";
+      if (IsDarwin(uname)) return "BrowserStackLocal-darwin-x64";
+
+      if (IsLinux(uname))
+      {
+          if (Util.Is64BitOS())
+          {
+            return IsAlpine() ? "BrowserStackLocal-alpine" : "BrowserStackLocal-linux-x64";
+          }
+          return "BrowserStackLocal-linux-ia32";
+      }
+
+      return "BrowserStackLocal.exe";
     }
 
     public virtual void addBinaryPath(string binaryAbsolute)
@@ -79,7 +120,7 @@ public virtual void fallbackPaths()
 
     public void modifyBinaryPermission()
     {
-      if (isDarwin())
+      if (!IsWindows())
        {
         try
         {

BrowserStackLocal/BrowserStackLocal/Util.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Diagnostics;
+
+namespace BrowserStack
+{
+    public class Util {
+
+        // Only Unix Support
+        public static string[] RunShellCommand(string command, string args = "")
+        {
+            ProcessStartInfo psi = new ProcessStartInfo {
+                RedirectStandardOutput = true,
+                RedirectStandardError = true,
+                UseShellExecute = false,
+                CreateNoWindow = true,
+                FileName = command,
+                Arguments = args
+            };
+
+            Process process = new Process { StartInfo = psi };
+            process.Start();
+            string output = process.StandardOutput.ReadToEnd();
+            string error = process.StandardError.ReadToEnd();
+            process.WaitForExit();
+            return new string[]{output, error};
+        }
+
+        public static string GetUName()
+        {
+            string osName = "";
+            try
+            {
+                string[] output = RunShellCommand("uname");
+                osName = output[0]?.ToLower();
+            }
+            catch (System.Exception) {}
+            return osName;
+        }
+
+        // Using for Linux Only
+        public static bool Is64BitOS()
+        {
+            #if NET48_OR_GREATER || NETSTANDARD2_0_OR_GREATER || NETCOREAPP3_0_OR_GREATER
+                return Environment.Is64BitOperatingSystem;
+            #endif
+            // https://learn.microsoft.com/en-gb/dotnet/standard/choosing-core-framework-server?WT.mc_id=dotnet-35129-website
+            // linux won't be supported in .NET Framework and fallback to 64 bit
+            return true;
+        }
+    }
+}
+