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divi/includes/builder/module/field/display-conditions/Browser.php

79 lines
2.6 KiB
PHP

<?php
/**
* Browser condition logic swiftly crafted.
*
* @since 4.11.0
*
* @package Divi
* @sub-package Builder
*/
namespace Module\Field\DisplayConditions;
/**
* Browser Condition Trait.
*/
trait BrowserCondition {
/**
* Processes "Operating System" condition.
*
* @since 4.11.0
*
* @param array $condition_settings Containing all settings of the condition.
*
* @return boolean Condition output.
*/
protected function _process_browser_condition( $condition_settings ) {
// Checks for additional display rule for compatibility with Conditional Display older versions which didn't use `displayRule` key.
$legacy_display_rule = isset( $condition_settings['browserDisplay'] ) ? $condition_settings['browserDisplay'] : 'is';
$display_rule = isset( $condition_settings['displayRule'] ) ? $condition_settings['displayRule'] : $legacy_display_rule;
$browsers_raw = isset( $condition_settings['browsers'] ) ? $condition_settings['browsers'] : '';
$browsers = explode( '|', $browsers_raw );
// phpcs:ignore ET.Sniffs.ValidatedSanitizedInput -- User Agent is not stored or displayed therefore XSS safe.
$useragent = ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) ? $_SERVER['HTTP_USER_AGENT'] : '';
$is_old_edge = preg_match( '/edge\//i', $useragent );
$is_checking_for_chrome = array_search( 'chrome', $browsers, true ) !== false;
$current_browser = $this->_get_browser( $useragent );
// Exception: When checking "Chrome" condition we should treat New Edge as Chrome.
if ( 'edge' === $current_browser && ! $is_old_edge && $is_checking_for_chrome ) {
$current_browser = 'chrome';
}
$should_display = array_intersect( $browsers, (array) $current_browser ) ? true : false;
return ( 'is' === $display_rule ) ? $should_display : ! $should_display;
}
/**
* Returns the Browser name based on user agent.
*
* @since 4.11.0
*
* @param string $useragent The useragent of the berowser.
*
* @return string Detected browser.
*/
protected function _get_browser( $useragent ) {
$browser = 'unknown';
$browser_array = array(
'/safari/i' => 'safari',
'/chrome|CriOS/i' => 'chrome',
'/firefox|FxiOS/i' => 'firefox',
'/msie|Trident/i' => 'ie',
'/edg/i' => 'edge',
'/opr|Opera|Presto/i' => 'opera',
'/maxthon/i' => 'maxthon',
'/ucbrowser/i' => 'ucbrowser',
);
foreach ( $browser_array as $regex => $value ) {
if ( preg_match( $regex, $useragent ) ) {
$browser = $value;
}
}
return $browser;
}
}