1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99

extern crate dirs;
#[macro_use]
extern crate failure;
#[macro_use]
extern crate log;
use std::{process, fs, path::{Path, PathBuf}};

pub type Result<T> = std::result::Result<T, failure::Error>;

#[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.len() == 0 {
        warn!("No places dbs!");
        return Ok(None);
    }
    // Already sorted by size (descending)
    Ok(Some(all.into_iter().next().unwrap()))
}