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/wp-admin/includes/ -> plugin-install.php (source)

   1  <?php
   2  /**
   3   * WordPress Plugin Install Administration API
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Retrieve plugin installer pages from WordPress Plugins API.
  11   *
  12   * It is possible for a plugin to override the Plugin API result with three
  13   * filters. Assume this is for plugins, which can extend on the Plugin Info to
  14   * offer more choices. This is very powerful and must be used with care, when
  15   * overridding the filters.
  16   *
  17   * The first filter, 'plugins_api_args', is for the args and gives the action as
  18   * the second parameter. The hook for 'plugins_api_args' must ensure that an
  19   * object is returned.
  20   *
  21   * The second filter, 'plugins_api', is the result that would be returned.
  22   *
  23   * @since 2.7.0
  24   *
  25   * @param string $action
  26   * @param array|object $args Optional. Arguments to serialize for the Plugin Info API.
  27   * @return mixed
  28   */
  29  function plugins_api($action, $args = null) {
  30  
  31      if( is_array($args) )
  32          $args = (object)$args;
  33  
  34      if ( !isset($args->per_page) )
  35          $args->per_page = 24;
  36  
  37      $args = apply_filters('plugins_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter.
  38      $res = apply_filters('plugins_api', false, $action, $args); //NOTE: Allows a plugin to completely override the builtin WordPress.org API.
  39  
  40      if ( ! $res ) {
  41          $request = wp_remote_post('http://api.wordpress.org/plugins/info/1.0/', array( 'body' => array('action' => $action, 'request' => serialize($args))) );
  42          if ( is_wp_error($request) ) {
  43              $res = new WP_Error('plugins_api_failed', __('An Unexpected HTTP Error occured during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $request->get_error_message() );
  44          } else {
  45              $res = unserialize($request['body']);
  46              if ( ! $res )
  47                  $res = new WP_Error('plugins_api_failed', __('An unknown error occured'), $request['body']);
  48          }
  49      }
  50  
  51      return apply_filters('plugins_api_result', $res, $action, $args);
  52  }
  53  
  54  /**
  55   * Retrieve popular WordPress plugin tags.
  56   *
  57   * @since 2.7.0
  58   *
  59   * @param array $args
  60   * @return array
  61   */
  62  function install_popular_tags( $args = array() ) {
  63      if ( ! ($cache = wp_cache_get('popular_tags', 'api')) && ! ($cache = get_option('wporg_popular_tags')) )
  64          add_option('wporg_popular_tags', array(), '', 'no'); ///No autoload.
  65  
  66      if ( $cache && $cache->timeout + 3 * 60 * 60 > time() )
  67          return $cache->cached;
  68  
  69      $tags = plugins_api('hot_tags', $args);
  70  
  71      if ( is_wp_error($tags) )
  72          return $tags;
  73  
  74      $cache = (object) array('timeout' => time(), 'cached' => $tags);
  75  
  76      update_option('wporg_popular_tags', $cache);
  77      wp_cache_set('popular_tags', $cache, 'api');
  78  
  79      return $tags;
  80  }
  81  add_action('install_plugins_search', 'install_search', 10, 1);
  82  
  83  /**
  84   * Display search results and display as tag cloud.
  85   *
  86   * @since 2.7.0
  87   *
  88   * @param string $page
  89   */
  90  function install_search($page) {
  91      $type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
  92      $term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
  93  
  94      $args = array();
  95  
  96      switch( $type ){
  97          case 'tag':
  98              $args['tag'] = sanitize_title_with_dashes($term);
  99              break;
 100          case 'term':
 101              $args['search'] = $term;
 102              break;
 103          case 'author':
 104              $args['author'] = $term;
 105              break;
 106      }
 107  
 108      $args['page'] = $page;
 109  
 110      $api = plugins_api('query_plugins', $args);
 111  
 112      if ( is_wp_error($api) )
 113          wp_die($api);
 114  
 115      add_action('install_plugins_table_header', 'install_search_form');
 116  
 117      display_plugins_table($api->plugins, $api->info['page'], $api->info['pages']);
 118  
 119      return;
 120  }
 121  
 122  add_action('install_plugins_dashboard', 'install_dashboard');
 123  function install_dashboard() {
 124      ?>
 125      <p><?php _e('Plugins extend and expand the functionality of WordPress. You may automatically install plugins from the <a href="http://wordpress.org/extend/plugins/">WordPress Plugin Directory</a> or upload a plugin in .zip format via this page.') ?></p>
 126  
 127      <h4><?php _e('Search') ?></h4>
 128      <?php install_search_form('<a href="' . add_query_arg('show-help', !isset($_REQUEST['show-help'])) .'" onclick="jQuery(\'#search-help\').toggle(); return false;">' . __('[need help?]') . '</a>') ?>
 129      <div id="search-help" style="display: <?php echo isset($_REQUEST['show-help']) ? 'block' : 'none'; ?>;">
 130      <p>    <?php _e('You may search based on 3 criteria:') ?><br />
 131          <?php _e('<strong>Term:</strong> Searches plugins names and descriptions for the specified term') ?><br />
 132          <?php _e('<strong>Tag:</strong> Searches for plugins tagged as such') ?><br />
 133          <?php _e('<strong>Author:</strong> Searches for plugins created by the Author, or which the Author contributed to.') ?></p>
 134      </div>
 135  
 136      <h4><?php _e('Install a plugin in .zip format') ?></h4>
 137      <p><?php _e('If you have a plugin in a .zip format, You may install it by uploading it here.') ?></p>
 138      <form method="post" enctype="multipart/form-data" action="<?php echo admin_url('plugin-install.php?tab=upload') ?>">
 139          <?php wp_nonce_field( 'plugin-upload') ?>
 140          <input type="file" name="pluginzip" />
 141          <input type="submit" class="button" value="<?php _e('Install Now') ?>" />
 142      </form>
 143  
 144      <h4><?php _e('Popular tags') ?></h4>
 145      <p><?php _e('You may also browse based on the most popular tags in the Plugin Directory:') ?></p>
 146      <?php
 147  
 148      $api_tags = install_popular_tags();
 149  
 150      //Set up the tags in a way which can be interprated by wp_generate_tag_cloud()
 151      $tags = array();
 152      foreach ( (array)$api_tags as $tag )
 153          $tags[ $tag['name'] ] = (object) array(
 154                                  'link' => clean_url( admin_url('plugin-install.php?tab=search&type=tag&s=' . urlencode($tag['name'])) ),
 155                                  'name' => $tag['name'],
 156                                  'id' => sanitize_title_with_dashes($tag['name']),
 157                                  'count' => $tag['count'] );
 158      echo wp_generate_tag_cloud($tags, array( 'single_text' => __('%d plugin'), 'multiple_text' => __('%d plugins') ) );
 159  }
 160  
 161  /**
 162   * Display search form for searching plugins.
 163   *
 164   * @since 2.7.0
 165   */
 166  function install_search_form(){
 167      $type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
 168      $term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
 169  
 170      ?><form id="search-plugins" method="post" action="<?php echo admin_url('plugin-install.php?tab=search') ?>">
 171          <select name="type" id="typeselector">
 172              <option value="term"<?php selected('term', $type) ?>><?php _e('Term') ?></option>
 173              <option value="author"<?php selected('author', $type) ?>><?php _e('Author') ?></option>
 174              <option value="tag"<?php selected('tag', $type) ?>><?php _e('Tag') ?></option>
 175          </select>
 176          <input type="text" name="s" id="search-field" value="<?php echo attribute_escape($term) ?>" />
 177          <input type="submit" name="search" value="<?php echo attribute_escape(__('Search')) ?>" class="button" />
 178      </form><?php
 179  }
 180  
 181  add_action('install_plugins_featured', 'install_featured', 10, 1);
 182  /**
 183   * Display featured plugins.
 184   *
 185   * @since 2.7.0
 186   *
 187   * @param string $page
 188   */
 189  function install_featured($page = 1) {
 190      $args = array('browse' => 'featured', 'page' => $page);
 191      $api = plugins_api('query_plugins', $args);
 192      if ( is_wp_error($api) )
 193          wp_die($api);
 194      display_plugins_table($api->plugins, $api->info['page'], $api->info['pages']);
 195  }
 196  
 197  add_action('install_plugins_popular', 'install_popular', 10, 1);
 198  /**
 199   * Display popular plugins.
 200   *
 201   * @since 2.7.0
 202   *
 203   * @param string $page
 204   */
 205  function install_popular($page = 1) {
 206      $args = array('browse' => 'popular', 'page' => $page);
 207      $api = plugins_api('query_plugins', $args);
 208      display_plugins_table($api->plugins, $api->info['page'], $api->info['pages']);
 209  }
 210  
 211  add_action('install_plugins_new', 'install_new', 10, 1);
 212  /**
 213   * Display new plugins.
 214   *
 215   * @since 2.7.0
 216   *
 217   * @param string $page
 218   */
 219  function install_new($page = 1) {
 220      $args = array('browse' => 'new', 'page' => $page);
 221      $api = plugins_api('query_plugins', $args);
 222      if ( is_wp_error($api) )
 223          wp_die($api);
 224      display_plugins_table($api->plugins, $api->info['page'], $api->info['pages']);
 225  }
 226  add_action('install_plugins_updated', 'install_updated', 10, 1);
 227  
 228  
 229  /**
 230   * Display recently updated plugins.
 231   *
 232   * @since 2.7.0
 233   *
 234   * @param string $page
 235   */
 236  function install_updated($page = 1) {
 237      $args = array('browse' => 'updated', 'page' => $page);
 238      $api = plugins_api('query_plugins', $args);
 239      display_plugins_table($api->plugins, $api->info['page'], $api->info['pages']);
 240  }
 241  
 242  /**
 243   * Display plugin content based on plugin list.
 244   *
 245   * @since 2.7.0
 246   *
 247   * @param array $plugins List of plugins.
 248   * @param string $page
 249   * @param int $totalpages Number of pages.
 250   */
 251  function display_plugins_table($plugins, $page = 1, $totalpages = 1){
 252      $type = isset($_REQUEST['type']) ? stripslashes( $_REQUEST['type'] ) : '';
 253      $term = isset($_REQUEST['s']) ? stripslashes( $_REQUEST['s'] ) : '';
 254  
 255      $plugins_allowedtags = array('a' => array('href' => array(),'title' => array(), 'target' => array()),
 256                                  'abbr' => array('title' => array()),'acronym' => array('title' => array()),
 257                                  'code' => array(), 'pre' => array(), 'em' => array(),'strong' => array());
 258  
 259  ?>
 260      <div class="tablenav">
 261          <div class="alignleft actions">
 262          <?php do_action('install_plugins_table_header'); ?>
 263          </div>
 264          <?php
 265              $url = clean_url($_SERVER['REQUEST_URI']);
 266              if ( ! empty($term) )
 267                  $url = add_query_arg('s', $term, $url);
 268              if ( ! empty($type) )
 269                  $url = add_query_arg('type', $type, $url);
 270  
 271              $page_links = paginate_links( array(
 272                  'base' => add_query_arg('paged', '%#%', $url),
 273                  'format' => '',
 274                  'prev_text' => __('&laquo;'),
 275                  'next_text' => __('&raquo;'),
 276                  'total' => $totalpages,
 277                  'current' => $page
 278              ));
 279  
 280              if ( $page_links )
 281                  echo "\t\t<div class='tablenav-pages'>$page_links</div>";
 282  ?>
 283          <br class="clear" />
 284      </div>
 285      <table class="widefat" id="install-plugins" cellspacing="0">
 286          <thead>
 287              <tr>
 288                  <th scope="col" class="name"><?php _e('Name'); ?></th>
 289                  <th scope="col" class="num"><?php _e('Version'); ?></th>
 290                  <th scope="col" class="num"><?php _e('Rating'); ?></th>
 291                  <th scope="col" class="desc"><?php _e('Description'); ?></th>
 292                  <th scope="col" class="action-links"><?php _e('Actions'); ?></th>
 293              </tr>
 294          </thead>
 295  
 296          <tfoot>
 297              <tr>
 298                  <th scope="col" class="name"><?php _e('Name'); ?></th>
 299                  <th scope="col" class="num"><?php _e('Version'); ?></th>
 300                  <th scope="col" class="num"><?php _e('Rating'); ?></th>
 301                  <th scope="col" class="desc"><?php _e('Description'); ?></th>
 302                  <th scope="col" class="action-links"><?php _e('Actions'); ?></th>
 303              </tr>
 304          </tfoot>
 305  
 306          <tbody class="plugins">
 307          <?php
 308              if( empty($plugins) )
 309                  echo '<tr><td colspan="5">', __('No plugins match your request.'), '</td></tr>';
 310  
 311              foreach( (array) $plugins as $plugin ){
 312                  if ( is_object($plugin) )
 313                      $plugin = (array) $plugin;
 314  
 315                  $title = wp_kses($plugin['name'], $plugins_allowedtags);
 316                  $description = wp_kses($plugin['description'], $plugins_allowedtags);
 317                  $version = wp_kses($plugin['version'], $plugins_allowedtags);
 318  
 319                  $name = strip_tags($title . ' ' . $version);
 320  
 321                  $author = $plugin['author'];
 322                  if( ! empty($plugin['author']) )
 323                      $author = ' <cite>' . sprintf( __('By %s'), $author ) . '.</cite>';
 324  
 325                  $author = wp_kses($author, $plugins_allowedtags);
 326  
 327                  if( isset($plugin['homepage']) )
 328                      $title = '<a target="_blank" href="' . attribute_escape($plugin['homepage']) . '">' . $title . '</a>';
 329  
 330                  $action_links = array();
 331                  $action_links[] = '<a href="' . admin_url('plugin-install.php?tab=plugin-information&amp;plugin=' . $plugin['slug'] .
 332                                      '&amp;TB_iframe=true&amp;width=600&amp;height=800') . '" class="thickbox onclick" title="' .
 333                                      attribute_escape($name) . '">' . __('Install') . '</a>';
 334  
 335                  $action_links = apply_filters('plugin_install_action_links', $action_links, $plugin);
 336              ?>
 337              <tr>
 338                  <td class="name"><?php echo $title; ?></td>
 339                  <td class="vers"><?php echo $version; ?></td>
 340                  <td class="vers">
 341                      <div class="star-holder" title="<?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $plugin['num_ratings']), number_format_i18n($plugin['num_ratings'])) ?>">
 342                          <div class="star star-rating" style="width: <?php echo attribute_escape($plugin['rating']) ?>px"></div>
 343                          <div class="star star5"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('5 stars') ?>" /></div>
 344                          <div class="star star4"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('4 stars') ?>" /></div>
 345                          <div class="star star3"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('3 stars') ?>" /></div>
 346                          <div class="star star2"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('2 stars') ?>" /></div>
 347                          <div class="star star1"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('1 star') ?>" /></div>
 348                      </div>
 349                  </td>
 350                  <td class="desc"><p><?php echo $description, $author; ?></p></td>
 351                  <td class="action-links"><?php if ( !empty($action_links) )    echo implode(' | ', $action_links); ?></td>
 352              </tr>
 353              <?php
 354              }
 355              ?>
 356          </tbody>
 357      </table>
 358  
 359      <div class="tablenav">
 360          <?php if ( $page_links )
 361                  echo "\t\t<div class='tablenav-pages'>$page_links</div>"; ?>
 362          <br class="clear" />
 363      </div>
 364  
 365  <?php
 366  }
 367  
 368  add_action('install_plugins_pre_plugin-information', 'install_plugin_information');
 369  
 370  /**
 371   * Display plugin information in dialog box form.
 372   *
 373   * @since 2.7.0
 374   */
 375  function install_plugin_information() {
 376      global $tab;
 377  
 378      $api = plugins_api('plugin_information', array('slug' => stripslashes( $_REQUEST['plugin'] ) ));
 379  
 380      if ( is_wp_error($api) )
 381          wp_die($api);
 382  
 383      $plugins_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),
 384                                  'abbr' => array('title' => array()), 'acronym' => array('title' => array()),
 385                                  'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
 386                                  'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
 387                                  'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
 388                                  'img' => array('src' => array(), 'class' => array(), 'alt' => array()));
 389      //Sanitize HTML
 390      foreach ( (array)$api->sections as $section_name => $content )
 391          $api->sections[$section_name] = wp_kses($content, $plugins_allowedtags);
 392      foreach ( array('version', 'author', 'requires', 'tested', 'homepage', 'downloaded', 'slug') as $key )
 393          $api->$key = wp_kses($api->$key, $plugins_allowedtags);
 394  
 395      $section = isset($_REQUEST['section']) ? stripslashes( $_REQUEST['section'] ) : 'description'; //Default to the Description tab, Do not translate, API returns English.
 396      if( empty($section) || ! isset($api->sections[ $section ]) )
 397          $section = array_shift( $section_titles = array_keys((array)$api->sections) );
 398  
 399      iframe_header( __('Plugin Install') );
 400      echo "<div id='$tab-header'>\n";
 401      echo "<ul id='sidemenu'>\n";
 402      foreach ( (array)$api->sections as $section_name => $content ) {
 403  
 404          $title = $section_name;
 405          $title = ucwords(str_replace('_', ' ', $title));
 406  
 407          $class = ( $section_name == $section ) ? ' class="current"' : '';
 408          $href = add_query_arg( array('tab' => $tab, 'section' => $section_name) );
 409          $href = clean_url($href);
 410          $san_title = attribute_escape(sanitize_title_with_dashes($title));
 411          echo "\t<li><a name='$san_title' target='' href='$href'$class>$title</a></li>\n";
 412      }
 413      echo "</ul>\n";
 414      echo "</div>\n";
 415      ?>
 416      <div class="alignright fyi">
 417          <?php if ( ! empty($api->download_link) ) : ?>
 418          <p class="action-button">
 419          <?php
 420              //Default to a "new" plugin
 421              $type = 'install';
 422              //Check to see if this plugin is known to be installed, and has an update awaiting it.
 423              $update_plugins = get_option('update_plugins');
 424              foreach ( (array)$update_plugins->response as $file => $plugin ) {
 425                  if ( $plugin->slug === $api->slug ) {
 426                      $type = 'update_available';
 427                      $update_file = $file;
 428                      break;
 429                  }
 430              }
 431              if ( 'install' == $type && is_dir( WP_PLUGIN_DIR  . '/' . $api->slug ) ) {
 432                  $installed_plugin = get_plugins('/' . $api->slug);
 433                  if ( ! empty($installed_plugin) ) {
 434                      $key = array_shift( $key = array_keys($installed_plugin) ); //Use the first plugin regardless of the name, Could have issues for multiple-plugins in one directory if they share different version numbers
 435                      if ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '>') ){
 436                          $type = 'latest_installed';
 437                      } elseif ( version_compare($api->version, $installed_plugin[ $key ]['Version'], '<') ) {
 438                          $type = 'newer_installed';
 439                          $newer_version = $installed_plugin[ $key ]['Version'];
 440                      } else {
 441                          //If the above update check failed, Then that probably means that the update checker has out-of-date information, force a refresh
 442                          delete_option('update_plugins');
 443                          $update_file = $api->slug . '/' . $key; //This code branch only deals with a plugin which is in a folder the same name as its slug, Doesnt support plugins which have 'non-standard' names
 444                          $type = 'update_available';
 445                      }
 446                  }
 447              }
 448  
 449              switch ( $type ) :
 450                  default:
 451                  case 'install':
 452                      if ( current_user_can('install_plugins') ) :
 453                  ?><a href="<?php echo wp_nonce_url(admin_url('plugin-install.php?tab=install&plugin=' . $api->slug), 'install-plugin_' . $api->slug) ?>" target="_parent"><?php _e('Install Now') ?></a><?php
 454                      endif;
 455                  break;
 456                  case 'update_available':
 457                      if ( current_user_can('update_plugins') ) :
 458                          ?><a href="<?php echo wp_nonce_url(admin_url('update.php?action=upgrade-plugin&plugin=' . $update_file), 'upgrade-plugin_' . $update_file) ?>" target="_parent"><?php _e('Install Update Now') ?></a><?php
 459                      endif;
 460                  break;
 461                  case 'newer_installed':
 462                      if ( current_user_can('install_plugins') || current_user_can('update_plugins') ) :
 463                      ?><a><?php printf(__('Newer Version (%s) Installed'), $newer_version) ?></a><?php
 464                      endif;
 465                  break;
 466                  case 'latest_installed':
 467                      if ( current_user_can('install_plugins') || current_user_can('update_plugins') ) :
 468                      ?><a><?php _e('Latest Version Installed') ?></a><?php
 469                      endif;
 470                  break;
 471              endswitch; ?>
 472          </p>
 473          <?php endif; ?>
 474          <h2 class="mainheader"><?php _e('FYI') ?></h2>
 475          <ul>
 476  <?php if ( ! empty($api->version) ) : ?>
 477              <li><strong><?php _e('Version:') ?></strong> <?php echo $api->version ?></li>
 478  <?php endif; if ( ! empty($api->author) ) : ?>
 479              <li><strong><?php _e('Author:') ?></strong> <?php echo links_add_target($api->author, '_blank') ?></li>
 480  <?php endif; if ( ! empty($api->last_updated) ) : ?>
 481              <li><strong><?php _e('Last Updated:') ?></strong> <span title="<?php echo $api->last_updated ?>"><?php
 482                              printf( __('%s ago'), human_time_diff(strtotime($api->last_updated)) ) ?></span></li>
 483  <?php endif; if ( ! empty($api->requires) ) : ?>
 484              <li><strong><?php _e('Requires WordPress Version:') ?></strong> <?php printf(__('%s or higher'), $api->requires) ?></li>
 485  <?php endif; if ( ! empty($api->tested) ) : ?>
 486              <li><strong><?php _e('Compatible up to:') ?></strong> <?php echo $api->tested ?></li>
 487  <?php endif; if ( ! empty($api->downloaded) ) : ?>
 488              <li><strong><?php _e('Downloaded:') ?></strong> <?php printf(__ngettext('%s time', '%s times', $api->downloaded), number_format_i18n($api->downloaded)) ?></li>
 489  <?php endif; if ( ! empty($api->slug) ) : ?>
 490              <li><a target="_blank" href="http://wordpress.org/extend/plugins/<?php echo $api->slug ?>/"><?php _e('WordPress.org Plugin Page &#187;') ?></a></li>
 491  <?php endif; if ( ! empty($api->homepage) ) : ?>
 492              <li><a target="_blank" href="<?php echo $api->homepage ?>"><?php _e('Plugin Homepage  &#187;') ?></a></li>
 493  <?php endif; ?>
 494          </ul>
 495          <h2><?php _e('Average Rating') ?></h2>
 496          <div class="star-holder" title="<?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?>">
 497              <div class="star star-rating" style="width: <?php echo attribute_escape($api->rating) ?>px"></div>
 498              <div class="star star5"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('5 stars') ?>" /></div>
 499              <div class="star star4"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('4 stars') ?>" /></div>
 500              <div class="star star3"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('3 stars') ?>" /></div>
 501              <div class="star star2"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('2 stars') ?>" /></div>
 502              <div class="star star1"><img src="<?php echo admin_url('images/star.gif'); ?>" alt="<?php _e('1 star') ?>" /></div>
 503          </div>
 504          <small><?php printf(__ngettext('(based on %s rating)', '(based on %s ratings)', $api->num_ratings), number_format_i18n($api->num_ratings)); ?></small>
 505      </div>
 506      <div id="section-holder" class="wrap">
 507      <?php
 508          if ( version_compare($GLOBALS['wp_version'], $api->tested, '>') )
 509              echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This plugin has <strong>not been tested</strong> with your current version of WordPress.') . '</p></div>';
 510          else if ( version_compare($GLOBALS['wp_version'], $api->requires, '<') )
 511              echo '<div class="updated"><p>' . __('<strong>Warning:</strong> This plugin has not been marked as <strong>compatible</strong> with your version of WordPress.') . '</p></div>';
 512          foreach ( (array)$api->sections as $section_name => $content ) {
 513              $title = $section_name;
 514              $title[0] = strtoupper($title[0]);
 515              $title = str_replace('_', ' ', $title);
 516  
 517              $content = links_add_base_url($content, 'http://wordpress.org/extend/plugins/' . $api->slug . '/');
 518              $content = links_add_target($content, '_blank');
 519  
 520              $san_title = attribute_escape(sanitize_title_with_dashes($title));
 521  
 522              $display = ( $section_name == $section ) ? 'block' : 'none';
 523  
 524              echo "\t<div id='section-{$san_title}' class='section' style='display: {$display};'>\n";
 525              echo "\t\t<h2 class='long-header'>$title</h2>";
 526              echo $content;
 527              echo "\t</div>\n";
 528          }
 529      echo "</div>\n";
 530  
 531      iframe_footer();
 532      exit;
 533  }
 534  
 535  
 536  add_action('install_plugins_upload', 'upload_plugin');
 537  function upload_plugin() {
 538  
 539      if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
 540          wp_die($uploads['error']);
 541  
 542      if ( !empty($_FILES) )
 543          $filename = $_FILES['pluginzip']['name'];
 544      else if ( isset($_GET['package']) )
 545          $filename = $_GET['package'];
 546  
 547      check_admin_referer('plugin-upload');
 548  
 549      echo '<div class="wrap">';
 550      echo '<h2>', sprintf( __('Installing Plugin from file: %s'), basename($filename) ), '</h2>';
 551  
 552      //Handle a newly uploaded file, Else assume it was
 553      if ( !empty($_FILES) ) {
 554          $filename = wp_unique_filename( $uploads['basedir'], $filename );
 555          $local_file = $uploads['basedir'] . '/' . $filename;
 556  
 557          // Move the file to the uploads dir
 558          if ( false === @ move_uploaded_file( $_FILES['pluginzip']['tmp_name'], $local_file) )
 559              wp_die( sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path']));
 560      } else {
 561          $local_file = $uploads['basedir'] . '/' . $filename;
 562      }
 563  
 564      do_plugin_install_local_package($local_file, $filename);
 565      echo '</div>';
 566  }
 567  
 568  add_action('install_plugins_install', 'install_plugin');
 569  
 570  /**
 571   * Display plugin link and execute install.
 572   *
 573   * @since 2.7.0
 574   */
 575  function install_plugin() {
 576  
 577      $plugin = isset($_REQUEST['plugin']) ? stripslashes( $_REQUEST['plugin'] ) : '';
 578  
 579      check_admin_referer('install-plugin_' . $plugin);
 580      $api = plugins_api('plugin_information', array('slug' => $plugin, 'fields' => array('sections' => false) ) ); //Save on a bit of bandwidth.
 581  
 582      if ( is_wp_error($api) )
 583          wp_die($api);
 584  
 585      echo '<div class="wrap">';
 586      echo '<h2>', sprintf( __('Installing Plugin: %s'), $api->name . ' ' . $api->version ), '</h2>';
 587  
 588      do_plugin_install($api->download_link, $api);
 589      echo '</div>';
 590  
 591  }
 592  
 593  /**
 594   * Retrieve plugin and install.
 595   *
 596   * @since 2.7.0
 597   *
 598   * @param string $download_url Download URL.
 599   * @param object $plugin_information Optional. Plugin information
 600   */
 601  function do_plugin_install($download_url, $plugin_information = null) {
 602      global $wp_filesystem;
 603  
 604      if ( empty($download_url) ) {
 605          show_message( __('No plugin Specified') );
 606          return;
 607      }
 608  
 609      $plugin = isset($_REQUEST['plugin']) ? stripslashes( $_REQUEST['plugin'] ) : '';
 610  
 611      $url = 'plugin-install.php?tab=install';
 612      $url = add_query_arg(array('plugin' => $plugin, 'plugin_name' => stripslashes( $_REQUEST['plugin_name'] ), 'download_url' => stripslashes( $_REQUEST['download_url'] ) ), $url);
 613  
 614      $url = wp_nonce_url($url, 'install-plugin_' . $plugin);
 615      if ( false === ($credentials = request_filesystem_credentials($url)) )
 616          return;
 617  
 618      if ( ! WP_Filesystem($credentials) ) {
 619          request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again
 620          return;
 621      }
 622  
 623      if ( $wp_filesystem->errors->get_error_code() ) {
 624          foreach ( $wp_filesystem->errors->get_error_messages() as $message )
 625              show_message($message);
 626          return;
 627      }
 628  
 629      $result = wp_install_plugin( $download_url, 'show_message' );
 630  
 631      if ( is_wp_error($result) ) {
 632          show_message($result);
 633          show_message( __('Installation Failed') );
 634      } else {
 635          show_message( sprintf(__('Successfully installed the plugin <strong>%s %s</strong>.'), $plugin_information->name, $plugin_information->version) );
 636          $plugin_file = $result;
 637  
 638          $install_actions = apply_filters('install_plugin_complete_actions', array(
 639              '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>',
 640              'plugins_page' => '<a href="' . admin_url('plugins.php') . '" title="' . attribute_escape(__('Goto plugins page')) . '" target="_parent">' . __('Return to Plugins page') . '</a>'
 641                              ), $plugin_information, $plugin_file);
 642          if ( ! empty($install_actions) )
 643              show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
 644      }
 645  }
 646  
 647  /**
 648   * Install a plugin from a local file.
 649   *
 650   * @since 2.7.0
 651   *
 652   * @param string $package Local Plugin zip
 653   * @param string $filename Optional. Original filename
 654   * @param object $plugin_information Optional. Plugin information
 655   */
 656  function do_plugin_install_local_package($package, $filename = '') {
 657      global $wp_filesystem;
 658  
 659      if ( empty($package) ) {
 660          show_message( __('No plugin Specified') );
 661          return;
 662      }
 663  
 664      if ( empty($filename) )
 665          $filename = basename($package);
 666  
 667      $url = 'plugin-install.php?tab=upload';
 668      $url = add_query_arg(array('package' => $filename), $url);
 669  
 670      $url = wp_nonce_url($url, 'plugin-upload');
 671      if ( false === ($credentials = request_filesystem_credentials($url)) )
 672          return;
 673  
 674      if ( ! WP_Filesystem($credentials) ) {
 675          request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again
 676          return;
 677      }
 678  
 679      if ( $wp_filesystem->errors->get_error_code() ) {
 680          foreach ( $wp_filesystem->errors->get_error_messages() as $message )
 681              show_message($message);
 682          return;
 683      }
 684  
 685      $result = wp_install_plugin_local_package( $package, 'show_message' );
 686  
 687      if ( is_wp_error($result) ) {
 688          show_message($result);
 689          show_message( __('Installation Failed') );
 690      } else {
 691          show_message( __('Successfully installed the plugin.') );
 692          $plugin_file = $result;
 693  
 694          $install_actions = apply_filters('install_plugin_complete_actions', array(
 695                              'activate_plugin' => '<a href="' . wp_nonce_url('plugins.php?action=activate&amp;plugin=' . $plugin_file, 'activate-plugin_' . $plugin_file) . '" title="' . __('Activate this plugin') . '" target="_parent">' . __('Activate Plugin') . '</a>',
 696                              'plugins_page' => '<a href="' . admin_url('plugins.php') . '" title="' . __('Goto plugins page') . '" target="_parent">' . __('Return to Plugins page') . '</a>'
 697                              ), array(), $plugin_file);
 698          if ( ! empty($install_actions) )
 699              show_message('<strong>' . __('Actions:') . '</strong> ' . implode(' | ', (array)$install_actions));
 700      }
 701  }
 702  
 703  /**
 704   * Install plugin.
 705   *
 706   * @since 2.7.0
 707   *
 708   * @param string $package
 709   * @param string $feedback Optional.
 710   * @return mixed.
 711   */
 712  function wp_install_plugin($package, $feedback = '') {
 713      global $wp_filesystem;
 714  
 715      if ( !empty($feedback) )
 716          add_filter('install_feedback', $feedback);
 717  
 718      // Is a filesystem accessor setup?
 719      if ( ! $wp_filesystem || ! is_object($wp_filesystem) )
 720          WP_Filesystem();
 721  
 722      if ( ! is_object($wp_filesystem) )
 723          return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
 724  
 725      if ( $wp_filesystem->errors->get_error_code() )
 726          return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors);
 727  
 728      //Get the base plugin folder
 729      $plugins_dir = $wp_filesystem->wp_plugins_dir();
 730      if ( empty($plugins_dir) )
 731          return new WP_Error('fs_no_plugins_dir', __('Unable to locate WordPress Plugin directory.'));
 732  
 733      //And the same for the Content directory.
 734      $content_dir = $wp_filesystem->wp_content_dir();
 735      if( empty($content_dir) )
 736          return new WP_Error('fs_no_content_dir', __('Unable to locate WordPress Content directory (wp-content).'));
 737  
 738      $plugins_dir = trailingslashit( $plugins_dir );
 739      $content_dir = trailingslashit( $content_dir );
 740  
 741      if ( empty($package) )
 742          return new WP_Error('no_package', __('Install package not available.'));
 743  
 744      // Download the package
 745      apply_filters('install_feedback', sprintf(__('Downloading plugin package from %s'), $package));
 746      $download_file = download_url($package);
 747  
 748      if ( is_wp_error($download_file) )
 749          return new WP_Error('download_failed', __('Download failed.'), $download_file->get_error_message());
 750  
 751      $working_dir = $content_dir . 'upgrade/' . basename($package, '.zip');
 752  
 753      // Clean up working directory
 754      if ( $wp_filesystem->is_dir($working_dir) )
 755          $wp_filesystem->delete($working_dir, true);
 756  
 757      apply_filters('install_feedback', __('Unpacking the plugin package'));
 758      // Unzip package to working directory
 759      $result = unzip_file($download_file, $working_dir);
 760  
 761      // Once extracted, delete the package
 762      @unlink($download_file);
 763  
 764      if ( is_wp_error($result) ) {
 765          $wp_filesystem->delete($working_dir, true);
 766          return $result;
 767      }
 768  
 769      //Get a list of the directories in the working directory before we delete it, We need to know the new folder for the plugin
 770      $filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
 771  
 772      if( $wp_filesystem->exists( $plugins_dir . $filelist[0] ) ) {
 773          $wp_filesystem->delete($working_dir, true);
 774          return new WP_Error('install_folder_exists', __('Folder already exists.'), $filelist[0] );
 775      }
 776  
 777      apply_filters('install_feedback', __('Installing the plugin'));
 778      // Copy new version of plugin into place.
 779      $result = copy_dir($working_dir, $plugins_dir);
 780      if ( is_wp_error($result) ) {
 781          $wp_filesystem->delete($working_dir, true);
 782          return $result;
 783      }
 784  
 785      //Get a list of the directories in the working directory before we delete it, We need to know the new folder for the plugin
 786      $filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
 787  
 788      // Remove working directory
 789      $wp_filesystem->delete($working_dir, true);
 790  
 791      if( empty($filelist) )
 792          return false; //We couldnt find any files in the working dir, therefor no plugin installed? Failsafe backup.
 793  
 794      $folder = $filelist[0];
 795      $plugin = get_plugins('/' . $folder); //Ensure to pass with leading slash
 796      $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list
 797  
 798      //Return the plugin files name.
 799      return  $folder . '/' . $pluginfiles[0];
 800  }
 801  
 802  /**
 803   * Install plugin from local package
 804   *
 805   * @since 2.7.0
 806   *
 807   * @param string $package
 808   * @param string $feedback Optional.
 809   * @return mixed.
 810   */
 811  function wp_install_plugin_local_package($package, $feedback = '') {
 812      global $wp_filesystem;
 813  
 814      if ( !empty($feedback) )
 815          add_filter('install_feedback', $feedback);
 816  
 817      // Is a filesystem accessor setup?
 818      if ( ! $wp_filesystem || ! is_object($wp_filesystem) )
 819          WP_Filesystem();
 820  
 821      if ( ! is_object($wp_filesystem) )
 822          return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
 823  
 824      if ( $wp_filesystem->errors->get_error_code() )
 825          return new WP_Error('fs_error', __('Filesystem error'), $wp_filesystem->errors);
 826  
 827      //Get the base plugin folder
 828      $plugins_dir = $wp_filesystem->wp_plugins_dir();
 829      if ( empty($plugins_dir) )
 830          return new WP_Error('fs_no_plugins_dir', __('Unable to locate WordPress Plugin directory.'));
 831  
 832      //And the same for the Content directory.
 833      $content_dir = $wp_filesystem->wp_content_dir();
 834      if( empty($content_dir) )
 835          return new WP_Error('fs_no_content_dir', __('Unable to locate WordPress Content directory (wp-content).'));
 836  
 837      $plugins_dir = trailingslashit( $plugins_dir );
 838      $content_dir = trailingslashit( $content_dir );
 839  
 840      if ( empty($package) )
 841          return new WP_Error('no_package', __('Install package not available.'));
 842  
 843      $working_dir = $content_dir . 'upgrade/' . basename($package, '.zip');
 844  
 845      // Clean up working directory
 846      if ( $wp_filesystem->is_dir($working_dir) )
 847          $wp_filesystem->delete($working_dir, true);
 848  
 849      apply_filters('install_feedback', __('Unpacking the plugin package'));
 850      // Unzip package to working directory
 851      $result = unzip_file($package, $working_dir);
 852  
 853      // Once extracted, delete the package
 854      unlink($package);
 855  
 856      if ( is_wp_error($result) ) {
 857          $wp_filesystem->delete($working_dir, true);
 858          return $result;
 859      }
 860  
 861      //Get a list of the directories in the working directory before we delete it, We need to know the new folder for the plugin
 862      $filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
 863  
 864      if( $wp_filesystem->exists( $plugins_dir . $filelist[0] ) ) {
 865          $wp_filesystem->delete($working_dir, true);
 866          return new WP_Error('install_folder_exists', __('Folder already exists.'), $filelist[0] );
 867      }
 868  
 869      apply_filters('install_feedback', __('Installing the plugin'));
 870      // Copy new version of plugin into place.
 871      $result = copy_dir($working_dir, $plugins_dir);
 872      if ( is_wp_error($result) ) {
 873          $wp_filesystem->delete($working_dir, true);
 874          return $result;
 875      }
 876  
 877      //Get a list of the directories in the working directory before we delete it, We need to know the new folder for the plugin
 878      $filelist = array_keys( $wp_filesystem->dirlist($working_dir) );
 879  
 880      // Remove working directory
 881      $wp_filesystem->delete($working_dir, true);
 882  
 883      if( empty($filelist) )
 884          return false; //We couldnt find any files in the working dir, therefor no plugin installed? Failsafe backup.
 885  
 886      $folder = $filelist[0];
 887      $plugin = get_plugins('/' . $folder); //Ensure to pass with leading slash
 888      $pluginfiles = array_keys($plugin); //Assume the requested plugin is the first in the list
 889  
 890      //Return the plugin files name.
 891      return  $folder . '/' . $pluginfiles[0];
 892  }
 893  
 894  ?>


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