com.sap.ipe.ble.remotehandler.authentication.CustomAuthenticationInfoProvider Maven / Gradle / Ivy

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Remote Handler

There is a newer version: 1.0.3

package com.sap.ipe.ble.remotehandler.authentication;

import com.sap.cds.services.authentication.AuthenticationInfo;
import com.sap.cds.services.authentication.JwtTokenAuthenticationInfo;
import com.sap.cds.services.impl.request.RequestContextImpl;
import com.sap.cds.services.request.RequestContext;
import com.sap.cds.services.runtime.AuthenticationInfoProvider;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;


/***
 * The CustomAuthenticationInfoProvider provides the AuthenticationInfo based on the RequestContext
 */
@Component
@Order(value = Ordered.LOWEST_PRECEDENCE - 1000)
public class CustomAuthenticationInfoProvider implements AuthenticationInfoProvider {

    private AuthenticationInfoProvider defaultProvider;
    private final ThreadLocal jwt = new ThreadLocal<>();

    /***
     * Set the user-claim credentials
     * @param accessToken user-claim credentials
     */
    public void setJwt(String accessToken) {
        jwt.set(accessToken);
    }

    /***
     * Removes the user-claim credentials
     */
    public void removeJwt() {
        jwt.remove();
    }

    /***
     * Returns the AuthenticationInfo based on the RequestContext
     * @return Returns the AuthenticationInfo based on the RequestContext
     */
    @Override
    public AuthenticationInfo get() {

        RequestContext parentRequestContext = RequestContextImpl.getCurrentInternal();
        if(parentRequestContext == null) {
            return defaultProvider.get();
        } else {
            return new JwtTokenAuthenticationInfo(jwt.get());
        }
    }

    /***
     * Set the previously registered provider
     * @param prev Set the previously registered provider.
     */
    @Override
    public void setPrevious(AuthenticationInfoProvider prev) {
        this.defaultProvider = prev;
    }
}