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 53using namespace WebCore; 54 55namespace 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. 59static const size_t maxPasswords = 3; 60 61void 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