Implement AJAX user changes

administrator/components/com_users/config.xml

@@ -140,7 +140,12 @@
 			step="1"
 			default="1">
 			</field>
-
+	</fieldset>
+
+	<fieldset
+		name="password"
+		label="COM_USERS_CONFIG_PASSWORD_OPTIONS" >
+
 		<field
 			name="minimum_length"
 			type="integer"
@@ -185,7 +190,77 @@
 			default="0">
 			</field>
 	</fieldset>
+
+	<fieldset
+		name="username"
+		label="COM_USERS_CONFIG_USERNAME_OPTIONS" >
+
+		<field
+			name="minimum_length_username"
+			type="integer"
+			label="COM_USERS_CONFIG_FIELD_USERNAME_MINNUMCHARS_LABEL"
+			description="COM_USERS_CONFIG_FIELD_USERNAME_MINNUMCHARS_DESC"
+			first="0"
+			last="99"
+			step="1">
+			</field>
+
+		<field
+			name="maximum_length_username"
+			type="integer"
+			label="COM_USERS_CONFIG_FIELD_USERNAME_MAXNUMCHARS_LABEL"
+			description="COM_USERS_CONFIG_FIELD_USERNAME_MAXNUMCHARS_DESC"
+			first="0"
+			last="99"
+			step="1">
+			</field>
 
+		<field 
+			name="allowed_chars_username_preset" 
+			type="list"
+			label="COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_LABEL"
+			description="COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_DESC"
+			filter="integer"
+			defaut="0"
+			>
+			<option value="0">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_DISABLECHECK
+			</option>
+			<option value="1">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_ALLOWED
+			</option>
+			<option value="2">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_FORBIDDEN
+			</option>
+			<option value="3">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_REGEXP
+			</option>
+			<option value="4">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_ALPHANUMERIC
+			</option>
+			<option value="5">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_LATIN
+			</option>
+			<option value="6">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_UNICODE_HIGHLY_RESTRICTIVE
+			</option>
+			<option value="7">
+				COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_EMAIL
+			</option>
+		</field>
+
+		<field 
+			name="custom_chars_username" 
+			type="textarea"
+			label="COM_USERS_CONFIG_FIELD_USERNAME_CHARSET_LABEL"
+			description="COM_USERS_CONFIG_FIELD_USERNAME_CHARSET_DESC" 
+			rows="4" 
+			cols="50"
+			filter="string"
+			>
+			</field>
+	</fieldset>
+
 	<fieldset
 		name="user_notes_history"
 		label="COM_USERS_CONFIG_FIELD_NOTES_HISTORY" >
@@ -236,6 +311,25 @@
 
 	</fieldset>
 
+	<fieldset name="integration"
+		label="JGLOBAL_INTEGRATION_LABEL"
+		description="COM_USERS_CONFIG_INTEGRATION_SETTINGS_DESC"
+	>
+
+		<field
+			name="sef_advanced"
+			type="radio"
+			class="btn-group btn-group-yesno"
+			default="0"
+			label="JGLOBAL_SEF_ADVANCED_LABEL"
+			description="JGLOBAL_SEF_ADVANCED_DESC"
+			filter="integer">
+			<option value="1">JYES</option>
+			<option value="0">JNO</option>
+		</field>
+
+	</fieldset>
+
 	<fieldset
 		name="permissions"
 		label="JCONFIG_PERMISSIONS_LABEL"

administrator/language/en-GB/en-GB.com_users.ini

@@ -34,6 +34,8 @@ COM_USERS_CONFIG_FIELD_CAPTCHA_DESC="Select the captcha plugin that will be used
 COM_USERS_CONFIG_FIELD_CAPTCHA_LABEL="Captcha"
 COM_USERS_CONFIG_FIELD_CHANGEUSERNAME_DESC="Allow users to change their Login name when editing their profile."
 COM_USERS_CONFIG_FIELD_CHANGEUSERNAME_LABEL="Change Login Name"
+COM_USERS_CONFIG_FIELD_EMAIL_REGEX_LABEL="Forbidden domains"
+COM_USERS_CONFIG_FIELD_EMAIL_REGEX_DESC="Expression for forbidden email adress endings. Example: Forbid all email addresses from example.com. Input:<br /> example.com<br />For many entries add a new line after every entry. <br />Input: <br />example.com<br />example2.com"
 COM_USERS_CONFIG_FIELD_FRONTEND_LANG_DESC="If 'Frontend User Parameters' is set to 'Show', users will be able to select their Frontend language preference when registering."
 COM_USERS_CONFIG_FIELD_FRONTEND_LANG_LABEL="Frontend Language"
 COM_USERS_CONFIG_FIELD_FRONTEND_RESET_COUNT_DESC="The maximum number of password resets allowed within the time period. Zero indicates no limit."
@@ -67,10 +69,28 @@ COM_USERS_CONFIG_FIELD_USERACTIVATION_DESC="If set to None the user will be regi
 COM_USERS_CONFIG_FIELD_USERACTIVATION_LABEL="New User Account Activation"
 COM_USERS_CONFIG_FIELD_USERACTIVATION_OPTION_ADMINACTIVATION="Administrator"
 COM_USERS_CONFIG_FIELD_USERACTIVATION_OPTION_SELFACTIVATION="Self"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_LABEL="Characters preset"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_DESC="Specify from the select list if you want disable this check or allow/forbid CUSTOM characters filling the CUSTOM text box. You can also select some of the specified character presettings: alphanumeric, latin, email,..."
+COM_USERS_CONFIG_FIELD_USERNAME_MINNUMCHARS_LABEL="MINimum number of characters"
+COM_USERS_CONFIG_FIELD_USERNAME_MINNUMCHARS_DESC="MINimum number of characters required for username field. Zero indicates no limit."
+COM_USERS_CONFIG_FIELD_USERNAME_MAXNUMCHARS_LABEL="MAXimum number of characters"
+COM_USERS_CONFIG_FIELD_USERNAME_MAXNUMCHARS_DESC="MAXimum number of characters required for username field. Zero indicates no limit."
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSET_LABEL="CUSTOM character set"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSET_DESC="CUSTOM character set ALLOWED/FORBIDDEN/REGEXP for username field. Select the appropriate behaviour in previous select list. If other than 'CUSTOM' is selected, this text box is not operational. Example allow/forbid: write 'abc' (without quotations) to allow/forbid these characters. For 'CUSTOM REGEXP' case, write a pattern to use inside a preg_match_all() function and all that match will be forbidden. Example regExp for 'latin only': '/[^\\\\\\\\p{Common}\\\\\\\\p{Latin}]/u' (without quotations)."
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_DISABLECHECK="DISABLE characters check"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_ALLOWED="CUSTOM is characters allowed"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_FORBIDDEN="CUSTOM is characters forbidden"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_CUSTOM_REGEXP="CUSTOM is a regular expression"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_ALPHANUMERIC="Alphanumeric Only"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_LATIN="Latin Only"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_EMAIL="Email valid address"
+COM_USERS_CONFIG_FIELD_USERNAME_CHARSPRESET_OPTION_UNICODE_HIGHLY_RESTRICTIVE="Unicode Security: Highly Restrictive level"
 COM_USERS_CONFIG_IMPORT_FAILED="An error was encountered while importing the configuration: %s."
 COM_USERS_CONFIG_PASSWORD_OPTIONS="Password Options"
 COM_USERS_CONFIG_SAVE_FAILED="An error was encountered while saving the configuration: %s."
+COM_USERS_CONFIG_PASSWORD_OPTIONS="Password options"
 COM_USERS_CONFIG_USER_OPTIONS="User Options"
+COM_USERS_CONFIG_USERNAME_OPTIONS="Username options"
 COM_USERS_CONFIGURATION="Users: Options"
 COM_USERS_COUNT_ENABLED_USERS="Enabled users"
 COM_USERS_COUNT_DISABLED_USERS="Disabled users"

components/com_users/controllers/registration.json.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * @package     Joomla.Site
+ * @subpackage  com_users
+ *
+ * @copyright   Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+require_once JPATH_COMPONENT . '/controller.php';
+
+/**
+ * Profile controller class for Users.
+ *
+ * @since  1.6
+ */
+class UsersControllerRegistration extends UsersController
+{
+    /**
+     *
+     * Method to validate a username.
+     * @return  void
+     * @since 3.7
+     *
+     */
+
+    public function validate()
+    {
+        //read username from ajax
+        $username = $this->input->get('username', '', 'username');
+        $email = $this->input->get('email', '', 'email');
+
+        //check
+        if(!empty($username))
+        {
+            $fieldname = 'username';
+            $field = $username;
+        }
+        else if(!empty($email))
+        {
+            $fieldname = 'email';
+            $field = $email;
+        }
+
+        if(isset($fieldname) && isset($field))
+        {
+            $db = JFactory::getDbo();
+
+            $valid = $db->setQuery(
+                $db->getQuery(true)
+                    ->select($fieldname)
+                    ->from('#__users')
+                    ->where($fieldname . ' = ' . $db->quote($field))
+            )->loadResult();
+
+            //return jsonarray with results
+            $msg = null;
+            if(!is_null($valid))
+            {
+                if($fieldname == 'username')
+                {
+                    $msg = JText::_('COM_USERS_REGISTER_USERNAME_MESSAGE');
+                }else if($fieldname == 'email')
+                {
+                    $msg = JText::_('COM_USERS_PROFILE_EMAIL1_MESSAGE');
+                }
+            }
+            echo new JResponseJson($valid, $msg, is_null($valid));
+        }
+
+
+    }
+}

components/com_users/controllers/registration.php

@@ -202,4 +202,6 @@ public function register()
 
 		return true;
 	}
+
+
 }

components/com_users/views/registration/view.html.php

@@ -8,7 +8,6 @@
  */
 
 defined('_JEXEC') or die;
-
 /**
  * Registration view class for Users.
  *
@@ -109,7 +108,7 @@ protected function prepareDocument()
 		}
 
 		$this->document->setTitle($title);
-
+        //this->document
 		if ($this->params->get('menu-meta_description'))
 		{
 			$this->document->setDescription($this->params->get('menu-meta_description'));

libraries/cms/html/behavior.php

@@ -183,6 +183,8 @@ public static function formvalidator()
 
 		// Add validate.js language strings
 		JText::script('JLIB_FORM_FIELD_INVALID');
+        JText::script('COM_USERS_PROFILE_EMAIL2_MESSAGE');
+        JText::script('COM_USERS_FIELD_RESET_PASSWORD1_MESSAGE');
 
 		JHtml::_('script', 'system/punycode.js', false, true);
 		JHtml::_('script', 'system/validate.js', false, true);

libraries/joomla/form/rule/email.php

@@ -92,6 +92,24 @@ public function test(SimpleXMLElement $element, $value, $group = null, Registry
 			}
 		}
 
+		//Check if the email is blacklisted by the user
+        $params = JComponentHelper::getParams('com_users');
+        $emailPreset = $params->get('custom_chars_email');
+        $presets = preg_split ('/\r\n|\n|\r/', $emailPreset);
+
+        //check all entries
+        foreach ($presets as $regex)
+        {
+            if($regex != '' && $regex != '*') { //skip new lines
+                $regex = '/(.*)@' . $regex . '/';
+                preg_match($regex, $value, $output);
+
+                if ($output) {
+                    return false;
+                }
+            }
+        }
+
 		// Check if we should test for uniqueness. This only can be used if multiple is not true
 		$unique = ((string) $element['unique'] == 'true' || (string) $element['unique'] == 'unique');