func TestWrapPanic(t *testing.T) {
var buf bytes.Buffer
reqlog.SetLogger(stdlog.New(&buf, "", 0))
mux := goji.NewMux()
mux.HandleFunc(pat.New("/safe"), func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNoContent)
})
mux.HandleFunc(pat.New("/panic"), func(w http.ResponseWriter, r *http.Request) {
panic("hi there!")
})
mux.UseC(respond.WrapPanicC)
req, err := http.NewRequest("FOO", "/safe", nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
mux.ServeHTTP(rr, req)
if err := apptest.AssertStatus(rr, http.StatusNoContent); err != nil {
t.Error(err)
}
buf.Reset()
rr = httptest.NewRecorder()
req.URL.Path = "/panic"
mux.ServeHTTP(rr, req)
if err := apptest.AssertStatus(rr, http.StatusInternalServerError); err != nil {
t.Error(err)
}
t.Log(rr.Body.String())
uerr, err := usererrors.UnmarshalJSON(rr.Body.Bytes())
if err != nil {
t.Fatal(err)
}
_, ok := uerr.(usererrors.InternalFailure)
if !ok {
t.Errorf("expected an InternalFailure but got %#v", uerr)
}
t.Log(buf.String())
}
// Add implements mux support for a given resource which is effectively handled as:
// pat.New("/(prefix/)resource.Plu*)
func (a *API) Add(resource *Resource) {
// track our associated resources, will enable auto-generation docs later
a.Resources[resource.Type] = resource
// Because of how prefix matches work:
// https://godoc.org/github.com/goji/goji/pat#hdr-Prefix_Matches
// We need two separate routes,
// /(prefix/)resources
matcher := path.Join(a.prefix, resource.Type)
a.Mux.HandleC(pat.New(matcher), resource)
// And:
// /(prefix/)resources/*
idMatcher := path.Join(a.prefix, resource.Type, "*")
a.Mux.HandleC(pat.New(idMatcher), resource)
}
func New(cfg *config.Config, r brew.Reader) http.Handler {
mux := goji.NewMux()
app := Web{
r: r,
t: template.Must(template.New("card").Parse(tmpl)),
}
// Setup middleware
mux.UseC(api.Recover)
mux.UseC(api.Tracing)
mux.HandleFuncC(pat.Get("/mtg/cards/:id"), app.HandleCard)
mux.Handle(pat.New("/*"), http.FileServer(http.Dir("./web/static/")))
return mux
}
func API() *goji.Mux {
mux := goji.SubMux()
// We pass the routes as relative to the point where the API router
// will be mounted. The super-router will strip any prefix off for us.
mux.HandleFuncC(pat.Get("/people"), api.ListPeople)
mux.HandleFuncC(pat.Post("/people"), api.CreatePerson)
mux.HandleFuncC(pat.Get("/people/:person"), api.GetPerson)
mux.HandleFuncC(pat.Delete("/people/:person"), api.DeletePerson)
// Add default 'not found' route that responds with JSON
mux.HandleFunc(pat.New("/*"), func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(404)
fmt.Fprint(w, `{"error":"not found"}`)
})
return mux
}
func TestMetrics(t *testing.T) {
backend := &stubBackend{}
metrics.SetBackend(backend)
inner := goji.NewMux()
inner.HandleFunc(pat.Get("/:baz"), func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(1)
})
inner.UseC(metrics.WrapSubmuxC)
outer := goji.NewMux()
outer.HandleFunc(pat.Get("/foo"), func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(2)
})
outer.HandleC(pat.New("/bar/*"), inner)
outer.UseC(metrics.WrapC)
cases := []struct {
path string
expect map[string]int
}{
{"/foo", map[string]int{"foo.request": 1, "foo.response.2": 1}},
{"/bar/baz", map[string]int{"bar.:baz.request": 1, "bar.:baz.response.1": 1}},
{"/bar", map[string]int{}},
}
for _, testcase := range cases {
backend.Reset()
req, err := http.NewRequest("GET", testcase.path, nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
outer.ServeHTTPC(context.Background(), rr, req)
if have, want := backend.data, testcase.expect; !reflect.DeepEqual(have, want) {
t.Errorf("%s: Expected %#v but got %#v", testcase.path, want, have)
}
}
}
// New creates an App for the given configuration.
func New(config *Configuration) (*App, error) {
var app App
db, err := buildDB(config.DBDSN, config.DBMaxIdle, config.DBMaxOpen)
if err != nil {
defer app.Close()
return nil, err
}
app.closers = append(app.closers, db)
ipQuota := throttled.RateQuota{throttled.PerMin(config.IPPerMinute), config.IPRateBurst}
ipLimiter, err := buildLimiter(ipQuota)
authCtrl, err := auth.New(config.UserSecret)
if err != nil {
defer app.Close()
return nil, err
}
sayCtrl, err := say.New(db)
if err != nil {
defer app.Close()
return nil, err
}
app.closers = append(app.closers, sayCtrl)
// TODO: Proper not found handler
privMux := goji.NewMux()
privMux.UseC(metrics.WrapSubmuxC)
privMux.UseC(authCtrl.WrapC)
privMux.HandleFuncC(Routes.GetAnimals, sayCtrl.GetAnimals)
privMux.HandleFuncC(Routes.ListMoods, sayCtrl.ListMoods)
privMux.HandleFuncC(Routes.SetMood, sayCtrl.SetMood)
privMux.HandleFuncC(Routes.GetMood, sayCtrl.GetMood)
privMux.HandleFuncC(Routes.DeleteMood, sayCtrl.DeleteMood)
privMux.HandleFuncC(Routes.ListConversations, sayCtrl.ListConversations)
privMux.HandleFuncC(Routes.CreateConversation, sayCtrl.CreateConversation)
privMux.HandleFuncC(Routes.GetConversation, sayCtrl.GetConversation)
privMux.HandleFuncC(Routes.DeleteConversation, sayCtrl.DeleteConversation)
privMux.HandleFuncC(Routes.CreateLine, sayCtrl.CreateLine)
privMux.HandleFuncC(Routes.GetLine, sayCtrl.GetLine)
privMux.HandleFuncC(Routes.DeleteLine, sayCtrl.DeleteLine)
mainMux := goji.NewMux()
mainMux.HandleFuncC(Routes.CreateUser, authCtrl.CreateUser)
mainMux.HandleFuncC(Routes.GetUser, authCtrl.GetUser)
mainMux.HandleC(pat.New("/*"), privMux)
mainMux.UseC(reqlog.WrapC)
mainMux.UseC(respond.WrapPanicC)
mainMux.UseC(metrics.WrapC)
mainMux.Use(ipLimiter.RateLimit)
app.srv = mainMux
return &app, nil
}
func main() {
log.Printf("initializing project_name=%q version=%q revision=%q",
conf.ProjectName,
conf.Version,
conf.Revision)
// Connect to the database.
db, err := database.Connect(conf.C.DbType, conf.C.DbConn)
if err != nil {
log.Printf("could not connect to database err=%q db_type=%q db_conn=%q",
err,
conf.C.DbType,
conf.C.DbConn)
return
}
// Create datastore.
ds := database.NewDatastore(db)
// Create API router and add middleware.
apiMux := router.API()
apiMux.Use(middleware.Options)
apiMux.Use(middleware.JSON)
// Create web router.
webMux := router.Web()
// Create root mux and add common middleware.
rootMux := goji.NewMux()
rootMux.UseC(middleware.RequestID)
rootMux.UseC(middleware.Logger)
rootMux.UseC(middleware.Recoverer)
rootMux.Use(middleware.SetHeaders)
// Serve all static assets from the root.
serveAssetAt := func(asset, path string) {
info, _ := static.AssetInfo(asset)
modTime := info.ModTime()
data := static.MustAsset(asset)
webMux.Handle(pat.Get(path), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
log.Printf("debug: serving asset: %s", asset)
http.ServeContent(w, r, asset, modTime, bytes.NewReader(data))
}))
}
for _, asset := range static.AssetNames() {
log.Printf("debug: adding route for asset: %s", asset)
serveAssetAt(asset, "/static/"+asset)
}
// Special case a bunch of assets that should be served from the root.
for _, asset := range []string{
"clientaccesspolicy.xml",
"crossdomain.xml",
"favicon.ico",
"humans.txt",
"robots.txt",
} {
// Note: only serve if we have this asset.
if _, err := static.Asset(asset); err == nil {
log.Printf("debug: adding special route for asset: %s", asset)
serveAssetAt(asset, "/"+asset)
}
}
// Serve the index page if we have one.
for _, asset := range []string{"index.html", "index.htm"} {
// Note: only serve if we have this asset, and only serve the first
// option.
if _, err := static.Asset(asset); err == nil {
log.Printf("debug: adding index route for asset: %s", asset)
serveAssetAt(asset, "/")
break
}
}
// Mount the API/Web muxes last (since order matters).
rootMux.HandleC(pat.New("/api/*"), apiMux)
rootMux.HandleC(pat.New("/*"), webMux)
// Create a top-level wrapper that implements ServeHTTP, so we can inject
// the root (Background) context and any other contexts that we wish to
// inject.
outer := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := context.Background()
ctx = datastore.NewContext(ctx, ds)
rootMux.ServeHTTPC(ctx, w, r)
})
// Start serving
log.Printf("starting server on: %s", conf.C.HostString())
graceful.Run(conf.C.HostString(), 10*time.Second, outer)
log.Printf("server finished")
}
func (m *Mux) Handle(pattern string, submux *Mux) {
handleMap(m, submux, pattern)
m.webmux.Handle(pat.New(pattern), submux.Mux())
}