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
|
package main
import (
"fmt"
tmpl "html/template"
"io/fs"
"log"
"net/http"
"os"
"path"
fp "path/filepath"
"strings"
)
const (
host = ""
port = "6969"
root = "htdocs/"
)
var tmpls = make(map[string]*tmpl.Template)
func init() {
err := fp.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
if fp.Clean(path) == fp.Clean(root) ||
fp.Ext(path) != ".html" ||
path == fp.Join(root, "base.html") {
return nil
}
label := path[len(fp.Clean(root)):]
tmpls[label] = tmpl.Must(tmpl.ParseFiles(fp.Join(root, "base.html"), path))
return nil
})
if err != nil {
log.Fatal(err)
}
}
type Page struct {
Nav Nav
}
type Nav struct {
ThisSection string
Links []NavLink
}
type NavLink struct {
Href string
Label string
}
var nav = Nav{
Links: []NavLink{
{"/", "samanthony.xyz"},
{"/software/", "software"},
},
}
func rootHandler(w http.ResponseWriter, r *http.Request) {
reqPath := r.URL.Path
// If request directory, serve index.html.
// ie. /software -> /software/index.html
if info, err := os.Stat(fp.Join(root, reqPath)); err == nil {
if info.IsDir() {
reqPath = path.Join(reqPath, "index.html")
}
} else if os.IsNotExist(err) {
http.NotFound(w, r)
return
} else {
fmt.Println(err)
code := http.StatusInternalServerError
http.Error(w, http.StatusText(code), code)
return
}
if t, ok := tmpls[reqPath]; ok {
thisSection := ""
for _, link := range nav.Links {
if strings.HasPrefix(reqPath, link.Href) {
thisSection = link.Href
}
}
nav := nav
nav.ThisSection = thisSection
page := Page{nav}
err := t.Execute(w, page)
if err != nil {
fmt.Println(err)
code := http.StatusInternalServerError
http.Error(w, http.StatusText(code), code)
return
}
} else {
http.ServeFile(w, r, fp.Join(root, reqPath))
}
}
func main() {
http.HandleFunc("/", rootHandler)
fmt.Printf("Listening on %s:%s\n", host, port)
log.Fatal(http.ListenAndServe(fmt.Sprintf("%s:%s", host, port), nil))
}
|