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   1  <?php
   2  /**
   3   * Update Plugin/Theme administration panel.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /** WordPress Administration Bootstrap */
  10  require_once ('admin.php');
  11  
  12  if ( ! current_user_can('update_plugins') )
  13      wp_die(__('You do not have sufficient permissions to update plugins for this blog.'));
  14  
  15  /**
  16   * Plugin upgrade display.
  17   *
  18   * @since 2.5
  19   *
  20   * @param string $plugin Plugin
  21   */
  22  function do_plugin_upgrade($plugin) {
  23      global $wp_filesystem;
  24  
  25      $url = wp_nonce_url("update.php?action=upgrade-plugin&plugin=$plugin", "upgrade-plugin_$plugin");
  26      if ( false === ($credentials = request_filesystem_credentials($url)) )
  27          return;
  28  
  29      if ( ! WP_Filesystem($credentials) ) {
  30          $error = true;
  31          if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
  32              $error = $wp_filesystem->errors;
  33          request_filesystem_credentials($url, '', $error); //Failed to connect, Error and request again
  34          return;
  35      }
  36  
  37      echo '<div class="wrap">';
  38      echo '<h2>' . __('Upgrade Plugin') . '</h2>';
  39      if ( $wp_filesystem->errors->get_error_code() ) {
  40          foreach ( $wp_filesystem->errors->get_error_messages() as $message )
  41              show_message($message);
  42          echo '</div>';
  43          return;
  44      }
  45  
  46      $was_activated = is_plugin_active($plugin); //Check now, It'll be deactivated by the next line if it is
  47  
  48      $result = wp_update_plugin($plugin, 'show_message');
  49  
  50      if ( is_wp_error($result) ) {
  51          show_message($result);
  52          show_message( __('Plugin upgrade Failed') );
  53      } else {
  54          $plugin_file = $result;
  55          show_message( __('Plugin upgraded successfully') );
  56          if( $result && $was_activated ){
  57              show_message(__('Attempting reactivation of the plugin'));
  58              echo '<iframe style="border:0;overflow:hidden" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) .'"></iframe>';
  59          }
  60          $update_actions =  array(
  61              'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) . '" title="' . attribute_escape(__('Activate this plugin')) . '" target="_parent">' . __('Activate Plugin') . '</a>',
  62              'plugins_page' => '<a href="' . admin_url('plugins.php') . '" title="' . attribute_escape(__('Goto plugins page')) . '" target="_parent">' . __('Return to Plugins page') . '</a>'
  63          );
  64          if ( $was_activated )
  65              unset( $update_actions['activate_plugin'] );
  66  
  67          $update_actions = apply_filters('update_plugin_complete_actions', $update_actions, $plugin_file);
  68          if ( ! empty($update_actions) )
  69              show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$update_actions));
  70      }
  71      echo '</div>';
  72  }
  73  
  74  /**
  75   * Theme upgrade display.
  76   *
  77   * @since 2.5
  78   *
  79   * @param string $plugin Plugin
  80   */
  81  function do_theme_upgrade($theme) {
  82      global $wp_filesystem;
  83  
  84      $url = wp_nonce_url('update.php?action=upgrade-theme&theme=' . urlencode($theme), 'upgrade-plugin_' . urlencode($theme));
  85      if ( false === ($credentials = request_filesystem_credentials($url)) )
  86          return;
  87  
  88      if ( ! WP_Filesystem($credentials) ) {
  89          $error = true;
  90          if ( is_object($wp_filesystem) && $wp_filesystem->errors->get_error_code() )
  91              $error = $wp_filesystem->errors;
  92          request_filesystem_credentials($url, '', $error); //Failed to connect, Error and request again
  93          return;
  94      }
  95  
  96      echo '<div class="wrap">';
  97      echo '<h2>' . __('Upgrade Theme') . '</h2>';
  98      if ( $wp_filesystem->errors->get_error_code() ) {
  99          foreach ( $wp_filesystem->errors->get_error_messages() as $message )
 100              show_message($message);
 101          echo '</div>';
 102          return;
 103      }
 104  
 105      //TODO: Is theme currently active?
 106      $was_current = false; //is_plugin_active($plugin); //Check now, It'll be deactivated by the next line if it is
 107  
 108      $result = wp_update_theme($theme, 'show_message');
 109  
 110      if ( is_wp_error($result) ) {
 111          show_message($result);
 112          show_message( __('Installation Failed') );
 113      } else {
 114          //Result is the new plugin file relative to WP_PLUGIN_DIR
 115          show_message( __('Theme upgraded successfully') );
 116          if( $result && $was_current ){
 117              show_message(__('Setting theme as Current'));
 118              //TODO: Actually set it as active again.
 119              //echo '<iframe style="border:0" width="100%" height="170px" src="' . wp_nonce_url('update.php?action=activate-plugin&plugin=' . $result, 'activate-plugin_' . $result) .'"></iframe>';
 120          }
 121      }
 122      echo '</div>';
 123  }
 124  
 125  if ( isset($_GET['action']) ) {
 126      $plugin = isset($_GET['plugin']) ? trim($_GET['plugin']) : '';
 127      $theme = isset($_REQUEST['theme']) ? urldecode($_REQUEST['theme']) : '';
 128      $action = isset($_GET['action']) ? $_GET['action'] : '';
 129  
 130      if ( 'upgrade-plugin' == $action ) {
 131          check_admin_referer('upgrade-plugin_' . $plugin);
 132          $title = __('Upgrade Plugin');
 133          $parent_file = 'plugins.php';
 134          require_once ('admin-header.php');
 135          do_plugin_upgrade($plugin);
 136          include ('admin-footer.php');
 137      } elseif ('activate-plugin' == $action ) {
 138          check_admin_referer('activate-plugin_' . $plugin);
 139          if( ! isset($_GET['failure']) && ! isset($_GET['success']) ) {
 140              wp_redirect( 'update.php?action=activate-plugin&failure=true&plugin=' . $plugin . '&_wpnonce=' . $_GET['_wpnonce'] );
 141              activate_plugin($plugin);
 142              wp_redirect( 'update.php?action=activate-plugin&success=true&plugin=' . $plugin . '&_wpnonce=' . $_GET['_wpnonce'] );
 143              die();
 144          }
 145          iframe_header( __('Plugin Reactivation'), true );
 146          if( isset($_GET['success']) )
 147              echo '<p>' . __('Plugin reactivated successfully.') . '</p>';
 148  
 149          if( isset($_GET['failure']) ){
 150              echo '<p>' . __('Plugin failed to reactivate due to a fatal error.') . '</p>';
 151              error_reporting( E_ALL ^ E_NOTICE );
 152              @ini_set('display_errors', true); //Ensure that Fatal errors are displayed.
 153              include(WP_PLUGIN_DIR . '/' . $plugin);
 154          }
 155          iframe_footer();
 156      } elseif ( 'upgrade-theme' == $action ) {
 157          check_admin_referer('upgrade-theme_' . $theme);
 158          $title = __('Upgrade Theme');
 159          $parent_file = 'themes.php';
 160          require_once ('admin-header.php');
 161          do_theme_upgrade($theme);
 162          include ('admin-footer.php');
 163      }
 164  }
 165  
 166  ?>