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// 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 "chrome/browser/extensions/api/messaging/incognito_connectability.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/ui/simple_message_box.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "extensions/common/extension.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
namespace extensions {
namespace {
IncognitoConnectability::ScopedAlertTracker::Mode g_alert_mode =
IncognitoConnectability::ScopedAlertTracker::INTERACTIVE;
int g_alert_count = 0;
}
IncognitoConnectability::ScopedAlertTracker::ScopedAlertTracker(Mode mode)
: last_checked_invocation_count_(g_alert_count) {
DCHECK_EQ(INTERACTIVE, g_alert_mode);
DCHECK_NE(INTERACTIVE, mode);
g_alert_mode = mode;
}
IncognitoConnectability::ScopedAlertTracker::~ScopedAlertTracker() {
DCHECK_NE(INTERACTIVE, g_alert_mode);
g_alert_mode = INTERACTIVE;
}
int IncognitoConnectability::ScopedAlertTracker::GetAndResetAlertCount() {
int result = g_alert_count - last_checked_invocation_count_;
last_checked_invocation_count_ = g_alert_count;
return result;
}
IncognitoConnectability::IncognitoConnectability(Profile* profile) {
CHECK(profile->IsOffTheRecord());
}
IncognitoConnectability::~IncognitoConnectability() {
}
// static
IncognitoConnectability* IncognitoConnectability::Get(Profile* profile) {
return ProfileKeyedAPIFactory<IncognitoConnectability>::GetForProfile(
profile);
}
bool IncognitoConnectability::Query(const Extension* extension,
content::WebContents* web_contents,
const GURL& url) {
GURL origin = url.GetOrigin();
if (origin.is_empty())
return false;
if (IsInMap(extension, origin, allowed_origins_))
return true;
if (IsInMap(extension, origin, disallowed_origins_))
return false;
// We need to ask the user.
++g_alert_count;
chrome::MessageBoxResult result = chrome::MESSAGE_BOX_RESULT_NO;
switch (g_alert_mode) {
// Production code should always be using INTERACTIVE.
case ScopedAlertTracker::INTERACTIVE: {
int template_id = extension->is_app() ?
IDS_EXTENSION_PROMPT_APP_CONNECT_FROM_INCOGNITO :
IDS_EXTENSION_PROMPT_EXTENSION_CONNECT_FROM_INCOGNITO;
result = chrome::ShowMessageBox(
web_contents ? web_contents->GetView()->GetTopLevelNativeWindow()
: NULL,
base::string16(), // no title
l10n_util::GetStringFUTF16(template_id,
base::UTF8ToUTF16(origin.spec()),
base::UTF8ToUTF16(extension->name())),
chrome::MESSAGE_BOX_TYPE_QUESTION);
break;
}
// Testing code can override to always allow or deny.
case ScopedAlertTracker::ALWAYS_ALLOW:
result = chrome::MESSAGE_BOX_RESULT_YES;
break;
case ScopedAlertTracker::ALWAYS_DENY:
result = chrome::MESSAGE_BOX_RESULT_NO;
break;
}
if (result == chrome::MESSAGE_BOX_RESULT_NO) {
disallowed_origins_[extension->id()].insert(origin);
return false;
}
allowed_origins_[extension->id()].insert(origin);
return true;
}
bool IncognitoConnectability::IsInMap(const Extension* extension,
const GURL& origin,
const ExtensionToOriginsMap& map) {
DCHECK_EQ(origin, origin.GetOrigin());
ExtensionToOriginsMap::const_iterator it = map.find(extension->id());
return it != map.end() && it->second.count(origin) > 0;
}
static base::LazyInstance<ProfileKeyedAPIFactory<IncognitoConnectability> >
g_factory = LAZY_INSTANCE_INITIALIZER;
// static
ProfileKeyedAPIFactory<IncognitoConnectability>*
IncognitoConnectability::GetFactoryInstance() {
return &g_factory.Get();
}
} // namespace extensions
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