Bug #381, implement site readonly mode, PHP + JS + CSS

IET-OU · Mar 1, 2019 · a3f7cdc · a3f7cdc
1 parent eda381b
commit a3f7cdc
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Showing 6 changed files with 62 additions and 1 deletion.
diff --git a/Gruntfile.js b/Gruntfile.js
@@ -13,6 +13,7 @@ module.exports = function (grunt) {
 		},
 		jshint: {
 			options: {
+				esversion: 6, // Use 'const' etc.!
 				bitwise: true,
 				curly: true,
 				eqeqeq: true,

diff --git a/_design/styles_1_1.css b/_design/styles_1_1.css
@@ -2505,5 +2505,19 @@ form.gsc-search-box input {
     padding: 0; margin: 0;
 }
 
+/* Site readonly.
+*/
+body.readonly a.disabled,
+body.readonly input[ disabled ],
+#login-form [ type = submit ][ disabled ] {
+  cursor: not-allowed;
+  /* pointer-events: none; */
+}
+
+a.disabled:focus,
+a.disabled:hover {
+  opacity: .6;
+  transition: all 5s;
+}
 
 /* End. */

diff --git a/_scripts/custom.js b/_scripts/custom.js
@@ -51,4 +51,18 @@ window.jQuery(function ($) {
     function rot13(s) {
       return s.replace(/[a-zA-Z]/g, function(c){ return String.fromCharCode((c<="Z"?90:122) >= (c=c.charCodeAt(0)+13) ? c : c-26); });
     }
+
+    /* Site readonly.
+    */
+    const $READONLY = $('body.readonly');
+
+    $READONLY.find('#login-form, #register_form').find(':input').attr({ disabled: 'disabled', title: 'Readonly mode' });
+
+    $READONLY.find('a[ href *= auth ]').on('click', (ev) => {
+      ev.preventDefault();
+      console.warn('Readonly: auth click');
+    })
+    .addClass('disabled').attr({ title: 'Readonly mode' });
+
+    console.warn($READONLY.length ? 'Site readonly.' : 'Site read-write.');
 });
diff --git a/system/application/config/cloudengine.dist.php b/system/application/config/cloudengine.dist.php
@@ -6,6 +6,10 @@
 |--------------------------------------------------------------------------
 */
 
+// Site readonly and/ or debug settings.
+$config['readonly'] = false;
+$config['debug'] = false;
+
 // Basic site info
 
 $config['site_name']        = 'Your Site';

diff --git a/system/application/controllers/auth.php b/system/application/controllers/auth.php
@@ -19,6 +19,16 @@ function Auth() {
         $this->load->library('form_validation');
 	}
 
+	/** Remap: Site readonly.
+	*/
+	public function _remap($method) {
+		if (config_item('readonly')) {
+			$this->_show_readonly_page();
+		} else {
+			$this->$method();
+		}
+	}
+
 	/**
 	 * User login form and processing for user login form
 	 *
@@ -423,4 +433,19 @@ function _fullname_check($str) {
 
         return $contains_space;
     }
+
+		/** Site readonly page.
+		*/
+		protected function _show_readonly_page() {
+			header('HTTP/1.1 503 Not Available');
+
+			$this->load->library('Layout');
+			$this->layout->setLayout('layout_offline');
+
+			$view_data = array(
+				'title' => t('Site is readonly'),
+				'message' => t("Site login and registration are disabled. <pre>\n\n\n503 Not Available </pre>"),
+			);
+			echo $this->layout->view('error/site_offline', $view_data, true);
+		}
 }
diff --git a/system/application/views/layout/header.php b/system/application/views/layout/header.php
@@ -10,7 +10,7 @@
 ?><!DOCTYPE html><html <?=$this->lang->lang_tag()?>><head>
 <?php $this->load->view('layout/_site-head.php'); ?>
 </head>
-<body id="<?= $navigation ?>">
+<body id="<?= $navigation ?>" class="<?php echo config_item('readonly') ? 'readonly' : ''; ?>">
 <?php $page = $_SERVER['REQUEST_URI']; ?>
 <div id="site-header">
 <?php $this->load->view('layout/_site-header'); ?>
@@ -20,6 +20,9 @@
     <div id="site-body">
         <div id="page">
         <div id="content">
+        <?php if (config_item('readonly')): ?>
+            <p class="warn readonly-message"> The web-site is currently in readonly mode. Login and registration are disabled. </p>
+        <?php endif; ?>
         <?php if (!config_item('x_live')): ?>
             <p class="test_install warn"> <?= $this->config->item('test_install_message') ?></p>
         <?php endif; ?>