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Address review remarks

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This commit is contained in:
Herman Slatman
2024-01-11 11:06:39 +01:00
parent de25740567
commit 70a2f431fa
7 changed files with 42 additions and 47 deletions
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16
acme/api/order.go
View File

@@ -10,18 +10,16 @@ import (
"strings"
"time"
"go.step.sm/crypto/kms/uri"
"github.com/go-chi/chi/v5"
"go.step.sm/crypto/randutil"
"go.step.sm/crypto/x509util"
"github.com/smallstep/certificates/acme"
"github.com/smallstep/certificates/acme/wire"
"github.com/smallstep/certificates/api/render"
"github.com/smallstep/certificates/authority/policy"
"github.com/smallstep/certificates/authority/provisioner"
"github.com/smallstep/certificates/wire"
)
// NewOrderRequest represents the body for a NewOrder request.
@@ -52,16 +50,12 @@ func (n *NewOrderRequest) Validate() error {
return acme.NewError(acme.ErrorMalformedType, "permanent identifier cannot be empty")
}
case acme.WireID:
orderValue, err := wire.ParseID([]byte(id.Value))
wireID, err := wire.ParseID([]byte(id.Value))
if err != nil {
return acme.NewError(acme.ErrorMalformedType, "ID cannot be parsed")
return acme.WrapError(acme.ErrorMalformedType, err, "failed parsing Wire ID")
}
clientIDURI, err := uri.Parse(orderValue.ClientID)
if err != nil {
return acme.NewError(acme.ErrorMalformedType, "invalid client ID, it's supposed to be a valid URI")
}
if clientIDURI.Scheme != "wireapp" {
return acme.NewError(acme.ErrorMalformedType, "invalid client ID scheme")
if _, err = wire.ParseClientID(wireID.ClientID); err != nil {
return acme.WrapError(acme.ErrorMalformedType, err, "invalid Wire client ID %q", wireID.ClientID)
}
default:
return acme.NewError(acme.ErrorMalformedType, "identifier type unsupported: %s", id.Type)

54
acme/challenge.go
View File

@@ -36,10 +36,9 @@ import (
"go.step.sm/crypto/pemutil"
"go.step.sm/crypto/x509util"
"golang.org/x/exp/slices"
"gopkg.in/square/go-jose.v2/jwt"
"github.com/smallstep/certificates/acme/wire"
"github.com/smallstep/certificates/authority/provisioner"
"github.com/smallstep/certificates/wire"
)
type ChallengeType string
@@ -390,8 +389,7 @@ func wireOIDC01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
GivenName string `json:"given_name,omitempty"`
KeyAuth string `json:"keyauth"` // TODO(hs): use this property instead of the one in the payload after https://github.com/wireapp/rusty-jwt-tools/tree/fix/keyauth is done
}
err = idToken.Claims(&claims)
if err != nil {
if err = idToken.Claims(&claims); err != nil {
return storeError(ctx, db, ch, false, WrapError(ErrorRejectedIdentifierType, err,
"error retrieving claims from ID token"))
}
@@ -423,28 +421,26 @@ func wireOIDC01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
return WrapErrorISE(err, "error updating challenge")
}
parsedIDToken, err := jwt.ParseSigned(wireChallengePayload.IDToken)
parsedIDToken, err := jose.ParseSigned(wireChallengePayload.IDToken)
if err != nil {
return WrapErrorISE(err, "Invalid OIDC id token")
return WrapErrorISE(err, "invalid OIDC ID token")
}
oidcToken := make(map[string]interface{})
if err := parsedIDToken.UnsafeClaimsWithoutVerification(&oidcToken); err != nil {
return WrapErrorISE(err, "Failed parsing OIDC id token")
return WrapErrorISE(err, "failed parsing OIDC id token")
}
orders, err := db.GetAllOrdersByAccountID(ctx, ch.AccountID)
if err != nil {
return WrapErrorISE(err, "Could not find current order by account id")
return WrapErrorISE(err, "could not find current order by account id")
}
if len(orders) == 0 {
return WrapErrorISE(err, "There are not enough orders for this account for this custom OIDC challenge")
return NewErrorISE("there are not enough orders for this account for this custom OIDC challenge")
}
order := orders[len(orders)-1]
if err := db.CreateOidcToken(ctx, order, oidcToken); err != nil {
return WrapErrorISE(err, "Failed storing OIDC id token")
return WrapErrorISE(err, "failed storing OIDC id token")
}
return nil
@@ -456,19 +452,17 @@ func wireDPOP01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
return NewErrorISE("missing provisioner")
}
rawKid, thumbprintErr := jwk.Thumbprint(crypto.SHA256)
if thumbprintErr != nil {
return storeError(ctx, db, ch, false, WrapError(ErrorServerInternalType, thumbprintErr, "failed to compute JWK thumbprint"))
rawKid, err := jwk.Thumbprint(crypto.SHA256)
if err != nil {
return storeError(ctx, db, ch, false, WrapError(ErrorServerInternalType, err, "failed to compute JWK thumbprint"))
}
kid := base64.RawURLEncoding.EncodeToString(rawKid)
dpopOptions := prov.GetOptions().GetDPOPOptions()
key := dpopOptions.GetSigningKey()
var wireChallengePayload WireChallengePayload
err := json.Unmarshal(payload, &wireChallengePayload)
if err != nil {
if err := json.Unmarshal(payload, &wireChallengePayload); err != nil {
return storeError(ctx, db, ch, false, WrapError(ErrorRejectedIdentifierType, err,
"error unmarshalling Wire challenge payload"))
}
@@ -485,7 +479,7 @@ func wireDPOP01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
n, err := file.Write(buf.Bytes())
if err != nil {
return WrapErrorISE(err, "Failed writing signature key to temp file")
return WrapErrorISE(err, "failed writing signature key to temp file")
}
if n != buf.Len() {
return WrapErrorISE(err, "expected to write %d characters to the key file, got %d", buf.Len(), n)
@@ -503,7 +497,7 @@ func wireDPOP01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
issuer, err := dpopOptions.GetTarget(clientID.DeviceID)
if err != nil {
return WrapErrorISE(err, "Invalid Go template registered for 'target'")
return WrapErrorISE(err, "invalid Go template registered for 'target'")
}
expiry := strconv.FormatInt(time.Now().Add(time.Hour*24*365).Unix(), 10)
@@ -565,42 +559,42 @@ func wireDPOP01Validate(ctx context.Context, ch *Challenge, db DB, jwk *jose.JSO
return WrapErrorISE(err, "error updating challenge")
}
parsedAccessToken, err := jwt.ParseSigned(wireChallengePayload.AccessToken)
parsedAccessToken, err := jose.ParseSigned(wireChallengePayload.AccessToken)
if err != nil {
return WrapErrorISE(err, "Invalid access token")
return WrapErrorISE(err, "invalid access token")
}
access := make(map[string]interface{})
if err := parsedAccessToken.UnsafeClaimsWithoutVerification(&access); err != nil {
return WrapErrorISE(err, "Failed parsing access token")
return WrapErrorISE(err, "failed parsing access token")
}
rawDpop, ok := access["proof"].(string)
if !ok {
return WrapErrorISE(err, "Invalid dpop proof format in access token")
return WrapErrorISE(err, "invalid dpop proof format in access token")
}
parsedDpopToken, err := jwt.ParseSigned(rawDpop)
parsedDpopToken, err := jose.ParseSigned(rawDpop)
if err != nil {
return WrapErrorISE(err, "Invalid DPoP token")
return WrapErrorISE(err, "invalid DPoP token")
}
dpop := make(map[string]interface{})
if err := parsedDpopToken.UnsafeClaimsWithoutVerification(&dpop); err != nil {
return WrapErrorISE(err, "Failed parsing dpop token")
return WrapErrorISE(err, "failed parsing dpop token")
}
orders, err := db.GetAllOrdersByAccountID(ctx, ch.AccountID)
if err != nil {
return WrapErrorISE(err, "Could not find current order by account id")
return WrapErrorISE(err, "could not find current order by account id")
}
if len(orders) == 0 {
return WrapErrorISE(err, "There are not enough orders for this account for this custom OIDC challenge")
return WrapErrorISE(err, "there are not enough orders for this account for this custom OIDC challenge")
}
order := orders[len(orders)-1]
if err := db.CreateDpopToken(ctx, order, dpop); err != nil {
return WrapErrorISE(err, "Failed storing DPoP token")
return WrapErrorISE(err, "failed storing DPoP token")
}
return nil

3
acme/db.go
View File

@@ -52,9 +52,10 @@ type DB interface {
CreateOrder(ctx context.Context, o *Order) error
GetOrder(ctx context.Context, id string) (*Order, error)
GetOrdersByAccountID(ctx context.Context, accountID string) ([]string, error)
GetAllOrdersByAccountID(ctx context.Context, accountID string) ([]string, error)
UpdateOrder(ctx context.Context, o *Order) error
// TODO(hs): put in a different interface
GetAllOrdersByAccountID(ctx context.Context, accountID string) ([]string, error)
CreateDpopToken(ctx context.Context, orderID string, dpop map[string]interface{}) error
GetDpopToken(ctx context.Context, orderID string) (map[string]interface{}, error)
CreateOidcToken(ctx context.Context, orderID string, idToken map[string]interface{}) error

2
acme/order.go
View File

@@ -17,8 +17,8 @@ import (
"go.step.sm/crypto/keyutil"
"go.step.sm/crypto/x509util"
"github.com/smallstep/certificates/acme/wire"
"github.com/smallstep/certificates/authority/provisioner"
"github.com/smallstep/certificates/wire"
)
type IdentifierType string

9
wire/id.go → acme/wire/id.go
View File

@@ -21,6 +21,7 @@ func ParseID(data []byte) (wireID ID, err error) {
}
type ClientID struct {
Scheme string
Username string
DeviceID string
Domain string
@@ -34,14 +35,18 @@ type ClientID struct {
func ParseClientID(clientID string) (ClientID, error) {
clientIDURI, err := uri.Parse(clientID)
if err != nil {
return ClientID{}, fmt.Errorf("invalid clientID URI %q: %w", clientID, err)
return ClientID{}, fmt.Errorf("invalid Wire client ID URI %q: %w", clientID, err)
}
if clientIDURI.Scheme != "wireapp" {
return ClientID{}, fmt.Errorf("invalid Wire client ID scheme %q; expected \"wireapp\"", clientIDURI.Scheme)
}
fullUsername := clientIDURI.User.Username()
parts := strings.SplitN(fullUsername, "!", 2)
if len(parts) != 2 {
return ClientID{}, fmt.Errorf("invalid clientID %q", fullUsername)
return ClientID{}, fmt.Errorf("invalid Wire client ID username %q", fullUsername)
}
return ClientID{
Scheme: clientIDURI.Scheme,
Username: parts[0],
DeviceID: parts[1],
Domain: clientIDURI.Host,

3
authority/provisioner/acme.go
View File

@@ -10,8 +10,9 @@ import (
"time"
"github.com/pkg/errors"
"github.com/smallstep/certificates/wire"
"go.step.sm/linkedca"
"github.com/smallstep/certificates/acme/wire"
)
// ACMEChallenge represents the supported acme challenges.

2
go.mod
View File

@@ -148,6 +148,6 @@ require (
google.golang.org/genproto/googleapis/api v0.0.0-20231211222908-989df2bf70f3 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0 // indirect
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
gopkg.in/square/go-jose.v2 v2.6.0
gopkg.in/square/go-jose.v2 v2.6.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect; indirects
)