| // 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/password_autofill_agent.h" |
| |
| #include "base/bind.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/metrics/histogram.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "components/autofill/content/common/autofill_messages.h" |
| #include "components/autofill/content/renderer/form_autofill_util.h" |
| #include "components/autofill/content/renderer/password_form_conversion_utils.h" |
| #include "components/autofill/core/common/form_field_data.h" |
| #include "components/autofill/core/common/password_autofill_util.h" |
| #include "components/autofill/core/common/password_form.h" |
| #include "components/autofill/core/common/password_form_fill_data.h" |
| #include "content/public/renderer/render_view.h" |
| #include "third_party/WebKit/public/platform/WebVector.h" |
| #include "third_party/WebKit/public/web/WebAutofillClient.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebElement.h" |
| #include "third_party/WebKit/public/web/WebFormElement.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebInputEvent.h" |
| #include "third_party/WebKit/public/web/WebNode.h" |
| #include "third_party/WebKit/public/web/WebNodeList.h" |
| #include "third_party/WebKit/public/web/WebSecurityOrigin.h" |
| #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "ui/events/keycodes/keyboard_codes.h" |
| |
| namespace autofill { |
| namespace { |
| |
| // The size above which we stop triggering autocomplete. |
| static const size_t kMaximumTextSizeForAutocomplete = 1000; |
| |
| // Maps element names to the actual elements to simplify form filling. |
| typedef std::map<base::string16, blink::WebInputElement> |
| FormInputElementMap; |
| |
| // Utility struct for form lookup and autofill. When we parse the DOM to look up |
| // a form, in addition to action and origin URL's we have to compare all |
| // necessary form elements. To avoid having to look these up again when we want |
| // to fill the form, the FindFormElements function stores the pointers |
| // in a FormElements* result, referenced to ensure they are safe to use. |
| struct FormElements { |
| blink::WebFormElement form_element; |
| FormInputElementMap input_elements; |
| }; |
| |
| typedef std::vector<FormElements*> FormElementsList; |
| |
| // Helper to search the given form element for the specified input elements |
| // in |data|, and add results to |result|. |
| static bool FindFormInputElements(blink::WebFormElement* fe, |
| const FormData& data, |
| FormElements* result) { |
| // Loop through the list of elements we need to find on the form in order to |
| // autofill it. If we don't find any one of them, abort processing this |
| // form; it can't be the right one. |
| for (size_t j = 0; j < data.fields.size(); j++) { |
| blink::WebVector<blink::WebNode> temp_elements; |
| fe->getNamedElements(data.fields[j].name, temp_elements); |
| |
| // Match the first input element, if any. |
| // |getNamedElements| may return non-input elements where the names match, |
| // so the results are filtered for input elements. |
| // If more than one match is made, then we have ambiguity (due to misuse |
| // of "name" attribute) so is it considered not found. |
| bool found_input = false; |
| for (size_t i = 0; i < temp_elements.size(); ++i) { |
| if (temp_elements[i].to<blink::WebElement>().hasTagName("input")) { |
| // Check for a non-unique match. |
| if (found_input) { |
| found_input = false; |
| break; |
| } |
| |
| // Only fill saved passwords into password fields and usernames into |
| // text fields. |
| blink::WebInputElement input_element = |
| temp_elements[i].to<blink::WebInputElement>(); |
| if (input_element.isPasswordField() != |
| (data.fields[j].form_control_type == "password")) |
| continue; |
| |
| // This element matched, add it to our temporary result. It's possible |
| // there are multiple matches, but for purposes of identifying the form |
| // one suffices and if some function needs to deal with multiple |
| // matching elements it can get at them through the FormElement*. |
| // Note: This assignment adds a reference to the InputElement. |
| result->input_elements[data.fields[j].name] = input_element; |
| found_input = true; |
| } |
| } |
| |
| // A required element was not found. This is not the right form. |
| // Make sure no input elements from a partially matched form in this |
| // iteration remain in the result set. |
| // Note: clear will remove a reference from each InputElement. |
| if (!found_input) { |
| result->input_elements.clear(); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // Helper to locate form elements identified by |data|. |
| void FindFormElements(blink::WebView* view, |
| const FormData& data, |
| FormElementsList* results) { |
| DCHECK(view); |
| DCHECK(results); |
| blink::WebFrame* main_frame = view->mainFrame(); |
| if (!main_frame) |
| return; |
| |
| GURL::Replacements rep; |
| rep.ClearQuery(); |
| rep.ClearRef(); |
| |
| // Loop through each frame. |
| for (blink::WebFrame* f = main_frame; f; f = f->traverseNext(false)) { |
| blink::WebDocument doc = f->document(); |
| if (!doc.isHTMLDocument()) |
| continue; |
| |
| GURL full_origin(doc.url()); |
| if (data.origin != full_origin.ReplaceComponents(rep)) |
| continue; |
| |
| blink::WebVector<blink::WebFormElement> forms; |
| doc.forms(forms); |
| |
| for (size_t i = 0; i < forms.size(); ++i) { |
| blink::WebFormElement fe = forms[i]; |
| |
| GURL full_action(f->document().completeURL(fe.action())); |
| if (full_action.is_empty()) { |
| // The default action URL is the form's origin. |
| full_action = full_origin; |
| } |
| |
| // Action URL must match. |
| if (data.action != full_action.ReplaceComponents(rep)) |
| continue; |
| |
| scoped_ptr<FormElements> curr_elements(new FormElements); |
| if (!FindFormInputElements(&fe, data, curr_elements.get())) |
| continue; |
| |
| // We found the right element. |
| // Note: this assignment adds a reference to |fe|. |
| curr_elements->form_element = fe; |
| results->push_back(curr_elements.release()); |
| } |
| } |
| } |
| |
| bool IsElementEditable(const blink::WebInputElement& element) { |
| return element.isEnabled() && !element.isReadOnly(); |
| } |
| |
| void SetElementAutofilled(blink::WebInputElement* element, bool autofilled) { |
| if (element->isAutofilled() == autofilled) |
| return; |
| element->setAutofilled(autofilled); |
| // Notify any changeEvent listeners. |
| element->dispatchFormControlChangeEvent(); |
| } |
| |
| bool DoUsernamesMatch(const base::string16& username1, |
| const base::string16& username2, |
| bool exact_match) { |
| if (exact_match) |
| return username1 == username2; |
| return StartsWith(username1, username2, true); |
| } |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // PasswordAutofillAgent, public: |
| |
| PasswordAutofillAgent::PasswordAutofillAgent(content::RenderView* render_view) |
| : content::RenderViewObserver(render_view), |
| usernames_usage_(NOTHING_TO_AUTOFILL), |
| web_view_(render_view->GetWebView()), |
| weak_ptr_factory_(this) { |
| } |
| |
| PasswordAutofillAgent::~PasswordAutofillAgent() { |
| } |
| |
| bool PasswordAutofillAgent::TextFieldDidEndEditing( |
| const blink::WebInputElement& element) { |
| LoginToPasswordInfoMap::const_iterator iter = |
| login_to_password_info_.find(element); |
| if (iter == login_to_password_info_.end()) |
| return false; |
| |
| const PasswordFormFillData& fill_data = |
| iter->second.fill_data; |
| |
| // If wait_for_username is false, we should have filled when the text changed. |
| if (!fill_data.wait_for_username) |
| return false; |
| |
| blink::WebInputElement password = iter->second.password_field; |
| if (!IsElementEditable(password)) |
| return false; |
| |
| blink::WebInputElement username = element; // We need a non-const. |
| |
| // Do not set selection when ending an editing session, otherwise it can |
| // mess with focus. |
| FillUserNameAndPassword(&username, &password, fill_data, |
| true /* exact_username_match */, |
| false /* set_selection */); |
| return true; |
| } |
| |
| bool PasswordAutofillAgent::TextDidChangeInTextField( |
| const blink::WebInputElement& element) { |
| LoginToPasswordInfoMap::const_iterator iter = |
| login_to_password_info_.find(element); |
| if (iter == login_to_password_info_.end()) |
| return false; |
| |
| // The input text is being changed, so any autofilled password is now |
| // outdated. |
| blink::WebInputElement username = element; // We need a non-const. |
| blink::WebInputElement password = iter->second.password_field; |
| SetElementAutofilled(&username, false); |
| if (password.isAutofilled()) { |
| password.setValue(base::string16()); |
| SetElementAutofilled(&password, false); |
| } |
| |
| // If wait_for_username is true we will fill when the username loses focus. |
| if (iter->second.fill_data.wait_for_username) |
| return false; |
| |
| if (!IsElementEditable(element) || !element.isText() || |
| (!ShouldIgnoreAutocompleteOffForPasswordFields() && |
| !element.autoComplete())) { |
| return false; |
| } |
| |
| // Don't inline autocomplete if the user is deleting, that would be confusing. |
| // But refresh the popup. Note, since this is ours, return true to signal |
| // no further processing is required. |
| if (iter->second.backspace_pressed_last) { |
| ShowSuggestionPopup(iter->second.fill_data, username); |
| return true; |
| } |
| |
| blink::WebString name = element.nameForAutofill(); |
| if (name.isEmpty()) |
| return false; // If the field has no name, then we won't have values. |
| |
| // Don't attempt to autofill with values that are too large. |
| if (element.value().length() > kMaximumTextSizeForAutocomplete) |
| return false; |
| |
| // The caret position should have already been updated. |
| PerformInlineAutocomplete(element, password, iter->second.fill_data); |
| return true; |
| } |
| |
| bool PasswordAutofillAgent::TextFieldHandlingKeyDown( |
| const blink::WebInputElement& element, |
| const blink::WebKeyboardEvent& event) { |
| // If using the new Autofill UI that lives in the browser, it will handle |
| // keypresses before this function. This is not currently an issue but if |
| // the keys handled there or here change, this issue may appear. |
| |
| LoginToPasswordInfoMap::iterator iter = login_to_password_info_.find(element); |
| if (iter == login_to_password_info_.end()) |
| return false; |
| |
| int win_key_code = event.windowsKeyCode; |
| iter->second.backspace_pressed_last = |
| (win_key_code == ui::VKEY_BACK || win_key_code == ui::VKEY_DELETE); |
| return true; |
| } |
| |
| bool PasswordAutofillAgent::DidAcceptAutofillSuggestion( |
| const blink::WebNode& node, |
| const blink::WebString& username) { |
| blink::WebInputElement input; |
| PasswordInfo password; |
| if (!FindLoginInfo(node, &input, &password)) |
| return false; |
| |
| // Set the incoming |username| in the text field and |FillUserNameAndPassword| |
| // will do the rest. |
| input.setValue(username, true); |
| return FillUserNameAndPassword(&input, &password.password_field, |
| password.fill_data, |
| true /* exact_username_match */, |
| true /* set_selection */); |
| } |
| |
| bool PasswordAutofillAgent::DidClearAutofillSelection( |
| const blink::WebNode& node) { |
| blink::WebInputElement input; |
| PasswordInfo password; |
| return FindLoginInfo(node, &input, &password); |
| } |
| |
| bool PasswordAutofillAgent::ShowSuggestions( |
| const blink::WebInputElement& element) { |
| LoginToPasswordInfoMap::const_iterator iter = |
| login_to_password_info_.find(element); |
| if (iter == login_to_password_info_.end()) |
| return false; |
| |
| return ShowSuggestionPopup(iter->second.fill_data, element); |
| } |
| |
| bool PasswordAutofillAgent::OriginCanAccessPasswordManager( |
| const blink::WebSecurityOrigin& origin) { |
| return origin.canAccessPasswordManager(); |
| } |
| |
| void PasswordAutofillAgent::OnDynamicFormsSeen(blink::WebFrame* frame) { |
| SendPasswordForms(frame, false /* only_visible */); |
| } |
| |
| void PasswordAutofillAgent::SendPasswordForms(blink::WebFrame* frame, |
| bool only_visible) { |
| // Make sure that this security origin is allowed to use password manager. |
| blink::WebSecurityOrigin origin = frame->document().securityOrigin(); |
| if (!OriginCanAccessPasswordManager(origin)) |
| return; |
| |
| // Checks whether the webpage is a redirect page or an empty page. |
| if (IsWebpageEmpty(frame)) |
| return; |
| |
| blink::WebVector<blink::WebFormElement> forms; |
| frame->document().forms(forms); |
| |
| std::vector<PasswordForm> password_forms; |
| for (size_t i = 0; i < forms.size(); ++i) { |
| const blink::WebFormElement& form = forms[i]; |
| |
| // If requested, ignore non-rendered forms, e.g. those styled with |
| // display:none. |
| if (only_visible && !IsWebNodeVisible(form)) |
| continue; |
| |
| scoped_ptr<PasswordForm> password_form(CreatePasswordForm(form)); |
| if (password_form.get()) |
| password_forms.push_back(*password_form); |
| } |
| |
| if (password_forms.empty() && !only_visible) { |
| // We need to send the PasswordFormsRendered message regardless of whether |
| // there are any forms visible, as this is also the code path that triggers |
| // showing the infobar. |
| return; |
| } |
| |
| if (only_visible) { |
| Send(new AutofillHostMsg_PasswordFormsRendered(routing_id(), |
| password_forms)); |
| } else { |
| Send(new AutofillHostMsg_PasswordFormsParsed(routing_id(), password_forms)); |
| } |
| } |
| |
| bool PasswordAutofillAgent::OnMessageReceived(const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(PasswordAutofillAgent, message) |
| IPC_MESSAGE_HANDLER(AutofillMsg_FillPasswordForm, OnFillPasswordForm) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void PasswordAutofillAgent::DidStartLoading() { |
| if (usernames_usage_ != NOTHING_TO_AUTOFILL) { |
| UMA_HISTOGRAM_ENUMERATION("PasswordManager.OtherPossibleUsernamesUsage", |
| usernames_usage_, OTHER_POSSIBLE_USERNAMES_MAX); |
| usernames_usage_ = NOTHING_TO_AUTOFILL; |
| } |
| } |
| |
| void PasswordAutofillAgent::DidFinishDocumentLoad(blink::WebFrame* frame) { |
| // The |frame| contents have been parsed, but not yet rendered. Let the |
| // PasswordManager know that forms are loaded, even though we can't yet tell |
| // whether they're visible. |
| SendPasswordForms(frame, false); |
| } |
| |
| void PasswordAutofillAgent::DidFinishLoad(blink::WebFrame* frame) { |
| // The |frame| contents have been rendered. Let the PasswordManager know |
| // which of the loaded frames are actually visible to the user. This also |
| // triggers the "Save password?" infobar if the user just submitted a password |
| // form. |
| SendPasswordForms(frame, true); |
| } |
| |
| void PasswordAutofillAgent::FrameDetached(blink::WebFrame* frame) { |
| FrameClosing(frame); |
| } |
| |
| void PasswordAutofillAgent::FrameWillClose(blink::WebFrame* frame) { |
| FrameClosing(frame); |
| } |
| |
| void PasswordAutofillAgent::WillSendSubmitEvent( |
| blink::WebFrame* frame, |
| const blink::WebFormElement& form) { |
| // Some login forms have onSubmit handlers that put a hash of the password |
| // into a hidden field and then clear the password (http://crbug.com/28910). |
| // This method gets called before any of those handlers run, so save away |
| // a copy of the password in case it gets lost. |
| scoped_ptr<PasswordForm> password_form(CreatePasswordForm(form)); |
| if (password_form) |
| provisionally_saved_forms_[frame].reset(password_form.release()); |
| } |
| |
| void PasswordAutofillAgent::WillSubmitForm(blink::WebFrame* frame, |
| const blink::WebFormElement& form) { |
| scoped_ptr<PasswordForm> submitted_form = CreatePasswordForm(form); |
| |
| // If there is a provisionally saved password, copy over the previous |
| // password value so we get the user's typed password, not the value that |
| // may have been transformed for submit. |
| // TODO(gcasto): Do we need to have this action equality check? Is it trying |
| // to prevent accidentally copying over passwords from a different form? |
| if (submitted_form) { |
| if (provisionally_saved_forms_[frame].get() && |
| submitted_form->action == provisionally_saved_forms_[frame]->action) { |
| submitted_form->password_value = |
| provisionally_saved_forms_[frame]->password_value; |
| } |
| |
| // Some observers depend on sending this information now instead of when |
| // the frame starts loading. If there are redirects that cause a new |
| // RenderView to be instantiated (such as redirects to the WebStore) |
| // we will never get to finish the load. |
| Send(new AutofillHostMsg_PasswordFormSubmitted(routing_id(), |
| *submitted_form)); |
| // Remove reference since we have already submitted this form. |
| provisionally_saved_forms_.erase(frame); |
| } |
| } |
| |
| blink::WebFrame* PasswordAutofillAgent::CurrentOrChildFrameWithSavedForms( |
| const blink::WebFrame* current_frame) { |
| for (FrameToPasswordFormMap::const_iterator it = |
| provisionally_saved_forms_.begin(); |
| it != provisionally_saved_forms_.end(); |
| ++it) { |
| blink::WebFrame* form_frame = it->first; |
| // The check that the returned frame is related to |current_frame| is mainly |
| // for double-checking. There should not be any unrelated frames in |
| // |provisionally_saved_forms_|, because the map is cleared after |
| // navigation. If there are reasons to remove this check in the future and |
| // keep just the first frame found, it might be a good idea to add a UMA |
| // statistic or a similar check on how many frames are here to choose from. |
| if (current_frame == form_frame || |
| current_frame->findChildByName(form_frame->uniqueName())) { |
| return form_frame; |
| } |
| } |
| return NULL; |
| } |
| |
| void PasswordAutofillAgent::DidStartProvisionalLoad(blink::WebFrame* frame) { |
| if (!frame->parent()) { |
| // If the navigation is not triggered by a user gesture, e.g. by some ajax |
| // callback, then inherit the submitted password form from the previous |
| // state. This fixes the no password save issue for ajax login, tracked in |
| // [http://crbug/43219]. Note that there are still some sites that this |
| // fails for because they use some element other than a submit button to |
| // trigger submission (which means WillSendSubmitEvent will not be called). |
| blink::WebFrame* form_frame = CurrentOrChildFrameWithSavedForms(frame); |
| if (!blink::WebUserGestureIndicator::isProcessingUserGesture() && |
| provisionally_saved_forms_[form_frame].get()) { |
| Send(new AutofillHostMsg_PasswordFormSubmitted( |
| routing_id(), |
| *provisionally_saved_forms_[form_frame])); |
| provisionally_saved_forms_.erase(form_frame); |
| } |
| // Clear the whole map during main frame navigation. |
| provisionally_saved_forms_.clear(); |
| } |
| } |
| |
| void PasswordAutofillAgent::OnFillPasswordForm( |
| const PasswordFormFillData& form_data) { |
| if (usernames_usage_ == NOTHING_TO_AUTOFILL) { |
| if (form_data.other_possible_usernames.size()) |
| usernames_usage_ = OTHER_POSSIBLE_USERNAMES_PRESENT; |
| else if (usernames_usage_ == NOTHING_TO_AUTOFILL) |
| usernames_usage_ = OTHER_POSSIBLE_USERNAMES_ABSENT; |
| } |
| |
| FormElementsList forms; |
| // We own the FormElements* in forms. |
| FindFormElements(render_view()->GetWebView(), form_data.basic_data, &forms); |
| FormElementsList::iterator iter; |
| for (iter = forms.begin(); iter != forms.end(); ++iter) { |
| scoped_ptr<FormElements> form_elements(*iter); |
| |
| // Attach autocomplete listener to enable selecting alternate logins. |
| // First, get pointers to username element. |
| blink::WebInputElement username_element = |
| form_elements->input_elements[form_data.basic_data.fields[0].name]; |
| |
| // Get pointer to password element. (We currently only support single |
| // password forms). |
| blink::WebInputElement password_element = |
| form_elements->input_elements[form_data.basic_data.fields[1].name]; |
| |
| // If wait_for_username is true, we don't want to initially fill the form |
| // until the user types in a valid username. |
| if (!form_data.wait_for_username) |
| FillFormOnPasswordRecieved(form_data, username_element, password_element); |
| |
| // We might have already filled this form if there are two <form> elements |
| // with identical markup. |
| if (login_to_password_info_.find(username_element) != |
| login_to_password_info_.end()) |
| continue; |
| |
| PasswordInfo password_info; |
| password_info.fill_data = form_data; |
| password_info.password_field = password_element; |
| login_to_password_info_[username_element] = password_info; |
| |
| FormData form; |
| FormFieldData field; |
| FindFormAndFieldForInputElement( |
| username_element, &form, &field, REQUIRE_NONE); |
| Send(new AutofillHostMsg_AddPasswordFormMapping( |
| routing_id(), |
| field, |
| form_data)); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // PasswordAutofillAgent, private: |
| |
| void PasswordAutofillAgent::GetSuggestions( |
| const PasswordFormFillData& fill_data, |
| const base::string16& input, |
| std::vector<base::string16>* suggestions, |
| std::vector<base::string16>* realms) { |
| if (StartsWith(fill_data.basic_data.fields[0].value, input, false)) { |
| suggestions->push_back(fill_data.basic_data.fields[0].value); |
| realms->push_back(UTF8ToUTF16(fill_data.preferred_realm)); |
| } |
| |
| for (PasswordFormFillData::LoginCollection::const_iterator iter = |
| fill_data.additional_logins.begin(); |
| iter != fill_data.additional_logins.end(); ++iter) { |
| if (StartsWith(iter->first, input, false)) { |
| suggestions->push_back(iter->first); |
| realms->push_back(UTF8ToUTF16(iter->second.realm)); |
| } |
| } |
| |
| for (PasswordFormFillData::UsernamesCollection::const_iterator iter = |
| fill_data.other_possible_usernames.begin(); |
| iter != fill_data.other_possible_usernames.end(); ++iter) { |
| for (size_t i = 0; i < iter->second.size(); ++i) { |
| if (StartsWith(iter->second[i], input, false)) { |
| usernames_usage_ = OTHER_POSSIBLE_USERNAME_SHOWN; |
| suggestions->push_back(iter->second[i]); |
| realms->push_back(UTF8ToUTF16(iter->first.realm)); |
| } |
| } |
| } |
| } |
| |
| bool PasswordAutofillAgent::ShowSuggestionPopup( |
| const PasswordFormFillData& fill_data, |
| const blink::WebInputElement& user_input) { |
| blink::WebFrame* frame = user_input.document().frame(); |
| if (!frame) |
| return false; |
| |
| blink::WebView* webview = frame->view(); |
| if (!webview) |
| return false; |
| |
| std::vector<base::string16> suggestions; |
| std::vector<base::string16> realms; |
| GetSuggestions(fill_data, user_input.value(), &suggestions, &realms); |
| DCHECK_EQ(suggestions.size(), realms.size()); |
| |
| FormData form; |
| FormFieldData field; |
| FindFormAndFieldForInputElement( |
| user_input, &form, &field, REQUIRE_NONE); |
| |
| blink::WebInputElement selected_element = user_input; |
| gfx::Rect bounding_box(selected_element.boundsInViewportSpace()); |
| |
| float scale = web_view_->pageScaleFactor(); |
| gfx::RectF bounding_box_scaled(bounding_box.x() * scale, |
| bounding_box.y() * scale, |
| bounding_box.width() * scale, |
| bounding_box.height() * scale); |
| Send(new AutofillHostMsg_ShowPasswordSuggestions(routing_id(), |
| field, |
| bounding_box_scaled, |
| suggestions, |
| realms)); |
| return !suggestions.empty(); |
| } |
| |
| void PasswordAutofillAgent::FillFormOnPasswordRecieved( |
| const PasswordFormFillData& fill_data, |
| blink::WebInputElement username_element, |
| blink::WebInputElement password_element) { |
| // Do not fill if the password field is in an iframe. |
| DCHECK(password_element.document().frame()); |
| if (password_element.document().frame()->parent()) |
| return; |
| |
| if (!ShouldIgnoreAutocompleteOffForPasswordFields() && |
| !username_element.form().autoComplete()) |
| return; |
| |
| // If we can't modify the password, don't try to set the username |
| if (!IsElementEditable(password_element) || |
| (!ShouldIgnoreAutocompleteOffForPasswordFields() && |
| !password_element.autoComplete())) |
| return; |
| |
| // Try to set the username to the preferred name, but only if the field |
| // can be set and isn't prefilled. |
| if (IsElementEditable(username_element) && |
| (ShouldIgnoreAutocompleteOffForPasswordFields() || |
| username_element.autoComplete()) && |
| username_element.value().isEmpty()) { |
| // TODO(tkent): Check maxlength and pattern. |
| username_element.setValue(fill_data.basic_data.fields[0].value); |
| } |
| |
| // Fill if we have an exact match for the username. Note that this sets |
| // username to autofilled. |
| FillUserNameAndPassword(&username_element, &password_element, fill_data, |
| true /* exact_username_match */, |
| false /* set_selection */); |
| } |
| |
| bool PasswordAutofillAgent::FillUserNameAndPassword( |
| blink::WebInputElement* username_element, |
| blink::WebInputElement* password_element, |
| const PasswordFormFillData& fill_data, |
| bool exact_username_match, |
| bool set_selection) { |
| base::string16 current_username = username_element->value(); |
| // username and password will contain the match found if any. |
| base::string16 username; |
| base::string16 password; |
| |
| // Look for any suitable matches to current field text. |
| if (DoUsernamesMatch(fill_data.basic_data.fields[0].value, current_username, |
| exact_username_match)) { |
| username = fill_data.basic_data.fields[0].value; |
| password = fill_data.basic_data.fields[1].value; |
| } else { |
| // Scan additional logins for a match. |
| PasswordFormFillData::LoginCollection::const_iterator iter; |
| for (iter = fill_data.additional_logins.begin(); |
| iter != fill_data.additional_logins.end(); ++iter) { |
| if (DoUsernamesMatch(iter->first, current_username, |
| exact_username_match)) { |
| username = iter->first; |
| password = iter->second.password; |
| break; |
| } |
| } |
| |
| // Check possible usernames. |
| if (username.empty() && password.empty()) { |
| for (PasswordFormFillData::UsernamesCollection::const_iterator iter = |
| fill_data.other_possible_usernames.begin(); |
| iter != fill_data.other_possible_usernames.end(); ++iter) { |
| for (size_t i = 0; i < iter->second.size(); ++i) { |
| if (DoUsernamesMatch(iter->second[i], current_username, |
| exact_username_match)) { |
| usernames_usage_ = OTHER_POSSIBLE_USERNAME_SELECTED; |
| username = iter->second[i]; |
| password = iter->first.password; |
| break; |
| } |
| } |
| if (!username.empty() && !password.empty()) |
| break; |
| } |
| } |
| } |
| if (password.empty()) |
| return false; // No match was found. |
| |
| // TODO(tkent): Check maxlength and pattern for both username and password |
| // fields. |
| |
| // Don't fill username if password can't be set. |
| if (!IsElementEditable(*password_element) || |
| (!ShouldIgnoreAutocompleteOffForPasswordFields() && |
| !password_element->autoComplete())) { |
| return false; |
| } |
| |
| // Input matches the username, fill in required values. |
| if (IsElementEditable(*username_element) && |
| (ShouldIgnoreAutocompleteOffForPasswordFields() || |
| username_element->autoComplete())) { |
| username_element->setValue(username); |
| SetElementAutofilled(username_element, true); |
| |
| if (set_selection) { |
| username_element->setSelectionRange(current_username.length(), |
| username.length()); |
| } |
| } else if (current_username != username) { |
| // If the username can't be filled and it doesn't match a saved password |
| // as is, don't autofill a password. |
| return false; |
| } |
| |
| password_element->setValue(password); |
| SetElementAutofilled(password_element, true); |
| return true; |
| } |
| |
| void PasswordAutofillAgent::PerformInlineAutocomplete( |
| const blink::WebInputElement& username_input, |
| const blink::WebInputElement& password_input, |
| const PasswordFormFillData& fill_data) { |
| DCHECK(!fill_data.wait_for_username); |
| |
| // We need non-const versions of the username and password inputs. |
| blink::WebInputElement username = username_input; |
| blink::WebInputElement password = password_input; |
| |
| // Don't inline autocomplete if the caret is not at the end. |
| // TODO(jcivelli): is there a better way to test the caret location? |
| if (username.selectionStart() != username.selectionEnd() || |
| username.selectionEnd() != static_cast<int>(username.value().length())) { |
| return; |
| } |
| |
| // Show the popup with the list of available usernames. |
| ShowSuggestionPopup(fill_data, username); |
| |
| |
| #if !defined(OS_ANDROID) |
| // Fill the user and password field with the most relevant match. Android |
| // only fills in the fields after the user clicks on the suggestion popup. |
| FillUserNameAndPassword(&username, &password, fill_data, |
| false /* exact_username_match */, |
| true /* set_selection */); |
| #endif |
| } |
| |
| void PasswordAutofillAgent::FrameClosing(const blink::WebFrame* frame) { |
| for (LoginToPasswordInfoMap::iterator iter = login_to_password_info_.begin(); |
| iter != login_to_password_info_.end();) { |
| if (iter->first.document().frame() == frame) |
| login_to_password_info_.erase(iter++); |
| else |
| ++iter; |
| } |
| for (FrameToPasswordFormMap::iterator iter = |
| provisionally_saved_forms_.begin(); |
| iter != provisionally_saved_forms_.end();) { |
| if (iter->first == frame) |
| provisionally_saved_forms_.erase(iter++); |
| else |
| ++iter; |
| } |
| } |
| |
| bool PasswordAutofillAgent::FindLoginInfo(const blink::WebNode& node, |
| blink::WebInputElement* found_input, |
| PasswordInfo* found_password) { |
| if (!node.isElementNode()) |
| return false; |
| |
| blink::WebElement element = node.toConst<blink::WebElement>(); |
| if (!element.hasTagName("input")) |
| return false; |
| |
| blink::WebInputElement input = element.to<blink::WebInputElement>(); |
| LoginToPasswordInfoMap::iterator iter = login_to_password_info_.find(input); |
| if (iter == login_to_password_info_.end()) |
| return false; |
| |
| *found_input = input; |
| *found_password = iter->second; |
| return true; |
| } |
| |
| } // namespace autofill |