From 2899ebb5b5e82890c877151f5c02045266ac9973 Mon Sep 17 00:00:00 2001
From: ArthurHoaro <arthur@hoa.ro>
Date: Fri, 22 May 2020 13:20:31 +0200
Subject: Initialize admin Slim controllers

  - Reorganize visitor controllers
  - Fix redirection with Slim's requests base path
  - Fix daily links
---
 .../visitor/ShaarliVisitorController.php           | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 application/front/controller/visitor/ShaarliVisitorController.php

(limited to 'application/front/controller/visitor/ShaarliVisitorController.php')

diff --git a/application/front/controller/visitor/ShaarliVisitorController.php b/application/front/controller/visitor/ShaarliVisitorController.php
new file mode 100644
index 00000000..655b3baa
--- /dev/null
+++ b/application/front/controller/visitor/ShaarliVisitorController.php
@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Visitor;
+
+use Shaarli\Bookmark\BookmarkFilter;
+use Shaarli\Container\ShaarliContainer;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+abstract class ShaarliVisitorController
+{
+    /** @var ShaarliContainer */
+    protected $container;
+
+    /** @param ShaarliContainer $container Slim container (extended for attribute completion). */
+    public function __construct(ShaarliContainer $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * Assign variables to RainTPL template through the PageBuilder.
+     *
+     * @param mixed $value Value to assign to the template
+     */
+    protected function assignView(string $name, $value): self
+    {
+        $this->container->pageBuilder->assign($name, $value);
+
+        return $this;
+    }
+
+    /**
+     * Assign variables to RainTPL template through the PageBuilder.
+     *
+     * @param mixed $data Values to assign to the template and their keys
+     */
+    protected function assignAllView(array $data): self
+    {
+        foreach ($data as $key => $value) {
+            $this->assignView($key, $value);
+        }
+
+        return $this;
+    }
+
+    protected function render(string $template): string
+    {
+        $this->assignView('linkcount', $this->container->bookmarkService->count(BookmarkFilter::$ALL));
+        $this->assignView('privateLinkcount', $this->container->bookmarkService->count(BookmarkFilter::$PRIVATE));
+        $this->assignView('plugin_errors', $this->container->pluginManager->getErrors());
+
+        $this->executeDefaultHooks($template);
+
+        return $this->container->pageBuilder->render($template);
+    }
+
+    /**
+     * Call plugin hooks for header, footer and includes, specifying which page will be rendered.
+     * Then assign generated data to RainTPL.
+     */
+    protected function executeDefaultHooks(string $template): void
+    {
+        $common_hooks = [
+            'includes',
+            'header',
+            'footer',
+        ];
+
+        foreach ($common_hooks as $name) {
+            $plugin_data = [];
+            $this->container->pluginManager->executeHooks(
+                'render_' . $name,
+                $plugin_data,
+                [
+                    'target' => $template,
+                    'loggedin' => $this->container->loginManager->isLoggedIn()
+                ]
+            );
+            $this->assignView('plugins_' . $name, $plugin_data);
+        }
+    }
+
+    /**
+     * Generates a redirection to the previous page, based on the HTTP_REFERER.
+     * It fails back to the home page.
+     *
+     * @param array $loopTerms   Terms to remove from path and query string to prevent direction loop.
+     * @param array $clearParams List of parameter to remove from the query string of the referrer.
+     */
+    protected function redirectFromReferer(
+        Request $request,
+        Response $response,
+        array $loopTerms = [],
+        array $clearParams = []
+    ): Response {
+        $defaultPath = $request->getUri()->getBasePath();
+        $referer = $this->container->environment['HTTP_REFERER'] ?? null;
+
+        if (null !== $referer) {
+            $currentUrl = parse_url($referer);
+            parse_str($currentUrl['query'] ?? '', $params);
+            $path = $currentUrl['path'] ?? $defaultPath;
+        } else {
+            $params = [];
+            $path = $defaultPath;
+        }
+
+        // Prevent redirection loop
+        if (isset($currentUrl)) {
+            foreach ($clearParams as $value) {
+                unset($params[$value]);
+            }
+
+            $checkQuery = implode('', array_keys($params));
+            foreach ($loopTerms as $value) {
+                if (strpos($path . $checkQuery, $value) !== false) {
+                    $params = [];
+                    $path = $defaultPath;
+                    break;
+                }
+            }
+        }
+
+        $queryString = count($params) > 0 ? '?'. http_build_query($params) : '';
+
+        return $response->withRedirect($path . $queryString);
+    }
+}
-- 
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