PHP Surfer::empower方法代码示例

 *
 * @link http://blogs.law.harvard.edu/tech/rss RSS 2.0 Specification
 *
 * @author Bernard Paques
 * @author GnapZ
 * @tester Pat
 * @reference
 * @license http://www.gnu.org/copyleft/lesser.txt GNU Lesser General Public License
 */
// common definitions and initial processing
include_once '../shared/global.php';
// ensure we only provide public content through newsfeeds
$context['users_without_teasers'] = 'Y';
// check network credentials, if any -- used by winamp and other media players
if ($user = Users::authenticate()) {
    Surfer::empower($user['capability']);
}
// look for the id
$id = NULL;
if (isset($_REQUEST['id'])) {
    $id = $_REQUEST['id'];
} elseif (isset($context['arguments'][0])) {
    $id = $context['arguments'][0];
} elseif (Surfer::is_logged()) {
    $id = Surfer::get_id();
}
$id = strip_tags($id);
// get the item from the database
$item = Users::get($id);
// associates can do what they want
if (Surfer::is_associate()) {

if (isset($_REQUEST['id'])) {
    $id = $_REQUEST['id'];
} elseif (isset($context['arguments'][0])) {
    $id = $context['arguments'][0];
}
$id = strip_tags($id);
// get the item from the database
$item = Sections::get($id);
// get the related anchor, if any
$anchor = NULL;
if (isset($item['anchor']) && $item['anchor']) {
    $anchor = Anchors::get($item['anchor']);
}
// editors have associate-like capabilities
if (isset($item['id']) && Sections::is_assigned($item['id']) || is_object($anchor) && $anchor->is_assigned()) {
    Surfer::empower();
}
// load the skin, maybe with a variant
load_skin('sections', $anchor, isset($item['options']) ? $item['options'] : '');
// stop crawlers
if (Surfer::is_crawler()) {
    Safe::header('Status: 401 Unauthorized', TRUE, 401);
    die(i18n::s('You are not allowed to perform this operation.'));
}
// page title
if (isset($item['title'])) {
    $context['page_title'] = $item['title'];
}
// not found
if (!$item['id']) {
    include '../error.php';

 /**
  * layout the newest articles
  *
  * caution: this function also updates page title directly, and this makes its call non-cacheable
  *
  * @param array the article
  * @return string the rendered text
  **/
 function layout_newest($item)
 {
     global $context;
     // get the related overlay, if any
     $overlay = Overlay::load($item, 'article:' . $item['id']);
     // get the anchor
     $anchor = Anchors::get($item['anchor']);
     // the url to view this item
     $url = Articles::get_permalink($item);
     // reset the rendering engine between items
     Codes::initialize($url);
     // build a title
     if (is_object($overlay)) {
         $title = Codes::beautify_title($overlay->get_text('title', $item));
     } else {
         $title = Codes::beautify_title($item['title']);
     }
     // title prefix & suffix
     $text = $prefix = $suffix = '';
     // flag articles updated recently
     if ($context['site_revisit_after'] < 1) {
         $context['site_revisit_after'] = 2;
     }
     $context['fresh'] = gmstrftime('%Y-%m-%d %H:%M:%S', mktime(0, 0, 0, date("m"), date("d") - $context['site_revisit_after'], date("Y")));
     // link to permalink
     if (Surfer::is_empowered()) {
         $title = Skin::build_box_title($title, $url, i18n::s('Permalink'));
     }
     // signal articles to be published
     if ($item['publish_date'] <= NULL_DATE) {
         $prefix .= DRAFT_FLAG;
     } else {
         if ($item['publish_date'] > NULL_DATE && $item['publish_date'] > $context['now']) {
             $prefix .= DRAFT_FLAG;
         }
     }
     // signal restricted and private articles
     if ($item['active'] == 'N') {
         $prefix .= PRIVATE_FLAG . ' ';
     } elseif ($item['active'] == 'R') {
         $prefix .= RESTRICTED_FLAG . ' ';
     }
     // signal locked articles
     if (isset($item['locked']) && $item['locked'] == 'Y' && Articles::is_owned($item, $anchor)) {
         $suffix .= LOCKED_FLAG;
     }
     // flag expired article
     if ($item['expiry_date'] > NULL_DATE && $item['expiry_date'] <= $context['now']) {
         $suffix .= EXPIRED_FLAG;
     }
     // update page title directly
     $text .= Skin::build_block($prefix . $title . $suffix, 'title');
     // if this article has a specific icon, use it
     if ($item['icon_url']) {
         $icon = $item['icon_url'];
     } elseif ($item['anchor'] && ($anchor = Anchors::get($item['anchor']))) {
         $icon = $anchor->get_icon_url();
     }
     // if we have a valid image
     if (preg_match('/(.gif|.jpg|.jpeg|.png)$/i', $icon)) {
         // fix relative path
         if (!preg_match('/^(\\/|http:|https:|ftp:)/', $icon)) {
             $icon = $context['url_to_root'] . $icon;
         }
         // flush the image on the right
         $text .= '<img src="' . $icon . '" class="right_image" alt="" />';
     }
     // article rating, if the anchor allows for it
     if (!is_object($anchor) || !$anchor->has_option('without_rating')) {
         // report on current rating
         $label = '';
         if ($item['rating_count']) {
             $label = Skin::build_rating_img((int) round($item['rating_sum'] / $item['rating_count'])) . ' ';
         }
         $label .= i18n::s('Rate this page');
         // allow for rating
         $text .= Skin::build_link(Articles::get_url($item['id'], 'like'), $label, 'basic');
     }
     // the introduction text, if any
     if (is_object($overlay)) {
         $text .= Skin::build_block($overlay->get_text('introduction', $item), 'introduction');
     } else {
         $text .= Skin::build_block($item['introduction'], 'introduction');
     }
     // insert overlay data, if any
     if (is_object($overlay)) {
         $text .= $overlay->get_text('view', $item);
     }
     // the beautified description, which is the actual page body
     if ($item['description']) {
         // use adequate label
         if (is_object($overlay) && ($label = $overlay->get_label('description'))) {
//.........这里部分代码省略.........

}
// change default behavior
if (isset($item['id']) && is_object($behaviors) && !$behaviors->allow('articles/view.php', 'article:' . $item['id'])) {
    $permitted = FALSE;
} elseif ($cur_article->allows('access')) {
    $permitted = TRUE;
} else {
    $permitted = FALSE;
}
// owners can do what they want
if ($cur_article->allows('modification')) {
    Surfer::empower();
} elseif (Surfer::is_logged() && is_object($anchor) && $anchor->is_assigned()) {
    Surfer::empower('S');
} elseif (isset($item['id']) && $cur_article->is_assigned() && Surfer::is_logged()) {
    Surfer::empower('S');
}
// is the article on user watch list?
$in_watch_list = FALSE;
if (isset($item['id']) && Surfer::get_id()) {
    $in_watch_list = Members::check('article:' . $item['id'], 'user:' . Surfer::get_id());
}
// has this page some versions?
$has_versions = FALSE;
if (isset($item['id']) && !$zoom_type && Surfer::is_empowered() && Versions::count_for_anchor('article:' . $item['id'])) {
    $has_versions = TRUE;
}
// load the skin, maybe with a variant
load_skin('article', $anchor, isset($item['options']) ? $item['options'] : '');
// clear the tab we are in
if (is_object($anchor)) {