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61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// +build ignore
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/*
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Example application using NewContext/FromContext
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Build with:
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go build context.go
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*/
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package main
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import (
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"fmt"
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"net/http"
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auth ".."
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"golang.org/x/net/context"
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)
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func Secret(user, realm string) string {
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if user == "john" {
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// password is "hello"
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return "b98e16cbc3d01734b264adba7baa3bf9"
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}
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return ""
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}
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type ContextHandler interface {
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ServeHTTP(ctx context.Context, w http.ResponseWriter, r *http.Request)
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}
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type ContextHandlerFunc func(ctx context.Context, w http.ResponseWriter, r *http.Request)
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func (f ContextHandlerFunc) ServeHTTP(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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f(ctx, w, r)
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}
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func handle(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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authInfo := auth.FromContext(ctx)
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authInfo.UpdateHeaders(w.Header())
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if authInfo == nil || !authInfo.Authenticated {
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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return
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}
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fmt.Fprintf(w, "<html><body><h1>Hello, %s!</h1></body></html>", authInfo.Username)
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}
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func authenticatedHandler(a auth.AuthenticatorInterface, h ContextHandler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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ctx := a.NewContext(context.Background(), r)
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h.ServeHTTP(ctx, w, r)
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})
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}
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func main() {
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authenticator := auth.NewDigestAuthenticator("example.com", Secret)
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http.Handle("/", authenticatedHandler(authenticator, ContextHandlerFunc(handle)))
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http.ListenAndServe(":8080", nil)
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}
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