This documentation is for WSO2 Identity Server 5.6.0. View documentation for the latest release.
Writing an Outbound Provisioning Connector - WSO2 Identity Server 5.6.0 - WSO2 Documentation

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In addition to Google, Salesforce, SCIM and SPML, it is possible to create custom connectors. Follow the steps given below to write an outbound provisioning connector.

  1. The following  API is used to configure a custom connector. The connector API can be obtained here.

     Click here to view the API source code.
    /*
     * Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * WSO2 Inc. licenses this file to you 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.wso2.carbon.identity.provisioning;
    
    import org.apache.commons.collections.CollectionUtils;
    import org.apache.commons.lang.StringUtils;
    import org.wso2.carbon.CarbonConstants;
    import org.wso2.carbon.context.PrivilegedCarbonContext;
    import org.wso2.carbon.identity.application.common.model.ClaimMapping;
    import org.wso2.carbon.identity.application.common.model.Property;
    
    import java.io.Serializable;
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    import java.util.UUID;
    
    public abstract class AbstractOutboundProvisioningConnector implements Serializable {
    
        private static final long serialVersionUID = 8619915839101228583 L;
    
        private static final String PROVISIONING_IDP = "IDP";
        private static final String PROVISIONING_TENANT = "TD";
        private static final String PROVISIONING_DOMAIN = "UD";
        private static final String PROVISIONING_USER = "UN";
        protected boolean jitProvisioningEnabled;
    
        /**
         * @param provisioningProperties
         * @throws IdentityProvisioningException
         */
        public abstract void init(Property[] provisioningProperties)
        throws IdentityProvisioningException;
    
        /**
         * @param provisioningEntity
         * @throws IdentityProvisioningException
         */
        public abstract ProvisionedIdentifier provision(ProvisioningEntity provisioningEntity)
        throws IdentityProvisioningException;
    
        /**
         * override only if needed - if claims are controlled by the identity provider, this will return
         * null. If it is connector specific this must return the corresponding claim dialect.
         *
         * @return
         * @throws IdentityProvisioningException
         */
        public String getClaimDialectUri() throws IdentityProvisioningException {
            return null;
        }
    
        /**
         * @return
         * @throws IdentityProvisioningException
         */
        protected boolean isJitProvisioningEnabled() throws IdentityProvisioningException {
            return jitProvisioningEnabled;
        }
    
        /**
         * @param attributeMap
         * @return
         */
        protected List < String > getUserNames(Map < ClaimMapping, List < String >> attributeMap) {
            return ProvisioningUtil.getClaimValues(attributeMap,
                IdentityProvisioningConstants.USERNAME_CLAIM_URI, getUserStoreDomainName());
        }
    
        /**
         * @param attributeMap
         * @return
         */
        protected List < String > getGroupNames(Map < ClaimMapping, List < String >> attributeMap) {
            return ProvisioningUtil.getClaimValues(attributeMap,
                IdentityProvisioningConstants.GROUP_CLAIM_URI, getUserStoreDomainName());
        }
    
        /**
         * @param attributeMap
         * @return
         */
        protected String getPassword(Map < ClaimMapping, List < String >> attributeMap) {
            List < String > claimValue = ProvisioningUtil.getClaimValues(attributeMap,
                IdentityProvisioningConstants.PASSWORD_CLAIM_URI, null);
    
            if (CollectionUtils.isNotEmpty(claimValue) && claimValue.get(0) != null) {
                return claimValue.get(0);
            }
    
            return UUID.randomUUID().toString();
    
        }
    
        /**
         * @param attributeMap
         * @return claimValues
         */
        protected Map < String, String > getSingleValuedClaims(Map < ClaimMapping, List < String >> attributeMap) {
    
            Map < String, String > claimValues = new HashMap < > ();
    
            for (Map.Entry < ClaimMapping, List < String >> entry: attributeMap.entrySet()) {
                ClaimMapping mapping = entry.getKey();
                if (mapping.getRemoteClaim() != null && mapping.getRemoteClaim().getClaimUri() != null) {
                    String claimUri = mapping.getRemoteClaim().getClaimUri();
    
                    if (!(IdentityProvisioningConstants.GROUP_CLAIM_URI.equals(claimUri) ||
                            IdentityProvisioningConstants.PASSWORD_CLAIM_URI.equals(claimUri) || IdentityProvisioningConstants.USERNAME_CLAIM_URI
                            .equals(claimUri))) {
                        if (entry.getValue() != null && entry.getValue().get(0) != null) {
                            claimValues.put(claimUri, entry.getValue().get(0));
                        } else {
                            claimValues.put(claimUri, mapping.getDefaultValue());
                        }
                    }
                }
            }
    
            return claimValues;
        }
    
        /**
         * @return
         */
        protected String getUserStoreDomainName() {
            // return null by default. concrete implementations can override this value whenever
            // required.
            return null;
        }
    
        protected String buildUserId(ProvisioningEntity provisioningEntity, String provisioningPattern,
            String separator, String idpName) throws IdentityProvisioningException {
    
            Map < String, String > provValues = new HashMap < > ();
            String tenantDomain = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain();
            String username = provisioningEntity.getEntityName();
            String userStoreDomain = getDomainFromUserName(username);
    
            if (separator == null) {
                separator = "";
            }
    
            String provIdentifier = "";
            provValues.put(PROVISIONING_TENANT, tenantDomain.replaceAll(separator, ""));
    
            if (username != null) {
                provValues.put(PROVISIONING_USER, removeDomainFromUserName(username));
            }
            provValues.put(PROVISIONING_IDP, idpName.replaceAll(separator, ""));
    
            if (userStoreDomain != null) {
                provValues.put(PROVISIONING_DOMAIN, userStoreDomain.replaceAll(separator, ""));
            }
    
            String[] provisioningEntries = buildProvisioningEntries(provisioningPattern);
    
            for (int i = 0; i < provisioningEntries.length; i++) {
                if (StringUtils.isNotBlank(provisioningEntries[i])) {
                    if (StringUtils.isBlank(provIdentifier)) {
                        provIdentifier = provValues.get(provisioningEntries[i].trim());
                    } else {
                        provIdentifier = provIdentifier.concat(separator).concat(provValues.get(provisioningEntries[i].trim()));
                    }
                }
            }
    
            return provIdentifier.toLowerCase();
        }
    
        private String[] buildProvisioningEntries(String provisioningPattern) throws IdentityProvisioningException {
    
            if (!provisioningPattern.contains("{") || !provisioningPattern.contains("}")) {
                throw new IdentityProvisioningException("Invalid Provisioning Pattern");
            }
    
            String provisioningPatternWithoutCurlBrace = provisioningPattern.replaceAll("\\{", "").replaceAll("\\}", "");
            return provisioningPatternWithoutCurlBrace.split(",");
        }
    
        private String getDomainFromUserName(String username) {
            int index;
            if ((index = username.indexOf("/")) > 0) {
                String domain = username.substring(0, index);
                return domain;
            }
            return "PRIMARY";
        }
    
        private String removeDomainFromUserName(String username) {
            int index;
            if ((index = username.indexOf(CarbonConstants.DOMAIN_SEPARATOR)) >= 0) {
                // remove domain name if exist
                username = username.substring(index + 1);
            }
            return username;
        }
    
    }
  2. The Google provisioning connector that uses the API given above can be found here. Using this as an example, you can customize this code according to your requirements. 

To ensure that the connector works, check whether the following configurations are added in the pom.xml file (found in the above connector API link) inside the <project> tags.

<dependency>
	<groupId>org.wso2.carbon</groupId>
	<artifactId>org.wso2.carbon.identity.provisioning</artifactId>
	<version>5.11.256</version>
</dependency>
<repositories>    
	<repository>
        <id>wso2-nexus</id>
        <name>WSO2 internal Repository</name>
        <url>http://maven.wso2.org/nexus/content/groups/wso2-public/</url>
        <releases>
            <enabled>true</enabled>
            <updatePolicy>daily</updatePolicy>
            <checksumPolicy>ignore</checksumPolicy>
        </releases>
    </repository>
    <repository>
        <id>wso2.releases</id>
        <name>WSO2 internal Repository</name>
        <url>http://maven.wso2.org/nexus/content/repositories/releases/</url>
        <releases>
            <enabled>true</enabled>
            <updatePolicy>daily</updatePolicy>
            <checksumPolicy>ignore</checksumPolicy>
        </releases>
    </repository>
</repositories>


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