Show Icinga Web 2's version in the frontend

refs #9247
Icinga · Jun 2, 2015 · 887bd0b · 887bd0b
1 parent 441fc33
commit 887bd0b
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diff --git a/application/controllers/AboutController.php b/application/controllers/AboutController.php
@@ -0,0 +1,91 @@
+<?php
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+# namespace Icinga\Application\Controllers;
+
+use Icinga\Web\Controller\ActionController;
+use Icinga\Application\Icinga;
+use Icinga\Exception\IcingaException;
+
+class AboutController extends ActionController
+{
+    public function indexAction()
+    {
+        $this->view->appVersion = null;
+        $this->view->gitCommitID = null;
+        $this->view->gitCommitDate = null;
+
+        if (false !== ($appVersion = @file(
+            Icinga::app()->getApplicationDir() . DIRECTORY_SEPARATOR . 'VERSION',
+            FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES
+        ))) {
+            foreach ($appVersion as $av) {
+                $matches = array();
+                if (false === ($res = preg_match(
+                    '/(?<!.)\s*(.+?)\s*:\s*(.+?)\s*(?!.)/ms', $av, $matches
+                ))) {
+                    throw new IcingaException('Failed at preg_match()');
+                }
+                if ($res === 0) {
+                    continue;
+                }
+
+                switch ($matches[1]) {
+                    case 'GitCommitID':
+                        if ($this->view->gitCommitID !== null) {
+                            break;
+                        }
+
+                        $matches2 = array();
+                        if (false === ($res = preg_match(
+                            '/(?<!.)(.+?)(?:\s*\(\s*(.+?)\s*\))?(?!.)/ms',
+                            $matches[2],
+                            $matches2
+                        ))) {
+                            throw new IcingaException('Failed at preg_match()');
+                        }
+                        if ($res === 0) {
+                            break;
+                        }
+
+                        $this->view->gitCommitID = $matches2[1];
+                        if (! isset($matches2[2])) {
+                            break;
+                        }
+
+                        foreach (preg_split(
+                            '/\s*,\s*/', $matches2[2], -1, PREG_SPLIT_NO_EMPTY
+                        ) as $refName) {
+                            $matches3 = array();
+                            if (false === ($res = preg_match(
+                                '/(?<!.)tag\s*:\s*v(.+?)(?!.)/ms',
+                                $refName,
+                                $matches3
+                            ))) {
+                                throw new IcingaException('Failed at preg_match()');
+                            }
+                            if ($res === 1) {
+                                $this->view->appVersion = $matches3[1];
+                                break;
+                            }
+                        }
+                        break;
+                    case 'GitCommitDate':
+                        if ($this->view->gitCommitDate !== null) {
+                            break;
+                        }
+
+                        $matches2 = array();
+                        if (false === ($res = preg_match(
+                            '/(?<!.)(\S+)/ms', $matches[2], $matches2
+                        ))) {
+                            throw new IcingaException('Failed at preg_match()');
+                        }
+                        if ($res === 1) {
+                            $this->view->gitCommitDate = $matches2[1];
+                        }
+                }
+            }
+        }
+    }
+}
diff --git a/application/views/scripts/about/index.phtml b/application/views/scripts/about/index.phtml
@@ -0,0 +1,20 @@
+<div class="content">
+    <h1>Icinga Web 2</h1>
+    <?php
+    $versionInfo = array();
+    foreach (array(
+        array($this->translate('Version: %s'),          $appVersion),
+        array($this->translate('Git commit ID: %s'),    $gitCommitID),
+        array($this->translate('Git commit date: %s'),  $gitCommitDate)
+    ) as $version) {
+        list($label, $value) = $version;
+        if ($value !== null) {
+            $versionInfo[] = sprintf($label, htmlspecialchars($value));
+        }
+    }
+    ?>
+    <p><?= 0 === count($versionInfo)
+        ? $this->translate('unknown version')
+        : nl2br(implode("\n", $versionInfo), false)
+    ?></p>
+</div>