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<?php
/**
* Device detection for Jetpack.
*
* @package automattic/jetpack-device-detection
*/
namespace Automattic\Jetpack;
require_once __DIR__ . '/functions.php';
use Automattic\Jetpack\Device_Detection\User_Agent_Info;
use function Automattic\Jetpack\Device_Detection\wp_unslash;
/**
* Class Device_Detection
*
* Determine if the current User Agent matches the passed $kind.
*/
class Device_Detection {
/**
* Returns information about the current device accessing the page.
*
* @param string $ua (Optional) User-Agent string.
*
* @return array Device information.
*
* array(
* 'is_phone' => (bool) Whether the current device is a mobile phone.
* 'is_smartphone' => (bool) Whether the current device is a smartphone.
* 'is_tablet' => (bool) Whether the current device is a tablet device.
* 'is_handheld' => (bool) Whether the current device is a handheld device.
* 'is_desktop' => (bool) Whether the current device is a laptop / desktop device.
* 'platform' => (string) Detected platform.
* 'is_phone_matched_ua' => (string) Matched UA.
* );
*/
public static function get_info( $ua = '' ) {
$ua_info = new User_Agent_Info( $ua );
$info = array(
'is_phone' => self::is_mobile( 'any', false, $ua_info ),
'is_phone_matched_ua' => self::is_mobile( 'any', true, $ua_info ),
'is_smartphone' => self::is_mobile( 'smart', false, $ua_info ),
'is_tablet' => $ua_info->is_tablet(),
'platform' => $ua_info->get_platform(),
);
$info['is_handheld'] = $info['is_phone'] || $info['is_tablet'];
$info['is_desktop'] = ! $info['is_handheld'];
if ( function_exists( 'apply_filters' ) ) {
/**
* Filter the value of Device_Detection::get_info.
*
* @since 1.0.0
*
* @param array $info Array of device information.
* @param string $ua User agent string passed to Device_Detection::get_info.
* @param User_Agent_Info $ua_info Instance of Automattic\Jetpack\Device_Detection\User_Agent_Info.
*/
$info = apply_filters( 'jetpack_device_detection_get_info', $info, $ua, $ua_info );
}
return $info;
}
/**
* Detects phone devices.
*
* @param string $ua User-Agent string.
*
* @return bool
*/
public static function is_phone( $ua = '' ) {
$device_info = self::get_info( $ua );
return true === $device_info['is_phone'];
}
/**
* Detects smartphone devices.
*
* @param string $ua User-Agent string.
*
* @return bool
*/
public static function is_smartphone( $ua = '' ) {
$device_info = self::get_info( $ua );
return true === $device_info['is_smartphone'];
}
/**
* Detects tablet devices.
*
* @param string $ua User-Agent string.
*
* @return bool
*/
public static function is_tablet( $ua = '' ) {
$device_info = self::get_info( $ua );
return true === $device_info['is_tablet'];
}
/**
* Detects desktop devices.
*
* @param string $ua User-Agent string.
*
* @return bool
*/
public static function is_desktop( $ua = '' ) {
$device_info = self::get_info( $ua );
return true === $device_info['is_desktop'];
}
/**
* Detects handheld (i.e. phone + tablet) devices.
*
* @param string $ua User-Agent string.
*
* @return bool
*/
public static function is_handheld( $ua = '' ) {
$device_info = self::get_info( $ua );
return true === $device_info['is_handheld'];
}
/**
* Determine if the current User Agent matches the passed $kind.
*
* @param string $kind Category of mobile device to check for. Either: any, dumb, smart.
* @param bool $return_matched_agent Boolean indicating if the UA should be returned.
* @param User_Agent_Info $ua_info Boolean indicating if the UA should be returned.
*
* @return bool|string Boolean indicating if current UA matches $kind. If `$return_matched_agent` is true, returns the UA string.
*/
private static function is_mobile( $kind, $return_matched_agent, $ua_info ) {
$kinds = array(
'smart' => false,
'dumb' => false,
'any' => false,
);
$first_run = true;
$matched_agent = '';
// If an invalid kind is passed in, reset it to default.
if ( ! isset( $kinds[ $kind ] ) ) {
$kind = 'any';
}
if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
return false;
}
$agent = strtolower( filter_var( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) );
if ( strpos( $agent, 'ipad' ) ) {
return false;
}
// Remove Samsung Galaxy tablets (SCH-I800) from being mobile devices.
if ( strpos( $agent, 'sch-i800' ) ) {
return false;
}
if ( $ua_info->is_android_tablet() && false === $ua_info->is_kindle_touch() ) {
return false;
}
if ( $ua_info->is_blackberry_tablet() ) {
return false;
}
if ( $first_run ) {
$first_run = false;
// checks for iPhoneTier devices & RichCSS devices.
if ( $ua_info->isTierIphone() || $ua_info->isTierRichCSS() ) {
$kinds['smart'] = true;
$matched_agent = $ua_info->matched_agent;
}
if ( ! $kinds['smart'] ) {
// if smart, we are not dumb so no need to check.
$dumb_agents = $ua_info->dumb_agents;
foreach ( $dumb_agents as $dumb_agent ) {
if ( false !== strpos( $agent, $dumb_agent ) ) {
$kinds['dumb'] = true;
$matched_agent = $dumb_agent;
break;
}
}
if ( ! $kinds['dumb'] ) {
if ( isset( $_SERVER['HTTP_X_WAP_PROFILE'] ) ) {
$kinds['dumb'] = true;
$matched_agent = 'http_x_wap_profile';
} elseif ( isset( $_SERVER['HTTP_ACCEPT'] ) && ( preg_match( '/wap\.|\.wap/i', $_SERVER['HTTP_ACCEPT'] ) || false !== strpos( strtolower( $_SERVER['HTTP_ACCEPT'] ), 'application/vnd.wap.xhtml+xml' ) ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- This is doing the validating.
$kinds['dumb'] = true;
$matched_agent = 'vnd.wap.xhtml+xml';
}
}
}
if ( $kinds['dumb'] || $kinds['smart'] ) {
$kinds['any'] = true;
}
}
$value = $kinds[ $kind ];
if ( $return_matched_agent ) {
$value = $matched_agent;
}
return $value;
}
}
|
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