57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
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package cbreaker
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import (
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"fmt"
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"net/http"
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"net/url"
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"strconv"
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)
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type Response struct {
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StatusCode int
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ContentType string
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Body []byte
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}
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type ResponseFallback struct {
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r Response
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}
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func NewResponseFallback(r Response) (*ResponseFallback, error) {
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if r.StatusCode == 0 {
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return nil, fmt.Errorf("response code should not be 0")
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}
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return &ResponseFallback{r: r}, nil
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}
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func (f *ResponseFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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if f.r.ContentType != "" {
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w.Header().Set("Content-Type", f.r.ContentType)
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}
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w.Header().Set("Content-Length", strconv.Itoa(len(f.r.Body)))
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w.WriteHeader(f.r.StatusCode)
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w.Write(f.r.Body)
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}
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type Redirect struct {
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URL string
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}
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type RedirectFallback struct {
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u *url.URL
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}
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func NewRedirectFallback(r Redirect) (*RedirectFallback, error) {
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u, err := url.ParseRequestURI(r.URL)
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if err != nil {
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return nil, err
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}
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return &RedirectFallback{u: u}, nil
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}
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func (f *RedirectFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Location", f.u.String())
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w.WriteHeader(http.StatusFound)
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w.Write([]byte(http.StatusText(http.StatusFound)))
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}
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