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package oauth
import (
"encoding/json"
"fmt"
"net/url"
"strings"
"testing"
"time"
)
func Test_verifiergen(t *testing.T) {
v, err := genVerifier()
if err != nil {
t.Fatalf("Gen verifier error: %v", err)
}
// Verifier must be at minimum 43 and at max 128 characters...
// However... Our verifier is exactly 43!
if len(v) != 43 {
t.Fatalf(
"Got verifier length: %d, want a verifier with at least 43 characters",
len(v),
)
}
_, err = url.QueryUnescape(v)
if err != nil {
t.Fatalf("Verifier: %s can not be unescaped", v)
}
}
func Test_stategen(t *testing.T) {
s1, err := genState()
if err != nil {
t.Fatalf("Error when generating state 1: %v", err)
}
s2, err := genState()
if err != nil {
t.Fatalf("Error when generating state 2: %v", err)
}
if s1 == s2 {
t.Fatalf("State: %v, equal to: %v", s1, s2)
}
}
func Test_challengergen(t *testing.T) {
verifier := "test"
// Calculated using: base64.urlsafe_b64encode(hashlib.sha256("test".encode("utf-8")).digest()).decode("utf-8").replace("=", "") in Python
// This test might not be the best because we're now comparing two different implementations, but at least it gives us a way to see if we messed something up in a commit
want := "n4bQgYhMfWWaL-qgxVrQFaO_TxsrC4Is0V1sFbDwCgg"
got := genChallengeS256(verifier)
if got != want {
t.Fatalf("Challenger not equal, got: %v, want: %v", got, want)
}
}
func Test_accessToken(t *testing.T) {
o := OAuth{}
_, err := o.AccessToken()
if err == nil {
t.Fatalf("No error when getting access token on empty structure")
}
// Here we should get no error because the access token is set and is not expired
want := "test"
expired := time.Now().Add(1 * time.Hour)
o = OAuth{token: &tokenLock{t: &tokenRefresher{Token: Token{Access: want, ExpiredTimestamp: expired}}}}
got, err := o.AccessToken()
if err != nil {
t.Fatalf("Got error when getting access token on non-empty structure: %v", err)
}
if got != want {
t.Fatalf("Access token not equal, Got: %v, Want: %v", got, want)
}
// Set the tokens as expired
o.SetTokenExpired()
// We should get an error because expired and no refresh token
_, err = o.AccessToken()
if err == nil {
t.Fatal("Got no error when getting access token on non-empty structure and expired")
}
want = "test2"
// Now we internally update the refresh function and refresh token, we should get new tokens
refresh := "refresh"
o.token.t.Refresh = refresh
o.token.t.Refresher = func(refreshToken string) (*TokenResponse, time.Time, error) {
if refreshToken != refresh {
t.Fatalf("Passed refresh token to refresher not equal to updated refresh token, got: %v, want: %v", refreshToken, refresh)
}
// Only the access and refresh fields are really important
r := &TokenResponse{Access: want, Refresh: "test2"}
return r, expired, nil
}
got, err = o.AccessToken()
if err != nil {
t.Fatalf("Got error when getting access token on non-empty expired structure and with a 'valid' refresh token: %v", err)
}
if got != want {
t.Fatalf("Access token not equal, Got: %v, Want: %v", got, want)
}
// Set the tokens as expired
o.SetTokenExpired()
want = "test3"
// Now let's act like a 2.x server, we give no refresh token back. When we refresh the previous refresh token should be gotten
o.token.t.Refresh = refresh
prevRefresh := refresh
o.token.t.Refresher = func(refreshToken string) (*TokenResponse, time.Time, error) {
if refreshToken != refresh {
t.Fatalf("Passed refresh token to refresher not equal to updated refresh token, got: %v, want: %v", refreshToken, refresh)
}
// Only the access token is returned now
r := &TokenResponse{Access: want}
return r, expired, nil
}
got, err = o.AccessToken()
if err != nil {
t.Fatalf("Got error when getting access token on non-empty expired structure and with an empty refresh response: %v", err)
}
if got != want {
t.Fatalf("Access token not equal, Got: %v, Want: %v", got, want)
}
if o.token.t.Refresh == "" {
t.Fatalf("Refresh token is empty after refreshing and getting back an empty refresh")
}
if o.token.t.Refresh != prevRefresh {
t.Fatalf("Refresh token is not equal to previous refresh token after refreshing and getting back an empty refresh token, got: %v, want: %v", o.token.t.Refresh, prevRefresh)
}
}
func Test_secretJSON(t *testing.T) {
// Access and refresh tokens should not be present in marshalled JSON
a := "ineedtobesecret_access"
r := "ineedtobesecret_refresh"
o := OAuth{token: &tokenLock{t: &tokenRefresher{Token: Token{Access: a, Refresh: r}}}}
b, err := json.Marshal(o)
if err != nil {
t.Fatalf("Error when marshalling OAuth JSON: %v", err)
}
s := string(b)
// Of course this is a very dumb check, it could be that we are writing in some other serialized format. However, we simply marshal the structure directly. Go just serializes this as a simple string
if strings.Contains(s, a) {
t.Fatalf("Serialized OAuth contains Access Token! Serialized: %v, Access Token: %v", s, a)
}
if strings.Contains(s, r) {
t.Fatalf("Serialized OAuth contains Refresh Token! Serialized: %v, Refresh Token: %v", s, a)
}
}
func Test_AuthURL(t *testing.T) {
iss := "local"
auth := "https://127.0.0.1/auth"
token := "https://127.0.0.1/token"
id := "client_id"
o := OAuth{ISS: iss, BaseAuthorizationURL: auth, TokenURL: token}
s, err := o.AuthURL(id, func(s string) string {
// We do nothing here are this function is for skipping WAYF
return s
})
if err != nil {
t.Fatalf("Error in getting OAuth URL: %v", err)
}
// Check if the OAuth session has valid values
if o.session.ClientID != id {
t.Fatalf("OAuth ClientID not equal, want: %v, got: %v", o.session.ClientID, id)
}
if o.session.ISS != iss {
t.Fatalf("OAuth ISS not equal, want: %v, got: %v", o.session.ISS, iss)
}
if o.session.State == "" {
t.Fatal("No OAuth session state paremeter found")
}
if o.session.Verifier == "" {
t.Fatal("No OAuth session state paremeter found")
}
if o.session.ErrChan == nil {
t.Fatal("No OAuth session error channel found")
}
u, err := url.Parse(s)
if err != nil {
t.Fatalf("Returned Auth URL cannot be parsed with error: %v", err)
}
port, err := o.ListenerPort()
if err != nil {
t.Fatalf("Listener port cannot be found with error: %v", err)
}
c := []struct {
query string
want string
}{
{query: "client_id", want: id},
{query: "code_challenge_method", want: "S256"},
{query: "response_type", want: "code"},
{query: "scope", want: "config"},
{query: "redirect_uri", want: fmt.Sprintf("http://127.0.0.1:%d/callback", port)},
}
q := u.Query()
// We should have 7 parameters: client_id, challenge method, challenge, response type, scope, state and redirect uri
if len(q) != 7 {
t.Fatalf("Total query parameters is not 7, url: %v, total params: %v", u, len(q))
}
for _, v := range c {
p := q.Get(v.query)
if p != v.want {
t.Fatalf("Parameter: %v, not equal, want: %v, got: %v", v.query, v.want, p)
}
}
}
|
