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use std::{fs, path, process, time};
#[derive(Clone, Debug)]
pub enum FileType {
Directory,
Symlink(String),
File,
}
impl FileType {
pub fn is_dir(&self) -> bool {
match *self {
Self::Directory => true,
_ => false,
}
}
pub fn is_symlink(&self) -> bool {
match *self {
Self::Symlink(_) => true,
_ => false,
}
}
pub fn is_file(&self) -> bool {
match *self {
Self::File => true,
_ => false,
}
}
}
#[derive(Clone, Debug)]
pub struct JoshutoMetadata {
pub len: u64,
pub modified: time::SystemTime,
pub permissions: fs::Permissions,
pub file_type: FileType,
pub mimetype: Option<String>,
#[cfg(unix)]
pub uid: u32,
#[cfg(unix)]
pub gid: u32,
#[cfg(unix)]
pub mode: u32,
}
impl JoshutoMetadata {
pub fn from(path: &path::Path) -> std::io::Result<Self> {
#[cfg(unix)]
use std::os::unix::fs::MetadataExt;
let metadata = fs::symlink_metadata(path)?;
let len = metadata.len();
let modified = metadata.modified()?;
let permissions = metadata.permissions();
let file_type = metadata.file_type();
let file_type = if file_type.is_dir() {
FileType::Directory
} else if file_type.is_symlink() {
let mut link = "".to_string();
if let Ok(path) = fs::read_link(path) {
if let Some(s) = path.to_str() {
link = s.to_string();
}
}
FileType::Symlink(link)
} else {
FileType::File
};
let mut mimetype = None;
if let FileType::File = file_type {
#[cfg(feature = "file_mimetype")]
{
mimetype = file_mimetype(path)
}
}
#[cfg(unix)]
let uid = metadata.uid();
#[cfg(unix)]
let gid = metadata.gid();
#[cfg(unix)]
let mode = metadata.mode();
Ok(Self {
len,
modified,
permissions,
file_type,
mimetype,
#[cfg(unix)]
uid,
#[cfg(unix)]
gid,
#[cfg(unix)]
mode,
})
}
}
fn file_mimetype(path: &path::Path) -> Option<String> {
let output = process::Command::new("file")
.args(&["-Lb", "--mime-type"])
.arg(path)
.output();
match output {
Ok(s) => {
if s.status.success() {
match String::from_utf8(s.stdout) {
Ok(s) => Some(s),
Err(_) => None,
}
} else {
None
}
}
Err(_) => None,
}
}
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