oxAuth #989

IdTokenFactory has to fetch public key base on JWE algorithm.

Model/src/main/java/org/xdi/oxauth/model/crypto/signature/AlgorithmFamily.java

@@ -0,0 +1,44 @@
+/*
+ * oxAuth is available under the MIT License (2008). See http://opensource.org/licenses/MIT for full text.
+ *
+ * Copyright (c) 2014, Gluu
+ */
+
+package org.xdi.oxauth.model.crypto.signature;
+
+/**
+ * @author Javier Rojas Blum
+ * @version February 12, 2019
+ */
+public enum AlgorithmFamily {
+    HMAC("HMAC"),
+    RSA("RSA"),
+    EC("EC");
+
+    private final String value;
+
+    AlgorithmFamily(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    @Override
+    public String toString() {
+        return value;
+    }
+
+    public static AlgorithmFamily fromString(String param) {
+        if (param != null) {
+            for (AlgorithmFamily gt : AlgorithmFamily.values()) {
+                if (param.equals(gt.value)) {
+                    return gt;
+                }
+            }
+        }
+
+        return null;
+    }
+}

Model/src/main/java/org/xdi/oxauth/model/jwk/Algorithm.java

@@ -0,0 +1,106 @@
+/*
+ * oxAuth is available under the MIT License (2008). See http://opensource.org/licenses/MIT for full text.
+ *
+ * Copyright (c) 2014, Gluu
+ */
+
+package org.xdi.oxauth.model.jwk;
+
+import org.codehaus.jackson.annotate.JsonCreator;
+import org.codehaus.jackson.annotate.JsonValue;
+import org.xdi.oxauth.model.crypto.signature.AlgorithmFamily;
+import org.xdi.oxauth.model.util.StringUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Identifies the cryptographic algorithm used with the key.
+ *
+ * @author Javier Rojas Blum
+ * @version February 12, 2019
+ */
+public enum Algorithm {
+
+    // Signature
+    RS256("RS256", Use.SIGNATURE, AlgorithmFamily.RSA),
+    RS384("RS384", Use.SIGNATURE, AlgorithmFamily.RSA),
+    RS512("RS512", Use.SIGNATURE, AlgorithmFamily.RSA),
+    ES256("ES256", Use.SIGNATURE, AlgorithmFamily.EC),
+    ES384("ES384", Use.SIGNATURE, AlgorithmFamily.EC),
+    ES512("ES512", Use.SIGNATURE, AlgorithmFamily.EC),
+    PS256("PS256", Use.SIGNATURE, AlgorithmFamily.RSA),
+    PS384("PS384", Use.SIGNATURE, AlgorithmFamily.RSA),
+    PS512("PS512", Use.SIGNATURE, AlgorithmFamily.RSA),
+
+    // Encryption
+    RSA1_5("RSA1_5", Use.ENCRYPTION, AlgorithmFamily.RSA),
+    RSA_OAEP("RSA-OAEP", Use.ENCRYPTION, AlgorithmFamily.RSA);
+
+    private final String paramName;
+    private final Use use;
+    private final AlgorithmFamily family;
+
+    Algorithm(String paramName, Use use, AlgorithmFamily family) {
+        this.paramName = paramName;
+        this.use = use;
+        this.family = family;
+    }
+
+    public String getParamName() {
+        return paramName;
+    }
+
+    public Use getUse() {
+        return use;
+    }
+
+    public AlgorithmFamily getFamily() {
+        return family;
+    }
+
+    /**
+     * Returns the corresponding {@link Algorithm} for a parameter.
+     *
+     * @param param The use parameter.
+     * @return The corresponding algorithm if found, otherwise <code>null</code>.
+     */
+    @JsonCreator
+    public static Algorithm fromString(String param) {
+        if (param != null) {
+            for (Algorithm algorithm : Algorithm.values()) {
+                if (param.equals(algorithm.paramName)) {
+                    return algorithm;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static List<Algorithm> fromString(String[] params, Use use) {
+        List<Algorithm> algorithms = new ArrayList<Algorithm>();
+
+        for (String param : params) {
+            Algorithm algorithm = Algorithm.fromString(param);
+            if (algorithm != null && algorithm.use == use) {
+                algorithms.add(algorithm);
+            } else if (StringUtils.equals("RSA_OAEP", param)) {
+                algorithms.add(RSA_OAEP);
+            }
+        }
+
+        return algorithms;
+    }
+
+
+    /**
+     * Returns a string representation of the object. In this case the parameter name.
+     *
+     * @return The string representation of the object.
+     */
+    @Override
+    @JsonValue
+    public String toString() {
+        return paramName;
+    }
+}