ABP/Android JavaScript code

assets/js/FilterStorage.jsm

Index: assets/js/FilterStorage.jsm
===================================================================
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+/*
+ * This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/.
+ */
+
+//
+// This file has been generated automatically from Adblock Plus source code
+//
+
+(function (_patchFunc11) {
+  const formatVersion = 4;
+  var FilterStorage = {
+    get formatVersion() {
+      return formatVersion;
+    },
+    get sourceFile() {
+      var file = null;
+      if (Prefs.patternsfile) {
+        file = Utils.resolveFilePath(Prefs.patternsfile);
+      }
+      if (!file) {
+        file = Utils.resolveFilePath(Prefs.data_directory);
+        if (file)
+          file.append("patterns.ini");
+      }
+      if (!file) {
+        try {
+          file = Utils.resolveFilePath(Prefs.defaultBranch.getCharPref("data_directory"));
+          if (file)
+            file.append("patterns.ini");
+        }
+        catch (e){}
+      }
+      if (!file)
+        Cu.reportError("Adblock Plus: Failed to resolve filter file location from extensions.adblockplus.patternsfile preference");
+      this.__defineGetter__("sourceFile", function () {
+        return file;
+      });
+      return this.sourceFile;
+    }
+    ,
+    fileProperties: {
+      __proto__: null
+    },
+    subscriptions: [],
+    knownSubscriptions: {
+      __proto__: null
+    },
+    getGroupForFilter: function (filter) {
+      var generalSubscription = null;
+      for (var _loopIndex0 = 0;
+      _loopIndex0 < FilterStorage.subscriptions.length; ++ _loopIndex0) {
+        var subscription = FilterStorage.subscriptions[_loopIndex0];
+        if (subscription instanceof SpecialSubscription) {
+          if (subscription.isDefaultFor(filter))
+            return subscription;
+          if (!generalSubscription && (!subscription.defaults || !subscription.defaults.length))
+            generalSubscription = subscription;
+        }
+      }
+      return generalSubscription;
+    }
+    ,
+    addSubscription: function (subscription, silent) {
+      if (subscription.url in FilterStorage.knownSubscriptions)
+        return ;
+      FilterStorage.subscriptions.push(subscription);
+      FilterStorage.knownSubscriptions[subscription.url] = subscription;
+      addSubscriptionFilters(subscription);
+      if (!silent)
+        FilterNotifier.triggerListeners("subscription.added", subscription);
+    }
+    ,
+    removeSubscription: function (subscription, silent) {
+      for (var i = 0;
+      i < FilterStorage.subscriptions.length; i++) {
+        if (FilterStorage.subscriptions[i].url == subscription.url) {
+          removeSubscriptionFilters(subscription);
+          FilterStorage.subscriptions.splice(i--, 1);
+          delete FilterStorage.knownSubscriptions[subscription.url];
+          if (!silent)
+            FilterNotifier.triggerListeners("subscription.removed", subscription);
+          return ;
+        }
+      }
+    }
+    ,
+    moveSubscription: function (subscription, insertBefore) {
+      var currentPos = FilterStorage.subscriptions.indexOf(subscription);
+      if (currentPos < 0)
+        return ;
+      var newPos = insertBefore ? FilterStorage.subscriptions.indexOf(insertBefore) : -1;
+      if (newPos < 0)
+        newPos = FilterStorage.subscriptions.length;
+      if (currentPos < newPos)
+        newPos--;
+      if (currentPos == newPos)
+        return ;
+      FilterStorage.subscriptions.splice(currentPos, 1);
+      FilterStorage.subscriptions.splice(newPos, 0, subscription);
+      FilterNotifier.triggerListeners("subscription.moved", subscription);
+    }
+    ,
+    updateSubscriptionFilters: function (subscription, filters) {
+      removeSubscriptionFilters(subscription);
+      subscription.oldFilters = subscription.filters;
+      subscription.filters = filters;
+      addSubscriptionFilters(subscription);
+      FilterNotifier.triggerListeners("subscription.updated", subscription);
+      delete subscription.oldFilters;
+      if (subscription instanceof SpecialSubscription && !subscription.filters.length && subscription.disabled)
+        subscription.disabled = false;
+    }
+    ,
+    addFilter: function (filter, subscription, position, silent) {
+      if (!subscription) {
+        if (filter.subscriptions.some(function (s) {
+          return s instanceof SpecialSubscription;
+        }))
+          return ;
+        subscription = FilterStorage.getGroupForFilter(filter);
+      }
+      if (!subscription) {
+        subscription = SpecialSubscription.createForFilter(filter);
+        this.addSubscription(subscription);
+        return ;
+      }
+      if (typeof position == "undefined")
+        position = subscription.filters.length;
+      if (filter.subscriptions.indexOf(subscription) < 0)
+        filter.subscriptions.push(subscription);
+      subscription.filters.splice(position, 0, filter);
+      if (!silent)
+        FilterNotifier.triggerListeners("filter.added", filter, subscription, position);
+    }
+    ,
+    removeFilter: function (filter, subscription, position) {
+      var subscriptions = (subscription ? [subscription] : filter.subscriptions.slice());
+      for (var i = 0;
+      i < subscriptions.length; i++) {
+        var subscription = subscriptions[i];
+        if (subscription instanceof SpecialSubscription) {
+          var positions = [];
+          if (typeof position == "undefined") {
+            var index = -1;
+            do {
+              index = subscription.filters.indexOf(filter, index + 1);
+              if (index >= 0)
+                positions.push(index);
+            }
+            while (index >= 0);
+          }
+           else
+            positions.push(position);
+          for (var j = positions.length - 1;
+          j >= 0; j--) {
+            var position = positions[j];
+            if (subscription.filters[position] == filter) {
+              subscription.filters.splice(position, 1);
+              if (subscription.filters.indexOf(filter) < 0) {
+                var index = filter.subscriptions.indexOf(subscription);
+                if (index >= 0)
+                  filter.subscriptions.splice(index, 1);
+              }
+              FilterNotifier.triggerListeners("filter.removed", filter, subscription, position);
+            }
+          }
+        }
+      }
+    }
+    ,
+    moveFilter: function (filter, subscription, oldPosition, newPosition) {
+      if (!(subscription instanceof SpecialSubscription) || subscription.filters[oldPosition] != filter)
+        return ;
+      newPosition = Math.min(Math.max(newPosition, 0), subscription.filters.length - 1);
+      if (oldPosition == newPosition)
+        return ;
+      subscription.filters.splice(oldPosition, 1);
+      subscription.filters.splice(newPosition, 0, filter);
+      FilterNotifier.triggerListeners("filter.moved", filter, subscription, oldPosition, newPosition);
+    }
+    ,
+    increaseHitCount: function (filter) {
+      if (!Prefs.savestats || Prefs.privateBrowsing || !(filter instanceof ActiveFilter))
+        return ;
+      filter.hitCount++;
+      filter.lastHit = Date.now();
+    }
+    ,
+    resetHitCounts: function (filters) {
+      if (!filters) {
+        filters = [];
+        for (var _loopIndex2 = 0;
+        _loopIndex2 < Filter.knownFilters.length; ++ _loopIndex2) {
+          var filter = Filter.knownFilters[_loopIndex2];
+          filters.push(filter);
+        }
+      }
+      for (var _loopIndex1 = 0;
+      _loopIndex1 < filters.length; ++ _loopIndex1) {
+        var filter = filters[_loopIndex1];
+        filter.hitCount = 0;
+        filter.lastHit = 0;
+      }
+    }
+    ,
+    loadFromDisk: function (sourceFile, silent) {
+      if (!silent) {
+        Filter.knownFilters = {
+          __proto__: null
+        };
+        Subscription.knownSubscriptions = {
+          __proto__: null
+        };
+      }
+      var explicitFile = true;
+      if (!sourceFile) {
+        sourceFile = FilterStorage.sourceFile;
+        explicitFile = false;
+        if (!sourceFile || !sourceFile.exists()) {
+          var patternsURL = Utils.ioService.newURI("chrome://adblockplus-defaults/content/patterns.ini", null, null);
+          patternsURL = Utils.chromeRegistry.convertChromeURL(patternsURL);
+          if (patternsURL instanceof Ci.nsIFileURL)
+            sourceFile = patternsURL.file;
+        }
+      }
+      var userFilters = null;
+      var backup = 0;
+      while (true) {
+        FilterStorage.subscriptions = [];
+        FilterStorage.knownSubscriptions = {
+          __proto__: null
+        };
+        try {
+          if (sourceFile && sourceFile.exists()) {
+            var fileStream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream);
+            fileStream.init(sourceFile, 1, 292, 0);
+            var stream = Cc["@mozilla.org/intl/converter-input-stream;1"].createInstance(Ci.nsIConverterInputStream);
+            stream.init(fileStream, "UTF-8", 16384, 0);
+            stream = stream.QueryInterface(Ci.nsIUnicharLineInputStream);
+            userFilters = parseIniFile(stream);
+            stream.close();
+            if (!FilterStorage.subscriptions.length) {
+              throw new Error("No data in the file");
+            }
+          }
+          break;
+        }
+        catch (e){
+          Cu.reportError("Adblock Plus: Failed to read filters from file " + sourceFile.path);
+          Cu.reportError(e);
+        }
+        if (explicitFile)
+          break;
+        sourceFile = FilterStorage.sourceFile;
+        if (!sourceFile)
+          break;
+        var part1 = sourceFile.leafName;
+        var part2 = "";
+        if (/^(.*)(\.\w+)$/.test(part1)) {
+          part1 = RegExp["$1"];
+          part2 = RegExp["$2"];
+        }
+        sourceFile = sourceFile.clone();
+        sourceFile.leafName = part1 + "-backup" + (++ backup) + part2;
+      }
+      for (var _loopIndex3 = 0;
+      _loopIndex3 < ["~il~", "~wl~", "~fl~", "~eh~"].length; ++ _loopIndex3) {
+        var specialSubscription = ["~il~", "~wl~", "~fl~", "~eh~"][_loopIndex3];
+        if (specialSubscription in FilterStorage.knownSubscriptions) {
+          var subscription = Subscription.fromURL(specialSubscription);
+          if (subscription.filters.length == 0)
+            FilterStorage.removeSubscription(subscription, true);
+        }
+      }
+      if (userFilters) {
+        for (var _loopIndex4 = 0;
+        _loopIndex4 < userFilters.length; ++ _loopIndex4) {
+          var filter = userFilters[_loopIndex4];
+          filter = Filter.fromText(filter);
+          if (filter)
+            FilterStorage.addFilter(filter, null, undefined, true);
+        }
+      }
+      if (!silent)
+        FilterNotifier.triggerListeners("load");
+    }
+    ,
+    saveToDisk: function (targetFile) {
+      var explicitFile = true;
+      if (!targetFile) {
+        targetFile = FilterStorage.sourceFile;
+        explicitFile = false;
+      }
+      if (!targetFile)
+        return ;
+      try {
+        targetFile.normalize();
+      }
+      catch (e){}
+      try {
+        targetFile.parent.create(Ci.nsIFile.DIRECTORY_TYPE, 493);
+      }
+      catch (e){}
+      var tempFile = targetFile.clone();
+      tempFile.leafName += "-temp";
+      var fileStream, stream;
+      try {
+        fileStream = Cc["@mozilla.org/network/safe-file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
+        fileStream.init(tempFile, 2 | 8 | 32, 420, 0);
+        stream = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(Ci.nsIConverterOutputStream);
+        stream.init(fileStream, "UTF-8", 16384, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
+      }
+      catch (e){
+        Cu.reportError(e);
+        return ;
+      }
+      const maxBufLength = 1024;
+      var buf = ["# Adblock Plus preferences", "version=" + formatVersion];
+      var lineBreak = Utils.getLineBreak();
+      function writeBuffer() {
+        stream.writeString(buf.join(lineBreak) + lineBreak);
+        buf.splice(0, buf.length);
+      }
+      var saved = {
+        __proto__: null
+      };
+      for (var _loopIndex5 = 0;
+      _loopIndex5 < FilterStorage.subscriptions.length; ++ _loopIndex5) {
+        var subscription = FilterStorage.subscriptions[_loopIndex5];
+        if (subscription instanceof ExternalSubscription)
+          continue;
+        for (var _loopIndex7 = 0;
+        _loopIndex7 < subscription.filters.length; ++ _loopIndex7) {
+          var filter = subscription.filters[_loopIndex7];
+          if (!(filter.text in saved)) {
+            filter.serialize(buf);
+            saved[filter.text] = filter;
+            if (buf.length > maxBufLength)
+              writeBuffer();
+          }
+        }
+      }
+      for (var _loopIndex6 = 0;
+      _loopIndex6 < FilterStorage.subscriptions.length; ++ _loopIndex6) {
+        var subscription = FilterStorage.subscriptions[_loopIndex6];
+        if (subscription instanceof ExternalSubscription)
+          continue;
+        buf.push("");
+        subscription.serialize(buf);
+        if (subscription.filters.length) {
+          buf.push("", "[Subscription filters]");
+          subscription.serializeFilters(buf);
+        }
+        if (buf.length > maxBufLength)
+          writeBuffer();
+      }
+      try {
+        stream.writeString(buf.join(lineBreak) + lineBreak);
+        stream.flush();
+        fileStream.QueryInterface(Ci.nsISafeOutputStream).finish();
+      }
+      catch (e){
+        Cu.reportError(e);
+        return ;
+      }
+      if (!explicitFile && targetFile.exists()) {
+        var part1 = targetFile.leafName;
+        var part2 = "";
+        if (/^(.*)(\.\w+)$/.test(part1)) {
+          part1 = RegExp["$1"];
+          part2 = RegExp["$2"];
+        }
+        var doBackup = (Prefs.patternsbackups > 0);
+        if (doBackup) {
+          var lastBackup = targetFile.clone();
+          lastBackup.leafName = part1 + "-backup1" + part2;
+          if (lastBackup.exists() && (Date.now() - lastBackup.lastModifiedTime) / 3600000 < Prefs.patternsbackupinterval)
+            doBackup = false;
+        }
+        if (doBackup) {
+          var backupFile = targetFile.clone();
+          backupFile.leafName = part1 + "-backup" + Prefs.patternsbackups + part2;
+          try {
+            backupFile.remove(false);
+          }
+          catch (e){}
+          for (var i = Prefs.patternsbackups - 1;
+          i >= 0; i--) {
+            backupFile.leafName = part1 + (i > 0 ? "-backup" + i : "") + part2;
+            try {
+              backupFile.moveTo(backupFile.parent, part1 + "-backup" + (i + 1) + part2);
+            }
+            catch (e){}
+          }
+        }
+      }
+       else
+        if (targetFile.exists())
+          targetFile.remove(false);
+      tempFile.moveTo(targetFile.parent, targetFile.leafName);
+      if (!explicitFile)
+        FilterNotifier.triggerListeners("save");
+    }
+    ,
+    getBackupFiles: function () {
+      var result = [];
+      var part1 = FilterStorage.sourceFile.leafName;
+      var part2 = "";
+      if (/^(.*)(\.\w+)$/.test(part1)) {
+        part1 = RegExp["$1"];
+        part2 = RegExp["$2"];
+      }
+      for (var i = 1;
+      ;
+      i++) {
+        var file = FilterStorage.sourceFile.clone();
+        file.leafName = part1 + "-backup" + i + part2;
+        if (file.exists())
+          result.push(file);
+         else
+          break;
+      }
+      return result;
+    }
+    
+  };
+  function addSubscriptionFilters(subscription) {
+    if (!(subscription.url in FilterStorage.knownSubscriptions))
+      return ;
+    for (var _loopIndex8 = 0;
+    _loopIndex8 < subscription.filters.length; ++ _loopIndex8) {
+      var filter = subscription.filters[_loopIndex8];
+      filter.subscriptions.push(subscription);
+    }
+  }
+  function removeSubscriptionFilters(subscription) {
+    if (!(subscription.url in FilterStorage.knownSubscriptions))
+      return ;
+    for (var _loopIndex9 = 0;
+    _loopIndex9 < subscription.filters.length; ++ _loopIndex9) {
+      var filter = subscription.filters[_loopIndex9];
+      var i = filter.subscriptions.indexOf(subscription);
+      if (i >= 0)
+        filter.subscriptions.splice(i, 1);
+    }
+  }
+  function parseIniFile(stream) {
+    var wantObj = true;
+    FilterStorage.fileProperties = {
+      
+    };
+    var curObj = FilterStorage.fileProperties;
+    var curSection = null;
+    var line = {
+      
+    };
+    var haveMore = true;
+    var userFilters = null;
+    while (true) {
+      if (haveMore)
+        haveMore = stream.readLine(line);
+       else
+        line.value = "[end]";
+      var val = line.value;
+      if (wantObj === true && /^(\w+)=(.*)$/.test(val))
+        curObj[RegExp["$1"]] = RegExp["$2"];
+       else
+        if (/^\s*\[(.+)\]\s*$/.test(val)) {
+          var newSection = RegExp["$1"].toLowerCase();
+          if (curObj) {
+            switch (curSection) {
+              case "filter": ;
+              case "pattern": {
+                if ("text" in curObj)
+                  Filter.fromObject(curObj);
+                break;
+              }
+              case "subscription": {
+                var subscription = Subscription.fromObject(curObj);
+                if (subscription)
+                  FilterStorage.addSubscription(subscription, true);
+                break;
+              }
+              case "subscription filters": ;
+              case "subscription patterns": {
+                if (FilterStorage.subscriptions.length) {
+                  var subscription = FilterStorage.subscriptions[FilterStorage.subscriptions.length - 1];
+                  for (var _loopIndex10 = 0;
+                  _loopIndex10 < curObj.length; ++ _loopIndex10) {
+                    var text = curObj[_loopIndex10];
+                    var filter = Filter.fromText(text);
+                    if (filter) {
+                      subscription.filters.push(filter);
+                      filter.subscriptions.push(subscription);
+                    }
+                  }
+                }
+                break;
+              }
+              case "user patterns": {
+                userFilters = curObj;
+                break;
+              }
+            }
+          }
+          if (newSection == "end")
+            break;
+          curSection = newSection;
+          switch (curSection) {
+            case "filter": ;
+            case "pattern": ;
+            case "subscription": {
+              wantObj = true;
+              curObj = {
+                
+              };
+              break;
+            }
+            case "subscription filters": ;
+            case "subscription patterns": ;
+            case "user patterns": {
+              wantObj = false;
+              curObj = [];
+              break;
+            }
+            default: {
+              wantObj = undefined;
+              curObj = null;
+            }
+          }
+        }
+         else
+          if (wantObj === false && val)
+            curObj.push(val.replace(/\\\[/g, "["));
+    }
+    return userFilters;
+  }
+  if (typeof _patchFunc11 != "undefined")
+    eval("(" + _patchFunc11.toString() + ")()");
+  window.FilterStorage = FilterStorage;
+}
+)(window.FilterStoragePatch);