| // Copyright 2014 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package jwt |
| |
| import ( |
| "context" |
| "encoding/base64" |
| "encoding/json" |
| "fmt" |
| "net/http" |
| "net/http/httptest" |
| "strings" |
| "testing" |
| |
| "golang.org/x/oauth2" |
| "golang.org/x/oauth2/jws" |
| ) |
| |
| var dummyPrivateKey = []byte(`-----BEGIN RSA PRIVATE KEY----- |
| MIIEpAIBAAKCAQEAx4fm7dngEmOULNmAs1IGZ9Apfzh+BkaQ1dzkmbUgpcoghucE |
| DZRnAGd2aPyB6skGMXUytWQvNYav0WTR00wFtX1ohWTfv68HGXJ8QXCpyoSKSSFY |
| fuP9X36wBSkSX9J5DVgiuzD5VBdzUISSmapjKm+DcbRALjz6OUIPEWi1Tjl6p5RK |
| 1w41qdbmt7E5/kGhKLDuT7+M83g4VWhgIvaAXtnhklDAggilPPa8ZJ1IFe31lNlr |
| k4DRk38nc6sEutdf3RL7QoH7FBusI7uXV03DC6dwN1kP4GE7bjJhcRb/7jYt7CQ9 |
| /E9Exz3c0yAp0yrTg0Fwh+qxfH9dKwN52S7SBwIDAQABAoIBAQCaCs26K07WY5Jt |
| 3a2Cw3y2gPrIgTCqX6hJs7O5ByEhXZ8nBwsWANBUe4vrGaajQHdLj5OKfsIDrOvn |
| 2NI1MqflqeAbu/kR32q3tq8/Rl+PPiwUsW3E6Pcf1orGMSNCXxeducF2iySySzh3 |
| nSIhCG5uwJDWI7a4+9KiieFgK1pt/Iv30q1SQS8IEntTfXYwANQrfKUVMmVF9aIK |
| 6/WZE2yd5+q3wVVIJ6jsmTzoDCX6QQkkJICIYwCkglmVy5AeTckOVwcXL0jqw5Kf |
| 5/soZJQwLEyBoQq7Kbpa26QHq+CJONetPP8Ssy8MJJXBT+u/bSseMb3Zsr5cr43e |
| DJOhwsThAoGBAPY6rPKl2NT/K7XfRCGm1sbWjUQyDShscwuWJ5+kD0yudnT/ZEJ1 |
| M3+KS/iOOAoHDdEDi9crRvMl0UfNa8MAcDKHflzxg2jg/QI+fTBjPP5GOX0lkZ9g |
| z6VePoVoQw2gpPFVNPPTxKfk27tEzbaffvOLGBEih0Kb7HTINkW8rIlzAoGBAM9y |
| 1yr+jvfS1cGFtNU+Gotoihw2eMKtIqR03Yn3n0PK1nVCDKqwdUqCypz4+ml6cxRK |
| J8+Pfdh7D+ZJd4LEG6Y4QRDLuv5OA700tUoSHxMSNn3q9As4+T3MUyYxWKvTeu3U |
| f2NWP9ePU0lV8ttk7YlpVRaPQmc1qwooBA/z/8AdAoGAW9x0HWqmRICWTBnpjyxx |
| QGlW9rQ9mHEtUotIaRSJ6K/F3cxSGUEkX1a3FRnp6kPLcckC6NlqdNgNBd6rb2rA |
| cPl/uSkZP42Als+9YMoFPU/xrrDPbUhu72EDrj3Bllnyb168jKLa4VBOccUvggxr |
| Dm08I1hgYgdN5huzs7y6GeUCgYEAj+AZJSOJ6o1aXS6rfV3mMRve9bQ9yt8jcKXw |
| 5HhOCEmMtaSKfnOF1Ziih34Sxsb7O2428DiX0mV/YHtBnPsAJidL0SdLWIapBzeg |
| KHArByIRkwE6IvJvwpGMdaex1PIGhx5i/3VZL9qiq/ElT05PhIb+UXgoWMabCp84 |
| OgxDK20CgYAeaFo8BdQ7FmVX2+EEejF+8xSge6WVLtkaon8bqcn6P0O8lLypoOhd |
| mJAYH8WU+UAy9pecUnDZj14LAGNVmYcse8HFX71MoshnvCTFEPVo4rZxIAGwMpeJ |
| 5jgQ3slYLpqrGlcbLgUXBUgzEO684Wk/UV9DFPlHALVqCfXQ9dpJPg== |
| -----END RSA PRIVATE KEY-----`) |
| |
| func TestJWTFetch_JSONResponse(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| w.Header().Set("Content-Type", "application/json") |
| w.Write([]byte(`{ |
| "access_token": "90d64460d14870c08c81352a05dedd3465940a7c", |
| "scope": "user", |
| "token_type": "bearer", |
| "expires_in": 3600 |
| }`)) |
| })) |
| defer ts.Close() |
| |
| conf := &Config{ |
| Email: "aaa@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| TokenURL: ts.URL, |
| } |
| tok, err := conf.TokenSource(context.Background()).Token() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !tok.Valid() { |
| t.Errorf("got invalid token: %v", tok) |
| } |
| if got, want := tok.AccessToken, "90d64460d14870c08c81352a05dedd3465940a7c"; got != want { |
| t.Errorf("access token = %q; want %q", got, want) |
| } |
| if got, want := tok.TokenType, "bearer"; got != want { |
| t.Errorf("token type = %q; want %q", got, want) |
| } |
| if got := tok.Expiry.IsZero(); got { |
| t.Errorf("token expiry = %v, want none", got) |
| } |
| scope := tok.Extra("scope") |
| if got, want := scope, "user"; got != want { |
| t.Errorf("scope = %q; want %q", got, want) |
| } |
| } |
| |
| func TestJWTFetch_BadResponse(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| w.Header().Set("Content-Type", "application/json") |
| w.Write([]byte(`{"scope": "user", "token_type": "bearer"}`)) |
| })) |
| defer ts.Close() |
| |
| conf := &Config{ |
| Email: "aaa@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| TokenURL: ts.URL, |
| } |
| tok, err := conf.TokenSource(context.Background()).Token() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if tok == nil { |
| t.Fatalf("got nil token; want token") |
| } |
| if tok.Valid() { |
| t.Errorf("got invalid token: %v", tok) |
| } |
| if got, want := tok.AccessToken, ""; got != want { |
| t.Errorf("access token = %q; want %q", got, want) |
| } |
| if got, want := tok.TokenType, "bearer"; got != want { |
| t.Errorf("token type = %q; want %q", got, want) |
| } |
| scope := tok.Extra("scope") |
| if got, want := scope, "user"; got != want { |
| t.Errorf("token scope = %q; want %q", got, want) |
| } |
| } |
| |
| func TestJWTFetch_BadResponseType(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| w.Header().Set("Content-Type", "application/json") |
| w.Write([]byte(`{"access_token":123, "scope": "user", "token_type": "bearer"}`)) |
| })) |
| defer ts.Close() |
| conf := &Config{ |
| Email: "aaa@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| TokenURL: ts.URL, |
| } |
| tok, err := conf.TokenSource(context.Background()).Token() |
| if err == nil { |
| t.Error("got a token; expected error") |
| if got, want := tok.AccessToken, ""; got != want { |
| t.Errorf("access token = %q; want %q", got, want) |
| } |
| } |
| } |
| |
| func TestJWTFetch_Assertion(t *testing.T) { |
| var assertion string |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| r.ParseForm() |
| assertion = r.Form.Get("assertion") |
| |
| w.Header().Set("Content-Type", "application/json") |
| w.Write([]byte(`{ |
| "access_token": "90d64460d14870c08c81352a05dedd3465940a7c", |
| "scope": "user", |
| "token_type": "bearer", |
| "expires_in": 3600 |
| }`)) |
| })) |
| defer ts.Close() |
| |
| conf := &Config{ |
| Email: "aaa@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| PrivateKeyID: "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| TokenURL: ts.URL, |
| } |
| |
| _, err := conf.TokenSource(context.Background()).Token() |
| if err != nil { |
| t.Fatalf("Failed to fetch token: %v", err) |
| } |
| |
| parts := strings.Split(assertion, ".") |
| if len(parts) != 3 { |
| t.Fatalf("assertion = %q; want 3 parts", assertion) |
| } |
| gotjson, err := base64.RawURLEncoding.DecodeString(parts[0]) |
| if err != nil { |
| t.Fatalf("invalid token header; err = %v", err) |
| } |
| |
| got := jws.Header{} |
| if err := json.Unmarshal(gotjson, &got); err != nil { |
| t.Errorf("failed to unmarshal json token header = %q; err = %v", gotjson, err) |
| } |
| |
| want := jws.Header{ |
| Algorithm: "RS256", |
| Typ: "JWT", |
| KeyID: "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| } |
| if got != want { |
| t.Errorf("access token header = %q; want %q", got, want) |
| } |
| } |
| |
| func TestJWTFetch_AssertionPayload(t *testing.T) { |
| var assertion string |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| r.ParseForm() |
| assertion = r.Form.Get("assertion") |
| |
| w.Header().Set("Content-Type", "application/json") |
| w.Write([]byte(`{ |
| "access_token": "90d64460d14870c08c81352a05dedd3465940a7c", |
| "scope": "user", |
| "token_type": "bearer", |
| "expires_in": 3600 |
| }`)) |
| })) |
| defer ts.Close() |
| |
| for _, conf := range []*Config{ |
| { |
| Email: "aaa1@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| PrivateKeyID: "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| TokenURL: ts.URL, |
| }, |
| { |
| Email: "aaa2@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| PrivateKeyID: "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| TokenURL: ts.URL, |
| Audience: "https://example.com", |
| }, |
| } { |
| t.Run(conf.Email, func(t *testing.T) { |
| _, err := conf.TokenSource(context.Background()).Token() |
| if err != nil { |
| t.Fatalf("Failed to fetch token: %v", err) |
| } |
| |
| parts := strings.Split(assertion, ".") |
| if len(parts) != 3 { |
| t.Fatalf("assertion = %q; want 3 parts", assertion) |
| } |
| gotjson, err := base64.RawURLEncoding.DecodeString(parts[1]) |
| if err != nil { |
| t.Fatalf("invalid token payload; err = %v", err) |
| } |
| |
| claimSet := jws.ClaimSet{} |
| if err := json.Unmarshal(gotjson, &claimSet); err != nil { |
| t.Errorf("failed to unmarshal json token payload = %q; err = %v", gotjson, err) |
| } |
| |
| if got, want := claimSet.Iss, conf.Email; got != want { |
| t.Errorf("payload email = %q; want %q", got, want) |
| } |
| if got, want := claimSet.Scope, strings.Join(conf.Scopes, " "); got != want { |
| t.Errorf("payload scope = %q; want %q", got, want) |
| } |
| aud := conf.TokenURL |
| if conf.Audience != "" { |
| aud = conf.Audience |
| } |
| if got, want := claimSet.Aud, aud; got != want { |
| t.Errorf("payload audience = %q; want %q", got, want) |
| } |
| if got, want := claimSet.Sub, conf.Subject; got != want { |
| t.Errorf("payload subject = %q; want %q", got, want) |
| } |
| if got, want := claimSet.Prn, conf.Subject; got != want { |
| t.Errorf("payload prn = %q; want %q", got, want) |
| } |
| }) |
| } |
| } |
| |
| func TestTokenRetrieveError(t *testing.T) { |
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| w.Header().Set("Content-type", "application/json") |
| w.WriteHeader(http.StatusBadRequest) |
| w.Write([]byte(`{"error": "invalid_grant"}`)) |
| })) |
| defer ts.Close() |
| |
| conf := &Config{ |
| Email: "aaa@xxx.com", |
| PrivateKey: dummyPrivateKey, |
| TokenURL: ts.URL, |
| } |
| |
| _, err := conf.TokenSource(context.Background()).Token() |
| if err == nil { |
| t.Fatalf("got no error, expected one") |
| } |
| _, ok := err.(*oauth2.RetrieveError) |
| if !ok { |
| t.Fatalf("got %T error, expected *RetrieveError", err) |
| } |
| // Test error string for backwards compatibility |
| expected := fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", "400 Bad Request", `{"error": "invalid_grant"}`) |
| if errStr := err.Error(); errStr != expected { |
| t.Fatalf("got %#v, expected %#v", errStr, expected) |
| } |
| } |