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
122
123
124
125
126
127
128
129
130
131
132
|
// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fileserver
import (
"encoding/json"
"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/caddyserver/caddy/v2/modules/caddyhttp/rewrite"
)
func init() {
httpcaddyfile.RegisterHandlerDirective("file_server", parseCaddyfile)
httpcaddyfile.RegisterDirective("try_files", parseTryFiles)
}
// parseCaddyfile parses the file_server directive. It enables the static file
// server and configures it with this syntax:
//
// file_server [<matcher>] [browse] {
// root <path>
// hide <files...>
// index <files...>
// browse [<template_file>]
// }
//
func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
var fsrv FileServer
for h.Next() {
args := h.RemainingArgs()
switch len(args) {
case 0:
case 1:
if args[0] != "browse" {
return nil, h.ArgErr()
}
fsrv.Browse = new(Browse)
default:
return nil, h.ArgErr()
}
for h.NextBlock(0) {
switch h.Val() {
case "hide":
fsrv.Hide = h.RemainingArgs()
if len(fsrv.Hide) == 0 {
return nil, h.ArgErr()
}
case "index":
fsrv.IndexNames = h.RemainingArgs()
if len(fsrv.Hide) == 0 {
return nil, h.ArgErr()
}
case "root":
if !h.Args(&fsrv.Root) {
return nil, h.ArgErr()
}
case "browse":
if fsrv.Browse != nil {
return nil, h.Err("browsing is already configured")
}
fsrv.Browse = new(Browse)
h.Args(&fsrv.Browse.TemplateFile)
default:
return nil, h.Errf("unknown subdirective '%s'", h.Val())
}
}
}
// hide the Caddyfile (and any imported Caddyfiles)
if configFiles := h.Caddyfiles(); len(configFiles) > 0 {
for _, file := range configFiles {
if !fileHidden(file, fsrv.Hide) {
fsrv.Hide = append(fsrv.Hide, file)
}
}
}
return &fsrv, nil
}
// parseTryFiles parses the try_files directive. It combines a file matcher
// with a rewrite directive, so this is not a standard handler directive.
// A try_files directive has this syntax (notice no matcher tokens accepted):
//
// try_files <files...>
//
// and is shorthand for:
//
// matcher:try_files {
// file {
// try_files <files...>
// }
// }
// rewrite match:try_files {http.matchers.file.relative}{http.request.uri.query_string}
//
func parseTryFiles(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error) {
if !h.Next() {
return nil, h.ArgErr()
}
try := h.RemainingArgs()
if len(try) == 0 {
return nil, h.ArgErr()
}
handler := rewrite.Rewrite{
URI: "{http.matchers.file.relative}{http.request.uri.query_string}",
}
matcherSet := map[string]json.RawMessage{
"file": h.JSON(MatchFile{
TryFiles: try,
}, nil),
}
return h.NewRoute(matcherSet, handler), nil
}
|
