utility.inc.php | searchcode

/lib/utility.inc.php

https://github.com/awriel/s3st15_matoa
PHP | 297 lines | 170 code | 32 blank | 95 comment | 51 complexity | 4f847a186f8cdc35caad2d52796008b8 MD5 | raw file

<?php

/**

 * utility class

 * A Collection of static utility methods

 *

 * Copyright (C) 2007,2008  Arie Nugraha (dicarve@yahoo.com)

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */



// be sure that this file not accessed directly

if (!defined('INDEX_AUTH')) {

    die("can not access this file directly");

} elseif (INDEX_AUTH != 1) {

    die("can not access this file directly");

}



class utility

{

    /**

     * Static Method to send out javascript alert

     *

     * @param   string  $str_message

     * @return  void

     */

    public static function jsAlert($str_message)

    {

        if (!$str_message) {

            return;

        }



        // replace newline with javascripts newline

        $str_message = str_replace("\n", '\n', $str_message);

        echo '<script type="text/javascript">'."\n";

        echo 'alert("'.addslashes($str_message).'")'."\n";

        echo '</script>'."\n";

    }





    /**

     * Static Method to load application settings from database

     *

     * @param   object  $obj_db

     * @return  void

     */

    public static function loadSettings($obj_db)

    {

        global $sysconf;

        $_setting_query = $obj_db->query('SELECT * FROM setting');

        if (!$obj_db->errno) {

            while ($_setting_data = $_setting_query->fetch_assoc()) {

                $_value = unserialize($_setting_data['setting_value']);

                if (is_array($_value)) {

                    foreach ($_value as $_idx=>$_curr_value) {

                        $sysconf[$_setting_data['setting_name']][$_idx] = $_curr_value;

                    }

                } else {

                    $sysconf[$_setting_data['setting_name']] = $_value;

                }

            }

        }

    }





    /**

     * Static Method to check privileges of application module form current user

     *

     * @param   string  $str_module_name

     * @param   string  $str_privilege_type

     * @return  boolean

     */

    public static function havePrivilege($str_module_name, $str_privilege_type = 'r')

    {

        // checking checksum

        $server_addr = isset($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : $_SERVER['LOCAL_ADDR'];

        $_checksum = defined('UCS_BASE_DIR')?md5($server_addr.UCS_BASE_DIR.'admin'):md5($server_addr.SENAYAN_BASE_DIR.'admin');

        if ($_SESSION['checksum'] != $_checksum) {

            return false;

        }

        // check privilege type

        if (!in_array($str_privilege_type, array('r', 'w'))) {

            return false;

        }

        if (isset($_SESSION['priv'][$str_module_name][$str_privilege_type]) AND $_SESSION['priv'][$str_module_name][$str_privilege_type]) {

            return true;

        }

        return false;

    }





    /**

     * Static Method to write application activities logs

     *

     * @param   object  $obj_db

     * @param   string  $str_log_type

     * @param   string  $str_value_id

     * @param   string  $str_location

     * @param   string  $str_log_msg

     * @return  void

     */

    public static function writeLogs($obj_db, $str_log_type, $str_value_id, $str_location, $str_log_msg)

    {

        if (!$obj_db->error) {

            // log table

            $_log_date = date('Y-m-d H:i:s');

            $_log_table = 'system_log';

            // filter input

            $str_log_type = $obj_db->escape_string(trim($str_log_type));

            $str_value_id = $obj_db->escape_string(trim($str_value_id));

            $str_location = $obj_db->escape_string(trim($str_location));

            $str_log_msg = $obj_db->escape_string(trim($str_log_msg));

            // insert log data to database

            @$obj_db->query('INSERT INTO '.$_log_table.'

            VALUES (NULL, \''.$str_log_type.'\', \''.$str_value_id.'\', \''.$str_location.'\', \''.$str_log_msg.'\', \''.$_log_date.'\')');

        }

    }





    /**

     * Static Method to get an ID of database table record

     *

     * @param   object  $obj_db

     * @param   string  $str_table_name

     * @param   string  $str_id_field

     * @param   string  $str_value_field

     * @param   string  $str_value

     * @param   array   $arr_cache

     * @return  mixed

     */

    public static function getID($obj_db, $str_table_name, $str_id_field, $str_value_field, $str_value, &$arr_cache = false)

    {

        $str_value = trim($str_value);

        if ($arr_cache) {

            if (isset($arr_cache[$str_value])) {

                return $arr_cache[$str_value];

            }

        }

        if (!$obj_db->error) {

            $id_q = $obj_db->query('SELECT '.$str_id_field.' FROM '.$str_table_name.' WHERE '.$str_value_field.'=\''.$obj_db->escape_string($str_value).'\'');

            if ($id_q->num_rows > 0) {

                $id_d = $id_q->fetch_row();

                unset($id_q);

                // cache

                if ($arr_cache) {

                    $arr_cache[$str_value] = $id_d[0];

                }

                return $id_d[0];

            } else {

                $_curr_date = date('Y-m-d');

                // if not found then we insert it as new value

                $obj_db->query('INSERT IGNORE INTO '.$str_table_name.' ('.$str_value_field.', input_date, last_update)

                    VALUES (\''.$obj_db->escape_string($str_value).'\', \''.$_curr_date.'\', \''.$_curr_date.'\')');

                if (!$obj_db->error) {

                    // cache

                    if ($arr_cache) {

                        $arr_cache[$str_value] = $obj_db->insert_id;

                    }

                    return $obj_db->insert_id;

                }

            }

        }

    }





    /**

     * Static method to detect mobile browser

     * Some Patches by Indra Sutriadi

     *

     * @return  boolean

     * this script is taken from http://mobiforge.com/developing/story/lightweight-device-detection-php

     **/

    public static function isMobileBrowser()

    {

        $_is_mobile_browser = '0';



        if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone)/i', strtolower(@$_SERVER['HTTP_USER_AGENT']))) {

            $_is_mobile_browser++;

        }



        if((strpos(strtolower(@$_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml')>0) or ((isset($_SERVER['HTTP_X_WAP_PROFILE']) or isset($_SERVER['HTTP_PROFILE'])))) {

            $_is_mobile_browser++;

        }



        $_mobile_ua = strtolower(substr(@$_SERVER['HTTP_USER_AGENT'],0,4));

        $_mobile_agents = array(

            'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac',

            'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',

            'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-',

            'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',

            'newt','noki','palm','pana','pant','phil','play','port','prox',

            'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',

            'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-',

            'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',

            'wapr','webc','winw','winw','xda','xda-');



        if(in_array($_mobile_ua, $_mobile_agents)) {

            $_is_mobile_browser++;

        }



        if (isset($_SERVER['ALL_HTTP']) && strpos(strtolower($_SERVER['ALL_HTTP']),'operamini')>0) {

            $_is_mobile_browser++;

        }



        if (strpos(strtolower(@$_SERVER['HTTP_USER_AGENT']),' ppc;')>0) {

            $_is_mobile_browser++;

        }



        if (strpos(strtolower(@$_SERVER['HTTP_USER_AGENT']),'windows ce')>0) {

            $_is_mobile_browser++;

        }



        if (strpos(strtolower(@$_SERVER['HTTP_USER_AGENT']),'windows')>0) {

            $_is_mobile_browser=0;

        }



        if (strpos(strtolower(@$_SERVER['HTTP_USER_AGENT']),'iemobile')>0) {

            $_is_mobile_browser++;

        }



        if (strpos(strtolower(@$_SERVER['HTTP_ACCEPT']),'j2me')>0 || strpos(strtolower(@$_SERVER['HTTP_ACCEPT']),'midp')>0) {

            $_is_mobile_browser++;

        }



        if (isset($_SERVER['HTTP_X_OPERAMINI_PHONE'])) {

            $_is_mobile_browser++;

        }



        if ($_is_mobile_browser > 0) {

            return true;

        }

        return false;

    }





    /**

     * Static method to check if member already logged in or not

     *

     * @return  boolean

     **/

    public static function isMemberLogin()

    {

        $_logged_in = false;

        $_logged_in = isset($_SESSION['mid']) && isset($_SESSION['m_name']) && isset($_SESSION['m_email']);

        return $_logged_in;

    }





    /**

     * Static method to filter data

     *

     * @param   mixed   $mix_input: input data

     * @param   string  $str_input_type: input type

     * @param   boolean $bool_trim: are input string trimmed

     *

     * @return  mixed

     **/

    public static function filterData($mix_input, $str_input_type = 'get', $bool_escape_sql = true, $bool_trim = true, $bool_strip_html = false) {

        global $dbs;



        if (extension_loaded('filter')) {

            if ($str_input_type == 'var') {

                $mix_input = filter_var($mix_input, FILTER_SANITIZE_STRING);

            } else if ($str_input_type == 'post') {

                $mix_input = filter_input(INPUT_POST, $mix_input);

            } else if ($str_input_type == 'cookie') {

                $mix_input = filter_input(INPUT_COOKIE, $mix_input);

            } else if ($str_input_type == 'session') {

                $mix_input = filter_input(INPUT_SESSION, $mix_input);

            } else {

                $mix_input = filter_input(INPUT_GET, $mix_input);

            }

        }

        

        // trim whitespace on string

        if ($bool_trim) { $mix_input = trim($mix_input); }

        // strip html

        if ($bool_strip_html) { $mix_input = strip_tags($mix_input); }

        // escape SQL string

        if ($bool_escape_sql) { $mix_input = $dbs->escape_string($mix_input); }



        return $mix_input;

    }

}

?>