-
Notifications
You must be signed in to change notification settings - Fork 0
/
yacd.go
105 lines (91 loc) · 2.41 KB
/
yacd.go
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
package ariang
import (
"embed"
"errors"
"io/fs"
"net/http"
"path"
"path/filepath"
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
)
func init() {
caddy.RegisterModule(Handler{})
httpcaddyfile.RegisterHandlerDirective("yacd", parseCaddyfile)
}
// content holds our static web server content.
// Yet Another Clash Dashboard 0.3.4
//go:embed www/*
var www embed.FS
// Handler implements an HTTP handler that ...
type Handler struct {
Prefix string `json:"prefix,omitempty"`
Handler http.Handler
}
// CaddyModule returns the Caddy module information.
func (Handler) CaddyModule() caddy.ModuleInfo {
return caddy.ModuleInfo{
ID: "http.handlers.yacd",
New: func() caddy.Module { return new(Handler) },
}
}
// Provision implements caddy.Provisioner.
func (m *Handler) Provision(ctx caddy.Context) error {
m.Handler = http.FileServer(http.FS(FS(www)))
if m.Prefix != "" {
m.Handler = http.StripPrefix(m.Prefix, m.Handler)
}
return nil
}
// ServeHTTP implements caddyhttp.MiddlewareHandler.
func (m *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyhttp.Handler) (err error) {
m.Handler.ServeHTTP(w, r)
return nil
}
// UnmarshalCaddyfile unmarshals Caddyfile tokens into h.
func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
if !d.Next() {
return d.ArgErr()
}
args := d.RemainingArgs()
if len(args) > 0 {
return d.ArgErr()
}
for nesting := d.Nesting(); d.NextBlock(nesting); {
subdirective := d.Val()
args := d.RemainingArgs()
switch subdirective {
case "prefix":
if len(args) != 1 {
return d.ArgErr()
}
if args[0] == "" {
return errors.New("empty prefix")
}
if h.Prefix != "" {
return errors.New("only one prefix is allowed")
}
h.Prefix = args[0]
}
}
return nil
}
func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
m := &Handler{}
err := m.UnmarshalCaddyfile(h.Dispenser)
return m, err
}
// Interface guards
var (
_ caddy.Provisioner = (*Handler)(nil)
_ caddyhttp.MiddlewareHandler = (*Handler)(nil)
_ caddyfile.Unmarshaler = (*Handler)(nil)
)
// FS is ...
type FS embed.FS
// Open is ...
func (fs FS) Open(name string) (fs.File, error) {
return embed.FS(fs).Open(filepath.Join("www", filepath.FromSlash(path.Clean("/"+name))))
}