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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/google_apis/gdata_util.h"
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "base/time.h"
#include "base/tracked_objects.h"
#include "chrome/browser/google_apis/auth_service.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace gdata {
namespace util {
namespace {
const char kGDataSpecialRootPath[] = "/special";
const char kGDataMountPointPath[] = "/special/drive";
const int kReadOnlyFilePermissions = base::PLATFORM_FILE_OPEN |
base::PLATFORM_FILE_READ |
base::PLATFORM_FILE_EXCLUSIVE_READ |
base::PLATFORM_FILE_ASYNC;
bool ParseTimezone(const base::StringPiece& timezone,
bool ahead,
int* out_offset_to_utc_in_minutes) {
DCHECK(out_offset_to_utc_in_minutes);
std::vector<base::StringPiece> parts;
int num_of_token = Tokenize(timezone, ":", &parts);
int hour = 0;
if (!base::StringToInt(parts[0], &hour))
return false;
int minute = 0;
if (num_of_token > 1 && !base::StringToInt(parts[1], &minute))
return false;
*out_offset_to_utc_in_minutes = (hour * 60 + minute) * (ahead ? +1 : -1);
return true;
}
} // namespace
bool IsDriveV2ApiEnabled() {
// TODO(kochi): Re-enable this. crbug.com/152230
return false;
}
bool GetTimeFromString(const base::StringPiece& raw_value,
base::Time* parsed_time) {
base::StringPiece date;
base::StringPiece time_and_tz;
base::StringPiece time;
base::Time::Exploded exploded = {0};
bool has_timezone = false;
int offset_to_utc_in_minutes = 0;
// Splits the string into "date" part and "time" part.
{
std::vector<base::StringPiece> parts;
if (Tokenize(raw_value, "T", &parts) != 2)
return false;
date = parts[0];
time_and_tz = parts[1];
}
// Parses timezone suffix on the time part if available.
{
std::vector<base::StringPiece> parts;
if (time_and_tz[time_and_tz.size() - 1] == 'Z') {
// Timezone is 'Z' (UTC)
has_timezone = true;
offset_to_utc_in_minutes = 0;
time = time_and_tz;
time.remove_suffix(1);
} else if (Tokenize(time_and_tz, "+", &parts) == 2) {
// Timezone is "+hh:mm" format
if (!ParseTimezone(parts[1], true, &offset_to_utc_in_minutes))
return false;
has_timezone = true;
time = parts[0];
} else if (Tokenize(time_and_tz, "-", &parts) == 2) {
// Timezone is "-hh:mm" format
if (!ParseTimezone(parts[1], false, &offset_to_utc_in_minutes))
return false;
has_timezone = true;
time = parts[0];
} else {
// No timezone (uses local timezone)
time = time_and_tz;
}
}
// Parses the date part.
{
std::vector<base::StringPiece> parts;
if (Tokenize(date, "-", &parts) != 3)
return false;
if (!base::StringToInt(parts[0], &exploded.year) ||
!base::StringToInt(parts[1], &exploded.month) ||
!base::StringToInt(parts[2], &exploded.day_of_month)) {
return false;
}
}
// Parses the time part.
{
std::vector<base::StringPiece> parts;
int num_of_token = Tokenize(time, ":", &parts);
if (num_of_token != 3)
return false;
if (!base::StringToInt(parts[0], &exploded.hour) ||
!base::StringToInt(parts[1], &exploded.minute)) {
return false;
}
std::vector<base::StringPiece> seconds_parts;
int num_of_seconds_token = Tokenize(parts[2], ".", &seconds_parts);
if (num_of_seconds_token >= 3)
return false;
if (!base::StringToInt(seconds_parts[0], &exploded.second))
return false;
// Only accept milli-seconds (3-digits).
if (num_of_seconds_token > 1 &&
seconds_parts[1].length() == 3 &&
!base::StringToInt(seconds_parts[1], &exploded.millisecond)) {
return false;
}
}
exploded.day_of_week = 0;
if (!exploded.HasValidValues())
return false;
if (has_timezone) {
*parsed_time = base::Time::FromUTCExploded(exploded);
if (offset_to_utc_in_minutes != 0)
*parsed_time -= base::TimeDelta::FromMinutes(offset_to_utc_in_minutes);
} else {
*parsed_time = base::Time::FromLocalExploded(exploded);
}
return true;
}
std::string FormatTimeAsString(const base::Time& time) {
base::Time::Exploded exploded;
time.UTCExplode(&exploded);
return base::StringPrintf(
"%04d-%02d-%02dT%02d:%02d:%02d.%03dZ",
exploded.year, exploded.month, exploded.day_of_month,
exploded.hour, exploded.minute, exploded.second, exploded.millisecond);
}
std::string FormatTimeAsStringLocaltime(const base::Time& time) {
base::Time::Exploded exploded;
time.LocalExplode(&exploded);
return base::StringPrintf(
"%04d-%02d-%02dT%02d:%02d:%02d.%03d",
exploded.year, exploded.month, exploded.day_of_month,
exploded.hour, exploded.minute, exploded.second, exploded.millisecond);
}
void PostBlockingPoolSequencedTask(
const tracked_objects::Location& from_here,
base::SequencedTaskRunner* blocking_task_runner,
const base::Closure& task) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const bool posted = blocking_task_runner->PostTask(from_here, task);
DCHECK(posted);
}
void PostBlockingPoolSequencedTaskAndReply(
const tracked_objects::Location& from_here,
base::SequencedTaskRunner* blocking_task_runner,
const base::Closure& request_task,
const base::Closure& reply_task) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
const bool posted = blocking_task_runner->PostTaskAndReply(
from_here, request_task, reply_task);
DCHECK(posted);
}
} // namespace util
} // namespace gdata
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