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