package api import ( "encoding/json" "errors" "net/http" "github.com/go-chi/chi" "github.com/smallstep/certificates/acme" "github.com/smallstep/certificates/api/render" "github.com/smallstep/certificates/logging" ) // NewAccountRequest represents the payload for a new account request. type NewAccountRequest struct { Contact []string `json:"contact"` OnlyReturnExisting bool `json:"onlyReturnExisting"` TermsOfServiceAgreed bool `json:"termsOfServiceAgreed"` ExternalAccountBinding *ExternalAccountBinding `json:"externalAccountBinding,omitempty"` } func validateContacts(cs []string) error { for _, c := range cs { if c == "" { return acme.NewError(acme.ErrorMalformedType, "contact cannot be empty string") } } return nil } // Validate validates a new-account request body. func (n *NewAccountRequest) Validate() error { if n.OnlyReturnExisting && len(n.Contact) > 0 { return acme.NewError(acme.ErrorMalformedType, "incompatible input; onlyReturnExisting must be alone") } return validateContacts(n.Contact) } // UpdateAccountRequest represents an update-account request. type UpdateAccountRequest struct { Contact []string `json:"contact"` Status acme.Status `json:"status"` } // Validate validates a update-account request body. func (u *UpdateAccountRequest) Validate() error { switch { case len(u.Status) > 0 && len(u.Contact) > 0: return acme.NewError(acme.ErrorMalformedType, "incompatible input; contact and "+ "status updates are mutually exclusive") case len(u.Contact) > 0: if err := validateContacts(u.Contact); err != nil { return err } return nil case len(u.Status) > 0: if u.Status != acme.StatusDeactivated { return acme.NewError(acme.ErrorMalformedType, "cannot update account "+ "status to %s, only deactivated", u.Status) } return nil default: // According to the ACME spec (https://tools.ietf.org/html/rfc8555#section-7.3.2) // accountUpdate should ignore any fields not recognized by the server. return nil } } // NewAccount is the handler resource for creating new ACME accounts. func NewAccount(w http.ResponseWriter, r *http.Request) { ctx := r.Context() db := acme.MustDatabaseFromContext(ctx) linker := acme.MustLinkerFromContext(ctx) payload, err := payloadFromContext(ctx) if err != nil { render.Error(w, err) return } var nar NewAccountRequest if err := json.Unmarshal(payload.value, &nar); err != nil { render.Error(w, acme.WrapError(acme.ErrorMalformedType, err, "failed to unmarshal new-account request payload")) return } if err := nar.Validate(); err != nil { render.Error(w, err) return } prov, err := acmeProvisionerFromContext(ctx) if err != nil { render.Error(w, err) return } httpStatus := http.StatusCreated acc, err := accountFromContext(ctx) if err != nil { var acmeErr *acme.Error if !errors.As(err, &acmeErr) || acmeErr.Status != http.StatusBadRequest { // Something went wrong ... render.Error(w, err) return } // Account does not exist // if nar.OnlyReturnExisting { render.Error(w, acme.NewError(acme.ErrorAccountDoesNotExistType, "account does not exist")) return } jwk, err := jwkFromContext(ctx) if err != nil { render.Error(w, err) return } eak, err := validateExternalAccountBinding(ctx, &nar) if err != nil { render.Error(w, err) return } acc = &acme.Account{ Key: jwk, Contact: nar.Contact, Status: acme.StatusValid, } if err := db.CreateAccount(ctx, acc); err != nil { render.Error(w, acme.WrapErrorISE(err, "error creating account")) return } if eak != nil { // means that we have a (valid) External Account Binding key that should be bound, updated and sent in the response if err := eak.BindTo(acc); err != nil { render.Error(w, err) return } if err := db.UpdateExternalAccountKey(ctx, prov.ID, eak); err != nil { render.Error(w, acme.WrapErrorISE(err, "error updating external account binding key")) return } acc.ExternalAccountBinding = nar.ExternalAccountBinding } } else { // Account exists httpStatus = http.StatusOK } linker.LinkAccount(ctx, acc) w.Header().Set("Location", linker.GetLink(r.Context(), acme.AccountLinkType, acc.ID)) render.JSONStatus(w, acc, httpStatus) } // GetOrUpdateAccount is the api for updating an ACME account. func GetOrUpdateAccount(w http.ResponseWriter, r *http.Request) { ctx := r.Context() db := acme.MustDatabaseFromContext(ctx) linker := acme.MustLinkerFromContext(ctx) acc, err := accountFromContext(ctx) if err != nil { render.Error(w, err) return } payload, err := payloadFromContext(ctx) if err != nil { render.Error(w, err) return } // If PostAsGet just respond with the account, otherwise process like a // normal Post request. if !payload.isPostAsGet { var uar UpdateAccountRequest if err := json.Unmarshal(payload.value, &uar); err != nil { render.Error(w, acme.WrapError(acme.ErrorMalformedType, err, "failed to unmarshal new-account request payload")) return } if err := uar.Validate(); err != nil { render.Error(w, err) return } if len(uar.Status) > 0 || len(uar.Contact) > 0 { if len(uar.Status) > 0 { acc.Status = uar.Status } else if len(uar.Contact) > 0 { acc.Contact = uar.Contact } if err := db.UpdateAccount(ctx, acc); err != nil { render.Error(w, acme.WrapErrorISE(err, "error updating account")) return } } } linker.LinkAccount(ctx, acc) w.Header().Set("Location", linker.GetLink(ctx, acme.AccountLinkType, acc.ID)) render.JSON(w, acc) } func logOrdersByAccount(w http.ResponseWriter, oids []string) { if rl, ok := w.(logging.ResponseLogger); ok { m := map[string]interface{}{ "orders": oids, } rl.WithFields(m) } } // GetOrdersByAccountID ACME api for retrieving the list of order urls belonging to an account. func GetOrdersByAccountID(w http.ResponseWriter, r *http.Request) { ctx := r.Context() db := acme.MustDatabaseFromContext(ctx) linker := acme.MustLinkerFromContext(ctx) acc, err := accountFromContext(ctx) if err != nil { render.Error(w, err) return } accID := chi.URLParam(r, "accID") if acc.ID != accID { render.Error(w, acme.NewError(acme.ErrorUnauthorizedType, "account ID '%s' does not match url param '%s'", acc.ID, accID)) return } orders, err := db.GetOrdersByAccountID(ctx, acc.ID) if err != nil { render.Error(w, err) return } linker.LinkOrdersByAccountID(ctx, orders) render.JSON(w, orders) logOrdersByAccount(w, orders) }