59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
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package http
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import (
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"fmt"
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"io"
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"net/http"
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"strings"
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"git.loafle.net/commons_go/rpc"
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)
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type HTTPAdapter struct {
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registry rpc.Registry
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}
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func NewAdapter(registry rpc.Registry) *HTTPAdapter {
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return &HTTPAdapter{
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registry: registry,
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}
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}
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// ServeHTTP
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func (a *HTTPAdapter) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Method != "POST" {
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writeError(w, 405, "rpc: POST method required, received "+r.Method)
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return
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}
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contentType := r.Header.Get("Content-Type")
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idx := strings.Index(contentType, ";")
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if idx != -1 {
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contentType = contentType[:idx]
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}
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err := a.registry.Invoke(contentType, r.Body, w, beforeWrite, afterWrite)
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r.Body.Close()
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if nil != err {
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writeError(w, 400, err.Error())
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}
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}
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func beforeWrite(w io.Writer) {
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writer := w.(http.ResponseWriter)
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writer.Header().Set("x-content-type-options", "nosniff")
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writer.Header().Set("Content-Type", "application/json; charset=utf-8")
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}
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func afterWrite(w io.Writer) {
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}
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func writeError(w http.ResponseWriter, status int, msg string) {
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w.WriteHeader(status)
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w.Header().Set("Content-Type", "text/plain; charset=utf-8")
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fmt.Fprint(w, msg)
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}
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