restrict host fuzzy matching to subdomains

src/utils/matcher.js

@@ -55,8 +55,8 @@ export function fuzzyUrlMatcher(url, urls) {
 				log(`[fuzzyUrlMatcher] host (${host}) and path (${path}) strict match`);
 				return true;
 			}
-		} else if (host.charAt(0) === '*') {
-			if (tab_host.endsWith(host.slice(1))) {
+		} else if (host.substr(0,2) == "*.") {
+			if (tab_host.endsWith(host.slice(2))) {
 				if (!path) {
 					log(`[fuzzyUrlMatcher] host (${host}) fuzzy match`);
 					return true;

test/utils/matcher.test.js

@@ -159,9 +159,10 @@ describe('src/utils/matcher.js', () => {
 			'google.com',
 			'ghostery.com/products',
 			'example.com/page*',
-			'*atlassian.net',
-			'*twitter.com/ghostery',
-			'*jira.net/board*',
+			'*.atlassian.net',
+			'*.twitter.com/ghostery',
+			'*.jira.net/board*',
+			'*facebook.com',
 		];
 
 		test('host strict match', () => {
@@ -181,6 +182,11 @@ describe('src/utils/matcher.js', () => {
 			expect(fuzzyUrlMatcher('https://ghostery.atlassian.com', urls)).toBeFalsy();
 		});
 
+		test('host fuzzy match rules require \'.\' ', () => {
+			expect(fuzzyUrlMatcher('https://something.facebook.com', urls)).toBeFalsy();
+			expect(fuzzyUrlMatcher('https://facebook.com', urls)).toBeFalsy();
+		});
+
 		test('host fuzzy match and path strict match', () => {
 			expect(fuzzyUrlMatcher('https://page.twitter.com/ghostery', urls)).toBeTruthy();
 			expect(fuzzyUrlMatcher('https://page.twitter.com/ghostery2', urls)).toBeFalsy();