Issue 447

Author: siddhijain

msal4j-sdk/src/main/java/com/microsoft/aad/msal4j/AcquireTokenByInteractiveFlowSupplier.java

@@ -108,6 +108,17 @@ private void updateRedirectUrl() {
     }
 
     private void openDefaultSystemBrowser(URL url) {
+        String os = System.getProperty("os.name").toLowerCase();
+        if (os.contains("windows")) {
+            openDefaultSystemBrowserInWindows(url);
+        } else if (os.contains("mac")) { // mac os
+            openDefaultSystemBrowserInMac(url);
+        } else if(os.contains("nux") || os.contains("nix")) { //linux or unix os
+            openDefaultSystemBrowserInLinux(url);
+        }
+    }
+
+    private static void openDefaultSystemBrowserInWindows(URL url){
         try {
             if (Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE)) {
                 Desktop.getDesktop().browse(url.toURI());
@@ -121,6 +132,24 @@ private void openDefaultSystemBrowser(URL url) {
         }
     }
 
+    private static void openDefaultSystemBrowserInMac(URL url){
+        Runtime runtime = Runtime.getRuntime();
+        try {
+            runtime.exec("open " + url);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void openDefaultSystemBrowserInLinux(URL url){
+        Runtime runtime = Runtime.getRuntime();
+        try {
+            runtime.exec("xdg-open " + url);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     private AuthorizationResult getAuthorizationResultFromHttpListener() {
         AuthorizationResult result = null;
         try {