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// Copyright (c) 2012 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 "chrome/browser/extensions/api/identity/identity_api.h"
#include "base/values.h"
#include "chrome/browser/extensions/extension_function_dispatcher.h"
#include "chrome/browser/extensions/extension_install_prompt.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/permissions_updater.h"
#include "chrome/browser/signin/token_service.h"
#include "chrome/browser/signin/token_service_factory.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/webui/signin/login_ui_service.h"
#include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
#include "chrome/browser/ui/webui/sync_promo/sync_promo_ui.h"
#include "chrome/common/extensions/api/experimental_identity.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/url_constants.h"
#include "content/public/common/page_transition_types.h"
#include "googleurl/src/gurl.h"
#include "ui/base/window_open_disposition.h"
namespace extensions {
namespace identity_constants {
const char kInvalidClientId[] = "Invalid OAuth2 Client ID.";
const char kInvalidScopes[] = "Invalid OAuth2 scopes.";
const char kAuthFailure[] = "OAuth2 request failed: ";
const char kNoGrant[] = "OAuth2 not granted or revoked.";
const char kUserRejected[] = "The user did not approve access.";
const char kUserNotSignedIn[] = "The user is not signed in.";
const char kInvalidRedirect[] = "Did not redirect to the right URL.";
}
namespace GetAuthToken = extensions::api::experimental_identity::GetAuthToken;
namespace LaunchWebAuthFlow =
extensions::api::experimental_identity::LaunchWebAuthFlow;
namespace identity = extensions::api::experimental_identity;
IdentityGetAuthTokenFunction::IdentityGetAuthTokenFunction()
: interactive_(false) {}
IdentityGetAuthTokenFunction::~IdentityGetAuthTokenFunction() {}
bool IdentityGetAuthTokenFunction::RunImpl() {
scoped_ptr<GetAuthToken::Params> params(GetAuthToken::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
if (params->details.get() && params->details->interactive.get())
interactive_ = *params->details->interactive;
const Extension::OAuth2Info& oauth2_info = GetExtension()->oauth2_info();
// Check that the necessary information is present in the manfist.
if (oauth2_info.client_id.empty()) {
error_ = identity_constants::kInvalidClientId;
return false;
}
if (oauth2_info.scopes.size() == 0) {
error_ = identity_constants::kInvalidScopes;
return false;
}
// Balanced in OnIssueAdviceSuccess|OnMintTokenSuccess|OnMintTokenFailure|
// InstallUIAbort|OnLoginUIClosed.
AddRef();
if (!HasLoginToken()) {
if (StartLogin()) {
return true;
} else {
Release();
return false;
}
}
if (StartFlow(OAuth2MintTokenFlow::MODE_MINT_TOKEN_NO_FORCE)) {
return true;
} else {
Release();
return false;
}
}
void IdentityGetAuthTokenFunction::OnMintTokenSuccess(
const std::string& access_token) {
SetResult(Value::CreateStringValue(access_token));
SendResponse(true);
Release(); // Balanced in RunImpl.
}
void IdentityGetAuthTokenFunction::OnMintTokenFailure(
const GoogleServiceAuthError& error) {
error_ = std::string(identity_constants::kAuthFailure) + error.ToString();
SendResponse(false);
Release(); // Balanced in RunImpl.
}
void IdentityGetAuthTokenFunction::OnIssueAdviceSuccess(
const IssueAdviceInfo& issue_advice) {
// Existing grant was revoked and we used NO_FORCE, so we got info back
// instead.
if (interactive_) {
install_ui_.reset(new ExtensionInstallPrompt(GetAssociatedWebContents()));
ShowOAuthApprovalDialog(issue_advice);
} else {
error_ = identity_constants::kNoGrant;
SendResponse(false);
Release(); // Balanced in RunImpl.
}
}
void IdentityGetAuthTokenFunction::OnLoginUIClosed(
LoginUIService::LoginUI* ui) {
StopObservingLoginService();
if (!StartFlow(OAuth2MintTokenFlow::MODE_MINT_TOKEN_NO_FORCE)) {
SendResponse(false);
Release();
}
}
void IdentityGetAuthTokenFunction::InstallUIProceed() {
DCHECK(install_ui_->record_oauth2_grant());
// The user has accepted the scopes, so we may now force (recording a grant
// and receiving a token).
bool success = StartFlow(OAuth2MintTokenFlow::MODE_MINT_TOKEN_FORCE);
DCHECK(success);
}
void IdentityGetAuthTokenFunction::InstallUIAbort(bool user_initiated) {
error_ = identity_constants::kUserRejected;
SendResponse(false);
Release(); // Balanced in RunImpl.
}
bool IdentityGetAuthTokenFunction::StartFlow(OAuth2MintTokenFlow::Mode mode) {
if (!HasLoginToken()) {
error_ = identity_constants::kUserNotSignedIn;
return false;
}
flow_.reset(CreateMintTokenFlow(mode));
flow_->Start();
return true;
}
bool IdentityGetAuthTokenFunction::StartLogin() {
if (!interactive_) {
error_ = identity_constants::kUserNotSignedIn;
return false;
}
ShowLoginPopup();
return true;
}
void IdentityGetAuthTokenFunction::StartObservingLoginService() {
LoginUIService* login_ui_service =
LoginUIServiceFactory::GetForProfile(profile());
login_ui_service->AddObserver(this);
}
void IdentityGetAuthTokenFunction::StopObservingLoginService() {
LoginUIService* login_ui_service =
LoginUIServiceFactory::GetForProfile(profile());
login_ui_service->RemoveObserver(this);
}
void IdentityGetAuthTokenFunction::ShowLoginPopup() {
StartObservingLoginService();
LoginUIService* login_ui_service =
LoginUIServiceFactory::GetForProfile(profile());
login_ui_service->ShowLoginPopup();
}
void IdentityGetAuthTokenFunction::ShowOAuthApprovalDialog(
const IssueAdviceInfo& issue_advice) {
install_ui_->ConfirmIssueAdvice(this, GetExtension(), issue_advice);
}
OAuth2MintTokenFlow* IdentityGetAuthTokenFunction::CreateMintTokenFlow(
OAuth2MintTokenFlow::Mode mode) {
const Extension::OAuth2Info& oauth2_info = GetExtension()->oauth2_info();
TokenService* token_service = TokenServiceFactory::GetForProfile(profile());
return new OAuth2MintTokenFlow(
profile()->GetRequestContext(),
this,
OAuth2MintTokenFlow::Parameters(
token_service->GetOAuth2LoginRefreshToken(),
GetExtension()->id(),
oauth2_info.client_id,
oauth2_info.scopes,
mode));
}
bool IdentityGetAuthTokenFunction::HasLoginToken() const {
TokenService* token_service = TokenServiceFactory::GetForProfile(profile());
return token_service->HasOAuthLoginToken();
}
IdentityLaunchWebAuthFlowFunction::IdentityLaunchWebAuthFlowFunction() {}
IdentityLaunchWebAuthFlowFunction::~IdentityLaunchWebAuthFlowFunction() {}
bool IdentityLaunchWebAuthFlowFunction::RunImpl() {
scoped_ptr<LaunchWebAuthFlow::Params> params(
LaunchWebAuthFlow::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
const identity::WebAuthFlowDetails& details = params->details;
GURL auth_url(details.url);
WebAuthFlow::Mode mode =
details.interactive && *details.interactive ?
WebAuthFlow::INTERACTIVE : WebAuthFlow::SILENT;
// The bounds attributes are optional, but using 0 when they're not available
// does the right thing.
gfx::Rect initial_bounds;
if (details.width)
initial_bounds.set_width(*details.width);
if (details.height)
initial_bounds.set_height(*details.height);
if (details.left)
initial_bounds.set_x(*details.left);
if (details.top)
initial_bounds.set_y(*details.top);
AddRef(); // Balanced in OnAuthFlowSuccess/Failure.
Browser* current_browser = this->GetCurrentBrowser();
chrome::HostDesktopType host_desktop_type = current_browser ?
current_browser->host_desktop_type() : chrome::GetActiveDesktop();
auth_flow_.reset(new WebAuthFlow(
this, profile(), GetExtension()->id(), auth_url, mode, initial_bounds,
host_desktop_type));
auth_flow_->Start();
return true;
}
void IdentityLaunchWebAuthFlowFunction::OnAuthFlowSuccess(
const std::string& redirect_url) {
SetResult(Value::CreateStringValue(redirect_url));
SendResponse(true);
Release(); // Balanced in RunImpl.
}
void IdentityLaunchWebAuthFlowFunction::OnAuthFlowFailure() {
error_ = identity_constants::kInvalidRedirect;
SendResponse(false);
Release(); // Balanced in RunImpl.
}
} // namespace extensions
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