traefik/middlewares/headers/headers_test.go

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package headers
// Middleware tests based on https://github.com/unrolled/secure
import (
"context"
"net/http"
"net/http/httptest"
"testing"
"github.com/containous/traefik/config"
"github.com/containous/traefik/testhelpers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCustomRequestHeader(t *testing.T) {
emptyHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
header := newHeader(emptyHandler, config.Headers{
CustomRequestHeaders: map[string]string{
"X-Custom-Request-Header": "test_request",
},
})
res := httptest.NewRecorder()
req := testhelpers.MustNewRequest(http.MethodGet, "/foo", nil)
header.ServeHTTP(res, req)
assert.Equal(t, http.StatusOK, res.Code)
assert.Equal(t, "test_request", req.Header.Get("X-Custom-Request-Header"))
}
func TestCustomRequestHeaderEmptyValue(t *testing.T) {
emptyHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
header := newHeader(emptyHandler, config.Headers{
CustomRequestHeaders: map[string]string{
"X-Custom-Request-Header": "test_request",
},
})
res := httptest.NewRecorder()
req := testhelpers.MustNewRequest(http.MethodGet, "/foo", nil)
header.ServeHTTP(res, req)
assert.Equal(t, http.StatusOK, res.Code)
assert.Equal(t, "test_request", req.Header.Get("X-Custom-Request-Header"))
header = newHeader(emptyHandler, config.Headers{
CustomRequestHeaders: map[string]string{
"X-Custom-Request-Header": "",
},
})
header.ServeHTTP(res, req)
assert.Equal(t, http.StatusOK, res.Code)
assert.Equal(t, "", req.Header.Get("X-Custom-Request-Header"))
}
func TestSecureHeader(t *testing.T) {
testCases := []struct {
desc string
fromHost string
expected int
}{
{
desc: "Should accept the request when given a host that is in the list",
fromHost: "foo.com",
expected: http.StatusOK,
},
{
desc: "Should refuse the request when no host is given",
fromHost: "",
expected: http.StatusInternalServerError,
},
{
desc: "Should refuse the request when no matching host is given",
fromHost: "boo.com",
expected: http.StatusInternalServerError,
},
}
emptyHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {})
header, err := New(context.Background(), emptyHandler, config.Headers{
AllowedHosts: []string{"foo.com", "bar.com"},
}, "foo")
require.NoError(t, err)
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
res := httptest.NewRecorder()
req := testhelpers.MustNewRequest(http.MethodGet, "/foo", nil)
req.Host = test.fromHost
header.ServeHTTP(res, req)
assert.Equal(t, test.expected, res.Code)
})
}
}
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func TestSSLForceHost(t *testing.T) {
next := http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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_, _ = rw.Write([]byte("OK"))
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})
testCases := []struct {
desc string
host string
secureMiddleware *secureHeader
expected int
}{
{
desc: "http should return a 301",
host: "http://powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: true,
SSLHost: "powpow.example.com",
}),
expected: http.StatusMovedPermanently,
},
{
desc: "http sub domain should return a 301",
host: "http://www.powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: true,
SSLHost: "powpow.example.com",
}),
expected: http.StatusMovedPermanently,
},
{
desc: "https should return a 200",
host: "https://powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: true,
SSLHost: "powpow.example.com",
}),
expected: http.StatusOK,
},
{
desc: "https sub domain should return a 301",
host: "https://www.powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: true,
SSLHost: "powpow.example.com",
}),
expected: http.StatusMovedPermanently,
},
{
desc: "http without force host and sub domain should return a 301",
host: "http://www.powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: false,
SSLHost: "powpow.example.com",
}),
expected: http.StatusMovedPermanently,
},
{
desc: "https without force host and sub domain should return a 301",
host: "https://www.powpow.example.com",
secureMiddleware: newSecure(next, config.Headers{
SSLRedirect: true,
SSLForceHost: false,
SSLHost: "powpow.example.com",
}),
expected: http.StatusOK,
},
}
for _, test := range testCases {
t.Run(test.desc, func(t *testing.T) {
req := testhelpers.MustNewRequest(http.MethodGet, test.host, nil)
rw := httptest.NewRecorder()
test.secureMiddleware.ServeHTTP(rw, req)
assert.Equal(t, test.expected, rw.Result().StatusCode)
})
}
}