chore: upgrade dependencies

vendor/github.com/aws/aws-sdk-go-v2/internal/v4a/middleware.go

@@ -0,0 +1,105 @@
+package v4a
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+
+	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
+	v4 "github.com/aws/aws-sdk-go-v2/aws/signer/v4"
+	"github.com/aws/smithy-go/middleware"
+	smithyhttp "github.com/aws/smithy-go/transport/http"
+)
+
+// HTTPSigner is SigV4a HTTP signer implementation
+type HTTPSigner interface {
+	SignHTTP(ctx context.Context, credentials Credentials, r *http.Request, payloadHash string, service string, regionSet []string, signingTime time.Time, optfns ...func(*SignerOptions)) error
+}
+
+// SignHTTPRequestMiddlewareOptions is the middleware options for constructing a SignHTTPRequestMiddleware.
+type SignHTTPRequestMiddlewareOptions struct {
+	Credentials CredentialsProvider
+	Signer      HTTPSigner
+	LogSigning  bool
+}
+
+// SignHTTPRequestMiddleware is a middleware for signing an HTTP request using SigV4a.
+type SignHTTPRequestMiddleware struct {
+	credentials CredentialsProvider
+	signer      HTTPSigner
+	logSigning  bool
+}
+
+// NewSignHTTPRequestMiddleware constructs a SignHTTPRequestMiddleware using the given SignHTTPRequestMiddlewareOptions.
+func NewSignHTTPRequestMiddleware(options SignHTTPRequestMiddlewareOptions) *SignHTTPRequestMiddleware {
+	return &SignHTTPRequestMiddleware{
+		credentials: options.Credentials,
+		signer:      options.Signer,
+		logSigning:  options.LogSigning,
+	}
+}
+
+// ID the middleware identifier.
+func (s *SignHTTPRequestMiddleware) ID() string {
+	return "Signing"
+}
+
+// HandleFinalize signs an HTTP request using SigV4a.
+func (s *SignHTTPRequestMiddleware) HandleFinalize(
+	ctx context.Context, in middleware.FinalizeInput, next middleware.FinalizeHandler,
+) (
+	out middleware.FinalizeOutput, metadata middleware.Metadata, err error,
+) {
+	if !hasCredentialProvider(s.credentials) {
+		return next.HandleFinalize(ctx, in)
+	}
+
+	req, ok := in.Request.(*smithyhttp.Request)
+	if !ok {
+		return out, metadata, fmt.Errorf("unexpected request middleware type %T", in.Request)
+	}
+
+	signingName, signingRegion := awsmiddleware.GetSigningName(ctx), awsmiddleware.GetSigningRegion(ctx)
+	payloadHash := v4.GetPayloadHash(ctx)
+	if len(payloadHash) == 0 {
+		return out, metadata, &SigningError{Err: fmt.Errorf("computed payload hash missing from context")}
+	}
+
+	credentials, err := s.credentials.RetrievePrivateKey(ctx)
+	if err != nil {
+		return out, metadata, &SigningError{Err: fmt.Errorf("failed to retrieve credentials: %w", err)}
+	}
+
+	err = s.signer.SignHTTP(ctx, credentials, req.Request, payloadHash, signingName, []string{signingRegion}, time.Now().UTC(), func(o *SignerOptions) {
+		o.Logger = middleware.GetLogger(ctx)
+		o.LogSigning = s.logSigning
+	})
+	if err != nil {
+		return out, metadata, &SigningError{Err: fmt.Errorf("failed to sign http request, %w", err)}
+	}
+
+	return next.HandleFinalize(ctx, in)
+}
+
+func hasCredentialProvider(p CredentialsProvider) bool {
+	if p == nil {
+		return false
+	}
+
+	return true
+}
+
+// RegisterSigningMiddleware registers the SigV4a signing middleware to the stack. If a signing middleware is already
+// present, this provided middleware will be swapped. Otherwise the middleware will be added at the tail of the
+// finalize step.
+func RegisterSigningMiddleware(stack *middleware.Stack, signingMiddleware *SignHTTPRequestMiddleware) (err error) {
+	const signedID = "Signing"
+	_, present := stack.Finalize.Get(signedID)
+	if present {
+		_, err = stack.Finalize.Swap(signedID, signingMiddleware)
+	} else {
+		err = stack.Finalize.Add(signingMiddleware, middleware.After)
+	}
+	return err
+}