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
|
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
use fmt;
use fs;
use htmpl;
use io;
use mime;
use net::http;
use net::uri;
use strconv;
use strings;
fn handlereq(conn: io::handle, request: *http::request) (void | io::error | nomem | fs::error) = {
let segments = match(segments_from_path(request.target.raw_path)) {
case let s: []str =>
yield s;
case uri::invalid =>
start_response(conn, 400, "text/plain")?;
fmt::fprintln(conn, "Invalid URI")?;
return void;
case nomem =>
return nomem;
case =>
abort("unreachable");
};
defer strings::freeall(segments);
let trailing_slash: bool = false;
if (segments[len(segments) - 1] == "") {
trailing_slash = true;
free(segments[len(segments) - 1]);
segments = segments[.. len(segments) - 1];
};
if (len(segments) == 0) {
start_response(conn, 200, "text/html")?;
return tp_index(conn);
};
if (segments[0] == ":") {
if (len(segments) == 1) {
start_response(conn, 404, "text/plain")?;
fmt::fprintln(conn, "Error: Blank system endpoint")?;
return;
};
switch (segments[1]) {
case "static" =>
if (len(segments) == 2) {
start_response(conn, 404, "text/plain")?;
fmt::fprintln(conn, "Error: Blank static endpoint")?;
return;
};
let fs_segments = segments[2 ..];
for (let fs_segment .. fs_segments) {
if (strings::contains(fs_segment, "/")) {
start_response(conn, 400, "text/plain")?;
fmt::fprintln(conn, "Error: Slash found in filesystem path")?;
return;
};
};
let fs_segment_path = strings::join("/", fs_segments...)?;
defer free(fs_segment_path);
let file = match (fs::open(static_fs as *fs::fs, fs_segment_path)) {
case let f: io::handle => yield f;
case fs::error =>
start_response(conn, 500, "text/plain")?;
fmt::fprintln(conn, "Filesystem error")?;
return;
};
defer io::close(file)!;
let ext = strings::rcut(fs_segments[len(fs_segments) - 1], ".").1;
let mimetype = match (mime::lookup_ext(ext)) {
case let m: *mime::mimetype => yield m.mime;
case null => yield "application/octet-stream";
};
start_response(conn, 200, mimetype)?;
io::copy(conn, file)?;
case =>
start_response(conn, 404, "text/plain")?;
fmt::fprintln(conn, "Error: Unknown system endpoint")?;
};
};
};
fn start_response(conn: io::handle, status: uint, content_type: str) (void | io::error | nomem) = { // TODO: add len and other headers
fmt::fprint(conn, "HTTP/1.1 ")?;
fmt::fprint(conn, strconv::utos(status))?;
fmt::fprint(conn, " ")?;
fmt::fprint(conn, http::status_reason(status))?;
fmt::fprint(conn, "\r\n")?;
fmt::fprint(conn, "Content-Type: ")?;
fmt::fprint(conn, content_type)?;
fmt::fprint(conn, "\r\n")?;
fmt::fprint(conn, "\r\n")?;
};
|
