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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/notifications/win/notification_launch_id.h"
#include "base/metrics/histogram_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/notifications/notification_platform_bridge.h"
#include "chrome/common/chrome_switches.h"
namespace {
enum LaunchIdComponents {
NORMAL = 0,
BUTTON_INDEX = 1,
CONTEXT_MENU = 2,
DISMISS_BUTTON = 3,
};
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class LaunchIdDecodeStatus {
kSuccess = 0,
kEmptyInput = 1,
kComponentIdInvalid = 2,
kComponentIdOutOfRange = 3,
kTokensInsufficient = 4,
kButtonIndexInvalid = 5,
kTypeInvalid = 6,
kTypeOutOfRange = 7,
kMaxValue = kTypeOutOfRange,
};
void LogLaunchIdDecodeStatus(LaunchIdDecodeStatus status) {
UMA_HISTOGRAM_ENUMERATION("Notifications.Windows.LaunchIdDecodeStatus",
status);
}
} // namespace
NotificationLaunchId::NotificationLaunchId() = default;
NotificationLaunchId::NotificationLaunchId(const NotificationLaunchId& other) =
default;
NotificationLaunchId::NotificationLaunchId(
NotificationHandler::Type notification_type,
const std::string& notification_id,
const std::string& profile_id,
const std::wstring& app_user_model_id,
bool incognito,
const GURL& origin_url)
: notification_type_(notification_type),
notification_id_(notification_id),
profile_id_(profile_id),
app_user_model_id_(app_user_model_id),
incognito_(incognito),
origin_url_(origin_url),
is_valid_(true) {}
NotificationLaunchId::NotificationLaunchId(const std::string& input) {
if (input.empty()) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kEmptyInput);
return;
}
const char kDelimiter[] = "|";
std::vector<std::string> tokens = base::SplitString(
input, kDelimiter, base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);
// Figure out what kind of input string it is.
int number;
if (!base::StringToInt(tokens[0], &number)) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kComponentIdInvalid);
return;
}
LaunchIdComponents components = static_cast<LaunchIdComponents>(number);
// The final token may contain the separation character.
size_t min_num_tokens;
switch (components) {
case NORMAL:
// type|notification_type|profile_id|app_user_model_id|incognito|origin|
// notification_id
min_num_tokens = 7;
break;
case BUTTON_INDEX:
// type|button_index|notification_type|profile_id|app_user_model_id|
// incognito|origin|notification_id
min_num_tokens = 8;
break;
case CONTEXT_MENU:
// type|notification_type|profile_id|app_user_model_id|incognito|origin|
// notification_id
min_num_tokens = 7;
is_for_context_menu_ = true;
break;
case DISMISS_BUTTON:
// type|notification_type|profile_id|app_user_model_id|incognito|origin|
// notification_id
min_num_tokens = 7;
is_for_dismiss_button_ = true;
break;
default:
// |components| has an invalid value.
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kComponentIdOutOfRange);
return;
}
if (tokens.size() < min_num_tokens) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kTokensInsufficient);
return;
}
if (components == BUTTON_INDEX) {
if (!base::StringToInt(tokens[1], &button_index_)) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kButtonIndexInvalid);
return;
}
tokens.erase(tokens.begin());
}
int type = -1;
if (!base::StringToInt(tokens[1], &type)) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kTypeInvalid);
return;
}
if (type < 0 || type > static_cast<int>(NotificationHandler::Type::MAX)) {
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kTypeOutOfRange);
return;
}
notification_type_ = static_cast<NotificationHandler::Type>(type);
profile_id_ = tokens[2];
app_user_model_id_ = base::UTF8ToWide(tokens[3]);
incognito_ = tokens[4] == "1";
origin_url_ = GURL(tokens[5]);
notification_id_.clear();
// Notification IDs is the rest of the string (delimiters not stripped off).
const size_t kMinVectorSize = 6;
for (size_t i = kMinVectorSize; i < tokens.size(); ++i) {
if (i > kMinVectorSize)
notification_id_ += kDelimiter;
notification_id_ += tokens[i];
}
is_valid_ = true;
LogLaunchIdDecodeStatus(LaunchIdDecodeStatus::kSuccess);
}
NotificationLaunchId::~NotificationLaunchId() = default;
std::string NotificationLaunchId::Serialize() const {
// The pipe was chosen as delimiter because it is invalid for directory paths
// and unsafe for origins -- and should therefore be encoded (as per
// http://www.ietf.org/rfc/rfc1738.txt).
std::string prefix;
LaunchIdComponents type;
if (is_for_context_menu_)
type = CONTEXT_MENU;
else if (is_for_dismiss_button_)
type = DISMISS_BUTTON;
else if (button_index_ > -1)
type = BUTTON_INDEX;
else
type = NORMAL;
if (button_index_ > -1)
prefix = base::StringPrintf("|%d", button_index_);
return base::StringPrintf(
"%d%s|%d|%s|%s|%d|%s|%s", type, prefix.c_str(),
static_cast<int>(notification_type_), profile_id_.c_str(),
base::WideToUTF8(app_user_model_id_).c_str(), incognito_,
origin_url_.spec().c_str(), notification_id_.c_str());
}
// static
std::string NotificationLaunchId::GetProfileIdFromLaunchId(
const std::wstring& launch_id_str) {
NotificationLaunchId launch_id(base::WideToUTF8(launch_id_str));
// The launch_id_invalid failure is logged via HandleActivation(). We don't
// re-log it here, which would skew the UMA failure metrics.
return launch_id.is_valid() ? launch_id.profile_id() : std::string();
}
// static
base::FilePath NotificationLaunchId::GetNotificationLaunchProfileBaseName(
const base::CommandLine& command_line) {
if (command_line.HasSwitch(switches::kNotificationLaunchId)) {
return NotificationPlatformBridge::GetProfileBaseNameFromProfileId(
NotificationLaunchId::GetProfileIdFromLaunchId(
command_line.GetSwitchValueNative(
switches::kNotificationLaunchId)));
}
return base::FilePath();
}
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