Show Kratos general failure messages (for example for r wrong password), fix welcome message

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## Unreleased
+
+- Fix login welcome message
+- Clarify "set new password" button (#94)
+- Show error messages when login fails, for example when a wrong password was
+  entered (#96)
+
 ## [0.5.1]
 
 - Fix bug of missing "Monitoring" app access when creating a new user.

backend/web/login/login.py

@@ -118,7 +118,13 @@ def login():
     identity = get_auth()
 
     if identity:
-        return render_template("loggedin.html", api_url=KRATOS_PUBLIC_URL, id=id)
+        if 'name' in identity['traits']:
+            # Add a space in front of the "name" so the template can put it
+            # between "Welcome" and the comma
+            name = " " + identity['traits']['name']
+        else:
+            name = ""
+        return render_template("loggedin.html", api_url=KRATOS_PUBLIC_URL, name=name)
 
     flow = request.args.get("flow")
 

backend/web/static/base.js

@@ -16,7 +16,6 @@
 
 */
 
-
 // Check if an auth flow is configured and redirect to auth page in that
 // case.
 function check_flow_auth() {
@@ -35,54 +34,49 @@ function check_flow_expired() {
 
   if (state == 'flow_expired') {
     Cookies.set('flow_state', '');
-        $("#contentFlowExpired").show();
+    $('#contentFlowExpired').show();
   }
 }
 
-
-
 // The script executed on login flows
 function flow_login() {
-
   var flow = $.urlParam('flow');
   var uri = api_url + 'self-service/login/flows?id=' + flow;
 
   // Query the Kratos backend to know what fields to render for the
   // current flow
   $.ajax({
-        type: "GET",
+    type: 'GET',
     url: uri,
     success: function (data) {
-
       // Render login form (group: password)
-            var html = render_form(data, 'password');
+      var form_html = render_form(data, 'password');
-            $("#contentLogin").html(html);
+      $('#contentLogin').html(form_html);
 
+      var messages_html = render_messages(data);
+      $('#contentMessages').html(messages_html);
     },
     complete: function (obj) {
-
       // If we get a 410, the flow is expired, need to refresh the flow
       if (obj.status == 410) {
         Cookies.set('flow_state', 'flow_expired');
         // If we call the page without arguments, we get a new flow
         window.location.href = 'login';
       }
-        }
+    },
   });
 }
 
 // This is called after a POST on settings. It tells if the save was
 // successful and display / handles based on that outcome
 function flow_settings_validate() {
-
   var flow = $.urlParam('flow');
   var uri = api_url + 'self-service/settings/flows?id=' + flow;
 
   $.ajax({
-        type: "GET",
+    type: 'GET',
     url: uri,
     success: function (data) {
-
       // We had success. We save that fact in our flow_state
       // cookie and regenerate a new flow
       if (data.state == 'success') {
@@ -90,41 +84,37 @@ function flow_settings_validate() {
 
         // Redirect to generate new flow ID
         window.location.href = 'settings';
-            }
+      } else {
-            else {
         // There was an error, Kratos does not specify what is
         // wrong. So we just show the general error message and
         // let the user figure it out. We can re-use the flow-id
-                $("#contentProfileSaveFailed").show();
+        $('#contentProfileSaveFailed').show();
 
         // For now, this code assumes that only the password can fail
         // validation. Other forms might need to be added in the future.
-                html = render_form(data, 'password')
+        html = render_form(data, 'password');
-                $("#contentPassword").html(html)
+        $('#contentPassword').html(html);
-            }
       }
+    },
   });
 }
 
-
 // Render the settings flow, this is where users can change their personal
 // settings, like name and password. The form contents are defined by Kratos
 function flow_settings() {
-
   // Get the details from the current flow from kratos
   var flow = $.urlParam('flow');
   var uri = api_url + 'self-service/settings/flows?id=' + flow;
   $.ajax({
-        type: "GET",
+    type: 'GET',
     url: uri,
     success: function (data) {
-
+      var state = Cookies.get('flow_state');
-            var state = Cookies.get('flow_state')
 
       // If we have confirmation the settings are saved, show the
       // notification
       if (state == 'settings_saved') {
-                $("#contentProfileSaved").show();
+        $('#contentProfileSaved').show();
         Cookies.set('flow_state', 'settings');
       }
 
@@ -132,21 +122,19 @@ function flow_settings() {
       // so the user is not confused by other fields. The user
       // probably want to setup a password only first.
       if (state == 'recovery') {
-                $("#contentProfile").hide();
+        $('#contentProfile').hide();
       }
 
-
       // Render the password & profile form based on the fields we got
       // from the API
       var html = render_form(data, 'password');
-            $("#contentPassword").html(html);
+      $('#contentPassword').html(html);
 
       html = render_form(data, 'profile');
-            $("#contentProfile").html(html);
+      $('#contentProfile').html(html);
 
       // If the submit button is hit, execute the POST with Ajax.
-            $("#formpassword").submit(function(e) {
+      $('#formpassword').submit(function (e) {
-
         // avoid to execute the actual submit of the form.
         e.preventDefault();
 
@@ -154,7 +142,7 @@ function flow_settings() {
         var url = form.attr('action');
 
         $.ajax({
-                    type: "POST",
+          type: 'POST',
           url: url,
           data: form.serialize(),
           complete: function (obj) {
@@ -163,21 +151,15 @@ function flow_settings() {
           },
         });
       });
-
-
-
     },
     complete: function (obj) {
-
       // If we get a 410, the flow is expired, need to refresh the flow
       if (obj.status == 410) {
         Cookies.set('flow_state', 'flow_expired');
         window.location.href = 'settings';
       }
-
+    },
-        }
   });
-
 }
 
 function flow_recover() {
@@ -185,17 +167,15 @@ function flow_recover() {
   var uri = api_url + 'self-service/recovery/flows?id=' + flow;
 
   $.ajax({
-        type: "GET",
+    type: 'GET',
     url: uri,
     success: function (data) {
-
       // Render the recover form, method 'link'
       var html = render_form(data, 'link');
-            $("#contentRecover").html(html);
+      $('#contentRecover').html(html);
 
       // Do form post as an AJAX call
-            $("#formlink").submit(function(e) {
+      $('#formlink').submit(function (e) {
-
         // avoid to execute the actual submit of the form.
         e.preventDefault();
 
@@ -205,30 +185,24 @@ function flow_recover() {
         // keep stat we are in recovery
         Cookies.set('flow_state', 'recovery');
         $.ajax({
-                    type: "POST",
+          type: 'POST',
           url: url,
           data: form.serialize(), // serializes the form's elements.
-                    success: function(data)
+          success: function (data) {
-                    {
-
             // Show the request is sent out
-                        $("#contentRecover").hide();
+            $('#contentRecover').hide();
-                        $("#contentRecoverRequested").show();
+            $('#contentRecoverRequested').show();
-                    }
+          },
         });
       });
-
-
     },
     complete: function (obj) {
-
       // If we get a 410, the flow is expired, need to refresh the flow
       if (obj.status == 410) {
         Cookies.set('flow_state', 'flow_expired');
         window.location.href = 'recovery';
-
-            }
       }
+    },
   });
 }
 
@@ -240,27 +214,40 @@ function flow_recover() {
 // data: data object as returned form the API
 // group: group to render.
 function render_form(data, group) {
-
   // Create form
   var action = data.ui.action;
   var method = data.ui.method;
   var form = "<form id='form" + group + "' method='" + method + "' action='" + action + "'>";
 
   for (const node of data.ui.nodes) {
-
     var name = node.attributes.name;
     var type = node.attributes.type;
     var value = node.attributes.value;
-        var messages = node.messages
+    var messages = node.messages;
 
     if (node.group == 'default' || node.group == group) {
       var elm = getFormElement(type, name, value, messages);
       form += elm;
     }
   }
-    form += "</form>";
+  form += '</form>';
   return form;
+}
 
+// Check if there are any general messages to show to the user and render them
+function render_messages(data) {
+  var messages = data.ui.messages;
+  if (messages == []) {
+    return '';
+  }
+  var html = '<ul>';
+  messages.forEach((message) => {
+    html += '<li>';
+    html += message.text;
+    html += '</li>';
+  });
+  html += '</ul>';
+  return html;
 }
 
 // Return form element based on name, including help text (sub), placeholder etc.
@@ -274,14 +261,14 @@ function render_form(data, group) {
 // value: If there is already a value known, show it
 // messages: error messages related to the field
 function getFormElement(type, name, value, messages) {
-    console.log("Getting form element", type, name, value, messages)
+  console.log('Getting form element', type, name, value, messages);
 
   if (value == undefined) {
     value = '';
   }
 
-    if (typeof(messages) == "undefined") {
+  if (typeof messages == 'undefined') {
-        messages = []
+    messages = [];
   }
 
   if (name == 'email' || name == 'traits.email') {
@@ -291,37 +278,19 @@ function getFormElement(type, name, value, messages) {
       value,
       'E-mail address',
       'Please enter your e-mail address here',
-                'Please provide your e-mail address. We will send a recovery ' +
+      'Please provide your e-mail address. We will send a recovery ' + 'link to that e-mail address.',
-                'link to that e-mail address.',
       messages,
     );
   }
 
   if (name == 'traits.username') {
-        return getFormInput(
+    return getFormInput('name', name, value, 'Username', 'Please provide an username', null, messages);
-                'name',
-                name,
-                value,
-                'Username',
-                'Please provide an username',
-                null,
-                messages,
-                );
   }
 
   if (name == 'traits.name') {
-        return getFormInput(
+    return getFormInput('name', name, value, 'Full name', 'Please provide your full name', null, messages);
-                'name',
-                name,
-                value,
-                'Full name',
-                'Please provide your full name',
-                null,
-                messages,
-                );
   }
 
-
   if (name == 'identifier') {
     return getFormInput(
       'email',
@@ -335,37 +304,37 @@ function getFormElement(type, name, value, messages) {
   }
 
   if (name == 'password') {
-        return getFormInput(
+    return getFormInput('password', name, value, 'Password', 'Please provide your password', null, messages);
-                'password',
+  }
-                name,
+
-                value,
+  if (type == 'hidden' || name == 'traits.uuid') {
-                'Password',
+    return (
-                'Please provide your password',
+      `
-                null,
+            <input type="hidden" class="form-control" id="` +
-                messages,
+      name +
+      `"
+            name="` +
+      name +
+      `" value='` +
+      value +
+      `'>`
     );
   }
 
-
-    if (type == 'hidden' || name == 'traits.uuid') {
-
-        return `
-            <input type="hidden" class="form-control" id="`+name+`"
-            name="`+name+`" value='`+value+`'>`;
-    }
-
   if (type == 'submit') {
-
+    return (
-        return `<div class="form-group">
+      `<div class="form-group">
-            <input type="hidden" name="`+name+`" value="`+value+`">
+            <input type="hidden" name="` +
+      name +
+      `" value="` +
+      value +
+      `">
              <button type="submit" class="btn btn-primary">Go!</button>
-            </div>`;
+            </div>`
+    );
   }
 
-
   return getFormInput('input', name, value, name, null, null, messages);
-
-
 }
 
 // Usually called by getFormElement, generic function to generate an
@@ -378,13 +347,13 @@ function getFormElement(type, name, value, messages) {
 // param help: Additional help text, displayed below the field in small font
 // param messages: Message about failed input
 function getFormInput(type, name, value, label, placeHolder, help, messages) {
-    if (typeof(help) == "undefined" || help == null) {
+  if (typeof help == 'undefined' || help == null) {
-        help = ""
+    help = '';
   }
-    console.log("Messages: ", messages);
+  console.log('Messages: ', messages);
 
   // Id field for help element
-    var nameHelp = name + "Help";
+  var nameHelp = name + 'Help';
 
   var element = '<div class="form-group">';
   element += '<label for="' + name + '">' + label + '</label>';
@@ -393,8 +362,8 @@ function getFormInput(type, name, value, label, placeHolder, help, messages) {
   // messages get appended to help info
   if (messages.length) {
     for (message in messages) {
-            console.log("adding message", messages[message])
+      console.log('adding message', messages[message]);
-            help += messages[message]['text']
+      help += messages[message]['text'];
     }
   }
 
@@ -408,11 +377,15 @@ function getFormInput(type, name, value, label, placeHolder, help, messages) {
   if (placeHolder) {
     element += 'placeholder="' + placeHolder + '" ';
   }
-    element += ">";
+  element += '>';
 
   if (help) {
     element +=
-        `<small id="`+nameHelp+`" class="form-text text-muted">` + help + `
+      `<small id="` +
+      nameHelp +
+      `" class="form-text text-muted">` +
+      help +
+      `
         </small>`;
   }
 
@@ -421,11 +394,9 @@ function getFormInput(type, name, value, label, placeHolder, help, messages) {
   return element;
 }
 
-
-
 // $.urlParam get parameters from the URI. Example: id =  $.urlParam('id');
 $.urlParam = function (name) {
-    var results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(window.location.href);
+  var results = new RegExp('[?&]' + name + '=([^&#]*)').exec(window.location.href);
   if (results == null) {
     return null;
   }

backend/web/templates/loggedin.html

@@ -1,5 +1,3 @@
-
-
 {% extends 'base.html' %}
 
 {% block content %}
@@ -18,10 +16,10 @@
 
 
 <div id="contentMessages"></div>
-    <div id="contentWelcome">Welcome {{ id['name'] }},<br/><br/>
+<div id="contentWelcome">
-    You are already logged in.
+    Welcome{{ name }},
-    
+    <br/><br/>
-
+    You are logged in.
 </div>
 
 

backend/web/templates/login.html

@@ -19,7 +19,7 @@
     <div id="contentMessages"></div>
     <div id="contentLogin"></div>
     <div id="contentHelp">
-        <a href='recovery'>Forget password?</a> | <a href='https://stackspin.net'>About stackspin</a>
+        <a href='recovery'>Set new password</a> | <a href='https://stackspin.net'>About stackspin</a>
     </div>
 
 {% endblock %}