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msd2/tracking/piwik/plugins/Installation/Installation.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Installation;
+
+use Piwik\API\Request;
+use Piwik\Common;
+use Piwik\Config;
+use Piwik\FrontController;
+use Piwik\Piwik;
+use Piwik\Plugins\Installation\Exception\DatabaseConnectionFailedException;
+use Piwik\SettingsPiwik;
+use Piwik\View as PiwikView;
+
+/**
+ *
+ */
+class Installation extends \Piwik\Plugin
+{
+    protected $installationControllerName = '\\Piwik\\Plugins\\Installation\\Controller';
+
+    /**
+     * @see Piwik\Plugin::registerEvents
+     */
+    public function registerEvents()
+    {
+        $hooks = array(
+            'Config.NoConfigurationFile'      => 'dispatch',
+            'Config.badConfigurationFile'     => 'dispatch',
+            'Db.cannotConnectToDb'            => 'displayDbConnectionMessage',
+            'Request.dispatch'                => 'dispatchIfNotInstalledYet',
+            'AssetManager.getStylesheetFiles' => 'getStylesheetFiles',
+        );
+        return $hooks;
+    }
+
+    public function displayDbConnectionMessage($exception = null)
+    {
+        Common::sendResponseCode(500);
+
+        $errorMessage = $exception->getMessage();
+
+        if (Request::isApiRequest(null)) {
+            $ex = new DatabaseConnectionFailedException($errorMessage);
+            throw $ex;
+        }
+
+        $view = new PiwikView("@Installation/cannotConnectToDb");
+        $view->exceptionMessage = $errorMessage;
+
+        $ex = new DatabaseConnectionFailedException($view->render());
+        $ex->setIsHtmlMessage();
+
+        throw $ex;
+    }
+
+    public function dispatchIfNotInstalledYet(&$module, &$action, &$parameters)
+    {
+        $general = Config::getInstance()->General;
+
+        if (!SettingsPiwik::isPiwikInstalled() && !$general['enable_installer']) {
+            throw new \Exception('Matomo is not set up yet');
+        }
+
+        if (empty($general['installation_in_progress'])) {
+            return;
+        }
+
+        if ($module == 'Installation') {
+            return;
+        }
+
+        $module = 'Installation';
+
+        if (!$this->isAllowedAction($action)) {
+            $action = 'welcome';
+        }
+
+        $parameters = array();
+    }
+
+    public function setControllerToLoad($newControllerName)
+    {
+        $this->installationControllerName = $newControllerName;
+    }
+
+    protected function getInstallationController()
+    {
+        return new $this->installationControllerName();
+    }
+
+    /**
+     * @param \Exception|null $exception
+     */
+    public function dispatch($exception = null)
+    {
+        if ($exception) {
+            $message = $exception->getMessage();
+        } else {
+            $message = '';
+        }
+
+        $action = Common::getRequestVar('action', 'welcome', 'string');
+
+        if ($this->isAllowedAction($action) && (!defined('PIWIK_ENABLE_DISPATCH') || PIWIK_ENABLE_DISPATCH)) {
+            echo FrontController::getInstance()->dispatch('Installation', $action, array($message));
+        } elseif (defined('PIWIK_ENABLE_DISPATCH') && !PIWIK_ENABLE_DISPATCH) {
+            if ($exception && $exception instanceof \Exception) {
+                throw $exception;
+            }
+            return;
+        } else {
+            Piwik::exitWithErrorMessage($this->getMessageToInviteUserToInstallPiwik($message));
+        }
+
+        exit;
+    }
+
+    /**
+     * Adds CSS files to list of CSS files for asset manager.
+     */
+    public function getStylesheetFiles(&$stylesheets)
+    {
+        $stylesheets[] = "plugins/Installation/stylesheets/systemCheckPage.less";
+    }
+
+    private function isAllowedAction($action)
+    {
+        $controller = $this->getInstallationController();
+        $isActionWhiteListed = in_array($action, array('saveLanguage', 'getInstallationCss', 'getInstallationJs', 'reuseTables'));
+
+        return in_array($action, array_keys($controller->getInstallationSteps()))
+                || $isActionWhiteListed;
+    }
+
+    /**
+     * @param $message
+     * @return string
+     */
+    private function getMessageToInviteUserToInstallPiwik($message)
+    {
+        $messageWhenPiwikSeemsNotInstalled =
+            $message .
+            "\n<br/>" .
+            Piwik::translate('Installation_NoConfigFileFound') .
+            "<br/><b>» " .
+            Piwik::translate('Installation_YouMayInstallPiwikNow', array("<a href='index.php'>", "</a></b>")) .
+            "<br/><small>" .
+            Piwik::translate('Installation_IfPiwikInstalledBeforeTablesCanBeKept') .
+            "</small>";
+        return $messageWhenPiwikSeemsNotInstalled;
+    }
+}