/home/techb158/balacoffee.com/wp-content/plugins/woocommerce/includes
Edit: /home/techb158/balacoffee.com/wp-content/plugins/woocommerce/includes/class-wc-geo-ip.php (31159B)
log( $level, $message, array( 'source' => 'geoip' ) );
}
/**
* Open geoip file.
*
* @param string $filename
* @param int $flags
*/
public function geoip_open( $filename, $flags ) {
$this->flags = $flags;
if ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
$this->shmid = @shmop_open( self::GEOIP_SHM_KEY, 'a', 0, 0 );
} else {
if ( $this->filehandle = fopen( $filename, 'rb' ) ) {
if ( $this->flags & self::GEOIP_MEMORY_CACHE ) {
$s_array = fstat( $this->filehandle );
$this->memory_buffer = fread( $this->filehandle, $s_array['size'] );
}
} else {
self::log( 'GeoIP API: Can not open ' . $filename, 'error' );
}
}
$this->_setup_segments();
}
/**
* Setup segments.
*
* @return WC_Geo_IP instance
*/
private function _setup_segments() {
$this->databaseType = self::GEOIP_COUNTRY_EDITION;
$this->record_length = self::STANDARD_RECORD_LENGTH;
if ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
$offset = @shmop_size( $this->shmid ) - 3;
for ( $i = 0; $i < self::STRUCTURE_INFO_MAX_SIZE; $i++ ) {
$delim = @shmop_read( $this->shmid, $offset, 3 );
$offset += 3;
if ( ( chr( 255 ) . chr( 255 ) . chr( 255 ) ) == $delim ) {
$this->databaseType = ord( @shmop_read( $this->shmid, $offset, 1 ) );
if ( $this->databaseType >= 106 ) {
$this->databaseType -= 105;
}
$offset++;
if ( self::GEOIP_REGION_EDITION_REV0 == $this->databaseType ) {
$this->databaseSegments = self::GEOIP_STATE_BEGIN_REV0;
} elseif ( self::GEOIP_REGION_EDITION_REV1 == $this->databaseType ) {
$this->databaseSegments = self::GEOIP_STATE_BEGIN_REV1;
} elseif ( ( self::GEOIP_CITY_EDITION_REV0 == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV1 == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_USERTYPE_EDITION == $this->databaseType )
|| ( self::GEOIP_USERTYPE_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_LOCATIONA_EDITION == $this->databaseType )
|| ( self::GEOIP_ACCURACYRADIUS_EDITION == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV0_V6 == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV1_V6 == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION_REV1 == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION_REV1_V6 == $this->databaseType )
|| ( self::GEOIP_ASNUM_EDITION == $this->databaseType )
|| ( self::GEOIP_ASNUM_EDITION_V6 == $this->databaseType )
) {
$this->databaseSegments = 0;
$buf = @shmop_read( $this->shmid, $offset, self::SEGMENT_RECORD_LENGTH );
for ( $j = 0; $j < self::SEGMENT_RECORD_LENGTH; $j++ ) {
$this->databaseSegments += ( ord( $buf[ $j ] ) << ( $j * 8 ) );
}
if ( ( self::GEOIP_ORG_EDITION == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION_V6 == $this->databaseType )
) {
$this->record_length = self::ORG_RECORD_LENGTH;
}
}
break;
} else {
$offset -= 4;
}
}
if ( ( self::GEOIP_COUNTRY_EDITION == $this->databaseType )
|| ( self::GEOIP_COUNTRY_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_PROXY_EDITION == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION == $this->databaseType )
) {
$this->databaseSegments = self::GEOIP_COUNTRY_BEGIN;
}
} else {
$filepos = ftell( $this->filehandle );
fseek( $this->filehandle, -3, SEEK_END );
for ( $i = 0; $i < self::STRUCTURE_INFO_MAX_SIZE; $i++ ) {
$delim = fread( $this->filehandle, 3 );
if ( ( chr( 255 ) . chr( 255 ) . chr( 255 ) ) == $delim ) {
$this->databaseType = ord( fread( $this->filehandle, 1 ) );
if ( $this->databaseType >= 106 ) {
$this->databaseType -= 105;
}
if ( self::GEOIP_REGION_EDITION_REV0 == $this->databaseType ) {
$this->databaseSegments = self::GEOIP_STATE_BEGIN_REV0;
} elseif ( self::GEOIP_REGION_EDITION_REV1 == $this->databaseType ) {
$this->databaseSegments = self::GEOIP_STATE_BEGIN_REV1;
} elseif ( ( self::GEOIP_CITY_EDITION_REV0 == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV1 == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV0_V6 == $this->databaseType )
|| ( self::GEOIP_CITY_EDITION_REV1_V6 == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_LOCATIONA_EDITION == $this->databaseType )
|| ( self::GEOIP_ACCURACYRADIUS_EDITION == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION_REV1 == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION_REV1_V6 == $this->databaseType )
|| ( self::GEOIP_USERTYPE_EDITION == $this->databaseType )
|| ( self::GEOIP_USERTYPE_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_ASNUM_EDITION == $this->databaseType )
|| ( self::GEOIP_ASNUM_EDITION_V6 == $this->databaseType )
) {
$this->databaseSegments = 0;
$buf = fread( $this->filehandle, self::SEGMENT_RECORD_LENGTH );
for ( $j = 0; $j < self::SEGMENT_RECORD_LENGTH; $j++ ) {
$this->databaseSegments += ( ord( $buf[ $j ] ) << ( $j * 8 ) );
}
if ( ( self::GEOIP_ORG_EDITION == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION == $this->databaseType )
|| ( self::GEOIP_ORG_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_DOMAIN_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_ISP_EDITION_V6 == $this->databaseType )
) {
$this->record_length = self::ORG_RECORD_LENGTH;
}
}
break;
} else {
fseek( $this->filehandle, -4, SEEK_CUR );
}
}
if ( ( self::GEOIP_COUNTRY_EDITION == $this->databaseType )
|| ( self::GEOIP_COUNTRY_EDITION_V6 == $this->databaseType )
|| ( self::GEOIP_PROXY_EDITION == $this->databaseType )
|| ( self::GEOIP_NETSPEED_EDITION == $this->databaseType )
) {
$this->databaseSegments = self::GEOIP_COUNTRY_BEGIN;
}
fseek( $this->filehandle, $filepos, SEEK_SET );
}
return $this;
}
/**
* Close geoip file.
*
* @return bool
*/
public function geoip_close() {
if ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
return true;
}
return fclose( $this->filehandle );
}
/**
* Common get record.
*
* @param string $seek_country
* @return WC_Geo_IP_Record instance
*/
private function _common_get_record( $seek_country ) {
// workaround php's broken substr, strpos, etc handling with
// mbstring.func_overload and mbstring.internal_encoding
$mbExists = extension_loaded( 'mbstring' );
if ( $mbExists ) {
$enc = mb_internal_encoding();
mb_internal_encoding( 'ISO-8859-1' );
}
$record_pointer = $seek_country + ( 2 * $this->record_length - 1 ) * $this->databaseSegments;
if ( $this->flags & self::GEOIP_MEMORY_CACHE ) {
$record_buf = substr( $this->memory_buffer, $record_pointer, FULL_RECORD_LENGTH );
} elseif ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
$record_buf = @shmop_read( $this->shmid, $record_pointer, FULL_RECORD_LENGTH );
} else {
fseek( $this->filehandle, $record_pointer, SEEK_SET );
$record_buf = fread( $this->filehandle, FULL_RECORD_LENGTH );
}
$record = new WC_Geo_IP_Record();
$record_buf_pos = 0;
$char = ord( substr( $record_buf, $record_buf_pos, 1 ) );
$record->country_code = $this->GEOIP_COUNTRY_CODES[ $char ];
$record->country_code3 = $this->GEOIP_COUNTRY_CODES3[ $char ];
$record->country_name = $this->GEOIP_COUNTRY_NAMES[ $char ];
$record->continent_code = $this->GEOIP_CONTINENT_CODES[ $char ];
$str_length = 0;
$record_buf_pos++;
// Get region
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
while ( 0 != $char ) {
$str_length++;
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
}
if ( $str_length > 0 ) {
$record->region = substr( $record_buf, $record_buf_pos, $str_length );
}
$record_buf_pos += $str_length + 1;
$str_length = 0;
// Get city
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
while ( 0 != $char ) {
$str_length++;
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
}
if ( $str_length > 0 ) {
$record->city = substr( $record_buf, $record_buf_pos, $str_length );
}
$record_buf_pos += $str_length + 1;
$str_length = 0;
// Get postal code
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
while ( 0 != $char ) {
$str_length++;
$char = ord( substr( $record_buf, $record_buf_pos + $str_length, 1 ) );
}
if ( $str_length > 0 ) {
$record->postal_code = substr( $record_buf, $record_buf_pos, $str_length );
}
$record_buf_pos += $str_length + 1;
// Get latitude and longitude
$latitude = 0;
$longitude = 0;
for ( $j = 0; $j < 3; ++$j ) {
$char = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
$latitude += ( $char << ( $j * 8 ) );
}
$record->latitude = ( $latitude / 10000 ) - 180;
for ( $j = 0; $j < 3; ++$j ) {
$char = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
$longitude += ( $char << ( $j * 8 ) );
}
$record->longitude = ( $longitude / 10000 ) - 180;
if ( self::GEOIP_CITY_EDITION_REV1 == $this->databaseType ) {
$metroarea_combo = 0;
if ( 'US' === $record->country_code ) {
for ( $j = 0; $j < 3; ++$j ) {
$char = ord( substr( $record_buf, $record_buf_pos++, 1 ) );
$metroarea_combo += ( $char << ( $j * 8 ) );
}
$record->metro_code = $record->dma_code = floor( $metroarea_combo / 1000 );
$record->area_code = $metroarea_combo % 1000;
}
}
if ( $mbExists ) {
mb_internal_encoding( $enc );
}
return $record;
}
/**
* Get record.
*
* @param int $ipnum
* @return WC_Geo_IP_Record instance
*/
private function _get_record( $ipnum ) {
$seek_country = $this->_geoip_seek_country( $ipnum );
if ( $seek_country == $this->databaseSegments ) {
return null;
}
return $this->_common_get_record( $seek_country );
}
/**
* Seek country IPv6.
*
* @param int $ipnum
* @return string
*/
public function _geoip_seek_country_v6( $ipnum ) {
// arrays from unpack start with offset 1
// yet another php mystery. array_merge work around
// this broken behaviour
$v6vec = array_merge( unpack( 'C16', $ipnum ) );
$offset = 0;
for ( $depth = 127; $depth >= 0; --$depth ) {
if ( $this->flags & self::GEOIP_MEMORY_CACHE ) {
$buf = $this->_safe_substr(
$this->memory_buffer,
2 * $this->record_length * $offset,
2 * $this->record_length
);
} elseif ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
$buf = @shmop_read(
$this->shmid,
2 * $this->record_length * $offset,
2 * $this->record_length
);
} else {
if ( 0 != fseek( $this->filehandle, 2 * $this->record_length * $offset, SEEK_SET ) ) {
break;
}
$buf = fread( $this->filehandle, 2 * $this->record_length );
}
$x = array( 0, 0 );
for ( $i = 0; $i < 2; ++$i ) {
for ( $j = 0; $j < $this->record_length; ++$j ) {
$x[ $i ] += ord( $buf[ $this->record_length * $i + $j ] ) << ( $j * 8 );
}
}
$bnum = 127 - $depth;
$idx = $bnum >> 3;
$b_mask = 1 << ( $bnum & 7 ^ 7 );
if ( ( $v6vec[ $idx ] & $b_mask ) > 0 ) {
if ( $x[1] >= $this->databaseSegments ) {
return $x[1];
}
$offset = $x[1];
} else {
if ( $x[0] >= $this->databaseSegments ) {
return $x[0];
}
$offset = $x[0];
}
}
self::log( 'GeoIP API: Error traversing database - perhaps it is corrupt?', 'error' );
return false;
}
/**
* Seek country.
*
* @param int $ipnum
* @return string
*/
private function _geoip_seek_country( $ipnum ) {
$offset = 0;
for ( $depth = 31; $depth >= 0; --$depth ) {
if ( $this->flags & self::GEOIP_MEMORY_CACHE ) {
$buf = $this->_safe_substr(
$this->memory_buffer,
2 * $this->record_length * $offset,
2 * $this->record_length
);
} elseif ( $this->flags & self::GEOIP_SHARED_MEMORY ) {
$buf = @shmop_read(
$this->shmid,
2 * $this->record_length * $offset,
2 * $this->record_length
);
} else {
if ( 0 != fseek( $this->filehandle, 2 * $this->record_length * $offset, SEEK_SET ) ) {
break;
}
$buf = fread( $this->filehandle, 2 * $this->record_length );
}
$x = array( 0, 0 );
for ( $i = 0; $i < 2; ++$i ) {
for ( $j = 0; $j < $this->record_length; ++$j ) {
$x[ $i ] += ord( $buf[ $this->record_length * $i + $j ] ) << ( $j * 8 );
}
}
if ( $ipnum & ( 1 << $depth ) ) {
if ( $x[1] >= $this->databaseSegments ) {
return $x[1];
}
$offset = $x[1];
} else {
if ( $x[0] >= $this->databaseSegments ) {
return $x[0];
}
$offset = $x[0];
}
}
self::log( 'GeoIP API: Error traversing database - perhaps it is corrupt?', 'error' );
return false;
}
/**
* Record by addr.
*
* @param string $addr
*
* @return WC_Geo_IP_Record
*/
public function geoip_record_by_addr( $addr ) {
if ( null == $addr ) {
return 0;
}
$ipnum = ip2long( $addr );
return $this->_get_record( $ipnum );
}
/**
* Country ID by addr IPv6.
*
* @param string $addr
* @return int|bool
*/
public function geoip_country_id_by_addr_v6( $addr ) {
if ( ! defined( 'AF_INET6' ) ) {
self::log( 'GEOIP (geoip_country_id_by_addr_v6): PHP was compiled with --disable-ipv6 option' );
return false;
}
$ipnum = inet_pton( $addr );
return $this->_geoip_seek_country_v6( $ipnum ) - self::GEOIP_COUNTRY_BEGIN;
}
/**
* Country ID by addr.
*
* @param string $addr
* @return int
*/
public function geoip_country_id_by_addr( $addr ) {
$ipnum = ip2long( $addr );
return $this->_geoip_seek_country( $ipnum ) - self::GEOIP_COUNTRY_BEGIN;
}
/**
* Country code by addr IPv6.
*
* @param string $addr
* @return string
*/
public function geoip_country_code_by_addr_v6( $addr ) {
$country_id = $this->geoip_country_id_by_addr_v6( $addr );
if ( false !== $country_id && isset( $this->GEOIP_COUNTRY_CODES[ $country_id ] ) ) {
return $this->GEOIP_COUNTRY_CODES[ $country_id ];
}
return false;
}
/**
* Country code by addr.
*
* @param string $addr
* @return string
*/
public function geoip_country_code_by_addr( $addr ) {
if ( self::GEOIP_CITY_EDITION_REV1 == $this->databaseType ) {
$record = $this->geoip_record_by_addr( $addr );
if ( false !== $record ) {
return $record->country_code;
}
} else {
$country_id = $this->geoip_country_id_by_addr( $addr );
if ( false !== $country_id && isset( $this->GEOIP_COUNTRY_CODES[ $country_id ] ) ) {
return $this->GEOIP_COUNTRY_CODES[ $country_id ];
}
}
return false;
}
/**
* Encode string.
*
* @param string $string
* @param int $start
* @param int $length
* @return string
*/
private function _safe_substr( $string, $start, $length ) {
// workaround php's broken substr, strpos, etc handling with
// mbstring.func_overload and mbstring.internal_encoding
$mb_exists = extension_loaded( 'mbstring' );
if ( $mb_exists ) {
$enc = mb_internal_encoding();
mb_internal_encoding( 'ISO-8859-1' );
}
$buf = substr( $string, $start, $length );
if ( $mb_exists ) {
mb_internal_encoding( $enc );
}
return $buf;
}
}
/**
* Geo IP Record class.
*/
class WC_Geo_IP_Record {
/**
* Country code.
*
* @var string
*/
public $country_code;
/**
* 3 letters country code.
*
* @var string
*/
public $country_code3;
/**
* Country name.
*
* @var string
*/
public $country_name;
/**
* Region.
*
* @var string
*/
public $region;
/**
* City.
*
* @var string
*/
public $city;
/**
* Postal code.
*
* @var string
*/
public $postal_code;
/**
* Latitude
*
* @var int
*/
public $latitude;
/**
* Longitude.
*
* @var int
*/
public $longitude;
/**
* Area code.
*
* @var int
*/
public $area_code;
/**
* DMA Code.
*
* Metro and DMA code are the same.
* Use metro code instead.
*
* @var float
*/
public $dma_code;
/**
* Metro code.
*
* @var float
*/
public $metro_code;
/**
* Continent code.
*
* @var string
*/
public $continent_code;
}