ugit/internal/http/middleware.go

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package http
import (
"context"
"errors"
"io/fs"
"net/http"
"github.com/go-chi/chi/v5"
"go.jolheiser.com/ugit/internal/git"
"go.jolheiser.com/ugit/internal/http/httperr"
)
type ugitCtxKey string
var repoCtxKey = ugitCtxKey("repo")
func (rh repoHandler) repoMiddleware(next http.Handler) http.Handler {
return httperr.Handler(func(w http.ResponseWriter, r *http.Request) error {
repoName := chi.URLParam(r, "repo")
repo, err := git.NewRepo(rh.s.RepoDir, repoName)
if err != nil {
httpErr := http.StatusInternalServerError
if errors.Is(err, fs.ErrNotExist) {
httpErr = http.StatusNotFound
}
return httperr.Status(err, httpErr)
}
if repo.Meta.Private {
return httperr.Status(errors.New("could not get git repo"), http.StatusNotFound)
}
r = r.WithContext(context.WithValue(r.Context(), repoCtxKey, repo))
next.ServeHTTP(w, r)
return nil
})
}