feat: add components

components/component-jose.js

@@ -0,0 +1,51 @@
+
+$ONCE('component-jose-requireJARS').run(() => {
+    requireJAR('jose4j-0.5.5.jar');
+    requireJAR('slf4j-api-1.7.21.jar');
+});
+
+var JsonWebKey = Packages.org.jose4j.jwk.JsonWebKey;
+var JsonWebEncryption = Packages.org.jose4j.jwe.JsonWebEncryption;
+var AlgorithmConstraints = Packages.org.jose4j.jwa.AlgorithmConstraints;
+var ConstraintType = Packages.org.jose4j.jwa.AlgorithmConstraints.ConstraintType;
+var KeyManagementAlgorithmIdentifiers = Packages.org.jose4j.jwe.KeyManagementAlgorithmIdentifiers;
+var ContentEncryptionAlgorithmIdentifiers = Packages.org.jose4j.jwe.ContentEncryptionAlgorithmIdentifiers;
+
+var jwkLoad = (jwkJSONString) => {
+    return JsonWebKey.Factory.newJwk(jwkJSONString);
+}
+
+var jweEnc = (jwk, txt) => {
+    var jwe = new JsonWebEncryption();
+    jwe.setPlaintext(txt);
+    jwe.setAlgorithmHeaderValue(KeyManagementAlgorithmIdentifiers.DIRECT);
+    jwe.setEncryptionMethodHeaderParameter(ContentEncryptionAlgorithmIdentifiers.AES_128_GCM);
+    jwe.setKey(jwk.getKey());
+    return jwe.getCompactSerialization();
+};
+
+var jweDec = (jwk, compactSerialization) => {
+    var jwe = new JsonWebEncryption();
+    var algConstraints = new AlgorithmConstraints(ConstraintType.WHITELIST, KeyManagementAlgorithmIdentifiers.DIRECT);
+    jwe.setAlgorithmConstraints(algConstraints);
+    var encConstraints = new AlgorithmConstraints(ConstraintType.WHITELIST, ContentEncryptionAlgorithmIdentifiers.AES_128_GCM);
+    jwe.setContentEncryptionAlgorithmConstraints(encConstraints);
+    jwe.setCompactSerialization(compactSerialization);
+    jwe.setKey(jwk.getKey());
+    return receiverJwe.getPlaintextString();
+};
+
+var jwk = {
+    "load": jwkLoad
+};
+var jwe = {
+    "enc": jweEnc,
+    "dec": jweDec
+};
+
+
+if (typeof exports == 'object') {
+    exports.jwk = jwk;
+    exports.jwe = jwe;
+}
+