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An atproto PDS written in Go
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import ( "context" "time"
"github.com/golang-jwt/jwt/v4" "github.com/google/uuid" "github.com/haileyok/cocoon/models")
type Session struct { AccessToken string RefreshToken string}
func (s *Server) createSession(ctx context.Context, repo *models.Repo) (*Session, error) { now := time.Now() accexp := now.Add(3 * time.Hour) refexp := now.Add(7 * 24 * time.Hour) jti := uuid.NewString()
accessClaims := jwt.MapClaims{ "scope": "com.atproto.access", "aud": s.config.Did, "sub": repo.Did, "iat": now.UTC().Unix(), "exp": accexp.UTC().Unix(), "jti": jti, }
accessToken := jwt.NewWithClaims(jwt.SigningMethodES256, accessClaims) accessString, err := accessToken.SignedString(s.privateKey) if err != nil { return nil, err }
refreshClaims := jwt.MapClaims{ "scope": "com.atproto.refresh", "aud": s.config.Did, "sub": repo.Did, "iat": now.UTC().Unix(), "exp": refexp.UTC().Unix(), "jti": jti, }
refreshToken := jwt.NewWithClaims(jwt.SigningMethodES256, refreshClaims) refreshString, err := refreshToken.SignedString(s.privateKey) if err != nil { return nil, err }
if err := s.db.Create(ctx, &models.Token{ Token: accessString, Did: repo.Did, RefreshToken: refreshString, CreatedAt: now, ExpiresAt: accexp, }, nil).Error; err != nil { return nil, err }
if err := s.db.Create(ctx, &models.RefreshToken{ Token: refreshString, Did: repo.Did, CreatedAt: now, ExpiresAt: refexp, }, nil).Error; err != nil { return nil, err }
return &Session{ AccessToken: accessString, RefreshToken: refreshString, }, nil}