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package gothic_test
import (
"fmt"
"html"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/gorilla/sessions"
"github.com/markbates/goth"
. "github.com/markbates/goth/gothic"
"github.com/markbates/goth/providers/faux"
"github.com/stretchr/testify/assert"
)
type ProviderStore struct {
Store map[*http.Request]*sessions.Session
}
func NewProviderStore() *ProviderStore {
return &ProviderStore{map[*http.Request]*sessions.Session{}}
}
func (p ProviderStore) Get(r *http.Request, name string) (*sessions.Session, error) {
s := p.Store[r]
if s == nil {
s, err := p.New(r, name)
return s, err
}
return s, nil
}
func (p ProviderStore) New(r *http.Request, name string) (*sessions.Session, error) {
s := sessions.NewSession(p, name)
s.Options = &sessions.Options{
Path: "/",
MaxAge: 86400 * 30,
}
p.Store[r] = s
return s, nil
}
func (p ProviderStore) Save(r *http.Request, w http.ResponseWriter, s *sessions.Session) error {
p.Store[r] = s
return nil
}
var fauxProvider goth.Provider
func init() {
Store = NewProviderStore()
fauxProvider = &faux.Provider{}
goth.UseProviders(fauxProvider)
}
func Test_BeginAuthHandler(t *testing.T) {
a := assert.New(t)
res := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/auth?provider=faux", nil)
a.NoError(err)
BeginAuthHandler(res, req)
sess, err := Store.Get(req, "faux"+SessionName)
if err != nil {
t.Fatalf("error getting faux Gothic session: %v", err)
}
sessStr, ok := sess.Values["faux"].(string)
if !ok {
t.Fatalf("Gothic session not stored as marshalled string; was %T (value %v)",
sess.Values["faux"], sess.Values["faux"])
}
gothSession, err := fauxProvider.UnmarshalSession(sessStr)
if err != nil {
t.Fatalf("error unmarshalling faux Gothic session: %v", err)
}
au, _ := gothSession.GetAuthURL()
a.Equal(http.StatusTemporaryRedirect, res.Code)
a.Contains(res.Body.String(),
fmt.Sprintf(`<a href="%s">Temporary Redirect</a>`, html.EscapeString(au)))
}
func Test_GetAuthURL(t *testing.T) {
a := assert.New(t)
res := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/auth?provider=faux", nil)
a.NoError(err)
u, err := GetAuthURL(res, req)
a.NoError(err)
// Check that we get the correct auth URL with a state parameter
parsed, err := url.Parse(u)
a.NoError(err)
a.Equal("http", parsed.Scheme)
a.Equal("example.com", parsed.Host)
q := parsed.Query()
a.Contains(q, "client_id")
a.Equal("code", q.Get("response_type"))
a.NotZero(q, "state")
// Check that if we run GetAuthURL on another request, that request's
// auth URL has a different state from the previous one.
req2, err := http.NewRequest("GET", "/auth?provider=faux", nil)
a.NoError(err)
url2, err := GetAuthURL(httptest.NewRecorder(), req2)
a.NoError(err)
parsed2, err := url.Parse(url2)
a.NoError(err)
a.NotEqual(parsed.Query().Get("state"), parsed2.Query().Get("state"))
}
func Test_CompleteUserAuth(t *testing.T) {
a := assert.New(t)
res := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/auth/callback?provider=faux", nil)
a.NoError(err)
sess := faux.Session{Name: "Homer Simpson", Email: "homer@example.com"}
session, _ := Store.Get(req, "faux"+SessionName)
session.Values["faux"] = sess.Marshal()
err = session.Save(req, res)
a.NoError(err)
user, err := CompleteUserAuth(res, req)
a.NoError(err)
a.Equal(user.Name, "Homer Simpson")
a.Equal(user.Email, "homer@example.com")
}
func Test_Logout(t *testing.T) {
a := assert.New(t)
res := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/auth/callback?provider=faux", nil)
a.NoError(err)
sess := faux.Session{Name: "Homer Simpson", Email: "homer@example.com"}
session, _ := Store.Get(req, "faux"+SessionName)
session.Values["faux"] = sess.Marshal()
err = session.Save(req, res)
a.NoError(err)
user, err := CompleteUserAuth(res, req)
a.NoError(err)
a.Equal(user.Name, "Homer Simpson")
a.Equal(user.Email, "homer@example.com")
err = Logout(res, req)
a.NoError(err)
session, _ = Store.Get(req, "faux"+SessionName)
a.Equal(session.Values, make(map[interface{}]interface{}))
a.Equal(session.Options.MaxAge, -1)
}
func Test_SetState(t *testing.T) {
a := assert.New(t)
req, _ := http.NewRequest("GET", "/auth?state=state", nil)
a.Equal(SetState(req), "state")
}
func Test_GetState(t *testing.T) {
a := assert.New(t)
req, _ := http.NewRequest("GET", "/auth?state=state", nil)
a.Equal(GetState(req), "state")
}
func Test_StateValidation(t *testing.T) {
a := assert.New(t)
Store = NewProviderStore()
res := httptest.NewRecorder()
req, err := http.NewRequest("GET", "/auth?provider=faux&state=state_REAL", nil)
a.NoError(err)
BeginAuthHandler(res, req)
session, _ := Store.Get(req, "faux"+SessionName)
// Assert that matching states will return a nil error
req, err = http.NewRequest("GET", "/auth/callback?provider=faux&state=state_REAL", nil)
session.Save(req, res)
_, err = CompleteUserAuth(res, req)
a.NoError(err)
// Assert that mismatched states will return an error
req, err = http.NewRequest("GET", "/auth/callback?provider=faux&state=state_FAKE", nil)
session.Save(req, res)
_, err = CompleteUserAuth(res, req)
a.Error(err)
}
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