| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package com.google.crypto.tink.jwt; |
| |
| import com.google.errorprone.annotations.Immutable; |
| import java.security.GeneralSecurityException; |
| import java.util.Optional; |
| |
| /** |
| * Interface for verifying a signed JWT, as described in RFC 7519 and RFC 7515. |
| * |
| * <h3>Security guarantees: similar to {@link com.google.crypto.tink.PublicKeyVerify}.</h3> |
| */ |
| @Immutable |
| public interface JwtPublicKeyVerifyInternal { |
| /** |
| * Verifies and decodes a JWT in the JWS compact serialization format. |
| * |
| * <p>The JWT is validated against the rules in {@code validator}. That is, every claim in {@code |
| * validator} must also be present in the JWT. For example, if {@code validator} contains an |
| * {@code iss} claim, the JWT must contain an identical claim. The JWT can contain claims that are |
| * {@code NOT} in the {@code validator}. However, if the JWT contains a list of audiences, the |
| * validator must also contain an audience in the list. |
| * |
| * <p>If the JWT contains timestamp claims such as {@code exp}, {@code iat} or {@code nbf}, they |
| * will also be validated. {@code validator} allows to set a clock skew, to deal with small clock |
| * differences among different machines. |
| * |
| * <p>Additionally, it verifies that the correct kid header is present if a kid is provided. |
| * |
| * @throws GeneralSecurityException when the signature of the token could not be verified, the |
| * token contains an invalid claim or header, the token has been expired or can't be used yet |
| */ |
| VerifiedJwt verifyAndDecodeWithKid(String compact, JwtValidator validator, Optional<String> kid) |
| throws GeneralSecurityException; |
| } |