1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
14 * The Original Code is Mozilla Password Manager.
16 * The Initial Developer of the Original Code is
18 * Portions created by the Initial Developer are Copyright (C) 2003
19 * the Initial Developer. All Rights Reserved.
22 * Brian Ryner <bryner@brianryner.com>
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25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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36 * ***** END LICENSE BLOCK ***** */
38 // Helper to WebPasswordFormData to do the locating of username/password
40 // This method based on Firefox2 code in
41 // toolkit/components/passwordmgr/base/nsPasswordManager.cpp
44 #include "WebPasswordFormUtils.h"
46 #include "HTMLNames.h"
47 #include "core/html/HTMLFormElement.h"
48 #include "core/html/HTMLInputElement.h"
50 using namespace WebCore;
54 // Maximum number of password fields we will observe before throwing our
55 // hands in the air and giving up with a given form.
56 static const size_t maxPasswords = 3;
58 void findPasswordFormFields(HTMLFormElement* form, PasswordFormFields* fields)
63 HTMLInputElement* latestInputElement = 0;
64 const Vector<FormAssociatedElement*>& formElements = form->associatedElements();
65 for (size_t i = 0; i < formElements.size(); i++) {
66 if (!formElements[i]->isFormControlElement())
68 HTMLFormControlElement* control = toHTMLFormControlElement(formElements[i]);
69 if (control->isActivatedSubmit())
70 fields->submit = control;
72 if (!isHTMLInputElement(*control))
75 HTMLInputElement& inputElement = toHTMLInputElement(*control);
76 if (inputElement.isDisabledFormControl())
79 if ((fields->passwords.size() < maxPasswords)
80 && inputElement.isPasswordField()) {
81 // We assume that the username is the input element before the
82 // first password element.
83 if (fields->passwords.isEmpty() && latestInputElement) {
84 fields->userName = latestInputElement;
85 // Remove the selected username from alternateUserNames.
86 if (!fields->alternateUserNames.isEmpty() && !latestInputElement->value().isEmpty())
87 fields->alternateUserNames.removeLast();
89 fields->passwords.append(&inputElement);
92 // Various input types such as text, url, email can be a username field.
93 if (inputElement.isTextField() && !inputElement.isPasswordField()) {
94 latestInputElement = &inputElement;
95 // We ignore elements that have no value. Unlike userName, alternateUserNames
96 // is used only for autofill, not for form identification, and blank autofill
97 // entries are not useful.
98 if (!inputElement.value().isEmpty())
99 fields->alternateUserNames.append(inputElement.value());