* @link http://elgg.org/
*/
/**
* Get some input from variables passed on the GET or POST line.
*
* Note: this function does not handle nested arrays (ex: form input of param[m][n])
* because of the filtering done in htmlawed from the filter_tags call.
*
* @param $variable string The variable we want to return.
* @param $default mixed A default value for the variable if it is not found.
* @param $filter_result If true then the result is filtered for bad tags.
*/
function get_input($variable, $default = "", $filter_result = true) {
global $CONFIG;
if (isset($CONFIG->input[$variable])) {
$var = $CONFIG->input[$variable];
if ($filter_result) {
$var = filter_tags($var);
}
return $var;
}
if (isset($_REQUEST[$variable])) {
if (is_array($_REQUEST[$variable])) {
$var = $_REQUEST[$variable];
} else {
$var = trim($_REQUEST[$variable]);
}
if ($filter_result) {
$var = filter_tags($var);
}
return $var;
}
return $default;
}
/**
* Sets an input value that may later be retrieved by get_input
*
* Note: this function does not handle nested arrays (ex: form input of param[m][n])
*
* @param string $variable The name of the variable
* @param string $value The value of the variable
*/
function set_input($variable, $value) {
global $CONFIG;
if (!isset($CONFIG->input)) {
$CONFIG->input = array();
}
if (is_array($value)) {
foreach ($value as $key => $val) {
$value[$key] = trim($val);
}
$CONFIG->input[trim($variable)] = $value;
} else {
$CONFIG->input[trim($variable)] = trim($value);
}
}
/**
* Filter tags from a given string based on registered hooks.
* @param $var
* @return mixed The filtered result
*/
function filter_tags($var) {
return trigger_plugin_hook('validate', 'input', null, $var);
}
/**
* Sanitise file paths for input, ensuring that they begin and end with slashes etc.
*
* @param string $path The path
* @return string
*/
function sanitise_filepath($path) {
// Convert to correct UNIX paths
$path = str_replace('\\', '/', $path);
// Sort trailing slash
$path = trim($path);
// rtrim defaults plus /
$path = rtrim($path, " \n\t\0\x0B/");
$path = $path . "/";
return $path;
}
/**
* Takes a string and turns any URLs into formatted links
*
* @param string $text The input string
* @return string The output stirng with formatted links
**/
function parse_urls($text) {
return preg_replace_callback('/(?"\'\!\(\)]+)/i',
create_function(
'$matches',
'
$url = $matches[1];
$urltext = str_replace("/", "/
\s*
|', "\n\n", $pee);
// Space things out a little
$allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)';
$pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee);
$pee = preg_replace('!(' . $allblocks . '>)!', "$1\n\n", $pee);
$pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines
if ( strpos($pee, '
\s*(?' . $allblocks . '[^>]*>)!', "$1", $pee); $pee = preg_replace('!(?' . $allblocks . '[^>]*>)\s*
!', "$1", $pee); if ($br) { $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', create_function('$matches', 'return str_replace("\n", ")(.*?)!is', 'clean_pre', $pee ); } $pee = preg_replace( "|\n$|", '', $pee ); return $pee; } /** * Page handler for autocomplete endpoint. * * @param $page * @return unknown_type */ function input_livesearch_page_handler($page) { global $CONFIG; // only return results to logged in users. if (!$user = get_loggedin_user()) { exit; } if (!$q = get_input('q')) { exit; } $q = mysql_real_escape_string($q); // replace mysql vars with escaped strings $q = str_replace(array('_', '%'), array('\_', '\%'), $q); $match_on = get_input('match_on', 'all'); if ($match_on == 'all' || $match_on[0] == 'all') { $match_on = array('users', 'groups'); } if (!is_array($match_on)) { $match_on = array($match_on); } if (get_input('match_owner', false)) { $owner_guid = $user->getGUID(); $owner_where = 'AND e.owner_guid = ' . $user->getGUID(); } else { $owner_guid = null; $owner_where = ''; } $limit = get_input('limit', 10); // grab a list of entities and send them in json. $results = array(); foreach ($match_on as $type) { switch ($type) { case 'all': // only need to pull up title from objects. if (!$entities = get_entities(null, null, $owner_guid, null, $limit) AND is_array($entities)) { $results = array_merge($results, $entities); } break; case 'users': $query = "SELECT * FROM {$CONFIG->dbprefix}users_entity as ue, {$CONFIG->dbprefix}entities as e WHERE e.guid = ue.guid AND e.enabled = 'yes' AND ue.banned = 'no' AND (ue.name LIKE '$q%' OR ue.username LIKE '$q%') LIMIT $limit "; if ($entities = get_data($query)) { foreach ($entities as $entity) { $json = json_encode(array( 'type' => 'user', 'name' => $entity->name, 'desc' => $entity->username, 'icon' => '