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// originally in app-services, then split out for general-purpose use, but
// then became unmaintained and published to crates.io without a Mozilla owner.
// If we ever need to split it out again we should contact Thom, who I'm sure
// would be happy to give us ownership of the crate.
use anyhow::{bail, format_err, Result};
use log::{debug, info, trace, warn};
use std::{fs, path::PathBuf, process};
#[derive(Clone, Debug, PartialEq)]
pub struct PlacesLocation {
pub profile_name: String,
pub path: PathBuf,
pub db_size: u64,
}
impl PlacesLocation {
pub fn friendly_db_size(&self) -> String {
let sizes = [
(1024 * 1024 * 1024, "Gb"),
(1024 * 1024, "Mb"),
(1024, "Kb"),
];
for (lim, suffix) in &sizes {
if self.db_size >= *lim {
return format!(
"~{} {}",
((self.db_size as f64 / *lim as f64) * 10.0).round() / 10.0,
suffix
);
}
}
format!("{} bytes", self.db_size)
}
}
pub fn get_all_places_dbs() -> Result<Vec<PlacesLocation>> {
let mut path = match dirs::home_dir() {
Some(dir) => dir,
None => bail!("No home directory found!"),
};
if cfg!(windows) {
path.extend(&["AppData", "Roaming", "Mozilla", "Firefox", "Profiles"]);
} else {
let out = String::from_utf8(process::Command::new("uname").args(["-s"]).output()?.stdout)?;
info!("Uname says: {:?}", out);
if out.trim() == "Darwin" {
// ~/Library/Application Support/Firefox/Profiles
path.extend(&["Library", "Application Support", "Firefox", "Profiles"]);
} else {
// I'm not actually sure if this is true for all non-macos unix likes.
path.extend(&[".mozilla", "firefox"]);
}
}
debug!("Using profile path: {:?}", path);
let mut res = fs::read_dir(path)?
.map(|entry_result| {
let entry = entry_result?;
trace!("Considering path {:?}", entry.path());
if !entry.path().is_dir() {
trace!(" Not dir: {:?}", entry.path());
return Ok(None);
}
let mut path = entry.path().to_owned();
let profile_name = path
.file_name()
.unwrap_or_default()
.to_str()
.ok_or_else(|| {
warn!(" Path has invalid UTF8: {:?}", path);
format_err!("Path has invalid UTF8: {:?}", path)
})?
.into();
path.push("places.sqlite");
if !path.exists() {
return Ok(None);
}
let metadata = fs::metadata(&path)?;
let db_size = metadata.len();
Ok(Some(PlacesLocation {
profile_name,
path,
db_size,
}))
})
.filter_map(|result: Result<Option<PlacesLocation>>| match result {
Ok(val) => val,
Err(e) => {
debug!("Got error finding profile directory, skipping: {}", e);
None
}
})
.collect::<Vec<_>>();
res.sort_by(|a, b| b.db_size.cmp(&a.db_size));
Ok(res)
}
pub fn get_largest_places_db() -> Result<Option<PlacesLocation>> {
let all = get_all_places_dbs()?;
if all.is_empty() {
warn!("No places dbs!");
return Ok(None);
}
// Already sorted by size (descending)
Ok(Some(all.into_iter().next().unwrap()))
}