-
-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
directory.rs
121 lines (109 loc) · 3.42 KB
/
directory.rs
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
use std::{fmt::Write, fs::DirEntry, io, path::Path, path::PathBuf};
use actix_web::{dev::ServiceResponse, HttpRequest, HttpResponse};
use percent_encoding::{utf8_percent_encode, CONTROLS};
use v_htmlescape::escape as escape_html_entity;
/// A directory; responds with the generated directory listing.
#[derive(Debug)]
pub struct Directory {
/// Base directory.
pub base: PathBuf,
/// Path of subdirectory to generate listing for.
pub path: PathBuf,
}
impl Directory {
/// Create a new directory
pub fn new(base: PathBuf, path: PathBuf) -> Directory {
Directory { base, path }
}
/// Is this entry visible from this directory?
pub fn is_visible(&self, entry: &io::Result<DirEntry>) -> bool {
if let Ok(ref entry) = *entry {
if let Some(name) = entry.file_name().to_str() {
if name.starts_with('.') {
return false;
}
}
if let Ok(ref md) = entry.metadata() {
let ft = md.file_type();
return ft.is_dir() || ft.is_file() || ft.is_symlink();
}
}
false
}
}
pub(crate) type DirectoryRenderer =
dyn Fn(&Directory, &HttpRequest) -> Result<ServiceResponse, io::Error>;
/// Returns percent encoded file URL path.
macro_rules! encode_file_url {
($path:ident) => {
utf8_percent_encode(&$path, CONTROLS)
};
}
/// Returns HTML entity encoded formatter.
///
/// ```plain
/// " => "
/// & => &
/// ' => '
/// < => <
/// > => >
/// / => /
/// ```
macro_rules! encode_file_name {
($entry:ident) => {
escape_html_entity(&$entry.file_name().to_string_lossy())
};
}
pub(crate) fn directory_listing(
dir: &Directory,
req: &HttpRequest,
) -> Result<ServiceResponse, io::Error> {
let index_of = format!("Index of {}", req.path());
let mut body = String::new();
let base = Path::new(req.path());
for entry in dir.path.read_dir()? {
if dir.is_visible(&entry) {
let entry = entry.unwrap();
let p = match entry.path().strip_prefix(&dir.path) {
Ok(p) if cfg!(windows) => base.join(p).to_string_lossy().replace('\\', "/"),
Ok(p) => base.join(p).to_string_lossy().into_owned(),
Err(_) => continue,
};
// if file is a directory, add '/' to the end of the name
if let Ok(metadata) = entry.metadata() {
if metadata.is_dir() {
let _ = write!(
body,
"<li><a href=\"{}\">{}/</a></li>",
encode_file_url!(p),
encode_file_name!(entry),
);
} else {
let _ = write!(
body,
"<li><a href=\"{}\">{}</a></li>",
encode_file_url!(p),
encode_file_name!(entry),
);
}
} else {
continue;
}
}
}
let html = format!(
"<html>\
<head><title>{}</title></head>\
<body><h1>{}</h1>\
<ul>\
{}\
</ul></body>\n</html>",
index_of, index_of, body
);
Ok(ServiceResponse::new(
req.clone(),
HttpResponse::Ok()
.content_type("text/html; charset=utf-8")
.body(html),
))
}