1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
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/
8 *
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
12 * License.
13 *
14 * The Original Code is Mozilla Password Manager.
15 *
16 * The Initial Developer of the Original Code is
17 * Brian Ryner.
18 * Portions created by the Initial Developer are Copyright (C) 2003
19 * the Initial Developer. All Rights Reserved.
20 *
21 * Contributor(s):
22 * Brian Ryner <bryner@brianryner.com>
23 *
24 * Alternatively, the contents of this file may be used under the terms of
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"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
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33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
35 *
36 * ***** END LICENSE BLOCK ***** */
37
38 // Helper to WebPasswordFormData to do the locating of username/password
39 // fields.
40 // This method based on Firefox2 code in
41 // toolkit/components/passwordmgr/base/nsPasswordManager.cpp
42
43 #include "config.h"
44 #include "WebPasswordFormUtils.h"
45
46 #include "HTMLFormElement.h"
47 #include "HTMLInputElement.h"
48 #include "HTMLNames.h"
49 #include "KURL.h"
50
51 #include "DOMUtilitiesPrivate.h"
52
53 using namespace WebCore;
54
55 namespace WebKit {
56
57 // Maximum number of password fields we will observe before throwing our
58 // hands in the air and giving up with a given form.
59 static const size_t maxPasswords = 3;
60
findPasswordFormFields(HTMLFormElement * form,PasswordFormFields * fields)61 void findPasswordFormFields(HTMLFormElement* form, PasswordFormFields* fields)
62 {
63 ASSERT(form);
64 ASSERT(fields);
65
66 int firstPasswordIndex = 0;
67 // First, find the password fields and activated submit button
68 const Vector<FormAssociatedElement*>& formElements = form->associatedElements();
69 for (size_t i = 0; i < formElements.size(); i++) {
70 if (!formElements[i]->isFormControlElement())
71 continue;
72 HTMLFormControlElement* formElement = static_cast<HTMLFormControlElement*>(formElements[i]);
73 if (formElement->isActivatedSubmit())
74 fields->submit = formElement;
75
76 if (!formElement->hasLocalName(HTMLNames::inputTag))
77 continue;
78
79 HTMLInputElement* inputElement = toHTMLInputElement(formElement);
80 if (!inputElement->isEnabledFormControl())
81 continue;
82
83 if ((fields->passwords.size() < maxPasswords)
84 && inputElement->isPasswordField()
85 && inputElement->autoComplete()) {
86 if (fields->passwords.isEmpty())
87 firstPasswordIndex = i;
88 fields->passwords.append(inputElement);
89 }
90 }
91
92 if (!fields->passwords.isEmpty()) {
93 // Then, search backwards for the username field
94 for (int i = firstPasswordIndex - 1; i >= 0; i--) {
95 if (!formElements[i]->isFormControlElement())
96 continue;
97 HTMLFormControlElement* formElement = static_cast<HTMLFormControlElement*>(formElements[i]);
98 if (!formElement->hasLocalName(HTMLNames::inputTag))
99 continue;
100
101 HTMLInputElement* inputElement = toHTMLInputElement(formElement);
102 if (!inputElement->isEnabledFormControl())
103 continue;
104
105 // Various input types such as text, url, email can be a username field.
106 if ((inputElement->isTextField() && !inputElement->isPasswordField())
107 && (inputElement->autoComplete())) {
108 fields->userName = inputElement;
109 break;
110 }
111 }
112 }
113 }
114
115 } // namespace WebKit
116