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

    28 * of those above. If you wish to allow use of your version of this file only

    29 * under the terms of either the GPL or the LGPL, and not to allow others to

    30 * use your version of this file under the terms of the MPL, indicate your

    31 * decision by deleting the provisions above and replace them with the notice

    32 * and other provisions required by the GPL or the LGPL. If you do not delete

    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 

    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<HTMLFormControlElement*>& formElements = form->associatedElements();

    69     for (size_t i = 0; i < formElements.size(); i++) {

    70         HTMLFormControlElement* formElement = formElements[i];

    71         if (formElement->isActivatedSubmit())

    72             fields->submit = formElement;

    73 

    74         if (!formElement->hasLocalName(HTMLNames::inputTag))

    75             continue;

    76 

    77         HTMLInputElement* inputElement = toHTMLInputElement(formElement);

    78         if (!inputElement->isEnabledFormControl())

    79             continue;

    80 

    81         if ((fields->passwords.size() < maxPasswords)

    82             && (inputElement->inputType() == HTMLInputElement::PASSWORD)

    83             && (inputElement->autoComplete())) {

    84             if (fields->passwords.isEmpty())

    85                 firstPasswordIndex = i;

    86             fields->passwords.append(inputElement);

    87         }

    88     }

    89 

    90     if (!fields->passwords.isEmpty()) {

    91         // Then, search backwards for the username field

    92         for (int i = firstPasswordIndex - 1; i >= 0; i--) {

    93             HTMLFormControlElement* formElement = formElements[i];

    94             if (!formElement->hasLocalName(HTMLNames::inputTag))

    95                 continue;

    96 

    97             HTMLInputElement* inputElement = toHTMLInputElement(formElement);

    98             if (!inputElement->isEnabledFormControl())

    99                 continue;

   100 

   101             if ((inputElement->inputType() == HTMLInputElement::TEXT)

   102                 && (inputElement->autoComplete())) {

   103                 fields->userName = inputElement;

   104                 break;

   105             }

   106         }

   107     }

   108 }

   109 

   110 } // namespace WebKit