blob: 6506cfcf582882cfab7d64155e2212e70dcd988b (
plain) (
blame)
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
|
// TODO: реализовать кеширование JSON и почистить код
package app
import (
"crypto/sha1"
"encoding/hex"
"io"
"os"
"strings"
"sync"
"syscall"
"time"
)
type file struct {
Score int
Content []byte
}
var tempFS = make(map[[20]byte]*file)
var mx = &sync.RWMutex{}
func (s skunkyart) DownloadAndSendMedia(subdomain, path string) {
var url strings.Builder
url.WriteString("https://images-wixmp-")
url.WriteString(subdomain)
url.WriteString(".wixmp.com/")
url.WriteString(path)
url.WriteString("?token=")
url.WriteString(s.Args.Get("token"))
var response []byte
switch {
case CFG.Cache.Enabled:
fileName := sha1.Sum([]byte(subdomain + path))
filePath := CFG.Cache.Path + "/" + hex.EncodeToString(fileName[:])
mx.Lock()
if tempFS[fileName] == nil {
tempFS[fileName] = &file{}
}
f := *tempFS[fileName]
mx.Unlock()
if f.Content != nil {
f.Score += 2
} else {
file, err := os.Open(filePath)
if err != nil {
if dwnld := Download(url.String()); dwnld.Status == 200 && dwnld.Headers["Content-Type"][0][:5] == "image" {
f.Content = dwnld.Body
try(os.WriteFile(filePath, f.Content, 0700))
} else {
s.ReturnHTTPError(dwnld.Status)
return
}
} else {
file, e := io.ReadAll(file)
try(e)
f.Content = file
}
go func() {
defer restore()
for {
time.Sleep(1 * time.Minute)
mx.Lock()
if tempFS[fileName].Score <= 0 {
delete(tempFS, fileName)
mx.Unlock()
return
}
tempFS[fileName].Score--
mx.Unlock()
}
}()
}
mx.Lock()
tempFS[fileName] = &f
mx.Unlock()
response = f.Content
case CFG.Proxy:
dwnld := Download(url.String())
if dwnld.Status != 200 {
s.ReturnHTTPError(dwnld.Status)
return
}
response = dwnld.Body
default:
s.Writer.WriteHeader(403)
response = []byte("Sorry, butt proxy on this instance are disabled.")
}
s.Writer.Write(response)
}
func InitCacheSystem() {
c := &CFG.Cache
for {
dir, err := os.ReadDir(c.Path)
if err != nil {
if os.IsNotExist(err) {
os.Mkdir(c.Path, 0700)
continue
}
println(err.Error())
}
for _, file := range dir {
fileName := c.Path + "/" + file.Name()
fileInfo, err := file.Info()
try(err)
if c.Lifetime != "" {
now := time.Now().UnixMilli()
stat := fileInfo.Sys().(*syscall.Stat_t)
time := statTime(stat)
if time+lifetimeParsed <= now {
try(os.RemoveAll(fileName))
}
}
if c.MaxSize != 0 && fileInfo.Size() > c.MaxSize {
try(os.RemoveAll(fileName))
}
}
time.Sleep(time.Second * time.Duration(c.UpdateInterval))
}
}
|
