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
|
package svc // import "github.com/getwtxt/getwtxt/svc"
import (
"crypto/sha256"
"fmt"
"net/http"
"strconv"
"github.com/getwtxt/registry"
"github.com/gorilla/mux"
)
// handles "/"
func indexHandler(w http.ResponseWriter, r *http.Request) {
pingAssets()
etag := fmt.Sprintf("%x", sha256.Sum256([]byte(staticCache.indexMod.String())))
// Take the hex-encoded sha256 sum of the index template's mod time
// to send as an ETag. If an error occurred when grabbing the file info,
// the ETag will be empty.
w.Header().Set("ETag", "\""+etag+"\"")
w.Header().Set("Content-Type", htmlutf8)
_, err := w.Write(staticCache.index)
if err != nil {
log500(w, r, err)
return
}
log200(r)
}
// handles "/api"
func apiBaseHandler(w http.ResponseWriter, r *http.Request) {
indexHandler(w, r)
}
// handles "/api/plain"
// maybe add json/xml support later
func apiFormatHandler(w http.ResponseWriter, r *http.Request) {
indexHandler(w, r)
}
func apiAllTweetsHandler(w http.ResponseWriter, r *http.Request) {
out, err := twtxtCache.QueryAllStatuses()
if err != nil {
log500(w, r, err)
}
data := parseQueryOut(out)
if err != nil {
data = []byte("")
}
etag := fmt.Sprintf("%x", sha256.Sum256(data))
w.Header().Set("ETag", etag)
w.Header().Set("Content-Type", txtutf8)
_, err = w.Write(data)
if err != nil {
log500(w, r, err)
return
}
log200(r)
}
// handles "/api/plain/(users|mentions|tweets)"
func apiEndpointHandler(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
log500(w, r, err)
return
}
if r.FormValue("q") != "" || r.FormValue("url") != "" {
err := apiEndpointQuery(w, r)
if err != nil {
log500(w, r, err)
return
}
log200(r)
return
}
page := 1
pageVal := r.FormValue("page")
if pageVal != "" {
page, err = strconv.Atoi(pageVal)
if err != nil || page == 0 {
page = 1
}
}
// if there's no query, return everything in
// registry for a given endpoint
var out []string
switch r.URL.Path {
case "/api/plain/users":
out, err = twtxtCache.QueryUser("")
out = registry.ReduceToPage(page, out)
case "/api/plain/mentions":
out, err = twtxtCache.QueryInStatus("@<")
out = registry.ReduceToPage(page, out)
default:
out, err = twtxtCache.QueryAllStatuses()
out = registry.ReduceToPage(page, out)
}
data := parseQueryOut(out)
if err != nil {
data = []byte("")
}
etag := fmt.Sprintf("%x", sha256.Sum256(data))
w.Header().Set("ETag", etag)
w.Header().Set("Content-Type", txtutf8)
_, err = w.Write(data)
if err != nil {
log500(w, r, err)
return
}
log200(r)
}
// handles POST for "/api/plain/users"
func apiEndpointPOSTHandler(w http.ResponseWriter, r *http.Request) {
apiPostUser(w, r)
}
// handles "/api/plain/tags"
func apiTagsBaseHandler(w http.ResponseWriter, r *http.Request) {
out, err := twtxtCache.QueryInStatus("#")
if err != nil {
log500(w, r, err)
return
}
out = registry.ReduceToPage(1, out)
data := parseQueryOut(out)
etag := fmt.Sprintf("%x", sha256.Sum256(data))
w.Header().Set("ETag", etag)
w.Header().Set("Content-Type", txtutf8)
_, err = w.Write(data)
if err != nil {
log500(w, r, err)
return
}
log200(r)
}
// handles "/api/plain/tags/[a-zA-Z0-9]+"
func apiTagsHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
tags := vars["tags"]
out := compositeStatusQuery("#"+tags, r)
out = registry.ReduceToPage(1, out)
data := parseQueryOut(out)
etag := fmt.Sprintf("%x", sha256.Sum256(data))
w.Header().Set("ETag", etag)
w.Header().Set("Content-Type", txtutf8)
_, err := w.Write(data)
if err != nil {
log500(w, r, err)
return
}
log200(r)
}
// Serving the stylesheet virtually because
// files aren't served directly in getwtxt.
func cssHandler(w http.ResponseWriter, r *http.Request) {
// Sending the sha256 sum of the modtime in hexadecimal for the ETag header
etag := fmt.Sprintf("%x", sha256.Sum256([]byte(staticCache.cssMod.String())))
w.Header().Set("ETag", "\""+etag+"\"")
w.Header().Set("Content-Type", cssutf8)
pingAssets()
n, err := w.Write(staticCache.css)
if err != nil || n == 0 {
log500(w, r, err)
return
}
log200(r)
}
|