forked from TrueCloudLab/lego
81 lines
2 KiB
Go
81 lines
2 KiB
Go
package protocol
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import (
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"io"
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"io/ioutil"
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"net/http"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/client/metadata"
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"github.com/aws/aws-sdk-go/aws/request"
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)
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// PayloadUnmarshaler provides the interface for unmarshaling a payload's
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// reader into a SDK shape.
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type PayloadUnmarshaler interface {
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UnmarshalPayload(io.Reader, interface{}) error
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}
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// HandlerPayloadUnmarshal implements the PayloadUnmarshaler from a
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// HandlerList. This provides the support for unmarshaling a payload reader to
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// a shape without needing a SDK request first.
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type HandlerPayloadUnmarshal struct {
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Unmarshalers request.HandlerList
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}
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// UnmarshalPayload unmarshals the io.Reader payload into the SDK shape using
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// the Unmarshalers HandlerList provided. Returns an error if unable
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// unmarshaling fails.
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func (h HandlerPayloadUnmarshal) UnmarshalPayload(r io.Reader, v interface{}) error {
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req := &request.Request{
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HTTPRequest: &http.Request{},
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HTTPResponse: &http.Response{
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StatusCode: 200,
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Header: http.Header{},
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Body: ioutil.NopCloser(r),
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},
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Data: v,
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}
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h.Unmarshalers.Run(req)
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return req.Error
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}
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// PayloadMarshaler provides the interface for marshaling a SDK shape into and
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// io.Writer.
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type PayloadMarshaler interface {
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MarshalPayload(io.Writer, interface{}) error
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}
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// HandlerPayloadMarshal implements the PayloadMarshaler from a HandlerList.
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// This provides support for marshaling a SDK shape into an io.Writer without
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// needing a SDK request first.
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type HandlerPayloadMarshal struct {
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Marshalers request.HandlerList
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}
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// MarshalPayload marshals the SDK shape into the io.Writer using the
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// Marshalers HandlerList provided. Returns an error if unable if marshal
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// fails.
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func (h HandlerPayloadMarshal) MarshalPayload(w io.Writer, v interface{}) error {
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req := request.New(
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aws.Config{},
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metadata.ClientInfo{},
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request.Handlers{},
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nil,
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&request.Operation{HTTPMethod: "GET"},
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v,
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nil,
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)
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h.Marshalers.Run(req)
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if req.Error != nil {
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return req.Error
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}
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io.Copy(w, req.GetBody())
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return nil
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}
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