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
100
101
102
103
104
105
use std::fs;
use std::fs::OpenOptions;
use std::io::{Read, Write};
use std::os::unix::fs::PermissionsExt;
use std::path::PathBuf;
use uuid::Uuid;
#[derive(Debug)]
pub struct File {
pub path: PathBuf,
delete_on_drop: bool,
}
impl Drop for File {
fn drop(&mut self) {
if self.delete_on_drop {
std::fs::remove_file(self.path()).unwrap_or_else(|_| {});
}
}
}
impl File {
pub fn file(&self) -> std::fs::File {
OpenOptions::new()
.read(true)
.write(true)
.create(true)
.open(&self.path)
.unwrap()
}
pub fn path(&self) -> &PathBuf {
&self.path
}
pub fn read_to_string(&self) -> String {
let mut buf = Vec::new();
let mut f = fs::File::open(&self.path)
.unwrap_or_else(|_| panic!("Can't open {}", &self.path.display()));
f.read_to_end(&mut buf)
.unwrap_or_else(|_| panic!("Can't read {}", &self.path.display()));
String::from_utf8(buf).unwrap()
}
}
pub fn create_temp_file(
bytes: &[u8],
filename: Option<&str>,
path: Option<&PathBuf>,
delete_on_drop: bool,
) -> File {
let mut dir = std::env::temp_dir();
let path = path.unwrap_or_else(|| {
dir.push("meli");
std::fs::DirBuilder::new()
.recursive(true)
.create(&dir)
.unwrap();
if let Some(filename) = filename {
dir.push(filename)
} else {
let u = Uuid::new_v4();
dir.push(u.to_hyphenated().to_string());
}
&dir
});
let mut f = std::fs::File::create(path).unwrap();
let metadata = f.metadata().unwrap();
let mut permissions = metadata.permissions();
permissions.set_mode(0o600);
f.set_permissions(permissions).unwrap();
f.write_all(bytes).unwrap();
f.flush().unwrap();
File {
path: path.clone(),
delete_on_drop,
}
}