mirror of https://github.com/tidwall/tile38.git
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
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package protocol
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import (
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"fmt"
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"strings"
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"github.com/aws/aws-sdk-go/aws/awserr"
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"github.com/aws/aws-sdk-go/aws/request"
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)
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// RequireHTTPMinProtocol request handler is used to enforce that
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// the target endpoint supports the given major and minor HTTP protocol version.
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type RequireHTTPMinProtocol struct {
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Major, Minor int
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}
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// Handler will mark the request.Request with an error if the
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// target endpoint did not connect with the required HTTP protocol
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// major and minor version.
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func (p RequireHTTPMinProtocol) Handler(r *request.Request) {
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if r.Error != nil || r.HTTPResponse == nil {
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return
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}
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if !strings.HasPrefix(r.HTTPResponse.Proto, "HTTP") {
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r.Error = newMinHTTPProtoError(p.Major, p.Minor, r)
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}
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if r.HTTPResponse.ProtoMajor < p.Major || r.HTTPResponse.ProtoMinor < p.Minor {
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r.Error = newMinHTTPProtoError(p.Major, p.Minor, r)
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}
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}
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// ErrCodeMinimumHTTPProtocolError error code is returned when the target endpoint
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// did not match the required HTTP major and minor protocol version.
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const ErrCodeMinimumHTTPProtocolError = "MinimumHTTPProtocolError"
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func newMinHTTPProtoError(major, minor int, r *request.Request) error {
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return awserr.NewRequestFailure(
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awserr.New("MinimumHTTPProtocolError",
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fmt.Sprintf(
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"operation requires minimum HTTP protocol of HTTP/%d.%d, but was %s",
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major, minor, r.HTTPResponse.Proto,
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),
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nil,
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),
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r.HTTPResponse.StatusCode, r.RequestID,
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)
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}
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