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feat(encryption): allow custom loading of JWK sets #214

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Merged
merged 2 commits into from
Jul 4, 2024
Merged

feat(encryption): allow custom loading of JWK sets #214

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feat(encryption): allow custom loading of JWK sets
sp00m May 21, 2024
e9c6919
docs
sp00m May 22, 2024
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24 changes: 19 additions & 5 deletions src/main/java/com/hyperwallet/clientsdk/util/HyperwalletEncryption.java
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Original file line number Diff line number Diff line change
Expand Up @@ -106,8 +106,8 @@ public HyperwalletEncryption(JWEAlgorithm encryptionAlgorithm, JWSAlgorithm sign

public String encrypt(String body) throws JOSEException, IOException, ParseException {

JWK clientPrivateKey = getKeyByAlgorithm(loadKeySet(clientPrivateKeySetLocation), signAlgorithm);
JWK hyperwalletPublicKey = getKeyByAlgorithm(loadKeySet(hyperwalletKeySetLocation), encryptionAlgorithm);
JWK clientPrivateKey = getKeyByAlgorithm(loadClientPrivateKeySet(), signAlgorithm);
JWK hyperwalletPublicKey = getKeyByAlgorithm(loadHyperwalletKeySet(), encryptionAlgorithm);
JWSSigner jwsSigner = getJWSSigner(clientPrivateKey);
JWEEncrypter jweEncrypter = getJWEEncrypter(hyperwalletPublicKey);

Expand All @@ -132,8 +132,8 @@ public String encrypt(String body) throws JOSEException, IOException, ParseExcep

public String decrypt(String body) throws ParseException, IOException, JOSEException {

JWK privateKeyToDecrypt = getKeyByAlgorithm(loadKeySet(clientPrivateKeySetLocation), encryptionAlgorithm);
JWK publicKeyToSign = getKeyByAlgorithm(loadKeySet(hyperwalletKeySetLocation), signAlgorithm);
JWK privateKeyToDecrypt = getKeyByAlgorithm(loadClientPrivateKeySet(), encryptionAlgorithm);
JWK publicKeyToSign = getKeyByAlgorithm(loadHyperwalletKeySet(), signAlgorithm);
JWEDecrypter jweDecrypter = getJWEDecrypter(privateKeyToDecrypt);
JWSVerifier jwsVerifier = getJWSVerifier(publicKeyToSign);

Expand All @@ -148,6 +148,20 @@ public String decrypt(String body) throws ParseException, IOException, JOSEExcep
return jwsObject.getPayload().toString();
}

/**
* Allows clients to implement a custom loading of their private JWK set.
*/
protected JWKSet loadClientPrivateKeySet() throws IOException, ParseException {
return loadKeySet(clientPrivateKeySetLocation);
}

/**
* Allows clients to implement a custom loading of Hyperwallet public JWK set.
*/
protected JWKSet loadHyperwalletKeySet() throws IOException, ParseException {
return loadKeySet(hyperwalletKeySetLocation);
}

public void verifySignatureExpirationDate(Object signatureExpirationDate) {
if (signatureExpirationDate == null) {
throw new HyperwalletException("exp JWS header param was null");
Expand Down Expand Up @@ -389,4 +403,4 @@ public HyperwalletEncryption build() {
return hyperwalletEncryption;
}
}
}
}