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package store
import (
"database/sql"
"time"
"golang.org/x/oauth2"
)
// GetOAuthToken returns the stored token for a source (e.g. "google_tasks"),
// or nil if none has been saved yet (integration not connected).
func (s *Store) GetOAuthToken(source string) (*oauth2.Token, error) {
var accessToken, refreshToken, tokenType string
var expiry sql.NullTime
err := s.db.QueryRow(`
SELECT access_token, refresh_token, token_type, expiry FROM oauth_tokens WHERE source = ?
`, source).Scan(&accessToken, &refreshToken, &tokenType, &expiry)
if err == sql.ErrNoRows {
return nil, nil
}
if err != nil {
return nil, err
}
tok := &oauth2.Token{
AccessToken: accessToken,
RefreshToken: refreshToken,
TokenType: tokenType,
}
if expiry.Valid {
tok.Expiry = expiry.Time
}
return tok, nil
}
// SaveOAuthToken upserts the token for a source. A refreshed token from
// oauth2.TokenSource sometimes omits RefreshToken (Google only returns it
// on the initial grant) -- callers must pass the original refresh token
// through if the new one is empty, since ON CONFLICT here always
// overwrites rather than preserving the old value.
func (s *Store) SaveOAuthToken(source string, tok *oauth2.Token) error {
var expiry *time.Time
if !tok.Expiry.IsZero() {
expiry = &tok.Expiry
}
_, err := s.db.Exec(`
INSERT INTO oauth_tokens (source, access_token, refresh_token, token_type, expiry, updated_at)
VALUES (?, ?, ?, ?, ?, CURRENT_TIMESTAMP)
ON CONFLICT(source) DO UPDATE SET
access_token = excluded.access_token,
refresh_token = excluded.refresh_token,
token_type = excluded.token_type,
expiry = excluded.expiry,
updated_at = CURRENT_TIMESTAMP
`, source, tok.AccessToken, tok.RefreshToken, tok.TokenType, expiry)
return err
}
// DeleteOAuthToken removes a source's stored token (disconnect).
func (s *Store) DeleteOAuthToken(source string) error {
_, err := s.db.Exec(`DELETE FROM oauth_tokens WHERE source = ?`, source)
return err
}
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