add SSH key check

Author: com6056

proxstar/static/js/script.js

@@ -267,6 +267,7 @@ $("#create-vm").click(function(){
     const max_cpu = $(this).data('max_cpu');
     const max_mem = $(this).data('max_mem');
     const max_disk = $(this).data('max_disk');
+    var ssh_regex = new RegExp("ssh-rsa AAAA[0-9A-Za-z+/]+[=]{0,3}( [^@]+@[^@]+)?")
     var disk = document.getElementById('disk').value;
     fetch(`/template/${template}/disk`, {
         credentials: 'same-origin',
@@ -279,7 +280,9 @@ $("#create-vm").click(function(){
         return disk
     }).then((disk) => {
         if (name && disk) {
-            if (disk > max_disk) {
+            if (!ssh_regex.test(ssh_key)) {
+                swal("Uh oh...", "Invalid SSH key!", "error");
+            } else if (disk > max_disk) {
                 swal("Uh oh...", `You do not have enough disk resources available! Please lower the VM disk size to ${max_disk}GB or lower.`, "error");
             } else if (template != 'none' && cores > max_cpu) {
                 swal("Uh oh...", `You do not have enough CPU resources available! Please lower the VM cores to ${max_cpu} or lower.`, "error");