Пример #1
0
// Constructs a new URL given a base URL and a possibly relative input URL.
// Any query portion of the relative URL will be encoded in the given encoding.
KURL::KURL(const KURL& base, const String& relative, const WTF::TextEncoding& encoding)
{
    init(base, relative, &encoding.encodingForFormSubmission());
}
PassRefPtrWillBeRawPtr<FormSubmission> FormSubmission::create(HTMLFormElement* form, const Attributes& attributes, PassRefPtrWillBeRawPtr<Event> event)
{
    ASSERT(form);

    HTMLFormControlElement* submitButton = 0;
    if (event && event->target()) {
        for (Node* node = event->target()->toNode(); node; node = node->parentOrShadowHostNode()) {
            if (node->isElementNode() && toElement(node)->isFormControlElement()) {
                submitButton = toHTMLFormControlElement(node);
                break;
            }
        }
    }

    FormSubmission::Attributes copiedAttributes;
    copiedAttributes.copyFrom(attributes);
    if (submitButton) {
        AtomicString attributeValue;
        if (!(attributeValue = submitButton->fastGetAttribute(formactionAttr)).isNull())
            copiedAttributes.parseAction(attributeValue);
        if (!(attributeValue = submitButton->fastGetAttribute(formenctypeAttr)).isNull())
            copiedAttributes.updateEncodingType(attributeValue);
        if (!(attributeValue = submitButton->fastGetAttribute(formmethodAttr)).isNull())
            copiedAttributes.updateMethodType(attributeValue);
        if (!(attributeValue = submitButton->fastGetAttribute(formtargetAttr)).isNull())
            copiedAttributes.setTarget(attributeValue);
    }

    if (copiedAttributes.method() == DialogMethod) {
        if (submitButton)
            return adoptRefWillBeNoop(new FormSubmission(submitButton->resultForDialogSubmit()));
        return adoptRefWillBeNoop(new FormSubmission(""));
    }

    Document& document = form->document();
    KURL actionURL = document.completeURL(copiedAttributes.action().isEmpty() ? document.url().string() : copiedAttributes.action());
    bool isMailtoForm = actionURL.protocolIs("mailto");
    bool isMultiPartForm = false;
    AtomicString encodingType = copiedAttributes.encodingType();

    if (copiedAttributes.method() == PostMethod) {
        isMultiPartForm = copiedAttributes.isMultiPartForm();
        if (isMultiPartForm && isMailtoForm) {
            encodingType = AtomicString("application/x-www-form-urlencoded", AtomicString::ConstructFromLiteral);
            isMultiPartForm = false;
        }
    }
    WTF::TextEncoding dataEncoding = isMailtoForm ? UTF8Encoding() : FormDataEncoder::encodingFromAcceptCharset(copiedAttributes.acceptCharset(), document.encoding());
    FormData* domFormData = FormData::create(dataEncoding.encodingForFormSubmission());

    bool containsPasswordData = false;
    for (unsigned i = 0; i < form->associatedElements().size(); ++i) {
        FormAssociatedElement* control = form->associatedElements()[i];
        ASSERT(control);
        HTMLElement& element = toHTMLElement(*control);
        if (!element.isDisabledFormControl())
            control->appendToFormData(*domFormData);
        if (isHTMLInputElement(element)) {
            HTMLInputElement& input = toHTMLInputElement(element);
            if (input.type() == InputTypeNames::password && !input.value().isEmpty())
                containsPasswordData = true;
        }
    }

    RefPtr<EncodedFormData> formData;
    String boundary;

    if (isMultiPartForm) {
        formData = domFormData->encodeMultiPartFormData();
        boundary = formData->boundary().data();
    } else {
        formData = domFormData->encodeFormData(attributes.method() == GetMethod ? EncodedFormData::FormURLEncoded : EncodedFormData::parseEncodingType(encodingType));
        if (copiedAttributes.method() == PostMethod && isMailtoForm) {
            // Convert the form data into a string that we put into the URL.
            appendMailtoPostFormDataToURL(actionURL, *formData, encodingType);
            formData = EncodedFormData::create();
        }
    }

    formData->setIdentifier(generateFormDataIdentifier());
    formData->setContainsPasswordData(containsPasswordData);
    AtomicString targetOrBaseTarget = copiedAttributes.target().isEmpty() ? document.baseTarget() : copiedAttributes.target();
    return adoptRefWillBeNoop(new FormSubmission(copiedAttributes.method(), actionURL, targetOrBaseTarget, encodingType, form, formData.release(), boundary, event));
}