graphvent/user.go

87 lines
1.7 KiB
Go

package graphvent
import (
"time"
"fmt"
"encoding/json"
"crypto/ecdsa"
"crypto/x509"
)
type User struct {
Lockable
Granted time.Time
Pubkey *ecdsa.PublicKey
Shared []byte
Tags []string
}
type UserJSON struct {
LockableJSON
Granted time.Time `json:"granted"`
Pubkey []byte `json:"pubkey"`
Shared []byte `json:"shared"`
}
func (user *User) Type() NodeType {
return NodeType("user")
}
func (user *User) Serialize() ([]byte, error) {
lockable_json := NewLockableJSON(&user.Lockable)
pubkey, err := x509.MarshalPKIXPublicKey(user.Pubkey)
if err != nil {
return nil, err
}
return json.MarshalIndent(&UserJSON{
LockableJSON: lockable_json,
Granted: user.Granted,
Shared: user.Shared,
Pubkey: pubkey,
}, "", " ")
}
func LoadUser(ctx *Context, id NodeID, data []byte, nodes NodeMap) (Node, error) {
ctx.Log.Logf("test", "LOADING_USER: %s", id)
var j UserJSON
err := json.Unmarshal(data, &j)
if err != nil {
return nil, err
}
pub, err := x509.ParsePKIXPublicKey(j.Pubkey)
if err != nil {
return nil, err
}
var pubkey *ecdsa.PublicKey
switch pub.(type) {
case *ecdsa.PublicKey:
pubkey = pub.(*ecdsa.PublicKey)
default:
return nil, fmt.Errorf("Invalid key type")
}
user := NewUser(j.Name, j.Granted, pubkey, j.Shared)
nodes[id] = &user
err = RestoreLockable(ctx, &user.Lockable, j.LockableJSON, nodes)
if err != nil {
return nil, err
}
return &user, nil
}
func NewUser(name string, granted time.Time, pubkey *ecdsa.PublicKey, shared []byte) User {
id := KeyID(pubkey)
return User{
Lockable: NewLockable(id, name),
Granted: granted,
Pubkey: pubkey,
Shared: shared,
}
}