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// Copyright (c) 2006-2008 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/dom_ui/new_tab_page_sync_handler.h"
#include "app/l10n_util.h"
#include "base/callback.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/browser/net/chrome_url_request_context.h"
#include "chrome/browser/pref_service.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/pref_names.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "net/base/cookie_monster.h"
#include "net/url_request/url_request_context.h"
// Default URL for the sync web interface.
//
// TODO(idana): when we figure out how we are going to allow third parties to
// plug in their own sync engine, we should allow this value to be
// configurable.
static const char kSyncDefaultViewOnlineUrl[] = "http://docs.google.com";
// TODO(idana): the following code was originally copied from
// toolbar_importer.h/cc and it needs to be moved to a common Google Accounts
// utility.
// A simple pair of fields that identify a set of Google cookies, used to
// filter from a larger set.
struct GoogleCookieFilter {
// The generalized, fully qualified URL of pages where
// cookies with id |cookie_id| are obtained / accessed.
const char* url;
// The id of the cookie this filter is selecting,
// with name/value delimiter (i.e '=').
const char* cookie_id;
};
// Filters to select Google GAIA cookies.
static const GoogleCookieFilter kGAIACookieFilters[] = {
{ "http://.google.com/", "SID=" }, // Gmail.
// Add filters here for other interesting cookies that should result in
// showing the promotions (e.g ASIDAS for dasher accounts).
};
bool IsGoogleGAIACookieInstalled() {
for (size_t i = 0; i < arraysize(kGAIACookieFilters); ++i) {
// Since we are running on the UI thread don't call GetURLRequestContext().
net::CookieStore* store =
Profile::GetDefaultRequestContext()->GetCookieStore();
GURL url(kGAIACookieFilters[i].url);
net::CookieOptions options;
options.set_include_httponly(); // The SID cookie might be httponly.
std::string cookies = store->GetCookiesWithOptions(url, options);
std::vector<std::string> cookie_list;
SplitString(cookies, ';', &cookie_list);
for (std::vector<std::string>::iterator current = cookie_list.begin();
current != cookie_list.end();
++current) {
size_t position =
current->find(kGAIACookieFilters[i].cookie_id);
if (0 == position)
return true;
}
}
return false;
}
NewTabPageSyncHandler::NewTabPageSyncHandler() : sync_service_(NULL),
waiting_for_initial_page_load_(true) {
}
NewTabPageSyncHandler::~NewTabPageSyncHandler() {
if (sync_service_)
sync_service_->RemoveObserver(this);
}
// static
NewTabPageSyncHandler::MessageType
NewTabPageSyncHandler::FromSyncStatusMessageType(
sync_ui_util::MessageType type) {
switch (type) {
case sync_ui_util::SYNC_ERROR:
return SYNC_ERROR;
case sync_ui_util::PRE_SYNCED:
case sync_ui_util::SYNCED:
default:
return HIDE;
}
}
DOMMessageHandler* NewTabPageSyncHandler::Attach(DOMUI* dom_ui) {
sync_service_ = dom_ui->GetProfile()->GetProfileSyncService();
DCHECK(sync_service_); // This shouldn't get called by an incognito NTP.
sync_service_->AddObserver(this);
return DOMMessageHandler::Attach(dom_ui);
}
void NewTabPageSyncHandler::RegisterMessages() {
dom_ui_->RegisterMessageCallback("GetSyncMessage",
NewCallback(this, &NewTabPageSyncHandler::HandleGetSyncMessage));
dom_ui_->RegisterMessageCallback("SyncLinkClicked",
NewCallback(this, &NewTabPageSyncHandler::HandleSyncLinkClicked));
}
void NewTabPageSyncHandler::HandleGetSyncMessage(const Value* value) {
waiting_for_initial_page_load_ = false;
BuildAndSendSyncStatus();
}
void NewTabPageSyncHandler::HideSyncStatusSection() {
SendSyncMessageToPage(HIDE, std::string(), std::string());
}
void NewTabPageSyncHandler::BuildAndSendSyncStatus() {
DCHECK(!waiting_for_initial_page_load_);
// Hide the sync status section if sync is disabled entirely.
if (!sync_service_) {
HideSyncStatusSection();
return;
}
// Don't show sync status if setup is not complete.
if (!sync_service_->HasSyncSetupCompleted()) {
return;
}
// Once sync has been enabled, the supported "sync statuses" for the NNTP
// from the user's perspective are:
//
// "Sync error", when we can't authenticate or establish a connection with
// the sync server (appropriate information appended to
// message).
string16 status_msg;
string16 link_text;
sync_ui_util::MessageType type =
sync_ui_util::GetStatusLabels(sync_service_, &status_msg, &link_text);
SendSyncMessageToPage(FromSyncStatusMessageType(type),
UTF16ToUTF8(status_msg), UTF16ToUTF8(link_text));
}
void NewTabPageSyncHandler::HandleSyncLinkClicked(const Value* value) {
DCHECK(!waiting_for_initial_page_load_);
DCHECK(sync_service_);
if (sync_service_->HasSyncSetupCompleted()) {
if (sync_service_->GetAuthError().state() ==
GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS ||
sync_service_->GetAuthError().state() ==
GoogleServiceAuthError::CAPTCHA_REQUIRED) {
sync_service_->ShowLoginDialog();
return;
}
DictionaryValue value;
value.SetString(L"syncEnabledMessage",
l10n_util::GetStringF(IDS_SYNC_NTP_SYNCED_TO,
UTF16ToWide(sync_service_->GetAuthenticatedUsername())));
dom_ui_->CallJavascriptFunction(L"syncAlreadyEnabled", value);
} else {
// User clicked the 'Start now' link to begin syncing.
ProfileSyncService::SyncEvent(ProfileSyncService::START_FROM_NTP);
sync_service_->EnableForUser();
}
}
void NewTabPageSyncHandler::OnStateChanged() {
// Don't do anything if the page has not yet loaded.
if (waiting_for_initial_page_load_)
return;
BuildAndSendSyncStatus();
}
void NewTabPageSyncHandler::SendSyncMessageToPage(
MessageType type, std::string msg,
std::string linktext) {
DictionaryValue value;
std::wstring user;
std::string title;
std::string linkurl;
// If there is no message to show, we should hide the sync section
// altogether.
if (type == HIDE || msg.empty()) {
value.SetBoolean(L"syncsectionisvisible", false);
} else { // type == SYNC_ERROR
title = WideToUTF8(
l10n_util::GetString(IDS_SYNC_NTP_SYNC_SECTION_ERROR_TITLE));
value.SetBoolean(L"syncsectionisvisible", true);
value.SetString(L"msg", msg);
value.SetString(L"title", title);
if (linktext.empty()) {
value.SetBoolean(L"linkisvisible", false);
} else {
value.SetBoolean(L"linkisvisible", true);
value.SetString(L"linktext", linktext);
// The only time we set the URL is when the user is synced and we need to
// show a link to a web interface (e.g. http://docs.google.com). When we
// set that URL, HandleSyncLinkClicked won't be called when the user
// clicks on the link.
if (linkurl.empty()) {
value.SetBoolean(L"linkurlisset", false);
} else {
value.SetBoolean(L"linkurlisset", true);
value.SetString(L"linkurl", linkurl);
}
}
}
dom_ui_->CallJavascriptFunction(L"syncMessageChanged", value);
}
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