3 files changed, 105 insertions, 2 deletions

diff --git a/application/container/ContainerBuilder.php b/application/container/ContainerBuilder.php
index a4fd6a0c..ba91fe8b 100644
--- a/application/container/ContainerBuilder.php
+++ b/application/container/ContainerBuilder.php
@@ -88,7 +88,12 @@ class ContainerBuilder
         };
 
         $container['pluginManager'] = function (ShaarliContainer $container): PluginManager {
-            return new PluginManager($container->conf);
+            $pluginManager = new PluginManager($container->conf);
+
+            // FIXME! Configuration is already injected
+            $pluginManager->load($container->conf->get('general.enabled_plugins'));
+
+            return $pluginManager;
         };
 
         $container['formatterFactory'] = function (ShaarliContainer $container): FormatterFactory {
diff --git a/application/front/controller/admin/PluginsController.php b/application/front/controller/admin/PluginsController.php
new file mode 100644
index 00000000..d5ec91f0
--- /dev/null
+++ b/application/front/controller/admin/PluginsController.php
@@ -0,0 +1,98 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use Exception;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Class PluginsController
+ *
+ * Slim controller used to handle Shaarli plugins configuration page (display + save new config).
+ */
+class PluginsController extends ShaarliAdminController
+{
+    /**
+     * GET /admin/plugins - Displays the configuration page
+     */
+    public function index(Request $request, Response $response): Response
+    {
+        $pluginMeta = $this->container->pluginManager->getPluginsMeta();
+
+        // Split plugins into 2 arrays: ordered enabled plugins and disabled.
+        $enabledPlugins = array_filter($pluginMeta, function ($v) {
+            return ($v['order'] ?? false) !== false;
+        });
+        $enabledPlugins = load_plugin_parameter_values($enabledPlugins, $this->container->conf->get('plugins', []));
+        uasort(
+            $enabledPlugins,
+            function ($a, $b) {
+                return $a['order'] - $b['order'];
+            }
+        );
+        $disabledPlugins = array_filter($pluginMeta, function ($v) {
+            return ($v['order'] ?? false) === false;
+        });
+
+        $this->assignView('enabledPlugins', $enabledPlugins);
+        $this->assignView('disabledPlugins', $disabledPlugins);
+        $this->assignView(
+            'pagetitle',
+            t('Plugin Administration') .' - '. $this->container->conf->get('general.title', 'Shaarli')
+        );
+
+        return $response->write($this->render('pluginsadmin'));
+    }
+
+    /**
+     * POST /admin/plugins - Update Shaarli's configuration
+     */
+    public function save(Request $request, Response $response): Response
+    {
+        $this->checkToken($request);
+
+        try {
+            $parameters = $request->getParams() ?? [];
+
+            $this->executeHooks($parameters);
+
+            if (isset($parameters['parameters_form'])) {
+                unset($parameters['parameters_form']);
+                foreach ($parameters as $param => $value) {
+                    $this->container->conf->set('plugins.'. $param, escape($value));
+                }
+            } else {
+                $this->container->conf->set('general.enabled_plugins', save_plugin_config($parameters));
+            }
+
+            $this->container->conf->write($this->container->loginManager->isLoggedIn());
+            $this->container->history->updateSettings();
+
+            $this->saveSuccessMessage(t('Setting successfully saved.'));
+        } catch (Exception $e) {
+            $this->saveErrorMessage(
+                t('ERROR while saving plugin configuration: ') . PHP_EOL . $e->getMessage()
+            );
+        }
+
+        return $this->redirect($response, '/admin/plugins');
+    }
+
+    /**
+     * @param mixed[] $data Variables passed to the template engine
+     *
+     * @return mixed[] Template data after active plugins render_picwall hook execution.
+     */
+    protected function executeHooks(array $data): array
+    {
+        $this->container->pluginManager->executeHooks(
+            'save_plugin_parameters',
+            $data
+        );
+
+        return $data;
+    }
+}
diff --git a/application/plugin/PluginManager.php b/application/plugin/PluginManager.php
index f7b24a8e..591a9180 100644
--- a/application/plugin/PluginManager.php
+++ b/application/plugin/PluginManager.php
@@ -16,7 +16,7 @@ class PluginManager
      *
      * @var array $authorizedPlugins
      */
-    private $authorizedPlugins;
+    private $authorizedPlugins = [];
 
     /**
      * List of loaded plugins.