Add kiosk mode, public board access with read-only and auto-refresh

controllers/base.php

@@ -45,6 +45,7 @@ abstract class Base
         $public = array(
             'user' => array('login', 'check'),
             'task' => array('add'),
+            'board' => array('readonly'),
         );
 
         if (isset($public[$controller])) {

controllers/board.php

@@ -4,7 +4,29 @@ namespace Controller;
 
 class Board extends Base
 {
-    // Display current board
+    // Display the public version of a board
+    // Access checked by a simple token, no user login, read only, auto-refresh
+    public function readonly()
+    {
+        $token = $this->request->getStringParam('token');
+        $project = $this->project->getByToken($token);
+
+        // Token verification
+        if (! $project) {
+            $this->response->text('Not Authorized', 401);
+        }
+
+        // Display the board with a specific layout
+        $this->response->html($this->template->layout('board_public', array(
+            'project' => $project,
+            'columns' => $this->board->get($project['id']),
+            'title' => $project['name'],
+            'no_layout' => true,
+            'auto_refresh' => true,
+        )));
+    }
+
+    // Display the default user project or the first project
     public function index()
     {
         $projects = $this->project->getListByStatus(\Model\Project::ACTIVE);
@@ -30,7 +52,7 @@ class Board extends Base
         )));
     }
 
-    // Show a board
+    // Show a board for a given project
     public function show()
     {
         $projects = $this->project->getListByStatus(\Model\Project::ACTIVE);
@@ -175,7 +197,7 @@ class Board extends Base
         $this->response->redirect('?controller=board&action=edit&project_id='.$column['project_id']);
     }
 
-    // Save the board (Ajax request made by drag and drop)
+    // Save the board (Ajax request made by the drag and drop)
     public function save()
     {
         $this->response->json(array(

index.php

@@ -4,5 +4,10 @@ require __DIR__.'/check_setup.php';
 require __DIR__.'/controllers/base.php';
 require __DIR__.'/lib/router.php';
 
+if (file_exists('config.php')) require 'config.php';
+
+// Auto-refresh frequency in seconds for the public board view
+defined('AUTO_REFRESH_DURATION') or define('AUTO_REFRESH_DURATION', 60);
+
 $router = new Router;
 $router->execute();

locales/fr_FR/translations.php

@@ -179,4 +179,5 @@ return array(
     'Completed tasks for "%s"' => 'Tâches terminées pour "%s"',
     '%d closed tasks' => '%d tâches terminées',
     'no task for this project' => 'aucune tâche pour ce projet',
+    'Public link' => 'Accès public',
 );

locales/pl_PL/translations.php

@@ -181,5 +181,7 @@ return array(
     'List of projects' => '',
     'Completed tasks for "%s"' => '',
     '%d closed tasks' => '',
-    'no task for this project' => '',*/
+    'no task for this project' => '',
+    'Public link' => '',
+    */
 );

models/base.php

@@ -17,7 +17,7 @@ require __DIR__.'/schema.php';
 abstract class Base
 {
     const APP_VERSION = 'master';
-    const DB_VERSION  = 2;
+    const DB_VERSION  = 3;
     const DB_FILENAME = 'data/db.sqlite';
 
     private static $dbInstance = null;
@@ -46,4 +46,17 @@ abstract class Base
             die('Unable to migrate database schema!');
         }
     }
+
+    // Generate a random token from /dev/urandom or with uniqid()
+    public static function generateToken()
+    {
+        if (ini_get('open_basedir') === '') {
+            $token = file_get_contents('/dev/urandom', false, null, 0, 30);
+        }
+        else {
+            $token = uniqid(mt_rand(), true);
+        }
+
+        return hash('crc32b', $token);
+    }
 }

models/config.php

@@ -66,16 +66,6 @@ class Config extends Base
         );
     }
 
-    public static function generateToken()
-    {
-        if (ini_get('open_basedir') === '') {
-            return substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
-        }
-        else {
-            return substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
-        }
-    }
-
     public function optimizeDatabase()
     {
         $this->db->getconnection()->exec("VACUUM");

models/project.php

@@ -16,6 +16,11 @@ class Project extends Base
         return $this->db->table(self::TABLE)->eq('id', $project_id)->findOne();
     }
 
+    public function getByToken($token)
+    {
+        return $this->db->table(self::TABLE)->eq('token', $token)->findOne();
+    }
+
     public function getFirst()
     {
         return $this->db->table(self::TABLE)->findOne();
@@ -92,12 +97,12 @@ class Project extends Base
     {
         $this->db->startTransaction();
 
+        $values['token'] = self::generateToken();
         $this->db->table(self::TABLE)->save($values);
 
         $project_id = $this->db->getConnection()->getLastId();
 
         $boardModel = new \Model\Board;
-
         $boardModel->create($project_id, array(
             t('Backlog'),
             t('Ready'),

models/schema.php

@@ -2,11 +2,27 @@
 
 namespace Schema;
 
+function version_3($pdo)
+{
+    $pdo->exec('ALTER TABLE projects ADD column token TEXT');
+
+    // For each existing project, assign a different token
+    $rq = $pdo->prepare("SELECT id FROM projects WHERE token IS NULL");
+    $rq->execute();
+    $results = $rq->fetchAll(\PDO::FETCH_ASSOC);
+
+    if ($results !== false) {
+
+        foreach ($results as &$result) {
+            $rq = $pdo->prepare('UPDATE projects SET token=? WHERE id=?');
+            $rq->execute(array(\Model\Base::generateToken(), $result['id']));
+        }
+    }
+}
+
 function version_2($pdo)
 {
     $pdo->exec('ALTER TABLE tasks ADD column date_completed INTEGER');
-
-    // For all existing completed tasks, set the date of creation as a date of completion
     $pdo->exec('UPDATE tasks SET date_completed=date_creation WHERE is_active=0');
 }
 
@@ -74,6 +90,6 @@ function version_1($pdo)
     $pdo->exec("
         INSERT INTO config
         (language, webhooks_token)
-        VALUES ('en_US', '".\Model\Config::generateToken()."')
+        VALUES ('en_US', '".\Model\Base::generateToken()."')
     ");
 }

templates/board_public.php

@@ -0,0 +1,41 @@
+<section id="main">
+
+    <table id="board">
+        <tr>
+            <?php $column_with = round(100 / count($columns), 2); ?>
+            <?php foreach ($columns as $column): ?>
+            <th width="<?= $column_with ?>%">
+                <?= Helper\escape($column['title']) ?>
+            </th>
+            <?php endforeach ?>
+        </tr>
+        <tr>
+            <?php foreach ($columns as $column): ?>
+            <td class="column">
+                <?php foreach ($column['tasks'] as $task): ?>
+                <div class="draggable-item">
+                    <div class="task task-<?= $task['color_id'] ?>">
+
+                        #<?= $task['id'] ?> -
+
+                        <span class="task-user">
+                        <?php if (! empty($task['owner_id'])): ?>
+                            <?= t('Assigned to %s', $task['username']) ?>
+                        <?php else: ?>
+                            <span class="task-nobody"><?= t('No body assigned') ?></span>
+                        <?php endif ?>
+                        </span>
+
+                        <div class="task-title">
+                            <?= Helper\escape($task['title']) ?>
+                        </div>
+
+                    </div>
+                </div>
+                <?php endforeach ?>
+            </td>
+            <?php endforeach ?>
+        </tr>
+    </table>
+
+</section>

templates/layout.php

@@ -10,6 +10,9 @@
         <link rel="apple-touch-icon" sizes="114x114" href="assets/img/touch-icon-iphone-retina.png">
         <link rel="apple-touch-icon" sizes="144x144" href="assets/img/touch-icon-ipad-retina.png">
         <title><?= isset($title) ? Helper\escape($title) : 'Kanboard' ?></title>
+        <?php if (isset($auto_refresh)): ?>
+            <meta http-equiv="refresh" content="<?= AUTO_REFRESH_DURATION ?>" >
+        <?php endif ?>
     </head>
     <body>
     <?php if (isset($no_layout)): ?>

templates/project_index.php

@@ -75,6 +75,9 @@
                         <li>
                             <a href="?controller=project&amp;action=confirm&amp;project_id=<?= $project['id'] ?>"><?= t('Remove') ?></a>
                         </li>
+                        <li>
+                            <a href="?controller=board&amp;action=readonly&amp;token=<?= $project['token'] ?>" target="_blank"><?= t('Public link') ?></a>
+                        </li>
                     </ul>
                 </td>
                 <?php endif ?>