117 lines
3.7 KiB
Go
117 lines
3.7 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package auth
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import (
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"context"
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"fmt"
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"net/http"
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"net/url"
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"time"
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)
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// TokenData holds the OAuth token set persisted to disk.
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type TokenData struct {
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AccessToken string `json:"access_token"`
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RefreshToken string `json:"refresh_token"`
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PersistentCode string `json:"persistent_code"`
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ExpiresAt time.Time `json:"expires_at"`
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RefreshExpAt time.Time `json:"refresh_expires_at"`
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CorpID string `json:"corp_id"`
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UserID string `json:"user_id,omitempty"`
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UserName string `json:"user_name,omitempty"`
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CorpName string `json:"corp_name,omitempty"`
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UpdatedAt string `json:"updated_at,omitempty"`
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Source string `json:"source,omitempty"`
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}
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// IsAccessTokenValid returns true if the access token has not expired.
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func (t *TokenData) IsAccessTokenValid() bool {
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if t == nil || t.AccessToken == "" {
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return false
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}
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// Give 5-minute buffer before actual expiry.
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return time.Now().Before(t.ExpiresAt.Add(-5 * time.Minute))
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}
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// IsRefreshTokenValid returns true if the refresh token has not expired.
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func (t *TokenData) IsRefreshTokenValid() bool {
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if t == nil || t.RefreshToken == "" {
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return false
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}
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return time.Now().Before(t.RefreshExpAt)
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}
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// HasPersistentCode returns true if a persistent code is available.
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func (t *TokenData) HasPersistentCode() bool {
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return t != nil && t.PersistentCode != ""
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}
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// SaveTokenData encrypts and saves TokenData to .data file.
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// Uses AES-256-GCM encryption with a key derived from device MAC address.
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func SaveTokenData(configDir string, data *TokenData) error {
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return SaveSecureTokenData(configDir, data)
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}
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// LoadTokenData reads TokenData from encrypted .data file.
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func LoadTokenData(configDir string) (*TokenData, error) {
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return LoadSecureTokenData(configDir)
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}
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// DeleteTokenData removes encrypted .data file from configDir.
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func DeleteTokenData(configDir string) error {
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return DeleteSecureData(configDir)
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}
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// RevokeTokenRemote calls the DingTalk logout endpoint to invalidate the access token.
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// This should be called before deleting local token data.
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// The function is best-effort: errors are returned but callers may choose to ignore them.
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func RevokeTokenRemote(ctx context.Context) error {
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logoutURL, err := url.Parse(LogoutURL)
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if err != nil {
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return fmt.Errorf("parsing logout URL: %w", err)
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}
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q := logoutURL.Query()
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q.Set("client_id", ClientID())
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q.Set("continue", LogoutContinueURL)
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logoutURL.RawQuery = q.Encode()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, logoutURL.String(), nil)
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if err != nil {
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return fmt.Errorf("creating logout request: %w", err)
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}
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client := &http.Client{
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Timeout: 10 * time.Second,
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// Do not follow redirects — we just need to hit the logout endpoint.
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CheckRedirect: func(req *http.Request, via []*http.Request) error {
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return http.ErrUseLastResponse
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},
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}
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resp, err := client.Do(req)
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if err != nil {
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return fmt.Errorf("calling logout endpoint: %w", err)
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}
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defer resp.Body.Close()
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// Accept 200 OK or 302 redirect as success.
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if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusFound {
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return fmt.Errorf("logout endpoint returned status %d", resp.StatusCode)
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}
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return nil
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}
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