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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2001 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
      6  *           (C) 2006 Alexey Proskuryakov (ap (at) nypop.com)
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #include "config.h"
     26 #include "core/html/HTMLKeygenElement.h"
     27 
     28 #include "bindings/v8/ExceptionStatePlaceholder.h"
     29 #include "core/HTMLNames.h"
     30 #include "core/dom/Document.h"
     31 #include "core/dom/Text.h"
     32 #include "core/dom/shadow/ShadowRoot.h"
     33 #include "core/html/FormDataList.h"
     34 #include "core/html/HTMLOptionElement.h"
     35 #include "core/html/HTMLSelectElement.h"
     36 #include "platform/SSLKeyGenerator.h"
     37 #include "wtf/StdLibExtras.h"
     38 
     39 using namespace WebCore;
     40 
     41 namespace WebCore {
     42 
     43 using namespace HTMLNames;
     44 
     45 HTMLKeygenElement::HTMLKeygenElement(Document& document, HTMLFormElement* form)
     46     : HTMLFormControlElementWithState(keygenTag, document, form)
     47 {
     48     ScriptWrappable::init(this);
     49 }
     50 
     51 PassRefPtrWillBeRawPtr<HTMLKeygenElement> HTMLKeygenElement::create(Document& document, HTMLFormElement* form)
     52 {
     53     RefPtrWillBeRawPtr<HTMLKeygenElement> keygen = adoptRefWillBeNoop(new HTMLKeygenElement(document, form));
     54     keygen->ensureUserAgentShadowRoot();
     55     return keygen.release();
     56 }
     57 
     58 void HTMLKeygenElement::didAddUserAgentShadowRoot(ShadowRoot& root)
     59 {
     60     DEFINE_STATIC_LOCAL(AtomicString, keygenSelectPseudoId, ("-webkit-keygen-select", AtomicString::ConstructFromLiteral));
     61 
     62     Vector<String> keys;
     63     getSupportedKeySizes(locale(), keys);
     64 
     65     // Create a select element with one option element for each key size.
     66     RefPtrWillBeRawPtr<HTMLSelectElement> select = HTMLSelectElement::create(document());
     67     select->setShadowPseudoId(keygenSelectPseudoId);
     68     for (size_t i = 0; i < keys.size(); ++i) {
     69         RefPtrWillBeRawPtr<HTMLOptionElement> option = HTMLOptionElement::create(document());
     70         option->appendChild(Text::create(document(), keys[i]));
     71         select->appendChild(option);
     72     }
     73 
     74     root.appendChild(select);
     75 }
     76 
     77 void HTMLKeygenElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
     78 {
     79     // Reflect disabled attribute on the shadow select element
     80     if (name == disabledAttr)
     81         shadowSelect()->setAttribute(name, value);
     82 
     83     HTMLFormControlElement::parseAttribute(name, value);
     84 }
     85 
     86 bool HTMLKeygenElement::appendFormData(FormDataList& encoding, bool)
     87 {
     88     // Only RSA is supported at this time.
     89     const AtomicString& keyType = fastGetAttribute(keytypeAttr);
     90     if (!keyType.isNull() && !equalIgnoringCase(keyType, "rsa"))
     91         return false;
     92     String value = signedPublicKeyAndChallengeString(shadowSelect()->selectedIndex(), fastGetAttribute(challengeAttr), document().baseURL());
     93     if (value.isNull())
     94         return false;
     95     encoding.appendData(name(), value.utf8());
     96     return true;
     97 }
     98 
     99 const AtomicString& HTMLKeygenElement::formControlType() const
    100 {
    101     DEFINE_STATIC_LOCAL(const AtomicString, keygen, ("keygen", AtomicString::ConstructFromLiteral));
    102     return keygen;
    103 }
    104 
    105 void HTMLKeygenElement::resetImpl()
    106 {
    107     shadowSelect()->reset();
    108 }
    109 
    110 HTMLSelectElement* HTMLKeygenElement::shadowSelect() const
    111 {
    112     ShadowRoot* root = userAgentShadowRoot();
    113     return root ? toHTMLSelectElement(root->firstChild()) : 0;
    114 }
    115 
    116 bool HTMLKeygenElement::isInteractiveContent() const
    117 {
    118     return true;
    119 }
    120 
    121 bool HTMLKeygenElement::supportsAutofocus() const
    122 {
    123     return true;
    124 }
    125 
    126 } // namespace
    127