version 4.13.0

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

@@ -0,0 +1,76 @@
+<?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 ) {
+		$display_rule = isset( $condition_settings['browserDisplay'] ) ? $condition_settings['browserDisplay'] : 'is';
+		$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;
+	}
+
+}