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time-tracking/lib/class/model.php

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<?php
/**
* Tzn Framework
*
* @package tzn_core_classes
* @author Stan Ozier <framework@tirzen.com>
* @version 0.2
* @copyright GNU Lesser General Public License (LGPL) version 3
*/
/**
* Model
*
* The mother class of all models
* @since 0.1
*/
abstract class Model extends Pluginable {
protected $_error; // errors
protected $_properties; // properties definition
protected $_fields; // properties selection
protected $data; // properties values
protected $_table;
public function __construct($table='') {
parent::__construct();
$this->_error = array();
$this->_fields = array();
if (empty($table)) {
$this->_table = StringHelper::camelToFlat(__CLASS__);
} else {
$this->_table = $table;
}
}
// ---- INITIALIZE OBJECT : PROPERTIES ------------------------------------
/**
* addProperties : generic function
* add property(ies) to class/object
* @param mixed $prm1 array or name of property
* @param mixed $prm2 if first parameter is, second is type (else: not needed)
*/
protected function addProperties($prm1, $prm2=null) {
if (is_array($prm1)) {
if (is_array($this->_properties)) {
$this->_properties = array_merge($this->_properties,$prm1);
} else {
$this->_properties = $prm1;
}
} else if ($prm2) {
if (!is_array($this->_properties)) {
$this->_properties = array();
}
$this->_properties[$prm1] = $prm2;
}
$this->all(); // select all fields by default
}
/**
* getPropertyType : returns property type
* @param string $key name of property
*/
public function getPropertyType($key) {
if (isset($this->_properties[$key])) {
return substr($this->_properties[$key],0,3);
} else {
return false;
}
}
/**
* getPropertyOption : returns property options
* @param string $key name of property
* @return array of options
*/
public function getPropertyOptions($key) {
$str = substr($this->_properties[$key],4);
if (empty($str)) {
return array(); // return empty array
} else {
$arr = json_decode($str, true); // force array
$arr['type'] = $this->getPropertyType($key);
$arr['value'] = $this->value($key);
if (is_null($arr['value'])) {
// no value set ? look for default
if (isset($arr['default'])) {
$arr['value'] = $arr['default'];
}
}
return $arr;
}
}
/**
* removeProperties : generic function
* remove property(ies) to class/object
* @param prm1 array or name of property
* @param prm2 if first parameter is, second is type (else: not needed)
*/
protected function removeProperties($prm1) {
if (is_array($this->_properties)) {
if (is_array($prm1)) {
foreach($prm1 as $key) {
unset($this->_properties[$key]);
}
} else {
unset($this->_properties[$prm1]);
}
}
$this->all(); // update fields selection
}
/**
* initObjectProperties : initialize nested objects
*/
public function initObjectProperties($nested = false) {
foreach($this->_properties as $key => $type) {
if (preg_match('/^OBJ/i',$type)) {
$class = (strlen($type) > 3)?substr($type,4):$key;
if ($nested) {
$this->$key = new $class();
} else {
if (!is_object($this->$key) || strtolower(get_class($this->$key)) != strtolower($class)) {
$this->$key = new $class();
}
$this->$key->initObjectProperties(true);
}
}
}
$this->callPlugins('initObjectProperties', $nested);
$this->all(); // update fields selection
}
/**
* resetProperties : clear all data
*/
public function resetProperties($nested=false) {
foreach($this->_properties as $key => $type) {
if (preg_match('/^OBJ/i',$type)) {
$class = (strlen($type) > 3)?substr($type,4):$key;
$this->$key = new $class();
if (!$nested) {
$this->$key->resetProperties(true);
}
} else {
unset($this->data[$key]);
}
}
$this->callPlugins('resetProperties', $nested);
$this->all(); // update fields selection
}
/**
* reset : full reset
*/
public function reset() {
$this->resetProperties();
$this->callHelpers('reset');
}
// ---- PREPARE DATA MANIPULATION --------------------------------------------
public function fields() {
if (!func_num_args()) {
$this->all();
return true;
}
$args = func_get_args();
$arrFields = forward_static_call_array(array('StringHelper','mixedToArray'),$args);
$this->_fields = array_keys($this->_properties);
$this->_fields = array_intersect($this->_fields, $arrFields);
}
public function ignore() {
if (!func_num_args()) {
$this->all();
return true;
}
$args = func_get_args();
$arrFields = forward_static_call_array(array('StringHelper','mixedToArray'),$args);
$this->_fields = array_keys($this->_properties);
$this->_fields = array_diff($this->_fields, $arrFields);
}
public function all() {
$this->_fields = array_keys($this->_properties);
return $this->_fields;
}
public function getFields() {
$arr = array();
foreach($this->_fields as $key) {
$arr[$key] = true;
}
return array_intersect_key($this->_properties,$arr);
}
// ---- SET PROPERTIES DATA --------------------------------------------------
/**
* set : generic set function (for a single property)
*/
protected function _set($key, $value)
{
// set regular property
$arr = explode(',',$this->_properties[$key]);
$class = array_shift($arr);
$class = 'Var'.ucfirst(strtolower($class));
// and call the corresponding class/method
$value = forward_static_call_array(array($class,'sanitize'),array($value, &$arr));
if (!empty($arr['error'])) {
// value is invalid
$this->_error[$key] = $arr['error'];
$this->data[$key] = $value; // -TODO- value might be empty, but you might want it anyway
return false;
} else {
// value is valid
$this->data[$key] = $value;
return true;
}
}
protected function _setObject($key, $data, $class='', $nkey='') {
if (empty($class)) {
if (!$this->isObjectProperty($key, $class, $nkey)) {
return false;
}
}
// setting an object
FC::log_core_debug(get_class($this)."->_setObject($key, [data], $class, $nkey)");
$obj = new $class;
// set data set with interresting data only
$part = array();
foreach($data as $k => $v) {
if (preg_match('/^('.$nkey.'__|'.$nkey.'::)([a-z0-9_]+)$/',$k,$m)) {
$kk = $m[2];
$part[$kk] = $v;
}
}
FC::log_core_debug(' -> found '.count($part).' properties to be set ('.implode(', ',array_keys($part)).')');
if (count($part)) {
if ($obj->set($part)) {
FC::log_core_debug(" => setting ".get_class($obj)." in $key");
$this->data[$key] = $obj;
return true;
} else {
FC::log_core_debug($obj->getAllErrors());
}
}
return false;
}
/**
* set : generic set function
* @todo deal with files, images, multiple choices, switches
*/
public function set()
{
$args = func_get_args();
if (!count($args)) {
FrontController::log_error('Error: Tzn::get (empty 1st parameter)');
}
$data = $args[0];
if (is_array($data)) {
// first parameter is an array ? Setting all (selected) properties then !
$ok = true;
foreach($this->_fields as $key) {
if ($this->isObjectProperty($key, $class, $nkey)) {
$r = call_user_func_array(array($this,'_setObject'),array($key, $data, $class, $nkey));
} else {
// data not set ?
$val = (array_key_exists($key, $data))?$data[$key]:NULL;
// set data
$r = call_user_func_array(array($this,'_set'),array($key,$val));
if ($r == false) {
// just one error and this is it, you're screwed
$ok = false;
}
}
}
$this->all(); // select all fields again
return $ok;
} else {
// set a single property
// -TODO- set object property then
return call_user_func_array(array($this,'_set'),array($data,$args[1]));
}
}
// ---- GET PROPERTIES DATA --------------------------------------------------
/**
* _get : private generic get function
* check property type and call corresponding method
* variable parameters
* first parameter : the method to call
* second parameter : the key
*/
private function _get() {
if (!func_num_args()) {
FrontController::log_error('Error: Model::get (empty 1st parameter)');
}
$args = func_get_args();
// remove first parameter (method)
$method = array_shift($args);
// remove second parameter (key)
$key = array_shift($args);
if (!array_key_exists($key, $this->_properties)) {
// property not defined, check if trying to access nested object prop ?
if (preg_match('/^([a-z0-9]+)(__|::)([a-z0-9\_]+)$/', $key, $arr)) {
// error_log (get_class($this).': check if '.$key.' exists as '.$arr[0].'/'.$arr[1]);
// try again within nested object
if (array_key_exists($arr[1], $this->_properties)) {
if (!empty($this->data[$arr[1]])) {
$obj = $this->data[$arr[1]];
if (is_a($obj, 'Model')) {
array_unshift($args, $arr[3]);
return call_user_func_array(array($obj,$method),$args);
}
} else {
return false;
}
}
}
// FrontController::log_error("Error: Model::get (property '$key' does not exist)");
throw new AppException(get_class($this)."::get (property '$key' does not exist");
return false;
}
// regular property (not an object), proceed
$dfn = $this->_properties[$key];
/* -TODO-
if (is_array($dfn)) {
return call_user_func_array(array(&$this,'getLst'),$dfn);
}
*/
// parse property definition
$arrType = explode(',',$dfn);
// guess class name corresponding to property type
$class = 'Var'.ucfirst(strtolower($arrType[0]));
// if property value is empty, don't bother and return an empty string
if (!isset($this->data[$key])) {
// property not set yet
return null;
}
// add value as first parameter
array_unshift($args,$this->data[$key]);
// and call the corresponding class/method
return forward_static_call_array(array($class,$method),$args);
}
/**
* get : returns property value, as it fucking is
* variable parameters
*/
public function get()
{
$args = func_get_args();
array_unshift($args, 'get');
return call_user_func_array(array($this,'_get'),$args);
}
/**
* html : returns property value, formatted in HTML
* variable parameters
*/
public function html()
{
$args = func_get_args();
array_unshift($args, 'html');
return call_user_func_array(array($this,'_get'),$args);
}
/**
* value : returns property value, formatted for HTML forms
* variable parameters
*/
public function value()
{
$args = func_get_args();
array_unshift($args, 'value');
return call_user_func_array(array($this,'_get'),$args);
}
/**
* checks if value (or date) is empty
*/
public function isEmpty($key) {
if (empty($this->data[$key]) || preg_match('/^(0000|9999)\-00\-00/',$this->data[$key])) {
return true;
} else {
return false;
}
}
/**
* checks if property is a class
* @param string $key property name
* @param string $class model's class name (returned)
* @param string $nkey key name for SQL statements (returned)
*/
public function isObjectProperty($key, &$class, &$nkey) {
$class = $nkey = '';
if (empty($this->_properties[$key])) {
return false;
}
$type = $this->_properties[$key];
if (preg_match('/^OBJ(,([a-z0-9_]*))?$/', $type, $match)) {
$nkey = (count($match)>2)?$match[2]:$key;
$class = StringHelper::flatToCamel((count($match)>2)?$nkey:($nkey.'_model'), true);
return true;
} else {
return false;
}
}
// ---- DATABASE Capabilities ------------------------------------------------
/**
* Add database capabilities
*/
public function connectDb() {
$this->addHelper('db', $this, $this->_table);
}
/**
* get model UID
* @param ext : adds table name for SQL query purpose
*/
public function proUid() {
foreach ($this->_properties as $key => $type) {
if (preg_match('/^UID/i',$type)) {
return $key;
}
}
return false;
}
/**
* set the data object UID
*/
public function setUid($val) {
if ($key = $this->proUid()) {
return $this->set($key, $val);
}
return false;
}
/**
* get the data object UID
*/
public function getUid() {
if ($key = $this->proUid()) {
return $this->get($key);
} else {
return false;
}
}
/**
* check data before submitting
*/
public function check($fields='') {
if (empty($this->data)) {
return false;
}
$arr = StringHelper::mixedToArray($fields);
$ok = true;
if (count($arr)) {
foreach($arr as $key) {
if (empty($this->data[$key])) {
$this->_error[$key] = 'compulsory_field';
$ok = false;
}
}
}
return $ok;
}
// ---- ERROR Reporting ------------------------------------------------------
/**
* return error
* @param the field
*/
public function getError($key) {
if (empty($this->_error[$key])) {
return false;
} else {
$err = $this->_error[$key];
if (is_array($err)) {
$err = implode(', ', $err);
}
// -TODO- translate
return $err;
}
}
/**
* print out list of errors (debugging)
*/
public function getAllErrors() {
$str = '';
if (count($this->_error)) {
foreach($this->_error as $key => $code) {
$str .= '['.$key.'] '.$code."\n";
}
}
return $str;
}
/**
* returns error in HTML format
*/
public function htmlError($key) {
if ($str = $this->getError($key)) {
return '<span class="error">'.VarStr::html($str).'</span>';
} else {
return false;
}
}
/**
* print out list of errors (debugging)
*/
public function htmlAllErrors() {
if (count($this->_error)) {
echo '<ul class="error">';
foreach($this->_error as $key => $code) {
echo '<li>'.$key.' : '.$code.'</li>';
}
echo '</ul>';
}
}
/**
* temporary debug method
*/
public function __toString() {
$str = '<pre>';
ob_start();
print_r($this->data);
$str .= ob_get_clean();
$str .= '</pre>';
return $str;
}
}
/**
* Any Variable (abstract class)
* @since 0.1
*/
abstract class VarAbstract
{
abstract public static function sanitize($val, &$info);
public static function get($val) {
return $val;
}
public static function html($val) {
return $val;
}
public static function value($val) {
return $val;
}
public static function sql($val, $db) {
if (is_integer($val)) {
return $val;
} else if (empty($val)) {
return "''";
} else {
return "'".$db->escapeString($val)."'";
}
}
/**
* get current user's timezone offset in seconds
* @todo cache it
*/
public static function getUserTimeZoneOffset() {
return intval($GLOBALS['config']['datetime']['timezone_user']->getOffset($GLOBALS['config']['datetime']['now']));
}
}
/**
* Data Object ID Variable
* @since 0.1
*/
class VarUid extends VarAbstract
{
public static function sanitize($val, &$info) {
if (is_array($val)) {
throw new AppException('VarUid Sanitize Hell : '.implode(', ',$val));
}
if (preg_match('/^[0-9A-Z]+$/i', $val)) {
return $val;
} else {
return false;
}
}
}
/**
* Integer Variable
* @since 0.1
*/
class VarInt extends VarAbstract
{
public static function sanitize($val, &$info) {
$value = preg_replace(array('/[a-zA-Z]/','/ /','/,/'),'',$val);
return intval($val);
}
}
/**
* Positive integer Variable
* @since 0.1
*/
class VarNum extends VarAbstract
{
public static function sanitize($val, &$info) {
$value = preg_replace(array('/[a-zA-Z]/','/ /','/,/'),'',$val);
return abs(intval($val));
}
}
/**
* Float / Decimal Variable
* @since 0.1
*/
class VarDec extends VarAbstract
{
public static function sanitize($val, &$info) {
$val = preg_replace(array('/[a-zA-Z]/','/ /','/,/'),array('','','.'),$val);
if (preg_match('/[0-9]*(\.[0-9]+)?/',$val)) {
return $val;
} else {
return 0;
}
}
}
/**
* Date variable
* @since 0.1
*/
class VarDte extends VarAbstract
{
public static function sanitize($val, &$info) {
if (empty($val)) {
return '0000-00-00';
}
if (preg_match('/^[0|2|9][0|1|9][0-9]{2}\-[0-1][0-9]\-[0-3][0-9]$/', $val)) {
return $val;
}
if (!$GLOBALS['config']['datetime']['us_format']) {
// try to parse non US format (dd/mm/yy)
if (preg_match('/^([0-3]?[0-9])\/([0-1][0-9])(\/(20)?[0-9]{2})?$/',$val, $arr)) {
if (empty($arr[3])) {
$arr[3] = APP_YEAR;
} else if (strlen($arr[3]) == 2) {
$arr[3] = substr(APP_YEAR,0,2).substr($arr[3],1);
} else {
$arr[3] = substr($arr[3],1);
}
return $arr[3].'-'.$arr[2].'-'.$arr[1];
}
}
// try human readable formats (english only)
if ($t = self::strToUnix($val)) {
return strftime(APP_DATE_SQL, $t);
}
$info['error'] = 'model_date_invalid';
return false;
}
public static function html($val, $format='', $default='') {
if (!$format) {
$format = $format = $GLOBALS['config']['datetime']['us_format']?APP_DATE_USA:APP_DATE_EUR;;
}
$t = VarDte::strToUnix($val);
if ($t === false) {
return '/!\\';
}
if ($t) {
return strftime($format, $t);
} else {
return $default;
}
// -TODO- back as human readable format
// -TODO- and in different formats, possibly
return $val;
}
public static function value($val) {
if (empty($val) || preg_match('/^(0000|9999)\-00\-00/',$val)) {
return '';
}
$arr = explode('-',$val);
// -TODO- US format inverts day and month
// -TODO- might want to use another separator instead of /
$str = $arr[2].'/'.$arr[1].'/'.$arr[0];
return $str;
}
public static function strToUnix($val) {
if (!$val || preg_match('/^(0000|9999)/',$val)) {
return 0;
}
$t = strtotime($val);
if ($t === false) {
return false;
}
return $t;
}
}
/**
* Duration Variable (stored as number of seconds)
* @since 0.1
*/
class VarDur extends VarAbstract
{
public static function sanitize($val, &$info) {
if (empty($val)) {
return 0;
}
if (preg_match('/^[0-9]+$/', $val)) {
// just a number of seconds
return intval($val);
} else if (preg_match('/^([0-2]?[0-9])\:([0-5][0-9])(\:([0-5][0-9]))?$/', $val, $arr)) {
$t = 0;
switch(count($arr)) {
case 5:
// seconds
$t += intval($arr[4]);
case 3:
// minutes
$t += intval($arr[2])*60;
$t += intval($arr[1])*3600;
}
return $t;
} else {
$info['error'] = 'model_time_invalid';
return false;
}
}
public static function html($val) {
return self::workout($val);
}
public static function value($val) {
return self::workout($val);
}
/**
* format a number of seconds into HH:MM:SS
* @todo enable callbacks to round up seconds if not showing
*/
public static function workout($val, $seconds=true) {
$h = floor($val / 3600);
$m = floor($val / 60) - ($h*60);
$s = $val - ($h*3600 + $m*60);
if ($seconds) {
return str_pad($h, 2, '0',STR_PAD_LEFT)
.':'.str_pad($m, 2, '0',STR_PAD_LEFT)
.':'.str_pad($s, 2, '0',STR_PAD_LEFT);
} else {
if ($s) {
// -TODO- add callback to round up seconds
$m++;
}
return str_pad($h, 2, '0',STR_PAD_LEFT)
.':'.str_pad($m, 2, '0',STR_PAD_LEFT);
}
}
}
/**
* Time Variable (stored in GMT)
* @since 0.1
*/
class VarTim extends VarDur
{
public static function sanitize($val, &$info) {
if (empty($val)) {
return 0;
}
if (preg_match('/^[0-9]+$/', $val)) {
// number of seconds, must be coming from SQL
return intval($val);
}
if (preg_match('/^([0-2]?[0-9])\:([0-5][0-9])(\:([0-5][0-9]))?$/', $val, $arr)) {
// coming from a form
$t = 0;
switch(count($arr)) {
case 5:
// seconds
$t += intval($arr[4]);
case 3:
// minutes
$t += intval($arr[2])*60;
$t += intval($arr[1])*3600;
}
// now make GMT
return $t - self::getUserTimeZoneOffset();
}
$info['error'] = 'model_time_invalid';
return false;
}
/**
* work on date to return human readable value
* considers user's time zone
*/
public static function workout($val, $seconds=true) {
$val += self::getUserTimeZoneOffset();
return parent::workout($val);
}
}
/**
* Date / Time Variable
* @todo form field format
* @since 0.1
*/
class VarDtm extends VarAbstract
{
public static function sanitize($val, &$info) {
if (empty($val)) {
return '0000-00-00 00:00:00';
}
if (preg_match('/^[0|2|9][0|1|9][0-9]{2}\-[0-1][0-9]\-[0-3][0-9]( ([0-2][0-9]\:[0-5][0-9])(\:[0-5][0-9])?)?$/', $val)) {
// SQL format, return it as it is
return $val;
}
if ($val == 'NOW') {
return APP_SQL_NOW;
}
$d = '';
$t = 0;
$arr = explode(' ',$val);
foreach($arr as $v) {
if ($tmp = VarTim::sanitize($v, $err)) {
$t = $tmp;
} else if ($tmp = VarDte::sanitize($v, $err)) {
$d = $tmp;
}
}
if ($d && is_integer($t)) {
$dh = 3600*24;
if ($t < 0) {
// got to go one day back
$d = strftime(APP_DATE_SQL,strtotime($d)-$dh);
$t = $dh+$t; // + means - as $t is < 0
} else if ($t > $dh) {
// got to move on one day
$d = strftime(APP_DATE_SQL,strtotime($d)+$dh);
$t = $t-$dh;
}
// return datetime in SQL format
return $d.' '.VarDur::workout($t);
}
$info['error'] = 'model_datetime_invalid';
return false;
}
public static function get($val) {
return $val;
}
public static function html($val, $format='', $default='') {
if (!$format) {
$format = $GLOBALS['config']['datetime']['us_format']?APP_DATETIME_USA:APP_DATETIME_EUR;
}
$t = VarDtm::strToUnix($val);
if ($t === false) {
return '/!\\';
}
if ($t) {
return strftime($format, $t);
} else {
return $default;
}
return $val;
}
public static function value($val) {
// -TODO- back as form readable value
return $val;
}
public static function strToUnix($val) {
if (!$val || preg_match('/^(0000|9999)/',$val)) {
return 0;
}
$t = strtotime($val);
if ($t === false) {
return false;
}
$t += self::getUserTimeZoneOffset();
return $t;
}
/**
* work on date format to return human readable value
*/
public static function workout($val, $seconds=true) {
$val += self::getUserTimeZoneOffset();
return parent::workout($val);
}
}
/**
* String Variable
* @since 0.1
* @todo Check the workout and specialchars methods
*/
class VarStr extends VarAbstract
{
public static function sanitize($val, &$info) {
if (is_array($val)) {
throw new AppException('VarStr Sanitize Hell : '.implode(', ',$val));
}
return strip_tags($val);
}
public static function html($val) {
return self::specialchars($val);
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
public static function workout($value, $cut = 0, $pos = 1) {
return $value;
// -TODO-
if (is_int($arg[1])) {
$cut = $arg[1];
$pos++;
}
$default = $arg[$pos++];
$style = $arg[$pos];
$value = self::sanitize($value);
if ($cut) {
$value = str_replace("\r\n"," ",$value);
if (($cut > 2) && (strlen($value) > $cut)) {
$value = trim(substr($value,0,($cut-2)))."..";
}
}
return $value;
}
public static function specialchars($val) {
if (is_array($val)) {
throw new AppException('VarStr SpecialChars Hell : '.implode(', ',$val));
}
switch ($GLOBALS['config']['lang']['specialchars']) {
case 3:
$val = htmlentities($val);
break;
case 2:
$val = htmlspecialchars($val);
break;
case 1:
default:
$spe = array('&','<','>');
$sfe = array('&amp;','&lt;','&gt;');
$val = str_replace($spe,$sfe,$val);
break;
}
return str_replace('"','&quot;',$val);
}
}
/**
* Username variable - simple text, no special chars, no spaces
* @since 0.1
*/
class VarUsr extends VarAbstract
{
public static function sanitize($val, &$info) {
if (!$val && in_array('compulsory', $info)) {
$info['error'] = 'user_name_invalid';
return false;
}
if ((strlen($val) < APP_USER_NAME_MIN)
|| (strlen($val) > APP_USER_NAME_MAX)) {
$info['error'] = 'user_name_length';
return false;
} else if (preg_match(APP_USER_SANITIZE, $val)) {
return $val;
} else {
$info['error'] = 'user_name_invalid';
return false;
}
return $val;
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
}
/**
* Password variable
* @since 0.1
*/
class VarPss extends VarAbstract
{
public static function sanitize($val, &$info) {
if (empty($val)) {
if (in_array('compulsory',$info)) {
$info['error'] = 'password_required';
return false;
} else {
return true;
}
}
if (preg_match(APP_PASSWORD_SANITIZE, $val)) {
return $val;
} else {
$info['error'] = 'password_invalid';
return false;
}
return $val;
}
}
/**
* Text Variable - unformatted
* @since 0.1
*/
class VarTxt extends VarAbstract
{
public static function sanitize($val, &$info) {
return preg_replace("/<script[^>]*>[^<]+<\/script[^>]*>/is","", $val);
}
public static function html($val, $cut=0) {
if ($cut && $cut < strlen($val)) {
$val = substr($val,0,$cut).' [...]';
}
return nl2br(VarStr::specialchars($val));
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
}
/**
* Text Variable - simple style
* @since 0.1
*/
class VarBbs extends VarAbstract
{
public static function sanitize($val, &$info) {
$val = preg_replace("/<script[^>]*>[^<]+<\/script[^>]*>/is"
,"", $val);
$val = preg_replace("/<\/?(div|span|iframe|frame|input|"
."textarea|script|style|applet|object|param|embed|form)[^>]*>/is"
,"", $val);
return $val;
}
public static function html($val, $cut=0) {
if ($cut) {
$val = strip_tags($val);
if ($cut < strlen($val)) {
$val = substr($val,0,$cut).' [...]';
}
} else {
$val = preg_replace("/(?<!\")((http|ftp)+(s)?"
.":\/\/[^<>\s]+)/i", "<a href=\"\\0\" target=\"_blank\">\\0</a>", $val);
}
return nl2br(str_replace('"','&quot;',$val));
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
}
/**
* Text Variable - Full HTML (but no scripting)
* @since 0.1
*/
class VarHtm extends VarAbstract
{
public static function sanitize($val, &$info) {
$val = preg_replace("/<script[^>]*>[^<]+<\/script[^>]*>/is","", $val);
return $val;
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
}
/**
* Text Variable - Full HTML (even scripting)
* better be careful with that one ! really not secure...
* @since 0.1
*/
class VarXml extends VarAbstract
{
public static function sanitize($val, &$info) {
return $val;
}
public static function value($val) {
return str_replace('"','&quot;',$val);
}
}
/**
* URL Variable - URL Address
* @since 0.1
*/
class VarUrl extends VarAbstract
{
public static function sanitize($val, &$info) {
$val = trim($val);
if ($val && (!preg_match("/^(http|https|ftp)?:\/\//i",$val))) {
$val = "http://".$val;
}
if ($val == "http://") {
$val = "";
}
// -TODO- check if URL is valid
return $val;
}
public static function html($val) {
// -TODO- might want to create a link there
return $val;
}
}
/**
* Email Variable
* @since 0.1
*/
class VarEml extends VarAbstract
{
public static function sanitize($val, &$info) {
if (empty($val) || preg_match("/^[a-z0-9]([a-z0-9_\-\.\+]*)@([a-z0-9_\-\.]*)\.([a-z]{2,4})$/i",$val)) {
return $val;
} else {
$info['error'] = 'model_email_invalid'; // -TODO-TRANSLATE-
return '';
}
}
public static function html($val) {
// -TODO- might want to create a link there
return $val;
}
}
/**
* Document Variable
* @todo Everything
* @since 0.4
*/
class VarDoc extends VarAbstract
{
public static function sanitize($val, &$info) {
// -TODO-
}
public static function get($val) {
// -TODO-
}
public static function html($val) {
// -TODO-
}
public static function value($val) {
// -TODO-
}
}
/**
* Image Variable
* @todo Everything
* @since 0.4
*/
class VarImg extends VarAbstract
{
public static function sanitize($val, &$info) {
// -TODO-
}
public static function get($val) {
// -TODO-
}
public static function html($val) {
// -TODO-
}
public static function value($val) {
// -TODO-
}
}
/**
* Boolean Variable - Just one or zero, true or false
* @since 0.4
*/
class VarBol extends VarAbstract
{
public static function sanitize($val, &$info) {
return ($val)?1:0;
}
}
/**
* Level Variable - Used for preferences, rights and switches
* @todo Everything
* @since 0.5
*/
class VarLvl extends VarAbstract
{
public static function sanitize($val, &$info) {
// -TODO-
return intval($val);
}
public static function get($val) {
// -TODO-
return $val;
}
public static function html($val) {
// -TODO-
return $val;
}
public static function value($val) {
// -TODO-
return $val;
}
}
/**
* Level Variable - Used for preferences, rights and switches
* @since 0.1
*/
class VarObj extends VarAbstract
{
public static function sanitize($val, &$info) {
echo 'VarObj::sanitize should not be called';
exit;
}
public static function html($val) {
throw new AppException('can not render object');
}
public static function value($val) {
throw new AppException('can not render object');
}
}
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