mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-08 05:29:36 +00:00
191 lines
6.3 KiB
JavaScript
191 lines
6.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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(function(){
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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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Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.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.nsIObserver,
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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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if (PrivateBrowsingUtils.isContentWindowPrivate(domWin))
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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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if (name == 'searchbar-history') {
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this.log('addEntry for input name "' + name + '" is denied')
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continue;
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}
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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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})();
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