-
Notifications
You must be signed in to change notification settings - Fork 1
/
server.go
220 lines (180 loc) · 4.42 KB
/
server.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
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
package main
import (
"fmt"
"io"
"log"
"mime"
"net/http"
"github.com/polarpayne/wikix/render"
"github.com/polarpayne/wikix/types"
"github.com/husobee/vestigo"
)
func getNormalizedName(r *http.Request) string {
return vestigo.Param(r, "name")
// return strings.ReplaceAll(page, "_", " ")
}
type server struct {
*render.Template
types.StorePage
types.StoreStatic
}
func (s *server) Run(addr string) {
r := vestigo.NewRouter()
r.Get("/", s.handleIndex(*varRootPage))
r.Get("/p", s.handlePageAll())
r.Get("/p/:name", s.handlePage())
r.Get("/t", s.handleTagAll())
r.Get("/t/:name", s.handleTag())
r.Get("/s", s.handleStaticAll())
r.Get("/s/:name", s.handleStatic())
log.Print("starting server on ", addr)
log.Fatal(http.ListenAndServe(addr, middlewareLogging(middlewareTrailingSlash(r))))
}
// errPage renders the error.html page to `w`.
// `err` must be one of `string`, `[]byte`, `error`, or `fmt.Stringer`, panics otherwise.
// If `err` is a string, it may be followed by `args` that will then be given to `fmt.Sprintf` to format the string.
func (s *server) errPage(w http.ResponseWriter, code int, err interface{}, args ...interface{}) {
var errString string
switch e := err.(type) {
case string:
errString = fmt.Sprintf(e, args...)
case []byte:
errString = string(e)
case error:
errString = e.Error()
case fmt.Stringer:
errString = e.String()
default:
panic("err is of invalid type, it must be one of `string`, `[]byte`, `error`, `fmt.Stringer`")
}
out, er := s.Template.Render("error.html", types.Error{Error: errString, Code: code})
if er != nil {
w.WriteHeader(500)
io.WriteString(w, er.Error())
return
}
w.WriteHeader(code)
w.Write(out)
}
func (s *server) handleIndex(rootPage string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
log.Printf("request to get index page: %v", rootPage)
if !s.PageExists(rootPage) {
s.errPage(w, 404, "page '%v' does not exist", rootPage)
return
}
p, err := s.Page(rootPage)
if err != nil {
s.errPage(w, 500, err)
return
}
out, err := s.Render("page.html", p)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}
func (s *server) handlePage() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
name := getNormalizedName(r)
if !s.PageExists(name) {
s.errPage(w, 404, "page '%v' does not exist", name)
return
}
p, err := s.Page(name)
if err != nil {
s.errPage(w, 500, err)
return
}
out, err := s.Render("page.html", p)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}
func (s *server) handlePageAll() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
pages, err := s.PageAll()
if err != nil {
s.errPage(w, 500, err)
}
out, err := s.Render("page-all.html", pages)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}
func (s *server) handleTag() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
name := getNormalizedName(r)
tag, err := s.Tag(name)
if err != nil {
s.errPage(w, 500, err)
return
}
out, err := s.Render("tag.html", tag)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}
func (s *server) handleTagAll() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
tags, err := s.TagAll()
if err != nil {
s.errPage(w, 500, err)
return
}
out, err := s.Render("tag-all.html", tags)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}
func (s *server) handleStatic() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
name := getNormalizedName(r)
if !s.StaticExists(name) {
s.errPage(w, 404, "static file '%v' does not exist", name)
return
}
mediatype, params, err := mime.ParseMediaType(name)
if err == nil {
w.Header().Set("Content-Type", mime.FormatMediaType(mediatype, params))
} else {
log.Printf("failed to parse mimetype for %v: %v", name, err)
}
f, err := s.Static(name)
if err != nil {
s.errPage(w, 500, err)
return
}
io.Copy(w, f)
f.Close()
}
}
func (s *server) handleStaticAll() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
statics, err := s.StaticAll()
if err != nil {
s.errPage(w, 500, err)
return
}
out, err := s.Render("static-all.html", statics)
if err != nil {
s.errPage(w, 500, err)
return
}
w.Write(out)
}
}