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// Copyright (C) 2018 LEAP
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package bonafide
import (
"io"
"io/ioutil"
"net/http"
"os"
"reflect"
"strconv"
"strings"
"testing"
)
const (
certPath = "testdata/cert"
eip1Path = "testdata/eip-service.json"
eipPath = "testdata/eip-service3.json"
eipPathSip = "testdata/eip-service3-sip.json"
)
type client struct {
path string
}
func (c client) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
f, err := os.Open(c.path)
return &http.Response{
Body: f,
StatusCode: 200,
}, err
}
func (c client) Do(req *http.Request) (*http.Response, error) {
f, err := os.Open(c.path)
return &http.Response{
Body: f,
StatusCode: 200,
}, err
}
func TestAnonGetCert(t *testing.T) {
b := Bonafide{client: client{certPath}}
b.auth = &anonymousAuthentication{}
cert, err := b.GetPemCertificate()
if err != nil {
t.Fatal("getCert returned an error: ", err)
}
f, err := os.Open(certPath)
if err != nil {
t.Fatal("Can't open ", certPath, ": ", err)
}
defer f.Close()
certData, err := ioutil.ReadAll(f)
if err != nil {
t.Fatal("Can't read all: ", err)
}
if !reflect.DeepEqual(certData, cert) {
t.Errorf("cert doesn't match")
}
}
func TestGatewayTzLocation(t *testing.T) {
// tzOffset -> location
values := map[int]string{
-12: "c",
-10: "a",
-5: "a",
-3: "a",
-1: "b",
0: "b",
2: "b",
5: "c",
8: "c",
12: "c",
}
for tzOffset, location := range values {
b := Bonafide{
client: client{eipPath},
tzOffsetHours: tzOffset,
}
gateways, err := b.GetGateways("openvpn")
if err != nil {
t.Errorf("getGateways returned an error: %v", err)
continue
}
if len(gateways) < 4 {
t.Errorf("Wrong number of gateways: %d", len(gateways))
continue
}
if gateways[0].Location != location {
t.Errorf("Wrong location for tz %d: %s, expected: %s", tzOffset, gateways[0].Location, location)
}
}
}
func TestOpenvpnGateways(t *testing.T) {
b := Bonafide{
client: client{eipPath},
}
gateways, err := b.GetGateways("openvpn")
if err != nil {
t.Fatalf("getGateways returned an error: %v", err)
}
if len(gateways) == 0 {
t.Fatalf("No obfs4 gateways found")
}
present := make([]bool, 6)
for _, g := range gateways {
i, err := strconv.Atoi(g.Host[0:1])
if err != nil {
t.Fatalf("unkonwn host %s: %v", g.Host, err)
}
present[i] = true
}
for i, p := range present {
switch i {
case 0:
continue
case 5:
if p {
t.Errorf("Host %d should not have obfs4 transport", i)
}
default:
if !p {
t.Errorf("Host %d should have obfs4 transport", i)
}
}
}
}
func TestObfs4Gateways(t *testing.T) {
b := Bonafide{
client: client{eipPath},
}
gateways, err := b.GetGateways("obfs4")
if err != nil {
t.Fatalf("getGateways returned an error: %v", err)
}
if len(gateways) == 0 {
t.Fatalf("No obfs4 gateways found")
}
present := make([]bool, 6)
for _, g := range gateways {
i, err := strconv.Atoi(g.Host[0:1])
if err != nil {
t.Fatalf("unkonwn host %s: %v", g.Host, err)
}
present[i] = true
cert, ok := g.Options["cert"]
if !ok {
t.Fatalf("No cert in options (%s): %v", g.Host, g.Options)
}
if cert != "obfs-cert" {
t.Errorf("No valid options given (%s): %v", g.Host, g.Options)
}
}
for i, p := range present {
switch i {
case 0:
continue
case 2, 4:
if p {
t.Errorf("Host %d should not have obfs4 transport", i)
}
default:
if !p {
t.Errorf("Host %d should have obfs4 transport", i)
}
}
}
}
/* TODO -- failClient instead? */
type fallClient struct {
path string
}
func (c fallClient) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
statusCode := 200
if strings.Contains(url, "3/config/eip-service.json") {
statusCode = 404
}
f, err := os.Open(c.path)
return &http.Response{
Body: f,
StatusCode: statusCode,
}, err
}
func (c fallClient) Do(req *http.Request) (*http.Response, error) {
f, err := os.Open(c.path)
return &http.Response{
Body: f,
StatusCode: 401,
}, err
}
func TestEipServiceV1Fallback(t *testing.T) {
b := Bonafide{
client: fallClient{eip1Path},
}
gateways, err := b.GetGateways("obfs4")
if err != nil {
t.Fatalf("getGateways obfs4 returned an error: %v", err)
}
if len(gateways) != 0 {
t.Fatalf("It found some obfs4 gateways: %v", gateways)
}
gateways, err = b.GetGateways("openvpn")
if err != nil {
t.Fatalf("getGateways openvpn returned an error: %v", err)
}
if len(gateways) != 4 {
t.Fatalf("It not right number of gateways: %v", gateways)
}
}
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