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/wp-admin/ -> plugin-editor.php (source)

   1  <?php
   2  /**
   3   * Edit plugin editor 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('edit_plugins') )
  13      wp_die( __('You do not have sufficient permissions to edit plugins for this site.') );
  14  
  15  $title = __("Edit Plugins");
  16  $parent_file = 'plugins.php';
  17  
  18  wp_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file', 'plugin'));
  19  
  20  wp_admin_css( 'theme-editor' );
  21  
  22  $plugins = get_plugins();
  23  
  24  if ( empty($plugins) )
  25      wp_die( __('There are no plugins installed on this site.') );
  26  
  27  if ( isset($_REQUEST['file']) )
  28      $plugin = stripslashes($_REQUEST['file']);
  29  
  30  if ( empty($plugin) ) {
  31      $plugin = array_keys($plugins);
  32      $plugin = $plugin[0];
  33  }
  34  
  35  $plugin_files = get_plugin_files($plugin);
  36  
  37  if ( empty($file) )
  38      $file = $plugin_files[0];
  39  else
  40      $file = stripslashes($file);
  41  
  42  $file = validate_file_to_edit($file, $plugin_files);
  43  $real_file = WP_PLUGIN_DIR . '/' . $file;
  44  $scrollto = isset($_REQUEST['scrollto']) ? (int) $_REQUEST['scrollto'] : 0;
  45  
  46  switch ( $action ) {
  47  
  48  case 'update':
  49  
  50      check_admin_referer('edit-plugin_' . $file);
  51  
  52      $newcontent = stripslashes($_POST['newcontent']);
  53      if ( is_writeable($real_file) ) {
  54          $f = fopen($real_file, 'w+');
  55          fwrite($f, $newcontent);
  56          fclose($f);
  57  
  58          $network_wide = is_plugin_active_for_network( $file );
  59  
  60          // Deactivate so we can test it.
  61          if ( is_plugin_active($file) || isset($_POST['phperror']) ) {
  62              if ( is_plugin_active($file) )
  63                  deactivate_plugins($file, true);
  64  
  65              update_option('recently_activated', array($file => time()) + (array)get_option('recently_activated'));
  66  
  67              wp_redirect(add_query_arg('_wpnonce', wp_create_nonce('edit-plugin-test_' . $file), "plugin-editor.php?file=$file&liveupdate=1&scrollto=$scrollto&networkwide=" . $network_wide));
  68              exit;
  69          }
  70          wp_redirect("plugin-editor.php?file=$file&a=te&scrollto=$scrollto");
  71      } else {
  72          wp_redirect("plugin-editor.php?file=$file&scrollto=$scrollto");
  73      }
  74      exit;
  75  
  76  break;
  77  
  78  default:
  79  
  80      if ( isset($_GET['liveupdate']) ) {
  81          check_admin_referer('edit-plugin-test_' . $file);
  82  
  83          $error = validate_plugin($file);
  84          if ( is_wp_error($error) )
  85              wp_die( $error );
  86  
  87          if ( ! is_plugin_active($file) )
  88              activate_plugin($file, "plugin-editor.php?file=$file&phperror=1", ! empty( $_GET['networkwide'] ) ); // we'll override this later if the plugin can be included without fatal error
  89  
  90          wp_redirect("plugin-editor.php?file=$file&a=te&scrollto=$scrollto");
  91          exit;
  92      }
  93  
  94      // List of allowable extensions
  95      $editable_extensions = array('php', 'txt', 'text', 'js', 'css', 'html', 'htm', 'xml', 'inc', 'include');
  96      $editable_extensions = (array) apply_filters('editable_extensions', $editable_extensions);
  97  
  98      if ( ! is_file($real_file) ) {
  99          wp_die(sprintf('<p>%s</p>', __('No such file exists! Double check the name and try again.')));
 100      } else {
 101          // Get the extension of the file
 102          if ( preg_match('/\.([^.]+)$/', $real_file, $matches) ) {
 103              $ext = strtolower($matches[1]);
 104              // If extension is not in the acceptable list, skip it
 105              if ( !in_array( $ext, $editable_extensions) )
 106                  wp_die(sprintf('<p>%s</p>', __('Files of this type are not editable.')));
 107          }
 108      }
 109  
 110      add_contextual_help($current_screen,
 111          '<p>' . __('You can use the editor to make changes to any of your plugins&#8217; individual PHP files. Be aware that if you make changes, plugins updates will overwrite your customizations.') . '</p>' .
 112          '<p>' . __('Choose a plugin to edit from the menu in the upper right and click the Select button. Click once on any file name to load it in the editor, and make your changes. Don&#8217;t forget to save your changes (Update File) when you&#8217;re finished.') . '</p>' .
 113          '<p>' . __('The Documentation menu below the editor lists the PHP functions recognized in the plugin file. Clicking Lookup takes you to a web page about that particular function.') . '</p>' .
 114          '<p>' . __('If you want to make changes but don&#8217;t want them to be overwritten when the plugin is updated, you may be ready to think about writing your own plugin. For information on how to edit a plugin or start from scratch, check out the links below.') . '</p>' .
 115          '<p><strong>' . __('For more information:') . '</strong></p>' .
 116          '<p>' . __('<a href="http://codex.wordpress.org/Plugins_Editor_SubPanel" target="_blank">Documentation on Editing Plugins</a>') . '</p>' .
 117          '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
 118      );
 119  
 120      require_once ('./admin-header.php');
 121  
 122      update_recently_edited(WP_PLUGIN_DIR . '/' . $file);
 123  
 124      $content = file_get_contents( $real_file );
 125  
 126      if ( '.php' == substr( $real_file, strrpos( $real_file, '.' ) ) ) {
 127          $functions = wp_doc_link_parse( $content );
 128  
 129          if ( !empty($functions) ) {
 130              $docs_select = '<select name="docs-list" id="docs-list">';
 131              $docs_select .= '<option value="">' . __( 'Function Name&hellip;' ) . '</option>';
 132              foreach ( $functions as $function) {
 133                  $docs_select .= '<option value="' . esc_attr( $function ) . '">' . esc_html( $function ) . '()</option>';
 134              }
 135              $docs_select .= '</select>';
 136          }
 137      }
 138  
 139      $content = htmlspecialchars( $content );
 140      ?>
 141  <?php if (isset($_GET['a'])) : ?>
 142   <div id="message" class="updated"><p><?php _e('File edited successfully.') ?></p></div>
 143  <?php elseif (isset($_GET['phperror'])) : ?>
 144   <div id="message" class="updated"><p><?php _e('This plugin has been deactivated because your changes resulted in a <strong>fatal error</strong>.') ?></p>
 145      <?php
 146          if ( wp_verify_nonce($_GET['_error_nonce'], 'plugin-activation-error_' . $file) ) { ?>
 147      <iframe style="border:0" width="100%" height="70px" src="<?php bloginfo('wpurl'); ?>/wp-admin/plugins.php?action=error_scrape&amp;plugin=<?php echo esc_attr($file); ?>&amp;_wpnonce=<?php echo esc_attr($_GET['_error_nonce']); ?>"></iframe>
 148      <?php } ?>
 149  </div>
 150  <?php endif; ?>
 151  <div class="wrap">
 152  <?php screen_icon(); ?>
 153  <h2><?php echo esc_html( $title ); ?></h2>
 154  
 155  <div class="fileedit-sub">
 156  <div class="alignleft">
 157  <big><?php
 158      if ( is_plugin_active($plugin) ) {
 159          if ( is_writeable($real_file) )
 160              echo sprintf(__('Editing <strong>%s</strong> (active)'), $file);
 161          else
 162              echo sprintf(__('Browsing <strong>%s</strong> (active)'), $file);
 163      } else {
 164          if ( is_writeable($real_file) )
 165              echo sprintf(__('Editing <strong>%s</strong> (inactive)'), $file);
 166          else
 167              echo sprintf(__('Browsing <strong>%s</strong> (inactive)'), $file);
 168      }
 169      ?></big>
 170  </div>
 171  <div class="alignright">
 172      <form action="plugin-editor.php" method="post">
 173          <strong><label for="plugin"><?php _e('Select plugin to edit:'); ?> </label></strong>
 174          <select name="plugin" id="plugin">
 175  <?php
 176      foreach ( $plugins as $plugin_key => $a_plugin ) {
 177          $plugin_name = $a_plugin['Name'];
 178          if ( $plugin_key == $plugin )
 179              $selected = " selected='selected'";
 180          else
 181              $selected = '';
 182          $plugin_name = esc_attr($plugin_name);
 183          $plugin_key = esc_attr($plugin_key);
 184          echo "\n\t<option value=\"$plugin_key\" $selected>$plugin_name</option>";
 185      }
 186  ?>
 187          </select>
 188          <input type="submit" name="Submit" value="<?php esc_attr_e('Select') ?>" class="button" />
 189      </form>
 190  </div>
 191  <br class="clear" />
 192  </div>
 193  
 194  <div id="templateside">
 195      <h3><?php _e('Plugin Files'); ?></h3>
 196  
 197      <ul>
 198  <?php
 199  foreach ( $plugin_files as $plugin_file ) :
 200      // Get the extension of the file
 201      if ( preg_match('/\.([^.]+)$/', $plugin_file, $matches) ) {
 202          $ext = strtolower($matches[1]);
 203          // If extension is not in the acceptable list, skip it
 204          if ( !in_array( $ext, $editable_extensions ) )
 205              continue;
 206      } else {
 207          // No extension found
 208          continue;
 209      }
 210  ?>
 211          <li<?php echo $file == $plugin_file ? ' class="highlight"' : ''; ?>><a href="plugin-editor.php?file=<?php echo $plugin_file; ?>&amp;plugin=<?php echo $plugin; ?>"><?php echo $plugin_file ?></a></li>
 212  <?php endforeach; ?>
 213      </ul>
 214  </div>
 215  <form name="template" id="template" action="plugin-editor.php" method="post">
 216      <?php wp_nonce_field('edit-plugin_' . $file) ?>
 217          <div><textarea cols="70" rows="25" name="newcontent" id="newcontent" tabindex="1"><?php echo $content ?></textarea>
 218          <input type="hidden" name="action" value="update" />
 219          <input type="hidden" name="file" value="<?php echo esc_attr($file) ?>" />
 220          <input type="hidden" name="plugin" value="<?php echo esc_attr($plugin) ?>" />
 221          <input type="hidden" name="scrollto" id="scrollto" value="<?php echo $scrollto; ?>" />
 222          </div>
 223          <?php if ( !empty( $docs_select ) ) : ?>
 224          <div id="documentation" class="hide-if-no-js"><label for="docs-list"><?php _e('Documentation:') ?></label> <?php echo $docs_select ?> <input type="button" class="button" value="<?php esc_attr_e( 'Lookup' ) ?> " onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'http://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&amp;locale=<?php echo urlencode( get_locale() ) ?>&amp;version=<?php echo urlencode( $wp_version ) ?>&amp;redirect=true'); }" /></div>
 225          <?php endif; ?>
 226  <?php if ( is_writeable($real_file) ) : ?>
 227      <?php if ( in_array( $file, (array) get_option( 'active_plugins', array() ) ) ) { ?>
 228          <p><?php _e('<strong>Warning:</strong> Making changes to active plugins is not recommended.  If your changes cause a fatal error, the plugin will be automatically deactivated.'); ?></p>
 229      <?php } ?>
 230      <p class="submit">
 231      <?php
 232          if ( isset($_GET['phperror']) )
 233              echo "<input type='hidden' name='phperror' value='1' /><input type='submit' name='submit' class='button-primary' value='" . esc_attr__('Update File and Attempt to Reactivate') . "' tabindex='2' />";
 234          else
 235              echo "<input type='submit' name='submit' class='button-primary' value='" . esc_attr__('Update File') . "' tabindex='2' />";
 236      ?>
 237      </p>
 238  <?php else : ?>
 239      <p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="http://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
 240  <?php endif; ?>
 241  </form>
 242  <br class="clear" />
 243  </div>
 244  <script type="text/javascript">
 245  /* <![CDATA[ */
 246  jQuery(document).ready(function($){
 247      $('#template').submit(function(){ $('#scrollto').val( $('#newcontent').scrollTop() ); });
 248      $('#newcontent').scrollTop( $('#scrollto').val() );
 249  });
 250  /* ]]> */
 251  </script>
 252  <?php
 253      break;
 254  }
 255  include ("./admin-footer.php");


Generated: Thu Oct 14 05:12:05 2010 Cross-referenced by PHPXref 0.7