Password reset mail could take several hours. After fix only a couple of seconds...
[fa-stable.git] / includes / current_user.inc
index d180d0fbd5e6c8fe049192e5d999951decd178f5..c3d162e037e1d440175cfd6f6118f0a6c2b01d46 100644 (file)
@@ -9,31 +9,42 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
 ***********************************************************************/
-include_once($path_to_root . "/includes/prefs/userprefs.inc");
 
+include_once($path_to_root . "/includes/prefs/userprefs.inc");
+if (!defined('TB_PREF')) {
+       define('TB_PREF', '&TB_PREF&');
+}
 //--------------------------------------------------------------------------
 
 class current_user
 {
-
+       var $user = 0;
        var $loginname;
        var $username;
-       var     $name;
-       var $company;
+       var $name;
+       var $email;
+       var $company; // user's company
        var $pos;
        var $access;
-
+       var $timeout;
+       var $last_act;
+       var $role_set = false;
+       var $old_db;
        var $logged;
        var $ui_mode = 0;
        
        var $prefs;
+       var $cur_con; // current db connection (can be different from $company for superuser)
 
-       function current_user()
+       function __construct()
        {
-               $this->loginname = $username = $this->name = $this->company = "";
+               global $def_coy;
+               
+               $this->loginname = $this->username = $this->name = "";
+               $this->company = isset($def_coy)? $def_coy : 0;
                $this->logged = false;
 
-               $this->prefs = null;
+               $this->prefs = new user_prefs();
        }
 
        function logged_in()
@@ -43,81 +54,241 @@ class current_user
 
        function set_company($company)
        {
-               $this->company = $company;
+               $this->company = (int)$company;
        }
 
        function login($company, $loginname, $password)
        {
+               global $security_areas, $security_groups, $security_headings, $path_to_root, $dflt_lang, $SysPrefs;
+
                $this->set_company($company);
+           $this->logged = false;
 
-               $Auth_Result = get_user_for_login($loginname, $password);
+               set_global_connection($company);
+               $lang = &$_SESSION['language'];
+               $lang->set_language($_SESSION['language']->code);
+               db_set_encoding($_SESSION['language']->encoding);
 
-               if (db_num_rows($Auth_Result) > 0)
-               {
-            $myrow = db_fetch($Auth_Result);
+               // Use external authentication source if any.
+               // Keep in mind you need to have user data set for $loginname
+               // in FA users table anyway to successfully log in.
+               $Auth_Result = hook_authenticate($loginname, $password);
+
+               if (!isset($Auth_Result))       // if not used: standard method
+                       $Auth_Result = get_user_auth($loginname, md5($password));
+
+               if ($SysPrefs->login_delay > 0)
+                       write_login_filelog($loginname, $Auth_Result);
 
-                   $this->access = $myrow["full_access"];
+               if ($Auth_Result)
+               {
+                       $myrow = get_user_by_login($loginname);
+                       if ($myrow['language'] != $dflt_lang)
+                       {        // refresh language and user data
+                               $lang->set_language($myrow['language']);
+                               db_set_encoding($_SESSION['language']->encoding);
+                               $myrow = get_user_by_login($loginname);
+                       }
+
+                       $this->old_db = isset($myrow["full_access"]);
+                       if (! @$myrow["inactive"]) {
+                               if ($this->old_db) { 
+                                       // Transition code:
+                                       // db was not yet upgraded after source update to v.2.2
+                                       // give enough access for admin user to continue upgrade
+                                       if (!isset($security_groups) || !isset($security_headings)) {
+                                               echo "<center><br><br><font size='5' color='red'><b>";
+                                               echo _('Before software upgrade you have to include old $security_groups and $security_headings arrays from old config.php file to the new one.');
+                                               echo '<br>'."<a href=$path_to_root/index.php>"._("Back")."</a>";
+                                               echo "</b></font><br><br></center>";
+                                               exit;
+                                       }
+                           $this->access = $myrow["full_access"];
+                           if (in_array(20, $security_groups[$this->access]))
+                                               // temporary access for admin users
+                                               $this->role_set[] = $security_areas['SA_SOFTWAREUPGRADE'][0];
+                                       else {
+                                               echo "<center><br><br><font size='5' color='red'><b>";
+                                               echo _('System is available for site admin only until full database upgrade');
+                                               echo "</b></font><br><br></center>";
+                                               exit;
+                                       }
+                       } else {
+                                       $this->role_set = array();
+                           $this->access = $myrow["role_id"];
+                                       // store area codes available for current user role
+                                       $role = get_security_role($this->access);
+                                       if (!$role) 
+                                               return false;
+                                       foreach( $role['areas'] as $code )
+                                               // filter only area codes for enabled security sections
+                                               if (in_array($code&~0xff, $role['sections'])) 
+                                                       $this->role_set[] = $code;
+                       }
                    $this->name = $myrow["real_name"];
                    $this->pos = $myrow["pos"];
                    $this->loginname = $loginname;
                    $this->username = $this->loginname;
                    $this->prefs = new user_prefs($myrow);
-
-                   update_user_visitdate($loginname);
-                   $this->logged = true;
-
+                   $this->user = @$myrow["id"];
+                $this->email = @$myrow["email"];
+                       update_user_visitdate($this->username);
+                       $this->logged = true;
+                               $this->last_act = time();
+                               $this->timeout = session_timeout();
+                               flush_dir(user_js_cache()); // refresh cache on login
+                       }
                }
-               else
-               {
-                       $this->logged = false;
-               }
-
                return $this->logged;
        }
 
+       function reset_password($company, $email) {
+               global $SysPrefs;
+
+               $this->set_company($company);
+               $this->logged = false;
+
+               set_global_connection();
+
+               $user = get_user_by_email($email);
+
+               if ($user != false) {
+
+                       $password = generate_password();
+                       $hash = md5($password);
+
+                       update_user_password($user['id'], $user['user_id'], $hash);
+                       
+                       $sender = get_company_pref('email');
+                       if (empty($sender))
+                               $header = "";
+                       else
+                               $header = "From: $sender";
+
+                       mail($email, _("New password for")." ".$SysPrefs->app_title, $password, $header);
+
+                       return true;
+               }
+               return false;
+    }
+
        function check_user_access()
        {
                global $security_groups;
-               return is_array($security_groups[$this->access]);
+               if ($this->old_db) {
+                       // notification after upgrade from pre-2.2 version
+                       return isset($security_groups) && is_array(@$security_groups[$this->access]);
+               } else
+                       return !isset($security_groups) && is_array($this->role_set);
+       }
+
+       function can_access($sec_area)
+       {
+               global $security_groups, $security_areas;
+               if (isset($security_groups)) {
+                       return is_admin_company() &&
+                               in_array(20, $security_groups[$this->access]);
+               }
+
+               if ($sec_area === 'SA_OPEN') 
+                       return true;
+               if ($sec_area === 'SA_DENIED' || $sec_area === '') 
+                       return false;
+
+               $code = $security_areas[$sec_area][0];
+
+               // only first registered company has site admin privileges
+               return $code && in_array($code, $this->role_set)
+                       && ($this->company == 0 || (($code&~0xff) != SS_SADMIN));
        }
 
        function can_access_page($page_level)
        {
-               global $security_groups;
-               // first registered company has site admin privileges
-               return isset($page_level) && in_array($page_level, $security_groups[$this->access])
-                       && ($this->company == 0 || $page_level != 20); 
+               return $this->can_access($page_level);
+       }
+
+       function check_application_access($waapp)
+       {
+               if (!$this->hide_inaccessible_menu_items())
+               {
+                       return true;
+               }
+
+               foreach ($waapp->modules as $module)
+               {
+                       if ($this->check_module_access($module))
+                       {
+                               return true;
+                       }
+               }
+
+               return false;
+
        }
 
-       function get_db_connection()
+       function check_module_access($module)
        {
-       global $db_connections;
 
-       $connection = $db_connections[$this->company];
+               if (!$this->hide_inaccessible_menu_items())
+               {
+                       return true;
+               }
 
-       //print_r($connection);
+               if (sizeof($module->lappfunctions) > 0)
+               {
+                       foreach ($module->lappfunctions as $appfunction)
+                       {
+                               if ($appfunction->label != "" && $this->can_access_page($appfunction->access))
+                               {
+                                       return true;
+                               }
+                       }
+               }
 
-       $db = mysql_connect($connection["host"] ,
-               $connection["dbuser"], $connection["dbpassword"]);
-       mysql_select_db($connection["dbname"],$db);
+               if (sizeof($module->rappfunctions) > 0)
+               {
+                       foreach ($module->rappfunctions as $appfunction)
+                       {
+                               if ($appfunction->label != "" && $this->can_access_page($appfunction->access))
+                               {
+                                       return true;
+                               }
+                       }
+               }
 
-               if (!defined('TB_PREF'))
-                       define('TB_PREF', $connection["tbpref"]);
+               return false;
 
-       return $db;
        }
 
-       function update_prefs($price_dec, $qty_dec, $exrate_dec, $percent_dec, 
-               $showgl, $showcodes, $date_format, $date_sep, $tho_sep, $dec_sep, 
-               $theme, $pagesize, $show_hints, $profile, $rep_popup, $query_size, $graphic_links) {
-               update_user_display_prefs($this->username, $price_dec, 
-                       $qty_dec, $exrate_dec, $percent_dec, $showgl, $showcodes, 
-                       $date_format, $date_sep, $tho_sep, $dec_sep, $theme, $pagesize, 
-                       $show_hints, $profile, $rep_popup, $query_size, $graphic_links);
-
-               // re-read the prefs
-               $user = get_user($this->username);
-               $this->prefs = new user_prefs($user);
+       function hide_inaccessible_menu_items()
+       {
+               global $SysPrefs;
+
+               if (!isset($SysPrefs->hide_inaccessible_menu_items) || $SysPrefs->hide_inaccessible_menu_items == 0)
+               {
+                       return false;
+               }
+
+               else
+               {
+                       return true;
+               }
+       }
+
+       function set_db_connection($id = -1)
+       {
+               return set_global_connection($id);
+       }
+
+       function update_prefs($prefs)
+       {
+               global $SysPrefs;
+
+               if (!$SysPrefs->allow_demo_mode) {
+                       update_user_prefs($this->user, $prefs);
+               }
+
+               $this->prefs = new user_prefs(get_user($this->user));
        }
 }
 
@@ -125,19 +296,50 @@ class current_user
 
 function round2($number, $decimals=0)
 {
-       $delta = ($number < 0 ? -.000001 : .000001);
+       $delta = ($number < 0 ? -.0000000001 : .0000000001);
        return round($number+$delta, $decimals);
 }
 
+/*
+       Returns number formatted according to user setup and using $decimals digits after dot 
+       (defualt is 0). When $decimals is set to 'max' maximum available precision is used 
+       (decimals depend on value) and trailing zeros are trimmed.
+*/
 function number_format2($number, $decimals=0)
 {
-       global $thoseps, $decseps;
-       $tsep = $thoseps[$_SESSION["wa_current_user"]->prefs->tho_sep()];
-       $dsep = $decseps[$_SESSION["wa_current_user"]->prefs->dec_sep()];
-       //return number_format($number, $decimals, $dsep,       $tsep);
-       $delta = ($number < 0 ? -.000001 : .000001);
-       return number_format($number+$delta, $decimals, $dsep,  $tsep);
+       global $SysPrefs;
+       $tsep = $SysPrefs->thoseps[user_tho_sep()];
+       $dsep = $SysPrefs->decseps[user_dec_sep()];
+
+       if ($number == '')
+               $number = 0;
+       if($decimals==='max')
+               $dec = 15 - floor(log10(abs($number)));
+       else {
+               $delta = ($number < 0 ? -.0000000001 : .0000000001);
+               @$number += $delta;
+               $dec = $decimals;
+       }
+
+       $num = number_format($number, intval($dec), $dsep, $tsep);
+
+       return $decimals==='max' ? rtrim($num, '0') : $num;
+
 }
+
+/* price/float comparision helper to be used in any suspicious place for zero values? 
+usage:
+if (!floatcmp($value1, $value2)) 
+       compare value is 0
+*/
+
+define('FLOAT_COMP_DELTA', 0.004);
+
+function floatcmp($a, $b)
+{
+    return $a - $b > FLOAT_COMP_DELTA ? 1 : ($b - $a > FLOAT_COMP_DELTA ? -1 : 0);
+}
+
 //
 //     Current ui mode.
 //
@@ -146,15 +348,38 @@ function fallback_mode() {
 }
 
 function price_format($number) {
-    return number_format2($number,
-       $_SESSION["wa_current_user"]->prefs->price_dec());
+    return number_format2($number, user_price_dec());
+}
+
+function price_decimal_format($number, &$dec)
+{
+       $dec = user_price_dec();
+       $str = strval($number);
+       $pos = strpos($str, '.');
+       if ($pos !== false)
+       {
+               $len = strlen(substr($str, $pos + 1));
+               if ($len > $dec && $len < ini_get('precision')-3)
+                       $dec = $len;
+       }
+       return number_format2($number, $dec);
 }
+// function money_format doesn't exist in OS Win.
+if (!function_exists('money_format'))
+{
+       function money_format($format, $number) 
+       {
+               return price_format($number);
+       } 
+}      
+
 // 2008-06-15. Added extra parameter $stock_id and reference for $dec
 //--------------------------------------------------------------------
 function qty_format($number, $stock_id=null, &$dec) {
        $dec = get_qty_dec($stock_id);
     return number_format2($number, $dec);
 }
+
 // and get_qty_dec
 function get_qty_dec($stock_id=null)
 {
@@ -163,10 +388,17 @@ function get_qty_dec($stock_id=null)
        if ($stock_id != null)
                $dec = get_unit_dec($stock_id);
        if ($stock_id == null || $dec == -1 || $dec == null)
-               $dec = $_SESSION["wa_current_user"]->prefs->qty_dec();
+               $dec = user_qty_dec();
        return $dec;
 }
 //-------------------------------------------------------------------
+//
+//     Maximum precision format. Strips trailing unsignificant digits.
+//
+function maxprec_format($number) {
+    return number_format2($number, 'max');
+}
+
 function exrate_format($number) {
     return number_format2($number,
        $_SESSION["wa_current_user"]->prefs->exrate_dec());
@@ -178,27 +410,31 @@ function percent_format($number) {
 }
 
 function user_numeric($input) {
-    global $decseps, $thoseps;
+    global $SysPrefs;
 
     $num = trim($input);
-    $sep = $thoseps[user_tho_sep()];
-    if($sep!='') $num = str_replace( $sep, '', $num);
-       str_replace($sep, '', $num);
-    $sep = $decseps[user_dec_sep()];
-    if($sep!='.') $num = str_replace( $sep, '.', $num);
+    $sep = $SysPrefs->thoseps[user_tho_sep()];
+    if ($sep!='')
+       $num = str_replace( $sep, '', $num);
+
+    $sep = $SysPrefs->decseps[user_dec_sep()];
+    if ($sep!='.')
+       $num = str_replace( $sep, '.', $num);
 
     if (!is_numeric($num))
-         return false;
+               return false;
     $num = (float)$num;
     if ($num == (int)$num)
-         return (int)$num;
+               return (int)$num;
     else
-         return $num;
+               return $num;
 }
 
 function user_company()
 {
-       return $_SESSION["wa_current_user"]->company;
+       global $def_coy;
+       
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->company : $def_coy;
 }
 
 function user_pos()
@@ -218,17 +454,23 @@ function user_qty_dec()
 
 function user_price_dec()
 {
-       return $_SESSION["wa_current_user"]->prefs->price_dec();
+       global $SysPrefs;
+
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->price_dec() : 2;
 }
 
 function user_exrate_dec()
 {
-       return $_SESSION["wa_current_user"]->prefs->exrate_dec();
+       global $SysPrefs;
+
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->exrate_dec() : 4;
 }
 
 function user_percent_dec()
 {
-       return $_SESSION["wa_current_user"]->prefs->percent_dec();
+       global $SysPrefs;
+
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->percent_dec() : 1;
 }
 
 function user_show_gl_info()
@@ -243,32 +485,56 @@ function user_show_codes()
 
 function user_date_format()
 {
-       return $_SESSION["wa_current_user"]->prefs->date_format();
+       global $SysPrefs;
+
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->date_format() : $SysPrefs->dflt_date_fmt;
 }
 
 function user_date_display()
 {
-       return $_SESSION["wa_current_user"]->prefs->date_display();
+       $fmt ='m/d/Y';
+       if (isset($_SESSION["wa_current_user"])) {
+               $fmt = $_SESSION["wa_current_user"]->prefs->date_display();
+       } else {
+               $sep = user_date_sep();
+               $user_date_fmt = user_date_format();
+               switch ($user_date_fmt) {
+                       case 0:
+                       $fmt = "m".$sep."d".$sep."Y"; break;
+                       case 1:
+                       $fmt = "d".$sep."m".$sep."Y"; break;
+                       case 2:
+                       $fmt = "Y".$sep."m".$sep."d"; break;
+                       case 3:
+                       $fmt = "M".$sep."j".$sep."Y"; break;
+                       case 4:
+                       $fmt = "j".$sep."M".$sep."Y"; break;
+                       default:
+                       $fmt = "Y".$sep."M".$sep."j";
+               }
+       }
 }
 
 function user_date_sep()
 {
-       return $_SESSION["wa_current_user"]->prefs->date_sep();
+       global $SysPrefs;
+
+       return isset($_SESSION["wa_current_user"]->prefs->date_sep) ? $_SESSION["wa_current_user"]->prefs->date_sep() : $SysPrefs->dflt_date_sep;
 }
 
 function user_tho_sep()
 {
-       return $_SESSION["wa_current_user"]->prefs->tho_sep();
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->tho_sep() : 0;
 }
 
 function user_dec_sep()
 {
-       return $_SESSION["wa_current_user"]->prefs->dec_sep();
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->dec_sep() : 0;
 }
 
 function user_theme()
 {
-       return $_SESSION["wa_current_user"]->prefs->get_theme();
+       return isset($_SESSION["wa_current_user"]) ? $_SESSION["wa_current_user"]->prefs->get_theme() : 'default';
 }
 
 function user_pagesize()
@@ -301,34 +567,213 @@ function user_graphic_links()
        return $_SESSION["wa_current_user"]->prefs->graphic_links();
 }
 
-function set_user_prefs($price_dec, $qty_dec, $exrate_dec, $percent_dec, $showgl, $showcodes,
-       $date_format, $date_sep, $tho_sep, $dec_sep, $theme, $pagesize, $show_hints,
-       $print_profile, $rep_popup, $query_size, $graphic_links)
+function sticky_doc_date()
 {
+       return $_SESSION["wa_current_user"]->prefs->sticky_date();
+}
 
-       $_SESSION["wa_current_user"]->update_prefs($price_dec, $qty_dec, $exrate_dec, $percent_dec, $showgl, $showcodes,
-               $date_format, $date_sep, $tho_sep, $dec_sep, $theme, $pagesize, $show_hints,
-               $print_profile, $rep_popup, $query_size, $graphic_links);
+function user_startup_tab()
+{
+       return $_SESSION["wa_current_user"]->prefs->start_up_tab();
+}
+
+function user_transaction_days()
+{
+    return $_SESSION["wa_current_user"]->prefs->transaction_days();
+}
+
+function user_save_report_selections()
+{
+    return $_SESSION["wa_current_user"]->prefs->save_report_selections();
+}
+
+function user_use_date_picker()
+{
+    return $_SESSION["wa_current_user"]->prefs->use_date_picker();
+}
+
+function user_def_print_destination()
+{
+    return $_SESSION["wa_current_user"]->prefs->def_print_destination();
+}
+
+function user_def_print_orientation()
+{
+    return $_SESSION["wa_current_user"]->prefs->def_print_orientation();
+}
+
+function user_check_access($sec_area)
+{
+       return $_SESSION["wa_current_user"]->can_access($sec_area);
+}
+
+function set_user_prefs($prefs)
+{
+       $_SESSION["wa_current_user"]->update_prefs($prefs);
 }
 
 function add_user_js_data() {
-       global $path_to_root, $thoseps, $decseps;
+       global $path_to_root, $SysPrefs;
 
-       $ts = $thoseps[user_tho_sep()];
-       $ds = $decseps[user_dec_sep()];
+       $ts = $SysPrefs->thoseps[user_tho_sep()];
+       $ds = $SysPrefs->decseps[user_dec_sep()];
 
-    $js = "\n<script type=\"text/javascript\">\n"
-         . "<!--\n"
+    $js = "\n"
          . "var user = {\n"
-         . "theme: '". $path_to_root . '/themes/'. 'default' /*user_theme()*/.'/'."',\n"
+         . "theme: '". $path_to_root . '/themes/'. user_theme().'/'."',\n"
          . "loadtxt: '"._('Requesting data...')."',\n"
+         . "date: '".Today()."',\n"    // server date
+         . "datesys: ".$SysPrefs->date_system.",\n"
+         . "datefmt: ".user_date_format().",\n"
+         . "datesep: '".$SysPrefs->dateseps[user_date_sep()]."',\n"
          . "ts: '$ts',\n"
          . "ds: '$ds',\n"
-         . "pdec : " . user_price_dec() . "}\n--></script>";
+         . "pdec : " . user_price_dec() . "}\n";
 
   add_js_source($js);
 }
 
+function user_js_cache($id=null)
+{
+       global $path_to_root;
+
+       if (!$id)
+               $id = @$_SESSION['wa_current_user']->user;
+
+       if (!$id)
+               $id = 0; // before login
+       return $path_to_root.'/company/'.user_company().'/js_cache/'.$id;
+}
+
 //--------------------------------------------------------------------------
 
-?>
\ No newline at end of file
+function session_timeout()
+{
+       $tout = @get_company_pref('login_tout'); // mask warning for db ver. 2.2
+       return $tout ? $tout : ini_get('session.gc_maxlifetime');
+}
+
+//-----------------------------------------------------------------------------
+//     Inserts $elements into $array at position $index.
+//     $elements is list of any objects
+//
+function array_insert(&$array, $index, $elements)
+{
+       if (!is_array($elements)) $elements = array($elements);
+
+       $head  = array_splice($array, 0, $index);
+       $array = array_merge($head, $elements, $array);
+}
+
+function array_remove(&$array, $index, $len=1)
+{
+       array_splice($array, $index, $len);
+}
+
+function array_substitute(&$array, $index, $len, $elements)
+{
+       array_splice($array, $index, $len);
+       array_insert($array, $index, $elements);
+}
+
+function array_append(&$array, $elements)
+{
+       foreach($elements as $key => $el) {
+               if(is_int($key))
+                       $array[] = $el;
+               else
+                       $array[$key] = $el;
+       }
+}
+//
+//     Search $needle in $haystack or in $haystack[][$valuekey]
+//     returns $needle found or null.
+//
+function array_search_value($needle, $haystack, $valuekey=null)
+{
+       if (is_array($haystack)) {
+               foreach($haystack as $key => $value) {
+                       $val = isset($valuekey) ? @$value[$valuekey] : $value;
+                       if ($needle == $val){
+                               return $value;
+                       }
+               }
+       }
+       return null;
+}
+//
+//     Search $needle in $haystack or in $haystack[][$valuekey]
+//     returns array of keys of $haystack elements found
+//
+function array_search_keys($needle, $haystack, $valuekey=null)
+{
+       $keys = array();
+       if (is_array($haystack)) {
+               foreach($haystack as $key => $value) {
+                       $val = isset($valuekey) ? @$value[$valuekey] : $value;
+                       if ($needle == $val){
+                               $keys[] = $key;
+                       }
+               }
+       }       
+       return $keys;
+}
+//
+//     Find first (single) $needle in $haystack or in $haystack[][$valuekey]
+//     returns $haystack element found or null
+//
+function array_search_key($needle, $haystack, $valuekey=null)
+{
+       $keys = array_search_keys($needle, $haystack, $valuekey);
+       return @$keys[0];
+}
+
+// Recalculate report columns if orientation is landscape.
+function recalculate_cols(&$cols)
+{
+       $factor = (user_pagesize() == "A4" ? 1.4 : 1.3);
+       foreach($cols as $key => $col)
+               $cols[$key] = intval($col * $factor); 
+}
+
+function flush_dir($path, $wipe = false) 
+{
+       if (!file_exists($path))
+               return;
+       $dir = @opendir($path);
+       if(!$dir)
+               return;
+
+       while(false !== ($fname = readdir($dir))) {
+               if($fname=='.' || $fname=='..' || $fname=='CVS' || (!$wipe && $fname=='index.php')) continue;
+               if(is_dir($path.'/'.$fname)) {
+                   flush_dir($path.'/'.$fname, $wipe);
+                   if ($wipe) @rmdir($path.'/'.$fname);
+               } else
+                   @unlink($path.'/'.$fname);
+       }
+}
+/*
+       Returns current path to company private folder.
+       (Current path can change after chdir).
+*/
+function company_path($comp=null)
+{
+       global $path_to_root, $SysPrefs;
+
+       $comp_path = $SysPrefs->comp_path;
+
+
+       if (!isset($comp))
+               $comp = user_company();
+
+       // if path is relative, set current path_to_root
+       return ($comp_path[0]=='.' ? $path_to_root.'/'.basename($comp_path) : $comp_path)
+                       . '/'.$comp;
+}
+
+function is_admin_company()
+{
+       return $this->company == 0;
+}
+