Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1444 insertions, 0 deletions

diff --git a/library/Icinga/Application/Modules/Module.php b/library/Icinga/Application/Modules/Module.php
new file mode 100644
index 0000000..00a3383
--- /dev/null
+++ b/library/Icinga/Application/Modules/Module.php
@@ -0,0 +1,1444 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Application\Modules;
+
+use Exception;
+use Icinga\Application\ApplicationBootstrap;
+use Icinga\Application\Config;
+use Icinga\Application\Hook;
+use Icinga\Application\Icinga;
+use Icinga\Application\Logger;
+use Icinga\Exception\IcingaException;
+use Icinga\Exception\ProgrammingError;
+use Icinga\Module\Setup\SetupWizard;
+use Icinga\Util\File;
+use Icinga\Web\Navigation\Navigation;
+use Icinga\Web\Widget;
+use ipl\I18n\GettextTranslator;
+use ipl\I18n\StaticTranslator;
+use ipl\I18n\Translation;
+use Zend_Controller_Router_Route;
+use Zend_Controller_Router_Route_Abstract;
+use Zend_Controller_Router_Route_Regex;
+
+/**
+ * Module handling
+ *
+ * Register modules and initialize it
+ */
+class Module
+{
+    use Translation {
+        translate as protected;
+        translatePlural as protected;
+    }
+
+    /**
+     * Module name
+     *
+     * @var string
+     */
+    private $name;
+
+    /**
+     * Base directory of module
+     *
+     * @var string
+     */
+    private $basedir;
+
+    /**
+     * Directory for styles
+     *
+     * @var string
+     */
+    private $cssdir;
+
+    /**
+     * Directory for Javascript
+     *
+     * @var string
+     */
+    private $jsdir;
+
+    /**
+     * Base application directory
+     *
+     * @var string
+     */
+    private $appdir;
+
+    /**
+     * Library directory
+     *
+     * @var string
+     */
+    private $libdir;
+
+    /**
+     * Directory containing translations
+     *
+     * @var string
+     */
+    private $localedir;
+
+    /**
+     * Directory where controllers reside
+     *
+     * @var string
+     */
+    private $controllerdir;
+
+    /**
+     * Directory containing form implementations
+     *
+     * @var string
+     */
+    private $formdir;
+
+    /**
+     * Module bootstrapping script
+     *
+     * @var string
+     */
+    private $runScript;
+
+    /**
+     * Module configuration script
+     *
+     * @var string
+     */
+    private $configScript;
+
+    /**
+     * Module metadata filename
+     *
+     * @var string
+     */
+    private $metadataFile;
+
+    /**
+     * Module metadata (version...)
+     *
+     * @var object
+     */
+    private $metadata;
+
+    /**
+     * Whether we already tried to include the module configuration script
+     *
+     * @var bool
+     */
+    private $triedToLaunchConfigScript = false;
+
+    /**
+     * Whether the module's namespaces have been registered on our autoloader
+     *
+     * @var bool
+     */
+    protected $registeredAutoloader = false;
+
+    /**
+     * Whether this module has been registered
+     *
+     * @var bool
+     */
+    private $registered = false;
+
+    /**
+     * Provided permissions
+     *
+     * @var array
+     */
+    private $permissionList = array();
+
+    /**
+     * Provided restrictions
+     *
+     * @var array
+     */
+    private $restrictionList = array();
+
+    /**
+     * Provided config tabs
+     *
+     * @var array
+     */
+    private $configTabs = array();
+
+    /**
+     * Provided setup wizard
+     *
+     * @var string
+     */
+    private $setupWizard;
+
+    /**
+     * Icinga application
+     *
+     * @var \Icinga\Application\Web
+     */
+    private $app;
+
+    /**
+     * The CSS/LESS files this module provides
+     *
+     * @var array
+     */
+    protected $cssFiles = array();
+
+    /**
+     * The Javascript files this module provides
+     *
+     * @var array
+     */
+    protected $jsFiles = array();
+
+    /**
+     * Routes to add to the route chain
+     *
+     * @var array Array of name-route pairs
+     *
+     * @see addRoute()
+     */
+    protected $routes = array();
+
+    /**
+     * A set of menu elements
+     *
+     * @var MenuItemContainer[]
+     */
+    protected $menuItems = array();
+
+    /**
+     * A set of Pane elements
+     *
+     * @var array
+     */
+    protected $paneItems = array();
+
+    /**
+     * A set of objects representing a searchUrl configuration
+     *
+     * @var array
+     */
+    protected $searchUrls = array();
+
+    /**
+     * This module's user backends providing several authentication mechanisms
+     *
+     * @var array
+     */
+    protected $userBackends = array();
+
+    /**
+     * This module's user group backends
+     *
+     * @var array
+     */
+    protected $userGroupBackends = array();
+
+    /**
+     * This module's configurable navigation items
+     *
+     * @var array
+     */
+    protected $navigationItems = array();
+
+    /**
+     * Create a new module object
+     *
+     * @param ApplicationBootstrap  $app
+     * @param string                $name
+     * @param string                $basedir
+     */
+    public function __construct(ApplicationBootstrap $app, $name, $basedir)
+    {
+        $this->app            = $app;
+        $this->name           = $name;
+        $this->basedir        = $basedir;
+        $this->cssdir         = $basedir . '/public/css';
+        $this->jsdir          = $basedir . '/public/js';
+        $this->libdir         = $basedir . '/library';
+        $this->configdir      = $app->getConfigDir('modules/' . $name);
+        $this->appdir         = $basedir . '/application';
+        $this->localedir      = $basedir . '/application/locale';
+        $this->formdir        = $basedir . '/application/forms';
+        $this->controllerdir  = $basedir . '/application/controllers';
+        $this->runScript      = $basedir . '/run.php';
+        $this->configScript   = $basedir . '/configuration.php';
+        $this->metadataFile   = $basedir . '/module.info';
+
+        $this->translationDomain = $name;
+    }
+
+    /**
+     * Provide a search URL
+     *
+     * @param   string    $title
+     * @param   string    $url
+     * @param   int       $priority
+     *
+     * @return  $this
+     */
+    public function provideSearchUrl($title, $url, $priority = 0)
+    {
+        $this->searchUrls[] = (object) array(
+            'title'     => (string) $title,
+            'url'       => (string) $url,
+            'priority'  => (int) $priority
+        );
+
+        return $this;
+    }
+
+    /**
+     * Get this module's search urls
+     *
+     * @return array
+     */
+    public function getSearchUrls()
+    {
+        $this->launchConfigScript();
+        return $this->searchUrls;
+    }
+
+    /**
+     * Return this module's dashboard
+     *
+     * @return  Navigation
+     */
+    public function getDashboard()
+    {
+        $this->launchConfigScript();
+        return $this->createDashboard($this->paneItems);
+    }
+
+    /**
+     * Create and return a new navigation for the given dashboard panes
+     *
+     * @param   DashboardContainer[]    $panes
+     *
+     * @return  Navigation
+     */
+    public function createDashboard(array $panes)
+    {
+        $navigation = new Navigation();
+        foreach ($panes as $pane) {
+            /** @var DashboardContainer $pane */
+            $dashlets = [];
+            foreach ($pane->getDashlets() as $dashletName => $dashletConfig) {
+                $dashlets[$dashletName] = [
+                    'label'     => $this->translate($dashletName),
+                    'url'       => $dashletConfig['url'],
+                    'priority'  => $dashletConfig['priority']
+                ];
+            }
+
+            $navigation->addItem(
+                $pane->getName(),
+                array_merge(
+                    $pane->getProperties(),
+                    array(
+                        'label'     => $this->translate($pane->getName()),
+                        'type'      => 'dashboard-pane',
+                        'children'  => $dashlets
+                    )
+                )
+            );
+        }
+
+        return $navigation;
+    }
+
+    /**
+     * Add or get a dashboard pane
+     *
+     * @param   string  $name
+     * @param   array   $properties
+     *
+     * @return  DashboardContainer
+     */
+    protected function dashboard($name, array $properties = array())
+    {
+        if (array_key_exists($name, $this->paneItems)) {
+            $this->paneItems[$name]->setProperties($properties);
+        } else {
+            $this->paneItems[$name] = new DashboardContainer($name, $properties);
+        }
+
+        return $this->paneItems[$name];
+    }
+
+    /**
+     * Return this module's menu
+     *
+     * @return  Navigation
+     */
+    public function getMenu()
+    {
+        $this->launchConfigScript();
+        return Navigation::fromArray($this->createMenu($this->menuItems));
+    }
+
+    /**
+     * Create and return an array structure for the given menu items
+     *
+     * @param   MenuItemContainer[]     $items
+     *
+     * @return  array
+     */
+    private function createMenu(array $items)
+    {
+        $navigation = array();
+        foreach ($items as $item) {
+            /** @var MenuItemContainer $item */
+            $properties = $item->getProperties();
+            $properties['children'] = $this->createMenu($item->getChildren());
+            if (! isset($properties['label'])) {
+                $properties['label'] = $this->translate($item->getName());
+            }
+
+            $navigation[$item->getName()] = $properties;
+        }
+
+        return $navigation;
+    }
+
+    /**
+     * Add or get a menu section
+     *
+     * @param   string  $name
+     * @param   array   $properties
+     *
+     * @return  MenuItemContainer
+     */
+    protected function menuSection($name, array $properties = array())
+    {
+        if (array_key_exists($name, $this->menuItems)) {
+            $this->menuItems[$name]->setProperties($properties);
+        } else {
+            $this->menuItems[$name] = new MenuItemContainer($name, $properties);
+        }
+
+        return $this->menuItems[$name];
+    }
+
+    /**
+     * Register module
+     *
+     * @return bool
+     */
+    public function register()
+    {
+        if ($this->registered) {
+            return true;
+        }
+
+        $this->registerAutoloader();
+        try {
+            $this->launchRunScript();
+        } catch (Exception $e) {
+            Logger::warning(
+                'Launching the run script %s for module %s failed with the following exception: %s',
+                $this->runScript,
+                $this->name,
+                $e->getMessage()
+            );
+            return false;
+        }
+        $this->registerWebIntegration();
+        $this->registered = true;
+
+        return true;
+    }
+
+    /**
+     * Get whether this module has been registered
+     *
+     * @return bool
+     */
+    public function isRegistered()
+    {
+        return $this->registered;
+    }
+
+    /**
+     * Test for an enabled module by name
+     *
+     * @param   string $name
+     *
+     * @return  bool
+     */
+    public static function exists($name)
+    {
+        return Icinga::app()->getModuleManager()->hasEnabled($name);
+    }
+
+    /**
+     * Get a module by name
+     *
+     * @param string $name
+     * @param bool   $autoload
+     *
+     * @return  self
+     *
+     * @throws ProgrammingError When the module is not yet loaded
+     */
+    public static function get($name, $autoload = false)
+    {
+        $manager = Icinga::app()->getModuleManager();
+        if (!$manager->hasLoaded($name)) {
+            if ($autoload === true && $manager->hasEnabled($name)) {
+                $manager->loadModule($name);
+            }
+        }
+        // Throws ProgrammingError when the module is not yet loaded
+        return $manager->getModule($name);
+    }
+
+    /**
+     * Provide an additional CSS/LESS file
+     *
+     * @param   string  $path   The path to the file, relative to self::$cssdir
+     *
+     * @return  $this
+     */
+    protected function provideCssFile($path)
+    {
+        $this->cssFiles[] = $this->cssdir . DIRECTORY_SEPARATOR . $path;
+        return $this;
+    }
+
+    /**
+     * Test if module provides css
+     *
+     * @return bool
+     */
+    public function hasCss()
+    {
+        if (file_exists($this->getCssFilename())) {
+            return true;
+        }
+
+        $this->launchConfigScript();
+        return !empty($this->cssFiles);
+    }
+
+    /**
+     * Returns the complete less file name
+     *
+     * @return string
+     */
+    public function getCssFilename()
+    {
+        return $this->cssdir . '/module.less';
+    }
+
+    /**
+     * Return the CSS/LESS files this module provides
+     *
+     * @return  array
+     */
+    public function getCssFiles()
+    {
+        $this->launchConfigScript();
+        $files = $this->cssFiles;
+        if (file_exists($this->getCssFilename())) {
+            $files[] = $this->getCssFilename();
+        }
+        return $files;
+    }
+
+    /**
+     * Provide an additional Javascript file
+     *
+     * @param   string  $path   The path to the file, relative to self::$jsdir
+     *
+     * @return  $this
+     */
+    protected function provideJsFile($path)
+    {
+        $this->jsFiles[] = $this->jsdir . DIRECTORY_SEPARATOR . $path;
+        return $this;
+    }
+
+    /**
+     * Test if module provides js
+     *
+     * @return bool
+     */
+    public function hasJs()
+    {
+        if (file_exists($this->getJsFilename())) {
+            return true;
+        }
+
+        $this->launchConfigScript();
+        return !empty($this->jsFiles);
+    }
+
+    /**
+     * Returns the complete js file name
+     *
+     * @return string
+     */
+    public function getJsFilename()
+    {
+        return $this->jsdir . '/module.js';
+    }
+
+    /**
+     * Return the Javascript files this module provides
+     *
+     * @return  array
+     */
+    public function getJsFiles()
+    {
+        $this->launchConfigScript();
+        $files = $this->jsFiles;
+        $files[] = $this->getJsFilename();
+        return $files;
+    }
+
+    /**
+     * Get the module name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Get the module namespace
+     *
+     * @return string
+     */
+    public function getNamespace()
+    {
+        return 'Icinga\\Module\\' . ucfirst($this->getName());
+    }
+
+    /**
+     * Get the module version
+     *
+     * @return string
+     */
+    public function getVersion()
+    {
+        return $this->metadata()->version;
+    }
+
+    /**
+     * Get the module description
+     *
+     * @return string
+     */
+    public function getDescription()
+    {
+        return $this->metadata()->description;
+    }
+
+    /**
+     * Get the module title (short description)
+     *
+     * @return string
+     */
+    public function getTitle()
+    {
+        return $this->metadata()->title;
+    }
+
+    /**
+     * Get the module dependencies
+     *
+     * @return array
+     * @deprecated Use method getRequiredModules() instead
+     */
+    public function getDependencies()
+    {
+        return $this->metadata()->depends;
+    }
+
+    /**
+     * Get required libraries
+     *
+     * @return array
+     */
+    public function getRequiredLibraries()
+    {
+        $requiredLibraries = $this->metadata()->libraries;
+
+        // Register module requirements for ipl and reactbundle as library requirements
+        $requiredModules = $this->metadata()->modules ?: $this->metadata()->depends;
+        if (isset($requiredModules['ipl']) && ! isset($requiredLibraries['icinga-php-library'])) {
+            $requiredLibraries['icinga-php-library'] = $requiredModules['ipl'];
+        }
+
+        if (isset($requiredModules['reactbundle']) && ! isset($requiredLibraries['icinga-php-thirdparty'])) {
+            $requiredLibraries['icinga-php-thirdparty'] = $requiredModules['reactbundle'];
+        }
+
+        return $requiredLibraries;
+    }
+
+    /**
+     * Get required modules
+     *
+     * @return array
+     */
+    public function getRequiredModules()
+    {
+        $requiredModules = $this->metadata()->modules ?: $this->metadata()->depends;
+
+        $hasIcingadb = isset($requiredModules['icingadb']);
+        if (isset($requiredModules['monitoring']) && ($this->isSupportingIcingadb() || $hasIcingadb)) {
+            $requiredMods = [];
+            $icingadbVersion = true;
+            if ($hasIcingadb) {
+                $icingadbVersion = isset($requiredModules['icingadb']) ? $requiredModules['icingadb'] : true;
+                unset($requiredModules['icingadb']);
+            }
+
+            foreach ($requiredModules as $name => $version) {
+                $requiredMods[$name] = $version;
+                if ($name === 'monitoring') {
+                    $requiredMods['icingadb'] = $icingadbVersion;
+                }
+            }
+
+            $requiredModules = $requiredMods;
+        }
+
+        // Both modules are deprecated and their successors are now dependencies of web itself
+        unset($requiredModules['ipl'], $requiredModules['reactbundle']);
+
+        return $requiredModules;
+    }
+
+    /**
+     * Check whether module supports icingadb
+     *
+     * @return bool
+     */
+    protected function isSupportingIcingadb()
+    {
+        $icingadbSupportingModules = [
+            'cube'              => '1.2.0',
+            'jira'              => '1.2.0',
+            'graphite'          => '1.2.0',
+            'director'          => '1.9.0',
+            'toplevelview'      => '0.4.0',
+            'businessprocess'   => '2.4.0'
+        ];
+
+        return array_key_exists($this->getName(), $icingadbSupportingModules)
+            && version_compare($this->getVersion(), $icingadbSupportingModules[$this->getName()], '>=');
+    }
+
+    /**
+     * Fetch module metadata
+     *
+     * @return object
+     */
+    protected function metadata()
+    {
+        if ($this->metadata === null) {
+            $metadata = (object) [
+                'name'          => $this->getName(),
+                'version'       => '0.0.0',
+                'title'         => null,
+                'description'   => '',
+                'depends'       => [],
+                'libraries'     => [],
+                'modules'       => []
+            ];
+
+            if (file_exists($this->metadataFile)) {
+                $key = null;
+                $simpleRequires = false;
+                $file = new File($this->metadataFile, 'r');
+                foreach ($file as $lineno => $line) {
+                    $line = rtrim($line);
+
+                    if ($key === 'description') {
+                        if (empty($line)) {
+                            $metadata->description .= "\n";
+                            continue;
+                        } elseif ($line[0] === ' ') {
+                            $metadata->description .= $line;
+                            continue;
+                        }
+                    } elseif (empty($line)) {
+                        continue;
+                    }
+
+                    if (strpos($line, ':') === false) {
+                        Logger::debug(
+                            "Can't process line %d in %s: Line does not specify a key:value pair"
+                            . " nor is it part of the description (indented with a single space)",
+                            $lineno,
+                            $this->metadataFile
+                        );
+
+                        break;
+                    }
+
+                    $parts = preg_split('/:\s+/', $line, 2);
+                    if (count($parts) === 1) {
+                        $parts[] = '';
+                    }
+
+                    list($key, $val) = $parts;
+
+                    $key = strtolower($key);
+                    switch ($key) {
+                        case 'requires':
+                            if ($val) {
+                                $simpleRequires = true;
+                                $key = 'libraries';
+                            } else {
+                                break;
+                            }
+
+                            // Shares the syntax with `Depends`
+                        case '  libraries':
+                        case '  modules':
+                            if ($simpleRequires && $key[0] === ' ') {
+                                Logger::debug(
+                                    'Can\'t process line %d in %s: Requirements already registered by a previous line',
+                                    $lineno,
+                                    $this->metadataFile
+                                );
+                                break;
+                            }
+
+                            $key = ltrim($key);
+                            // Shares the syntax with `Depends`
+                        case 'depends':
+                            if (strpos($val, ' ') === false) {
+                                $metadata->{$key}[$val] = true;
+                                continue 2;
+                            }
+
+                            $parts = preg_split('/,\s+/', $val);
+                            foreach ($parts as $part) {
+                                if (preg_match('/^([\w\-\/]+)\s+\((.+)\)$/', $part, $m)) {
+                                    $metadata->{$key}[$m[1]] = $m[2];
+                                } else {
+                                    $metadata->{$key}[$part] = true;
+                                }
+                            }
+
+                            break;
+                        case 'description':
+                            if ($metadata->title === null) {
+                                $metadata->title = $val;
+                            } else {
+                                $metadata->description = $val;
+                            }
+                            break;
+
+                        default:
+                            $metadata->{$key} = $val;
+                    }
+                }
+            }
+
+            if ($metadata->title === null) {
+                $metadata->title = $this->getName();
+            }
+
+            if ($metadata->description === '') {
+                $metadata->description = t(
+                    'This module has no description'
+                );
+            }
+
+            $this->metadata = $metadata;
+        }
+        return $this->metadata;
+    }
+
+    /**
+     * Get the module's CSS directory
+     *
+     * @return string
+     */
+    public function getCssDir()
+    {
+        return $this->cssdir;
+    }
+
+    /**
+     * Get the module's JS directory
+     *
+     * @return string
+     */
+    public function getJsDir()
+    {
+        return $this->jsdir;
+    }
+
+    /**
+     * Get the module's controller directory
+     *
+     * @return string
+     */
+    public function getControllerDir()
+    {
+        return $this->controllerdir;
+    }
+
+    /**
+     * Get the module's base directory
+     *
+     * @return string
+     */
+    public function getBaseDir()
+    {
+        return $this->basedir;
+    }
+
+    /**
+     * Get the module's application directory
+     *
+     * @return string
+     */
+    public function getApplicationDir()
+    {
+        return $this->appdir;
+    }
+
+    /**
+     * Get the module's library directory
+     *
+     * @return string
+     */
+    public function getLibDir()
+    {
+        return $this->libdir;
+    }
+
+    /**
+     * Get the module's configuration directory
+     *
+     * @return string
+     */
+    public function getConfigDir()
+    {
+        return $this->configdir;
+    }
+
+    /**
+     * Get the module's form directory
+     *
+     * @return string
+     */
+    public function getFormDir()
+    {
+        return $this->formdir;
+    }
+
+    /**
+     * Get the module config
+     *
+     * @param   string $file
+     *
+     * @return  Config
+     */
+    public function getConfig($file = 'config')
+    {
+        return $this->app->getConfig()->module($this->name, $file);
+    }
+
+    /**
+     * Get provided permissions
+     *
+     * @return array
+     */
+    public function getProvidedPermissions()
+    {
+        $this->launchConfigScript();
+        return $this->permissionList;
+    }
+
+    /**
+     * Get provided restrictions
+     *
+     * @return array
+     */
+    public function getProvidedRestrictions()
+    {
+        $this->launchConfigScript();
+        return $this->restrictionList;
+    }
+
+    /**
+     * Whether the module provides the given restriction
+     *
+     * @param   string $name Restriction name
+     *
+     * @return  bool
+     */
+    public function providesRestriction($name)
+    {
+        $this->launchConfigScript();
+        return array_key_exists($name, $this->restrictionList);
+    }
+
+    /**
+     * Whether the module provides the given permission
+     *
+     * @param   string $name Permission name
+     *
+     * @return  bool
+     */
+    public function providesPermission($name)
+    {
+        $this->launchConfigScript();
+        return array_key_exists($name, $this->permissionList);
+    }
+
+    /**
+     * Get the module configuration tabs
+     *
+     * @return \Icinga\Web\Widget\Tabs
+     */
+    public function getConfigTabs()
+    {
+        $this->launchConfigScript();
+        $tabs = Widget::create('tabs');
+        /** @var \Icinga\Web\Widget\Tabs $tabs */
+        $tabs->add('info', array(
+            'url'       => 'config/module',
+            'urlParams' => array('name' => $this->getName()),
+            'label'     => 'Module: ' . $this->getName()
+        ));
+
+        if ($this->app->getModuleManager()->hasEnabled($this->name)) {
+            foreach ($this->configTabs as $name => $config) {
+                $tabs->add($name, $config);
+            }
+        }
+
+        return $tabs;
+    }
+
+    /**
+     * Whether the module provides a setup wizard
+     *
+     * @return bool
+     */
+    public function providesSetupWizard()
+    {
+        $this->launchConfigScript();
+        if ($this->setupWizard && class_exists($this->setupWizard)) {
+            $wizard = new $this->setupWizard;
+            return $wizard instanceof SetupWizard;
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the module's setup wizard
+     *
+     * @return SetupWizard
+     */
+    public function getSetupWizard()
+    {
+        return new $this->setupWizard;
+    }
+
+    /**
+     * Get the module's user backends
+     *
+     * @return array
+     */
+    public function getUserBackends()
+    {
+        $this->launchConfigScript();
+        return $this->userBackends;
+    }
+
+    /**
+     * Get the module's user group backends
+     *
+     * @return array
+     */
+    public function getUserGroupBackends()
+    {
+        $this->launchConfigScript();
+        return $this->userGroupBackends;
+    }
+
+    /**
+     * Return this module's configurable navigation items
+     *
+     * @return  array
+     */
+    public function getNavigationItems()
+    {
+        $this->launchConfigScript();
+        return $this->navigationItems;
+    }
+
+    /**
+     * Provide a named permission
+     *
+     * @param   string $name        Unique permission name
+     * @param   string $description Permission description
+     *
+     * @throws  IcingaException     If the permission is already provided
+     */
+    protected function providePermission($name, $description)
+    {
+        if ($this->providesPermission($name)) {
+            throw new IcingaException(
+                'Cannot provide permission "%s" twice',
+                $name
+            );
+        }
+        $this->permissionList[$name] = (object) array(
+            'name'        => $name,
+            'description' => $description
+        );
+    }
+
+    /**
+     * Provide a named restriction
+     *
+     * @param   string $name        Unique restriction name
+     * @param   string $description Restriction description
+     *
+     * @throws  IcingaException     If the restriction is already provided
+     */
+    protected function provideRestriction($name, $description)
+    {
+        if ($this->providesRestriction($name)) {
+            throw new IcingaException(
+                'Cannot provide restriction "%s" twice',
+                $name
+            );
+        }
+        $this->restrictionList[$name] = (object) array(
+            'name'        => $name,
+            'description' => $description
+        );
+    }
+
+    /**
+     * Provide a module config tab
+     *
+     * @param   string  $name       Unique tab name
+     * @param   array   $config     Tab config
+     *
+     * @return  $this
+     * @throws  ProgrammingError    If $config lacks the key 'url'
+     */
+    protected function provideConfigTab($name, $config = array())
+    {
+        if (! array_key_exists('url', $config)) {
+            throw new ProgrammingError('A module config tab MUST provide a "url"');
+        }
+        $config['url'] = $this->getName() . '/' . ltrim($config['url'], '/');
+        $this->configTabs[$name] = $config;
+        return $this;
+    }
+
+    /**
+     * Provide a setup wizard
+     *
+     * @param   string $className The name of the class
+     *
+     * @return  $this
+     */
+    protected function provideSetupWizard($className)
+    {
+        $this->setupWizard = $className;
+        return $this;
+    }
+
+    /**
+     * Provide a user backend capable of authenticating users
+     *
+     * @param   string $identifier  The identifier of the new backend type
+     * @param   string $className   The name of the class
+     *
+     * @return  $this
+     */
+    protected function provideUserBackend($identifier, $className)
+    {
+        $this->userBackends[strtolower($identifier)] = $className;
+        return $this;
+    }
+
+    /**
+     * Provide a user group backend
+     *
+     * @param   string $identifier  The identifier of the new backend type
+     * @param   string $className   The name of the class
+     *
+     * @return  $this
+     */
+    protected function provideUserGroupBackend($identifier, $className)
+    {
+        $this->userGroupBackends[strtolower($identifier)] = $className;
+        return $this;
+    }
+
+    /**
+     * Provide a new type of configurable navigation item with a optional label and config filename
+     *
+     * @param   string  $type
+     * @param   string  $label
+     * @param   string  $config
+     *
+     * @return  $this
+     */
+    protected function provideNavigationItem($type, $label = null, $config = null)
+    {
+        $this->navigationItems[$type] = array(
+            'label'     => $label,
+            'config'    => $config
+        );
+
+        return $this;
+    }
+
+    /**
+     * Register module namespaces on our class loader
+     *
+     * @return $this
+     */
+    protected function registerAutoloader()
+    {
+        if ($this->registeredAutoloader) {
+            return $this;
+        }
+
+        $moduleName = ucfirst($this->getName());
+
+        $this->app->getLoader()->registerNamespace(
+            'Icinga\\Module\\' . $moduleName,
+            $this->getLibDir() . '/'. $moduleName,
+            $this->getApplicationDir()
+        );
+
+        $this->registeredAutoloader = true;
+
+        return $this;
+    }
+
+    /**
+     * Bind text domain for i18n
+     *
+     * @return $this
+     */
+    protected function registerLocales()
+    {
+        if ($this->hasLocales() && StaticTranslator::$instance instanceof GettextTranslator) {
+            StaticTranslator::$instance->addTranslationDirectory($this->localedir, $this->name);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get whether the module has translations
+     */
+    public function hasLocales()
+    {
+        return file_exists($this->localedir) && is_dir($this->localedir);
+    }
+
+    /**
+     * List all available locales
+     *
+     * @return array Locale list
+     */
+    public function listLocales()
+    {
+        $locales = array();
+        if (! $this->hasLocales()) {
+            return $locales;
+        }
+
+        $dh = opendir($this->localedir);
+        while (false !== ($file = readdir($dh))) {
+            $filename = $this->localedir . DIRECTORY_SEPARATOR . $file;
+            if (preg_match('/^[a-z]{2}_[A-Z]{2}$/', $file) && is_dir($filename)) {
+                $locales[] = $file;
+            }
+        }
+        closedir($dh);
+        sort($locales);
+        return $locales;
+    }
+
+    /**
+     * Register web integration
+     *
+     * Add controller directory to mvc
+     *
+     * @return $this
+     */
+    protected function registerWebIntegration()
+    {
+        if (! $this->app->isWeb()) {
+            return $this;
+        }
+
+        return $this
+            ->registerLocales()
+            ->registerRoutes();
+    }
+
+    /**
+     * Add routes for static content and any route added via {@link addRoute()} to the route chain
+     *
+     * @return $this
+     */
+    protected function registerRoutes()
+    {
+        $router = $this->app->getFrontController()->getRouter();
+
+        // TODO: We should not be required to do this. Please check dispatch()
+        $this->app->getfrontController()->addControllerDirectory(
+            $this->getControllerDir(),
+            $this->getName()
+        );
+
+        /** @var \Zend_Controller_Router_Rewrite $router */
+        foreach ($this->routes as $name => $route) {
+            $router->addRoute($name, $route);
+        }
+        $router->addRoute(
+            $this->name . '_jsprovider',
+            new Zend_Controller_Router_Route(
+                'js/' . $this->name . '/:file',
+                array(
+                    'action'        => 'javascript',
+                    'controller'    => 'static',
+                    'module'        => 'default',
+                    'module_name'   => $this->name
+                )
+            )
+        );
+        $router->addRoute(
+            $this->name . '_img',
+            new Zend_Controller_Router_Route_Regex(
+                'img/' . $this->name . '/(.+)',
+                array(
+                    'action'        => 'img',
+                    'controller'    => 'static',
+                    'module'        => 'default',
+                    'module_name'   => $this->name
+                ),
+                array(
+                    1 => 'file'
+                )
+            )
+        );
+        return $this;
+    }
+
+    /**
+     * Run module bootstrap script
+     *
+     * @return $this
+     */
+    protected function launchRunScript()
+    {
+        return $this->includeScript($this->runScript);
+    }
+
+    /**
+     * Include a php script if it is readable
+     *
+     * @param   string $file File to include
+     *
+     * @return  $this
+     */
+    protected function includeScript($file)
+    {
+        if (file_exists($file) && is_readable($file)) {
+            include $file;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Run module config script
+     *
+     * @return $this
+     */
+    protected function launchConfigScript()
+    {
+        if ($this->triedToLaunchConfigScript) {
+            return $this;
+        }
+        $this->triedToLaunchConfigScript = true;
+        $this->registerAutoloader();
+        return $this->includeScript($this->configScript);
+    }
+
+    protected function slashesToNamespace($class)
+    {
+        $list = explode('/', $class);
+        foreach ($list as &$part) {
+            $part = ucfirst($part);
+        }
+
+        return implode('\\', $list);
+    }
+
+    /**
+     * Provide a hook implementation
+     *
+     * @param   string  $name           Name of the hook for which to provide an implementation
+     * @param   string  $implementation Fully qualified name of the class providing the hook implementation.
+     *                                  Defaults to the module's ProvidedHook namespace plus the hook's name for the
+     *                                  class name
+     * @param   bool    $alwaysRun      To run the hook always (e.g. without permission check)
+     *
+     * @return  $this
+     */
+    protected function provideHook($name, $implementation = null, $alwaysRun = false)
+    {
+        if ($implementation === null) {
+            $implementation = $name;
+        }
+
+        if (strpos($implementation, '\\') === false) {
+            $class = $this->getNamespace()
+                   . '\\ProvidedHook\\'
+                   . $this->slashesToNamespace($implementation);
+        } else {
+            $class = $implementation;
+        }
+
+        Hook::register($name, $class, $class, $alwaysRun);
+        return $this;
+    }
+
+    /**
+     * Add a route which will be added to the route chain
+     *
+     * @param   string                                  $name   Name of the route
+     * @param   Zend_Controller_Router_Route_Abstract   $route  Instance of the route
+     *
+     * @return  $this
+     * @see     registerRoutes()
+     */
+    protected function addRoute($name, Zend_Controller_Router_Route_Abstract $route)
+    {
+        $this->routes[$name] = $route;
+        return $this;
+    }
+}