/**
* retrieve one record by name
*
* You can access $result['value'] and $result['edit_date'] after one single
* fetch.
*
* @param string the id of the value to be retrieved
* @param string an optional default value
* @return string cached information, or NULL if the no accurate information is available for this id
*/
public static function get_record($id, $default_value = NULL)
{
global $context;
// sanity check
if (!$id) {
$output = NULL;
return $output;
}
// select among available items -- exact match
$query = "SELECT * FROM " . SQL::table_name('values') . " WHERE id LIKE '" . SQL::escape($id) . "'";
// do not report on error
if (!($item = SQL::query_first($query, TRUE))) {
return $item;
}
// default value
if (!isset($item['value']) || !$item['value']) {
$item['value'] = $default_value;
}
// we have a valid item
return $item;
}
/**
* get enrolment record
*
* @param string to designate the target anchor
* @param int target user, or NULL for current surfer
* @return array enrolment attributes, or NULL
*/
public static function get_record($reference, $id = NULL)
{
global $context;
// which surfer?
if (!$id) {
$id = Surfer::get_id();
}
// look for surfer id, if any
if ($id) {
$where = "user_id LIKE '" . SQL::escape($id) . "'";
} elseif (isset($_REQUEST['surfer_address']) && $_REQUEST['surfer_address']) {
$where = "user_email LIKE '" . SQL::escape($_REQUEST['surfer_address']) . "'";
} elseif ($email = Surfer::get_email_address()) {
$where = "user_email LIKE '" . SQL::escape($email) . "'";
} else {
return NULL;
}
// get at least one record
$query = "SELECT * FROM " . SQL::table_name('enrolments') . " WHERE (anchor LIKE '" . $reference . "') AND " . $where;
return SQL::query_first($query);
}
/**
* get some statistics for some sections
*
* Only sections matching following criteria are returned:
* - section is visible (active='Y')
* - section is restricted (active='R'), but surfer is a logged user
* - section is hidden (active='N'), but surfer is an associate
*
* Non-activated and expired sections are counted as well.
*
* @param string the selected anchor (e.g., 'section:12')
* @return array the resulting ($count, $min_date, $max_date) array
*
* @see sections/delete.php
* @see sections/index.php
* @see sections/layout_sections.php
* @see sections/layout_sections_as_yahoo.php
* @see sections/view.php
*/
public static function stat_for_anchor($anchor = '')
{
global $context;
// limit the query to one level
if ($anchor) {
$where = "(sections.anchor LIKE '" . SQL::escape($anchor) . "')";
} else {
$where = "(sections.anchor='' OR sections.anchor is NULL)";
}
// show everything if we are about to suppress a section
if (!preg_match('/delete\\.php/', $context['script_url'])) {
// display active and restricted items
$where .= "AND (sections.active='Y'";
// list restricted sections to authenticated surfers
if (Surfer::is_logged()) {
$where .= " OR sections.active='R'";
}
// list hidden sections to associates, editors and readers
if (Surfer::is_empowered('S')) {
$where .= " OR sections.active='N'";
}
$where .= ")";
// hide sections removed from index maps
$where .= " AND (sections.index_map = 'Y')";
// non-associates will have only live sections
if ($anchor && !Surfer::is_empowered()) {
$where .= " AND ((sections.activation_date is NULL)" . "\tOR (sections.activation_date <= '" . $context['now'] . "'))" . " AND ((sections.expiry_date is NULL)" . "\tOR (sections.expiry_date <= '" . NULL_DATE . "') OR (sections.expiry_date > '" . $context['now'] . "'))";
}
}
// list sections
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . " FROM " . SQL::table_name('sections') . " AS sections" . " WHERE " . $where;
$output = SQL::query_first($query);
return $output;
}
/**
* pull most recent notification
*
* This script will wait for new updates before providing them to caller.
* Because of potential time-outs, you have to care of retries.
*
* @return array attributes of the oldest notification, if any
*
* @see users/heartbit.php
*/
public static function pull()
{
global $context;
// return by reference
$output = NULL;
// only authenticated surfers can be notified
if (!Surfer::get_id()) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
die(i18n::s('You are not allowed to perform this operation.'));
}
// only consider recent records -- 180 = 3 minutes * 60 seconds
$threshold = gmstrftime('%Y-%m-%d %H:%M:%S', time() - 180);
// the query to get time of last update
$query = "SELECT * FROM " . SQL::table_name('notifications') . " AS notifications " . " WHERE (notifications.recipient = " . SQL::escape(Surfer::get_id()) . ")" . "\tAND (edit_date >= '" . SQL::escape($threshold) . "')" . " ORDER BY notifications.edit_date" . " LIMIT 1";
// stop if there is nothing to return
if (!($record = SQL::query_first($query)) || !isset($record['data'])) {
return 'NTR';
}
// restore the entire record
$output = Safe::unserialize($record['data']);
// localize on server-side message displayed by the client software
$lines = array();
switch ($output['type']) {
case 'alert':
// a new item has been created
if (strpos($output['action'], ':create')) {
$lines[] = sprintf(i18n::s('New page: %s'), $output['title']) . "\n" . sprintf(i18n::s('%s by %s'), ucfirst(Anchors::get_action_label($output['action'])), $output['nick_name']) . "\n";
// surfer prompt
$lines[] = i18n::s('Would you like to browse the page?');
// else consider this as an update
} else {
// provide a localized message
$lines[] = sprintf(i18n::s('Updated: %s'), $output['title']) . "\n" . sprintf(i18n::s('%s by %s'), ucfirst(Anchors::get_action_label($output['action'])), $output['nick_name']) . "\n";
// surfer prompt
$lines[] = i18n::s('Would you like to browse the page?');
}
break;
case 'browse':
// message is optional
if (isset($output['message']) && trim($output['message'])) {
$lines[] = sprintf(i18n::s('From %s:'), $output['nick_name']) . "\n" . $output['message'] . "\n";
}
// address is mandatory
$lines[] = i18n::s('Would you like to browse the page?');
break;
case 'hello':
// message is optional
if (isset($output['message']) && trim($output['message'])) {
$lines[] = sprintf(i18n::s('From %s:'), $output['nick_name']) . "\n" . $output['message'] . "\n";
}
// address is present on new chat
if (isset($output['address']) && trim($output['address'])) {
$lines[] = i18n::s('Would you like to browse the page?');
}
break;
}
// content of the dialog box that will be displayed to surfer
if (count($lines)) {
$output['dialog_text'] = implode("\n", $lines);
}
// forget this notification
$query = "DELETE FROM " . SQL::table_name('notifications') . " WHERE id = " . SQL::escape($record['id']);
SQL::query($query, TRUE);
// return the new notification
return $output;
}
/**
* get some statistics for one anchor
*
* @param the selected anchor (e.g., 'section:12')
* @return the resulting ($count, $min_date, $max_date) array
*/
public static function stat_for_anchor($anchor)
{
global $context;
// sanity check
if (!$anchor) {
return NULL;
}
$anchor = SQL::escape($anchor);
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . " FROM " . SQL::table_name('versions') . " AS versions" . " WHERE (versions.anchor LIKE '" . SQL::escape($anchor) . "')";
$output = SQL::query_first($query);
return $output;
}
/**
* get some statistics for one anchor
*
* @param the selected anchor (e.g., 'article:12')
* @return the resulting ($count, $oldest_date, $newest_date, $total_size) array
*/
public static function stat_for_anchor($anchor)
{
global $context;
// sanity check
if (!$anchor) {
return NULL;
}
// limit the scope of the request
$where = Files::get_sql_where();
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . ", SUM(file_size) as total_size" . " FROM " . SQL::table_name('files') . " AS files" . " WHERE files.anchor LIKE '" . SQL::escape($anchor) . "' AND " . $where;
$output = SQL::query_first($query);
return $output;
}
/**
* count present users
*
* Only users matching following criteria are returned:
* - user is visible (active='Y')
* - user is restricted (active='R'), but surfer is a logged member
* - user is restricted (active='N'), but surfer is an associate
* - user has clicked during the last 15 minutes
*
* @return the resulting ($count, $min_date, $max_date) array
*
* @see users/index.php
*/
public static function stat_present()
{
global $context;
// limit the scope of the request
$where = "users.active='Y'";
if (Surfer::is_member()) {
$where .= " OR users.active='R'";
}
if (Surfer::is_associate()) {
$where .= " OR users.active='N'";
}
// present means 'a click not too long in the past'
$threshold = gmstrftime('%Y-%m-%d %H:%M:%S', time() - 15 * 60);
$where = "(" . $where . ") AND (click_date > '" . $threshold . "')";
// select among available items
$query = "SELECT COUNT(*) as count, MIN(users.edit_date) as oldest_date, MAX(users.edit_date) as newest_date" . " FROM " . SQL::table_name('users') . " AS users" . " WHERE " . $where;
$output = SQL::query_first($query, FALSE, $context['users_connection']);
return $output;
}
$section_id = '';
if (isset($_REQUEST['anchor']) && strpos($_REQUEST['anchor'], 'section:') === 0) {
$section_id = str_replace('section:', '', $_REQUEST['anchor']);
}
$section_id = strip_tags($section_id);
// offset, to navigate in result set
$offset = 1.0;
if (isset($_REQUEST['offset'])) {
$offset = (double) $_REQUEST['offset'];
}
if ($offset > 1.0 || $offset < 0.0) {
$offset = 1.0;
}
// minimum size for any search token - depends of mySQL setup
$query = "SHOW VARIABLES LIKE 'ft_min_word_len'";
if (!defined('MINIMUM_TOKEN_SIZE') && ($row = SQL::query_first($query)) && $row['Value'] > 0) {
define('MINIMUM_TOKEN_SIZE', $row['Value']);
}
// by default MySQL indexes words with at least four chars
if (!defined('MINIMUM_TOKEN_SIZE')) {
define('MINIMUM_TOKEN_SIZE', 4);
}
// kill short and redundant tokens; adapt to boolean search
$boolean_search = '';
$tokens = preg_split('/[\\s,]+/', $search);
if (@count($tokens)) {
foreach ($tokens as $token) {
// too short
if (strlen(preg_replace('/&.+?;/', 'x', $token)) < MINIMUM_TOKEN_SIZE) {
continue;
}
/**
* get some statistics for one anchor
*
* @param the selected anchor (e.g., 'article:12')
* @return the resulting ($count, $min_date, $max_date) array
*/
public static function stat_past_for_anchor($anchor)
{
global $context;
// restrict the query to addressable content
$where = Articles::get_sql_where();
// put only published pages in boxes
if (isset($variant) && $variant == 'boxes') {
$where .= " AND NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')";
// provide published pages to anonymous surfers
} elseif (!Surfer::is_logged()) {
$where .= " AND NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')";
// logged surfers that are non-associates are restricted to their own articles, plus published articles
} elseif (!Surfer::is_empowered()) {
$where .= " AND ((articles.create_id=" . Surfer::get_id() . ") OR (NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')))";
}
// now
$match = gmstrftime('%Y-%m-%d %H:%M:%S');
// select among available items
$query = "SELECT COUNT(*) as count, MIN(articles.edit_date) as oldest_date, MAX(articles.edit_date) as newest_date " . " FROM " . SQL::table_name('dates') . " as dates " . ", " . SQL::table_name('articles') . " AS articles" . " WHERE ((dates.anchor_type LIKE 'article') AND (dates.anchor_id = articles.id))" . "\tAND (dates.date_stamp < '" . SQL::escape($match) . "') AND\t(articles.anchor = '" . SQL::escape($anchor) . "') AND " . $where;
$output = SQL::query_first($query);
return $output;
}
/**
* get one documentation snippet
*
* @param string the name of the snippet to fetch
* @return the resulting $row array, with at least keys: 'name', 'anchor' and 'content'
*/
public static function get($name)
{
global $context;
// select among available items
$query = "SELECT * FROM " . SQL::table_name('phpdoc') . " AS phpdoc " . " WHERE phpdoc.name = '" . SQL::escape($name) . "'";
$output = SQL::query_first($query);
return $output;
}
$to_avoid[] = str_replace('`', '', SQL::table_name($token));
}
}
//enumerate tables
$queries = 0;
$tables = SQL::list_tables($context['database']);
while ($row = SQL::fetch_row($tables)) {
// table name
$table_name = $row[0];
// skip unmatched prefixes
if (isset($_REQUEST['backup_prefix']) && !preg_match('/' . preg_quote($_REQUEST['backup_prefix'], '/') . '/i', $table_name)) {
continue;
}
// the string to re-create table structure
$query = "SHOW CREATE TABLE " . $table_name;
if (!($result = SQL::query_first($query)) || !isset($result['Create Table'])) {
continue;
}
// strip constraints and keep only engine definition
$create_query = preg_replace('/(ENGINE=\\w+)\\b.*$/i', '$1', $result['Create Table']);
// split lines
$create_query = str_replace('\\n', "\n", $create_query);
// build the table creation query
$sql = 'DROP TABLE IF EXISTS `' . $table_name . "`;\n\n" . $create_query . ";\n\n";
if ($compressed) {
gzwrite($handle, $sql);
} else {
fwrite($handle, $sql);
}
// skip content of some tables
if (in_array($table_name, $to_avoid)) {
/**
* retrieve cached information
*
* @param string the id of the text to be retrieved
* @return string cached information, or NULL if the no accurate information is available for this id
*/
public static function get($id, $f_capa = true, $f_lang = true, $f_gmt_off = true)
{
global $context;
// return by reference
$output = NULL;
// recover from previous poisoining, if any
$context['cache_has_been_poisoned'] = FALSE;
// always disable cache when server is not switched on
if (!file_exists($context['path_to_root'] . 'parameters/switch.on')) {
return $output;
}
// the sql back-end may be not available during software updates or on NO_MODEL_PRELOAD
if (!is_callable(array('SQL', 'query'))) {
return $output;
}
// maybe we don't have to cache
if (isset($context['without_cache']) && $context['without_cache'] == 'Y') {
return $output;
}
// sanity check
if (!$id) {
return $output;
}
// cached content depends on surfer capability
if ($f_capa) {
$id .= '/' . Surfer::get_capability();
}
// cached content depends on selected language
if ($f_lang) {
$id .= '/' . $context['language'];
}
// cached content depends on time offset
if ($f_gmt_off) {
$id .= '/' . Surfer::get_gmt_offset();
}
// select among available items -- exact match
$query = "SELECT * FROM " . SQL::table_name('cache') . " AS cache" . " WHERE (cache.id LIKE '" . SQL::escape($id) . "')";
// do not report on error
if (!($item = SQL::query_first($query, TRUE))) {
return $output;
}
// check item validity
if ($item['expiry_date'] < gmstrftime('%Y-%m-%d %H:%M:%S')) {
return $output;
}
// we have a valid cached item
$output = $item['text'];
return $output;
}
// send the message
Mailer::notify(Surfer::from(), $recipient, $subject, $message, $headers, $attachments);
}
}
// drop enrolment record
$query = "DELETE FROM " . SQL::table_name('enrolments') . " WHERE id = " . SQL::escape($_REQUEST['target']);
SQL::query($query);
}
// validate an application
if (isset($_REQUEST['action']) && $_REQUEST['action'] == 'validate' && isset($_REQUEST['target']) && $_REQUEST['target']) {
// update enrolment record
$query = "UPDATE " . SQL::table_name('enrolments') . " SET approved = 'Y' WHERE id = " . SQL::escape($_REQUEST['target']);
SQL::query($query);
// list enrolment for this meeting
$query = "SELECT * FROM " . SQL::table_name('enrolments') . " WHERE id = " . SQL::escape($_REQUEST['target']);
if (($result = SQL::query_first($query)) && ($user = Users::get($result['user_id']))) {
// add the page to the watch list
Members::assign($anchor->get_reference(), 'user:'******'id']);
// ensure that the enrolled person can access private pages
if ($anchor->is_hidden()) {
Members::assign('user:'******'id'], $anchor->get_reference());
}
// confirm enrolment by e-mail
if ($user['email'] && preg_match(VALID_RECIPIENT, $user['email'])) {
// use this email address
if ($user['full_name']) {
$recipient = Mailer::encode_recipient($user['email'], $user['full_name']);
} else {
$recipient = Mailer::encode_recipient($user['email'], $user['nick_name']);
}
// mail subject
/**
* get some statistics for some categories
*
* Only categories matching following criteria are returned:
* - category is visible (active='Y')
* - category is restricted (active='R'), but surfer is a logged user
* - an anchor has been provided and category is hidden (active='N'), but surfer is an associate
* - an expiry date has not been defined, or is not yet passed
*
* @param the selected anchor (e.g., 'category:12')
* @return the resulting ($count, $min_date, $max_date) array
*/
public static function stat_for_anchor($anchor)
{
global $context;
// limit the scope of the request
$where = "categories.active='Y'";
if (Surfer::is_member()) {
$where .= " OR categories.active='R'";
}
// list hidden categories to associates, but not on the category tree
// they will be listed through a call to list_inactive_by_title() -- see categories/index.php
if ($anchor && Surfer::is_associate()) {
$where .= " OR categories.active='N'";
}
// only consider live categories
$where = "(" . $where . ")" . " AND ((categories.expiry_date is NULL)" . "\tOR (categories.expiry_date <= '" . NULL_DATE . "') OR (categories.expiry_date > '" . $context['now'] . "'))";
// limit the query to one level
if ($anchor) {
$where = "(categories.anchor LIKE '" . SQL::escape($anchor) . "') AND (" . $where . ')';
} else {
$where = "(categories.anchor='' OR categories.anchor is NULL) AND (" . $where . ')';
}
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . " FROM " . SQL::table_name('categories') . " AS categories" . " WHERE " . $where;
$output = SQL::query_first($query);
return $output;
}
/**
* get some statistics
*
* @return the number of rows in table
*
* @see control/index.php
*/
public static function stat()
{
global $context;
// select among available items
$query = "SELECT COUNT(*) as count FROM " . SQL::table_name('profiles');
$output = SQL::query_first($query);
return $output;
}
/**
* get some statistics
*
* @return the resulting ($count, $min_date, $max_date) array
*/
public static function stat()
{
global $context;
// select among active and restricted items
$where = "servers.active='Y'";
if (Surfer::is_member()) {
$where .= " OR servers.active='R'";
}
if (Surfer::is_associate()) {
$where .= " OR servers.active='N'";
}
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . ' FROM ' . SQL::table_name('servers') . ' AS servers' . ' WHERE (' . $where . ')';
$output = SQL::query_first($query);
return $output;
}
/**
* build the history for this issue
*
* @return string an unnumbered list of dates
*/
function get_history()
{
global $context;
// sanity check
if (!is_object($this->anchor)) {
return NULL;
}
$query = "SELECT * FROM " . SQL::table_name('issues') . " AS issues " . " WHERE (issues.anchor LIKE '" . SQL::escape($this->anchor->get_reference()) . "')";
// fetch the first row
if (!($row = SQL::query_first($query))) {
return NULL;
}
// text returned
$text = '';
// the creation step
if ($row['create_date'] && $row['create_date'] > NULL_DATE) {
$text .= self::get_history_item(i18n::s('Submission'), $row['create_date'], $row['create_name'], $row['create_address'], $row['create_id']);
}
// all steps
$steps = array('cancelled:suspect', 'on-going:problem', 'cancelled:problem', 'on-going:issue', 'cancelled:issue', 'on-going:solution', 'cancelled:solution', 'completed:solution');
// the qualification step
if (in_array($this->attributes['status'], $steps) && $row['qualification_date'] && $row['qualification_date'] > NULL_DATE) {
$text .= self::get_history_item(i18n::s('Qualification'), $row['qualification_date'], $row['qualification_name'], $row['qualification_address'], $row['qualification_id']);
}
// remove qualification
array_shift($steps);
array_shift($steps);
// the analysis step
if (in_array($this->attributes['status'], $steps) && $row['analysis_date'] && $row['analysis_date'] > NULL_DATE) {
$text .= self::get_history_item(i18n::s('Analyzis'), $row['analysis_date'], $row['analysis_name'], $row['analysis_address'], $row['analysis_id']);
}
// remove analysis
array_shift($steps);
array_shift($steps);
// the solution step
if (in_array($this->attributes['status'], $steps) && $row['resolution_date'] && $row['resolution_date'] > NULL_DATE) {
$text .= self::get_history_item(i18n::s('Action'), $row['resolution_date'], $row['resolution_name'], $row['resolution_address'], $row['resolution_id']);
}
// remove resolution
array_shift($steps);
array_shift($steps);
// the close step
if (in_array($this->attributes['status'], $steps) && $row['close_date'] && $row['close_date'] > NULL_DATE) {
$text .= self::get_history_item(i18n::s('Finalization'), $row['close_date'], $row['close_name'], $row['close_address'], $row['close_id']);
}
if ($text) {
return "<ul>" . $text . "</ul>";
}
return NULL;
}
/**
* initialize connections to the database
*
* @return TRUE on success, FALSE on failure
*/
public static function initialize()
{
global $context;
// no database parameters
if (!isset($context['database_server']) || !isset($context['database_user']) || !isset($context['database_password']) || !isset($context['database'])) {
} elseif (!($context['connection'] = SQL::connect($context['database_server'], $context['database_user'], $context['database_password'], $context['database']))) {
// exit if batch mode
if (!isset($_SERVER['REMOTE_ADDR'])) {
exit(sprintf(i18n::s('Impossible to connect to %s.'), $context['database']));
}
// else jump to the control panel, if not in it already
if (!preg_match('/(\\/control\\/|\\/included\\/|setup|login\\.php$)/i', $context['script_url'])) {
Safe::redirect($context['url_to_home'] . $context['url_to_root'] . 'control/');
}
}
// connect to the database for user records
if (isset($context['users_database_server']) && $context['users_database_server']) {
// additional connection for users table
$context['users_connection'] = SQL::connect($context['users_database_server'], $context['users_database_user'], $context['users_database_password'], $context['users_database']);
} elseif (isset($context['connection'])) {
$context['users_connection'] = $context['connection'];
}
// the table prefix
if (!isset($context['table_prefix'])) {
$context['table_prefix'] = 'yacs_';
}
// sanity check
if (!$context['connection']) {
return FALSE;
}
// ensure we are talking utf8 to the database server
$query = "SET NAMES 'utf8'";
SQL::query($query);
// detect utf8 database, if any
if (!isset($_SESSION['database_is_utf8'])) {
$_SESSION['database_is_utf8'] = FALSE;
$query = "SHOW VARIABLES LIKE 'character_set_database'";
if (($result = SQL::query_first($query)) && $result['Value'] == 'utf8') {
$_SESSION['database_is_utf8'] = TRUE;
}
}
// ask only once per session
$context['database_is_utf8'] = $_SESSION['database_is_utf8'];
// database ok
return TRUE;
}
/**
* get some statistics for one anchor
*
* Only articles matching following criteria are returned:
* - article is visible (active='Y')
* - article is restricted (active='R'), but the surfer is an authenticated member,
* or YACS is allowed to show restricted teasers
* - article is protected (active='N'), but surfer is an associate, and we are not feeding someone
* - surfer is anonymous or the variant is 'boxes', and article has been officially published
* - logged surfers are restricted to their own articles, plus published articles
* - an expiry date has not been defined, or is not yet passed
*
* @param the selected anchor (e.g., 'section:12')
* @param boolean FALSE to include sticky pages, TRUE otherwise
* @return the resulting ($count, $min_date, $max_date) array
*
* @see sections/view.php
*/
public static function stat_for_anchor($anchor, $without_sticky = FALSE)
{
global $context;
// sanity check
if (!$anchor) {
return NULL;
}
// restrict the query to addressable content
$where = Articles::get_sql_where();
// avoid sticky articles
if ($without_sticky) {
$where .= " AND (articles.rank >= 10000)";
}
// anonymous surfers and subscribers will see only published articles
if (!Surfer::is_member()) {
$where .= " AND NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')";
// logged surfers that are non-associates are restricted to their own articles, plus published articles
} elseif (!Surfer::is_empowered()) {
$where .= " AND ((articles.create_id=" . Surfer::get_id() . ") OR (NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')))";
}
// only consider live articles
$where .= " AND ((articles.expiry_date is NULL) " . "OR (articles.expiry_date <= '" . NULL_DATE . "') OR (articles.expiry_date > '" . $context['now'] . "'))";
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . " FROM " . SQL::table_name('articles') . " AS articles" . " WHERE (articles.anchor LIKE '" . SQL::escape($anchor) . "') AND (" . $where . ")";
$output = SQL::query_first($query);
return $output;
}
/**
* get some statistics for one anchor
*
* @param the selected anchor (e.g., 'article:12')
* @return the resulting ($count, $min_date, $max_date) array
*
* @see articles/delete.php
* @see articles/view.php
* @see categories/delete.php
* @see categories/view.php
* @see sections/delete.php
* @see sections/sections.php
* @see sections/view.php
* @see skins/layout_home_articles_as_alistapart.php
* @see skins/layout_home_articles_as_hardboiled.php
* @see skins/layout_home_articles_as_daily.php
* @see skins/layout_home_articles_as_newspaper.php
* @see skins/layout_home_articles_as_slashdot.php
* @see skins/skin_skeleton.php
* @see users/delete.php
*/
public static function stat_for_anchor($anchor)
{
global $context;
// select among available items
$query = "SELECT COUNT(*) as count, MIN(edit_date) as oldest_date, MAX(edit_date) as newest_date" . " FROM " . SQL::table_name('links') . " AS links" . " WHERE links.anchor LIKE '" . SQL::escape($anchor) . "'";
$output = SQL::query_first($query);
return $output;
}
} elseif (isset($_REQUEST['email']) && (!preg_match(VALID_RECIPIENT, $_REQUEST['email']) || !$_REQUEST['email'])) {
$syntax = FALSE;
$searchin = 'email';
}
if ($syntax) {
if (isset($_REQUEST['nick_name'])) {
$searchin = 'nick_name';
$searchfor = $_REQUEST['nick_name'];
$search_label = i18n::s('nick name');
} else {
$searchin = 'email';
$searchfor = $_REQUEST['email'];
$search_label = i18n::s('e-mail');
}
$query = "SELECT id FROM " . SQL::table_name('users') . " WHERE " . $searchin . " = '" . $searchfor . "'";
$found = SQL::query_first($query);
if ($found) {
$output['can'] = false;
$output['message'] = sprintf(i18n::s('Sorry this %s is already used.'), $search_label);
} else {
$output['can'] = true;
$output['message'] = i18n::s('Ok, you can use this');
}
} else {
// bad syntax
$output['can'] = false;
if ($searchin === 'nick_name') {
$output['message'] = i18n::s('Sorry some characters are forbidden here.');
} else {
$output['message'] = i18n::s('Incomplete or illegal character used');
}
