Reland: Switch components/password_manager code from IPC messages to Mojo.

components/password_manager/content/browser/credential_manager_dispatcher.cc

-// Copyright 2014 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/password_manager/content/browser/credential_manager_dispatcher.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/autofill/core/common/password_form.h"
-#include "components/password_manager/content/browser/content_password_manager_driver.h"
-#include "components/password_manager/content/browser/content_password_manager_driver_factory.h"
-#include "components/password_manager/content/common/credential_manager_messages.h"
-#include "components/password_manager/core/browser/affiliated_match_helper.h"
-#include "components/password_manager/core/browser/password_manager_client.h"
-#include "components/password_manager/core/browser/password_store.h"
-#include "components/password_manager/core/common/credential_manager_types.h"
-#include "components/password_manager/core/common/password_manager_pref_names.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "ipc/ipc_message_macros.h"
-
-namespace password_manager {
-
-// CredentialManagerDispatcher -------------------------------------------------
-
-CredentialManagerDispatcher::CredentialManagerDispatcher(
-    content::WebContents* web_contents,
-    PasswordManagerClient* client)
-    : WebContentsObserver(web_contents), client_(client), weak_factory_(this) {
-  DCHECK(web_contents);
-  auto_signin_enabled_.Init(prefs::kCredentialsEnableAutosignin,
-                            client_->GetPrefs());
-}
-
-CredentialManagerDispatcher::~CredentialManagerDispatcher() {
-}
-
-bool CredentialManagerDispatcher::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(CredentialManagerDispatcher, message)
-    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_Store, OnStore);
-    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_RequireUserMediation,
-                        OnRequireUserMediation);
-    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_RequestCredential,
-                        OnRequestCredential);
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void CredentialManagerDispatcher::OnStore(
-    int request_id,
-    const password_manager::CredentialInfo& credential) {
-  DCHECK(credential.type != CredentialType::CREDENTIAL_TYPE_EMPTY);
-  DCHECK(request_id);
-  web_contents()->GetRenderViewHost()->Send(
-      new CredentialManagerMsg_AcknowledgeStore(
-          web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
-
-  if (!client_->IsSavingAndFillingEnabledForCurrentPage())
-    return;
-
-  std::unique_ptr<autofill::PasswordForm> form(
-      CreatePasswordFormFromCredentialInfo(
-          credential, web_contents()->GetLastCommittedURL().GetOrigin()));
-  form->skip_zero_click = !IsZeroClickAllowed();
-
-  form_manager_.reset(new CredentialManagerPasswordFormManager(
-      client_, GetDriver(), *form, this));
-}
-
-void CredentialManagerDispatcher::OnProvisionalSaveComplete() {
-  DCHECK(form_manager_);
-  DCHECK(client_->IsSavingAndFillingEnabledForCurrentPage());
-  const autofill::PasswordForm& form = form_manager_->pending_credentials();
-
-  if (!form.federation_origin.unique()) {
-    // If this is a federated credential, check it against the federated matches
-    // produced by the PasswordFormManager. If a match is found, update it and
-    // return.
-    for (const auto& match : form_manager_->federated_matches()) {
-      if (match->username_value == form.username_value &&
-          match->federation_origin.IsSameOriginWith(form.federation_origin)) {
-        form_manager_->Update(*match);
-        return;
-      }
-    }
-  } else if (!form_manager_->IsNewLogin()) {
-    // Otherwise, if this is not a new password credential, update the existing
-    // credential without prompting the user. This will also update the
-    // 'skip_zero_click' state, as we've gotten an explicit signal that the page
-    // understands the credential management API and so can be trusted to notify
-    // us when they sign the user out.
-    form_manager_->Update(*form_manager_->preferred_match());
-    return;
-  }
-
-  // Otherwise, this is a new form, so as the user if they'd like to save.
-  client_->PromptUserToSaveOrUpdatePassword(
-      std::move(form_manager_), CredentialSourceType::CREDENTIAL_SOURCE_API,
-      false);
-}
-
-void CredentialManagerDispatcher::OnRequireUserMediation(int request_id) {
-  DCHECK(request_id);
-
-  PasswordStore* store = GetPasswordStore();
-  if (!store || !IsUpdatingCredentialAllowed()) {
-    web_contents()->GetRenderViewHost()->Send(
-        new CredentialManagerMsg_AcknowledgeRequireUserMediation(
-            web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
-    return;
-  }
-
-  if (store->affiliated_match_helper()) {
-    store->affiliated_match_helper()->GetAffiliatedAndroidRealms(
-        GetSynthesizedFormForOrigin(),
-        base::Bind(&CredentialManagerDispatcher::ScheduleRequireMediationTask,
-                   weak_factory_.GetWeakPtr(), request_id));
-  } else {
-    std::vector<std::string> no_affiliated_realms;
-    ScheduleRequireMediationTask(request_id, no_affiliated_realms);
-  }
-}
-
-void CredentialManagerDispatcher::ScheduleRequireMediationTask(
-    int request_id,
-    const std::vector<std::string>& android_realms) {
-  DCHECK(GetPasswordStore());
-  if (!pending_require_user_mediation_) {
-    pending_require_user_mediation_.reset(
-        new CredentialManagerPendingRequireUserMediationTask(
-            this, web_contents()->GetLastCommittedURL().GetOrigin(),
-            android_realms));
-
-    // This will result in a callback to
-    // CredentialManagerPendingRequireUserMediationTask::OnGetPasswordStoreResults().
-    GetPasswordStore()->GetAutofillableLogins(
-        pending_require_user_mediation_.get());
-  } else {
-    pending_require_user_mediation_->AddOrigin(
-        web_contents()->GetLastCommittedURL().GetOrigin());
-  }
-
-  web_contents()->GetRenderViewHost()->Send(
-      new CredentialManagerMsg_AcknowledgeRequireUserMediation(
-          web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
-}
-
-void CredentialManagerDispatcher::OnRequestCredential(
-    int request_id,
-    bool zero_click_only,
-    bool include_passwords,
-    const std::vector<GURL>& federations) {
-  DCHECK(request_id);
-  PasswordStore* store = GetPasswordStore();
-  if (pending_request_ || !store) {
-    web_contents()->GetRenderViewHost()->Send(
-        new CredentialManagerMsg_RejectCredentialRequest(
-            web_contents()->GetRenderViewHost()->GetRoutingID(), request_id,
-            pending_request_
-                ? blink::WebCredentialManagerPendingRequestError
-                : blink::WebCredentialManagerPasswordStoreUnavailableError));
-    return;
-  }
-
-  // Return an empty credential if zero-click is required but disabled, or if
-  // the current page has TLS errors.
-  if ((zero_click_only && !IsZeroClickAllowed()) ||
-      client_->DidLastPageLoadEncounterSSLErrors()) {
-    web_contents()->GetRenderViewHost()->Send(
-        new CredentialManagerMsg_SendCredential(
-            web_contents()->GetRenderViewHost()->GetRoutingID(), request_id,
-            CredentialInfo()));
-    return;
-  }
-
-  if (store->affiliated_match_helper()) {
-    store->affiliated_match_helper()->GetAffiliatedAndroidRealms(
-        GetSynthesizedFormForOrigin(),
-        base::Bind(&CredentialManagerDispatcher::ScheduleRequestTask,
-                   weak_factory_.GetWeakPtr(), request_id, zero_click_only,
-                   include_passwords, federations));
-  } else {
-    std::vector<std::string> no_affiliated_realms;
-    ScheduleRequestTask(request_id, zero_click_only, include_passwords,
-                        federations, no_affiliated_realms);
-  }
-}
-
-void CredentialManagerDispatcher::ScheduleRequestTask(
-    int request_id,
-    bool zero_click_only,
-    bool include_passwords,
-    const std::vector<GURL>& federations,
-    const std::vector<std::string>& android_realms) {
-  DCHECK(GetPasswordStore());
-  pending_request_.reset(new CredentialManagerPendingRequestTask(
-      this, request_id, zero_click_only,
-      web_contents()->GetLastCommittedURL().GetOrigin(), include_passwords,
-      federations, android_realms));
-
-  // This will result in a callback to
-  // PendingRequestTask::OnGetPasswordStoreResults().
-  GetPasswordStore()->GetAutofillableLogins(pending_request_.get());
-}
-
-PasswordStore* CredentialManagerDispatcher::GetPasswordStore() {
-  return client_ ? client_->GetPasswordStore() : nullptr;
-}
-
-bool CredentialManagerDispatcher::IsZeroClickAllowed() const {
-  return *auto_signin_enabled_ && !client_->IsOffTheRecord();
-}
-
-GURL CredentialManagerDispatcher::GetOrigin() const {
-  return web_contents()->GetLastCommittedURL().GetOrigin();
-}
-
-base::WeakPtr<PasswordManagerDriver> CredentialManagerDispatcher::GetDriver() {
-  ContentPasswordManagerDriverFactory* driver_factory =
-      ContentPasswordManagerDriverFactory::FromWebContents(web_contents());
-  DCHECK(driver_factory);
-  PasswordManagerDriver* driver =
-      driver_factory->GetDriverForFrame(web_contents()->GetMainFrame());
-  return driver->AsWeakPtr();
-}
-
-void CredentialManagerDispatcher::SendCredential(int request_id,
-                                                 const CredentialInfo& info) {
-  DCHECK(pending_request_);
-  DCHECK_EQ(pending_request_->id(), request_id);
-
-  web_contents()->GetRenderViewHost()->Send(
-      new CredentialManagerMsg_SendCredential(
-          web_contents()->GetRenderViewHost()->GetRoutingID(),
-          pending_request_->id(), info));
-  pending_request_.reset();
-}
-
-void CredentialManagerDispatcher::SendPasswordForm(
-    int request_id,
-    const autofill::PasswordForm* form) {
-  CredentialInfo info;
-  if (form) {
-    password_manager::CredentialType type_to_return =
-        form->federation_origin.unique()
-            ? CredentialType::CREDENTIAL_TYPE_PASSWORD
-            : CredentialType::CREDENTIAL_TYPE_FEDERATED;
-    info = CredentialInfo(*form, type_to_return);
-    if (PasswordStore* store = GetPasswordStore()) {
-      if (form->skip_zero_click && IsZeroClickAllowed()) {
-        DCHECK(IsUpdatingCredentialAllowed());
-        autofill::PasswordForm update_form = *form;
-        update_form.skip_zero_click = false;
-        store->UpdateLogin(update_form);
-      }
-    }
-  }
-  SendCredential(request_id, info);
-}
-
-PasswordManagerClient* CredentialManagerDispatcher::client() const {
-  return client_;
-}
-
-autofill::PasswordForm
-CredentialManagerDispatcher::GetSynthesizedFormForOrigin() const {
-  autofill::PasswordForm synthetic_form;
-  synthetic_form.origin = web_contents()->GetLastCommittedURL().GetOrigin();
-  synthetic_form.signon_realm = synthetic_form.origin.spec();
-  synthetic_form.scheme = autofill::PasswordForm::SCHEME_HTML;
-  synthetic_form.ssl_valid = synthetic_form.origin.SchemeIsCryptographic() &&
-                             !client_->DidLastPageLoadEncounterSSLErrors();
-  return synthetic_form;
-}
-
-void CredentialManagerDispatcher::DoneRequiringUserMediation() {
-  DCHECK(pending_require_user_mediation_);
-  pending_require_user_mediation_.reset();
-}
-
-bool CredentialManagerDispatcher::IsUpdatingCredentialAllowed() const {
-  return !client_->DidLastPageLoadEncounterSSLErrors() &&
-         !client_->IsOffTheRecord();
-}
-
-}  // namespace password_manager