spring security JwtTimestampValidator 源码
spring security JwtTimestampValidator 代码
文件路径:/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/JwtTimestampValidator.java
/*
* Copyright 2002-2018 the original author or authors.
*
* 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
*
* https://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 org.springframework.security.oauth2.jwt;
import java.time.Clock;
import java.time.Duration;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.oauth2.core.OAuth2Error;
import org.springframework.security.oauth2.core.OAuth2ErrorCodes;
import org.springframework.security.oauth2.core.OAuth2TokenValidator;
import org.springframework.security.oauth2.core.OAuth2TokenValidatorResult;
import org.springframework.util.Assert;
/**
* An implementation of {@link OAuth2TokenValidator} for verifying claims in a Jwt-based
* access token
*
* <p>
* Because clocks can differ between the Jwt source, say the Authorization Server, and its
* destination, say the Resource Server, there is a default clock leeway exercised when
* deciding if the current time is within the Jwt's specified operating window
*
* @author Josh Cummings
* @since 5.1
* @see Jwt
* @see OAuth2TokenValidator
* @see <a target="_blank" href="https://tools.ietf.org/html/rfc7519">JSON Web Token
* (JWT)</a>
*/
public final class JwtTimestampValidator implements OAuth2TokenValidator<Jwt> {
private final Log logger = LogFactory.getLog(getClass());
private static final Duration DEFAULT_MAX_CLOCK_SKEW = Duration.of(60, ChronoUnit.SECONDS);
private final Duration clockSkew;
private Clock clock = Clock.systemUTC();
/**
* A basic instance with no custom verification and the default max clock skew
*/
public JwtTimestampValidator() {
this(DEFAULT_MAX_CLOCK_SKEW);
}
public JwtTimestampValidator(Duration clockSkew) {
Assert.notNull(clockSkew, "clockSkew cannot be null");
this.clockSkew = clockSkew;
}
@Override
public OAuth2TokenValidatorResult validate(Jwt jwt) {
Assert.notNull(jwt, "jwt cannot be null");
Instant expiry = jwt.getExpiresAt();
if (expiry != null) {
if (Instant.now(this.clock).minus(this.clockSkew).isAfter(expiry)) {
OAuth2Error oAuth2Error = createOAuth2Error(String.format("Jwt expired at %s", jwt.getExpiresAt()));
return OAuth2TokenValidatorResult.failure(oAuth2Error);
}
}
Instant notBefore = jwt.getNotBefore();
if (notBefore != null) {
if (Instant.now(this.clock).plus(this.clockSkew).isBefore(notBefore)) {
OAuth2Error oAuth2Error = createOAuth2Error(String.format("Jwt used before %s", jwt.getNotBefore()));
return OAuth2TokenValidatorResult.failure(oAuth2Error);
}
}
return OAuth2TokenValidatorResult.success();
}
private OAuth2Error createOAuth2Error(String reason) {
this.logger.debug(reason);
return new OAuth2Error(OAuth2ErrorCodes.INVALID_TOKEN, reason,
"https://tools.ietf.org/html/rfc6750#section-3.1");
}
/**
* Use this {@link Clock} with {@link Instant#now()} for assessing timestamp validity
* @param clock
*/
public void setClock(Clock clock) {
Assert.notNull(clock, "clock cannot be null");
this.clock = clock;
}
}
相关信息
相关文章
spring security BadJwtException 源码
spring security JoseHeaderNames 源码
spring security JwtClaimAccessor 源码
spring security JwtClaimNames 源码
spring security JwtClaimValidator 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦