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Write a Secret Callback class. You need to implement the SecretCallbackHandler interface or extend the AbstractSecretCallbackHandler abstract class. For example,

Code Block

	Java
	Java

public class HardCodedSecretCallbackHandler extends AbstractSecretCallbackHandler {
     protected void handleSingleSecretCallback(SingleSecretCallback singleSecretCallback) {
            singleSecretCallback.setSecret("password");
     }
}

We can set multiple password-based as follows:

Code Block

public class HardCodedSecretCallbackHandler extends AbstractSecretCallbackHandler {
    protected void handleSingleSecretCallback(SingleSecretCallback singleSecretCallback) {
         if("foo".equals(singleSecretCallback.getId())){
            singleSecretCallback.setSecret("foo_password");
         } else if("bar".equals(singleSecretCallback.getId())){
            singleSecretCallback.setSecret("bar_password");
           }
   }
}

Create a JAR or an OSGI bundle and copy the JAR file to the <PRODUCT_HOME>/repository/component/lib/ directory or the OSGI bundle to the <PRODUCT_HOME>/repository/component/dropins/ directory.

Configure the master-datasources.xml file with an alias name and your Secret Callback handler class name. For example,

Code Block

	XML
	XML

<datasource>
            <name>WSO2_CARBON_DB</name>
            <description>The datasource used for registry and user manager</description>
            <jndiConfig>
                <name>jdbc/WSO2CarbonDB</name>
            </jndiConfig>
            <definition type="RDBMS">
                <configuration>
 <url>jdbc:h2:repository/database/WSO2CARBON_DB;DB_CLOSE_ON_EXIT=FALSE;LOCK_TIMEOUT=60000</url>
                    <username>wso2carbon</username>
                    <passwordsvns:secretAlias="Datasources.WSO2_CARBON_DB.Configuration.Password">password</password>
                    <driverClassName>org.h2.Driver</driverClassName>
                    <maxActive>50</maxActive>
                    <maxWait>60000</maxWait>
                    <testOnBorrow>true</testOnBorrow>
                    <validationQuery>SELECT 1</validationQuery>
                    <validationInterval>30000</validationInterval>
                </configuration>
            </definition>
        </datasource>

Also, replace the secret callback handler class name in <PRODUCT_HOME>/repository/conf/security/secret-conf.properties file with your Secret Callback handler class name.

Restart the server.

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