drone/cli/session/session.go

96 lines
2.1 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package session
import (
"encoding/json"
"errors"
"fmt"
"os"
"time"
)
var (
ErrTokenExpired = errors.New("token is expired, please login")
)
type Session struct {
path string
URI string `json:"uri"`
ExpiresAt int64 `json:"expires_at"`
AccessToken string `json:"access_token"`
}
// New creates a new session to be stores to the provided path.
func New(path string) Session {
return Session{
path: path,
}
}
// LoadFromPath loads an existing session from a file.
func LoadFromPath(path string) (Session, error) {
session := Session{
path: path,
}
data, err := os.ReadFile(path)
if err != nil {
return session, fmt.Errorf("failed to read session from file: %w", err)
}
if err = json.Unmarshal(data, &session); err != nil {
return session, fmt.Errorf("failed to deserialize session: %w", err)
}
if time.Now().Unix() > session.ExpiresAt {
return session, ErrTokenExpired
}
return session, nil
}
// Store stores an existing session to the default file.
func (s Session) Store() error {
data, err := json.Marshal(s)
if err != nil {
return fmt.Errorf("failed to serialize session: %w", err)
}
err = os.WriteFile(s.path, data, 0o600)
if err != nil {
return fmt.Errorf("failed to write session to file: %w", err)
}
return nil
}
func (s Session) SetURI(uri string) Session {
s.URI = uri
return s
}
func (s Session) SetExpiresAt(expiresAt int64) Session {
s.ExpiresAt = expiresAt
return s
}
func (s Session) SetAccessToken(token string) Session {
s.AccessToken = token
return s
}
func (s Session) Path() string {
return s.path
}