105 lines
3.0 KiB
Rust
105 lines
3.0 KiB
Rust
mod parameters;
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use std::path::{Path};
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use walkdir::{WalkDir, DirEntry};
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use smartstring::alias::String;
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use structopt::StructOpt;
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use std::fs::File;
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use std::io;
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use std::io::Read;
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use mime_guess;
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use xdg_mime::SharedMimeInfo;
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use mime_guess::Mime;
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// TODO: test if this actually works on a windows machine
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#[cfg(windows)]
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fn is_hidden(entry: &DirEntry) -> bool {
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use std::os::windows::prelude::*;
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use std::fs;
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fs::metadata(entry) // try to get metadata for file
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.map_or(
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false, // if getting metadata/attributes fails, assume it's not hidden
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|f| f.file_attributes() & 0x2 // flag for hidden - https://docs.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants
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)
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}
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#[cfg(not(windows))]
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fn is_hidden(entry: &DirEntry) -> bool {
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entry.file_name().to_str().map_or(false, |f| f.starts_with("."))
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}
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fn ext_match(args: ¶meters::Parameters, entry: &DirEntry) -> bool {
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if entry.file_type().is_dir() {
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return true;
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}
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if !args.scan_hidden && is_hidden(entry) {
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return false;
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}
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let path = Path::new(entry.file_name());
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if let Some(extensions) = &args.extensions {
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return match path.extension() {
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None => true,
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Some(ext) => {
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extensions.contains(&ext.to_string_lossy().into())
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}
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}
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}
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false
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}
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fn mime_type(db: &SharedMimeInfo, filepath: &Path) -> io::Result<Option<Mime>, > {
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let mut buffer = [0; 1024];
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// attempt to read up to the first kilobyte of the file
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let mut file = File::open(filepath)?;
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file.read(&mut buffer)?;
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Ok(db.get_mime_type_for_data(&buffer).map(|m| m.0))
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}
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fn get_ext_from_mime(mime: &Mime) -> Option<String> {
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match mime_guess::get_mime_extensions(mime) // get a list of possible extensions for this mime type
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.map(|g| g[0]) { // take the first option in the list and return it as a string
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// jpeg files are given the primary extension "jpe", due to the extension list being stored in alphabetical order.
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// to handle this particular case, swap "jpe" out for "jpg", and leave everything else the same, making sure we
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// convert the &strs to Strings.
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Some("jpe") => Some(String::from("jpg")),
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Some(ext) => Some(String::from(ext)),
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None => None
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}
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}
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fn main() {
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let args = parameters::Parameters::from_args();
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let db = xdg_mime::SharedMimeInfo::new();
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println!("{:#?}", args);
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// println!("{:#?}", args.dirs);
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println!("=====\nIterating directory: {:?}\n=====", args.dirs);
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let stepper = WalkDir::new(&args.dirs).into_iter();
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for entry in stepper.filter_entry(|e| ext_match(&args, e)) {
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let entry = entry.unwrap();
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if !entry.file_type().is_file() {
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println!("{} is not a file", entry.path().display());
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continue
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}
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// let result = tree_magic_mini::from_filepath(entry.path()).unwrap_or("???");
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let result = mime_type(&db, entry.path()).unwrap().unwrap();
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println!(
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"{} has type {}, extension should be {:?}",
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entry.path().display(),
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result,
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get_ext_from_mime(&result)
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);
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}
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// println!("WEBP CHECK: {:#?}", tree_magic_mini::match_filepath(
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// "image/webp",
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// Path::new("imgs/true_webp_lossless.webp"))
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// );
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}
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