4 files changed, 150 insertions, 0 deletions
diff --git a/application/views/helpers/Column.php b/application/views/helpers/Column.php
new file mode 100644
index 0000000..b343de4
--- /dev/null
+++ b/application/views/helpers/Column.php
@@ -0,0 +1,51 @@
+<?php
+/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+use Icinga\Module\Eventdb\Event;
+
+class Zend_View_Helper_Column extends Zend_View_Helper_Abstract
+{
+    public function column($column, Event $event, $classes = array())
+    {
+        switch ($column) {
+            case 'host_name':
+                $default = 'host_url';
+                break;
+            case 'message':
+                $default = 'message';
+                break;
+            default:
+                $default = null;
+                break;
+        }
+
+        if ($column === 'ack') {
+            $html = $event->$column ? $this->view->icon('ok', $this->view->translate('Acknowledged')) : '-';
+        } else {
+            $renderer = $this->view->columnConfig->get($column, 'renderer', $default);
+
+            switch ($renderer) {
+                case 'host_url':
+                    $html = $this->view->qlink($event->$column, 'eventdb/event/host',
+                        array('host' => $event->$column));
+                    break;
+                case 'service_url':
+                    $html = $this->view->qlink($event->$column, 'eventdb/event/service',
+                        array('service' => $event->$column, 'host' => $event->host_name));
+                    break;
+                case 'url':
+                    $html = $this->view->qlink($event->$column, $event->$column);
+                    break;
+                case 'message':
+                    $html = $this->view->eventMessage($event->$column);
+                    break;
+                default:
+                    $html = $this->view->escape($event->$column);
+                    break;
+            }
+        }
+
+        return '<td class="' . 'event-' . $this->view->escape($column) . ' '
+            . implode(' ', $classes) . '" data-base-target="_next">'  . $html . '</td>';
+    }
+}
diff --git a/application/views/helpers/ColumnHeader.php b/application/views/helpers/ColumnHeader.php
new file mode 100644
index 0000000..3c7f7cd
--- /dev/null
+++ b/application/views/helpers/ColumnHeader.php
@@ -0,0 +1,17 @@
+<?php
+/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+class Zend_View_Helper_ColumnHeader extends Zend_View_Helper_Abstract
+{
+    public function columnHeader($columnHeader, $classes = array(), $plain = false)
+    {
+        $header = $this->view->columnConfig->get($columnHeader, 'label', ucwords(str_replace('_', ' ', $columnHeader)));
+        if ($plain) {
+            return $header;
+        }
+        $htm = '<th classes="' . implode(' ', $classes) . '">';
+        $htm .= $this->view->escape($header);
+        $htm .= '</th>';
+        return $htm;
+    }
+}
diff --git a/application/views/helpers/Event.php b/application/views/helpers/Event.php
new file mode 100644
index 0000000..f61a793
--- /dev/null
+++ b/application/views/helpers/Event.php
@@ -0,0 +1,12 @@
+<?php
+/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+use Icinga\Module\Eventdb\Event;
+
+class Zend_View_Helper_Event extends Zend_View_Helper_Abstract
+{
+    public function event($data)
+    {
+        return Event::fromData($data);
+    }
+}
diff --git a/application/views/helpers/EventMessage.php b/application/views/helpers/EventMessage.php
new file mode 100644
index 0000000..de52518
--- /dev/null
+++ b/application/views/helpers/EventMessage.php
@@ -0,0 +1,70 @@
+<?php
+/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
+
+use Icinga\Application\Config;
+
+class Zend_View_Helper_EventMessage extends Zend_View_Helper_Abstract
+{
+    /**
+     * The RegExp for locating URLs.
+     *
+     * Modifications:
+     *  - Don't allow ; in
+     *
+     * @source https://mathiasbynens.be/demo/url-regex
+     */
+    const URL_REGEX = '@(https?)://(-\.)?([^\s/?\.#-]+\.?)+(/[^\s;]*)?@i';
+
+    /**
+     * Purifier instance
+     *
+     * @var HTMLPurifier
+     */
+    protected static $purifier;
+
+    public function eventMessage($message)
+    {
+        $htm = $this->getPurifier()->purify($message);
+
+        // search for URLs and make them a link
+        $htm = preg_replace_callback(
+            static::URL_REGEX,
+            function ($match) {
+                return sprintf(
+                    '<a href="%s" target="_blank">%s</a>',
+                    htmlspecialchars($match[0]),
+                    htmlspecialchars($match[0])
+                );
+            },
+            $htm
+        );
+
+        return $htm;
+    }
+
+    /**
+     * Get the purifier instance
+     *
+     * @return  HTMLPurifier
+     */
+    protected function getPurifier()
+    {
+        if (self::$purifier === null) {
+            require_once 'HTMLPurifier/Bootstrap.php';
+            require_once 'HTMLPurifier.php';
+            require_once 'HTMLPurifier.autoload.php';
+
+            $config = HTMLPurifier_Config::createDefault();
+            $config->set('Core.EscapeNonASCIICharacters', true);
+            $config->set('HTML.Allowed', Config::module('eventdb')->get(
+                'frontend',
+                'allowed_html',
+                'p,br,b,a[href|target],i,table,tr,td[colspan],div,*[class]'
+            ));
+            $config->set('Attr.AllowedFrameTargets', array('_blank'));
+            $config->set('Cache.DefinitionImpl', null);
+            self::$purifier = new HTMLPurifier($config);
+        }
+        return self::$purifier;
+    }
+}