package org.multibit.mbm.client.interfaces.rest.handlers.user;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.theoryinpractise.halbuilder.api.ReadableRepresentation;
import org.multibit.mbm.client.HalHmacResourceFactory;
import org.multibit.mbm.client.interfaces.rest.handlers.BaseHandler;
import org.multibit.mbm.client.interfaces.rest.api.hal.HalMediaType;
import org.multibit.mbm.client.interfaces.rest.api.user.CustomerUserDto;
import org.multibit.mbm.client.interfaces.rest.api.user.UserDto;
import org.multibit.mbm.client.interfaces.rest.api.user.WebFormAuthenticationDto;
import org.multibit.mbm.client.interfaces.rest.auth.Authority;
import org.multibit.mbm.client.interfaces.rest.auth.webform.WebFormClientCredentials;
import java.util.Locale;
import java.util.Map;
/**
* <p>Handler to provide the following to {@link org.multibit.mbm.client.SupplierMerchantClient}:</p>
* <ul>
* <li>Construction of supplier user requests</li>
* </ul>
*
* @since 0.0.1
*
*/
public class SupplierUserHandler extends BaseHandler {
/**
* @param locale The locale providing i18n information
*/
public SupplierUserHandler(Locale locale) {
super(locale);
}
/**
* Retrieve the user's own profile
*
* @param credentials The web form credentials provided by the user
*
* @return A matching {@link org.multibit.mbm.client.interfaces.rest.api.item.ItemDto}
*/
public Optional<UserDto> authenticateWithWebForm(WebFormClientCredentials credentials) {
// Sanity check
Preconditions.checkNotNull(credentials);
Preconditions.checkNotNull(credentials.getUsername());
Preconditions.checkNotNull(credentials.getPasswordDigest());
WebFormAuthenticationDto entity = new WebFormAuthenticationDto(
credentials.getUsername(),
credentials.getPasswordDigest()
);
// TODO Replace "magic string" with auto-discover based on link rel
String path = String.format("/client/user/authenticate");
String hal = HalHmacResourceFactory.INSTANCE
.newClientResource(locale, path)
.entity(entity, HalMediaType.APPLICATION_JSON_TYPE)
.post(String.class);
// Read the HAL
ReadableRepresentation rr = unmarshalHal(hal);
Map<String, Object> properties = rr.getProperties();
UserDto clientUser = new UserDto();
String apiKey = (String) properties.get("api_key");
String secretKey = (String) properties.get("secret_key");
if ("".equals(apiKey) || "".equals(secretKey)) {
return Optional.absent();
}
// Must assume that the authentication was successful
// Using the credentials later would mean failed authentication anyway
clientUser.setApiKey(apiKey);
clientUser.setSecretKey(secretKey);
clientUser.setCachedAuthorities(new Authority[] {Authority.ROLE_CUSTOMER});
return Optional.of(clientUser);
}
/**
* Retrieve the user's own profile
*
* @param clientUser The ClientUser containing the API access information
*
* @return A matching {@link org.multibit.mbm.client.interfaces.rest.api.item.ItemDto}
*/
public Optional<CustomerUserDto> retrieveProfile(UserDto clientUser) {
// Sanity check
Preconditions.checkNotNull(clientUser);
Preconditions.checkNotNull(clientUser.getApiKey());
Preconditions.checkNotNull(clientUser.getSecretKey());
// TODO Replace "magic string" with auto-discover based on link rel
String path = String.format("/users");
String hal = HalHmacResourceFactory.INSTANCE
.newUserResource(locale, path, clientUser)
.get(String.class);
// Read the HAL
ReadableRepresentation rr = unmarshalHal(hal);
Map<String, Object> properties = rr.getProperties();
CustomerUserDto customerUser = new CustomerUserDto();
// Mandatory properties (will cause IllegalStateException if not present)
// Optional direct properties
// Optional properties
for (Map.Entry<String, Object> entry : properties.entrySet()) {
customerUser.getOptionalProperties().put(entry.getKey(), (String) entry.getValue());
}
return Optional.of(customerUser);
}
}