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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*   | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ******************************************************************************  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright 2011-2017 DANTE Ltd. and GÉANT on behalf of the GN3, GN3+, GN4-1   | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * and GN4-2 consortia  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *   | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  License: see the web/copyright.php file in the file structure  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ******************************************************************************  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This product includes GeoLite data created by MaxMind, available from  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * http://www.maxmind.com  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace core;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GeoIp2\Database\Reader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use \Exception;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class DeviceLocation { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * find out where the user is currently located  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * set $location with the discovered value  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static locateDevice() { | 
            
                            
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                        $geoipVersion = CONFIG['GEOIP']['version'] ?? 0;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        switch ($geoipVersion) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case 0:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return(['status' => 'error', 'error' => 'Geolocation not supported']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case 1:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return(self::locateDevice1());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            case 2:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return(self::locateDevice2());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            default:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                throw new Exception("This version of GeoIP is not known!"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private static function locateDevice1() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (CONFIG['GEOIP']['version'] != 1) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return ['status' => 'error', 'error' => 'Function for GEOIPv1 called, but config says this is not the version to use!'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        //$host = $_SERVER['REMOTE_ADDR'];  | 
            
                            
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                        $host = filter_input(INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $record = geoip_record_by_name($host);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($record === FALSE) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return ['status' => 'error', 'error' => 'Problem getting the address'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result = ['status' => 'ok'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result['country'] = $record['country_code'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //  the two lines below are a dirty hack to take of the error in naming the UK federation  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($result['country'] == 'GB') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $result['country'] = 'UK';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result['region'] = $record['region'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result['geo'] = ['lat' => (float) $record['latitude'], 'lon' => (float) $record['longitude']];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return($result);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * find out where the user is currently located, using GeoIP2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private static function locateDevice2() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (CONFIG['GEOIP']['version'] != 2) { | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                            return ['status' => 'error', 'error' => 'Function for GEOIPv2 called, but config says this is not the version to use!'];  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        require_once CONFIG['GEOIP']['geoip2-path-to-autoloader'];  | 
            
            
                                                        
            
                                    
            
            
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                        $reader = new Reader(CONFIG['GEOIP']['geoip2-path-to-db']);  | 
            
            
                                                        
            
                                    
            
            
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                        $host = filter_input(INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP);  | 
            
            
                                                        
            
                                    
            
            
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                        try { | 
            
            
                                                        
            
                                    
            
            
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                            $record = $reader->city($host);  | 
            
            
                                                        
            
                                    
            
            
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                        } catch (\Exception $e) { | 
            
            
                                                        
            
                                    
            
            
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                            $result = ['status' => 'error', 'error' => 'Problem getting the address'];  | 
            
            
                                                        
            
                                    
            
            
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                            return($result);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        $result = ['status' => 'ok'];  | 
            
            
                                                        
            
                                    
            
            
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                        $result['country'] = $record->country->isoCode;  | 
            
            
                                                        
            
                                    
            
            
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                //  the two lines below are a dirty hack to take of the error in naming the UK federation  | 
            
            
                                                        
            
                                    
            
            
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                        if ($result['country'] == 'GB') { | 
            
            
                                                        
            
                                    
            
            
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                            $result['country'] = 'UK';  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        $result['region'] = $record->continent->name;  | 
            
            
                                                        
            
                                    
            
            
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                        $result['geo'] = ['lat' => (float) $record->location->latitude, 'lon' => (float) $record->location->longitude];  | 
            
            
                                                        
            
                                    
            
            
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                        return($result);  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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