implemented simple ssh dual control

pkg/api/v1/schema/schema.go

@@ -14,11 +14,13 @@ import (
 )
 
 const (
-	Version = "v1"
-	KeyName = "key"
-	ReqName = "req"
-	KeyPath = "/" + Version + "/" + KeyName
-	ReqPath = "/" + Version + "/" + ReqName
+	Version    = "v1"
+	KeyName    = "key"
+	ReqName    = "req"
+	KeyPath    = "/" + Version + "/" + KeyName
+	ReqPath    = "/" + Version + "/" + ReqName
+	SSH        = "ssh"
+	AccessPath = "/" + Version + "/" + SSH
 )
 
 type NewKey struct {
@@ -68,6 +70,10 @@ func ApproveURL(id, aid string) string {
 	return KeyPath + "/" + id + "/" + aid
 }
 
+func AccessURL(host, user, aid string) string {
+	return AccessPath + "/" + host + "/" + user + "/" + aid
+}
+
 type Key struct {
 	ID       string        `json:"id"`
 	Name     string        `json:"name"`
@@ -170,3 +176,47 @@ func NewApprovals(m types.ApprovalMap) (a Approvals) {
 	a.Sort()
 	return
 }
+
+type Access struct {
+	Host   string       `json:"host"`
+	User   string       `json:"user"`
+	AID    string       `json:"aid"`
+	IP     string       `json:"ip"`
+	Status types.Status `json:"status"`
+}
+
+type AccessList []Access
+
+func (AccessList) Less(a, b Access) int { return cmp.Compare(a.Host, b.Host) }
+func (a AccessList) Sort()              { slices.SortStableFunc(a, a.Less) }
+func (a AccessList) Len() int           { return len(a) }
+func (a AccessList) Fields() string {
+	return "Host\t User\t Approval ID\t IP\t Status"
+}
+func (a AccessList) Values() []string {
+	vals := make([]string, len(a))
+	for i, v := range a {
+		vals[i] = fmt.Sprintf("%s\t %s\t %s\t %s\t %s",
+			v.Host,
+			v.User,
+			v.AID,
+			v.IP,
+			v.Status,
+		)
+	}
+	return vals
+}
+
+func NewAccessList(m types.SSHMap) (a AccessList) {
+	for k, v := range m {
+		a = append(a, Access{
+			Host:   v.Host,
+			User:   v.User,
+			AID:    k,
+			IP:     v.IP,
+			Status: v.Status,
+		})
+	}
+	a.Sort()
+	return
+}