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59f41ac17d
Add new ui route "/user" to ui router Signed-off-by: Raul-Cristian Kele <raulkeleblk@gmail.com>
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
//go:build search && ui
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// +build search,ui
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package extensions
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import (
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"embed"
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"io/fs"
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"net/http"
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"strings"
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"github.com/gorilla/mux"
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"zotregistry.io/zot/pkg/api/config"
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zcommon "zotregistry.io/zot/pkg/common"
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"zotregistry.io/zot/pkg/log"
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)
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// content is our static web server content.
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//
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//go:embed build/*
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var content embed.FS
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type uiHandler struct {
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log log.Logger
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}
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func (uih uiHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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buf, _ := content.ReadFile("build/index.html")
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_, err := w.Write(buf)
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if err != nil {
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uih.log.Error().Err(err).Msg("failed to serve index.html")
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}
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}
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func addUISecurityHeaders(h http.Handler) http.HandlerFunc { //nolint:varnamelen
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return func(w http.ResponseWriter, r *http.Request) {
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permissionsPolicy := "microphone=(), geolocation=(), battery=(), camera=(), autoplay=(), gyroscope=(), payment=()"
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w.Header().Set("Permissions-Policy", permissionsPolicy)
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.Header().Set("X-Frame-Options", "DENY")
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cspDirectives := []string{
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"default-src 'none'",
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"script-src 'self' 'unsafe-inline'",
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"style-src 'self' 'unsafe-inline'",
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"font-src 'self'",
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"connect-src 'self'",
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"img-src 'self'",
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"manifest-src 'self'",
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"base-uri 'self'",
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}
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w.Header().Set("Content-Security-Policy", strings.Join(cspDirectives, "; "))
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h.ServeHTTP(w, r)
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}
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}
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func SetupUIRoutes(conf *config.Config, router *mux.Router,
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log log.Logger,
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) {
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if !conf.IsUIEnabled() {
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log.Info().Msg("skip enabling the ui route as the config prerequisites are not met")
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return
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}
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log.Info().Msg("setting up ui routes")
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fsub, _ := fs.Sub(content, "build")
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uih := uiHandler{log: log}
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// See https://go-review.googlesource.com/c/go/+/482635/2/src/net/http/fs.go
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// See https://github.com/golang/go/issues/59469
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// In go 1.20.4 they decided to allow any method in the FileServer handler.
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// In order to be consistent with the status codes returned when the UI is disabled
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// we need to be explicit about the methods we allow on UI routes.
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// If we don't add this, all unmatched http methods on any urls would match the UI routes.
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allowedMethods := zcommon.AllowedMethods(http.MethodGet)
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router.PathPrefix("/login").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(uih))
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router.PathPrefix("/home").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(uih))
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router.PathPrefix("/explore").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(uih))
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router.PathPrefix("/image").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(uih))
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router.PathPrefix("/user").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(uih))
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router.PathPrefix("/").Methods(allowedMethods...).
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Handler(addUISecurityHeaders(http.FileServer(http.FS(fsub))))
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log.Info().Msg("finished setting up ui routes")
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}
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