Enhance plugins administtration

git-svn-id: http://piwigo.org/svn/trunk@2242 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions_plugins.inc.php

@@ -107,4 +107,182 @@ function get_admin_plugin_menu_link($file)
   return $url;
 }
 
+/**
+ * Sort plugins by status
+ */
+function sort_plugins_by_state($plugins, $db_plugins_by_id)
+{
+  $active_plugins = array();
+  $inactive_plugins = array();
+  $not_installed = array();
+
+  foreach($plugins as $plugin_id => $plugin)
+  {
+    if (isset($db_plugins_by_id[$plugin_id]))
+    {
+      $db_plugins_by_id[$plugin_id]['state'] == 'active' ?
+        $active_plugins[$plugin_id] = $plugin : $inactive_plugins[$plugin_id] = $plugin;
+    }
+    else
+    {
+      $not_installed[$plugin_id] = $plugin;
+    }
+  }
+  return $active_plugins + $inactive_plugins + $not_installed;
+}
+
+
+/**
+ * Retrieve PEM server datas
+ * @param bool (true for retrieve new extensions)
+ */
+function check_server_plugins($newext=false)
+{
+  global $fs_plugins;
+  
+  foreach($fs_plugins as $plugin_id => $fs_plugin)
+  {
+    if (!empty($fs_plugin['uri']) and strpos($fs_plugin['uri'] , 'extension_view.php?eid='))
+    {
+      list( , $extension) = explode('extension_view.php?eid=', $fs_plugin['uri']);
+      if (!is_numeric($extension)) continue;
+      $plugins_to_check[] = $extension;
+      $fs_plugins[$plugin_id]['extension'] = $extension;
+    }
+  }
+  
+  $url = PEM_URL . '/uptodate.php?version=' . rawurlencode(PHPWG_VERSION) . '&extensions=' . implode(',', $plugins_to_check);
+  $url .= $newext ? '&newext=Plugin' : '';
+
+  if (!empty($plugins_to_check) and $source = @file_get_contents($url))
+  {
+    return @unserialize($source);
+  }
+  return false;
+}
+
+
+/**
+ * Extract plugin files from archive
+ * @param string - install or upgrade
+ *  @param string - archive URL
+  * @param string - destination path
+ */
+function extract_plugin_files($action, $source, $dest)
+{
+  global $archive;
+  if ($archive = tempnam( PHPWG_PLUGINS_PATH, 'zip'))
+  {
+    if (@copy(PEM_URL . str_replace(' ', '%20', $source), $archive))
+    {
+      $zip = new PclZip($archive);
+      if ($list = $zip->listContent())
+      {
+        foreach ($list as $file)
+        {
+          // we search main.inc.php in archive
+          if (basename($file['filename']) == 'main.inc.php'
+            and (!isset($main_filepath) or strlen($file['filename']) < strlen($main_filepath)))
+          {
+            $main_filepath = $file['filename'];
+          }
+        }
+      
+        if (isset($main_filepath))
+        {
+          $root = dirname($main_filepath); // main.inc.php path in archive
+          if ($action == 'upgrade') $extract_path = PHPWG_PLUGINS_PATH . $dest;
+          else $extract_path = PHPWG_PLUGINS_PATH . ($root == '.' ? 'extension_' . $dest : basename($root));
+        
+          if($result = $zip->extract(PCLZIP_OPT_PATH, $extract_path,
+                                     PCLZIP_OPT_REMOVE_PATH, $root,
+                                     PCLZIP_OPT_REPLACE_NEWER))
+          {
+            foreach ($result as $file)
+            {
+              if ($file['stored_filename'] == $main_filepath)
+              {
+                $status = $file['status'];
+                break;
+              }
+            }
+          }
+          else $status = 'extract_error';
+        }
+        else $status = 'archive_error';
+      }
+      else $status = 'archive_error';
+    }
+    else $status = 'dl_archive_error';
+  }
+  else $status = 'temp_path_error';
+  
+  @unlink($archive);
+  return $status;
+}
+
+
+/**
+ * delete $path directory
+ * @param string - path
+ */
+function pm_deltree($path)
+{
+  if (is_dir($path))
+  {
+    $fh = opendir($path);
+    while ($file = readdir($fh))
+    {
+      if ($file != '.' and $file != '..')
+      {
+        $pathfile = $path . '/' . $file;
+        if (is_dir($pathfile)) pm_deltree($pathfile);
+        else @unlink($pathfile);
+      }
+    }
+    closedir($fh);
+    return @rmdir($path);
+  }
+}
+
+
+/**
+ * send $path to trash directory
+  * @param string - path
+ */
+function send_pm_trash($path)
+{
+  $trash_path = PHPWG_PLUGINS_PATH . 'trash';
+  if (!is_dir($trash_path))
+  {
+    @mkdir($trash_path);
+    $file = @fopen($trash_path . '/.htaccess', 'w');
+    @fwrite($file, 'deny from all');
+    @fclose($file);
+  }
+  while ($r = $trash_path . '/' . md5(uniqid(rand(), true)))
+  {
+    if (!is_dir($r))
+    {
+      @rename($path, $r);
+      break;
+    }
+  }
+}
+
+
+/**
+ * Sort functions
+ */
+function extension_name_compare($a, $b)
+{
+  return strcmp(strtolower($a['ext_name']), strtolower($b['ext_name']));
+}
+function extension_author_compare($a, $b)
+{
+  $r = strcmp(strtolower($a['author']), strtolower($b['author']));
+  if ($r == 0) return extension_name_compare($a, $b);
+  else return $r;
+}
+
 ?>