package server import ( "errors" "fmt" "log" "golang.org/x/crypto/bcrypt" "golang.org/x/net/context" "github.com/coreos/dex/api" "github.com/coreos/dex/storage" "github.com/coreos/dex/version" ) // apiVersion increases everytime a new call is added to the API. Clients should use this info // to determine if the server supports specific features. const apiVersion = 0 // NewAPI returns a server which implements the gRPC API interface. func NewAPI(s storage.Storage) api.DexServer { return dexAPI{s: s} } type dexAPI struct { s storage.Storage } func (d dexAPI) CreateClient(ctx context.Context, req *api.CreateClientReq) (*api.CreateClientResp, error) { if req.Client == nil { return nil, errors.New("no client supplied") } if req.Client.Id == "" { req.Client.Id = storage.NewID() } if req.Client.Secret == "" { req.Client.Secret = storage.NewID() + storage.NewID() } c := storage.Client{ ID: req.Client.Id, Secret: req.Client.Secret, RedirectURIs: req.Client.RedirectUris, TrustedPeers: req.Client.TrustedPeers, Public: req.Client.Public, Name: req.Client.Name, LogoURL: req.Client.LogoUrl, } if err := d.s.CreateClient(c); err != nil { log.Printf("api: failed to create client: %v", err) // TODO(ericchiang): Surface "already exists" errors. return nil, fmt.Errorf("create client: %v", err) } return &api.CreateClientResp{ Client: req.Client, }, nil } func (d dexAPI) DeleteClient(ctx context.Context, req *api.DeleteClientReq) (*api.DeleteClientResp, error) { err := d.s.DeleteClient(req.Id) if err != nil { if err == storage.ErrNotFound { return &api.DeleteClientResp{NotFound: true}, nil } log.Printf("api: failed to delete client: %v", err) return nil, fmt.Errorf("delete client: %v", err) } return &api.DeleteClientResp{}, nil } // checkCost returns an error if the hash provided does not meet minimum cost requirement func checkCost(hash []byte) error { actual, err := bcrypt.Cost(hash) if err != nil { return fmt.Errorf("parsing bcrypt hash: %v", err) } if actual < bcrypt.DefaultCost { return fmt.Errorf("given hash cost = %d, does not meet minimum cost requirement = %d", actual, bcrypt.DefaultCost) } return nil } func (d dexAPI) CreatePassword(ctx context.Context, req *api.CreatePasswordReq) (*api.CreatePasswordResp, error) { if req.Password == nil { return nil, errors.New("no password supplied") } if req.Password.UserId == "" { return nil, errors.New("no user ID supplied") } if req.Password.Hash != nil { if err := checkCost(req.Password.Hash); err != nil { return nil, err } } else { return nil, errors.New("no hash of password supplied") } p := storage.Password{ Email: req.Password.Email, Hash: req.Password.Hash, Username: req.Password.Username, UserID: req.Password.UserId, } if err := d.s.CreatePassword(p); err != nil { log.Printf("api: failed to create password: %v", err) return nil, fmt.Errorf("create password: %v", err) } return &api.CreatePasswordResp{}, nil } func (d dexAPI) UpdatePassword(ctx context.Context, req *api.UpdatePasswordReq) (*api.UpdatePasswordResp, error) { if req.Email == "" { return nil, errors.New("no email supplied") } if req.NewHash == nil && req.NewUsername == "" { return nil, errors.New("nothing to update") } if req.NewHash != nil { if err := checkCost(req.NewHash); err != nil { return nil, err } } updater := func(old storage.Password) (storage.Password, error) { if req.NewHash != nil { old.Hash = req.NewHash } if req.NewUsername != "" { old.Username = req.NewUsername } return old, nil } if err := d.s.UpdatePassword(req.Email, updater); err != nil { if err == storage.ErrNotFound { return &api.UpdatePasswordResp{NotFound: true}, nil } log.Printf("api: failed to update password: %v", err) return nil, fmt.Errorf("update password: %v", err) } return &api.UpdatePasswordResp{}, nil } func (d dexAPI) DeletePassword(ctx context.Context, req *api.DeletePasswordReq) (*api.DeletePasswordResp, error) { if req.Email == "" { return nil, errors.New("no email supplied") } err := d.s.DeletePassword(req.Email) if err != nil { if err == storage.ErrNotFound { return &api.DeletePasswordResp{NotFound: true}, nil } log.Printf("api: failed to delete password: %v", err) return nil, fmt.Errorf("delete password: %v", err) } return &api.DeletePasswordResp{}, nil } func (d dexAPI) GetVersion(ctx context.Context, req *api.VersionReq) (*api.VersionResp, error) { return &api.VersionResp{ Server: version.Version, Api: apiVersion, }, nil }