/**
* update a link
*
* @param array an array of fields
* @return boolean TRUE on success, FALSE on error
**/
public static function put(&$fields)
{
global $context;
// id cannot be empty
if (!isset($fields['id']) || !is_numeric($fields['id'])) {
Logger::error(i18n::s('No item has the provided id.'));
return FALSE;
}
// no link
if (!$fields['link_url']) {
Logger::error(i18n::s('No link URL has been provided.'));
return FALSE;
}
// no anchor reference
if (!$fields['anchor']) {
Logger::error(i18n::s('No anchor has been found.'));
return FALSE;
}
// set default values for this editor
Surfer::check_default_editor($fields);
// update the existing record
$query = "UPDATE " . SQL::table_name('links') . " SET " . "anchor='" . SQL::escape($fields['anchor']) . "', " . "anchor_id=SUBSTRING_INDEX('" . SQL::escape($fields['anchor']) . "', ':', -1)," . "anchor_type=SUBSTRING_INDEX('" . SQL::escape($fields['anchor']) . "', ':', 1)," . "link_url='" . SQL::escape($fields['link_url']) . "', " . "link_target='" . SQL::escape(isset($fields['link_target']) ? $fields['link_target'] : '') . "', " . "link_title='" . SQL::escape(isset($fields['link_title']) ? $fields['link_title'] : '') . "', " . "title='" . SQL::escape(isset($fields['title']) ? $fields['title'] : '') . "', " . "description='" . SQL::escape(isset($fields['description']) ? $fields['description'] : '') . "'";
// maybe a silent update
if (!isset($fields['silent']) || $fields['silent'] != 'Y') {
$query .= ", " . "edit_name='" . SQL::escape($fields['edit_name']) . "', " . "edit_id=" . SQL::escape($fields['edit_id']) . ", " . "edit_address='" . SQL::escape($fields['edit_address']) . "', " . "edit_action='link:update', " . "edit_date='" . SQL::escape($fields['edit_date']) . "'";
}
// update only one record
$query .= " WHERE id = " . SQL::escape($fields['id']);
// do the job
if (!SQL::query($query)) {
return FALSE;
}
// clear the cache for links
Links::clear($fields);
// report on result
return TRUE;
}
// try to extract some text around the link
$extract = strip_tags(substr($content, max(0, $position - 70), 210), '<a><b><i>');
if (preg_match('/[^<]*>(.*)$/', $extract, $matches)) {
$extract = $matches[1];
}
if ($extract) {
$fields['description'] = '...' . $extract . '...';
}
// save in the database
$fields['anchor'] = $anchor;
$fields['link_url'] = $source;
if (!($fields['id'] = Links::post($fields))) {
$response = 0;
} else {
$response = 'Thanks for the ping';
Links::clear($fields);
}
}
}
break;
// ping an external reference to some page on this site
// ping an external reference to some page on this site
case 'weblogUpdates.ping':
list($label, $url) = $parameters['params'];
// caller has been banned
if ($_SERVER['REMOTE_HOST'] && ($server = Servers::get($_SERVER['REMOTE_HOST']) && $server['process_ping'] != 'Y')) {
$response = array('flerror' => 49, 'message' => 'Access denied');
} elseif (preg_match('/\\b(127\\.0\\.0\\.1|localhost)\\b/', $url)) {
$response = array('flerror' => 1, 'message' => 'We don\'t accept local references ' . $url);
} elseif (($content = http::proceed($url)) === FALSE && ($content = http::proceed($url . '/')) === FALSE) {
$response = array('flerror' => 1, 'message' => 'Cannot read source address ' . $url);
// not found
if (!isset($item['id'])) {
include '../error.php';
// permission denied
} elseif (!$permitted) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
Logger::error(i18n::s('You are not allowed to perform this operation.'));
// deletion is confirmed
} elseif (isset($_REQUEST['confirm']) && $_REQUEST['confirm'] == 'yes') {
// touch the related anchor before actual deletion, since the link has to be accessible at that time
if (is_object($anchor)) {
$anchor->touch('link:delete', $item['id']);
}
// if no error, back to the anchor or to the index page
if (Links::delete($item['id'])) {
Links::clear($item);
if (is_object($anchor)) {
Safe::redirect($context['url_to_home'] . $context['url_to_root'] . $anchor->get_url() . '#_attachments');
} else {
Safe::redirect($context['url_to_home'] . $context['url_to_root'] . 'links/');
}
}
// deletion has to be confirmed
} elseif (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'POST') {
Logger::error(i18n::s('The action has not been confirmed.'));
} else {
// commands
$menu = array();
$menu[] = Skin::build_submit_button(i18n::s('Yes, I want to delete this link'), NULL, NULL, 'confirmed');
if (is_object($anchor)) {
$menu[] = Skin::build_link($anchor->get_url(), i18n::s('Cancel'), 'span');
$description = $_REQUEST['link_url'] . "\n" . sprintf(i18n::c('at %s'), '<a href="' . $link . '">' . $link . '</a>');
Logger::notify('links/edit.php: ' . $label, $description);
}
}
// update an existing link
} else {
// display the form on error
if (!Links::put($_REQUEST)) {
$item = $_REQUEST;
$with_form = TRUE;
// follow-up
} else {
// touch the related anchor
$anchor->touch('link:update', $_REQUEST['id'], isset($_REQUEST['silent']) && $_REQUEST['silent'] == 'Y');
// clear cache
Links::clear($_REQUEST);
// forward to the updated anchor page
Safe::redirect($context['url_to_home'] . $context['url_to_root'] . $anchor->get_url() . '#_attachments');
}
}
// display the form on GET
} else {
$with_form = TRUE;
}
// display the form
if ($with_form) {
// the form to edit a link
$context['text'] .= '<form method="post" action="' . $context['script_url'] . '" onsubmit="return validateDocumentPost(this)" id="main_form"><div>';
// the category, for direct uploads
if (!$anchor) {
// a splash message for new users
