forked from mirrors/gecko-dev
139 lines
3.8 KiB
JavaScript
139 lines
3.8 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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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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CreditCard: "resource://gre/modules/CreditCard.sys.mjs",
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PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
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});
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XPCOMUtils.defineLazyPreferenceGetter(lazy, "gDebug", "browser.formfill.debug");
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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"gEnabled",
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"browser.formfill.enable"
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);
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XPCOMUtils.defineLazyServiceGetter(
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lazy,
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"gFormFillService",
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"@mozilla.org/satchel/form-fill-controller;1",
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"nsIFormFillController"
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);
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function log(message) {
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if (!lazy.gDebug) {
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return;
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}
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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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export class FormHistoryChild extends JSWindowActorChild {
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handleEvent(event) {
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switch (event.type) {
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case "DOMFormBeforeSubmit":
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this.#onDOMFormBeforeSubmit(event.target);
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break;
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default:
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throw new Error("Unexpected event");
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}
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}
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#onDOMFormBeforeSubmit(form) {
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if (
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!lazy.gEnabled ||
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lazy.PrivateBrowsingUtils.isContentWindowPrivate(form.ownerGlobal)
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) {
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return;
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}
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log("Form submit observer notified.");
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if (form.getAttribute("autocomplete")?.toLowerCase() == "off") {
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return;
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}
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const entries = [];
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for (const input of form.elements) {
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if (!HTMLInputElement.isInstance(input)) {
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continue;
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}
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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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}
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// Don't save fields that were previously type=password such as on sites
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// that allow the user to toggle password visibility.
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if (input.hasBeenTypePassword) {
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continue;
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}
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// Bug 1780571, 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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if (lazy.gFormFillService.isLoginManagerField(input)) {
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continue;
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}
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// Don't save values when @autocomplete is "off" or has a sensitive field name.
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const autocompleteInfo = input.getAutocompleteInfo();
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if (autocompleteInfo?.canAutomaticallyPersist === false) {
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continue;
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}
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const value = input.lastInteractiveValue?.trim();
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// Only save user entered values even if they match the default value.
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// Any script input is ignored.
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// See Bug 1642570 for details.
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if (!value) {
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continue;
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}
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// Save only when user input was last.
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if (value != input.value.trim()) {
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continue;
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}
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// Don't save credit card numbers.
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if (lazy.CreditCard.isValidNumber(value)) {
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log("skipping saving a credit card number");
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continue;
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}
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const name = input.name || input.id;
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if (!name) {
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continue;
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}
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if (name == "searchbar-history") {
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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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log("skipping input that has a name/value too large");
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continue;
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}
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entries.push({ name, value });
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// Limit number of fields stored per form.
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if (entries.length >= 100) {
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log("not saving any more entries for this form.");
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break;
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}
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}
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if (entries.length) {
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log("sending entries to parent process for form " + form.id);
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this.sendAsyncMessage("FormHistory:FormSubmitEntries", entries);
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}
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}
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}
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