package com.github.onsdigital.babbage.api.endpoint.content;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.GET;
import javax.ws.rs.core.Context;

import com.github.davidcarboni.cryptolite.Password;
import com.github.davidcarboni.restolino.framework.Api;
import com.github.onsdigital.babbage.content.client.ContentClient;
import com.github.onsdigital.babbage.content.client.ContentReadException;
import com.github.onsdigital.babbage.content.client.ContentResponse;
import com.github.onsdigital.babbage.error.BabbageException;
import com.github.onsdigital.babbage.error.BadRequestException;
import com.github.onsdigital.logging.v2.event.SimpleEvent;

/**
 * End point for getting the maxAge for the given uri
 */
@Api
public class MaxAge {
    private static final String MAXAGE_KEY_HASH = "e9xUWB/CF33u6jd/f2yOgWIs+ig8P8OIP3VC7c6U1NZHZgpzp6nsXQVLnpIluJv0";

    @GET
    public Object get(@Context HttpServletRequest request, @Context HttpServletResponse response) throws IOException {
        try {
            String key = request.getParameter("key");
            if (verifyKey(key)) {
                return getMaxAge(request);
            } else {
                throw new BadRequestException("Wrong key, make sure you pass in the right key");
            }
        } catch (ContentReadException e) {
            return handleError(response, e.getStatusCode(), e);
        } catch (BabbageException e) {
            response.setStatus(e.getStatusCode());
            return e.getMessage();
        } catch (Throwable t) {
            return handleError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, t);
        }
    }

    private String handleError(@Context HttpServletResponse response, int statusCode, Throwable e) throws IOException {
        SimpleEvent.error().exception(e).log("api " + getApiName() + ": error calculating max age");
        response.setStatus(statusCode);
        return "Failed calculating max age";
    }

    protected boolean verifyKey(String key) {
        return Password.verify(key, MAXAGE_KEY_HASH);
    }

    protected int getMaxAge(HttpServletRequest request) throws Exception {
        String uri = request.getParameter("uri");
        ContentResponse contentResponse = ContentClient.getInstance().getContent(uri);
        return contentResponse.getMaxAge();
    }

    protected String getApiName() {
        return "MaxAge";
    }
}

package com.github.onsdigital.babbage.api.endpoint.content;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.GET;
import javax.ws.rs.core.Context;

import com.github.davidcarboni.cryptolite.Password;
import com.github.davidcarboni.restolino.framework.Api;
import com.github.onsdigital.babbage.content.client.ContentClient;
import com.github.onsdigital.babbage.content.client.ContentReadException;
import com.github.onsdigital.babbage.content.client.ContentResponse;
import com.github.onsdigital.babbage.error.BabbageException;
import com.github.onsdigital.babbage.error.BadRequestException;
import com.github.onsdigital.logging.v2.event.SimpleEvent;

/**
 * End point for getting the maxAge for the given uri
 */
@Api
public class MaxAge {
    private static final String MAXAGE_KEY_HASH = "mPHbKjCol7ObQ87qKVQgHz6kR3nsYJ3WJHgP7+JYyi5rSJbmbDAcQU8EQilFQ6QQ";

    @GET
    public Object get(@Context HttpServletRequest request, @Context HttpServletResponse response) throws IOException {
        try {
            String key = request.getParameter("key");
            if (verifyKey(key)) {
                return getMaxAge(request);
            } else {
                throw new BadRequestException("Wrong key, make sure you pass in the right key");
            }
        } catch (ContentReadException e) {
            return handleError(response, e.getStatusCode(), e);
        } catch (BabbageException e) {
            response.setStatus(e.getStatusCode());
            return e.getMessage();
        } catch (Throwable t) {
            return handleError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, t);
        }
    }

    private String handleError(@Context HttpServletResponse response, int statusCode, Throwable e) throws IOException {
        SimpleEvent.error().exception(e).log("api " + getApiName() + ": error calculating max age");
        response.setStatus(statusCode);
        return "Failed calculating max age";
    }

    protected boolean verifyKey(String key) {
        return Password.verify(key, MAXAGE_KEY_HASH);
    }

    protected int getMaxAge(HttpServletRequest request) throws Exception {
        String uri = request.getParameter("uri");
        ContentResponse contentResponse = ContentClient.getInstance().getContent(uri);
        return contentResponse.getMaxAge();
    }

    protected String getApiName() {
        return "MaxAge";
    }
}

Change max age key