Merge branch 'devel' of https://github.com/arangodb/arangodb into devel

CHANGELOG

@@ -56,6 +56,8 @@ edge attribute `label`.
 v3.1.9 (XXXX-XX-XX)
 -------------------
 
+* ui: fixed re-login issue within a non system db, when tab was closed
+
 * fixed a race in the VelocyStream Commtask implementation
 
 * fixed issue #2256

js/apps/system/_admin/aardvark/APP/frontend/js/arango/arango.js

@@ -48,8 +48,13 @@
       return localStorage.getItem('jwt');
     },
 
-    setCurrentJwt: function (jwt) {
+    getCurrentJwtUsername: function () {
+      return localStorage.getItem('jwtUser');
+    },
+
+    setCurrentJwt: function (jwt, username) {
       localStorage.setItem('jwt', jwt);
+      localStorage.setItem('jwtUser', username);
     },
 
     lastNotificationMessage: null,

js/apps/system/_admin/aardvark/APP/frontend/js/collections/arangoUsers.js

@@ -51,9 +51,8 @@ window.ArangoUsers = Backbone.Collection.extend({
       dataType: 'json'
     }).success(
       function (data) {
-        arangoHelper.setCurrentJwt(data.jwt);
-
         var jwtParts = data.jwt.split('.');
+
         if (!jwtParts[1]) {
           throw new Error('Invalid JWT');
         }
@@ -61,14 +60,21 @@ window.ArangoUsers = Backbone.Collection.extend({
         if (!window.atob) {
           throw new Error('base64 support missing in browser');
         }
-        var payload = JSON.parse(atob(jwtParts[1]));
 
+        var payload = JSON.parse(atob(jwtParts[1]));
         self.activeUser = payload.preferred_username;
+
+        if (self.activeUser === undefined) {
+          arangoHelper.setCurrentJwt(data.jwt, null);
+        } else {
+          arangoHelper.setCurrentJwt(data.jwt, self.activeUser);
+        }
+
         callback(false, self.activeUser);
       }
     ).error(
       function () {
-        arangoHelper.setCurrentJwt(null);
+        arangoHelper.setCurrentJwt(null, null);
         self.activeUser = null;
         callback(true, null);
       }

js/apps/system/_admin/aardvark/APP/frontend/js/views/loginView.js

@@ -23,17 +23,17 @@
 
     render: function (loggedIn) {
       var self = this;
-
       $(this.el).html(this.template.render({}));
       $(this.el2).hide();
       $(this.el3).hide();
 
-      if (frontendConfig.authenticationEnabled && loggedIn !== true) {
+      var continueRender = function (user, errCallback) {
-        window.setTimeout(function () {
+        var url;
-          $('#loginUsername').focus();
+        if (!user) {
-        }, 300);
+          url = arangoHelper.databaseUrl('/_api/database/user');
         } else {
-        var url = arangoHelper.databaseUrl('/_api/database/user');
+          url = arangoHelper.databaseUrl('/_api/user/' + encodeURIComponent(user) + '/database', '_system');
+        }
 
         if (frontendConfig.authenticationEnabled === false) {
           $('#logout').hide();
@@ -47,17 +47,45 @@
           // enable db select and login button
           $('#loginDatabase').html('');
           // fill select with allowed dbs
-
+          _.each(permissions.result, function (rule, db) {
-          _.each(permissions.result, function (db) {
+            if (errCallback) {
               $('#loginDatabase').append(
                 '<option>' + db + '</option>'
               );
+            } else {
+              $('#loginDatabase').append(
+                '<option>' + rule + '</option>'
+              );
+            }
           });
 
           self.renderDBS();
         }).error(function () {
+          if (errCallback) {
+            errCallback();
+          } else {
             console.log('could not fetch user db data');
+          }
         });
+      };
+
+      if (frontendConfig.authenticationEnabled && loggedIn !== true) {
+        var usr = arangoHelper.getCurrentJwtUsername();
+        if (usr !== null && usr !== 'undefined' && usr !== undefined) {
+          // try if existent jwt is valid
+          var errCallback = function () {
+            window.setTimeout(function () {
+              $('#loginUsername').focus();
+            }, 300);
+          };
+          continueRender(arangoHelper.getCurrentJwtUsername(), errCallback);
+        } else {
+          window.setTimeout(function () {
+            $('#loginUsername').focus();
+          }, 300);
+        }
+      } else {
+        continueRender();
       }
 
       $('.bodyWrapper').show();
@@ -132,6 +160,12 @@
           '<option>_system</option>'
         );
       } else {
+        self.renderDBSelection(username);
+      }
+    },
+
+    renderDBSelection: function (username) {
+      var self = this;
       var url = arangoHelper.databaseUrl('/_api/user/' + encodeURIComponent(username) + '/database', '_system');
 
       if (frontendConfig.authenticationEnabled === false) {
@@ -167,7 +201,6 @@
       }).error(function () {
         $('.wrong-credentials').show();
       });
-      }
     },
 
     renderDBS: function () {