tools.php

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<?php

if( !isset($config_included) ){
        die("config not loaded");
}

function make_auth_object(){    
        if( AUTH_METHOD == "LDAP" ){
                $au = new LDAPauth(LDAP_HOST , LDAP_PORT , LDAP_ROOTDN);
        }else if(AUTH_METHOD == "MYSQL"){
                $au = new MYSQLauth(AUTH_DB_HOST , AUTH_DB_PORT , AUTH_DB_NAME , AUTH_DB_USER , AUTH_DB_PASS);          
        }
        if( isset($au)  ){
                return $au;                     
        }else{
                throw new Exception("Fehlkonfiguration der Authentifizierungsmethode");
        }
}

function make_session(){        
        if( !isset($_SESSION) ){
                session_start();
        }
        if( !class_exists("user") ){
                throw new exception("The user class was not found. Please include it BEFORE tools.php");
        }
        if( (!isset($_SESSION["user"])) OR ( (isset($_SESSION["user"])) AND (! $_SESSION["user"] instanceof user) )   ){
                $_SESSION["user"] = new user();
        }
        return true;
}



function load_poll_from_http_request($db,$method="GET"){
        if( class_exists("poll") ){
                $poll = new poll();
        }else{
                throw new Exception("Pollclass not loaded!");           
        }
        if( !$db instanceof db ){
                throw new Exception("No database object given!");
        }
        if( $method == "GET" ){
                if( !isset($_GET["pollID"]) ){
                        return "Es muss eine UmfragenID angegeben werden!";
                }
                if( !( ($_GET["pollID"] != "") AND (is_numeric($_GET["pollID"])) )  ){
                        return "Die umfragen ID muss numerisch sein";
                }               
                if (!$poll->load_from_id($db, intval($_GET["pollID"]) )  ){
                        return "Die angeforderte Umfrage existiert nicht (mehr)";
                }       


        }else if( $method == "POST" ){
                if( !isset($_POST["pollID"]) ){
                        return "Es muss eine UmfragenID angegeben werden!";
                }
                if( !( ($_POST["pollID"] != "") AND (is_numeric($_POST["pollID"])) )  ){
                        return "Die umfragen ID muss numerisch sein";
                }                               
                if (!$poll->load_from_id($db, intval($_POST["pollID"]) )  ){
                        return "Die angeforderte Umfrage existiert nicht (mehr)";
                }       

        }else{
                throw new Exception("Invalid value for method parameter");
        }
        
        return $poll;
}


function load_widget_from_http_request($poll,$method="GET"){

        if( !$poll instanceof poll ){
                throw new Exception("No poll Object given");
        }

        if( $method == "GET" ){
                if( !isset($_GET["widgetID"]) ){
                        return "Es muss eine Widget ID angegeben werden!";
                }
                if( !( ($_GET["widgetID"] != "") AND (is_numeric($_GET["widgetID"])) )  ){
                        return "Die Widget ID muss numerisch sein" ;
                }
                $widget = $poll->get_widget_by_id( intval($_GET["widgetID"]) );
        
        }else if( $method == "POST" ){
                if( !isset($_POST["widgetID"]) ){
                        return "Es muss eine Widget ID angegeben werden!";
                }
                if( !( ($_POST["widgetID"] != "") AND (is_numeric($_POST["widgetID"])) )  ){
                        return "Die Widget ID muss numerisch sein" ;
                }
                $widget = $poll->get_widget_by_id( intval($_POST["widgetID"]) );
        
        }else{
                throw new Exception("Invalid value for method parameter");
        }

        if( !isset($widget) ){
                return "Widget existiert leider nicht (mehr)";
        }else{
                return $widget;
        }

}

// ! no ending newLine
?>