Added support for local hosted plugin logo files (png only)

src/Glpi/Marketplace/View.php

@@ -250,7 +250,7 @@ public static function installed(
             $clean_plugin = [
                 'key'           => $key,
                 'name'          => $plugin['name'],
-                'logo_url'      => $apidata['logo_url'] ?? "",
+                'logo_url'      => self::getLogoUrl($apidata, $key),
                 'description'   => $apidata['descriptions'][0]['short_description'] ?? "",
                 'authors'       => $apidata['authors'] ?? [['id' => 'all', 'name' => $plugin['author'] ?? ""]],
                 'license'       => $apidata['license'] ?? $plugin['license'] ?? "",
@@ -268,6 +268,80 @@ public static function installed(
         self::displayList($plugins, "installed", $only_lis);
     }
 
+    /**
+     * Get the logo of a plugin
+     * Useful for custom plugins which will be used internally only and are not published in the internet
+     *
+     * @param array   $apidata  collected data of the plugin
+     * @param string  $key      plugins directory name
+     *
+     * @return string url to the plugins logo or empty string
+     */
+   protected static function getLogoUrl(array $apidata, string $key): string {
+      // Check if a logo URL is provided from an online resource
+      if (isset($apidata['logo_url'])) {
+          return $apidata['logo_url'];
+      }
+
+      // Relative path to the plugin directory (used for HTML rendering)
+      $pluginPath = '../plugins/' . $key . '/';
+
+      // Attempt to find a local logo named after the plugin directory
+      if (self::checkImage($key, $key . '.png')) {
+          return $pluginPath . $key . '.png';
+      }
+
+      // Attempt to find a default file "logo.png" in the plugin directory
+      if (self::checkImage($key, 'logo.png')) {
+          return $pluginPath . 'logo.png';
+      }
+
+      // Attempt to find a default file "icon.png" in the plugin directory
+      if (self::checkImage($key, 'icon.png')) {
+         return $pluginPath . 'icon.png';
+      }
+
+      // No logo found, return an empty string
+      return '';
+   }
+
+   /**
+     * Checks whether an image file exists, is readable, and is a valid image.
+     *
+     * @param string $key The plugin key used to determine the plugin directory.
+     * @param string $filename The name of the image file to check.
+     * @return bool Returns true if the image exists, is readable, and is valid; otherwise, false.
+    */
+   protected static function checkImage(string $key, string $filename): bool {
+       // Get the absolute path to the plugin directory
+       $pluginDir = Plugin::getPhpDir($key) . '/';
+
+       // Construct the full path to the image file
+       $logo = $pluginDir . $filename;
+
+       // Check if the file exists, is readable, and is a valid image
+      if (file_exists($logo) && is_readable($logo) && self::isValidImage($logo)) {
+         return true;
+      }
+
+      // Image not usable
+      return false;
+   }
+
+    /**
+     * Checks if the given file is a valid image.
+     *
+     * @param string $filePath The path to the file to check.
+     * @return bool True if the file is a valid image, false otherwise.
+     */
+   protected static function isValidImage(string $filePath): bool {
+       // Attempt to retrieve image information
+       $imageInfo = @getimagesize($filePath);
+
+       // Return true if the file is a valid image, otherwise false
+       return ($imageInfo !== false);
+   }
+
     /**
      * Display discover tab (all availble plugins)
      *