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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
package markdown
import (
"net/http"
"path/filepath"
"github.com/mholt/caddy"
"github.com/mholt/caddy/caddyhttp/httpserver"
"github.com/russross/blackfriday"
)
func init() {
caddy.RegisterPlugin("markdown", caddy.Plugin{
ServerType: "http",
Action: setup,
})
}
// setup configures a new Markdown middleware instance.
func setup(c *caddy.Controller) error {
mdconfigs, err := markdownParse(c)
if err != nil {
return err
}
cfg := httpserver.GetConfig(c)
md := Markdown{
Root: cfg.Root,
FileSys: http.Dir(cfg.Root),
Configs: mdconfigs,
}
cfg.AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
md.Next = next
return md
})
return nil
}
func markdownParse(c *caddy.Controller) ([]*Config, error) {
var mdconfigs []*Config
for c.Next() {
md := &Config{
Renderer: blackfriday.HtmlRenderer(0, "", ""),
Extensions: make(map[string]struct{}),
Template: GetDefaultTemplate(),
IndexFiles: []string{},
}
// Get the path scope
args := c.RemainingArgs()
switch len(args) {
case 0:
md.PathScope = "/"
case 1:
md.PathScope = args[0]
default:
return mdconfigs, c.ArgErr()
}
// Load any other configuration parameters
for c.NextBlock() {
if err := loadParams(c, md); err != nil {
return mdconfigs, err
}
}
// If no extensions were specified, assume some defaults
if len(md.Extensions) == 0 {
md.Extensions[".md"] = struct{}{}
md.Extensions[".markdown"] = struct{}{}
md.Extensions[".mdown"] = struct{}{}
}
// Make a list of index files to match extensions
for ext := range md.Extensions {
md.IndexFiles = append(md.IndexFiles, "index"+ext)
}
mdconfigs = append(mdconfigs, md)
}
return mdconfigs, nil
}
func loadParams(c *caddy.Controller, mdc *Config) error {
cfg := httpserver.GetConfig(c)
switch c.Val() {
case "ext":
for _, ext := range c.RemainingArgs() {
mdc.Extensions[ext] = struct{}{}
}
return nil
case "css":
if !c.NextArg() {
return c.ArgErr()
}
mdc.Styles = append(mdc.Styles, c.Val())
return nil
case "js":
if !c.NextArg() {
return c.ArgErr()
}
mdc.Scripts = append(mdc.Scripts, c.Val())
return nil
case "template":
tArgs := c.RemainingArgs()
switch len(tArgs) {
default:
return c.ArgErr()
case 1:
fpath := filepath.ToSlash(filepath.Clean(cfg.Root + string(filepath.Separator) + tArgs[0]))
if err := SetTemplate(mdc.Template, "", fpath); err != nil {
return c.Errf("default template parse error: %v", err)
}
return nil
case 2:
fpath := filepath.ToSlash(filepath.Clean(cfg.Root + string(filepath.Separator) + tArgs[1]))
if err := SetTemplate(mdc.Template, tArgs[0], fpath); err != nil {
return c.Errf("template parse error: %v", err)
}
return nil
}
case "templatedir":
if !c.NextArg() {
return c.ArgErr()
}
_, err := mdc.Template.ParseGlob(c.Val())
if err != nil {
return c.Errf("template load error: %v", err)
}
if c.NextArg() {
return c.ArgErr()
}
return nil
default:
return c.Err("Expected valid markdown configuration property")
}
}
|
