AMBARI-13183. Unable to 'Download CSV' file from the Kerberos Wizard on Safari (akovalenko)

ambari-web/app/controllers/main/admin/kerberos/step5_controller.js

@@ -64,6 +64,8 @@ App.KerberosWizardStep5Controller = App.KerberosProgressPageController.extend({
   downloadCSV: function () {
     if ($.browser.msie && $.browser.version < 10) {
       this.openInfoInNewTab();
+    } else if (typeof safari !== 'undefined') {
+      this.safariDownload();
     } else {
       try {
         var blob = new Blob([stringUtils.arrayToCSV(this.get('csvData'))], {type: "text/csv;charset=utf-8;"});
@@ -74,6 +76,20 @@ App.KerberosWizardStep5Controller = App.KerberosProgressPageController.extend({
     }
   },
 
+  /**
+   * Hack to dowload csv data in Safari
+   */
+  safariDownload: function() {
+    var file = 'data:attachment/csv;charset=utf-8,' + encodeURI(stringUtils.arrayToCSV(this.get('csvData')));
+    var linkEl = document.createElement("a");
+    linkEl.href = file;
+    linkEl.download = 'kerberos.csv';
+
+    document.body.appendChild(linkEl);
+    linkEl.click();
+    document.body.removeChild(linkEl);
+  },
+
   /**
    * open content of CSV file in new window
    */