Use built-in login validation (#6434)

* Use built-in login validation

* use button instead of submit to avoid duplicate submits

---------

Co-authored-by: Simon Smith <simonsmith5521@gmail.com>

views/login-mobile.handlebars

@@ -63,15 +63,15 @@
                                     <table>
                                         <tr>
                                             <td id=loginusername align=right width=100>Username:</td>
-                                            <td><input id=username type=text autocomplete="username" maxlength=64 name=username onchange=validateLogin(1) onkeyup=validateLogin(1,event) /></td>
+                                            <td><input id=username type=text autocomplete="username" maxlength=64 name=username required /></td>
                                         </tr>
                                         <tr>
                                             <td align=right>Password:</td>
-                                            <td><input id=password type=password autocomplete="current-password" maxlength=256 name=password autocomplete=off onchange=validateLogin(2) onkeyup=validateLogin(2,event) /></td>
+                                            <td><input id=password type=password autocomplete="current-password" maxlength=256 name=password autocomplete=off required /></td>
                                         </tr>
                                         <tr>
                                             <td><div id=showPassHintLink style=display:none><a onclick=showPassHint() style="cursor:pointer">Show Hint</a></div></td>
-                                            <td align=right><input id=loginButton type=submit value="Log In" disabled="disabled" /></td>
+                                            <td align=right><input id=loginButton type=submit value="Log In" /></td>
                                         </tr>
                                     </table>
                                     <div id="hrAccountDiv" style="display:none"><hr /></div>
@@ -422,7 +422,6 @@
 
             window.onresize = center;
             center();
-            validateLogin();
             validateCreate();
             if (loginMode.length != 0) { go(parseInt(loginMode)); } else { go(1); }
             QV('newAccountDiv', (newAccount === '1') || (newAccount === 'true')); // If new accounts are not allowed, don't display the new account link.
@@ -573,16 +572,6 @@
             }
         }
 
-        function validateLogin(box, e) {
-            setTimeout(function(){
-                var ok = ((Q('username').value.length > 0) && (Q('username').value.indexOf(' ') == -1) && (Q('password').value.length > 0));
-                QE('loginButton', ok);
-                setDialogMode(0);
-                if ((e != null) && (e.keyCode == 13)) { if (box == 1) { Q('password').focus(); } else if (box == 2) { Q('loginButton').click(); } }
-                if (e != null) { haltEvent(e); }
-            }, 100);
-        }
-
         function validateCreate(box,e) {
             setDialogMode(0);
             var ok = false;

views/login.handlebars

@@ -55,15 +55,15 @@
                                     <table>
                                         <tr>
                                             <td id=loginusername align=right width=100>Username:</td>
-                                            <td><input id=username {{{autocomplete}}}="username" type=text maxlength=64 name=username onchange=validateLogin(1) onkeyup=validateLogin(1,event) /></td>
+                                            <td><input id=username {{{autocomplete}}}="username" type=text maxlength=64 name=username required /></td>
                                         </tr>
                                         <tr>
                                             <td align=right>Password:</td>
-                                            <td><input id=password {{{autocomplete}}}="current-password" type=password maxlength=256 name=password onchange=validateLogin(2) onkeyup=validateLogin(2,event) /></td>
+                                            <td><input id=password {{{autocomplete}}}="current-password" type=password maxlength=256 name=password required /></td>
                                         </tr>
                                         <tr>
                                             <td><div id=showPassHintLink style=display:none><a onclick="return showPassHint(event);" href="#" style="cursor:pointer">Show Hint</a></div></td>
-                                            <td align=right><input id=loginButton type=submit value="Log In" disabled="disabled" /></td>
+                                            <td align=right><input id=loginButton type=submit value="Log In" /></td>
                                         </tr>
                                     </table>
                                     <div id="hrAccountDiv" style="display:none"><hr /></div>
@@ -456,7 +456,6 @@
             window.onresize = center;
             center();
 
-            validateLogin();
             validateCreate();
             if (loginMode.length != 0) { go(parseInt(loginMode)); } else { go(1); }
             QV('newAccountDiv', (newAccount === '1') || (newAccount === 'true')); // If new accounts are not allowed, don't display the new account link.
@@ -661,16 +660,6 @@
             }
         }
 
-        function validateLogin(box, e) {
-            setTimeout(function(){
-                var ok = ((Q('username').value.length > 0) && (Q('username').value.indexOf(' ') == -1) && (Q('password').value.length > 0));
-                QE('loginButton', ok);
-                setDialogMode(0);
-                if ((e != null) && (e.keyCode == 13)) { if ((box == 1) && (Q('username').value != '')) { Q('password').focus(); } else if ((box == 2) && (Q('password').value != '')) { Q('loginButton').click(); } }
-                if (e != null) { haltEvent(e); }
-            }, 100);
-        }
-
         function validateCreate(box, e) {
             setDialogMode(0);
             var userok = false;

views/login2.handlebars

@@ -69,12 +69,12 @@
                             <table style="width:100%">
                                 <tr>
                                     <td>
-                                        <input id=username title="Username" style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:8px;background-color:#FFF8CC" {{{autocomplete}}}="username" placeholder="Username" type=text maxlength=64 name=username onchange=validateLogin(1) onkeyup=validateLogin(1,event) />
+                                        <input id=username title="Username" style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:8px;background-color:#FFF8CC" {{{autocomplete}}}="username" placeholder="Username" type=text maxlength=64 name=username required />
                                     </td>
                                 </tr>
                                 <tr>
                                     <td>
-                                        <input id=password title="Password" style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:8px;background-color:#FFF8CC" {{{autocomplete}}}="current-password" placeholder="Password" type=password maxlength=256 name=password onchange=validateLogin(2) onkeyup=validateLogin(2,event) />
+                                        <input id=password title="Password" style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:8px;background-color:#FFF8CC" {{{autocomplete}}}="current-password" placeholder="Password" type=password maxlength=256 name=password required />
                                     </td>
                                 </tr>
                                 <tr>
@@ -84,7 +84,7 @@
                                 </tr>
                                 <tr>
                                     <td>
-                                        <input id=loginButton style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:6px" onclick="submitButtonClicked('loginpanelform')" type=button value="Log In" disabled="disabled" />
+                                        <input id=loginButton style="box-sizing:border-box;width:280px;border:0;border-radius:4px;padding:6px" onclick="submitButtonClicked('loginpanelform')" type=button value="Log In" />
                                     </td>
                                 </tr>
                                 <tr id="topLanguageSelectRow" style="display:none"><td id="topLanguageSelect"></td></tr>
@@ -529,7 +529,6 @@
                 if (authStrategies.indexOf('saml') >= 0) { QV('auth-saml', true); }
             }
 
-            validateLogin();
             validateCreate();
             if (loginMode.length != 0) { go(parseInt(loginMode)); } else { go(1); }
             QV('newAccountDiv', (newAccount === '1') || (newAccount === 'true')); // If new accounts are not allowed, don't display the new account link.
@@ -772,19 +771,6 @@
             if (!formSubmitted) { formSubmitted = true; document.getElementById(v).submit(); }
         }
 
-        function validateLogin(box, e) {
-            setTimeout(function(){
-                var ok = ((Q('username').value.length > 0) && (Q('username').value.indexOf(' ') == -1) && (Q('password').value.length > 0));
-                QE('loginButton', ok);
-                setDialogMode(0);
-                if ((e != null) && (e.keyCode == 13)) {
-                    if ((box == 1) && (Q('username').value != '')) { Q('password').focus(); }
-                    else if ((box == 2) && (Q('password').value != '')) { Q('loginButton').click(); }
-                }
-                if (e != null) { haltEvent(e); }
-            }, 100);
-        }
-
         function validateCreate(box, e) {
             setDialogMode(0);
             var userok = false;