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Java SDK for Hyperledger Fabric. Deprecated as of Fabric v2.5, replaced by org.hyperledger.fabric:fabric-gateway.
/*
* Copyright 2017 DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
*
* 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.hyperledger.fabric_ca.sdk;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.security.KeyPair;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.json.Json;
import javax.json.JsonArrayBuilder;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import javax.json.JsonWriter;
import org.hyperledger.fabric_ca.sdk.exception.InvalidArgumentException;
/**
* An enrollment request is information required to enroll the user with member service.
*/
public class EnrollmentRequest {
// A PEM-encoded string containing the CSR (Certificate Signing Request) based on PKCS #10
private String csr;
// Comma-separated list of host names to associate with the certificate
private Collection hosts = new ArrayList<>();
// Name of the signing profile to use when issuing the certificate
private String profile = null;
// Label used in HSM operations
private String label = null;
// Key pair for generating certification request
private KeyPair keypair = null;
// The Certificate Authority's name
private String caName;
// Attribute requests. added v1.1
private Map attrreqs = null; //new HashMap<>();
/**
* The certificate signing request if it's not supplied it will be generated.
*
* @param csr
*/
public void setCsr(String csr) {
this.csr = csr;
}
// Constructor
public EnrollmentRequest() {
}
String getCsr() {
return csr;
}
/**
* EnrollmentRequest All the fields are optional
*
* @param profile
* @param label
* @param keypair Keypair used to sign or create the certificate if needed.
*/
public EnrollmentRequest(String profile, String label, KeyPair keypair) {
this.profile = profile;
this.label = label;
this.keypair = keypair;
}
KeyPair getKeyPair() {
return keypair;
}
/**
* The Key pair to create the signing certificate if not supplied it will be generated.
*
* @param keypair
*/
public void setKeyPair(KeyPair keypair) {
this.keypair = keypair;
}
void setCSR(String csr) {
this.csr = csr;
}
void setCAName(String caName) {
this.caName = caName;
}
public String getProfile() {
return profile;
}
public void setProfile(String profile) {
this.profile = profile;
}
public String getLabel() {
return label;
}
public void setLabel(String label) {
this.label = label;
}
public Collection getHosts() {
return new ArrayList<>(hosts);
}
public void addHost(String host) {
this.hosts.add(host);
}
// Convert the enrollment request to a JSON string
String toJson() {
StringWriter stringWriter = new StringWriter();
JsonWriter jsonWriter = Json.createWriter(new PrintWriter(stringWriter));
jsonWriter.writeObject(toJsonObject());
jsonWriter.close();
return stringWriter.toString();
}
// Convert the enrollment request to a JSON object
private JsonObject toJsonObject() {
JsonObjectBuilder factory = Json.createObjectBuilder();
if (profile != null) {
factory.add("profile", profile);
}
if (!hosts.isEmpty()) {
JsonArrayBuilder ab = Json.createArrayBuilder();
for (String host : hosts) {
ab.add(host);
}
factory.add("hosts", ab.build());
}
if (label != null) {
factory.add("label", label);
}
if (caName != null) {
factory.add(HFCAClient.FABRIC_CA_REQPROP, caName);
}
factory.add("certificate_request", csr);
if (attrreqs != null) {
JsonArrayBuilder ab = Json.createArrayBuilder();
for (AttrReq attrReq : attrreqs.values()) {
JsonObjectBuilder i = Json.createObjectBuilder();
i.add("name", attrReq.name);
if (attrReq.optional != null) {
i.add("optional", attrReq.optional);
}
ab.add(i);
}
factory.add("attr_reqs", ab.build());
}
return factory.build();
}
/**
* Add attribute request to ensure no attributes are in the certificate - not even default ones.
*
* @throws InvalidArgumentException
*/
public void addAttrReq() throws InvalidArgumentException {
if (attrreqs != null && !attrreqs.isEmpty()) {
throw new InvalidArgumentException("Attributes have already been defined.");
}
attrreqs = new HashMap<>();
}
/**
* Add attribute to certificate.
*
* @param name Name of attribute.
* @return Attribute added.
* @throws InvalidArgumentException
*/
public AttrReq addAttrReq(String name) throws InvalidArgumentException {
if (name == null || name.isEmpty()) {
throw new InvalidArgumentException("name may not be null or empty.");
}
return new AttrReq(name);
}
public class AttrReq {
final String name;
Boolean optional = null;
AttrReq(String name) {
this.name = name;
if (attrreqs == null) {
attrreqs = new HashMap<>();
}
attrreqs.put(name, this);
}
public AttrReq setOptional(boolean optional) {
this.optional = optional;
return this;
}
}
}