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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
* 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 Mozilla Password Manager.
* The Initial Developer of the Original Code is
* Brian Ryner.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
* Contributor(s):
* Brian Ryner <>
* 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
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* decision by deleting the provisions above and replace them with the notice
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* 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 ***** */
// Helper to WebPasswordFormData to do the locating of username/password
// fields.
// This method based on Firefox2 code in
// toolkit/components/passwordmgr/base/nsPasswordManager.cpp
#include "config.h"
#include "WebPasswordFormUtils.h"
#include "HTMLNames.h"
#include "core/html/HTMLFormElement.h"
#include "core/html/HTMLInputElement.h"
using namespace WebCore;
namespace WebKit {
// Maximum number of password fields we will observe before throwing our
// hands in the air and giving up with a given form.
static const size_t maxPasswords = 3;
void findPasswordFormFields(HTMLFormElement* form, PasswordFormFields* fields)
HTMLInputElement* latestInputElement = 0;
const Vector<FormAssociatedElement*>& formElements = form->associatedElements();
for (size_t i = 0; i < formElements.size(); i++) {
if (!formElements[i]->isFormControlElement())
HTMLFormControlElement* control = toHTMLFormControlElement(formElements[i]);
if (control->isActivatedSubmit())
fields->submit = control;
if (!control->hasTagName(HTMLNames::inputTag))
HTMLInputElement* inputElement = toHTMLInputElement(control);
if (inputElement->isDisabledFormControl())
if ((fields->passwords.size() < maxPasswords)
&& inputElement->isPasswordField()) {
// We assume that the username is the input element before the
// first password element.
if (fields->passwords.isEmpty() && latestInputElement) {
fields->userName = latestInputElement;
// Remove the selected username from alternateUserNames.
if (!fields->alternateUserNames.isEmpty() && !latestInputElement->value().isEmpty())
// Various input types such as text, url, email can be a username field.
if (inputElement->isTextField() && !inputElement->isPasswordField()) {
latestInputElement = inputElement;
// We ignore elements that have no value. Unlike userName, alternateUserNames
// is used only for autofill, not for form identification, and blank autofill
// entries are not useful.
if (!inputElement->value().isEmpty())
} // namespace WebKit