mirror of
https://forgejo.merr.is/annika/jwtauth.git
synced 2025-12-11 11:16:32 -05:00
301 lines
7.9 KiB
Go
301 lines
7.9 KiB
Go
package jwtauth_test
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import (
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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"time"
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"github.com/dgrijalva/jwt-go"
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"github.com/go-chi/chi"
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"github.com/go-chi/jwtauth"
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)
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var (
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TokenAuthHS256 *jwtauth.JwtAuth
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TokenSecret = []byte("secretpass")
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TokenAuthRS256 *jwtauth.JwtAuth
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PrivateKeyRS256String = `-----BEGIN RSA PRIVATE KEY-----
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MIIBOwIBAAJBALxo3PCjFw4QjgOX06QCJIJBnXXNiEYwDLxxa5/7QyH6y77nCRQy
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J3x3UwF9rUD0RCsp4sNdX5kOQ9PUyHyOtCUCAwEAAQJARjFLHtuj2zmPrwcBcjja
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IS0Q3LKV8pA0LoCS+CdD+4QwCxeKFq0yEMZtMvcQOfqo9x9oAywFClMSlLRyl7ng
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gQIhAOyerGbcdQxxwjwGpLS61Mprf4n2HzjwISg20cEEH1tfAiEAy9dXmgQpDPir
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C6Q9QdLXpNgSB+o5CDqfor7TTyTCovsCIQDNCfpu795luDYN+dvD2JoIBfrwu9v2
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ZO72f/pm/YGGlQIgUdRXyW9kH13wJFNBeBwxD27iBiVj0cbe8NFUONBUBmMCIQCN
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jVK4eujt1lm/m60TlEhaWBC3p+3aPT2TqFPUigJ3RQ==
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-----END RSA PRIVATE KEY-----
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`
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PublicKeyRS256String = `-----BEGIN PUBLIC KEY-----
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MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALxo3PCjFw4QjgOX06QCJIJBnXXNiEYw
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DLxxa5/7QyH6y77nCRQyJ3x3UwF9rUD0RCsp4sNdX5kOQ9PUyHyOtCUCAwEAAQ==
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-----END PUBLIC KEY-----
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`
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)
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func init() {
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TokenAuthHS256 = jwtauth.New("HS256", TokenSecret, nil)
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}
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//
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// Tests
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//
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func TestSimpleRSA(t *testing.T) {
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privateKeyBlock, _ := pem.Decode([]byte(PrivateKeyRS256String))
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privateKey, err := x509.ParsePKCS1PrivateKey(privateKeyBlock.Bytes)
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if err != nil {
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t.Fatalf(err.Error())
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}
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publicKeyBlock, _ := pem.Decode([]byte(PublicKeyRS256String))
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publicKey, err := x509.ParsePKIXPublicKey(publicKeyBlock.Bytes)
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if err != nil {
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t.Fatalf(err.Error())
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}
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TokenAuthRS256 = jwtauth.New("RS256", privateKey, publicKey)
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claims := jwtauth.Claims{
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"key": "val",
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"key2": "val2",
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"key3": "val3",
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}
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_, tokenString, err := TokenAuthRS256.Encode(claims)
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if err != nil {
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t.Fatalf("Failed to encode claims %s\n", err.Error())
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}
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token, err := TokenAuthRS256.Decode(tokenString)
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if err != nil {
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t.Fatalf("Failed to decode token string %s\n", err.Error())
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}
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if !reflect.DeepEqual(claims, jwtauth.Claims(token.Claims.(jwt.MapClaims))) {
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t.Fatalf("The decoded claims don't match the original ones\n")
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}
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}
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func TestSimple(t *testing.T) {
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r := chi.NewRouter()
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r.Use(jwtauth.Verifier(TokenAuthHS256), jwtauth.Authenticator)
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r.Get("/", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("welcome"))
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})
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ts := httptest.NewServer(r)
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defer ts.Close()
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// sending unauthorized requests
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if status, resp := testRequest(t, ts, "GET", "/", nil, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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h := http.Header{}
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h.Set("Authorization", "BEARER "+newJwtToken([]byte("wrong"), map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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h.Set("Authorization", "BEARER asdf")
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if status, resp := testRequest(t, ts, "GET", "/", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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// wrong token secret and wrong alg
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h.Set("Authorization", "BEARER "+newJwt512Token([]byte("wrong"), map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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// correct token secret but wrong alg
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h.Set("Authorization", "BEARER "+newJwt512Token(TokenSecret, map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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// sending authorized requests
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if status, resp := testRequest(t, ts, "GET", "/", newAuthHeader(), nil); status != 200 || resp != "welcome" {
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t.Fatalf(resp)
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}
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}
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func TestMore(t *testing.T) {
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r := chi.NewRouter()
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// Protected routes
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r.Group(func(r chi.Router) {
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r.Use(jwtauth.Verifier(TokenAuthHS256))
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authenticator := func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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token, _, err := jwtauth.FromContext(r.Context())
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if err != nil {
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switch err {
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default:
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http.Error(w, http.StatusText(401), 401)
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return
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case jwtauth.ErrExpired:
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http.Error(w, "expired", 401)
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return
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case jwtauth.ErrUnauthorized:
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http.Error(w, http.StatusText(401), 401)
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return
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case nil:
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// no error
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}
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}
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if token == nil || !token.Valid {
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http.Error(w, http.StatusText(401), 401)
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return
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}
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// Token is authenticated, pass it through
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next.ServeHTTP(w, r)
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})
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}
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r.Use(authenticator)
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r.Get("/admin", func(w http.ResponseWriter, r *http.Request) {
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_, claims, err := jwtauth.FromContext(r.Context())
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if err != nil {
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w.Write([]byte(fmt.Sprintf("error! %v", err)))
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return
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}
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w.Write([]byte(fmt.Sprintf("protected, user:%v", claims["user_id"])))
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})
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})
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// Public routes
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r.Group(func(r chi.Router) {
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r.Get("/", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("welcome"))
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})
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})
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ts := httptest.NewServer(r)
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defer ts.Close()
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// sending unauthorized requests
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if status, resp := testRequest(t, ts, "GET", "/admin", nil, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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h := http.Header{}
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h.Set("Authorization", "BEARER "+newJwtToken([]byte("wrong"), map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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h.Set("Authorization", "BEARER asdf")
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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// wrong token secret and wrong alg
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h.Set("Authorization", "BEARER "+newJwt512Token([]byte("wrong"), map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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// correct token secret but wrong alg
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h.Set("Authorization", "BEARER "+newJwt512Token(TokenSecret, map[string]interface{}{}))
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 401 || resp != "Unauthorized\n" {
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t.Fatalf(resp)
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}
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h = newAuthHeader((jwtauth.Claims{}).Set("exp", jwtauth.EpochNow()-1000))
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 401 || resp != "expired\n" {
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t.Fatalf(resp)
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}
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// sending authorized requests
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if status, resp := testRequest(t, ts, "GET", "/", nil, nil); status != 200 || resp != "welcome" {
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t.Fatalf(resp)
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}
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h = newAuthHeader((jwtauth.Claims{"user_id": 31337}).SetExpiryIn(5 * time.Minute))
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if status, resp := testRequest(t, ts, "GET", "/admin", h, nil); status != 200 || resp != "protected, user:31337" {
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t.Fatalf(resp)
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}
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}
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//
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// Test helper functions
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//
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func testRequest(t *testing.T, ts *httptest.Server, method, path string, header http.Header, body io.Reader) (int, string) {
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req, err := http.NewRequest(method, ts.URL+path, body)
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if err != nil {
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t.Fatal(err)
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return 0, ""
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}
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if header != nil {
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for k, v := range header {
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req.Header.Set(k, v[0])
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}
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}
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Fatal(err)
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return 0, ""
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}
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respBody, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatal(err)
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return 0, ""
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}
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defer resp.Body.Close()
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return resp.StatusCode, string(respBody)
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}
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func newJwtToken(secret []byte, claims ...jwtauth.Claims) string {
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token := jwt.New(jwt.GetSigningMethod("HS256"))
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if len(claims) > 0 {
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token.Claims = claims[0]
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}
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tokenStr, err := token.SignedString(secret)
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if err != nil {
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log.Fatal(err)
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}
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return tokenStr
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}
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func newJwt512Token(secret []byte, claims ...jwtauth.Claims) string {
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// use-case: when token is signed with a different alg than expected
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token := jwt.New(jwt.GetSigningMethod("HS512"))
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if len(claims) > 0 {
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token.Claims = claims[0]
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}
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tokenStr, err := token.SignedString(secret)
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if err != nil {
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log.Fatal(err)
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}
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return tokenStr
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}
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func newAuthHeader(claims ...jwtauth.Claims) http.Header {
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h := http.Header{}
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h.Set("Authorization", "BEARER "+newJwtToken(TokenSecret, claims...))
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return h
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}
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