Golang Request.SignedHeaderVals方法代碼示例

func signSDKRequestWithCurrTime(req *request.Request, curTimeFn func() time.Time) {
	// If the request does not need to be signed ignore the signing of the
	// request if the AnonymousCredentials object is used.
	if req.Config.Credentials == credentials.AnonymousCredentials {
		return
	}

	region := req.ClientInfo.SigningRegion
	if region == "" {
		region = aws.StringValue(req.Config.Region)
	}

	name := req.ClientInfo.SigningName
	if name == "" {
		name = req.ClientInfo.ServiceName
	}

	v4 := NewSigner(req.Config.Credentials, func(v4 *Signer) {
		v4.Debug = req.Config.LogLevel.Value()
		v4.Logger = req.Config.Logger
		v4.DisableHeaderHoisting = req.NotHoist
		v4.currentTimeFn = curTimeFn
		if name == "s3" {
			// S3 service should not have any escaping applied
			v4.DisableURIPathEscaping = true
		}
		// Prevents setting the HTTPRequest's Body. Since the Body could be
		// wrapped in a custom io.Closer that we do not want to be stompped
		// on top of by the signer.
		v4.DisableRequestBodyOverwrite = true
	})

	signingTime := req.Time
	if !req.LastSignedAt.IsZero() {
		signingTime = req.LastSignedAt
	}

	signedHeaders, err := v4.signWithBody(req.HTTPRequest, req.GetBody(),
		name, region, req.ExpireTime, signingTime,
	)
	if err != nil {
		req.Error = err
		req.SignedHeaderVals = nil
		return
	}

	req.SignedHeaderVals = signedHeaders
	req.LastSignedAt = curTimeFn()
}

// SignSDKRequest signs an AWS request with the V4 signature. This
// request handler is bested used only with the SDK's built in service client's
// API operation requests.
//
// This function should not be used on its on its own, but in conjunction with
// an AWS service client's API operation call. To sign a standalone request
// not created by a service client's API operation method use the "Sign" or
// "Presign" functions of the "Signer" type.
//
// If the credentials of the request's config are set to
// credentials.AnonymousCredentials the request will not be signed.
func SignSDKRequest(req *request.Request) {
	// If the request does not need to be signed ignore the signing of the
	// request if the AnonymousCredentials object is used.
	if req.Config.Credentials == credentials.AnonymousCredentials {
		return
	}

	region := req.ClientInfo.SigningRegion
	if region == "" {
		region = aws.StringValue(req.Config.Region)
	}

	name := req.ClientInfo.SigningName
	if name == "" {
		name = req.ClientInfo.ServiceName
	}

	v4 := NewSigner(req.Config.Credentials, func(v4 *Signer) {
		v4.Debug = req.Config.LogLevel.Value()
		v4.Logger = req.Config.Logger
		v4.DisableHeaderHoisting = req.NotHoist
	})

	signedHeaders, err := v4.signWithBody(req.HTTPRequest, req.Body, name, region, req.ExpireTime, req.Time)
	req.SignedHeaderVals = signedHeaders
	req.Error = err
}

// Sign requests with signature version 4.
//
// Will sign the requests with the service config's Credentials object
// Signing is skipped if the credentials is the credentials.AnonymousCredentials
// object.
func Sign(req *request.Request) {
	// If the request does not need to be signed ignore the signing of the
	// request if the AnonymousCredentials object is used.
	if req.Config.Credentials == credentials.AnonymousCredentials {
		return
	}

	region := req.ClientInfo.SigningRegion
	if region == "" {
		region = aws.StringValue(req.Config.Region)
	}

	name := req.ClientInfo.SigningName
	if name == "" {
		name = req.ClientInfo.ServiceName
	}

	s := signer{
		Request:     req.HTTPRequest,
		Time:        req.Time,
		ExpireTime:  req.ExpireTime,
		Query:       req.HTTPRequest.URL.Query(),
		Body:        req.Body,
		ServiceName: name,
		Region:      region,
		Credentials: req.Config.Credentials,
		Debug:       req.Config.LogLevel.Value(),
		Logger:      req.Config.Logger,
		notHoist:    req.NotHoist,
	}

	req.Error = s.sign()
	req.SignedHeaderVals = s.signedHeaderVals
}

func signSDKRequestWithCurrTime(req *request.Request, curTimeFn func() time.Time) {
	// If the request does not need to be signed ignore the signing of the
	// request if the AnonymousCredentials object is used.
	if req.Config.Credentials == credentials.AnonymousCredentials {
		return
	}

	region := req.ClientInfo.SigningRegion
	if region == "" {
		region = aws.StringValue(req.Config.Region)
	}

	name := req.ClientInfo.SigningName
	if name == "" {
		name = req.ClientInfo.ServiceName
	}

	v4 := NewSigner(req.Config.Credentials, func(v4 *Signer) {
		v4.Debug = req.Config.LogLevel.Value()
		v4.Logger = req.Config.Logger
		v4.DisableHeaderHoisting = req.NotHoist
		v4.currentTimeFn = curTimeFn
	})

	signingTime := req.Time
	if !req.LastSignedAt.IsZero() {
		signingTime = req.LastSignedAt
	}

	signedHeaders, err := v4.signWithBody(req.HTTPRequest, req.GetBody(),
		name, region, req.ExpireTime, signingTime,
	)
	if err != nil {
		req.Error = err
		req.SignedHeaderVals = nil
		return
	}

	req.SignedHeaderVals = signedHeaders
	req.LastSignedAt = curTimeFn()
}