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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Bookmarks Sync.
- *
- * The Initial Developer of the Original Code is Mozilla.
- * Portions created by the Initial Developer are Copyright (C) 2008
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Anant Narayanan <anant@kix.in>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- const EXPORTED_SYMBOLS = ['FormEngine'];
-
- const Cc = Components.classes;
- const Ci = Components.interfaces;
- const Cu = Components.utils;
-
- Cu.import("resource://gre/modules/XPCOMUtils.jsm");
- Cu.import("resource://weave/util.js");
- Cu.import("resource://weave/engines.js");
- Cu.import("resource://weave/stores.js");
- Cu.import("resource://weave/trackers.js");
- Cu.import("resource://weave/type_records/forms.js");
-
- function FormEngine() {
- this._init();
- }
- FormEngine.prototype = {
- __proto__: SyncEngine.prototype,
- name: "forms",
- _displayName: "Forms",
- description: "Take advantage of form-fill convenience on all your devices",
- logName: "Forms",
- _storeObj: FormStore,
- _trackerObj: FormTracker,
- _recordObj: FormRec,
- get prefName() "history",
-
- _syncStartup: function FormEngine__syncStartup() {
- this._store.cacheFormItems();
- SyncEngine.prototype._syncStartup.call(this);
- },
-
- /* Wipe cache when sync finishes */
- _syncFinish: function FormEngine__syncFinish(error) {
- this._store.clearFormCache();
- SyncEngine.prototype._syncFinish.call(this);
- },
-
- _findDupe: function _findDupe(item) {
- // Search through the items to find a matching name/value
- for (let [guid, {name, value}] in Iterator(this._store._formItems))
- if (name == item.name && value == item.value)
- return guid;
- }
- };
-
-
- function FormStore() {
- this._init();
- }
- FormStore.prototype = {
- __proto__: Store.prototype,
- name: "forms",
- _logName: "FormStore",
- _formItems: null,
-
- get _formDB() {
- let file = Cc["@mozilla.org/file/directory_service;1"].
- getService(Ci.nsIProperties).
- get("ProfD", Ci.nsIFile);
- file.append("formhistory.sqlite");
- let stor = Cc["@mozilla.org/storage/service;1"].
- getService(Ci.mozIStorageService);
- let formDB = stor.openDatabase(file);
-
- this.__defineGetter__("_formDB", function() formDB);
- return formDB;
- },
-
- get _formHistory() {
- let formHistory = Cc["@mozilla.org/satchel/form-history;1"].
- getService(Ci.nsIFormHistory2);
- this.__defineGetter__("_formHistory", function() formHistory);
- return formHistory;
- },
-
- get _formStatement() {
- // This is essentially:
- // SELECT * FROM moz_formhistory ORDER BY 1.0 * (lastUsed - minLast) /
- // (maxLast - minLast) * timesUsed / minTimes DESC LIMIT 200
- let stmnt = this._formDB.createStatement(
- "SELECT * FROM moz_formhistory ORDER BY 1.0 * (lastUsed - \
- (SELECT lastUsed FROM moz_formhistory ORDER BY lastUsed ASC LIMIT 1)) / \
- ((SELECT lastUsed FROM moz_formhistory ORDER BY lastUsed DESC LIMIT 1) - \
- (SELECT lastUsed FROM moz_formhistory ORDER BY lastUsed ASC LIMIT 1)) * \
- timesUsed / (SELECT timesUsed FROM moz_formhistory ORDER BY timesUsed DESC LIMIT 1) \
- DESC LIMIT 200"
- );
-
- this.__defineGetter__("_formStatement", function() stmnt);
- return stmnt;
- },
-
- cacheFormItems: function FormStore_cacheFormItems() {
- this._log.trace("Caching all form items");
- this._formItems = this.getAllIDs();
- },
-
- clearFormCache: function FormStore_clearFormCache() {
- this._log.trace("Clearing form cache");
- this._formItems = null;
- },
-
- getAllIDs: function FormStore_getAllIDs() {
- let items = {};
- let stmnt = this._formStatement;
-
- while (stmnt.executeStep()) {
- let nam = stmnt.getUTF8String(1);
- let val = stmnt.getUTF8String(2);
- let key = Utils.sha1(nam + val);
-
- items[key] = { name: nam, value: val };
- }
- stmnt.reset();
-
- return items;
- },
-
- changeItemID: function FormStore_changeItemID(oldID, newID) {
- this._log.warn("FormStore IDs are data-dependent, cannot change!");
- },
-
- itemExists: function FormStore_itemExists(id) {
- return (id in this._formItems);
- },
-
- createRecord: function FormStore_createRecord(guid, cryptoMetaURL) {
- let record = new FormRec();
- record.id = guid;
-
- if (guid in this._formItems) {
- let item = this._formItems[guid];
- record.encryption = cryptoMetaURL;
- record.name = item.name;
- record.value = item.value;
- } else {
- record.deleted = true;
- }
-
- return record;
- },
-
- create: function FormStore_create(record) {
- this._log.debug("Adding form record for " + record.name);
- this._formHistory.addEntry(record.name, record.value);
- },
-
- remove: function FormStore_remove(record) {
- this._log.trace("Removing form record: " + record.id);
-
- if (record.id in this._formItems) {
- let item = this._formItems[record.id];
- this._formHistory.removeEntry(item.name, item.value);
- return;
- }
-
- this._log.trace("Invalid GUID found, ignoring remove request.");
- },
-
- update: function FormStore_update(record) {
- this._log.warn("Ignoring form record update request!");
- },
-
- wipe: function FormStore_wipe() {
- this._formHistory.removeAllEntries();
- }
- };
-
- function FormTracker() {
- this._init();
- }
- FormTracker.prototype = {
- __proto__: Tracker.prototype,
- name: "forms",
- _logName: "FormTracker",
- file: "form",
-
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIFormSubmitObserver]),
-
- __observerService: null,
- get _observerService() {
- if (!this.__observerService)
- this.__observerService = Cc["@mozilla.org/observer-service;1"].
- getService(Ci.nsIObserverService);
- return this.__observerService;
- },
-
- _init: function FormTracker__init() {
- this.__proto__.__proto__._init.call(this);
- this._log.trace("FormTracker initializing!");
- this._observerService.addObserver(this, "earlyformsubmit", false);
- },
-
- /* 10 points per form element */
- notify: function FormTracker_notify(formElement, aWindow, actionURI) {
- if (this.ignoreAll)
- return;
-
- this._log.trace("Form submission notification for " + actionURI.spec);
-
- // XXX Bug 487541 Copy the logic from nsFormHistory::Notify to avoid
- // divergent logic, which can lead to security issues, until there's a
- // better way to get satchel's results like with a notification.
-
- // Determine if a dom node has the autocomplete attribute set to "off"
- let completeOff = function(domNode) {
- let autocomplete = domNode.getAttribute("autocomplete");
- return autocomplete && autocomplete.search(/^off$/i) == 0;
- }
-
- if (completeOff(formElement)) {
- this._log.trace("Form autocomplete set to off");
- return;
- }
-
- /* Get number of elements in form, add points and changedIDs */
- let len = formElement.length;
- let elements = formElement.elements;
- for (let i = 0; i < len; i++) {
- let el = elements.item(i);
-
- // Grab the name for debugging, but check if empty when satchel would
- let name = el.name;
- if (name === "")
- name = el.id;
-
- if (!(el instanceof Ci.nsIDOMHTMLInputElement)) {
- this._log.trace(name + " is not a DOMHTMLInputElement: " + el);
- continue;
- }
-
- if (el.type.search(/^text$/i) != 0) {
- this._log.trace(name + "'s type is not 'text': " + el.type);
- continue;
- }
-
- if (completeOff(el)) {
- this._log.trace(name + "'s autocomplete set to off");
- continue;
- }
-
- if (el.value === "") {
- this._log.trace(name + "'s value is empty");
- continue;
- }
-
- if (el.value == el.defaultValue) {
- this._log.trace(name + "'s value is the default");
- continue;
- }
-
- if (name === "") {
- this._log.trace("Text input element has no name or id");
- continue;
- }
-
- this._log.trace("Logging form element: " + name + " :: " + el.value);
- this.addChangedID(Utils.sha1(name + el.value));
- this.score += 10;
- }
- }
- };
-