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WildFly Security HTTP OIDC Mechanism Implementation
/*
* JBoss, Home of Professional Open Source.
* Copyright 2021 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.wildfly.security.http.oidc;
import static org.wildfly.security.http.oidc.ElytronMessages.log;
import jakarta.json.Json;
import jakarta.json.JsonArray;
import jakarta.json.JsonArrayBuilder;
import jakarta.json.JsonObject;
import jakarta.json.JsonObjectBuilder;
import jakarta.json.JsonValue;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.jose4j.jwt.JwtClaims;
import org.jose4j.jwt.MalformedClaimException;
import org.wildfly.common.Assert;
/**
* Representation of a JSON Web Token, as per RFC 7519.
*
* @author Farah Juma
*/
public class JsonWebToken {
public static final String EMAIL = "email";
public static final String EXP = "exp";
public static final String FAMILY_NAME = "family_name";
public static final String GIVEN_NAME = "given_name";
public static final String IAT = "iat";
public static final String MIDDLE_NAME = "middle_name";
public static final String NAME = "name";
public static final String NICKNAME = "nickname";
public static final String NBF = "nbf";
public static final String PREFERRED_USERNAME = "preferred_username";
public static final String SUB = "sub";
private final JwtClaims jwtClaims;
/**
* Construct a new instance.
*
* @param jwtClaims the JWT claims for this instance (may not be {@code null})
*/
public JsonWebToken(JwtClaims jwtClaims) {
Assert.checkNotNullParam("jwtClaims", jwtClaims);
this.jwtClaims = jwtClaims;
}
/**
* Get the issuer claim.
*
* @return the issuer claim
* @throws IllegalArgumentException if the issuer claim is malformed
*/
public String getIssuer() {
try {
return jwtClaims.getIssuer();
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the subject claim.
*
* @return the subject claim
* @throws IllegalArgumentException if the subject claim is malformed
*/
public String getSubject() {
try {
return jwtClaims.getSubject();
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the audience claim.
*
* @return the audience claim
* @throws IllegalArgumentException if the audience claim is malformed
*/
public List getAudience() {
try {
return jwtClaims.getAudience();
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the expiration claim.
*
* @return the expiration claim
* @throws IllegalArgumentException if the expiration claim is malformed
*/
public Long getExpiration() {
return getClaimValueAsLong(EXP);
}
/**
* Return whether this JWT is expired.
*
* @return {@code true} if this JWT is expired and {@code false} otherwise
* @throws IllegalArgumentException if the issuer claim is malformed
*/
public boolean isExpired() {
Long expiration = getExpiration();
return expiration != null && expiration != 0 ? getCurrentTimeInSeconds() > expiration : false;
}
/**
* Get the not before claim.
*
* @return the not before claim
* @throws IllegalArgumentException if the not before claim is malformed
*/
public Long getNotBefore() {
return getClaimValueAsLong(NBF);
}
/**
* Return whether the current time is greater than or equal to the value of the
* not before claim.
*
* @return {@code true} if the not before claim is null or if the current time is greater than or equal to the value
* of the not before claim and {@code false} otherwise
* @throws IllegalArgumentException if the not before claim is malformed
*/
public boolean isNotBefore() {
Long notBefore = getNotBefore();
return notBefore != null ? getCurrentTimeInSeconds() >= notBefore : true;
}
/**
* Checks that the token is not expired and isn't prior to the not before time.
*
* @return {@code true} if the token is active and {@code false} otherwise
*/
public boolean isActive() {
return ! isExpired() && isNotBefore();
}
/**
* Get the issued at claim.
*
* @return the issued at claim
* @throws IllegalArgumentException if the issued at claim is malformed
*/
public Long getIssuedAt() {
return getClaimValueAsLong(IAT);
}
/**
* Get the ID claim.
*
* @return the ID claim
* @throws IllegalArgumentException if the ID claim is malformed
*/
public String getID() {
try {
return jwtClaims.getJwtId();
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the claim names.
*
* @return the claim names
*/
public Set getClaimNames() {
return new HashSet<>(jwtClaims.getClaimNames());
}
/**
* Return whether this token has the given claim.
*
* @param claimName the claim name to check
* @return {@code true} if this token has the given claim and {@code false} otherwise
*/
public boolean hasClaim(String claimName) {
Assert.checkNotNullParam("claimName", claimName);
return jwtClaims.hasClaim(claimName);
}
/**
* Get the value of the given claim.
*
* @param claimName the claim to retrieve
* @return the value of the given claim
*/
public Object getClaimValue(String claimName) {
Assert.checkNotNullParam("claimName", claimName);
return jwtClaims.getClaimValue(claimName);
}
/**
* Get the value of the given claim.
*
* @param claimName the claim to retrieve
* @param type the type that should be returned
* @param the type of the value
* @return the value of the given claim
* @throws IllegalArgumentException if the claim is malformed
*/
public T getClaimValue(String claimName, Class type) {
Assert.checkNotNullParam("claimName", claimName);
try {
return jwtClaims.getClaimValue(claimName, type);
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the value of the given claim.
*
* @param claimName the claim to retrieve
* @return the value of the given claim as a string
*/
public String getClaimValueAsString(String claimName) {
Assert.checkNotNullParam("claimName", claimName);
return jwtClaims.getClaimValueAsString(claimName);
}
/**
* Get the value of the given claim as a string list.
*
* @param claimName the claim to retrieve
* @return the value of the given claim as a string list
*/
public List getStringListClaimValue(String claimName) {
Assert.checkNotNullParam("claimName", claimName);
try {
return jwtClaims.getStringListClaimValue(claimName);
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
/**
* Get the name claim.
*
* @return the name claim
*/
public String getName() {
return getClaimValueAsString(NAME);
}
/**
* Get the principal name.
* @param deployment the OIDC client configuration that should be used to determine the principal
* @return the principal name
*/
public String getPrincipalName(OidcClientConfiguration deployment) {
String attr = SUB;
if (deployment.getPrincipalAttribute() != null) {
attr = deployment.getPrincipalAttribute();
}
switch (attr) {
case SUB:
return getSubject();
case EMAIL:
return getEmail();
case PREFERRED_USERNAME:
return getPreferredUsername();
case NAME:
return getName();
case GIVEN_NAME:
return getGivenName();
case FAMILY_NAME:
return getFamilyName();
case NICKNAME:
return getNickName();
default:
return getSubject();
}
}
/**
* Get the given name claim.
*
* @return the given name claim
*/
public String getGivenName() {
return getClaimValueAsString(GIVEN_NAME);
}
/**
* Get the family name claim.
*
* @return the family name claim
*/
public String getFamilyName() {
return getClaimValueAsString(FAMILY_NAME);
}
/**
* Get the middle name claim.
*
* @return the middle name claim
*/
public String getMiddleName() {
return getClaimValueAsString(MIDDLE_NAME);
}
/**
* Get the nick name claim.
*
* @return the nick name claim
*/
public String getNickName() {
return getClaimValueAsString(NICKNAME);
}
/**
* Get the preferred username claim.
*
* @return the preferred username claim
*/
public String getPreferredUsername() {
return getClaimValueAsString(PREFERRED_USERNAME);
}
/**
* Get the email claim.
*
* @return the email claim
*/
public String getEmail() {
return getClaimValueAsString(EMAIL);
}
private static int getCurrentTimeInSeconds() {
return ((int) (System.currentTimeMillis() / 1000));
}
Long getClaimValueAsLong(String claimName) {
try {
Long claimValue = jwtClaims.getClaimValue(claimName, Long.class);
if (claimValue == null) {
claimValue = 0L;
}
return claimValue;
} catch (MalformedClaimException e) {
throw log.invalidTokenClaimValue();
}
}
public static JsonValue wrapValue(Object value) {
JsonValue jsonValue = null;
if (value instanceof JsonValue) {
// This may already be a JsonValue
jsonValue = (JsonValue) value;
} else if (value instanceof String) {
jsonValue = Json.createValue(value.toString());
} else if ((value instanceof Long) || (value instanceof Integer)) {
jsonValue = Json.createValue(((Number) value).longValue());
} else if (value instanceof Number) {
jsonValue = Json.createValue(((Number) value).doubleValue());
} else if (value instanceof Boolean) {
jsonValue = (Boolean) value ? JsonValue.TRUE : JsonValue.FALSE;
} else if (value instanceof Collection) {
jsonValue = toJsonArray((Collection) value);
} else if (value instanceof Map) {
JsonObject entryJsonObject = replaceMap((Map) value);
jsonValue = entryJsonObject;
}
return jsonValue;
}
public static JsonObject replaceMap(Map map) {
JsonObjectBuilder builder = Json.createObjectBuilder();
for (Map.Entry entry : map.entrySet()) {
Object entryValue = entry.getValue();
if (entryValue instanceof Map) {
JsonObject entryJsonObject = replaceMap((Map) entryValue);
builder.add(entry.getKey(), entryJsonObject);
} else if (entryValue instanceof List) {
JsonArray array = (JsonArray) wrapValue(entryValue);
builder.add(entry.getKey(), array);
} else if (entryValue instanceof Long || entryValue instanceof Integer) {
long lvalue = ((Number) entryValue).longValue();
builder.add(entry.getKey(), lvalue);
} else if (entryValue instanceof Double || entryValue instanceof Float) {
double dvalue = ((Number) entryValue).doubleValue();
builder.add(entry.getKey(), dvalue);
} else if (entryValue instanceof Boolean) {
boolean flag = ((Boolean) entryValue).booleanValue();
builder.add(entry.getKey(), flag);
} else if (entryValue instanceof String) {
builder.add(entry.getKey(), entryValue.toString());
}
}
return builder.build();
}
private static JsonArray toJsonArray(Collection collection) {
JsonArrayBuilder arrayBuilder = Json.createArrayBuilder();
for (Object element : collection) {
if (element instanceof String) {
arrayBuilder.add(element.toString());
} else if (element == null) {
arrayBuilder.add(JsonValue.NULL);
} else {
JsonValue jvalue = wrapValue(element);
arrayBuilder.add(jvalue);
}
}
return arrayBuilder.build();
}
}