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package main
import (
"fmt"
"os/exec"
"strings"
)
// Users handles the /<format>/users endpoint.
// Responds with information on the system's users.
func usersQuery(format string) ([]byte, error) {
ls, err := exec.Command("/bin/ls", "/home").Output()
if err != nil {
return nil, fmt.Errorf("Users Query: %w", err)
}
users := strings.Fields(string(ls))
if format == "plain" {
var out []string
for _, e := range users {
if strings.HasPrefix(e, ".") || strings.HasPrefix(e, "_") {
continue
}
out = append(out, e)
}
outstring := strings.Join(out, "\n")
outstring += "\n"
return []byte(outstring), nil
}
out := `{
"users": [
`
for i, e := range users {
if strings.HasPrefix(e, ".") || strings.HasPrefix(e, "_") {
continue
}
out = fmt.Sprintf("%s\t\t\"%s\"", out, e)
if i < len(users)-1 {
out = fmt.Sprintf("%s,\n", out)
} else {
out = fmt.Sprintf("%s\n", out)
}
}
out = fmt.Sprintf("%s\t]\n}\n", out)
return []byte(out), nil
}
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