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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var EXPORTED_SYMBOLS = ["FormHistoryChild"];
const { XPCOMUtils } = ChromeUtils.import(
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.defineModuleGetter(
this,
"CreditCard",
);
ChromeUtils.defineModuleGetter(
this,
"PrivateBrowsingUtils",
);
XPCOMUtils.defineLazyPreferenceGetter(this, "gDebug", "browser.formfill.debug");
XPCOMUtils.defineLazyPreferenceGetter(
this,
"gEnabled",
"browser.formfill.enable"
);
function log(message) {
if (!gDebug) {
return;
}
dump("satchelFormListener: " + message + "\n");
Services.console.logStringMessage("satchelFormListener: " + message);
}
class FormHistoryChild extends JSWindowActorChild {
handleEvent(event) {
switch (event.type) {
case "DOMFormBeforeSubmit": {
this.onDOMFormBeforeSubmit(event);
break;
}
default: {
throw new Error("Unexpected event");
}
}
}
onDOMFormBeforeSubmit(event) {
let form = event.target;
if (
!gEnabled ||
PrivateBrowsingUtils.isContentWindowPrivate(form.ownerGlobal)
) {
return;
}
log("Form submit observer notified.");
if (
form.hasAttribute("autocomplete") &&
form.getAttribute("autocomplete").toLowerCase() == "off"
) {
return;
}
let entries = [];
for (let input of form.elements) {
if (ChromeUtils.getClassName(input) !== "HTMLInputElement") {
continue;
}
// Only use inputs that hold text values (not including type="password")
if (!input.mozIsTextField(true)) {
continue;
}
// Don't save fields that were previously type=password such as on sites
// that allow the user to toggle password visibility.
if (input.hasBeenTypePassword) {
continue;
}
// Bug 394612: If Login Manager marked this input, don't save it.
// The login manager will deal with remembering it.
// Don't save values when @autocomplete is "off" or has a sensitive field name.
let autocompleteInfo = input.getAutocompleteInfo();
if (autocompleteInfo && !autocompleteInfo.canAutomaticallyPersist) {
continue;
}
let value = input.value.trim();
// Don't save empty or unchanged values.
if (!value || value == input.defaultValue.trim()) {
continue;
}
// Don't save credit card numbers.
if (CreditCard.isValidNumber(value)) {
log("skipping saving a credit card number");
continue;
}
let name = input.name || input.id;
if (!name) {
continue;
}
if (name == "searchbar-history") {
log('addEntry for input name "' + name + '" is denied');
continue;
}
// Limit stored data to 200 characters.
if (name.length > 200 || value.length > 200) {
log("skipping input that has a name/value too large");
continue;
}
// Limit number of fields stored per form.
if (entries.length >= 100) {
log("not saving any more entries for this form.");
break;
}
entries.push({ name, value });
}
if (entries.length) {
log("sending entries to parent process for form " + form.id);
this.sendAsyncMessage("FormHistory:FormSubmitEntries", entries);
}
}
}