Returns HTTP unauthorized for ajax requests instead of redirecting to the sing-in page

This commit is contained in:
Cosmin Cojocar 2019-01-30 11:13:12 +01:00
parent 01c5f5ae3b
commit c12db0ebf7
2 changed files with 92 additions and 0 deletions

View File

@ -754,6 +754,8 @@ func (p *OAuthProxy) Proxy(rw http.ResponseWriter, req *http.Request) {
} else {
p.SignInPage(rw, req, http.StatusForbidden)
}
} else if status == http.StatusUnauthorized {
p.ErrorJSON(rw, status)
} else {
p.serveMux.ServeHTTP(rw, req)
}
@ -826,6 +828,11 @@ func (p *OAuthProxy) Authenticate(rw http.ResponseWriter, req *http.Request) int
}
if session == nil {
// Check if is an ajax request and return unauthorized to avoid a redirect
// to the login page
if p.isAjax(req) {
return http.StatusUnauthorized
}
return http.StatusForbidden
}
@ -894,3 +901,24 @@ func (p *OAuthProxy) CheckBasicAuth(req *http.Request) (*providers.SessionState,
}
return nil, fmt.Errorf("%s not in HtpasswdFile", pair[0])
}
// isAjax checks if a request is an ajax request
func (p *OAuthProxy) isAjax(req *http.Request) bool {
acceptValues, ok := req.Header["accept"]
if !ok {
acceptValues = req.Header["Accept"]
}
const ajaxReq = "application/json"
for _, v := range acceptValues {
if v == ajaxReq {
return true
}
}
return false
}
// ErrorJSON returns the error code witht an application/json mime type
func (p *OAuthProxy) ErrorJSON(rw http.ResponseWriter, code int) {
rw.Header().Set("Content-Type", "application/json")
rw.WriteHeader(code)
}

View File

@ -871,3 +871,67 @@ func TestGetRedirect(t *testing.T) {
})
}
}
type ajaxRequestTest struct {
opts *Options
proxy *OAuthProxy
}
func newAjaxRequestTest() *ajaxRequestTest {
test := &ajaxRequestTest{}
test.opts = NewOptions()
test.opts.CookieSecret = "foobar"
test.opts.ClientID = "bazquux"
test.opts.ClientSecret = "xyzzyplugh"
test.opts.Validate()
test.proxy = NewOAuthProxy(test.opts, func(email string) bool {
return true
})
return test
}
func (test *ajaxRequestTest) getEndpoint(endpoint string, header http.Header) (int, http.Header, error) {
rw := httptest.NewRecorder()
req, err := http.NewRequest(http.MethodGet, endpoint, strings.NewReader(""))
if err != nil {
return 0, nil, err
}
req.Header = header
test.proxy.ServeHTTP(rw, req)
return rw.Code, rw.Header(), nil
}
func testAjaxUnauthorizedRequest(t *testing.T, header http.Header) {
test := newAjaxRequestTest()
const endpoint = "/test"
code, rh, err := test.getEndpoint(endpoint, header)
assert.NoError(t, err)
assert.Equal(t, http.StatusUnauthorized, code)
mime := rh.Get("Content-Type")
assert.Equal(t, "application/json", mime)
}
func TestAjaxUnauthorizedRequest1(t *testing.T) {
header := make(http.Header)
header.Add("accept", "application/json")
testAjaxUnauthorizedRequest(t, header)
}
func TestAjaxUnauthorizedRequest2(t *testing.T) {
header := make(http.Header)
header.Add("Accept", "application/json")
testAjaxUnauthorizedRequest(t, header)
}
func TestAjaxForbiddendRequest(t *testing.T) {
test := newAjaxRequestTest()
const endpoint = "/test"
header := make(http.Header)
code, rh, err := test.getEndpoint(endpoint, header)
assert.NoError(t, err)
assert.Equal(t, http.StatusForbidden, code)
mime := rh.Get("Content-Type")
assert.NotEqual(t, "application/json", mime)
}