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autofill_agent.cc
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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/autofill/content/renderer/autofill_agent.h"
#include <stddef.h>
#include <tuple>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/alias.h"
#include "base/debug/dump_without_crashing.h"
#include "base/feature_list.h"
#include "base/i18n/case_conversion.h"
#include "base/location.h"
#include "base/metrics/field_trial.h"
#include "base/optional.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/autofill/content/renderer/autofill_assistant_agent.h"
#include "components/autofill/content/renderer/form_autofill_util.h"
#include "components/autofill/content/renderer/form_tracker.h"
#include "components/autofill/content/renderer/password_autofill_agent.h"
#include "components/autofill/content/renderer/password_generation_agent.h"
#include "components/autofill/content/renderer/renderer_save_password_progress_logger.h"
#include "components/autofill/core/common/autofill_constants.h"
#include "components/autofill/core/common/autofill_data_validation.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/autofill/core/common/autofill_switches.h"
#include "components/autofill/core/common/autofill_tick_clock.h"
#include "components/autofill/core/common/autofill_util.h"
#include "components/autofill/core/common/form_data.h"
#include "components/autofill/core/common/form_data_predictions.h"
#include "components/autofill/core/common/form_field_data.h"
#include "components/autofill/core/common/password_form_fill_data.h"
#include "components/autofill/core/common/save_password_progress_logger.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/origin_util.h"
#include "content/public/common/url_constants.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "net/cert/cert_status_flags.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/common/input/web_keyboard_event.h"
#include "third_party/blink/public/platform/web_url_request.h"
#include "third_party/blink/public/web/web_ax_enums.h"
#include "third_party/blink/public/web/web_ax_object.h"
#include "third_party/blink/public/web/web_console_message.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_element_collection.h"
#include "third_party/blink/public/web/web_form_control_element.h"
#include "third_party/blink/public/web/web_form_element.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_node.h"
#include "third_party/blink/public/web/web_option_element.h"
#include "third_party/blink/public/web/web_view.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/keycodes/keyboard_codes.h"
using blink::WebAutofillClient;
using blink::WebAutofillState;
using blink::WebAXObject;
using blink::WebConsoleMessage;
using blink::WebDocument;
using blink::WebElement;
using blink::WebElementCollection;
using blink::WebFormControlElement;
using blink::WebFormElement;
using blink::WebFrame;
using blink::WebInputElement;
using blink::WebKeyboardEvent;
using blink::WebLocalFrame;
using blink::WebNode;
using blink::WebOptionElement;
using blink::WebString;
using blink::WebVector;
namespace autofill {
using form_util::ExtractMask;
using form_util::FindFormAndFieldForFormControlElement;
using form_util::UnownedFormElementsAndFieldSetsToFormData;
using mojom::SubmissionSource;
using ShowAll = PasswordAutofillAgent::ShowAll;
using GenerationShowing = PasswordAutofillAgent::GenerationShowing;
namespace {
// Time to wait, in ms, o ensure that only a single select change will be acted
// upon, instead of multiple in close succession (debounce time).
size_t kWaitTimeForSelectOptionsChangesMs = 50;
// Helper function to return EXTRACT_DATALIST if kAutofillExtractAllDatalist is
// enabled, otherwise EXTRACT_NONE is returned.
ExtractMask GetExtractDatalistMask() {
return base::FeatureList::IsEnabled(features::kAutofillExtractAllDatalists)
? form_util::EXTRACT_DATALIST
: form_util::EXTRACT_NONE;
}
} // namespace
AutofillAgent::ShowSuggestionsOptions::ShowSuggestionsOptions()
: autofill_on_empty_values(false),
requires_caret_at_end(false),
show_full_suggestion_list(false),
autoselect_first_suggestion(false) {}
AutofillAgent::AutofillAgent(content::RenderFrame* render_frame,
PasswordAutofillAgent* password_autofill_agent,
PasswordGenerationAgent* password_generation_agent,
AutofillAssistantAgent* autofill_assistant_agent,
blink::AssociatedInterfaceRegistry* registry)
: content::RenderFrameObserver(render_frame),
form_cache_(render_frame->GetWebFrame()),
password_autofill_agent_(password_autofill_agent),
password_generation_agent_(password_generation_agent),
autofill_assistant_agent_(autofill_assistant_agent),
autofill_query_id_(0),
query_node_autofill_state_(WebAutofillState::kNotFilled),
is_popup_possibly_visible_(false),
is_generation_popup_possibly_visible_(false),
is_user_gesture_required_(true),
is_secure_context_required_(false),
form_tracker_(render_frame),
field_data_manager_(password_autofill_agent->GetFieldDataManager()) {
render_frame->GetWebFrame()->SetAutofillClient(this);
password_autofill_agent->SetAutofillAgent(this);
AddFormObserver(this);
registry->AddInterface(base::BindRepeating(
&AutofillAgent::BindPendingReceiver, base::Unretained(this)));
}
// The destructor is not guaranteed to be called. Destruction happens (only)
// through the OnDestruct() event, which posts a task to delete this object.
// The process may be killed before this deletion can happen.
AutofillAgent::~AutofillAgent() {
RemoveFormObserver(this);
}
void AutofillAgent::BindPendingReceiver(
mojo::PendingAssociatedReceiver<mojom::AutofillAgent> pending_receiver) {
receiver_.Bind(std::move(pending_receiver));
}
void AutofillAgent::DidCommitProvisionalLoad(ui::PageTransition transition) {
blink::WebFrame* frame = render_frame()->GetWebFrame();
// TODO(dvadym): check if we need to check if it is main frame navigation
// http://crbug.com/443155
if (frame->Parent())
return; // Not a top-level navigation.
// Navigation to a new page or a page refresh.
element_.Reset();
form_cache_.Reset();
ResetLastInteractedElements();
OnFormNoLongerSubmittable();
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::DidFinishDocumentLoad() {
ProcessForms();
}
void AutofillAgent::DidChangeScrollOffset() {
if (element_.IsNull())
return;
if (!focus_requires_scroll_) {
// Post a task here since scroll offset may change during layout.
// (https://crbug.com/804886)
weak_ptr_factory_.InvalidateWeakPtrs();
render_frame()
->GetTaskRunner(blink::TaskType::kInternalUserInteraction)
->PostTask(FROM_HERE,
base::BindOnce(&AutofillAgent::DidChangeScrollOffsetImpl,
weak_ptr_factory_.GetWeakPtr(), element_));
} else {
HidePopup();
}
}
void AutofillAgent::DidChangeScrollOffsetImpl(
const WebFormControlElement& element) {
if (element != element_ || element_.IsNull() || focus_requires_scroll_ ||
!is_popup_possibly_visible_ || !element_.Focused())
return;
FormData form;
FormFieldData field;
if (FindFormAndFieldForFormControlElement(
element_, field_data_manager_.get(),
static_cast<ExtractMask>(form_util::EXTRACT_BOUNDS |
GetExtractDatalistMask()),
&form, &field)) {
GetAutofillDriver()->TextFieldDidScroll(form, field, field.bounds);
}
// Ignore subsequent scroll offset changes.
HidePopup();
}
void AutofillAgent::FocusedElementChanged(const WebElement& element) {
was_focused_before_now_ = false;
HidePopup();
if (element.IsNull()) {
// Focus moved away from the last interacted form (if any) to somewhere else
// on the page.
GetAutofillDriver()->FocusNoLongerOnForm(!last_interacted_form_.IsNull());
return;
}
const WebInputElement* input = ToWebInputElement(&element);
bool focus_moved_to_new_form = false;
if (!last_interacted_form_.IsNull() &&
(!input || last_interacted_form_ != input->Form())) {
// The focused element is not part of the last interacted form (could be
// in a different form).
GetAutofillDriver()->FocusNoLongerOnForm(/*had_interacted_form=*/true);
focus_moved_to_new_form = true;
}
// Calls HandleFocusChangeComplete() after notifying the focus is no longer on
// the previous form, then early return. No need to notify the newly focused
// element because that will be done by HandleFocusChangeComplete() which
// triggers FormControlElementClicked().
// Refer to http://crbug.com/1105254
if ((IsKeyboardAccessoryEnabled() || !focus_requires_scroll_) &&
!element.IsNull() &&
element.GetDocument().GetFrame()->HasTransientUserActivation()) {
focused_node_was_last_clicked_ = true;
HandleFocusChangeComplete();
}
if (focus_moved_to_new_form)
return;
if (!input || !input->IsEnabled() || input->IsReadOnly() ||
!input->IsTextField())
return;
element_ = *input;
FormData form;
FormFieldData field;
if (FindFormAndFieldForFormControlElement(
element_, field_data_manager_.get(),
static_cast<ExtractMask>(form_util::EXTRACT_BOUNDS |
GetExtractDatalistMask()),
&form, &field)) {
GetAutofillDriver()->FocusOnFormField(form, field, field.bounds);
}
}
void AutofillAgent::OnDestruct() {
Shutdown();
base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
}
void AutofillAgent::AccessibilityModeChanged(const ui::AXMode& mode) {
is_screen_reader_enabled_ = mode.has_mode(ui::AXMode::kScreenReader);
}
void AutofillAgent::FireHostSubmitEvents(const WebFormElement& form,
bool known_success,
SubmissionSource source) {
FormData form_data;
if (!form_util::ExtractFormData(form, *field_data_manager_.get(), &form_data))
return;
FireHostSubmitEvents(form_data, known_success, source);
}
void AutofillAgent::FireHostSubmitEvents(const FormData& form_data,
bool known_success,
SubmissionSource source) {
// We don't want to fire duplicate submission event.
if (!base::FeatureList::IsEnabled(
features::kAutofillAllowDuplicateFormSubmissions) &&
!submitted_forms_.insert(form_data.unique_renderer_id).second) {
return;
}
GetAutofillDriver()->FormSubmitted(form_data, known_success, source);
}
void AutofillAgent::Shutdown() {
receiver_.reset();
weak_ptr_factory_.InvalidateWeakPtrs();
}
void AutofillAgent::TextFieldDidEndEditing(const WebInputElement& element) {
// Sometimes "blur" events are side effects of the password generation
// handling the page. They should not affect any UI in the browser.
if (password_generation_agent_ &&
password_generation_agent_->ShouldIgnoreBlur()) {
return;
}
GetAutofillDriver()->DidEndTextFieldEditing();
password_autofill_agent_->DidEndTextFieldEditing();
if (password_generation_agent_)
password_generation_agent_->DidEndTextFieldEditing(element);
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::SetUserGestureRequired(bool required) {
form_tracker_.set_user_gesture_required(required);
}
void AutofillAgent::TextFieldDidChange(const WebFormControlElement& element) {
form_tracker_.TextFieldDidChange(element);
}
void AutofillAgent::OnTextFieldDidChange(const WebInputElement& element) {
if (password_generation_agent_ &&
password_generation_agent_->TextDidChangeInTextField(element)) {
is_popup_possibly_visible_ = true;
return;
}
if (password_autofill_agent_->TextDidChangeInTextField(element)) {
is_popup_possibly_visible_ = true;
element_ = element;
return;
}
ShowSuggestionsOptions options;
options.requires_caret_at_end = true;
ShowSuggestions(element, options);
FormData form;
FormFieldData field;
if (FindFormAndFieldForFormControlElement(
element, field_data_manager_.get(),
static_cast<ExtractMask>(form_util::EXTRACT_BOUNDS |
GetExtractDatalistMask()),
&form, &field)) {
GetAutofillDriver()->TextFieldDidChange(form, field, field.bounds,
AutofillTickClock::NowTicks());
}
}
void AutofillAgent::TextFieldDidReceiveKeyDown(const WebInputElement& element,
const WebKeyboardEvent& event) {
if (event.windows_key_code == ui::VKEY_DOWN ||
event.windows_key_code == ui::VKEY_UP) {
ShowSuggestionsOptions options;
options.autofill_on_empty_values = true;
options.requires_caret_at_end = true;
options.autoselect_first_suggestion =
ShouldAutoselectFirstSuggestionOnArrowDown();
ShowSuggestions(element, options);
}
}
void AutofillAgent::OpenTextDataListChooser(const WebInputElement& element) {
ShowSuggestionsOptions options;
options.autofill_on_empty_values = true;
ShowSuggestions(element, options);
}
void AutofillAgent::DataListOptionsChanged(const WebInputElement& element) {
if (!is_popup_possibly_visible_ || !element.Focused())
return;
OnProvisionallySaveForm(WebFormElement(), element,
ElementChangeSource::TEXTFIELD_CHANGED);
}
void AutofillAgent::UserGestureObserved() {
password_autofill_agent_->UserGestureObserved();
}
void AutofillAgent::TriggerRefillIfNeeded(const FormData& form) {
ReplaceElementIfNowInvalid(form);
FormFieldData field;
FormData updated_form;
if (FindFormAndFieldForFormControlElement(element_, field_data_manager_.get(),
&updated_form, &field) &&
(!element_.IsAutofilled() || !form.DynamicallySameFormAs(updated_form))) {
WebLocalFrame* frame = render_frame()->GetWebFrame();
std::vector<FormData> forms;
forms.push_back(updated_form);
// Always communicate to browser process for topmost frame.
if (!forms.empty() || !frame->Parent()) {
GetAutofillDriver()->FormsSeen(forms);
}
}
}
// mojom::AutofillAgent:
void AutofillAgent::FillForm(int32_t id, const FormData& form) {
if (element_.IsNull())
return;
if (id != autofill_query_id_ && id != kNoQueryId)
return;
was_last_action_fill_ = true;
// If this is a re-fill, replace the triggering element if it's invalid.
if (id == kNoQueryId)
ReplaceElementIfNowInvalid(form);
query_node_autofill_state_ = element_.GetAutofillState();
form_util::FillForm(form, element_);
if (!element_.Form().IsNull())
UpdateLastInteractedForm(element_.Form());
// TODO(crbug.com/1198811): Inform the BrowserAutofillManager about the fields
// that were actually filled. It's possible that the form has changed since
// the time filling was triggered.
GetAutofillDriver()->DidFillAutofillFormData(form,
AutofillTickClock::NowTicks());
TriggerRefillIfNeeded(form);
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::PreviewForm(int32_t id, const FormData& form) {
if (element_.IsNull())
return;
if (id != autofill_query_id_)
return;
ClearPreviewedForm();
query_node_autofill_state_ = element_.GetAutofillState();
previewed_elements_ = form_util::PreviewForm(form, element_);
GetAutofillDriver()->DidPreviewAutofillFormData();
}
void AutofillAgent::FieldTypePredictionsAvailable(
const std::vector<FormDataPredictions>& forms) {
bool attach_predictions_to_dom =
base::FeatureList::IsEnabled(features::kAutofillShowTypePredictions);
for (const auto& form : forms) {
form_cache_.ShowPredictions(form, attach_predictions_to_dom);
}
}
void AutofillAgent::ClearSection() {
if (element_.IsNull())
return;
form_cache_.ClearSectionWithElement(element_);
}
void AutofillAgent::ClearPreviewedForm() {
// TODO(crbug.com/816533): It is very rare, but it looks like the |element_|
// can be null if a provisional load was committed immediately prior to
// clearing the previewed form.
if (element_.IsNull())
return;
if (password_autofill_agent_->DidClearAutofillSelection(element_))
return;
form_util::ClearPreviewedElements(previewed_elements_, element_,
query_node_autofill_state_);
previewed_elements_ = {};
}
void AutofillAgent::FillFieldWithValue(FieldRendererId field_id,
const std::u16string& value) {
if (element_.IsNull() ||
field_id != FieldRendererId(element_.UniqueRendererFormControlId())) {
return;
}
WebInputElement* input_element = ToWebInputElement(&element_);
if (input_element) {
DoFillFieldWithValue(value, input_element);
input_element->SetAutofillState(WebAutofillState::kAutofilled);
}
}
void AutofillAgent::PreviewFieldWithValue(FieldRendererId field_id,
const std::u16string& value) {
if (element_.IsNull() ||
field_id != FieldRendererId(element_.UniqueRendererFormControlId())) {
return;
}
WebInputElement* input_element = ToWebInputElement(&element_);
if (input_element)
DoPreviewFieldWithValue(value, input_element);
}
void AutofillAgent::SetSuggestionAvailability(
FieldRendererId field_id,
const mojom::AutofillState state) {
if (element_.IsNull() ||
field_id != FieldRendererId(element_.UniqueRendererFormControlId())) {
return;
}
WebInputElement* input_element = ToWebInputElement(&element_);
if (input_element) {
switch (state) {
case autofill::mojom::AutofillState::kAutofillAvailable:
WebAXObject::FromWebNode(*input_element)
.HandleAutofillStateChanged(
blink::WebAXAutofillState::kAutofillAvailable);
return;
case autofill::mojom::AutofillState::kAutocompleteAvailable:
WebAXObject::FromWebNode(*input_element)
.HandleAutofillStateChanged(
blink::WebAXAutofillState::kAutocompleteAvailable);
return;
case autofill::mojom::AutofillState::kNoSuggestions:
WebAXObject::FromWebNode(*input_element)
.HandleAutofillStateChanged(
blink::WebAXAutofillState::kNoSuggestions);
return;
}
NOTREACHED();
}
}
void AutofillAgent::AcceptDataListSuggestion(
FieldRendererId field_id,
const std::u16string& suggested_value) {
if (element_.IsNull() ||
field_id != FieldRendererId(element_.UniqueRendererFormControlId())) {
return;
}
WebInputElement* input_element = ToWebInputElement(&element_);
if (!input_element) {
// For reasons not understood yet, this is triggered on elements which are
// not input elements.
// TODO(crbug.com/1048270) Gather debug data.
DEBUG_ALIAS_FOR_CSTR(element_name, element_.TagName().Latin1().c_str(), 64);
base::debug::DumpWithoutCrashing();
// Keep this return after removing the TODO(crbug.com/1048270) above.
return;
}
std::u16string new_value = suggested_value;
// If this element takes multiple values then replace the last part with
// the suggestion.
if (input_element->IsMultiple() && input_element->IsEmailField()) {
std::u16string value = input_element->EditingValue().Utf16();
std::vector<base::StringPiece16> parts = base::SplitStringPiece(
value, u",", base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);
if (parts.size() == 0)
parts.push_back(base::StringPiece16());
std::u16string last_part(parts.back());
// We want to keep just the leading whitespace.
for (size_t i = 0; i < last_part.size(); ++i) {
if (!base::IsUnicodeWhitespace(last_part[i])) {
last_part = last_part.substr(0, i);
break;
}
}
last_part.append(suggested_value);
parts.back() = last_part;
new_value = base::JoinString(parts, u",");
}
DoFillFieldWithValue(new_value, input_element);
}
void AutofillAgent::FillPasswordSuggestion(const std::u16string& username,
const std::u16string& password) {
if (element_.IsNull())
return;
bool handled =
password_autofill_agent_->FillSuggestion(element_, username, password);
DCHECK(handled);
}
void AutofillAgent::PreviewPasswordSuggestion(const std::u16string& username,
const std::u16string& password) {
if (element_.IsNull())
return;
bool handled = password_autofill_agent_->PreviewSuggestion(
element_, blink::WebString::FromUTF16(username),
blink::WebString::FromUTF16(password));
DCHECK(handled);
}
bool AutofillAgent::CollectFormlessElements(FormData* output) const {
if (render_frame() == nullptr || render_frame()->GetWebFrame() == nullptr)
return false;
WebDocument document = render_frame()->GetWebFrame()->GetDocument();
// Build up the FormData from the unowned elements. This logic mostly
// mirrors the construction of the synthetic form in form_cache.cc, but
// happens at submit-time so we can capture the modifications the user
// has made, and doesn't depend on form_cache's internal state.
std::vector<WebElement> fieldsets;
std::vector<WebFormControlElement> control_elements =
form_util::GetUnownedAutofillableFormFieldElements(document.All(),
&fieldsets);
if (control_elements.size() > kMaxParseableFields)
return false;
const ExtractMask extract_mask = static_cast<ExtractMask>(
form_util::EXTRACT_VALUE | form_util::EXTRACT_OPTIONS);
return UnownedFormElementsAndFieldSetsToFormData(
fieldsets, control_elements, nullptr, document, field_data_manager_.get(),
extract_mask, output, nullptr);
}
void AutofillAgent::ShowSuggestions(const WebFormControlElement& element,
const ShowSuggestionsOptions& options) {
if (!element.IsEnabled() || element.IsReadOnly())
return;
if (!element.SuggestedValue().IsEmpty())
return;
const WebInputElement* input_element = ToWebInputElement(&element);
if (input_element) {
if (!input_element->IsTextField())
return;
if (!input_element->SuggestedValue().IsEmpty())
return;
} else {
DCHECK(form_util::IsTextAreaElement(element));
if (!element.ToConst<WebFormControlElement>().SuggestedValue().IsEmpty())
return;
}
// Don't attempt to autofill with values that are too large or if filling
// criteria are not met.
WebString value = element.EditingValue();
if (value.length() > kMaxDataLength ||
(!options.autofill_on_empty_values && value.IsEmpty()) ||
(options.requires_caret_at_end &&
(element.SelectionStart() != element.SelectionEnd() ||
element.SelectionEnd() != static_cast<int>(value.length())))) {
// Any popup currently showing is obsolete.
HidePopup();
return;
}
element_ = element;
if (form_util::IsAutofillableInputElement(input_element) &&
password_autofill_agent_->ShowSuggestions(
*input_element, ShowAll(options.show_full_suggestion_list),
GenerationShowing(is_generation_popup_possibly_visible_))) {
is_popup_possibly_visible_ = true;
return;
}
if (is_generation_popup_possibly_visible_)
return;
// Password field elements should only have suggestions shown by the password
// autofill agent.
// The /*disable presubmit*/ comment below is used to disable a presubmit
// script that ensures that only IsPasswordFieldForAutofill() is used in this
// code (it has to appear between the function name and the parentesis to not
// match a regex). In this specific case we are actually interested in whether
// the field is currently a password field, not whether it has ever been a
// password field.
if (input_element &&
input_element->IsPasswordField /*disable presubmit*/ () &&
!query_password_suggestion_) {
return;
}
QueryAutofillSuggestions(element, options.autoselect_first_suggestion);
}
void AutofillAgent::SetQueryPasswordSuggestion(bool query) {
query_password_suggestion_ = query;
}
void AutofillAgent::SetSecureContextRequired(bool required) {
is_secure_context_required_ = required;
}
void AutofillAgent::SetFocusRequiresScroll(bool require) {
focus_requires_scroll_ = require;
}
void AutofillAgent::GetElementFormAndFieldDataAtIndex(
const std::string& selector,
int index,
GetElementFormAndFieldDataAtIndexCallback callback) {
blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
if (!frame)
return;
blink::WebElement target_element;
blink::WebVector<blink::WebElement> elements =
render_frame()->GetWebFrame()->GetDocument().QuerySelectorAll(
blink::WebString::FromUTF8(selector));
if (index >= 0 && static_cast<size_t>(index) < elements.size()) {
target_element = elements[index];
}
FormData form;
FormFieldData field;
form.host_frame = LocalFrameToken(frame->GetLocalFrameToken().value());
field.host_frame = LocalFrameToken(frame->GetLocalFrameToken().value());
if (target_element.IsNull() || !target_element.IsFormControlElement()) {
return std::move(callback).Run(form, field);
}
blink::WebFormControlElement target_form_control_element =
target_element.To<blink::WebFormControlElement>();
bool success = FindFormAndFieldForFormControlElement(
target_form_control_element, field_data_manager_.get(), &form, &field);
if (success) {
// Remember this element so as to autofill the form without focusing the
// field for Autofill Assistant.
element_ = target_form_control_element;
}
// Do not expect failure.
DCHECK(success);
return std::move(callback).Run(form, field);
}
void AutofillAgent::SetAssistantActionState(bool running) {
DCHECK(autofill_assistant_agent_);
if (running) {
autofill_assistant_agent_->DisableKeyboard();
} else {
autofill_assistant_agent_->EnableKeyboard();
}
}
void AutofillAgent::EnableHeavyFormDataScraping() {
is_heavy_form_data_scraping_enabled_ = true;
}
void AutofillAgent::SetFieldsEligibleForManualFilling(
const std::vector<FieldRendererId>& fields) {
form_cache_.SetFieldsEligibleForManualFilling(fields);
}
void AutofillAgent::QueryAutofillSuggestions(
const WebFormControlElement& element,
bool autoselect_first_suggestion) {
blink::WebLocalFrame* frame = element.GetDocument().GetFrame();
if (!frame)
return;
DCHECK(ToWebInputElement(&element) || form_util::IsTextAreaElement(element));
static int query_counter = 0;
autofill_query_id_ = query_counter++;
FormData form;
FormFieldData field;
if (!FindFormAndFieldForFormControlElement(
element, field_data_manager_.get(),
static_cast<ExtractMask>(form_util::EXTRACT_BOUNDS |
GetExtractDatalistMask()),
&form, &field)) {
// |form| may be only partially initialized and may be sent to the browser
// in this state. Set at least the |host_frame| because sending an empty
// base::UnguessableToken is illegal.
form.host_frame = LocalFrameToken(frame->GetLocalFrameToken().value());
// If we didn't find the cached form, at least let autocomplete have a shot
// at providing suggestions.
WebFormControlElementToFormField(
element, nullptr,
static_cast<ExtractMask>(form_util::EXTRACT_VALUE |
form_util::EXTRACT_BOUNDS |
GetExtractDatalistMask()),
&field);
}
if (is_secure_context_required_ &&
!(element.GetDocument().IsSecureContext())) {
LOG(WARNING) << "Autofill suggestions are disabled because the document "
"isn't a secure context.";
return;
}
if (!base::FeatureList::IsEnabled(features::kAutofillExtractAllDatalists)) {
if (const WebInputElement* input_element = ToWebInputElement(&element)) {
// Find the datalist values and send them to the browser process.
form_util::GetDataListSuggestions(*input_element, &field.datalist_values,
&field.datalist_labels);
}
}
is_popup_possibly_visible_ = true;
GetAutofillDriver()->QueryFormFieldAutofill(autofill_query_id_, form, field,
field.bounds,
autoselect_first_suggestion);
}
void AutofillAgent::DoFillFieldWithValue(const std::u16string& value,
WebInputElement* node) {
form_tracker_.set_ignore_control_changes(true);
node->SetAutofillValue(blink::WebString::FromUTF16(value));
password_autofill_agent_->UpdateStateForTextChange(*node);
form_tracker_.set_ignore_control_changes(false);
}
void AutofillAgent::DoPreviewFieldWithValue(const std::u16string& value,
WebInputElement* node) {
ClearPreviewedForm();
query_node_autofill_state_ = element_.GetAutofillState();
node->SetSuggestedValue(blink::WebString::FromUTF16(value));
node->SetAutofillState(WebAutofillState::kPreviewed);
form_util::PreviewSuggestion(node->SuggestedValue().Utf16(),
node->Value().Utf16(), node);
previewed_elements_.push_back(*node);
}
void AutofillAgent::ProcessForms() {
WebLocalFrame* frame = render_frame()->GetWebFrame();
std::vector<FormData> forms =
form_cache_.ExtractNewForms(field_data_manager_.get());
// Always communicate to browser process for topmost frame.
if (!forms.empty() || !frame->Parent()) {
GetAutofillDriver()->FormsSeen(forms);
}
}
void AutofillAgent::HidePopup() {
if (!is_popup_possibly_visible_)
return;
is_popup_possibly_visible_ = false;
is_generation_popup_possibly_visible_ = false;
// The keyboard accessory has a separate, more complex hiding logic.
if (IsKeyboardAccessoryEnabled())
return;
GetAutofillDriver()->HidePopup();
}
void AutofillAgent::DidAssociateFormControlsDynamically() {
// If the control flow is here than the document was at least loaded. The
// whole page doesn't have to be loaded.
ProcessForms();
password_autofill_agent_->OnDynamicFormsSeen();
}
void AutofillAgent::DidCompleteFocusChangeInFrame() {
WebDocument doc = render_frame()->GetWebFrame()->GetDocument();
WebElement focused_element;
if (!doc.IsNull())
focused_element = doc.FocusedElement();
if (!focused_element.IsNull() && password_autofill_agent_)
password_autofill_agent_->FocusedNodeHasChanged(focused_element);
// PasswordGenerationAgent needs to know about focus changes, even if there is
// no focused element.
if (password_generation_agent_ &&
password_generation_agent_->FocusedNodeHasChanged(focused_element)) {
is_generation_popup_possibly_visible_ = true;
is_popup_possibly_visible_ = true;
}
if (!IsKeyboardAccessoryEnabled() && focus_requires_scroll_)
HandleFocusChangeComplete();
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::DidReceiveLeftMouseDownOrGestureTapInNode(
const WebNode& node) {
DCHECK(!node.IsNull());
focused_node_was_last_clicked_ = node.Focused();
if (IsTouchToFillEnabled() || IsKeyboardAccessoryEnabled() ||
!focus_requires_scroll_) {
HandleFocusChangeComplete();
}
}
void AutofillAgent::SelectControlDidChange(
const WebFormControlElement& element) {
form_tracker_.SelectControlDidChange(element);
}
void AutofillAgent::SelectFieldOptionsChanged(
const blink::WebFormControlElement& element) {
if (!was_last_action_fill_ || element_.IsNull())
return;
// Since a change of a select options often come in batches, use a timer
// to wait for other changes. Stop the timer if it was already running. It
// will be started again for this change.
if (on_select_update_timer_.IsRunning())
on_select_update_timer_.AbandonAndStop();
// Start the timer to notify the driver that the select field was updated
// after the options have finished changing,
on_select_update_timer_.Start(
FROM_HERE,
base::TimeDelta::FromMilliseconds(kWaitTimeForSelectOptionsChangesMs),
base::BindRepeating(&AutofillAgent::SelectWasUpdated,
weak_ptr_factory_.GetWeakPtr(), element));
}
bool AutofillAgent::ShouldSuppressKeyboard(
const WebFormControlElement& element) {
// Note: Consider supporting other autofill types in the future as well.
return password_autofill_agent_->ShouldSuppressKeyboard() ||
(autofill_assistant_agent_ &&
autofill_assistant_agent_->ShouldSuppressKeyboard());
}
void AutofillAgent::FormElementReset(const WebFormElement& form) {
password_autofill_agent_->InformAboutFormClearing(form);
}
void AutofillAgent::PasswordFieldReset(const WebInputElement& element) {
password_autofill_agent_->InformAboutFieldClearing(element);
}
void AutofillAgent::SelectWasUpdated(
const blink::WebFormControlElement& element) {
// Look for the form and field associated with the select element. If they are
// found, notify the driver that the the form was modified dynamically.
FormData form;
FormFieldData field;
if (FindFormAndFieldForFormControlElement(element, field_data_manager_.get(),
&form, &field) &&
!field.option_values.empty()) {
GetAutofillDriver()->SelectFieldOptionsDidChange(form);
}
}
void AutofillAgent::FormControlElementClicked(
const WebFormControlElement& element,
bool was_focused) {
last_clicked_form_control_element_for_testing_ = element;
last_clicked_form_control_element_was_focused_for_testing_ = was_focused;
was_last_action_fill_ = false;
const WebInputElement* input_element = ToWebInputElement(&element);
if (!input_element && !form_util::IsTextAreaElement(element))
return;
if (IsTouchToFillEnabled())
password_autofill_agent_->TryToShowTouchToFill(element);
ShowSuggestionsOptions options;
options.autofill_on_empty_values = true;
// Show full suggestions when clicking on an already-focused form field.
options.show_full_suggestion_list = element.IsAutofilled() || was_focused;
ShowSuggestions(element, options);
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::HandleFocusChangeComplete() {
WebElement focused_element =
render_frame()->GetWebFrame()->GetDocument().FocusedElement();
// When using Talkback on Android, and possibly others, traversing to and
// focusing a field will not register as a click. Thus, when screen readers
// are used, treat the focused node as if it was the last clicked. Also check
// to ensure focus is on a field where text can be entered.
if ((focused_node_was_last_clicked_ || is_screen_reader_enabled_) &&
!focused_element.IsNull() && focused_element.IsFormControlElement() &&
(form_util::IsTextInput(blink::ToWebInputElement(&focused_element)) ||
focused_element.HasHTMLTagName("textarea"))) {
FormControlElementClicked(focused_element.ToConst<WebFormControlElement>(),
was_focused_before_now_);
}
was_focused_before_now_ = true;
focused_node_was_last_clicked_ = false;
SendPotentiallySubmittedFormToBrowser();
}
void AutofillAgent::AjaxSucceeded() {
form_tracker_.AjaxSucceeded();