micro/util/ctx/ctx.go

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package ctx
import (
"context"
"net/http"
"net/textproto"
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"strings"
"github.com/micro/go-micro/v2/metadata"
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)
func FromRequest(r *http.Request) context.Context {
ctx := r.Context()
md, ok := metadata.FromContext(ctx)
if !ok {
md = make(metadata.Metadata)
}
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for k, v := range r.Header {
md[textproto.CanonicalMIMEHeaderKey(k)] = strings.Join(v, ",")
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}
// pass http host
md["Host"] = r.Host
// pass http method
md["Method"] = r.Method
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return metadata.NewContext(ctx, md)
}