Revert "Improved user-agent parser (added support for new headers `Se…

…c-CH-UA`)."

This reverts commit 8857147.

changelog.txt

@@ -6,7 +6,6 @@
 - fixed partial validation
 - fix image bug in the `Image.measureWEBP()` method by [Marek Mraz](https://github.com/Mrazbb)
 - improved Markdown parser
-- improved user-agent parser (added support for new headers `Sec-CH-UA`)
 
 ========================
 0.0.97

index.js

@@ -17343,7 +17343,7 @@ function extend_request(PROTO) {
 	Object.defineProperty(PROTO, 'ua', {
 		get: function() {
 			if (this.$ua === undefined)
-				this.$ua = U.parseUA(this.headers);
+				this.$ua = (this.headers['user-agent'] || '').parseUA();
 			return this.$ua;
 		}
 	});

utils.js

@@ -1685,22 +1685,6 @@ exports.isStaticFile = function(url) {
 	return index !== -1;
 };
 
-exports.parseUA = function(headers, structured) {
-	let ua = headers['sec-ch-ua'];
-	if (ua) {
-		let platform = headers['sec-ch-ua-platform'] || '';
-		let mobile = headers['sec-ch-ua-mobile'] === '?1';
-		let index = ua.indexOf('";v');
-		let browser = ua.substring(1, index);
-		if (platform)
-			platform = platform.substring(1, platform.length - 1);
-		return structured ? { os: platform, browser: browser, device: mobile ? 'mobile' : 'desktop' } : ((platform ? (platform + ' ') : '') + browser + (mobile ? ' Mobile' : ''));
-	} else {
-		ua = (headers['user-agent'] || '');
-		return ua ? ua.parseUA(structured) : ua;
-	}
-};
-
 exports.parseInt = function(obj, def) {
 	if (obj == null || obj === '')
 		return def === undefined ? 0 : def;