commit b58d6eed2447e851d0e5040986fb446990e0e607
Author: woon <woonsunkan@gmail.com>
Date:   Sat Mar 11 15:40:46 2023 +0800

    first commit

diff --git a/.env copy b/.env copy
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--- /dev/null
+++ b/.env copy	
@@ -0,0 +1,2 @@
+FILE_PATH=./data
+PORT=1112
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diff --git a/.gitignore b/.gitignore
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index 0000000..c06317a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env
+/data
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diff --git a/app.service.example b/app.service.example
new file mode 100644
index 0000000..7e9c96b
--- /dev/null
+++ b/app.service.example
@@ -0,0 +1,14 @@
+[Unit]
+Description=go Application
+After=network.target
+
+[Service]
+User=appruner
+WorkingDirectory=APP_PATH
+ExecStart=APP_PATH/app
+StandardOutput=file:APP_PATH/app.out
+StandardError=file:APP_PATH/app.err
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
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diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..c6f6d96
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# 判断 app 用户是否存在
+if id "appruner" >/dev/null 2>&1; then
+  echo "User appruner exists."
+else
+  # 创建 app 用户
+  echo "Creating user appruner..."
+  useradd -m -s /bin/bash appruner
+fi
+
+
+# 获取当前目录的绝对路径
+app_path=$(cd "$(dirname "$0")"; pwd)
+app_name=$(basename "${app_path}")
+
+# 执行 git pull 命令
+cd ${app_path} && git pull
+
+# 执行 go build 命令
+cd ${app_path} && go build -o app
+
+cp app.service.example ${app_name}.service
+
+# 替换 app.service 文件中的 APP_PATH
+sed -i "s|APP_PATH|${app_path}|g" ${app_name}.service
+
+mv ${app_name}.service /etc/systemd/system/${app_name}.service
+
+# 重新加载 systemd 配置文件
+systemctl daemon-reload
+
+# 重新启动应用程序服务
+systemctl stop ${app_name}.service
+systemctl start ${app_name}.service
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diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..493eba6
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module gin-file
+
+go 1.20
+
+require github.com/joho/godotenv v1.5.1 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..d61b19e
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..04c0fcb
--- /dev/null
+++ b/main.go
@@ -0,0 +1,114 @@
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/joho/godotenv"
+)
+
+// 定义静态文件根目录
+var rootPath string
+
+// FileInfo 包含文件的元数据信息
+type FileInfo struct {
+	Name  string
+	Size  string
+	IsDir bool
+	Href  string
+}
+
+func main() {
+	err := godotenv.Load()
+	if err != nil {
+		fmt.Println("Error loading .env file")
+		return
+	}
+	rootPath = os.Getenv("FILE_PATH")
+
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		dir := r.URL.Path[1:]
+
+		dir = rootPath + "/" + dir
+
+		dir = strings.Replace(dir, "\\", "/", -1)
+
+		fileInfo, err := os.Stat(dir)
+
+		if err != nil {
+			//fmt.Println("File does not exist")
+		} else if fileInfo.Mode().IsRegular() {
+			file, _ := os.Open(dir)
+			defer file.Close()
+			http.ServeContent(w, r, fileInfo.Name(), fileInfo.ModTime(), file)
+		} else {
+			fileInfos, err := listDir(dir)
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+
+			tmpl, err := template.ParseFiles("templates/index.html")
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+			tmpl.Execute(w, fileInfos)
+		}
+
+	})
+
+	http.ListenAndServe(":"+os.Getenv("PORT"), nil)
+}
+
+func listDir(dir string) ([]FileInfo, error) {
+	file, err := os.Open(dir)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	names, err := file.Readdirnames(-1)
+	if err != nil {
+		return nil, err
+	}
+
+	var fileInfos []FileInfo
+	for _, name := range names {
+		fileInfo, err := os.Stat(filepath.Join(dir, name))
+		if err != nil {
+			return nil, err
+		}
+
+		Href := filepath.Join(dir, name)
+		Href = strings.Replace(Href, filepath.Join(rootPath), "", -1)
+
+		size := fileInfo.Size()
+		formattedSize := formatFileSize(size)
+
+		fileInfos = append(fileInfos, FileInfo{
+			Name:  name,
+			Size:  formattedSize,
+			IsDir: fileInfo.IsDir(),
+			Href:  Href,
+		})
+	}
+	return fileInfos, nil
+}
+
+func formatFileSize(size int64) string {
+	units := []string{"B", "KB", "MB", "GB"}
+	var unitIndex int
+	var fileSize float64
+	for size > 1024 && unitIndex < len(units)-1 {
+		fileSize = float64(size) / 1024
+		size = size / 1024
+		unitIndex++
+	}
+	fileSize = float64(size)
+	return fmt.Sprintf("%.2f %s", fileSize, units[unitIndex])
+}
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..a47b044
--- /dev/null
+++ b/templates/index.html
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+<html>
+<head>
+  <title>File Browser</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+</head>
+<body>
+  <table>
+    <tr>
+      <th>Name</th>
+      <th>Size</th>
+    </tr>
+    {{range .}}
+    <tr>
+      {{if .IsDir}}
+      <td><a href="/{{.Href}}">/{{.Name}}</a></td>
+      {{else}}
+      <td><a href="/{{.Href}}">{{.Name}}</a></td>
+      {{end}}
+      <td>{{.Size}}</td>
+    </tr>
+    {{end}}
+  </table>
+</body>
+</html>
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