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use crate::attribute::FileAttributeFlags;
use crate::err::{self, Result};
use crate::ReadSeek;
use byteorder::{LittleEndian, ReadBytesExt};
use chrono::{DateTime, Utc};
use log::trace;
use serde::Serialize;
use snafu::ResultExt;
use winstructs::timestamp::WinTimestamp;
#[derive(Serialize, Debug, Clone)]
pub struct StandardInfoAttr {
pub created: DateTime<Utc>,
pub modified: DateTime<Utc>,
pub mft_modified: DateTime<Utc>,
pub accessed: DateTime<Utc>,
/// DOS File Permissions
pub file_flags: FileAttributeFlags,
pub max_version: u32,
pub version: u32,
pub class_id: u32,
pub owner_id: u32,
pub security_id: u32,
pub quota: u64,
pub usn: u64,
}
impl StandardInfoAttr {
/// Parse a Standard Information attrbiute buffer.
///
/// # Example
///
/// Parse a raw buffer.
///
/// ```
/// use mft::attribute::x10::StandardInfoAttr;
/// use mft::attribute::FileAttributeFlags;
/// # use std::io::Cursor;
/// let attribute_buffer: &[u8] = &[
/// 0x2F,0x6D,0xB6,0x6F,0x0C,0x97,0xCE,0x01,0x56,0xCD,0x1A,0x75,0x73,0xB5,0xCE,0x01,
/// 0x56,0xCD,0x1A,0x75,0x73,0xB5,0xCE,0x01,0x56,0xCD,0x1A,0x75,0x73,0xB5,0xCE,0x01,
/// 0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/// 0x00,0x00,0x00,0x00,0xB0,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/// 0x68,0x58,0xA0,0x0A,0x02,0x00,0x00,0x00
/// ];
///
/// let attribute = StandardInfoAttr::from_reader(&mut Cursor::new(attribute_buffer)).unwrap();
///
/// assert_eq!(attribute.created.timestamp(), 1376278290);
/// assert_eq!(attribute.modified.timestamp(), 1379621073);
/// assert_eq!(attribute.mft_modified.timestamp(), 1379621073);
/// assert_eq!(attribute.accessed.timestamp(), 1379621073);
/// assert_eq!(attribute.file_flags.bits(), 32);
/// assert_eq!(attribute.max_version, 0);
/// assert_eq!(attribute.version, 0);
/// assert_eq!(attribute.class_id, 0);
/// assert_eq!(attribute.security_id, 1456);
/// assert_eq!(attribute.quota, 0);
/// assert_eq!(attribute.usn, 8768215144);
/// ```
pub fn from_reader<S: ReadSeek>(reader: &mut S) -> Result<StandardInfoAttr> {
trace!("Offset {}: StandardInfoAttr", reader.tell()?);
let created = WinTimestamp::from_reader(reader)
.context(err::FailedToReadWindowsTime)?
.to_datetime();
let modified = WinTimestamp::from_reader(reader)
.context(err::FailedToReadWindowsTime)?
.to_datetime();
let mft_modified = WinTimestamp::from_reader(reader)
.context(err::FailedToReadWindowsTime)?
.to_datetime();
let accessed = WinTimestamp::from_reader(reader)
.context(err::FailedToReadWindowsTime)?
.to_datetime();
Ok(StandardInfoAttr {
created,
modified,
mft_modified,
accessed,
file_flags: FileAttributeFlags::from_bits_truncate(reader.read_u32::<LittleEndian>()?),
max_version: reader.read_u32::<LittleEndian>()?,
version: reader.read_u32::<LittleEndian>()?,
class_id: reader.read_u32::<LittleEndian>()?,
owner_id: reader.read_u32::<LittleEndian>()?,
security_id: reader.read_u32::<LittleEndian>()?,
quota: reader.read_u64::<LittleEndian>()?,
usn: reader.read_u64::<LittleEndian>()?,
})
}
}
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