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// Package testuril helps setting up required data for testing,
// such as tokens, claims and verifiers.
package testutil
import (
"context"
"encoding/json"
"errors"
"time"
jose "github.com/go-jose/go-jose/v4"
"github.com/muhlemmer/gu"
"github.com/zitadel/oidc/v3/pkg/oidc"
)
// KeySet implements oidc.Keys
type KeySet struct{}
// VerifySignature implments op.KeySet.
func (KeySet) VerifySignature(ctx context.Context, jws *jose.JSONWebSignature) (payload []byte, err error) {
if err = ctx.Err(); err != nil {
return nil, err
}
return jws.Verify(WebKey.Public())
}
// use a reproducible signing key
const webkeyJSON = `{"kty":"RSA","kid":"1","alg":"PS512","n":"x6JoG8t2Li68JSwPwnh51TvHYFf3z72tQ3wmJG3VosU6MdJF0gSTCIwflOJ38OWE6hYtN1WAeyBy2CYdnXd1QZzkK_apGK4M7hsNA9jCTg8NOZjLPL0ww1jp7313Skla7mbm90uNdg4TUNp2n_r-sCYywI-9cfSlhzLSksxKK_BRdzy6xW20daAcI-mErQXIcvdYIguunJk_uTb8kJedsWMcQ4Mb57QujUok2Z2YabWyb9Fi1_StixXJvd_WEu93SHNMORB0u6ymnO3aZJdATLdhtcP-qsVicQhffpqVazmZQPf7K-7n4I5vJE4g9XXzZ2dSKSp3Ewe_nna_2kvbCw","e":"AQAB","d":"sl3F_QeF2O-CxQegMRYpbL6Tfd47GM6VDxXOkn_cACmNvFPudB4ILPvdf830cjTv06Lq1WS8fcZZNgygK0A_cNc3-pvRK67e-KMMtuIlgU7rdwmwlN1Iw1Ee-w6z1ZjC-PzR4iQMCW28DmKS2I-OnV4TvH7xOe7nMmvTPrvujV__YKfUxvAWXJG7_wtaJBGplezn5nNsKG2Ot9h0mhMdYUgGC36wLxo3Q5d4m79EXQYdhm89EfxogwvMmHRes5PNpHRuDZRHGAI4RZi2KvgmqF07e1Qdq4TqbQnY5pCYrdjqvEFFjGC6jTE-ak_b21FcSVy-9aZHyf04U4g5-cIUEQ","p":"7AaicFryJCHRekdSkx8tfPxaSiyEuN8jhP9cLqs4rLkIbrSHmanPhjnLe-Tlh3icQ8hPoy6WC8ktLwsrzbfGIh4U_zgAfvtD1Y_lZM-YSWZsxqlrGiI5do11iVzzoy4a1XdkgOjHQz9y6J-uoA9jY8ILG7VaEZQnaYwWZV3cspk","q":"2Ide9hlwthXJQJYqI0mibM5BiGBxJ4CafPmF1DYNXggBCczZ6ERGReNTGM_AEhy5mvLXUH6uBSOJlfHTYzx49C1GgIO3hEWVEGAKAytVRL6RfAkVSOXMQUp-HjXKpGg_Nx1SJxQf3rulbW8HXO4KqIlloyIXpPQSK7jB8A4hJUM","dp":"1nmc6F4sRNsaQHRJO_mL21RxM4_KtzfFThjCCoJ6iLHHUNnpkp_1PTKNjrLMRFM8JHgErfMqU-FmlqYfEtvZRq1xRQ39nWX0GT-eIwJljuVtGQVglqnc77bRxJXbqz-9EJdik6VzVM92Op7IDxiMp1zvvSkJhInNWqL6wvgNEZk","dq":"dlHizlAwiw90ndpwxD-khhhfLwqkSpW31br0KnYu78cn6hcKrCVC0UXbTp-XsU4JDmbMyauvpBc7Q7iVbpDI94UWFXvkeF8diYkxb3HqclpAXasI-oC4EKWILTHvvc9JW_Clx7zzfV7Ekvws5dcd8-LAq1gh232TwFiBgY_3BMk","qi":"E1k_9W3odXgcmIP2PCJztE7hB7jeuAL1ElAY88VJBBPY670uwOEjKL2VfQuz9q9IjzLAvcgf7vS9blw2RHP_XqHqSOlJWGwvMQTF0Q8zLknCgKt8q7HQQNWIJcBZ8qdUVn02-qf4E3tgZ3JHaHNs8imA_L-__WoUmzC4z5jH_lM"}`
const SignatureAlgorithm = jose.RS256
var (
WebKey jose.JSONWebKey
Signer jose.Signer
)
func init() {
err := json.Unmarshal([]byte(webkeyJSON), &WebKey)
if err != nil {
panic(err)
}
Signer, err = jose.NewSigner(jose.SigningKey{Algorithm: SignatureAlgorithm, Key: WebKey}, nil)
if err != nil {
panic(err)
}
}
type JWTProfileKeyStorage struct{}
func (JWTProfileKeyStorage) GetKeyByIDAndClientID(ctx context.Context, keyID string, clientID string) (*jose.JSONWebKey, error) {
if err := ctx.Err(); err != nil {
return nil, err
}
return gu.Ptr(WebKey.Public()), nil
}
func signEncodeTokenClaims(claims any) string {
payload, err := json.Marshal(claims)
if err != nil {
panic(err)
}
object, err := Signer.Sign(payload)
if err != nil {
panic(err)
}
token, err := object.CompactSerialize()
if err != nil {
panic(err)
}
return token
}
func claimsMap(claims any) map[string]any {
data, err := json.Marshal(claims)
if err != nil {
panic(err)
}
dst := make(map[string]any)
if err = json.Unmarshal(data, &dst); err != nil {
panic(err)
}
return dst
}
func NewIDTokenCustom(issuer, subject string, audience []string, expiration, authTime time.Time, nonce string, acr string, amr []string, clientID string, skew time.Duration, atHash string, custom map[string]any) (string, *oidc.IDTokenClaims) {
claims := oidc.NewIDTokenClaims(issuer, subject, audience, expiration, authTime, nonce, acr, amr, clientID, skew)
claims.AccessTokenHash = atHash
claims.Claims = custom
token := signEncodeTokenClaims(claims)
// set this so that assertion in tests will work
claims.SignatureAlg = SignatureAlgorithm
claims.Claims = claimsMap(claims)
return token, claims
}
// NewIDToken creates a new IDTokenClaims with passed data and returns a signed token and claims.
func NewIDToken(issuer, subject string, audience []string, expiration, authTime time.Time, nonce string, acr string, amr []string, clientID string, skew time.Duration, atHash string) (string, *oidc.IDTokenClaims) {
return NewIDTokenCustom(issuer, subject, audience, expiration, authTime, nonce, acr, amr, clientID, skew, atHash, nil)
}
func NewAccessTokenCustom(issuer, subject string, audience []string, expiration time.Time, jwtid, clientID string, skew time.Duration, custom map[string]any) (string, *oidc.AccessTokenClaims) {
claims := oidc.NewAccessTokenClaims(issuer, subject, audience, expiration, jwtid, clientID, skew)
claims.Claims = custom
token := signEncodeTokenClaims(claims)
// set this so that assertion in tests will work
claims.SignatureAlg = SignatureAlgorithm
claims.Claims = claimsMap(claims)
return token, claims
}
// NewAcccessToken creates a new AccessTokenClaims with passed data and returns a signed token and claims.
func NewAccessToken(issuer, subject string, audience []string, expiration time.Time, jwtid, clientID string, skew time.Duration) (string, *oidc.AccessTokenClaims) {
return NewAccessTokenCustom(issuer, subject, audience, expiration, jwtid, clientID, skew, nil)
}
func NewJWTProfileAssertion(issuer, clientID string, audience []string, issuedAt, expiration time.Time) (string, *oidc.JWTTokenRequest) {
req := &oidc.JWTTokenRequest{
Issuer: issuer,
Subject: clientID,
Audience: audience,
ExpiresAt: oidc.FromTime(expiration),
IssuedAt: oidc.FromTime(issuedAt),
}
// make sure the private claim map is set correctly
data, err := json.Marshal(req)
if err != nil {
panic(err)
}
if err = json.Unmarshal(data, req); err != nil {
panic(err)
}
return signEncodeTokenClaims(req), req
}
const InvalidSignatureToken = `eyJhbGciOiJQUzUxMiJ9.eyJpc3MiOiJsb2NhbC5jb20iLCJzdWIiOiJ0aW1AbG9jYWwuY29tIiwiYXVkIjpbInVuaXQiLCJ0ZXN0IiwiNTU1NjY2Il0sImV4cCI6MTY3Nzg0MDQzMSwiaWF0IjoxNjc3ODQwMzcwLCJhdXRoX3RpbWUiOjE2Nzc4NDAzMTAsIm5vbmNlIjoiMTIzNDUiLCJhY3IiOiJzb21ldGhpbmciLCJhbXIiOlsiZm9vIiwiYmFyIl0sImF6cCI6IjU1NTY2NiJ9.DtZmvVkuE4Hw48ijBMhRJbxEWCr_WEYuPQBMY73J9TP6MmfeNFkjVJf4nh4omjB9gVLnQ-xhEkNOe62FS5P0BB2VOxPuHZUj34dNspCgG3h98fGxyiMb5vlIYAHDF9T-w_LntlYItohv63MmdYR-hPpAqjXE7KOfErf-wUDGE9R3bfiQ4HpTdyFJB1nsToYrZ9lhP2mzjTCTs58ckZfQ28DFHn_lfHWpR4rJBgvLx7IH4rMrUayr09Ap-PxQLbv0lYMtmgG1z3JK8MXnuYR0UJdZnEIezOzUTlThhCXB-nvuAXYjYxZZTR0FtlgZUHhIpYK0V2abf_Q_Or36akNCUg`
// These variables always result in a valid token
var (
ValidIssuer = "local.com"
ValidSubject = "tim@local.com"
ValidAudience = []string{"unit", "test"}
ValidAuthTime = time.Now().Add(-time.Minute) // authtime is always 1 minute in the past
ValidExpiration = ValidAuthTime.Add(2 * time.Minute) // token is always 1 more minute available
ValidJWTID = "9876"
ValidNonce = "12345"
ValidACR = "something"
ValidAMR = []string{"foo", "bar"}
ValidClientID = "555666"
ValidSkew = time.Second
)
// ValidIDToken returns a token and claims that are in the token.
// It uses the Valid* global variables and the token will always
// pass verification.
func ValidIDToken() (string, *oidc.IDTokenClaims) {
return NewIDToken(ValidIssuer, ValidSubject, ValidAudience, ValidExpiration, ValidAuthTime, ValidNonce, ValidACR, ValidAMR, ValidClientID, ValidSkew, "")
}
// ValidAccessToken returns a token and claims that are in the token.
// It uses the Valid* global variables and the token always passes
// verification within the same test run.
func ValidAccessToken() (string, *oidc.AccessTokenClaims) {
return NewAccessToken(ValidIssuer, ValidSubject, ValidAudience, ValidExpiration, ValidJWTID, ValidClientID, ValidSkew)
}
func ValidJWTProfileAssertion() (string, *oidc.JWTTokenRequest) {
return NewJWTProfileAssertion(ValidClientID, ValidClientID, []string{ValidIssuer}, time.Now(), ValidExpiration)
}
// ACRVerify is a oidc.ACRVerifier func.
func ACRVerify(acr string) error {
if acr != ValidACR {
return errors.New("invalid acr")
}
return nil
}
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