mirror of https://github.com/jlelse/GoBlog
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package main
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import (
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"context"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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)
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func checkIndieAuth(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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bearerToken := r.Header.Get("Authorization")
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if len(bearerToken) == 0 {
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bearerToken = r.URL.Query().Get("access_token")
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}
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tokenData, err := verifyIndieAuthToken(bearerToken)
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if err != nil {
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http.Error(w, err.Error(), http.StatusUnauthorized)
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return
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}
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if err := compareHostnames(tokenData.Me, appConfig.Server.Domain); err != nil {
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http.Error(w, "Forbidden", http.StatusUnauthorized)
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return
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}
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ctx := context.WithValue(r.Context(), "scope", strings.Join(tokenData.Scopes, " "))
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next.ServeHTTP(w, r.WithContext(ctx))
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return
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})
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}
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func compareHostnames(a string, allowed string) error {
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h1, err := url.Parse(a)
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if err != nil {
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return err
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}
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if strings.ToLower(h1.Hostname()) != strings.ToLower(allowed) {
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return fmt.Errorf("hostnames do not match, %s is not %s", h1, allowed)
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}
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return nil
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}
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