зеркало из https://github.com/mozilla/gecko-dev.git
212 строки
7.5 KiB
JavaScript
212 строки
7.5 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Justin Dolske <dolske@mozilla.com>
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* Paul O’Shannessy <paul@oshannessy.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var Cc = Components.classes;
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var Ci = Components.interfaces;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/Services.jsm");
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var satchelFormListener = {
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QueryInterface : XPCOMUtils.generateQI([Ci.nsIFormSubmitObserver,
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Ci.nsIDOMEventListener,
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Ci.nsObserver,
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Ci.nsISupportsWeakReference]),
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debug : true,
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enabled : true,
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saveHttpsForms : true,
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init : function() {
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Services.obs.addObserver(this, "earlyformsubmit", false);
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Services.prefs.addObserver("browser.formfill.", this, false);
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this.updatePrefs();
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addEventListener("unload", this, false);
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},
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updatePrefs : function () {
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this.debug = Services.prefs.getBoolPref("browser.formfill.debug");
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this.enabled = Services.prefs.getBoolPref("browser.formfill.enable");
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this.saveHttpsForms = Services.prefs.getBoolPref("browser.formfill.saveHttpsForms");
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},
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// Implements the Luhn checksum algorithm as described at
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// http://wikipedia.org/wiki/Luhn_algorithm
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isValidCCNumber : function (ccNumber) {
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// Remove dashes and whitespace
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ccNumber = ccNumber.replace(/[\-\s]/g, '');
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let len = ccNumber.length;
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if (len != 9 && len != 15 && len != 16)
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return false;
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if (!/^\d+$/.test(ccNumber))
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return false;
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let total = 0;
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for (let i = 0; i < len; i++) {
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let ch = parseInt(ccNumber[len - i - 1]);
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if (i % 2 == 1) {
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// Double it, add digits together if > 10
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ch *= 2;
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if (ch > 9)
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ch -= 9;
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}
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total += ch;
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}
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return total % 10 == 0;
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},
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log : function (message) {
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if (!this.debug)
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return;
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dump("satchelFormListener: " + message + "\n");
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Services.console.logStringMessage("satchelFormListener: " + message);
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},
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/* ---- dom event handler ---- */
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handleEvent: function(e) {
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switch (e.type) {
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case "unload":
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Services.obs.removeObserver(this, "earlyformsubmit");
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Services.prefs.removeObserver("browser.formfill.", this);
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break;
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default:
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this.log("Oops! Unexpected event: " + e.type);
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break;
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}
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},
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/* ---- nsIObserver interface ---- */
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observe : function (subject, topic, data) {
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if (topic == "nsPref:changed")
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this.updatePrefs();
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else
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this.log("Oops! Unexpected notification: " + topic);
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},
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/* ---- nsIFormSubmitObserver interfaces ---- */
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notify : function(form, domWin, actionURI, cancelSubmit) {
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try {
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// Even though the global context is for a specific browser, we
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// can receive observer events from other tabs! Ensure this event
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// is about our content.
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if (domWin.top != content)
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return;
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if (!this.enabled)
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return;
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this.log("Form submit observer notified.");
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if (!this.saveHttpsForms) {
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if (actionURI.schemeIs("https"))
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return;
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if (form.ownerDocument.documentURIObject.schemeIs("https"))
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return;
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}
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if (form.hasAttribute("autocomplete") &&
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form.getAttribute("autocomplete").toLowerCase() == "off")
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return;
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let entries = [];
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for (let i = 0; i < form.elements.length; i++) {
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let input = form.elements[i];
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if (!(input instanceof Ci.nsIDOMHTMLInputElement))
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continue;
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// Only use inputs that hold text values (not including type="password")
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if (!input.mozIsTextField(true))
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continue;
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// Bug 394612: If Login Manager marked this input, don't save it.
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// The login manager will deal with remembering it.
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// Don't save values when autocomplete=off is present.
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if (input.hasAttribute("autocomplete") &&
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input.getAttribute("autocomplete").toLowerCase() == "off")
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continue;
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let value = input.value.trim();
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// Don't save empty or unchanged values.
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if (!value || value == input.defaultValue.trim())
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continue;
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// Don't save credit card numbers.
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if (this.isValidCCNumber(value)) {
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this.log("skipping saving a credit card number");
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continue;
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}
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let name = input.name || input.id;
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if (!name)
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continue;
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// Limit stored data to 200 characters.
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if (name.length > 200 || value.length > 200) {
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this.log("skipping input that has a name/value too large");
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continue;
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}
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// Limit number of fields stored per form.
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if (entries.length >= 100) {
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this.log("not saving any more entries for this form.");
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break;
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}
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entries.push({ name: name, value: value });
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}
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if (entries.length) {
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this.log("sending entries to parent process for form " + form.id);
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sendAsyncMessage("FormHistory:FormSubmitEntries", entries);
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}
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}
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catch (e) {
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this.log("notify failed: " + e);
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}
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}
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};
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satchelFormListener.init();
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