WebSearchableFormData::WebSearchableFormData(const WebFormElement& form, const WebInputElement& selectedInputElement)
{
RefPtr<HTMLFormElement> formElement = form.operator PassRefPtr<HTMLFormElement>();
HTMLInputElement* inputElement = selectedInputElement.operator PassRefPtr<HTMLInputElement>().get();
// Only consider forms that GET data.
// Allow HTTPS only when an input element is provided.
if (equalIgnoringCase(formElement->getAttribute(methodAttr), "post")
|| (!IsHTTPFormSubmit(formElement.get()) && !inputElement))
return;
Vector<char> encodedString;
WTF::TextEncoding encoding;
GetFormEncoding(formElement.get(), &encoding);
if (!encoding.isValid()) {
// Need a valid encoding to encode the form elements.
// If the encoding isn't found webkit ends up replacing the params with
// empty strings. So, we don't try to do anything here.
return;
}
// Look for a suitable search text field in the form when a
// selectedInputElement is not provided.
if (!inputElement) {
inputElement = findSuitableSearchInputElement(formElement.get());
// Return if no suitable text element has been found.
if (!inputElement)
return;
}
HTMLFormControlElement* firstSubmitButton = GetButtonToActivate(formElement.get());
if (firstSubmitButton) {
// The form does not have an active submit button, make the first button
// active. We need to do this, otherwise the URL will not contain the
// name of the submit button.
firstSubmitButton->setActivatedSubmit(true);
}
bool isValidSearchString = buildSearchString(formElement.get(), &encodedString, &encoding, inputElement);
if (firstSubmitButton)
firstSubmitButton->setActivatedSubmit(false);
// Return if the search string is not valid.
if (!isValidSearchString)
return;
String action(formElement->action());
KURL url(formElement->document()->completeURL(action.isNull() ? "" : action));
RefPtr<FormData> formData = FormData::create(encodedString);
url.setQuery(formData->flattenToString());
m_url = url;
m_encoding = String(encoding.name());
}
void TextResourceDecoder::setEncoding(const WTF::TextEncoding& encoding, EncodingSource source)
{
// In case the encoding didn't exist, we keep the old one (helps some sites specifying invalid encodings).
if (!encoding.isValid())
return;
// When encoding comes from meta tag (i.e. it cannot be XML files sent via XHR),
// treat x-user-defined as windows-1252 (bug 18270)
if (source == EncodingFromMetaTag && !strcasecmp(encoding.name(), "x-user-defined"))
m_encoding = "windows-1252";
else if (source == EncodingFromMetaTag || source == EncodingFromXMLHeader || source == EncodingFromCSSCharset)
m_encoding = encoding.closestByteBasedEquivalent();
else
m_encoding = encoding;
m_codec.clear();
m_source = source;
}
inline std::unique_ptr<TextResourceDecoder>
TextResourceDecoderBuilder::createDecoderInstance(Document* document) {
const WTF::TextEncoding encodingFromDomain =
getEncodingFromDomain(document->url());
if (LocalFrame* frame = document->frame()) {
if (Settings* settings = frame->settings()) {
// Disable autodetection for XML to honor the default encoding (UTF-8) for
// unlabelled documents.
return TextResourceDecoder::create(
m_mimeType,
encodingFromDomain.isValid() ? encodingFromDomain
: settings->defaultTextEncodingName(),
!DOMImplementation::isXMLMIMEType(m_mimeType));
}
}
return TextResourceDecoder::create(m_mimeType, encodingFromDomain);
}
static bool isCharsetSpecifyingNode(Node* node)
{
if (!node->isHTMLElement())
return false;
HTMLElement* element = toHTMLElement(node);
if (!element->hasTagName(HTMLNames::metaTag))
return false;
HTMLMetaCharsetParser::AttributeList attributes;
if (element->hasAttributes()) {
for (unsigned i = 0; i < element->attributeCount(); ++i) {
const Attribute* attribute = element->attributeItem(i);
// FIXME: We should deal appropriately with the attribute if they have a namespace.
attributes.append(std::make_pair(attribute->name().toString(), attribute->value().string()));
}
}
WTF::TextEncoding textEncoding = HTMLMetaCharsetParser::encodingFromMetaAttributes(attributes);
return textEncoding.isValid();
}
// 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));
}
