| // 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. |
| |
| #ifndef COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ |
| #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "build/build_config.h" |
| #include "components/autofill/content/common/autofill_agent.mojom.h" |
| #include "components/autofill/content/common/autofill_driver.mojom.h" |
| #include "components/autofill/content/renderer/autofill_agent.h" |
| #include "components/autofill/content/renderer/form_tracker.h" |
| #include "components/autofill/content/renderer/html_based_username_detector.h" |
| #include "components/autofill/content/renderer/password_form_conversion_utils.h" |
| #include "components/autofill/content/renderer/provisionally_saved_password_form.h" |
| #include "components/autofill/core/common/form_data_predictions.h" |
| #include "components/autofill/core/common/password_form.h" |
| #include "components/autofill/core/common/password_form_field_prediction_map.h" |
| #include "components/autofill/core/common/password_form_fill_data.h" |
| #include "content/public/renderer/render_frame_observer.h" |
| #include "content/public/renderer/render_view_observer.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "third_party/WebKit/public/web/WebInputElement.h" |
| |
| #if !defined(OS_ANDROID) && !defined(OS_IOS) |
| #include "components/autofill/content/renderer/page_passwords_analyser.h" |
| #endif |
| |
| namespace blink { |
| class WebInputElement; |
| } |
| |
| namespace autofill { |
| |
| // Names of HTML attributes to show form and field signatures for debugging. |
| extern const char kDebugAttributeForFormSignature[]; |
| extern const char kDebugAttributeForFieldSignature[]; |
| |
| class RendererSavePasswordProgressLogger; |
| class PasswordGenerationAgent; |
| |
| // This class is responsible for filling password forms. |
| class PasswordAutofillAgent : public content::RenderFrameObserver, |
| public FormTracker::Observer, |
| public mojom::PasswordAutofillAgent { |
| public: |
| PasswordAutofillAgent(content::RenderFrame* render_frame, |
| service_manager::BinderRegistry* registry); |
| ~PasswordAutofillAgent() override; |
| |
| void BindRequest(mojom::PasswordAutofillAgentRequest request); |
| |
| void SetAutofillAgent(AutofillAgent* autofill_agent); |
| |
| void SetPasswordGenerationAgent(PasswordGenerationAgent* generation_agent); |
| |
| const mojom::PasswordManagerDriverPtr& GetPasswordManagerDriver(); |
| |
| // mojom::PasswordAutofillAgent: |
| void FillPasswordForm(int key, |
| const PasswordFormFillData& form_data) override; |
| void SetLoggingState(bool active) override; |
| void AutofillUsernameAndPasswordDataReceived( |
| const FormsPredictionsMap& predictions) override; |
| void FindFocusedPasswordForm( |
| FindFocusedPasswordFormCallback callback) override; |
| void BlacklistedFormFound() override; |
| |
| // FormTracker::Observer |
| void OnProvisionallySaveForm(const blink::WebFormElement& form, |
| const blink::WebInputElement& element, |
| ElementChangeSource source) override; |
| void OnProbablyFormSubmitted() override; |
| void OnFormSubmitted(const blink::WebFormElement& form) override; |
| void OnInferredFormSubmission(SubmissionSource source) override; |
| |
| // WebFrameClient editor related calls forwarded by AutofillAgent. |
| // If they return true, it indicates the event was consumed and should not |
| // be used for any other autofill activity. |
| bool TextDidChangeInTextField(const blink::WebInputElement& element); |
| |
| // Function that should be called whenever the value of |element| changes due |
| // to user input. This is separate from TextDidChangeInTextField() as that |
| // function may trigger UI and should only be called when other UI won't be |
| // shown. |
| void UpdateStateForTextChange(const blink::WebInputElement& element); |
| |
| // Fills the username and password fields of this form with the given values. |
| // Returns true if the fields were filled, false otherwise. |
| bool FillSuggestion(const blink::WebFormControlElement& control_element, |
| const base::string16& username, |
| const base::string16& password); |
| |
| // Previews the username and password fields of this form with the given |
| // values. Returns true if the fields were previewed, false otherwise. |
| bool PreviewSuggestion(const blink::WebFormControlElement& node, |
| const blink::WebString& username, |
| const blink::WebString& password); |
| |
| // Clears the preview for the username and password fields, restoring both to |
| // their previous filled state. Return false if no login information was |
| // found for the form. |
| bool DidClearAutofillSelection( |
| const blink::WebFormControlElement& control_element); |
| |
| // Returns whether a "Login not secure" warning should be shown on the input |
| // field. This is true if the feature is enabled and if the form is |
| // non-secure. |
| bool ShouldShowNotSecureWarning(const blink::WebInputElement& element); |
| |
| // Returns whether the element is a username or password textfield. |
| bool IsUsernameOrPasswordField(const blink::WebInputElement& element); |
| |
| // Shows an Autofill popup with username suggestions for |element|. If |
| // |show_all| is |true|, will show all possible suggestions for that element, |
| // otherwise shows suggestions based on current value of |element|. |
| // If |generation_popup_showing| is true, this function will return false |
| // as both UIs should not be shown at the same time. This function should |
| // still be called in this situation so that UMA stats can be logged. |
| // Returns true if any suggestions were shown, false otherwise. |
| bool ShowSuggestions(const blink::WebInputElement& element, |
| bool show_all, |
| bool generation_popup_showing); |
| |
| // Shows an Autofill-style popup with a warning that the form is not secure. |
| // This UI is shown when a username or password field is autofilled or edited |
| // on a non-secure page. |
| void ShowNotSecureWarning(const blink::WebInputElement& element); |
| |
| // Shows an Autofill-style popup with an option to go to settings and check |
| // all saved passwords. Returns true if the suggestion was shown, false |
| // otherwise. |
| bool ShowManualFallbackSuggestion(const blink::WebInputElement& element); |
| |
| // Called when new form controls are inserted. |
| void OnDynamicFormsSeen(); |
| |
| // Called when the user interacts with the page after a load. This is a |
| // signal to make autofilled values of password input elements accessible to |
| // JavaScript. |
| void UserGestureObserved(); |
| |
| // Given password form data |form_data| and a supplied key |key| for |
| // referencing the password info, returns a set of WebInputElements in |
| // |elements|, which must be non-null, that the password manager has values |
| // for filling. Also takes an optional logger |logger| for logging password |
| // autofill behavior. |
| void GetFillableElementFromFormData( |
| int key, |
| const PasswordFormFillData& form_data, |
| RendererSavePasswordProgressLogger* logger, |
| std::vector<blink::WebInputElement>* elements); |
| |
| // Called when the focused node has changed. |
| void FocusedNodeHasChanged(const blink::WebNode& node); |
| |
| // Creates a |PasswordForm| from |web_form|. |
| std::unique_ptr<PasswordForm> GetPasswordFormFromWebForm( |
| const blink::WebFormElement& web_form); |
| |
| // Creates a |PasswordForm| of fields that are not enclosed in any <form> tag. |
| std::unique_ptr<PasswordForm> GetPasswordFormFromUnownedInputElements(); |
| |
| bool logging_state_active() const { return logging_state_active_; } |
| |
| // Determine whether the current frame is allowed to access the password |
| // manager. For example, frames with about:blank documents or documents with |
| // unique origins aren't allowed access. |
| virtual bool FrameCanAccessPasswordManager(); |
| |
| private: |
| // Ways to restrict which passwords are saved in ProvisionallySavePassword. |
| enum ProvisionallySaveRestriction { |
| RESTRICTION_NONE, |
| RESTRICTION_NON_EMPTY_PASSWORD |
| }; |
| |
| struct PasswordInfo { |
| blink::WebInputElement password_field; |
| PasswordFormFillData fill_data; |
| // The user manually edited the password more recently than the username was |
| // changed. |
| bool password_was_edited_last = false; |
| // The user accepted a suggestion from a dropdown on a password field. |
| bool password_field_suggestion_was_accepted = false; |
| // The key under which PasswordAutofillManager can find info for filling. |
| int key = -1; |
| }; |
| typedef std::map<blink::WebInputElement, PasswordInfo> |
| WebInputToPasswordInfoMap; |
| typedef std::map<blink::WebElement, int> WebElementToPasswordInfoKeyMap; |
| typedef std::map<blink::WebInputElement, blink::WebInputElement> |
| PasswordToLoginMap; |
| |
| // This class keeps track of autofilled password input elements and makes sure |
| // the autofilled password value is not accessible to JavaScript code until |
| // the user interacts with the page. |
| class PasswordValueGatekeeper { |
| public: |
| PasswordValueGatekeeper(); |
| ~PasswordValueGatekeeper(); |
| |
| // Call this for every autofilled password field, so that the gatekeeper |
| // protects the value accordingly. |
| void RegisterElement(blink::WebInputElement* element); |
| |
| // Call this to notify the gatekeeper that the user interacted with the |
| // page. |
| void OnUserGesture(); |
| |
| // Call this to reset the gatekeeper on a new page navigation. |
| void Reset(); |
| |
| private: |
| // Make the value of |element| accessible to JavaScript code. |
| void ShowValue(blink::WebInputElement* element); |
| |
| bool was_user_gesture_seen_; |
| std::vector<blink::WebInputElement> elements_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PasswordValueGatekeeper); |
| }; |
| |
| // RenderFrameObserver: |
| void DidFinishDocumentLoad() override; |
| void DidFinishLoad() override; |
| void DidStartProvisionalLoad( |
| blink::WebDocumentLoader* document_loader) override; |
| void WillCommitProvisionalLoad() override; |
| void DidCommitProvisionalLoad(bool is_new_navigation, |
| bool is_same_document_navigation) override; |
| void OnDestruct() override; |
| |
| // Scans the given frame for password forms and sends them up to the browser. |
| // If |only_visible| is true, only forms visible in the layout are sent. |
| void SendPasswordForms(bool only_visible); |
| |
| // Instructs the browser to show a pop-up suggesting which credentials could |
| // be filled. |show_in_password_field| should indicate whether the pop-up is |
| // to be shown on the password field instead of on the username field. If the |
| // username exists, it should be passed as |user_input|. If there is no |
| // username, pass the password field in |user_input|. In the latter case, no |
| // username value will be shown in the pop-up. |
| bool ShowSuggestionPopup(const PasswordInfo& password_info, |
| const blink::WebInputElement& user_input, |
| bool show_all, |
| bool show_on_password_field); |
| |
| // Finds the PasswordInfo, username and password fields corresponding to the |
| // passed in |element|, which can refer to either a username or a password |
| // element. If a PasswordInfo was found, returns |true| and assigns the |
| // corresponding username, password elements and PasswordInfo into |
| // |username_element|, |password_element| and |pasword_info|, respectively. |
| // Note, that |username_element->IsNull()| can be true if |element| is a |
| // password. |
| bool FindPasswordInfoForElement(const blink::WebInputElement& element, |
| blink::WebInputElement* username_element, |
| blink::WebInputElement* password_element, |
| PasswordInfo** password_info); |
| |
| // Invoked when the frame is closing. |
| void FrameClosing(); |
| |
| // Clears the preview for the username and password fields, restoring both to |
| // their previous filled state. |
| void ClearPreview(blink::WebInputElement* username, |
| blink::WebInputElement* password); |
| |
| // Saves |form| and |input| in |provisionally_saved_form_|, as long as it |
| // satisfies |restriction|. |form| and |input| are the elements user has just |
| // been interacting with before the form save. |form| or |input| can be null |
| // but not both at the same time. For example: if the form is unowned, |form| |
| // will be null; if the user has submitted the form, |input| will be null. |
| void ProvisionallySavePassword(const blink::WebFormElement& form, |
| const blink::WebInputElement& input, |
| ProvisionallySaveRestriction restriction); |
| |
| // This function attempts to fill |username_element| and |password_element| |
| // with values from |fill_data|. The |password_element| will only have the |
| // suggestedValue set, and will be registered for copying that to the real |
| // value through |registration_callback|. If a match is found, return true and |
| // |field_value_and_properties_map| will be modified with the autofilled |
| // credentials and |FieldPropertiesFlags::AUTOFILLED| flag. |
| bool FillUserNameAndPassword( |
| blink::WebInputElement* username_element, |
| blink::WebInputElement* password_element, |
| const PasswordFormFillData& fill_data, |
| bool exact_username_match, |
| bool set_selection, |
| FieldValueAndPropertiesMaskMap* field_value_and_properties_map, |
| base::Callback<void(blink::WebInputElement*)> registration_callback, |
| RendererSavePasswordProgressLogger* logger); |
| |
| // Attempts to fill |username_element| and |password_element| with the |
| // |fill_data|. Will use the data corresponding to the preferred username, |
| // unless the |username_element| already has a value set. In that case, |
| // attempts to fill the password matching the already filled username, if |
| // such a password exists. The |password_element| will have the |
| // |suggestedValue| set, and |suggestedValue| will be registered for copying |
| // to the real value through |registration_callback|. Returns true if the |
| // password is filled. |
| bool FillFormOnPasswordReceived( |
| const PasswordFormFillData& fill_data, |
| blink::WebInputElement username_element, |
| blink::WebInputElement password_element, |
| FieldValueAndPropertiesMaskMap* field_value_and_properties_map, |
| base::Callback<void(blink::WebInputElement*)> registration_callback, |
| RendererSavePasswordProgressLogger* logger); |
| |
| // Helper function called when form submission is successful. |
| void FireSubmissionIfFormDisappear( |
| PasswordForm::SubmissionIndicatorEvent event); |
| |
| void OnFrameDetached(); |
| void OnWillSubmitForm(const blink::WebFormElement& form); |
| |
| void HidePopup(); |
| |
| // The logins we have filled so far with their associated info. |
| WebInputToPasswordInfoMap web_input_to_password_info_; |
| // A (sort-of) reverse map to |web_input_to_password_info_|. |
| PasswordToLoginMap password_to_username_; |
| // The chronologically last insertion into |web_input_to_password_info_|. |
| WebInputToPasswordInfoMap::iterator last_supplied_password_info_iter_; |
| |
| // Set if the user might be submitting a password form on the current page, |
| // but the submit may still fail (i.e. doesn't pass JavaScript validation). |
| ProvisionallySavedPasswordForm provisionally_saved_form_; |
| |
| // Map WebFormControlElement to the pair of: |
| // 1) The most recent text that user typed or PasswordManager autofilled in |
| // input elements. Used for storing username/password before JavaScript |
| // changes them. |
| // 2) Field properties mask, i.e. whether the field was autofilled, modified |
| // by user, etc. (see FieldPropertiesMask). |
| FieldValueAndPropertiesMaskMap field_value_and_properties_map_; |
| |
| PasswordValueGatekeeper gatekeeper_; |
| |
| // True indicates that user debug information should be logged. |
| bool logging_state_active_; |
| |
| // True indicates that the username field was autofilled, false otherwise. |
| bool was_username_autofilled_; |
| // True indicates that the password field was autofilled, false otherwise. |
| bool was_password_autofilled_; |
| |
| // True indicates that a request for credentials has been sent to the store. |
| bool sent_request_to_store_; |
| |
| // True indicates that a safe browsing reputation check has been triggered. |
| bool checked_safe_browsing_reputation_; |
| |
| // Records the username typed before suggestions preview. |
| base::string16 username_query_prefix_; |
| |
| // Contains server predictions for username, password and/or new password |
| // fields for individual forms. |
| FormsPredictionsMap form_predictions_; |
| |
| // The HTML based username detector's cache which maps form elements to |
| // username predictions. |
| UsernameDetectorCache username_detector_cache_; |
| |
| base::WeakPtr<AutofillAgent> autofill_agent_; |
| |
| PasswordGenerationAgent* password_generation_agent_; // Weak reference. |
| |
| #if !defined(OS_ANDROID) && !defined(OS_IOS) |
| PagePasswordsAnalyser page_passwords_analyser_; |
| #endif |
| |
| mojom::PasswordManagerDriverPtr password_manager_driver_; |
| |
| mojo::Binding<mojom::PasswordAutofillAgent> binding_; |
| |
| bool blacklisted_form_found_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent); |
| }; |
| |
| } // namespace autofill |
| |
| #endif // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_ |