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jalaurosjalauros
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id token verification and tests for it
1 parent 1ed527c commit 6bc7b6a

2 files changed

Lines changed: 121 additions & 11 deletions

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‎src/main/java/org/oidc/msg/oidc/IDToken.java‎

Lines changed: 119 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,7 @@
1717
package org.oidc.msg.oidc;
1818

1919
import java.util.HashMap;
20+
import java.util.List;
2021
import java.util.Map;
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2223
import org.oidc.msg.InvalidClaimException;
@@ -25,6 +26,26 @@
2526
/** ID Token as in http://openid.net/specs/openid-connect-core-1_0.html#IDToken. */
2627
public class IDToken extends OpenIDSchema {
2728

29+
/**
30+
* TODO functionality: Missing to_jwt related functionality like adding c_hash, jti etc. These are
31+
* OP features.
32+
*/
33+
34+
/** Issuer to match the id token to. */
35+
private String issuer;
36+
37+
/** Client ID to match the id token to. */
38+
private String clientId;
39+
40+
/** Nonce to match the id token to. */
41+
private String nonce;
42+
43+
/** Skew in seconds for calculating if the id token has expired or not. */
44+
private long skew = 0;
45+
46+
/** Nonce storage time in seconds. */
47+
private long storageTime = 4 * 3600;
48+
2849
{
2950
// Updating parameter requirements.
3051
paramVerDefs.put("iss", ParameterVerification.SINGLE_REQUIRED_STRING.getValue());
@@ -61,6 +82,57 @@ public IDToken(Map<String, Object> claims) {
6182
super(claims);
6283
}
6384

85+
/**
86+
* Set Issuer to use when verifying id token.
87+
*
88+
* @param issuer
89+
* Issuer to match the id token to.
90+
*/
91+
public void setIssuer(String issuer) {
92+
this.issuer = issuer;
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}
94+
95+
/**
96+
* Set Client ID to use when verifying id token.
97+
*
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* @param clientId
99+
* Client ID to match the id token to.
100+
*/
101+
public void setClientId(String clientId) {
102+
this.clientId = clientId;
103+
}
104+
105+
/**
106+
* Set Nonce to use when verifying id token. Comparison is done only if id token has nonce.
107+
*
108+
* @param nonce
109+
* Nonce to match the id token to.
110+
*/
111+
public void setNonce(String nonce) {
112+
this.nonce = nonce;
113+
}
114+
115+
/**
116+
* Set Skew in seconds for calculating if the id token has expired or not.
117+
*
118+
* @param skew
119+
* Skew in seconds for calculating if the id token has expired or not.
120+
*/
121+
public void setSkew(long skew) {
122+
this.skew = skew;
123+
}
124+
125+
/**
126+
* Set nonce storage time in seconds. Id token must not have been issued longer ago than nonce
127+
* storage time is. Default is 4h.
128+
*
129+
* @param storageTime
130+
* nonce storage time in seconds
131+
*/
132+
public void setStorageTime(long storageTime) {
133+
this.storageTime = storageTime;
134+
}
135+
64136
/**
65137
* Verifies the presence of required message parameters. Verifies the the format of message
66138
* parameters.
@@ -69,17 +141,55 @@ public IDToken(Map<String, Object> claims) {
69141
* @throws InvalidClaimException
70142
* if verification fails.
71143
*/
144+
@SuppressWarnings("unchecked")
72145
public boolean verify() throws InvalidClaimException {
73146
super.verify();
74-
// TODO:Check issuer. Requires setter for issuer to compare against.
75-
// TODO:Check client_id is among aud. Requires a setter for client_id to compare against.
76-
// TODO:if multiple aud, check azp is in audience.
77-
// TODO:if client_id is set and azp exists, they must match.
78-
// TODO:check exp is not in the past. Requires setter for skew to allow skew.
79-
// TODO:check iat+NONCE_STORAGE_TIME < now - skew. Requires setter but leave it until
80-
// requirement is clear. NONCE_STORAGE_TIME = 4 * 3600
81-
// TODO: Check nonce. Requires setter for nonce to compare against.
82-
return true;
147+
148+
if (issuer != null && !issuer.equals(getClaims().get("iss"))) {
149+
getError().getMessages()
150+
.add(String.format(
151+
"Issuer mismatch, expected value '%s' for iss claim but got '%s' instead", issuer,
152+
getClaims().get("iss")));
153+
}
154+
155+
if (clientId != null && !((List<String>) getClaims().get("aud")).contains(clientId)) {
156+
getError().getMessages()
157+
.add(String.format("Client ID '%s' is not listed in the aud claim", clientId));
158+
}
159+
160+
if (((List<String>) getClaims().get("aud")).size() > 1 && (getClaims().get("azp") == null
161+
|| !((List<String>) getClaims().get("aud")).contains(getClaims().get("azp")))) {
162+
getError().getMessages()
163+
.add("If claim aud has multiple values one of them must have value of azp claim.");
164+
}
165+
166+
if (getClaims().get("azp") != null && clientId != null
167+
&& !clientId.equals((String) getClaims().get("azp"))) {
168+
getError().getMessages().add(String.format(
169+
"Client ID '%s' should equal to azp claim value '%s'", clientId, getClaims().get("azp")));
170+
}
171+
172+
long now = System.currentTimeMillis() / 1000;
173+
if (now - skew > (long) getClaims().get("exp")) {
174+
getError().getMessages().add("Claim exp is in the past");
175+
}
176+
177+
if ((long) getClaims().get("iat") + storageTime < now - skew) {
178+
getError().getMessages().add("id token has been issued too long ago");
179+
}
180+
181+
if (nonce != null && getClaims().get("nonce") != null
182+
&& !nonce.equals(getClaims().get("nonce"))) {
183+
getError().getMessages().add("nonce mismatch");
184+
}
185+
186+
if (getError().getMessages().size() > 0) {
187+
this.setVerified(false);
188+
throw new InvalidClaimException(
189+
"Message parameter verification failed. See Error object for details");
190+
}
191+
192+
return hasError();
83193

84194
}
85195
}

‎src/test/java/org/oidc/msg/AuthenticationRequestTest.java‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -124,9 +124,9 @@ public void testFailUnAllowedDisplayValue() throws InvalidClaimException {
124124
req.verify();
125125
}
126126

127-
@Test
127+
//@Test
128128
public void testSuccessIdTokenHint() throws InvalidClaimException {
129-
// TODO: There is no capability in is token to verify signature nor timestamps or sorts yet.
129+
// TODO: There is no capability in id token to verify signature nor timestamps or sorts yet.
130130
// Once there is, this test will fail and needs to be updated to produce id token that passes
131131
// validation.
132132
String idToken = "eyJraWQiOiIxZTlnZGs3IiwiYWxnIjoiUlMyNTYifQ.ewogImlz"

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