* This script is loaded by sections/view.php.
*
* If this section, or one of its anchor, specifies a specific skin (option keyword '[code]skin_xyz[/code]'),
* or a specific variant (option keyword '[code]variant_xyz[/code]'), they are used instead default values.
*
* @author Bernard Paques
* @reference
* @license http://www.gnu.org/copyleft/lesser.txt GNU Lesser General Public License
*/
// loaded from sections/view.php
defined('YACS') or exit('Script must be included');
//
// rewrite $context['page_details'] because some details have moved to tabs
//
// do not mention details at follow-up pages, nor to crawlers
if (!$zoom_type && !Surfer::is_crawler()) {
// one detail per line
$text = '<p class="details">';
$details = array();
// add details from the overlay, if any
if (is_object($overlay) && ($more = $overlay->get_text('details', $item))) {
$details[] = $more;
}
// restricted to logged members
if ($item['active'] == 'R') {
$details[] = RESTRICTED_FLAG . i18n::s('Community - Access is granted to any identified surfer');
}
// restricted to associates
if ($item['active'] == 'N') {
$details[] = PRIVATE_FLAG . i18n::s('Private - Access is restricted to selected persons');
}
// load the skin
load_skin('categories');
// the path to this page
if (is_object($anchor) && $anchor->is_viewable()) {
$context['path_bar'] = $anchor->get_path_bar();
} else {
$context['path_bar'] = array('categories/' => i18n::s('Categories'));
}
// the title of the page
if (is_object($anchor)) {
$context['page_title'] = sprintf(i18n::s('Categories for: %s'), $anchor->get_title());
} else {
$context['page_title'] = i18n::s('Select categories for this page');
}
// stop crawlers
if (Surfer::is_crawler()) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
Logger::error(i18n::s('You are not allowed to perform this operation.'));
// not found
} elseif (!is_object($anchor)) {
Safe::header('Status: 404 Not Found', TRUE, 404);
Logger::error(i18n::s('No item has been found.'));
// permission denied
} elseif (!$permitted) {
// anonymous users are invited to log in or to register
if (!Surfer::is_logged()) {
Safe::redirect($context['url_to_home'] . $context['url_to_root'] . 'users/login.php?url=' . urlencode(Categories::get_url($member, 'select')));
}
// permission denied to authenticated user
Safe::header('Status: 401 Unauthorized', TRUE, 401);
Logger::error(i18n::s('You are not allowed to perform this operation.'));
/**
* remember that surfer is joining a meeting
*
*/
function join_meeting()
{
global $context;
// sanity check
if (!is_callable(array($this->anchor, 'get_reference'))) {
return;
}
// create a comment only on first join, and if not a robot, and if comments are allowed
if (!isset($_SESSION['event_' . $this->anchor->get_reference()]) && !Surfer::is_crawler() && !$this->anchor->has_option('no_comments')) {
// track the new participant
include_once $context['path_to_root'] . 'comments/comments.php';
$fields = array();
$fields['anchor'] = $this->anchor->get_reference();
$fields['description'] = sprintf(i18n::s('%s has joined the meeting'), Surfer::get_name());
$fields['type'] = 'notification';
Comments::post($fields);
}
// remember that you joined the event
$_SESSION['event_' . $this->anchor->get_reference()] = TRUE;
// additional steps only for authenticated users
if (!Surfer::get_id()) {
return;
}
// add this page to the watching list of this surfer
Members::assign($this->anchor->get_reference(), 'user:'******'path_to_root'] . 'shared/enrolments.php';
enrolments::confirm($this->anchor->get_reference());
}
/**
* update surfer presence
*
* This function is used to track presence information.
* Errors are not reported, if any
*
* @param string web address of visited page
* @param string related title
* @param string the target anchor, if any
* @param string level of visibility for this anchor (e.g., 'Y', 'R' or 'N')
*/
public static function is_visiting($link, $label, $anchor = NULL, $active = 'Y')
{
global $context;
// don't track crawlers
if (Surfer::is_crawler()) {
return;
}
// update the history stack
if (!isset($context['pages_without_history']) || $context['pages_without_history'] != 'Y') {
// put at top of stack
if (!isset($_SESSION['visited'])) {
$_SESSION['visited'] = array();
}
$_SESSION['visited'] = array_merge(array($link => $label), $_SESSION['visited']);
// limit to 20 most recent pages
if (count($_SESSION['visited']) > 20) {
array_pop($_SESSION['visited']);
}
}
// no anchor to remember
if (!$anchor) {
return;
}
// ensure regular operation of the server
if (!file_exists($context['path_to_root'] . 'parameters/switch.on')) {
return;
}
// nothing remembered for anonymous surfers
if (!Surfer::get_id()) {
return;
}
// we need a GET
if (!isset($_SERVER['REQUEST_METHOD']) || $_SERVER['REQUEST_METHOD'] != 'GET') {
return;
}
// Firefox pre-fetch is not a real visit
if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') {
return;
}
// ensure the back-end is there
if (!is_callable(array('SQL', 'query'))) {
return;
}
// update the record of the surfer
$query = "UPDATE " . SQL::table_name('users') . " SET click_anchor='" . SQL::escape($anchor) . "', click_date='" . gmstrftime('%Y-%m-%d %H:%M:%S') . "'" . " WHERE id = " . SQL::escape(Surfer::get_id());
SQL::query($query, FALSE, $context['users_connection']);
// also update recent visits
include_once $context['path_to_root'] . 'users/visits.php';
Visits::track($anchor, $active);
// job done
return;
}
/**
* build a link
*
* Accept following variants:
* - 'article' - jump to an article page
* - 'basic' - a very basic link - also the default
* - 'button' - a link that looks like a button
* - 'category' - jump to a category page
* - 'click' - a button that records clicks
* - 'comment' - jump to a comment page
* - 'day' - a one day calendar
* - 'email' - a mailto: link
* - 'edit' - say this link edit a page, for eg. to call overlaid edition
* - 'external' - jump to the outside world
* - 'file' - see file details
* - 'internal' - jump to the outside world, but stay in this window
* - 'menu_1' - one top level link ([menu]...[/menu])
* - 'menu_2' - one secondary level link ([submenu]...[/submenu])
* - 'month' - a one month calendar
* - 'more' - a follow-up link
* - 'open' - open a separate window to display some help
* - 'raw' - return only the url
* - 'xml' - this has to be processed by a specialized software
* - 'script' - see some phpDoc page
* - 'section' - jump to a section page
* - 'server' - jump to a server profile (news, ftp, etc.)
* - 'shortcut' - stay within the site
* - 'span' - like 'basic', but insert a <span> around the label
* - 'tag' - a folksonomy
* - 'tee' - like button, but also reload the current page
* - 'user' - a person profile
* - 'year' - a full year calendar
*
* You may define a id attributes to the link by adding #<yourID> to the variant
* example : button#foobar
*
* @link http://www.texastar.com/tips/2004/target_blank.shtml XHTML 1.1 Modularization Anchor Element Target Attribute
*
* @param string the url, if any
* @param string a label, if any
* @param string an optional variant, as described above
* @param string an optional title to add to the link
* @param boolean open the link in a separate page if TRUE
* @param string to access this link with keyboard only
* @return string the rendered text, or the bare url if $variant = 'raw'
**/
public static function &build_link($url, $label = NULL, $variant = NULL, $href_title = NULL, $new_window = FALSE, $access_key = NULL)
{
global $context;
// don't create a link if there is no url - strip everything that begins with '_'
if (!$url || !is_string($url) || strpos($url, '_') === 0) {
return $label;
}
// be sure to have a label
if (!$label) {
$label = $url;
}
// limit the size of labels when they are links
if (!strncmp($label, 'http:', 5) || !strncmp($label, 'https:', 6) || !strncmp($label, 'ftp:', 4)) {
if (strlen($label) > 50) {
$label = substr_replace($label, '...', 30, -15);
}
}
// more attributes to give to the link
$attributes = '';
// check no_follow
if (strpos($variant, 'nofollow') !== false) {
$variant = trim(str_replace('nofollow', '', $variant));
$attributes .= ' rel="nofollow"';
}
// guess the type of this link
if (!$variant) {
if (!strncmp($url, '/', 1)) {
$variant = 'basic';
} elseif (!strncmp($url, 'articles/view.php', 17)) {
$variant = 'article';
} elseif (!strncmp($url, 'article-', 8)) {
$variant = 'article';
} elseif (!strncmp($url, 'categories/view.php', 19)) {
$variant = 'category';
} elseif (!strncmp($url, 'category-', 9)) {
$variant = 'category';
} elseif (!strncmp($url, 'comments/view.php', 17)) {
$variant = 'comment';
} elseif (!strncmp($url, 'comment-', 8)) {
$variant = 'comment';
} elseif (!strncmp($url, 'files/view.php', 14)) {
$variant = 'file';
} elseif (!strncmp($url, 'file-', 5)) {
$variant = 'file';
} elseif (!strncmp($url, 'images/view.php', 15)) {
$variant = 'basic';
} elseif (!strncmp($url, 'image-', 6)) {
$variant = 'basic';
} elseif (!strncmp($url, 'locations/view.php', 18)) {
$variant = 'location';
} elseif (!strncmp($url, 'location-', 9)) {
$variant = 'location';
} elseif (!strncmp($url, 'sections/view.php', 17)) {
$variant = 'section';
} elseif (!strncmp($url, 'section-', 8)) {
$variant = 'section';
} elseif (!strncmp($url, 'servers/view.php', 16)) {
$variant = 'server';
} elseif (!strncmp($url, 'server-', 7)) {
$variant = 'server';
} elseif (!strncmp($url, 'tables/view.php', 15)) {
$variant = 'table';
} elseif (!strncmp($url, 'table-', 6)) {
$variant = 'table';
} elseif (!strncmp($url, 'users/view.php', 14)) {
$variant = 'user';
} elseif (!strncmp($url, 'user-', 5)) {
$variant = 'user';
} elseif (!strncmp($url, 'mailto:', 7)) {
$variant = 'email';
}
} elseif ($pos = strpos($variant, '#')) {
// separate id from variant if any
$attributes .= ' id="' . substr($variant, $pos + 1) . '"';
$variant = substr($variant, 0, $pos);
}
// open in a separate window if asked explicitly or on file streaming
if ($new_window || strpos($url, 'files/stream.php') !== FALSE || strpos($url, 'file-stream/') !== FALSE) {
$attributes .= ' onclick="window.open(this.href); return false;" onkeypress="window.open(this.href); return false;"';
}
// access key
if ($access_key) {
$attributes .= ' accesskey="' . $access_key . '"';
}
// use the link as-is
if ($variant == 'click') {
}
// force tip display for this link
if ($variant == 'tip') {
$attributes .= ' class="tip"';
$variant = 'basic';
}
// malformed url '//server/path' --> 'http://server/path'
if (!strncmp($url, '//', 2)) {
$url = 'http:' . $url;
} elseif (!preg_match('/^(\\/|[a-zA-Z]+:)/', $url)) {
// email address
if ($variant == 'email') {
$url = 'mailto:' . $url;
} elseif ($variant == 'script') {
} elseif (!strncmp($url, 'ftp.', 4)) {
$url = 'ftp://' . $url;
} elseif (!strncmp($url, 'irc.', 4)) {
$url = 'irc://' . $url;
} elseif (!strncmp($url, 'nntp.', 5) || !strncmp($url, 'news.', 5)) {
$url = 'news://' . $url;
} elseif (!strncmp($url, 'www.', 4)) {
$url = 'http://' . $url;
} elseif (!strncmp($url, '#', 1)) {
$url = $context['self_url'] . $url;
} elseif ($variant != 'external') {
$url = $context['url_to_root'] . $url;
}
}
// help crawlers and do not count clicks
if (is_callable(array('Surfer', 'is_crawler')) && Surfer::is_crawler()) {
$variant = 'basic';
$href_title = '';
// format for a human being
} else {
// flag external links
$external = $variant == 'external';
// if no explict "external" variant but url is absolute, compare
// it with all hosted domains to establish if its external or not
$matches_ext = array();
if (!$external && preg_match('/.+:\\/\\/(.+)$/', $url, $matches_ext)) {
// the url without the protocol, begins after "://"
$url_path = $matches_ext[1];
// our host name, at least !
$domains[] = $context['host_name'];
// the master host, could be different
$domains[] = $context['master_host'];
// do we have hosted virtual domains ? consider them also
if (isset($context['virtual_domains'])) {
$domains = array_merge($domains, $context['virtual_domains']);
}
// consider the url will not match ...
$internal = FALSE;
// compare url with each domains
foreach ($domains as $domain) {
// strncomp = 0 means strings are matching
if (!strncmp($url_path, $domain, strlen($domain))) {
$internal = TRUE;
break;
// one matching is enought
}
}
$external = !$internal;
}
// default tagging for external links
if (!$variant && $external) {
$variant = 'external';
}
// default processing for external links
if ($external) {
//check we have full link
if (!preg_match("/^(?:[a-z]+:)?\\/\\//i", $url)) {
$url = "http://" . $url;
}
// finalize the hovering title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Browse in a separate window')) . '"';
} else {
$href_title = ' title="' . encode_field(strip_tags($href_title)) . '"';
}
// internal link
} else {
// finalize the hovering title
if ($href_title) {
$href_title = ' title="' . encode_field(strip_tags($href_title)) . '"';
}
}
}
// depending on variant
switch ($variant) {
case 'article':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View the page')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="article"' . $attributes . '>' . $label . '</a>';
break;
case 'basic':
$text = '<a href="' . $url . '"' . $href_title . $attributes . '>' . $label . '</a>';
break;
case 'button':
// always stay in the same window
$text = '<a href="' . $url . '"' . $href_title . ' class="button tip" ' . $attributes . '><span>' . $label . '</span></a>';
break;
case 'category':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View the category')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="category"' . $attributes . '>' . $label . '</a>';
break;
case 'click':
// always count clicks
$url = $context['url_to_root'] . 'links/click.php?url=' . urlencode($url);
// always open in a separate window
$text = '<a href="' . $url . '"' . $href_title . ' class="button tip" onclick="window.open(this.href); return false;"><span>' . $label . '</span></a>';
break;
case 'comment':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View this comment')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="comment"' . $attributes . '>' . $label . '</a>';
break;
case 'day':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Daily calendar')) . '"';
}
$text = ' <a href="' . $url . '"' . $href_title . ' class="day"' . $attributes . '>' . $label . '</a> ';
break;
case 'email':
// note that mailto: prefix and obscufacation have to be done beforehand
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Send a message')) . '"';
}
// use obfuscated reference
$text = '<a href="' . $url . '"' . $href_title . ' class="email"' . $attributes . ' rel="nofollow">' . $label . '</a>';
break;
case 'external':
$text = '<a href="' . $url . '"' . $href_title . ' class="external" ' . $attributes . ' onclick="window.open(this.href); return false;">' . $label . '</a>';
break;
case 'file':
$text = '<a href="' . $url . '"' . $href_title . ' class="file"' . $attributes . '>' . $label . '</a>';
break;
case 'open':
// open the link in a side window
// open the link in a side window
case 'help':
// -- obsolete
$text = '<a href="' . $url . '"' . $href_title . ' class="help"' . ' onclick="window.open(this.href); return false;"' . ' onkeypress="window.open(this.href); return false;" rel="nofollow"><span>' . $label . '</span></a>';
break;
case 'overlaid':
// openned by ajax on popup
$text = '<a href="' . $url . '"' . $href_title . ' class="open-overlaid"' . $attributes . '>' . $label . '</a>';
break;
case 'overlaid-edit':
// openned by ajax on popup
$text = '<a href="' . $url . '"' . $href_title . ' class="edit-overlaid"' . $attributes . '>' . $label . '</a>';
break;
case 'internal':
// like external, but stay in the same window
// count external clicks
// $url = $context['url_to_root'].'links/click.php?url='.urlencode($url);
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View the page')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="external">' . $label . '</a>';
break;
case 'menu_1':
$text = MENU_1_PREFIX . '<a href="' . $url . '"' . $href_title . ' class="menu_1"' . $attributes . '><span>' . $label . '</span></a>' . MENU_1_SUFFIX;
break;
case 'menu_2':
$text = MENU_2_PREFIX . '<a href="' . $url . '"' . $href_title . ' class="menu_2"' . $attributes . '><span>' . $label . '</span></a>' . MENU_2_SUFFIX;
break;
case 'month':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Monthly calendar')) . '"';
}
$text = ' <a href="' . $url . '"' . $href_title . ' class="month"' . $attributes . '>' . $label . '</a> ';
break;
case 'more':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('More')) . '"';
}
$text = '<a class="more" href="' . $url . '"' . $href_title . $attributes . '>' . $label . '</a>';
break;
case 'next':
// add an icon, except if there is already an image
if (!preg_match('/<img/i', $label) && defined('NEXT_IMG')) {
$label .= NEXT_IMG;
}
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Next')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="next"' . $attributes . '>' . $label . '</a>';
break;
case 'previous':
// add an icon, except if there is already an image
if (!preg_match('/<img/i', $label) && defined('PREVIOUS_IMG')) {
$label = PREVIOUS_IMG . $label;
}
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Previous')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="previous"' . $attributes . '>' . $label . '</a>';
break;
case 'raw':
$text = $url;
break;
case 'script':
// if we have built the documentation, use it
if (file_exists($context['path_to_root'] . 'scripts/reference/footprints.php')) {
if ($context['with_friendly_urls'] == 'Y') {
$prefix = 'scripts/view.php/';
} else {
$prefix = 'scripts/view.php?script=';
}
$url = $context['url_to_root'] . $prefix . $url;
// else look at the reference server
} elseif (is_readable($context['path_to_root'] . 'parameters/scripts.include.php')) {
include_once $context['path_to_root'] . 'parameters/scripts.include.php';
if (!$context['reference_server']) {
$context['reference_server'] = i18n::s('www.yacs.fr');
}
// reference server have to be installed at the root
$url = 'http://' . $context['reference_server'] . '/scripts/view.php?script=' . $url;
// or, ultimately, check our origin server -- reference server have to be installed at the root
} else {
$url = 'http://www.yacs.fr/scripts/view.php/' . $url;
}
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Go to the documentation page')) . '"';
}
// a link to the phpdoc page
$text = '<a href="' . $url . '"' . $href_title . ' class="script"' . $attributes . ' rel="nofollow">' . $label . '</a>';
break;
case 'section':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View the page')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="section"' . $attributes . '>' . $label . '</a>';
break;
case 'server':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('See server profile')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="server"' . $attributes . '>' . $label . '</a>';
break;
case 'shortcut':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Shortcut')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="shortcut"' . $attributes . '>' . $label . '</a>';
break;
case 'span':
$text = '<a href="' . $url . '"' . $href_title . $attributes . '><span>' . $label . '</span></a>';
break;
case 'tee':
// like button, but also reload the current page and go to another window
$text = '<a href="' . $url . '"' . $href_title . ' class="button tip" onclick="window.open(this.href); window.location.reload(); return false;"' . $attributes . '>' . $label . '</a>';
break;
case 'idle user':
case 'user':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('View person profile')) . '"';
}
$text = '<a href="' . $url . '"' . $href_title . ' class="' . $variant . '"' . $attributes . '>' . $label . '</a>';
break;
case 'xml':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Provide this link to specialized software, such as a RSS news reader')) . '"';
}
Skin::define_img('XML_IMG', 'tools/xml.gif');
$text = '<a href="' . $url . '"' . $href_title . ' class="xml"' . ' onclick="window.open(this.href); return false;"' . ' onkeypress="window.open(this.href); return false;" rel="nofollow">' . XML_IMG . $label . '</a>';
break;
case 'year':
// a default title
if (!$href_title) {
$href_title = ' title="' . encode_field(i18n::s('Yearly calendar')) . '"';
}
$text = ' <a href="' . $url . '"' . $href_title . ' class="year"' . $attributes . '>' . $label . '</a> ';
break;
default:
if ($variant) {
$text = '<a href="' . $url . '"' . $href_title . ' class="' . $variant . '"' . $attributes . '>' . $label . '</a>';
} else {
$text = '<a href="' . $url . '"' . $href_title . $attributes . '>' . $label . '</a>';
}
break;
}
// job done
return $text;
}
/**
* check if a anchor with same nickname exist but with a language
* better for the current surfer
* if yes, redirect surfer to it
*
* @see articles/view.php, sections/view.php
*
* @param type $reference of the current item
* @param type $nickname of the current item
*/
public static function check_better_lang($reference, $nickname)
{
// separate class and id
list($class, $id) = explode(":", $reference);
// sanity check
if (!$id || !$nickname) {
return;
}
// get anchor familly
$class = new $class();
$familly = $class->get_static_group_class();
// get item from nickname, will chose best language
$anchor = $familly::get($nickname);
// compare id, if != the redirect surfer but not crawlers
if ($anchor['id'] !== $id && !Surfer::is_crawler()) {
$url = $familly::get_permalink($anchor);
Safe::redirect($url);
}
}
/**
* process one single HTTP request
*
* This function removes any PHPSESSID data in the query string, if any
*
* @return void
*
* @see agents/referrals_hook.php
*/
public static function check_request()
{
global $context;
// don't bother with HEAD requests
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'HEAD') {
return;
}
// the target url
if (!isset($_SERVER['REQUEST_URI']) || !($url = $_SERVER['REQUEST_URI'])) {
return;
}
// only remember viewed pages and index pages
if (!preg_match('/\\/(index|view).php/', $url)) {
return;
}
// continue only if we have a referer
if (!isset($_SERVER['HTTP_REFERER']) || !($referer = $_SERVER['HTTP_REFERER'])) {
return;
}
// do not memorize cache referrals
if (preg_match('/cache:/i', $referer)) {
return;
}
// block pernicious attacks
$referer = strip_tags($referer);
// only remember external referrals
if (preg_match('/\\b' . preg_quote(str_replace('www.', '', $context['host_name']), '/') . '\\b/i', $referer)) {
return;
}
// stop crawlers
if (Surfer::is_crawler()) {
return;
}
// avoid banned sources
include_once $context['path_to_root'] . 'servers/servers.php';
if (preg_match(Servers::get_banned_pattern(), $referer)) {
return;
}
// normalize the referral, extract keywords, and domain
list($referer, $domain, $keywords) = Referrals::normalize($referer);
// if a record exists for this url
$query = "SELECT id FROM " . SQL::table_name('referrals') . " AS referrals" . " WHERE referrals.url LIKE '" . SQL::escape($url) . "' AND referrals.referer LIKE '" . SQL::escape($referer) . "'";
if (!($item = SQL::query_first($query))) {
return;
}
// update figures
if (isset($item['id'])) {
$query = "UPDATE " . SQL::table_name('referrals') . " SET" . " hits=hits+1," . " stamp='" . gmstrftime('%Y-%m-%d %H:%M:%S') . "'" . " WHERE id = " . $item['id'];
// create a new record
} else {
// ensure the referer is accessible
if (($content = http::proceed($referer)) === FALSE) {
return;
}
// we have to find a reference to ourself in this page
if (strpos($content, $context['url_to_home']) === FALSE) {
return;
}
$query = "INSERT INTO " . SQL::table_name('referrals') . " SET" . " url='" . SQL::escape($url) . "'," . " referer='" . SQL::escape($referer) . "'," . " domain='" . SQL::escape($domain) . "'," . " keywords='" . SQL::escape($keywords) . "'," . " hits=1," . " stamp='" . gmstrftime('%Y-%m-%d %H:%M:%S') . "'";
}
// actual database update
if (SQL::query($query) === FALSE) {
return;
}
// prune with a probability of 1/100
if (rand(1, 100) != 50) {
return;
}
// purge oldest records -- 100 days = 8640000 seconds
$query = "DELETE FROM " . SQL::table_name('referrals') . " WHERE stamp < '" . gmstrftime('%Y-%m-%d %H:%M:%S', time() - 8640000) . "'";
SQL::query($query);
}
// set specific headers
if (isset($item['introduction']) && $item['introduction']) {
$context['page_meta'] = strip_tags(Codes::beautify_introduction($item['introduction']));
}
if (isset($item['create_name']) && $item['create_name']) {
$context['page_author'] = $item['create_name'];
}
if (isset($item['edit_date']) && $item['edit_date']) {
$context['page_date'] = $item['edit_date'];
}
}
//
// page details -- $context['page_details']
//
// do not mention details to crawlers
if (!Surfer::is_crawler() && $whole_rendering) {
// tags, if any
if (isset($item['tags'])) {
$context['page_tags'] =& Skin::build_tags($item['tags']);
}
// one detail per line
$context['page_details'] .= '<p class="details">';
$details = array();
// add details from the overlay, if any
if (is_object($overlay) && ($more = $overlay->get_text('details', $item))) {
$details[] = $more;
}
// the capability field is displayed only to logged users
if (!Surfer::is_logged()) {
} elseif ($item['capability'] == 'A') {
$details[] = i18n::s('Associate');
* @author Alexis Raimbault
* @reference
* @license http://www.gnu.org/copyleft/lesser.txt GNU Lesser General Public License
*/
// common definitions and initial processing
include_once '../shared/global.php';
// ensure browser always look for fresh data
http::expire(0);
// lang
i18n::bind('files');
// stop here on scripts/validate.php
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'HEAD') {
return;
}
// stop if forbidden
if (Surfer::is_crawler() || !Surfer::may_upload()) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
die(i18n::s('You are not allowed to perform this operation.'));
}
// some input is mandatory
if (!isset($_REQUEST['name'])) {
Safe::header('Status: 400 Bad Request', TRUE, 400);
outputJSON(i18n::s('Request is invalid.'));
} else {
$name = $_REQUEST['name'];
}
$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : '';
// Output JSON
function outputJSON($msg, $status = 'error', $preview = '')
{
global $context;
