bndd/list.go

63 lines
1.2 KiB
Go

package main
import (
"encoding/json"
"log"
"net"
"os"
"path/filepath"
)
func list(conn net.Conn, instance string) error {
package_list := make(map[string]string)
packages_path, err := filepath.Abs(filepath.Join(instance, "apps"))
if err != nil {
return err
}
packages, err := os.ReadDir(packages_path)
if err != nil {
return err
}
for _, program := range packages {
if program.Type().IsDir() {
info_path, err := filepath.Abs(filepath.Join(packages_path, program.Name(), "boundaries.json"))
if err != nil {
log.Println(err)
continue
}
if exists, err := path_exists(info_path); exists && err == nil {
infofile_content, err := os.ReadFile(info_path)
if err != nil {
log.Println(err)
continue
}
var info map[string]interface{}
err = json.Unmarshal(infofile_content, &info)
if err != nil {
log.Println(err)
continue
}
version, has := info["version"]
if !has {
// setting a version is technically not required
version = ""
}
package_list[program.Name()] = version.(string)
}
}
}
data, err := json.Marshal(package_list)
if err != nil {
return err
}
conn.Write(data)
return nil
}