this fixes gorhill#142 and #1331

src/js/background.js

@@ -88,7 +88,7 @@ return {
 
     // read-only
     systemSettings: {
-        compiledMagic: 'perhodsoahya',
+        compiledMagic: 'akjbdyreyxgm',
         selfieMagic: 'spqmeuaftfra'
     },
 

src/js/static-net-filtering.js

@@ -571,6 +571,47 @@ FilterPlainHnAnchored.fromSelfie = function(s) {
 
 /******************************************************************************/
 
+// https://github.com/gorhill/uBlock/issues/142
+
+var FilterPlainHnAnchoredHostname = function(s, hostname) {
+    this.s = s;
+    this.hostname = hostname;
+};
+
+FilterPlainHnAnchoredHostname.prototype.match = function(url, tokenBeg) {
+    if ( pageHostnameRegister.slice(-this.hostname.length) !== this.hostname ) {
+        return false;
+    }
+    if ( url.substr(tokenBeg, this.s.length) !== this.s ) {
+        return false;
+    }
+    // Valid only if hostname-valid characters to the left of token
+    var pos = url.indexOf('://');
+    return pos !== -1 &&
+           reURLPostHostnameAnchors.test(url.slice(pos + 3, tokenBeg)) === false;
+};
+
+FilterPlainHnAnchoredHostname.fid = FilterPlainHnAnchoredHostname.prototype.fid = '||ah';
+
+FilterPlainHnAnchoredHostname.prototype.toString = function() {
+    return '||' + this.s;
+};
+
+FilterPlainHnAnchoredHostname.prototype.toSelfie = function() {
+    return this.s + '\t' + this.hostname;
+};
+
+FilterPlainHnAnchoredHostname.compile = function(details, hostname) {
+    return details.f + '\t' + hostname;
+};
+
+FilterPlainHnAnchoredHostname.fromSelfie = function(s) {
+    var pos = s.indexOf('\t');
+    return new FilterPlainHnAnchoredHostname(s.slice(0, pos), s.slice(pos + 1));
+};
+
+/******************************************************************************/
+
 // Generic filter
 
 var FilterGeneric = function(s, anchor) {
@@ -1141,6 +1182,9 @@ var getHostnameBasedFilterClass = function(details) {
     if ( details.anchor > 0 ) {
         return FilterPlainRightAnchoredHostname;
     }
+    if ( details.hostnameAnchored ) {
+        return FilterPlainHnAnchoredHostname;
+    }
     if ( details.tokenBeg === 0 ) {
         return FilterPlainPrefix0Hostname;
     }
@@ -1580,25 +1624,26 @@ FilterContainer.prototype.freeze = function() {
 /******************************************************************************/
 
 FilterContainer.prototype.factories = {
-     '[]': FilterBucket,
-      'a': FilterPlain,
-     'ah': FilterPlainHostname,
-     '0a': FilterPlainPrefix0,
-    '0ah': FilterPlainPrefix0Hostname,
-     '1a': FilterPlainPrefix1,
-    '1ah': FilterPlainPrefix1Hostname,
-     '|a': FilterPlainLeftAnchored,
-    '|ah': FilterPlainLeftAnchoredHostname,
-     'a|': FilterPlainRightAnchored,
-    'a|h': FilterPlainRightAnchoredHostname,
-    '||a': FilterPlainHnAnchored,
-     '//': FilterRegex,
-    '//h': FilterRegexHostname,
-    '{h}': FilterHostnameDict,
-      '_': FilterGeneric,
-     '_h': FilterGenericHostname,
-    '||_': FilterGenericHnAnchored,
-   '||_h': FilterGenericHnAnchoredHostname
+      '[]': FilterBucket,
+       'a': FilterPlain,
+      'ah': FilterPlainHostname,
+      '0a': FilterPlainPrefix0,
+     '0ah': FilterPlainPrefix0Hostname,
+      '1a': FilterPlainPrefix1,
+     '1ah': FilterPlainPrefix1Hostname,
+      '|a': FilterPlainLeftAnchored,
+     '|ah': FilterPlainLeftAnchoredHostname,
+      'a|': FilterPlainRightAnchored,
+     'a|h': FilterPlainRightAnchoredHostname,
+     '||a': FilterPlainHnAnchored,
+    '||ah': FilterPlainHnAnchoredHostname,
+      '//': FilterRegex,
+     '//h': FilterRegexHostname,
+     '{h}': FilterHostnameDict,
+       '_': FilterGeneric,
+      '_h': FilterGenericHostname,
+     '||_': FilterGenericHnAnchored,
+    '||_h': FilterGenericHnAnchoredHostname
 };
 
 /******************************************************************************/