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Add beautiful HTML interface and update scripts #5

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2 changes: 1 addition & 1 deletion launch.sh
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
docker image build -t bs_build .
docker run -it -d -p 4000:4000/udp bs_build
docker run -it -d --restart=always -p 10903:4000/udp bs_build
84 changes: 74 additions & 10 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,13 +42,82 @@ func randString(n int) string {
return string(b)
}

const htmlTemplate = `
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>端口查询</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.container {
background: white;
border-radius: 20px;
padding: 40px 50px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
text-align: center;
max-width: 400px;
width: 90%;
}
.title {
font-size: 24px;
color: #333;
margin-bottom: 30px;
font-weight: 600;
}
.port-display {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
font-size: 48px;
font-weight: bold;
padding: 20px;
border-radius: 12px;
margin-bottom: 20px;
letter-spacing: 2px;
box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}
.label {
color: #888;
font-size: 14px;
margin-bottom: 8px;
}
.hint {
color: #aaa;
font-size: 12px;
margin-top: 20px;
}
</style>
</head>
<body>
<div class="container">
<div class="title">当前端口</div>
<div class="label">Port</div>
<div class="port-display">{{.Port}}</div>
<div class="hint">每分钟可更换一次端口</div>
</div>
</body>
</html>
`

func main() {
rand.Seed(time.Now().Unix())

secret = os.Getenv("GIN_SECRET")

if secret == "" {
// 随机生成字符串作为secret
secret = randString(32)
}

Expand All @@ -71,11 +140,13 @@ func main() {
return
}

ctx.JSON(http.StatusOK, fmt.Sprintf("current port is %v", matches[1]))
port := matches[1]
html := strings.Replace(htmlTemplate, "{{.Port}}", port, 1)
ctx.Header("Content-Type", "text/html; charset=utf-8")
ctx.String(http.StatusOK, html)
})

r.GET("/change-port", func(c *gin.Context) {
// 每分钟只能运行一次
if time.Now().Before(lastSuccessRunTime.Add(time.Minute)) {
c.JSON(http.StatusInternalServerError, "fuck you!!! you can only change the port once every minute!!")
return
Expand All @@ -88,27 +159,22 @@ func main() {
return
}

// 判断密码是否正确
if req.Secret != secret {
c.JSON(http.StatusInternalServerError, "fuck you!!! the secret is wrong!!")
return
}

// 读取模板文件
content, err := os.ReadFile("launch.sh.template")
if err != nil {
c.JSON(http.StatusInternalServerError, err.Error())
return
}
contentStr := string(content)

// 随机生成port
newPort := strconv.Itoa(10000 + rand.Intn(2000))

// 写入新的port到模板里
contentStr = strings.ReplaceAll(contentStr, "{{port}}", newPort)

// 写入到launch.sh
file, err := os.OpenFile("launch.sh", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0744)
_, err = file.WriteString(contentStr)
if err != nil {
Expand All @@ -128,7 +194,6 @@ func main() {
log.Printf("old container id: %s", containerID)

if containerID != "" {
// kill掉当前docker
cmd = exec.Command("docker", "kill", containerID)
output, err := cmd.CombinedOutput()
log.Printf("docker kill output: %s", output)
Expand All @@ -138,7 +203,6 @@ func main() {
}
}

// 重新启动docker
cmd = exec.Command("bash", "./launch.sh")
err = cmd.Run()
if err != nil {
Expand Down
2 changes: 1 addition & 1 deletion start_gin_server.sh
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
go build .
sudo setsid ./changeport > ginlog.txt 2>&1 &
setsid ./changeport > ginlog.txt 2>&1 &