Watch for and notify guest users if they try to create more then one

experiment.

www/aptui/instantiate.php

@@ -363,7 +363,8 @@ if (!isset($create)) {
 	    #
 	    $instance = Instance::LookupByCreator($geniuser->uuid());
 	    if ($instance && $instance->status() != "terminating") {
-		header("Location: status.php?uuid=" . $instance->uuid());
+		header("Location: status.php?oneonly=1&uuid=" .
+		       $instance->uuid());
 		return;
 	    }
 	    $defaults["username"] = $geniuser->name();
@@ -516,7 +517,8 @@ if (!$this_user &&
 		setcookie("quickvm_user",
 			  $geniuser->uuid(), time() + (24 * 3600 * 30),
 			  "/", $TBAUTHDOMAIN, 0);
-		header("Location: status.php?uuid=" . $instance->uuid());
+		header("Location: status.php?oneonly=1&uuid=" .
+		       $instance->uuid());
 		return;
 	    }
 	}

www/aptui/js/status.js

@@ -8,16 +8,18 @@ require(window.APT_OPTIONS.configObject,
 	 'js/lib/text!template/extend-modal.html',
 	 'js/lib/text!template/clone-help.html',
 	 'js/lib/text!template/snapshot-help.html',
+	 'js/lib/text!template/oneonly-modal.html',
 	 'tablesorter', 'tablesorterwidgets'],
 function (_, sup, moment, ShowImagingModal,
 	  statusString, waitwaitString, oopsString,
 	  registerString, terminateString, extendString,
-	  cloneHelpString, snapshotHelpString)
+	  cloneHelpString, snapshotHelpString, oneonlyString)
 {
     'use strict';
     var nodecount   = 0;
     var ajaxurl     = null;
     var uuid        = null;
+    var oneonly     = 0;
     var status_collapsed  = false;
     var status_message    = "";
     var statusTemplate    = _.template(statusString);
@@ -26,12 +28,14 @@ function (_, sup, moment, ShowImagingModal,
     var registerTemplate  = _.template(registerString);
     var terminateTemplate = _.template(terminateString);
     var extendTemplate    = _.template(extendString);
+    var oneonlyTemplate   = _.template(oneonlyString);
 
     function initialize()
     {
 	window.APT_OPTIONS.initialize(sup);
 	ajaxurl = window.APT_OPTIONS.AJAXURL;
 	uuid    = window.APT_OPTIONS.uuid;
+	oneonly = window.APT_OPTIONS.oneonly;
 	var instanceStatus = window.APT_OPTIONS.instanceStatus;
 
 	// Generate the templates.
@@ -59,6 +63,8 @@ function (_, sup, moment, ShowImagingModal,
 	$('#extend_div').html(extend_html);
     	var terminate_html = terminateTemplate(template_args);
 	$('#terminate_div').html(terminate_html);
+    	var oneonly_html = oneonlyTemplate(template_args);
+	$('#oneonly_div').html(oneonly_html);
 
 	//
 	// Look at initial status to determine if we show the progress bar.
@@ -238,7 +244,10 @@ function (_, sup, moment, ShowImagingModal,
 
 	StartCountdownClock(window.APT_OPTIONS.sliceExpires);
 	GetStatus(uuid);
-	if (window.APT_OPTIONS.snapping) {
+	if (window.APT_OPTIONS.oneonly) {
+	    sup.ShowModal('#oneonly-modal');
+	}
+	else if (window.APT_OPTIONS.snapping) {
 	    ShowProgressModal();
 	}
     }
@@ -761,7 +770,7 @@ function (_, sup, moment, ShowImagingModal,
 	    /*
 	     * If a single node, show the clone button and maybe the
 	     * the snapshot; the user must own the profile it was
-	     * created from in order to do a snapshot. 
+	     * created from in order to do a snapshot.
 	     */
 	    if (nodecount == 1) {
 		$("#clone_button").removeClass("hidden");
@@ -773,7 +782,7 @@ function (_, sup, moment, ShowImagingModal,
 	    }
 
 	    // And start up ssh for single node topologies.
-	    if (nodecount == 1 && nodehostport) {
+	    if (nodecount == 1 && nodehostport && !oneonly) {
 		NewSSHTab(nodehostport, nodename);
 	    }
 	}

www/aptui/status.php

@@ -41,7 +41,8 @@ $this_user = CheckLogin($check_status);
 #
 # Verify page arguments.
 #
-$reqargs = OptionalPageArguments("uuid",          PAGEARG_STRING);
+$reqargs = OptionalPageArguments("uuid", PAGEARG_STRING,
+				 "oneonly", PAGEARG_BOOLEAN);
 
 if (!isset($uuid)) {
     SPITHEADER(1);
@@ -118,6 +119,7 @@ $cansnap         = ((isset($this_user) &&
 		     $this_user->idx() == $profile->creator_idx()) ||
 		    ISADMIN() ? 1 : 0);
 $snapping        = 0;
+$oneonly         = (isset($oneonly) && $oneonly ? 1 : 0);
 
 #
 # See if we have a task running in the background for this instance.
@@ -154,6 +156,7 @@ echo "  window.APT_OPTIONS.creatorEmail = '" . $creator_email . "';\n";
 echo "  window.APT_OPTIONS.registered = $registered;\n";
 echo "  window.APT_OPTIONS.cansnap = $cansnap;\n";
 echo "  window.APT_OPTIONS.snapping = $snapping;\n";
+echo "  window.APT_OPTIONS.oneonly = $oneonly;\n";
 echo "  window.APT_OPTIONS.AJAXURL = 'server-ajax.php';\n";
 echo "</script>\n";
 echo "<script src='js/lib/jquery-2.0.3.min.js'></script>\n";

www/aptui/template/oneonly-modal.html

+<!-- This is the One-Only modal -->
+<div id='oneonly-modal' class='modal fade'>
+  <div class='modal-dialog'>
+    <div class='modal-content'>
+      <div class='modal-body'>
+	<p>You have another experiment registered with this email
+	address. Guest users in Apt are allowed one experiment at a
+	time. You can return to your existing experiment, or register for
+	an account if you like to make a new one. 
+        </p>
+	<br>
+        <center>
+          <button type='button' style='margin-right: 20px;'
+                  class='btn btn-success btn-sm' 
+                  data-dismiss='modal' aria-hidden='true'>
+	    Return to Experiment</button>
+	  <a class='btn btn-primary btn-sm' href='signup.php'>
+	    Register</a>
+      </div>
+    </div>
+  </div>
+</div>
+

www/aptui/template/status.html

@@ -190,4 +190,5 @@
   <div id='register_div'></div>
   <div id='extend_div'></div>
   <div id='imaging_div'></div>
+  <div id='oneonly_div'></div>
 </div>